mirror of
https://github.com/kovidgoyal/kitty
synced 2026-07-11 18:32:12 +02:00
21 lines
440 B
GLSL
21 lines
440 B
GLSL
out vec2 texcoord;
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uniform vec4 src_rect, dest_rect;
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#define left 0
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#define top 1
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#define right 2
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#define bottom 3
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const ivec2 vertex_pos_map[4] = ivec2[4](
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ivec2(right, top),
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ivec2(right, bottom),
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ivec2(left, bottom),
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ivec2(left, top)
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);
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void main() {
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ivec2 pos = vertex_pos_map[gl_VertexID];
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texcoord = vec2(src_rect[pos.x], src_rect[pos.y]);
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gl_Position = vec4(dest_rect[pos.x], dest_rect[pos.y], 0, 1);
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}
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