26 lines
815 B
GLSL
26 lines
815 B
GLSL
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// Copyright 2020 Google LLC
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Texture2D texturePosition : register(t1);
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SamplerState samplerPosition : register(s1);
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Texture2D textureNormal : register(t2);
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SamplerState samplerNormal : register(s2);
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Texture2D textureAlbedo : register(t3);
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SamplerState samplerAlbedo : register(s3);
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Texture2DArray textureDepth : register(t5);
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SamplerState samplerDepth : register(s5);
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float LinearizeDepth(float depth)
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{
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float n = 0.1; // camera z near
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float f = 64.0; // camera z far
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float z = depth;
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return (2.0 * n) / (f + n - z * (f - n));
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}
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float4 main([[vk::location(0)]] float3 inUV : TEXCOORD0) : SV_TARGET
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{
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// Display depth from light's point-of-view
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// inUV.w = number of light source
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float depth = textureDepth.Sample(samplerDepth, float3(inUV)).r;
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return float4((1.0 - LinearizeDepth(depth)).xxx, 0.0);
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}
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