22 lines
472 B
GLSL
22 lines
472 B
GLSL
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#ifdef PURE_OPENGL_ES_2
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precision highp float;
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#endif
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/* ios recent */
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uniform sampler2D textureMap;
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varying vec4 backgroundColor;
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varying vec2 textureLookup ;
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void main()
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{
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vec4 fColor = texture2D(textureMap, textureLookup);
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vec4 bColor = backgroundColor * (1.-fColor.a);
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gl_FragColor = vec4(bColor.rgb + fColor.rgb * fColor.a, bColor.a + fColor.a );
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#ifdef ANAGLYPH
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gl_FragColor.rgb = vec3((gl_FragColor.r + gl_FragColor.b + gl_FragColor.g) / 3.);
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#endif
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}
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