172 lines
6.7 KiB
C
172 lines
6.7 KiB
C
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/*
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* Copyright (c) 1998-2001 by The XFree86 Project, Inc.
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*
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the "Software"),
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* to deal in the Software without restriction, including without limitation
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* the rights to use, copy, modify, merge, publish, distribute, sublicense,
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* and/or sell copies of the Software, and to permit persons to whom the
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* Software is furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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* THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
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* OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
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* ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
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* OTHER DEALINGS IN THE SOFTWARE.
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*
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* Except as contained in this notice, the name of the copyright holder(s)
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* and author(s) shall not be used in advertising or otherwise to promote
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* the sale, use or other dealings in this Software without prior written
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* authorization from the copyright holder(s) and author(s).
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*/
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#ifndef _XF86FBMAN_H
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#define _XF86FBMAN_H
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#include "scrnintstr.h"
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#include "regionstr.h"
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#define FAVOR_AREA_THEN_WIDTH 0
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#define FAVOR_AREA_THEN_HEIGHT 1
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#define FAVOR_WIDTH_THEN_AREA 2
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#define FAVOR_HEIGHT_THEN_AREA 3
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#define PRIORITY_LOW 0
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#define PRIORITY_NORMAL 1
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#define PRIORITY_EXTREME 2
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typedef struct _FBArea {
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ScreenPtr pScreen;
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BoxRec box;
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int granularity;
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void (*MoveAreaCallback) (struct _FBArea *, struct _FBArea *);
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void (*RemoveAreaCallback) (struct _FBArea *);
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DevUnion devPrivate;
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} FBArea, *FBAreaPtr;
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typedef struct _FBLinear {
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ScreenPtr pScreen;
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int size;
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int offset;
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int granularity;
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void (*MoveLinearCallback) (struct _FBLinear *, struct _FBLinear *);
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void (*RemoveLinearCallback) (struct _FBLinear *);
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DevUnion devPrivate;
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} FBLinear, *FBLinearPtr;
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typedef void (*FreeBoxCallbackProcPtr) (ScreenPtr, RegionPtr, pointer);
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typedef void (*MoveAreaCallbackProcPtr) (FBAreaPtr, FBAreaPtr);
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typedef void (*RemoveAreaCallbackProcPtr) (FBAreaPtr);
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typedef void (*MoveLinearCallbackProcPtr) (FBLinearPtr, FBLinearPtr);
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typedef void (*RemoveLinearCallbackProcPtr) (FBLinearPtr);
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typedef struct {
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FBAreaPtr(*AllocateOffscreenArea) (ScreenPtr pScreen,
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int w, int h,
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int granularity,
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MoveAreaCallbackProcPtr moveCB,
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RemoveAreaCallbackProcPtr removeCB,
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pointer privData);
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void (*FreeOffscreenArea) (FBAreaPtr area);
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Bool (*ResizeOffscreenArea) (FBAreaPtr area, int w, int h);
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Bool (*QueryLargestOffscreenArea) (ScreenPtr pScreen,
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int *width, int *height,
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int granularity,
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int preferences, int priority);
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Bool (*RegisterFreeBoxCallback) (ScreenPtr pScreen,
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FreeBoxCallbackProcPtr FreeBoxCallback,
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pointer devPriv);
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/* linear functions */
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FBLinearPtr(*AllocateOffscreenLinear) (ScreenPtr pScreen,
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int size,
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int granularity,
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MoveLinearCallbackProcPtr moveCB,
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RemoveLinearCallbackProcPtr
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removeCB, pointer privData);
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void (*FreeOffscreenLinear) (FBLinearPtr area);
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Bool (*ResizeOffscreenLinear) (FBLinearPtr area, int size);
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Bool (*QueryLargestOffscreenLinear) (ScreenPtr pScreen,
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int *size,
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int granularity, int priority);
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Bool (*PurgeOffscreenAreas) (ScreenPtr);
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} FBManagerFuncs, *FBManagerFuncsPtr;
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extern _X_EXPORT Bool xf86RegisterOffscreenManager(ScreenPtr pScreen,
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FBManagerFuncsPtr funcs);
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extern _X_EXPORT Bool
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xf86InitFBManagerRegion(ScreenPtr pScreen, RegionPtr ScreenRegion);
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extern _X_EXPORT Bool
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xf86InitFBManagerArea(ScreenPtr pScreen, int PixalArea, int Verbosity);
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extern _X_EXPORT Bool
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xf86InitFBManager(ScreenPtr pScreen, BoxPtr FullBox);
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extern _X_EXPORT Bool
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xf86InitFBManagerLinear(ScreenPtr pScreen, int offset, int size);
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extern _X_EXPORT Bool
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xf86FBManagerRunning(ScreenPtr pScreen);
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extern _X_EXPORT FBAreaPtr
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xf86AllocateOffscreenArea(ScreenPtr pScreen,
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int w, int h,
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int granularity,
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MoveAreaCallbackProcPtr moveCB,
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RemoveAreaCallbackProcPtr removeCB, pointer privData);
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extern _X_EXPORT FBAreaPtr
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xf86AllocateLinearOffscreenArea(ScreenPtr pScreen,
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int length,
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int granularity,
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MoveAreaCallbackProcPtr moveCB,
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RemoveAreaCallbackProcPtr removeCB,
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pointer privData);
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extern _X_EXPORT FBLinearPtr
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xf86AllocateOffscreenLinear(ScreenPtr pScreen,
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int length,
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int granularity,
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MoveLinearCallbackProcPtr moveCB,
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RemoveLinearCallbackProcPtr removeCB,
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pointer privData);
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extern _X_EXPORT void xf86FreeOffscreenArea(FBAreaPtr area);
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extern _X_EXPORT void xf86FreeOffscreenLinear(FBLinearPtr area);
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extern _X_EXPORT Bool
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xf86ResizeOffscreenArea(FBAreaPtr resize, int w, int h);
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extern _X_EXPORT Bool
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xf86ResizeOffscreenLinear(FBLinearPtr resize, int size);
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extern _X_EXPORT Bool
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xf86RegisterFreeBoxCallback(ScreenPtr pScreen,
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FreeBoxCallbackProcPtr FreeBoxCallback,
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pointer devPriv);
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extern _X_EXPORT Bool
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xf86PurgeUnlockedOffscreenAreas(ScreenPtr pScreen);
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extern _X_EXPORT Bool
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xf86QueryLargestOffscreenArea(ScreenPtr pScreen,
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int *width, int *height,
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int granularity, int preferences, int priority);
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extern _X_EXPORT Bool
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xf86QueryLargestOffscreenLinear(ScreenPtr pScreen,
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int *size, int granularity, int priority);
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#endif /* _XF86FBMAN_H */
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