Files
monoshell/colorkey.frag

25 lines
530 B
GLSL

#version 440
layout(location = 0) in vec2 qt_TexCoord0;
layout(location = 0) out vec4 fragColor;
layout(std140, binding = 0) uniform buf {
mat4 qt_Matrix;
float qt_Opacity;
vec4 bgcol;
bool key_enabled;
};
layout(binding = 1) uniform sampler2D source;
void main() {
vec4 p = texture(source, qt_TexCoord0);
if (
key_enabled &&
p.r == bgcol.r &&
p.g == bgcol.g &&
p.b == bgcol.b
) {
fragColor = vec4(0, 0, 0, 0);
}
else {
fragColor = p;
}
}