On Fri, 2009-11-20 at 13:28 -0800, Jakob Bornecrantz wrote: 
> Module: Mesa
> Branch: mesa_7_7_branch
> Commit: 5109484bd9cd79ed88af59280bd0be5a4150f37c
> URL:    
> http://cgit.freedesktop.org/mesa/mesa/commit/?id=5109484bd9cd79ed88af59280bd0be5a4150f37c
> 
> Author: Jakob Bornecrantz <[email protected]>
> Date:   Wed Nov 18 17:45:39 2009 +0100
> 
> st/xorg: Flush any pending operations on upload
> 
> ---
> 
>  src/gallium/state_trackers/xorg/xorg_exa.c |    5 +++++
>  1 files changed, 5 insertions(+), 0 deletions(-)
> 
> diff --git a/src/gallium/state_trackers/xorg/xorg_exa.c 
> b/src/gallium/state_trackers/xorg/xorg_exa.c
> index 3a51ad2..3d83b57 100644
> --- a/src/gallium/state_trackers/xorg/xorg_exa.c
> +++ b/src/gallium/state_trackers/xorg/xorg_exa.c
> @@ -230,6 +230,11 @@ ExaUploadToScreen(PixmapPtr pPix, int x, int y, int w, 
> int h, char *src,
>      if (!priv || !priv->tex)
>       return FALSE;
>  
> +    /* make sure that any pending operations are flushed to hardware */
> +    if (exa->pipe->is_texture_referenced(exa->pipe, priv->tex, 0, 0) &
> +     (PIPE_REFERENCED_FOR_READ | PIPE_REFERENCED_FOR_WRITE))
> +     xorg_exa_flush(exa, 0, NULL);
> +
>      transfer = exa->scrn->get_tex_transfer(exa->scrn, priv->tex, 0, 0, 0,
>                                          PIPE_TRANSFER_WRITE, x, y, w, h);
>      if (!transfer)

>From the EXA POV UploadToScreen is intended to be a pipelined operation,
so ideally this shouldn't be necessary.


-- 
Earthling Michel Dänzer           |                http://www.vmware.com
Libre software enthusiast         |          Debian, X and DRI developer

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