34 lines
949 B
Plaintext
34 lines
949 B
Plaintext
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Shader "Hidden/Checkerboard"
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{
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SubShader
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{
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// No culling or depth
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Cull Off ZWrite Off ZTest Always
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Pass
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{
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CGPROGRAM
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#pragma vertex vert_img
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#pragma fragment frag
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#include "UnityCG.cginc"
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static const float rows = 24;
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static const float columns = 24;
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float4 frag(v2f_img i) : SV_Target
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{
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float3 col1 = float3(32.0/255.0, 32.0/255.0, 32.0/255.0);
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float3 col2 = float3(42.0/255.0, 42.0/255.0, 42.0/255.0);
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if (!IsGammaSpace()) {
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col1 = GammaToLinearSpace(col1);
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col2 = GammaToLinearSpace(col2);
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}
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float total = floor(i.uv.x * rows) + floor(i.uv.y * columns);
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return float4(lerp(col1, col2, step(fmod(total, 2.0), 0.5)), 1.0);
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}
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ENDCG
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}
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}
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}
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