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/* $XFree86: xc/programs/Xserver/hw/xfree86/common/xf86fbman.h,v 1.14 2003/10/09 12:40:54 alanh Exp $ */
/*
* 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;
Bool xf86RegisterOffscreenManager(
ScreenPtr pScreen,
FBManagerFuncsPtr funcs
);
Bool
xf86InitFBManagerRegion(
ScreenPtr pScreen,
RegionPtr ScreenRegion
);
Bool
xf86InitFBManagerArea(
ScreenPtr pScreen,
int PixalArea,
int Verbosity
);
Bool
xf86InitFBManager(
ScreenPtr pScreen,
BoxPtr FullBox
);
Bool
xf86InitFBManagerLinear(
ScreenPtr pScreen,
int offset,
int size
);
Bool
xf86FBManagerRunning(
ScreenPtr pScreen
);
FBAreaPtr
xf86AllocateOffscreenArea (
ScreenPtr pScreen,
int w, int h,
int granularity,
MoveAreaCallbackProcPtr moveCB,
RemoveAreaCallbackProcPtr removeCB,
pointer privData
);
FBAreaPtr
xf86AllocateLinearOffscreenArea (
ScreenPtr pScreen,
int length,
int granularity,
MoveAreaCallbackProcPtr moveCB,
RemoveAreaCallbackProcPtr removeCB,
pointer privData
);
FBLinearPtr
xf86AllocateOffscreenLinear (
ScreenPtr pScreen,
int length,
int granularity,
MoveLinearCallbackProcPtr moveCB,
RemoveLinearCallbackProcPtr removeCB,
pointer privData
);
void xf86FreeOffscreenArea(FBAreaPtr area);
void xf86FreeOffscreenLinear(FBLinearPtr area);
Bool
xf86ResizeOffscreenArea(
FBAreaPtr resize,
int w, int h
);
Bool
xf86ResizeOffscreenLinear(
FBLinearPtr resize,
int size
);
Bool
xf86RegisterFreeBoxCallback(
ScreenPtr pScreen,
FreeBoxCallbackProcPtr FreeBoxCallback,
pointer devPriv
);
Bool
xf86PurgeUnlockedOffscreenAreas(
ScreenPtr pScreen
);
Bool
xf86QueryLargestOffscreenArea(
ScreenPtr pScreen,
int *width, int *height,
int granularity,
int preferences,
int priority
);
Bool
xf86QueryLargestOffscreenLinear(
ScreenPtr pScreen,
int *size,
int granularity,
int priority
);
#endif /* _XF86FBMAN_H */
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