package wgpu_sdl2_glue

import win "core:sys/windows"

import  "vendor:sdl2"
import  "vendor:wgpu"

GetSurface :: proc(instance: wgpu.Instance, window: ^sdl2.Window) -> wgpu.Surface {
	window_info: sdl2.SysWMinfo 
	sdl2.GetWindowWMInfo(window, &window_info)
	hwnd := window_info.info.win.window
	hinstance := win.GetModuleHandleW(nil)
	return wgpu.InstanceCreateSurface(
		instance,
		&wgpu.SurfaceDescriptor{
			nextInChain = &wgpu.SurfaceSourceWindowsHWND{
				chain = wgpu.ChainedStruct{
					sType = .SurfaceSourceWindowsHWND,
				},
				hinstance = rawptr(hinstance),
				hwnd = rawptr(hwnd),
			},
		},
	)
}