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-rw-r--r--src/mesa/main/varray.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/src/mesa/main/varray.c b/src/mesa/main/varray.c
index a048509e51..bf1ad0165e 100644
--- a/src/mesa/main/varray.c
+++ b/src/mesa/main/varray.c
@@ -76,7 +76,8 @@ update_array(GLcontext *ctx, struct gl_client_array *array,
*/
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 */