#depth off
#primitive triangle
#cull none
#blend mix

@vs vs
in vec3 a_pos;
uniform mat4 vp;
uniform mat4 model;

void main() {
  gl_Position = vp * model * vec4(a_pos, 1);
}
@end

@fs fs
uniform vec4 shade;
out vec4 color;

void main() {
  color = shade;
}
@end

@program sprite vs fs