27 lines
534 B
GLSL
27 lines
534 B
GLSL
#version GLSL_VERSION
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#define ALPHA_TYPE
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uniform sampler2D image;
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#ifdef ALPHA_MASK
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uniform vec3 amask_fg;
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uniform float alpha_mask_premult;
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#else
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uniform float inactive_text_alpha;
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#endif
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in vec2 texcoord;
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out vec4 color;
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void main() {
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color = texture(image, texcoord);
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#ifdef ALPHA_MASK
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color = vec4(amask_fg, color.r);
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color = mix(color, vec4(color.rgb * color.a, color.a), alpha_mask_premult);
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#else
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color.a *= inactive_text_alpha;
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#ifdef PREMULT
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color = vec4(color.rgb * color.a, color.a);
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#endif
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#endif
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}
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