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Diffstat (limited to 'servers/rendering/renderer_rd/effects/ss_effects.h')
| -rw-r--r-- | servers/rendering/renderer_rd/effects/ss_effects.h | 508 |
1 files changed, 508 insertions, 0 deletions
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 |