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

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uniform mat4 mvp_mat;
attribute float vcolor;
/** Vertex position.
x, y, z, c
c is the color of the point.
*/
attribute vec3 vertex;
varying float color;
void
main (void)
{
gl_Position = mvp_mat * vec4 (vertex, 1.0);
gl_PointSize = max (1, 1024.0 * abs (1.0 / gl_Position.z));
color = vcolor;
}