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Output color in RGB instead of sRGB#1

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Merged
scier merged 1 commit into from
Feb 6, 2024
Merged

Output color in RGB instead of sRGB #1

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7 changes: 6 additions & 1 deletion MetalSplatter/Resources/Shaders.metal
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Original file line numberDiff line numberDiff line change
Expand Up@@ -49,6 +49,10 @@ typedef struct
float4 color;
} ColorInOut;

float4 decodeGamma(float4 v) {
return float4(pow(v.rgb, float3(2.2)), v.a);
}

float3x3 quaternionToMatrix(float4 quaternion) {
float3x3 rotationMatrix;
rotationMatrix[0] = {
Expand DownExpand Up@@ -213,7 +217,8 @@ vertex ColorInOut splatVertexShader(uint vertexID [[vertex_id]],

out.position = float4(screenVertex.x, screenVertex.y, 0, 1);
out.textureCoordinates = textureCoordinates;
out.color = splat.color;
// the color here is in gamma space, so bring it to linear
out.color = decodeGamma(splat.color);
return out;
}

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