39 lines
1005 B
GLSL
39 lines
1005 B
GLSL
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#version 450
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#include "common.vert.glsl"
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#include "rect.vert.glsl"
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layout(location = 0) in vec4 inRect;
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layout(location = 1) in vec2 inStart;
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layout(location = 2) in vec2 inEnd;
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layout(location = 3) in int inRepeating;
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layout(location = 4) in int inStopOffset;
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layout(location = 5) in int inStopCount;
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layout(location = 0) out vec2 outPos;
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layout(location = 1) out flat Rect outRect;
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layout(location = 2) out float outGradientPos;
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layout(location = 3) out flat int outRepeating;
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layout(location = 4) out flat int outStopOffset;
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layout(location = 5) out flat int outStopCount;
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float
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get_gradient_pos (vec2 pos)
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{
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pos = pos - inStart * push.scale;
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vec2 grad = (inEnd - inStart) * push.scale;
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return dot (pos, grad) / dot (grad, grad);
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}
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void main() {
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Rect r = rect_from_gsk (inRect);
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vec2 pos = set_position_from_rect (r);
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outPos = pos;
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outRect = r;
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outGradientPos = get_gradient_pos (pos);
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outRepeating = inRepeating;
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outStopOffset = inStopOffset;
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outStopCount = inStopCount;
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}
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