Attachment 3737 Details for Bug 1106 – Proposed fix.

[patch] Proposed fix.

radeon-xaa-render-offscreen-size.diff (text/plain), 1.01 KB, created by Michel Dänzer on 2005-11-08 08:16:20 UTC

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Creator: Michel Dänzer

Created: 2005-11-08 08:16:20 UTC

Size: 1.01 KB

patch

obsolete

>Index: programs/Xserver/hw/xfree86/drivers/ati/radeon_render.c
>===================================================================
>RCS file: /cvs/xorg/xc/programs/Xserver/hw/xfree86/drivers/ati/radeon_render.c,v
>retrieving revision 1.16
>diff -p -u -r1.16 radeon_render.c
>--- programs/Xserver/hw/xfree86/drivers/ati/radeon_render.c	11 Sep 2005 20:58:53 -0000	1.16
>+++ programs/Xserver/hw/xfree86/drivers/ati/radeon_render.c	8 Nov 2005 16:11:54 -0000
>@@ -281,11 +281,17 @@ AllocateLinear (
>    ScrnInfoPtr pScrn,
>    int sizeNeeded
> ){
>-    RADEONInfoPtr  info       = RADEONPTR(pScrn);
>+   RADEONInfoPtr  info       = RADEONPTR(pScrn);
>+   int cpp = info->CurrentLayout.bitsPerPixel / 8;
> 
>    info->RenderTimeout = currentTime.milliseconds + 30000;
>    info->RenderCallback = RenderCallback;
> 
>+   /* XAA allocates in units of pixels at the screen bpp, so adjust size
>+    * appropriately.
>+    */
>+   sizeNeeded = (sizeNeeded + cpp - 1) / cpp;
>+
>    if (info->RenderTex) {
> 	if (info->RenderTex->size >= sizeNeeded)
> 	   return TRUE;

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