diff options
Diffstat (limited to 'servers/rendering/renderer_rd/environment')
| -rw-r--r-- | servers/rendering/renderer_rd/environment/SCsub | 5 | ||||
| -rw-r--r-- | servers/rendering/renderer_rd/environment/fog.cpp | 1212 | ||||
| -rw-r--r-- | servers/rendering/renderer_rd/environment/fog.h | 360 | ||||
| -rw-r--r-- | servers/rendering/renderer_rd/environment/gi.cpp | 4082 | ||||
| -rw-r--r-- | servers/rendering/renderer_rd/environment/gi.h | 827 | ||||
| -rw-r--r-- | servers/rendering/renderer_rd/environment/sky.cpp | 1958 | ||||
| -rw-r--r-- | servers/rendering/renderer_rd/environment/sky.h | 328 |
7 files changed, 8772 insertions, 0 deletions
diff --git a/servers/rendering/renderer_rd/environment/SCsub b/servers/rendering/renderer_rd/environment/SCsub new file mode 100644 index 0000000000..86681f9c74 --- /dev/null +++ b/servers/rendering/renderer_rd/environment/SCsub @@ -0,0 +1,5 @@ +#!/usr/bin/env python + +Import("env") + +env.add_source_files(env.servers_sources, "*.cpp") diff --git a/servers/rendering/renderer_rd/environment/fog.cpp b/servers/rendering/renderer_rd/environment/fog.cpp new file mode 100644 index 0000000000..74082906c4 --- /dev/null +++ b/servers/rendering/renderer_rd/environment/fog.cpp @@ -0,0 +1,1212 @@ +/*************************************************************************/ +/* fog.cpp */ +/*************************************************************************/ +/* This file is part of: */ +/* GODOT ENGINE */ +/* https://godotengine.org */ +/*************************************************************************/ +/* Copyright (c) 2007-2022 Juan Linietsky, Ariel Manzur. */ +/* Copyright (c) 2014-2022 Godot Engine contributors (cf. AUTHORS.md). */ +/* */ +/* Permission is hereby granted, free of charge, to any person obtaining */ +/* a copy of this software and associated documentation files (the */ +/* "Software"), to deal in the Software without restriction, including */ +/* without limitation the rights to use, copy, modify, merge, publish, */ +/* distribute, sublicense, and/or sell copies of the Software, and to */ +/* permit persons to whom the Software is furnished to do so, subject to */ +/* the following conditions: */ +/* */ +/* The above copyright notice and this permission notice shall be */ +/* included in all copies or substantial portions of the Software. */ +/* */ +/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */ +/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */ +/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/ +/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */ +/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */ +/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */ +/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ +/*************************************************************************/ + +#include "fog.h" + +#include "servers/rendering/renderer_rd/renderer_compositor_rd.h" +#include "servers/rendering/renderer_rd/storage_rd/material_storage.h" +#include "servers/rendering/renderer_rd/storage_rd/texture_storage.h" +#include "servers/rendering/rendering_server_default.h" + +using namespace RendererRD; + +Fog *Fog::singleton = nullptr; + +Fog::Fog() { + singleton = this; +} + +Fog::~Fog() { + singleton = nullptr; +} + +/* FOG VOLUMES */ + +RID Fog::fog_volume_allocate() { + return fog_volume_owner.allocate_rid(); +} + +void Fog::fog_volume_initialize(RID p_rid) { + fog_volume_owner.initialize_rid(p_rid, FogVolume()); +} + +void Fog::fog_volume_free(RID p_rid) { + FogVolume *fog_volume = fog_volume_owner.get_or_null(p_rid); + fog_volume->dependency.deleted_notify(p_rid); + fog_volume_owner.free(p_rid); +} + +Dependency *Fog::fog_volume_get_dependency(RID p_fog_volume) const { + FogVolume *fog_volume = fog_volume_owner.get_or_null(p_fog_volume); + ERR_FAIL_NULL_V(fog_volume, nullptr); + + return &fog_volume->dependency; +} + +void Fog::fog_volume_set_shape(RID p_fog_volume, RS::FogVolumeShape p_shape) { + FogVolume *fog_volume = fog_volume_owner.get_or_null(p_fog_volume); + ERR_FAIL_COND(!fog_volume); + + if (p_shape == fog_volume->shape) { + return; + } + + fog_volume->shape = p_shape; + fog_volume->dependency.changed_notify(Dependency::DEPENDENCY_CHANGED_AABB); +} + +void Fog::fog_volume_set_extents(RID p_fog_volume, const Vector3 &p_extents) { + FogVolume *fog_volume = fog_volume_owner.get_or_null(p_fog_volume); + ERR_FAIL_COND(!fog_volume); + + fog_volume->extents = p_extents; + fog_volume->dependency.changed_notify(Dependency::DEPENDENCY_CHANGED_AABB); +} + +void Fog::fog_volume_set_material(RID p_fog_volume, RID p_material) { + FogVolume *fog_volume = fog_volume_owner.get_or_null(p_fog_volume); + ERR_FAIL_COND(!fog_volume); + fog_volume->material = p_material; +} + +RID Fog::fog_volume_get_material(RID p_fog_volume) const { + FogVolume *fog_volume = fog_volume_owner.get_or_null(p_fog_volume); + ERR_FAIL_COND_V(!fog_volume, RID()); + + return fog_volume->material; +} + +RS::FogVolumeShape Fog::fog_volume_get_shape(RID p_fog_volume) const { + FogVolume *fog_volume = fog_volume_owner.get_or_null(p_fog_volume); + ERR_FAIL_COND_V(!fog_volume, RS::FOG_VOLUME_SHAPE_BOX); + + return fog_volume->shape; +} + +AABB Fog::fog_volume_get_aabb(RID p_fog_volume) const { + FogVolume *fog_volume = fog_volume_owner.get_or_null(p_fog_volume); + ERR_FAIL_COND_V(!fog_volume, AABB()); + + switch (fog_volume->shape) { + case RS::FOG_VOLUME_SHAPE_ELLIPSOID: + case RS::FOG_VOLUME_SHAPE_CONE: + case RS::FOG_VOLUME_SHAPE_CYLINDER: + case RS::FOG_VOLUME_SHAPE_BOX: { + AABB aabb; + aabb.position = -fog_volume->extents; + aabb.size = fog_volume->extents * 2; + return aabb; + } + default: { + // Need some size otherwise will get culled + return AABB(Vector3(-1, -1, -1), Vector3(2, 2, 2)); + } + } +} + +Vector3 Fog::fog_volume_get_extents(RID p_fog_volume) const { + const FogVolume *fog_volume = fog_volume_owner.get_or_null(p_fog_volume); + ERR_FAIL_COND_V(!fog_volume, Vector3()); + return fog_volume->extents; +} + +//////////////////////////////////////////////////////////////////////////////// +// Fog material + +bool Fog::FogMaterialData::update_parameters(const HashMap<StringName, Variant> &p_parameters, bool p_uniform_dirty, bool p_textures_dirty) { + uniform_set_updated = true; + + return update_parameters_uniform_set(p_parameters, p_uniform_dirty, p_textures_dirty, shader_data->uniforms, shader_data->ubo_offsets.ptr(), shader_data->texture_uniforms, shader_data->default_texture_params, shader_data->ubo_size, uniform_set, Fog::get_singleton()->volumetric_fog.shader.version_get_shader(shader_data->version, 0), VolumetricFogShader::FogSet::FOG_SET_MATERIAL, true); +} + +Fog::FogMaterialData::~FogMaterialData() { + free_parameters_uniform_set(uniform_set); +} + +RendererRD::MaterialStorage::ShaderData *Fog::_create_fog_shader_func() { + FogShaderData *shader_data = memnew(FogShaderData); + return shader_data; +} + +RendererRD::MaterialStorage::ShaderData *Fog::_create_fog_shader_funcs() { + return Fog::get_singleton()->_create_fog_shader_func(); +}; + +RendererRD::MaterialStorage::MaterialData *Fog::_create_fog_material_func(FogShaderData *p_shader) { + FogMaterialData *material_data = memnew(FogMaterialData); + material_data->shader_data = p_shader; + //update will happen later anyway so do nothing. + return material_data; +} + +RendererRD::MaterialStorage::MaterialData *Fog::_create_fog_material_funcs(RendererRD::MaterialStorage::ShaderData *p_shader) { + return Fog::get_singleton()->_create_fog_material_func(static_cast<FogShaderData *>(p_shader)); +}; + +//////////////////////////////////////////////////////////////////////////////// +// FOG VOLUMES INSTANCE + +RID Fog::fog_volume_instance_create(RID p_fog_volume) { + FogVolumeInstance fvi; + fvi.volume = p_fog_volume; + return fog_volume_instance_owner.make_rid(fvi); +} + +void Fog::fog_instance_free(RID p_rid) { + fog_volume_instance_owner.free(p_rid); +} + +//////////////////////////////////////////////////////////////////////////////// +// Volumetric Fog Shader + +void Fog::init_fog_shader(uint32_t p_max_directional_lights, int p_roughness_layers, bool p_is_using_radiance_cubemap_array) { + MaterialStorage *material_storage = MaterialStorage::get_singleton(); + + { + // Initialize local fog shader + Vector<String> volumetric_fog_modes; + volumetric_fog_modes.push_back(""); + volumetric_fog.shader.initialize(volumetric_fog_modes); + + material_storage->shader_set_data_request_function(RendererRD::MaterialStorage::SHADER_TYPE_FOG, _create_fog_shader_funcs); + material_storage->material_set_data_request_function(RendererRD::MaterialStorage::SHADER_TYPE_FOG, _create_fog_material_funcs); + volumetric_fog.volume_ubo = RD::get_singleton()->uniform_buffer_create(sizeof(VolumetricFogShader::VolumeUBO)); + } + + { + ShaderCompiler::DefaultIdentifierActions actions; + + actions.renames["TIME"] = "scene_params.time"; + actions.renames["PI"] = _MKSTR(Math_PI); + actions.renames["TAU"] = _MKSTR(Math_TAU); + actions.renames["E"] = _MKSTR(Math_E); + actions.renames["WORLD_POSITION"] = "world.xyz"; + actions.renames["OBJECT_POSITION"] = "params.position"; + actions.renames["UVW"] = "uvw"; + actions.renames["EXTENTS"] = "params.extents"; + actions.renames["ALBEDO"] = "albedo"; + actions.renames["DENSITY"] = "density"; + actions.renames["EMISSION"] = "emission"; + actions.renames["SDF"] = "sdf"; + + actions.usage_defines["SDF"] = "#define SDF_USED\n"; + actions.usage_defines["DENSITY"] = "#define DENSITY_USED\n"; + actions.usage_defines["ALBEDO"] = "#define ALBEDO_USED\n"; + actions.usage_defines["EMISSION"] = "#define EMISSION_USED\n"; + + actions.sampler_array_name = "material_samplers"; + actions.base_texture_binding_index = 1; + actions.texture_layout_set = VolumetricFogShader::FogSet::FOG_SET_MATERIAL; + actions.base_uniform_string = "material."; + + actions.default_filter = ShaderLanguage::FILTER_LINEAR_MIPMAP; + actions.default_repeat = ShaderLanguage::REPEAT_DISABLE; + actions.global_buffer_array_variable = "global_variables.data"; + + volumetric_fog.compiler.initialize(actions); + } + + { + // default material and shader for fog shader + volumetric_fog.default_shader = material_storage->shader_allocate(); + material_storage->shader_initialize(volumetric_fog.default_shader); + material_storage->shader_set_code(volumetric_fog.default_shader, R"( +// Default fog shader. + +shader_type fog; + +void fog() { +DENSITY = 1.0; +ALBEDO = vec3(1.0); +} +)"); + volumetric_fog.default_material = material_storage->material_allocate(); + material_storage->material_initialize(volumetric_fog.default_material); + material_storage->material_set_shader(volumetric_fog.default_material, volumetric_fog.default_shader); + + FogMaterialData *md = static_cast<FogMaterialData *>(material_storage->material_get_data(volumetric_fog.default_material, RendererRD::MaterialStorage::SHADER_TYPE_FOG)); + volumetric_fog.default_shader_rd = volumetric_fog.shader.version_get_shader(md->shader_data->version, 0); + + Vector<RD::Uniform> uniforms; + + { + Vector<RID> ids; + ids.resize(12); + RID *ids_ptr = ids.ptrw(); + ids_ptr[0] = material_storage->sampler_rd_get_default(RS::CANVAS_ITEM_TEXTURE_FILTER_NEAREST, RS::CANVAS_ITEM_TEXTURE_REPEAT_DISABLED); + ids_ptr[1] = material_storage->sampler_rd_get_default(RS::CANVAS_ITEM_TEXTURE_FILTER_LINEAR, RS::CANVAS_ITEM_TEXTURE_REPEAT_DISABLED); + ids_ptr[2] = material_storage->sampler_rd_get_default(RS::CANVAS_ITEM_TEXTURE_FILTER_NEAREST_WITH_MIPMAPS, RS::CANVAS_ITEM_TEXTURE_REPEAT_DISABLED); + ids_ptr[3] = material_storage->sampler_rd_get_default(RS::CANVAS_ITEM_TEXTURE_FILTER_LINEAR_WITH_MIPMAPS, RS::CANVAS_ITEM_TEXTURE_REPEAT_DISABLED); + ids_ptr[4] = material_storage->sampler_rd_get_default(RS::CANVAS_ITEM_TEXTURE_FILTER_NEAREST_WITH_MIPMAPS_ANISOTROPIC, RS::CANVAS_ITEM_TEXTURE_REPEAT_DISABLED); + ids_ptr[5] = material_storage->sampler_rd_get_default(RS::CANVAS_ITEM_TEXTURE_FILTER_LINEAR_WITH_MIPMAPS_ANISOTROPIC, RS::CANVAS_ITEM_TEXTURE_REPEAT_DISABLED); + ids_ptr[6] = material_storage->sampler_rd_get_default(RS::CANVAS_ITEM_TEXTURE_FILTER_NEAREST, RS::CANVAS_ITEM_TEXTURE_REPEAT_ENABLED); + ids_ptr[7] = material_storage->sampler_rd_get_default(RS::CANVAS_ITEM_TEXTURE_FILTER_LINEAR, RS::CANVAS_ITEM_TEXTURE_REPEAT_ENABLED); + ids_ptr[8] = material_storage->sampler_rd_get_default(RS::CANVAS_ITEM_TEXTURE_FILTER_NEAREST_WITH_MIPMAPS, RS::CANVAS_ITEM_TEXTURE_REPEAT_ENABLED); + ids_ptr[9] = material_storage->sampler_rd_get_default(RS::CANVAS_ITEM_TEXTURE_FILTER_LINEAR_WITH_MIPMAPS, RS::CANVAS_ITEM_TEXTURE_REPEAT_ENABLED); + ids_ptr[10] = material_storage->sampler_rd_get_default(RS::CANVAS_ITEM_TEXTURE_FILTER_NEAREST_WITH_MIPMAPS_ANISOTROPIC, RS::CANVAS_ITEM_TEXTURE_REPEAT_ENABLED); + ids_ptr[11] = material_storage->sampler_rd_get_default(RS::CANVAS_ITEM_TEXTURE_FILTER_LINEAR_WITH_MIPMAPS_ANISOTROPIC, RS::CANVAS_ITEM_TEXTURE_REPEAT_ENABLED); + + RD::Uniform u(RD::UNIFORM_TYPE_SAMPLER, 1, ids); + uniforms.push_back(u); + } + + { + RD::Uniform u; + u.uniform_type = RD::UNIFORM_TYPE_STORAGE_BUFFER; + u.binding = 2; + u.append_id(RendererRD::MaterialStorage::get_singleton()->global_shader_uniforms_get_storage_buffer()); + uniforms.push_back(u); + } + + volumetric_fog.base_uniform_set = RD::get_singleton()->uniform_set_create(uniforms, volumetric_fog.default_shader_rd, VolumetricFogShader::FogSet::FOG_SET_BASE); + } + { + String defines = "\n#define MAX_DIRECTIONAL_LIGHT_DATA_STRUCTS " + itos(p_max_directional_lights) + "\n"; + defines += "\n#define MAX_SKY_LOD " + itos(p_roughness_layers - 1) + ".0\n"; + if (p_is_using_radiance_cubemap_array) { + defines += "\n#define USE_RADIANCE_CUBEMAP_ARRAY \n"; + } + Vector<String> volumetric_fog_modes; + volumetric_fog_modes.push_back("\n#define MODE_DENSITY\n"); + volumetric_fog_modes.push_back("\n#define MODE_DENSITY\n#define ENABLE_SDFGI\n"); + volumetric_fog_modes.push_back("\n#define MODE_FILTER\n"); + volumetric_fog_modes.push_back("\n#define MODE_FOG\n"); + volumetric_fog_modes.push_back("\n#define MODE_COPY\n"); + + volumetric_fog.process_shader.initialize(volumetric_fog_modes, defines); + volumetric_fog.process_shader_version = volumetric_fog.process_shader.version_create(); + for (int i = 0; i < VolumetricFogShader::VOLUMETRIC_FOG_PROCESS_SHADER_MAX; i++) { + volumetric_fog.process_pipelines[i] = RD::get_singleton()->compute_pipeline_create(volumetric_fog.process_shader.version_get_shader(volumetric_fog.process_shader_version, i)); + } + volumetric_fog.params_ubo = RD::get_singleton()->uniform_buffer_create(sizeof(VolumetricFogShader::ParamsUBO)); + } +} + +void Fog::free_fog_shader() { + MaterialStorage *material_storage = MaterialStorage::get_singleton(); + + volumetric_fog.process_shader.version_free(volumetric_fog.process_shader_version); + RD::get_singleton()->free(volumetric_fog.volume_ubo); + RD::get_singleton()->free(volumetric_fog.params_ubo); + material_storage->shader_free(volumetric_fog.default_shader); + material_storage->material_free(volumetric_fog.default_material); +} + +void Fog::FogShaderData::set_path_hint(const String &p_path) { + path = p_path; +} + +void Fog::FogShaderData::set_code(const String &p_code) { + //compile + + code = p_code; + valid = false; + ubo_size = 0; + uniforms.clear(); + + if (code.is_empty()) { + return; //just invalid, but no error + } + + ShaderCompiler::GeneratedCode gen_code; + ShaderCompiler::IdentifierActions actions; + actions.entry_point_stages["fog"] = ShaderCompiler::STAGE_COMPUTE; + + uses_time = false; + + actions.usage_flag_pointers["TIME"] = &uses_time; + + actions.uniforms = &uniforms; + + Fog *fog_singleton = Fog::get_singleton(); + + Error err = fog_singleton->volumetric_fog.compiler.compile(RS::SHADER_FOG, code, &actions, path, gen_code); + ERR_FAIL_COND_MSG(err != OK, "Fog shader compilation failed."); + + if (version.is_null()) { + version = fog_singleton->volumetric_fog.shader.version_create(); + } + + fog_singleton->volumetric_fog.shader.version_set_compute_code(version, gen_code.code, gen_code.uniforms, gen_code.stage_globals[ShaderCompiler::STAGE_COMPUTE], gen_code.defines); + ERR_FAIL_COND(!fog_singleton->volumetric_fog.shader.version_is_valid(version)); + + ubo_size = gen_code.uniform_total_size; + ubo_offsets = gen_code.uniform_offsets; + texture_uniforms = gen_code.texture_uniforms; + + pipeline = RD::get_singleton()->compute_pipeline_create(fog_singleton->volumetric_fog.shader.version_get_shader(version, 0)); + + valid = true; +} + +void Fog::FogShaderData::set_default_texture_parameter(const StringName &p_name, RID p_texture, int p_index) { + if (!p_texture.is_valid()) { + if (default_texture_params.has(p_name) && default_texture_params[p_name].has(p_index)) { + default_texture_params[p_name].erase(p_index); + + if (default_texture_params[p_name].is_empty()) { + default_texture_params.erase(p_name); + } + } + } else { + if (!default_texture_params.has(p_name)) { + default_texture_params[p_name] = HashMap<int, RID>(); + } + default_texture_params[p_name][p_index] = p_texture; + } +} + +void Fog::FogShaderData::get_shader_uniform_list(List<PropertyInfo> *p_param_list) const { + RBMap<int, StringName> order; + + for (const KeyValue<StringName, ShaderLanguage::ShaderNode::Uniform> &E : uniforms) { + if (E.value.scope == ShaderLanguage::ShaderNode::Uniform::SCOPE_GLOBAL || E.value.scope == ShaderLanguage::ShaderNode::Uniform::SCOPE_INSTANCE) { + continue; + } + + if (E.value.texture_order >= 0) { + order[E.value.texture_order + 100000] = E.key; + } else { + order[E.value.order] = E.key; + } + } + + String last_group; + for (const KeyValue<int, StringName> &E : order) { + String group = uniforms[E.value].group; + if (!uniforms[E.value].subgroup.is_empty()) { + group += "::" + uniforms[E.value].subgroup; + } + + if (group != last_group) { + PropertyInfo pi; + pi.usage = PROPERTY_USAGE_GROUP; + pi.name = group; + p_param_list->push_back(pi); + + last_group = group; + } + + PropertyInfo pi = ShaderLanguage::uniform_to_property_info(uniforms[E.value]); + pi.name = E.value; + p_param_list->push_back(pi); + } +} + +void Fog::FogShaderData::get_instance_param_list(List<RendererMaterialStorage::InstanceShaderParam> *p_param_list) const { + for (const KeyValue<StringName, ShaderLanguage::ShaderNode::Uniform> &E : uniforms) { + if (E.value.scope != ShaderLanguage::ShaderNode::Uniform::SCOPE_INSTANCE) { + continue; + } + + RendererMaterialStorage::InstanceShaderParam p; + p.info = ShaderLanguage::uniform_to_property_info(E.value); + p.info.name = E.key; //supply name + p.index = E.value.instance_index; + p.default_value = ShaderLanguage::constant_value_to_variant(E.value.default_value, E.value.type, E.value.array_size, E.value.hint); + p_param_list->push_back(p); + } +} + +bool Fog::FogShaderData::is_parameter_texture(const StringName &p_param) const { + if (!uniforms.has(p_param)) { + return false; + } + + return uniforms[p_param].texture_order >= 0; +} + +bool Fog::FogShaderData::is_animated() const { + return false; +} + +bool Fog::FogShaderData::casts_shadows() const { + return false; +} + +Variant Fog::FogShaderData::get_default_parameter(const StringName &p_parameter) const { + if (uniforms.has(p_parameter)) { + ShaderLanguage::ShaderNode::Uniform uniform = uniforms[p_parameter]; + Vector<ShaderLanguage::ConstantNode::Value> default_value = uniform.default_value; + return ShaderLanguage::constant_value_to_variant(default_value, uniform.type, uniform.array_size, uniform.hint); + } + return Variant(); +} + +RS::ShaderNativeSourceCode Fog::FogShaderData::get_native_source_code() const { + Fog *fog_singleton = Fog::get_singleton(); + + return fog_singleton->volumetric_fog.shader.version_get_native_source_code(version); +} + +Fog::FogShaderData::~FogShaderData() { + Fog *fog_singleton = Fog::get_singleton(); + ERR_FAIL_COND(!fog_singleton); + //pipeline variants will clear themselves if shader is gone + if (version.is_valid()) { + fog_singleton->volumetric_fog.shader.version_free(version); + } +} + +//////////////////////////////////////////////////////////////////////////////// +// Volumetric Fog + +void Fog::VolumetricFog::init(const Vector3i &fog_size, RID p_sky_shader) { + width = fog_size.x; + height = fog_size.y; + depth = fog_size.z; + + RD::TextureFormat tf; + tf.format = RD::DATA_FORMAT_R16G16B16A16_SFLOAT; + tf.width = fog_size.x; + tf.height = fog_size.y; + tf.depth = fog_size.z; + tf.texture_type = RD::TEXTURE_TYPE_3D; + tf.usage_bits = RD::TEXTURE_USAGE_STORAGE_BIT | RD::TEXTURE_USAGE_CAN_COPY_FROM_BIT; + + light_density_map = RD::get_singleton()->texture_create(tf, RD::TextureView()); + RD::get_singleton()->set_resource_name(light_density_map, "Fog light-density map"); + + tf.usage_bits = RD::TEXTURE_USAGE_STORAGE_BIT | RD::TEXTURE_USAGE_SAMPLING_BIT | RD::TEXTURE_USAGE_CAN_COPY_TO_BIT; + + prev_light_density_map = RD::get_singleton()->texture_create(tf, RD::TextureView()); + RD::get_singleton()->set_resource_name(prev_light_density_map, "Fog previous light-density map"); + RD::get_singleton()->texture_clear(prev_light_density_map, Color(0, 0, 0, 0), 0, 1, 0, 1); + + tf.usage_bits = RD::TEXTURE_USAGE_STORAGE_BIT | RD::TEXTURE_USAGE_SAMPLING_BIT; + + fog_map = RD::get_singleton()->texture_create(tf, RD::TextureView()); + RD::get_singleton()->set_resource_name(fog_map, "Fog map"); + +#if defined(MACOS_ENABLED) || defined(IOS_ENABLED) + Vector<uint8_t> dm; + dm.resize(fog_size.x * fog_size.y * fog_size.z * 4); + dm.fill(0); + + density_map = RD::get_singleton()->storage_buffer_create(dm.size(), dm); + RD::get_singleton()->set_resource_name(density_map, "Fog density map"); + light_map = RD::get_singleton()->storage_buffer_create(dm.size(), dm); + RD::get_singleton()->set_resource_name(light_map, "Fog light map"); + emissive_map = RD::get_singleton()->storage_buffer_create(dm.size(), dm); + RD::get_singleton()->set_resource_name(emissive_map, "Fog emissive map"); +#else + tf.format = RD::DATA_FORMAT_R32_UINT; + tf.usage_bits = RD::TEXTURE_USAGE_STORAGE_BIT | RD::TEXTURE_USAGE_CAN_COPY_TO_BIT; + density_map = RD::get_singleton()->texture_create(tf, RD::TextureView()); + RD::get_singleton()->set_resource_name(density_map, "Fog density map"); + RD::get_singleton()->texture_clear(density_map, Color(0, 0, 0, 0), 0, 1, 0, 1); + light_map = RD::get_singleton()->texture_create(tf, RD::TextureView()); + RD::get_singleton()->set_resource_name(light_map, "Fog light map"); + RD::get_singleton()->texture_clear(light_map, Color(0, 0, 0, 0), 0, 1, 0, 1); + emissive_map = RD::get_singleton()->texture_create(tf, RD::TextureView()); + RD::get_singleton()->set_resource_name(emissive_map, "Fog emissive map"); + RD::get_singleton()->texture_clear(emissive_map, Color(0, 0, 0, 0), 0, 1, 0, 1); +#endif + + Vector<RD::Uniform> uniforms; + { + RD::Uniform u; + u.binding = 0; + u.uniform_type = RD::UNIFORM_TYPE_TEXTURE; + u.append_id(fog_map); + uniforms.push_back(u); + } + + sky_uniform_set = RD::get_singleton()->uniform_set_create(uniforms, p_sky_shader, RendererRD::SkyRD::SKY_SET_FOG); +} + +Fog::VolumetricFog::~VolumetricFog() { + RD::get_singleton()->free(prev_light_density_map); + RD::get_singleton()->free(light_density_map); + RD::get_singleton()->free(fog_map); + RD::get_singleton()->free(density_map); + RD::get_singleton()->free(light_map); + RD::get_singleton()->free(emissive_map); + + if (fog_uniform_set.is_valid() && RD::get_singleton()->uniform_set_is_valid(fog_uniform_set)) { + RD::get_singleton()->free(fog_uniform_set); + } + if (process_uniform_set_density.is_valid() && RD::get_singleton()->uniform_set_is_valid(process_uniform_set_density)) { + RD::get_singleton()->free(process_uniform_set_density); + } + if (process_uniform_set.is_valid() && RD::get_singleton()->uniform_set_is_valid(process_uniform_set)) { + RD::get_singleton()->free(process_uniform_set); + } + if (process_uniform_set2.is_valid() && RD::get_singleton()->uniform_set_is_valid(process_uniform_set2)) { + RD::get_singleton()->free(process_uniform_set2); + } + if (sdfgi_uniform_set.is_valid() && RD::get_singleton()->uniform_set_is_valid(sdfgi_uniform_set)) { + RD::get_singleton()->free(sdfgi_uniform_set); + } + if (sky_uniform_set.is_valid() && RD::get_singleton()->uniform_set_is_valid(sky_uniform_set)) { + RD::get_singleton()->free(sky_uniform_set); + } +} + +Vector3i Fog::_point_get_position_in_froxel_volume(const Vector3 &p_point, float fog_end, const Vector2 &fog_near_size, const Vector2 &fog_far_size, float volumetric_fog_detail_spread, const Vector3 &fog_size, const Transform3D &p_cam_transform) { + Vector3 view_position = p_cam_transform.affine_inverse().xform(p_point); + view_position.z = MIN(view_position.z, -0.01); // Clamp to the front of camera + Vector3 fog_position = Vector3(0, 0, 0); + + view_position.y = -view_position.y; + fog_position.z = -view_position.z / fog_end; + fog_position.x = (view_position.x / (2 * (fog_near_size.x * (1.0 - fog_position.z) + fog_far_size.x * fog_position.z))) + 0.5; + fog_position.y = (view_position.y / (2 * (fog_near_size.y * (1.0 - fog_position.z) + fog_far_size.y * fog_position.z))) + 0.5; + fog_position.z = Math::pow(float(fog_position.z), float(1.0 / volumetric_fog_detail_spread)); + fog_position = fog_position * fog_size - Vector3(0.5, 0.5, 0.5); + + fog_position.x = CLAMP(fog_position.x, 0.0, fog_size.x); + fog_position.y = CLAMP(fog_position.y, 0.0, fog_size.y); + fog_position.z = CLAMP(fog_position.z, 0.0, fog_size.z); + + return Vector3i(fog_position); +} + +void Fog::volumetric_fog_update(const VolumetricFogSettings &p_settings, const Projection &p_cam_projection, const Transform3D &p_cam_transform, const Transform3D &p_prev_cam_inv_transform, RID p_shadow_atlas, int p_directional_light_count, bool p_use_directional_shadows, int p_positional_light_count, int p_voxel_gi_count, const PagedArray<RID> &p_fog_volumes) { + RendererRD::TextureStorage *texture_storage = RendererRD::TextureStorage::get_singleton(); + RendererRD::MaterialStorage *material_storage = RendererRD::MaterialStorage::get_singleton(); + + RENDER_TIMESTAMP("> Volumetric Fog"); + RD::get_singleton()->draw_command_begin_label("Volumetric Fog"); + + Ref<VolumetricFog> fog = p_settings.vfog; + + if (p_fog_volumes.size() > 0) { + RD::get_singleton()->draw_command_begin_label("Render Volumetric Fog Volumes"); + + RENDER_TIMESTAMP("Render FogVolumes"); + + VolumetricFogShader::VolumeUBO params; + + Vector2 frustum_near_size = p_cam_projection.get_viewport_half_extents(); + Vector2 frustum_far_size = p_cam_projection.get_far_plane_half_extents(); + float z_near = p_cam_projection.get_z_near(); + float z_far = p_cam_projection.get_z_far(); + float fog_end = RendererSceneRenderRD::get_singleton()->environment_get_volumetric_fog_length(p_settings.env); + + Vector2 fog_far_size = frustum_near_size.lerp(frustum_far_size, (fog_end - z_near) / (z_far - z_near)); + Vector2 fog_near_size; + if (p_cam_projection.is_orthogonal()) { + fog_near_size = fog_far_size; + } else { + fog_near_size = Vector2(); + } + + params.fog_frustum_size_begin[0] = fog_near_size.x; + params.fog_frustum_size_begin[1] = fog_near_size.y; + + params.fog_frustum_size_end[0] = fog_far_size.x; + params.fog_frustum_size_end[1] = fog_far_size.y; + + params.fog_frustum_end = fog_end; + params.z_near = z_near; + params.z_far = z_far; + params.time = p_settings.time; + + params.fog_volume_size[0] = fog->width; + params.fog_volume_size[1] = fog->height; + params.fog_volume_size[2] = fog->depth; + + params.use_temporal_reprojection = RendererSceneRenderRD::get_singleton()->environment_get_volumetric_fog_temporal_reprojection(p_settings.env); + params.temporal_frame = RSG::rasterizer->get_frame_number() % VolumetricFog::MAX_TEMPORAL_FRAMES; + params.detail_spread = RendererSceneRenderRD::get_singleton()->environment_get_volumetric_fog_detail_spread(p_settings.env); + params.temporal_blend = RendererSceneRenderRD::get_singleton()->environment_get_volumetric_fog_temporal_reprojection_amount(p_settings.env); + + Transform3D to_prev_cam_view = p_prev_cam_inv_transform * p_cam_transform; + RendererRD::MaterialStorage::store_transform(to_prev_cam_view, params.to_prev_view); + RendererRD::MaterialStorage::store_transform(p_cam_transform, params.transform); + + RD::get_singleton()->buffer_update(volumetric_fog.volume_ubo, 0, sizeof(VolumetricFogShader::VolumeUBO), ¶ms, RD::BARRIER_MASK_COMPUTE); + + if (fog->fog_uniform_set.is_null() || !RD::get_singleton()->uniform_set_is_valid(fog->fog_uniform_set)) { + Vector<RD::Uniform> uniforms; + + { + RD::Uniform u; +#if defined(MACOS_ENABLED) || defined(IOS_ENABLED) + u.uniform_type = RD::UNIFORM_TYPE_STORAGE_BUFFER; +#else + u.uniform_type = RD::UNIFORM_TYPE_IMAGE; +#endif + u.binding = 1; + u.append_id(fog->emissive_map); + uniforms.push_back(u); + } + + { + RD::Uniform u; + u.uniform_type = RD::UNIFORM_TYPE_UNIFORM_BUFFER; + u.binding = 2; + u.append_id(volumetric_fog.volume_ubo); + uniforms.push_back(u); + } + + { + RD::Uniform u; +#if defined(MACOS_ENABLED) || defined(IOS_ENABLED) + u.uniform_type = RD::UNIFORM_TYPE_STORAGE_BUFFER; +#else + u.uniform_type = RD::UNIFORM_TYPE_IMAGE; +#endif + u.binding = 3; + u.append_id(fog->density_map); + uniforms.push_back(u); + } + + { + RD::Uniform u; +#if defined(MACOS_ENABLED) || defined(IOS_ENABLED) + u.uniform_type = RD::UNIFORM_TYPE_STORAGE_BUFFER; +#else + u.uniform_type = RD::UNIFORM_TYPE_IMAGE; +#endif + u.binding = 4; + u.append_id(fog->light_map); + uniforms.push_back(u); + } + + fog->fog_uniform_set = RD::get_singleton()->uniform_set_create(uniforms, volumetric_fog.default_shader_rd, VolumetricFogShader::FogSet::FOG_SET_UNIFORMS); + } + + RD::ComputeListID compute_list = RD::get_singleton()->compute_list_begin(); + bool any_uses_time = false; + + for (int i = 0; i < (int)p_fog_volumes.size(); i++) { + FogVolumeInstance *fog_volume_instance = fog_volume_instance_owner.get_or_null(p_fog_volumes[i]); + ERR_FAIL_COND(!fog_volume_instance); + RID fog_volume = fog_volume_instance->volume; + + RID fog_material = RendererRD::Fog::get_singleton()->fog_volume_get_material(fog_volume); + + FogMaterialData *material = nullptr; + + if (fog_material.is_valid()) { + material = static_cast<FogMaterialData *>(material_storage->material_get_data(fog_material, RendererRD::MaterialStorage::SHADER_TYPE_FOG)); + if (!material || !material->shader_data->valid) { + material = nullptr; + } + } + + if (!material) { + fog_material = volumetric_fog.default_material; + material = static_cast<FogMaterialData *>(material_storage->material_get_data(fog_material, RendererRD::MaterialStorage::SHADER_TYPE_FOG)); + } + + ERR_FAIL_COND(!material); + + FogShaderData *shader_data = material->shader_data; + + ERR_FAIL_COND(!shader_data); + + any_uses_time |= shader_data->uses_time; + + Vector3i min = Vector3i(); + Vector3i max = Vector3i(); + Vector3i kernel_size = Vector3i(); + + Vector3 position = fog_volume_instance->transform.get_origin(); + RS::FogVolumeShape volume_type = RendererRD::Fog::get_singleton()->fog_volume_get_shape(fog_volume); + Vector3 extents = RendererRD::Fog::get_singleton()->fog_volume_get_extents(fog_volume); + + if (volume_type != RS::FOG_VOLUME_SHAPE_WORLD) { + // Local fog volume. + Vector3i points[8]; + Vector3 fog_size = Vector3(fog->width, fog->height, fog->depth); + float volumetric_fog_detail_spread = RendererSceneRenderRD::get_singleton()->environment_get_volumetric_fog_detail_spread(p_settings.env); + points[0] = _point_get_position_in_froxel_volume(fog_volume_instance->transform.xform(Vector3(extents.x, extents.y, extents.z)), fog_end, fog_near_size, fog_far_size, volumetric_fog_detail_spread, fog_size, p_cam_transform); + points[1] = _point_get_position_in_froxel_volume(fog_volume_instance->transform.xform(Vector3(-extents.x, extents.y, extents.z)), fog_end, fog_near_size, fog_far_size, volumetric_fog_detail_spread, fog_size, p_cam_transform); + points[2] = _point_get_position_in_froxel_volume(fog_volume_instance->transform.xform(Vector3(extents.x, -extents.y, extents.z)), fog_end, fog_near_size, fog_far_size, volumetric_fog_detail_spread, fog_size, p_cam_transform); + points[3] = _point_get_position_in_froxel_volume(fog_volume_instance->transform.xform(Vector3(-extents.x, -extents.y, extents.z)), fog_end, fog_near_size, fog_far_size, volumetric_fog_detail_spread, fog_size, p_cam_transform); + points[4] = _point_get_position_in_froxel_volume(fog_volume_instance->transform.xform(Vector3(extents.x, extents.y, -extents.z)), fog_end, fog_near_size, fog_far_size, volumetric_fog_detail_spread, fog_size, p_cam_transform); + points[5] = _point_get_position_in_froxel_volume(fog_volume_instance->transform.xform(Vector3(-extents.x, extents.y, -extents.z)), fog_end, fog_near_size, fog_far_size, volumetric_fog_detail_spread, fog_size, p_cam_transform); + points[6] = _point_get_position_in_froxel_volume(fog_volume_instance->transform.xform(Vector3(extents.x, -extents.y, -extents.z)), fog_end, fog_near_size, fog_far_size, volumetric_fog_detail_spread, fog_size, p_cam_transform); + points[7] = _point_get_position_in_froxel_volume(fog_volume_instance->transform.xform(Vector3(-extents.x, -extents.y, -extents.z)), fog_end, fog_near_size, fog_far_size, volumetric_fog_detail_spread, fog_size, p_cam_transform); + + min = Vector3i(int32_t(fog->width) - 1, int32_t(fog->height) - 1, int32_t(fog->depth) - 1); + max = Vector3i(1, 1, 1); + + for (int j = 0; j < 8; j++) { + min = Vector3i(MIN(min.x, points[j].x), MIN(min.y, points[j].y), MIN(min.z, points[j].z)); + max = Vector3i(MAX(max.x, points[j].x), MAX(max.y, points[j].y), MAX(max.z, points[j].z)); + } + + kernel_size = max - min; + } else { + // Volume type global runs on all cells + extents = Vector3(fog->width, fog->height, fog->depth); + min = Vector3i(0, 0, 0); + kernel_size = Vector3i(int32_t(fog->width), int32_t(fog->height), int32_t(fog->depth)); + } + + if (kernel_size.x == 0 || kernel_size.y == 0 || kernel_size.z == 0) { + continue; + } + + VolumetricFogShader::FogPushConstant push_constant; + push_constant.position[0] = position.x; + push_constant.position[1] = position.y; + push_constant.position[2] = position.z; + push_constant.extents[0] = extents.x; + push_constant.extents[1] = extents.y; + push_constant.extents[2] = extents.z; + push_constant.corner[0] = min.x; + push_constant.corner[1] = min.y; + push_constant.corner[2] = min.z; + push_constant.shape = uint32_t(RendererRD::Fog::get_singleton()->fog_volume_get_shape(fog_volume)); + RendererRD::MaterialStorage::store_transform(fog_volume_instance->transform.affine_inverse(), push_constant.transform); + + RD::get_singleton()->compute_list_bind_compute_pipeline(compute_list, shader_data->pipeline); + + RD::get_singleton()->compute_list_bind_uniform_set(compute_list, fog->fog_uniform_set, VolumetricFogShader::FogSet::FOG_SET_UNIFORMS); + RD::get_singleton()->compute_list_set_push_constant(compute_list, &push_constant, sizeof(VolumetricFogShader::FogPushConstant)); + RD::get_singleton()->compute_list_bind_uniform_set(compute_list, volumetric_fog.base_uniform_set, VolumetricFogShader::FogSet::FOG_SET_BASE); + if (material->uniform_set.is_valid() && RD::get_singleton()->uniform_set_is_valid(material->uniform_set)) { // Material may not have a uniform set. + RD::get_singleton()->compute_list_bind_uniform_set(compute_list, material->uniform_set, VolumetricFogShader::FogSet::FOG_SET_MATERIAL); + } + + RD::get_singleton()->compute_list_dispatch_threads(compute_list, kernel_size.x, kernel_size.y, kernel_size.z); + } + if (any_uses_time || RendererSceneRenderRD::get_singleton()->environment_get_volumetric_fog_temporal_reprojection(p_settings.env)) { + RenderingServerDefault::redraw_request(); + } + + RD::get_singleton()->draw_command_end_label(); + + RD::get_singleton()->compute_list_end(); + } + + if (fog->process_uniform_set_density.is_null() || !RD::get_singleton()->uniform_set_is_valid(fog->process_uniform_set_density)) { + //re create uniform set if needed + Vector<RD::Uniform> uniforms; + Vector<RD::Uniform> copy_uniforms; + + { + RD::Uniform u; + u.uniform_type = RD::UNIFORM_TYPE_TEXTURE; + u.binding = 1; + if (p_settings.shadow_atlas_depth.is_null()) { + u.append_id(texture_storage->texture_rd_get_default(RendererRD::TextureStorage::DEFAULT_RD_TEXTURE_BLACK)); + } else { + u.append_id(p_settings.shadow_atlas_depth); + } + + uniforms.push_back(u); + copy_uniforms.push_back(u); + } + + { + RD::Uniform u; + u.uniform_type = RD::UNIFORM_TYPE_TEXTURE; + u.binding = 2; + if (p_settings.directional_shadow_depth.is_valid()) { + u.append_id(p_settings.directional_shadow_depth); + } else { + u.append_id(texture_storage->texture_rd_get_default(RendererRD::TextureStorage::DEFAULT_RD_TEXTURE_BLACK)); + } + uniforms.push_back(u); + copy_uniforms.push_back(u); + } + + { + RD::Uniform u; + u.uniform_type = RD::UNIFORM_TYPE_STORAGE_BUFFER; + u.binding = 3; + u.append_id(p_settings.omni_light_buffer); + uniforms.push_back(u); + copy_uniforms.push_back(u); + } + { + RD::Uniform u; + u.uniform_type = RD::UNIFORM_TYPE_STORAGE_BUFFER; + u.binding = 4; + u.append_id(p_settings.spot_light_buffer); + uniforms.push_back(u); + copy_uniforms.push_back(u); + } + + { + RD::Uniform u; + u.uniform_type = RD::UNIFORM_TYPE_UNIFORM_BUFFER; + u.binding = 5; + u.append_id(p_settings.directional_light_buffer); + uniforms.push_back(u); + copy_uniforms.push_back(u); + } + + { + RD::Uniform u; + u.uniform_type = RD::UNIFORM_TYPE_STORAGE_BUFFER; + u.binding = 6; + u.append_id(p_settings.cluster_builder->get_cluster_buffer()); + uniforms.push_back(u); + copy_uniforms.push_back(u); + } + + { + RD::Uniform u; + u.uniform_type = RD::UNIFORM_TYPE_SAMPLER; + u.binding = 7; + u.append_id(material_storage->sampler_rd_get_default(RS::CANVAS_ITEM_TEXTURE_FILTER_LINEAR, RS::CANVAS_ITEM_TEXTURE_REPEAT_DISABLED)); + uniforms.push_back(u); + copy_uniforms.push_back(u); + } + + { + RD::Uniform u; + u.uniform_type = RD::UNIFORM_TYPE_IMAGE; + u.binding = 8; + u.append_id(fog->light_density_map); + uniforms.push_back(u); + copy_uniforms.push_back(u); + } + + { + RD::Uniform u; + u.uniform_type = RD::UNIFORM_TYPE_IMAGE; + u.binding = 9; + u.append_id(fog->fog_map); + uniforms.push_back(u); + } + + { + RD::Uniform u; + u.uniform_type = RD::UNIFORM_TYPE_IMAGE; + u.binding = 9; + u.append_id(fog->prev_light_density_map); + copy_uniforms.push_back(u); + } + + { + RD::Uniform u; + u.uniform_type = RD::UNIFORM_TYPE_SAMPLER; + u.binding = 10; + u.append_id(p_settings.shadow_sampler); + uniforms.push_back(u); + copy_uniforms.push_back(u); + } + + { + RD::Uniform u; + u.uniform_type = RD::UNIFORM_TYPE_UNIFORM_BUFFER; + u.binding = 11; + u.append_id(p_settings.voxel_gi_buffer); + uniforms.push_back(u); + copy_uniforms.push_back(u); + } + + { + RD::Uniform u; + u.uniform_type = RD::UNIFORM_TYPE_TEXTURE; + u.binding = 12; + for (int i = 0; i < RendererRD::GI::MAX_VOXEL_GI_INSTANCES; i++) { + u.append_id(p_settings.rbgi->voxel_gi_textures[i]); + } + uniforms.push_back(u); + copy_uniforms.push_back(u); + } + { + RD::Uniform u; + u.uniform_type = RD::UNIFORM_TYPE_SAMPLER; + u.binding = 13; + u.append_id(material_storage->sampler_rd_get_default(RS::CANVAS_ITEM_TEXTURE_FILTER_LINEAR_WITH_MIPMAPS, RS::CANVAS_ITEM_TEXTURE_REPEAT_DISABLED)); + uniforms.push_back(u); + copy_uniforms.push_back(u); + } + { + RD::Uniform u; + u.uniform_type = RD::UNIFORM_TYPE_UNIFORM_BUFFER; + u.binding = 14; + u.append_id(volumetric_fog.params_ubo); + uniforms.push_back(u); + copy_uniforms.push_back(u); + } + { + RD::Uniform u; + u.uniform_type = RD::UNIFORM_TYPE_TEXTURE; + u.binding = 15; + u.append_id(fog->prev_light_density_map); + uniforms.push_back(u); + } + { + RD::Uniform u; +#if defined(MACOS_ENABLED) || defined(IOS_ENABLED) + u.uniform_type = RD::UNIFORM_TYPE_STORAGE_BUFFER; +#else + u.uniform_type = RD::UNIFORM_TYPE_IMAGE; +#endif + u.binding = 16; + u.append_id(fog->density_map); + uniforms.push_back(u); + } + { + RD::Uniform u; +#if defined(MACOS_ENABLED) || defined(IOS_ENABLED) + u.uniform_type = RD::UNIFORM_TYPE_STORAGE_BUFFER; +#else + u.uniform_type = RD::UNIFORM_TYPE_IMAGE; +#endif + u.binding = 17; + u.append_id(fog->light_map); + uniforms.push_back(u); + } + + { + RD::Uniform u; +#if defined(MACOS_ENABLED) || defined(IOS_ENABLED) + u.uniform_type = RD::UNIFORM_TYPE_STORAGE_BUFFER; +#else + u.uniform_type = RD::UNIFORM_TYPE_IMAGE; +#endif + u.binding = 18; + u.append_id(fog->emissive_map); + uniforms.push_back(u); + } + + { + RD::Uniform u; + u.uniform_type = RD::UNIFORM_TYPE_TEXTURE; + u.binding = 19; + RID radiance_texture = texture_storage->texture_rd_get_default(p_settings.is_using_radiance_cubemap_array ? RendererRD::TextureStorage::DEFAULT_RD_TEXTURE_CUBEMAP_ARRAY_BLACK : RendererRD::TextureStorage::DEFAULT_RD_TEXTURE_CUBEMAP_BLACK); + RID sky_texture = RendererSceneRenderRD::get_singleton()->environment_get_sky(p_settings.env).is_valid() ? p_settings.sky->sky_get_radiance_texture_rd(RendererSceneRenderRD::get_singleton()->environment_get_sky(p_settings.env)) : RID(); + u.append_id(sky_texture.is_valid() ? sky_texture : radiance_texture); + uniforms.push_back(u); + } + + fog->copy_uniform_set = RD::get_singleton()->uniform_set_create(copy_uniforms, volumetric_fog.process_shader.version_get_shader(volumetric_fog.process_shader_version, VolumetricFogShader::VOLUMETRIC_FOG_PROCESS_SHADER_COPY), 0); + + fog->process_uniform_set = RD::get_singleton()->uniform_set_create(uniforms, volumetric_fog.process_shader.version_get_shader(volumetric_fog.process_shader_version, VolumetricFogShader::VOLUMETRIC_FOG_PROCESS_SHADER_FOG), 0); + + RID aux7 = uniforms.write[7].get_id(0); + RID aux8 = uniforms.write[8].get_id(0); + + uniforms.write[7].set_id(0, aux8); + uniforms.write[8].set_id(0, aux7); + + fog->process_uniform_set2 = RD::get_singleton()->uniform_set_create(uniforms, volumetric_fog.process_shader.version_get_shader(volumetric_fog.process_shader_version, VolumetricFogShader::VOLUMETRIC_FOG_PROCESS_SHADER_FOG), 0); + + uniforms.remove_at(8); + uniforms.write[7].set_id(0, aux7); + fog->process_uniform_set_density = RD::get_singleton()->uniform_set_create(uniforms, volumetric_fog.process_shader.version_get_shader(volumetric_fog.process_shader_version, VolumetricFogShader::VOLUMETRIC_FOG_PROCESS_SHADER_DENSITY), 0); + } + + bool using_sdfgi = RendererSceneRenderRD::get_singleton()->environment_get_volumetric_fog_gi_inject(p_settings.env) > 0.0001 && RendererSceneRenderRD::get_singleton()->environment_get_sdfgi_enabled(p_settings.env) && (p_settings.sdfgi.is_valid()); + + if (using_sdfgi) { + if (fog->sdfgi_uniform_set.is_null() || !RD::get_singleton()->uniform_set_is_valid(fog->sdfgi_uniform_set)) { + Vector<RD::Uniform> uniforms; + + { + RD::Uniform u; + u.uniform_type = RD::UNIFORM_TYPE_UNIFORM_BUFFER; + u.binding = 0; + u.append_id(p_settings.gi->sdfgi_ubo); + uniforms.push_back(u); + } + + { + RD::Uniform u; + u.uniform_type = RD::UNIFORM_TYPE_TEXTURE; + u.binding = 1; + u.append_id(p_settings.sdfgi->ambient_texture); + uniforms.push_back(u); + } + + { + RD::Uniform u; + u.uniform_type = RD::UNIFORM_TYPE_TEXTURE; + u.binding = 2; + u.append_id(p_settings.sdfgi->occlusion_texture); + uniforms.push_back(u); + } + + fog->sdfgi_uniform_set = RD::get_singleton()->uniform_set_create(uniforms, volumetric_fog.process_shader.version_get_shader(volumetric_fog.process_shader_version, VolumetricFogShader::VOLUMETRIC_FOG_PROCESS_SHADER_DENSITY_WITH_SDFGI), 1); + } + } + + fog->length = RendererSceneRenderRD::get_singleton()->environment_get_volumetric_fog_length(p_settings.env); + fog->spread = RendererSceneRenderRD::get_singleton()->environment_get_volumetric_fog_detail_spread(p_settings.env); + + VolumetricFogShader::ParamsUBO params; + + Vector2 frustum_near_size = p_cam_projection.get_viewport_half_extents(); + Vector2 frustum_far_size = p_cam_projection.get_far_plane_half_extents(); + float z_near = p_cam_projection.get_z_near(); + float z_far = p_cam_projection.get_z_far(); + float fog_end = RendererSceneRenderRD::get_singleton()->environment_get_volumetric_fog_length(p_settings.env); + + Vector2 fog_far_size = frustum_near_size.lerp(frustum_far_size, (fog_end - z_near) / (z_far - z_near)); + Vector2 fog_near_size; + if (p_cam_projection.is_orthogonal()) { + fog_near_size = fog_far_size; + } else { + fog_near_size = Vector2(); + } + + params.fog_frustum_size_begin[0] = fog_near_size.x; + params.fog_frustum_size_begin[1] = fog_near_size.y; + + params.fog_frustum_size_end[0] = fog_far_size.x; + params.fog_frustum_size_end[1] = fog_far_size.y; + + params.ambient_inject = RendererSceneRenderRD::get_singleton()->environment_get_volumetric_fog_ambient_inject(p_settings.env) * RendererSceneRenderRD::get_singleton()->environment_get_ambient_light_energy(p_settings.env); + params.z_far = z_far; + + params.fog_frustum_end = fog_end; + + Color ambient_color = RendererSceneRenderRD::get_singleton()->environment_get_ambient_light(p_settings.env).srgb_to_linear(); + params.ambient_color[0] = ambient_color.r; + params.ambient_color[1] = ambient_color.g; + params.ambient_color[2] = ambient_color.b; + params.sky_contribution = RendererSceneRenderRD::get_singleton()->environment_get_ambient_sky_contribution(p_settings.env); + + params.fog_volume_size[0] = fog->width; + params.fog_volume_size[1] = fog->height; + params.fog_volume_size[2] = fog->depth; + + params.directional_light_count = p_directional_light_count; + + Color emission = RendererSceneRenderRD::get_singleton()->environment_get_volumetric_fog_emission(p_settings.env).srgb_to_linear(); + params.base_emission[0] = emission.r * RendererSceneRenderRD::get_singleton()->environment_get_volumetric_fog_emission_energy(p_settings.env); + params.base_emission[1] = emission.g * RendererSceneRenderRD::get_singleton()->environment_get_volumetric_fog_emission_energy(p_settings.env); + params.base_emission[2] = emission.b * RendererSceneRenderRD::get_singleton()->environment_get_volumetric_fog_emission_energy(p_settings.env); + params.base_density = RendererSceneRenderRD::get_singleton()->environment_get_volumetric_fog_density(p_settings.env); + + Color base_scattering = RendererSceneRenderRD::get_singleton()->environment_get_volumetric_fog_scattering(p_settings.env).srgb_to_linear(); + params.base_scattering[0] = base_scattering.r; + params.base_scattering[1] = base_scattering.g; + params.base_scattering[2] = base_scattering.b; + params.phase_g = RendererSceneRenderRD::get_singleton()->environment_get_volumetric_fog_anisotropy(p_settings.env); + + params.detail_spread = RendererSceneRenderRD::get_singleton()->environment_get_volumetric_fog_detail_spread(p_settings.env); + params.gi_inject = RendererSceneRenderRD::get_singleton()->environment_get_volumetric_fog_gi_inject(p_settings.env); + + params.cam_rotation[0] = p_cam_transform.basis[0][0]; + params.cam_rotation[1] = p_cam_transform.basis[1][0]; + params.cam_rotation[2] = p_cam_transform.basis[2][0]; + params.cam_rotation[3] = 0; + params.cam_rotation[4] = p_cam_transform.basis[0][1]; + params.cam_rotation[5] = p_cam_transform.basis[1][1]; + params.cam_rotation[6] = p_cam_transform.basis[2][1]; + params.cam_rotation[7] = 0; + params.cam_rotation[8] = p_cam_transform.basis[0][2]; + params.cam_rotation[9] = p_cam_transform.basis[1][2]; + params.cam_rotation[10] = p_cam_transform.basis[2][2]; + params.cam_rotation[11] = 0; + params.filter_axis = 0; + params.max_voxel_gi_instances = RendererSceneRenderRD::get_singleton()->environment_get_volumetric_fog_gi_inject(p_settings.env) > 0.001 ? p_voxel_gi_count : 0; + params.temporal_frame = RSG::rasterizer->get_frame_number() % VolumetricFog::MAX_TEMPORAL_FRAMES; + + Transform3D to_prev_cam_view = p_prev_cam_inv_transform * p_cam_transform; + RendererRD::MaterialStorage::store_transform(to_prev_cam_view, params.to_prev_view); + + params.use_temporal_reprojection = RendererSceneRenderRD::get_singleton()->environment_get_volumetric_fog_temporal_reprojection(p_settings.env); + params.temporal_blend = RendererSceneRenderRD::get_singleton()->environment_get_volumetric_fog_temporal_reprojection_amount(p_settings.env); + + { + uint32_t cluster_size = p_settings.cluster_builder->get_cluster_size(); + params.cluster_shift = get_shift_from_power_of_2(cluster_size); + + uint32_t cluster_screen_width = (p_settings.rb_size.x - 1) / cluster_size + 1; + uint32_t cluster_screen_height = (p_settings.rb_size.y - 1) / cluster_size + 1; + params.max_cluster_element_count_div_32 = p_settings.max_cluster_elements / 32; + params.cluster_type_size = cluster_screen_width * cluster_screen_height * (params.max_cluster_element_count_div_32 + 32); + params.cluster_width = cluster_screen_width; + + params.screen_size[0] = p_settings.rb_size.x; + params.screen_size[1] = p_settings.rb_size.y; + } + + Basis sky_transform = RendererSceneRenderRD::get_singleton()->environment_get_sky_orientation(p_settings.env); + sky_transform = sky_transform.inverse() * p_cam_transform.basis; + RendererRD::MaterialStorage::store_transform_3x3(sky_transform, params.radiance_inverse_xform); + + RD::get_singleton()->draw_command_begin_label("Render Volumetric Fog"); + + RENDER_TIMESTAMP("Render Fog"); + RD::get_singleton()->buffer_update(volumetric_fog.params_ubo, 0, sizeof(VolumetricFogShader::ParamsUBO), ¶ms, RD::BARRIER_MASK_COMPUTE); + + RD::ComputeListID compute_list = RD::get_singleton()->compute_list_begin(); + + RD::get_singleton()->compute_list_bind_compute_pipeline(compute_list, volumetric_fog.process_pipelines[using_sdfgi ? VolumetricFogShader::VOLUMETRIC_FOG_PROCESS_SHADER_DENSITY_WITH_SDFGI : VolumetricFogShader::VOLUMETRIC_FOG_PROCESS_SHADER_DENSITY]); + + RD::get_singleton()->compute_list_bind_uniform_set(compute_list, fog->process_uniform_set_density, 0); + + if (using_sdfgi) { + RD::get_singleton()->compute_list_bind_uniform_set(compute_list, fog->sdfgi_uniform_set, 1); + } + RD::get_singleton()->compute_list_dispatch_threads(compute_list, fog->width, fog->height, fog->depth); + RD::get_singleton()->compute_list_add_barrier(compute_list); + + // Copy fog to history buffer + if (RendererSceneRenderRD::get_singleton()->environment_get_volumetric_fog_temporal_reprojection(p_settings.env)) { + RD::get_singleton()->compute_list_bind_compute_pipeline(compute_list, volumetric_fog.process_pipelines[VolumetricFogShader::VOLUMETRIC_FOG_PROCESS_SHADER_COPY]); + RD::get_singleton()->compute_list_bind_uniform_set(compute_list, fog->copy_uniform_set, 0); + RD::get_singleton()->compute_list_dispatch_threads(compute_list, fog->width, fog->height, fog->depth); + RD::get_singleton()->compute_list_add_barrier(compute_list); + } + RD::get_singleton()->draw_command_end_label(); + + if (p_settings.volumetric_fog_filter_active) { + RD::get_singleton()->draw_command_begin_label("Filter Fog"); + + RENDER_TIMESTAMP("Filter Fog"); + + RD::get_singleton()->compute_list_bind_compute_pipeline(compute_list, volumetric_fog.process_pipelines[VolumetricFogShader::VOLUMETRIC_FOG_PROCESS_SHADER_FILTER]); + RD::get_singleton()->compute_list_bind_uniform_set(compute_list, fog->process_uniform_set, 0); + RD::get_singleton()->compute_list_dispatch_threads(compute_list, fog->width, fog->height, fog->depth); + + RD::get_singleton()->compute_list_end(); + //need restart for buffer update + + params.filter_axis = 1; + RD::get_singleton()->buffer_update(volumetric_fog.params_ubo, 0, sizeof(VolumetricFogShader::ParamsUBO), ¶ms); + + compute_list = RD::get_singleton()->compute_list_begin(); + RD::get_singleton()->compute_list_bind_compute_pipeline(compute_list, volumetric_fog.process_pipelines[VolumetricFogShader::VOLUMETRIC_FOG_PROCESS_SHADER_FILTER]); + RD::get_singleton()->compute_list_bind_uniform_set(compute_list, fog->process_uniform_set2, 0); + RD::get_singleton()->compute_list_dispatch_threads(compute_list, fog->width, fog->height, fog->depth); + + RD::get_singleton()->compute_list_add_barrier(compute_list); + RD::get_singleton()->draw_command_end_label(); + } + + RENDER_TIMESTAMP("Integrate Fog"); + RD::get_singleton()->draw_command_begin_label("Integrate Fog"); + + RD::get_singleton()->compute_list_bind_compute_pipeline(compute_list, volumetric_fog.process_pipelines[VolumetricFogShader::VOLUMETRIC_FOG_PROCESS_SHADER_FOG]); + RD::get_singleton()->compute_list_bind_uniform_set(compute_list, fog->process_uniform_set, 0); + RD::get_singleton()->compute_list_dispatch_threads(compute_list, fog->width, fog->height, 1); + + RD::get_singleton()->compute_list_end(RD::BARRIER_MASK_RASTER); + + RENDER_TIMESTAMP("< Volumetric Fog"); + RD::get_singleton()->draw_command_end_label(); + RD::get_singleton()->draw_command_end_label(); +} diff --git a/servers/rendering/renderer_rd/environment/fog.h b/servers/rendering/renderer_rd/environment/fog.h new file mode 100644 index 0000000000..0ade995758 --- /dev/null +++ b/servers/rendering/renderer_rd/environment/fog.h @@ -0,0 +1,360 @@ +/*************************************************************************/ +/* fog.h */ +/*************************************************************************/ +/* This file is part of: */ +/* GODOT ENGINE */ +/* https://godotengine.org */ +/*************************************************************************/ +/* Copyright (c) 2007-2022 Juan Linietsky, Ariel Manzur. */ +/* Copyright (c) 2014-2022 Godot Engine contributors (cf. AUTHORS.md). */ +/* */ +/* Permission is hereby granted, free of charge, to any person obtaining */ +/* a copy of this software and associated documentation files (the */ +/* "Software"), to deal in the Software without restriction, including */ +/* without limitation the rights to use, copy, modify, merge, publish, */ +/* distribute, sublicense, and/or sell copies of the Software, and to */ +/* permit persons to whom the Software is furnished to do so, subject to */ +/* the following conditions: */ +/* */ +/* The above copyright notice and this permission notice shall be */ +/* included in all copies or substantial portions of the Software. */ +/* */ +/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */ +/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */ +/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/ +/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */ +/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */ +/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */ +/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ +/*************************************************************************/ + +#ifndef FOG_RD_H +#define FOG_RD_H + +#include "core/templates/local_vector.h" +#include "core/templates/rid_owner.h" +#include "servers/rendering/environment/renderer_fog.h" +#include "servers/rendering/renderer_rd/cluster_builder_rd.h" +#include "servers/rendering/renderer_rd/environment/gi.h" +#include "servers/rendering/renderer_rd/shaders/environment/volumetric_fog.glsl.gen.h" +#include "servers/rendering/renderer_rd/shaders/environment/volumetric_fog_process.glsl.gen.h" +#include "servers/rendering/renderer_rd/storage_rd/render_buffer_custom_data_rd.h" +#include "servers/rendering/storage/utilities.h" + +#define RB_SCOPE_FOG SNAME("Fog") + +namespace RendererRD { + +class Fog : public RendererFog { +private: + static Fog *singleton; + + /* FOG VOLUMES */ + + struct FogVolume { + RID material; + Vector3 extents = Vector3(1, 1, 1); + + RS::FogVolumeShape shape = RS::FOG_VOLUME_SHAPE_BOX; + + Dependency dependency; + }; + + mutable RID_Owner<FogVolume, true> fog_volume_owner; + + struct FogVolumeInstance { + RID volume; + Transform3D transform; + bool active = false; + }; + + mutable RID_Owner<FogVolumeInstance> fog_volume_instance_owner; + + /* Volumetric Fog */ + struct VolumetricFogShader { + enum FogSet { + FOG_SET_BASE, + FOG_SET_UNIFORMS, + FOG_SET_MATERIAL, + FOG_SET_MAX, + }; + + struct FogPushConstant { + float position[3]; + float pad; + + float extents[3]; + float pad2; + + int32_t corner[3]; + uint32_t shape; + + float transform[16]; + }; + + struct VolumeUBO { + float fog_frustum_size_begin[2]; + float fog_frustum_size_end[2]; + + float fog_frustum_end; + float z_near; + float z_far; + float time; + + int32_t fog_volume_size[3]; + uint32_t directional_light_count; + + uint32_t use_temporal_reprojection; + uint32_t temporal_frame; + float detail_spread; + float temporal_blend; + + float to_prev_view[16]; + float transform[16]; + }; + + ShaderCompiler compiler; + VolumetricFogShaderRD shader; + RID volume_ubo; + + RID default_shader; + RID default_material; + RID default_shader_rd; + + RID base_uniform_set; + + RID params_ubo; + + enum { + VOLUMETRIC_FOG_PROCESS_SHADER_DENSITY, + VOLUMETRIC_FOG_PROCESS_SHADER_DENSITY_WITH_SDFGI, + VOLUMETRIC_FOG_PROCESS_SHADER_FILTER, + VOLUMETRIC_FOG_PROCESS_SHADER_FOG, + VOLUMETRIC_FOG_PROCESS_SHADER_COPY, + VOLUMETRIC_FOG_PROCESS_SHADER_MAX, + }; + + struct ParamsUBO { + float fog_frustum_size_begin[2]; + float fog_frustum_size_end[2]; + + float fog_frustum_end; + float ambient_inject; + float z_far; + uint32_t filter_axis; + + float ambient_color[3]; + float sky_contribution; + + int32_t fog_volume_size[3]; + uint32_t directional_light_count; + + float base_emission[3]; + float base_density; + + float base_scattering[3]; + float phase_g; + + float detail_spread; + float gi_inject; + uint32_t max_voxel_gi_instances; + uint32_t cluster_type_size; + + float screen_size[2]; + uint32_t cluster_shift; + uint32_t cluster_width; + + uint32_t max_cluster_element_count_div_32; + uint32_t use_temporal_reprojection; + uint32_t temporal_frame; + float temporal_blend; + + float cam_rotation[12]; + float to_prev_view[16]; + float radiance_inverse_xform[12]; + }; + + VolumetricFogProcessShaderRD process_shader; + + RID process_shader_version; + RID process_pipelines[VOLUMETRIC_FOG_PROCESS_SHADER_MAX]; + + } volumetric_fog; + + Vector3i _point_get_position_in_froxel_volume(const Vector3 &p_point, float fog_end, const Vector2 &fog_near_size, const Vector2 &fog_far_size, float volumetric_fog_detail_spread, const Vector3 &fog_size, const Transform3D &p_cam_transform); + + struct FogShaderData : public RendererRD::MaterialStorage::ShaderData { + bool valid = false; + RID version; + + RID pipeline; + HashMap<StringName, ShaderLanguage::ShaderNode::Uniform> uniforms; + Vector<ShaderCompiler::GeneratedCode::Texture> texture_uniforms; + + Vector<uint32_t> ubo_offsets; + uint32_t ubo_size = 0; + + String path; + String code; + HashMap<StringName, HashMap<int, RID>> default_texture_params; + + bool uses_time = false; + + virtual void set_path_hint(const String &p_hint); + virtual void set_code(const String &p_Code); + virtual void set_default_texture_parameter(const StringName &p_name, RID p_texture, int p_index); + virtual void get_shader_uniform_list(List<PropertyInfo> *p_param_list) const; + virtual void get_instance_param_list(List<RendererMaterialStorage::InstanceShaderParam> *p_param_list) const; + virtual bool is_parameter_texture(const StringName &p_param) const; + virtual bool is_animated() const; + virtual bool casts_shadows() const; + virtual Variant get_default_parameter(const StringName &p_parameter) const; + virtual RS::ShaderNativeSourceCode get_native_source_code() const; + + FogShaderData() {} + virtual ~FogShaderData(); + }; + + struct FogMaterialData : public RendererRD::MaterialStorage::MaterialData { + FogShaderData *shader_data = nullptr; + RID uniform_set; + bool uniform_set_updated; + + virtual void set_render_priority(int p_priority) {} + virtual void set_next_pass(RID p_pass) {} + virtual bool update_parameters(const HashMap<StringName, Variant> &p_parameters, bool p_uniform_dirty, bool p_textures_dirty); + virtual ~FogMaterialData(); + }; + + RendererRD::MaterialStorage::ShaderData *_create_fog_shader_func(); + static RendererRD::MaterialStorage::ShaderData *_create_fog_shader_funcs(); + + RendererRD::MaterialStorage::MaterialData *_create_fog_material_func(FogShaderData *p_shader); + static RendererRD::MaterialStorage::MaterialData *_create_fog_material_funcs(RendererRD::MaterialStorage::ShaderData *p_shader); + +public: + static Fog *get_singleton() { return singleton; } + + Fog(); + ~Fog(); + + /* FOG VOLUMES */ + + bool owns_fog_volume(RID p_rid) { return fog_volume_owner.owns(p_rid); }; + + virtual RID fog_volume_allocate() override; + virtual void fog_volume_initialize(RID p_rid) override; + virtual void fog_volume_free(RID p_rid) override; + Dependency *fog_volume_get_dependency(RID p_fog_volume) const; + + virtual void fog_volume_set_shape(RID p_fog_volume, RS::FogVolumeShape p_shape) override; + virtual void fog_volume_set_extents(RID p_fog_volume, const Vector3 &p_extents) override; + virtual void fog_volume_set_material(RID p_fog_volume, RID p_material) override; + virtual RS::FogVolumeShape fog_volume_get_shape(RID p_fog_volume) const override; + RID fog_volume_get_material(RID p_fog_volume) const; + virtual AABB fog_volume_get_aabb(RID p_fog_volume) const override; + Vector3 fog_volume_get_extents(RID p_fog_volume) const; + + /* FOG VOLUMES INSTANCE */ + + bool owns_fog_volume_instance(RID p_rid) { return fog_volume_instance_owner.owns(p_rid); }; + + RID fog_volume_instance_create(RID p_fog_volume); + void fog_instance_free(RID p_rid); + + void fog_volume_instance_set_transform(RID p_fog_volume_instance, const Transform3D &p_transform) { + Fog::FogVolumeInstance *fvi = fog_volume_instance_owner.get_or_null(p_fog_volume_instance); + ERR_FAIL_COND(!fvi); + fvi->transform = p_transform; + } + + void fog_volume_instance_set_active(RID p_fog_volume_instance, bool p_active) { + Fog::FogVolumeInstance *fvi = fog_volume_instance_owner.get_or_null(p_fog_volume_instance); + ERR_FAIL_COND(!fvi); + fvi->active = p_active; + } + + RID fog_volume_instance_get_volume(RID p_fog_volume_instance) const { + Fog::FogVolumeInstance *fvi = fog_volume_instance_owner.get_or_null(p_fog_volume_instance); + ERR_FAIL_COND_V(!fvi, RID()); + return fvi->volume; + } + + Vector3 fog_volume_instance_get_position(RID p_fog_volume_instance) const { + Fog::FogVolumeInstance *fvi = fog_volume_instance_owner.get_or_null(p_fog_volume_instance); + ERR_FAIL_COND_V(!fvi, Vector3()); + return fvi->transform.get_origin(); + } + + /* Volumetric FOG */ + class VolumetricFog : public RenderBufferCustomDataRD { + GDCLASS(VolumetricFog, RenderBufferCustomDataRD) + + public: + enum { + MAX_TEMPORAL_FRAMES = 16 + }; + + uint32_t width = 0; + uint32_t height = 0; + uint32_t depth = 0; + + float length; + float spread; + + RID light_density_map; + RID prev_light_density_map; + RID fog_map; + RID density_map; + RID light_map; + RID emissive_map; + + RID fog_uniform_set; + RID copy_uniform_set; + RID process_uniform_set_density; + RID process_uniform_set; + RID process_uniform_set2; + RID sdfgi_uniform_set; + RID sky_uniform_set; + + int last_shadow_filter = -1; + + virtual void configure(RenderSceneBuffersRD *p_render_buffers) override{}; + virtual void free_data() override{}; + + void init(const Vector3i &fog_size, RID p_sky_shader); + ~VolumetricFog(); + }; + + void init_fog_shader(uint32_t p_max_directional_lights, int p_roughness_layers, bool p_is_using_radiance_cubemap_array); + void free_fog_shader(); + + struct VolumetricFogSettings { + Vector2i rb_size; + double time; + bool is_using_radiance_cubemap_array; + uint32_t max_cluster_elements; + bool volumetric_fog_filter_active; + RID shadow_sampler; + RID voxel_gi_buffer; + RID shadow_atlas_depth; + RID omni_light_buffer; + RID spot_light_buffer; + RID directional_shadow_depth; + RID directional_light_buffer; + + // Objects related to our render buffer + Ref<VolumetricFog> vfog; + ClusterBuilderRD *cluster_builder; + GI *gi; + Ref<GI::SDFGI> sdfgi; + Ref<GI::RenderBuffersGI> rbgi; + RID env; + SkyRD *sky; + }; + void volumetric_fog_update(const VolumetricFogSettings &p_settings, const Projection &p_cam_projection, const Transform3D &p_cam_transform, const Transform3D &p_prev_cam_inv_transform, RID p_shadow_atlas, int p_directional_light_count, bool p_use_directional_shadows, int p_positional_light_count, int p_voxel_gi_count, const PagedArray<RID> &p_fog_volumes); +}; + +} // namespace RendererRD + +#endif // FOG_RD_H diff --git a/servers/rendering/renderer_rd/environment/gi.cpp b/servers/rendering/renderer_rd/environment/gi.cpp new file mode 100644 index 0000000000..550fe27e4c --- /dev/null +++ b/servers/rendering/renderer_rd/environment/gi.cpp @@ -0,0 +1,4082 @@ +/*************************************************************************/ +/* gi.cpp */ +/*************************************************************************/ +/* This file is part of: */ +/* GODOT ENGINE */ +/* https://godotengine.org */ +/*************************************************************************/ +/* Copyright (c) 2007-2022 Juan Linietsky, Ariel Manzur. */ +/* Copyright (c) 2014-2022 Godot Engine contributors (cf. AUTHORS.md). */ +/* */ +/* Permission is hereby granted, free of charge, to any person obtaining */ +/* a copy of this software and associated documentation files (the */ +/* "Software"), to deal in the Software without restriction, including */ +/* without limitation the rights to use, copy, modify, merge, publish, */ +/* distribute, sublicense, and/or sell copies of the Software, and to */ +/* permit persons to whom the Software is furnished to do so, subject to */ +/* the following conditions: */ +/* */ +/* The above copyright notice and this permission notice shall be */ +/* included in all copies or substantial portions of the Software. */ +/* */ +/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */ +/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */ +/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/ +/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */ +/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */ +/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */ +/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ +/*************************************************************************/ + +#include "gi.h" + +#include "core/config/project_settings.h" +#include "servers/rendering/renderer_rd/renderer_compositor_rd.h" +#include "servers/rendering/renderer_rd/renderer_scene_render_rd.h" +#include "servers/rendering/renderer_rd/storage_rd/material_storage.h" +#include "servers/rendering/renderer_rd/storage_rd/render_scene_buffers_rd.h" +#include "servers/rendering/renderer_rd/storage_rd/texture_storage.h" +#include "servers/rendering/rendering_server_default.h" + +using namespace RendererRD; + +const Vector3i GI::SDFGI::Cascade::DIRTY_ALL = Vector3i(0x7FFFFFFF, 0x7FFFFFFF, 0x7FFFFFFF); + +GI *GI::singleton = nullptr; + +//////////////////////////////////////////////////////////////////////////////// +// VOXEL GI STORAGE + +RID GI::voxel_gi_allocate() { + return voxel_gi_owner.allocate_rid(); +} + +void GI::voxel_gi_free(RID p_voxel_gi) { + voxel_gi_allocate_data(p_voxel_gi, Transform3D(), AABB(), Vector3i(), Vector<uint8_t>(), Vector<uint8_t>(), Vector<uint8_t>(), Vector<int>()); //deallocate + VoxelGI *voxel_gi = voxel_gi_owner.get_or_null(p_voxel_gi); + voxel_gi->dependency.deleted_notify(p_voxel_gi); + voxel_gi_owner.free(p_voxel_gi); +} + +void GI::voxel_gi_initialize(RID p_voxel_gi) { + voxel_gi_owner.initialize_rid(p_voxel_gi, VoxelGI()); +} + +void GI::voxel_gi_allocate_data(RID p_voxel_gi, const Transform3D &p_to_cell_xform, const AABB &p_aabb, const Vector3i &p_octree_size, const Vector<uint8_t> &p_octree_cells, const Vector<uint8_t> &p_data_cells, const Vector<uint8_t> &p_distance_field, const Vector<int> &p_level_counts) { + VoxelGI *voxel_gi = voxel_gi_owner.get_or_null(p_voxel_gi); + ERR_FAIL_COND(!voxel_gi); + + if (voxel_gi->octree_buffer.is_valid()) { + RD::get_singleton()->free(voxel_gi->octree_buffer); + RD::get_singleton()->free(voxel_gi->data_buffer); + if (voxel_gi->sdf_texture.is_valid()) { + RD::get_singleton()->free(voxel_gi->sdf_texture); + } + + voxel_gi->sdf_texture = RID(); + voxel_gi->octree_buffer = RID(); + voxel_gi->data_buffer = RID(); + voxel_gi->octree_buffer_size = 0; + voxel_gi->data_buffer_size = 0; + voxel_gi->cell_count = 0; + } + + voxel_gi->to_cell_xform = p_to_cell_xform; + voxel_gi->bounds = p_aabb; + voxel_gi->octree_size = p_octree_size; + voxel_gi->level_counts = p_level_counts; + + if (p_octree_cells.size()) { + ERR_FAIL_COND(p_octree_cells.size() % 32 != 0); //cells size must be a multiple of 32 + + uint32_t cell_count = p_octree_cells.size() / 32; + + ERR_FAIL_COND(p_data_cells.size() != (int)cell_count * 16); //see that data size matches + + voxel_gi->cell_count = cell_count; + voxel_gi->octree_buffer = RD::get_singleton()->storage_buffer_create(p_octree_cells.size(), p_octree_cells); + voxel_gi->octree_buffer_size = p_octree_cells.size(); + voxel_gi->data_buffer = RD::get_singleton()->storage_buffer_create(p_data_cells.size(), p_data_cells); + voxel_gi->data_buffer_size = p_data_cells.size(); + + if (p_distance_field.size()) { + RD::TextureFormat tf; + tf.format = RD::DATA_FORMAT_R8_UNORM; + tf.width = voxel_gi->octree_size.x; + tf.height = voxel_gi->octree_size.y; + tf.depth = voxel_gi->octree_size.z; + tf.texture_type = RD::TEXTURE_TYPE_3D; + tf.usage_bits = RD::TEXTURE_USAGE_SAMPLING_BIT | RD::TEXTURE_USAGE_CAN_UPDATE_BIT | RD::TEXTURE_USAGE_CAN_COPY_FROM_BIT; + Vector<Vector<uint8_t>> s; + s.push_back(p_distance_field); + voxel_gi->sdf_texture = RD::get_singleton()->texture_create(tf, RD::TextureView(), s); + RD::get_singleton()->set_resource_name(voxel_gi->sdf_texture, "VoxelGI SDF Texture"); + } +#if 0 + { + RD::TextureFormat tf; + tf.format = RD::DATA_FORMAT_R8_UNORM; + tf.width = voxel_gi->octree_size.x; + tf.height = voxel_gi->octree_size.y; + tf.depth = voxel_gi->octree_size.z; + tf.type = RD::TEXTURE_TYPE_3D; + tf.usage_bits = RD::TEXTURE_USAGE_SAMPLING_BIT | RD::TEXTURE_USAGE_STORAGE_BIT | RD::TEXTURE_USAGE_CAN_COPY_TO_BIT; + tf.shareable_formats.push_back(RD::DATA_FORMAT_R8_UNORM); + tf.shareable_formats.push_back(RD::DATA_FORMAT_R8_UINT); + voxel_gi->sdf_texture = RD::get_singleton()->texture_create(tf, RD::TextureView()); + RD::get_singleton()->set_resource_name(voxel_gi->sdf_texture, "VoxelGI SDF Texture"); + } + RID shared_tex; + { + RD::TextureView tv; + tv.format_override = RD::DATA_FORMAT_R8_UINT; + shared_tex = RD::get_singleton()->texture_create_shared(tv, voxel_gi->sdf_texture); + } + //update SDF texture + Vector<RD::Uniform> uniforms; + { + RD::Uniform u; + u.uniform_type = RD::UNIFORM_TYPE_STORAGE_BUFFER; + u.binding = 1; + u.append_id(voxel_gi->octree_buffer); + uniforms.push_back(u); + } + { + RD::Uniform u; + u.uniform_type = RD::UNIFORM_TYPE_STORAGE_BUFFER; + u.binding = 2; + u.append_id(voxel_gi->data_buffer); + uniforms.push_back(u); + } + { + RD::Uniform u; + u.uniform_type = RD::UNIFORM_TYPE_IMAGE; + u.binding = 3; + u.append_id(shared_tex); + uniforms.push_back(u); + } + + RID uniform_set = RD::get_singleton()->uniform_set_create(uniforms, voxel_gi_sdf_shader_version_shader, 0); + + { + uint32_t push_constant[4] = { 0, 0, 0, 0 }; + + for (int i = 0; i < voxel_gi->level_counts.size() - 1; i++) { + push_constant[0] += voxel_gi->level_counts[i]; + } + push_constant[1] = push_constant[0] + voxel_gi->level_counts[voxel_gi->level_counts.size() - 1]; + + print_line("offset: " + itos(push_constant[0])); + print_line("size: " + itos(push_constant[1])); + //create SDF + RD::ComputeListID compute_list = RD::get_singleton()->compute_list_begin(); + RD::get_singleton()->compute_list_bind_compute_pipeline(compute_list, voxel_gi_sdf_shader_pipeline); + RD::get_singleton()->compute_list_bind_uniform_set(compute_list, uniform_set, 0); + RD::get_singleton()->compute_list_set_push_constant(compute_list, push_constant, sizeof(uint32_t) * 4); + RD::get_singleton()->compute_list_dispatch(compute_list, voxel_gi->octree_size.x / 4, voxel_gi->octree_size.y / 4, voxel_gi->octree_size.z / 4); + RD::get_singleton()->compute_list_end(); + } + + RD::get_singleton()->free(uniform_set); + RD::get_singleton()->free(shared_tex); + } +#endif + } + + voxel_gi->version++; + voxel_gi->data_version++; + + voxel_gi->dependency.changed_notify(Dependency::DEPENDENCY_CHANGED_AABB); +} + +AABB GI::voxel_gi_get_bounds(RID p_voxel_gi) const { + VoxelGI *voxel_gi = voxel_gi_owner.get_or_null(p_voxel_gi); + ERR_FAIL_COND_V(!voxel_gi, AABB()); + + return voxel_gi->bounds; +} + +Vector3i GI::voxel_gi_get_octree_size(RID p_voxel_gi) const { + VoxelGI *voxel_gi = voxel_gi_owner.get_or_null(p_voxel_gi); + ERR_FAIL_COND_V(!voxel_gi, Vector3i()); + return voxel_gi->octree_size; +} + +Vector<uint8_t> GI::voxel_gi_get_octree_cells(RID p_voxel_gi) const { + VoxelGI *voxel_gi = voxel_gi_owner.get_or_null(p_voxel_gi); + ERR_FAIL_COND_V(!voxel_gi, Vector<uint8_t>()); + + if (voxel_gi->octree_buffer.is_valid()) { + return RD::get_singleton()->buffer_get_data(voxel_gi->octree_buffer); + } + return Vector<uint8_t>(); +} + +Vector<uint8_t> GI::voxel_gi_get_data_cells(RID p_voxel_gi) const { + VoxelGI *voxel_gi = voxel_gi_owner.get_or_null(p_voxel_gi); + ERR_FAIL_COND_V(!voxel_gi, Vector<uint8_t>()); + + if (voxel_gi->data_buffer.is_valid()) { + return RD::get_singleton()->buffer_get_data(voxel_gi->data_buffer); + } + return Vector<uint8_t>(); +} + +Vector<uint8_t> GI::voxel_gi_get_distance_field(RID p_voxel_gi) const { + VoxelGI *voxel_gi = voxel_gi_owner.get_or_null(p_voxel_gi); + ERR_FAIL_COND_V(!voxel_gi, Vector<uint8_t>()); + + if (voxel_gi->data_buffer.is_valid()) { + return RD::get_singleton()->texture_get_data(voxel_gi->sdf_texture, 0); + } + return Vector<uint8_t>(); +} + +Vector<int> GI::voxel_gi_get_level_counts(RID p_voxel_gi) const { + VoxelGI *voxel_gi = voxel_gi_owner.get_or_null(p_voxel_gi); + ERR_FAIL_COND_V(!voxel_gi, Vector<int>()); + + return voxel_gi->level_counts; +} + +Transform3D GI::voxel_gi_get_to_cell_xform(RID p_voxel_gi) const { + VoxelGI *voxel_gi = voxel_gi_owner.get_or_null(p_voxel_gi); + ERR_FAIL_COND_V(!voxel_gi, Transform3D()); + + return voxel_gi->to_cell_xform; +} + +void GI::voxel_gi_set_dynamic_range(RID p_voxel_gi, float p_range) { + VoxelGI *voxel_gi = voxel_gi_owner.get_or_null(p_voxel_gi); + ERR_FAIL_COND(!voxel_gi); + + voxel_gi->dynamic_range = p_range; + voxel_gi->version++; +} + +float GI::voxel_gi_get_dynamic_range(RID p_voxel_gi) const { + VoxelGI *voxel_gi = voxel_gi_owner.get_or_null(p_voxel_gi); + ERR_FAIL_COND_V(!voxel_gi, 0); + + return voxel_gi->dynamic_range; +} + +void GI::voxel_gi_set_propagation(RID p_voxel_gi, float p_range) { + VoxelGI *voxel_gi = voxel_gi_owner.get_or_null(p_voxel_gi); + ERR_FAIL_COND(!voxel_gi); + + voxel_gi->propagation = p_range; + voxel_gi->version++; +} + +float GI::voxel_gi_get_propagation(RID p_voxel_gi) const { + VoxelGI *voxel_gi = voxel_gi_owner.get_or_null(p_voxel_gi); + ERR_FAIL_COND_V(!voxel_gi, 0); + return voxel_gi->propagation; +} + +void GI::voxel_gi_set_energy(RID p_voxel_gi, float p_energy) { + VoxelGI *voxel_gi = voxel_gi_owner.get_or_null(p_voxel_gi); + ERR_FAIL_COND(!voxel_gi); + + voxel_gi->energy = p_energy; +} + +float GI::voxel_gi_get_energy(RID p_voxel_gi) const { + VoxelGI *voxel_gi = voxel_gi_owner.get_or_null(p_voxel_gi); + ERR_FAIL_COND_V(!voxel_gi, 0); + return voxel_gi->energy; +} + +void GI::voxel_gi_set_baked_exposure_normalization(RID p_voxel_gi, float p_baked_exposure) { + VoxelGI *voxel_gi = voxel_gi_owner.get_or_null(p_voxel_gi); + ERR_FAIL_COND(!voxel_gi); + + voxel_gi->baked_exposure = p_baked_exposure; +} + +float GI::voxel_gi_get_baked_exposure_normalization(RID p_voxel_gi) const { + VoxelGI *voxel_gi = voxel_gi_owner.get_or_null(p_voxel_gi); + ERR_FAIL_COND_V(!voxel_gi, 0); + return voxel_gi->baked_exposure; +} + +void GI::voxel_gi_set_bias(RID p_voxel_gi, float p_bias) { + VoxelGI *voxel_gi = voxel_gi_owner.get_or_null(p_voxel_gi); + ERR_FAIL_COND(!voxel_gi); + + voxel_gi->bias = p_bias; +} + +float GI::voxel_gi_get_bias(RID p_voxel_gi) const { + VoxelGI *voxel_gi = voxel_gi_owner.get_or_null(p_voxel_gi); + ERR_FAIL_COND_V(!voxel_gi, 0); + return voxel_gi->bias; +} + +void GI::voxel_gi_set_normal_bias(RID p_voxel_gi, float p_normal_bias) { + VoxelGI *voxel_gi = voxel_gi_owner.get_or_null(p_voxel_gi); + ERR_FAIL_COND(!voxel_gi); + + voxel_gi->normal_bias = p_normal_bias; +} + +float GI::voxel_gi_get_normal_bias(RID p_voxel_gi) const { + VoxelGI *voxel_gi = voxel_gi_owner.get_or_null(p_voxel_gi); + ERR_FAIL_COND_V(!voxel_gi, 0); + return voxel_gi->normal_bias; +} + +void GI::voxel_gi_set_interior(RID p_voxel_gi, bool p_enable) { + VoxelGI *voxel_gi = voxel_gi_owner.get_or_null(p_voxel_gi); + ERR_FAIL_COND(!voxel_gi); + + voxel_gi->interior = p_enable; +} + +void GI::voxel_gi_set_use_two_bounces(RID p_voxel_gi, bool p_enable) { + VoxelGI *voxel_gi = voxel_gi_owner.get_or_null(p_voxel_gi); + ERR_FAIL_COND(!voxel_gi); + + voxel_gi->use_two_bounces = p_enable; + voxel_gi->version++; +} + +bool GI::voxel_gi_is_using_two_bounces(RID p_voxel_gi) const { + VoxelGI *voxel_gi = voxel_gi_owner.get_or_null(p_voxel_gi); + ERR_FAIL_COND_V(!voxel_gi, false); + return voxel_gi->use_two_bounces; +} + +bool GI::voxel_gi_is_interior(RID p_voxel_gi) const { + VoxelGI *voxel_gi = voxel_gi_owner.get_or_null(p_voxel_gi); + ERR_FAIL_COND_V(!voxel_gi, 0); + return voxel_gi->interior; +} + +uint32_t GI::voxel_gi_get_version(RID p_voxel_gi) const { + VoxelGI *voxel_gi = voxel_gi_owner.get_or_null(p_voxel_gi); + ERR_FAIL_COND_V(!voxel_gi, 0); + return voxel_gi->version; +} + +uint32_t GI::voxel_gi_get_data_version(RID p_voxel_gi) { + VoxelGI *voxel_gi = voxel_gi_owner.get_or_null(p_voxel_gi); + ERR_FAIL_COND_V(!voxel_gi, 0); + return voxel_gi->data_version; +} + +RID GI::voxel_gi_get_octree_buffer(RID p_voxel_gi) const { + VoxelGI *voxel_gi = voxel_gi_owner.get_or_null(p_voxel_gi); + ERR_FAIL_COND_V(!voxel_gi, RID()); + return voxel_gi->octree_buffer; +} + +RID GI::voxel_gi_get_data_buffer(RID p_voxel_gi) const { + VoxelGI *voxel_gi = voxel_gi_owner.get_or_null(p_voxel_gi); + ERR_FAIL_COND_V(!voxel_gi, RID()); + return voxel_gi->data_buffer; +} + +RID GI::voxel_gi_get_sdf_texture(RID p_voxel_gi) { + VoxelGI *voxel_gi = voxel_gi_owner.get_or_null(p_voxel_gi); + ERR_FAIL_COND_V(!voxel_gi, RID()); + + return voxel_gi->sdf_texture; +} + +Dependency *GI::voxel_gi_get_dependency(RID p_voxel_gi) const { + VoxelGI *voxel_gi = voxel_gi_owner.get_or_null(p_voxel_gi); + ERR_FAIL_COND_V(!voxel_gi, nullptr); + + return &voxel_gi->dependency; +} + +//////////////////////////////////////////////////////////////////////////////// +// SDFGI + +void GI::SDFGI::create(RID p_env, const Vector3 &p_world_position, uint32_t p_requested_history_size, GI *p_gi) { + RendererRD::TextureStorage *texture_storage = RendererRD::TextureStorage::get_singleton(); + RendererRD::MaterialStorage *material_storage = RendererRD::MaterialStorage::get_singleton(); + + gi = p_gi; + num_cascades = RendererSceneRenderRD::get_singleton()->environment_get_sdfgi_cascades(p_env); + min_cell_size = RendererSceneRenderRD::get_singleton()->environment_get_sdfgi_min_cell_size(p_env); + uses_occlusion = RendererSceneRenderRD::get_singleton()->environment_get_sdfgi_use_occlusion(p_env); + y_scale_mode = RendererSceneRenderRD::get_singleton()->environment_get_sdfgi_y_scale(p_env); + static const float y_scale[3] = { 2.0, 1.5, 1.0 }; + y_mult = y_scale[y_scale_mode]; + cascades.resize(num_cascades); + probe_axis_count = SDFGI::PROBE_DIVISOR + 1; + solid_cell_ratio = gi->sdfgi_solid_cell_ratio; + solid_cell_count = uint32_t(float(cascade_size * cascade_size * cascade_size) * solid_cell_ratio); + + float base_cell_size = min_cell_size; + + RD::TextureFormat tf_sdf; + tf_sdf.format = RD::DATA_FORMAT_R8_UNORM; + tf_sdf.width = cascade_size; // Always 64x64 + tf_sdf.height = cascade_size; + tf_sdf.depth = cascade_size; + tf_sdf.texture_type = RD::TEXTURE_TYPE_3D; + tf_sdf.usage_bits = RD::TEXTURE_USAGE_SAMPLING_BIT | RD::TEXTURE_USAGE_STORAGE_BIT | RD::TEXTURE_USAGE_CAN_COPY_TO_BIT | RD::TEXTURE_USAGE_CAN_COPY_FROM_BIT; + + { + RD::TextureFormat tf_render = tf_sdf; + tf_render.format = RD::DATA_FORMAT_R16_UINT; + render_albedo = RD::get_singleton()->texture_create(tf_render, RD::TextureView()); + RD::get_singleton()->set_resource_name(render_albedo, "VoxelGI Render Albedo"); + tf_render.format = RD::DATA_FORMAT_R32_UINT; + render_emission = RD::get_singleton()->texture_create(tf_render, RD::TextureView()); + RD::get_singleton()->set_resource_name(render_emission, "VoxelGI Render Emission"); + render_emission_aniso = RD::get_singleton()->texture_create(tf_render, RD::TextureView()); + RD::get_singleton()->set_resource_name(render_emission_aniso, "VoxelGI Render Emission Aniso"); + + tf_render.format = RD::DATA_FORMAT_R8_UNORM; //at least its easy to visualize + + for (int i = 0; i < 8; i++) { + render_occlusion[i] = RD::get_singleton()->texture_create(tf_render, RD::TextureView()); + RD::get_singleton()->set_resource_name(render_occlusion[i], String("VoxelGI Render Occlusion ") + itos(i)); + } + + tf_render.format = RD::DATA_FORMAT_R32_UINT; + render_geom_facing = RD::get_singleton()->texture_create(tf_render, RD::TextureView()); + RD::get_singleton()->set_resource_name(render_geom_facing, "VoxelGI Render Geometry Facing"); + + tf_render.format = RD::DATA_FORMAT_R8G8B8A8_UINT; + render_sdf[0] = RD::get_singleton()->texture_create(tf_render, RD::TextureView()); + RD::get_singleton()->set_resource_name(render_sdf[0], "VoxelGI Render SDF 0"); + render_sdf[1] = RD::get_singleton()->texture_create(tf_render, RD::TextureView()); + RD::get_singleton()->set_resource_name(render_sdf[1], "VoxelGI Render SDF 1"); + + tf_render.width /= 2; + tf_render.height /= 2; + tf_render.depth /= 2; + + render_sdf_half[0] = RD::get_singleton()->texture_create(tf_render, RD::TextureView()); + RD::get_singleton()->set_resource_name(render_sdf_half[0], "VoxelGI Render SDF Half 0"); + render_sdf_half[1] = RD::get_singleton()->texture_create(tf_render, RD::TextureView()); + RD::get_singleton()->set_resource_name(render_sdf_half[1], "VoxelGI Render SDF Half 1"); + } + + RD::TextureFormat tf_occlusion = tf_sdf; + tf_occlusion.format = RD::DATA_FORMAT_R16_UINT; + tf_occlusion.shareable_formats.push_back(RD::DATA_FORMAT_R16_UINT); + tf_occlusion.shareable_formats.push_back(RD::DATA_FORMAT_R4G4B4A4_UNORM_PACK16); + tf_occlusion.depth *= cascades.size(); //use depth for occlusion slices + tf_occlusion.width *= 2; //use width for the other half + + RD::TextureFormat tf_light = tf_sdf; + tf_light.format = RD::DATA_FORMAT_R32_UINT; + tf_light.shareable_formats.push_back(RD::DATA_FORMAT_R32_UINT); + tf_light.shareable_formats.push_back(RD::DATA_FORMAT_E5B9G9R9_UFLOAT_PACK32); + + RD::TextureFormat tf_aniso0 = tf_sdf; + tf_aniso0.format = RD::DATA_FORMAT_R8G8B8A8_UNORM; + RD::TextureFormat tf_aniso1 = tf_sdf; + tf_aniso1.format = RD::DATA_FORMAT_R8G8_UNORM; + + int passes = nearest_shift(cascade_size) - 1; + + //store lightprobe SH + RD::TextureFormat tf_probes; + tf_probes.format = RD::DATA_FORMAT_R16G16B16A16_SFLOAT; + tf_probes.width = probe_axis_count * probe_axis_count; + tf_probes.height = probe_axis_count * SDFGI::SH_SIZE; + tf_probes.usage_bits = RD::TEXTURE_USAGE_SAMPLING_BIT | RD::TEXTURE_USAGE_STORAGE_BIT | RD::TEXTURE_USAGE_CAN_COPY_TO_BIT | RD::TEXTURE_USAGE_CAN_COPY_FROM_BIT; + tf_probes.texture_type = RD::TEXTURE_TYPE_2D_ARRAY; + + history_size = p_requested_history_size; + + RD::TextureFormat tf_probe_history = tf_probes; + tf_probe_history.format = RD::DATA_FORMAT_R16G16B16A16_SINT; //signed integer because SH are signed + tf_probe_history.array_layers = history_size; + + RD::TextureFormat tf_probe_average = tf_probes; + tf_probe_average.format = RD::DATA_FORMAT_R32G32B32A32_SINT; //signed integer because SH are signed + tf_probe_average.texture_type = RD::TEXTURE_TYPE_2D; + + lightprobe_history_scroll = RD::get_singleton()->texture_create(tf_probe_history, RD::TextureView()); + RD::get_singleton()->set_resource_name(lightprobe_history_scroll, "VoxelGI LightProbe History Scroll"); + lightprobe_average_scroll = RD::get_singleton()->texture_create(tf_probe_average, RD::TextureView()); + RD::get_singleton()->set_resource_name(lightprobe_average_scroll, "VoxelGI LightProbe Average Scroll"); + + { + //octahedral lightprobes + RD::TextureFormat tf_octprobes = tf_probes; + tf_octprobes.array_layers = cascades.size() * 2; + tf_octprobes.format = RD::DATA_FORMAT_R32_UINT; //pack well with RGBE + tf_octprobes.width = probe_axis_count * probe_axis_count * (SDFGI::LIGHTPROBE_OCT_SIZE + 2); + tf_octprobes.height = probe_axis_count * (SDFGI::LIGHTPROBE_OCT_SIZE + 2); + tf_octprobes.shareable_formats.push_back(RD::DATA_FORMAT_R32_UINT); + tf_octprobes.shareable_formats.push_back(RD::DATA_FORMAT_E5B9G9R9_UFLOAT_PACK32); + //lightprobe texture is an octahedral texture + + lightprobe_data = RD::get_singleton()->texture_create(tf_octprobes, RD::TextureView()); + RD::get_singleton()->set_resource_name(lightprobe_data, "VoxelGI LightProbe Data"); + RD::TextureView tv; + tv.format_override = RD::DATA_FORMAT_E5B9G9R9_UFLOAT_PACK32; + lightprobe_texture = RD::get_singleton()->texture_create_shared(tv, lightprobe_data); + + //texture handling ambient data, to integrate with volumetric foc + RD::TextureFormat tf_ambient = tf_probes; + tf_ambient.array_layers = cascades.size(); + tf_ambient.format = RD::DATA_FORMAT_R16G16B16A16_SFLOAT; //pack well with RGBE + tf_ambient.width = probe_axis_count * probe_axis_count; + tf_ambient.height = probe_axis_count; + tf_ambient.texture_type = RD::TEXTURE_TYPE_2D_ARRAY; + //lightprobe texture is an octahedral texture + ambient_texture = RD::get_singleton()->texture_create(tf_ambient, RD::TextureView()); + RD::get_singleton()->set_resource_name(ambient_texture, "VoxelGI Ambient Texture"); + } + + cascades_ubo = RD::get_singleton()->uniform_buffer_create(sizeof(SDFGI::Cascade::UBO) * SDFGI::MAX_CASCADES); + + occlusion_data = RD::get_singleton()->texture_create(tf_occlusion, RD::TextureView()); + RD::get_singleton()->set_resource_name(occlusion_data, "VoxelGI Occlusion Data"); + { + RD::TextureView tv; + tv.format_override = RD::DATA_FORMAT_R4G4B4A4_UNORM_PACK16; + occlusion_texture = RD::get_singleton()->texture_create_shared(tv, occlusion_data); + } + + for (uint32_t i = 0; i < cascades.size(); i++) { + SDFGI::Cascade &cascade = cascades[i]; + + /* 3D Textures */ + + cascade.sdf_tex = RD::get_singleton()->texture_create(tf_sdf, RD::TextureView()); + RD::get_singleton()->set_resource_name(cascade.sdf_tex, "VoxelGI Cascade SDF Texture"); + + cascade.light_data = RD::get_singleton()->texture_create(tf_light, RD::TextureView()); + RD::get_singleton()->set_resource_name(cascade.light_data, "VoxelGI Cascade Light Data"); + + cascade.light_aniso_0_tex = RD::get_singleton()->texture_create(tf_aniso0, RD::TextureView()); + RD::get_singleton()->set_resource_name(cascade.light_aniso_0_tex, "VoxelGI Cascade Light Aniso 0 Texture"); + cascade.light_aniso_1_tex = RD::get_singleton()->texture_create(tf_aniso1, RD::TextureView()); + RD::get_singleton()->set_resource_name(cascade.light_aniso_1_tex, "VoxelGI Cascade Light Aniso 1 Texture"); + + { + RD::TextureView tv; + tv.format_override = RD::DATA_FORMAT_E5B9G9R9_UFLOAT_PACK32; + cascade.light_tex = RD::get_singleton()->texture_create_shared(tv, cascade.light_data); + + RD::get_singleton()->texture_clear(cascade.light_tex, Color(0, 0, 0, 0), 0, 1, 0, 1); + RD::get_singleton()->texture_clear(cascade.light_aniso_0_tex, Color(0, 0, 0, 0), 0, 1, 0, 1); + RD::get_singleton()->texture_clear(cascade.light_aniso_1_tex, Color(0, 0, 0, 0), 0, 1, 0, 1); + } + + cascade.cell_size = base_cell_size; + Vector3 world_position = p_world_position; + world_position.y *= y_mult; + int32_t probe_cells = cascade_size / SDFGI::PROBE_DIVISOR; + Vector3 probe_size = Vector3(1, 1, 1) * cascade.cell_size * probe_cells; + Vector3i probe_pos = Vector3i((world_position / probe_size + Vector3(0.5, 0.5, 0.5)).floor()); + cascade.position = probe_pos * probe_cells; + + cascade.dirty_regions = SDFGI::Cascade::DIRTY_ALL; + + base_cell_size *= 2.0; + + /* Probe History */ + + cascade.lightprobe_history_tex = RD::get_singleton()->texture_create(tf_probe_history, RD::TextureView()); + RD::get_singleton()->set_resource_name(cascade.lightprobe_history_tex, "VoxelGI Cascade LightProbe History Texture"); + RD::get_singleton()->texture_clear(cascade.lightprobe_history_tex, Color(0, 0, 0, 0), 0, 1, 0, tf_probe_history.array_layers); //needs to be cleared for average to work + + cascade.lightprobe_average_tex = RD::get_singleton()->texture_create(tf_probe_average, RD::TextureView()); + RD::get_singleton()->set_resource_name(cascade.lightprobe_average_tex, "VoxelGI Cascade LightProbe Average Texture"); + RD::get_singleton()->texture_clear(cascade.lightprobe_average_tex, Color(0, 0, 0, 0), 0, 1, 0, 1); //needs to be cleared for average to work + + /* Buffers */ + + cascade.solid_cell_buffer = RD::get_singleton()->storage_buffer_create(sizeof(SDFGI::Cascade::SolidCell) * solid_cell_count); + cascade.solid_cell_dispatch_buffer = RD::get_singleton()->storage_buffer_create(sizeof(uint32_t) * 4, Vector<uint8_t>(), RD::STORAGE_BUFFER_USAGE_DISPATCH_INDIRECT); + cascade.lights_buffer = RD::get_singleton()->storage_buffer_create(sizeof(SDFGIShader::Light) * MAX(SDFGI::MAX_STATIC_LIGHTS, SDFGI::MAX_DYNAMIC_LIGHTS)); + { + Vector<RD::Uniform> uniforms; + { + RD::Uniform u; + u.uniform_type = RD::UNIFORM_TYPE_IMAGE; + u.binding = 1; + u.append_id(render_sdf[(passes & 1) ? 1 : 0]); //if passes are even, we read from buffer 0, else we read from buffer 1 + uniforms.push_back(u); + } + { + RD::Uniform u; + u.uniform_type = RD::UNIFORM_TYPE_IMAGE; + u.binding = 2; + u.append_id(render_albedo); + uniforms.push_back(u); + } + { + RD::Uniform u; + u.uniform_type = RD::UNIFORM_TYPE_IMAGE; + u.binding = 3; + for (int j = 0; j < 8; j++) { + u.append_id(render_occlusion[j]); + } + uniforms.push_back(u); + } + { + RD::Uniform u; + u.uniform_type = RD::UNIFORM_TYPE_IMAGE; + u.binding = 4; + u.append_id(render_emission); + uniforms.push_back(u); + } + { + RD::Uniform u; + u.uniform_type = RD::UNIFORM_TYPE_IMAGE; + u.binding = 5; + u.append_id(render_emission_aniso); + uniforms.push_back(u); + } + { + RD::Uniform u; + u.uniform_type = RD::UNIFORM_TYPE_IMAGE; + u.binding = 6; + u.append_id(render_geom_facing); + uniforms.push_back(u); + } + + { + RD::Uniform u; + u.uniform_type = RD::UNIFORM_TYPE_IMAGE; + u.binding = 7; + u.append_id(cascade.sdf_tex); + uniforms.push_back(u); + } + { + RD::Uniform u; + u.uniform_type = RD::UNIFORM_TYPE_IMAGE; + u.binding = 8; + u.append_id(occlusion_data); + uniforms.push_back(u); + } + { + RD::Uniform u; + u.uniform_type = RD::UNIFORM_TYPE_STORAGE_BUFFER; + u.binding = 10; + u.append_id(cascade.solid_cell_dispatch_buffer); + uniforms.push_back(u); + } + { + RD::Uniform u; + u.uniform_type = RD::UNIFORM_TYPE_STORAGE_BUFFER; + u.binding = 11; + u.append_id(cascade.solid_cell_buffer); + uniforms.push_back(u); + } + + cascade.sdf_store_uniform_set = RD::get_singleton()->uniform_set_create(uniforms, gi->sdfgi_shader.preprocess.version_get_shader(gi->sdfgi_shader.preprocess_shader, SDFGIShader::PRE_PROCESS_STORE), 0); + } + + { + Vector<RD::Uniform> uniforms; + { + RD::Uniform u; + u.uniform_type = RD::UNIFORM_TYPE_IMAGE; + u.binding = 1; + u.append_id(render_albedo); + uniforms.push_back(u); + } + { + RD::Uniform u; + u.uniform_type = RD::UNIFORM_TYPE_IMAGE; + u.binding = 2; + u.append_id(render_geom_facing); + uniforms.push_back(u); + } + { + RD::Uniform u; + u.uniform_type = RD::UNIFORM_TYPE_IMAGE; + u.binding = 3; + u.append_id(render_emission); + uniforms.push_back(u); + } + { + RD::Uniform u; + u.uniform_type = RD::UNIFORM_TYPE_IMAGE; + u.binding = 4; + u.append_id(render_emission_aniso); + uniforms.push_back(u); + } + { + RD::Uniform u; + u.uniform_type = RD::UNIFORM_TYPE_STORAGE_BUFFER; + u.binding = 5; + u.append_id(cascade.solid_cell_dispatch_buffer); + uniforms.push_back(u); + } + { + RD::Uniform u; + u.uniform_type = RD::UNIFORM_TYPE_STORAGE_BUFFER; + u.binding = 6; + u.append_id(cascade.solid_cell_buffer); + uniforms.push_back(u); + } + + cascade.scroll_uniform_set = RD::get_singleton()->uniform_set_create(uniforms, gi->sdfgi_shader.preprocess.version_get_shader(gi->sdfgi_shader.preprocess_shader, SDFGIShader::PRE_PROCESS_SCROLL), 0); + } + { + Vector<RD::Uniform> uniforms; + { + RD::Uniform u; + u.uniform_type = RD::UNIFORM_TYPE_IMAGE; + u.binding = 1; + for (int j = 0; j < 8; j++) { + u.append_id(render_occlusion[j]); + } + uniforms.push_back(u); + } + { + RD::Uniform u; + u.uniform_type = RD::UNIFORM_TYPE_IMAGE; + u.binding = 2; + u.append_id(occlusion_data); + uniforms.push_back(u); + } + + cascade.scroll_occlusion_uniform_set = RD::get_singleton()->uniform_set_create(uniforms, gi->sdfgi_shader.preprocess.version_get_shader(gi->sdfgi_shader.preprocess_shader, SDFGIShader::PRE_PROCESS_SCROLL_OCCLUSION), 0); + } + } + + //direct light + for (uint32_t i = 0; i < cascades.size(); i++) { + SDFGI::Cascade &cascade = cascades[i]; + + Vector<RD::Uniform> uniforms; + { + RD::Uniform u; + u.binding = 1; + u.uniform_type = RD::UNIFORM_TYPE_TEXTURE; + for (uint32_t j = 0; j < SDFGI::MAX_CASCADES; j++) { + if (j < cascades.size()) { + u.append_id(cascades[j].sdf_tex); + } else { + u.append_id(texture_storage->texture_rd_get_default(RendererRD::TextureStorage::DEFAULT_RD_TEXTURE_3D_WHITE)); + } + } + uniforms.push_back(u); + } + { + RD::Uniform u; + u.binding = 2; + u.uniform_type = RD::UNIFORM_TYPE_SAMPLER; + u.append_id(material_storage->sampler_rd_get_default(RS::CANVAS_ITEM_TEXTURE_FILTER_LINEAR, RS::CANVAS_ITEM_TEXTURE_REPEAT_DISABLED)); + uniforms.push_back(u); + } + { + RD::Uniform u; + u.binding = 3; + u.uniform_type = RD::UNIFORM_TYPE_STORAGE_BUFFER; + u.append_id(cascade.solid_cell_dispatch_buffer); + uniforms.push_back(u); + } + { + RD::Uniform u; + u.binding = 4; + u.uniform_type = RD::UNIFORM_TYPE_STORAGE_BUFFER; + u.append_id(cascade.solid_cell_buffer); + uniforms.push_back(u); + } + { + RD::Uniform u; + u.binding = 5; + u.uniform_type = RD::UNIFORM_TYPE_IMAGE; + u.append_id(cascade.light_data); + uniforms.push_back(u); + } + { + RD::Uniform u; + u.binding = 6; + u.uniform_type = RD::UNIFORM_TYPE_IMAGE; + u.append_id(cascade.light_aniso_0_tex); + uniforms.push_back(u); + } + { + RD::Uniform u; + u.binding = 7; + u.uniform_type = RD::UNIFORM_TYPE_IMAGE; + u.append_id(cascade.light_aniso_1_tex); + uniforms.push_back(u); + } + { + RD::Uniform u; + u.binding = 8; + u.uniform_type = RD::UNIFORM_TYPE_UNIFORM_BUFFER; + u.append_id(cascades_ubo); + uniforms.push_back(u); + } + { + RD::Uniform u; + u.binding = 9; + u.uniform_type = RD::UNIFORM_TYPE_STORAGE_BUFFER; + u.append_id(cascade.lights_buffer); + uniforms.push_back(u); + } + { + RD::Uniform u; + u.binding = 10; + u.uniform_type = RD::UNIFORM_TYPE_TEXTURE; + u.append_id(lightprobe_texture); + uniforms.push_back(u); + } + { + RD::Uniform u; + u.binding = 11; + u.uniform_type = RD::UNIFORM_TYPE_TEXTURE; + u.append_id(occlusion_texture); + uniforms.push_back(u); + } + + cascade.sdf_direct_light_static_uniform_set = RD::get_singleton()->uniform_set_create(uniforms, gi->sdfgi_shader.direct_light.version_get_shader(gi->sdfgi_shader.direct_light_shader, SDFGIShader::DIRECT_LIGHT_MODE_STATIC), 0); + cascade.sdf_direct_light_dynamic_uniform_set = RD::get_singleton()->uniform_set_create(uniforms, gi->sdfgi_shader.direct_light.version_get_shader(gi->sdfgi_shader.direct_light_shader, SDFGIShader::DIRECT_LIGHT_MODE_DYNAMIC), 0); + } + + //preprocess initialize uniform set + { + Vector<RD::Uniform> uniforms; + { + RD::Uniform u; + u.uniform_type = RD::UNIFORM_TYPE_IMAGE; + u.binding = 1; + u.append_id(render_albedo); + uniforms.push_back(u); + } + { + RD::Uniform u; + u.uniform_type = RD::UNIFORM_TYPE_IMAGE; + u.binding = 2; + u.append_id(render_sdf[0]); + uniforms.push_back(u); + } + + sdf_initialize_uniform_set = RD::get_singleton()->uniform_set_create(uniforms, gi->sdfgi_shader.preprocess.version_get_shader(gi->sdfgi_shader.preprocess_shader, SDFGIShader::PRE_PROCESS_JUMP_FLOOD_INITIALIZE), 0); + } + + { + Vector<RD::Uniform> uniforms; + { + RD::Uniform u; + u.uniform_type = RD::UNIFORM_TYPE_IMAGE; + u.binding = 1; + u.append_id(render_albedo); + uniforms.push_back(u); + } + { + RD::Uniform u; + u.uniform_type = RD::UNIFORM_TYPE_IMAGE; + u.binding = 2; + u.append_id(render_sdf_half[0]); + uniforms.push_back(u); + } + + sdf_initialize_half_uniform_set = RD::get_singleton()->uniform_set_create(uniforms, gi->sdfgi_shader.preprocess.version_get_shader(gi->sdfgi_shader.preprocess_shader, SDFGIShader::PRE_PROCESS_JUMP_FLOOD_INITIALIZE_HALF), 0); + } + + //jump flood uniform set + { + Vector<RD::Uniform> uniforms; + { + RD::Uniform u; + u.uniform_type = RD::UNIFORM_TYPE_IMAGE; + u.binding = 1; + u.append_id(render_sdf[0]); + uniforms.push_back(u); + } + { + RD::Uniform u; + u.uniform_type = RD::UNIFORM_TYPE_IMAGE; + u.binding = 2; + u.append_id(render_sdf[1]); + uniforms.push_back(u); + } + + jump_flood_uniform_set[0] = RD::get_singleton()->uniform_set_create(uniforms, gi->sdfgi_shader.preprocess.version_get_shader(gi->sdfgi_shader.preprocess_shader, SDFGIShader::PRE_PROCESS_JUMP_FLOOD), 0); + RID aux0 = uniforms.write[0].get_id(0); + RID aux1 = uniforms.write[1].get_id(0); + uniforms.write[0].set_id(0, aux1); + uniforms.write[1].set_id(0, aux0); + jump_flood_uniform_set[1] = RD::get_singleton()->uniform_set_create(uniforms, gi->sdfgi_shader.preprocess.version_get_shader(gi->sdfgi_shader.preprocess_shader, SDFGIShader::PRE_PROCESS_JUMP_FLOOD), 0); + } + //jump flood half uniform set + { + Vector<RD::Uniform> uniforms; + { + RD::Uniform u; + u.uniform_type = RD::UNIFORM_TYPE_IMAGE; + u.binding = 1; + u.append_id(render_sdf_half[0]); + uniforms.push_back(u); + } + { + RD::Uniform u; + u.uniform_type = RD::UNIFORM_TYPE_IMAGE; + u.binding = 2; + u.append_id(render_sdf_half[1]); + uniforms.push_back(u); + } + + jump_flood_half_uniform_set[0] = RD::get_singleton()->uniform_set_create(uniforms, gi->sdfgi_shader.preprocess.version_get_shader(gi->sdfgi_shader.preprocess_shader, SDFGIShader::PRE_PROCESS_JUMP_FLOOD), 0); + RID aux0 = uniforms.write[0].get_id(0); + RID aux1 = uniforms.write[1].get_id(0); + uniforms.write[0].set_id(0, aux1); + uniforms.write[1].set_id(0, aux0); + jump_flood_half_uniform_set[1] = RD::get_singleton()->uniform_set_create(uniforms, gi->sdfgi_shader.preprocess.version_get_shader(gi->sdfgi_shader.preprocess_shader, SDFGIShader::PRE_PROCESS_JUMP_FLOOD), 0); + } + + //upscale half size sdf + { + Vector<RD::Uniform> uniforms; + { + RD::Uniform u; + u.uniform_type = RD::UNIFORM_TYPE_IMAGE; + u.binding = 1; + u.append_id(render_albedo); + uniforms.push_back(u); + } + { + RD::Uniform u; + u.uniform_type = RD::UNIFORM_TYPE_IMAGE; + u.binding = 2; + u.append_id(render_sdf_half[(passes & 1) ? 0 : 1]); //reverse pass order because half size + uniforms.push_back(u); + } + { + RD::Uniform u; + u.uniform_type = RD::UNIFORM_TYPE_IMAGE; + u.binding = 3; + u.append_id(render_sdf[(passes & 1) ? 0 : 1]); //reverse pass order because it needs an extra JFA pass + uniforms.push_back(u); + } + + upscale_jfa_uniform_set_index = (passes & 1) ? 0 : 1; + sdf_upscale_uniform_set = RD::get_singleton()->uniform_set_create(uniforms, gi->sdfgi_shader.preprocess.version_get_shader(gi->sdfgi_shader.preprocess_shader, SDFGIShader::PRE_PROCESS_JUMP_FLOOD_UPSCALE), 0); + } + + //occlusion uniform set + { + Vector<RD::Uniform> uniforms; + { + RD::Uniform u; + u.uniform_type = RD::UNIFORM_TYPE_IMAGE; + u.binding = 1; + u.append_id(render_albedo); + uniforms.push_back(u); + } + { + RD::Uniform u; + u.uniform_type = RD::UNIFORM_TYPE_IMAGE; + u.binding = 2; + for (int i = 0; i < 8; i++) { + u.append_id(render_occlusion[i]); + } + uniforms.push_back(u); + } + { + RD::Uniform u; + u.uniform_type = RD::UNIFORM_TYPE_IMAGE; + u.binding = 3; + u.append_id(render_geom_facing); + uniforms.push_back(u); + } + + occlusion_uniform_set = RD::get_singleton()->uniform_set_create(uniforms, gi->sdfgi_shader.preprocess.version_get_shader(gi->sdfgi_shader.preprocess_shader, SDFGIShader::PRE_PROCESS_OCCLUSION), 0); + } + + for (uint32_t i = 0; i < cascades.size(); i++) { + //integrate uniform + + Vector<RD::Uniform> uniforms; + + { + RD::Uniform u; + u.binding = 1; + u.uniform_type = RD::UNIFORM_TYPE_TEXTURE; + for (uint32_t j = 0; j < SDFGI::MAX_CASCADES; j++) { + if (j < cascades.size()) { + u.append_id(cascades[j].sdf_tex); + } else { + u.append_id(texture_storage->texture_rd_get_default(RendererRD::TextureStorage::DEFAULT_RD_TEXTURE_3D_WHITE)); + } + } + uniforms.push_back(u); + } + { + RD::Uniform u; + u.binding = 2; + u.uniform_type = RD::UNIFORM_TYPE_TEXTURE; + for (uint32_t j = 0; j < SDFGI::MAX_CASCADES; j++) { + if (j < cascades.size()) { + u.append_id(cascades[j].light_tex); + } else { + u.append_id(texture_storage->texture_rd_get_default(RendererRD::TextureStorage::DEFAULT_RD_TEXTURE_3D_WHITE)); + } + } + uniforms.push_back(u); + } + { + RD::Uniform u; + u.binding = 3; + u.uniform_type = RD::UNIFORM_TYPE_TEXTURE; + for (uint32_t j = 0; j < SDFGI::MAX_CASCADES; j++) { + if (j < cascades.size()) { + u.append_id(cascades[j].light_aniso_0_tex); + } else { + u.append_id(texture_storage->texture_rd_get_default(RendererRD::TextureStorage::DEFAULT_RD_TEXTURE_3D_WHITE)); + } + } + uniforms.push_back(u); + } + { + RD::Uniform u; + u.binding = 4; + u.uniform_type = RD::UNIFORM_TYPE_TEXTURE; + for (uint32_t j = 0; j < SDFGI::MAX_CASCADES; j++) { + if (j < cascades.size()) { + u.append_id(cascades[j].light_aniso_1_tex); + } else { + u.append_id(texture_storage->texture_rd_get_default(RendererRD::TextureStorage::DEFAULT_RD_TEXTURE_3D_WHITE)); + } + } + uniforms.push_back(u); + } + { + RD::Uniform u; + u.uniform_type = RD::UNIFORM_TYPE_SAMPLER; + u.binding = 6; + u.append_id(material_storage->sampler_rd_get_default(RS::CANVAS_ITEM_TEXTURE_FILTER_LINEAR, RS::CANVAS_ITEM_TEXTURE_REPEAT_DISABLED)); + uniforms.push_back(u); + } + + { + RD::Uniform u; + u.uniform_type = RD::UNIFORM_TYPE_UNIFORM_BUFFER; + u.binding = 7; + u.append_id(cascades_ubo); + uniforms.push_back(u); + } + { + RD::Uniform u; + u.uniform_type = RD::UNIFORM_TYPE_IMAGE; + u.binding = 8; + u.append_id(lightprobe_data); + uniforms.push_back(u); + } + + { + RD::Uniform u; + u.uniform_type = RD::UNIFORM_TYPE_IMAGE; + u.binding = 9; + u.append_id(cascades[i].lightprobe_history_tex); + uniforms.push_back(u); + } + { + RD::Uniform u; + u.uniform_type = RD::UNIFORM_TYPE_IMAGE; + u.binding = 10; + u.append_id(cascades[i].lightprobe_average_tex); + uniforms.push_back(u); + } + + { + RD::Uniform u; + u.uniform_type = RD::UNIFORM_TYPE_IMAGE; + u.binding = 11; + u.append_id(lightprobe_history_scroll); + uniforms.push_back(u); + } + { + RD::Uniform u; + u.uniform_type = RD::UNIFORM_TYPE_IMAGE; + u.binding = 12; + u.append_id(lightprobe_average_scroll); + uniforms.push_back(u); + } + { + RD::Uniform u; + u.uniform_type = RD::UNIFORM_TYPE_IMAGE; + u.binding = 13; + RID parent_average; + if (cascades.size() == 1) { + // If there is only one SDFGI cascade, we can't use the previous cascade for blending. + parent_average = cascades[i].lightprobe_average_tex; + } else if (i < cascades.size() - 1) { + parent_average = cascades[i + 1].lightprobe_average_tex; + } else { + parent_average = cascades[i - 1].lightprobe_average_tex; //to use something, but it won't be used + } + u.append_id(parent_average); + uniforms.push_back(u); + } + { + RD::Uniform u; + u.uniform_type = RD::UNIFORM_TYPE_IMAGE; + u.binding = 14; + u.append_id(ambient_texture); + uniforms.push_back(u); + } + + cascades[i].integrate_uniform_set = RD::get_singleton()->uniform_set_create(uniforms, gi->sdfgi_shader.integrate.version_get_shader(gi->sdfgi_shader.integrate_shader, 0), 0); + } + + bounce_feedback = RendererSceneRenderRD::get_singleton()->environment_get_sdfgi_bounce_feedback(p_env); + energy = RendererSceneRenderRD::get_singleton()->environment_get_sdfgi_energy(p_env); + normal_bias = RendererSceneRenderRD::get_singleton()->environment_get_sdfgi_normal_bias(p_env); + probe_bias = RendererSceneRenderRD::get_singleton()->environment_get_sdfgi_probe_bias(p_env); + reads_sky = RendererSceneRenderRD::get_singleton()->environment_get_sdfgi_read_sky_light(p_env); +} + +void GI::SDFGI::free_data() { + // we don't free things here, we handle SDFGI differently at the moment destructing the object when it needs to change. +} + +GI::SDFGI::~SDFGI() { + for (uint32_t i = 0; i < cascades.size(); i++) { + const SDFGI::Cascade &c = cascades[i]; + RD::get_singleton()->free(c.light_data); + RD::get_singleton()->free(c.light_aniso_0_tex); + RD::get_singleton()->free(c.light_aniso_1_tex); + RD::get_singleton()->free(c.sdf_tex); + RD::get_singleton()->free(c.solid_cell_dispatch_buffer); + RD::get_singleton()->free(c.solid_cell_buffer); + RD::get_singleton()->free(c.lightprobe_history_tex); + RD::get_singleton()->free(c.lightprobe_average_tex); + RD::get_singleton()->free(c.lights_buffer); + } + + RD::get_singleton()->free(render_albedo); + RD::get_singleton()->free(render_emission); + RD::get_singleton()->free(render_emission_aniso); + + RD::get_singleton()->free(render_sdf[0]); + RD::get_singleton()->free(render_sdf[1]); + + RD::get_singleton()->free(render_sdf_half[0]); + RD::get_singleton()->free(render_sdf_half[1]); + + for (int i = 0; i < 8; i++) { + RD::get_singleton()->free(render_occlusion[i]); + } + + RD::get_singleton()->free(render_geom_facing); + + RD::get_singleton()->free(lightprobe_data); + RD::get_singleton()->free(lightprobe_history_scroll); + RD::get_singleton()->free(lightprobe_average_scroll); + RD::get_singleton()->free(occlusion_data); + RD::get_singleton()->free(ambient_texture); + + RD::get_singleton()->free(cascades_ubo); + + for (uint32_t v = 0; v < RendererSceneRender::MAX_RENDER_VIEWS; v++) { + if (RD::get_singleton()->uniform_set_is_valid(debug_uniform_set[v])) { + RD::get_singleton()->free(debug_uniform_set[v]); + } + debug_uniform_set[v] = RID(); + } + + if (RD::get_singleton()->uniform_set_is_valid(debug_probes_uniform_set)) { + RD::get_singleton()->free(debug_probes_uniform_set); + } + debug_probes_uniform_set = RID(); + + if (debug_probes_scene_data_ubo.is_valid()) { + RD::get_singleton()->free(debug_probes_scene_data_ubo); + debug_probes_scene_data_ubo = RID(); + } +} + +void GI::SDFGI::update(RID p_env, const Vector3 &p_world_position) { + bounce_feedback = RendererSceneRenderRD::get_singleton()->environment_get_sdfgi_bounce_feedback(p_env); + energy = RendererSceneRenderRD::get_singleton()->environment_get_sdfgi_energy(p_env); + normal_bias = RendererSceneRenderRD::get_singleton()->environment_get_sdfgi_normal_bias(p_env); + probe_bias = RendererSceneRenderRD::get_singleton()->environment_get_sdfgi_probe_bias(p_env); + reads_sky = RendererSceneRenderRD::get_singleton()->environment_get_sdfgi_read_sky_light(p_env); + + int32_t drag_margin = (cascade_size / SDFGI::PROBE_DIVISOR) / 2; + + for (uint32_t i = 0; i < cascades.size(); i++) { + SDFGI::Cascade &cascade = cascades[i]; + cascade.dirty_regions = Vector3i(); + + Vector3 probe_half_size = Vector3(1, 1, 1) * cascade.cell_size * float(cascade_size / SDFGI::PROBE_DIVISOR) * 0.5; + probe_half_size = Vector3(0, 0, 0); + + Vector3 world_position = p_world_position; + world_position.y *= y_mult; + Vector3i pos_in_cascade = Vector3i((world_position + probe_half_size) / cascade.cell_size); + + for (int j = 0; j < 3; j++) { + if (pos_in_cascade[j] < cascade.position[j]) { + while (pos_in_cascade[j] < (cascade.position[j] - drag_margin)) { + cascade.position[j] -= drag_margin * 2; + cascade.dirty_regions[j] += drag_margin * 2; + } + } else if (pos_in_cascade[j] > cascade.position[j]) { + while (pos_in_cascade[j] > (cascade.position[j] + drag_margin)) { + cascade.position[j] += drag_margin * 2; + cascade.dirty_regions[j] -= drag_margin * 2; + } + } + + if (cascade.dirty_regions[j] == 0) { + continue; // not dirty + } else if (uint32_t(ABS(cascade.dirty_regions[j])) >= cascade_size) { + //moved too much, just redraw everything (make all dirty) + cascade.dirty_regions = SDFGI::Cascade::DIRTY_ALL; + break; + } + } + + if (cascade.dirty_regions != Vector3i() && cascade.dirty_regions != SDFGI::Cascade::DIRTY_ALL) { + //see how much the total dirty volume represents from the total volume + uint32_t total_volume = cascade_size * cascade_size * cascade_size; + uint32_t safe_volume = 1; + for (int j = 0; j < 3; j++) { + safe_volume *= cascade_size - ABS(cascade.dirty_regions[j]); + } + uint32_t dirty_volume = total_volume - safe_volume; + if (dirty_volume > (safe_volume / 2)) { + //more than half the volume is dirty, make all dirty so its only rendered once + cascade.dirty_regions = SDFGI::Cascade::DIRTY_ALL; + } + } + } +} + +void GI::SDFGI::update_light() { + RD::get_singleton()->draw_command_begin_label("SDFGI Update dynamic Light"); + + /* Update dynamic light */ + + RD::ComputeListID compute_list = RD::get_singleton()->compute_list_begin(); + RD::get_singleton()->compute_list_bind_compute_pipeline(compute_list, gi->sdfgi_shader.direct_light_pipeline[SDFGIShader::DIRECT_LIGHT_MODE_DYNAMIC]); + + SDFGIShader::DirectLightPushConstant push_constant; + + push_constant.grid_size[0] = cascade_size; + push_constant.grid_size[1] = cascade_size; + push_constant.grid_size[2] = cascade_size; + push_constant.max_cascades = cascades.size(); + push_constant.probe_axis_size = probe_axis_count; + push_constant.bounce_feedback = bounce_feedback; + push_constant.y_mult = y_mult; + push_constant.use_occlusion = uses_occlusion; + + for (uint32_t i = 0; i < cascades.size(); i++) { + SDFGI::Cascade &cascade = cascades[i]; + push_constant.light_count = cascade_dynamic_light_count[i]; + push_constant.cascade = i; + + if (cascades[i].all_dynamic_lights_dirty || gi->sdfgi_frames_to_update_light == RS::ENV_SDFGI_UPDATE_LIGHT_IN_1_FRAME) { + push_constant.process_offset = 0; + push_constant.process_increment = 1; + } else { + static const uint32_t frames_to_update_table[RS::ENV_SDFGI_UPDATE_LIGHT_MAX] = { + 1, 2, 4, 8, 16 + }; + + uint32_t frames_to_update = frames_to_update_table[gi->sdfgi_frames_to_update_light]; + + push_constant.process_offset = RSG::rasterizer->get_frame_number() % frames_to_update; + push_constant.process_increment = frames_to_update; + } + cascades[i].all_dynamic_lights_dirty = false; + + RD::get_singleton()->compute_list_bind_uniform_set(compute_list, cascade.sdf_direct_light_dynamic_uniform_set, 0); + RD::get_singleton()->compute_list_set_push_constant(compute_list, &push_constant, sizeof(SDFGIShader::DirectLightPushConstant)); + RD::get_singleton()->compute_list_dispatch_indirect(compute_list, cascade.solid_cell_dispatch_buffer, 0); + } + RD::get_singleton()->compute_list_end(RD::BARRIER_MASK_COMPUTE); + RD::get_singleton()->draw_command_end_label(); +} + +void GI::SDFGI::update_probes(RID p_env, SkyRD::Sky *p_sky) { + RD::get_singleton()->draw_command_begin_label("SDFGI Update Probes"); + + SDFGIShader::IntegratePushConstant push_constant; + push_constant.grid_size[1] = cascade_size; + push_constant.grid_size[2] = cascade_size; + push_constant.grid_size[0] = cascade_size; + push_constant.max_cascades = cascades.size(); + push_constant.probe_axis_size = probe_axis_count; + push_constant.history_index = render_pass % history_size; + push_constant.history_size = history_size; + static const uint32_t ray_count[RS::ENV_SDFGI_RAY_COUNT_MAX] = { 4, 8, 16, 32, 64, 96, 128 }; + push_constant.ray_count = ray_count[gi->sdfgi_ray_count]; + push_constant.ray_bias = probe_bias; + push_constant.image_size[0] = probe_axis_count * probe_axis_count; + push_constant.image_size[1] = probe_axis_count; + push_constant.store_ambient_texture = RendererSceneRenderRD::get_singleton()->environment_get_volumetric_fog_enabled(p_env); + + RID sky_uniform_set = gi->sdfgi_shader.integrate_default_sky_uniform_set; + push_constant.sky_mode = SDFGIShader::IntegratePushConstant::SKY_MODE_DISABLED; + push_constant.y_mult = y_mult; + + if (reads_sky && p_env.is_valid()) { + push_constant.sky_energy = RendererSceneRenderRD::get_singleton()->environment_get_bg_energy_multiplier(p_env); + + if (RendererSceneRenderRD::get_singleton()->environment_get_background(p_env) == RS::ENV_BG_CLEAR_COLOR) { + push_constant.sky_mode = SDFGIShader::IntegratePushConstant::SKY_MODE_COLOR; + Color c = RSG::texture_storage->get_default_clear_color().srgb_to_linear(); + push_constant.sky_color[0] = c.r; + push_constant.sky_color[1] = c.g; + push_constant.sky_color[2] = c.b; + } else if (RendererSceneRenderRD::get_singleton()->environment_get_background(p_env) == RS::ENV_BG_COLOR) { + push_constant.sky_mode = SDFGIShader::IntegratePushConstant::SKY_MODE_COLOR; + Color c = RendererSceneRenderRD::get_singleton()->environment_get_bg_color(p_env); + push_constant.sky_color[0] = c.r; + push_constant.sky_color[1] = c.g; + push_constant.sky_color[2] = c.b; + + } else if (RendererSceneRenderRD::get_singleton()->environment_get_background(p_env) == RS::ENV_BG_SKY) { + if (p_sky && p_sky->radiance.is_valid()) { + if (integrate_sky_uniform_set.is_null() || !RD::get_singleton()->uniform_set_is_valid(integrate_sky_uniform_set)) { + Vector<RD::Uniform> uniforms; + + { + RD::Uniform u; + u.uniform_type = RD::UNIFORM_TYPE_TEXTURE; + u.binding = 0; + u.append_id(p_sky->radiance); + uniforms.push_back(u); + } + + { + RD::Uniform u; + u.uniform_type = RD::UNIFORM_TYPE_SAMPLER; + u.binding = 1; + u.append_id(RendererRD::MaterialStorage::get_singleton()->sampler_rd_get_default(RS::CANVAS_ITEM_TEXTURE_FILTER_LINEAR_WITH_MIPMAPS, RS::CANVAS_ITEM_TEXTURE_REPEAT_DISABLED)); + uniforms.push_back(u); + } + + integrate_sky_uniform_set = RD::get_singleton()->uniform_set_create(uniforms, gi->sdfgi_shader.integrate.version_get_shader(gi->sdfgi_shader.integrate_shader, 0), 1); + } + sky_uniform_set = integrate_sky_uniform_set; + push_constant.sky_mode = SDFGIShader::IntegratePushConstant::SKY_MODE_SKY; + } + } + } + + render_pass++; + + RD::ComputeListID compute_list = RD::get_singleton()->compute_list_begin(true); + RD::get_singleton()->compute_list_bind_compute_pipeline(compute_list, gi->sdfgi_shader.integrate_pipeline[SDFGIShader::INTEGRATE_MODE_PROCESS]); + + int32_t probe_divisor = cascade_size / SDFGI::PROBE_DIVISOR; + for (uint32_t i = 0; i < cascades.size(); i++) { + push_constant.cascade = i; + push_constant.world_offset[0] = cascades[i].position.x / probe_divisor; + push_constant.world_offset[1] = cascades[i].position.y / probe_divisor; + push_constant.world_offset[2] = cascades[i].position.z / probe_divisor; + + RD::get_singleton()->compute_list_bind_uniform_set(compute_list, cascades[i].integrate_uniform_set, 0); + RD::get_singleton()->compute_list_bind_uniform_set(compute_list, sky_uniform_set, 1); + + RD::get_singleton()->compute_list_set_push_constant(compute_list, &push_constant, sizeof(SDFGIShader::IntegratePushConstant)); + RD::get_singleton()->compute_list_dispatch_threads(compute_list, probe_axis_count * probe_axis_count, probe_axis_count, 1); + } + + //end later after raster to avoid barriering on layout changes + //RD::get_singleton()->compute_list_end(RD::BARRIER_MASK_NO_BARRIER); + + RD::get_singleton()->draw_command_end_label(); +} + +void GI::SDFGI::store_probes() { + RD::get_singleton()->barrier(RD::BARRIER_MASK_COMPUTE, RD::BARRIER_MASK_COMPUTE); + RD::get_singleton()->draw_command_begin_label("SDFGI Store Probes"); + + SDFGIShader::IntegratePushConstant push_constant; + push_constant.grid_size[1] = cascade_size; + push_constant.grid_size[2] = cascade_size; + push_constant.grid_size[0] = cascade_size; + push_constant.max_cascades = cascades.size(); + push_constant.probe_axis_size = probe_axis_count; + push_constant.history_index = render_pass % history_size; + push_constant.history_size = history_size; + static const uint32_t ray_count[RS::ENV_SDFGI_RAY_COUNT_MAX] = { 4, 8, 16, 32, 64, 96, 128 }; + push_constant.ray_count = ray_count[gi->sdfgi_ray_count]; + push_constant.ray_bias = probe_bias; + push_constant.image_size[0] = probe_axis_count * probe_axis_count; + push_constant.image_size[1] = probe_axis_count; + push_constant.store_ambient_texture = false; + + push_constant.sky_mode = 0; + push_constant.y_mult = y_mult; + + // Then store values into the lightprobe texture. Separating these steps has a small performance hit, but it allows for multiple bounces + RENDER_TIMESTAMP("Average SDFGI Probes"); + + RD::ComputeListID compute_list = RD::get_singleton()->compute_list_begin(); + RD::get_singleton()->compute_list_bind_compute_pipeline(compute_list, gi->sdfgi_shader.integrate_pipeline[SDFGIShader::INTEGRATE_MODE_STORE]); + + //convert to octahedral to store + push_constant.image_size[0] *= SDFGI::LIGHTPROBE_OCT_SIZE; + push_constant.image_size[1] *= SDFGI::LIGHTPROBE_OCT_SIZE; + + for (uint32_t i = 0; i < cascades.size(); i++) { + push_constant.cascade = i; + RD::get_singleton()->compute_list_bind_uniform_set(compute_list, cascades[i].integrate_uniform_set, 0); + RD::get_singleton()->compute_list_bind_uniform_set(compute_list, gi->sdfgi_shader.integrate_default_sky_uniform_set, 1); + RD::get_singleton()->compute_list_set_push_constant(compute_list, &push_constant, sizeof(SDFGIShader::IntegratePushConstant)); + RD::get_singleton()->compute_list_dispatch_threads(compute_list, probe_axis_count * probe_axis_count * SDFGI::LIGHTPROBE_OCT_SIZE, probe_axis_count * SDFGI::LIGHTPROBE_OCT_SIZE, 1); + } + + RD::get_singleton()->compute_list_end(RD::BARRIER_MASK_COMPUTE); + + RD::get_singleton()->draw_command_end_label(); +} + +int GI::SDFGI::get_pending_region_data(int p_region, Vector3i &r_local_offset, Vector3i &r_local_size, AABB &r_bounds) const { + int dirty_count = 0; + for (uint32_t i = 0; i < cascades.size(); i++) { + const SDFGI::Cascade &c = cascades[i]; + + if (c.dirty_regions == SDFGI::Cascade::DIRTY_ALL) { + if (dirty_count == p_region) { + r_local_offset = Vector3i(); + r_local_size = Vector3i(1, 1, 1) * cascade_size; + + r_bounds.position = Vector3((Vector3i(1, 1, 1) * -int32_t(cascade_size >> 1) + c.position)) * c.cell_size * Vector3(1, 1.0 / y_mult, 1); + r_bounds.size = Vector3(r_local_size) * c.cell_size * Vector3(1, 1.0 / y_mult, 1); + return i; + } + dirty_count++; + } else { + for (int j = 0; j < 3; j++) { + if (c.dirty_regions[j] != 0) { + if (dirty_count == p_region) { + Vector3i from = Vector3i(0, 0, 0); + Vector3i to = Vector3i(1, 1, 1) * cascade_size; + + if (c.dirty_regions[j] > 0) { + //fill from the beginning + to[j] = c.dirty_regions[j]; + } else { + //fill from the end + from[j] = to[j] + c.dirty_regions[j]; + } + + for (int k = 0; k < j; k++) { + // "chip" away previous regions to avoid re-voxelizing the same thing + if (c.dirty_regions[k] > 0) { + from[k] += c.dirty_regions[k]; + } else if (c.dirty_regions[k] < 0) { + to[k] += c.dirty_regions[k]; + } + } + + r_local_offset = from; + r_local_size = to - from; + + r_bounds.position = Vector3(from + Vector3i(1, 1, 1) * -int32_t(cascade_size >> 1) + c.position) * c.cell_size * Vector3(1, 1.0 / y_mult, 1); + r_bounds.size = Vector3(r_local_size) * c.cell_size * Vector3(1, 1.0 / y_mult, 1); + + return i; + } + + dirty_count++; + } + } + } + } + return -1; +} + +void GI::SDFGI::update_cascades() { + //update cascades + SDFGI::Cascade::UBO cascade_data[SDFGI::MAX_CASCADES]; + int32_t probe_divisor = cascade_size / SDFGI::PROBE_DIVISOR; + + for (uint32_t i = 0; i < cascades.size(); i++) { + Vector3 pos = Vector3((Vector3i(1, 1, 1) * -int32_t(cascade_size >> 1) + cascades[i].position)) * cascades[i].cell_size; + + cascade_data[i].offset[0] = pos.x; + cascade_data[i].offset[1] = pos.y; + cascade_data[i].offset[2] = pos.z; + cascade_data[i].to_cell = 1.0 / cascades[i].cell_size; + cascade_data[i].probe_offset[0] = cascades[i].position.x / probe_divisor; + cascade_data[i].probe_offset[1] = cascades[i].position.y / probe_divisor; + cascade_data[i].probe_offset[2] = cascades[i].position.z / probe_divisor; + cascade_data[i].pad = 0; + } + + RD::get_singleton()->buffer_update(cascades_ubo, 0, sizeof(SDFGI::Cascade::UBO) * SDFGI::MAX_CASCADES, cascade_data, RD::BARRIER_MASK_COMPUTE); +} + +void GI::SDFGI::debug_draw(uint32_t p_view_count, const Projection *p_projections, const Transform3D &p_transform, int p_width, int p_height, RID p_render_target, RID p_texture, const Vector<RID> &p_texture_views) { + RendererRD::TextureStorage *texture_storage = RendererRD::TextureStorage::get_singleton(); + RendererRD::MaterialStorage *material_storage = RendererRD::MaterialStorage::get_singleton(); + RendererRD::CopyEffects *copy_effects = RendererRD::CopyEffects::get_singleton(); + + for (uint32_t v = 0; v < p_view_count; v++) { + if (!debug_uniform_set[v].is_valid() || !RD::get_singleton()->uniform_set_is_valid(debug_uniform_set[v])) { + Vector<RD::Uniform> uniforms; + { + RD::Uniform u; + u.binding = 1; + u.uniform_type = RD::UNIFORM_TYPE_TEXTURE; + for (uint32_t i = 0; i < SDFGI::MAX_CASCADES; i++) { + if (i < cascades.size()) { + u.append_id(cascades[i].sdf_tex); + } else { + u.append_id(texture_storage->texture_rd_get_default(RendererRD::TextureStorage::DEFAULT_RD_TEXTURE_3D_WHITE)); + } + } + uniforms.push_back(u); + } + { + RD::Uniform u; + u.binding = 2; + u.uniform_type = RD::UNIFORM_TYPE_TEXTURE; + for (uint32_t i = 0; i < SDFGI::MAX_CASCADES; i++) { + if (i < cascades.size()) { + u.append_id(cascades[i].light_tex); + } else { + u.append_id(texture_storage->texture_rd_get_default(RendererRD::TextureStorage::DEFAULT_RD_TEXTURE_3D_WHITE)); + } + } + uniforms.push_back(u); + } + { + RD::Uniform u; + u.binding = 3; + u.uniform_type = RD::UNIFORM_TYPE_TEXTURE; + for (uint32_t i = 0; i < SDFGI::MAX_CASCADES; i++) { + if (i < cascades.size()) { + u.append_id(cascades[i].light_aniso_0_tex); + } else { + u.append_id(texture_storage->texture_rd_get_default(RendererRD::TextureStorage::DEFAULT_RD_TEXTURE_3D_WHITE)); + } + } + uniforms.push_back(u); + } + { + RD::Uniform u; + u.binding = 4; + u.uniform_type = RD::UNIFORM_TYPE_TEXTURE; + for (uint32_t i = 0; i < SDFGI::MAX_CASCADES; i++) { + if (i < cascades.size()) { + u.append_id(cascades[i].light_aniso_1_tex); + } else { + u.append_id(texture_storage->texture_rd_get_default(RendererRD::TextureStorage::DEFAULT_RD_TEXTURE_3D_WHITE)); + } + } + uniforms.push_back(u); + } + { + RD::Uniform u; + u.binding = 5; + u.uniform_type = RD::UNIFORM_TYPE_TEXTURE; + u.append_id(occlusion_texture); + uniforms.push_back(u); + } + { + RD::Uniform u; + u.binding = 8; + u.uniform_type = RD::UNIFORM_TYPE_SAMPLER; + u.append_id(material_storage->sampler_rd_get_default(RS::CANVAS_ITEM_TEXTURE_FILTER_LINEAR, RS::CANVAS_ITEM_TEXTURE_REPEAT_DISABLED)); + uniforms.push_back(u); + } + { + RD::Uniform u; + u.binding = 9; + u.uniform_type = RD::UNIFORM_TYPE_UNIFORM_BUFFER; + u.append_id(cascades_ubo); + uniforms.push_back(u); + } + { + RD::Uniform u; + u.binding = 10; + u.uniform_type = RD::UNIFORM_TYPE_IMAGE; + u.append_id(p_texture_views[v]); + uniforms.push_back(u); + } + { + RD::Uniform u; + u.binding = 11; + u.uniform_type = RD::UNIFORM_TYPE_TEXTURE; + u.append_id(lightprobe_texture); + uniforms.push_back(u); + } + debug_uniform_set[v] = RD::get_singleton()->uniform_set_create(uniforms, gi->sdfgi_shader.debug_shader_version, 0); + } + + RD::ComputeListID compute_list = RD::get_singleton()->compute_list_begin(); + RD::get_singleton()->compute_list_bind_compute_pipeline(compute_list, gi->sdfgi_shader.debug_pipeline); + RD::get_singleton()->compute_list_bind_uniform_set(compute_list, debug_uniform_set[v], 0); + + SDFGIShader::DebugPushConstant push_constant; + push_constant.grid_size[0] = cascade_size; + push_constant.grid_size[1] = cascade_size; + push_constant.grid_size[2] = cascade_size; + push_constant.max_cascades = cascades.size(); + push_constant.screen_size[0] = p_width; + push_constant.screen_size[1] = p_height; + push_constant.y_mult = y_mult; + + push_constant.z_near = -p_projections[v].get_z_near(); + + for (int i = 0; i < 3; i++) { + for (int j = 0; j < 3; j++) { + push_constant.cam_basis[i][j] = p_transform.basis.rows[j][i]; + } + } + push_constant.cam_origin[0] = p_transform.origin[0]; + push_constant.cam_origin[1] = p_transform.origin[1]; + push_constant.cam_origin[2] = p_transform.origin[2]; + + // need to properly unproject for asymmetric projection matrices in stereo.. + Projection inv_projection = p_projections[v].inverse(); + for (int i = 0; i < 4; i++) { + for (int j = 0; j < 3; j++) { + push_constant.inv_projection[j][i] = inv_projection.columns[i][j]; + } + } + + RD::get_singleton()->compute_list_set_push_constant(compute_list, &push_constant, sizeof(SDFGIShader::DebugPushConstant)); + + RD::get_singleton()->compute_list_dispatch_threads(compute_list, p_width, p_height, 1); + RD::get_singleton()->compute_list_end(); + } + + Size2i rtsize = texture_storage->render_target_get_size(p_render_target); + copy_effects->copy_to_fb_rect(p_texture, texture_storage->render_target_get_rd_framebuffer(p_render_target), Rect2i(Point2i(), rtsize), true, false, false, false, RID(), p_view_count > 1); +} + +void GI::SDFGI::debug_probes(RID p_framebuffer, const uint32_t p_view_count, const Projection *p_camera_with_transforms, bool p_will_continue_color, bool p_will_continue_depth) { + RendererRD::MaterialStorage *material_storage = RendererRD::MaterialStorage::get_singleton(); + + // setup scene data + { + SDFGIShader::DebugProbesSceneData scene_data; + + if (debug_probes_scene_data_ubo.is_null()) { + debug_probes_scene_data_ubo = RD::get_singleton()->uniform_buffer_create(sizeof(SDFGIShader::DebugProbesSceneData)); + } + + for (uint32_t v = 0; v < p_view_count; v++) { + RendererRD::MaterialStorage::store_camera(p_camera_with_transforms[v], scene_data.projection[v]); + } + + RD::get_singleton()->buffer_update(debug_probes_scene_data_ubo, 0, sizeof(SDFGIShader::DebugProbesSceneData), &scene_data, RD::BARRIER_MASK_RASTER); + } + + // setup push constant + SDFGIShader::DebugProbesPushConstant push_constant; + + //gen spheres from strips + uint32_t band_points = 16; + push_constant.band_power = 4; + push_constant.sections_in_band = ((band_points / 2) - 1); + push_constant.band_mask = band_points - 2; + push_constant.section_arc = Math_TAU / float(push_constant.sections_in_band); + push_constant.y_mult = y_mult; + + uint32_t total_points = push_constant.sections_in_band * band_points; + uint32_t total_probes = probe_axis_count * probe_axis_count * probe_axis_count; + + push_constant.grid_size[0] = cascade_size; + push_constant.grid_size[1] = cascade_size; + push_constant.grid_size[2] = cascade_size; + push_constant.cascade = 0; + + push_constant.probe_axis_size = probe_axis_count; + + if (!debug_probes_uniform_set.is_valid() || !RD::get_singleton()->uniform_set_is_valid(debug_probes_uniform_set)) { + Vector<RD::Uniform> uniforms; + { + RD::Uniform u; + u.binding = 1; + u.uniform_type = RD::UNIFORM_TYPE_UNIFORM_BUFFER; + u.append_id(cascades_ubo); + uniforms.push_back(u); + } + { + RD::Uniform u; + u.binding = 2; + u.uniform_type = RD::UNIFORM_TYPE_TEXTURE; + u.append_id(lightprobe_texture); + uniforms.push_back(u); + } + { + RD::Uniform u; + u.binding = 3; + u.uniform_type = RD::UNIFORM_TYPE_SAMPLER; + u.append_id(material_storage->sampler_rd_get_default(RS::CANVAS_ITEM_TEXTURE_FILTER_LINEAR, RS::CANVAS_ITEM_TEXTURE_REPEAT_DISABLED)); + uniforms.push_back(u); + } + { + RD::Uniform u; + u.binding = 4; + u.uniform_type = RD::UNIFORM_TYPE_TEXTURE; + u.append_id(occlusion_texture); + uniforms.push_back(u); + } + { + RD::Uniform u; + u.binding = 5; + u.uniform_type = RD::UNIFORM_TYPE_UNIFORM_BUFFER; + u.append_id(debug_probes_scene_data_ubo); + uniforms.push_back(u); + } + + debug_probes_uniform_set = RD::get_singleton()->uniform_set_create(uniforms, gi->sdfgi_shader.debug_probes.version_get_shader(gi->sdfgi_shader.debug_probes_shader, 0), 0); + } + + SDFGIShader::ProbeDebugMode mode = p_view_count > 1 ? SDFGIShader::PROBE_DEBUG_PROBES_MULTIVIEW : SDFGIShader::PROBE_DEBUG_PROBES; + + RD::DrawListID draw_list = RD::get_singleton()->draw_list_begin(p_framebuffer, RD::INITIAL_ACTION_CONTINUE, p_will_continue_color ? RD::FINAL_ACTION_CONTINUE : RD::FINAL_ACTION_READ, RD::INITIAL_ACTION_CONTINUE, p_will_continue_depth ? RD::FINAL_ACTION_CONTINUE : RD::FINAL_ACTION_READ); + RD::get_singleton()->draw_command_begin_label("Debug SDFGI"); + + RD::get_singleton()->draw_list_bind_render_pipeline(draw_list, gi->sdfgi_shader.debug_probes_pipeline[mode].get_render_pipeline(RD::INVALID_FORMAT_ID, RD::get_singleton()->framebuffer_get_format(p_framebuffer))); + RD::get_singleton()->draw_list_bind_uniform_set(draw_list, debug_probes_uniform_set, 0); + RD::get_singleton()->draw_list_set_push_constant(draw_list, &push_constant, sizeof(SDFGIShader::DebugProbesPushConstant)); + RD::get_singleton()->draw_list_draw(draw_list, false, total_probes, total_points); + + if (gi->sdfgi_debug_probe_dir != Vector3()) { + uint32_t cascade = 0; + Vector3 offset = Vector3((Vector3i(1, 1, 1) * -int32_t(cascade_size >> 1) + cascades[cascade].position)) * cascades[cascade].cell_size * Vector3(1.0, 1.0 / y_mult, 1.0); + Vector3 probe_size = cascades[cascade].cell_size * (cascade_size / SDFGI::PROBE_DIVISOR) * Vector3(1.0, 1.0 / y_mult, 1.0); + Vector3 ray_from = gi->sdfgi_debug_probe_pos; + Vector3 ray_to = gi->sdfgi_debug_probe_pos + gi->sdfgi_debug_probe_dir * cascades[cascade].cell_size * Math::sqrt(3.0) * cascade_size; + float sphere_radius = 0.2; + float closest_dist = 1e20; + gi->sdfgi_debug_probe_enabled = false; + + Vector3i probe_from = cascades[cascade].position / (cascade_size / SDFGI::PROBE_DIVISOR); + for (int i = 0; i < (SDFGI::PROBE_DIVISOR + 1); i++) { + for (int j = 0; j < (SDFGI::PROBE_DIVISOR + 1); j++) { + for (int k = 0; k < (SDFGI::PROBE_DIVISOR + 1); k++) { + Vector3 pos = offset + probe_size * Vector3(i, j, k); + Vector3 res; + if (Geometry3D::segment_intersects_sphere(ray_from, ray_to, pos, sphere_radius, &res)) { + float d = ray_from.distance_to(res); + if (d < closest_dist) { + closest_dist = d; + gi->sdfgi_debug_probe_enabled = true; + gi->sdfgi_debug_probe_index = probe_from + Vector3i(i, j, k); + } + } + } + } + } + + gi->sdfgi_debug_probe_dir = Vector3(); + } + + if (gi->sdfgi_debug_probe_enabled) { + uint32_t cascade = 0; + uint32_t probe_cells = (cascade_size / SDFGI::PROBE_DIVISOR); + Vector3i probe_from = cascades[cascade].position / probe_cells; + Vector3i ofs = gi->sdfgi_debug_probe_index - probe_from; + if (ofs.x < 0 || ofs.y < 0 || ofs.z < 0) { + return; + } + if (ofs.x > SDFGI::PROBE_DIVISOR || ofs.y > SDFGI::PROBE_DIVISOR || ofs.z > SDFGI::PROBE_DIVISOR) { + return; + } + + uint32_t mult = (SDFGI::PROBE_DIVISOR + 1); + uint32_t index = ofs.z * mult * mult + ofs.y * mult + ofs.x; + + push_constant.probe_debug_index = index; + + uint32_t cell_count = probe_cells * 2 * probe_cells * 2 * probe_cells * 2; + + RD::get_singleton()->draw_list_bind_render_pipeline(draw_list, gi->sdfgi_shader.debug_probes_pipeline[p_view_count > 1 ? SDFGIShader::PROBE_DEBUG_VISIBILITY_MULTIVIEW : SDFGIShader::PROBE_DEBUG_VISIBILITY].get_render_pipeline(RD::INVALID_FORMAT_ID, RD::get_singleton()->framebuffer_get_format(p_framebuffer))); + RD::get_singleton()->draw_list_bind_uniform_set(draw_list, debug_probes_uniform_set, 0); + RD::get_singleton()->draw_list_set_push_constant(draw_list, &push_constant, sizeof(SDFGIShader::DebugProbesPushConstant)); + RD::get_singleton()->draw_list_draw(draw_list, false, cell_count, total_points); + } + + RD::get_singleton()->draw_command_end_label(); + RD::get_singleton()->draw_list_end(); +} + +void GI::SDFGI::pre_process_gi(const Transform3D &p_transform, RenderDataRD *p_render_data) { + RendererRD::LightStorage *light_storage = RendererRD::LightStorage::get_singleton(); + /* Update general SDFGI Buffer */ + + SDFGIData sdfgi_data; + + sdfgi_data.grid_size[0] = cascade_size; + sdfgi_data.grid_size[1] = cascade_size; + sdfgi_data.grid_size[2] = cascade_size; + + sdfgi_data.max_cascades = cascades.size(); + sdfgi_data.probe_axis_size = probe_axis_count; + sdfgi_data.cascade_probe_size[0] = sdfgi_data.probe_axis_size - 1; //float version for performance + sdfgi_data.cascade_probe_size[1] = sdfgi_data.probe_axis_size - 1; + sdfgi_data.cascade_probe_size[2] = sdfgi_data.probe_axis_size - 1; + + float csize = cascade_size; + sdfgi_data.probe_to_uvw = 1.0 / float(sdfgi_data.cascade_probe_size[0]); + sdfgi_data.use_occlusion = uses_occlusion; + //sdfgi_data.energy = energy; + + sdfgi_data.y_mult = y_mult; + + float cascade_voxel_size = (csize / sdfgi_data.cascade_probe_size[0]); + float occlusion_clamp = (cascade_voxel_size - 0.5) / cascade_voxel_size; + sdfgi_data.occlusion_clamp[0] = occlusion_clamp; + sdfgi_data.occlusion_clamp[1] = occlusion_clamp; + sdfgi_data.occlusion_clamp[2] = occlusion_clamp; + sdfgi_data.normal_bias = (normal_bias / csize) * sdfgi_data.cascade_probe_size[0]; + + //vec2 tex_pixel_size = 1.0 / vec2(ivec2( (OCT_SIZE+2) * params.probe_axis_size * params.probe_axis_size, (OCT_SIZE+2) * params.probe_axis_size ) ); + //vec3 probe_uv_offset = (ivec3(OCT_SIZE+2,OCT_SIZE+2,(OCT_SIZE+2) * params.probe_axis_size)) * tex_pixel_size.xyx; + + uint32_t oct_size = SDFGI::LIGHTPROBE_OCT_SIZE; + + sdfgi_data.lightprobe_tex_pixel_size[0] = 1.0 / ((oct_size + 2) * sdfgi_data.probe_axis_size * sdfgi_data.probe_axis_size); + sdfgi_data.lightprobe_tex_pixel_size[1] = 1.0 / ((oct_size + 2) * sdfgi_data.probe_axis_size); + sdfgi_data.lightprobe_tex_pixel_size[2] = 1.0; + + sdfgi_data.energy = energy; + + sdfgi_data.lightprobe_uv_offset[0] = float(oct_size + 2) * sdfgi_data.lightprobe_tex_pixel_size[0]; + sdfgi_data.lightprobe_uv_offset[1] = float(oct_size + 2) * sdfgi_data.lightprobe_tex_pixel_size[1]; + sdfgi_data.lightprobe_uv_offset[2] = float((oct_size + 2) * sdfgi_data.probe_axis_size) * sdfgi_data.lightprobe_tex_pixel_size[0]; + + sdfgi_data.occlusion_renormalize[0] = 0.5; + sdfgi_data.occlusion_renormalize[1] = 1.0; + sdfgi_data.occlusion_renormalize[2] = 1.0 / float(sdfgi_data.max_cascades); + + int32_t probe_divisor = cascade_size / SDFGI::PROBE_DIVISOR; + + for (uint32_t i = 0; i < sdfgi_data.max_cascades; i++) { + SDFGIData::ProbeCascadeData &c = sdfgi_data.cascades[i]; + Vector3 pos = Vector3((Vector3i(1, 1, 1) * -int32_t(cascade_size >> 1) + cascades[i].position)) * cascades[i].cell_size; + Vector3 cam_origin = p_transform.origin; + cam_origin.y *= y_mult; + pos -= cam_origin; //make pos local to camera, to reduce numerical error + c.position[0] = pos.x; + c.position[1] = pos.y; + c.position[2] = pos.z; + c.to_probe = 1.0 / (float(cascade_size) * cascades[i].cell_size / float(probe_axis_count - 1)); + + Vector3i probe_ofs = cascades[i].position / probe_divisor; + c.probe_world_offset[0] = probe_ofs.x; + c.probe_world_offset[1] = probe_ofs.y; + c.probe_world_offset[2] = probe_ofs.z; + + c.to_cell = 1.0 / cascades[i].cell_size; + c.exposure_normalization = 1.0; + if (p_render_data->camera_attributes.is_valid()) { + float exposure_normalization = RSG::camera_attributes->camera_attributes_get_exposure_normalization_factor(p_render_data->camera_attributes); + c.exposure_normalization = exposure_normalization / cascades[i].baked_exposure_normalization; + } + } + + RD::get_singleton()->buffer_update(gi->sdfgi_ubo, 0, sizeof(SDFGIData), &sdfgi_data, RD::BARRIER_MASK_COMPUTE); + + /* Update dynamic lights in SDFGI cascades */ + + for (uint32_t i = 0; i < cascades.size(); i++) { + SDFGI::Cascade &cascade = cascades[i]; + + SDFGIShader::Light lights[SDFGI::MAX_DYNAMIC_LIGHTS]; + uint32_t idx = 0; + for (uint32_t j = 0; j < (uint32_t)p_render_data->sdfgi_update_data->directional_lights->size(); j++) { + if (idx == SDFGI::MAX_DYNAMIC_LIGHTS) { + break; + } + + RID light_instance = p_render_data->sdfgi_update_data->directional_lights->get(j); + ERR_CONTINUE(!light_storage->owns_light_instance(light_instance)); + + RID light = light_storage->light_instance_get_base_light(light_instance); + Transform3D light_transform = light_storage->light_instance_get_base_transform(light_instance); + + if (RSG::light_storage->light_directional_get_sky_mode(light) == RS::LIGHT_DIRECTIONAL_SKY_MODE_SKY_ONLY) { + continue; + } + + Vector3 dir = -light_transform.basis.get_column(Vector3::AXIS_Z); + dir.y *= y_mult; + dir.normalize(); + lights[idx].direction[0] = dir.x; + lights[idx].direction[1] = dir.y; + lights[idx].direction[2] = dir.z; + Color color = RSG::light_storage->light_get_color(light); + color = color.srgb_to_linear(); + lights[idx].color[0] = color.r; + lights[idx].color[1] = color.g; + lights[idx].color[2] = color.b; + lights[idx].type = RS::LIGHT_DIRECTIONAL; + lights[idx].energy = RSG::light_storage->light_get_param(light, RS::LIGHT_PARAM_ENERGY) * RSG::light_storage->light_get_param(light, RS::LIGHT_PARAM_INDIRECT_ENERGY); + if (RendererSceneRenderRD::get_singleton()->is_using_physical_light_units()) { + lights[idx].energy *= RSG::light_storage->light_get_param(light, RS::LIGHT_PARAM_INTENSITY); + } + + if (p_render_data->camera_attributes.is_valid()) { + lights[idx].energy *= RSG::camera_attributes->camera_attributes_get_exposure_normalization_factor(p_render_data->camera_attributes); + } + + lights[idx].has_shadow = RSG::light_storage->light_has_shadow(light); + + idx++; + } + + AABB cascade_aabb; + cascade_aabb.position = Vector3((Vector3i(1, 1, 1) * -int32_t(cascade_size >> 1) + cascade.position)) * cascade.cell_size; + cascade_aabb.size = Vector3(1, 1, 1) * cascade_size * cascade.cell_size; + + for (uint32_t j = 0; j < p_render_data->sdfgi_update_data->positional_light_count; j++) { + if (idx == SDFGI::MAX_DYNAMIC_LIGHTS) { + break; + } + + RID light_instance = p_render_data->sdfgi_update_data->positional_light_instances[j]; + ERR_CONTINUE(!light_storage->owns_light_instance(light_instance)); + + RID light = light_storage->light_instance_get_base_light(light_instance); + AABB light_aabb = light_storage->light_instance_get_base_aabb(light_instance); + Transform3D light_transform = light_storage->light_instance_get_base_transform(light_instance); + + uint32_t max_sdfgi_cascade = RSG::light_storage->light_get_max_sdfgi_cascade(light); + if (i > max_sdfgi_cascade) { + continue; + } + + if (!cascade_aabb.intersects(light_aabb)) { + continue; + } + + Vector3 dir = -light_transform.basis.get_column(Vector3::AXIS_Z); + //faster to not do this here + //dir.y *= y_mult; + //dir.normalize(); + lights[idx].direction[0] = dir.x; + lights[idx].direction[1] = dir.y; + lights[idx].direction[2] = dir.z; + Vector3 pos = light_transform.origin; + pos.y *= y_mult; + lights[idx].position[0] = pos.x; + lights[idx].position[1] = pos.y; + lights[idx].position[2] = pos.z; + Color color = RSG::light_storage->light_get_color(light); + color = color.srgb_to_linear(); + lights[idx].color[0] = color.r; + lights[idx].color[1] = color.g; + lights[idx].color[2] = color.b; + lights[idx].type = RSG::light_storage->light_get_type(light); + + lights[idx].energy = RSG::light_storage->light_get_param(light, RS::LIGHT_PARAM_ENERGY) * RSG::light_storage->light_get_param(light, RS::LIGHT_PARAM_INDIRECT_ENERGY); + if (RendererSceneRenderRD::get_singleton()->is_using_physical_light_units()) { + lights[idx].energy *= RSG::light_storage->light_get_param(light, RS::LIGHT_PARAM_INTENSITY); + + // Convert from Luminous Power to Luminous Intensity + if (lights[idx].type == RS::LIGHT_OMNI) { + lights[idx].energy *= 1.0 / (Math_PI * 4.0); + } else if (lights[idx].type == RS::LIGHT_SPOT) { + // Spot Lights are not physically accurate, Luminous Intensity should change in relation to the cone angle. + // We make this assumption to keep them easy to control. + lights[idx].energy *= 1.0 / Math_PI; + } + } + + if (p_render_data->camera_attributes.is_valid()) { + lights[idx].energy *= RSG::camera_attributes->camera_attributes_get_exposure_normalization_factor(p_render_data->camera_attributes); + } + + lights[idx].has_shadow = RSG::light_storage->light_has_shadow(light); + lights[idx].attenuation = RSG::light_storage->light_get_param(light, RS::LIGHT_PARAM_ATTENUATION); + lights[idx].radius = RSG::light_storage->light_get_param(light, RS::LIGHT_PARAM_RANGE); + lights[idx].cos_spot_angle = Math::cos(Math::deg_to_rad(RSG::light_storage->light_get_param(light, RS::LIGHT_PARAM_SPOT_ANGLE))); + lights[idx].inv_spot_attenuation = 1.0f / RSG::light_storage->light_get_param(light, RS::LIGHT_PARAM_SPOT_ATTENUATION); + + idx++; + } + + if (idx > 0) { + RD::get_singleton()->buffer_update(cascade.lights_buffer, 0, idx * sizeof(SDFGIShader::Light), lights, RD::BARRIER_MASK_COMPUTE); + } + + cascade_dynamic_light_count[i] = idx; + } +} + +void GI::SDFGI::render_region(Ref<RenderSceneBuffersRD> p_render_buffers, int p_region, const PagedArray<RenderGeometryInstance *> &p_instances, float p_exposure_normalization) { + //print_line("rendering region " + itos(p_region)); + ERR_FAIL_COND(p_render_buffers.is_null()); // we wouldn't be here if this failed but... + AABB bounds; + Vector3i from; + Vector3i size; + + int cascade_prev = get_pending_region_data(p_region - 1, from, size, bounds); + int cascade_next = get_pending_region_data(p_region + 1, from, size, bounds); + int cascade = get_pending_region_data(p_region, from, size, bounds); + ERR_FAIL_COND(cascade < 0); + + if (cascade_prev != cascade) { + //initialize render + RD::get_singleton()->texture_clear(render_albedo, Color(0, 0, 0, 0), 0, 1, 0, 1); + RD::get_singleton()->texture_clear(render_emission, Color(0, 0, 0, 0), 0, 1, 0, 1); + RD::get_singleton()->texture_clear(render_emission_aniso, Color(0, 0, 0, 0), 0, 1, 0, 1); + RD::get_singleton()->texture_clear(render_geom_facing, Color(0, 0, 0, 0), 0, 1, 0, 1); + } + + //print_line("rendering cascade " + itos(p_region) + " objects: " + itos(p_cull_count) + " bounds: " + bounds + " from: " + from + " size: " + size + " cell size: " + rtos(cascades[cascade].cell_size)); + RendererSceneRenderRD::get_singleton()->_render_sdfgi(p_render_buffers, from, size, bounds, p_instances, render_albedo, render_emission, render_emission_aniso, render_geom_facing, p_exposure_normalization); + + if (cascade_next != cascade) { + RD::get_singleton()->draw_command_begin_label("SDFGI Pre-Process Cascade"); + + RENDER_TIMESTAMP("> SDFGI Update SDF"); + //done rendering! must update SDF + //clear dispatch indirect data + + SDFGIShader::PreprocessPushConstant push_constant; + memset(&push_constant, 0, sizeof(SDFGIShader::PreprocessPushConstant)); + + RENDER_TIMESTAMP("SDFGI Scroll SDF"); + + //scroll + if (cascades[cascade].dirty_regions != SDFGI::Cascade::DIRTY_ALL) { + //for scroll + Vector3i dirty = cascades[cascade].dirty_regions; + push_constant.scroll[0] = dirty.x; + push_constant.scroll[1] = dirty.y; + push_constant.scroll[2] = dirty.z; + } else { + //for no scroll + push_constant.scroll[0] = 0; + push_constant.scroll[1] = 0; + push_constant.scroll[2] = 0; + } + + cascades[cascade].all_dynamic_lights_dirty = true; + cascades[cascade].baked_exposure_normalization = p_exposure_normalization; + + push_constant.grid_size = cascade_size; + push_constant.cascade = cascade; + + if (cascades[cascade].dirty_regions != SDFGI::Cascade::DIRTY_ALL) { + RD::ComputeListID compute_list = RD::get_singleton()->compute_list_begin(); + + //must pre scroll existing data because not all is dirty + RD::get_singleton()->compute_list_bind_compute_pipeline(compute_list, gi->sdfgi_shader.preprocess_pipeline[SDFGIShader::PRE_PROCESS_SCROLL]); + RD::get_singleton()->compute_list_bind_uniform_set(compute_list, cascades[cascade].scroll_uniform_set, 0); + + RD::get_singleton()->compute_list_set_push_constant(compute_list, &push_constant, sizeof(SDFGIShader::PreprocessPushConstant)); + RD::get_singleton()->compute_list_dispatch_indirect(compute_list, cascades[cascade].solid_cell_dispatch_buffer, 0); + // no barrier do all together + + RD::get_singleton()->compute_list_bind_compute_pipeline(compute_list, gi->sdfgi_shader.preprocess_pipeline[SDFGIShader::PRE_PROCESS_SCROLL_OCCLUSION]); + RD::get_singleton()->compute_list_bind_uniform_set(compute_list, cascades[cascade].scroll_occlusion_uniform_set, 0); + + Vector3i dirty = cascades[cascade].dirty_regions; + Vector3i groups; + groups.x = cascade_size - ABS(dirty.x); + groups.y = cascade_size - ABS(dirty.y); + groups.z = cascade_size - ABS(dirty.z); + + RD::get_singleton()->compute_list_set_push_constant(compute_list, &push_constant, sizeof(SDFGIShader::PreprocessPushConstant)); + RD::get_singleton()->compute_list_dispatch_threads(compute_list, groups.x, groups.y, groups.z); + + //no barrier, continue together + + { + //scroll probes and their history also + + SDFGIShader::IntegratePushConstant ipush_constant; + ipush_constant.grid_size[1] = cascade_size; + ipush_constant.grid_size[2] = cascade_size; + ipush_constant.grid_size[0] = cascade_size; + ipush_constant.max_cascades = cascades.size(); + ipush_constant.probe_axis_size = probe_axis_count; + ipush_constant.history_index = 0; + ipush_constant.history_size = history_size; + ipush_constant.ray_count = 0; + ipush_constant.ray_bias = 0; + ipush_constant.sky_mode = 0; + ipush_constant.sky_energy = 0; + ipush_constant.sky_color[0] = 0; + ipush_constant.sky_color[1] = 0; + ipush_constant.sky_color[2] = 0; + ipush_constant.y_mult = y_mult; + ipush_constant.store_ambient_texture = false; + + ipush_constant.image_size[0] = probe_axis_count * probe_axis_count; + ipush_constant.image_size[1] = probe_axis_count; + + int32_t probe_divisor = cascade_size / SDFGI::PROBE_DIVISOR; + ipush_constant.cascade = cascade; + ipush_constant.world_offset[0] = cascades[cascade].position.x / probe_divisor; + ipush_constant.world_offset[1] = cascades[cascade].position.y / probe_divisor; + ipush_constant.world_offset[2] = cascades[cascade].position.z / probe_divisor; + + ipush_constant.scroll[0] = dirty.x / probe_divisor; + ipush_constant.scroll[1] = dirty.y / probe_divisor; + ipush_constant.scroll[2] = dirty.z / probe_divisor; + + RD::get_singleton()->compute_list_bind_compute_pipeline(compute_list, gi->sdfgi_shader.integrate_pipeline[SDFGIShader::INTEGRATE_MODE_SCROLL]); + RD::get_singleton()->compute_list_bind_uniform_set(compute_list, cascades[cascade].integrate_uniform_set, 0); + RD::get_singleton()->compute_list_bind_uniform_set(compute_list, gi->sdfgi_shader.integrate_default_sky_uniform_set, 1); + RD::get_singleton()->compute_list_set_push_constant(compute_list, &ipush_constant, sizeof(SDFGIShader::IntegratePushConstant)); + RD::get_singleton()->compute_list_dispatch_threads(compute_list, probe_axis_count * probe_axis_count, probe_axis_count, 1); + + RD::get_singleton()->compute_list_add_barrier(compute_list); + + RD::get_singleton()->compute_list_bind_compute_pipeline(compute_list, gi->sdfgi_shader.integrate_pipeline[SDFGIShader::INTEGRATE_MODE_SCROLL_STORE]); + RD::get_singleton()->compute_list_bind_uniform_set(compute_list, cascades[cascade].integrate_uniform_set, 0); + RD::get_singleton()->compute_list_bind_uniform_set(compute_list, gi->sdfgi_shader.integrate_default_sky_uniform_set, 1); + RD::get_singleton()->compute_list_set_push_constant(compute_list, &ipush_constant, sizeof(SDFGIShader::IntegratePushConstant)); + RD::get_singleton()->compute_list_dispatch_threads(compute_list, probe_axis_count * probe_axis_count, probe_axis_count, 1); + + RD::get_singleton()->compute_list_add_barrier(compute_list); + + if (bounce_feedback > 0.0) { + //multibounce requires this to be stored so direct light can read from it + + RD::get_singleton()->compute_list_bind_compute_pipeline(compute_list, gi->sdfgi_shader.integrate_pipeline[SDFGIShader::INTEGRATE_MODE_STORE]); + + //convert to octahedral to store + ipush_constant.image_size[0] *= SDFGI::LIGHTPROBE_OCT_SIZE; + ipush_constant.image_size[1] *= SDFGI::LIGHTPROBE_OCT_SIZE; + + RD::get_singleton()->compute_list_bind_uniform_set(compute_list, cascades[cascade].integrate_uniform_set, 0); + RD::get_singleton()->compute_list_bind_uniform_set(compute_list, gi->sdfgi_shader.integrate_default_sky_uniform_set, 1); + RD::get_singleton()->compute_list_set_push_constant(compute_list, &ipush_constant, sizeof(SDFGIShader::IntegratePushConstant)); + RD::get_singleton()->compute_list_dispatch_threads(compute_list, probe_axis_count * probe_axis_count * SDFGI::LIGHTPROBE_OCT_SIZE, probe_axis_count * SDFGI::LIGHTPROBE_OCT_SIZE, 1); + } + } + + //ok finally barrier + RD::get_singleton()->compute_list_end(); + } + + //clear dispatch indirect data + uint32_t dispatch_indirct_data[4] = { 0, 0, 0, 0 }; + RD::get_singleton()->buffer_update(cascades[cascade].solid_cell_dispatch_buffer, 0, sizeof(uint32_t) * 4, dispatch_indirct_data); + + RD::ComputeListID compute_list = RD::get_singleton()->compute_list_begin(); + + bool half_size = true; //much faster, very little difference + static const int optimized_jf_group_size = 8; + + if (half_size) { + push_constant.grid_size >>= 1; + + uint32_t cascade_half_size = cascade_size >> 1; + RD::get_singleton()->compute_list_bind_compute_pipeline(compute_list, gi->sdfgi_shader.preprocess_pipeline[SDFGIShader::PRE_PROCESS_JUMP_FLOOD_INITIALIZE_HALF]); + RD::get_singleton()->compute_list_bind_uniform_set(compute_list, sdf_initialize_half_uniform_set, 0); + RD::get_singleton()->compute_list_set_push_constant(compute_list, &push_constant, sizeof(SDFGIShader::PreprocessPushConstant)); + RD::get_singleton()->compute_list_dispatch_threads(compute_list, cascade_half_size, cascade_half_size, cascade_half_size); + RD::get_singleton()->compute_list_add_barrier(compute_list); + + //must start with regular jumpflood + + push_constant.half_size = true; + { + RENDER_TIMESTAMP("SDFGI Jump Flood (Half-Size)"); + + uint32_t s = cascade_half_size; + + RD::get_singleton()->compute_list_bind_compute_pipeline(compute_list, gi->sdfgi_shader.preprocess_pipeline[SDFGIShader::PRE_PROCESS_JUMP_FLOOD]); + + int jf_us = 0; + //start with regular jump flood for very coarse reads, as this is impossible to optimize + while (s > 1) { + s /= 2; + push_constant.step_size = s; + RD::get_singleton()->compute_list_bind_uniform_set(compute_list, jump_flood_half_uniform_set[jf_us], 0); + RD::get_singleton()->compute_list_set_push_constant(compute_list, &push_constant, sizeof(SDFGIShader::PreprocessPushConstant)); + RD::get_singleton()->compute_list_dispatch_threads(compute_list, cascade_half_size, cascade_half_size, cascade_half_size); + RD::get_singleton()->compute_list_add_barrier(compute_list); + jf_us = jf_us == 0 ? 1 : 0; + + if (cascade_half_size / (s / 2) >= optimized_jf_group_size) { + break; + } + } + + RENDER_TIMESTAMP("SDFGI Jump Flood Optimized (Half-Size)"); + + //continue with optimized jump flood for smaller reads + RD::get_singleton()->compute_list_bind_compute_pipeline(compute_list, gi->sdfgi_shader.preprocess_pipeline[SDFGIShader::PRE_PROCESS_JUMP_FLOOD_OPTIMIZED]); + while (s > 1) { + s /= 2; + push_constant.step_size = s; + RD::get_singleton()->compute_list_bind_uniform_set(compute_list, jump_flood_half_uniform_set[jf_us], 0); + RD::get_singleton()->compute_list_set_push_constant(compute_list, &push_constant, sizeof(SDFGIShader::PreprocessPushConstant)); + RD::get_singleton()->compute_list_dispatch_threads(compute_list, cascade_half_size, cascade_half_size, cascade_half_size); + RD::get_singleton()->compute_list_add_barrier(compute_list); + jf_us = jf_us == 0 ? 1 : 0; + } + } + + // restore grid size for last passes + push_constant.grid_size = cascade_size; + + RD::get_singleton()->compute_list_bind_compute_pipeline(compute_list, gi->sdfgi_shader.preprocess_pipeline[SDFGIShader::PRE_PROCESS_JUMP_FLOOD_UPSCALE]); + RD::get_singleton()->compute_list_bind_uniform_set(compute_list, sdf_upscale_uniform_set, 0); + RD::get_singleton()->compute_list_set_push_constant(compute_list, &push_constant, sizeof(SDFGIShader::PreprocessPushConstant)); + RD::get_singleton()->compute_list_dispatch_threads(compute_list, cascade_size, cascade_size, cascade_size); + RD::get_singleton()->compute_list_add_barrier(compute_list); + + //run one pass of fullsize jumpflood to fix up half size arctifacts + + push_constant.half_size = false; + push_constant.step_size = 1; + RD::get_singleton()->compute_list_bind_compute_pipeline(compute_list, gi->sdfgi_shader.preprocess_pipeline[SDFGIShader::PRE_PROCESS_JUMP_FLOOD_OPTIMIZED]); + RD::get_singleton()->compute_list_bind_uniform_set(compute_list, jump_flood_uniform_set[upscale_jfa_uniform_set_index], 0); + RD::get_singleton()->compute_list_set_push_constant(compute_list, &push_constant, sizeof(SDFGIShader::PreprocessPushConstant)); + RD::get_singleton()->compute_list_dispatch_threads(compute_list, cascade_size, cascade_size, cascade_size); + RD::get_singleton()->compute_list_add_barrier(compute_list); + + } else { + //full size jumpflood + RENDER_TIMESTAMP("SDFGI Jump Flood (Full-Size)"); + + RD::get_singleton()->compute_list_bind_compute_pipeline(compute_list, gi->sdfgi_shader.preprocess_pipeline[SDFGIShader::PRE_PROCESS_JUMP_FLOOD_INITIALIZE]); + RD::get_singleton()->compute_list_bind_uniform_set(compute_list, sdf_initialize_uniform_set, 0); + RD::get_singleton()->compute_list_set_push_constant(compute_list, &push_constant, sizeof(SDFGIShader::PreprocessPushConstant)); + RD::get_singleton()->compute_list_dispatch_threads(compute_list, cascade_size, cascade_size, cascade_size); + + RD::get_singleton()->compute_list_add_barrier(compute_list); + + push_constant.half_size = false; + { + uint32_t s = cascade_size; + + RD::get_singleton()->compute_list_bind_compute_pipeline(compute_list, gi->sdfgi_shader.preprocess_pipeline[SDFGIShader::PRE_PROCESS_JUMP_FLOOD]); + + int jf_us = 0; + //start with regular jump flood for very coarse reads, as this is impossible to optimize + while (s > 1) { + s /= 2; + push_constant.step_size = s; + RD::get_singleton()->compute_list_bind_uniform_set(compute_list, jump_flood_uniform_set[jf_us], 0); + RD::get_singleton()->compute_list_set_push_constant(compute_list, &push_constant, sizeof(SDFGIShader::PreprocessPushConstant)); + RD::get_singleton()->compute_list_dispatch_threads(compute_list, cascade_size, cascade_size, cascade_size); + RD::get_singleton()->compute_list_add_barrier(compute_list); + jf_us = jf_us == 0 ? 1 : 0; + + if (cascade_size / (s / 2) >= optimized_jf_group_size) { + break; + } + } + + RENDER_TIMESTAMP("SDFGI Jump Flood Optimized (Full-Size)"); + + //continue with optimized jump flood for smaller reads + RD::get_singleton()->compute_list_bind_compute_pipeline(compute_list, gi->sdfgi_shader.preprocess_pipeline[SDFGIShader::PRE_PROCESS_JUMP_FLOOD_OPTIMIZED]); + while (s > 1) { + s /= 2; + push_constant.step_size = s; + RD::get_singleton()->compute_list_bind_uniform_set(compute_list, jump_flood_uniform_set[jf_us], 0); + RD::get_singleton()->compute_list_set_push_constant(compute_list, &push_constant, sizeof(SDFGIShader::PreprocessPushConstant)); + RD::get_singleton()->compute_list_dispatch_threads(compute_list, cascade_size, cascade_size, cascade_size); + RD::get_singleton()->compute_list_add_barrier(compute_list); + jf_us = jf_us == 0 ? 1 : 0; + } + } + } + + RENDER_TIMESTAMP("SDFGI Occlusion"); + + // occlusion + { + uint32_t probe_size = cascade_size / SDFGI::PROBE_DIVISOR; + Vector3i probe_global_pos = cascades[cascade].position / probe_size; + + RD::get_singleton()->compute_list_bind_compute_pipeline(compute_list, gi->sdfgi_shader.preprocess_pipeline[SDFGIShader::PRE_PROCESS_OCCLUSION]); + RD::get_singleton()->compute_list_bind_uniform_set(compute_list, occlusion_uniform_set, 0); + for (int i = 0; i < 8; i++) { + //dispatch all at once for performance + Vector3i offset(i & 1, (i >> 1) & 1, (i >> 2) & 1); + + if ((probe_global_pos.x & 1) != 0) { + offset.x = (offset.x + 1) & 1; + } + if ((probe_global_pos.y & 1) != 0) { + offset.y = (offset.y + 1) & 1; + } + if ((probe_global_pos.z & 1) != 0) { + offset.z = (offset.z + 1) & 1; + } + push_constant.probe_offset[0] = offset.x; + push_constant.probe_offset[1] = offset.y; + push_constant.probe_offset[2] = offset.z; + push_constant.occlusion_index = i; + RD::get_singleton()->compute_list_set_push_constant(compute_list, &push_constant, sizeof(SDFGIShader::PreprocessPushConstant)); + + Vector3i groups = Vector3i(probe_size + 1, probe_size + 1, probe_size + 1) - offset; //if offset, it's one less probe per axis to compute + RD::get_singleton()->compute_list_dispatch(compute_list, groups.x, groups.y, groups.z); + } + RD::get_singleton()->compute_list_add_barrier(compute_list); + } + + RENDER_TIMESTAMP("SDFGI Store"); + + // store + RD::get_singleton()->compute_list_bind_compute_pipeline(compute_list, gi->sdfgi_shader.preprocess_pipeline[SDFGIShader::PRE_PROCESS_STORE]); + RD::get_singleton()->compute_list_bind_uniform_set(compute_list, cascades[cascade].sdf_store_uniform_set, 0); + RD::get_singleton()->compute_list_set_push_constant(compute_list, &push_constant, sizeof(SDFGIShader::PreprocessPushConstant)); + RD::get_singleton()->compute_list_dispatch_threads(compute_list, cascade_size, cascade_size, cascade_size); + + RD::get_singleton()->compute_list_end(); + + //clear these textures, as they will have previous garbage on next draw + RD::get_singleton()->texture_clear(cascades[cascade].light_tex, Color(0, 0, 0, 0), 0, 1, 0, 1); + RD::get_singleton()->texture_clear(cascades[cascade].light_aniso_0_tex, Color(0, 0, 0, 0), 0, 1, 0, 1); + RD::get_singleton()->texture_clear(cascades[cascade].light_aniso_1_tex, Color(0, 0, 0, 0), 0, 1, 0, 1); + +#if 0 + Vector<uint8_t> data = RD::get_singleton()->texture_get_data(cascades[cascade].sdf, 0); + Ref<Image> img; + img.instantiate(); + for (uint32_t i = 0; i < cascade_size; i++) { + Vector<uint8_t> subarr = data.slice(128 * 128 * i, 128 * 128 * (i + 1)); + img->set_data(cascade_size, cascade_size, false, Image::FORMAT_L8, subarr); + img->save_png("res://cascade_sdf_" + itos(cascade) + "_" + itos(i) + ".png"); + } + + //finalize render and update sdf +#endif + +#if 0 + Vector<uint8_t> data = RD::get_singleton()->texture_get_data(render_albedo, 0); + Ref<Image> img; + img.instantiate(); + for (uint32_t i = 0; i < cascade_size; i++) { + Vector<uint8_t> subarr = data.slice(128 * 128 * i * 2, 128 * 128 * (i + 1) * 2); + img->createcascade_size, cascade_size, false, Image::FORMAT_RGB565, subarr); + img->convert(Image::FORMAT_RGBA8); + img->save_png("res://cascade_" + itos(cascade) + "_" + itos(i) + ".png"); + } + + //finalize render and update sdf +#endif + + RENDER_TIMESTAMP("< SDFGI Update SDF"); + RD::get_singleton()->draw_command_end_label(); + } +} + +void GI::SDFGI::render_static_lights(RenderDataRD *p_render_data, Ref<RenderSceneBuffersRD> p_render_buffers, uint32_t p_cascade_count, const uint32_t *p_cascade_indices, const PagedArray<RID> *p_positional_light_cull_result) { + ERR_FAIL_COND(p_render_buffers.is_null()); // we wouldn't be here if this failed but... + + RendererRD::LightStorage *light_storage = RendererRD::LightStorage::get_singleton(); + + RD::get_singleton()->draw_command_begin_label("SDFGI Render Static Lights"); + + update_cascades(); + + SDFGIShader::Light lights[SDFGI::MAX_STATIC_LIGHTS]; + uint32_t light_count[SDFGI::MAX_STATIC_LIGHTS]; + + for (uint32_t i = 0; i < p_cascade_count; i++) { + ERR_CONTINUE(p_cascade_indices[i] >= cascades.size()); + + SDFGI::Cascade &cc = cascades[p_cascade_indices[i]]; + + { //fill light buffer + + AABB cascade_aabb; + cascade_aabb.position = Vector3((Vector3i(1, 1, 1) * -int32_t(cascade_size >> 1) + cc.position)) * cc.cell_size; + cascade_aabb.size = Vector3(1, 1, 1) * cascade_size * cc.cell_size; + + int idx = 0; + + for (uint32_t j = 0; j < (uint32_t)p_positional_light_cull_result[i].size(); j++) { + if (idx == SDFGI::MAX_STATIC_LIGHTS) { + break; + } + + RID light_instance = p_positional_light_cull_result[i][j]; + ERR_CONTINUE(!light_storage->owns_light_instance(light_instance)); + + RID light = light_storage->light_instance_get_base_light(light_instance); + AABB light_aabb = light_storage->light_instance_get_base_aabb(light_instance); + Transform3D light_transform = light_storage->light_instance_get_base_transform(light_instance); + + uint32_t max_sdfgi_cascade = RSG::light_storage->light_get_max_sdfgi_cascade(light); + if (p_cascade_indices[i] > max_sdfgi_cascade) { + continue; + } + + if (!cascade_aabb.intersects(light_aabb)) { + continue; + } + + lights[idx].type = RSG::light_storage->light_get_type(light); + + Vector3 dir = -light_transform.basis.get_column(Vector3::AXIS_Z); + if (lights[idx].type == RS::LIGHT_DIRECTIONAL) { + dir.y *= y_mult; //only makes sense for directional + dir.normalize(); + } + lights[idx].direction[0] = dir.x; + lights[idx].direction[1] = dir.y; + lights[idx].direction[2] = dir.z; + Vector3 pos = light_transform.origin; + pos.y *= y_mult; + lights[idx].position[0] = pos.x; + lights[idx].position[1] = pos.y; + lights[idx].position[2] = pos.z; + Color color = RSG::light_storage->light_get_color(light); + color = color.srgb_to_linear(); + lights[idx].color[0] = color.r; + lights[idx].color[1] = color.g; + lights[idx].color[2] = color.b; + + lights[idx].energy = RSG::light_storage->light_get_param(light, RS::LIGHT_PARAM_ENERGY) * RSG::light_storage->light_get_param(light, RS::LIGHT_PARAM_INDIRECT_ENERGY); + if (RendererSceneRenderRD::get_singleton()->is_using_physical_light_units()) { + lights[idx].energy *= RSG::light_storage->light_get_param(light, RS::LIGHT_PARAM_INTENSITY); + + // Convert from Luminous Power to Luminous Intensity + if (lights[idx].type == RS::LIGHT_OMNI) { + lights[idx].energy *= 1.0 / (Math_PI * 4.0); + } else if (lights[idx].type == RS::LIGHT_SPOT) { + // Spot Lights are not physically accurate, Luminous Intensity should change in relation to the cone angle. + // We make this assumption to keep them easy to control. + lights[idx].energy *= 1.0 / Math_PI; + } + } + + if (p_render_data->camera_attributes.is_valid()) { + lights[idx].energy *= RSG::camera_attributes->camera_attributes_get_exposure_normalization_factor(p_render_data->camera_attributes); + } + + lights[idx].has_shadow = RSG::light_storage->light_has_shadow(light); + lights[idx].attenuation = RSG::light_storage->light_get_param(light, RS::LIGHT_PARAM_ATTENUATION); + lights[idx].radius = RSG::light_storage->light_get_param(light, RS::LIGHT_PARAM_RANGE); + lights[idx].cos_spot_angle = Math::cos(Math::deg_to_rad(RSG::light_storage->light_get_param(light, RS::LIGHT_PARAM_SPOT_ANGLE))); + lights[idx].inv_spot_attenuation = 1.0f / RSG::light_storage->light_get_param(light, RS::LIGHT_PARAM_SPOT_ATTENUATION); + + idx++; + } + + if (idx > 0) { + RD::get_singleton()->buffer_update(cc.lights_buffer, 0, idx * sizeof(SDFGIShader::Light), lights); + } + + light_count[i] = idx; + } + } + + /* Static Lights */ + RD::ComputeListID compute_list = RD::get_singleton()->compute_list_begin(); + + RD::get_singleton()->compute_list_bind_compute_pipeline(compute_list, gi->sdfgi_shader.direct_light_pipeline[SDFGIShader::DIRECT_LIGHT_MODE_STATIC]); + + SDFGIShader::DirectLightPushConstant dl_push_constant; + + dl_push_constant.grid_size[0] = cascade_size; + dl_push_constant.grid_size[1] = cascade_size; + dl_push_constant.grid_size[2] = cascade_size; + dl_push_constant.max_cascades = cascades.size(); + dl_push_constant.probe_axis_size = probe_axis_count; + dl_push_constant.bounce_feedback = 0.0; // this is static light, do not multibounce yet + dl_push_constant.y_mult = y_mult; + dl_push_constant.use_occlusion = uses_occlusion; + + //all must be processed + dl_push_constant.process_offset = 0; + dl_push_constant.process_increment = 1; + + for (uint32_t i = 0; i < p_cascade_count; i++) { + ERR_CONTINUE(p_cascade_indices[i] >= cascades.size()); + + SDFGI::Cascade &cc = cascades[p_cascade_indices[i]]; + + dl_push_constant.light_count = light_count[i]; + dl_push_constant.cascade = p_cascade_indices[i]; + + if (dl_push_constant.light_count > 0) { + RD::get_singleton()->compute_list_bind_uniform_set(compute_list, cc.sdf_direct_light_static_uniform_set, 0); + RD::get_singleton()->compute_list_set_push_constant(compute_list, &dl_push_constant, sizeof(SDFGIShader::DirectLightPushConstant)); + RD::get_singleton()->compute_list_dispatch_indirect(compute_list, cc.solid_cell_dispatch_buffer, 0); + } + } + + RD::get_singleton()->compute_list_end(); + + RD::get_singleton()->draw_command_end_label(); +} + +//////////////////////////////////////////////////////////////////////////////// +// VoxelGIInstance + +void GI::VoxelGIInstance::update(bool p_update_light_instances, const Vector<RID> &p_light_instances, const PagedArray<RenderGeometryInstance *> &p_dynamic_objects) { + RendererRD::LightStorage *light_storage = RendererRD::LightStorage::get_singleton(); + RendererRD::MaterialStorage *material_storage = RendererRD::MaterialStorage::get_singleton(); + + uint32_t data_version = gi->voxel_gi_get_data_version(probe); + + // (RE)CREATE IF NEEDED + + if (last_probe_data_version != data_version) { + //need to re-create everything + free_resources(); + + Vector3i octree_size = gi->voxel_gi_get_octree_size(probe); + + if (octree_size != Vector3i()) { + //can create a 3D texture + Vector<int> levels = gi->voxel_gi_get_level_counts(probe); + + RD::TextureFormat tf; + tf.format = RD::DATA_FORMAT_R8G8B8A8_UNORM; + tf.width = octree_size.x; + tf.height = octree_size.y; + tf.depth = octree_size.z; + tf.texture_type = RD::TEXTURE_TYPE_3D; + tf.mipmaps = levels.size(); + + tf.usage_bits = RD::TEXTURE_USAGE_SAMPLING_BIT | RD::TEXTURE_USAGE_STORAGE_BIT | RD::TEXTURE_USAGE_CAN_COPY_TO_BIT; + + texture = RD::get_singleton()->texture_create(tf, RD::TextureView()); + RD::get_singleton()->set_resource_name(texture, "VoxelGI Instance Texture"); + + RD::get_singleton()->texture_clear(texture, Color(0, 0, 0, 0), 0, levels.size(), 0, 1); + + { + int total_elements = 0; + for (int i = 0; i < levels.size(); i++) { + total_elements += levels[i]; + } + + write_buffer = RD::get_singleton()->storage_buffer_create(total_elements * 16); + } + + for (int i = 0; i < levels.size(); i++) { + VoxelGIInstance::Mipmap mipmap; + mipmap.texture = RD::get_singleton()->texture_create_shared_from_slice(RD::TextureView(), texture, 0, i, 1, RD::TEXTURE_SLICE_3D); + mipmap.level = levels.size() - i - 1; + mipmap.cell_offset = 0; + for (uint32_t j = 0; j < mipmap.level; j++) { + mipmap.cell_offset += levels[j]; + } + mipmap.cell_count = levels[mipmap.level]; + + Vector<RD::Uniform> uniforms; + { + RD::Uniform u; + u.uniform_type = RD::UNIFORM_TYPE_STORAGE_BUFFER; + u.binding = 1; + u.append_id(gi->voxel_gi_get_octree_buffer(probe)); + uniforms.push_back(u); + } + { + RD::Uniform u; + u.uniform_type = RD::UNIFORM_TYPE_STORAGE_BUFFER; + u.binding = 2; + u.append_id(gi->voxel_gi_get_data_buffer(probe)); + uniforms.push_back(u); + } + + { + RD::Uniform u; + u.uniform_type = RD::UNIFORM_TYPE_STORAGE_BUFFER; + u.binding = 4; + u.append_id(write_buffer); + uniforms.push_back(u); + } + { + RD::Uniform u; + u.uniform_type = RD::UNIFORM_TYPE_TEXTURE; + u.binding = 9; + u.append_id(gi->voxel_gi_get_sdf_texture(probe)); + uniforms.push_back(u); + } + { + RD::Uniform u; + u.uniform_type = RD::UNIFORM_TYPE_SAMPLER; + u.binding = 10; + u.append_id(material_storage->sampler_rd_get_default(RS::CANVAS_ITEM_TEXTURE_FILTER_LINEAR_WITH_MIPMAPS, RS::CANVAS_ITEM_TEXTURE_REPEAT_DISABLED)); + uniforms.push_back(u); + } + + { + Vector<RD::Uniform> copy_uniforms = uniforms; + if (i == 0) { + { + RD::Uniform u; + u.uniform_type = RD::UNIFORM_TYPE_UNIFORM_BUFFER; + u.binding = 3; + u.append_id(gi->voxel_gi_lights_uniform); + copy_uniforms.push_back(u); + } + + mipmap.uniform_set = RD::get_singleton()->uniform_set_create(copy_uniforms, gi->voxel_gi_lighting_shader_version_shaders[VOXEL_GI_SHADER_VERSION_COMPUTE_LIGHT], 0); + + copy_uniforms = uniforms; //restore + + { + RD::Uniform u; + u.uniform_type = RD::UNIFORM_TYPE_TEXTURE; + u.binding = 5; + u.append_id(texture); + copy_uniforms.push_back(u); + } + mipmap.second_bounce_uniform_set = RD::get_singleton()->uniform_set_create(copy_uniforms, gi->voxel_gi_lighting_shader_version_shaders[VOXEL_GI_SHADER_VERSION_COMPUTE_SECOND_BOUNCE], 0); + } else { + mipmap.uniform_set = RD::get_singleton()->uniform_set_create(copy_uniforms, gi->voxel_gi_lighting_shader_version_shaders[VOXEL_GI_SHADER_VERSION_COMPUTE_MIPMAP], 0); + } + } + + { + RD::Uniform u; + u.uniform_type = RD::UNIFORM_TYPE_IMAGE; + u.binding = 5; + u.append_id(mipmap.texture); + uniforms.push_back(u); + } + + mipmap.write_uniform_set = RD::get_singleton()->uniform_set_create(uniforms, gi->voxel_gi_lighting_shader_version_shaders[VOXEL_GI_SHADER_VERSION_WRITE_TEXTURE], 0); + + mipmaps.push_back(mipmap); + } + + { + uint32_t dynamic_map_size = MAX(MAX(octree_size.x, octree_size.y), octree_size.z); + uint32_t oversample = nearest_power_of_2_templated(4); + int mipmap_index = 0; + + while (mipmap_index < mipmaps.size()) { + VoxelGIInstance::DynamicMap dmap; + + if (oversample > 0) { + dmap.size = dynamic_map_size * (1 << oversample); + dmap.mipmap = -1; + oversample--; + } else { + dmap.size = dynamic_map_size >> mipmap_index; + dmap.mipmap = mipmap_index; + mipmap_index++; + } + + RD::TextureFormat dtf; + dtf.width = dmap.size; + dtf.height = dmap.size; + dtf.format = RD::DATA_FORMAT_R16G16B16A16_SFLOAT; + dtf.usage_bits = RD::TEXTURE_USAGE_STORAGE_BIT; + + if (dynamic_maps.size() == 0) { + dtf.usage_bits |= RD::TEXTURE_USAGE_COLOR_ATTACHMENT_BIT; + } + dmap.texture = RD::get_singleton()->texture_create(dtf, RD::TextureView()); + RD::get_singleton()->set_resource_name(dmap.texture, "VoxelGI Instance DMap Texture"); + + if (dynamic_maps.size() == 0) { + // Render depth for first one. + // Use 16-bit depth when supported to improve performance. + dtf.format = RD::get_singleton()->texture_is_format_supported_for_usage(RD::DATA_FORMAT_D16_UNORM, RD::TEXTURE_USAGE_DEPTH_STENCIL_ATTACHMENT_BIT) ? RD::DATA_FORMAT_D16_UNORM : RD::DATA_FORMAT_X8_D24_UNORM_PACK32; + dtf.usage_bits = RD::TEXTURE_USAGE_DEPTH_STENCIL_ATTACHMENT_BIT; + dmap.fb_depth = RD::get_singleton()->texture_create(dtf, RD::TextureView()); + RD::get_singleton()->set_resource_name(dmap.fb_depth, "VoxelGI Instance DMap FB Depth"); + } + + //just use depth as-is + dtf.format = RD::DATA_FORMAT_R32_SFLOAT; + dtf.usage_bits = RD::TEXTURE_USAGE_STORAGE_BIT | RD::TEXTURE_USAGE_COLOR_ATTACHMENT_BIT; + + dmap.depth = RD::get_singleton()->texture_create(dtf, RD::TextureView()); + RD::get_singleton()->set_resource_name(dmap.depth, "VoxelGI Instance DMap Depth"); + + if (dynamic_maps.size() == 0) { + dtf.format = RD::DATA_FORMAT_R8G8B8A8_UNORM; + dtf.usage_bits = RD::TEXTURE_USAGE_STORAGE_BIT | RD::TEXTURE_USAGE_COLOR_ATTACHMENT_BIT; + dmap.albedo = RD::get_singleton()->texture_create(dtf, RD::TextureView()); + RD::get_singleton()->set_resource_name(dmap.albedo, "VoxelGI Instance DMap Albedo"); + dmap.normal = RD::get_singleton()->texture_create(dtf, RD::TextureView()); + RD::get_singleton()->set_resource_name(dmap.normal, "VoxelGI Instance DMap Normal"); + dmap.orm = RD::get_singleton()->texture_create(dtf, RD::TextureView()); + RD::get_singleton()->set_resource_name(dmap.orm, "VoxelGI Instance DMap ORM"); + + Vector<RID> fb; + fb.push_back(dmap.albedo); + fb.push_back(dmap.normal); + fb.push_back(dmap.orm); + fb.push_back(dmap.texture); //emission + fb.push_back(dmap.depth); + fb.push_back(dmap.fb_depth); + + dmap.fb = RD::get_singleton()->framebuffer_create(fb); + + { + Vector<RD::Uniform> uniforms; + { + RD::Uniform u; + u.uniform_type = RD::UNIFORM_TYPE_UNIFORM_BUFFER; + u.binding = 3; + u.append_id(gi->voxel_gi_lights_uniform); + uniforms.push_back(u); + } + + { + RD::Uniform u; + u.uniform_type = RD::UNIFORM_TYPE_IMAGE; + u.binding = 5; + u.append_id(dmap.albedo); + uniforms.push_back(u); + } + { + RD::Uniform u; + u.uniform_type = RD::UNIFORM_TYPE_IMAGE; + u.binding = 6; + u.append_id(dmap.normal); + uniforms.push_back(u); + } + { + RD::Uniform u; + u.uniform_type = RD::UNIFORM_TYPE_IMAGE; + u.binding = 7; + u.append_id(dmap.orm); + uniforms.push_back(u); + } + { + RD::Uniform u; + u.uniform_type = RD::UNIFORM_TYPE_TEXTURE; + u.binding = 8; + u.append_id(dmap.fb_depth); + uniforms.push_back(u); + } + { + RD::Uniform u; + u.uniform_type = RD::UNIFORM_TYPE_TEXTURE; + u.binding = 9; + u.append_id(gi->voxel_gi_get_sdf_texture(probe)); + uniforms.push_back(u); + } + { + RD::Uniform u; + u.uniform_type = RD::UNIFORM_TYPE_SAMPLER; + u.binding = 10; + u.append_id(material_storage->sampler_rd_get_default(RS::CANVAS_ITEM_TEXTURE_FILTER_LINEAR_WITH_MIPMAPS, RS::CANVAS_ITEM_TEXTURE_REPEAT_DISABLED)); + uniforms.push_back(u); + } + { + RD::Uniform u; + u.uniform_type = RD::UNIFORM_TYPE_IMAGE; + u.binding = 11; + u.append_id(dmap.texture); + uniforms.push_back(u); + } + { + RD::Uniform u; + u.uniform_type = RD::UNIFORM_TYPE_IMAGE; + u.binding = 12; + u.append_id(dmap.depth); + uniforms.push_back(u); + } + + dmap.uniform_set = RD::get_singleton()->uniform_set_create(uniforms, gi->voxel_gi_lighting_shader_version_shaders[VOXEL_GI_SHADER_VERSION_DYNAMIC_OBJECT_LIGHTING], 0); + } + } else { + bool plot = dmap.mipmap >= 0; + bool write = dmap.mipmap < (mipmaps.size() - 1); + + Vector<RD::Uniform> uniforms; + + { + RD::Uniform u; + u.uniform_type = RD::UNIFORM_TYPE_IMAGE; + u.binding = 5; + u.append_id(dynamic_maps[dynamic_maps.size() - 1].texture); + uniforms.push_back(u); + } + { + RD::Uniform u; + u.uniform_type = RD::UNIFORM_TYPE_IMAGE; + u.binding = 6; + u.append_id(dynamic_maps[dynamic_maps.size() - 1].depth); + uniforms.push_back(u); + } + + if (write) { + { + RD::Uniform u; + u.uniform_type = RD::UNIFORM_TYPE_IMAGE; + u.binding = 7; + u.append_id(dmap.texture); + uniforms.push_back(u); + } + { + RD::Uniform u; + u.uniform_type = RD::UNIFORM_TYPE_IMAGE; + u.binding = 8; + u.append_id(dmap.depth); + uniforms.push_back(u); + } + } + + { + RD::Uniform u; + u.uniform_type = RD::UNIFORM_TYPE_TEXTURE; + u.binding = 9; + u.append_id(gi->voxel_gi_get_sdf_texture(probe)); + uniforms.push_back(u); + } + { + RD::Uniform u; + u.uniform_type = RD::UNIFORM_TYPE_SAMPLER; + u.binding = 10; + u.append_id(material_storage->sampler_rd_get_default(RS::CANVAS_ITEM_TEXTURE_FILTER_LINEAR_WITH_MIPMAPS, RS::CANVAS_ITEM_TEXTURE_REPEAT_DISABLED)); + uniforms.push_back(u); + } + + if (plot) { + { + RD::Uniform u; + u.uniform_type = RD::UNIFORM_TYPE_IMAGE; + u.binding = 11; + u.append_id(mipmaps[dmap.mipmap].texture); + uniforms.push_back(u); + } + } + + dmap.uniform_set = RD::get_singleton()->uniform_set_create( + uniforms, + gi->voxel_gi_lighting_shader_version_shaders[(write && plot) ? VOXEL_GI_SHADER_VERSION_DYNAMIC_SHRINK_WRITE_PLOT : (write ? VOXEL_GI_SHADER_VERSION_DYNAMIC_SHRINK_WRITE : VOXEL_GI_SHADER_VERSION_DYNAMIC_SHRINK_PLOT)], + 0); + } + + dynamic_maps.push_back(dmap); + } + } + } + + last_probe_data_version = data_version; + p_update_light_instances = true; //just in case + + RendererSceneRenderRD::get_singleton()->base_uniforms_changed(); + } + + // UDPDATE TIME + + if (has_dynamic_object_data) { + //if it has dynamic object data, it needs to be cleared + RD::get_singleton()->texture_clear(texture, Color(0, 0, 0, 0), 0, mipmaps.size(), 0, 1); + } + + uint32_t light_count = 0; + + if (p_update_light_instances || p_dynamic_objects.size() > 0) { + light_count = MIN(gi->voxel_gi_max_lights, (uint32_t)p_light_instances.size()); + + { + Transform3D to_cell = gi->voxel_gi_get_to_cell_xform(probe); + Transform3D to_probe_xform = to_cell * transform.affine_inverse(); + + //update lights + + for (uint32_t i = 0; i < light_count; i++) { + VoxelGILight &l = gi->voxel_gi_lights[i]; + RID light_instance = p_light_instances[i]; + RID light = light_storage->light_instance_get_base_light(light_instance); + + l.type = RSG::light_storage->light_get_type(light); + if (l.type == RS::LIGHT_DIRECTIONAL && RSG::light_storage->light_directional_get_sky_mode(light) == RS::LIGHT_DIRECTIONAL_SKY_MODE_SKY_ONLY) { + light_count--; + continue; + } + + l.attenuation = RSG::light_storage->light_get_param(light, RS::LIGHT_PARAM_ATTENUATION); + l.energy = RSG::light_storage->light_get_param(light, RS::LIGHT_PARAM_ENERGY) * RSG::light_storage->light_get_param(light, RS::LIGHT_PARAM_INDIRECT_ENERGY); + + if (RendererSceneRenderRD::get_singleton()->is_using_physical_light_units()) { + l.energy *= RSG::light_storage->light_get_param(light, RS::LIGHT_PARAM_INTENSITY); + + l.energy *= gi->voxel_gi_get_baked_exposure_normalization(probe); + + // Convert from Luminous Power to Luminous Intensity + if (l.type == RS::LIGHT_OMNI) { + l.energy *= 1.0 / (Math_PI * 4.0); + } else if (l.type == RS::LIGHT_SPOT) { + // Spot Lights are not physically accurate, Luminous Intensity should change in relation to the cone angle. + // We make this assumption to keep them easy to control. + l.energy *= 1.0 / Math_PI; + } + } + + l.radius = to_cell.basis.xform(Vector3(RSG::light_storage->light_get_param(light, RS::LIGHT_PARAM_RANGE), 0, 0)).length(); + Color color = RSG::light_storage->light_get_color(light).srgb_to_linear(); + l.color[0] = color.r; + l.color[1] = color.g; + l.color[2] = color.b; + + l.cos_spot_angle = Math::cos(Math::deg_to_rad(RSG::light_storage->light_get_param(light, RS::LIGHT_PARAM_SPOT_ANGLE))); + l.inv_spot_attenuation = 1.0f / RSG::light_storage->light_get_param(light, RS::LIGHT_PARAM_SPOT_ATTENUATION); + + Transform3D xform = light_storage->light_instance_get_base_transform(light_instance); + + Vector3 pos = to_probe_xform.xform(xform.origin); + Vector3 dir = to_probe_xform.basis.xform(-xform.basis.get_column(2)).normalized(); + + l.position[0] = pos.x; + l.position[1] = pos.y; + l.position[2] = pos.z; + + l.direction[0] = dir.x; + l.direction[1] = dir.y; + l.direction[2] = dir.z; + + l.has_shadow = RSG::light_storage->light_has_shadow(light); + } + + RD::get_singleton()->buffer_update(gi->voxel_gi_lights_uniform, 0, sizeof(VoxelGILight) * light_count, gi->voxel_gi_lights); + } + } + + if (has_dynamic_object_data || p_update_light_instances || p_dynamic_objects.size()) { + // PROCESS MIPMAPS + if (mipmaps.size()) { + //can update mipmaps + + Vector3i probe_size = gi->voxel_gi_get_octree_size(probe); + + VoxelGIPushConstant push_constant; + + push_constant.limits[0] = probe_size.x; + push_constant.limits[1] = probe_size.y; + push_constant.limits[2] = probe_size.z; + push_constant.stack_size = mipmaps.size(); + push_constant.emission_scale = 1.0; + push_constant.propagation = gi->voxel_gi_get_propagation(probe); + push_constant.dynamic_range = gi->voxel_gi_get_dynamic_range(probe); + push_constant.light_count = light_count; + push_constant.aniso_strength = 0; + + /* print_line("probe update to version " + itos(last_probe_version)); + print_line("propagation " + rtos(push_constant.propagation)); + print_line("dynrange " + rtos(push_constant.dynamic_range)); + */ + RD::ComputeListID compute_list = RD::get_singleton()->compute_list_begin(); + + int passes; + if (p_update_light_instances) { + passes = gi->voxel_gi_is_using_two_bounces(probe) ? 2 : 1; + } else { + passes = 1; //only re-blitting is necessary + } + int wg_size = 64; + int64_t wg_limit_x = (int64_t)RD::get_singleton()->limit_get(RD::LIMIT_MAX_COMPUTE_WORKGROUP_COUNT_X); + + for (int pass = 0; pass < passes; pass++) { + if (p_update_light_instances) { + for (int i = 0; i < mipmaps.size(); i++) { + if (i == 0) { + RD::get_singleton()->compute_list_bind_compute_pipeline(compute_list, gi->voxel_gi_lighting_shader_version_pipelines[pass == 0 ? VOXEL_GI_SHADER_VERSION_COMPUTE_LIGHT : VOXEL_GI_SHADER_VERSION_COMPUTE_SECOND_BOUNCE]); + } else if (i == 1) { + RD::get_singleton()->compute_list_bind_compute_pipeline(compute_list, gi->voxel_gi_lighting_shader_version_pipelines[VOXEL_GI_SHADER_VERSION_COMPUTE_MIPMAP]); + } + + if (pass == 1 || i > 0) { + RD::get_singleton()->compute_list_add_barrier(compute_list); //wait til previous step is done + } + if (pass == 0 || i > 0) { + RD::get_singleton()->compute_list_bind_uniform_set(compute_list, mipmaps[i].uniform_set, 0); + } else { + RD::get_singleton()->compute_list_bind_uniform_set(compute_list, mipmaps[i].second_bounce_uniform_set, 0); + } + + push_constant.cell_offset = mipmaps[i].cell_offset; + push_constant.cell_count = mipmaps[i].cell_count; + + int64_t wg_todo = (mipmaps[i].cell_count - 1) / wg_size + 1; + while (wg_todo) { + int64_t wg_count = MIN(wg_todo, wg_limit_x); + RD::get_singleton()->compute_list_set_push_constant(compute_list, &push_constant, sizeof(VoxelGIPushConstant)); + RD::get_singleton()->compute_list_dispatch(compute_list, wg_count, 1, 1); + wg_todo -= wg_count; + push_constant.cell_offset += wg_count * wg_size; + } + } + + RD::get_singleton()->compute_list_add_barrier(compute_list); //wait til previous step is done + } + + RD::get_singleton()->compute_list_bind_compute_pipeline(compute_list, gi->voxel_gi_lighting_shader_version_pipelines[VOXEL_GI_SHADER_VERSION_WRITE_TEXTURE]); + + for (int i = 0; i < mipmaps.size(); i++) { + RD::get_singleton()->compute_list_bind_uniform_set(compute_list, mipmaps[i].write_uniform_set, 0); + + push_constant.cell_offset = mipmaps[i].cell_offset; + push_constant.cell_count = mipmaps[i].cell_count; + + int64_t wg_todo = (mipmaps[i].cell_count - 1) / wg_size + 1; + while (wg_todo) { + int64_t wg_count = MIN(wg_todo, wg_limit_x); + RD::get_singleton()->compute_list_set_push_constant(compute_list, &push_constant, sizeof(VoxelGIPushConstant)); + RD::get_singleton()->compute_list_dispatch(compute_list, wg_count, 1, 1); + wg_todo -= wg_count; + push_constant.cell_offset += wg_count * wg_size; + } + } + } + + RD::get_singleton()->compute_list_end(); + } + } + + has_dynamic_object_data = false; //clear until dynamic object data is used again + + if (p_dynamic_objects.size() && dynamic_maps.size()) { + Vector3i octree_size = gi->voxel_gi_get_octree_size(probe); + int multiplier = dynamic_maps[0].size / MAX(MAX(octree_size.x, octree_size.y), octree_size.z); + + Transform3D oversample_scale; + oversample_scale.basis.scale(Vector3(multiplier, multiplier, multiplier)); + + Transform3D to_cell = oversample_scale * gi->voxel_gi_get_to_cell_xform(probe); + Transform3D to_world_xform = transform * to_cell.affine_inverse(); + Transform3D to_probe_xform = to_world_xform.affine_inverse(); + + AABB probe_aabb(Vector3(), octree_size); + + //this could probably be better parallelized in compute.. + for (int i = 0; i < (int)p_dynamic_objects.size(); i++) { + RenderGeometryInstance *instance = p_dynamic_objects[i]; + + //transform aabb to voxel_gi + AABB aabb = (to_probe_xform * instance->get_transform()).xform(instance->get_aabb()); + + //this needs to wrap to grid resolution to avoid jitter + //also extend margin a bit just in case + Vector3i begin = aabb.position - Vector3i(1, 1, 1); + Vector3i end = aabb.position + aabb.size + Vector3i(1, 1, 1); + + for (int j = 0; j < 3; j++) { + if ((end[j] - begin[j]) & 1) { + end[j]++; //for half extents split, it needs to be even + } + begin[j] = MAX(begin[j], 0); + end[j] = MIN(end[j], octree_size[j] * multiplier); + } + + //aabb = aabb.intersection(probe_aabb); //intersect + aabb.position = begin; + aabb.size = end - begin; + + //print_line("aabb: " + aabb); + + for (int j = 0; j < 6; j++) { + //if (j != 0 && j != 3) { + // continue; + //} + static const Vector3 render_z[6] = { + Vector3(1, 0, 0), + Vector3(0, 1, 0), + Vector3(0, 0, 1), + Vector3(-1, 0, 0), + Vector3(0, -1, 0), + Vector3(0, 0, -1), + }; + static const Vector3 render_up[6] = { + Vector3(0, 1, 0), + Vector3(0, 0, 1), + Vector3(0, 1, 0), + Vector3(0, 1, 0), + Vector3(0, 0, 1), + Vector3(0, 1, 0), + }; + + Vector3 render_dir = render_z[j]; + Vector3 up_dir = render_up[j]; + + Vector3 center = aabb.get_center(); + Transform3D xform; + xform.set_look_at(center - aabb.size * 0.5 * render_dir, center, up_dir); + + Vector3 x_dir = xform.basis.get_column(0).abs(); + int x_axis = int(Vector3(0, 1, 2).dot(x_dir)); + Vector3 y_dir = xform.basis.get_column(1).abs(); + int y_axis = int(Vector3(0, 1, 2).dot(y_dir)); + Vector3 z_dir = -xform.basis.get_column(2); + int z_axis = int(Vector3(0, 1, 2).dot(z_dir.abs())); + + Rect2i rect(aabb.position[x_axis], aabb.position[y_axis], aabb.size[x_axis], aabb.size[y_axis]); + bool x_flip = bool(Vector3(1, 1, 1).dot(xform.basis.get_column(0)) < 0); + bool y_flip = bool(Vector3(1, 1, 1).dot(xform.basis.get_column(1)) < 0); + bool z_flip = bool(Vector3(1, 1, 1).dot(xform.basis.get_column(2)) > 0); + + Projection cm; + cm.set_orthogonal(-rect.size.width / 2, rect.size.width / 2, -rect.size.height / 2, rect.size.height / 2, 0.0001, aabb.size[z_axis]); + + if (RendererSceneRenderRD::get_singleton()->cull_argument.size() == 0) { + RendererSceneRenderRD::get_singleton()->cull_argument.push_back(nullptr); + } + RendererSceneRenderRD::get_singleton()->cull_argument[0] = instance; + + float exposure_normalization = 1.0; + if (RendererSceneRenderRD::get_singleton()->is_using_physical_light_units()) { + exposure_normalization = gi->voxel_gi_get_baked_exposure_normalization(probe); + } + + RendererSceneRenderRD::get_singleton()->_render_material(to_world_xform * xform, cm, true, RendererSceneRenderRD::get_singleton()->cull_argument, dynamic_maps[0].fb, Rect2i(Vector2i(), rect.size), exposure_normalization); + + VoxelGIDynamicPushConstant push_constant; + memset(&push_constant, 0, sizeof(VoxelGIDynamicPushConstant)); + push_constant.limits[0] = octree_size.x; + push_constant.limits[1] = octree_size.y; + push_constant.limits[2] = octree_size.z; + push_constant.light_count = p_light_instances.size(); + push_constant.x_dir[0] = x_dir[0]; + push_constant.x_dir[1] = x_dir[1]; + push_constant.x_dir[2] = x_dir[2]; + push_constant.y_dir[0] = y_dir[0]; + push_constant.y_dir[1] = y_dir[1]; + push_constant.y_dir[2] = y_dir[2]; + push_constant.z_dir[0] = z_dir[0]; + push_constant.z_dir[1] = z_dir[1]; + push_constant.z_dir[2] = z_dir[2]; + push_constant.z_base = xform.origin[z_axis]; + push_constant.z_sign = (z_flip ? -1.0 : 1.0); + push_constant.pos_multiplier = float(1.0) / multiplier; + push_constant.dynamic_range = gi->voxel_gi_get_dynamic_range(probe); + push_constant.flip_x = x_flip; + push_constant.flip_y = y_flip; + push_constant.rect_pos[0] = rect.position[0]; + push_constant.rect_pos[1] = rect.position[1]; + push_constant.rect_size[0] = rect.size[0]; + push_constant.rect_size[1] = rect.size[1]; + push_constant.prev_rect_ofs[0] = 0; + push_constant.prev_rect_ofs[1] = 0; + push_constant.prev_rect_size[0] = 0; + push_constant.prev_rect_size[1] = 0; + push_constant.on_mipmap = false; + push_constant.propagation = gi->voxel_gi_get_propagation(probe); + push_constant.pad[0] = 0; + push_constant.pad[1] = 0; + push_constant.pad[2] = 0; + + //process lighting + RD::ComputeListID compute_list = RD::get_singleton()->compute_list_begin(); + RD::get_singleton()->compute_list_bind_compute_pipeline(compute_list, gi->voxel_gi_lighting_shader_version_pipelines[VOXEL_GI_SHADER_VERSION_DYNAMIC_OBJECT_LIGHTING]); + RD::get_singleton()->compute_list_bind_uniform_set(compute_list, dynamic_maps[0].uniform_set, 0); + RD::get_singleton()->compute_list_set_push_constant(compute_list, &push_constant, sizeof(VoxelGIDynamicPushConstant)); + RD::get_singleton()->compute_list_dispatch(compute_list, (rect.size.x - 1) / 8 + 1, (rect.size.y - 1) / 8 + 1, 1); + //print_line("rect: " + itos(i) + ": " + rect); + + for (int k = 1; k < dynamic_maps.size(); k++) { + // enlarge the rect if needed so all pixels fit when downscaled, + // this ensures downsampling is smooth and optimal because no pixels are left behind + + //x + if (rect.position.x & 1) { + rect.size.x++; + push_constant.prev_rect_ofs[0] = 1; //this is used to ensure reading is also optimal + } else { + push_constant.prev_rect_ofs[0] = 0; + } + if (rect.size.x & 1) { + rect.size.x++; + } + + rect.position.x >>= 1; + rect.size.x = MAX(1, rect.size.x >> 1); + + //y + if (rect.position.y & 1) { + rect.size.y++; + push_constant.prev_rect_ofs[1] = 1; + } else { + push_constant.prev_rect_ofs[1] = 0; + } + if (rect.size.y & 1) { + rect.size.y++; + } + + rect.position.y >>= 1; + rect.size.y = MAX(1, rect.size.y >> 1); + + //shrink limits to ensure plot does not go outside map + if (dynamic_maps[k].mipmap > 0) { + for (int l = 0; l < 3; l++) { + push_constant.limits[l] = MAX(1, push_constant.limits[l] >> 1); + } + } + + //print_line("rect: " + itos(i) + ": " + rect); + push_constant.rect_pos[0] = rect.position[0]; + push_constant.rect_pos[1] = rect.position[1]; + push_constant.prev_rect_size[0] = push_constant.rect_size[0]; + push_constant.prev_rect_size[1] = push_constant.rect_size[1]; + push_constant.rect_size[0] = rect.size[0]; + push_constant.rect_size[1] = rect.size[1]; + push_constant.on_mipmap = dynamic_maps[k].mipmap > 0; + + RD::get_singleton()->compute_list_add_barrier(compute_list); + + if (dynamic_maps[k].mipmap < 0) { + RD::get_singleton()->compute_list_bind_compute_pipeline(compute_list, gi->voxel_gi_lighting_shader_version_pipelines[VOXEL_GI_SHADER_VERSION_DYNAMIC_SHRINK_WRITE]); + } else if (k < dynamic_maps.size() - 1) { + RD::get_singleton()->compute_list_bind_compute_pipeline(compute_list, gi->voxel_gi_lighting_shader_version_pipelines[VOXEL_GI_SHADER_VERSION_DYNAMIC_SHRINK_WRITE_PLOT]); + } else { + RD::get_singleton()->compute_list_bind_compute_pipeline(compute_list, gi->voxel_gi_lighting_shader_version_pipelines[VOXEL_GI_SHADER_VERSION_DYNAMIC_SHRINK_PLOT]); + } + RD::get_singleton()->compute_list_bind_uniform_set(compute_list, dynamic_maps[k].uniform_set, 0); + RD::get_singleton()->compute_list_set_push_constant(compute_list, &push_constant, sizeof(VoxelGIDynamicPushConstant)); + RD::get_singleton()->compute_list_dispatch(compute_list, (rect.size.x - 1) / 8 + 1, (rect.size.y - 1) / 8 + 1, 1); + } + + RD::get_singleton()->compute_list_end(); + } + } + + has_dynamic_object_data = true; //clear until dynamic object data is used again + } + + last_probe_version = gi->voxel_gi_get_version(probe); +} + +void GI::VoxelGIInstance::free_resources() { + if (texture.is_valid()) { + RD::get_singleton()->free(texture); + RD::get_singleton()->free(write_buffer); + + texture = RID(); + write_buffer = RID(); + mipmaps.clear(); + } + + for (int i = 0; i < dynamic_maps.size(); i++) { + RD::get_singleton()->free(dynamic_maps[i].texture); + RD::get_singleton()->free(dynamic_maps[i].depth); + + // these only exist on the first level... + if (dynamic_maps[i].fb_depth.is_valid()) { + RD::get_singleton()->free(dynamic_maps[i].fb_depth); + } + if (dynamic_maps[i].albedo.is_valid()) { + RD::get_singleton()->free(dynamic_maps[i].albedo); + } + if (dynamic_maps[i].normal.is_valid()) { + RD::get_singleton()->free(dynamic_maps[i].normal); + } + if (dynamic_maps[i].orm.is_valid()) { + RD::get_singleton()->free(dynamic_maps[i].orm); + } + } + dynamic_maps.clear(); +} + +void GI::VoxelGIInstance::debug(RD::DrawListID p_draw_list, RID p_framebuffer, const Projection &p_camera_with_transform, bool p_lighting, bool p_emission, float p_alpha) { + RendererRD::MaterialStorage *material_storage = RendererRD::MaterialStorage::get_singleton(); + + if (mipmaps.size() == 0) { + return; + } + + Projection cam_transform = (p_camera_with_transform * Projection(transform)) * Projection(gi->voxel_gi_get_to_cell_xform(probe).affine_inverse()); + + int level = 0; + Vector3i octree_size = gi->voxel_gi_get_octree_size(probe); + + VoxelGIDebugPushConstant push_constant; + push_constant.alpha = p_alpha; + push_constant.dynamic_range = gi->voxel_gi_get_dynamic_range(probe); + push_constant.cell_offset = mipmaps[level].cell_offset; + push_constant.level = level; + + push_constant.bounds[0] = octree_size.x >> level; + push_constant.bounds[1] = octree_size.y >> level; + push_constant.bounds[2] = octree_size.z >> level; + push_constant.pad = 0; + + for (int i = 0; i < 4; i++) { + for (int j = 0; j < 4; j++) { + push_constant.projection[i * 4 + j] = cam_transform.columns[i][j]; + } + } + + if (gi->voxel_gi_debug_uniform_set.is_valid()) { + RD::get_singleton()->free(gi->voxel_gi_debug_uniform_set); + } + Vector<RD::Uniform> uniforms; + { + RD::Uniform u; + u.uniform_type = RD::UNIFORM_TYPE_STORAGE_BUFFER; + u.binding = 1; + u.append_id(gi->voxel_gi_get_data_buffer(probe)); + uniforms.push_back(u); + } + { + RD::Uniform u; + u.uniform_type = RD::UNIFORM_TYPE_TEXTURE; + u.binding = 2; + u.append_id(texture); + uniforms.push_back(u); + } + { + RD::Uniform u; + u.uniform_type = RD::UNIFORM_TYPE_SAMPLER; + u.binding = 3; + u.append_id(material_storage->sampler_rd_get_default(RS::CANVAS_ITEM_TEXTURE_FILTER_NEAREST, RS::CANVAS_ITEM_TEXTURE_REPEAT_DISABLED)); + uniforms.push_back(u); + } + + int cell_count; + if (!p_emission && p_lighting && has_dynamic_object_data) { + cell_count = push_constant.bounds[0] * push_constant.bounds[1] * push_constant.bounds[2]; + } else { + cell_count = mipmaps[level].cell_count; + } + + gi->voxel_gi_debug_uniform_set = RD::get_singleton()->uniform_set_create(uniforms, gi->voxel_gi_debug_shader_version_shaders[0], 0); + + int voxel_gi_debug_pipeline = VOXEL_GI_DEBUG_COLOR; + if (p_emission) { + voxel_gi_debug_pipeline = VOXEL_GI_DEBUG_EMISSION; + } else if (p_lighting) { + voxel_gi_debug_pipeline = has_dynamic_object_data ? VOXEL_GI_DEBUG_LIGHT_FULL : VOXEL_GI_DEBUG_LIGHT; + } + RD::get_singleton()->draw_list_bind_render_pipeline( + p_draw_list, + gi->voxel_gi_debug_shader_version_pipelines[voxel_gi_debug_pipeline].get_render_pipeline(RD::INVALID_ID, RD::get_singleton()->framebuffer_get_format(p_framebuffer))); + RD::get_singleton()->draw_list_bind_uniform_set(p_draw_list, gi->voxel_gi_debug_uniform_set, 0); + RD::get_singleton()->draw_list_set_push_constant(p_draw_list, &push_constant, sizeof(VoxelGIDebugPushConstant)); + RD::get_singleton()->draw_list_draw(p_draw_list, false, cell_count, 36); +} + +//////////////////////////////////////////////////////////////////////////////// +// GI + +GI::GI() { + singleton = this; + + sdfgi_ray_count = RS::EnvironmentSDFGIRayCount(CLAMP(int32_t(GLOBAL_GET("rendering/global_illumination/sdfgi/probe_ray_count")), 0, int32_t(RS::ENV_SDFGI_RAY_COUNT_MAX - 1))); + sdfgi_frames_to_converge = RS::EnvironmentSDFGIFramesToConverge(CLAMP(int32_t(GLOBAL_GET("rendering/global_illumination/sdfgi/frames_to_converge")), 0, int32_t(RS::ENV_SDFGI_CONVERGE_MAX - 1))); + sdfgi_frames_to_update_light = RS::EnvironmentSDFGIFramesToUpdateLight(CLAMP(int32_t(GLOBAL_GET("rendering/global_illumination/sdfgi/frames_to_update_lights")), 0, int32_t(RS::ENV_SDFGI_UPDATE_LIGHT_MAX - 1))); +} + +GI::~GI() { + singleton = nullptr; +} + +void GI::init(SkyRD *p_sky) { + RendererRD::TextureStorage *texture_storage = RendererRD::TextureStorage::get_singleton(); + RendererRD::MaterialStorage *material_storage = RendererRD::MaterialStorage::get_singleton(); + + /* GI */ + + { + //kinda complicated to compute the amount of slots, we try to use as many as we can + + voxel_gi_lights = memnew_arr(VoxelGILight, voxel_gi_max_lights); + voxel_gi_lights_uniform = RD::get_singleton()->uniform_buffer_create(voxel_gi_max_lights * sizeof(VoxelGILight)); + voxel_gi_quality = RS::VoxelGIQuality(CLAMP(int(GLOBAL_GET("rendering/global_illumination/voxel_gi/quality")), 0, 1)); + + String defines = "\n#define MAX_LIGHTS " + itos(voxel_gi_max_lights) + "\n"; + + Vector<String> versions; + versions.push_back("\n#define MODE_COMPUTE_LIGHT\n"); + versions.push_back("\n#define MODE_SECOND_BOUNCE\n"); + versions.push_back("\n#define MODE_UPDATE_MIPMAPS\n"); + versions.push_back("\n#define MODE_WRITE_TEXTURE\n"); + versions.push_back("\n#define MODE_DYNAMIC\n#define MODE_DYNAMIC_LIGHTING\n"); + versions.push_back("\n#define MODE_DYNAMIC\n#define MODE_DYNAMIC_SHRINK\n#define MODE_DYNAMIC_SHRINK_WRITE\n"); + versions.push_back("\n#define MODE_DYNAMIC\n#define MODE_DYNAMIC_SHRINK\n#define MODE_DYNAMIC_SHRINK_PLOT\n"); + versions.push_back("\n#define MODE_DYNAMIC\n#define MODE_DYNAMIC_SHRINK\n#define MODE_DYNAMIC_SHRINK_PLOT\n#define MODE_DYNAMIC_SHRINK_WRITE\n"); + + voxel_gi_shader.initialize(versions, defines); + voxel_gi_lighting_shader_version = voxel_gi_shader.version_create(); + for (int i = 0; i < VOXEL_GI_SHADER_VERSION_MAX; i++) { + voxel_gi_lighting_shader_version_shaders[i] = voxel_gi_shader.version_get_shader(voxel_gi_lighting_shader_version, i); + voxel_gi_lighting_shader_version_pipelines[i] = RD::get_singleton()->compute_pipeline_create(voxel_gi_lighting_shader_version_shaders[i]); + } + } + + { + String defines; + Vector<String> versions; + versions.push_back("\n#define MODE_DEBUG_COLOR\n"); + versions.push_back("\n#define MODE_DEBUG_LIGHT\n"); + versions.push_back("\n#define MODE_DEBUG_EMISSION\n"); + versions.push_back("\n#define MODE_DEBUG_LIGHT\n#define MODE_DEBUG_LIGHT_FULL\n"); + + voxel_gi_debug_shader.initialize(versions, defines); + voxel_gi_debug_shader_version = voxel_gi_debug_shader.version_create(); + for (int i = 0; i < VOXEL_GI_DEBUG_MAX; i++) { + voxel_gi_debug_shader_version_shaders[i] = voxel_gi_debug_shader.version_get_shader(voxel_gi_debug_shader_version, i); + + RD::PipelineRasterizationState rs; + rs.cull_mode = RD::POLYGON_CULL_FRONT; + RD::PipelineDepthStencilState ds; + ds.enable_depth_test = true; + ds.enable_depth_write = true; + ds.depth_compare_operator = RD::COMPARE_OP_LESS_OR_EQUAL; + + voxel_gi_debug_shader_version_pipelines[i].setup(voxel_gi_debug_shader_version_shaders[i], RD::RENDER_PRIMITIVE_TRIANGLES, rs, RD::PipelineMultisampleState(), ds, RD::PipelineColorBlendState::create_disabled(), 0); + } + } + + /* SDGFI */ + + { + Vector<String> preprocess_modes; + preprocess_modes.push_back("\n#define MODE_SCROLL\n"); + preprocess_modes.push_back("\n#define MODE_SCROLL_OCCLUSION\n"); + preprocess_modes.push_back("\n#define MODE_INITIALIZE_JUMP_FLOOD\n"); + preprocess_modes.push_back("\n#define MODE_INITIALIZE_JUMP_FLOOD_HALF\n"); + preprocess_modes.push_back("\n#define MODE_JUMPFLOOD\n"); + preprocess_modes.push_back("\n#define MODE_JUMPFLOOD_OPTIMIZED\n"); + preprocess_modes.push_back("\n#define MODE_UPSCALE_JUMP_FLOOD\n"); + preprocess_modes.push_back("\n#define MODE_OCCLUSION\n"); + preprocess_modes.push_back("\n#define MODE_STORE\n"); + String defines = "\n#define OCCLUSION_SIZE " + itos(SDFGI::CASCADE_SIZE / SDFGI::PROBE_DIVISOR) + "\n"; + sdfgi_shader.preprocess.initialize(preprocess_modes, defines); + sdfgi_shader.preprocess_shader = sdfgi_shader.preprocess.version_create(); + for (int i = 0; i < SDFGIShader::PRE_PROCESS_MAX; i++) { + sdfgi_shader.preprocess_pipeline[i] = RD::get_singleton()->compute_pipeline_create(sdfgi_shader.preprocess.version_get_shader(sdfgi_shader.preprocess_shader, i)); + } + } + + { + //calculate tables + String defines = "\n#define OCT_SIZE " + itos(SDFGI::LIGHTPROBE_OCT_SIZE) + "\n"; + + Vector<String> direct_light_modes; + direct_light_modes.push_back("\n#define MODE_PROCESS_STATIC\n"); + direct_light_modes.push_back("\n#define MODE_PROCESS_DYNAMIC\n"); + sdfgi_shader.direct_light.initialize(direct_light_modes, defines); + sdfgi_shader.direct_light_shader = sdfgi_shader.direct_light.version_create(); + for (int i = 0; i < SDFGIShader::DIRECT_LIGHT_MODE_MAX; i++) { + sdfgi_shader.direct_light_pipeline[i] = RD::get_singleton()->compute_pipeline_create(sdfgi_shader.direct_light.version_get_shader(sdfgi_shader.direct_light_shader, i)); + } + } + + { + //calculate tables + String defines = "\n#define OCT_SIZE " + itos(SDFGI::LIGHTPROBE_OCT_SIZE) + "\n"; + defines += "\n#define SH_SIZE " + itos(SDFGI::SH_SIZE) + "\n"; + if (p_sky->sky_use_cubemap_array) { + defines += "\n#define USE_CUBEMAP_ARRAY\n"; + } + + Vector<String> integrate_modes; + integrate_modes.push_back("\n#define MODE_PROCESS\n"); + integrate_modes.push_back("\n#define MODE_STORE\n"); + integrate_modes.push_back("\n#define MODE_SCROLL\n"); + integrate_modes.push_back("\n#define MODE_SCROLL_STORE\n"); + sdfgi_shader.integrate.initialize(integrate_modes, defines); + sdfgi_shader.integrate_shader = sdfgi_shader.integrate.version_create(); + + for (int i = 0; i < SDFGIShader::INTEGRATE_MODE_MAX; i++) { + sdfgi_shader.integrate_pipeline[i] = RD::get_singleton()->compute_pipeline_create(sdfgi_shader.integrate.version_get_shader(sdfgi_shader.integrate_shader, i)); + } + + { + Vector<RD::Uniform> uniforms; + + { + RD::Uniform u; + u.uniform_type = RD::UNIFORM_TYPE_TEXTURE; + u.binding = 0; + if (p_sky->sky_use_cubemap_array) { + u.append_id(texture_storage->texture_rd_get_default(RendererRD::TextureStorage::DEFAULT_RD_TEXTURE_CUBEMAP_ARRAY_WHITE)); + } else { + u.append_id(texture_storage->texture_rd_get_default(RendererRD::TextureStorage::DEFAULT_RD_TEXTURE_CUBEMAP_WHITE)); + } + uniforms.push_back(u); + } + { + RD::Uniform u; + u.uniform_type = RD::UNIFORM_TYPE_SAMPLER; + u.binding = 1; + u.append_id(material_storage->sampler_rd_get_default(RS::CANVAS_ITEM_TEXTURE_FILTER_LINEAR_WITH_MIPMAPS, RS::CANVAS_ITEM_TEXTURE_REPEAT_DISABLED)); + uniforms.push_back(u); + } + + sdfgi_shader.integrate_default_sky_uniform_set = RD::get_singleton()->uniform_set_create(uniforms, sdfgi_shader.integrate.version_get_shader(sdfgi_shader.integrate_shader, 0), 1); + } + } + + //GK + { + //calculate tables + String defines = "\n#define SDFGI_OCT_SIZE " + itos(SDFGI::LIGHTPROBE_OCT_SIZE) + "\n"; + Vector<String> gi_modes; + + gi_modes.push_back("\n#define USE_VOXEL_GI_INSTANCES\n"); // MODE_VOXEL_GI + gi_modes.push_back("\n#define USE_SDFGI\n"); // MODE_SDFGI + gi_modes.push_back("\n#define USE_SDFGI\n\n#define USE_VOXEL_GI_INSTANCES\n"); // MODE_COMBINED + + shader.initialize(gi_modes, defines); + shader_version = shader.version_create(); + + Vector<RD::PipelineSpecializationConstant> specialization_constants; + + { + RD::PipelineSpecializationConstant sc; + sc.type = RD::PIPELINE_SPECIALIZATION_CONSTANT_TYPE_BOOL; + sc.constant_id = 0; // SHADER_SPECIALIZATION_HALF_RES + sc.bool_value = false; + specialization_constants.push_back(sc); + + sc.type = RD::PIPELINE_SPECIALIZATION_CONSTANT_TYPE_BOOL; + sc.constant_id = 1; // SHADER_SPECIALIZATION_USE_FULL_PROJECTION_MATRIX + sc.bool_value = false; + specialization_constants.push_back(sc); + + sc.type = RD::PIPELINE_SPECIALIZATION_CONSTANT_TYPE_BOOL; + sc.constant_id = 2; // SHADER_SPECIALIZATION_USE_VRS + sc.bool_value = false; + specialization_constants.push_back(sc); + } + + for (int v = 0; v < SHADER_SPECIALIZATION_VARIATIONS; v++) { + specialization_constants.ptrw()[0].bool_value = (v & SHADER_SPECIALIZATION_HALF_RES) ? true : false; + specialization_constants.ptrw()[1].bool_value = (v & SHADER_SPECIALIZATION_USE_FULL_PROJECTION_MATRIX) ? true : false; + specialization_constants.ptrw()[2].bool_value = (v & SHADER_SPECIALIZATION_USE_VRS) ? true : false; + for (int i = 0; i < MODE_MAX; i++) { + pipelines[v][i] = RD::get_singleton()->compute_pipeline_create(shader.version_get_shader(shader_version, i), specialization_constants); + } + } + + sdfgi_ubo = RD::get_singleton()->uniform_buffer_create(sizeof(SDFGIData)); + } + { + String defines = "\n#define OCT_SIZE " + itos(SDFGI::LIGHTPROBE_OCT_SIZE) + "\n"; + Vector<String> debug_modes; + debug_modes.push_back(""); + sdfgi_shader.debug.initialize(debug_modes, defines); + sdfgi_shader.debug_shader = sdfgi_shader.debug.version_create(); + sdfgi_shader.debug_shader_version = sdfgi_shader.debug.version_get_shader(sdfgi_shader.debug_shader, 0); + sdfgi_shader.debug_pipeline = RD::get_singleton()->compute_pipeline_create(sdfgi_shader.debug_shader_version); + } + { + String defines = "\n#define OCT_SIZE " + itos(SDFGI::LIGHTPROBE_OCT_SIZE) + "\n"; + + Vector<String> versions; + versions.push_back("\n#define MODE_PROBES\n"); + versions.push_back("\n#define MODE_PROBES\n#define USE_MULTIVIEW\n"); + versions.push_back("\n#define MODE_VISIBILITY\n"); + versions.push_back("\n#define MODE_VISIBILITY\n#define USE_MULTIVIEW\n"); + + sdfgi_shader.debug_probes.initialize(versions, defines); + + // TODO disable multiview versions if turned off + + sdfgi_shader.debug_probes_shader = sdfgi_shader.debug_probes.version_create(); + + { + RD::PipelineRasterizationState rs; + rs.cull_mode = RD::POLYGON_CULL_DISABLED; + RD::PipelineDepthStencilState ds; + ds.enable_depth_test = true; + ds.enable_depth_write = true; + ds.depth_compare_operator = RD::COMPARE_OP_LESS_OR_EQUAL; + for (int i = 0; i < SDFGIShader::PROBE_DEBUG_MAX; i++) { + // TODO check if version is enabled + + RID debug_probes_shader_version = sdfgi_shader.debug_probes.version_get_shader(sdfgi_shader.debug_probes_shader, i); + sdfgi_shader.debug_probes_pipeline[i].setup(debug_probes_shader_version, RD::RENDER_PRIMITIVE_TRIANGLE_STRIPS, rs, RD::PipelineMultisampleState(), ds, RD::PipelineColorBlendState::create_disabled(), 0); + } + } + } + default_voxel_gi_buffer = RD::get_singleton()->uniform_buffer_create(sizeof(VoxelGIData) * MAX_VOXEL_GI_INSTANCES); + half_resolution = GLOBAL_GET("rendering/global_illumination/gi/use_half_resolution"); +} + +void GI::free() { + RD::get_singleton()->free(default_voxel_gi_buffer); + RD::get_singleton()->free(voxel_gi_lights_uniform); + RD::get_singleton()->free(sdfgi_ubo); + + voxel_gi_debug_shader.version_free(voxel_gi_debug_shader_version); + voxel_gi_shader.version_free(voxel_gi_lighting_shader_version); + shader.version_free(shader_version); + sdfgi_shader.debug_probes.version_free(sdfgi_shader.debug_probes_shader); + sdfgi_shader.debug.version_free(sdfgi_shader.debug_shader); + sdfgi_shader.direct_light.version_free(sdfgi_shader.direct_light_shader); + sdfgi_shader.integrate.version_free(sdfgi_shader.integrate_shader); + sdfgi_shader.preprocess.version_free(sdfgi_shader.preprocess_shader); + + if (voxel_gi_lights) { + memdelete_arr(voxel_gi_lights); + } +} + +Ref<GI::SDFGI> GI::create_sdfgi(RID p_env, const Vector3 &p_world_position, uint32_t p_requested_history_size) { + Ref<SDFGI> sdfgi; + sdfgi.instantiate(); + + sdfgi->create(p_env, p_world_position, p_requested_history_size, this); + + return sdfgi; +} + +void GI::setup_voxel_gi_instances(RenderDataRD *p_render_data, Ref<RenderSceneBuffersRD> p_render_buffers, const Transform3D &p_transform, const PagedArray<RID> &p_voxel_gi_instances, uint32_t &r_voxel_gi_instances_used) { + ERR_FAIL_COND(p_render_buffers.is_null()); + + RendererRD::TextureStorage *texture_storage = RendererRD::TextureStorage::get_singleton(); + ERR_FAIL_NULL(texture_storage); + + r_voxel_gi_instances_used = 0; + + Ref<RenderBuffersGI> rbgi = p_render_buffers->get_custom_data(RB_SCOPE_GI); + ERR_FAIL_COND(rbgi.is_null()); + + RID voxel_gi_buffer = rbgi->get_voxel_gi_buffer(); + VoxelGIData voxel_gi_data[MAX_VOXEL_GI_INSTANCES]; + + bool voxel_gi_instances_changed = false; + + Transform3D to_camera; + to_camera.origin = p_transform.origin; //only translation, make local + + for (int i = 0; i < MAX_VOXEL_GI_INSTANCES; i++) { + RID texture; + if (i < (int)p_voxel_gi_instances.size()) { + VoxelGIInstance *gipi = voxel_gi_instance_owner.get_or_null(p_voxel_gi_instances[i]); + + if (gipi) { + texture = gipi->texture; + VoxelGIData &gipd = voxel_gi_data[i]; + + RID base_probe = gipi->probe; + + Transform3D to_cell = voxel_gi_get_to_cell_xform(gipi->probe) * gipi->transform.affine_inverse() * to_camera; + + gipd.xform[0] = to_cell.basis.rows[0][0]; + gipd.xform[1] = to_cell.basis.rows[1][0]; + gipd.xform[2] = to_cell.basis.rows[2][0]; + gipd.xform[3] = 0; + gipd.xform[4] = to_cell.basis.rows[0][1]; + gipd.xform[5] = to_cell.basis.rows[1][1]; + gipd.xform[6] = to_cell.basis.rows[2][1]; + gipd.xform[7] = 0; + gipd.xform[8] = to_cell.basis.rows[0][2]; + gipd.xform[9] = to_cell.basis.rows[1][2]; + gipd.xform[10] = to_cell.basis.rows[2][2]; + gipd.xform[11] = 0; + gipd.xform[12] = to_cell.origin.x; + gipd.xform[13] = to_cell.origin.y; + gipd.xform[14] = to_cell.origin.z; + gipd.xform[15] = 1; + + Vector3 bounds = voxel_gi_get_octree_size(base_probe); + + gipd.bounds[0] = bounds.x; + gipd.bounds[1] = bounds.y; + gipd.bounds[2] = bounds.z; + + gipd.dynamic_range = voxel_gi_get_dynamic_range(base_probe) * voxel_gi_get_energy(base_probe); + gipd.bias = voxel_gi_get_bias(base_probe); + gipd.normal_bias = voxel_gi_get_normal_bias(base_probe); + gipd.blend_ambient = !voxel_gi_is_interior(base_probe); + gipd.mipmaps = gipi->mipmaps.size(); + gipd.exposure_normalization = 1.0; + if (p_render_data->camera_attributes.is_valid()) { + float exposure_normalization = RSG::camera_attributes->camera_attributes_get_exposure_normalization_factor(p_render_data->camera_attributes); + gipd.exposure_normalization = exposure_normalization / voxel_gi_get_baked_exposure_normalization(base_probe); + } + } + + r_voxel_gi_instances_used++; + } + + if (texture == RID()) { + texture = texture_storage->texture_rd_get_default(RendererRD::TextureStorage::DEFAULT_RD_TEXTURE_3D_WHITE); + } + + if (texture != rbgi->voxel_gi_textures[i]) { + voxel_gi_instances_changed = true; + rbgi->voxel_gi_textures[i] = texture; + } + } + + if (voxel_gi_instances_changed) { + for (uint32_t v = 0; v < RendererSceneRender::MAX_RENDER_VIEWS; v++) { + if (RD::get_singleton()->uniform_set_is_valid(rbgi->uniform_set[v])) { + RD::get_singleton()->free(rbgi->uniform_set[v]); + } + rbgi->uniform_set[v] = RID(); + } + if (p_render_buffers->has_custom_data(RB_SCOPE_FOG)) { + Ref<Fog::VolumetricFog> fog = p_render_buffers->get_custom_data(RB_SCOPE_FOG); + + if (RD::get_singleton()->uniform_set_is_valid(fog->fog_uniform_set)) { + RD::get_singleton()->free(fog->fog_uniform_set); + RD::get_singleton()->free(fog->process_uniform_set); + RD::get_singleton()->free(fog->process_uniform_set2); + } + fog->fog_uniform_set = RID(); + fog->process_uniform_set = RID(); + fog->process_uniform_set2 = RID(); + } + } + + if (p_voxel_gi_instances.size() > 0) { + RD::get_singleton()->draw_command_begin_label("VoxelGIs Setup"); + + RD::get_singleton()->buffer_update(voxel_gi_buffer, 0, sizeof(VoxelGIData) * MIN((uint64_t)MAX_VOXEL_GI_INSTANCES, p_voxel_gi_instances.size()), voxel_gi_data, RD::BARRIER_MASK_COMPUTE); + + RD::get_singleton()->draw_command_end_label(); + } +} + +RID GI::RenderBuffersGI::get_voxel_gi_buffer() { + if (voxel_gi_buffer.is_null()) { + voxel_gi_buffer = RD::get_singleton()->uniform_buffer_create(sizeof(GI::VoxelGIData) * GI::MAX_VOXEL_GI_INSTANCES); + } + return voxel_gi_buffer; +} + +void GI::RenderBuffersGI::free_data() { + for (uint32_t v = 0; v < RendererSceneRender::MAX_RENDER_VIEWS; v++) { + if (RD::get_singleton()->uniform_set_is_valid(uniform_set[v])) { + RD::get_singleton()->free(uniform_set[v]); + } + uniform_set[v] = RID(); + } + + if (scene_data_ubo.is_valid()) { + RD::get_singleton()->free(scene_data_ubo); + scene_data_ubo = RID(); + } + + if (voxel_gi_buffer.is_valid()) { + RD::get_singleton()->free(voxel_gi_buffer); + voxel_gi_buffer = RID(); + } +} + +void GI::process_gi(Ref<RenderSceneBuffersRD> p_render_buffers, const RID *p_normal_roughness_slices, RID p_voxel_gi_buffer, RID p_environment, uint32_t p_view_count, const Projection *p_projections, const Vector3 *p_eye_offsets, const Transform3D &p_cam_transform, const PagedArray<RID> &p_voxel_gi_instances) { + RendererRD::TextureStorage *texture_storage = RendererRD::TextureStorage::get_singleton(); + RendererRD::MaterialStorage *material_storage = RendererRD::MaterialStorage::get_singleton(); + + ERR_FAIL_COND_MSG(p_view_count > 2, "Maximum of 2 views supported for Processing GI."); + + RD::get_singleton()->draw_command_begin_label("GI Render"); + + ERR_FAIL_COND(p_render_buffers.is_null()); + + Ref<RenderBuffersGI> rbgi = p_render_buffers->get_custom_data(RB_SCOPE_GI); + ERR_FAIL_COND(rbgi.is_null()); + + Size2i internal_size = p_render_buffers->get_internal_size(); + + if (rbgi->using_half_size_gi != half_resolution) { + p_render_buffers->clear_context(RB_SCOPE_GI); + } + + if (!p_render_buffers->has_texture(RB_SCOPE_GI, RB_TEX_AMBIENT)) { + Size2i size = internal_size; + uint32_t usage_bits = RD::TEXTURE_USAGE_SAMPLING_BIT | RD::TEXTURE_USAGE_STORAGE_BIT; + + if (half_resolution) { + size.x >>= 1; + size.y >>= 1; + } + + p_render_buffers->create_texture(RB_SCOPE_GI, RB_TEX_AMBIENT, RD::DATA_FORMAT_R16G16B16A16_SFLOAT, usage_bits, RD::TEXTURE_SAMPLES_1, size); + p_render_buffers->create_texture(RB_SCOPE_GI, RB_TEX_REFLECTION, RD::DATA_FORMAT_R16G16B16A16_SFLOAT, usage_bits, RD::TEXTURE_SAMPLES_1, size); + + rbgi->using_half_size_gi = half_resolution; + } + + // Setup our scene data + { + SceneData scene_data; + + if (rbgi->scene_data_ubo.is_null()) { + rbgi->scene_data_ubo = RD::get_singleton()->uniform_buffer_create(sizeof(SceneData)); + } + + for (uint32_t v = 0; v < p_view_count; v++) { + RendererRD::MaterialStorage::store_camera(p_projections[v].inverse(), scene_data.inv_projection[v]); + scene_data.eye_offset[v][0] = p_eye_offsets[v].x; + scene_data.eye_offset[v][1] = p_eye_offsets[v].y; + scene_data.eye_offset[v][2] = p_eye_offsets[v].z; + scene_data.eye_offset[v][3] = 0.0; + } + + // Note that we will be ignoring the origin of this transform. + RendererRD::MaterialStorage::store_transform(p_cam_transform, scene_data.cam_transform); + + scene_data.screen_size[0] = internal_size.x; + scene_data.screen_size[1] = internal_size.y; + + RD::get_singleton()->buffer_update(rbgi->scene_data_ubo, 0, sizeof(SceneData), &scene_data, RD::BARRIER_MASK_COMPUTE); + } + + // Now compute the contents of our buffers. + RD::ComputeListID compute_list = RD::get_singleton()->compute_list_begin(true); + + // Render each eye separately. + // We need to look into whether we can make our compute shader use Multiview but not sure that works or makes a difference.. + + // setup our push constant + + PushConstant push_constant; + + push_constant.max_voxel_gi_instances = MIN((uint64_t)MAX_VOXEL_GI_INSTANCES, p_voxel_gi_instances.size()); + push_constant.high_quality_vct = voxel_gi_quality == RS::VOXEL_GI_QUALITY_HIGH; + + // these should be the same for all views + push_constant.orthogonal = p_projections[0].is_orthogonal(); + push_constant.z_near = p_projections[0].get_z_near(); + push_constant.z_far = p_projections[0].get_z_far(); + + // these are only used if we have 1 view, else we use the projections in our scene data + push_constant.proj_info[0] = -2.0f / (internal_size.x * p_projections[0].columns[0][0]); + push_constant.proj_info[1] = -2.0f / (internal_size.y * p_projections[0].columns[1][1]); + push_constant.proj_info[2] = (1.0f - p_projections[0].columns[0][2]) / p_projections[0].columns[0][0]; + push_constant.proj_info[3] = (1.0f + p_projections[0].columns[1][2]) / p_projections[0].columns[1][1]; + + bool use_sdfgi = p_render_buffers->has_custom_data(RB_SCOPE_SDFGI); + bool use_voxel_gi_instances = push_constant.max_voxel_gi_instances > 0; + + Ref<SDFGI> sdfgi; + if (use_sdfgi) { + sdfgi = p_render_buffers->get_custom_data(RB_SCOPE_SDFGI); + } + + uint32_t pipeline_specialization = 0; + if (rbgi->using_half_size_gi) { + pipeline_specialization |= SHADER_SPECIALIZATION_HALF_RES; + } + if (p_view_count > 1) { + pipeline_specialization |= SHADER_SPECIALIZATION_USE_FULL_PROJECTION_MATRIX; + } + bool has_vrs_texture = p_render_buffers->has_texture(RB_SCOPE_VRS, RB_TEXTURE); + if (has_vrs_texture) { + pipeline_specialization |= SHADER_SPECIALIZATION_USE_VRS; + } + + Mode mode = (use_sdfgi && use_voxel_gi_instances) ? MODE_COMBINED : (use_sdfgi ? MODE_SDFGI : MODE_VOXEL_GI); + + for (uint32_t v = 0; v < p_view_count; v++) { + push_constant.view_index = v; + + // setup our uniform set + if (rbgi->uniform_set[v].is_null() || !RD::get_singleton()->uniform_set_is_valid(rbgi->uniform_set[v])) { + Vector<RD::Uniform> uniforms; + { + RD::Uniform u; + u.binding = 1; + u.uniform_type = RD::UNIFORM_TYPE_TEXTURE; + for (uint32_t j = 0; j < SDFGI::MAX_CASCADES; j++) { + if (use_sdfgi && j < sdfgi->cascades.size()) { + u.append_id(sdfgi->cascades[j].sdf_tex); + } else { + u.append_id(texture_storage->texture_rd_get_default(RendererRD::TextureStorage::DEFAULT_RD_TEXTURE_3D_WHITE)); + } + } + uniforms.push_back(u); + } + { + RD::Uniform u; + u.binding = 2; + u.uniform_type = RD::UNIFORM_TYPE_TEXTURE; + for (uint32_t j = 0; j < SDFGI::MAX_CASCADES; j++) { + if (use_sdfgi && j < sdfgi->cascades.size()) { + u.append_id(sdfgi->cascades[j].light_tex); + } else { + u.append_id(texture_storage->texture_rd_get_default(RendererRD::TextureStorage::DEFAULT_RD_TEXTURE_3D_WHITE)); + } + } + uniforms.push_back(u); + } + { + RD::Uniform u; + u.binding = 3; + u.uniform_type = RD::UNIFORM_TYPE_TEXTURE; + for (uint32_t j = 0; j < SDFGI::MAX_CASCADES; j++) { + if (use_sdfgi && j < sdfgi->cascades.size()) { + u.append_id(sdfgi->cascades[j].light_aniso_0_tex); + } else { + u.append_id(texture_storage->texture_rd_get_default(RendererRD::TextureStorage::DEFAULT_RD_TEXTURE_3D_WHITE)); + } + } + uniforms.push_back(u); + } + { + RD::Uniform u; + u.binding = 4; + u.uniform_type = RD::UNIFORM_TYPE_TEXTURE; + for (uint32_t j = 0; j < SDFGI::MAX_CASCADES; j++) { + if (use_sdfgi && j < sdfgi->cascades.size()) { + u.append_id(sdfgi->cascades[j].light_aniso_1_tex); + } else { + u.append_id(texture_storage->texture_rd_get_default(RendererRD::TextureStorage::DEFAULT_RD_TEXTURE_3D_WHITE)); + } + } + uniforms.push_back(u); + } + { + RD::Uniform u; + u.uniform_type = RD::UNIFORM_TYPE_TEXTURE; + u.binding = 5; + if (use_sdfgi) { + u.append_id(sdfgi->occlusion_texture); + } else { + u.append_id(texture_storage->texture_rd_get_default(RendererRD::TextureStorage::DEFAULT_RD_TEXTURE_3D_WHITE)); + } + uniforms.push_back(u); + } + { + RD::Uniform u; + u.uniform_type = RD::UNIFORM_TYPE_SAMPLER; + u.binding = 6; + u.append_id(material_storage->sampler_rd_get_default(RS::CANVAS_ITEM_TEXTURE_FILTER_LINEAR, RS::CANVAS_ITEM_TEXTURE_REPEAT_DISABLED)); + uniforms.push_back(u); + } + { + RD::Uniform u; + u.uniform_type = RD::UNIFORM_TYPE_SAMPLER; + u.binding = 7; + u.append_id(material_storage->sampler_rd_get_default(RS::CANVAS_ITEM_TEXTURE_FILTER_LINEAR_WITH_MIPMAPS, RS::CANVAS_ITEM_TEXTURE_REPEAT_DISABLED)); + uniforms.push_back(u); + } + + { + RD::Uniform u; + u.uniform_type = RD::UNIFORM_TYPE_IMAGE; + u.binding = 9; + u.append_id(p_render_buffers->get_texture_slice(RB_SCOPE_GI, RB_TEX_AMBIENT, v, 0)); + uniforms.push_back(u); + } + + { + RD::Uniform u; + u.uniform_type = RD::UNIFORM_TYPE_IMAGE; + u.binding = 10; + u.append_id(p_render_buffers->get_texture_slice(RB_SCOPE_GI, RB_TEX_REFLECTION, v, 0)); + uniforms.push_back(u); + } + + { + RD::Uniform u; + u.uniform_type = RD::UNIFORM_TYPE_TEXTURE; + u.binding = 11; + if (use_sdfgi) { + u.append_id(sdfgi->lightprobe_texture); + } else { + u.append_id(texture_storage->texture_rd_get_default(RendererRD::TextureStorage::DEFAULT_RD_TEXTURE_2D_ARRAY_WHITE)); + } + uniforms.push_back(u); + } + { + RD::Uniform u; + u.uniform_type = RD::UNIFORM_TYPE_TEXTURE; + u.binding = 12; + u.append_id(p_render_buffers->get_depth_texture(v)); + uniforms.push_back(u); + } + { + RD::Uniform u; + u.uniform_type = RD::UNIFORM_TYPE_TEXTURE; + u.binding = 13; + u.append_id(p_normal_roughness_slices[v]); + uniforms.push_back(u); + } + { + RD::Uniform u; + u.uniform_type = RD::UNIFORM_TYPE_TEXTURE; + u.binding = 14; + RID buffer = p_voxel_gi_buffer.is_valid() ? p_voxel_gi_buffer : texture_storage->texture_rd_get_default(RendererRD::TextureStorage::DEFAULT_RD_TEXTURE_BLACK); + u.append_id(buffer); + uniforms.push_back(u); + } + { + RD::Uniform u; + u.uniform_type = RD::UNIFORM_TYPE_UNIFORM_BUFFER; + u.binding = 15; + u.append_id(sdfgi_ubo); + uniforms.push_back(u); + } + { + RD::Uniform u; + u.uniform_type = RD::UNIFORM_TYPE_UNIFORM_BUFFER; + u.binding = 16; + u.append_id(rbgi->get_voxel_gi_buffer()); + uniforms.push_back(u); + } + { + RD::Uniform u; + u.uniform_type = RD::UNIFORM_TYPE_TEXTURE; + u.binding = 17; + for (int i = 0; i < MAX_VOXEL_GI_INSTANCES; i++) { + u.append_id(rbgi->voxel_gi_textures[i]); + } + uniforms.push_back(u); + } + { + RD::Uniform u; + u.uniform_type = RD::UNIFORM_TYPE_UNIFORM_BUFFER; + u.binding = 18; + u.append_id(rbgi->scene_data_ubo); + uniforms.push_back(u); + } + { + RD::Uniform u; + u.uniform_type = RD::UNIFORM_TYPE_IMAGE; + u.binding = 19; + RID buffer = has_vrs_texture ? p_render_buffers->get_texture_slice(RB_SCOPE_VRS, RB_TEXTURE, v, 0) : texture_storage->texture_rd_get_default(RendererRD::TextureStorage::DEFAULT_RD_TEXTURE_VRS); + u.append_id(buffer); + uniforms.push_back(u); + } + + rbgi->uniform_set[v] = RD::get_singleton()->uniform_set_create(uniforms, shader.version_get_shader(shader_version, 0), 0); + } + + RD::get_singleton()->compute_list_bind_compute_pipeline(compute_list, pipelines[pipeline_specialization][mode]); + RD::get_singleton()->compute_list_bind_uniform_set(compute_list, rbgi->uniform_set[v], 0); + RD::get_singleton()->compute_list_set_push_constant(compute_list, &push_constant, sizeof(PushConstant)); + + if (rbgi->using_half_size_gi) { + RD::get_singleton()->compute_list_dispatch_threads(compute_list, internal_size.x >> 1, internal_size.y >> 1, 1); + } else { + RD::get_singleton()->compute_list_dispatch_threads(compute_list, internal_size.x, internal_size.y, 1); + } + } + + //do barrier later to allow oeverlap + //RD::get_singleton()->compute_list_end(RD::BARRIER_MASK_NO_BARRIER); //no barriers, let other compute, raster and transfer happen at the same time + RD::get_singleton()->draw_command_end_label(); +} + +RID GI::voxel_gi_instance_create(RID p_base) { + VoxelGIInstance voxel_gi; + voxel_gi.gi = this; + voxel_gi.probe = p_base; + RID rid = voxel_gi_instance_owner.make_rid(voxel_gi); + return rid; +} + +void GI::voxel_gi_instance_free(RID p_rid) { + GI::VoxelGIInstance *voxel_gi = voxel_gi_instance_owner.get_or_null(p_rid); + voxel_gi->free_resources(); + voxel_gi_instance_owner.free(p_rid); +} + +void GI::voxel_gi_instance_set_transform_to_data(RID p_probe, const Transform3D &p_xform) { + VoxelGIInstance *voxel_gi = voxel_gi_instance_owner.get_or_null(p_probe); + ERR_FAIL_COND(!voxel_gi); + + voxel_gi->transform = p_xform; +} + +bool GI::voxel_gi_needs_update(RID p_probe) const { + VoxelGIInstance *voxel_gi = voxel_gi_instance_owner.get_or_null(p_probe); + ERR_FAIL_COND_V(!voxel_gi, false); + + return voxel_gi->last_probe_version != voxel_gi_get_version(voxel_gi->probe); +} + +void GI::voxel_gi_update(RID p_probe, bool p_update_light_instances, const Vector<RID> &p_light_instances, const PagedArray<RenderGeometryInstance *> &p_dynamic_objects) { + VoxelGIInstance *voxel_gi = voxel_gi_instance_owner.get_or_null(p_probe); + ERR_FAIL_COND(!voxel_gi); + + voxel_gi->update(p_update_light_instances, p_light_instances, p_dynamic_objects); +} + +void GI::debug_voxel_gi(RID p_voxel_gi, RD::DrawListID p_draw_list, RID p_framebuffer, const Projection &p_camera_with_transform, bool p_lighting, bool p_emission, float p_alpha) { + VoxelGIInstance *voxel_gi = voxel_gi_instance_owner.get_or_null(p_voxel_gi); + ERR_FAIL_COND(!voxel_gi); + + voxel_gi->debug(p_draw_list, p_framebuffer, p_camera_with_transform, p_lighting, p_emission, p_alpha); +} diff --git a/servers/rendering/renderer_rd/environment/gi.h b/servers/rendering/renderer_rd/environment/gi.h new file mode 100644 index 0000000000..2182ca6a20 --- /dev/null +++ b/servers/rendering/renderer_rd/environment/gi.h @@ -0,0 +1,827 @@ +/*************************************************************************/ +/* gi.h */ +/*************************************************************************/ +/* This file is part of: */ +/* GODOT ENGINE */ +/* https://godotengine.org */ +/*************************************************************************/ +/* Copyright (c) 2007-2022 Juan Linietsky, Ariel Manzur. */ +/* Copyright (c) 2014-2022 Godot Engine contributors (cf. AUTHORS.md). */ +/* */ +/* Permission is hereby granted, free of charge, to any person obtaining */ +/* a copy of this software and associated documentation files (the */ +/* "Software"), to deal in the Software without restriction, including */ +/* without limitation the rights to use, copy, modify, merge, publish, */ +/* distribute, sublicense, and/or sell copies of the Software, and to */ +/* permit persons to whom the Software is furnished to do so, subject to */ +/* the following conditions: */ +/* */ +/* The above copyright notice and this permission notice shall be */ +/* included in all copies or substantial portions of the Software. */ +/* */ +/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */ +/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */ +/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/ +/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */ +/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */ +/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */ +/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ +/*************************************************************************/ + +#ifndef GI_RD_H +#define GI_RD_H + +#include "core/templates/local_vector.h" +#include "core/templates/rid_owner.h" +#include "servers/rendering/environment/renderer_gi.h" +#include "servers/rendering/renderer_compositor.h" +#include "servers/rendering/renderer_rd/environment/sky.h" +#include "servers/rendering/renderer_rd/shaders/environment/gi.glsl.gen.h" +#include "servers/rendering/renderer_rd/shaders/environment/sdfgi_debug.glsl.gen.h" +#include "servers/rendering/renderer_rd/shaders/environment/sdfgi_debug_probes.glsl.gen.h" +#include "servers/rendering/renderer_rd/shaders/environment/sdfgi_direct_light.glsl.gen.h" +#include "servers/rendering/renderer_rd/shaders/environment/sdfgi_integrate.glsl.gen.h" +#include "servers/rendering/renderer_rd/shaders/environment/sdfgi_preprocess.glsl.gen.h" +#include "servers/rendering/renderer_rd/shaders/environment/voxel_gi.glsl.gen.h" +#include "servers/rendering/renderer_rd/shaders/environment/voxel_gi_debug.glsl.gen.h" +#include "servers/rendering/renderer_rd/storage_rd/render_buffer_custom_data_rd.h" +#include "servers/rendering/renderer_scene_render.h" +#include "servers/rendering/rendering_device.h" +#include "servers/rendering/storage/utilities.h" + +#define RB_SCOPE_GI SNAME("rbgi") +#define RB_SCOPE_SDFGI SNAME("sdfgi") + +#define RB_TEX_AMBIENT SNAME("ambient") +#define RB_TEX_REFLECTION SNAME("reflection") + +// Forward declare RenderDataRD and RendererSceneRenderRD so we can pass it into some of our methods, these classes are pretty tightly bound +struct RenderDataRD; +class RendererSceneRenderRD; + +namespace RendererRD { + +class GI : public RendererGI { +public: + /* VOXEL GI STORAGE */ + + struct VoxelGI { + RID octree_buffer; + RID data_buffer; + RID sdf_texture; + + uint32_t octree_buffer_size = 0; + uint32_t data_buffer_size = 0; + + Vector<int> level_counts; + + int cell_count = 0; + + Transform3D to_cell_xform; + AABB bounds; + Vector3i octree_size; + + float dynamic_range = 2.0; + float energy = 1.0; + float baked_exposure = 1.0; + float bias = 1.4; + float normal_bias = 0.0; + float propagation = 0.5; + bool interior = false; + bool use_two_bounces = true; + + uint32_t version = 1; + uint32_t data_version = 1; + + Dependency dependency; + }; + + /* VOXEL_GI INSTANCE */ + + //@TODO VoxelGIInstance is still directly used in the render code, we'll address this when we refactor the render code itself. + + struct VoxelGIInstance { + // access to our containers + GI *gi = nullptr; + + RID probe; + RID texture; + RID write_buffer; + + struct Mipmap { + RID texture; + RID uniform_set; + RID second_bounce_uniform_set; + RID write_uniform_set; + uint32_t level; + uint32_t cell_offset; + uint32_t cell_count; + }; + Vector<Mipmap> mipmaps; + + struct DynamicMap { + RID texture; //color normally, or emission on first pass + RID fb_depth; //actual depth buffer for the first pass, float depth for later passes + RID depth; //actual depth buffer for the first pass, float depth for later passes + RID normal; //normal buffer for the first pass + RID albedo; //emission buffer for the first pass + RID orm; //orm buffer for the first pass + RID fb; //used for rendering, only valid on first map + RID uniform_set; + uint32_t size; + int mipmap; // mipmap to write to, -1 if no mipmap assigned + }; + + Vector<DynamicMap> dynamic_maps; + + int slot = -1; + uint32_t last_probe_version = 0; + uint32_t last_probe_data_version = 0; + + //uint64_t last_pass = 0; + uint32_t render_index = 0; + + bool has_dynamic_object_data = false; + + Transform3D transform; + + void update(bool p_update_light_instances, const Vector<RID> &p_light_instances, const PagedArray<RenderGeometryInstance *> &p_dynamic_objects); + void debug(RD::DrawListID p_draw_list, RID p_framebuffer, const Projection &p_camera_with_transform, bool p_lighting, bool p_emission, float p_alpha); + void free_resources(); + }; + +private: + static GI *singleton; + + /* VOXEL GI STORAGE */ + + mutable RID_Owner<VoxelGI, true> voxel_gi_owner; + + /* VOXEL_GI INSTANCE */ + + mutable RID_Owner<VoxelGIInstance> voxel_gi_instance_owner; + + struct VoxelGILight { + uint32_t type; + float energy; + float radius; + float attenuation; + + float color[3]; + float cos_spot_angle; + + float position[3]; + float inv_spot_attenuation; + + float direction[3]; + uint32_t has_shadow; + }; + + struct VoxelGIPushConstant { + int32_t limits[3]; + uint32_t stack_size; + + float emission_scale; + float propagation; + float dynamic_range; + uint32_t light_count; + + uint32_t cell_offset; + uint32_t cell_count; + float aniso_strength; + uint32_t pad; + }; + + struct VoxelGIDynamicPushConstant { + int32_t limits[3]; + uint32_t light_count; + int32_t x_dir[3]; + float z_base; + int32_t y_dir[3]; + float z_sign; + int32_t z_dir[3]; + float pos_multiplier; + uint32_t rect_pos[2]; + uint32_t rect_size[2]; + uint32_t prev_rect_ofs[2]; + uint32_t prev_rect_size[2]; + uint32_t flip_x; + uint32_t flip_y; + float dynamic_range; + uint32_t on_mipmap; + float propagation; + float pad[3]; + }; + + VoxelGILight *voxel_gi_lights = nullptr; + uint32_t voxel_gi_max_lights = 32; + RID voxel_gi_lights_uniform; + + enum { + VOXEL_GI_SHADER_VERSION_COMPUTE_LIGHT, + VOXEL_GI_SHADER_VERSION_COMPUTE_SECOND_BOUNCE, + VOXEL_GI_SHADER_VERSION_COMPUTE_MIPMAP, + VOXEL_GI_SHADER_VERSION_WRITE_TEXTURE, + VOXEL_GI_SHADER_VERSION_DYNAMIC_OBJECT_LIGHTING, + VOXEL_GI_SHADER_VERSION_DYNAMIC_SHRINK_WRITE, + VOXEL_GI_SHADER_VERSION_DYNAMIC_SHRINK_PLOT, + VOXEL_GI_SHADER_VERSION_DYNAMIC_SHRINK_WRITE_PLOT, + VOXEL_GI_SHADER_VERSION_MAX + }; + + VoxelGiShaderRD voxel_gi_shader; + RID voxel_gi_lighting_shader_version; + RID voxel_gi_lighting_shader_version_shaders[VOXEL_GI_SHADER_VERSION_MAX]; + RID voxel_gi_lighting_shader_version_pipelines[VOXEL_GI_SHADER_VERSION_MAX]; + + enum { + VOXEL_GI_DEBUG_COLOR, + VOXEL_GI_DEBUG_LIGHT, + VOXEL_GI_DEBUG_EMISSION, + VOXEL_GI_DEBUG_LIGHT_FULL, + VOXEL_GI_DEBUG_MAX + }; + + struct VoxelGIDebugPushConstant { + float projection[16]; + uint32_t cell_offset; + float dynamic_range; + float alpha; + uint32_t level; + int32_t bounds[3]; + uint32_t pad; + }; + + VoxelGiDebugShaderRD voxel_gi_debug_shader; + RID voxel_gi_debug_shader_version; + RID voxel_gi_debug_shader_version_shaders[VOXEL_GI_DEBUG_MAX]; + PipelineCacheRD voxel_gi_debug_shader_version_pipelines[VOXEL_GI_DEBUG_MAX]; + RID voxel_gi_debug_uniform_set; + + /* SDFGI */ + + struct SDFGIShader { + enum SDFGIPreprocessShaderVersion { + PRE_PROCESS_SCROLL, + PRE_PROCESS_SCROLL_OCCLUSION, + PRE_PROCESS_JUMP_FLOOD_INITIALIZE, + PRE_PROCESS_JUMP_FLOOD_INITIALIZE_HALF, + PRE_PROCESS_JUMP_FLOOD, + PRE_PROCESS_JUMP_FLOOD_OPTIMIZED, + PRE_PROCESS_JUMP_FLOOD_UPSCALE, + PRE_PROCESS_OCCLUSION, + PRE_PROCESS_STORE, + PRE_PROCESS_MAX + }; + + struct PreprocessPushConstant { + int32_t scroll[3]; + int32_t grid_size; + + int32_t probe_offset[3]; + int32_t step_size; + + int32_t half_size; + uint32_t occlusion_index; + int32_t cascade; + uint32_t pad; + }; + + SdfgiPreprocessShaderRD preprocess; + RID preprocess_shader; + RID preprocess_pipeline[PRE_PROCESS_MAX]; + + struct DebugPushConstant { + float grid_size[3]; + uint32_t max_cascades; + + int32_t screen_size[2]; + float y_mult; + + float z_near; + + float inv_projection[3][4]; + float cam_basis[3][3]; + float cam_origin[3]; + }; + + SdfgiDebugShaderRD debug; + RID debug_shader; + RID debug_shader_version; + RID debug_pipeline; + + enum ProbeDebugMode { + PROBE_DEBUG_PROBES, + PROBE_DEBUG_PROBES_MULTIVIEW, + PROBE_DEBUG_VISIBILITY, + PROBE_DEBUG_VISIBILITY_MULTIVIEW, + PROBE_DEBUG_MAX + }; + + struct DebugProbesSceneData { + float projection[2][16]; + }; + + struct DebugProbesPushConstant { + uint32_t band_power; + uint32_t sections_in_band; + uint32_t band_mask; + float section_arc; + + float grid_size[3]; + uint32_t cascade; + + uint32_t pad; + float y_mult; + int32_t probe_debug_index; + int32_t probe_axis_size; + }; + + SdfgiDebugProbesShaderRD debug_probes; + RID debug_probes_shader; + RID debug_probes_shader_version; + + PipelineCacheRD debug_probes_pipeline[PROBE_DEBUG_MAX]; + + struct Light { + float color[3]; + float energy; + + float direction[3]; + uint32_t has_shadow; + + float position[3]; + float attenuation; + + uint32_t type; + float cos_spot_angle; + float inv_spot_attenuation; + float radius; + }; + + struct DirectLightPushConstant { + float grid_size[3]; + uint32_t max_cascades; + + uint32_t cascade; + uint32_t light_count; + uint32_t process_offset; + uint32_t process_increment; + + int32_t probe_axis_size; + float bounce_feedback; + float y_mult; + uint32_t use_occlusion; + }; + + enum { + DIRECT_LIGHT_MODE_STATIC, + DIRECT_LIGHT_MODE_DYNAMIC, + DIRECT_LIGHT_MODE_MAX + }; + SdfgiDirectLightShaderRD direct_light; + RID direct_light_shader; + RID direct_light_pipeline[DIRECT_LIGHT_MODE_MAX]; + + enum { + INTEGRATE_MODE_PROCESS, + INTEGRATE_MODE_STORE, + INTEGRATE_MODE_SCROLL, + INTEGRATE_MODE_SCROLL_STORE, + INTEGRATE_MODE_MAX + }; + struct IntegratePushConstant { + enum { + SKY_MODE_DISABLED, + SKY_MODE_COLOR, + SKY_MODE_SKY, + }; + + float grid_size[3]; + uint32_t max_cascades; + + uint32_t probe_axis_size; + uint32_t cascade; + uint32_t history_index; + uint32_t history_size; + + uint32_t ray_count; + float ray_bias; + int32_t image_size[2]; + + int32_t world_offset[3]; + uint32_t sky_mode; + + int32_t scroll[3]; + float sky_energy; + + float sky_color[3]; + float y_mult; + + uint32_t store_ambient_texture; + uint32_t pad[3]; + }; + + SdfgiIntegrateShaderRD integrate; + RID integrate_shader; + RID integrate_pipeline[INTEGRATE_MODE_MAX]; + + RID integrate_default_sky_uniform_set; + + } sdfgi_shader; + +public: + static GI *get_singleton() { return singleton; } + + /* GI */ + + enum { + MAX_VOXEL_GI_INSTANCES = 8 + }; + + // Struct for use in render buffer + class RenderBuffersGI : public RenderBufferCustomDataRD { + GDCLASS(RenderBuffersGI, RenderBufferCustomDataRD) + + private: + RID voxel_gi_buffer; + + public: + RID voxel_gi_textures[MAX_VOXEL_GI_INSTANCES]; + + RID full_buffer; + RID full_dispatch; + RID full_mask; + + /* GI buffers */ + bool using_half_size_gi = false; + + RID uniform_set[RendererSceneRender::MAX_RENDER_VIEWS]; + RID scene_data_ubo; + + RID get_voxel_gi_buffer(); + + virtual void configure(RenderSceneBuffersRD *p_render_buffers) override{}; + virtual void free_data() override; + }; + + /* VOXEL GI API */ + + bool owns_voxel_gi(RID p_rid) { return voxel_gi_owner.owns(p_rid); }; + + virtual RID voxel_gi_allocate() override; + virtual void voxel_gi_free(RID p_voxel_gi) override; + virtual void voxel_gi_initialize(RID p_voxel_gi) override; + + virtual void voxel_gi_allocate_data(RID p_voxel_gi, const Transform3D &p_to_cell_xform, const AABB &p_aabb, const Vector3i &p_octree_size, const Vector<uint8_t> &p_octree_cells, const Vector<uint8_t> &p_data_cells, const Vector<uint8_t> &p_distance_field, const Vector<int> &p_level_counts) override; + + virtual AABB voxel_gi_get_bounds(RID p_voxel_gi) const override; + virtual Vector3i voxel_gi_get_octree_size(RID p_voxel_gi) const override; + virtual Vector<uint8_t> voxel_gi_get_octree_cells(RID p_voxel_gi) const override; + virtual Vector<uint8_t> voxel_gi_get_data_cells(RID p_voxel_gi) const override; + virtual Vector<uint8_t> voxel_gi_get_distance_field(RID p_voxel_gi) const override; + + virtual Vector<int> voxel_gi_get_level_counts(RID p_voxel_gi) const override; + virtual Transform3D voxel_gi_get_to_cell_xform(RID p_voxel_gi) const override; + + virtual void voxel_gi_set_dynamic_range(RID p_voxel_gi, float p_range) override; + virtual float voxel_gi_get_dynamic_range(RID p_voxel_gi) const override; + + virtual void voxel_gi_set_propagation(RID p_voxel_gi, float p_range) override; + virtual float voxel_gi_get_propagation(RID p_voxel_gi) const override; + + virtual void voxel_gi_set_energy(RID p_voxel_gi, float p_energy) override; + virtual float voxel_gi_get_energy(RID p_voxel_gi) const override; + + virtual void voxel_gi_set_baked_exposure_normalization(RID p_voxel_gi, float p_baked_exposure) override; + virtual float voxel_gi_get_baked_exposure_normalization(RID p_voxel_gi) const override; + + virtual void voxel_gi_set_bias(RID p_voxel_gi, float p_bias) override; + virtual float voxel_gi_get_bias(RID p_voxel_gi) const override; + + virtual void voxel_gi_set_normal_bias(RID p_voxel_gi, float p_range) override; + virtual float voxel_gi_get_normal_bias(RID p_voxel_gi) const override; + + virtual void voxel_gi_set_interior(RID p_voxel_gi, bool p_enable) override; + virtual bool voxel_gi_is_interior(RID p_voxel_gi) const override; + + virtual void voxel_gi_set_use_two_bounces(RID p_voxel_gi, bool p_enable) override; + virtual bool voxel_gi_is_using_two_bounces(RID p_voxel_gi) const override; + + virtual uint32_t voxel_gi_get_version(RID p_probe) const override; + uint32_t voxel_gi_get_data_version(RID p_probe); + + RID voxel_gi_get_octree_buffer(RID p_voxel_gi) const; + RID voxel_gi_get_data_buffer(RID p_voxel_gi) const; + + RID voxel_gi_get_sdf_texture(RID p_voxel_gi); + + Dependency *voxel_gi_get_dependency(RID p_voxel_gi) const; + + /* VOXEL_GI INSTANCE */ + + _FORCE_INLINE_ RID voxel_gi_instance_get_texture(RID p_probe) { + VoxelGIInstance *voxel_gi = voxel_gi_instance_owner.get_or_null(p_probe); + ERR_FAIL_COND_V(!voxel_gi, RID()); + return voxel_gi->texture; + }; + + _FORCE_INLINE_ void voxel_gi_instance_set_render_index(RID p_probe, uint32_t p_index) { + VoxelGIInstance *voxel_gi = voxel_gi_instance_owner.get_or_null(p_probe); + ERR_FAIL_NULL(voxel_gi); + + voxel_gi->render_index = p_index; + }; + + bool voxel_gi_instance_owns(RID p_rid) const { + return voxel_gi_instance_owner.owns(p_rid); + } + + void voxel_gi_instance_free(RID p_rid); + + RS::VoxelGIQuality voxel_gi_quality = RS::VOXEL_GI_QUALITY_LOW; + + /* SDFGI */ + + class SDFGI : public RenderBufferCustomDataRD { + GDCLASS(SDFGI, RenderBufferCustomDataRD) + + public: + enum { + MAX_CASCADES = 8, + CASCADE_SIZE = 128, + PROBE_DIVISOR = 16, + ANISOTROPY_SIZE = 6, + MAX_DYNAMIC_LIGHTS = 128, + MAX_STATIC_LIGHTS = 1024, + LIGHTPROBE_OCT_SIZE = 6, + SH_SIZE = 16 + }; + + struct Cascade { + struct UBO { + float offset[3]; + float to_cell; + int32_t probe_offset[3]; + uint32_t pad; + float pad2[4]; + }; + + //cascade blocks are full-size for volume (128^3), half size for albedo/emission + RID sdf_tex; + RID light_tex; + RID light_aniso_0_tex; + RID light_aniso_1_tex; + + RID light_data; + RID light_aniso_0_data; + RID light_aniso_1_data; + + struct SolidCell { // this struct is unused, but remains as reference for size + uint32_t position; + uint32_t albedo; + uint32_t static_light; + uint32_t static_light_aniso; + }; + + RID solid_cell_dispatch_buffer; //buffer for indirect compute dispatch + RID solid_cell_buffer; + + RID lightprobe_history_tex; + RID lightprobe_average_tex; + + float cell_size; + Vector3i position; + + static const Vector3i DIRTY_ALL; + Vector3i dirty_regions; //(0,0,0 is not dirty, negative is refresh from the end, DIRTY_ALL is refresh all. + + RID sdf_store_uniform_set; + RID sdf_direct_light_static_uniform_set; + RID sdf_direct_light_dynamic_uniform_set; + RID scroll_uniform_set; + RID scroll_occlusion_uniform_set; + RID integrate_uniform_set; + RID lights_buffer; + + float baked_exposure_normalization = 1.0; + + bool all_dynamic_lights_dirty = true; + }; + + // access to our containers + GI *gi = nullptr; + + // used for rendering (voxelization) + RID render_albedo; + RID render_emission; + RID render_emission_aniso; + RID render_occlusion[8]; + RID render_geom_facing; + + RID render_sdf[2]; + RID render_sdf_half[2]; + + // used for ping pong processing in cascades + RID sdf_initialize_uniform_set; + RID sdf_initialize_half_uniform_set; + RID jump_flood_uniform_set[2]; + RID jump_flood_half_uniform_set[2]; + RID sdf_upscale_uniform_set; + int upscale_jfa_uniform_set_index; + RID occlusion_uniform_set; + + uint32_t cascade_size = 128; + + LocalVector<Cascade> cascades; + + RID lightprobe_texture; + RID lightprobe_data; + RID occlusion_texture; + RID occlusion_data; + RID ambient_texture; //integrates with volumetric fog + + RID lightprobe_history_scroll; //used for scrolling lightprobes + RID lightprobe_average_scroll; //used for scrolling lightprobes + + uint32_t history_size = 0; + float solid_cell_ratio = 0; + uint32_t solid_cell_count = 0; + + int num_cascades = 6; + float min_cell_size = 0; + uint32_t probe_axis_count = 0; //amount of probes per axis, this is an odd number because it encloses endpoints + + RID debug_uniform_set[RendererSceneRender::MAX_RENDER_VIEWS]; + RID debug_probes_scene_data_ubo; + RID debug_probes_uniform_set; + RID cascades_ubo; + + bool uses_occlusion = false; + float bounce_feedback = 0.5; + bool reads_sky = true; + float energy = 1.0; + float normal_bias = 1.1; + float probe_bias = 1.1; + RS::EnvironmentSDFGIYScale y_scale_mode = RS::ENV_SDFGI_Y_SCALE_75_PERCENT; + + float y_mult = 1.0; + + uint32_t render_pass = 0; + + int32_t cascade_dynamic_light_count[SDFGI::MAX_CASCADES]; //used dynamically + RID integrate_sky_uniform_set; + + virtual void configure(RenderSceneBuffersRD *p_render_buffers) override{}; + virtual void free_data() override; + ~SDFGI(); + + void create(RID p_env, const Vector3 &p_world_position, uint32_t p_requested_history_size, GI *p_gi); + void update(RID p_env, const Vector3 &p_world_position); + void update_light(); + void update_probes(RID p_env, RendererRD::SkyRD::Sky *p_sky); + void store_probes(); + int get_pending_region_data(int p_region, Vector3i &r_local_offset, Vector3i &r_local_size, AABB &r_bounds) const; + void update_cascades(); + + void debug_draw(uint32_t p_view_count, const Projection *p_projections, const Transform3D &p_transform, int p_width, int p_height, RID p_render_target, RID p_texture, const Vector<RID> &p_texture_views); + void debug_probes(RID p_framebuffer, const uint32_t p_view_count, const Projection *p_camera_with_transforms, bool p_will_continue_color, bool p_will_continue_depth); + + void pre_process_gi(const Transform3D &p_transform, RenderDataRD *p_render_data); + void render_region(Ref<RenderSceneBuffersRD> p_render_buffers, int p_region, const PagedArray<RenderGeometryInstance *> &p_instances, float p_exposure_normalization); + void render_static_lights(RenderDataRD *p_render_data, Ref<RenderSceneBuffersRD> p_render_buffers, uint32_t p_cascade_count, const uint32_t *p_cascade_indices, const PagedArray<RID> *p_positional_light_cull_result); + }; + + RS::EnvironmentSDFGIRayCount sdfgi_ray_count = RS::ENV_SDFGI_RAY_COUNT_16; + RS::EnvironmentSDFGIFramesToConverge sdfgi_frames_to_converge = RS::ENV_SDFGI_CONVERGE_IN_30_FRAMES; + RS::EnvironmentSDFGIFramesToUpdateLight sdfgi_frames_to_update_light = RS::ENV_SDFGI_UPDATE_LIGHT_IN_4_FRAMES; + + float sdfgi_solid_cell_ratio = 0.25; + Vector3 sdfgi_debug_probe_pos; + Vector3 sdfgi_debug_probe_dir; + bool sdfgi_debug_probe_enabled = false; + Vector3i sdfgi_debug_probe_index; + + /* SDFGI UPDATE */ + + int sdfgi_get_lightprobe_octahedron_size() const { return SDFGI::LIGHTPROBE_OCT_SIZE; } + + struct SDFGIData { + float grid_size[3]; + uint32_t max_cascades; + + uint32_t use_occlusion; + int32_t probe_axis_size; + float probe_to_uvw; + float normal_bias; + + float lightprobe_tex_pixel_size[3]; + float energy; + + float lightprobe_uv_offset[3]; + float y_mult; + + float occlusion_clamp[3]; + uint32_t pad3; + + float occlusion_renormalize[3]; + uint32_t pad4; + + float cascade_probe_size[3]; + uint32_t pad5; + + struct ProbeCascadeData { + float position[3]; //offset of (0,0,0) in world coordinates + float to_probe; // 1/bounds * grid_size + int32_t probe_world_offset[3]; + float to_cell; // 1/bounds * grid_size + float pad[3]; + float exposure_normalization; + }; + + ProbeCascadeData cascades[SDFGI::MAX_CASCADES]; + }; + + struct VoxelGIData { + float xform[16]; // 64 - 64 + + float bounds[3]; // 12 - 76 + float dynamic_range; // 4 - 80 + + float bias; // 4 - 84 + float normal_bias; // 4 - 88 + uint32_t blend_ambient; // 4 - 92 + uint32_t mipmaps; // 4 - 96 + + float pad[3]; // 12 - 108 + float exposure_normalization; // 4 - 112 + }; + + struct SceneData { + float inv_projection[2][16]; + float cam_transform[16]; + float eye_offset[2][4]; + + int32_t screen_size[2]; + float pad1; + float pad2; + }; + + struct PushConstant { + uint32_t max_voxel_gi_instances; + uint32_t high_quality_vct; + uint32_t orthogonal; + uint32_t view_index; + + float proj_info[4]; + + float z_near; + float z_far; + float pad2; + float pad3; + }; + + RID sdfgi_ubo; + + enum Mode { + MODE_VOXEL_GI, + MODE_SDFGI, + MODE_COMBINED, + MODE_MAX + }; + + enum ShaderSpecializations { + SHADER_SPECIALIZATION_HALF_RES = 1 << 0, + SHADER_SPECIALIZATION_USE_FULL_PROJECTION_MATRIX = 1 << 1, + SHADER_SPECIALIZATION_USE_VRS = 1 << 2, + SHADER_SPECIALIZATION_VARIATIONS = 8, + }; + + RID default_voxel_gi_buffer; + + bool half_resolution = false; + GiShaderRD shader; + RID shader_version; + RID pipelines[SHADER_SPECIALIZATION_VARIATIONS][MODE_MAX]; + + GI(); + ~GI(); + + void init(RendererRD::SkyRD *p_sky); + void free(); + + Ref<SDFGI> create_sdfgi(RID p_env, const Vector3 &p_world_position, uint32_t p_requested_history_size); + + void setup_voxel_gi_instances(RenderDataRD *p_render_data, Ref<RenderSceneBuffersRD> p_render_buffers, const Transform3D &p_transform, const PagedArray<RID> &p_voxel_gi_instances, uint32_t &r_voxel_gi_instances_used); + void process_gi(Ref<RenderSceneBuffersRD> p_render_buffers, const RID *p_normal_roughness_slices, RID p_voxel_gi_buffer, RID p_environment, uint32_t p_view_count, const Projection *p_projections, const Vector3 *p_eye_offsets, const Transform3D &p_cam_transform, const PagedArray<RID> &p_voxel_gi_instances); + + RID voxel_gi_instance_create(RID p_base); + void voxel_gi_instance_set_transform_to_data(RID p_probe, const Transform3D &p_xform); + bool voxel_gi_needs_update(RID p_probe) const; + void voxel_gi_update(RID p_probe, bool p_update_light_instances, const Vector<RID> &p_light_instances, const PagedArray<RenderGeometryInstance *> &p_dynamic_objects); + void debug_voxel_gi(RID p_voxel_gi, RD::DrawListID p_draw_list, RID p_framebuffer, const Projection &p_camera_with_transform, bool p_lighting, bool p_emission, float p_alpha); +}; + +} // namespace RendererRD + +#endif // GI_RD_H diff --git a/servers/rendering/renderer_rd/environment/sky.cpp b/servers/rendering/renderer_rd/environment/sky.cpp new file mode 100644 index 0000000000..6940276040 --- /dev/null +++ b/servers/rendering/renderer_rd/environment/sky.cpp @@ -0,0 +1,1958 @@ +/*************************************************************************/ +/* sky.cpp */ +/*************************************************************************/ +/* This file is part of: */ +/* GODOT ENGINE */ +/* https://godotengine.org */ +/*************************************************************************/ +/* Copyright (c) 2007-2022 Juan Linietsky, Ariel Manzur. */ +/* Copyright (c) 2014-2022 Godot Engine contributors (cf. AUTHORS.md). */ +/* */ +/* Permission is hereby granted, free of charge, to any person obtaining */ +/* a copy of this software and associated documentation files (the */ +/* "Software"), to deal in the Software without restriction, including */ +/* without limitation the rights to use, copy, modify, merge, publish, */ +/* distribute, sublicense, and/or sell copies of the Software, and to */ +/* permit persons to whom the Software is furnished to do so, subject to */ +/* the following conditions: */ +/* */ +/* The above copyright notice and this permission notice shall be */ +/* included in all copies or substantial portions of the Software. */ +/* */ +/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */ +/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */ +/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/ +/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */ +/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */ +/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */ +/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ +/*************************************************************************/ + +#include "sky.h" +#include "core/config/project_settings.h" +#include "core/math/math_defs.h" +#include "servers/rendering/renderer_rd/effects/copy_effects.h" +#include "servers/rendering/renderer_rd/renderer_compositor_rd.h" +#include "servers/rendering/renderer_rd/renderer_scene_render_rd.h" +#include "servers/rendering/renderer_rd/storage_rd/material_storage.h" +#include "servers/rendering/renderer_rd/storage_rd/render_scene_buffers_rd.h" +#include "servers/rendering/renderer_rd/storage_rd/texture_storage.h" +#include "servers/rendering/rendering_server_default.h" +#include "servers/rendering/rendering_server_globals.h" + +using namespace RendererRD; + +//////////////////////////////////////////////////////////////////////////////// +// SKY SHADER + +void SkyRD::SkyShaderData::set_path_hint(const String &p_path) { + path = p_path; +} + +void SkyRD::SkyShaderData::set_code(const String &p_code) { + //compile + + code = p_code; + valid = false; + ubo_size = 0; + uniforms.clear(); + + if (code.is_empty()) { + return; //just invalid, but no error + } + + ShaderCompiler::GeneratedCode gen_code; + ShaderCompiler::IdentifierActions actions; + actions.entry_point_stages["sky"] = ShaderCompiler::STAGE_FRAGMENT; + + uses_time = false; + uses_half_res = false; + uses_quarter_res = false; + uses_position = false; + uses_light = false; + + actions.render_mode_flags["use_half_res_pass"] = &uses_half_res; + actions.render_mode_flags["use_quarter_res_pass"] = &uses_quarter_res; + + actions.usage_flag_pointers["TIME"] = &uses_time; + actions.usage_flag_pointers["POSITION"] = &uses_position; + actions.usage_flag_pointers["LIGHT0_ENABLED"] = &uses_light; + actions.usage_flag_pointers["LIGHT0_ENERGY"] = &uses_light; + actions.usage_flag_pointers["LIGHT0_DIRECTION"] = &uses_light; + actions.usage_flag_pointers["LIGHT0_COLOR"] = &uses_light; + actions.usage_flag_pointers["LIGHT0_SIZE"] = &uses_light; + actions.usage_flag_pointers["LIGHT1_ENABLED"] = &uses_light; + actions.usage_flag_pointers["LIGHT1_ENERGY"] = &uses_light; + actions.usage_flag_pointers["LIGHT1_DIRECTION"] = &uses_light; + actions.usage_flag_pointers["LIGHT1_COLOR"] = &uses_light; + actions.usage_flag_pointers["LIGHT1_SIZE"] = &uses_light; + actions.usage_flag_pointers["LIGHT2_ENABLED"] = &uses_light; + actions.usage_flag_pointers["LIGHT2_ENERGY"] = &uses_light; + actions.usage_flag_pointers["LIGHT2_DIRECTION"] = &uses_light; + actions.usage_flag_pointers["LIGHT2_COLOR"] = &uses_light; + actions.usage_flag_pointers["LIGHT2_SIZE"] = &uses_light; + actions.usage_flag_pointers["LIGHT3_ENABLED"] = &uses_light; + actions.usage_flag_pointers["LIGHT3_ENERGY"] = &uses_light; + actions.usage_flag_pointers["LIGHT3_DIRECTION"] = &uses_light; + actions.usage_flag_pointers["LIGHT3_COLOR"] = &uses_light; + actions.usage_flag_pointers["LIGHT3_SIZE"] = &uses_light; + + actions.uniforms = &uniforms; + + // !BAS! Contemplate making `SkyShader sky` accessible from this struct or even part of this struct. + RendererSceneRenderRD *scene_singleton = static_cast<RendererSceneRenderRD *>(RendererSceneRenderRD::singleton); + + Error err = scene_singleton->sky.sky_shader.compiler.compile(RS::SHADER_SKY, code, &actions, path, gen_code); + ERR_FAIL_COND_MSG(err != OK, "Shader compilation failed."); + + if (version.is_null()) { + version = scene_singleton->sky.sky_shader.shader.version_create(); + } + +#if 0 + print_line("**compiling shader:"); + print_line("**defines:\n"); + for (int i = 0; i < gen_code.defines.size(); i++) { + print_line(gen_code.defines[i]); + } + + HashMap<String, String>::Iterator el = gen_code.code.begin(); + while (el) { + print_line("\n**code " + el->key + ":\n" + el->value); + ++el; + } + + print_line("\n**uniforms:\n" + gen_code.uniforms); + print_line("\n**vertex_globals:\n" + gen_code.stage_globals[ShaderCompiler::STAGE_VERTEX]); + print_line("\n**fragment_globals:\n" + gen_code.stage_globals[ShaderCompiler::STAGE_FRAGMENT]); +#endif + + scene_singleton->sky.sky_shader.shader.version_set_code(version, gen_code.code, gen_code.uniforms, gen_code.stage_globals[ShaderCompiler::STAGE_VERTEX], gen_code.stage_globals[ShaderCompiler::STAGE_FRAGMENT], gen_code.defines); + ERR_FAIL_COND(!scene_singleton->sky.sky_shader.shader.version_is_valid(version)); + + ubo_size = gen_code.uniform_total_size; + ubo_offsets = gen_code.uniform_offsets; + texture_uniforms = gen_code.texture_uniforms; + + //update pipelines + + for (int i = 0; i < SKY_VERSION_MAX; i++) { + RD::PipelineDepthStencilState depth_stencil_state; + depth_stencil_state.enable_depth_test = true; + depth_stencil_state.depth_compare_operator = RD::COMPARE_OP_LESS_OR_EQUAL; + + if (scene_singleton->sky.sky_shader.shader.is_variant_enabled(i)) { + RID shader_variant = scene_singleton->sky.sky_shader.shader.version_get_shader(version, i); + pipelines[i].setup(shader_variant, RD::RENDER_PRIMITIVE_TRIANGLES, RD::PipelineRasterizationState(), RD::PipelineMultisampleState(), depth_stencil_state, RD::PipelineColorBlendState::create_disabled(), 0); + } else { + pipelines[i].clear(); + } + } + + valid = true; +} + +void SkyRD::SkyShaderData::set_default_texture_parameter(const StringName &p_name, RID p_texture, int p_index) { + if (!p_texture.is_valid()) { + if (default_texture_params.has(p_name) && default_texture_params[p_name].has(p_index)) { + default_texture_params[p_name].erase(p_index); + + if (default_texture_params[p_name].is_empty()) { + default_texture_params.erase(p_name); + } + } + } else { + if (!default_texture_params.has(p_name)) { + default_texture_params[p_name] = HashMap<int, RID>(); + } + default_texture_params[p_name][p_index] = p_texture; + } +} + +void SkyRD::SkyShaderData::get_shader_uniform_list(List<PropertyInfo> *p_param_list) const { + HashMap<int, StringName> order; + + for (const KeyValue<StringName, ShaderLanguage::ShaderNode::Uniform> &E : uniforms) { + if (E.value.scope == ShaderLanguage::ShaderNode::Uniform::SCOPE_GLOBAL || E.value.scope == ShaderLanguage::ShaderNode::Uniform::SCOPE_INSTANCE) { + continue; + } + + if (E.value.texture_order >= 0) { + order[E.value.texture_order + 100000] = E.key; + } else { + order[E.value.order] = E.key; + } + } + String last_group; + for (const KeyValue<int, StringName> &E : order) { + String group = uniforms[E.value].group; + if (!uniforms[E.value].subgroup.is_empty()) { + group += "::" + uniforms[E.value].subgroup; + } + + if (group != last_group) { + PropertyInfo pi; + pi.usage = PROPERTY_USAGE_GROUP; + pi.name = group; + p_param_list->push_back(pi); + + last_group = group; + } + + PropertyInfo pi = ShaderLanguage::uniform_to_property_info(uniforms[E.value]); + pi.name = E.value; + p_param_list->push_back(pi); + } +} + +void SkyRD::SkyShaderData::get_instance_param_list(List<RendererMaterialStorage::InstanceShaderParam> *p_param_list) const { + for (const KeyValue<StringName, ShaderLanguage::ShaderNode::Uniform> &E : uniforms) { + if (E.value.scope != ShaderLanguage::ShaderNode::Uniform::SCOPE_INSTANCE) { + continue; + } + + RendererMaterialStorage::InstanceShaderParam p; + p.info = ShaderLanguage::uniform_to_property_info(E.value); + p.info.name = E.key; //supply name + p.index = E.value.instance_index; + p.default_value = ShaderLanguage::constant_value_to_variant(E.value.default_value, E.value.type, E.value.array_size, E.value.hint); + p_param_list->push_back(p); + } +} + +bool SkyRD::SkyShaderData::is_parameter_texture(const StringName &p_param) const { + if (!uniforms.has(p_param)) { + return false; + } + + return uniforms[p_param].texture_order >= 0; +} + +bool SkyRD::SkyShaderData::is_animated() const { + return false; +} + +bool SkyRD::SkyShaderData::casts_shadows() const { + return false; +} + +Variant SkyRD::SkyShaderData::get_default_parameter(const StringName &p_parameter) const { + if (uniforms.has(p_parameter)) { + ShaderLanguage::ShaderNode::Uniform uniform = uniforms[p_parameter]; + Vector<ShaderLanguage::ConstantNode::Value> default_value = uniform.default_value; + return ShaderLanguage::constant_value_to_variant(default_value, uniform.type, uniform.array_size, uniform.hint); + } + return Variant(); +} + +RS::ShaderNativeSourceCode SkyRD::SkyShaderData::get_native_source_code() const { + RendererSceneRenderRD *scene_singleton = static_cast<RendererSceneRenderRD *>(RendererSceneRenderRD::singleton); + + return scene_singleton->sky.sky_shader.shader.version_get_native_source_code(version); +} + +SkyRD::SkyShaderData::~SkyShaderData() { + RendererSceneRenderRD *scene_singleton = static_cast<RendererSceneRenderRD *>(RendererSceneRenderRD::singleton); + ERR_FAIL_COND(!scene_singleton); + //pipeline variants will clear themselves if shader is gone + if (version.is_valid()) { + scene_singleton->sky.sky_shader.shader.version_free(version); + } +} + +//////////////////////////////////////////////////////////////////////////////// +// Sky material + +bool SkyRD::SkyMaterialData::update_parameters(const HashMap<StringName, Variant> &p_parameters, bool p_uniform_dirty, bool p_textures_dirty) { + RendererSceneRenderRD *scene_singleton = static_cast<RendererSceneRenderRD *>(RendererSceneRenderRD::singleton); + + uniform_set_updated = true; + + return update_parameters_uniform_set(p_parameters, p_uniform_dirty, p_textures_dirty, shader_data->uniforms, shader_data->ubo_offsets.ptr(), shader_data->texture_uniforms, shader_data->default_texture_params, shader_data->ubo_size, uniform_set, scene_singleton->sky.sky_shader.shader.version_get_shader(shader_data->version, 0), SKY_SET_MATERIAL, true); +} + +SkyRD::SkyMaterialData::~SkyMaterialData() { + free_parameters_uniform_set(uniform_set); +} + +//////////////////////////////////////////////////////////////////////////////// +// Render sky + +static _FORCE_INLINE_ void store_transform_3x3(const Basis &p_basis, float *p_array) { + p_array[0] = p_basis.rows[0][0]; + p_array[1] = p_basis.rows[1][0]; + p_array[2] = p_basis.rows[2][0]; + p_array[3] = 0; + p_array[4] = p_basis.rows[0][1]; + p_array[5] = p_basis.rows[1][1]; + p_array[6] = p_basis.rows[2][1]; + p_array[7] = 0; + p_array[8] = p_basis.rows[0][2]; + p_array[9] = p_basis.rows[1][2]; + p_array[10] = p_basis.rows[2][2]; + p_array[11] = 0; +} + +void SkyRD::_render_sky(RD::DrawListID p_list, float p_time, RID p_fb, PipelineCacheRD *p_pipeline, RID p_uniform_set, RID p_texture_set, uint32_t p_view_count, const Projection *p_projections, const Basis &p_orientation, const Vector3 &p_position, float p_luminance_multiplier) { + SkyPushConstant sky_push_constant; + + memset(&sky_push_constant, 0, sizeof(SkyPushConstant)); + + for (uint32_t v = 0; v < p_view_count; v++) { + // We only need key components of our projection matrix + sky_push_constant.projections[v][0] = p_projections[v].columns[2][0]; + sky_push_constant.projections[v][1] = p_projections[v].columns[0][0]; + sky_push_constant.projections[v][2] = p_projections[v].columns[2][1]; + sky_push_constant.projections[v][3] = p_projections[v].columns[1][1]; + } + sky_push_constant.position[0] = p_position.x; + sky_push_constant.position[1] = p_position.y; + sky_push_constant.position[2] = p_position.z; + sky_push_constant.time = p_time; + sky_push_constant.luminance_multiplier = p_luminance_multiplier; + store_transform_3x3(p_orientation, sky_push_constant.orientation); + + RenderingDevice::FramebufferFormatID fb_format = RD::get_singleton()->framebuffer_get_format(p_fb); + + RD::DrawListID draw_list = p_list; + + RD::get_singleton()->draw_list_bind_render_pipeline(draw_list, p_pipeline->get_render_pipeline(RD::INVALID_ID, fb_format, false, RD::get_singleton()->draw_list_get_current_pass())); + + // Update uniform sets. + { + RD::get_singleton()->draw_list_bind_uniform_set(draw_list, sky_scene_state.uniform_set, 0); + if (p_uniform_set.is_valid() && RD::get_singleton()->uniform_set_is_valid(p_uniform_set)) { // Material may not have a uniform set. + RD::get_singleton()->draw_list_bind_uniform_set(draw_list, p_uniform_set, 1); + } + RD::get_singleton()->draw_list_bind_uniform_set(draw_list, p_texture_set, 2); + // Fog uniform set can be invalidated before drawing, so validate at draw time + if (sky_scene_state.fog_uniform_set.is_valid() && RD::get_singleton()->uniform_set_is_valid(sky_scene_state.fog_uniform_set)) { + RD::get_singleton()->draw_list_bind_uniform_set(draw_list, sky_scene_state.fog_uniform_set, 3); + } else { + RD::get_singleton()->draw_list_bind_uniform_set(draw_list, sky_scene_state.default_fog_uniform_set, 3); + } + } + + RD::get_singleton()->draw_list_bind_index_array(draw_list, index_array); + + RD::get_singleton()->draw_list_set_push_constant(draw_list, &sky_push_constant, sizeof(SkyPushConstant)); + + RD::get_singleton()->draw_list_draw(draw_list, true); +} + +//////////////////////////////////////////////////////////////////////////////// +// ReflectionData + +void SkyRD::ReflectionData::clear_reflection_data() { + layers.clear(); + radiance_base_cubemap = RID(); + if (downsampled_radiance_cubemap.is_valid()) { + RD::get_singleton()->free(downsampled_radiance_cubemap); + } + downsampled_radiance_cubemap = RID(); + downsampled_layer.mipmaps.clear(); + coefficient_buffer = RID(); +} + +void SkyRD::ReflectionData::update_reflection_data(int p_size, int p_mipmaps, bool p_use_array, RID p_base_cube, int p_base_layer, bool p_low_quality, int p_roughness_layers, RD::DataFormat p_texture_format) { + //recreate radiance and all data + + int mipmaps = p_mipmaps; + uint32_t w = p_size, h = p_size; + + EffectsRD *effects = RendererCompositorRD::singleton->get_effects(); + ERR_FAIL_NULL_MSG(effects, "Effects haven't been initialised"); + bool prefer_raster_effects = effects->get_prefer_raster_effects(); + + if (p_use_array) { + int num_layers = p_low_quality ? 8 : p_roughness_layers; + + for (int i = 0; i < num_layers; i++) { + ReflectionData::Layer layer; + uint32_t mmw = w; + uint32_t mmh = h; + layer.mipmaps.resize(mipmaps); + layer.views.resize(mipmaps); + for (int j = 0; j < mipmaps; j++) { + ReflectionData::Layer::Mipmap &mm = layer.mipmaps.write[j]; + mm.size.width = mmw; + mm.size.height = mmh; + for (int k = 0; k < 6; k++) { + mm.views[k] = RD::get_singleton()->texture_create_shared_from_slice(RD::TextureView(), p_base_cube, p_base_layer + i * 6 + k, j); + Vector<RID> fbtex; + fbtex.push_back(mm.views[k]); + mm.framebuffers[k] = RD::get_singleton()->framebuffer_create(fbtex); + } + + layer.views.write[j] = RD::get_singleton()->texture_create_shared_from_slice(RD::TextureView(), p_base_cube, p_base_layer + i * 6, j, 1, RD::TEXTURE_SLICE_CUBEMAP); + + mmw = MAX(1u, mmw >> 1); + mmh = MAX(1u, mmh >> 1); + } + + layers.push_back(layer); + } + + } else { + mipmaps = p_low_quality ? 8 : mipmaps; + //regular cubemap, lower quality (aliasing, less memory) + ReflectionData::Layer layer; + uint32_t mmw = w; + uint32_t mmh = h; + layer.mipmaps.resize(mipmaps); + layer.views.resize(mipmaps); + for (int j = 0; j < mipmaps; j++) { + ReflectionData::Layer::Mipmap &mm = layer.mipmaps.write[j]; + mm.size.width = mmw; + mm.size.height = mmh; + for (int k = 0; k < 6; k++) { + mm.views[k] = RD::get_singleton()->texture_create_shared_from_slice(RD::TextureView(), p_base_cube, p_base_layer + k, j); + Vector<RID> fbtex; + fbtex.push_back(mm.views[k]); + mm.framebuffers[k] = RD::get_singleton()->framebuffer_create(fbtex); + } + + layer.views.write[j] = RD::get_singleton()->texture_create_shared_from_slice(RD::TextureView(), p_base_cube, p_base_layer, j, 1, RD::TEXTURE_SLICE_CUBEMAP); + + mmw = MAX(1u, mmw >> 1); + mmh = MAX(1u, mmh >> 1); + } + + layers.push_back(layer); + } + + radiance_base_cubemap = RD::get_singleton()->texture_create_shared_from_slice(RD::TextureView(), p_base_cube, p_base_layer, 0, 1, RD::TEXTURE_SLICE_CUBEMAP); + RD::get_singleton()->set_resource_name(radiance_base_cubemap, "radiance base cubemap"); + + RD::TextureFormat tf; + tf.format = p_texture_format; + tf.width = p_low_quality ? 64 : p_size >> 1; // Always 64x64 when using REALTIME. + tf.height = p_low_quality ? 64 : p_size >> 1; + tf.texture_type = RD::TEXTURE_TYPE_CUBE; + tf.array_layers = 6; + tf.mipmaps = p_low_quality ? 7 : mipmaps - 1; + tf.usage_bits = RD::TEXTURE_USAGE_SAMPLING_BIT | RD::TEXTURE_USAGE_STORAGE_BIT | RD::TEXTURE_USAGE_COLOR_ATTACHMENT_BIT; + + downsampled_radiance_cubemap = RD::get_singleton()->texture_create(tf, RD::TextureView()); + RD::get_singleton()->set_resource_name(downsampled_radiance_cubemap, "downsampled radiance cubemap"); + { + uint32_t mmw = tf.width; + uint32_t mmh = tf.height; + downsampled_layer.mipmaps.resize(tf.mipmaps); + for (int j = 0; j < downsampled_layer.mipmaps.size(); j++) { + ReflectionData::DownsampleLayer::Mipmap &mm = downsampled_layer.mipmaps.write[j]; + mm.size.width = mmw; + mm.size.height = mmh; + mm.view = RD::get_singleton()->texture_create_shared_from_slice(RD::TextureView(), downsampled_radiance_cubemap, 0, j, 1, RD::TEXTURE_SLICE_CUBEMAP); + RD::get_singleton()->set_resource_name(mm.view, "Downsampled Radiance Cubemap Mip " + itos(j) + " "); + if (prefer_raster_effects) { + // we need a framebuffer for each side of our cubemap + + for (int k = 0; k < 6; k++) { + mm.views[k] = RD::get_singleton()->texture_create_shared_from_slice(RD::TextureView(), downsampled_radiance_cubemap, k, j); + RD::get_singleton()->set_resource_name(mm.view, "Downsampled Radiance Cubemap Mip: " + itos(j) + " Face: " + itos(k) + " "); + Vector<RID> fbtex; + fbtex.push_back(mm.views[k]); + mm.framebuffers[k] = RD::get_singleton()->framebuffer_create(fbtex); + } + } + + mmw = MAX(1u, mmw >> 1); + mmh = MAX(1u, mmh >> 1); + } + } +} + +void SkyRD::ReflectionData::create_reflection_fast_filter(bool p_use_arrays) { + RendererRD::CopyEffects *copy_effects = RendererRD::CopyEffects::get_singleton(); + ERR_FAIL_NULL_MSG(copy_effects, "Effects haven't been initialised"); + bool prefer_raster_effects = copy_effects->get_prefer_raster_effects(); + + if (prefer_raster_effects) { + RD::get_singleton()->draw_command_begin_label("Downsample radiance map"); + for (int k = 0; k < 6; k++) { + copy_effects->cubemap_downsample_raster(radiance_base_cubemap, downsampled_layer.mipmaps[0].framebuffers[k], k, downsampled_layer.mipmaps[0].size); + } + + for (int i = 1; i < downsampled_layer.mipmaps.size(); i++) { + for (int k = 0; k < 6; k++) { + copy_effects->cubemap_downsample_raster(downsampled_layer.mipmaps[i - 1].view, downsampled_layer.mipmaps[i].framebuffers[k], k, downsampled_layer.mipmaps[i].size); + } + } + RD::get_singleton()->draw_command_end_label(); // Downsample Radiance + + if (p_use_arrays) { + RD::get_singleton()->draw_command_begin_label("filter radiance map into array heads"); + for (int i = 0; i < layers.size(); i++) { + for (int k = 0; k < 6; k++) { + copy_effects->cubemap_filter_raster(downsampled_radiance_cubemap, layers[i].mipmaps[0].framebuffers[k], k, i); + } + } + } else { + RD::get_singleton()->draw_command_begin_label("filter radiance map into mipmaps directly"); + for (int j = 0; j < layers[0].mipmaps.size(); j++) { + for (int k = 0; k < 6; k++) { + copy_effects->cubemap_filter_raster(downsampled_radiance_cubemap, layers[0].mipmaps[j].framebuffers[k], k, j); + } + } + } + RD::get_singleton()->draw_command_end_label(); // Filter radiance + } else { + RD::get_singleton()->draw_command_begin_label("Downsample radiance map"); + copy_effects->cubemap_downsample(radiance_base_cubemap, downsampled_layer.mipmaps[0].view, downsampled_layer.mipmaps[0].size); + + for (int i = 1; i < downsampled_layer.mipmaps.size(); i++) { + copy_effects->cubemap_downsample(downsampled_layer.mipmaps[i - 1].view, downsampled_layer.mipmaps[i].view, downsampled_layer.mipmaps[i].size); + } + RD::get_singleton()->draw_command_end_label(); // Downsample Radiance + Vector<RID> views; + if (p_use_arrays) { + for (int i = 1; i < layers.size(); i++) { + views.push_back(layers[i].views[0]); + } + } else { + for (int i = 1; i < layers[0].views.size(); i++) { + views.push_back(layers[0].views[i]); + } + } + RD::get_singleton()->draw_command_begin_label("Fast filter radiance"); + copy_effects->cubemap_filter(downsampled_radiance_cubemap, views, p_use_arrays); + RD::get_singleton()->draw_command_end_label(); // Filter radiance + } +} + +void SkyRD::ReflectionData::create_reflection_importance_sample(bool p_use_arrays, int p_cube_side, int p_base_layer, uint32_t p_sky_ggx_samples_quality) { + RendererRD::CopyEffects *copy_effects = RendererRD::CopyEffects::get_singleton(); + ERR_FAIL_NULL_MSG(copy_effects, "Effects haven't been initialised"); + bool prefer_raster_effects = copy_effects->get_prefer_raster_effects(); + + if (prefer_raster_effects) { + if (p_base_layer == 1) { + RD::get_singleton()->draw_command_begin_label("Downsample radiance map"); + for (int k = 0; k < 6; k++) { + copy_effects->cubemap_downsample_raster(radiance_base_cubemap, downsampled_layer.mipmaps[0].framebuffers[k], k, downsampled_layer.mipmaps[0].size); + } + + for (int i = 1; i < downsampled_layer.mipmaps.size(); i++) { + for (int k = 0; k < 6; k++) { + copy_effects->cubemap_downsample_raster(downsampled_layer.mipmaps[i - 1].view, downsampled_layer.mipmaps[i].framebuffers[k], k, downsampled_layer.mipmaps[i].size); + } + } + RD::get_singleton()->draw_command_end_label(); // Downsample Radiance + } + + RD::get_singleton()->draw_command_begin_label("High Quality filter radiance"); + if (p_use_arrays) { + for (int k = 0; k < 6; k++) { + copy_effects->cubemap_roughness_raster( + downsampled_radiance_cubemap, + layers[p_base_layer].mipmaps[0].framebuffers[k], + k, + p_sky_ggx_samples_quality, + float(p_base_layer) / (layers.size() - 1.0), + layers[p_base_layer].mipmaps[0].size.x); + } + } else { + for (int k = 0; k < 6; k++) { + copy_effects->cubemap_roughness_raster( + downsampled_radiance_cubemap, + layers[0].mipmaps[p_base_layer].framebuffers[k], + k, + p_sky_ggx_samples_quality, + float(p_base_layer) / (layers[0].mipmaps.size() - 1.0), + layers[0].mipmaps[p_base_layer].size.x); + } + } + } else { + if (p_base_layer == 1) { + RD::get_singleton()->draw_command_begin_label("Downsample radiance map"); + copy_effects->cubemap_downsample(radiance_base_cubemap, downsampled_layer.mipmaps[0].view, downsampled_layer.mipmaps[0].size); + + for (int i = 1; i < downsampled_layer.mipmaps.size(); i++) { + copy_effects->cubemap_downsample(downsampled_layer.mipmaps[i - 1].view, downsampled_layer.mipmaps[i].view, downsampled_layer.mipmaps[i].size); + } + RD::get_singleton()->draw_command_end_label(); // Downsample Radiance + } + + RD::get_singleton()->draw_command_begin_label("High Quality filter radiance"); + if (p_use_arrays) { + copy_effects->cubemap_roughness(downsampled_radiance_cubemap, layers[p_base_layer].views[0], p_cube_side, p_sky_ggx_samples_quality, float(p_base_layer) / (layers.size() - 1.0), layers[p_base_layer].mipmaps[0].size.x); + } else { + copy_effects->cubemap_roughness( + downsampled_radiance_cubemap, + layers[0].views[p_base_layer], + p_cube_side, + p_sky_ggx_samples_quality, + float(p_base_layer) / (layers[0].mipmaps.size() - 1.0), + layers[0].mipmaps[p_base_layer].size.x); + } + } + RD::get_singleton()->draw_command_end_label(); // Filter radiance +} + +void SkyRD::ReflectionData::update_reflection_mipmaps(int p_start, int p_end) { + RendererRD::CopyEffects *copy_effects = RendererRD::CopyEffects::get_singleton(); + ERR_FAIL_NULL_MSG(copy_effects, "Effects haven't been initialised"); + bool prefer_raster_effects = copy_effects->get_prefer_raster_effects(); + + RD::get_singleton()->draw_command_begin_label("Update Radiance Cubemap Array Mipmaps"); + for (int i = p_start; i < p_end; i++) { + for (int j = 0; j < layers[i].views.size() - 1; j++) { + RID view = layers[i].views[j]; + Size2i size = layers[i].mipmaps[j + 1].size; + if (prefer_raster_effects) { + for (int k = 0; k < 6; k++) { + RID framebuffer = layers[i].mipmaps[j + 1].framebuffers[k]; + copy_effects->cubemap_downsample_raster(view, framebuffer, k, size); + } + } else { + RID texture = layers[i].views[j + 1]; + copy_effects->cubemap_downsample(view, texture, size); + } + } + } + RD::get_singleton()->draw_command_end_label(); +} + +//////////////////////////////////////////////////////////////////////////////// +// SkyRD::Sky + +void SkyRD::Sky::free() { + if (radiance.is_valid()) { + RD::get_singleton()->free(radiance); + radiance = RID(); + } + reflection.clear_reflection_data(); + + if (uniform_buffer.is_valid()) { + RD::get_singleton()->free(uniform_buffer); + uniform_buffer = RID(); + } + + if (half_res_pass.is_valid()) { + RD::get_singleton()->free(half_res_pass); + half_res_pass = RID(); + } + + if (quarter_res_pass.is_valid()) { + RD::get_singleton()->free(quarter_res_pass); + quarter_res_pass = RID(); + } + + if (material.is_valid()) { + RSG::material_storage->material_free(material); + material = RID(); + } +} + +RID SkyRD::Sky::get_textures(SkyTextureSetVersion p_version, RID p_default_shader_rd) { + RendererRD::TextureStorage *texture_storage = RendererRD::TextureStorage::get_singleton(); + + if (texture_uniform_sets[p_version].is_valid() && RD::get_singleton()->uniform_set_is_valid(texture_uniform_sets[p_version])) { + return texture_uniform_sets[p_version]; + } + Vector<RD::Uniform> uniforms; + { + RD::Uniform u; + u.uniform_type = RD::UNIFORM_TYPE_TEXTURE; + u.binding = 0; + if (radiance.is_valid() && p_version <= SKY_TEXTURE_SET_QUARTER_RES) { + u.append_id(radiance); + } else { + u.append_id(texture_storage->texture_rd_get_default(RendererRD::TextureStorage::DEFAULT_RD_TEXTURE_CUBEMAP_BLACK)); + } + uniforms.push_back(u); + } + { + RD::Uniform u; + u.uniform_type = RD::UNIFORM_TYPE_TEXTURE; + u.binding = 1; // half res + if (half_res_pass.is_valid() && p_version != SKY_TEXTURE_SET_HALF_RES && p_version != SKY_TEXTURE_SET_CUBEMAP_HALF_RES) { + if (p_version >= SKY_TEXTURE_SET_CUBEMAP) { + u.append_id(reflection.layers[0].views[1]); + } else { + u.append_id(half_res_pass); + } + } else { + if (p_version < SKY_TEXTURE_SET_CUBEMAP) { + u.append_id(texture_storage->texture_rd_get_default(RendererRD::TextureStorage::DEFAULT_RD_TEXTURE_WHITE)); + } else { + u.append_id(texture_storage->texture_rd_get_default(RendererRD::TextureStorage::DEFAULT_RD_TEXTURE_CUBEMAP_BLACK)); + } + } + uniforms.push_back(u); + } + { + RD::Uniform u; + u.uniform_type = RD::UNIFORM_TYPE_TEXTURE; + u.binding = 2; // quarter res + if (quarter_res_pass.is_valid() && p_version != SKY_TEXTURE_SET_QUARTER_RES && p_version != SKY_TEXTURE_SET_CUBEMAP_QUARTER_RES) { + if (p_version >= SKY_TEXTURE_SET_CUBEMAP) { + u.append_id(reflection.layers[0].views[2]); + } else { + u.append_id(quarter_res_pass); + } + } else { + if (p_version < SKY_TEXTURE_SET_CUBEMAP) { + u.append_id(texture_storage->texture_rd_get_default(RendererRD::TextureStorage::DEFAULT_RD_TEXTURE_WHITE)); + } else { + u.append_id(texture_storage->texture_rd_get_default(RendererRD::TextureStorage::DEFAULT_RD_TEXTURE_CUBEMAP_BLACK)); + } + } + uniforms.push_back(u); + } + + texture_uniform_sets[p_version] = RD::get_singleton()->uniform_set_create(uniforms, p_default_shader_rd, SKY_SET_TEXTURES); + return texture_uniform_sets[p_version]; +} + +bool SkyRD::Sky::set_radiance_size(int p_radiance_size) { + ERR_FAIL_COND_V(p_radiance_size < 32 || p_radiance_size > 2048, false); + if (radiance_size == p_radiance_size) { + return false; + } + radiance_size = p_radiance_size; + + if (mode == RS::SKY_MODE_REALTIME && radiance_size != 256) { + WARN_PRINT("Realtime Skies can only use a radiance size of 256. Radiance size will be set to 256 internally."); + radiance_size = 256; + } + + if (radiance.is_valid()) { + RD::get_singleton()->free(radiance); + radiance = RID(); + } + reflection.clear_reflection_data(); + + return true; +} + +bool SkyRD::Sky::set_mode(RS::SkyMode p_mode) { + if (mode == p_mode) { + return false; + } + + mode = p_mode; + + if (mode == RS::SKY_MODE_REALTIME && radiance_size != 256) { + WARN_PRINT("Realtime Skies can only use a radiance size of 256. Radiance size will be set to 256 internally."); + set_radiance_size(256); + } + + if (radiance.is_valid()) { + RD::get_singleton()->free(radiance); + radiance = RID(); + } + reflection.clear_reflection_data(); + + return true; +} + +bool SkyRD::Sky::set_material(RID p_material) { + if (material == p_material) { + return false; + } + + material = p_material; + return true; +} + +Ref<Image> SkyRD::Sky::bake_panorama(float p_energy, int p_roughness_layers, const Size2i &p_size) { + if (radiance.is_valid()) { + RendererRD::CopyEffects *copy_effects = RendererRD::CopyEffects::get_singleton(); + + RD::TextureFormat tf; + tf.format = RD::DATA_FORMAT_R32G32B32A32_SFLOAT; // Could be RGBA16 + tf.width = p_size.width; + tf.height = p_size.height; + tf.usage_bits = RD::TEXTURE_USAGE_STORAGE_BIT | RD::TEXTURE_USAGE_CAN_COPY_FROM_BIT; + + RID rad_tex = RD::get_singleton()->texture_create(tf, RD::TextureView()); + copy_effects->copy_cubemap_to_panorama(radiance, rad_tex, p_size, p_roughness_layers, reflection.layers.size() > 1); + Vector<uint8_t> data = RD::get_singleton()->texture_get_data(rad_tex, 0); + RD::get_singleton()->free(rad_tex); + + Ref<Image> img = Image::create_from_data(p_size.width, p_size.height, false, Image::FORMAT_RGBAF, data); + for (int i = 0; i < p_size.width; i++) { + for (int j = 0; j < p_size.height; j++) { + Color c = img->get_pixel(i, j); + c.r *= p_energy; + c.g *= p_energy; + c.b *= p_energy; + img->set_pixel(i, j, c); + } + } + return img; + } + + return Ref<Image>(); +} + +//////////////////////////////////////////////////////////////////////////////// +// SkyRD + +RendererRD::MaterialStorage::ShaderData *SkyRD::_create_sky_shader_func() { + SkyShaderData *shader_data = memnew(SkyShaderData); + return shader_data; +} + +RendererRD::MaterialStorage::ShaderData *SkyRD::_create_sky_shader_funcs() { + // !BAS! Why isn't _create_sky_shader_func not just static too? + return static_cast<RendererSceneRenderRD *>(RendererSceneRenderRD::singleton)->sky._create_sky_shader_func(); +}; + +RendererRD::MaterialStorage::MaterialData *SkyRD::_create_sky_material_func(SkyShaderData *p_shader) { + SkyMaterialData *material_data = memnew(SkyMaterialData); + material_data->shader_data = p_shader; + //update will happen later anyway so do nothing. + return material_data; +} + +RendererRD::MaterialStorage::MaterialData *SkyRD::_create_sky_material_funcs(RendererRD::MaterialStorage::ShaderData *p_shader) { + // !BAS! same here, we could just make _create_sky_material_func static? + return static_cast<RendererSceneRenderRD *>(RendererSceneRenderRD::singleton)->sky._create_sky_material_func(static_cast<SkyShaderData *>(p_shader)); +}; + +SkyRD::SkyRD() { + roughness_layers = GLOBAL_GET("rendering/reflections/sky_reflections/roughness_layers"); + sky_ggx_samples_quality = GLOBAL_GET("rendering/reflections/sky_reflections/ggx_samples"); + sky_use_cubemap_array = GLOBAL_GET("rendering/reflections/sky_reflections/texture_array_reflections"); +} + +void SkyRD::init() { + RendererRD::TextureStorage *texture_storage = RendererRD::TextureStorage::get_singleton(); + RendererRD::MaterialStorage *material_storage = RendererRD::MaterialStorage::get_singleton(); + + { + // Start with the directional lights for the sky + sky_scene_state.max_directional_lights = 4; + uint32_t directional_light_buffer_size = sky_scene_state.max_directional_lights * sizeof(SkyDirectionalLightData); + sky_scene_state.directional_lights = memnew_arr(SkyDirectionalLightData, sky_scene_state.max_directional_lights); + sky_scene_state.last_frame_directional_lights = memnew_arr(SkyDirectionalLightData, sky_scene_state.max_directional_lights); + sky_scene_state.last_frame_directional_light_count = sky_scene_state.max_directional_lights + 1; + sky_scene_state.directional_light_buffer = RD::get_singleton()->uniform_buffer_create(directional_light_buffer_size); + + String defines = "\n#define MAX_DIRECTIONAL_LIGHT_DATA_STRUCTS " + itos(sky_scene_state.max_directional_lights) + "\n"; + + // Initialize sky + Vector<String> sky_modes; + sky_modes.push_back(""); // Full size + sky_modes.push_back("\n#define USE_HALF_RES_PASS\n"); // Half Res + sky_modes.push_back("\n#define USE_QUARTER_RES_PASS\n"); // Quarter res + sky_modes.push_back("\n#define USE_CUBEMAP_PASS\n"); // Cubemap + sky_modes.push_back("\n#define USE_CUBEMAP_PASS\n#define USE_HALF_RES_PASS\n"); // Half Res Cubemap + sky_modes.push_back("\n#define USE_CUBEMAP_PASS\n#define USE_QUARTER_RES_PASS\n"); // Quarter res Cubemap + + sky_modes.push_back("\n#define USE_MULTIVIEW\n"); // Full size multiview + sky_modes.push_back("\n#define USE_HALF_RES_PASS\n#define USE_MULTIVIEW\n"); // Half Res multiview + sky_modes.push_back("\n#define USE_QUARTER_RES_PASS\n#define USE_MULTIVIEW\n"); // Quarter res multiview + + sky_shader.shader.initialize(sky_modes, defines); + + if (!RendererCompositorRD::singleton->is_xr_enabled()) { + sky_shader.shader.set_variant_enabled(SKY_VERSION_BACKGROUND_MULTIVIEW, false); + sky_shader.shader.set_variant_enabled(SKY_VERSION_HALF_RES_MULTIVIEW, false); + sky_shader.shader.set_variant_enabled(SKY_VERSION_QUARTER_RES_MULTIVIEW, false); + } + } + + // register our shader funds + material_storage->shader_set_data_request_function(RendererRD::MaterialStorage::SHADER_TYPE_SKY, _create_sky_shader_funcs); + material_storage->material_set_data_request_function(RendererRD::MaterialStorage::SHADER_TYPE_SKY, _create_sky_material_funcs); + + { + ShaderCompiler::DefaultIdentifierActions actions; + + actions.renames["COLOR"] = "color"; + actions.renames["ALPHA"] = "alpha"; + actions.renames["EYEDIR"] = "cube_normal"; + actions.renames["POSITION"] = "params.position"; + actions.renames["SKY_COORDS"] = "panorama_coords"; + actions.renames["SCREEN_UV"] = "uv"; + actions.renames["FRAGCOORD"] = "gl_FragCoord"; + actions.renames["TIME"] = "params.time"; + actions.renames["PI"] = _MKSTR(Math_PI); + actions.renames["TAU"] = _MKSTR(Math_TAU); + actions.renames["E"] = _MKSTR(Math_E); + actions.renames["HALF_RES_COLOR"] = "half_res_color"; + actions.renames["QUARTER_RES_COLOR"] = "quarter_res_color"; + actions.renames["RADIANCE"] = "radiance"; + actions.renames["FOG"] = "custom_fog"; + actions.renames["LIGHT0_ENABLED"] = "directional_lights.data[0].enabled"; + actions.renames["LIGHT0_DIRECTION"] = "directional_lights.data[0].direction_energy.xyz"; + actions.renames["LIGHT0_ENERGY"] = "directional_lights.data[0].direction_energy.w"; + actions.renames["LIGHT0_COLOR"] = "directional_lights.data[0].color_size.xyz"; + actions.renames["LIGHT0_SIZE"] = "directional_lights.data[0].color_size.w"; + actions.renames["LIGHT1_ENABLED"] = "directional_lights.data[1].enabled"; + actions.renames["LIGHT1_DIRECTION"] = "directional_lights.data[1].direction_energy.xyz"; + actions.renames["LIGHT1_ENERGY"] = "directional_lights.data[1].direction_energy.w"; + actions.renames["LIGHT1_COLOR"] = "directional_lights.data[1].color_size.xyz"; + actions.renames["LIGHT1_SIZE"] = "directional_lights.data[1].color_size.w"; + actions.renames["LIGHT2_ENABLED"] = "directional_lights.data[2].enabled"; + actions.renames["LIGHT2_DIRECTION"] = "directional_lights.data[2].direction_energy.xyz"; + actions.renames["LIGHT2_ENERGY"] = "directional_lights.data[2].direction_energy.w"; + actions.renames["LIGHT2_COLOR"] = "directional_lights.data[2].color_size.xyz"; + actions.renames["LIGHT2_SIZE"] = "directional_lights.data[2].color_size.w"; + actions.renames["LIGHT3_ENABLED"] = "directional_lights.data[3].enabled"; + actions.renames["LIGHT3_DIRECTION"] = "directional_lights.data[3].direction_energy.xyz"; + actions.renames["LIGHT3_ENERGY"] = "directional_lights.data[3].direction_energy.w"; + actions.renames["LIGHT3_COLOR"] = "directional_lights.data[3].color_size.xyz"; + actions.renames["LIGHT3_SIZE"] = "directional_lights.data[3].color_size.w"; + actions.renames["AT_CUBEMAP_PASS"] = "AT_CUBEMAP_PASS"; + actions.renames["AT_HALF_RES_PASS"] = "AT_HALF_RES_PASS"; + actions.renames["AT_QUARTER_RES_PASS"] = "AT_QUARTER_RES_PASS"; + actions.custom_samplers["RADIANCE"] = "material_samplers[3]"; + actions.usage_defines["HALF_RES_COLOR"] = "\n#define USES_HALF_RES_COLOR\n"; + actions.usage_defines["QUARTER_RES_COLOR"] = "\n#define USES_QUARTER_RES_COLOR\n"; + actions.render_mode_defines["disable_fog"] = "#define DISABLE_FOG\n"; + actions.render_mode_defines["use_debanding"] = "#define USE_DEBANDING\n"; + + actions.sampler_array_name = "material_samplers"; + actions.base_texture_binding_index = 1; + actions.texture_layout_set = 1; + actions.base_uniform_string = "material."; + actions.base_varying_index = 10; + + actions.default_filter = ShaderLanguage::FILTER_LINEAR_MIPMAP; + actions.default_repeat = ShaderLanguage::REPEAT_ENABLE; + actions.global_buffer_array_variable = "global_shader_uniforms.data"; + + sky_shader.compiler.initialize(actions); + } + + { + // default material and shader for sky shader + sky_shader.default_shader = material_storage->shader_allocate(); + material_storage->shader_initialize(sky_shader.default_shader); + + material_storage->shader_set_code(sky_shader.default_shader, R"( +// Default sky shader. + +shader_type sky; + +void sky() { + COLOR = vec3(0.0); +} +)"); + + sky_shader.default_material = material_storage->material_allocate(); + material_storage->material_initialize(sky_shader.default_material); + + material_storage->material_set_shader(sky_shader.default_material, sky_shader.default_shader); + + SkyMaterialData *md = static_cast<SkyMaterialData *>(material_storage->material_get_data(sky_shader.default_material, RendererRD::MaterialStorage::SHADER_TYPE_SKY)); + sky_shader.default_shader_rd = sky_shader.shader.version_get_shader(md->shader_data->version, SKY_VERSION_BACKGROUND); + + sky_scene_state.uniform_buffer = RD::get_singleton()->uniform_buffer_create(sizeof(SkySceneState::UBO)); + + Vector<RD::Uniform> uniforms; + + { + Vector<RID> ids; + ids.resize(12); + RID *ids_ptr = ids.ptrw(); + ids_ptr[0] = material_storage->sampler_rd_get_default(RS::CANVAS_ITEM_TEXTURE_FILTER_NEAREST, RS::CANVAS_ITEM_TEXTURE_REPEAT_DISABLED); + ids_ptr[1] = material_storage->sampler_rd_get_default(RS::CANVAS_ITEM_TEXTURE_FILTER_LINEAR, RS::CANVAS_ITEM_TEXTURE_REPEAT_DISABLED); + ids_ptr[2] = material_storage->sampler_rd_get_default(RS::CANVAS_ITEM_TEXTURE_FILTER_NEAREST_WITH_MIPMAPS, RS::CANVAS_ITEM_TEXTURE_REPEAT_DISABLED); + ids_ptr[3] = material_storage->sampler_rd_get_default(RS::CANVAS_ITEM_TEXTURE_FILTER_LINEAR_WITH_MIPMAPS, RS::CANVAS_ITEM_TEXTURE_REPEAT_DISABLED); + ids_ptr[4] = material_storage->sampler_rd_get_default(RS::CANVAS_ITEM_TEXTURE_FILTER_NEAREST_WITH_MIPMAPS_ANISOTROPIC, RS::CANVAS_ITEM_TEXTURE_REPEAT_DISABLED); + ids_ptr[5] = material_storage->sampler_rd_get_default(RS::CANVAS_ITEM_TEXTURE_FILTER_LINEAR_WITH_MIPMAPS_ANISOTROPIC, RS::CANVAS_ITEM_TEXTURE_REPEAT_DISABLED); + ids_ptr[6] = material_storage->sampler_rd_get_default(RS::CANVAS_ITEM_TEXTURE_FILTER_NEAREST, RS::CANVAS_ITEM_TEXTURE_REPEAT_ENABLED); + ids_ptr[7] = material_storage->sampler_rd_get_default(RS::CANVAS_ITEM_TEXTURE_FILTER_LINEAR, RS::CANVAS_ITEM_TEXTURE_REPEAT_ENABLED); + ids_ptr[8] = material_storage->sampler_rd_get_default(RS::CANVAS_ITEM_TEXTURE_FILTER_NEAREST_WITH_MIPMAPS, RS::CANVAS_ITEM_TEXTURE_REPEAT_ENABLED); + ids_ptr[9] = material_storage->sampler_rd_get_default(RS::CANVAS_ITEM_TEXTURE_FILTER_LINEAR_WITH_MIPMAPS, RS::CANVAS_ITEM_TEXTURE_REPEAT_ENABLED); + ids_ptr[10] = material_storage->sampler_rd_get_default(RS::CANVAS_ITEM_TEXTURE_FILTER_NEAREST_WITH_MIPMAPS_ANISOTROPIC, RS::CANVAS_ITEM_TEXTURE_REPEAT_ENABLED); + ids_ptr[11] = material_storage->sampler_rd_get_default(RS::CANVAS_ITEM_TEXTURE_FILTER_LINEAR_WITH_MIPMAPS_ANISOTROPIC, RS::CANVAS_ITEM_TEXTURE_REPEAT_ENABLED); + + RD::Uniform u(RD::UNIFORM_TYPE_SAMPLER, 0, ids); + + uniforms.push_back(u); + } + + { + RD::Uniform u; + u.uniform_type = RD::UNIFORM_TYPE_STORAGE_BUFFER; + u.binding = 1; + u.append_id(RendererRD::MaterialStorage::get_singleton()->global_shader_uniforms_get_storage_buffer()); + uniforms.push_back(u); + } + + { + RD::Uniform u; + u.binding = 2; + u.uniform_type = RD::UNIFORM_TYPE_UNIFORM_BUFFER; + u.append_id(sky_scene_state.uniform_buffer); + uniforms.push_back(u); + } + + { + RD::Uniform u; + u.binding = 3; + u.uniform_type = RD::UNIFORM_TYPE_UNIFORM_BUFFER; + u.append_id(sky_scene_state.directional_light_buffer); + uniforms.push_back(u); + } + + sky_scene_state.uniform_set = RD::get_singleton()->uniform_set_create(uniforms, sky_shader.default_shader_rd, SKY_SET_UNIFORMS); + } + + { + Vector<RD::Uniform> uniforms; + { + RD::Uniform u; + u.binding = 0; + u.uniform_type = RD::UNIFORM_TYPE_TEXTURE; + RID vfog = texture_storage->texture_rd_get_default(RendererRD::TextureStorage::DEFAULT_RD_TEXTURE_3D_WHITE); + u.append_id(vfog); + uniforms.push_back(u); + } + + sky_scene_state.default_fog_uniform_set = RD::get_singleton()->uniform_set_create(uniforms, sky_shader.default_shader_rd, SKY_SET_FOG); + } + + { + // Need defaults for using fog with clear color + sky_scene_state.fog_shader = material_storage->shader_allocate(); + material_storage->shader_initialize(sky_scene_state.fog_shader); + + material_storage->shader_set_code(sky_scene_state.fog_shader, R"( +// Default clear color sky shader. + +shader_type sky; + +uniform vec4 clear_color; + +void sky() { + COLOR = clear_color.rgb; +} +)"); + sky_scene_state.fog_material = material_storage->material_allocate(); + material_storage->material_initialize(sky_scene_state.fog_material); + + material_storage->material_set_shader(sky_scene_state.fog_material, sky_scene_state.fog_shader); + + Vector<RD::Uniform> uniforms; + { + RD::Uniform u; + u.uniform_type = RD::UNIFORM_TYPE_TEXTURE; + u.binding = 0; + u.append_id(texture_storage->texture_rd_get_default(RendererRD::TextureStorage::DEFAULT_RD_TEXTURE_CUBEMAP_BLACK)); + uniforms.push_back(u); + } + { + RD::Uniform u; + u.uniform_type = RD::UNIFORM_TYPE_TEXTURE; + u.binding = 1; + u.append_id(texture_storage->texture_rd_get_default(RendererRD::TextureStorage::DEFAULT_RD_TEXTURE_WHITE)); + uniforms.push_back(u); + } + { + RD::Uniform u; + u.uniform_type = RD::UNIFORM_TYPE_TEXTURE; + u.binding = 2; + u.append_id(texture_storage->texture_rd_get_default(RendererRD::TextureStorage::DEFAULT_RD_TEXTURE_WHITE)); + uniforms.push_back(u); + } + + sky_scene_state.fog_only_texture_uniform_set = RD::get_singleton()->uniform_set_create(uniforms, sky_shader.default_shader_rd, SKY_SET_TEXTURES); + } + + { //create index array for copy shaders + Vector<uint8_t> pv; + pv.resize(6 * 4); + { + uint8_t *w = pv.ptrw(); + int *p32 = (int *)w; + p32[0] = 0; + p32[1] = 1; + p32[2] = 2; + p32[3] = 0; + p32[4] = 2; + p32[5] = 3; + } + index_buffer = RD::get_singleton()->index_buffer_create(6, RenderingDevice::INDEX_BUFFER_FORMAT_UINT32, pv); + index_array = RD::get_singleton()->index_array_create(index_buffer, 0, 6); + } +} + +void SkyRD::set_texture_format(RD::DataFormat p_texture_format) { + texture_format = p_texture_format; +} + +SkyRD::~SkyRD() { + // cleanup anything created in init... + RendererRD::MaterialStorage *material_storage = RendererRD::MaterialStorage::get_singleton(); + + SkyMaterialData *md = static_cast<SkyMaterialData *>(material_storage->material_get_data(sky_shader.default_material, RendererRD::MaterialStorage::SHADER_TYPE_SKY)); + sky_shader.shader.version_free(md->shader_data->version); + RD::get_singleton()->free(sky_scene_state.directional_light_buffer); + RD::get_singleton()->free(sky_scene_state.uniform_buffer); + memdelete_arr(sky_scene_state.directional_lights); + memdelete_arr(sky_scene_state.last_frame_directional_lights); + material_storage->shader_free(sky_shader.default_shader); + material_storage->material_free(sky_shader.default_material); + material_storage->shader_free(sky_scene_state.fog_shader); + material_storage->material_free(sky_scene_state.fog_material); + + if (RD::get_singleton()->uniform_set_is_valid(sky_scene_state.uniform_set)) { + RD::get_singleton()->free(sky_scene_state.uniform_set); + } + + if (RD::get_singleton()->uniform_set_is_valid(sky_scene_state.default_fog_uniform_set)) { + RD::get_singleton()->free(sky_scene_state.default_fog_uniform_set); + } + + if (RD::get_singleton()->uniform_set_is_valid(sky_scene_state.fog_only_texture_uniform_set)) { + RD::get_singleton()->free(sky_scene_state.fog_only_texture_uniform_set); + } + + RD::get_singleton()->free(index_buffer); //array gets freed as dependency +} + +void SkyRD::setup(RID p_env, Ref<RenderSceneBuffersRD> p_render_buffers, const PagedArray<RID> &p_lights, RID p_camera_attributes, const Projection &p_projection, const Transform3D &p_transform, const Size2i p_screen_size, RendererSceneRenderRD *p_scene_render) { + RendererRD::LightStorage *light_storage = RendererRD::LightStorage::get_singleton(); + RendererRD::MaterialStorage *material_storage = RendererRD::MaterialStorage::get_singleton(); + ERR_FAIL_COND(p_env.is_null()); + + SkyMaterialData *material = nullptr; + Sky *sky = get_sky(RendererSceneRenderRD::get_singleton()->environment_get_sky(p_env)); + + RID sky_material; + + SkyShaderData *shader_data = nullptr; + + if (sky) { + sky_material = sky_get_material(RendererSceneRenderRD::get_singleton()->environment_get_sky(p_env)); + + if (sky_material.is_valid()) { + material = static_cast<SkyMaterialData *>(material_storage->material_get_data(sky_material, RendererRD::MaterialStorage::SHADER_TYPE_SKY)); + if (!material || !material->shader_data->valid) { + material = nullptr; + } + } + + if (!material) { + sky_material = sky_shader.default_material; + material = static_cast<SkyMaterialData *>(material_storage->material_get_data(sky_material, RendererRD::MaterialStorage::SHADER_TYPE_SKY)); + } + + ERR_FAIL_COND(!material); + + shader_data = material->shader_data; + + ERR_FAIL_COND(!shader_data); + + // Invalidate supbass buffers if screen size changes + if (sky->screen_size != p_screen_size) { + sky->screen_size = p_screen_size; + sky->screen_size.x = sky->screen_size.x < 4 ? 4 : sky->screen_size.x; + sky->screen_size.y = sky->screen_size.y < 4 ? 4 : sky->screen_size.y; + if (shader_data->uses_half_res) { + if (sky->half_res_pass.is_valid()) { + RD::get_singleton()->free(sky->half_res_pass); + sky->half_res_pass = RID(); + } + invalidate_sky(sky); + } + if (shader_data->uses_quarter_res) { + if (sky->quarter_res_pass.is_valid()) { + RD::get_singleton()->free(sky->quarter_res_pass); + sky->quarter_res_pass = RID(); + } + invalidate_sky(sky); + } + } + + // Create new subpass buffers if necessary + if ((shader_data->uses_half_res && sky->half_res_pass.is_null()) || + (shader_data->uses_quarter_res && sky->quarter_res_pass.is_null()) || + sky->radiance.is_null()) { + invalidate_sky(sky); + update_dirty_skys(); + } + + if (shader_data->uses_time && p_scene_render->time - sky->prev_time > 0.00001) { + sky->prev_time = p_scene_render->time; + sky->reflection.dirty = true; + RenderingServerDefault::redraw_request(); + } + + if (material != sky->prev_material) { + sky->prev_material = material; + sky->reflection.dirty = true; + } + + if (material->uniform_set_updated) { + material->uniform_set_updated = false; + sky->reflection.dirty = true; + } + + if (!p_transform.origin.is_equal_approx(sky->prev_position) && shader_data->uses_position) { + sky->prev_position = p_transform.origin; + sky->reflection.dirty = true; + } + + if (shader_data->uses_light) { + sky_scene_state.ubo.directional_light_count = 0; + // Run through the list of lights in the scene and pick out the Directional Lights. + // This can't be done in RenderSceneRenderRD::_setup lights because that needs to be called + // after the depth prepass, but this runs before the depth prepass + for (int i = 0; i < (int)p_lights.size(); i++) { + if (!light_storage->owns_light_instance(p_lights[i])) { + continue; + } + RID base = light_storage->light_instance_get_base_light(p_lights[i]); + + ERR_CONTINUE(base.is_null()); + + RS::LightType type = light_storage->light_get_type(base); + if (type == RS::LIGHT_DIRECTIONAL && light_storage->light_directional_get_sky_mode(base) != RS::LIGHT_DIRECTIONAL_SKY_MODE_LIGHT_ONLY) { + SkyDirectionalLightData &sky_light_data = sky_scene_state.directional_lights[sky_scene_state.ubo.directional_light_count]; + Transform3D light_transform = light_storage->light_instance_get_base_transform(p_lights[i]); + Vector3 world_direction = light_transform.basis.xform(Vector3(0, 0, 1)).normalized(); + + sky_light_data.direction[0] = world_direction.x; + sky_light_data.direction[1] = world_direction.y; + sky_light_data.direction[2] = world_direction.z; + + float sign = light_storage->light_is_negative(base) ? -1 : 1; + sky_light_data.energy = sign * light_storage->light_get_param(base, RS::LIGHT_PARAM_ENERGY); + + if (p_scene_render->is_using_physical_light_units()) { + sky_light_data.energy *= light_storage->light_get_param(base, RS::LIGHT_PARAM_INTENSITY); + } + + if (p_camera_attributes.is_valid()) { + sky_light_data.energy *= RSG::camera_attributes->camera_attributes_get_exposure_normalization_factor(p_camera_attributes); + } + + Color linear_col = light_storage->light_get_color(base).srgb_to_linear(); + sky_light_data.color[0] = linear_col.r; + sky_light_data.color[1] = linear_col.g; + sky_light_data.color[2] = linear_col.b; + + sky_light_data.enabled = true; + + float angular_diameter = light_storage->light_get_param(base, RS::LIGHT_PARAM_SIZE); + if (angular_diameter > 0.0) { + // I know tan(0) is 0, but let's not risk it with numerical precision. + // technically this will keep expanding until reaching the sun, but all we care + // is expand until we reach the radius of the near plane (there can't be more occluders than that) + angular_diameter = Math::tan(Math::deg_to_rad(angular_diameter)); + } else { + angular_diameter = 0.0; + } + sky_light_data.size = angular_diameter; + sky_scene_state.ubo.directional_light_count++; + if (sky_scene_state.ubo.directional_light_count >= sky_scene_state.max_directional_lights) { + break; + } + } + } + // Check whether the directional_light_buffer changes + bool light_data_dirty = false; + + // Light buffer is dirty if we have fewer or more lights + // If we have fewer lights, make sure that old lights are disabled + if (sky_scene_state.ubo.directional_light_count != sky_scene_state.last_frame_directional_light_count) { + light_data_dirty = true; + for (uint32_t i = sky_scene_state.ubo.directional_light_count; i < sky_scene_state.max_directional_lights; i++) { + sky_scene_state.directional_lights[i].enabled = false; + sky_scene_state.last_frame_directional_lights[i].enabled = false; + } + } + + if (!light_data_dirty) { + for (uint32_t i = 0; i < sky_scene_state.ubo.directional_light_count; i++) { + if (sky_scene_state.directional_lights[i].direction[0] != sky_scene_state.last_frame_directional_lights[i].direction[0] || + sky_scene_state.directional_lights[i].direction[1] != sky_scene_state.last_frame_directional_lights[i].direction[1] || + sky_scene_state.directional_lights[i].direction[2] != sky_scene_state.last_frame_directional_lights[i].direction[2] || + sky_scene_state.directional_lights[i].energy != sky_scene_state.last_frame_directional_lights[i].energy || + sky_scene_state.directional_lights[i].color[0] != sky_scene_state.last_frame_directional_lights[i].color[0] || + sky_scene_state.directional_lights[i].color[1] != sky_scene_state.last_frame_directional_lights[i].color[1] || + sky_scene_state.directional_lights[i].color[2] != sky_scene_state.last_frame_directional_lights[i].color[2] || + sky_scene_state.directional_lights[i].enabled != sky_scene_state.last_frame_directional_lights[i].enabled || + sky_scene_state.directional_lights[i].size != sky_scene_state.last_frame_directional_lights[i].size) { + light_data_dirty = true; + break; + } + } + } + + if (light_data_dirty) { + RD::get_singleton()->buffer_update(sky_scene_state.directional_light_buffer, 0, sizeof(SkyDirectionalLightData) * sky_scene_state.max_directional_lights, sky_scene_state.directional_lights); + + SkyDirectionalLightData *temp = sky_scene_state.last_frame_directional_lights; + sky_scene_state.last_frame_directional_lights = sky_scene_state.directional_lights; + sky_scene_state.directional_lights = temp; + sky_scene_state.last_frame_directional_light_count = sky_scene_state.ubo.directional_light_count; + sky->reflection.dirty = true; + } + } + } + + //setup fog variables + sky_scene_state.ubo.volumetric_fog_enabled = false; + if (p_render_buffers.is_valid()) { + if (p_render_buffers->has_custom_data(RB_SCOPE_FOG)) { + Ref<RendererRD::Fog::VolumetricFog> fog = p_render_buffers->get_custom_data(RB_SCOPE_FOG); + sky_scene_state.ubo.volumetric_fog_enabled = true; + + float fog_end = fog->length; + if (fog_end > 0.0) { + sky_scene_state.ubo.volumetric_fog_inv_length = 1.0 / fog_end; + } else { + sky_scene_state.ubo.volumetric_fog_inv_length = 1.0; + } + + float fog_detail_spread = fog->spread; //reverse lookup + if (fog_detail_spread > 0.0) { + sky_scene_state.ubo.volumetric_fog_detail_spread = 1.0 / fog_detail_spread; + } else { + sky_scene_state.ubo.volumetric_fog_detail_spread = 1.0; + } + + sky_scene_state.fog_uniform_set = fog->sky_uniform_set; + } + } + + sky_scene_state.ubo.z_far = p_projection.get_z_far(); + sky_scene_state.ubo.fog_enabled = RendererSceneRenderRD::get_singleton()->environment_get_fog_enabled(p_env); + sky_scene_state.ubo.fog_density = RendererSceneRenderRD::get_singleton()->environment_get_fog_density(p_env); + sky_scene_state.ubo.fog_aerial_perspective = RendererSceneRenderRD::get_singleton()->environment_get_fog_aerial_perspective(p_env); + Color fog_color = RendererSceneRenderRD::get_singleton()->environment_get_fog_light_color(p_env).srgb_to_linear(); + float fog_energy = RendererSceneRenderRD::get_singleton()->environment_get_fog_light_energy(p_env); + sky_scene_state.ubo.fog_light_color[0] = fog_color.r * fog_energy; + sky_scene_state.ubo.fog_light_color[1] = fog_color.g * fog_energy; + sky_scene_state.ubo.fog_light_color[2] = fog_color.b * fog_energy; + sky_scene_state.ubo.fog_sun_scatter = RendererSceneRenderRD::get_singleton()->environment_get_fog_sun_scatter(p_env); + + sky_scene_state.ubo.fog_sky_affect = RendererSceneRenderRD::get_singleton()->environment_get_fog_sky_affect(p_env); + sky_scene_state.ubo.volumetric_fog_sky_affect = RendererSceneRenderRD::get_singleton()->environment_get_volumetric_fog_sky_affect(p_env); + + RD::get_singleton()->buffer_update(sky_scene_state.uniform_buffer, 0, sizeof(SkySceneState::UBO), &sky_scene_state.ubo); +} + +void SkyRD::update(RID p_env, const Projection &p_projection, const Transform3D &p_transform, double p_time, float p_luminance_multiplier) { + RendererRD::MaterialStorage *material_storage = RendererRD::MaterialStorage::get_singleton(); + ERR_FAIL_COND(p_env.is_null()); + + Sky *sky = get_sky(RendererSceneRenderRD::get_singleton()->environment_get_sky(p_env)); + ERR_FAIL_COND(!sky); + + RID sky_material = sky_get_material(RendererSceneRenderRD::get_singleton()->environment_get_sky(p_env)); + + SkyMaterialData *material = nullptr; + + if (sky_material.is_valid()) { + material = static_cast<SkyMaterialData *>(material_storage->material_get_data(sky_material, RendererRD::MaterialStorage::SHADER_TYPE_SKY)); + if (!material || !material->shader_data->valid) { + material = nullptr; + } + } + + if (!material) { + sky_material = sky_shader.default_material; + material = static_cast<SkyMaterialData *>(material_storage->material_get_data(sky_material, RendererRD::MaterialStorage::SHADER_TYPE_SKY)); + } + + ERR_FAIL_COND(!material); + + SkyShaderData *shader_data = material->shader_data; + + ERR_FAIL_COND(!shader_data); + + bool update_single_frame = sky->mode == RS::SKY_MODE_REALTIME || sky->mode == RS::SKY_MODE_QUALITY; + RS::SkyMode sky_mode = sky->mode; + + if (sky_mode == RS::SKY_MODE_AUTOMATIC) { + if (shader_data->uses_time || shader_data->uses_position) { + update_single_frame = true; + sky_mode = RS::SKY_MODE_REALTIME; + } else if (shader_data->uses_light || shader_data->ubo_size > 0) { + update_single_frame = false; + sky_mode = RS::SKY_MODE_INCREMENTAL; + } else { + update_single_frame = true; + sky_mode = RS::SKY_MODE_QUALITY; + } + } + + if (sky->processing_layer == 0 && sky_mode == RS::SKY_MODE_INCREMENTAL) { + // On the first frame after creating sky, rebuild in single frame + update_single_frame = true; + sky_mode = RS::SKY_MODE_QUALITY; + } + + int max_processing_layer = sky_use_cubemap_array ? sky->reflection.layers.size() : sky->reflection.layers[0].mipmaps.size(); + + // Update radiance cubemap + if (sky->reflection.dirty && (sky->processing_layer >= max_processing_layer || update_single_frame)) { + static const Vector3 view_normals[6] = { + Vector3(+1, 0, 0), + Vector3(-1, 0, 0), + Vector3(0, +1, 0), + Vector3(0, -1, 0), + Vector3(0, 0, +1), + Vector3(0, 0, -1) + }; + static const Vector3 view_up[6] = { + Vector3(0, -1, 0), + Vector3(0, -1, 0), + Vector3(0, 0, +1), + Vector3(0, 0, -1), + Vector3(0, -1, 0), + Vector3(0, -1, 0) + }; + + Projection cm; + cm.set_perspective(90, 1, 0.01, 10.0); + Projection correction; + correction.set_depth_correction(true); + cm = correction * cm; + + if (shader_data->uses_quarter_res) { + RD::get_singleton()->draw_command_begin_label("Render Sky to Quarter Res Cubemap"); + PipelineCacheRD *pipeline = &shader_data->pipelines[SKY_VERSION_CUBEMAP_QUARTER_RES]; + + Vector<Color> clear_colors; + clear_colors.push_back(Color(0.0, 0.0, 0.0)); + RD::DrawListID cubemap_draw_list; + + for (int i = 0; i < 6; i++) { + Basis local_view = Basis::looking_at(view_normals[i], view_up[i]); + RID texture_uniform_set = sky->get_textures(SKY_TEXTURE_SET_CUBEMAP_QUARTER_RES, sky_shader.default_shader_rd); + + cubemap_draw_list = RD::get_singleton()->draw_list_begin(sky->reflection.layers[0].mipmaps[2].framebuffers[i], RD::INITIAL_ACTION_KEEP, RD::FINAL_ACTION_READ, RD::INITIAL_ACTION_KEEP, RD::FINAL_ACTION_DISCARD); + _render_sky(cubemap_draw_list, p_time, sky->reflection.layers[0].mipmaps[2].framebuffers[i], pipeline, material->uniform_set, texture_uniform_set, 1, &cm, local_view, p_transform.origin, p_luminance_multiplier); + RD::get_singleton()->draw_list_end(); + } + RD::get_singleton()->draw_command_end_label(); + } + + if (shader_data->uses_half_res) { + RD::get_singleton()->draw_command_begin_label("Render Sky to Half Res Cubemap"); + PipelineCacheRD *pipeline = &shader_data->pipelines[SKY_VERSION_CUBEMAP_HALF_RES]; + + Vector<Color> clear_colors; + clear_colors.push_back(Color(0.0, 0.0, 0.0)); + RD::DrawListID cubemap_draw_list; + + for (int i = 0; i < 6; i++) { + Basis local_view = Basis::looking_at(view_normals[i], view_up[i]); + RID texture_uniform_set = sky->get_textures(SKY_TEXTURE_SET_CUBEMAP_HALF_RES, sky_shader.default_shader_rd); + + cubemap_draw_list = RD::get_singleton()->draw_list_begin(sky->reflection.layers[0].mipmaps[1].framebuffers[i], RD::INITIAL_ACTION_KEEP, RD::FINAL_ACTION_READ, RD::INITIAL_ACTION_KEEP, RD::FINAL_ACTION_DISCARD); + _render_sky(cubemap_draw_list, p_time, sky->reflection.layers[0].mipmaps[1].framebuffers[i], pipeline, material->uniform_set, texture_uniform_set, 1, &cm, local_view, p_transform.origin, p_luminance_multiplier); + RD::get_singleton()->draw_list_end(); + } + RD::get_singleton()->draw_command_end_label(); + } + + RD::DrawListID cubemap_draw_list; + PipelineCacheRD *pipeline = &shader_data->pipelines[SKY_VERSION_CUBEMAP]; + + RD::get_singleton()->draw_command_begin_label("Render Sky Cubemap"); + for (int i = 0; i < 6; i++) { + Basis local_view = Basis::looking_at(view_normals[i], view_up[i]); + RID texture_uniform_set = sky->get_textures(SKY_TEXTURE_SET_CUBEMAP, sky_shader.default_shader_rd); + + cubemap_draw_list = RD::get_singleton()->draw_list_begin(sky->reflection.layers[0].mipmaps[0].framebuffers[i], RD::INITIAL_ACTION_KEEP, RD::FINAL_ACTION_READ, RD::INITIAL_ACTION_KEEP, RD::FINAL_ACTION_DISCARD); + _render_sky(cubemap_draw_list, p_time, sky->reflection.layers[0].mipmaps[0].framebuffers[i], pipeline, material->uniform_set, texture_uniform_set, 1, &cm, local_view, p_transform.origin, p_luminance_multiplier); + RD::get_singleton()->draw_list_end(); + } + RD::get_singleton()->draw_command_end_label(); + + if (sky_mode == RS::SKY_MODE_REALTIME) { + sky->reflection.create_reflection_fast_filter(sky_use_cubemap_array); + if (sky_use_cubemap_array) { + sky->reflection.update_reflection_mipmaps(0, sky->reflection.layers.size()); + } + } else { + if (update_single_frame) { + for (int i = 1; i < max_processing_layer; i++) { + sky->reflection.create_reflection_importance_sample(sky_use_cubemap_array, 10, i, sky_ggx_samples_quality); + } + if (sky_use_cubemap_array) { + sky->reflection.update_reflection_mipmaps(0, sky->reflection.layers.size()); + } + } else { + if (sky_use_cubemap_array) { + // Multi-Frame so just update the first array level + sky->reflection.update_reflection_mipmaps(0, 1); + } + } + sky->processing_layer = 1; + } + sky->baked_exposure = p_luminance_multiplier; + sky->reflection.dirty = false; + + } else { + if (sky_mode == RS::SKY_MODE_INCREMENTAL && sky->processing_layer < max_processing_layer) { + sky->reflection.create_reflection_importance_sample(sky_use_cubemap_array, 10, sky->processing_layer, sky_ggx_samples_quality); + + if (sky_use_cubemap_array) { + sky->reflection.update_reflection_mipmaps(sky->processing_layer, sky->processing_layer + 1); + } + + sky->processing_layer++; + } + } +} + +void SkyRD::draw(RID p_env, bool p_can_continue_color, bool p_can_continue_depth, RID p_fb, uint32_t p_view_count, const Projection *p_projections, const Transform3D &p_transform, double p_time, float p_luminance_multiplier) { + RendererRD::MaterialStorage *material_storage = RendererRD::MaterialStorage::get_singleton(); + ERR_FAIL_COND(p_env.is_null()); + + ERR_FAIL_COND(p_view_count == 0); + ERR_FAIL_COND(p_view_count > RendererSceneRender::MAX_RENDER_VIEWS); + + Sky *sky = get_sky(RendererSceneRenderRD::get_singleton()->environment_get_sky(p_env)); + + SkyMaterialData *material = nullptr; + RID sky_material; + + RS::EnvironmentBG background = RendererSceneRenderRD::get_singleton()->environment_get_background(p_env); + + if (!(background == RS::ENV_BG_CLEAR_COLOR || background == RS::ENV_BG_COLOR) || sky) { + ERR_FAIL_COND(!sky); + sky_material = sky_get_material(RendererSceneRenderRD::get_singleton()->environment_get_sky(p_env)); + + if (sky_material.is_valid()) { + material = static_cast<SkyMaterialData *>(material_storage->material_get_data(sky_material, RendererRD::MaterialStorage::SHADER_TYPE_SKY)); + if (!material || !material->shader_data->valid) { + material = nullptr; + } + } + + if (!material) { + sky_material = sky_shader.default_material; + material = static_cast<SkyMaterialData *>(material_storage->material_get_data(sky_material, RendererRD::MaterialStorage::SHADER_TYPE_SKY)); + } + } + + if (background == RS::ENV_BG_CLEAR_COLOR || background == RS::ENV_BG_COLOR) { + sky_material = sky_scene_state.fog_material; + material = static_cast<SkyMaterialData *>(material_storage->material_get_data(sky_material, RendererRD::MaterialStorage::SHADER_TYPE_SKY)); + } + + ERR_FAIL_COND(!material); + + SkyShaderData *shader_data = material->shader_data; + + ERR_FAIL_COND(!shader_data); + + Basis sky_transform = RendererSceneRenderRD::get_singleton()->environment_get_sky_orientation(p_env); + sky_transform.invert(); + + float custom_fov = RendererSceneRenderRD::get_singleton()->environment_get_sky_custom_fov(p_env); + + // Camera + Projection camera; + uint32_t view_count = p_view_count; + const Projection *projections = p_projections; + + if (custom_fov) { + // With custom fov we don't support stereo... + float near_plane = p_projections[0].get_z_near(); + float far_plane = p_projections[0].get_z_far(); + float aspect = p_projections[0].get_aspect(); + + camera.set_perspective(custom_fov, aspect, near_plane, far_plane); + + view_count = 1; + projections = &camera; + } + + sky_transform = sky_transform * p_transform.basis; + + if (shader_data->uses_quarter_res) { + PipelineCacheRD *pipeline = &shader_data->pipelines[view_count > 1 ? SKY_VERSION_QUARTER_RES_MULTIVIEW : SKY_VERSION_QUARTER_RES]; + + RID texture_uniform_set = sky->get_textures(SKY_TEXTURE_SET_QUARTER_RES, sky_shader.default_shader_rd); + + Vector<Color> clear_colors; + clear_colors.push_back(Color(0.0, 0.0, 0.0)); + + RD::DrawListID draw_list = RD::get_singleton()->draw_list_begin(sky->quarter_res_framebuffer, RD::INITIAL_ACTION_CLEAR, RD::FINAL_ACTION_READ, RD::INITIAL_ACTION_CLEAR, RD::FINAL_ACTION_DISCARD, clear_colors); + _render_sky(draw_list, p_time, sky->quarter_res_framebuffer, pipeline, material->uniform_set, texture_uniform_set, view_count, projections, sky_transform, p_transform.origin, p_luminance_multiplier); + RD::get_singleton()->draw_list_end(); + } + + if (shader_data->uses_half_res) { + PipelineCacheRD *pipeline = &shader_data->pipelines[view_count > 1 ? SKY_VERSION_HALF_RES_MULTIVIEW : SKY_VERSION_HALF_RES]; + + RID texture_uniform_set = sky->get_textures(SKY_TEXTURE_SET_HALF_RES, sky_shader.default_shader_rd); + + Vector<Color> clear_colors; + clear_colors.push_back(Color(0.0, 0.0, 0.0)); + + RD::DrawListID draw_list = RD::get_singleton()->draw_list_begin(sky->half_res_framebuffer, RD::INITIAL_ACTION_CLEAR, RD::FINAL_ACTION_READ, RD::INITIAL_ACTION_CLEAR, RD::FINAL_ACTION_DISCARD, clear_colors); + _render_sky(draw_list, p_time, sky->half_res_framebuffer, pipeline, material->uniform_set, texture_uniform_set, view_count, projections, sky_transform, p_transform.origin, p_luminance_multiplier); + RD::get_singleton()->draw_list_end(); + } + + PipelineCacheRD *pipeline = &shader_data->pipelines[view_count > 1 ? SKY_VERSION_BACKGROUND_MULTIVIEW : SKY_VERSION_BACKGROUND]; + + RID texture_uniform_set; + if (sky) { + texture_uniform_set = sky->get_textures(SKY_TEXTURE_SET_BACKGROUND, sky_shader.default_shader_rd); + } else { + texture_uniform_set = sky_scene_state.fog_only_texture_uniform_set; + } + + RD::DrawListID draw_list = RD::get_singleton()->draw_list_begin(p_fb, RD::INITIAL_ACTION_CONTINUE, p_can_continue_color ? RD::FINAL_ACTION_CONTINUE : RD::FINAL_ACTION_READ, RD::INITIAL_ACTION_CONTINUE, p_can_continue_depth ? RD::FINAL_ACTION_CONTINUE : RD::FINAL_ACTION_READ); + _render_sky(draw_list, p_time, p_fb, pipeline, material->uniform_set, texture_uniform_set, view_count, projections, sky_transform, p_transform.origin, p_luminance_multiplier); + RD::get_singleton()->draw_list_end(); +} + +void SkyRD::update_res_buffers(RID p_env, uint32_t p_view_count, const Projection *p_projections, const Transform3D &p_transform, double p_time, float p_luminance_multiplier) { + RendererRD::MaterialStorage *material_storage = RendererRD::MaterialStorage::get_singleton(); + ERR_FAIL_COND(p_env.is_null()); + + ERR_FAIL_COND(p_view_count == 0); + ERR_FAIL_COND(p_view_count > RendererSceneRender::MAX_RENDER_VIEWS); + + Sky *sky = get_sky(RendererSceneRenderRD::get_singleton()->environment_get_sky(p_env)); + ERR_FAIL_COND(!sky); + + SkyMaterialData *material = nullptr; + RID sky_material; + + sky_material = sky_get_material(RendererSceneRenderRD::get_singleton()->environment_get_sky(p_env)); + + if (sky_material.is_valid()) { + material = static_cast<SkyMaterialData *>(material_storage->material_get_data(sky_material, RendererRD::MaterialStorage::SHADER_TYPE_SKY)); + if (!material || !material->shader_data->valid) { + material = nullptr; + } + } + + if (!material) { + sky_material = sky_shader.default_material; + material = static_cast<SkyMaterialData *>(material_storage->material_get_data(sky_material, RendererRD::MaterialStorage::SHADER_TYPE_SKY)); + } + + ERR_FAIL_COND(!material); + + SkyShaderData *shader_data = material->shader_data; + + ERR_FAIL_COND(!shader_data); + + Basis sky_transform = RendererSceneRenderRD::get_singleton()->environment_get_sky_orientation(p_env); + sky_transform.invert(); + + float custom_fov = RendererSceneRenderRD::get_singleton()->environment_get_sky_custom_fov(p_env); + + // Camera + Projection camera; + uint32_t view_count = p_view_count; + const Projection *projections = p_projections; + + if (custom_fov) { + // With custom fov we don't support stereo... + float near_plane = p_projections[0].get_z_near(); + float far_plane = p_projections[0].get_z_far(); + float aspect = p_projections[0].get_aspect(); + + camera.set_perspective(custom_fov, aspect, near_plane, far_plane); + + view_count = 1; + projections = &camera; + } + + sky_transform = p_transform.basis * sky_transform; + + if (shader_data->uses_quarter_res) { + PipelineCacheRD *pipeline = &shader_data->pipelines[view_count > 1 ? SKY_VERSION_QUARTER_RES_MULTIVIEW : SKY_VERSION_QUARTER_RES]; + + RID texture_uniform_set = sky->get_textures(SKY_TEXTURE_SET_QUARTER_RES, sky_shader.default_shader_rd); + + Vector<Color> clear_colors; + clear_colors.push_back(Color(0.0, 0.0, 0.0)); + + RD::DrawListID draw_list = RD::get_singleton()->draw_list_begin(sky->quarter_res_framebuffer, RD::INITIAL_ACTION_CLEAR, RD::FINAL_ACTION_READ, RD::INITIAL_ACTION_CLEAR, RD::FINAL_ACTION_DISCARD, clear_colors); + _render_sky(draw_list, p_time, sky->quarter_res_framebuffer, pipeline, material->uniform_set, texture_uniform_set, view_count, projections, sky_transform, p_transform.origin, p_luminance_multiplier); + RD::get_singleton()->draw_list_end(); + } + + if (shader_data->uses_half_res) { + PipelineCacheRD *pipeline = &shader_data->pipelines[view_count > 1 ? SKY_VERSION_HALF_RES_MULTIVIEW : SKY_VERSION_HALF_RES]; + + RID texture_uniform_set = sky->get_textures(SKY_TEXTURE_SET_HALF_RES, sky_shader.default_shader_rd); + + Vector<Color> clear_colors; + clear_colors.push_back(Color(0.0, 0.0, 0.0)); + + RD::DrawListID draw_list = RD::get_singleton()->draw_list_begin(sky->half_res_framebuffer, RD::INITIAL_ACTION_CLEAR, RD::FINAL_ACTION_READ, RD::INITIAL_ACTION_CLEAR, RD::FINAL_ACTION_DISCARD, clear_colors); + _render_sky(draw_list, p_time, sky->half_res_framebuffer, pipeline, material->uniform_set, texture_uniform_set, view_count, projections, sky_transform, p_transform.origin, p_luminance_multiplier); + RD::get_singleton()->draw_list_end(); + } +} + +void SkyRD::draw(RD::DrawListID p_draw_list, RID p_env, RID p_fb, uint32_t p_view_count, const Projection *p_projections, const Transform3D &p_transform, double p_time, float p_luminance_multiplier) { + RendererRD::MaterialStorage *material_storage = RendererRD::MaterialStorage::get_singleton(); + ERR_FAIL_COND(p_env.is_null()); + + ERR_FAIL_COND(p_view_count == 0); + ERR_FAIL_COND(p_view_count > RendererSceneRender::MAX_RENDER_VIEWS); + + Sky *sky = get_sky(RendererSceneRenderRD::get_singleton()->environment_get_sky(p_env)); + + SkyMaterialData *material = nullptr; + RID sky_material; + + RS::EnvironmentBG background = RendererSceneRenderRD::get_singleton()->environment_get_background(p_env); + + if (!(background == RS::ENV_BG_CLEAR_COLOR || background == RS::ENV_BG_COLOR) || sky) { + ERR_FAIL_COND(!sky); + sky_material = sky_get_material(RendererSceneRenderRD::get_singleton()->environment_get_sky(p_env)); + + if (sky_material.is_valid()) { + material = static_cast<SkyMaterialData *>(material_storage->material_get_data(sky_material, RendererRD::MaterialStorage::SHADER_TYPE_SKY)); + if (!material || !material->shader_data->valid) { + material = nullptr; + } + } + + if (!material) { + sky_material = sky_shader.default_material; + material = static_cast<SkyMaterialData *>(material_storage->material_get_data(sky_material, RendererRD::MaterialStorage::SHADER_TYPE_SKY)); + } + } + + if (background == RS::ENV_BG_CLEAR_COLOR || background == RS::ENV_BG_COLOR) { + sky_material = sky_scene_state.fog_material; + material = static_cast<SkyMaterialData *>(material_storage->material_get_data(sky_material, RendererRD::MaterialStorage::SHADER_TYPE_SKY)); + } + + ERR_FAIL_COND(!material); + + SkyShaderData *shader_data = material->shader_data; + + ERR_FAIL_COND(!shader_data); + + Basis sky_transform = RendererSceneRenderRD::get_singleton()->environment_get_sky_orientation(p_env); + sky_transform.invert(); + + float custom_fov = RendererSceneRenderRD::get_singleton()->environment_get_sky_custom_fov(p_env); + + // Camera + Projection camera; + uint32_t view_count = p_view_count; + const Projection *projections = p_projections; + + if (custom_fov) { + // With custom fov we don't support stereo... + float near_plane = p_projections[0].get_z_near(); + float far_plane = p_projections[0].get_z_far(); + float aspect = p_projections[0].get_aspect(); + + camera.set_perspective(custom_fov, aspect, near_plane, far_plane); + + view_count = 1; + projections = &camera; + } + + sky_transform = p_transform.basis * sky_transform; + + PipelineCacheRD *pipeline = &shader_data->pipelines[view_count > 1 ? SKY_VERSION_BACKGROUND_MULTIVIEW : SKY_VERSION_BACKGROUND]; + + RID texture_uniform_set; + if (sky) { + texture_uniform_set = sky->get_textures(SKY_TEXTURE_SET_BACKGROUND, sky_shader.default_shader_rd); + } else { + texture_uniform_set = sky_scene_state.fog_only_texture_uniform_set; + } + + _render_sky(p_draw_list, p_time, p_fb, pipeline, material->uniform_set, texture_uniform_set, view_count, projections, sky_transform, p_transform.origin, p_luminance_multiplier); +} + +void SkyRD::invalidate_sky(Sky *p_sky) { + if (!p_sky->dirty) { + p_sky->dirty = true; + p_sky->dirty_list = dirty_sky_list; + dirty_sky_list = p_sky; + } +} + +void SkyRD::update_dirty_skys() { + Sky *sky = dirty_sky_list; + + while (sky) { + bool texture_set_dirty = false; + //update sky configuration if texture is missing + + if (sky->radiance.is_null()) { + int mipmaps = Image::get_image_required_mipmaps(sky->radiance_size, sky->radiance_size, Image::FORMAT_RGBAH) + 1; + + uint32_t w = sky->radiance_size, h = sky->radiance_size; + int layers = roughness_layers; + if (sky->mode == RS::SKY_MODE_REALTIME) { + layers = 8; + if (roughness_layers != 8) { + WARN_PRINT("When using REALTIME skies, roughness_layers should be set to 8 in the project settings for best quality reflections"); + } + } + + if (sky_use_cubemap_array) { + //array (higher quality, 6 times more memory) + RD::TextureFormat tf; + tf.array_layers = layers * 6; + tf.format = texture_format; + tf.texture_type = RD::TEXTURE_TYPE_CUBE_ARRAY; + tf.mipmaps = mipmaps; + tf.width = w; + tf.height = h; + tf.usage_bits = RD::TEXTURE_USAGE_COLOR_ATTACHMENT_BIT | RD::TEXTURE_USAGE_SAMPLING_BIT | RD::TEXTURE_USAGE_STORAGE_BIT; + + sky->radiance = RD::get_singleton()->texture_create(tf, RD::TextureView()); + + sky->reflection.update_reflection_data(sky->radiance_size, mipmaps, true, sky->radiance, 0, sky->mode == RS::SKY_MODE_REALTIME, roughness_layers, texture_format); + + } else { + //regular cubemap, lower quality (aliasing, less memory) + RD::TextureFormat tf; + tf.array_layers = 6; + tf.format = texture_format; + tf.texture_type = RD::TEXTURE_TYPE_CUBE; + tf.mipmaps = MIN(mipmaps, layers); + tf.width = w; + tf.height = h; + tf.usage_bits = RD::TEXTURE_USAGE_COLOR_ATTACHMENT_BIT | RD::TEXTURE_USAGE_SAMPLING_BIT | RD::TEXTURE_USAGE_STORAGE_BIT; + + sky->radiance = RD::get_singleton()->texture_create(tf, RD::TextureView()); + + sky->reflection.update_reflection_data(sky->radiance_size, MIN(mipmaps, layers), false, sky->radiance, 0, sky->mode == RS::SKY_MODE_REALTIME, roughness_layers, texture_format); + } + texture_set_dirty = true; + } + + // Create subpass buffers if they haven't been created already + if (sky->half_res_pass.is_null() && !RD::get_singleton()->texture_is_valid(sky->half_res_pass) && sky->screen_size.x >= 4 && sky->screen_size.y >= 4) { + RD::TextureFormat tformat; + tformat.format = texture_format; + tformat.width = sky->screen_size.x / 2; + tformat.height = sky->screen_size.y / 2; + tformat.usage_bits = RD::TEXTURE_USAGE_SAMPLING_BIT | RD::TEXTURE_USAGE_COLOR_ATTACHMENT_BIT; + tformat.texture_type = RD::TEXTURE_TYPE_2D; + + sky->half_res_pass = RD::get_singleton()->texture_create(tformat, RD::TextureView()); + Vector<RID> texs; + texs.push_back(sky->half_res_pass); + sky->half_res_framebuffer = RD::get_singleton()->framebuffer_create(texs); + texture_set_dirty = true; + } + + if (sky->quarter_res_pass.is_null() && !RD::get_singleton()->texture_is_valid(sky->quarter_res_pass) && sky->screen_size.x >= 4 && sky->screen_size.y >= 4) { + RD::TextureFormat tformat; + tformat.format = texture_format; + tformat.width = sky->screen_size.x / 4; + tformat.height = sky->screen_size.y / 4; + tformat.usage_bits = RD::TEXTURE_USAGE_SAMPLING_BIT | RD::TEXTURE_USAGE_COLOR_ATTACHMENT_BIT; + tformat.texture_type = RD::TEXTURE_TYPE_2D; + + sky->quarter_res_pass = RD::get_singleton()->texture_create(tformat, RD::TextureView()); + Vector<RID> texs; + texs.push_back(sky->quarter_res_pass); + sky->quarter_res_framebuffer = RD::get_singleton()->framebuffer_create(texs); + texture_set_dirty = true; + } + + if (texture_set_dirty) { + for (int i = 0; i < SKY_TEXTURE_SET_MAX; i++) { + if (sky->texture_uniform_sets[i].is_valid() && RD::get_singleton()->uniform_set_is_valid(sky->texture_uniform_sets[i])) { + RD::get_singleton()->free(sky->texture_uniform_sets[i]); + sky->texture_uniform_sets[i] = RID(); + } + } + } + + sky->reflection.dirty = true; + sky->processing_layer = 0; + + Sky *next = sky->dirty_list; + sky->dirty_list = nullptr; + sky->dirty = false; + sky = next; + } + + dirty_sky_list = nullptr; +} + +RID SkyRD::sky_get_material(RID p_sky) const { + Sky *sky = get_sky(p_sky); + ERR_FAIL_COND_V(!sky, RID()); + + return sky->material; +} + +float SkyRD::sky_get_baked_exposure(RID p_sky) const { + Sky *sky = get_sky(p_sky); + ERR_FAIL_COND_V(!sky, 1.0); + + return sky->baked_exposure; +} + +RID SkyRD::allocate_sky_rid() { + return sky_owner.allocate_rid(); +} + +void SkyRD::initialize_sky_rid(RID p_rid) { + sky_owner.initialize_rid(p_rid, Sky()); +} + +SkyRD::Sky *SkyRD::get_sky(RID p_sky) const { + return sky_owner.get_or_null(p_sky); +} + +void SkyRD::free_sky(RID p_sky) { + Sky *sky = get_sky(p_sky); + ERR_FAIL_COND(!sky); + + sky->free(); + sky_owner.free(p_sky); +} + +void SkyRD::sky_set_radiance_size(RID p_sky, int p_radiance_size) { + Sky *sky = get_sky(p_sky); + ERR_FAIL_COND(!sky); + + if (sky->set_radiance_size(p_radiance_size)) { + invalidate_sky(sky); + } +} + +void SkyRD::sky_set_mode(RID p_sky, RS::SkyMode p_mode) { + Sky *sky = get_sky(p_sky); + ERR_FAIL_COND(!sky); + + if (sky->set_mode(p_mode)) { + invalidate_sky(sky); + } +} + +void SkyRD::sky_set_material(RID p_sky, RID p_material) { + Sky *sky = get_sky(p_sky); + ERR_FAIL_COND(!sky); + + if (sky->set_material(p_material)) { + invalidate_sky(sky); + } +} + +Ref<Image> SkyRD::sky_bake_panorama(RID p_sky, float p_energy, bool p_bake_irradiance, const Size2i &p_size) { + Sky *sky = get_sky(p_sky); + ERR_FAIL_COND_V(!sky, Ref<Image>()); + + update_dirty_skys(); + + return sky->bake_panorama(p_energy, p_bake_irradiance ? roughness_layers : 0, p_size); +} + +RID SkyRD::sky_get_radiance_texture_rd(RID p_sky) const { + Sky *sky = get_sky(p_sky); + ERR_FAIL_COND_V(!sky, RID()); + + return sky->radiance; +} diff --git a/servers/rendering/renderer_rd/environment/sky.h b/servers/rendering/renderer_rd/environment/sky.h new file mode 100644 index 0000000000..45c4f9bda7 --- /dev/null +++ b/servers/rendering/renderer_rd/environment/sky.h @@ -0,0 +1,328 @@ +/*************************************************************************/ +/* sky.h */ +/*************************************************************************/ +/* This file is part of: */ +/* GODOT ENGINE */ +/* https://godotengine.org */ +/*************************************************************************/ +/* Copyright (c) 2007-2022 Juan Linietsky, Ariel Manzur. */ +/* Copyright (c) 2014-2022 Godot Engine contributors (cf. AUTHORS.md). */ +/* */ +/* Permission is hereby granted, free of charge, to any person obtaining */ +/* a copy of this software and associated documentation files (the */ +/* "Software"), to deal in the Software without restriction, including */ +/* without limitation the rights to use, copy, modify, merge, publish, */ +/* distribute, sublicense, and/or sell copies of the Software, and to */ +/* permit persons to whom the Software is furnished to do so, subject to */ +/* the following conditions: */ +/* */ +/* The above copyright notice and this permission notice shall be */ +/* included in all copies or substantial portions of the Software. */ +/* */ +/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */ +/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */ +/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/ +/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */ +/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */ +/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */ +/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ +/*************************************************************************/ + +#ifndef SKY_RD_H +#define SKY_RD_H + +#include "core/templates/rid_owner.h" +#include "servers/rendering/renderer_compositor.h" +#include "servers/rendering/renderer_rd/pipeline_cache_rd.h" +#include "servers/rendering/renderer_rd/shaders/environment/sky.glsl.gen.h" +#include "servers/rendering/renderer_rd/storage_rd/material_storage.h" +#include "servers/rendering/renderer_scene_render.h" +#include "servers/rendering/rendering_device.h" +#include "servers/rendering/shader_compiler.h" + +// Forward declare RendererSceneRenderRD so we can pass it into some of our methods, these classes are pretty tightly bound +class RendererSceneRenderRD; +class RenderSceneBuffersRD; + +namespace RendererRD { + +class SkyRD { +public: + enum SkySet { + SKY_SET_UNIFORMS, + SKY_SET_MATERIAL, + SKY_SET_TEXTURES, + SKY_SET_FOG, + SKY_SET_MAX + }; + + // Skys need less info from Directional Lights than the normal shaders + struct SkyDirectionalLightData { + float direction[3]; + float energy; + float color[3]; + float size; + uint32_t enabled; + uint32_t pad[3]; + }; + +private: + RD::DataFormat texture_format = RD::DATA_FORMAT_R16G16B16A16_SFLOAT; + + RID index_buffer; + RID index_array; + + enum SkyTextureSetVersion { + SKY_TEXTURE_SET_BACKGROUND, + SKY_TEXTURE_SET_HALF_RES, + SKY_TEXTURE_SET_QUARTER_RES, + SKY_TEXTURE_SET_CUBEMAP, + SKY_TEXTURE_SET_CUBEMAP_HALF_RES, + SKY_TEXTURE_SET_CUBEMAP_QUARTER_RES, + SKY_TEXTURE_SET_MAX + }; + + enum SkyVersion { + SKY_VERSION_BACKGROUND, + SKY_VERSION_HALF_RES, + SKY_VERSION_QUARTER_RES, + SKY_VERSION_CUBEMAP, + SKY_VERSION_CUBEMAP_HALF_RES, + SKY_VERSION_CUBEMAP_QUARTER_RES, + + SKY_VERSION_BACKGROUND_MULTIVIEW, + SKY_VERSION_HALF_RES_MULTIVIEW, + SKY_VERSION_QUARTER_RES_MULTIVIEW, + + SKY_VERSION_MAX + }; + + struct SkyPushConstant { + float orientation[12]; // 48 - 48 + float projections[RendererSceneRender::MAX_RENDER_VIEWS][4]; // 2 x 16 - 80 + float position[3]; // 12 - 92 + float time; // 4 - 96 + float pad[3]; // 12 - 108 + float luminance_multiplier; // 4 - 112 + // 128 is the max size of a push constant. We can replace "pad" but we can't add any more. + }; + + struct SkyShaderData : public RendererRD::MaterialStorage::ShaderData { + bool valid = false; + RID version; + + PipelineCacheRD pipelines[SKY_VERSION_MAX]; + HashMap<StringName, ShaderLanguage::ShaderNode::Uniform> uniforms; + Vector<ShaderCompiler::GeneratedCode::Texture> texture_uniforms; + + Vector<uint32_t> ubo_offsets; + uint32_t ubo_size = 0; + + String path; + String code; + HashMap<StringName, HashMap<int, RID>> default_texture_params; + + bool uses_time = false; + bool uses_position = false; + bool uses_half_res = false; + bool uses_quarter_res = false; + bool uses_light = false; + + virtual void set_code(const String &p_Code); + virtual void set_path_hint(const String &p_hint); + virtual void set_default_texture_parameter(const StringName &p_name, RID p_texture, int p_index); + virtual void get_shader_uniform_list(List<PropertyInfo> *p_param_list) const; + virtual void get_instance_param_list(List<RendererMaterialStorage::InstanceShaderParam> *p_param_list) const; + virtual bool is_parameter_texture(const StringName &p_param) const; + virtual bool is_animated() const; + virtual bool casts_shadows() const; + virtual Variant get_default_parameter(const StringName &p_parameter) const; + virtual RS::ShaderNativeSourceCode get_native_source_code() const; + + SkyShaderData() {} + virtual ~SkyShaderData(); + }; + + void _render_sky(RD::DrawListID p_list, float p_time, RID p_fb, PipelineCacheRD *p_pipeline, RID p_uniform_set, RID p_texture_set, uint32_t p_view_count, const Projection *p_projections, const Basis &p_orientation, const Vector3 &p_position, float p_luminance_multiplier); + +public: + struct SkySceneState { + struct UBO { + uint32_t volumetric_fog_enabled; // 4 - 4 + float volumetric_fog_inv_length; // 4 - 8 + float volumetric_fog_detail_spread; // 4 - 12 + float volumetric_fog_sky_affect; // 4 - 16 + + uint32_t fog_enabled; // 4 - 20 + float fog_sky_affect; // 4 - 24 + float fog_density; // 4 - 28 + float fog_sun_scatter; // 4 - 32 + + float fog_light_color[3]; // 12 - 44 + float fog_aerial_perspective; // 4 - 48 + + float z_far; // 4 - 52 + uint32_t directional_light_count; // 4 - 56 + uint32_t pad1; // 4 - 60 + uint32_t pad2; // 4 - 64 + }; + + UBO ubo; + + SkyDirectionalLightData *directional_lights = nullptr; + SkyDirectionalLightData *last_frame_directional_lights = nullptr; + uint32_t max_directional_lights; + uint32_t last_frame_directional_light_count; + RID directional_light_buffer; + RID uniform_set; + RID uniform_buffer; + RID fog_uniform_set; + RID default_fog_uniform_set; + + RID fog_shader; + RID fog_material; + RID fog_only_texture_uniform_set; + } sky_scene_state; + + struct ReflectionData { + struct Layer { + struct Mipmap { + RID framebuffers[6]; + RID views[6]; + Size2i size; + }; + Vector<Mipmap> mipmaps; //per-face view + Vector<RID> views; // per-cubemap view + }; + + struct DownsampleLayer { + struct Mipmap { + RID view; + Size2i size; + + // for mobile only + RID views[6]; + RID framebuffers[6]; + }; + Vector<Mipmap> mipmaps; + }; + + RID radiance_base_cubemap; //cubemap for first layer, first cubemap + RID downsampled_radiance_cubemap; + DownsampleLayer downsampled_layer; + RID coefficient_buffer; + + bool dirty = true; + + Vector<Layer> layers; + + void clear_reflection_data(); + void update_reflection_data(int p_size, int p_mipmaps, bool p_use_array, RID p_base_cube, int p_base_layer, bool p_low_quality, int p_roughness_layers, RD::DataFormat p_texture_format); + void create_reflection_fast_filter(bool p_use_arrays); + void create_reflection_importance_sample(bool p_use_arrays, int p_cube_side, int p_base_layer, uint32_t p_sky_ggx_samples_quality); + void update_reflection_mipmaps(int p_start, int p_end); + }; + + /* Sky shader */ + + struct SkyShader { + SkyShaderRD shader; + ShaderCompiler compiler; + + RID default_shader; + RID default_material; + RID default_shader_rd; + } sky_shader; + + struct SkyMaterialData : public RendererRD::MaterialStorage::MaterialData { + SkyShaderData *shader_data = nullptr; + RID uniform_set; + bool uniform_set_updated; + + virtual void set_render_priority(int p_priority) {} + virtual void set_next_pass(RID p_pass) {} + virtual bool update_parameters(const HashMap<StringName, Variant> &p_parameters, bool p_uniform_dirty, bool p_textures_dirty); + virtual ~SkyMaterialData(); + }; + + struct Sky { + RID radiance; + RID half_res_pass; + RID half_res_framebuffer; + RID quarter_res_pass; + RID quarter_res_framebuffer; + Size2i screen_size; + + RID texture_uniform_sets[SKY_TEXTURE_SET_MAX]; + RID uniform_set; + + RID material; + RID uniform_buffer; + + int radiance_size = 256; + + RS::SkyMode mode = RS::SKY_MODE_AUTOMATIC; + + ReflectionData reflection; + bool dirty = false; + int processing_layer = 0; + Sky *dirty_list = nullptr; + float baked_exposure = 1.0; + + //State to track when radiance cubemap needs updating + SkyMaterialData *prev_material = nullptr; + Vector3 prev_position; + float prev_time; + + void free(); + + RID get_textures(SkyTextureSetVersion p_version, RID p_default_shader_rd); + bool set_radiance_size(int p_radiance_size); + bool set_mode(RS::SkyMode p_mode); + bool set_material(RID p_material); + Ref<Image> bake_panorama(float p_energy, int p_roughness_layers, const Size2i &p_size); + }; + + uint32_t sky_ggx_samples_quality; + bool sky_use_cubemap_array; + Sky *dirty_sky_list = nullptr; + mutable RID_Owner<Sky, true> sky_owner; + int roughness_layers; + + RendererRD::MaterialStorage::ShaderData *_create_sky_shader_func(); + static RendererRD::MaterialStorage::ShaderData *_create_sky_shader_funcs(); + + RendererRD::MaterialStorage::MaterialData *_create_sky_material_func(SkyShaderData *p_shader); + static RendererRD::MaterialStorage::MaterialData *_create_sky_material_funcs(RendererRD::MaterialStorage::ShaderData *p_shader); + + SkyRD(); + void init(); + void set_texture_format(RD::DataFormat p_texture_format); + ~SkyRD(); + + void setup(RID p_env, Ref<RenderSceneBuffersRD> p_render_buffers, const PagedArray<RID> &p_lights, RID p_camera_attributes, const Projection &p_projection, const Transform3D &p_transform, const Size2i p_screen_size, RendererSceneRenderRD *p_scene_render); + void update(RID p_env, const Projection &p_projection, const Transform3D &p_transform, double p_time, float p_luminance_multiplier = 1.0); + void draw(RID p_env, bool p_can_continue_color, bool p_can_continue_depth, RID p_fb, uint32_t p_view_count, const Projection *p_projections, const Transform3D &p_transform, double p_time, float p_luminance_multiplier = 1.0); // only called by clustered renderer + void update_res_buffers(RID p_env, uint32_t p_view_count, const Projection *p_projections, const Transform3D &p_transform, double p_time, float p_luminance_multiplier = 1.0); + void draw(RD::DrawListID p_draw_list, RID p_env, RID p_fb, uint32_t p_view_count, const Projection *p_projections, const Transform3D &p_transform, double p_time, float p_luminance_multiplier = 1.0); + + void invalidate_sky(Sky *p_sky); + void update_dirty_skys(); + + RID sky_get_material(RID p_sky) const; + RID sky_get_radiance_texture_rd(RID p_sky) const; + float sky_get_baked_exposure(RID p_sky) const; + + RID allocate_sky_rid(); + void initialize_sky_rid(RID p_rid); + Sky *get_sky(RID p_sky) const; + void free_sky(RID p_sky); + void sky_set_radiance_size(RID p_sky, int p_radiance_size); + void sky_set_mode(RID p_sky, RS::SkyMode p_mode); + void sky_set_material(RID p_sky, RID p_material); + Ref<Image> sky_bake_panorama(RID p_sky, float p_energy, bool p_bake_irradiance, const Size2i &p_size); +}; + +} // namespace RendererRD + +#endif // SKY_RD_H |