| 1 | |
| 2 | /* |
| 3 | * Copyright (c) 1998-2001 by The XFree86 Project, Inc. |
| 4 | * |
| 5 | * Permission is hereby granted, free of charge, to any person obtaining a |
| 6 | * copy of this software and associated documentation files (the "Software"), |
| 7 | * to deal in the Software without restriction, including without limitation |
| 8 | * the rights to use, copy, modify, merge, publish, distribute, sublicense, |
| 9 | * and/or sell copies of the Software, and to permit persons to whom the |
| 10 | * Software is furnished to do so, subject to the following conditions: |
| 11 | * |
| 12 | * The above copyright notice and this permission notice shall be included in |
| 13 | * all copies or substantial portions of the Software. |
| 14 | * |
| 15 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
| 16 | * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
| 17 | * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL |
| 18 | * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR |
| 19 | * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, |
| 20 | * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR |
| 21 | * OTHER DEALINGS IN THE SOFTWARE. |
| 22 | * |
| 23 | * Except as contained in this notice, the name of the copyright holder(s) |
| 24 | * and author(s) shall not be used in advertising or otherwise to promote |
| 25 | * the sale, use or other dealings in this Software without prior written |
| 26 | * authorization from the copyright holder(s) and author(s). |
| 27 | */ |
| 28 | |
| 29 | #ifndef _XF86FBMAN_H |
| 30 | #define _XF86FBMAN_H |
| 31 | |
| 32 | #include "scrnintstr.h" |
| 33 | #include "regionstr.h" |
| 34 | |
| 35 | #define FAVOR_AREA_THEN_WIDTH 0 |
| 36 | #define FAVOR_AREA_THEN_HEIGHT 1 |
| 37 | #define FAVOR_WIDTH_THEN_AREA 2 |
| 38 | #define FAVOR_HEIGHT_THEN_AREA 3 |
| 39 | |
| 40 | #define PRIORITY_LOW 0 |
| 41 | #define PRIORITY_NORMAL 1 |
| 42 | #define PRIORITY_EXTREME 2 |
| 43 | |
| 44 | typedef struct _FBArea { |
| 45 | ScreenPtr pScreen; |
| 46 | BoxRec box; |
| 47 | int granularity; |
| 48 | void (*MoveAreaCallback) (struct _FBArea *, struct _FBArea *); |
| 49 | void (*RemoveAreaCallback) (struct _FBArea *); |
| 50 | DevUnion devPrivate; |
| 51 | } FBArea, *FBAreaPtr; |
| 52 | |
| 53 | typedef struct _FBLinear { |
| 54 | ScreenPtr pScreen; |
| 55 | int size; |
| 56 | int offset; |
| 57 | int granularity; |
| 58 | void (*MoveLinearCallback) (struct _FBLinear *, struct _FBLinear *); |
| 59 | void (*RemoveLinearCallback) (struct _FBLinear *); |
| 60 | DevUnion devPrivate; |
| 61 | } FBLinear, *FBLinearPtr; |
| 62 | |
| 63 | typedef void (*FreeBoxCallbackProcPtr) (ScreenPtr, RegionPtr, pointer); |
| 64 | typedef void (*MoveAreaCallbackProcPtr) (FBAreaPtr, FBAreaPtr); |
| 65 | typedef void (*RemoveAreaCallbackProcPtr) (FBAreaPtr); |
| 66 | |
| 67 | typedef void (*MoveLinearCallbackProcPtr) (FBLinearPtr, FBLinearPtr); |
| 68 | typedef void (*RemoveLinearCallbackProcPtr) (FBLinearPtr); |
| 69 | |
| 70 | typedef struct { |
| 71 | FBAreaPtr(*AllocateOffscreenArea) (ScreenPtr pScreen, |
| 72 | int w, int h, |
| 73 | int granularity, |
| 74 | MoveAreaCallbackProcPtr moveCB, |
| 75 | RemoveAreaCallbackProcPtr removeCB, |
| 76 | pointer privData); |
| 77 | void (*FreeOffscreenArea) (FBAreaPtr area); |
| 78 | Bool (*ResizeOffscreenArea) (FBAreaPtr area, int w, int h); |
| 79 | Bool (*QueryLargestOffscreenArea) (ScreenPtr pScreen, |
| 80 | int *width, int *height, |
| 81 | int granularity, |
| 82 | int preferences, int priority); |
| 83 | Bool (*RegisterFreeBoxCallback) (ScreenPtr pScreen, |
| 84 | FreeBoxCallbackProcPtr FreeBoxCallback, |
| 85 | pointer devPriv); |
| 86 | /* linear functions */ |
| 87 | FBLinearPtr(*AllocateOffscreenLinear) (ScreenPtr pScreen, |
| 88 | int size, |
| 89 | int granularity, |
| 90 | MoveLinearCallbackProcPtr moveCB, |
| 91 | RemoveLinearCallbackProcPtr |
| 92 | removeCB, pointer privData); |
| 93 | void (*FreeOffscreenLinear) (FBLinearPtr area); |
| 94 | Bool (*ResizeOffscreenLinear) (FBLinearPtr area, int size); |
| 95 | Bool (*QueryLargestOffscreenLinear) (ScreenPtr pScreen, |
| 96 | int *size, |
| 97 | int granularity, int priority); |
| 98 | Bool (*PurgeOffscreenAreas) (ScreenPtr); |
| 99 | } FBManagerFuncs, *FBManagerFuncsPtr; |
| 100 | |
| 101 | extern _X_EXPORT Bool xf86RegisterOffscreenManager(ScreenPtr pScreen, |
| 102 | FBManagerFuncsPtr funcs); |
| 103 | |
| 104 | extern _X_EXPORT Bool |
| 105 | xf86InitFBManagerRegion(ScreenPtr pScreen, RegionPtr ScreenRegion); |
| 106 | |
| 107 | extern _X_EXPORT Bool |
| 108 | xf86InitFBManagerArea(ScreenPtr pScreen, int PixalArea, int Verbosity); |
| 109 | |
| 110 | extern _X_EXPORT Bool |
| 111 | xf86InitFBManager(ScreenPtr pScreen, BoxPtr FullBox); |
| 112 | |
| 113 | extern _X_EXPORT Bool |
| 114 | xf86InitFBManagerLinear(ScreenPtr pScreen, int offset, int size); |
| 115 | |
| 116 | extern _X_EXPORT Bool |
| 117 | xf86FBManagerRunning(ScreenPtr pScreen); |
| 118 | |
| 119 | extern _X_EXPORT FBAreaPtr |
| 120 | xf86AllocateOffscreenArea(ScreenPtr pScreen, |
| 121 | int w, int h, |
| 122 | int granularity, |
| 123 | MoveAreaCallbackProcPtr moveCB, |
| 124 | RemoveAreaCallbackProcPtr removeCB, pointer privData); |
| 125 | |
| 126 | extern _X_EXPORT FBAreaPtr |
| 127 | xf86AllocateLinearOffscreenArea(ScreenPtr pScreen, |
| 128 | int length, |
| 129 | int granularity, |
| 130 | MoveAreaCallbackProcPtr moveCB, |
| 131 | RemoveAreaCallbackProcPtr removeCB, |
| 132 | pointer privData); |
| 133 | |
| 134 | extern _X_EXPORT FBLinearPtr |
| 135 | xf86AllocateOffscreenLinear(ScreenPtr pScreen, |
| 136 | int length, |
| 137 | int granularity, |
| 138 | MoveLinearCallbackProcPtr moveCB, |
| 139 | RemoveLinearCallbackProcPtr removeCB, |
| 140 | pointer privData); |
| 141 | |
| 142 | extern _X_EXPORT void xf86FreeOffscreenArea(FBAreaPtr area); |
| 143 | extern _X_EXPORT void xf86FreeOffscreenLinear(FBLinearPtr area); |
| 144 | |
| 145 | extern _X_EXPORT Bool |
| 146 | xf86ResizeOffscreenArea(FBAreaPtr resize, int w, int h); |
| 147 | |
| 148 | extern _X_EXPORT Bool |
| 149 | xf86ResizeOffscreenLinear(FBLinearPtr resize, int size); |
| 150 | |
| 151 | extern _X_EXPORT Bool |
| 152 | |
| 153 | xf86RegisterFreeBoxCallback(ScreenPtr pScreen, |
| 154 | FreeBoxCallbackProcPtr FreeBoxCallback, |
| 155 | pointer devPriv); |
| 156 | |
| 157 | extern _X_EXPORT Bool |
| 158 | xf86PurgeUnlockedOffscreenAreas(ScreenPtr pScreen); |
| 159 | |
| 160 | extern _X_EXPORT Bool |
| 161 | |
| 162 | xf86QueryLargestOffscreenArea(ScreenPtr pScreen, |
| 163 | int *width, int *height, |
| 164 | int granularity, int preferences, int priority); |
| 165 | |
| 166 | extern _X_EXPORT Bool |
| 167 | |
| 168 | xf86QueryLargestOffscreenLinear(ScreenPtr pScreen, |
| 169 | int *size, int granularity, int priority); |
| 170 | |
| 171 | #endif /* _XF86FBMAN_H */ |