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/mga/mga_xmesa.c b/src/mesa/drivers/dri/mga/mga_xmesa.c
index 34f17a2f647..cd524adc44f 100644
--- a/src/mesa/drivers/dri/mga/mga_xmesa.c
+++ b/src/mesa/drivers/dri/mga/mga_xmesa.c
@@ -66,6 +66,7 @@
 #include "vblank.h"
 
 #include "extensions.h"
+#include "drirenderbuffer.h"
 
 #include "GL/internal/dri_interface.h"
 
@@ -911,6 +912,7 @@ void mgaGetLock( mgaContextPtr mmesa, GLuint flags )
       mmesa->SetupNewInputs |= VERT_BIT_POS;
       mmesa->dirty_cliprects = (MGA_FRONT|MGA_BACK);
       mgaUpdateRects( mmesa, (MGA_FRONT|MGA_BACK) );
+      driUpdateFramebufferSize(mmesa->glCtx, dPriv);
    }
 
    mmesa->dirty |= MGA_UPLOAD_CONTEXT | MGA_UPLOAD_CLIPRECTS;
diff --git a/src/mesa/drivers/dri/mga/mgastate.c b/src/mesa/drivers/dri/mga/mgastate.c
index 139a4e2abd2..de3654bacb3 100644
--- a/src/mesa/drivers/dri/mga/mgastate.c
+++ b/src/mesa/drivers/dri/mga/mgastate.c
@@ -28,7 +28,6 @@
 
 
 #include "mtypes.h"
-#include "buffers.h"
 #include "colormac.h"
 #include "dd.h"
 
@@ -699,8 +698,6 @@ static void mgaViewport( GLcontext *ctx,
 			  GLint x, GLint y, 
 			  GLsizei width, GLsizei height )
 {
-   /* update size of Mesa/software ancillary buffers */
-   _mesa_ResizeBuffersMESA();
    mgaCalcViewport( ctx );
 }