forked from AuroraMiddleware/gtk
38 lines
1.0 KiB
GLSL
38 lines
1.0 KiB
GLSL
#ifndef GSK_LEGACY
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precision highp float;
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#endif
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#if defined(GSK_GLES) || defined(GSK_LEGACY)
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#define _OUT_ varying
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#define _IN_ varying
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#define _ROUNDED_RECT_UNIFORM_ vec4[3]
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#else
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#define _OUT_ out
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#define _IN_ in
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#define _ROUNDED_RECT_UNIFORM_ RoundedRect
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#endif
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struct RoundedRect
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{
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vec4 bounds;
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// Look, arrays can't be in structs if you want to return the struct
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// from a function in gles or whatever. Just kill me.
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vec4 corner_points1; // xy = top left, zw = top right
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vec4 corner_points2; // xy = bottom right, zw = bottom left
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};
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// Transform from a GskRoundedRect to a RoundedRect as we need it.
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RoundedRect
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create_rect(vec4[3] data)
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{
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vec4 bounds = vec4(data[0].xy, data[0].xy + data[0].zw);
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vec4 corner_points1 = vec4(bounds.xy + data[1].xy,
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bounds.zy + vec2(data[1].zw * vec2(-1, 1)));
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vec4 corner_points2 = vec4(bounds.zw + (data[2].xy * vec2(-1, -1)),
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bounds.xw + vec2(data[2].zw * vec2(1, -1)));
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return RoundedRect(bounds, corner_points1, corner_points2);
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}
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