dont prefilter envmap for glossy reflections, refractions and transmission

Author: devshgraphicsprogramming

examples_tests/22.RaytracedAO/closestHit.comp

@@ -106,7 +106,7 @@ void main()
 				contrib.worldspaceNormal = normalize(geomDenormal)*nbl_glsl_MC_colorToScalar(contrib.albedo);
 		}
 		else
-			Contribution_initMiss(contrib);
+			Contribution_initMiss(contrib,aovThroughputScale);
 
 		Contribution_normalizeAoV(contrib);
 

examples_tests/22.RaytracedAO/raygen.comp

@@ -107,7 +107,7 @@ void main()
 			);
 		}
 		else
-			Contribution_initMiss(contrib);
+			Contribution_initMiss(contrib,1.f);
 
 		if (bool(pc.cummon.depth))
 		{

examples_tests/22.RaytracedAO/raytraceCommon.glsl

@@ -392,11 +392,11 @@ vec2 SampleSphericalMap(vec3 v)
     return uv;
 }
 
-void Contribution_initMiss(out Contribution contrib)
+void Contribution_initMiss(out Contribution contrib, in float aovThroughputScale)
 {
 	vec2 uv = SampleSphericalMap(-normalizedV);
 	// funny little trick borrowed from things like Progressive Photon Mapping
-	const float bias = 0.0625f*pow(pc.cummon.rcpFramesDispatched,0.08f);
+	const float bias = 0.0625f*(1.f-aovThroughputScale)*pow(pc.cummon.rcpFramesDispatched,0.08f);
 	contrib.albedo = contrib.color = textureGrad(envMap, uv, vec2(bias*0.5,0.f), vec2(0.f,bias)).rgb;
 	contrib.worldspaceNormal = normalizedV;
 }