23 lines
688 B
GLSL
23 lines
688 B
GLSL
// pathfinder/shaders/gles2/ecaa-mono-resolve.fs.glsl
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//
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// Copyright (c) 2017 The Pathfinder Project Developers.
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//
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// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
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// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
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// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
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// option. This file may not be copied, modified, or distributed
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// except according to those terms.
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precision mediump float;
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uniform vec4 uBGColor;
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uniform vec4 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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float alpha = clamp(texture2D(uAAAlpha, vTexCoord).r, 0.0, 1.0);
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gl_FragColor = vec4(uFGColor.rgb, uFGColor.a * alpha);
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}
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