[BeOS]Bug 283225. Using minimalistic syncing now. p=sergei_d, r=thesuckiestmail, BeOS-only

gfx/src/beos/nsDrawingSurfaceBeOS.cpp

@@ -92,7 +92,8 @@ NS_IMETHODIMP nsDrawingSurfaceBeOS :: Lock(PRInt32 aX, PRInt32 aY,
 
   if (mBitmap && !mLocked)
   {
-
+    if (mView)
+      mView->Sync();
     if (mLockFlags & NS_LOCK_SURFACE_READ_ONLY)
       mBitmap->LockBits();
     *aStride = mBitmap->BytesPerRow();
@@ -256,9 +257,6 @@ void nsDrawingSurfaceBeOS :: UnlockDrawable()
 {
   if (!mView)
     return;
-    
-  if (mBitmap)
-    mView->Sync();
   else
     mView->UnlockLooper();
 }

gfx/src/beos/nsImageBeOS.cpp

@@ -435,6 +435,7 @@ NS_IMETHODIMP nsImageBeOS::DrawTile(nsIRenderingContext &aContext, nsIDrawingSur
 			// Flushing tile bitmap to proper area in drawable BView	
 			view->DrawBitmap(mTileBitmap, BPoint(aTileRect.x , aTileRect.y ));
 			view->SetDrawingMode(B_OP_COPY);
+			view->Sync();
 		}
 		((nsRenderingContextBeOS&)aContext).UnlockView();
 		beosdrawing->ReleaseView();
@@ -474,6 +475,7 @@ nsresult nsImageBeOS::Optimize(nsIDeviceContext *aContext)
 // the BeOS port or not. BBitmap::Lock/UnlockBits()  may be used if necessary
 NS_IMETHODIMP nsImageBeOS::LockImagePixels(PRBool aMaskPixels) 
 {
+	// we may need some sort of syncing here in future
 	return NS_OK;
 }