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xserver-multidpi/miext/shadow/shadow.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

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/*
*
* Copyright © 2000 Keith Packard
*
* Permission to use, copy, modify, distribute, and sell this software and its
* documentation for any purpose is hereby granted without fee, provided that
* the above copyright notice appear in all copies and that both that
* copyright notice and this permission notice appear in supporting
* documentation, and that the name of Keith Packard not be used in
* advertising or publicity pertaining to distribution of the software without
* specific, written prior permission. Keith Packard makes no
* representations about the suitability of this software for any purpose. It
* is provided "as is" without express or implied warranty.
*
* KEITH PACKARD DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
* INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO
* EVENT SHALL KEITH PACKARD BE LIABLE FOR ANY SPECIAL, INDIRECT OR
* CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE,
* DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
* TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
* PERFORMANCE OF THIS SOFTWARE.
*/
#ifndef _SHADOW_H_
#define _SHADOW_H_
#include "scrnintstr.h"
#ifdef RENDER
#include "picturestr.h"
#endif
#include "damage.h"
#include "damagestr.h"
typedef struct _shadowBuf *shadowBufPtr;
typedef void (*ShadowUpdateProc) (ScreenPtr pScreen,
shadowBufPtr pBuf);
#define SHADOW_WINDOW_RELOCATE 1
#define SHADOW_WINDOW_READ 2
#define SHADOW_WINDOW_WRITE 4
typedef void *(*ShadowWindowProc) (ScreenPtr pScreen,
CARD32 row,
CARD32 offset,
int mode,
CARD32 *size,
void *closure);
/* BC hack: do not move the damage member. see shadow.c for explanation. */
typedef struct _shadowBuf {
DamagePtr pDamage;
ShadowUpdateProc update;
ShadowWindowProc window;
RegionRec damage;
PixmapPtr pPixmap;
void *closure;
int randr;
/* screen wrappers */
GetImageProcPtr GetImage;
CloseScreenProcPtr CloseScreen;
} shadowBufRec;
/* Match defines from randr extension */
#define SHADOW_ROTATE_0 1
#define SHADOW_ROTATE_90 2
#define SHADOW_ROTATE_180 4
#define SHADOW_ROTATE_270 8
#define SHADOW_ROTATE_ALL (SHADOW_ROTATE_0|SHADOW_ROTATE_90|\
SHADOW_ROTATE_180|SHADOW_ROTATE_270)
#define SHADOW_REFLECT_X 16
#define SHADOW_REFLECT_Y 32
#define SHADOW_REFLECT_ALL (SHADOW_REFLECT_X|SHADOW_REFLECT_Y)
extern _X_EXPORT DevPrivateKey shadowScrPrivateKey;
#define shadowGetBuf(pScr) ((shadowBufPtr) \
dixLookupPrivate(&(pScr)->devPrivates, shadowScrPrivateKey))
#define shadowBuf(pScr) shadowBufPtr pBuf = shadowGetBuf(pScr)
#define shadowDamage(pBuf) DamageRegion(pBuf->pDamage)
extern _X_EXPORT Bool
shadowSetup (ScreenPtr pScreen);
extern _X_EXPORT Bool
shadowAdd (ScreenPtr pScreen,
PixmapPtr pPixmap,
ShadowUpdateProc update,
ShadowWindowProc window,
int randr,
void *closure);
extern _X_EXPORT void
shadowRemove (ScreenPtr pScreen, PixmapPtr pPixmap);
extern _X_EXPORT Bool
shadowInit (ScreenPtr pScreen, ShadowUpdateProc update, ShadowWindowProc window);
extern _X_EXPORT void *
shadowAlloc (int width, int height, int bpp);
extern _X_EXPORT void
shadowUpdatePacked (ScreenPtr pScreen,
shadowBufPtr pBuf);
extern _X_EXPORT void
shadowUpdatePlanar4 (ScreenPtr pScreen,
shadowBufPtr pBuf);
extern _X_EXPORT void
shadowUpdatePlanar4x8 (ScreenPtr pScreen,
shadowBufPtr pBuf);
extern _X_EXPORT void
shadowUpdateRotatePacked (ScreenPtr pScreen,
shadowBufPtr pBuf);
extern _X_EXPORT void
shadowUpdateRotate8_90 (ScreenPtr pScreen,
shadowBufPtr pBuf);
extern _X_EXPORT void
shadowUpdateRotate16_90 (ScreenPtr pScreen,
shadowBufPtr pBuf);
extern _X_EXPORT void
shadowUpdateRotate16_90YX (ScreenPtr pScreen,
shadowBufPtr pBuf);
extern _X_EXPORT void
shadowUpdateRotate32_90 (ScreenPtr pScreen,
shadowBufPtr pBuf);
extern _X_EXPORT void
shadowUpdateRotate8_180 (ScreenPtr pScreen,
shadowBufPtr pBuf);
extern _X_EXPORT void
shadowUpdateRotate16_180 (ScreenPtr pScreen,
shadowBufPtr pBuf);
extern _X_EXPORT void
shadowUpdateRotate32_180 (ScreenPtr pScreen,
shadowBufPtr pBuf);
extern _X_EXPORT void
shadowUpdateRotate8_270 (ScreenPtr pScreen,
shadowBufPtr pBuf);
extern _X_EXPORT void
shadowUpdateRotate16_270 (ScreenPtr pScreen,
shadowBufPtr pBuf);
extern _X_EXPORT void
shadowUpdateRotate16_270YX (ScreenPtr pScreen,
shadowBufPtr pBuf);
extern _X_EXPORT void
shadowUpdateRotate32_270 (ScreenPtr pScreen,
shadowBufPtr pBuf);
extern _X_EXPORT void
shadowUpdateRotate8 (ScreenPtr pScreen,
shadowBufPtr pBuf);
extern _X_EXPORT void
shadowUpdateRotate16 (ScreenPtr pScreen,
shadowBufPtr pBuf);
extern _X_EXPORT void
shadowUpdateRotate32 (ScreenPtr pScreen,
shadowBufPtr pBuf);
typedef void (* shadowUpdateProc)(ScreenPtr, shadowBufPtr);
extern _X_EXPORT shadowUpdateProc shadowUpdatePackedWeak(void);
extern _X_EXPORT shadowUpdateProc shadowUpdatePlanar4Weak(void);
extern _X_EXPORT shadowUpdateProc shadowUpdatePlanar4x8Weak(void);
extern _X_EXPORT shadowUpdateProc shadowUpdateRotatePackedWeak(void);
#endif /* _SHADOW_H_ */
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