19 lines
470 B
GLSL
19 lines
470 B
GLSL
// pathfinder/shaders/gles2/ecaa-multi-resolve.fs.glsl
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//
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// Copyright (c) 2017 Mozilla Foundation
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precision highp float;
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uniform sampler2D uBGColor;
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uniform sampler2D uFGColor;
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uniform sampler2D uAAAlpha;
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varying vec2 vTexCoord;
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void main() {
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vec4 bgColor = texture2D(uBGColor, vTexCoord);
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vec4 fgColor = texture2D(uFGColor, vTexCoord);
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float alpha = clamp(texture2D(uAAAlpha, vTexCoord).r, 0.0, 1.0);
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gl_FragColor = mix(bgColor, fgColor, alpha);
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}
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