diff options
Diffstat (limited to 'servers/rendering/renderer_rd/environment')
| -rw-r--r-- | servers/rendering/renderer_rd/environment/fog.cpp | 1061 | ||||
| -rw-r--r-- | servers/rendering/renderer_rd/environment/fog.h | 246 | ||||
| -rw-r--r-- | servers/rendering/renderer_rd/environment/gi.cpp | 4 | ||||
| -rw-r--r-- | servers/rendering/renderer_rd/environment/gi.h | 6 | ||||
| -rw-r--r-- | servers/rendering/renderer_rd/environment/sky.cpp | 1926 | ||||
| -rw-r--r-- | servers/rendering/renderer_rd/environment/sky.h | 325 |
6 files changed, 3563 insertions, 5 deletions
diff --git a/servers/rendering/renderer_rd/environment/fog.cpp b/servers/rendering/renderer_rd/environment/fog.cpp index 2a6c96480e..63c227e89b 100644 --- a/servers/rendering/renderer_rd/environment/fog.cpp +++ b/servers/rendering/renderer_rd/environment/fog.cpp @@ -30,6 +30,11 @@ #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; @@ -126,3 +131,1059 @@ Vector3 Fog::fog_volume_get_extents(RID p_fog_volume) const { 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); +} + +Fog::FogMaterialData::~FogMaterialData() { + free_parameters_uniform_set(uniform_set); +} + +RendererRD::ShaderData *Fog::_create_fog_shader_func() { + FogShaderData *shader_data = memnew(FogShaderData); + return shader_data; +} + +RendererRD::ShaderData *Fog::_create_fog_shader_funcs() { + return Fog::get_singleton()->_create_fog_shader_func(); +}; + +RendererRD::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::MaterialData *Fog::_create_fog_material_funcs(RendererRD::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::SHADER_TYPE_FOG, _create_fog_shader_funcs); + material_storage->material_set_data_request_function(RendererRD::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::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_variables_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_param(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_param_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; + } + } + + for (const KeyValue<int, StringName> &E : order) { + 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_param_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 + +Fog::VolumetricFog::VolumetricFog(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(OSX_ENABLED) || defined(IPHONE_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"); + + 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 = p_settings.env->volumetric_fog_length; + + 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] = p_settings.vfog->width; + params.fog_volume_size[1] = p_settings.vfog->height; + params.fog_volume_size[2] = p_settings.vfog->depth; + + params.use_temporal_reprojection = p_settings.env->volumetric_fog_temporal_reprojection; + params.temporal_frame = RSG::rasterizer->get_frame_number() % VolumetricFog::MAX_TEMPORAL_FRAMES; + params.detail_spread = p_settings.env->volumetric_fog_detail_spread; + params.temporal_blend = p_settings.env->volumetric_fog_temporal_reprojection_amount; + + 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 (p_settings.vfog->fog_uniform_set.is_null() || !RD::get_singleton()->uniform_set_is_valid(p_settings.vfog->fog_uniform_set)) { + Vector<RD::Uniform> uniforms; + + { + RD::Uniform u; +#if defined(OSX_ENABLED) || defined(IPHONE_ENABLED) + u.uniform_type = RD::UNIFORM_TYPE_STORAGE_BUFFER; +#else + u.uniform_type = RD::UNIFORM_TYPE_IMAGE; +#endif + u.binding = 1; + u.append_id(p_settings.vfog->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(OSX_ENABLED) || defined(IPHONE_ENABLED) + u.uniform_type = RD::UNIFORM_TYPE_STORAGE_BUFFER; +#else + u.uniform_type = RD::UNIFORM_TYPE_IMAGE; +#endif + u.binding = 3; + u.append_id(p_settings.vfog->density_map); + uniforms.push_back(u); + } + + { + RD::Uniform u; +#if defined(OSX_ENABLED) || defined(IPHONE_ENABLED) + u.uniform_type = RD::UNIFORM_TYPE_STORAGE_BUFFER; +#else + u.uniform_type = RD::UNIFORM_TYPE_IMAGE; +#endif + u.binding = 4; + u.append_id(p_settings.vfog->light_map); + uniforms.push_back(u); + } + + p_settings.vfog->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::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::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(p_settings.vfog->width, p_settings.vfog->height, p_settings.vfog->depth); + 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, p_settings.env->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, p_settings.env->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, p_settings.env->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, p_settings.env->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, p_settings.env->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, p_settings.env->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, p_settings.env->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, p_settings.env->volumetric_fog_detail_spread, fog_size, p_cam_transform); + + min = Vector3i(int32_t(p_settings.vfog->width) - 1, int32_t(p_settings.vfog->height) - 1, int32_t(p_settings.vfog->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(p_settings.vfog->width, p_settings.vfog->height, p_settings.vfog->depth); + min = Vector3i(0, 0, 0); + kernel_size = Vector3i(int32_t(p_settings.vfog->width), int32_t(p_settings.vfog->height), int32_t(p_settings.vfog->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, p_settings.vfog->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 || p_settings.env->volumetric_fog_temporal_reprojection) { + RenderingServerDefault::redraw_request(); + } + + RD::get_singleton()->draw_command_end_label(); + + RD::get_singleton()->compute_list_end(); + } + + if (p_settings.vfog->process_uniform_set_density.is_null() || !RD::get_singleton()->uniform_set_is_valid(p_settings.vfog->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::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::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(p_settings.vfog->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(p_settings.vfog->fog_map); + uniforms.push_back(u); + } + + { + RD::Uniform u; + u.uniform_type = RD::UNIFORM_TYPE_IMAGE; + u.binding = 9; + u.append_id(p_settings.vfog->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_gl_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(p_settings.vfog->prev_light_density_map); + uniforms.push_back(u); + } + { + RD::Uniform u; +#if defined(OSX_ENABLED) || defined(IPHONE_ENABLED) + u.uniform_type = RD::UNIFORM_TYPE_STORAGE_BUFFER; +#else + u.uniform_type = RD::UNIFORM_TYPE_IMAGE; +#endif + u.binding = 16; + u.append_id(p_settings.vfog->density_map); + uniforms.push_back(u); + } + { + RD::Uniform u; +#if defined(OSX_ENABLED) || defined(IPHONE_ENABLED) + u.uniform_type = RD::UNIFORM_TYPE_STORAGE_BUFFER; +#else + u.uniform_type = RD::UNIFORM_TYPE_IMAGE; +#endif + u.binding = 17; + u.append_id(p_settings.vfog->light_map); + uniforms.push_back(u); + } + + { + RD::Uniform u; +#if defined(OSX_ENABLED) || defined(IPHONE_ENABLED) + u.uniform_type = RD::UNIFORM_TYPE_STORAGE_BUFFER; +#else + u.uniform_type = RD::UNIFORM_TYPE_IMAGE; +#endif + u.binding = 18; + u.append_id(p_settings.vfog->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::DEFAULT_RD_TEXTURE_CUBEMAP_ARRAY_BLACK : RendererRD::DEFAULT_RD_TEXTURE_CUBEMAP_BLACK); + RID sky_texture = p_settings.env->sky.is_valid() ? p_settings.sky->sky_get_radiance_texture_rd(p_settings.env->sky) : RID(); + u.append_id(sky_texture.is_valid() ? sky_texture : radiance_texture); + uniforms.push_back(u); + } + + p_settings.vfog->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); + + p_settings.vfog->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); + + p_settings.vfog->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); + p_settings.vfog->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 = p_settings.env->volumetric_fog_gi_inject > 0.0001 && p_settings.env->sdfgi_enabled && (p_settings.sdfgi != nullptr); + + if (using_sdfgi) { + if (p_settings.vfog->sdfgi_uniform_set.is_null() || !RD::get_singleton()->uniform_set_is_valid(p_settings.vfog->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); + } + + p_settings.vfog->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); + } + } + + p_settings.vfog->length = p_settings.env->volumetric_fog_length; + p_settings.vfog->spread = p_settings.env->volumetric_fog_detail_spread; + + 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 = p_settings.env->volumetric_fog_length; + + 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 = p_settings.env->volumetric_fog_ambient_inject * p_settings.env->ambient_light_energy; + params.z_far = z_far; + + params.fog_frustum_end = fog_end; + + Color ambient_color = p_settings.env->ambient_light.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 = p_settings.env->ambient_sky_contribution; + + params.fog_volume_size[0] = p_settings.vfog->width; + params.fog_volume_size[1] = p_settings.vfog->height; + params.fog_volume_size[2] = p_settings.vfog->depth; + + params.directional_light_count = p_directional_light_count; + + Color emission = p_settings.env->volumetric_fog_emission.srgb_to_linear(); + params.base_emission[0] = emission.r * p_settings.env->volumetric_fog_emission_energy; + params.base_emission[1] = emission.g * p_settings.env->volumetric_fog_emission_energy; + params.base_emission[2] = emission.b * p_settings.env->volumetric_fog_emission_energy; + params.base_density = p_settings.env->volumetric_fog_density; + + Color base_scattering = p_settings.env->volumetric_fog_scattering.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 = p_settings.env->volumetric_fog_anisotropy; + + params.detail_spread = p_settings.env->volumetric_fog_detail_spread; + params.gi_inject = p_settings.env->volumetric_fog_gi_inject; + + 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 = p_settings.env->volumetric_fog_gi_inject > 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 = p_settings.env->volumetric_fog_temporal_reprojection; + params.temporal_blend = p_settings.env->volumetric_fog_temporal_reprojection_amount; + + { + 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 = p_settings.env->sky_orientation; + 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, p_settings.vfog->process_uniform_set_density, 0); + + if (using_sdfgi) { + RD::get_singleton()->compute_list_bind_uniform_set(compute_list, p_settings.vfog->sdfgi_uniform_set, 1); + } + RD::get_singleton()->compute_list_dispatch_threads(compute_list, p_settings.vfog->width, p_settings.vfog->height, p_settings.vfog->depth); + RD::get_singleton()->compute_list_add_barrier(compute_list); + + // Copy fog to history buffer + if (p_settings.env->volumetric_fog_temporal_reprojection) { + 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, p_settings.vfog->copy_uniform_set, 0); + RD::get_singleton()->compute_list_dispatch_threads(compute_list, p_settings.vfog->width, p_settings.vfog->height, p_settings.vfog->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, p_settings.vfog->process_uniform_set, 0); + RD::get_singleton()->compute_list_dispatch_threads(compute_list, p_settings.vfog->width, p_settings.vfog->height, p_settings.vfog->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, p_settings.vfog->process_uniform_set2, 0); + RD::get_singleton()->compute_list_dispatch_threads(compute_list, p_settings.vfog->width, p_settings.vfog->height, p_settings.vfog->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, p_settings.vfog->process_uniform_set, 0); + RD::get_singleton()->compute_list_dispatch_threads(compute_list, p_settings.vfog->width, p_settings.vfog->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 index 24a3fa798c..61a5d80d20 100644 --- a/servers/rendering/renderer_rd/environment/fog.h +++ b/servers/rendering/renderer_rd/environment/fog.h @@ -34,12 +34,19 @@ #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/renderer_scene_environment_rd.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/storage/utilities.h" namespace RendererRD { class Fog : public RendererFog { public: + /* FOG VOLUMES */ + struct FogVolume { RID material; Vector3 extents = Vector3(1, 1, 1); @@ -49,10 +56,179 @@ public: Dependency dependency; }; + struct FogVolumeInstance { + RID volume; + Transform3D transform; + bool active = false; + }; + private: static Fog *singleton; mutable RID_Owner<FogVolume, true> fog_volume_owner; + 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::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_param(const StringName &p_name, RID p_texture, int p_index); + virtual void get_param_list(List<PropertyInfo> *p_param_list) const; + virtual void get_instance_param_list(List<RendererMaterialStorage::InstanceShaderParam> *p_param_list) const; + virtual bool is_param_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::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::ShaderData *_create_fog_shader_func(); + static RendererRD::ShaderData *_create_fog_shader_funcs(); + + RendererRD::MaterialData *_create_fog_material_func(FogShaderData *p_shader); + static RendererRD::MaterialData *_create_fog_material_funcs(RendererRD::ShaderData *p_shader); public: static Fog *get_singleton() { return singleton; } @@ -76,6 +252,76 @@ public: 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 */ + + FogVolumeInstance *get_fog_volume_instance(RID p_rid) { return fog_volume_instance_owner.get_or_null(p_rid); }; + 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); + + /* Volumetric FOG */ + struct VolumetricFog { + 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; + + VolumetricFog(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_gl_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 + VolumetricFog *vfog; + ClusterBuilderRD *cluster_builder; + GI *gi; + GI::SDFGI *sdfgi; + GI::RenderBuffersGI *rbgi; + RendererSceneEnvironmentRD *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 diff --git a/servers/rendering/renderer_rd/environment/gi.cpp b/servers/rendering/renderer_rd/environment/gi.cpp index c37284f72a..cb3de07c31 100644 --- a/servers/rendering/renderer_rd/environment/gi.cpp +++ b/servers/rendering/renderer_rd/environment/gi.cpp @@ -1268,7 +1268,7 @@ void GI::SDFGI::update_light() { RD::get_singleton()->draw_command_end_label(); } -void GI::SDFGI::update_probes(RendererSceneEnvironmentRD *p_env, RendererSceneSkyRD::Sky *p_sky) { +void GI::SDFGI::update_probes(RendererSceneEnvironmentRD *p_env, SkyRD::Sky *p_sky) { RD::get_singleton()->draw_command_begin_label("SDFGI Update Probes"); SDFGIShader::IntegratePushConstant push_constant; @@ -3233,7 +3233,7 @@ GI::~GI() { singleton = nullptr; } -void GI::init(RendererSceneSkyRD *p_sky) { +void GI::init(SkyRD *p_sky) { RendererRD::TextureStorage *texture_storage = RendererRD::TextureStorage::get_singleton(); RendererRD::MaterialStorage *material_storage = RendererRD::MaterialStorage::get_singleton(); diff --git a/servers/rendering/renderer_rd/environment/gi.h b/servers/rendering/renderer_rd/environment/gi.h index 517fa86ce3..f4e32a8dd0 100644 --- a/servers/rendering/renderer_rd/environment/gi.h +++ b/servers/rendering/renderer_rd/environment/gi.h @@ -35,8 +35,8 @@ #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/renderer_scene_environment_rd.h" -#include "servers/rendering/renderer_rd/renderer_scene_sky_rd.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" @@ -618,7 +618,7 @@ public: void erase(); void update(RendererSceneEnvironmentRD *p_env, const Vector3 &p_world_position); void update_light(); - void update_probes(RendererSceneEnvironmentRD *p_env, RendererSceneSkyRD::Sky *p_sky); + void update_probes(RendererSceneEnvironmentRD *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(); @@ -769,7 +769,7 @@ public: GI(); ~GI(); - void init(RendererSceneSkyRD *p_sky); + void init(RendererRD::SkyRD *p_sky); void free(); SDFGI *create_sdfgi(RendererSceneEnvironmentRD *p_env, const Vector3 &p_world_position, uint32_t p_requested_history_size); diff --git a/servers/rendering/renderer_rd/environment/sky.cpp b/servers/rendering/renderer_rd/environment/sky.cpp new file mode 100644 index 0000000000..0851e754ea --- /dev/null +++ b/servers/rendering/renderer_rd/environment/sky.cpp @@ -0,0 +1,1926 @@ +/*************************************************************************/ +/* 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/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]); + } + print_line("\n**uniforms:\n" + gen_code.uniforms); + // print_line("\n**vertex_globals:\n" + gen_code.vertex_global); + // print_line("\n**vertex_code:\n" + gen_code.vertex); + print_line("\n**fragment_globals:\n" + gen_code.fragment_global); + print_line("\n**fragment_code:\n" + gen_code.fragment); + print_line("\n**light_code:\n" + gen_code.light); +#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_param(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_param_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; + } + } + + for (const KeyValue<int, StringName> &E : order) { + 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_param_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); +} + +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, float p_multiplier, 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].matrix[2][0]; + sky_push_constant.projections[v][1] = p_projections[v].matrix[0][0]; + sky_push_constant.projections[v][2] = p_projections[v].matrix[2][1]; + sky_push_constant.projections[v][3] = p_projections[v].matrix[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.multiplier = p_multiplier; + 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 = 64; // Always 64x64 + tf.height = 64; + tf.texture_type = RD::TEXTURE_TYPE_CUBE; + tf.array_layers = 6; + tf.mipmaps = 7; + 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 = 64; + uint32_t mmh = 64; + downsampled_layer.mipmaps.resize(7); + 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::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::DEFAULT_RD_TEXTURE_WHITE)); + } else { + u.append_id(texture_storage->texture_rd_get_default(RendererRD::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::DEFAULT_RD_TEXTURE_WHITE)); + } else { + u.append_id(texture_storage->texture_rd_get_default(RendererRD::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; + 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; + img.instantiate(); + img->create(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::ShaderData *SkyRD::_create_sky_shader_func() { + SkyShaderData *shader_data = memnew(SkyShaderData); + return shader_data; +} + +RendererRD::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::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::MaterialData *SkyRD::_create_sky_material_funcs(RendererRD::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::SHADER_TYPE_SKY, _create_sky_shader_funcs); + material_storage->material_set_data_request_function(RendererRD::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_multiplier.xyz"; + 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.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_variables.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::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_variables_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::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::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::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::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::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(RendererSceneEnvironmentRD *p_env, RID p_render_buffers, const PagedArray<RID> &p_lights, 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); + + SkyMaterialData *material = nullptr; + Sky *sky = get_sky(p_env->sky); + + RID sky_material; + + SkyShaderData *shader_data = nullptr; + + if (sky) { + sky_material = sky_get_material(p_env->sky); + + if (sky_material.is_valid()) { + material = static_cast<SkyMaterialData *>(material_storage->material_get_data(sky_material, RendererRD::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::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++) { + RendererSceneRenderRD::LightInstance *li = p_scene_render->light_instance_owner.get_or_null(p_lights[i]); + if (!li) { + continue; + } + RID base = li->light; + + 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 = li->transform; + 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); + + 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::deg2rad(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; + } + } + + 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_scene_render->render_buffers_has_volumetric_fog(p_render_buffers)) { + sky_scene_state.ubo.volumetric_fog_enabled = true; + + float fog_end = p_scene_render->render_buffers_get_volumetric_fog_end(p_render_buffers); + 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 = p_scene_render->render_buffers_get_volumetric_fog_detail_spread(p_render_buffers); //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 = p_scene_render->render_buffers_get_volumetric_fog_sky_uniform_set(p_render_buffers); + } + } + + sky_scene_state.ubo.z_far = p_projection.get_z_far(); + sky_scene_state.ubo.fog_enabled = p_env->fog_enabled; + sky_scene_state.ubo.fog_density = p_env->fog_density; + sky_scene_state.ubo.fog_aerial_perspective = p_env->fog_aerial_perspective; + Color fog_color = p_env->fog_light_color.srgb_to_linear(); + float fog_energy = p_env->fog_light_energy; + 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 = p_env->fog_sun_scatter; + + RD::get_singleton()->buffer_update(sky_scene_state.uniform_buffer, 0, sizeof(SkySceneState::UBO), &sky_scene_state.ubo); +} + +void SkyRD::update(RendererSceneEnvironmentRD *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); + + Sky *sky = get_sky(p_env->sky); + ERR_FAIL_COND(!sky); + + RID sky_material = sky_get_material(p_env->sky); + + SkyMaterialData *material = nullptr; + + if (sky_material.is_valid()) { + material = static_cast<SkyMaterialData *>(material_storage->material_get_data(sky_material, RendererRD::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::SHADER_TYPE_SKY)); + } + + ERR_FAIL_COND(!material); + + SkyShaderData *shader_data = material->shader_data; + + ERR_FAIL_COND(!shader_data); + + float multiplier = p_env->bg_energy; + + 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, multiplier, 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, multiplier, 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, multiplier, 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->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(RendererSceneEnvironmentRD *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) { + RendererRD::MaterialStorage *material_storage = RendererRD::MaterialStorage::get_singleton(); + ERR_FAIL_COND(!p_env); + + ERR_FAIL_COND(p_view_count == 0); + ERR_FAIL_COND(p_view_count > RendererSceneRender::MAX_RENDER_VIEWS); + + Sky *sky = get_sky(p_env->sky); + + SkyMaterialData *material = nullptr; + RID sky_material; + + RS::EnvironmentBG background = p_env->background; + + if (!(background == RS::ENV_BG_CLEAR_COLOR || background == RS::ENV_BG_COLOR) || sky) { + ERR_FAIL_COND(!sky); + sky_material = sky_get_material(p_env->sky); + + if (sky_material.is_valid()) { + material = static_cast<SkyMaterialData *>(material_storage->material_get_data(sky_material, RendererRD::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::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::SHADER_TYPE_SKY)); + } + + ERR_FAIL_COND(!material); + + SkyShaderData *shader_data = material->shader_data; + + ERR_FAIL_COND(!shader_data); + + Basis sky_transform = p_env->sky_orientation; + sky_transform.invert(); + + float multiplier = p_env->bg_energy; + float custom_fov = p_env->sky_custom_fov; + + // 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, multiplier, p_transform.origin, 1.0); + 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, multiplier, p_transform.origin, 1.0); + 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, multiplier, p_transform.origin, 1.0); + RD::get_singleton()->draw_list_end(); +} + +void SkyRD::update_res_buffers(RendererSceneEnvironmentRD *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); + + ERR_FAIL_COND(p_view_count == 0); + ERR_FAIL_COND(p_view_count > RendererSceneRender::MAX_RENDER_VIEWS); + + Sky *sky = get_sky(p_env->sky); + ERR_FAIL_COND(!sky); + + SkyMaterialData *material = nullptr; + RID sky_material; + + sky_material = sky_get_material(p_env->sky); + + if (sky_material.is_valid()) { + material = static_cast<SkyMaterialData *>(material_storage->material_get_data(sky_material, RendererRD::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::SHADER_TYPE_SKY)); + } + + ERR_FAIL_COND(!material); + + SkyShaderData *shader_data = material->shader_data; + + ERR_FAIL_COND(!shader_data); + + Basis sky_transform = p_env->sky_orientation; + sky_transform.invert(); + + float multiplier = p_env->bg_energy; + float custom_fov = p_env->sky_custom_fov; + + // 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, multiplier, 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, multiplier, p_transform.origin, p_luminance_multiplier); + RD::get_singleton()->draw_list_end(); + } +} + +void SkyRD::draw(RD::DrawListID p_draw_list, RendererSceneEnvironmentRD *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); + + ERR_FAIL_COND(p_view_count == 0); + ERR_FAIL_COND(p_view_count > RendererSceneRender::MAX_RENDER_VIEWS); + + Sky *sky = get_sky(p_env->sky); + + SkyMaterialData *material = nullptr; + RID sky_material; + + RS::EnvironmentBG background = p_env->background; + + if (!(background == RS::ENV_BG_CLEAR_COLOR || background == RS::ENV_BG_COLOR) || sky) { + ERR_FAIL_COND(!sky); + sky_material = sky_get_material(p_env->sky); + + if (sky_material.is_valid()) { + material = static_cast<SkyMaterialData *>(material_storage->material_get_data(sky_material, RendererRD::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::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::SHADER_TYPE_SKY)); + } + + ERR_FAIL_COND(!material); + + SkyShaderData *shader_data = material->shader_data; + + ERR_FAIL_COND(!shader_data); + + Basis sky_transform = p_env->sky_orientation; + sky_transform.invert(); + + float multiplier = p_env->bg_energy; + float custom_fov = p_env->sky_custom_fov; + + // 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, multiplier, 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; +} + +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..c3962f20b7 --- /dev/null +++ b/servers/rendering/renderer_rd/environment/sky.h @@ -0,0 +1,325 @@ +/*************************************************************************/ +/* 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/renderer_scene_environment_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; + +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 multiplier; // 4 - 96 + float time; // 4 - 100 + float luminance_multiplier; // 4 - 104 + float pad[2]; // 8 - 112 // Using pad to align on 16 bytes + // 128 is the max size of a push constant. We can replace "pad" but we can't add any more. + }; + + struct SkyShaderData : public RendererRD::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_param(const StringName &p_name, RID p_texture, int p_index); + virtual void get_param_list(List<PropertyInfo> *p_param_list) const; + virtual void get_instance_param_list(List<RendererMaterialStorage::InstanceShaderParam> *p_param_list) const; + virtual bool is_param_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, float p_multiplier, const Vector3 &p_position, float p_luminance_multiplier); + +public: + struct SkySceneState { + struct UBO { + uint32_t volumetric_fog_enabled; + float volumetric_fog_inv_length; + float volumetric_fog_detail_spread; + + float fog_aerial_perspective; + + float fog_light_color[3]; + float fog_sun_scatter; + + uint32_t fog_enabled; + float fog_density; + + float z_far; + uint32_t directional_light_count; + }; + + 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::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; + + //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::ShaderData *_create_sky_shader_func(); + static RendererRD::ShaderData *_create_sky_shader_funcs(); + + RendererRD::MaterialData *_create_sky_material_func(SkyShaderData *p_shader); + static RendererRD::MaterialData *_create_sky_material_funcs(RendererRD::ShaderData *p_shader); + + SkyRD(); + void init(); + void set_texture_format(RD::DataFormat p_texture_format); + ~SkyRD(); + + void setup(RendererSceneEnvironmentRD *p_env, RID p_render_buffers, const PagedArray<RID> &p_lights, const Projection &p_projection, const Transform3D &p_transform, const Size2i p_screen_size, RendererSceneRenderRD *p_scene_render); + void update(RendererSceneEnvironmentRD *p_env, const Projection &p_projection, const Transform3D &p_transform, double p_time, float p_luminance_multiplier = 1.0); + void draw(RendererSceneEnvironmentRD *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); // only called by clustered renderer + void update_res_buffers(RendererSceneEnvironmentRD *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, RendererSceneEnvironmentRD *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 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); + + RID sky_get_radiance_texture_rd(RID p_sky) const; +}; + +} // namespace RendererRD + +#endif // SKY_RD_H |