uniform mat4 mvp;

#pragma MSP stage(vertex)
layout(location=0) in vec4 position;
int main()
{
	vec4 c0 = mvp[0]*position;
	vec4 c1 = mvp[1]*position;
	vec4 c2 = mvp[2]*position;
	vec4 c3 = mvp[3]*position;
	vec4 clip_pos;
	clip_pos.x = c0.x+c1.x+c2.x+c3.x;
	clip_pos.y = c0.y+c1.y+c2.y+c3.y;
	clip_pos.z = c0.z+c1.z+c2.z+c3.z;
	clip_pos.w = c0.w+c1.w+c2.w+c3.w;
	gl_Position = vec4(clip_pos.xy, 0.0, 1.0);
}

/* Expected output: vertex
layout(location=0) uniform mat4 mvp;
layout(location=0) in vec4 position;
int main()
{
  vec4 c0 = mvp[0]*position;
  vec4 c1 = mvp[1]*position;
  vec4 c2 = mvp[2]*position;
  vec4 c3 = mvp[3]*position;
  vec4 clip_pos;
  clip_pos.x = c0.x+c1.x+c2.x+c3.x;
  clip_pos.y = c0.y+c1.y+c2.y+c3.y;
  gl_Position = vec4(clip_pos.xy, 0.0, 1.0);
}
*/