Get the size of a window's underlying drawable in pixels (for use with setting viewport, scissor & etc).
void SDL_Metal_GetDrawableSize(SDL_Window* window, int *w, int *h);
|window||SDL_Window from which the drawable size should be queried|
|w||Pointer to variable for storing the width in pixels, may be NULL|
|h||Pointer to variable for storing the height in pixels, may be NULL|
This function is available since SDL 2.0.14.