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18 lines
483 B
Text
18 lines
483 B
Text
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uniform sampler2D _MainTex;
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uniform sampler2D _RampTex;
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varying vec2 varUV;
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void main()
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{
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vec4 orig = texture2D (_MainTex, varUV);
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// There was a bug where these three texture
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// samples were "vectorized" in a wrong way, like
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// t.xyz = texture2DProj (_RampTex, t.xyz).xyz;
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float rr = texture2D (_RampTex, orig.xx).x;
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float gg = texture2D (_RampTex, orig.yy).y;
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float bb = texture2D (_RampTex, orig.zz).z;
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vec4 color = vec4 (rr, gg, bb, orig.w);
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gl_FragData[0] = color;
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}
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