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-rw-r--r--src/mesa/state_tracker/st_draw.c4
1 files changed, 3 insertions, 1 deletions
diff --git a/src/mesa/state_tracker/st_draw.c b/src/mesa/state_tracker/st_draw.c
index 8e036223c65..914a507bef6 100644
--- a/src/mesa/state_tracker/st_draw.c
+++ b/src/mesa/state_tracker/st_draw.c
@@ -229,8 +229,10 @@ setup_edgeflags(GLcontext *ctx, GLenum primMode, GLint start, GLint count,
struct st_buffer_object *stobj = st_buffer_object(array->BufferObj);
ubyte *map;
- if (!stobj)
+ if (!stobj || stobj->Base.Name == 0) {
+ /* edge flags are not in a VBO */
return NULL;
+ }
vec = (unsigned *) _mesa_calloc(sizeof(unsigned) * ((count + 31) / 32));
if (!vec)