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Basic fast filtering implementation

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This commit is contained in:
clayjohn
2020-02-20 15:27:34 -08:00
parent e0cc5209ff
commit 3e299aa225
12 changed files with 831 additions and 66 deletions
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94
servers/visual/rasterizer_rd/rasterizer_effects_rd.cpp
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@@ -30,6 +30,8 @@
#include "rasterizer_effects_rd.h"
#include "core/os/os.h"
#include "core/project_settings.h"
#include "cubemap_coeffs.h"
static _FORCE_INLINE_ void store_transform_3x3(const Basis &p_basis, float *p_array) {
p_array[0] = p_basis.elements[0][0];
@@ -750,6 +752,44 @@ void RasterizerEffectsRD::roughness_limit(RID p_source_normal, RID p_roughness,
RD::get_singleton()->compute_list_end();
}
void RasterizerEffectsRD::cubemap_downsample(RID p_source_cubemap, bool p_source_is_panorama, RID p_dest_cubemap, const Size2i &p_size) {
cubemap_downsampler.push_constant.face_size = p_size.x;
RD::ComputeListID compute_list = RD::get_singleton()->compute_list_begin();
RD::get_singleton()->compute_list_bind_compute_pipeline(compute_list, cubemap_downsampler.pipelines[p_source_is_panorama ? CUBEMAP_DOWNSAMPLER_SOURCE_PANORAMA : CUBEMAP_DOWNSAMPLER_SOURCE_CUBEMAP]);
RD::get_singleton()->compute_list_bind_uniform_set(compute_list, _get_compute_uniform_set_from_texture(p_source_cubemap), 0);
RD::get_singleton()->compute_list_bind_uniform_set(compute_list, _get_uniform_set_from_image(p_dest_cubemap), 1);
int x_groups = (p_size.x - 1) / 8 + 1;
int y_groups = (p_size.y - 1) / 8 + 1;
RD::get_singleton()->compute_list_set_push_constant(compute_list, &cubemap_downsampler.push_constant, sizeof(CubemapDownsamplerPushConstant));
RD::get_singleton()->compute_list_dispatch(compute_list, x_groups, y_groups, 6); // one z_group for each face
RD::get_singleton()->compute_list_end();
}
void RasterizerEffectsRD::cubemap_filter(RID p_source_cubemap, Vector<RID> p_dest_cubemap, bool p_use_array) {
int pipeline = p_use_array ? FILTER_MODE_HIGH_QUALITY_ARRAY : FILTER_MODE_HIGH_QUALITY;
pipeline = filter.use_high_quality ? pipeline : pipeline + 1;
RD::ComputeListID compute_list = RD::get_singleton()->compute_list_begin();
RD::get_singleton()->compute_list_bind_compute_pipeline(compute_list, filter.pipelines[pipeline]);
RD::get_singleton()->compute_list_bind_uniform_set(compute_list, _get_compute_uniform_set_from_texture(p_source_cubemap, true), 0);
RD::get_singleton()->compute_list_bind_uniform_set(compute_list, filter.uniform_set, 1);
for (int i = 0; i < p_dest_cubemap.size(); i++) {
RD::get_singleton()->compute_list_bind_uniform_set(compute_list, _get_uniform_set_from_image(p_dest_cubemap[i]), i + 2);
}
int x_groups = p_use_array ? 1792 : 342; // (128 * 128 * 7) / 64 : (128*128 + 64*64 + 32*32 + 16*16 + 8*8 + 4*4 + 2*2) / 64
RD::get_singleton()->compute_list_dispatch(compute_list, x_groups, 6, 1); // one y_group for each face
RD::get_singleton()->compute_list_end();
}
RasterizerEffectsRD::RasterizerEffectsRD() {
{
@@ -930,7 +970,7 @@ RasterizerEffectsRD::RasterizerEffectsRD() {
}
{
// Initialize copier
// Initialize roughness limiter
Vector<String> shader_modes;
shader_modes.push_back("");
@@ -941,6 +981,55 @@ RasterizerEffectsRD::RasterizerEffectsRD() {
roughness_limiter.pipeline = RD::get_singleton()->compute_pipeline_create(roughness_limiter.shader.version_get_shader(roughness_limiter.shader_version, 0));
}
{
//Initialize cubemap downsampler
Vector<String> cubemap_downsampler_modes;
cubemap_downsampler_modes.push_back("\n#define MODE_SOURCE_PANORAMA\n");
cubemap_downsampler_modes.push_back("\n#define MODE_SOURCE_CUBEMAP\n");
cubemap_downsampler.shader.initialize(cubemap_downsampler_modes);
cubemap_downsampler.shader_version = cubemap_downsampler.shader.version_create();
for (int i = 0; i < CUBEMAP_DOWNSAMPLER_SOURCE_MAX; i++) {
cubemap_downsampler.pipelines[i] = RD::get_singleton()->compute_pipeline_create(cubemap_downsampler.shader.version_get_shader(cubemap_downsampler.shader_version, i));
}
}
{
// Initialize cubemap filter
filter.use_high_quality = GLOBAL_GET("rendering/quality/reflections/fast_filter_high_quality");
Vector<String> cubemap_filter_modes;
cubemap_filter_modes.push_back("\n#define USE_HIGH_QUALITY\n");
cubemap_filter_modes.push_back("\n#define USE_LOW_QUALITY\n");
cubemap_filter_modes.push_back("\n#define USE_HIGH_QUALITY\n#define USE_TEXTURE_ARRAY\n");
cubemap_filter_modes.push_back("\n#define USE_LOW_QUALITY\n#define USE_TEXTURE_ARRAY\n");
filter.shader.initialize(cubemap_filter_modes);
filter.shader_version = filter.shader.version_create();
for (int i = 0; i < FILTER_MODE_MAX; i++) {
filter.pipelines[i] = RD::get_singleton()->compute_pipeline_create(filter.shader.version_get_shader(filter.shader_version, i));
}
if (filter.use_high_quality) {
filter.coefficient_buffer = RD::get_singleton()->storage_buffer_create(sizeof(high_quality_coeffs));
RD::get_singleton()->buffer_update(filter.coefficient_buffer, 0, sizeof(high_quality_coeffs), &high_quality_coeffs[0], false);
} else {
filter.coefficient_buffer = RD::get_singleton()->storage_buffer_create(sizeof(low_quality_coeffs));
RD::get_singleton()->buffer_update(filter.coefficient_buffer, 0, sizeof(low_quality_coeffs), &low_quality_coeffs[0], false);
}
Vector<RD::Uniform> uniforms;
{
RD::Uniform u;
u.type = RD::UNIFORM_TYPE_STORAGE_BUFFER;
u.binding = 0;
u.ids.push_back(filter.coefficient_buffer);
uniforms.push_back(u);
}
filter.uniform_set = RD::get_singleton()->uniform_set_create(uniforms, filter.shader.version_get_shader(filter.shader_version, filter.use_high_quality ? 0 : 1), 1);
}
RD::SamplerState sampler;
sampler.mag_filter = RD::SAMPLER_FILTER_LINEAR;
sampler.min_filter = RD::SAMPLER_FILTER_LINEAR;
@@ -987,4 +1076,7 @@ RasterizerEffectsRD::~RasterizerEffectsRD() {
ssao.gather_shader.version_free(ssao.gather_shader_version);
ssao.blur_shader.version_free(ssao.blur_shader_version);
roughness_limiter.shader.version_free(roughness_limiter.shader_version);
cubemap_downsampler.shader.version_free(cubemap_downsampler.shader_version);
filter.shader.version_free(filter.shader_version);
RD::get_singleton()->free(filter.coefficient_buffer);
}