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Cleanup some old unused shader code

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This commit is contained in:
Wojtek Figat
2020-12-20 10:22:54 +01:00
parent afeaaee376
commit 8a870a07ae
25 changed files with 199 additions and 685 deletions
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47
Source/Shaders/ProbesFilter.shader
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@@ -25,44 +25,42 @@ float4 SampleCubemap(float3 uv)
return Cube.SampleLevel(SamplerLinearClamp, uv, SourceMipIndex);
}
float3 GetCubemapVector(float2 scaledUVs)
float3 GetCubemapVector(float2 uv)
{
float3 cubeCoordinates;
float3 coords;
if (CubeFace == 0)
{
cubeCoordinates = float3(1, -scaledUVs.y, -scaledUVs.x);
coords = float3(1, -uv.y, -uv.x);
}
else if (CubeFace == 1)
{
cubeCoordinates = float3(-1, -scaledUVs.y, scaledUVs.x);
coords = float3(-1, -uv.y, uv.x);
}
else if (CubeFace == 2)
{
cubeCoordinates = float3(scaledUVs.x, 1, scaledUVs.y);
coords = float3(uv.x, 1, uv.y);
}
else if (CubeFace == 3)
{
cubeCoordinates = float3(scaledUVs.x, -1, -scaledUVs.y);
coords = float3(uv.x, -1, -uv.y);
}
else if (CubeFace == 4)
{
cubeCoordinates = float3(scaledUVs.x, -scaledUVs.y, 1);
coords = float3(uv.x, -uv.y, 1);
}
else
{
cubeCoordinates = float3(-scaledUVs.x, -scaledUVs.y, -1);
coords = float3(-uv.x, -uv.y, -1);
}
return cubeCoordinates;
return coords;
}
// Pixel Shader for filtring probe mip levels
META_PS(true, FEATURE_LEVEL_ES2)
float4 PS_FilterFace(Quad_VS2PS input) : SV_Target
{
float2 scaledUVs = input.TexCoord * 2 - 1;
float3 cubeCoordinates = GetCubemapVector(scaledUVs);
float2 uv = input.TexCoord * 2 - 1;
float3 cubeCoordinates = GetCubemapVector(uv);
#define NUM_FILTER_SAMPLES 512
@@ -102,10 +100,9 @@ float4 PS_CopyFace(Quad_VS2PS input) : SV_Target
META_PS(true, FEATURE_LEVEL_ES2)
float4 PS_CalcDiffuseIrradiance(Quad_VS2PS input) : SV_Target
{
float2 scaledUVs = input.TexCoord * 2 - 1;
float3 cubeCoordinates = normalize(GetCubemapVector(scaledUVs));
float squaredUVs = 1 + dot(scaledUVs, scaledUVs);
float2 uv = input.TexCoord * 2 - 1;
float3 cubeCoordinates = normalize(GetCubemapVector(uv));
float squaredUVs = 1 + dot(uv, uv);
// Dividing by NumSamples here to keep the sum in the range of fp16, once we get down to the 1x1 mip
float weight = 4 / (sqrt(squaredUVs) * squaredUVs);
@@ -124,23 +121,23 @@ float4 PS_AccDiffuseIrradiance(Quad_VS2PS input) : SV_Target
{
float4 result = 0;
{
float2 scaledUVs = saturate(input.TexCoord + Sample01.xy) * 2 - 1;
float3 cubeCoordinates = GetCubemapVector(scaledUVs);
float2 uv = saturate(input.TexCoord + Sample01.xy) * 2 - 1;
float3 cubeCoordinates = GetCubemapVector(uv);
result += SampleCubemap(cubeCoordinates);
}
{
float2 scaledUVs = saturate(input.TexCoord + Sample01.zw) * 2 - 1;
float3 cubeCoordinates = GetCubemapVector(scaledUVs);
float2 uv = saturate(input.TexCoord + Sample01.zw) * 2 - 1;
float3 cubeCoordinates = GetCubemapVector(uv);
result += SampleCubemap(cubeCoordinates);
}
{
float2 scaledUVs = saturate(input.TexCoord + Sample23.xy) * 2 - 1;
float3 cubeCoordinates = GetCubemapVector(scaledUVs);
float2 uv = saturate(input.TexCoord + Sample23.xy) * 2 - 1;
float3 cubeCoordinates = GetCubemapVector(uv);
result += SampleCubemap(cubeCoordinates);
}
{
float2 scaledUVs = saturate(input.TexCoord + Sample23.zw) * 2 - 1;
float3 cubeCoordinates = GetCubemapVector(scaledUVs);
float2 uv = saturate(input.TexCoord + Sample23.zw) * 2 - 1;
float3 cubeCoordinates = GetCubemapVector(uv);
result += SampleCubemap(cubeCoordinates);
}
return result / 4.0f;