mirror of
https://github.com/kovidgoyal/kitty.git
synced 2026-07-03 11:12:30 +08:00
20 lines
406 B
GLSL
20 lines
406 B
GLSL
out vec2 texcoord;
|
|
|
|
#define left 0
|
|
#define top 1
|
|
#define right 2
|
|
#define bottom 3
|
|
|
|
const ivec2 vertex_pos_map[4] = ivec2[4](
|
|
ivec2(right, top),
|
|
ivec2(right, bottom),
|
|
ivec2(left, bottom),
|
|
ivec2(left, top)
|
|
);
|
|
|
|
void main() {
|
|
ivec2 pos = vertex_pos_map[gl_VertexID];
|
|
texcoord = vec2(src_rect[pos.x], src_rect[pos.y]);
|
|
gl_Position = vec4(dest_rect[pos.x], dest_rect[pos.y], 0, 1);
|
|
}
|