Mesa (master): i965: Fix a potential assertion failure.

[Haihao Xiang]

Module: Mesa
Branch: master
Commit: 94d3a30df759bb7c2724fdcee9e89a350d3a4d8b
URL:    
http://cgit.freedesktop.org/mesa/mesa/commit/?id=94d3a30df759bb7c2724fdcee9e89a350d3a4d8b

Author: Xiang, Haihao <[EMAIL PROTECTED]>
Date:   Wed Oct  8 09:30:12 2008 +0800

i965: Fix a potential assertion failure.

---

 src/mesa/drivers/dri/i965/brw_draw_upload.c |    6 ++++--
 1 files changed, 4 insertions(+), 2 deletions(-)

diff --git a/src/mesa/drivers/dri/i965/brw_draw_upload.c 
b/src/mesa/drivers/dri/i965/brw_draw_upload.c
index 303eaac..cc3d939 100644
--- a/src/mesa/drivers/dri/i965/brw_draw_upload.c
+++ b/src/mesa/drivers/dri/i965/brw_draw_upload.c
@@ -365,8 +365,10 @@ static void brw_prepare_vertices(struct brw_context *brw)
         if (i == 0) {
            /* Position array not properly enabled:
             */
-           if (input->glarray->StrideB == 0)
-             return;
+            if (input->glarray->StrideB == 0) {
+               intel->Fallback = 1;
+               return;
+            }
 
            interleave = input->glarray->StrideB;
            ptr = input->glarray->Ptr;

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