local graphics = {}
local component = require("component")
graphics.gpu = component.gpu

graphics.w, graphics.h  = graphics.gpu.getResolution()
local gpu = graphics.gpu

function graphics.clearScreen()
	gpu.setBackground(0x000000)
	gpu.fill(1,1,graphics.w,graphics.h," ")
end

function graphics.setGPU(gpu_proxy)
	graphics.gpu = gpu_proxy
	gpu = graphics.gpu
	graphics.w, graphics.h  = graphics.gpu.getResolution()
end

function graphics.bind_to_screen(screen_addr)
	graphics.gpu.bind(screen_addr)
end

function graphics.getGPU()
	return graphics.gpu
end

function graphics.setResolution(x,y)
	graphics.gpu.setResolution(x,y)
	graphics.w, graphics.h = graphics.gpu.getResolution()
end

return graphics