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