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ayamflow/layer.glsl

Created February 8, 2018 00:24
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Layer 2 textures on top of each other in GLSL
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layer.glsl
// https://stackoverflow.com/questions/24480901/libgdx-overlay-texture-above-another-texture-using-shader
vec4 layer(vec4 foreground, vec4 background) {
return foreground * foreground.a + background * (1.0 - foreground.a);
}
#pragma glslify: export(layer);
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