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
763 B
GLSL
37 lines
763 B
GLSL
#include "constants.glsl"
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#ifndef _CLIP_
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#define _CLIP_
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vec4 intersect(vec4 a, vec4 b)
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{
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a = vec4(a.xy, a.xy + a.zw);
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b = vec4(b.xy, b.xy + b.zw);
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vec4 result = vec4(max(a.xy, b.xy), min(a.zw, b.zw));
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if (any (greaterThanEqual (result.xy, result.zw)))
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return vec4(0.0,0.0,0.0,0.0);
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return vec4(result.xy, result.zw - result.xy);
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}
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#ifdef CLIP_ROUNDED_RECT
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vec4 clip(vec4 rect)
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{
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/* rounded corner clipping is done in fragment shader */
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return intersect(rect, push.clip_bounds);
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}
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#elif defined(CLIP_RECT)
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vec4 clip(vec4 rect)
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{
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return intersect(rect, push.clip_bounds);
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}
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#elif defined(CLIP_NONE)
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vec4 clip(vec4 rect)
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{
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return rect;
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}
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#else
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#error "No clipping define given. Need CLIP_NONE, CLIP_RECT or CLIP_ROUNDED_RECT"
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#endif
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#endif
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