Skip BitBlt DIB optimization if source and dest DCs have different

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Skip BitBlt DIB optimization if source and dest DCs have different
3c76b144 · Alexandre Julliard · 94ce2a33 · 3c76b144
Commit 3c76b144 authored Oct 03, 2001 by Alexandre Julliard
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bitblt.c graphics/x11drv/bitblt.c +3 -1

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--- a/graphics/x11drv/bitblt.c
+++ b/graphics/x11drv/bitblt.c
@@ -1504,7 +1504,9 @@ BOOL X11DRV_BitBlt( DC *dcDst, INT xDst, INT yDst,
    sDst = X11DRV_LockDIBSection( dcDst, DIB_Status_None, FALSE );
    sSrc = X11DRV_LockDIBSection( dcSrc, DIB_Status_None, FALSE );

-    if ((sSrc == DIB_Status_AppMod) && (rop == SRCCOPY)) {
+    if ((sSrc == DIB_Status_AppMod) && (rop == SRCCOPY) &&
+        (dcSrc->bitsPerPixel == dcDst->bitsPerPixel))
+    {
      /* do everything ourselves; map coordinates */
      xSrc = dcSrc->DCOrgX + XLPTODP( dcSrc, xSrc );
      ySrc = dcSrc->DCOrgY + YLPTODP( dcSrc, ySrc );