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-rw-r--r--src/mesa/tnl/t_draw.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/src/mesa/tnl/t_draw.c b/src/mesa/tnl/t_draw.c
index adc50485c1d..812d712b079 100644
--- a/src/mesa/tnl/t_draw.c
+++ b/src/mesa/tnl/t_draw.c
@@ -402,6 +402,9 @@ void _tnl_draw_prims( GLcontext *ctx,
GLint max_basevertex = prim->basevertex;
GLuint i;
+ /* Mesa core state should have been validated already */
+ assert(ctx->NewState == 0x0);
+
if (!_mesa_check_conditional_render(ctx))
return; /* don't draw */