xserver-multidpi/hw/xfree86/common/xf86fbman.h
Paulo Cesar Pereira de Andrade 49f77fff14 Rework symbol visibility for easier maintenance
Save in a few special cases, _X_EXPORT should not be used in C source
files. Instead, it should be used in headers, and the proper C source
include that header. Some special cases are symbols that need to be
shared between modules, but not expected to be used by external drivers,
and symbols that are accessible via LoaderSymbol/dlopen.

  This patch also adds conditionally some new sdk header files, depending
on extensions enabled. These files were added to match pattern for
other extensions/modules, that is, have the headers "deciding" symbol
visibility in the sdk. These headers are:
o Xext/panoramiXsrv.h, Xext/panoramiX.h
o fbpict.h (unconditionally)
o vidmodeproc.h
o mioverlay.h (unconditionally, used only by xaa)
o xfixes.h (unconditionally, symbols required by dri2)

  LoaderSymbol and similar functions now don't have different prototypes,
in loaderProcs.h and xf86Module.h, so that both headers can be included,
without the need of defining IN_LOADER.

  xf86NewInputDevice() device prototype readded to xf86Xinput.h, but
not exported (and with a comment about it).
2008-12-03 05:43:34 -02:00

227 lines
5.7 KiB
C

/*
* 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 */