| 1 | /*
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| 2 | * $XFree86: xc/programs/Xserver/miext/shadow/shadow.h,v 1.7 2002/12/02 20:37:24 tsi Exp $
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| 3 | *
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| 4 | * Copyright © 2000 Keith Packard
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| 5 | *
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| 6 | * Permission to use, copy, modify, distribute, and sell this software and its
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| 7 | * documentation for any purpose is hereby granted without fee, provided that
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| 8 | * the above copyright notice appear in all copies and that both that
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| 9 | * copyright notice and this permission notice appear in supporting
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| 10 | * documentation, and that the name of Keith Packard not be used in
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| 11 | * advertising or publicity pertaining to distribution of the software without
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| 12 | * specific, written prior permission. Keith Packard makes no
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| 13 | * representations about the suitability of this software for any purpose. It
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| 14 | * is provided "as is" without express or implied warranty.
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| 15 | *
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| 16 | * KEITH PACKARD DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
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| 17 | * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO
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| 18 | * EVENT SHALL KEITH PACKARD BE LIABLE FOR ANY SPECIAL, INDIRECT OR
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| 19 | * CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE,
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| 20 | * DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
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| 21 | * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
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| 22 | * PERFORMANCE OF THIS SOFTWARE.
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| 23 | */
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| 24 |
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| 25 | #ifndef _SHADOW_H_
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| 26 | #define _SHADOW_H_
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| 27 |
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| 28 | #include "scrnintstr.h"
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| 29 |
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| 30 | #ifdef RENDER
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| 31 | #include "picturestr.h"
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| 32 | #endif
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| 33 |
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| 34 | typedef struct _shadowBuf *shadowBufPtr;
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| 35 |
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| 36 | typedef void (*ShadowUpdateProc) (ScreenPtr pScreen,
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| 37 | shadowBufPtr pBuf);
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| 38 |
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| 39 | #define SHADOW_WINDOW_RELOCATE 1
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| 40 | #define SHADOW_WINDOW_READ 2
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| 41 | #define SHADOW_WINDOW_WRITE 4
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| 42 |
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| 43 | typedef void *(*ShadowWindowProc) (ScreenPtr pScreen,
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| 44 | CARD32 row,
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| 45 | CARD32 offset,
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| 46 | int mode,
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| 47 | CARD32 *size,
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| 48 | void *closure);
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| 49 |
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| 50 | typedef struct _shadowBuf {
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| 51 | shadowBufPtr pNext;
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| 52 | ShadowUpdateProc update;
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| 53 | ShadowWindowProc window;
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| 54 | RegionRec damage;
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| 55 | PixmapPtr pPixmap;
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| 56 | void *closure;
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| 57 | int randr;
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| 58 | } shadowBufRec;
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| 59 |
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| 60 | /* Match defines from randr extension */
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| 61 | #define SHADOW_ROTATE_0 1
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| 62 | #define SHADOW_ROTATE_90 2
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| 63 | #define SHADOW_ROTATE_180 4
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| 64 | #define SHADOW_ROTATE_270 8
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| 65 | #define SHADOW_ROTATE_ALL (SHADOW_ROTATE_0|SHADOW_ROTATE_90|\
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| 66 | SHADOW_ROTATE_180|SHADOW_ROTATE_270)
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| 67 | #define SHADOW_REFLECT_X 16
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| 68 | #define SHADOW_REFLECT_Y 32
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| 69 | #define SHADOW_REFLECT_ALL (SHADOW_REFLECT_X|SHADOW_REFLECT_Y)
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| 70 |
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| 71 | typedef struct _shadowScrPriv {
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| 72 | PaintWindowBackgroundProcPtr PaintWindowBackground;
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| 73 | PaintWindowBorderProcPtr PaintWindowBorder;
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| 74 | CopyWindowProcPtr CopyWindow;
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| 75 | CloseScreenProcPtr CloseScreen;
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| 76 | CreateGCProcPtr CreateGC;
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| 77 | GetImageProcPtr GetImage;
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| 78 | #ifdef RENDER
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| 79 | CompositeProcPtr Composite;
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| 80 | GlyphsProcPtr Glyphs;
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| 81 | #endif
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| 82 | shadowBufPtr pBuf;
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| 83 | BSFuncRec BackingStoreFuncs;
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| 84 | } shadowScrPrivRec, *shadowScrPrivPtr;
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| 85 |
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| 86 | extern int shadowScrPrivateIndex;
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| 87 |
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| 88 | #define shadowGetScrPriv(pScr) ((shadowScrPrivPtr) (pScr)->devPrivates[shadowScrPrivateIndex].ptr)
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| 89 | #define shadowScrPriv(pScr) shadowScrPrivPtr pScrPriv = shadowGetScrPriv(pScr)
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| 90 |
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| 91 | Bool
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| 92 | shadowSetup (ScreenPtr pScreen);
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| 93 |
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| 94 | Bool
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| 95 | shadowAdd (ScreenPtr pScreen,
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| 96 | PixmapPtr pPixmap,
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| 97 | ShadowUpdateProc update,
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| 98 | ShadowWindowProc window,
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| 99 | int randr,
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| 100 | void *closure);
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| 101 |
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| 102 | void
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| 103 | shadowRemove (ScreenPtr pScreen, PixmapPtr pPixmap);
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| 104 |
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| 105 | shadowBufPtr
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| 106 | shadowFindBuf (WindowPtr pWindow);
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| 107 |
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| 108 | Bool
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| 109 | shadowInit (ScreenPtr pScreen, ShadowUpdateProc update, ShadowWindowProc window);
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| 110 |
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| 111 | void *
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| 112 | shadowAlloc (int width, int height, int bpp);
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| 113 |
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| 114 | void
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| 115 | shadowUpdatePacked (ScreenPtr pScreen,
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| 116 | shadowBufPtr pBuf);
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| 117 |
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| 118 | void
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| 119 | shadowUpdatePlanar4 (ScreenPtr pScreen,
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| 120 | shadowBufPtr pBuf);
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| 121 |
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| 122 | void
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| 123 | shadowUpdatePlanar4x8 (ScreenPtr pScreen,
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| 124 | shadowBufPtr pBuf);
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| 125 |
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| 126 | void
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| 127 | shadowUpdateRotatePacked (ScreenPtr pScreen,
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| 128 | shadowBufPtr pBuf);
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| 129 |
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| 130 | void
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| 131 | shadowUpdateRotate8_90 (ScreenPtr pScreen,
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| 132 | shadowBufPtr pBuf);
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| 133 |
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| 134 | void
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| 135 | shadowUpdateRotate16_90 (ScreenPtr pScreen,
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| 136 | shadowBufPtr pBuf);
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| 137 |
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| 138 | void
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| 139 | shadowUpdateRotate32_90 (ScreenPtr pScreen,
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| 140 | shadowBufPtr pBuf);
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| 141 |
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| 142 | void
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| 143 | shadowUpdateRotate8_180 (ScreenPtr pScreen,
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| 144 | shadowBufPtr pBuf);
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| 145 |
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| 146 | void
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| 147 | shadowUpdateRotate16_180 (ScreenPtr pScreen,
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| 148 | shadowBufPtr pBuf);
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| 149 |
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| 150 | void
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| 151 | shadowUpdateRotate32_180 (ScreenPtr pScreen,
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| 152 | shadowBufPtr pBuf);
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| 153 |
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| 154 | void
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| 155 | shadowUpdateRotate8_270 (ScreenPtr pScreen,
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| 156 | shadowBufPtr pBuf);
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| 157 |
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| 158 | void
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| 159 | shadowUpdateRotate16_270 (ScreenPtr pScreen,
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| 160 | shadowBufPtr pBuf);
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| 161 |
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| 162 | void
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| 163 | shadowUpdateRotate32_270 (ScreenPtr pScreen,
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| 164 | shadowBufPtr pBuf);
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| 165 |
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| 166 | void
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| 167 | shadowWrapGC (GCPtr pGC);
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| 168 |
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| 169 | void
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| 170 | shadowUnwrapGC (GCPtr pGC);
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| 171 |
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| 172 | #endif /* _SHADOW_H_ */
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