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