Instead of calling _mesa_ResizeBuffersMESA() in the Viewport function,

call driUpdateFramebufferSize() when window size/position changes.

2 files changed, 2 insertions, 3 deletions

diff --git a/src/mesa/drivers/dri/sis/sis_lock.c b/src/mesa/drivers/dri/sis/sis_lock.c
index f598e52d92..386f99ca27 100644
--- a/src/mesa/drivers/dri/sis/sis_lock.c
+++ b/src/mesa/drivers/dri/sis/sis_lock.c
@@ -34,6 +34,7 @@ CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
 #include "sis_lock.h"
 #include "sis_dd.h"
 #include "sis_state.h"
+#include "drirenderbuffer.h"
 
 /* Update the hardware state.  This is called if another context has
  * grabbed the hardware lock, which includes the X server.  This
@@ -66,6 +67,7 @@ sisGetLock( sisContextPtr smesa, GLuint flags )
       sisUpdateBufferSize( smesa );
       sisUpdateClipping( smesa->glCtx );
       sisDDDrawBuffer( smesa->glCtx, smesa->glCtx->Color.DrawBuffer[0] );
+      driUpdateFramebufferSize(smesa->glCtx, dPriv);
       smesa->lastStamp = dPriv->lastStamp;
    }
 
diff --git a/src/mesa/drivers/dri/sis/sis_state.c b/src/mesa/drivers/dri/sis/sis_state.c
index 50c45b63ed..8349c42d29 100644
--- a/src/mesa/drivers/dri/sis/sis_state.c
+++ b/src/mesa/drivers/dri/sis/sis_state.c
@@ -39,7 +39,6 @@ USE OR OTHER DEALINGS IN THE SOFTWARE.
 #include "sis_tex.h"
 
 #include "context.h"
-#include "buffers.h"
 #include "enums.h"
 #include "colormac.h"
 #include "swrast/swrast.h"
@@ -437,8 +436,6 @@ static void sisDDViewport( GLcontext *ctx,
 			   GLint x, GLint y,
 			   GLsizei width, GLsizei height )
 {
-   /* update size of Mesa/software ancillary buffers */
-   _mesa_ResizeBuffersMESA();
    sisCalcViewport( ctx );
 }