25 lines
673 B
Plaintext
25 lines
673 B
Plaintext
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Texture2D<float> In_HeightTex;
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Texture2D<float> In_BaseMaskTex;
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Texture2D<float> RemapTex;
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RWTexture2D<float> OutputTex;
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float EffectStrength;
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int RemapTexRes;
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float4 HeightRange;
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float GetHeightScale(float height)
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{
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return saturate((height - HeightRange.x) / (HeightRange.y - HeightRange.x));
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}
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#pragma kernel HeightRemap
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[numthreads(1, 1, 1)]
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void HeightRemap(uint3 id : SV_DispatchThreadID)
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{
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float heightMask = GetHeightScale(In_HeightTex[id.xy]);
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uint remapIdx = (uint)(heightMask * (float)(RemapTexRes - 1));
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float remappedGradient = RemapTex[uint2(remapIdx, 0)];
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OutputTex[id.xy] = lerp(1.0f, remappedGradient, EffectStrength) * In_BaseMaskTex[id.xy];
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}
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