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-rw-r--r--src/mesa/vbo/vbo_exec_draw.c4
1 files changed, 3 insertions, 1 deletions
diff --git a/src/mesa/vbo/vbo_exec_draw.c b/src/mesa/vbo/vbo_exec_draw.c
index 53fa90b8afa..0c258c535e0 100644
--- a/src/mesa/vbo/vbo_exec_draw.c
+++ b/src/mesa/vbo/vbo_exec_draw.c
@@ -218,7 +218,9 @@ vbo_exec_bind_arrays( GLcontext *ctx )
/* a real buffer obj: Ptr is an offset, not a pointer*/
GLsizeiptr offset;
assert(exec->vtx.bufferobj->Pointer); /* buf should be mapped */
- offset = (GLbyte *) data - (GLbyte *) exec->vtx.bufferobj->Pointer;
+ offset = (GLbyte *) data -
+ (GLbyte *) exec->vtx.bufferobj->Pointer +
+ exec->vtx.bufferobj->Offset;
assert(offset >= 0);
arrays[attr].Ptr = (void *) offset;
}