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-rw-r--r--src/mesa/state_tracker/st_draw.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/src/mesa/state_tracker/st_draw.c b/src/mesa/state_tracker/st_draw.c
index f62f2b3a3a..cc204640eb 100644
--- a/src/mesa/state_tracker/st_draw.c
+++ b/src/mesa/state_tracker/st_draw.c
@@ -160,6 +160,7 @@ st_draw_vbo(GLcontext *ctx,
winsys->buffer_reference(winsys, &vbuffer[attr].buffer, stobj->buffer);
vbuffer[attr].buffer_offset = (unsigned) arrays[0]->Ptr;/* in bytes */
velement.src_offset = arrays[mesaAttr]->Ptr - arrays[0]->Ptr;
+ assert(velement.src_offset <= 2048); /* 11-bit field */
}
else {
/* attribute data is in user-space memory, not a VBO */