| 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, shadowBufPtr pBuf); |
| 36 | |
| 37 | #define SHADOW_WINDOW_RELOCATE 1 |
| 38 | #define SHADOW_WINDOW_READ 2 |
| 39 | #define SHADOW_WINDOW_WRITE 4 |
| 40 | |
| 41 | typedef void *(*ShadowWindowProc) (ScreenPtr pScreen, |
| 42 | CARD32 row, |
| 43 | CARD32 offset, |
| 44 | int mode, CARD32 *size, void *closure); |
| 45 | |
| 46 | /* BC hack: do not move the damage member. see shadow.c for explanation. */ |
| 47 | typedef struct _shadowBuf { |
| 48 | DamagePtr pDamage; |
| 49 | ShadowUpdateProc update; |
| 50 | ShadowWindowProc window; |
| 51 | RegionRec damage; |
| 52 | PixmapPtr pPixmap; |
| 53 | void *closure; |
| 54 | int randr; |
| 55 | |
| 56 | /* screen wrappers */ |
| 57 | GetImageProcPtr GetImage; |
| 58 | CloseScreenProcPtr CloseScreen; |
| 59 | } shadowBufRec; |
| 60 | |
| 61 | /* Match defines from randr extension */ |
| 62 | #define SHADOW_ROTATE_0 1 |
| 63 | #define SHADOW_ROTATE_90 2 |
| 64 | #define SHADOW_ROTATE_180 4 |
| 65 | #define SHADOW_ROTATE_270 8 |
| 66 | #define SHADOW_ROTATE_ALL (SHADOW_ROTATE_0|SHADOW_ROTATE_90|\ |
| 67 | SHADOW_ROTATE_180|SHADOW_ROTATE_270) |
| 68 | #define SHADOW_REFLECT_X 16 |
| 69 | #define SHADOW_REFLECT_Y 32 |
| 70 | #define SHADOW_REFLECT_ALL (SHADOW_REFLECT_X|SHADOW_REFLECT_Y) |
| 71 | |
| 72 | extern _X_EXPORT DevPrivateKey shadowScrPrivateKey; |
| 73 | |
| 74 | #define shadowGetBuf(pScr) ((shadowBufPtr) \ |
| 75 | dixLookupPrivate(&(pScr)->devPrivates, shadowScrPrivateKey)) |
| 76 | #define shadowBuf(pScr) shadowBufPtr pBuf = shadowGetBuf(pScr) |
| 77 | #define shadowDamage(pBuf) DamageRegion(pBuf->pDamage) |
| 78 | |
| 79 | extern _X_EXPORT Bool |
| 80 | shadowSetup(ScreenPtr pScreen); |
| 81 | |
| 82 | extern _X_EXPORT Bool |
| 83 | |
| 84 | shadowAdd(ScreenPtr pScreen, |
| 85 | PixmapPtr pPixmap, |
| 86 | ShadowUpdateProc update, |
| 87 | ShadowWindowProc window, int randr, void *closure); |
| 88 | |
| 89 | extern _X_EXPORT void |
| 90 | shadowRemove(ScreenPtr pScreen, PixmapPtr pPixmap); |
| 91 | |
| 92 | extern _X_EXPORT Bool |
| 93 | |
| 94 | shadowInit(ScreenPtr pScreen, ShadowUpdateProc update, ShadowWindowProc window); |
| 95 | |
| 96 | extern _X_EXPORT void *shadowAlloc(int width, int height, int bpp); |
| 97 | |
| 98 | extern _X_EXPORT void |
| 99 | shadowUpdateAfb4(ScreenPtr pScreen, shadowBufPtr pBuf); |
| 100 | |
| 101 | extern _X_EXPORT void |
| 102 | shadowUpdateAfb8(ScreenPtr pScreen, shadowBufPtr pBuf); |
| 103 | |
| 104 | extern _X_EXPORT void |
| 105 | shadowUpdateIplan2p4(ScreenPtr pScreen, shadowBufPtr pBuf); |
| 106 | |
| 107 | extern _X_EXPORT void |
| 108 | shadowUpdateIplan2p8(ScreenPtr pScreen, shadowBufPtr pBuf); |
| 109 | |
| 110 | extern _X_EXPORT void |
| 111 | shadowUpdatePacked(ScreenPtr pScreen, shadowBufPtr pBuf); |
| 112 | |
| 113 | extern _X_EXPORT void |
| 114 | shadowUpdatePlanar4(ScreenPtr pScreen, shadowBufPtr pBuf); |
| 115 | |
| 116 | extern _X_EXPORT void |
| 117 | shadowUpdatePlanar4x8(ScreenPtr pScreen, shadowBufPtr pBuf); |
| 118 | |
| 119 | extern _X_EXPORT void |
| 120 | shadowUpdateRotatePacked(ScreenPtr pScreen, shadowBufPtr pBuf); |
| 121 | |
| 122 | extern _X_EXPORT void |
| 123 | shadowUpdateRotate8_90(ScreenPtr pScreen, shadowBufPtr pBuf); |
| 124 | |
| 125 | extern _X_EXPORT void |
| 126 | shadowUpdateRotate16_90(ScreenPtr pScreen, shadowBufPtr pBuf); |
| 127 | |
| 128 | extern _X_EXPORT void |
| 129 | shadowUpdateRotate16_90YX(ScreenPtr pScreen, shadowBufPtr pBuf); |
| 130 | |
| 131 | extern _X_EXPORT void |
| 132 | shadowUpdateRotate32_90(ScreenPtr pScreen, shadowBufPtr pBuf); |
| 133 | |
| 134 | extern _X_EXPORT void |
| 135 | shadowUpdateRotate8_180(ScreenPtr pScreen, shadowBufPtr pBuf); |
| 136 | |
| 137 | extern _X_EXPORT void |
| 138 | shadowUpdateRotate16_180(ScreenPtr pScreen, shadowBufPtr pBuf); |
| 139 | |
| 140 | extern _X_EXPORT void |
| 141 | shadowUpdateRotate32_180(ScreenPtr pScreen, shadowBufPtr pBuf); |
| 142 | |
| 143 | extern _X_EXPORT void |
| 144 | shadowUpdateRotate8_270(ScreenPtr pScreen, shadowBufPtr pBuf); |
| 145 | |
| 146 | extern _X_EXPORT void |
| 147 | shadowUpdateRotate16_270(ScreenPtr pScreen, shadowBufPtr pBuf); |
| 148 | |
| 149 | extern _X_EXPORT void |
| 150 | shadowUpdateRotate16_270YX(ScreenPtr pScreen, shadowBufPtr pBuf); |
| 151 | |
| 152 | extern _X_EXPORT void |
| 153 | shadowUpdateRotate32_270(ScreenPtr pScreen, shadowBufPtr pBuf); |
| 154 | |
| 155 | extern _X_EXPORT void |
| 156 | shadowUpdateRotate8(ScreenPtr pScreen, shadowBufPtr pBuf); |
| 157 | |
| 158 | extern _X_EXPORT void |
| 159 | shadowUpdateRotate16(ScreenPtr pScreen, shadowBufPtr pBuf); |
| 160 | |
| 161 | extern _X_EXPORT void |
| 162 | shadowUpdateRotate32(ScreenPtr pScreen, shadowBufPtr pBuf); |
| 163 | |
| 164 | typedef void (*shadowUpdateProc) (ScreenPtr, shadowBufPtr); |
| 165 | |
| 166 | extern _X_EXPORT shadowUpdateProc shadowUpdatePackedWeak(void); |
| 167 | extern _X_EXPORT shadowUpdateProc shadowUpdatePlanar4Weak(void); |
| 168 | extern _X_EXPORT shadowUpdateProc shadowUpdatePlanar4x8Weak(void); |
| 169 | extern _X_EXPORT shadowUpdateProc shadowUpdateRotatePackedWeak(void); |
| 170 | |
| 171 | #endif /* _SHADOW_H_ */ |