"Jacob (=Jouk) Jansen" wrote:
>
> Hi
>
> Brian wrote:
> >Yesterday I checked in a few changes to xmesaP.h, xmesa1.c and xmesa2.c
> >which fixed some problems with 24bpp rendering and buffer clearing.
> >
> >Can you get a more detailed stack trace? Setting the MESA_XSYNC env var
> >first will force Xlib to operate synchronously and should make it easier
> >to locate the problem.
>
> I may have located the problem in xmesa2.c:
>
> if (xmesa->xm_buffer->buffer != XIMAGE) {
^^^^^^
backpixmap
> /* back buffer is a pixmap */
> xmesa->xm_buffer->back_clear_func = clear_back_pixmap;
> }
>
> If I leave this part out it works fine. Probaly the condition
> xmesa->xm_buffer->buffer != XIMAGE
> is fullfilled while it should not use the clear_back_pixmap function!!!
Try the change I show above.
-Brian
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