godot/servers/rendering/renderer_rd/effects/ss_effects.cpp

1810 lines
88 KiB
C++

/*************************************************************************/
/* 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/storage_rd/render_scene_buffers_rd.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 Projection &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);
}
}
}
}
// Subsurface scattering
{
Vector<String> sss_modes;
sss_modes.push_back("\n#define USE_11_SAMPLES\n");
sss_modes.push_back("\n#define USE_17_SAMPLES\n");
sss_modes.push_back("\n#define USE_25_SAMPLES\n");
sss.shader.initialize(sss_modes);
sss.shader_version = sss.shader.version_create();
for (int i = 0; i < sss_modes.size(); i++) {
sss.pipelines[i] = RD::get_singleton()->compute_pipeline_create(sss.shader.version_get_shader(sss.shader_version, i));
}
}
}
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);
}
{
// Cleanup Subsurface scattering
sss.shader.version_free(sss.shader_version);
}
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 Projection &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) {
if (ss_effects.downsample_uniform_set.is_valid() && RD::get_singleton()->uniform_set_is_valid(ss_effects.downsample_uniform_set)) {
RD::get_singleton()->free(ss_effects.downsample_uniform_set);
ss_effects.downsample_uniform_set = RID();
}
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;
ss_effects.used_mips_last_frame = use_mips;
}
/* 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 Projection &p_projection, const Projection &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 Projection &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 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) {
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];
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::deg_to_rad(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();
}
}
/* Subsurface scattering */
void SSEffects::sub_surface_scattering(Ref<RenderSceneBuffersRD> p_render_buffers, RID p_diffuse, RID p_depth, const Projection &p_camera, const Size2i &p_screen_size, float p_scale, float p_depth_scale, RenderingServer::SubSurfaceScatteringQuality p_quality) {
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);
// Our intermediate buffer is only created if we haven't created it already.
RD::DataFormat format = p_render_buffers->get_base_data_format();
uint32_t usage_bits = RD::TEXTURE_USAGE_SAMPLING_BIT | RD::TEXTURE_USAGE_CAN_COPY_TO_BIT | RD::TEXTURE_USAGE_STORAGE_BIT;
uint32_t layers = 1; // We only need one layer, we're handling one view at a time
uint32_t mipmaps = 1; // Image::get_image_required_mipmaps(p_screen_size.x, p_screen_size.y, Image::FORMAT_RGBAH);
RID intermediate = p_render_buffers->create_texture(SNAME("SSR"), SNAME("intermediate"), format, usage_bits, RD::TEXTURE_SAMPLES_1, p_screen_size, layers, mipmaps);
Plane p = p_camera.xform4(Plane(1, 0, -1, 1));
p.normal /= p.d;
float unit_size = p.normal.x;
{ //scale color and depth to half
RD::ComputeListID compute_list = RD::get_singleton()->compute_list_begin();
sss.push_constant.camera_z_far = p_camera.get_z_far();
sss.push_constant.camera_z_near = p_camera.get_z_near();
sss.push_constant.orthogonal = p_camera.is_orthogonal();
sss.push_constant.unit_size = unit_size;
sss.push_constant.screen_size[0] = p_screen_size.x;
sss.push_constant.screen_size[1] = p_screen_size.y;
sss.push_constant.vertical = false;
sss.push_constant.scale = p_scale;
sss.push_constant.depth_scale = p_depth_scale;
RID shader = sss.shader.version_get_shader(sss.shader_version, p_quality - 1);
RD::get_singleton()->compute_list_bind_compute_pipeline(compute_list, sss.pipelines[p_quality - 1]);
RD::Uniform u_diffuse_with_sampler(RD::UNIFORM_TYPE_SAMPLER_WITH_TEXTURE, 0, Vector<RID>({ default_sampler, p_diffuse }));
RD::Uniform u_diffuse(RD::UNIFORM_TYPE_IMAGE, 0, Vector<RID>({ p_diffuse }));
RD::Uniform u_intermediate_with_sampler(RD::UNIFORM_TYPE_SAMPLER_WITH_TEXTURE, 0, Vector<RID>({ default_sampler, intermediate }));
RD::Uniform u_intermediate(RD::UNIFORM_TYPE_IMAGE, 0, Vector<RID>({ intermediate }));
RD::Uniform u_depth_with_sampler(RD::UNIFORM_TYPE_SAMPLER_WITH_TEXTURE, 0, Vector<RID>({ default_sampler, p_depth }));
// horizontal
RD::get_singleton()->compute_list_bind_uniform_set(compute_list, uniform_set_cache->get_cache(shader, 0, u_diffuse_with_sampler), 0);
RD::get_singleton()->compute_list_bind_uniform_set(compute_list, uniform_set_cache->get_cache(shader, 1, u_intermediate), 1);
RD::get_singleton()->compute_list_bind_uniform_set(compute_list, uniform_set_cache->get_cache(shader, 2, u_depth_with_sampler), 2);
RD::get_singleton()->compute_list_set_push_constant(compute_list, &sss.push_constant, sizeof(SubSurfaceScatteringPushConstant));
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
RD::get_singleton()->compute_list_bind_uniform_set(compute_list, uniform_set_cache->get_cache(shader, 0, u_intermediate_with_sampler), 0);
RD::get_singleton()->compute_list_bind_uniform_set(compute_list, uniform_set_cache->get_cache(shader, 1, u_diffuse), 1);
RD::get_singleton()->compute_list_bind_uniform_set(compute_list, uniform_set_cache->get_cache(shader, 2, u_depth_with_sampler), 2);
sss.push_constant.vertical = true;
RD::get_singleton()->compute_list_set_push_constant(compute_list, &sss.push_constant, sizeof(SubSurfaceScatteringPushConstant));
RD::get_singleton()->compute_list_dispatch_threads(compute_list, p_screen_size.width, p_screen_size.height, 1);
RD::get_singleton()->compute_list_end();
}
}