| 1 | /******************************************************************************
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| 2 | *
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| 3 | * Copyright (c) 1994, 1995 Hewlett-Packard Company
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| 4 | *
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| 5 | * Permission is hereby granted, free of charge, to any person obtaining
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| 6 | * a copy of this software and associated documentation files (the
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| 7 | * "Software"), to deal in the Software without restriction, including
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| 8 | * without limitation the rights to use, copy, modify, merge, publish,
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| 9 | * distribute, sublicense, and/or sell copies of the Software, and to
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| 10 | * permit persons to whom the Software is furnished to do so, subject to
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| 11 | * the following conditions:
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| 12 | *
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| 13 | * The above copyright notice and this permission notice shall be included
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| 14 | * in all copies or substantial portions of the Software.
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| 15 | *
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| 16 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
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| 17 | * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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| 18 | * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
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| 19 | * IN NO EVENT SHALL HEWLETT-PACKARD COMPANY BE LIABLE FOR ANY CLAIM,
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| 20 | * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
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| 21 | * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR
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| 22 | * THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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| 23 | *
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| 24 | * Except as contained in this notice, the name of the Hewlett-Packard
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| 25 | * Company shall not be used in advertising or otherwise to promote the
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| 26 | * sale, use or other dealings in this Software without prior written
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| 27 | * authorization from the Hewlett-Packard Company.
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| 28 | *
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| 29 | * Header file for users of machine-independent DBE code
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| 30 | *
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| 31 | *****************************************************************************/
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| 32 |
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| 33 | #ifdef HAVE_DIX_CONFIG_H
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| 34 | #include <dix-config.h>
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| 35 | #endif
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| 36 |
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| 37 | #ifndef MIDBE_STRUCT_H
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| 38 | #define MIDBE_STRUCT_H
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| 39 |
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| 40 | /* DEFINES */
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| 41 |
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| 42 | #define MI_DBE_WINDOW_PRIV_PRIV(pDbeWindowPriv) \
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| 43 | (!(pDbeWindowPriv) ? NULL : (MiDbeWindowPrivPrivPtr) \
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| 44 | dixLookupPrivate(&(pDbeWindowPriv)->devPrivates, miDbeWindowPrivPrivKey))
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| 45 |
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| 46 | #define MI_DBE_WINDOW_PRIV_PRIV_FROM_WINDOW(pWin)\
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| 47 | MI_DBE_WINDOW_PRIV_PRIV(DBE_WINDOW_PRIV(pWin))
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| 48 |
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| 49 | /* TYPEDEFS */
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| 50 |
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| 51 | typedef struct _MiDbeWindowPrivPrivRec {
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| 52 | /* Place machine-specific fields in here.
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| 53 | * Since this is mi code, we do not really have machine-specific fields.
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| 54 | */
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| 55 |
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| 56 | /* Pointer to a drawable that contains the contents of the back buffer.
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| 57 | */
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| 58 | PixmapPtr pBackBuffer;
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| 59 |
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| 60 | /* Pointer to a drawable that contains the contents of the front buffer.
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| 61 | * This pointer is only used for the XdbeUntouched swap action. For that
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| 62 | * swap action, we need to copy the front buffer (window) contents into
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| 63 | * this drawable, copy the contents of current back buffer drawable (the
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| 64 | * back buffer) into the window, swap the front and back drawable pointers,
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| 65 | * and then swap the drawable/resource associations in the resource
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| 66 | * database.
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| 67 | */
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| 68 | PixmapPtr pFrontBuffer;
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| 69 |
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| 70 | /* Pointer back to our window private with which we are associated. */
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| 71 | DbeWindowPrivPtr pDbeWindowPriv;
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| 72 |
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| 73 | } MiDbeWindowPrivPrivRec, *MiDbeWindowPrivPrivPtr;
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| 74 |
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| 75 | #endif /* MIDBE_STRUCT_H */
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