downscale2x.comp

// Used for testing only.

layout(local_size_x = 1) in;

void FUNCNAME()
{
	ivec2 tc = ivec2(gl_GlobalInvocationID.xy);
	vec2 coord = NORMALIZE_TEXTURE_COORDS(vec2(tc.x, tc.y));
	OUTPUT(tc, INPUT(vec2(coord.x - 0.125, coord.y + 0.25)));
}