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42 lines
556 B
Plaintext
42 lines
556 B
Plaintext
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#include "common.glsl"
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#include "pattern.glsl"
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PASS(0) vec2 _pos;
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PASS_FLAT(1) Rect _rect;
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PASS_FLAT(2) uint _pattern_id;
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#ifdef GSK_VERTEX_SHADER
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IN(0) vec4 in_rect;
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IN(1) uint in_pattern_id;
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void
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run (out vec2 pos)
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{
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Rect r = rect_from_gsk (in_rect);
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pos = rect_get_position (r);
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_pos = pos;
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_rect = r;
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_pattern_id = in_pattern_id;
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}
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#endif
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#ifdef GSK_FRAGMENT_SHADER
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void
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run (out vec4 color,
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out vec2 position)
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{
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color = pattern (_pattern_id, _pos);
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color.a *= rect_coverage (_rect, _pos);
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position = _pos;
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}
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#endif
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