17 lines
490 B
HLSL
17 lines
490 B
HLSL
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#ifndef PREFLECTION_INCLUDED
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#define PREFLECTION_INCLUDED
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#include "PUniforms.cginc"
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void SampleReflectionTexture(float4 screenPos, float3 worldNormal, out half4 color)
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{
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float4 n = float4(worldNormal.x, worldNormal.z, 1, 1);
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half4 offset = half4(n.xy * _ReflectionTex_TexelSize.xy * _ReflectionDistortionStrength, 0, 0);
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float2 uv = float2(screenPos.xy / screenPos.w);
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//uv = UnityStereoTransformScreenSpaceTex(uv);
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uv += offset.xy;
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color = tex2D(_ReflectionTex, uv.xy);
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}
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#endif
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