glsl-layer
Layer texels on top of each other in the same shader.
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Installation npm i glsl-layer -S
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Usage & example #pragma glslify: layer = require('glsl-layer')
attribute vec2 vUv;
uniform sampler2D circle;
uniform sampler2D square;
void main() {
gl_FragColor = layer(
texture2D(circle, vUv),
texture2D(square, vUv)
);
}
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License MIT. See LICENSE for details.