From 0bdcce2e4541c6e441c44aad49254ad3093cedb2 Mon Sep 17 00:00:00 2001
From: Eric Anholt <eric@anholt.net>
Date: Thu, 26 Oct 2006 14:30:46 -0700
Subject: [PATCH] Note alignment requirement for i915 3D (texturing).

---
 src/i830_exa.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/src/i830_exa.c b/src/i830_exa.c
index a1c75463..7de56176 100644
--- a/src/i830_exa.c
+++ b/src/i830_exa.c
@@ -457,6 +457,7 @@ I830EXAInit(ScreenPtr pScreen)
 	/* disable Xv here... */
     }
 
+    /* i915 3D requires 16 byte alignment (4k if tiled) */
     pI830->EXADriverPtr->pixmapOffsetAlign = 256;
     pI830->EXADriverPtr->pixmapPitchAlign = 64;