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Re-implement subsurface scattering.

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The size settings are more "just works", with default scale and depth scale
values that don't need much tweaking.

Additionally, a "skin" mode was added so skin looks better.
EDIT: Cleaned up SSR filter shader a bit.
This commit is contained in:
Juan Linietsky
2020-04-03 23:42:26 -03:00
parent aeb95ef006
commit c54f80d35c
18 changed files with 399 additions and 17 deletions
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36
servers/rendering/rasterizer_rd/rasterizer_scene_rd.cpp
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@@ -3203,6 +3203,26 @@ void RasterizerSceneRD::_free_render_buffer_data(RenderBuffers *rb) {
}
}
void RasterizerSceneRD::_process_sss(RID p_render_buffers, const CameraMatrix &p_camera) {
RenderBuffers *rb = render_buffers_owner.getornull(p_render_buffers);
ERR_FAIL_COND(!rb);
bool can_use_effects = rb->width >= 8 && rb->height >= 8;
if (!can_use_effects) {
//just copy
return;
}
if (rb->blur[0].texture.is_null()) {
_allocate_blur_textures(rb);
_render_buffers_uniform_set_changed(p_render_buffers);
}
storage->get_effects()->sub_surface_scattering(rb->texture, rb->blur[0].mipmaps[0].texture, rb->depth_texture, p_camera, Size2i(rb->width, rb->height), sss_scale, sss_depth_scale, sss_quality);
}
void RasterizerSceneRD::_process_ssr(RID p_render_buffers, RID p_dest_framebuffer, RID p_normal_buffer, RID p_roughness_buffer, RID p_specular_buffer, RID p_metallic, const Color &p_metallic_mask, RID p_environment, const CameraMatrix &p_projection, bool p_use_additive) {
RenderBuffers *rb = render_buffers_owner.getornull(p_render_buffers);
@@ -3547,6 +3567,19 @@ void RasterizerSceneRD::render_buffers_configure(RID p_render_buffers, RID p_ren
_render_buffers_uniform_set_changed(p_render_buffers);
}
void RasterizerSceneRD::sub_surface_scattering_set_quality(RS::SubSurfaceScatteringQuality p_quality) {
sss_quality = p_quality;
}
RS::SubSurfaceScatteringQuality RasterizerSceneRD::sub_surface_scattering_get_quality() const {
return sss_quality;
}
void RasterizerSceneRD::sub_surface_scattering_set_scale(float p_scale, float p_depth_scale) {
sss_scale = p_scale;
sss_depth_scale = p_depth_scale;
}
int RasterizerSceneRD::get_roughness_layers() const {
return roughness_layers;
}
@@ -4101,6 +4134,9 @@ RasterizerSceneRD::RasterizerSceneRD(RasterizerStorageRD *p_storage) {
screen_space_roughness_limiter_curve = GLOBAL_GET("rendering/quality/filters/screen_space_roughness_limiter_curve");
glow_bicubic_upscale = int(GLOBAL_GET("rendering/quality/glow/upscale_mode")) > 0;
ssr_roughness_quality = RS::EnvironmentSSRRoughnessQuality(int(GLOBAL_GET("rendering/quality/screen_space_reflection/roughness_quality")));
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");
}
RasterizerSceneRD::~RasterizerSceneRD() {