diff options
Diffstat (limited to 'servers/rendering/renderer_rd/effects')
| -rw-r--r-- | servers/rendering/renderer_rd/effects/copy_effects.cpp | 106 | ||||
| -rw-r--r-- | servers/rendering/renderer_rd/effects/copy_effects.h | 30 | ||||
| -rw-r--r-- | servers/rendering/renderer_rd/effects/ss_effects.cpp | 1715 | ||||
| -rw-r--r-- | servers/rendering/renderer_rd/effects/ss_effects.h | 508 |
4 files changed, 2359 insertions, 0 deletions
diff --git a/servers/rendering/renderer_rd/effects/copy_effects.cpp b/servers/rendering/renderer_rd/effects/copy_effects.cpp index cbf7046887..5507483cee 100644 --- a/servers/rendering/renderer_rd/effects/copy_effects.cpp +++ b/servers/rendering/renderer_rd/effects/copy_effects.cpp @@ -249,6 +249,56 @@ CopyEffects::CopyEffects(bool p_prefer_raster_effects) { roughness.raster_pipeline.clear(); } } + + { + Vector<String> specular_modes; + specular_modes.push_back("\n#define MODE_MERGE\n"); // SPECULAR_MERGE_ADD + specular_modes.push_back("\n#define MODE_MERGE\n#define MODE_SSR\n"); // SPECULAR_MERGE_SSR + specular_modes.push_back("\n"); // SPECULAR_MERGE_ADDITIVE_ADD + specular_modes.push_back("\n#define MODE_SSR\n"); // SPECULAR_MERGE_ADDITIVE_SSR + + specular_modes.push_back("\n#define USE_MULTIVIEW\n#define MODE_MERGE\n"); // SPECULAR_MERGE_ADD_MULTIVIEW + specular_modes.push_back("\n#define USE_MULTIVIEW\n#define MODE_MERGE\n#define MODE_SSR\n"); // SPECULAR_MERGE_SSR_MULTIVIEW + specular_modes.push_back("\n#define USE_MULTIVIEW\n"); // SPECULAR_MERGE_ADDITIVE_ADD_MULTIVIEW + specular_modes.push_back("\n#define USE_MULTIVIEW\n#define MODE_SSR\n"); // SPECULAR_MERGE_ADDITIVE_SSR_MULTIVIEW + + specular_merge.shader.initialize(specular_modes); + + if (!RendererCompositorRD::singleton->is_xr_enabled()) { + specular_merge.shader.set_variant_enabled(SPECULAR_MERGE_ADD_MULTIVIEW, false); + specular_merge.shader.set_variant_enabled(SPECULAR_MERGE_SSR_MULTIVIEW, false); + specular_merge.shader.set_variant_enabled(SPECULAR_MERGE_ADDITIVE_ADD_MULTIVIEW, false); + specular_merge.shader.set_variant_enabled(SPECULAR_MERGE_ADDITIVE_SSR_MULTIVIEW, false); + } + + specular_merge.shader_version = specular_merge.shader.version_create(); + + //use additive + + RD::PipelineColorBlendState::Attachment ba; + ba.enable_blend = true; + ba.src_color_blend_factor = RD::BLEND_FACTOR_ONE; + ba.dst_color_blend_factor = RD::BLEND_FACTOR_ONE; + ba.src_alpha_blend_factor = RD::BLEND_FACTOR_ONE; + ba.dst_alpha_blend_factor = RD::BLEND_FACTOR_ONE; + ba.color_blend_op = RD::BLEND_OP_ADD; + ba.alpha_blend_op = RD::BLEND_OP_ADD; + + RD::PipelineColorBlendState blend_additive; + blend_additive.attachments.push_back(ba); + + for (int i = 0; i < SPECULAR_MERGE_MAX; i++) { + if (specular_merge.shader.is_variant_enabled(i)) { + RD::PipelineColorBlendState blend_state; + if (i == SPECULAR_MERGE_ADDITIVE_ADD || i == SPECULAR_MERGE_ADDITIVE_SSR || i == SPECULAR_MERGE_ADDITIVE_ADD_MULTIVIEW || i == SPECULAR_MERGE_ADDITIVE_SSR_MULTIVIEW) { + blend_state = blend_additive; + } else { + blend_state = RD::PipelineColorBlendState::create_disabled(); + } + specular_merge.pipelines[i].setup(specular_merge.shader.version_get_shader(specular_merge.shader_version, i), RD::RENDER_PRIMITIVE_TRIANGLES, RD::PipelineRasterizationState(), RD::PipelineMultisampleState(), RD::PipelineDepthStencilState(), blend_state, 0); + } + } + } } CopyEffects::~CopyEffects() { @@ -264,6 +314,8 @@ CopyEffects::~CopyEffects() { roughness.compute_shader.version_free(roughness.shader_version); } + specular_merge.shader.version_free(specular_merge.shader_version); + RD::get_singleton()->free(filter.coefficient_buffer); if (RD::get_singleton()->uniform_set_is_valid(filter.image_uniform_set)) { @@ -1083,3 +1135,57 @@ void CopyEffects::cubemap_roughness_raster(RID p_source_rd_texture, RID p_dest_f RD::get_singleton()->draw_list_draw(draw_list, true); RD::get_singleton()->draw_list_end(); } + +void CopyEffects::merge_specular(RID p_dest_framebuffer, RID p_specular, RID p_base, RID p_reflection, uint32_t p_view_count) { + UniformSetCacheRD *uniform_set_cache = UniformSetCacheRD::get_singleton(); + ERR_FAIL_NULL(uniform_set_cache); + MaterialStorage *material_storage = MaterialStorage::get_singleton(); + ERR_FAIL_NULL(material_storage); + + RID default_sampler = material_storage->sampler_rd_get_default(RS::CANVAS_ITEM_TEXTURE_FILTER_LINEAR, RS::CANVAS_ITEM_TEXTURE_REPEAT_DISABLED); + + RD::get_singleton()->draw_command_begin_label("Merge specular"); + + RD::DrawListID draw_list = RD::get_singleton()->draw_list_begin(p_dest_framebuffer, RD::INITIAL_ACTION_KEEP, RD::FINAL_ACTION_READ, RD::INITIAL_ACTION_KEEP, RD::FINAL_ACTION_READ, Vector<Color>()); + + int mode; + if (p_reflection.is_valid()) { + if (p_base.is_valid()) { + mode = SPECULAR_MERGE_SSR; + } else { + mode = SPECULAR_MERGE_ADDITIVE_SSR; + } + } else { + if (p_base.is_valid()) { + mode = SPECULAR_MERGE_ADD; + } else { + mode = SPECULAR_MERGE_ADDITIVE_ADD; + } + } + + if (p_view_count > 1) { + mode += SPECULAR_MERGE_ADD_MULTIVIEW; + } + + RID shader = specular_merge.shader.version_get_shader(specular_merge.shader_version, mode); + RD::get_singleton()->draw_list_bind_render_pipeline(draw_list, specular_merge.pipelines[mode].get_render_pipeline(RD::INVALID_ID, RD::get_singleton()->framebuffer_get_format(p_dest_framebuffer))); + + if (p_base.is_valid()) { + RD::Uniform u_base(RD::UNIFORM_TYPE_SAMPLER_WITH_TEXTURE, 0, Vector<RID>({ default_sampler, p_base })); + RD::get_singleton()->draw_list_bind_uniform_set(draw_list, uniform_set_cache->get_cache(shader, 2, u_base), 2); + } + + RD::Uniform u_specular(RD::UNIFORM_TYPE_SAMPLER_WITH_TEXTURE, 0, Vector<RID>({ default_sampler, p_specular })); + RD::get_singleton()->draw_list_bind_uniform_set(draw_list, uniform_set_cache->get_cache(shader, 0, u_specular), 0); + + if (p_reflection.is_valid()) { + RD::Uniform u_reflection(RD::UNIFORM_TYPE_SAMPLER_WITH_TEXTURE, 0, Vector<RID>({ default_sampler, p_reflection })); + RD::get_singleton()->draw_list_bind_uniform_set(draw_list, uniform_set_cache->get_cache(shader, 1, u_reflection), 1); + } + + RD::get_singleton()->draw_list_bind_index_array(draw_list, material_storage->get_quad_index_array()); + RD::get_singleton()->draw_list_draw(draw_list, true); + RD::get_singleton()->draw_list_end(); + + RD::get_singleton()->draw_command_end_label(); +} diff --git a/servers/rendering/renderer_rd/effects/copy_effects.h b/servers/rendering/renderer_rd/effects/copy_effects.h index 882b446964..0066f2be31 100644 --- a/servers/rendering/renderer_rd/effects/copy_effects.h +++ b/servers/rendering/renderer_rd/effects/copy_effects.h @@ -42,6 +42,7 @@ #include "servers/rendering/renderer_rd/shaders/effects/cubemap_filter_raster.glsl.gen.h" #include "servers/rendering/renderer_rd/shaders/effects/cubemap_roughness.glsl.gen.h" #include "servers/rendering/renderer_rd/shaders/effects/cubemap_roughness_raster.glsl.gen.h" +#include "servers/rendering/renderer_rd/shaders/effects/specular_merge.glsl.gen.h" #include "servers/rendering/renderer_scene_render.h" #include "servers/rendering_server.h" @@ -274,6 +275,33 @@ private: PipelineCacheRD raster_pipeline; } roughness; + // Merge specular + + enum SpecularMergeMode { + SPECULAR_MERGE_ADD, + SPECULAR_MERGE_SSR, + SPECULAR_MERGE_ADDITIVE_ADD, + SPECULAR_MERGE_ADDITIVE_SSR, + + SPECULAR_MERGE_ADD_MULTIVIEW, + SPECULAR_MERGE_SSR_MULTIVIEW, + SPECULAR_MERGE_ADDITIVE_ADD_MULTIVIEW, + SPECULAR_MERGE_ADDITIVE_SSR_MULTIVIEW, + + SPECULAR_MERGE_MAX + }; + + /* Specular merge must be done using raster, rather than compute + * because it must continue the existing color buffer + */ + + struct SpecularMerge { + SpecularMergeShaderRD shader; + RID shader_version; + PipelineCacheRD pipelines[SPECULAR_MERGE_MAX]; + + } specular_merge; + static CopyEffects *singleton; public: @@ -309,6 +337,8 @@ public: void cubemap_roughness(RID p_source_rd_texture, RID p_dest_texture, uint32_t p_face_id, uint32_t p_sample_count, float p_roughness, float p_size); void cubemap_roughness_raster(RID p_source_rd_texture, RID p_dest_framebuffer, uint32_t p_face_id, uint32_t p_sample_count, float p_roughness, float p_size); + + void merge_specular(RID p_dest_framebuffer, RID p_specular, RID p_base, RID p_reflection, uint32_t p_view_count); }; } // namespace RendererRD diff --git a/servers/rendering/renderer_rd/effects/ss_effects.cpp b/servers/rendering/renderer_rd/effects/ss_effects.cpp new file mode 100644 index 0000000000..49d66023d8 --- /dev/null +++ b/servers/rendering/renderer_rd/effects/ss_effects.cpp @@ -0,0 +1,1715 @@ +/*************************************************************************/ +/* ss_effects.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 "ss_effects.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/uniform_set_cache_rd.h" + +using namespace RendererRD; + +SSEffects *SSEffects::singleton = nullptr; + +static _FORCE_INLINE_ void store_camera(const CameraMatrix &p_mtx, float *p_array) { + for (int i = 0; i < 4; i++) { + for (int j = 0; j < 4; j++) { + p_array[i * 4 + j] = p_mtx.matrix[i][j]; + } + } +} + +SSEffects::SSEffects() { + singleton = this; + + { + // Initialize depth buffer for screen space effects + Vector<String> downsampler_modes; + downsampler_modes.push_back("\n"); + downsampler_modes.push_back("\n#define USE_HALF_SIZE\n"); + downsampler_modes.push_back("\n#define GENERATE_MIPS\n"); + downsampler_modes.push_back("\n#define GENERATE_MIPS\n#define USE_HALF_SIZE\n"); + downsampler_modes.push_back("\n#define USE_HALF_BUFFERS\n"); + downsampler_modes.push_back("\n#define USE_HALF_BUFFERS\n#define USE_HALF_SIZE\n"); + downsampler_modes.push_back("\n#define GENERATE_MIPS\n#define GENERATE_FULL_MIPS"); + + ss_effects.downsample_shader.initialize(downsampler_modes); + + ss_effects.downsample_shader_version = ss_effects.downsample_shader.version_create(); + + for (int i = 0; i < SS_EFFECTS_MAX; i++) { + ss_effects.pipelines[i] = RD::get_singleton()->compute_pipeline_create(ss_effects.downsample_shader.version_get_shader(ss_effects.downsample_shader_version, i)); + } + + ss_effects.gather_constants_buffer = RD::get_singleton()->uniform_buffer_create(sizeof(SSEffectsGatherConstants)); + SSEffectsGatherConstants gather_constants; + + const int sub_pass_count = 5; + for (int pass = 0; pass < 4; pass++) { + for (int subPass = 0; subPass < sub_pass_count; subPass++) { + int a = pass; + int b = subPass; + + int spmap[5]{ 0, 1, 4, 3, 2 }; + b = spmap[subPass]; + + float ca, sa; + float angle0 = (float(a) + float(b) / float(sub_pass_count)) * Math_PI * 0.5f; + + ca = Math::cos(angle0); + sa = Math::sin(angle0); + + float scale = 1.0f + (a - 1.5f + (b - (sub_pass_count - 1.0f) * 0.5f) / float(sub_pass_count)) * 0.07f; + + gather_constants.rotation_matrices[pass * 20 + subPass * 4 + 0] = scale * ca; + gather_constants.rotation_matrices[pass * 20 + subPass * 4 + 1] = scale * -sa; + gather_constants.rotation_matrices[pass * 20 + subPass * 4 + 2] = -scale * sa; + gather_constants.rotation_matrices[pass * 20 + subPass * 4 + 3] = -scale * ca; + } + } + + RD::get_singleton()->buffer_update(ss_effects.gather_constants_buffer, 0, sizeof(SSEffectsGatherConstants), &gather_constants); + } + + // Initialize Screen Space Indirect Lighting (SSIL) + + { + Vector<String> ssil_modes; + ssil_modes.push_back("\n"); + ssil_modes.push_back("\n#define SSIL_BASE\n"); + ssil_modes.push_back("\n#define ADAPTIVE\n"); + + ssil.gather_shader.initialize(ssil_modes); + + ssil.gather_shader_version = ssil.gather_shader.version_create(); + + for (int i = SSIL_GATHER; i <= SSIL_GATHER_ADAPTIVE; i++) { + ssil.pipelines[i] = RD::get_singleton()->compute_pipeline_create(ssil.gather_shader.version_get_shader(ssil.gather_shader_version, i)); + } + ssil.projection_uniform_buffer = RD::get_singleton()->uniform_buffer_create(sizeof(SSILProjectionUniforms)); + } + + { + Vector<String> ssil_modes; + ssil_modes.push_back("\n#define GENERATE_MAP\n"); + ssil_modes.push_back("\n#define PROCESS_MAPA\n"); + ssil_modes.push_back("\n#define PROCESS_MAPB\n"); + + ssil.importance_map_shader.initialize(ssil_modes); + + ssil.importance_map_shader_version = ssil.importance_map_shader.version_create(); + + for (int i = SSIL_GENERATE_IMPORTANCE_MAP; i <= SSIL_PROCESS_IMPORTANCE_MAPB; i++) { + ssil.pipelines[i] = RD::get_singleton()->compute_pipeline_create(ssil.importance_map_shader.version_get_shader(ssil.importance_map_shader_version, i - SSIL_GENERATE_IMPORTANCE_MAP)); + } + ssil.importance_map_load_counter = RD::get_singleton()->storage_buffer_create(sizeof(uint32_t)); + int zero[1] = { 0 }; + RD::get_singleton()->buffer_update(ssil.importance_map_load_counter, 0, sizeof(uint32_t), &zero); + RD::get_singleton()->set_resource_name(ssil.importance_map_load_counter, "Importance Map Load Counter"); + + Vector<RD::Uniform> uniforms; + { + RD::Uniform u; + u.uniform_type = RD::UNIFORM_TYPE_STORAGE_BUFFER; + u.binding = 0; + u.append_id(ssil.importance_map_load_counter); + uniforms.push_back(u); + } + ssil.counter_uniform_set = RD::get_singleton()->uniform_set_create(uniforms, ssil.importance_map_shader.version_get_shader(ssil.importance_map_shader_version, 2), 2); + RD::get_singleton()->set_resource_name(ssil.counter_uniform_set, "Load Counter Uniform Set"); + } + + { + Vector<String> ssil_modes; + ssil_modes.push_back("\n#define MODE_NON_SMART\n"); + ssil_modes.push_back("\n#define MODE_SMART\n"); + ssil_modes.push_back("\n#define MODE_WIDE\n"); + + ssil.blur_shader.initialize(ssil_modes); + + ssil.blur_shader_version = ssil.blur_shader.version_create(); + for (int i = SSIL_BLUR_PASS; i <= SSIL_BLUR_PASS_WIDE; i++) { + ssil.pipelines[i] = RD::get_singleton()->compute_pipeline_create(ssil.blur_shader.version_get_shader(ssil.blur_shader_version, i - SSIL_BLUR_PASS)); + } + } + + { + Vector<String> ssil_modes; + ssil_modes.push_back("\n#define MODE_NON_SMART\n"); + ssil_modes.push_back("\n#define MODE_SMART\n"); + ssil_modes.push_back("\n#define MODE_HALF\n"); + + ssil.interleave_shader.initialize(ssil_modes); + + ssil.interleave_shader_version = ssil.interleave_shader.version_create(); + for (int i = SSIL_INTERLEAVE; i <= SSIL_INTERLEAVE_HALF; i++) { + ssil.pipelines[i] = RD::get_singleton()->compute_pipeline_create(ssil.interleave_shader.version_get_shader(ssil.interleave_shader_version, i - SSIL_INTERLEAVE)); + } + } + + { + // Initialize Screen Space Ambient Occlusion (SSAO) + + RD::SamplerState sampler; + sampler.mag_filter = RD::SAMPLER_FILTER_NEAREST; + sampler.min_filter = RD::SAMPLER_FILTER_NEAREST; + sampler.mip_filter = RD::SAMPLER_FILTER_NEAREST; + sampler.repeat_u = RD::SAMPLER_REPEAT_MODE_MIRRORED_REPEAT; + sampler.repeat_v = RD::SAMPLER_REPEAT_MODE_MIRRORED_REPEAT; + sampler.repeat_w = RD::SAMPLER_REPEAT_MODE_MIRRORED_REPEAT; + sampler.max_lod = 4; + + uint32_t pipeline = 0; + { + Vector<String> ssao_modes; + + ssao_modes.push_back("\n"); + ssao_modes.push_back("\n#define SSAO_BASE\n"); + ssao_modes.push_back("\n#define ADAPTIVE\n"); + + ssao.gather_shader.initialize(ssao_modes); + + ssao.gather_shader_version = ssao.gather_shader.version_create(); + + for (int i = 0; i <= SSAO_GATHER_ADAPTIVE; i++) { + ssao.pipelines[pipeline] = RD::get_singleton()->compute_pipeline_create(ssao.gather_shader.version_get_shader(ssao.gather_shader_version, i)); + pipeline++; + } + } + + { + Vector<String> ssao_modes; + ssao_modes.push_back("\n#define GENERATE_MAP\n"); + ssao_modes.push_back("\n#define PROCESS_MAPA\n"); + ssao_modes.push_back("\n#define PROCESS_MAPB\n"); + + ssao.importance_map_shader.initialize(ssao_modes); + + ssao.importance_map_shader_version = ssao.importance_map_shader.version_create(); + + for (int i = SSAO_GENERATE_IMPORTANCE_MAP; i <= SSAO_PROCESS_IMPORTANCE_MAPB; i++) { + ssao.pipelines[pipeline] = RD::get_singleton()->compute_pipeline_create(ssao.importance_map_shader.version_get_shader(ssao.importance_map_shader_version, i - SSAO_GENERATE_IMPORTANCE_MAP)); + + pipeline++; + } + + ssao.importance_map_load_counter = RD::get_singleton()->storage_buffer_create(sizeof(uint32_t)); + int zero[1] = { 0 }; + RD::get_singleton()->buffer_update(ssao.importance_map_load_counter, 0, sizeof(uint32_t), &zero); + RD::get_singleton()->set_resource_name(ssao.importance_map_load_counter, "Importance Map Load Counter"); + + Vector<RD::Uniform> uniforms; + { + RD::Uniform u; + u.uniform_type = RD::UNIFORM_TYPE_STORAGE_BUFFER; + u.binding = 0; + u.append_id(ssao.importance_map_load_counter); + uniforms.push_back(u); + } + ssao.counter_uniform_set = RD::get_singleton()->uniform_set_create(uniforms, ssao.importance_map_shader.version_get_shader(ssao.importance_map_shader_version, 2), 2); + RD::get_singleton()->set_resource_name(ssao.counter_uniform_set, "Load Counter Uniform Set"); + } + + { + Vector<String> ssao_modes; + ssao_modes.push_back("\n#define MODE_NON_SMART\n"); + ssao_modes.push_back("\n#define MODE_SMART\n"); + ssao_modes.push_back("\n#define MODE_WIDE\n"); + + ssao.blur_shader.initialize(ssao_modes); + + ssao.blur_shader_version = ssao.blur_shader.version_create(); + + for (int i = SSAO_BLUR_PASS; i <= SSAO_BLUR_PASS_WIDE; i++) { + ssao.pipelines[pipeline] = RD::get_singleton()->compute_pipeline_create(ssao.blur_shader.version_get_shader(ssao.blur_shader_version, i - SSAO_BLUR_PASS)); + + pipeline++; + } + } + + { + Vector<String> ssao_modes; + ssao_modes.push_back("\n#define MODE_NON_SMART\n"); + ssao_modes.push_back("\n#define MODE_SMART\n"); + ssao_modes.push_back("\n#define MODE_HALF\n"); + + ssao.interleave_shader.initialize(ssao_modes); + + ssao.interleave_shader_version = ssao.interleave_shader.version_create(); + for (int i = SSAO_INTERLEAVE; i <= SSAO_INTERLEAVE_HALF; i++) { + ssao.pipelines[pipeline] = RD::get_singleton()->compute_pipeline_create(ssao.interleave_shader.version_get_shader(ssao.interleave_shader_version, i - SSAO_INTERLEAVE)); + RD::get_singleton()->set_resource_name(ssao.pipelines[pipeline], "Interleave Pipeline " + itos(i)); + pipeline++; + } + } + + ERR_FAIL_COND(pipeline != SSAO_MAX); + + ss_effects.mirror_sampler = RD::get_singleton()->sampler_create(sampler); + } + + { + // Screen Space Reflections + + Vector<RD::PipelineSpecializationConstant> specialization_constants; + + { + RD::PipelineSpecializationConstant sc; + sc.type = RD::PIPELINE_SPECIALIZATION_CONSTANT_TYPE_BOOL; + sc.constant_id = 0; // SSR_USE_FULL_PROJECTION_MATRIX + sc.bool_value = false; + specialization_constants.push_back(sc); + } + + { + Vector<String> ssr_scale_modes; + ssr_scale_modes.push_back("\n"); + + ssr_scale.shader.initialize(ssr_scale_modes); + ssr_scale.shader_version = ssr_scale.shader.version_create(); + + for (int v = 0; v < SSR_VARIATIONS; v++) { + specialization_constants.ptrw()[0].bool_value = (v & SSR_MULTIVIEW) ? true : false; + ssr_scale.pipelines[v] = RD::get_singleton()->compute_pipeline_create(ssr_scale.shader.version_get_shader(ssr_scale.shader_version, 0), specialization_constants); + } + } + + { + Vector<String> ssr_modes; + ssr_modes.push_back("\n"); // SCREEN_SPACE_REFLECTION_NORMAL + ssr_modes.push_back("\n#define MODE_ROUGH\n"); // SCREEN_SPACE_REFLECTION_ROUGH + + ssr.shader.initialize(ssr_modes); + ssr.shader_version = ssr.shader.version_create(); + + for (int v = 0; v < SSR_VARIATIONS; v++) { + specialization_constants.ptrw()[0].bool_value = (v & SSR_MULTIVIEW) ? true : false; + for (int i = 0; i < SCREEN_SPACE_REFLECTION_MAX; i++) { + ssr.pipelines[v][i] = RD::get_singleton()->compute_pipeline_create(ssr.shader.version_get_shader(ssr.shader_version, i), specialization_constants); + } + } + } + + { + Vector<String> ssr_filter_modes; + ssr_filter_modes.push_back("\n"); // SCREEN_SPACE_REFLECTION_FILTER_HORIZONTAL + ssr_filter_modes.push_back("\n#define VERTICAL_PASS\n"); // SCREEN_SPACE_REFLECTION_FILTER_VERTICAL + + ssr_filter.shader.initialize(ssr_filter_modes); + ssr_filter.shader_version = ssr_filter.shader.version_create(); + + for (int v = 0; v < SSR_VARIATIONS; v++) { + specialization_constants.ptrw()[0].bool_value = (v & SSR_MULTIVIEW) ? true : false; + for (int i = 0; i < SCREEN_SPACE_REFLECTION_FILTER_MAX; i++) { + ssr_filter.pipelines[v][i] = RD::get_singleton()->compute_pipeline_create(ssr_filter.shader.version_get_shader(ssr_filter.shader_version, i), specialization_constants); + } + } + } + } +} + +SSEffects::~SSEffects() { + { + // Cleanup SS Reflections + ssr.shader.version_free(ssr.shader_version); + ssr_filter.shader.version_free(ssr_filter.shader_version); + ssr_scale.shader.version_free(ssr_scale.shader_version); + + if (ssr.ubo.is_valid()) { + RD::get_singleton()->free(ssr.ubo); + } + } + + { + // Cleanup SS downsampler + ss_effects.downsample_shader.version_free(ss_effects.downsample_shader_version); + + RD::get_singleton()->free(ss_effects.mirror_sampler); + RD::get_singleton()->free(ss_effects.gather_constants_buffer); + } + + { + // Cleanup SSIL + ssil.blur_shader.version_free(ssil.blur_shader_version); + ssil.gather_shader.version_free(ssil.gather_shader_version); + ssil.interleave_shader.version_free(ssil.interleave_shader_version); + ssil.importance_map_shader.version_free(ssil.importance_map_shader_version); + + RD::get_singleton()->free(ssil.importance_map_load_counter); + RD::get_singleton()->free(ssil.projection_uniform_buffer); + } + + { + // Cleanup SSAO + ssao.blur_shader.version_free(ssao.blur_shader_version); + ssao.gather_shader.version_free(ssao.gather_shader_version); + ssao.interleave_shader.version_free(ssao.interleave_shader_version); + ssao.importance_map_shader.version_free(ssao.importance_map_shader_version); + + RD::get_singleton()->free(ssao.importance_map_load_counter); + } + + singleton = nullptr; +} + +/* SS Downsampler */ + +void SSEffects::downsample_depth(RID p_depth_buffer, const Vector<RID> &p_depth_mipmaps, RS::EnvironmentSSAOQuality p_ssao_quality, RS::EnvironmentSSILQuality p_ssil_quality, bool p_invalidate_uniform_set, bool p_ssao_half_size, bool p_ssil_half_size, Size2i p_full_screen_size, const CameraMatrix &p_projection) { + UniformSetCacheRD *uniform_set_cache = UniformSetCacheRD::get_singleton(); + ERR_FAIL_NULL(uniform_set_cache); + MaterialStorage *material_storage = MaterialStorage::get_singleton(); + ERR_FAIL_NULL(material_storage); + + // Downsample and deinterleave the depth buffer for SSAO and SSIL + RD::ComputeListID compute_list = RD::get_singleton()->compute_list_begin(); + + int downsample_mode = SS_EFFECTS_DOWNSAMPLE; + bool use_mips = p_ssao_quality > RS::ENV_SSAO_QUALITY_MEDIUM || p_ssil_quality > RS::ENV_SSIL_QUALITY_MEDIUM; + + if (p_ssao_quality == RS::ENV_SSAO_QUALITY_VERY_LOW && p_ssil_quality == RS::ENV_SSIL_QUALITY_VERY_LOW) { + downsample_mode = SS_EFFECTS_DOWNSAMPLE_HALF; + } else if (use_mips) { + downsample_mode = SS_EFFECTS_DOWNSAMPLE_MIPMAP; + } + + bool use_half_size = false; + bool use_full_mips = false; + + if (p_ssao_half_size && p_ssil_half_size) { + downsample_mode++; + use_half_size = true; + } else if (p_ssao_half_size != p_ssil_half_size) { + if (use_mips) { + downsample_mode = SS_EFFECTS_DOWNSAMPLE_FULL_MIPS; + use_full_mips = true; + } else { + // Only need the first two mipmaps, but the cost to generate the next two is trivial + // TODO investigate the benefit of a shader version to generate only 2 mips + downsample_mode = SS_EFFECTS_DOWNSAMPLE_MIPMAP; + use_mips = true; + } + } + + int depth_index = use_half_size ? 1 : 0; + + RD::get_singleton()->draw_command_begin_label("Downsample Depth"); + if (p_invalidate_uniform_set || use_full_mips != ss_effects.used_full_mips_last_frame || use_half_size != ss_effects.used_half_size_last_frame || use_mips != ss_effects.used_mips_last_frame) { + Vector<RD::Uniform> uniforms; + { + RD::Uniform u; + u.uniform_type = RD::UNIFORM_TYPE_IMAGE; + u.binding = 0; + u.append_id(p_depth_mipmaps[depth_index + 1]); + uniforms.push_back(u); + } + { + RD::Uniform u; + u.uniform_type = RD::UNIFORM_TYPE_IMAGE; + u.binding = 1; + u.append_id(p_depth_mipmaps[depth_index + 2]); + uniforms.push_back(u); + } + { + RD::Uniform u; + u.uniform_type = RD::UNIFORM_TYPE_IMAGE; + u.binding = 2; + u.append_id(p_depth_mipmaps[depth_index + 3]); + uniforms.push_back(u); + } + if (use_full_mips) { + RD::Uniform u; + u.uniform_type = RD::UNIFORM_TYPE_IMAGE; + u.binding = 3; + u.append_id(p_depth_mipmaps[4]); + uniforms.push_back(u); + } + ss_effects.downsample_uniform_set = RD::get_singleton()->uniform_set_create(uniforms, ss_effects.downsample_shader.version_get_shader(ss_effects.downsample_shader_version, use_full_mips ? 6 : 2), 2); + } + + float depth_linearize_mul = -p_projection.matrix[3][2]; + float depth_linearize_add = p_projection.matrix[2][2]; + if (depth_linearize_mul * depth_linearize_add < 0) { + depth_linearize_add = -depth_linearize_add; + } + + ss_effects.downsample_push_constant.orthogonal = p_projection.is_orthogonal(); + ss_effects.downsample_push_constant.z_near = depth_linearize_mul; + ss_effects.downsample_push_constant.z_far = depth_linearize_add; + if (ss_effects.downsample_push_constant.orthogonal) { + ss_effects.downsample_push_constant.z_near = p_projection.get_z_near(); + ss_effects.downsample_push_constant.z_far = p_projection.get_z_far(); + } + ss_effects.downsample_push_constant.pixel_size[0] = 1.0 / p_full_screen_size.x; + ss_effects.downsample_push_constant.pixel_size[1] = 1.0 / p_full_screen_size.y; + ss_effects.downsample_push_constant.radius_sq = 1.0; + + RID shader = ss_effects.downsample_shader.version_get_shader(ss_effects.downsample_shader_version, downsample_mode); + RID default_sampler = material_storage->sampler_rd_get_default(RS::CANVAS_ITEM_TEXTURE_FILTER_LINEAR, RS::CANVAS_ITEM_TEXTURE_REPEAT_DISABLED); + + RD::Uniform u_depth_buffer(RD::UNIFORM_TYPE_SAMPLER_WITH_TEXTURE, 0, Vector<RID>({ default_sampler, p_depth_buffer })); + RD::Uniform u_depth_mipmaps(RD::UNIFORM_TYPE_IMAGE, 0, Vector<RID>({ p_depth_mipmaps[depth_index + 0] })); + + RD::get_singleton()->compute_list_bind_compute_pipeline(compute_list, ss_effects.pipelines[downsample_mode]); + RD::get_singleton()->compute_list_bind_uniform_set(compute_list, uniform_set_cache->get_cache(shader, 0, u_depth_buffer), 0); + RD::get_singleton()->compute_list_bind_uniform_set(compute_list, uniform_set_cache->get_cache(shader, 1, u_depth_mipmaps), 1); + if (use_mips) { + RD::get_singleton()->compute_list_bind_uniform_set(compute_list, ss_effects.downsample_uniform_set, 2); + } + RD::get_singleton()->compute_list_set_push_constant(compute_list, &ss_effects.downsample_push_constant, sizeof(SSEffectsDownsamplePushConstant)); + + Size2i size(MAX(1, p_full_screen_size.x >> (use_half_size ? 2 : 1)), MAX(1, p_full_screen_size.y >> (use_half_size ? 2 : 1))); + + RD::get_singleton()->compute_list_dispatch_threads(compute_list, size.x, size.y, 1); + RD::get_singleton()->compute_list_add_barrier(compute_list); + RD::get_singleton()->draw_command_end_label(); + + RD::get_singleton()->compute_list_end(RD::BARRIER_MASK_COMPUTE); + + ss_effects.used_full_mips_last_frame = use_full_mips; + ss_effects.used_half_size_last_frame = use_half_size; +} + +/* SSIL */ + +void SSEffects::gather_ssil(RD::ComputeListID p_compute_list, const Vector<RID> p_ssil_slices, const Vector<RID> p_edges_slices, const SSILSettings &p_settings, bool p_adaptive_base_pass, RID p_gather_uniform_set, RID p_importance_map_uniform_set, RID p_projection_uniform_set) { + UniformSetCacheRD *uniform_set_cache = UniformSetCacheRD::get_singleton(); + ERR_FAIL_NULL(uniform_set_cache); + + RD::get_singleton()->compute_list_bind_uniform_set(p_compute_list, p_gather_uniform_set, 0); + if ((p_settings.quality == RS::ENV_SSIL_QUALITY_ULTRA) && !p_adaptive_base_pass) { + RD::get_singleton()->compute_list_bind_uniform_set(p_compute_list, p_importance_map_uniform_set, 1); + } + RD::get_singleton()->compute_list_bind_uniform_set(p_compute_list, p_projection_uniform_set, 3); + + RID shader = ssil.gather_shader.version_get_shader(ssil.gather_shader_version, 0); + + for (int i = 0; i < 4; i++) { + if ((p_settings.quality == RS::ENV_SSIL_QUALITY_VERY_LOW) && ((i == 1) || (i == 2))) { + continue; + } + + RD::Uniform u_ssil_slice(RD::UNIFORM_TYPE_IMAGE, 0, Vector<RID>({ p_ssil_slices[i] })); + RD::Uniform u_edges_slice(RD::UNIFORM_TYPE_IMAGE, 1, Vector<RID>({ p_edges_slices[i] })); + + ssil.gather_push_constant.pass_coord_offset[0] = i % 2; + ssil.gather_push_constant.pass_coord_offset[1] = i / 2; + ssil.gather_push_constant.pass_uv_offset[0] = ((i % 2) - 0.0) / p_settings.full_screen_size.x; + ssil.gather_push_constant.pass_uv_offset[1] = ((i / 2) - 0.0) / p_settings.full_screen_size.y; + ssil.gather_push_constant.pass = i; + RD::get_singleton()->compute_list_bind_uniform_set(p_compute_list, uniform_set_cache->get_cache(shader, 2, u_ssil_slice, u_edges_slice), 2); + RD::get_singleton()->compute_list_set_push_constant(p_compute_list, &ssil.gather_push_constant, sizeof(SSILGatherPushConstant)); + + Size2i size = Size2i(p_settings.full_screen_size.x >> (p_settings.half_size ? 2 : 1), p_settings.full_screen_size.y >> (p_settings.half_size ? 2 : 1)); + + RD::get_singleton()->compute_list_dispatch_threads(p_compute_list, size.x, size.y, 1); + } + RD::get_singleton()->compute_list_add_barrier(p_compute_list); +} + +void SSEffects::ssil_allocate_buffers(SSILRenderBuffers &p_ssil_buffers, const SSILSettings &p_settings, RID p_linear_depth) { + if (p_ssil_buffers.half_size != p_settings.half_size) { + ssil_free(p_ssil_buffers); + } + + if (p_settings.half_size) { + p_ssil_buffers.buffer_width = (p_settings.full_screen_size.x + 3) / 4; + p_ssil_buffers.buffer_height = (p_settings.full_screen_size.y + 3) / 4; + p_ssil_buffers.half_buffer_width = (p_settings.full_screen_size.x + 7) / 8; + p_ssil_buffers.half_buffer_height = (p_settings.full_screen_size.y + 7) / 8; + } else { + p_ssil_buffers.buffer_width = (p_settings.full_screen_size.x + 1) / 2; + p_ssil_buffers.buffer_height = (p_settings.full_screen_size.y + 1) / 2; + p_ssil_buffers.half_buffer_width = (p_settings.full_screen_size.x + 3) / 4; + p_ssil_buffers.half_buffer_height = (p_settings.full_screen_size.y + 3) / 4; + } + + if (p_ssil_buffers.ssil_final.is_null()) { + { + p_ssil_buffers.depth_texture_view = RD::get_singleton()->texture_create_shared_from_slice(RD::TextureView(), p_linear_depth, 0, p_settings.half_size ? 1 : 0, 4, RD::TEXTURE_SLICE_2D_ARRAY); + } + { + RD::TextureFormat tf; + tf.format = RD::DATA_FORMAT_R16G16B16A16_SFLOAT; + tf.width = p_settings.full_screen_size.x; + tf.height = p_settings.full_screen_size.y; + tf.usage_bits = RD::TEXTURE_USAGE_SAMPLING_BIT | RD::TEXTURE_USAGE_STORAGE_BIT | RD::TEXTURE_USAGE_CAN_COPY_TO_BIT; + p_ssil_buffers.ssil_final = RD::get_singleton()->texture_create(tf, RD::TextureView()); + RD::get_singleton()->set_resource_name(p_ssil_buffers.ssil_final, "SSIL texture"); + RD::get_singleton()->texture_clear(p_ssil_buffers.ssil_final, Color(0, 0, 0, 0), 0, 1, 0, 1); + if (p_ssil_buffers.last_frame.is_null()) { + tf.mipmaps = 6; + p_ssil_buffers.last_frame = RD::get_singleton()->texture_create(tf, RD::TextureView()); + RD::get_singleton()->set_resource_name(p_ssil_buffers.last_frame, "Last Frame Radiance"); + RD::get_singleton()->texture_clear(p_ssil_buffers.last_frame, Color(0, 0, 0, 0), 0, tf.mipmaps, 0, 1); + for (uint32_t i = 0; i < 6; i++) { + RID slice = RD::get_singleton()->texture_create_shared_from_slice(RD::TextureView(), p_ssil_buffers.last_frame, 0, i); + p_ssil_buffers.last_frame_slices.push_back(slice); + RD::get_singleton()->set_resource_name(slice, "Last Frame Radiance Mip " + itos(i) + " "); + } + } + } + { + RD::TextureFormat tf; + tf.format = RD::DATA_FORMAT_R16G16B16A16_SFLOAT; + tf.texture_type = RD::TEXTURE_TYPE_2D_ARRAY; + tf.width = p_ssil_buffers.buffer_width; + tf.height = p_ssil_buffers.buffer_height; + tf.array_layers = 4; + tf.usage_bits = RD::TEXTURE_USAGE_SAMPLING_BIT | RD::TEXTURE_USAGE_STORAGE_BIT; + p_ssil_buffers.deinterleaved = RD::get_singleton()->texture_create(tf, RD::TextureView()); + RD::get_singleton()->set_resource_name(p_ssil_buffers.deinterleaved, "SSIL deinterleaved buffer"); + for (uint32_t i = 0; i < 4; i++) { + RID slice = RD::get_singleton()->texture_create_shared_from_slice(RD::TextureView(), p_ssil_buffers.deinterleaved, i, 0); + p_ssil_buffers.deinterleaved_slices.push_back(slice); + RD::get_singleton()->set_resource_name(slice, "SSIL deinterleaved buffer array " + itos(i) + " "); + } + } + + { + RD::TextureFormat tf; + tf.format = RD::DATA_FORMAT_R16G16B16A16_SFLOAT; + tf.texture_type = RD::TEXTURE_TYPE_2D_ARRAY; + tf.width = p_ssil_buffers.buffer_width; + tf.height = p_ssil_buffers.buffer_height; + tf.array_layers = 4; + tf.usage_bits = RD::TEXTURE_USAGE_SAMPLING_BIT | RD::TEXTURE_USAGE_STORAGE_BIT; + p_ssil_buffers.pong = RD::get_singleton()->texture_create(tf, RD::TextureView()); + RD::get_singleton()->set_resource_name(p_ssil_buffers.pong, "SSIL deinterleaved pong buffer"); + for (uint32_t i = 0; i < 4; i++) { + RID slice = RD::get_singleton()->texture_create_shared_from_slice(RD::TextureView(), p_ssil_buffers.pong, i, 0); + p_ssil_buffers.pong_slices.push_back(slice); + RD::get_singleton()->set_resource_name(slice, "SSIL deinterleaved buffer pong array " + itos(i) + " "); + } + } + + { + RD::TextureFormat tf; + tf.format = RD::DATA_FORMAT_R8_UNORM; + tf.texture_type = RD::TEXTURE_TYPE_2D_ARRAY; + tf.width = p_ssil_buffers.buffer_width; + tf.height = p_ssil_buffers.buffer_height; + tf.array_layers = 4; + tf.usage_bits = RD::TEXTURE_USAGE_SAMPLING_BIT | RD::TEXTURE_USAGE_STORAGE_BIT; + p_ssil_buffers.edges = RD::get_singleton()->texture_create(tf, RD::TextureView()); + RD::get_singleton()->set_resource_name(p_ssil_buffers.edges, "SSIL edges buffer"); + for (uint32_t i = 0; i < 4; i++) { + RID slice = RD::get_singleton()->texture_create_shared_from_slice(RD::TextureView(), p_ssil_buffers.edges, i, 0); + p_ssil_buffers.edges_slices.push_back(slice); + RD::get_singleton()->set_resource_name(slice, "SSIL edges buffer slice " + itos(i) + " "); + } + } + + { + RD::TextureFormat tf; + tf.format = RD::DATA_FORMAT_R8_UNORM; + tf.width = p_ssil_buffers.half_buffer_width; + tf.height = p_ssil_buffers.half_buffer_height; + tf.usage_bits = RD::TEXTURE_USAGE_SAMPLING_BIT | RD::TEXTURE_USAGE_STORAGE_BIT; + p_ssil_buffers.importance_map[0] = RD::get_singleton()->texture_create(tf, RD::TextureView()); + RD::get_singleton()->set_resource_name(p_ssil_buffers.importance_map[0], "SSIL Importance Map"); + p_ssil_buffers.importance_map[1] = RD::get_singleton()->texture_create(tf, RD::TextureView()); + RD::get_singleton()->set_resource_name(p_ssil_buffers.importance_map[1], "SSIL Importance Map Pong"); + } + p_ssil_buffers.half_size = p_settings.half_size; + } +} + +void SSEffects::screen_space_indirect_lighting(SSILRenderBuffers &p_ssil_buffers, RID p_normal_buffer, const CameraMatrix &p_projection, const CameraMatrix &p_last_projection, const SSILSettings &p_settings) { + UniformSetCacheRD *uniform_set_cache = UniformSetCacheRD::get_singleton(); + ERR_FAIL_NULL(uniform_set_cache); + MaterialStorage *material_storage = MaterialStorage::get_singleton(); + ERR_FAIL_NULL(material_storage); + + RD::get_singleton()->draw_command_begin_label("Process Screen Space Indirect Lighting"); + //Store projection info before starting the compute list + SSILProjectionUniforms projection_uniforms; + store_camera(p_last_projection, projection_uniforms.inv_last_frame_projection_matrix); + + RD::get_singleton()->buffer_update(ssil.projection_uniform_buffer, 0, sizeof(SSILProjectionUniforms), &projection_uniforms); + + memset(&ssil.gather_push_constant, 0, sizeof(SSILGatherPushConstant)); + + RID shader = ssil.gather_shader.version_get_shader(ssil.gather_shader_version, 0); + RID default_sampler = material_storage->sampler_rd_get_default(RS::CANVAS_ITEM_TEXTURE_FILTER_LINEAR, RS::CANVAS_ITEM_TEXTURE_REPEAT_DISABLED); + RID default_mipmap_sampler = material_storage->sampler_rd_get_default(RS::CANVAS_ITEM_TEXTURE_FILTER_LINEAR_WITH_MIPMAPS, RS::CANVAS_ITEM_TEXTURE_REPEAT_DISABLED); + + RD::ComputeListID compute_list = RD::get_singleton()->compute_list_begin(); + { + RD::get_singleton()->draw_command_begin_label("Gather Samples"); + ssil.gather_push_constant.screen_size[0] = p_settings.full_screen_size.x; + ssil.gather_push_constant.screen_size[1] = p_settings.full_screen_size.y; + + ssil.gather_push_constant.half_screen_pixel_size[0] = 1.0 / p_ssil_buffers.buffer_width; + ssil.gather_push_constant.half_screen_pixel_size[1] = 1.0 / p_ssil_buffers.buffer_height; + float tan_half_fov_x = 1.0 / p_projection.matrix[0][0]; + float tan_half_fov_y = 1.0 / p_projection.matrix[1][1]; + ssil.gather_push_constant.NDC_to_view_mul[0] = tan_half_fov_x * 2.0; + ssil.gather_push_constant.NDC_to_view_mul[1] = tan_half_fov_y * -2.0; + ssil.gather_push_constant.NDC_to_view_add[0] = tan_half_fov_x * -1.0; + ssil.gather_push_constant.NDC_to_view_add[1] = tan_half_fov_y; + ssil.gather_push_constant.z_near = p_projection.get_z_near(); + ssil.gather_push_constant.z_far = p_projection.get_z_far(); + ssil.gather_push_constant.is_orthogonal = p_projection.is_orthogonal(); + + ssil.gather_push_constant.half_screen_pixel_size_x025[0] = ssil.gather_push_constant.half_screen_pixel_size[0] * 0.25; + ssil.gather_push_constant.half_screen_pixel_size_x025[1] = ssil.gather_push_constant.half_screen_pixel_size[1] * 0.25; + + ssil.gather_push_constant.radius = p_settings.radius; + float radius_near_limit = (p_settings.radius * 1.2f); + if (p_settings.quality <= RS::ENV_SSIL_QUALITY_LOW) { + radius_near_limit *= 1.50f; + + if (p_settings.quality == RS::ENV_SSIL_QUALITY_VERY_LOW) { + ssil.gather_push_constant.radius *= 0.8f; + } + } + radius_near_limit /= tan_half_fov_y; + ssil.gather_push_constant.intensity = p_settings.intensity * Math_PI; + ssil.gather_push_constant.fade_out_mul = -1.0 / (p_settings.fadeout_to - p_settings.fadeout_from); + ssil.gather_push_constant.fade_out_add = p_settings.fadeout_from / (p_settings.fadeout_to - p_settings.fadeout_from) + 1.0; + ssil.gather_push_constant.inv_radius_near_limit = 1.0f / radius_near_limit; + ssil.gather_push_constant.neg_inv_radius = -1.0 / ssil.gather_push_constant.radius; + ssil.gather_push_constant.normal_rejection_amount = p_settings.normal_rejection; + + ssil.gather_push_constant.load_counter_avg_div = 9.0 / float((p_ssil_buffers.half_buffer_width) * (p_ssil_buffers.half_buffer_height) * 255); + ssil.gather_push_constant.adaptive_sample_limit = p_settings.adaptive_target; + + ssil.gather_push_constant.quality = MAX(0, p_settings.quality - 1); + ssil.gather_push_constant.size_multiplier = p_settings.half_size ? 2 : 1; + + if (p_ssil_buffers.projection_uniform_set.is_null()) { + Vector<RD::Uniform> uniforms; + { + RD::Uniform u; + u.uniform_type = RD::UNIFORM_TYPE_SAMPLER_WITH_TEXTURE; + u.binding = 0; + u.append_id(default_mipmap_sampler); + u.append_id(p_ssil_buffers.last_frame); + uniforms.push_back(u); + } + { + RD::Uniform u; + u.uniform_type = RD::UNIFORM_TYPE_UNIFORM_BUFFER; + u.binding = 1; + u.append_id(ssil.projection_uniform_buffer); + uniforms.push_back(u); + } + p_ssil_buffers.projection_uniform_set = RD::get_singleton()->uniform_set_create(uniforms, ssil.gather_shader.version_get_shader(ssil.gather_shader_version, 0), 3); + } + + if (p_ssil_buffers.gather_uniform_set.is_null()) { + Vector<RD::Uniform> uniforms; + { + RD::Uniform u; + u.uniform_type = RD::UNIFORM_TYPE_SAMPLER_WITH_TEXTURE; + u.binding = 0; + u.append_id(default_sampler); + u.append_id(p_ssil_buffers.depth_texture_view); + uniforms.push_back(u); + } + { + RD::Uniform u; + u.uniform_type = RD::UNIFORM_TYPE_IMAGE; + u.binding = 1; + u.append_id(p_normal_buffer); + uniforms.push_back(u); + } + { + RD::Uniform u; + u.uniform_type = RD::UNIFORM_TYPE_UNIFORM_BUFFER; + u.binding = 2; + u.append_id(ss_effects.gather_constants_buffer); + uniforms.push_back(u); + } + p_ssil_buffers.gather_uniform_set = RD::get_singleton()->uniform_set_create(uniforms, ssil.gather_shader.version_get_shader(ssil.gather_shader_version, 0), 0); + } + + if (p_ssil_buffers.importance_map_uniform_set.is_null()) { + Vector<RD::Uniform> uniforms; + { + RD::Uniform u; + u.uniform_type = RD::UNIFORM_TYPE_IMAGE; + u.binding = 0; + u.append_id(p_ssil_buffers.pong); + uniforms.push_back(u); + } + { + RD::Uniform u; + u.uniform_type = RD::UNIFORM_TYPE_SAMPLER_WITH_TEXTURE; + u.binding = 1; + u.append_id(default_sampler); + u.append_id(p_ssil_buffers.importance_map[0]); + uniforms.push_back(u); + } + { + RD::Uniform u; + u.uniform_type = RD::UNIFORM_TYPE_STORAGE_BUFFER; + u.binding = 2; + u.append_id(ssil.importance_map_load_counter); + uniforms.push_back(u); + } + p_ssil_buffers.importance_map_uniform_set = RD::get_singleton()->uniform_set_create(uniforms, ssil.gather_shader.version_get_shader(ssil.gather_shader_version, 2), 1); + } + + if (p_settings.quality == RS::ENV_SSIL_QUALITY_ULTRA) { + RD::get_singleton()->draw_command_begin_label("Generate Importance Map"); + ssil.importance_map_push_constant.half_screen_pixel_size[0] = 1.0 / p_ssil_buffers.buffer_width; + ssil.importance_map_push_constant.half_screen_pixel_size[1] = 1.0 / p_ssil_buffers.buffer_height; + ssil.importance_map_push_constant.intensity = p_settings.intensity * Math_PI; + //base pass + RD::get_singleton()->compute_list_bind_compute_pipeline(compute_list, ssil.pipelines[SSIL_GATHER_BASE]); + gather_ssil(compute_list, p_ssil_buffers.pong_slices, p_ssil_buffers.edges_slices, p_settings, true, p_ssil_buffers.gather_uniform_set, p_ssil_buffers.importance_map_uniform_set, p_ssil_buffers.projection_uniform_set); + + //generate importance map + RD::Uniform u_ssil_pong_with_sampler(RD::UNIFORM_TYPE_SAMPLER_WITH_TEXTURE, 0, Vector<RID>({ default_sampler, p_ssil_buffers.pong })); + RD::Uniform u_importance_map(RD::UNIFORM_TYPE_IMAGE, 0, Vector<RID>({ p_ssil_buffers.importance_map[0] })); + + RD::get_singleton()->compute_list_bind_compute_pipeline(compute_list, ssil.pipelines[SSIL_GENERATE_IMPORTANCE_MAP]); + RD::get_singleton()->compute_list_bind_uniform_set(compute_list, uniform_set_cache->get_cache(shader, 0, u_ssil_pong_with_sampler), 0); + RD::get_singleton()->compute_list_bind_uniform_set(compute_list, uniform_set_cache->get_cache(shader, 1, u_importance_map), 1); + RD::get_singleton()->compute_list_set_push_constant(compute_list, &ssil.importance_map_push_constant, sizeof(SSILImportanceMapPushConstant)); + RD::get_singleton()->compute_list_dispatch_threads(compute_list, p_ssil_buffers.half_buffer_width, p_ssil_buffers.half_buffer_height, 1); + RD::get_singleton()->compute_list_add_barrier(compute_list); + + // process Importance Map A + RD::Uniform u_importance_map_with_sampler(RD::UNIFORM_TYPE_SAMPLER_WITH_TEXTURE, 0, Vector<RID>({ default_sampler, p_ssil_buffers.importance_map[0] })); + RD::Uniform u_importance_map_pong(RD::UNIFORM_TYPE_IMAGE, 0, Vector<RID>({ p_ssil_buffers.importance_map[1] })); + + RD::get_singleton()->compute_list_bind_compute_pipeline(compute_list, ssil.pipelines[SSIL_PROCESS_IMPORTANCE_MAPA]); + RD::get_singleton()->compute_list_bind_uniform_set(compute_list, uniform_set_cache->get_cache(shader, 0, u_importance_map_with_sampler), 0); + RD::get_singleton()->compute_list_bind_uniform_set(compute_list, uniform_set_cache->get_cache(shader, 1, u_importance_map_pong), 1); + RD::get_singleton()->compute_list_set_push_constant(compute_list, &ssil.importance_map_push_constant, sizeof(SSILImportanceMapPushConstant)); + RD::get_singleton()->compute_list_dispatch_threads(compute_list, p_ssil_buffers.half_buffer_width, p_ssil_buffers.half_buffer_height, 1); + RD::get_singleton()->compute_list_add_barrier(compute_list); + + // process Importance Map B + RD::Uniform u_importance_map_pong_with_sampler(RD::UNIFORM_TYPE_SAMPLER_WITH_TEXTURE, 0, Vector<RID>({ default_sampler, p_ssil_buffers.importance_map[1] })); + + RD::get_singleton()->compute_list_bind_compute_pipeline(compute_list, ssil.pipelines[SSIL_PROCESS_IMPORTANCE_MAPB]); + RD::get_singleton()->compute_list_bind_uniform_set(compute_list, uniform_set_cache->get_cache(shader, 0, u_importance_map_pong_with_sampler), 0); + RD::get_singleton()->compute_list_bind_uniform_set(compute_list, uniform_set_cache->get_cache(shader, 1, u_importance_map), 1); + RD::get_singleton()->compute_list_bind_uniform_set(compute_list, ssil.counter_uniform_set, 2); + RD::get_singleton()->compute_list_set_push_constant(compute_list, &ssil.importance_map_push_constant, sizeof(SSILImportanceMapPushConstant)); + RD::get_singleton()->compute_list_dispatch_threads(compute_list, p_ssil_buffers.half_buffer_width, p_ssil_buffers.half_buffer_height, 1); + RD::get_singleton()->compute_list_add_barrier(compute_list); + + RD::get_singleton()->draw_command_end_label(); // Importance Map + + RD::get_singleton()->compute_list_bind_compute_pipeline(compute_list, ssil.pipelines[SSIL_GATHER_ADAPTIVE]); + } else { + RD::get_singleton()->compute_list_bind_compute_pipeline(compute_list, ssil.pipelines[SSIL_GATHER]); + } + + gather_ssil(compute_list, p_ssil_buffers.deinterleaved_slices, p_ssil_buffers.edges_slices, p_settings, false, p_ssil_buffers.gather_uniform_set, p_ssil_buffers.importance_map_uniform_set, p_ssil_buffers.projection_uniform_set); + RD::get_singleton()->draw_command_end_label(); //Gather + } + + { + RD::get_singleton()->draw_command_begin_label("Edge Aware Blur"); + ssil.blur_push_constant.edge_sharpness = 1.0 - p_settings.sharpness; + ssil.blur_push_constant.half_screen_pixel_size[0] = 1.0 / p_ssil_buffers.buffer_width; + ssil.blur_push_constant.half_screen_pixel_size[1] = 1.0 / p_ssil_buffers.buffer_height; + + int blur_passes = p_settings.quality > RS::ENV_SSIL_QUALITY_VERY_LOW ? p_settings.blur_passes : 1; + + shader = ssil.blur_shader.version_get_shader(ssil.blur_shader_version, 0); + + for (int pass = 0; pass < blur_passes; pass++) { + int blur_pipeline = SSIL_BLUR_PASS; + if (p_settings.quality > RS::ENV_SSIL_QUALITY_VERY_LOW) { + blur_pipeline = SSIL_BLUR_PASS_SMART; + if (pass < blur_passes - 2) { + blur_pipeline = SSIL_BLUR_PASS_WIDE; + } + } + + for (int i = 0; i < 4; i++) { + if ((p_settings.quality == RS::ENV_SSIL_QUALITY_VERY_LOW) && ((i == 1) || (i == 2))) { + continue; + } + + RD::get_singleton()->compute_list_bind_compute_pipeline(compute_list, ssil.pipelines[blur_pipeline]); + if (pass % 2 == 0) { + if (p_settings.quality == RS::ENV_SSIL_QUALITY_VERY_LOW) { + RD::Uniform u_ssil_slice(RD::UNIFORM_TYPE_SAMPLER_WITH_TEXTURE, 0, Vector<RID>({ default_sampler, p_ssil_buffers.deinterleaved_slices[i] })); + RD::get_singleton()->compute_list_bind_uniform_set(compute_list, uniform_set_cache->get_cache(shader, 0, u_ssil_slice), 0); + } else { + RD::Uniform u_ssil_slice(RD::UNIFORM_TYPE_SAMPLER_WITH_TEXTURE, 0, Vector<RID>({ ss_effects.mirror_sampler, p_ssil_buffers.deinterleaved_slices[i] })); + RD::get_singleton()->compute_list_bind_uniform_set(compute_list, uniform_set_cache->get_cache(shader, 0, u_ssil_slice), 0); + } + + RD::Uniform u_ssil_pong_slice(RD::UNIFORM_TYPE_IMAGE, 0, Vector<RID>({ p_ssil_buffers.pong_slices[i] })); + RD::get_singleton()->compute_list_bind_uniform_set(compute_list, uniform_set_cache->get_cache(shader, 1, u_ssil_pong_slice), 1); + } else { + if (p_settings.quality == RS::ENV_SSIL_QUALITY_VERY_LOW) { + RD::Uniform u_ssil_pong_slice(RD::UNIFORM_TYPE_SAMPLER_WITH_TEXTURE, 0, Vector<RID>({ default_sampler, p_ssil_buffers.pong_slices[i] })); + RD::get_singleton()->compute_list_bind_uniform_set(compute_list, uniform_set_cache->get_cache(shader, 0, u_ssil_pong_slice), 0); + } else { + RD::Uniform u_ssil_pong_slice(RD::UNIFORM_TYPE_SAMPLER_WITH_TEXTURE, 0, Vector<RID>({ ss_effects.mirror_sampler, p_ssil_buffers.pong_slices[i] })); + RD::get_singleton()->compute_list_bind_uniform_set(compute_list, uniform_set_cache->get_cache(shader, 0, u_ssil_pong_slice), 0); + } + + RD::Uniform u_ssil_slice(RD::UNIFORM_TYPE_IMAGE, 0, Vector<RID>({ p_ssil_buffers.deinterleaved_slices[i] })); + RD::get_singleton()->compute_list_bind_uniform_set(compute_list, uniform_set_cache->get_cache(shader, 1, u_ssil_slice), 1); + } + + RD::Uniform u_edges_slice(RD::UNIFORM_TYPE_IMAGE, 0, Vector<RID>({ p_ssil_buffers.edges_slices[i] })); + RD::get_singleton()->compute_list_bind_uniform_set(compute_list, uniform_set_cache->get_cache(shader, 2, u_edges_slice), 2); + + RD::get_singleton()->compute_list_set_push_constant(compute_list, &ssil.blur_push_constant, sizeof(SSILBlurPushConstant)); + + int x_groups = (p_settings.full_screen_size.x >> (p_settings.half_size ? 2 : 1)); + int y_groups = (p_settings.full_screen_size.y >> (p_settings.half_size ? 2 : 1)); + + RD::get_singleton()->compute_list_dispatch_threads(compute_list, x_groups, y_groups, 1); + if (p_settings.quality > RS::ENV_SSIL_QUALITY_VERY_LOW) { + RD::get_singleton()->compute_list_add_barrier(compute_list); + } + } + } + + RD::get_singleton()->draw_command_end_label(); // Blur + } + + { + RD::get_singleton()->draw_command_begin_label("Interleave Buffers"); + ssil.interleave_push_constant.inv_sharpness = 1.0 - p_settings.sharpness; + ssil.interleave_push_constant.pixel_size[0] = 1.0 / p_settings.full_screen_size.x; + ssil.interleave_push_constant.pixel_size[1] = 1.0 / p_settings.full_screen_size.y; + ssil.interleave_push_constant.size_modifier = uint32_t(p_settings.half_size ? 4 : 2); + + int interleave_pipeline = SSIL_INTERLEAVE_HALF; + if (p_settings.quality == RS::ENV_SSIL_QUALITY_LOW) { + interleave_pipeline = SSIL_INTERLEAVE; + } else if (p_settings.quality >= RS::ENV_SSIL_QUALITY_MEDIUM) { + interleave_pipeline = SSIL_INTERLEAVE_SMART; + } + + shader = ssil.interleave_shader.version_get_shader(ssil.interleave_shader_version, 0); + + RD::get_singleton()->compute_list_bind_compute_pipeline(compute_list, ssil.pipelines[interleave_pipeline]); + + RD::Uniform u_destination(RD::UNIFORM_TYPE_IMAGE, 0, Vector<RID>({ p_ssil_buffers.ssil_final })); + RD::get_singleton()->compute_list_bind_uniform_set(compute_list, uniform_set_cache->get_cache(shader, 0, u_destination), 0); + + if (p_settings.quality > RS::ENV_SSIL_QUALITY_VERY_LOW && p_settings.blur_passes % 2 == 0) { + RD::Uniform u_ssil(RD::UNIFORM_TYPE_SAMPLER_WITH_TEXTURE, 0, Vector<RID>({ default_sampler, p_ssil_buffers.deinterleaved })); + RD::get_singleton()->compute_list_bind_uniform_set(compute_list, uniform_set_cache->get_cache(shader, 1, u_ssil), 1); + } else { + RD::Uniform u_ssil_pong(RD::UNIFORM_TYPE_SAMPLER_WITH_TEXTURE, 0, Vector<RID>({ default_sampler, p_ssil_buffers.pong })); + RD::get_singleton()->compute_list_bind_uniform_set(compute_list, uniform_set_cache->get_cache(shader, 1, u_ssil_pong), 1); + } + + RD::Uniform u_edges(RD::UNIFORM_TYPE_IMAGE, 0, Vector<RID>({ p_ssil_buffers.edges })); + RD::get_singleton()->compute_list_bind_uniform_set(compute_list, uniform_set_cache->get_cache(shader, 2, u_edges), 2); + + RD::get_singleton()->compute_list_set_push_constant(compute_list, &ssil.interleave_push_constant, sizeof(SSILInterleavePushConstant)); + + RD::get_singleton()->compute_list_dispatch_threads(compute_list, p_settings.full_screen_size.x, p_settings.full_screen_size.y, 1); + RD::get_singleton()->compute_list_add_barrier(compute_list); + RD::get_singleton()->draw_command_end_label(); // Interleave + } + + RD::get_singleton()->draw_command_end_label(); // SSIL + + RD::get_singleton()->compute_list_end(RD::BARRIER_MASK_NO_BARRIER); + + int zero[1] = { 0 }; + RD::get_singleton()->buffer_update(ssil.importance_map_load_counter, 0, sizeof(uint32_t), &zero, 0); //no barrier +} + +void SSEffects::ssil_free(SSILRenderBuffers &p_ssil_buffers) { + if (p_ssil_buffers.ssil_final.is_valid()) { + RD::get_singleton()->free(p_ssil_buffers.ssil_final); + RD::get_singleton()->free(p_ssil_buffers.deinterleaved); + RD::get_singleton()->free(p_ssil_buffers.pong); + RD::get_singleton()->free(p_ssil_buffers.edges); + RD::get_singleton()->free(p_ssil_buffers.importance_map[0]); + RD::get_singleton()->free(p_ssil_buffers.importance_map[1]); + RD::get_singleton()->free(p_ssil_buffers.last_frame); + + p_ssil_buffers.ssil_final = RID(); + p_ssil_buffers.deinterleaved = RID(); + p_ssil_buffers.pong = RID(); + p_ssil_buffers.edges = RID(); + p_ssil_buffers.deinterleaved_slices.clear(); + p_ssil_buffers.pong_slices.clear(); + p_ssil_buffers.edges_slices.clear(); + p_ssil_buffers.importance_map[0] = RID(); + p_ssil_buffers.importance_map[1] = RID(); + p_ssil_buffers.last_frame = RID(); + p_ssil_buffers.last_frame_slices.clear(); + + p_ssil_buffers.gather_uniform_set = RID(); + p_ssil_buffers.importance_map_uniform_set = RID(); + p_ssil_buffers.projection_uniform_set = RID(); + } +} + +/* SSAO */ + +void SSEffects::gather_ssao(RD::ComputeListID p_compute_list, const Vector<RID> p_ao_slices, const SSAOSettings &p_settings, bool p_adaptive_base_pass, RID p_gather_uniform_set, RID p_importance_map_uniform_set) { + UniformSetCacheRD *uniform_set_cache = UniformSetCacheRD::get_singleton(); + ERR_FAIL_NULL(uniform_set_cache); + + RD::get_singleton()->compute_list_bind_uniform_set(p_compute_list, p_gather_uniform_set, 0); + if ((p_settings.quality == RS::ENV_SSAO_QUALITY_ULTRA) && !p_adaptive_base_pass) { + RD::get_singleton()->compute_list_bind_uniform_set(p_compute_list, p_importance_map_uniform_set, 0); + } + + RID shader = ssao.gather_shader.version_get_shader(ssao.gather_shader_version, 1); // + + for (int i = 0; i < 4; i++) { + if ((p_settings.quality == RS::ENV_SSAO_QUALITY_VERY_LOW) && ((i == 1) || (i == 2))) { + continue; + } + + RD::Uniform u_ao_slice(RD::UNIFORM_TYPE_IMAGE, 0, Vector<RID>({ p_ao_slices[i] })); + + ssao.gather_push_constant.pass_coord_offset[0] = i % 2; + ssao.gather_push_constant.pass_coord_offset[1] = i / 2; + ssao.gather_push_constant.pass_uv_offset[0] = ((i % 2) - 0.0) / p_settings.full_screen_size.x; + ssao.gather_push_constant.pass_uv_offset[1] = ((i / 2) - 0.0) / p_settings.full_screen_size.y; + ssao.gather_push_constant.pass = i; + RD::get_singleton()->compute_list_bind_uniform_set(p_compute_list, uniform_set_cache->get_cache(shader, 2, u_ao_slice), 2); + RD::get_singleton()->compute_list_set_push_constant(p_compute_list, &ssao.gather_push_constant, sizeof(SSAOGatherPushConstant)); + + Size2i size = Size2i(p_settings.full_screen_size.x >> (p_settings.half_size ? 2 : 1), p_settings.full_screen_size.y >> (p_settings.half_size ? 2 : 1)); + + RD::get_singleton()->compute_list_dispatch_threads(p_compute_list, size.x, size.y, 1); + } + RD::get_singleton()->compute_list_add_barrier(p_compute_list); +} + +void SSEffects::ssao_allocate_buffers(SSAORenderBuffers &p_ssao_buffers, const SSAOSettings &p_settings, RID p_linear_depth) { + if (p_ssao_buffers.half_size != p_settings.half_size) { + ssao_free(p_ssao_buffers); + } + + if (p_settings.half_size) { + p_ssao_buffers.buffer_width = (p_settings.full_screen_size.x + 3) / 4; + p_ssao_buffers.buffer_height = (p_settings.full_screen_size.y + 3) / 4; + p_ssao_buffers.half_buffer_width = (p_settings.full_screen_size.x + 7) / 8; + p_ssao_buffers.half_buffer_height = (p_settings.full_screen_size.y + 7) / 8; + } else { + p_ssao_buffers.buffer_width = (p_settings.full_screen_size.x + 1) / 2; + p_ssao_buffers.buffer_height = (p_settings.full_screen_size.y + 1) / 2; + p_ssao_buffers.half_buffer_width = (p_settings.full_screen_size.x + 3) / 4; + p_ssao_buffers.half_buffer_height = (p_settings.full_screen_size.y + 3) / 4; + } + + if (p_ssao_buffers.ao_deinterleaved.is_null()) { + { + p_ssao_buffers.depth_texture_view = RD::get_singleton()->texture_create_shared_from_slice(RD::TextureView(), p_linear_depth, 0, p_settings.half_size ? 1 : 0, 4, RD::TEXTURE_SLICE_2D_ARRAY); + } + { + RD::TextureFormat tf; + tf.format = RD::DATA_FORMAT_R8G8_UNORM; + tf.texture_type = RD::TEXTURE_TYPE_2D_ARRAY; + tf.width = p_ssao_buffers.buffer_width; + tf.height = p_ssao_buffers.buffer_height; + tf.array_layers = 4; + tf.usage_bits = RD::TEXTURE_USAGE_SAMPLING_BIT | RD::TEXTURE_USAGE_STORAGE_BIT; + p_ssao_buffers.ao_deinterleaved = RD::get_singleton()->texture_create(tf, RD::TextureView()); + RD::get_singleton()->set_resource_name(p_ssao_buffers.ao_deinterleaved, "SSAO De-interleaved Array"); + for (uint32_t i = 0; i < 4; i++) { + RID slice = RD::get_singleton()->texture_create_shared_from_slice(RD::TextureView(), p_ssao_buffers.ao_deinterleaved, i, 0); + p_ssao_buffers.ao_deinterleaved_slices.push_back(slice); + RD::get_singleton()->set_resource_name(slice, "SSAO De-interleaved Array Layer " + itos(i) + " "); + } + } + + { + RD::TextureFormat tf; + tf.format = RD::DATA_FORMAT_R8G8_UNORM; + tf.texture_type = RD::TEXTURE_TYPE_2D_ARRAY; + tf.width = p_ssao_buffers.buffer_width; + tf.height = p_ssao_buffers.buffer_height; + tf.array_layers = 4; + tf.usage_bits = RD::TEXTURE_USAGE_SAMPLING_BIT | RD::TEXTURE_USAGE_STORAGE_BIT; + p_ssao_buffers.ao_pong = RD::get_singleton()->texture_create(tf, RD::TextureView()); + RD::get_singleton()->set_resource_name(p_ssao_buffers.ao_pong, "SSAO De-interleaved Array Pong"); + for (uint32_t i = 0; i < 4; i++) { + RID slice = RD::get_singleton()->texture_create_shared_from_slice(RD::TextureView(), p_ssao_buffers.ao_pong, i, 0); + p_ssao_buffers.ao_pong_slices.push_back(slice); + RD::get_singleton()->set_resource_name(slice, "SSAO De-interleaved Array Layer " + itos(i) + " Pong"); + } + } + + { + RD::TextureFormat tf; + tf.format = RD::DATA_FORMAT_R8_UNORM; + tf.width = p_ssao_buffers.buffer_width; + tf.height = p_ssao_buffers.buffer_height; + tf.usage_bits = RD::TEXTURE_USAGE_SAMPLING_BIT | RD::TEXTURE_USAGE_STORAGE_BIT; + p_ssao_buffers.importance_map[0] = RD::get_singleton()->texture_create(tf, RD::TextureView()); + RD::get_singleton()->set_resource_name(p_ssao_buffers.importance_map[0], "SSAO Importance Map"); + p_ssao_buffers.importance_map[1] = RD::get_singleton()->texture_create(tf, RD::TextureView()); + RD::get_singleton()->set_resource_name(p_ssao_buffers.importance_map[1], "SSAO Importance Map Pong"); + } + { + RD::TextureFormat tf; + tf.format = RD::DATA_FORMAT_R8_UNORM; + tf.width = p_settings.full_screen_size.x; + tf.height = p_settings.full_screen_size.y; + tf.usage_bits = RD::TEXTURE_USAGE_SAMPLING_BIT | RD::TEXTURE_USAGE_STORAGE_BIT; + p_ssao_buffers.ao_final = RD::get_singleton()->texture_create(tf, RD::TextureView()); + RD::get_singleton()->set_resource_name(p_ssao_buffers.ao_final, "SSAO Final"); + } + p_ssao_buffers.half_size = p_settings.half_size; + } +} + +void SSEffects::generate_ssao(SSAORenderBuffers &p_ssao_buffers, RID p_normal_buffer, const CameraMatrix &p_projection, const SSAOSettings &p_settings) { + UniformSetCacheRD *uniform_set_cache = UniformSetCacheRD::get_singleton(); + ERR_FAIL_NULL(uniform_set_cache); + MaterialStorage *material_storage = MaterialStorage::get_singleton(); + ERR_FAIL_NULL(material_storage); + + RD::ComputeListID compute_list = RD::get_singleton()->compute_list_begin(); + memset(&ssao.gather_push_constant, 0, sizeof(SSAOGatherPushConstant)); + /* FIRST PASS */ + + RID shader = ssao.gather_shader.version_get_shader(ssao.gather_shader_version, 0); + RID default_sampler = material_storage->sampler_rd_get_default(RS::CANVAS_ITEM_TEXTURE_FILTER_LINEAR, RS::CANVAS_ITEM_TEXTURE_REPEAT_DISABLED); + + RD::get_singleton()->draw_command_begin_label("Process Screen Space Ambient Occlusion"); + /* SECOND PASS */ + // Sample SSAO + { + RD::get_singleton()->draw_command_begin_label("Gather Samples"); + ssao.gather_push_constant.screen_size[0] = p_settings.full_screen_size.x; + ssao.gather_push_constant.screen_size[1] = p_settings.full_screen_size.y; + + ssao.gather_push_constant.half_screen_pixel_size[0] = 1.0 / p_ssao_buffers.buffer_width; + ssao.gather_push_constant.half_screen_pixel_size[1] = 1.0 / p_ssao_buffers.buffer_height; + float tan_half_fov_x = 1.0 / p_projection.matrix[0][0]; + float tan_half_fov_y = 1.0 / p_projection.matrix[1][1]; + ssao.gather_push_constant.NDC_to_view_mul[0] = tan_half_fov_x * 2.0; + ssao.gather_push_constant.NDC_to_view_mul[1] = tan_half_fov_y * -2.0; + ssao.gather_push_constant.NDC_to_view_add[0] = tan_half_fov_x * -1.0; + ssao.gather_push_constant.NDC_to_view_add[1] = tan_half_fov_y; + ssao.gather_push_constant.is_orthogonal = p_projection.is_orthogonal(); + + ssao.gather_push_constant.half_screen_pixel_size_x025[0] = ssao.gather_push_constant.half_screen_pixel_size[0] * 0.25; + ssao.gather_push_constant.half_screen_pixel_size_x025[1] = ssao.gather_push_constant.half_screen_pixel_size[1] * 0.25; + + ssao.gather_push_constant.radius = p_settings.radius; + float radius_near_limit = (p_settings.radius * 1.2f); + if (p_settings.quality <= RS::ENV_SSAO_QUALITY_LOW) { + radius_near_limit *= 1.50f; + + if (p_settings.quality == RS::ENV_SSAO_QUALITY_VERY_LOW) { + ssao.gather_push_constant.radius *= 0.8f; + } + } + radius_near_limit /= tan_half_fov_y; + ssao.gather_push_constant.intensity = p_settings.intensity; + ssao.gather_push_constant.shadow_power = p_settings.power; + ssao.gather_push_constant.shadow_clamp = 0.98; + ssao.gather_push_constant.fade_out_mul = -1.0 / (p_settings.fadeout_to - p_settings.fadeout_from); + ssao.gather_push_constant.fade_out_add = p_settings.fadeout_from / (p_settings.fadeout_to - p_settings.fadeout_from) + 1.0; + ssao.gather_push_constant.horizon_angle_threshold = p_settings.horizon; + ssao.gather_push_constant.inv_radius_near_limit = 1.0f / radius_near_limit; + ssao.gather_push_constant.neg_inv_radius = -1.0 / ssao.gather_push_constant.radius; + + ssao.gather_push_constant.load_counter_avg_div = 9.0 / float((p_ssao_buffers.half_buffer_width) * (p_ssao_buffers.half_buffer_height) * 255); + ssao.gather_push_constant.adaptive_sample_limit = p_settings.adaptive_target; + + ssao.gather_push_constant.detail_intensity = p_settings.detail; + ssao.gather_push_constant.quality = MAX(0, p_settings.quality - 1); + ssao.gather_push_constant.size_multiplier = p_settings.half_size ? 2 : 1; + + if (p_ssao_buffers.gather_uniform_set.is_null()) { + Vector<RD::Uniform> uniforms; + { + RD::Uniform u; + u.uniform_type = RD::UNIFORM_TYPE_SAMPLER_WITH_TEXTURE; + u.binding = 0; + u.append_id(default_sampler); + u.append_id(p_ssao_buffers.depth_texture_view); + uniforms.push_back(u); + } + { + RD::Uniform u; + u.uniform_type = RD::UNIFORM_TYPE_IMAGE; + u.binding = 1; + u.append_id(p_normal_buffer); + uniforms.push_back(u); + } + { + RD::Uniform u; + u.uniform_type = RD::UNIFORM_TYPE_UNIFORM_BUFFER; + u.binding = 2; + u.append_id(ss_effects.gather_constants_buffer); + uniforms.push_back(u); + } + p_ssao_buffers.gather_uniform_set = RD::get_singleton()->uniform_set_create(uniforms, shader, 0); + RD::get_singleton()->set_resource_name(p_ssao_buffers.gather_uniform_set, "SSAO Gather Uniform Set"); + } + + if (p_ssao_buffers.importance_map_uniform_set.is_null()) { + Vector<RD::Uniform> uniforms; + { + RD::Uniform u; + u.uniform_type = RD::UNIFORM_TYPE_IMAGE; + u.binding = 0; + u.append_id(p_ssao_buffers.ao_pong); + uniforms.push_back(u); + } + { + RD::Uniform u; + u.uniform_type = RD::UNIFORM_TYPE_SAMPLER_WITH_TEXTURE; + u.binding = 1; + u.append_id(default_sampler); + u.append_id(p_ssao_buffers.importance_map[0]); + uniforms.push_back(u); + } + { + RD::Uniform u; + u.uniform_type = RD::UNIFORM_TYPE_STORAGE_BUFFER; + u.binding = 2; + u.append_id(ssao.importance_map_load_counter); + uniforms.push_back(u); + } + p_ssao_buffers.importance_map_uniform_set = RD::get_singleton()->uniform_set_create(uniforms, ssao.gather_shader.version_get_shader(ssao.gather_shader_version, 2), 1); + RD::get_singleton()->set_resource_name(p_ssao_buffers.importance_map_uniform_set, "SSAO Importance Map Uniform Set"); + } + + if (p_settings.quality == RS::ENV_SSAO_QUALITY_ULTRA) { + RD::get_singleton()->draw_command_begin_label("Generate Importance Map"); + ssao.importance_map_push_constant.half_screen_pixel_size[0] = 1.0 / p_ssao_buffers.buffer_width; + ssao.importance_map_push_constant.half_screen_pixel_size[1] = 1.0 / p_ssao_buffers.buffer_height; + ssao.importance_map_push_constant.intensity = p_settings.intensity; + ssao.importance_map_push_constant.power = p_settings.power; + + //base pass + RD::get_singleton()->compute_list_bind_compute_pipeline(compute_list, ssao.pipelines[SSAO_GATHER_BASE]); + gather_ssao(compute_list, p_ssao_buffers.ao_pong_slices, p_settings, true, p_ssao_buffers.gather_uniform_set, RID()); + + //generate importance map + RD::get_singleton()->compute_list_bind_compute_pipeline(compute_list, ssao.pipelines[SSAO_GENERATE_IMPORTANCE_MAP]); + + RD::Uniform u_ao_pong_with_sampler(RD::UNIFORM_TYPE_SAMPLER_WITH_TEXTURE, 0, Vector<RID>({ default_sampler, p_ssao_buffers.ao_pong })); + RD::get_singleton()->compute_list_bind_uniform_set(compute_list, uniform_set_cache->get_cache(shader, 0, u_ao_pong_with_sampler), 0); + + RD::Uniform u_importance_map(RD::UNIFORM_TYPE_IMAGE, 0, Vector<RID>({ p_ssao_buffers.importance_map[0] })); + RD::get_singleton()->compute_list_bind_uniform_set(compute_list, uniform_set_cache->get_cache(shader, 1, u_importance_map), 1); + + RD::get_singleton()->compute_list_set_push_constant(compute_list, &ssao.importance_map_push_constant, sizeof(SSAOImportanceMapPushConstant)); + RD::get_singleton()->compute_list_dispatch_threads(compute_list, p_ssao_buffers.half_buffer_width, p_ssao_buffers.half_buffer_height, 1); + RD::get_singleton()->compute_list_add_barrier(compute_list); + + //process importance map A + RD::get_singleton()->compute_list_bind_compute_pipeline(compute_list, ssao.pipelines[SSAO_PROCESS_IMPORTANCE_MAPA]); + + RD::Uniform u_importance_map_with_sampler(RD::UNIFORM_TYPE_SAMPLER_WITH_TEXTURE, 0, Vector<RID>({ default_sampler, p_ssao_buffers.importance_map[0] })); + RD::get_singleton()->compute_list_bind_uniform_set(compute_list, uniform_set_cache->get_cache(shader, 0, u_importance_map_with_sampler), 0); + + RD::Uniform u_importance_map_pong(RD::UNIFORM_TYPE_IMAGE, 0, Vector<RID>({ p_ssao_buffers.importance_map[1] })); + RD::get_singleton()->compute_list_bind_uniform_set(compute_list, uniform_set_cache->get_cache(shader, 1, u_importance_map_pong), 1); + + RD::get_singleton()->compute_list_set_push_constant(compute_list, &ssao.importance_map_push_constant, sizeof(SSAOImportanceMapPushConstant)); + RD::get_singleton()->compute_list_dispatch_threads(compute_list, p_ssao_buffers.half_buffer_width, p_ssao_buffers.half_buffer_height, 1); + RD::get_singleton()->compute_list_add_barrier(compute_list); + + //process Importance Map B + RD::get_singleton()->compute_list_bind_compute_pipeline(compute_list, ssao.pipelines[SSAO_PROCESS_IMPORTANCE_MAPB]); + + RD::Uniform u_importance_map_pong_with_sampler(RD::UNIFORM_TYPE_SAMPLER_WITH_TEXTURE, 0, Vector<RID>({ default_sampler, p_ssao_buffers.importance_map[1] })); + RD::get_singleton()->compute_list_bind_uniform_set(compute_list, uniform_set_cache->get_cache(shader, 0, u_importance_map_pong_with_sampler), 0); + + RD::get_singleton()->compute_list_bind_uniform_set(compute_list, uniform_set_cache->get_cache(shader, 1, u_importance_map), 1); + RD::get_singleton()->compute_list_bind_uniform_set(compute_list, ssao.counter_uniform_set, 2); + RD::get_singleton()->compute_list_set_push_constant(compute_list, &ssao.importance_map_push_constant, sizeof(SSAOImportanceMapPushConstant)); + RD::get_singleton()->compute_list_dispatch_threads(compute_list, p_ssao_buffers.half_buffer_width, p_ssao_buffers.half_buffer_height, 1); + RD::get_singleton()->compute_list_add_barrier(compute_list); + + RD::get_singleton()->compute_list_bind_compute_pipeline(compute_list, ssao.pipelines[SSAO_GATHER_ADAPTIVE]); + RD::get_singleton()->draw_command_end_label(); // Importance Map + } else { + RD::get_singleton()->compute_list_bind_compute_pipeline(compute_list, ssao.pipelines[SSAO_GATHER]); + } + + gather_ssao(compute_list, p_ssao_buffers.ao_deinterleaved_slices, p_settings, false, p_ssao_buffers.gather_uniform_set, p_ssao_buffers.importance_map_uniform_set); + RD::get_singleton()->draw_command_end_label(); // Gather SSAO + } + + // /* THIRD PASS */ + // // Blur + // + { + RD::get_singleton()->draw_command_begin_label("Edge Aware Blur"); + ssao.blur_push_constant.edge_sharpness = 1.0 - p_settings.sharpness; + ssao.blur_push_constant.half_screen_pixel_size[0] = 1.0 / p_ssao_buffers.buffer_width; + ssao.blur_push_constant.half_screen_pixel_size[1] = 1.0 / p_ssao_buffers.buffer_height; + + int blur_passes = p_settings.quality > RS::ENV_SSAO_QUALITY_VERY_LOW ? p_settings.blur_passes : 1; + + shader = ssao.blur_shader.version_get_shader(ssao.blur_shader_version, 0); + + for (int pass = 0; pass < blur_passes; pass++) { + int blur_pipeline = SSAO_BLUR_PASS; + if (p_settings.quality > RS::ENV_SSAO_QUALITY_VERY_LOW) { + blur_pipeline = SSAO_BLUR_PASS_SMART; + if (pass < blur_passes - 2) { + blur_pipeline = SSAO_BLUR_PASS_WIDE; + } else { + blur_pipeline = SSAO_BLUR_PASS_SMART; + } + } + + for (int i = 0; i < 4; i++) { + if ((p_settings.quality == RS::ENV_SSAO_QUALITY_VERY_LOW) && ((i == 1) || (i == 2))) { + continue; + } + + RD::get_singleton()->compute_list_bind_compute_pipeline(compute_list, ssao.pipelines[blur_pipeline]); + if (pass % 2 == 0) { + if (p_settings.quality == RS::ENV_SSAO_QUALITY_VERY_LOW) { + RD::Uniform u_ao_slices_with_sampler(RD::UNIFORM_TYPE_SAMPLER_WITH_TEXTURE, 0, Vector<RID>({ default_sampler, p_ssao_buffers.ao_deinterleaved_slices[i] })); + RD::get_singleton()->compute_list_bind_uniform_set(compute_list, uniform_set_cache->get_cache(shader, 0, u_ao_slices_with_sampler), 0); + } else { + RD::Uniform u_ao_slices_with_sampler(RD::UNIFORM_TYPE_SAMPLER_WITH_TEXTURE, 0, Vector<RID>({ ss_effects.mirror_sampler, p_ssao_buffers.ao_deinterleaved_slices[i] })); + RD::get_singleton()->compute_list_bind_uniform_set(compute_list, uniform_set_cache->get_cache(shader, 0, u_ao_slices_with_sampler), 0); + } + + RD::Uniform u_ao_pong_slices(RD::UNIFORM_TYPE_IMAGE, 0, Vector<RID>({ p_ssao_buffers.ao_pong_slices[i] })); + RD::get_singleton()->compute_list_bind_uniform_set(compute_list, uniform_set_cache->get_cache(shader, 1, u_ao_pong_slices), 1); + } else { + if (p_settings.quality == RS::ENV_SSAO_QUALITY_VERY_LOW) { + RD::Uniform u_ao_pong_slices_with_sampler(RD::UNIFORM_TYPE_SAMPLER_WITH_TEXTURE, 0, Vector<RID>({ default_sampler, p_ssao_buffers.ao_pong_slices[i] })); + RD::get_singleton()->compute_list_bind_uniform_set(compute_list, uniform_set_cache->get_cache(shader, 0, u_ao_pong_slices_with_sampler), 0); + } else { + RD::Uniform u_ao_pong_slices_with_sampler(RD::UNIFORM_TYPE_SAMPLER_WITH_TEXTURE, 0, Vector<RID>({ ss_effects.mirror_sampler, p_ssao_buffers.ao_pong_slices[i] })); + RD::get_singleton()->compute_list_bind_uniform_set(compute_list, uniform_set_cache->get_cache(shader, 0, u_ao_pong_slices_with_sampler), 0); + } + + RD::Uniform u_ao_slices(RD::UNIFORM_TYPE_IMAGE, 0, Vector<RID>({ p_ssao_buffers.ao_deinterleaved_slices[i] })); + RD::get_singleton()->compute_list_bind_uniform_set(compute_list, uniform_set_cache->get_cache(shader, 1, u_ao_slices), 1); + } + RD::get_singleton()->compute_list_set_push_constant(compute_list, &ssao.blur_push_constant, sizeof(SSAOBlurPushConstant)); + + Size2i size(p_settings.full_screen_size.x >> (p_settings.half_size ? 2 : 1), p_settings.full_screen_size.y >> (p_settings.half_size ? 2 : 1)); + RD::get_singleton()->compute_list_dispatch_threads(compute_list, size.x, size.y, 1); + } + + if (p_settings.quality > RS::ENV_SSAO_QUALITY_VERY_LOW) { + RD::get_singleton()->compute_list_add_barrier(compute_list); + } + } + RD::get_singleton()->draw_command_end_label(); // Blur + } + + /* FOURTH PASS */ + // Interleave buffers + // back to full size + { + RD::get_singleton()->draw_command_begin_label("Interleave Buffers"); + ssao.interleave_push_constant.inv_sharpness = 1.0 - p_settings.sharpness; + ssao.interleave_push_constant.pixel_size[0] = 1.0 / p_settings.full_screen_size.x; + ssao.interleave_push_constant.pixel_size[1] = 1.0 / p_settings.full_screen_size.y; + ssao.interleave_push_constant.size_modifier = uint32_t(p_settings.half_size ? 4 : 2); + + shader = ssao.interleave_shader.version_get_shader(ssao.interleave_shader_version, 0); + + int interleave_pipeline = SSAO_INTERLEAVE_HALF; + if (p_settings.quality == RS::ENV_SSAO_QUALITY_LOW) { + interleave_pipeline = SSAO_INTERLEAVE; + } else if (p_settings.quality >= RS::ENV_SSAO_QUALITY_MEDIUM) { + interleave_pipeline = SSAO_INTERLEAVE_SMART; + } + + RD::get_singleton()->compute_list_bind_compute_pipeline(compute_list, ssao.pipelines[interleave_pipeline]); + + RD::Uniform u_upscale_buffer(RD::UNIFORM_TYPE_IMAGE, 0, Vector<RID>({ p_ssao_buffers.ao_final })); + RD::get_singleton()->compute_list_bind_uniform_set(compute_list, uniform_set_cache->get_cache(shader, 0, u_upscale_buffer), 0); + + if (p_settings.quality > RS::ENV_SSAO_QUALITY_VERY_LOW && p_settings.blur_passes % 2 == 0) { + RD::Uniform u_ao(RD::UNIFORM_TYPE_SAMPLER_WITH_TEXTURE, 0, Vector<RID>({ default_sampler, p_ssao_buffers.ao_deinterleaved })); + RD::get_singleton()->compute_list_bind_uniform_set(compute_list, uniform_set_cache->get_cache(shader, 1, u_ao), 1); + } else { + RD::Uniform u_ao(RD::UNIFORM_TYPE_SAMPLER_WITH_TEXTURE, 0, Vector<RID>({ default_sampler, p_ssao_buffers.ao_pong })); + RD::get_singleton()->compute_list_bind_uniform_set(compute_list, uniform_set_cache->get_cache(shader, 1, u_ao), 1); + } + + RD::get_singleton()->compute_list_set_push_constant(compute_list, &ssao.interleave_push_constant, sizeof(SSAOInterleavePushConstant)); + + RD::get_singleton()->compute_list_dispatch_threads(compute_list, p_settings.full_screen_size.x, p_settings.full_screen_size.y, 1); + RD::get_singleton()->compute_list_add_barrier(compute_list); + RD::get_singleton()->draw_command_end_label(); // Interleave + } + RD::get_singleton()->draw_command_end_label(); //SSAO + RD::get_singleton()->compute_list_end(RD::BARRIER_MASK_NO_BARRIER); //wait for upcoming transfer + + int zero[1] = { 0 }; + RD::get_singleton()->buffer_update(ssao.importance_map_load_counter, 0, sizeof(uint32_t), &zero, 0); //no barrier +} + +void SSEffects::ssao_free(SSAORenderBuffers &p_ssao_buffers) { + if (p_ssao_buffers.ao_final.is_valid()) { + RD::get_singleton()->free(p_ssao_buffers.ao_deinterleaved); + RD::get_singleton()->free(p_ssao_buffers.ao_pong); + RD::get_singleton()->free(p_ssao_buffers.ao_final); + + RD::get_singleton()->free(p_ssao_buffers.importance_map[0]); + RD::get_singleton()->free(p_ssao_buffers.importance_map[1]); + + p_ssao_buffers.ao_deinterleaved = RID(); + p_ssao_buffers.ao_pong = RID(); + p_ssao_buffers.ao_final = RID(); + p_ssao_buffers.importance_map[0] = RID(); + p_ssao_buffers.importance_map[1] = RID(); + p_ssao_buffers.ao_deinterleaved_slices.clear(); + p_ssao_buffers.ao_pong_slices.clear(); + + p_ssao_buffers.gather_uniform_set = RID(); + p_ssao_buffers.importance_map_uniform_set = RID(); + } +} + +/* Screen Space Reflection */ + +void SSEffects::ssr_allocate_buffers(SSRRenderBuffers &p_ssr_buffers, const RenderingDevice::DataFormat p_color_format, RenderingServer::EnvironmentSSRRoughnessQuality p_roughness_quality, const Size2i &p_screen_size, const uint32_t p_view_count) { + // As we are processing one view at a time, we can reuse buffers, only our output needs to have layers for each view. + + if (p_ssr_buffers.depth_scaled.is_null()) { + RD::TextureFormat tf; + tf.format = RD::DATA_FORMAT_R32_SFLOAT; + tf.width = p_screen_size.x; + tf.height = p_screen_size.y; + tf.texture_type = RD::TEXTURE_TYPE_2D; + tf.array_layers = 1; + tf.usage_bits = RD::TEXTURE_USAGE_STORAGE_BIT; + + p_ssr_buffers.depth_scaled = RD::get_singleton()->texture_create(tf, RD::TextureView()); + RD::get_singleton()->set_resource_name(p_ssr_buffers.depth_scaled, "SSR Depth Scaled"); + + tf.format = RD::DATA_FORMAT_R8G8B8A8_UNORM; + + p_ssr_buffers.normal_scaled = RD::get_singleton()->texture_create(tf, RD::TextureView()); + RD::get_singleton()->set_resource_name(p_ssr_buffers.normal_scaled, "SSR Normal Scaled"); + } + + if (p_roughness_quality != RS::ENV_SSR_ROUGHNESS_QUALITY_DISABLED && !p_ssr_buffers.blur_radius[0].is_valid()) { + RD::TextureFormat tf; + tf.format = RD::DATA_FORMAT_R8_UNORM; + tf.width = p_screen_size.x; + tf.height = p_screen_size.y; + tf.texture_type = RD::TEXTURE_TYPE_2D; + tf.array_layers = 1; + tf.usage_bits = RD::TEXTURE_USAGE_STORAGE_BIT | RD::TEXTURE_USAGE_SAMPLING_BIT; + + p_ssr_buffers.blur_radius[0] = RD::get_singleton()->texture_create(tf, RD::TextureView()); + RD::get_singleton()->set_resource_name(p_ssr_buffers.blur_radius[0], "SSR Blur Radius 0"); + p_ssr_buffers.blur_radius[1] = RD::get_singleton()->texture_create(tf, RD::TextureView()); + RD::get_singleton()->set_resource_name(p_ssr_buffers.blur_radius[1], "SSR Blur Radius 1"); + } + + if (p_ssr_buffers.intermediate.is_null()) { + RD::TextureFormat tf; + tf.format = p_color_format; + tf.width = p_screen_size.x; + tf.height = p_screen_size.y; + tf.texture_type = RD::TEXTURE_TYPE_2D; + tf.array_layers = 1; + tf.usage_bits = RD::TEXTURE_USAGE_SAMPLING_BIT | RD::TEXTURE_USAGE_CAN_COPY_TO_BIT | RD::TEXTURE_USAGE_STORAGE_BIT; + + p_ssr_buffers.intermediate = RD::get_singleton()->texture_create(tf, RD::TextureView()); + RD::get_singleton()->set_resource_name(p_ssr_buffers.intermediate, "SSR Intermediate"); + + if (p_view_count > 1) { + tf.texture_type = RD::TEXTURE_TYPE_2D_ARRAY; + tf.array_layers = p_view_count; + } else { + tf.texture_type = RD::TEXTURE_TYPE_2D; + tf.array_layers = 1; + } + + p_ssr_buffers.output = RD::get_singleton()->texture_create(tf, RD::TextureView()); + RD::get_singleton()->set_resource_name(p_ssr_buffers.output, "SSR Output"); + + for (uint32_t v = 0; v < p_view_count; v++) { + p_ssr_buffers.output_slices[v] = RD::get_singleton()->texture_create_shared_from_slice(RD::TextureView(), p_ssr_buffers.output, v, 0); + } + } +} + +void SSEffects::screen_space_reflection(SSRRenderBuffers &p_ssr_buffers, const RID *p_diffuse_slices, const RID *p_normal_roughness_slices, RenderingServer::EnvironmentSSRRoughnessQuality p_roughness_quality, const RID *p_metallic_slices, const Color &p_metallic_mask, const RID *p_depth_slices, const Size2i &p_screen_size, int p_max_steps, float p_fade_in, float p_fade_out, float p_tolerance, const uint32_t p_view_count, const CameraMatrix *p_projections, const Vector3 *p_eye_offsets) { + UniformSetCacheRD *uniform_set_cache = UniformSetCacheRD::get_singleton(); + ERR_FAIL_NULL(uniform_set_cache); + MaterialStorage *material_storage = MaterialStorage::get_singleton(); + ERR_FAIL_NULL(material_storage); + + RID default_sampler = material_storage->sampler_rd_get_default(RS::CANVAS_ITEM_TEXTURE_FILTER_LINEAR, RS::CANVAS_ITEM_TEXTURE_REPEAT_DISABLED); + + { + // Store some scene data in a UBO, in the near future we will use a UBO shared with other shaders + ScreenSpaceReflectionSceneData scene_data; + + if (ssr.ubo.is_null()) { + ssr.ubo = RD::get_singleton()->uniform_buffer_create(sizeof(ScreenSpaceReflectionSceneData)); + } + + for (uint32_t v = 0; v < p_view_count; v++) { + store_camera(p_projections[v], scene_data.projection[v]); + store_camera(p_projections[v].inverse(), scene_data.inv_projection[v]); + scene_data.eye_offset[v][0] = p_eye_offsets[v].x; + scene_data.eye_offset[v][1] = p_eye_offsets[v].y; + scene_data.eye_offset[v][2] = p_eye_offsets[v].z; + scene_data.eye_offset[v][3] = 0.0; + } + + RD::get_singleton()->buffer_update(ssr.ubo, 0, sizeof(ScreenSpaceReflectionSceneData), &scene_data, RD::BARRIER_MASK_COMPUTE); + } + + uint32_t pipeline_specialization = 0; + if (p_view_count > 1) { + pipeline_specialization |= SSR_MULTIVIEW; + } + + RD::ComputeListID compute_list = RD::get_singleton()->compute_list_begin(); + + for (uint32_t v = 0; v < p_view_count; v++) { + RD::get_singleton()->draw_command_begin_label(String("SSR View ") + itos(v)); + + { //scale color and depth to half + RD::get_singleton()->draw_command_begin_label("SSR Scale"); + + ScreenSpaceReflectionScalePushConstant push_constant; + push_constant.view_index = v; + push_constant.camera_z_far = p_projections[v].get_z_far(); + push_constant.camera_z_near = p_projections[v].get_z_near(); + push_constant.orthogonal = p_projections[v].is_orthogonal(); + push_constant.filter = false; //enabling causes arctifacts + push_constant.screen_size[0] = p_screen_size.x; + push_constant.screen_size[1] = p_screen_size.y; + + RID shader = ssr_scale.shader.version_get_shader(ssr_scale.shader_version, 0); + + RD::get_singleton()->compute_list_bind_compute_pipeline(compute_list, ssr_scale.pipelines[pipeline_specialization]); + + RD::Uniform u_diffuse(RD::UNIFORM_TYPE_SAMPLER_WITH_TEXTURE, 0, Vector<RID>({ default_sampler, p_diffuse_slices[v] })); + RD::get_singleton()->compute_list_bind_uniform_set(compute_list, uniform_set_cache->get_cache(shader, 0, u_diffuse), 0); + + RD::Uniform u_depth(RD::UNIFORM_TYPE_SAMPLER_WITH_TEXTURE, 0, Vector<RID>({ default_sampler, p_depth_slices[v] })); + RD::Uniform u_normal_roughness(RD::UNIFORM_TYPE_SAMPLER_WITH_TEXTURE, 1, Vector<RID>({ default_sampler, p_normal_roughness_slices[v] })); + RD::get_singleton()->compute_list_bind_uniform_set(compute_list, uniform_set_cache->get_cache(shader, 1, u_depth, u_normal_roughness), 1); + + RD::Uniform u_output_blur(RD::UNIFORM_TYPE_IMAGE, 0, Vector<RID>({ p_ssr_buffers.output_slices[v] })); + RD::get_singleton()->compute_list_bind_uniform_set(compute_list, uniform_set_cache->get_cache(shader, 2, u_output_blur), 2); + + RD::Uniform u_scale_depth(RD::UNIFORM_TYPE_IMAGE, 0, Vector<RID>({ p_ssr_buffers.depth_scaled })); + RD::Uniform u_scale_normal(RD::UNIFORM_TYPE_IMAGE, 1, Vector<RID>({ p_ssr_buffers.normal_scaled })); + RD::get_singleton()->compute_list_bind_uniform_set(compute_list, uniform_set_cache->get_cache(shader, 3, u_scale_depth, u_scale_normal), 3); + + RD::get_singleton()->compute_list_set_push_constant(compute_list, &push_constant, sizeof(ScreenSpaceReflectionScalePushConstant)); + RD::get_singleton()->compute_list_dispatch_threads(compute_list, p_screen_size.width, p_screen_size.height, 1); + + RD::get_singleton()->compute_list_add_barrier(compute_list); + + RD::get_singleton()->draw_command_end_label(); + } + + { + RD::get_singleton()->draw_command_begin_label("SSR main"); + + ScreenSpaceReflectionPushConstant push_constant; + push_constant.view_index = v; + push_constant.camera_z_far = p_projections[v].get_z_far(); + push_constant.camera_z_near = p_projections[v].get_z_near(); + push_constant.orthogonal = p_projections[v].is_orthogonal(); + push_constant.screen_size[0] = p_screen_size.x; + push_constant.screen_size[1] = p_screen_size.y; + push_constant.curve_fade_in = p_fade_in; + push_constant.distance_fade = p_fade_out; + push_constant.num_steps = p_max_steps; + push_constant.depth_tolerance = p_tolerance; + push_constant.use_half_res = true; + push_constant.proj_info[0] = -2.0f / (p_screen_size.width * p_projections[v].matrix[0][0]); + push_constant.proj_info[1] = -2.0f / (p_screen_size.height * p_projections[v].matrix[1][1]); + push_constant.proj_info[2] = (1.0f - p_projections[v].matrix[0][2]) / p_projections[v].matrix[0][0]; + push_constant.proj_info[3] = (1.0f + p_projections[v].matrix[1][2]) / p_projections[v].matrix[1][1]; + push_constant.metallic_mask[0] = CLAMP(p_metallic_mask.r * 255.0, 0, 255); + push_constant.metallic_mask[1] = CLAMP(p_metallic_mask.g * 255.0, 0, 255); + push_constant.metallic_mask[2] = CLAMP(p_metallic_mask.b * 255.0, 0, 255); + push_constant.metallic_mask[3] = CLAMP(p_metallic_mask.a * 255.0, 0, 255); + + ScreenSpaceReflectionMode mode = (p_roughness_quality != RS::ENV_SSR_ROUGHNESS_QUALITY_DISABLED) ? SCREEN_SPACE_REFLECTION_ROUGH : SCREEN_SPACE_REFLECTION_NORMAL; + RID shader = ssr.shader.version_get_shader(ssr.shader_version, mode); + + RD::get_singleton()->compute_list_bind_compute_pipeline(compute_list, ssr.pipelines[pipeline_specialization][mode]); + + RD::Uniform u_scene_data(RD::UNIFORM_TYPE_UNIFORM_BUFFER, 0, ssr.ubo); + RD::get_singleton()->compute_list_bind_uniform_set(compute_list, uniform_set_cache->get_cache(shader, 4, u_scene_data), 4); + + RD::Uniform u_output_blur(RD::UNIFORM_TYPE_IMAGE, 0, Vector<RID>({ p_ssr_buffers.output_slices[v] })); + RD::Uniform u_scale_depth(RD::UNIFORM_TYPE_IMAGE, 1, Vector<RID>({ p_ssr_buffers.depth_scaled })); + RD::get_singleton()->compute_list_bind_uniform_set(compute_list, uniform_set_cache->get_cache(shader, 0, u_output_blur, u_scale_depth), 0); + + if (p_roughness_quality != RS::ENV_SSR_ROUGHNESS_QUALITY_DISABLED) { + RD::Uniform u_intermediate(RD::UNIFORM_TYPE_IMAGE, 0, Vector<RID>({ p_ssr_buffers.intermediate })); + RD::Uniform u_blur_radius(RD::UNIFORM_TYPE_IMAGE, 1, Vector<RID>({ p_ssr_buffers.blur_radius[0] })); + RD::get_singleton()->compute_list_bind_uniform_set(compute_list, uniform_set_cache->get_cache(shader, 1, u_intermediate, u_blur_radius), 1); + } else { + RD::Uniform u_intermediate(RD::UNIFORM_TYPE_IMAGE, 0, Vector<RID>({ p_ssr_buffers.intermediate })); + RD::get_singleton()->compute_list_bind_uniform_set(compute_list, uniform_set_cache->get_cache(shader, 1, u_intermediate), 1); + } + + RD::Uniform u_scale_normal(RD::UNIFORM_TYPE_IMAGE, 0, Vector<RID>({ p_ssr_buffers.normal_scaled })); + RD::get_singleton()->compute_list_bind_uniform_set(compute_list, uniform_set_cache->get_cache(shader, 2, u_scale_normal), 2); + + RD::Uniform u_metallic(RD::UNIFORM_TYPE_SAMPLER_WITH_TEXTURE, 0, Vector<RID>({ default_sampler, p_metallic_slices[v] })); + RD::get_singleton()->compute_list_bind_uniform_set(compute_list, uniform_set_cache->get_cache(shader, 3, u_metallic), 3); + + RD::get_singleton()->compute_list_set_push_constant(compute_list, &push_constant, sizeof(ScreenSpaceReflectionPushConstant)); + RD::get_singleton()->compute_list_dispatch_threads(compute_list, p_screen_size.width, p_screen_size.height, 1); + + RD::get_singleton()->draw_command_end_label(); + } + + if (p_roughness_quality != RS::ENV_SSR_ROUGHNESS_QUALITY_DISABLED) { + RD::get_singleton()->draw_command_begin_label("SSR filter"); + //blur + + RD::get_singleton()->compute_list_add_barrier(compute_list); + + ScreenSpaceReflectionFilterPushConstant push_constant; + push_constant.view_index = v; + push_constant.orthogonal = p_projections[v].is_orthogonal(); + push_constant.edge_tolerance = Math::sin(Math::deg2rad(15.0)); + push_constant.proj_info[0] = -2.0f / (p_screen_size.width * p_projections[v].matrix[0][0]); + push_constant.proj_info[1] = -2.0f / (p_screen_size.height * p_projections[v].matrix[1][1]); + push_constant.proj_info[2] = (1.0f - p_projections[v].matrix[0][2]) / p_projections[v].matrix[0][0]; + push_constant.proj_info[3] = (1.0f + p_projections[v].matrix[1][2]) / p_projections[v].matrix[1][1]; + push_constant.vertical = 0; + if (p_roughness_quality == RS::ENV_SSR_ROUGHNESS_QUALITY_LOW) { + push_constant.steps = p_max_steps / 3; + push_constant.increment = 3; + } else if (p_roughness_quality == RS::ENV_SSR_ROUGHNESS_QUALITY_MEDIUM) { + push_constant.steps = p_max_steps / 2; + push_constant.increment = 2; + } else { + push_constant.steps = p_max_steps; + push_constant.increment = 1; + } + + push_constant.screen_size[0] = p_screen_size.width; + push_constant.screen_size[1] = p_screen_size.height; + + // Horizontal pass + + SSRReflectionMode mode = SCREEN_SPACE_REFLECTION_FILTER_HORIZONTAL; + + RID shader = ssr_filter.shader.version_get_shader(ssr_filter.shader_version, mode); + + RD::get_singleton()->compute_list_bind_compute_pipeline(compute_list, ssr_filter.pipelines[pipeline_specialization][mode]); + + RD::Uniform u_scene_data(RD::UNIFORM_TYPE_UNIFORM_BUFFER, 0, ssr.ubo); + RD::get_singleton()->compute_list_bind_uniform_set(compute_list, uniform_set_cache->get_cache(shader, 4, u_scene_data), 4); + + RD::Uniform u_intermediate(RD::UNIFORM_TYPE_IMAGE, 0, Vector<RID>({ p_ssr_buffers.intermediate })); + RD::Uniform u_blur_radius(RD::UNIFORM_TYPE_IMAGE, 1, Vector<RID>({ p_ssr_buffers.blur_radius[0] })); + RD::get_singleton()->compute_list_bind_uniform_set(compute_list, uniform_set_cache->get_cache(shader, 0, u_intermediate, u_blur_radius), 0); + + RD::Uniform u_scale_normal(RD::UNIFORM_TYPE_IMAGE, 0, Vector<RID>({ p_ssr_buffers.normal_scaled })); + RD::get_singleton()->compute_list_bind_uniform_set(compute_list, uniform_set_cache->get_cache(shader, 1, u_scale_normal), 1); + + RD::Uniform u_output_blur(RD::UNIFORM_TYPE_IMAGE, 0, Vector<RID>({ p_ssr_buffers.output_slices[v] })); + RD::Uniform u_blur_radius2(RD::UNIFORM_TYPE_IMAGE, 1, Vector<RID>({ p_ssr_buffers.blur_radius[1] })); + RD::get_singleton()->compute_list_bind_uniform_set(compute_list, uniform_set_cache->get_cache(shader, 2, u_output_blur, u_blur_radius2), 2); + + RD::Uniform u_scale_depth(RD::UNIFORM_TYPE_IMAGE, 0, Vector<RID>({ p_ssr_buffers.depth_scaled })); + RD::get_singleton()->compute_list_bind_uniform_set(compute_list, uniform_set_cache->get_cache(shader, 3, u_scale_depth), 3); + + RD::get_singleton()->compute_list_set_push_constant(compute_list, &push_constant, sizeof(ScreenSpaceReflectionFilterPushConstant)); + RD::get_singleton()->compute_list_dispatch_threads(compute_list, p_screen_size.width, p_screen_size.height, 1); + RD::get_singleton()->compute_list_add_barrier(compute_list); + + // Vertical pass + + mode = SCREEN_SPACE_REFLECTION_FILTER_VERTICAL; + shader = ssr_filter.shader.version_get_shader(ssr_filter.shader_version, mode); + + RD::get_singleton()->compute_list_bind_compute_pipeline(compute_list, ssr_filter.pipelines[pipeline_specialization][mode]); + + push_constant.vertical = 1; + + RD::get_singleton()->compute_list_bind_uniform_set(compute_list, uniform_set_cache->get_cache(shader, 0, u_output_blur, u_blur_radius2), 0); + RD::get_singleton()->compute_list_bind_uniform_set(compute_list, uniform_set_cache->get_cache(shader, 1, u_scale_normal), 1); + RD::get_singleton()->compute_list_bind_uniform_set(compute_list, uniform_set_cache->get_cache(shader, 2, u_intermediate), 2); + RD::get_singleton()->compute_list_bind_uniform_set(compute_list, uniform_set_cache->get_cache(shader, 3, u_scale_depth), 3); + RD::get_singleton()->compute_list_bind_uniform_set(compute_list, uniform_set_cache->get_cache(shader, 4, u_scene_data), 4); + + RD::get_singleton()->compute_list_set_push_constant(compute_list, &push_constant, sizeof(ScreenSpaceReflectionFilterPushConstant)); + RD::get_singleton()->compute_list_dispatch_threads(compute_list, p_screen_size.width, p_screen_size.height, 1); + + if (v != p_view_count - 1) { + RD::get_singleton()->compute_list_add_barrier(compute_list); + } + + RD::get_singleton()->draw_command_end_label(); + } + + RD::get_singleton()->draw_command_end_label(); + } + + RD::get_singleton()->compute_list_end(); +} + +void SSEffects::ssr_free(SSRRenderBuffers &p_ssr_buffers) { + for (uint32_t v = 0; v < RendererSceneRender::MAX_RENDER_VIEWS; v++) { + p_ssr_buffers.output_slices[v] = RID(); + } + + if (p_ssr_buffers.output.is_valid()) { + RD::get_singleton()->free(p_ssr_buffers.output); + p_ssr_buffers.output = RID(); + } + + if (p_ssr_buffers.intermediate.is_valid()) { + RD::get_singleton()->free(p_ssr_buffers.intermediate); + p_ssr_buffers.intermediate = RID(); + } + + if (p_ssr_buffers.blur_radius[0].is_valid()) { + RD::get_singleton()->free(p_ssr_buffers.blur_radius[0]); + RD::get_singleton()->free(p_ssr_buffers.blur_radius[1]); + p_ssr_buffers.blur_radius[0] = RID(); + p_ssr_buffers.blur_radius[1] = RID(); + } + + if (p_ssr_buffers.depth_scaled.is_valid()) { + RD::get_singleton()->free(p_ssr_buffers.depth_scaled); + p_ssr_buffers.depth_scaled = RID(); + RD::get_singleton()->free(p_ssr_buffers.normal_scaled); + p_ssr_buffers.normal_scaled = RID(); + } +} diff --git a/servers/rendering/renderer_rd/effects/ss_effects.h b/servers/rendering/renderer_rd/effects/ss_effects.h new file mode 100644 index 0000000000..38b127aba6 --- /dev/null +++ b/servers/rendering/renderer_rd/effects/ss_effects.h @@ -0,0 +1,508 @@ +/*************************************************************************/ +/* ss_effects.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 SS_EFFECTS_RD_H +#define SS_EFFECTS_RD_H + +#include "servers/rendering/renderer_rd/pipeline_cache_rd.h" +#include "servers/rendering/renderer_rd/shaders/effects/screen_space_reflection.glsl.gen.h" +#include "servers/rendering/renderer_rd/shaders/effects/screen_space_reflection_filter.glsl.gen.h" +#include "servers/rendering/renderer_rd/shaders/effects/screen_space_reflection_scale.glsl.gen.h" +#include "servers/rendering/renderer_rd/shaders/effects/ss_effects_downsample.glsl.gen.h" +#include "servers/rendering/renderer_rd/shaders/effects/ssao.glsl.gen.h" +#include "servers/rendering/renderer_rd/shaders/effects/ssao_blur.glsl.gen.h" +#include "servers/rendering/renderer_rd/shaders/effects/ssao_importance_map.glsl.gen.h" +#include "servers/rendering/renderer_rd/shaders/effects/ssao_interleave.glsl.gen.h" +#include "servers/rendering/renderer_rd/shaders/effects/ssil.glsl.gen.h" +#include "servers/rendering/renderer_rd/shaders/effects/ssil_blur.glsl.gen.h" +#include "servers/rendering/renderer_rd/shaders/effects/ssil_importance_map.glsl.gen.h" +#include "servers/rendering/renderer_rd/shaders/effects/ssil_interleave.glsl.gen.h" +#include "servers/rendering/renderer_scene_render.h" +#include "servers/rendering_server.h" + +namespace RendererRD { + +class SSEffects { +private: + static SSEffects *singleton; + +public: + static SSEffects *get_singleton() { return singleton; } + + SSEffects(); + ~SSEffects(); + + /* SS Downsampler */ + + void downsample_depth(RID p_depth_buffer, const Vector<RID> &p_depth_mipmaps, RS::EnvironmentSSAOQuality p_ssao_quality, RS::EnvironmentSSILQuality p_ssil_quality, bool p_invalidate_uniform_set, bool p_ssao_half_size, bool p_ssil_half_size, Size2i p_full_screen_size, const CameraMatrix &p_projection); + + /* SSIL */ + + struct SSILRenderBuffers { + bool half_size = false; + int buffer_width; + int buffer_height; + int half_buffer_width; + int half_buffer_height; + + RID ssil_final; + RID deinterleaved; + Vector<RID> deinterleaved_slices; + RID pong; + Vector<RID> pong_slices; + RID edges; + Vector<RID> edges_slices; + RID importance_map[2]; + RID depth_texture_view; + + RID last_frame; + Vector<RID> last_frame_slices; + + RID gather_uniform_set; + RID importance_map_uniform_set; + RID projection_uniform_set; + }; + + struct SSILSettings { + float radius = 1.0; + float intensity = 2.0; + float sharpness = 0.98; + float normal_rejection = 1.0; + + RS::EnvironmentSSILQuality quality = RS::ENV_SSIL_QUALITY_MEDIUM; + bool half_size = true; + float adaptive_target = 0.5; + int blur_passes = 4; + float fadeout_from = 50.0; + float fadeout_to = 300.0; + + Size2i full_screen_size = Size2i(); + }; + + void ssil_allocate_buffers(SSILRenderBuffers &p_ssil_buffers, const SSILSettings &p_settings, RID p_linear_depth); + void screen_space_indirect_lighting(SSILRenderBuffers &p_ssil_buffers, RID p_normal_buffer, const CameraMatrix &p_projection, const CameraMatrix &p_last_projection, const SSILSettings &p_settings); + void ssil_free(SSILRenderBuffers &p_ssil_buffers); + + /* SSAO */ + + struct SSAORenderBuffers { + bool half_size = false; + int buffer_width; + int buffer_height; + int half_buffer_width; + int half_buffer_height; + + RID ao_deinterleaved; + Vector<RID> ao_deinterleaved_slices; + RID ao_pong; + Vector<RID> ao_pong_slices; + RID ao_final; + RID importance_map[2]; + RID depth_texture_view; + + RID gather_uniform_set; + RID importance_map_uniform_set; + }; + + struct SSAOSettings { + float radius = 1.0; + float intensity = 2.0; + float power = 1.5; + float detail = 0.5; + float horizon = 0.06; + float sharpness = 0.98; + + RS::EnvironmentSSAOQuality quality = RS::ENV_SSAO_QUALITY_MEDIUM; + bool half_size = false; + float adaptive_target = 0.5; + int blur_passes = 2; + float fadeout_from = 50.0; + float fadeout_to = 300.0; + + Size2i full_screen_size = Size2i(); + }; + + void ssao_allocate_buffers(SSAORenderBuffers &p_ssao_buffers, const SSAOSettings &p_settings, RID p_linear_depth); + void generate_ssao(SSAORenderBuffers &p_ssao_buffers, RID p_normal_buffer, const CameraMatrix &p_projection, const SSAOSettings &p_settings); + void ssao_free(SSAORenderBuffers &p_ssao_buffers); + + /* Screen Space Reflection */ + + struct SSRRenderBuffers { + RID normal_scaled; + RID depth_scaled; + RID blur_radius[2]; + RID intermediate; + RID output; + RID output_slices[RendererSceneRender::MAX_RENDER_VIEWS]; + }; + + void ssr_allocate_buffers(SSRRenderBuffers &p_ssr_buffers, const RenderingDevice::DataFormat p_color_format, RenderingServer::EnvironmentSSRRoughnessQuality p_roughness_quality, const Size2i &p_screen_size, const uint32_t p_view_count); + void screen_space_reflection(SSRRenderBuffers &p_ssr_buffers, const RID *p_diffuse_slices, const RID *p_normal_roughness_slices, RS::EnvironmentSSRRoughnessQuality p_roughness_quality, const RID *p_metallic_slices, const Color &p_metallic_mask, const RID *p_depth_slices, const Size2i &p_screen_size, int p_max_steps, float p_fade_in, float p_fade_out, float p_tolerance, const uint32_t p_view_count, const CameraMatrix *p_projections, const Vector3 *p_eye_offsets); + void ssr_free(SSRRenderBuffers &p_ssr_buffers); + +private: + /* SS Downsampler */ + + struct SSEffectsDownsamplePushConstant { + float pixel_size[2]; + float z_far; + float z_near; + uint32_t orthogonal; + float radius_sq; + uint32_t pad[2]; + }; + + enum SSEffectsMode { + SS_EFFECTS_DOWNSAMPLE, + SS_EFFECTS_DOWNSAMPLE_HALF_RES, + SS_EFFECTS_DOWNSAMPLE_MIPMAP, + SS_EFFECTS_DOWNSAMPLE_MIPMAP_HALF_RES, + SS_EFFECTS_DOWNSAMPLE_HALF, + SS_EFFECTS_DOWNSAMPLE_HALF_RES_HALF, + SS_EFFECTS_DOWNSAMPLE_FULL_MIPS, + SS_EFFECTS_MAX + }; + + struct SSEffectsGatherConstants { + float rotation_matrices[80]; //5 vec4s * 4 + }; + + struct SSEffectsShader { + SSEffectsDownsamplePushConstant downsample_push_constant; + SsEffectsDownsampleShaderRD downsample_shader; + RID downsample_shader_version; + RID downsample_uniform_set; + bool used_half_size_last_frame = false; + bool used_mips_last_frame = false; + bool used_full_mips_last_frame = false; + + RID gather_constants_buffer; + + RID mirror_sampler; + + RID pipelines[SS_EFFECTS_MAX]; + } ss_effects; + + /* SSIL */ + + enum SSILMode { + SSIL_GATHER, + SSIL_GATHER_BASE, + SSIL_GATHER_ADAPTIVE, + SSIL_GENERATE_IMPORTANCE_MAP, + SSIL_PROCESS_IMPORTANCE_MAPA, + SSIL_PROCESS_IMPORTANCE_MAPB, + SSIL_BLUR_PASS, + SSIL_BLUR_PASS_SMART, + SSIL_BLUR_PASS_WIDE, + SSIL_INTERLEAVE, + SSIL_INTERLEAVE_SMART, + SSIL_INTERLEAVE_HALF, + SSIL_MAX + }; + + struct SSILGatherPushConstant { + int32_t screen_size[2]; + int pass; + int quality; + + float half_screen_pixel_size[2]; + float half_screen_pixel_size_x025[2]; + + float NDC_to_view_mul[2]; + float NDC_to_view_add[2]; + + float pad2[2]; + float z_near; + float z_far; + + float radius; + float intensity; + int size_multiplier; + int pad; + + float fade_out_mul; + float fade_out_add; + float normal_rejection_amount; + float inv_radius_near_limit; + + uint32_t is_orthogonal; + float neg_inv_radius; + float load_counter_avg_div; + float adaptive_sample_limit; + + int32_t pass_coord_offset[2]; + float pass_uv_offset[2]; + }; + + struct SSILImportanceMapPushConstant { + float half_screen_pixel_size[2]; + float intensity; + float pad; + }; + + struct SSILBlurPushConstant { + float edge_sharpness; + float pad; + float half_screen_pixel_size[2]; + }; + + struct SSILInterleavePushConstant { + float inv_sharpness; + uint32_t size_modifier; + float pixel_size[2]; + }; + + struct SSILProjectionUniforms { + float inv_last_frame_projection_matrix[16]; + }; + + struct SSIL { + SSILGatherPushConstant gather_push_constant; + SsilShaderRD gather_shader; + RID gather_shader_version; + RID projection_uniform_buffer; + + SSILImportanceMapPushConstant importance_map_push_constant; + SsilImportanceMapShaderRD importance_map_shader; + RID importance_map_shader_version; + RID importance_map_load_counter; + RID counter_uniform_set; + + SSILBlurPushConstant blur_push_constant; + SsilBlurShaderRD blur_shader; + RID blur_shader_version; + + SSILInterleavePushConstant interleave_push_constant; + SsilInterleaveShaderRD interleave_shader; + RID interleave_shader_version; + + RID pipelines[SSIL_MAX]; + } ssil; + + void gather_ssil(RD::ComputeListID p_compute_list, const Vector<RID> p_ssil_slices, const Vector<RID> p_edges_slices, const SSILSettings &p_settings, bool p_adaptive_base_pass, RID p_gather_uniform_set, RID p_importance_map_uniform_set, RID p_projection_uniform_set); + + /* SSAO */ + + enum SSAOMode { + SSAO_GATHER, + SSAO_GATHER_BASE, + SSAO_GATHER_ADAPTIVE, + SSAO_GENERATE_IMPORTANCE_MAP, + SSAO_PROCESS_IMPORTANCE_MAPA, + SSAO_PROCESS_IMPORTANCE_MAPB, + SSAO_BLUR_PASS, + SSAO_BLUR_PASS_SMART, + SSAO_BLUR_PASS_WIDE, + SSAO_INTERLEAVE, + SSAO_INTERLEAVE_SMART, + SSAO_INTERLEAVE_HALF, + SSAO_MAX + }; + + struct SSAOGatherPushConstant { + int32_t screen_size[2]; + int pass; + int quality; + + float half_screen_pixel_size[2]; + int size_multiplier; + float detail_intensity; + + float NDC_to_view_mul[2]; + float NDC_to_view_add[2]; + + float pad[2]; + float half_screen_pixel_size_x025[2]; + + float radius; + float intensity; + float shadow_power; + float shadow_clamp; + + float fade_out_mul; + float fade_out_add; + float horizon_angle_threshold; + float inv_radius_near_limit; + + uint32_t is_orthogonal; + float neg_inv_radius; + float load_counter_avg_div; + float adaptive_sample_limit; + + int32_t pass_coord_offset[2]; + float pass_uv_offset[2]; + }; + + struct SSAOImportanceMapPushConstant { + float half_screen_pixel_size[2]; + float intensity; + float power; + }; + + struct SSAOBlurPushConstant { + float edge_sharpness; + float pad; + float half_screen_pixel_size[2]; + }; + + struct SSAOInterleavePushConstant { + float inv_sharpness; + uint32_t size_modifier; + float pixel_size[2]; + }; + + struct SSAO { + SSAOGatherPushConstant gather_push_constant; + SsaoShaderRD gather_shader; + RID gather_shader_version; + + SSAOImportanceMapPushConstant importance_map_push_constant; + SsaoImportanceMapShaderRD importance_map_shader; + RID importance_map_shader_version; + RID importance_map_load_counter; + RID counter_uniform_set; + + SSAOBlurPushConstant blur_push_constant; + SsaoBlurShaderRD blur_shader; + RID blur_shader_version; + + SSAOInterleavePushConstant interleave_push_constant; + SsaoInterleaveShaderRD interleave_shader; + RID interleave_shader_version; + + RID pipelines[SSAO_MAX]; + } ssao; + + void gather_ssao(RD::ComputeListID p_compute_list, const Vector<RID> p_ao_slices, const SSAOSettings &p_settings, bool p_adaptive_base_pass, RID p_gather_uniform_set, RID p_importance_map_uniform_set); + + /* Screen Space Reflection */ + + enum SSRShaderSpecializations { + SSR_MULTIVIEW = 1 << 0, + SSR_VARIATIONS = 2, + }; + + struct ScreenSpaceReflectionSceneData { + float projection[2][16]; + float inv_projection[2][16]; + float eye_offset[2][4]; + }; + + // SSR Scale + + struct ScreenSpaceReflectionScalePushConstant { + int32_t screen_size[2]; + float camera_z_near; + float camera_z_far; + + uint32_t orthogonal; + uint32_t filter; + uint32_t view_index; + uint32_t pad1; + }; + + struct ScreenSpaceReflectionScale { + ScreenSpaceReflectionScaleShaderRD shader; + RID shader_version; + RID pipelines[SSR_VARIATIONS]; + } ssr_scale; + + // SSR main + + enum ScreenSpaceReflectionMode { + SCREEN_SPACE_REFLECTION_NORMAL, + SCREEN_SPACE_REFLECTION_ROUGH, + SCREEN_SPACE_REFLECTION_MAX, + }; + + struct ScreenSpaceReflectionPushConstant { + float proj_info[4]; // 16 - 16 + + int32_t screen_size[2]; // 8 - 24 + float camera_z_near; // 4 - 28 + float camera_z_far; // 4 - 32 + + int32_t num_steps; // 4 - 36 + float depth_tolerance; // 4 - 40 + float distance_fade; // 4 - 44 + float curve_fade_in; // 4 - 48 + + uint32_t orthogonal; // 4 - 52 + float filter_mipmap_levels; // 4 - 56 + uint32_t use_half_res; // 4 - 60 + uint8_t metallic_mask[4]; // 4 - 64 + + uint32_t view_index; // 4 - 68 + uint32_t pad[3]; // 12 - 80 + + // float projection[16]; // this is in our ScreenSpaceReflectionSceneData now + }; + + struct ScreenSpaceReflection { + ScreenSpaceReflectionShaderRD shader; + RID shader_version; + RID pipelines[SSR_VARIATIONS][SCREEN_SPACE_REFLECTION_MAX]; + + RID ubo; + } ssr; + + // SSR Filter + + struct ScreenSpaceReflectionFilterPushConstant { + float proj_info[4]; // 16 - 16 + + uint32_t orthogonal; // 4 - 20 + float edge_tolerance; // 4 - 24 + int32_t increment; // 4 - 28 + uint32_t view_index; // 4 - 32 + + int32_t screen_size[2]; // 8 - 40 + uint32_t vertical; // 4 - 44 + uint32_t steps; // 4 - 48 + }; + + enum SSRReflectionMode { + SCREEN_SPACE_REFLECTION_FILTER_HORIZONTAL, + SCREEN_SPACE_REFLECTION_FILTER_VERTICAL, + SCREEN_SPACE_REFLECTION_FILTER_MAX, + }; + + struct ScreenSpaceReflectionFilter { + ScreenSpaceReflectionFilterShaderRD shader; + RID shader_version; + RID pipelines[SSR_VARIATIONS][SCREEN_SPACE_REFLECTION_FILTER_MAX]; + } ssr_filter; +}; + +} // namespace RendererRD + +#endif // !SS_EFFECTS_RD_H |