[Mesa-dev] [PATCH 1/2] st/xlib: Fix upside down coordinates for CopySubBuffer

[Stéphane Marchesin]

Anyone wants to look at those 2? I realize it's not a super common
combination (copysubbuffers + client-side glx) but still :)

Stéphane


On Sat, May 11, 2013 at 1:38 PM, Stéphane Marchesin
<marcheu at chromium.org> wrote:
> The coordinates need to be inverted between glX and gallium.
> ---
>  src/gallium/state_trackers/glx/xlib/xm_api.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/src/gallium/state_trackers/glx/xlib/xm_api.c b/src/gallium/state_trackers/glx/xlib/xm_api.c
> index e426192..4f10b84 100644
> --- a/src/gallium/state_trackers/glx/xlib/xm_api.c
> +++ b/src/gallium/state_trackers/glx/xlib/xm_api.c
> @@ -1256,7 +1256,7 @@ void XMesaCopySubBuffer( XMesaBuffer b, int x, int y, int width, int height )
>  {
>     xmesa_copy_st_framebuffer(b->stfb,
>           ST_ATTACHMENT_BACK_LEFT, ST_ATTACHMENT_FRONT_LEFT,
> -         x, y, width, height);
> +         x, b->height - y - height, width, height);
>  }
>
>
> --
> 1.8.2.1
>
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