quakeforge/libs/video/renderer/glsl/quakeico.vert

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uniform mat4 mvp_mat;
/** Vertex position.
x, y, s, t
\a vertex provides the onscreen location at which to draw the icon
(\a x, \a y) and texture coordinate for the icon (\a s=z, \a t=w).
*/
attribute vec4 vertex;
attribute vec4 vcolor;
varying vec4 color;
varying vec2 st;
void
main (void)
{
gl_Position = mvp_mat * vec4 (vertex.xy, 0.0, 1.0);
st = vertex.zw;
color = vcolor;
}