tnl: check that state is validated before drawing

(cherry picked from commit 9fd3c74724e557bc6ecc851d8552615ab3becfe2)

Conflicts:

	src/mesa/tnl/t_draw.c

diff --git a/src/mesa/tnl/t_draw.c b/src/mesa/tnl/t_draw.c
index adc50485c1dd4bc656031b26ad9cd4b642828187..812d712b0793584121391a849cab3129da201696 100644 (file)
--- 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 */