3 files changed, 3 insertions, 2 deletions
diff --git a/src/mesa/drivers/dri/unichrome/via_context.c b/src/mesa/drivers/dri/unichrome/via_context.c
index 490f574ad1..562538abbf 100644
--- a/src/mesa/drivers/dri/unichrome/via_context.c
+++ b/src/mesa/drivers/dri/unichrome/via_context.c
@@ -909,7 +909,7 @@ void viaXMesaWindowMoved(viaContextPtr vmesa)
 	    vmesa->drawXoffSaam = 0;
     }
     
-    vmesa->glCtx->Driver.Viewport(vmesa->glCtx,0 ,0 ,0 ,0);
+    viaCalcViewport(vmesa->glCtx);
 }
 
 GLboolean
diff --git a/src/mesa/drivers/dri/unichrome/via_state.c b/src/mesa/drivers/dri/unichrome/via_state.c
index 4c78a3f263..4f75f08617 100644
--- a/src/mesa/drivers/dri/unichrome/via_state.c
+++ b/src/mesa/drivers/dri/unichrome/via_state.c
@@ -437,7 +437,7 @@ void viaEmitDrawingRectangle(viaContextPtr vmesa)
 }
 
 
-static void viaCalcViewport(GLcontext *ctx)
+void viaCalcViewport(GLcontext *ctx)
 {
     viaContextPtr vmesa = VIA_CONTEXT(ctx);
     const GLfloat *v = ctx->Viewport._WindowMap.m;
diff --git a/src/mesa/drivers/dri/unichrome/via_state.h b/src/mesa/drivers/dri/unichrome/via_state.h
index 76d81c2cff..08f8a49af3 100644
--- a/src/mesa/drivers/dri/unichrome/via_state.h
+++ b/src/mesa/drivers/dri/unichrome/via_state.h
@@ -29,6 +29,7 @@
 
 extern void viaInitState(GLcontext *ctx);
 extern void viaInitStateFuncs(GLcontext *ctx);
+extern void viaCalcViewport(GLcontext *ctx);
 extern void viaPrintDirty(const char *msg, GLuint state);
 extern void viaChooseTextureState(GLcontext *ctx);
 extern void viaChooseColorState(GLcontext *ctx);