| 1 | /*
|
|---|
| 2 | *
|
|---|
| 3 | * Copyright © 2000 Keith Packard
|
|---|
| 4 | *
|
|---|
| 5 | * Permission to use, copy, modify, distribute, and sell this software and its
|
|---|
| 6 | * documentation for any purpose is hereby granted without fee, provided that
|
|---|
| 7 | * the above copyright notice appear in all copies and that both that
|
|---|
| 8 | * copyright notice and this permission notice appear in supporting
|
|---|
| 9 | * documentation, and that the name of Keith Packard not be used in
|
|---|
| 10 | * advertising or publicity pertaining to distribution of the software without
|
|---|
| 11 | * specific, written prior permission. Keith Packard makes no
|
|---|
| 12 | * representations about the suitability of this software for any purpose. It
|
|---|
| 13 | * is provided "as is" without express or implied warranty.
|
|---|
| 14 | *
|
|---|
| 15 | * KEITH PACKARD DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
|
|---|
| 16 | * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO
|
|---|
| 17 | * EVENT SHALL KEITH PACKARD BE LIABLE FOR ANY SPECIAL, INDIRECT OR
|
|---|
| 18 | * CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE,
|
|---|
| 19 | * DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
|
|---|
| 20 | * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
|
|---|
| 21 | * PERFORMANCE OF THIS SOFTWARE.
|
|---|
| 22 | */
|
|---|
| 23 |
|
|---|
| 24 | #ifndef _SHADOW_H_
|
|---|
| 25 | #define _SHADOW_H_
|
|---|
| 26 |
|
|---|
| 27 | #include "scrnintstr.h"
|
|---|
| 28 |
|
|---|
| 29 | #include "picturestr.h"
|
|---|
| 30 |
|
|---|
| 31 | #include "damage.h"
|
|---|
| 32 | #include "damagestr.h"
|
|---|
| 33 | typedef struct _shadowBuf *shadowBufPtr;
|
|---|
| 34 |
|
|---|
| 35 | typedef void (*ShadowUpdateProc) (ScreenPtr pScreen,
|
|---|
| 36 | shadowBufPtr pBuf);
|
|---|
| 37 |
|
|---|
| 38 | #define SHADOW_WINDOW_RELOCATE 1
|
|---|
| 39 | #define SHADOW_WINDOW_READ 2
|
|---|
| 40 | #define SHADOW_WINDOW_WRITE 4
|
|---|
| 41 |
|
|---|
| 42 | typedef void *(*ShadowWindowProc) (ScreenPtr pScreen,
|
|---|
| 43 | CARD32 row,
|
|---|
| 44 | CARD32 offset,
|
|---|
| 45 | int mode,
|
|---|
| 46 | CARD32 *size,
|
|---|
| 47 | void *closure);
|
|---|
| 48 |
|
|---|
| 49 | /* BC hack: do not move the damage member. see shadow.c for explanation. */
|
|---|
| 50 | typedef struct _shadowBuf {
|
|---|
| 51 | DamagePtr pDamage;
|
|---|
| 52 | ShadowUpdateProc update;
|
|---|
| 53 | ShadowWindowProc window;
|
|---|
| 54 | RegionRec damage;
|
|---|
| 55 | PixmapPtr pPixmap;
|
|---|
| 56 | void *closure;
|
|---|
| 57 | int randr;
|
|---|
| 58 |
|
|---|
| 59 | /* screen wrappers */
|
|---|
| 60 | GetImageProcPtr GetImage;
|
|---|
| 61 | CloseScreenProcPtr CloseScreen;
|
|---|
| 62 | } shadowBufRec;
|
|---|
| 63 |
|
|---|
| 64 | /* Match defines from randr extension */
|
|---|
| 65 | #define SHADOW_ROTATE_0 1
|
|---|
| 66 | #define SHADOW_ROTATE_90 2
|
|---|
| 67 | #define SHADOW_ROTATE_180 4
|
|---|
| 68 | #define SHADOW_ROTATE_270 8
|
|---|
| 69 | #define SHADOW_ROTATE_ALL (SHADOW_ROTATE_0|SHADOW_ROTATE_90|\
|
|---|
| 70 | SHADOW_ROTATE_180|SHADOW_ROTATE_270)
|
|---|
| 71 | #define SHADOW_REFLECT_X 16
|
|---|
| 72 | #define SHADOW_REFLECT_Y 32
|
|---|
| 73 | #define SHADOW_REFLECT_ALL (SHADOW_REFLECT_X|SHADOW_REFLECT_Y)
|
|---|
| 74 |
|
|---|
| 75 | extern _X_EXPORT DevPrivateKey shadowScrPrivateKey;
|
|---|
| 76 |
|
|---|
| 77 | #define shadowGetBuf(pScr) ((shadowBufPtr) \
|
|---|
| 78 | dixLookupPrivate(&(pScr)->devPrivates, shadowScrPrivateKey))
|
|---|
| 79 | #define shadowBuf(pScr) shadowBufPtr pBuf = shadowGetBuf(pScr)
|
|---|
| 80 | #define shadowDamage(pBuf) DamageRegion(pBuf->pDamage)
|
|---|
| 81 |
|
|---|
| 82 | extern _X_EXPORT Bool
|
|---|
| 83 | shadowSetup (ScreenPtr pScreen);
|
|---|
| 84 |
|
|---|
| 85 | extern _X_EXPORT Bool
|
|---|
| 86 | shadowAdd (ScreenPtr pScreen,
|
|---|
| 87 | PixmapPtr pPixmap,
|
|---|
| 88 | ShadowUpdateProc update,
|
|---|
| 89 | ShadowWindowProc window,
|
|---|
| 90 | int randr,
|
|---|
| 91 | void *closure);
|
|---|
| 92 |
|
|---|
| 93 | extern _X_EXPORT void
|
|---|
| 94 | shadowRemove (ScreenPtr pScreen, PixmapPtr pPixmap);
|
|---|
| 95 |
|
|---|
| 96 | extern _X_EXPORT Bool
|
|---|
| 97 | shadowInit (ScreenPtr pScreen, ShadowUpdateProc update, ShadowWindowProc window);
|
|---|
| 98 |
|
|---|
| 99 | extern _X_EXPORT void *
|
|---|
| 100 | shadowAlloc (int width, int height, int bpp);
|
|---|
| 101 |
|
|---|
| 102 | extern _X_EXPORT void
|
|---|
| 103 | shadowUpdatePacked (ScreenPtr pScreen,
|
|---|
| 104 | shadowBufPtr pBuf);
|
|---|
| 105 |
|
|---|
| 106 | extern _X_EXPORT void
|
|---|
| 107 | shadowUpdatePlanar4 (ScreenPtr pScreen,
|
|---|
| 108 | shadowBufPtr pBuf);
|
|---|
| 109 |
|
|---|
| 110 | extern _X_EXPORT void
|
|---|
| 111 | shadowUpdatePlanar4x8 (ScreenPtr pScreen,
|
|---|
| 112 | shadowBufPtr pBuf);
|
|---|
| 113 |
|
|---|
| 114 | extern _X_EXPORT void
|
|---|
| 115 | shadowUpdateRotatePacked (ScreenPtr pScreen,
|
|---|
| 116 | shadowBufPtr pBuf);
|
|---|
| 117 |
|
|---|
| 118 | extern _X_EXPORT void
|
|---|
| 119 | shadowUpdateRotate8_90 (ScreenPtr pScreen,
|
|---|
| 120 | shadowBufPtr pBuf);
|
|---|
| 121 |
|
|---|
| 122 | extern _X_EXPORT void
|
|---|
| 123 | shadowUpdateRotate16_90 (ScreenPtr pScreen,
|
|---|
| 124 | shadowBufPtr pBuf);
|
|---|
| 125 |
|
|---|
| 126 | extern _X_EXPORT void
|
|---|
| 127 | shadowUpdateRotate16_90YX (ScreenPtr pScreen,
|
|---|
| 128 | shadowBufPtr pBuf);
|
|---|
| 129 |
|
|---|
| 130 | extern _X_EXPORT void
|
|---|
| 131 | shadowUpdateRotate32_90 (ScreenPtr pScreen,
|
|---|
| 132 | shadowBufPtr pBuf);
|
|---|
| 133 |
|
|---|
| 134 | extern _X_EXPORT void
|
|---|
| 135 | shadowUpdateRotate8_180 (ScreenPtr pScreen,
|
|---|
| 136 | shadowBufPtr pBuf);
|
|---|
| 137 |
|
|---|
| 138 | extern _X_EXPORT void
|
|---|
| 139 | shadowUpdateRotate16_180 (ScreenPtr pScreen,
|
|---|
| 140 | shadowBufPtr pBuf);
|
|---|
| 141 |
|
|---|
| 142 | extern _X_EXPORT void
|
|---|
| 143 | shadowUpdateRotate32_180 (ScreenPtr pScreen,
|
|---|
| 144 | shadowBufPtr pBuf);
|
|---|
| 145 |
|
|---|
| 146 | extern _X_EXPORT void
|
|---|
| 147 | shadowUpdateRotate8_270 (ScreenPtr pScreen,
|
|---|
| 148 | shadowBufPtr pBuf);
|
|---|
| 149 |
|
|---|
| 150 | extern _X_EXPORT void
|
|---|
| 151 | shadowUpdateRotate16_270 (ScreenPtr pScreen,
|
|---|
| 152 | shadowBufPtr pBuf);
|
|---|
| 153 |
|
|---|
| 154 | extern _X_EXPORT void
|
|---|
| 155 | shadowUpdateRotate16_270YX (ScreenPtr pScreen,
|
|---|
| 156 | shadowBufPtr pBuf);
|
|---|
| 157 |
|
|---|
| 158 | extern _X_EXPORT void
|
|---|
| 159 | shadowUpdateRotate32_270 (ScreenPtr pScreen,
|
|---|
| 160 | shadowBufPtr pBuf);
|
|---|
| 161 |
|
|---|
| 162 | extern _X_EXPORT void
|
|---|
| 163 | shadowUpdateRotate8 (ScreenPtr pScreen,
|
|---|
| 164 | shadowBufPtr pBuf);
|
|---|
| 165 |
|
|---|
| 166 | extern _X_EXPORT void
|
|---|
| 167 | shadowUpdateRotate16 (ScreenPtr pScreen,
|
|---|
| 168 | shadowBufPtr pBuf);
|
|---|
| 169 |
|
|---|
| 170 | extern _X_EXPORT void
|
|---|
| 171 | shadowUpdateRotate32 (ScreenPtr pScreen,
|
|---|
| 172 | shadowBufPtr pBuf);
|
|---|
| 173 |
|
|---|
| 174 | typedef void (* shadowUpdateProc)(ScreenPtr, shadowBufPtr);
|
|---|
| 175 |
|
|---|
| 176 | extern _X_EXPORT shadowUpdateProc shadowUpdatePackedWeak(void);
|
|---|
| 177 | extern _X_EXPORT shadowUpdateProc shadowUpdatePlanar4Weak(void);
|
|---|
| 178 | extern _X_EXPORT shadowUpdateProc shadowUpdatePlanar4x8Weak(void);
|
|---|
| 179 | extern _X_EXPORT shadowUpdateProc shadowUpdateRotatePackedWeak(void);
|
|---|
| 180 |
|
|---|
| 181 | #endif /* _SHADOW_H_ */
|
|---|
