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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"
#include "picturestr.h"
#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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