mesa: Branch 'master'

[Roland Scheidegger]

 src/mesa/main/varray.c |    3 ++-
 1 files changed, 2 insertions(+), 1 deletion(-)

New commits:
diff-tree cda32360925d84072a69c6fc0bfebbfe07d90ebc (from 9b9e056615bc63d5498feb6999bd4df431170022)
Author: Roland Scheidegger <sroland at tungstengraphics.com>
Date:   Tue Mar 27 21:03:32 2007 +0200

    fix incorrect _MaxElement calculation
    
    The calculation of _MaxElement was wrong if the stride was larger than
    elementSize, which lead to rejection of every DrawElements call which accessed
    the maximum element if CheckArrayBounds was enabled.

diff --git a/src/mesa/main/varray.c b/src/mesa/main/varray.c
index a048509..bf1ad01 100644
--- a/src/mesa/main/varray.c
+++ b/src/mesa/main/varray.c
@@ -76,7 +76,8 @@ update_array(GLcontext *ctx, struct gl_c
     */
    if (ctx->Array.ArrayBufferObj->Name)
       array->_MaxElement = ((GLsizeiptrARB) ctx->Array.ArrayBufferObj->Size
-                            - (GLsizeiptrARB) array->Ptr) / array->StrideB;
+                            - (GLsizeiptrARB) array->Ptr + array->StrideB
+                            - elementSize) / array->StrideB;
    else
 #endif
       array->_MaxElement = 2 * 1000 * 1000 * 1000; /* just a big number */