50 lines
1.9 KiB
C
50 lines
1.9 KiB
C
/*
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* Copyright 2007 Red Hat, Inc.
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*
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the "Software"),
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* to deal in the Software without restriction, including without limitation
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* the rights to use, copy, modify, merge, publish, distribute, sublicense,
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* and/or sell copies of the Software, and to permit persons to whom the
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* Software is furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice (including the next
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* paragraph) shall be included in all copies or substantial portions of the
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* Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
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* DEALINGS IN THE SOFTWARE.
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*/
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#ifdef HAVE_DIX_CONFIG_H
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#include <dix-config.h>
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#endif
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#include "scrnintstr.h"
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#include "mibstore.h"
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/*
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* There is no longer an mi implementation of backing store. This function
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* is only for source compatibility with old drivers.
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*
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* Note though that you do get backing store for free if your server has
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* Composite enabled, since the automatic redirection mechanism provides
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* essentially the same functionality. See compChangeWindowAttributes()
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* for the implementation.
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*/
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void
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miInitializeBackingStore (ScreenPtr pScreen)
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{
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pScreen->SaveDoomedAreas = NULL;
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pScreen->RestoreAreas = NULL;
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pScreen->ExposeCopy = NULL;
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pScreen->TranslateBackingStore = NULL;
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pScreen->ClearBackingStore = NULL;
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pScreen->DrawGuarantee = NULL;
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}
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