forked from AuroraMiddleware/gtk
abc8d61730
The inColor wasn't premultiplied, so the resulting colors were wrong with translucent borders.
25 lines
800 B
GLSL
25 lines
800 B
GLSL
#version 420 core
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#include "clip.frag.glsl"
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#include "rounded-rect.glsl"
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layout(location = 0) in vec2 inPos;
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layout(location = 1) in vec4 inColor;
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layout(location = 2) in vec4 inRect;
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layout(location = 3) in vec4 inCornerWidths;
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layout(location = 4) in vec4 inCornerHeights;
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layout(location = 5) in vec4 inBorderWidths;
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layout(location = 0) out vec4 color;
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void main()
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{
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RoundedRect routside = RoundedRect (vec4(inRect.xy, inRect.xy + inRect.zw), inCornerWidths, inCornerHeights);
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RoundedRect rinside = rounded_rect_shrink (routside, inBorderWidths);
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float alpha = clamp (rounded_rect_coverage (routside, inPos) -
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rounded_rect_coverage (rinside, inPos),
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0.0, 1.0);
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color = clip (inPos, vec4(inColor.rgb * inColor.a, inColor.a) * alpha);
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}
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