From 8e115f2546aece7155ab266f725965830b9ad61d Mon Sep 17 00:00:00 2001
From: Adam Jackson <ajax@freedesktop.org>
Date: Fri, 9 Dec 2005 18:15:31 +0000
Subject: Bug #1106: Fix memory allocation for Render. (Michel Daenzer)

---
 src/radeon_render.c | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/src/radeon_render.c b/src/radeon_render.c
index 191fb69..5f29157 100644
--- a/src/radeon_render.c
+++ b/src/radeon_render.c
@@ -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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