pathfinder/shaders/gles2/ecaa-resolve.fs.glsl

18 lines
426 B
GLSL

// pathfinder/shaders/gles2/ecaa-resolve.fs.glsl
//
// Copyright (c) 2017 Mozilla Foundation
precision highp float;
uniform ivec2 uFramebufferSize;
uniform sampler2D uBGColor;
uniform sampler2D uFGColor;
varying vec2 vTexCoord;
void main() {
vec4 bgColor = texture2D(uBGColor, vTexCoord);
vec4 fgColor = texture2D(uFGColor, vTexCoord);
gl_FragColor = bgColor != fgColor ? vec4(1.0, 0.0, 0.0, 1.0) : bgColor;
}