Fix Subsurface Scattering

* Works again
* Transmittance also works again
* Removed the curve patamter, exp() function is good enough.

1 files changed, 16 insertions, 0 deletions

diff --git a/servers/rendering/renderer_rd/shaders/resolve.glsl b/servers/rendering/renderer_rd/shaders/resolve.glsl
index a4610e081c..fecf812a8c 100644
--- a/servers/rendering/renderer_rd/shaders/resolve.glsl
+++ b/servers/rendering/renderer_rd/shaders/resolve.glsl
@@ -6,6 +6,11 @@
 
 layout(local_size_x = 8, local_size_y = 8, local_size_z = 1) in;
 
+#ifdef MODE_RESOLVE_DEPTH
+layout(set = 0, binding = 0) uniform sampler2DMS source_depth;
+layout(r32f, set = 1, binding = 0) uniform restrict writeonly image2D dest_depth;
+#endif
+
 #ifdef MODE_RESOLVE_GI
 layout(set = 0, binding = 0) uniform sampler2DMS source_depth;
 layout(set = 0, binding = 1) uniform sampler2DMS source_normal_roughness;
@@ -34,6 +39,17 @@ void main() {
 		return;
 	}
 
+#ifdef MODE_RESOLVE_DEPTH
+
+	float depth_avg = 0.0;
+	for (int i = 0; i < params.sample_count; i++) {
+		depth_avg += texelFetch(source_depth, pos, i).r;
+	}
+	depth_avg /= float(params.sample_count);
+	imageStore(dest_depth, pos, vec4(depth_avg));
+
+#endif
+
 #ifdef MODE_RESOLVE_GI
 
 	float best_depth = 1e20;