forked from AuroraMiddleware/gtk
900a4e4d31
Move the resources of each renderer to its subdirectory. We've previously done that for the ngl renderer, but it is better to be consistent and do it for all the renderers.
37 lines
872 B
GLSL
37 lines
872 B
GLSL
#version 420 core
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#include "clip.frag.glsl"
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struct ColorStop {
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float offset;
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vec4 color;
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};
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layout(location = 0) in vec2 inPos;
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layout(location = 1) in float inGradientPos;
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layout(location = 2) in flat int inRepeating;
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layout(location = 3) in flat int inStopCount;
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layout(location = 4) in flat ColorStop inStops[8];
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layout(location = 0) out vec4 outColor;
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void main()
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{
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float pos;
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if (inRepeating != 0)
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pos = fract (inGradientPos);
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else
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pos = clamp (inGradientPos, 0, 1);
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vec4 color = inStops[0].color;
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int n = clamp (inStopCount, 2, 8);
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for (int i = 1; i < n; i++)
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{
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if (inStops[i].offset > inStops[i-1].offset)
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color = mix (color, inStops[i].color, clamp((pos - inStops[i-1].offset) / (inStops[i].offset - inStops[i-1].offset), 0, 1));
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}
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//outColor = vec4(pos, pos, pos, 1.0);
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outColor = clip (inPos, color);
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}
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