2 files changed, 3 insertions, 4 deletions
diff --git a/src/mesa/drivers/dri/i830/i830_context.c b/src/mesa/drivers/dri/i830/i830_context.c
index 3e6f8a9a1fb..082476f2118 100644
--- a/src/mesa/drivers/dri/i830/i830_context.c
+++ b/src/mesa/drivers/dri/i830/i830_context.c
@@ -530,10 +530,6 @@ GLboolean i830MakeCurrent(__DRIcontextPrivate *driContextPriv,
       _mesa_make_current2(imesa->glCtx,
 			  (GLframebuffer *) driDrawPriv->driverPrivate,
 			  (GLframebuffer *) driReadPriv->driverPrivate);
-
-      if (!imesa->glCtx->Viewport.Width)
-	 _mesa_set_viewport(imesa->glCtx, 0, 0,
-			    driDrawPriv->w, driDrawPriv->h);
    } else {
       _mesa_make_current(0,0);
    }
diff --git a/src/mesa/drivers/dri/i830/i830_state.c b/src/mesa/drivers/dri/i830/i830_state.c
index 12cec35c3da..f8979c70187 100644
--- a/src/mesa/drivers/dri/i830/i830_state.c
+++ b/src/mesa/drivers/dri/i830/i830_state.c
@@ -36,6 +36,7 @@ USE OR OTHER DEALINGS IN THE SOFTWARE.
  */
 
 #include "glheader.h"
+#include "buffers.h"
 #include "context.h"
 #include "macros.h"
 #include "enums.h"
@@ -1228,6 +1229,8 @@ static void i830Viewport( GLcontext *ctx,
 			  GLint x, GLint y,
 			  GLsizei width, GLsizei height )
 {
+   /* update size of Mesa/software ancillary buffers */
+   _mesa_ResizeBuffersMESA();
    i830CalcViewport( ctx );
 }