Fix segfault in nouveauCalcViewport

diff --git a/src/mesa/drivers/dri/nouveau/nouveau_context.c b/src/mesa/drivers/dri/nouveau/nouveau_context.c
index f815ace..34a65d6 100644 (file)
--- a/src/mesa/drivers/dri/nouveau/nouveau_context.c
+++ b/src/mesa/drivers/dri/nouveau/nouveau_context.c
@@ -135,6 +135,8 @@ GLboolean nouveauCreateContext( const __GLcontextModes *glVisual,
        _tnl_CreateContext( ctx );
        _swsetup_CreateContext( ctx );
 
+       _math_matrix_ctr(&nmesa->viewport);
+
        switch(nmesa->screen->card->type)
        {
                case NV_03: