#version 460
//#extension GL_NV_gpu_shader5 : enable

layout(packed, binding=0) buffer image {
	uint color[];
}  ; // No local name for this one

layout(local_size_x = 1) in;
uniform uint width;

vec3 extract_color(uint raw_color){
	vec3 ogl_color;
	ogl_color.r = ((raw_color & 0x000000ff) >> 0) / 255.0f;
	ogl_color.g = ((raw_color & 0x0000ff00) >> 8) / 255.0f;
	ogl_color.b = ((raw_color & 0x00ff0000) >> 16) / 255.0f;
	return ogl_color;
}

uint package_color(vec3 ogl_color){
	uint raw_color = 0;
	raw_color |= uint(ogl_color.r * 255.0) << 0;
	raw_color |= uint(ogl_color.g * 255.0) << 8;
	raw_color |= uint(ogl_color.b * 255.0) << 16;
	return raw_color;
}

void main(){
	uint x_coord = gl_WorkGroupID.x % width;
	uint y_coord = gl_WorkGroupID.x / width;
	
	vec3 ogl_color = extract_color(color[gl_WorkGroupID.x]);
	ogl_color.r += 3/255.0;
	ogl_color.g += 5/255.0;
	ogl_color.b += 7/255.0;
	color[gl_WorkGroupID.x] = package_color(ogl_color);

}