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Merge pull request #37749 from clayjohn/Vulkan-improved-ss

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Add vogel filter and settings to soft shadows
This commit is contained in:
Rémi Verschelde
2020-04-13 00:39:37 +02:00
committed by GitHub
parent 451d5bd492 621f6f09a8
commit 06748a2b5f
17 changed files with 338 additions and 145 deletions
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105
servers/rendering/rasterizer_rd/rasterizer_scene_rd.cpp
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@@ -36,6 +36,18 @@
uint64_t RasterizerSceneRD::auto_exposure_counter = 2;
void get_vogel_disk(float *r_kernel, int p_sample_count) {
const float golden_angle = 2.4;
for (int i = 0; i < p_sample_count; i++) {
float r = Math::sqrt(float(i) + 0.5) / Math::sqrt(float(p_sample_count));
float theta = float(i) * golden_angle;
r_kernel[i * 4] = Math::cos(theta) * r;
r_kernel[i * 4 + 1] = Math::sin(theta) * r;
}
}
void RasterizerSceneRD::_clear_reflection_data(ReflectionData &rd) {
rd.layers.clear();
@@ -3578,8 +3590,86 @@ void RasterizerSceneRD::sub_surface_scattering_set_scale(float p_scale, float p_
sss_depth_scale = p_depth_scale;
}
void RasterizerSceneRD::shadow_filter_set(RS::ShadowFilter p_filter) {
shadow_filter = p_filter;
void RasterizerSceneRD::shadows_quality_set(RS::ShadowQuality p_quality) {
ERR_FAIL_INDEX_MSG(p_quality, RS::SHADOW_QUALITY_MAX, "Shadow quality too high, please see RenderingServer's ShadowQuality enum");
if (shadows_quality != p_quality) {
shadows_quality = p_quality;
switch (shadows_quality) {
case RS::SHADOW_QUALITY_HARD: {
penumbra_shadow_samples = 4;
soft_shadow_samples = 1;
shadows_quality_radius = 1.0;
} break;
case RS::SHADOW_QUALITY_SOFT_LOW: {
penumbra_shadow_samples = 8;
soft_shadow_samples = 4;
shadows_quality_radius = 2.0;
} break;
case RS::SHADOW_QUALITY_SOFT_MEDIUM: {
penumbra_shadow_samples = 12;
soft_shadow_samples = 8;
shadows_quality_radius = 2.0;
} break;
case RS::SHADOW_QUALITY_SOFT_HIGH: {
penumbra_shadow_samples = 24;
soft_shadow_samples = 16;
shadows_quality_radius = 3.0;
} break;
case RS::SHADOW_QUALITY_SOFT_ULTRA: {
penumbra_shadow_samples = 32;
soft_shadow_samples = 32;
shadows_quality_radius = 4.0;
} break;
case RS::SHADOW_QUALITY_MAX:
break;
}
get_vogel_disk(penumbra_shadow_kernel, penumbra_shadow_samples);
get_vogel_disk(soft_shadow_kernel, soft_shadow_samples);
}
}
void RasterizerSceneRD::directional_shadow_quality_set(RS::ShadowQuality p_quality) {
ERR_FAIL_INDEX_MSG(p_quality, RS::SHADOW_QUALITY_MAX, "Shadow quality too high, please see RenderingServer's ShadowQuality enum");
if (directional_shadow_quality != p_quality) {
directional_shadow_quality = p_quality;
switch (directional_shadow_quality) {
case RS::SHADOW_QUALITY_HARD: {
directional_penumbra_shadow_samples = 4;
directional_soft_shadow_samples = 1;
directional_shadow_quality_radius = 1.0;
} break;
case RS::SHADOW_QUALITY_SOFT_LOW: {
directional_penumbra_shadow_samples = 8;
directional_soft_shadow_samples = 4;
directional_shadow_quality_radius = 2.0;
} break;
case RS::SHADOW_QUALITY_SOFT_MEDIUM: {
directional_penumbra_shadow_samples = 12;
directional_soft_shadow_samples = 8;
directional_shadow_quality_radius = 2.0;
} break;
case RS::SHADOW_QUALITY_SOFT_HIGH: {
directional_penumbra_shadow_samples = 24;
directional_soft_shadow_samples = 16;
directional_shadow_quality_radius = 3.0;
} break;
case RS::SHADOW_QUALITY_SOFT_ULTRA: {
directional_penumbra_shadow_samples = 32;
directional_soft_shadow_samples = 32;
directional_shadow_quality_radius = 4.0;
} break;
case RS::SHADOW_QUALITY_MAX:
break;
}
get_vogel_disk(directional_penumbra_shadow_kernel, directional_penumbra_shadow_samples);
get_vogel_disk(directional_soft_shadow_kernel, directional_soft_shadow_samples);
}
}
int RasterizerSceneRD::get_roughness_layers() const {
@@ -4150,7 +4240,12 @@ RasterizerSceneRD::RasterizerSceneRD(RasterizerStorageRD *p_storage) {
sss_quality = RS::SubSurfaceScatteringQuality(int(GLOBAL_GET("rendering/quality/subsurface_scattering/subsurface_scattering_quality")));
sss_scale = GLOBAL_GET("rendering/quality/subsurface_scattering/subsurface_scattering_scale");
sss_depth_scale = GLOBAL_GET("rendering/quality/subsurface_scattering/subsurface_scattering_depth_scale");
shadow_filter = RS::ShadowFilter(int(GLOBAL_GET("rendering/quality/shadows/filter_mode")));
directional_penumbra_shadow_kernel = memnew_arr(float, 128);
directional_soft_shadow_kernel = memnew_arr(float, 128);
penumbra_shadow_kernel = memnew_arr(float, 128);
soft_shadow_kernel = memnew_arr(float, 128);
shadows_quality_set(RS::ShadowQuality(int(GLOBAL_GET("rendering/quality/shadows/soft_shadow_quality"))));
directional_shadow_quality_set(RS::ShadowQuality(int(GLOBAL_GET("rendering/quality/directional_shadow/soft_shadow_quality"))));
}
RasterizerSceneRD::~RasterizerSceneRD() {
@@ -4179,4 +4274,8 @@ RasterizerSceneRD::~RasterizerSceneRD() {
memdelete_arr(sky_scene_state.last_frame_directional_lights);
storage->free(sky_shader.default_shader);
storage->free(sky_shader.default_material);
memdelete_arr(directional_penumbra_shadow_kernel);
memdelete_arr(directional_soft_shadow_kernel);
memdelete_arr(penumbra_shadow_kernel);
memdelete_arr(soft_shadow_kernel);
}