553 lines
16 KiB
C++
553 lines
16 KiB
C++
/*************************************************************************/
|
|
/* 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_rd/shaders/effects/subsurface_scattering.glsl.gen.h"
|
|
#include "servers/rendering/renderer_scene_render.h"
|
|
#include "servers/rendering_server.h"
|
|
|
|
class RenderSceneBuffersRD;
|
|
|
|
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, bool p_invalidate_uniform_set, Size2i p_full_screen_size, const Projection &p_projection);
|
|
|
|
/* SSIL */
|
|
void ssil_set_quality(RS::EnvironmentSSILQuality p_quality, bool p_half_size, float p_adaptive_target, int p_blur_passes, float p_fadeout_from, float p_fadeout_to);
|
|
|
|
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;
|
|
|
|
Size2i full_screen_size;
|
|
};
|
|
|
|
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 Projection &p_projection, const Projection &p_last_projection, const SSILSettings &p_settings);
|
|
void ssil_free(SSILRenderBuffers &p_ssil_buffers);
|
|
|
|
/* SSAO */
|
|
void ssao_set_quality(RS::EnvironmentSSAOQuality p_quality, bool p_half_size, float p_adaptive_target, int p_blur_passes, float p_fadeout_from, float p_fadeout_to);
|
|
|
|
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;
|
|
|
|
Size2i full_screen_size;
|
|
};
|
|
|
|
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 Projection &p_projection, const SSAOSettings &p_settings);
|
|
void ssao_free(SSAORenderBuffers &p_ssao_buffers);
|
|
|
|
/* Screen Space Reflection */
|
|
void ssr_set_roughness_quality(RS::EnvironmentSSRRoughnessQuality p_quality);
|
|
|
|
struct SSRRenderBuffers {
|
|
Size2i size;
|
|
RenderingServer::EnvironmentSSRRoughnessQuality roughness_quality = RenderingServer::ENV_SSR_ROUGHNESS_QUALITY_DISABLED;
|
|
|
|
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, 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, const RID *p_metallic_slices, 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 Projection *p_projections, const Vector3 *p_eye_offsets);
|
|
void ssr_free(SSRRenderBuffers &p_ssr_buffers);
|
|
|
|
/* subsurface scattering */
|
|
void sss_set_quality(RS::SubSurfaceScatteringQuality p_quality);
|
|
RS::SubSurfaceScatteringQuality sss_get_quality() const;
|
|
void sss_set_scale(float p_scale, float p_depth_scale);
|
|
|
|
void sub_surface_scattering(Ref<RenderSceneBuffersRD> p_render_buffers, RID p_diffuse, RID p_depth, const Projection &p_camera, const Size2i &p_screen_size);
|
|
|
|
private:
|
|
/* Settings */
|
|
|
|
RS::EnvironmentSSAOQuality ssao_quality = RS::ENV_SSAO_QUALITY_MEDIUM;
|
|
bool ssao_half_size = false;
|
|
float ssao_adaptive_target = 0.5;
|
|
int ssao_blur_passes = 2;
|
|
float ssao_fadeout_from = 50.0;
|
|
float ssao_fadeout_to = 300.0;
|
|
|
|
RS::EnvironmentSSILQuality ssil_quality = RS::ENV_SSIL_QUALITY_MEDIUM;
|
|
bool ssil_half_size = false;
|
|
float ssil_adaptive_target = 0.5;
|
|
int ssil_blur_passes = 4;
|
|
float ssil_fadeout_from = 50.0;
|
|
float ssil_fadeout_to = 300.0;
|
|
|
|
RS::EnvironmentSSRRoughnessQuality ssr_roughness_quality = RS::ENV_SSR_ROUGHNESS_QUALITY_LOW;
|
|
|
|
RS::SubSurfaceScatteringQuality sss_quality = RS::SUB_SURFACE_SCATTERING_QUALITY_MEDIUM;
|
|
float sss_scale = 0.05;
|
|
float sss_depth_scale = 0.01;
|
|
|
|
/* 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
|
|
uint32_t view_index; // 4 - 64
|
|
|
|
// 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;
|
|
|
|
/* Subsurface scattering */
|
|
|
|
struct SubSurfaceScatteringPushConstant {
|
|
int32_t screen_size[2];
|
|
float camera_z_far;
|
|
float camera_z_near;
|
|
|
|
uint32_t vertical;
|
|
uint32_t orthogonal;
|
|
float unit_size;
|
|
float scale;
|
|
|
|
float depth_scale;
|
|
uint32_t pad[3];
|
|
};
|
|
|
|
struct SubSurfaceScattering {
|
|
SubSurfaceScatteringPushConstant push_constant;
|
|
SubsurfaceScatteringShaderRD shader;
|
|
RID shader_version;
|
|
RID pipelines[3]; //3 quality levels
|
|
} sss;
|
|
};
|
|
|
|
} // namespace RendererRD
|
|
|
|
#endif // SS_EFFECTS_RD_H
|