2 files changed, 3 insertions, 4 deletions
diff --git a/src/mesa/drivers/dri/tdfx/tdfx_context.c b/src/mesa/drivers/dri/tdfx/tdfx_context.c
index 56b1e459b74..683c9bd5f24 100644
--- a/src/mesa/drivers/dri/tdfx/tdfx_context.c
+++ b/src/mesa/drivers/dri/tdfx/tdfx_context.c
@@ -666,10 +666,6 @@ tdfxMakeCurrent( __DRIcontextPrivate *driContextPriv,
       _mesa_make_current2( newCtx,
                            (GLframebuffer *) driDrawPriv->driverPrivate,
                            (GLframebuffer *) driReadPriv->driverPrivate );
-
-      if ( !newCtx->Viewport.Width ) {
-	 _mesa_set_viewport( newCtx, 0, 0, driDrawPriv->w, driDrawPriv->h );
-      }
    } else {
       _mesa_make_current( 0, 0 );
    }
diff --git a/src/mesa/drivers/dri/tdfx/tdfx_state.c b/src/mesa/drivers/dri/tdfx/tdfx_state.c
index 818a9bc23f4..6edf804b2ec 100644
--- a/src/mesa/drivers/dri/tdfx/tdfx_state.c
+++ b/src/mesa/drivers/dri/tdfx/tdfx_state.c
@@ -40,6 +40,7 @@
  */
 
 #include "mtypes.h"
+#include "buffers.h"
 #include "colormac.h"
 #include "texformat.h"
 #include "texstore.h"
@@ -902,6 +903,8 @@ static void tdfxDDViewport( GLcontext *ctx, GLint x, GLint y,
 			    GLsizei w, GLsizei h )
 {
    tdfxContextPtr fxMesa = TDFX_CONTEXT(ctx);
+   /* update size of Mesa/software ancillary buffers */
+   _mesa_ResizeBuffersMESA();
    FLUSH_BATCH( fxMesa );
    fxMesa->new_state |= TDFX_NEW_VIEWPORT;
 }