f0ab104f070bc7f569404826fea1828ed985638cvboxsync/*
f0ab104f070bc7f569404826fea1828ed985638cvboxsync *
f0ab104f070bc7f569404826fea1828ed985638cvboxsync * Copyright © 2000 Keith Packard
f0ab104f070bc7f569404826fea1828ed985638cvboxsync *
f0ab104f070bc7f569404826fea1828ed985638cvboxsync * Permission to use, copy, modify, distribute, and sell this software and its
f0ab104f070bc7f569404826fea1828ed985638cvboxsync * documentation for any purpose is hereby granted without fee, provided that
f0ab104f070bc7f569404826fea1828ed985638cvboxsync * the above copyright notice appear in all copies and that both that
f0ab104f070bc7f569404826fea1828ed985638cvboxsync * copyright notice and this permission notice appear in supporting
f0ab104f070bc7f569404826fea1828ed985638cvboxsync * documentation, and that the name of Keith Packard not be used in
f0ab104f070bc7f569404826fea1828ed985638cvboxsync * advertising or publicity pertaining to distribution of the software without
f0ab104f070bc7f569404826fea1828ed985638cvboxsync * specific, written prior permission. Keith Packard makes no
f0ab104f070bc7f569404826fea1828ed985638cvboxsync * representations about the suitability of this software for any purpose. It
f0ab104f070bc7f569404826fea1828ed985638cvboxsync * is provided "as is" without express or implied warranty.
f0ab104f070bc7f569404826fea1828ed985638cvboxsync *
f0ab104f070bc7f569404826fea1828ed985638cvboxsync * KEITH PACKARD DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
f0ab104f070bc7f569404826fea1828ed985638cvboxsync * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO
f0ab104f070bc7f569404826fea1828ed985638cvboxsync * EVENT SHALL KEITH PACKARD BE LIABLE FOR ANY SPECIAL, INDIRECT OR
f0ab104f070bc7f569404826fea1828ed985638cvboxsync * CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE,
f0ab104f070bc7f569404826fea1828ed985638cvboxsync * DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
f0ab104f070bc7f569404826fea1828ed985638cvboxsync * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
f0ab104f070bc7f569404826fea1828ed985638cvboxsync * PERFORMANCE OF THIS SOFTWARE.
f0ab104f070bc7f569404826fea1828ed985638cvboxsync */
f0ab104f070bc7f569404826fea1828ed985638cvboxsync
f0ab104f070bc7f569404826fea1828ed985638cvboxsync#ifndef _SHADOW_H_
f0ab104f070bc7f569404826fea1828ed985638cvboxsync#define _SHADOW_H_
f0ab104f070bc7f569404826fea1828ed985638cvboxsync
f0ab104f070bc7f569404826fea1828ed985638cvboxsync#include "scrnintstr.h"
f0ab104f070bc7f569404826fea1828ed985638cvboxsync
f0ab104f070bc7f569404826fea1828ed985638cvboxsync#include "picturestr.h"
f0ab104f070bc7f569404826fea1828ed985638cvboxsync
f0ab104f070bc7f569404826fea1828ed985638cvboxsync#include "damage.h"
f0ab104f070bc7f569404826fea1828ed985638cvboxsync#include "damagestr.h"
f0ab104f070bc7f569404826fea1828ed985638cvboxsynctypedef struct _shadowBuf *shadowBufPtr;
f0ab104f070bc7f569404826fea1828ed985638cvboxsync
f0ab104f070bc7f569404826fea1828ed985638cvboxsynctypedef void (*ShadowUpdateProc) (ScreenPtr pScreen,
f0ab104f070bc7f569404826fea1828ed985638cvboxsync shadowBufPtr pBuf);
f0ab104f070bc7f569404826fea1828ed985638cvboxsync
f0ab104f070bc7f569404826fea1828ed985638cvboxsync#define SHADOW_WINDOW_RELOCATE 1
f0ab104f070bc7f569404826fea1828ed985638cvboxsync#define SHADOW_WINDOW_READ 2
f0ab104f070bc7f569404826fea1828ed985638cvboxsync#define SHADOW_WINDOW_WRITE 4
f0ab104f070bc7f569404826fea1828ed985638cvboxsync
f0ab104f070bc7f569404826fea1828ed985638cvboxsynctypedef void *(*ShadowWindowProc) (ScreenPtr pScreen,
f0ab104f070bc7f569404826fea1828ed985638cvboxsync CARD32 row,
f0ab104f070bc7f569404826fea1828ed985638cvboxsync CARD32 offset,
f0ab104f070bc7f569404826fea1828ed985638cvboxsync int mode,
f0ab104f070bc7f569404826fea1828ed985638cvboxsync CARD32 *size,
f0ab104f070bc7f569404826fea1828ed985638cvboxsync void *closure);
f0ab104f070bc7f569404826fea1828ed985638cvboxsync
f0ab104f070bc7f569404826fea1828ed985638cvboxsync/* BC hack: do not move the damage member. see shadow.c for explanation. */
f0ab104f070bc7f569404826fea1828ed985638cvboxsynctypedef struct _shadowBuf {
f0ab104f070bc7f569404826fea1828ed985638cvboxsync DamagePtr pDamage;
f0ab104f070bc7f569404826fea1828ed985638cvboxsync ShadowUpdateProc update;
f0ab104f070bc7f569404826fea1828ed985638cvboxsync ShadowWindowProc window;
f0ab104f070bc7f569404826fea1828ed985638cvboxsync RegionRec damage;
f0ab104f070bc7f569404826fea1828ed985638cvboxsync PixmapPtr pPixmap;
f0ab104f070bc7f569404826fea1828ed985638cvboxsync void *closure;
f0ab104f070bc7f569404826fea1828ed985638cvboxsync int randr;
f0ab104f070bc7f569404826fea1828ed985638cvboxsync
f0ab104f070bc7f569404826fea1828ed985638cvboxsync /* screen wrappers */
f0ab104f070bc7f569404826fea1828ed985638cvboxsync GetImageProcPtr GetImage;
f0ab104f070bc7f569404826fea1828ed985638cvboxsync CloseScreenProcPtr CloseScreen;
f0ab104f070bc7f569404826fea1828ed985638cvboxsync} shadowBufRec;
f0ab104f070bc7f569404826fea1828ed985638cvboxsync
f0ab104f070bc7f569404826fea1828ed985638cvboxsync/* Match defines from randr extension */
f0ab104f070bc7f569404826fea1828ed985638cvboxsync#define SHADOW_ROTATE_0 1
f0ab104f070bc7f569404826fea1828ed985638cvboxsync#define SHADOW_ROTATE_90 2
f0ab104f070bc7f569404826fea1828ed985638cvboxsync#define SHADOW_ROTATE_180 4
f0ab104f070bc7f569404826fea1828ed985638cvboxsync#define SHADOW_ROTATE_270 8
f0ab104f070bc7f569404826fea1828ed985638cvboxsync#define SHADOW_ROTATE_ALL (SHADOW_ROTATE_0|SHADOW_ROTATE_90|\
f0ab104f070bc7f569404826fea1828ed985638cvboxsync SHADOW_ROTATE_180|SHADOW_ROTATE_270)
f0ab104f070bc7f569404826fea1828ed985638cvboxsync#define SHADOW_REFLECT_X 16
f0ab104f070bc7f569404826fea1828ed985638cvboxsync#define SHADOW_REFLECT_Y 32
f0ab104f070bc7f569404826fea1828ed985638cvboxsync#define SHADOW_REFLECT_ALL (SHADOW_REFLECT_X|SHADOW_REFLECT_Y)
f0ab104f070bc7f569404826fea1828ed985638cvboxsync
f0ab104f070bc7f569404826fea1828ed985638cvboxsyncextern _X_EXPORT DevPrivateKey shadowScrPrivateKey;
f0ab104f070bc7f569404826fea1828ed985638cvboxsync
f0ab104f070bc7f569404826fea1828ed985638cvboxsync#define shadowGetBuf(pScr) ((shadowBufPtr) \
f0ab104f070bc7f569404826fea1828ed985638cvboxsync dixLookupPrivate(&(pScr)->devPrivates, shadowScrPrivateKey))
f0ab104f070bc7f569404826fea1828ed985638cvboxsync#define shadowBuf(pScr) shadowBufPtr pBuf = shadowGetBuf(pScr)
f0ab104f070bc7f569404826fea1828ed985638cvboxsync#define shadowDamage(pBuf) DamageRegion(pBuf->pDamage)
f0ab104f070bc7f569404826fea1828ed985638cvboxsync
f0ab104f070bc7f569404826fea1828ed985638cvboxsyncextern _X_EXPORT Bool
f0ab104f070bc7f569404826fea1828ed985638cvboxsyncshadowSetup (ScreenPtr pScreen);
f0ab104f070bc7f569404826fea1828ed985638cvboxsync
f0ab104f070bc7f569404826fea1828ed985638cvboxsyncextern _X_EXPORT Bool
f0ab104f070bc7f569404826fea1828ed985638cvboxsyncshadowAdd (ScreenPtr pScreen,
f0ab104f070bc7f569404826fea1828ed985638cvboxsync PixmapPtr pPixmap,
f0ab104f070bc7f569404826fea1828ed985638cvboxsync ShadowUpdateProc update,
f0ab104f070bc7f569404826fea1828ed985638cvboxsync ShadowWindowProc window,
f0ab104f070bc7f569404826fea1828ed985638cvboxsync int randr,
f0ab104f070bc7f569404826fea1828ed985638cvboxsync void *closure);
f0ab104f070bc7f569404826fea1828ed985638cvboxsync
f0ab104f070bc7f569404826fea1828ed985638cvboxsyncextern _X_EXPORT void
f0ab104f070bc7f569404826fea1828ed985638cvboxsyncshadowRemove (ScreenPtr pScreen, PixmapPtr pPixmap);
f0ab104f070bc7f569404826fea1828ed985638cvboxsync
f0ab104f070bc7f569404826fea1828ed985638cvboxsyncextern _X_EXPORT Bool
f0ab104f070bc7f569404826fea1828ed985638cvboxsyncshadowInit (ScreenPtr pScreen, ShadowUpdateProc update, ShadowWindowProc window);
f0ab104f070bc7f569404826fea1828ed985638cvboxsync
f0ab104f070bc7f569404826fea1828ed985638cvboxsyncextern _X_EXPORT void *
f0ab104f070bc7f569404826fea1828ed985638cvboxsyncshadowAlloc (int width, int height, int bpp);
f0ab104f070bc7f569404826fea1828ed985638cvboxsync
f0ab104f070bc7f569404826fea1828ed985638cvboxsyncextern _X_EXPORT void
f0ab104f070bc7f569404826fea1828ed985638cvboxsyncshadowUpdatePacked (ScreenPtr pScreen,
f0ab104f070bc7f569404826fea1828ed985638cvboxsync shadowBufPtr pBuf);
f0ab104f070bc7f569404826fea1828ed985638cvboxsync
f0ab104f070bc7f569404826fea1828ed985638cvboxsyncextern _X_EXPORT void
f0ab104f070bc7f569404826fea1828ed985638cvboxsyncshadowUpdatePlanar4 (ScreenPtr pScreen,
f0ab104f070bc7f569404826fea1828ed985638cvboxsync shadowBufPtr pBuf);
f0ab104f070bc7f569404826fea1828ed985638cvboxsync
f0ab104f070bc7f569404826fea1828ed985638cvboxsyncextern _X_EXPORT void
f0ab104f070bc7f569404826fea1828ed985638cvboxsyncshadowUpdatePlanar4x8 (ScreenPtr pScreen,
f0ab104f070bc7f569404826fea1828ed985638cvboxsync shadowBufPtr pBuf);
f0ab104f070bc7f569404826fea1828ed985638cvboxsync
f0ab104f070bc7f569404826fea1828ed985638cvboxsyncextern _X_EXPORT void
f0ab104f070bc7f569404826fea1828ed985638cvboxsyncshadowUpdateRotatePacked (ScreenPtr pScreen,
f0ab104f070bc7f569404826fea1828ed985638cvboxsync shadowBufPtr pBuf);
f0ab104f070bc7f569404826fea1828ed985638cvboxsync
f0ab104f070bc7f569404826fea1828ed985638cvboxsyncextern _X_EXPORT void
f0ab104f070bc7f569404826fea1828ed985638cvboxsyncshadowUpdateRotate8_90 (ScreenPtr pScreen,
f0ab104f070bc7f569404826fea1828ed985638cvboxsync shadowBufPtr pBuf);
f0ab104f070bc7f569404826fea1828ed985638cvboxsync
f0ab104f070bc7f569404826fea1828ed985638cvboxsyncextern _X_EXPORT void
f0ab104f070bc7f569404826fea1828ed985638cvboxsyncshadowUpdateRotate16_90 (ScreenPtr pScreen,
f0ab104f070bc7f569404826fea1828ed985638cvboxsync shadowBufPtr pBuf);
f0ab104f070bc7f569404826fea1828ed985638cvboxsync
f0ab104f070bc7f569404826fea1828ed985638cvboxsyncextern _X_EXPORT void
f0ab104f070bc7f569404826fea1828ed985638cvboxsyncshadowUpdateRotate16_90YX (ScreenPtr pScreen,
f0ab104f070bc7f569404826fea1828ed985638cvboxsync shadowBufPtr pBuf);
f0ab104f070bc7f569404826fea1828ed985638cvboxsync
f0ab104f070bc7f569404826fea1828ed985638cvboxsyncextern _X_EXPORT void
f0ab104f070bc7f569404826fea1828ed985638cvboxsyncshadowUpdateRotate32_90 (ScreenPtr pScreen,
f0ab104f070bc7f569404826fea1828ed985638cvboxsync shadowBufPtr pBuf);
f0ab104f070bc7f569404826fea1828ed985638cvboxsync
f0ab104f070bc7f569404826fea1828ed985638cvboxsyncextern _X_EXPORT void
f0ab104f070bc7f569404826fea1828ed985638cvboxsyncshadowUpdateRotate8_180 (ScreenPtr pScreen,
f0ab104f070bc7f569404826fea1828ed985638cvboxsync shadowBufPtr pBuf);
f0ab104f070bc7f569404826fea1828ed985638cvboxsync
f0ab104f070bc7f569404826fea1828ed985638cvboxsyncextern _X_EXPORT void
f0ab104f070bc7f569404826fea1828ed985638cvboxsyncshadowUpdateRotate16_180 (ScreenPtr pScreen,
f0ab104f070bc7f569404826fea1828ed985638cvboxsync shadowBufPtr pBuf);
f0ab104f070bc7f569404826fea1828ed985638cvboxsync
f0ab104f070bc7f569404826fea1828ed985638cvboxsyncextern _X_EXPORT void
f0ab104f070bc7f569404826fea1828ed985638cvboxsyncshadowUpdateRotate32_180 (ScreenPtr pScreen,
f0ab104f070bc7f569404826fea1828ed985638cvboxsync shadowBufPtr pBuf);
f0ab104f070bc7f569404826fea1828ed985638cvboxsync
f0ab104f070bc7f569404826fea1828ed985638cvboxsyncextern _X_EXPORT void
f0ab104f070bc7f569404826fea1828ed985638cvboxsyncshadowUpdateRotate8_270 (ScreenPtr pScreen,
f0ab104f070bc7f569404826fea1828ed985638cvboxsync shadowBufPtr pBuf);
f0ab104f070bc7f569404826fea1828ed985638cvboxsync
f0ab104f070bc7f569404826fea1828ed985638cvboxsyncextern _X_EXPORT void
f0ab104f070bc7f569404826fea1828ed985638cvboxsyncshadowUpdateRotate16_270 (ScreenPtr pScreen,
f0ab104f070bc7f569404826fea1828ed985638cvboxsync shadowBufPtr pBuf);
f0ab104f070bc7f569404826fea1828ed985638cvboxsync
f0ab104f070bc7f569404826fea1828ed985638cvboxsyncextern _X_EXPORT void
f0ab104f070bc7f569404826fea1828ed985638cvboxsyncshadowUpdateRotate16_270YX (ScreenPtr pScreen,
f0ab104f070bc7f569404826fea1828ed985638cvboxsync shadowBufPtr pBuf);
f0ab104f070bc7f569404826fea1828ed985638cvboxsync
f0ab104f070bc7f569404826fea1828ed985638cvboxsyncextern _X_EXPORT void
f0ab104f070bc7f569404826fea1828ed985638cvboxsyncshadowUpdateRotate32_270 (ScreenPtr pScreen,
f0ab104f070bc7f569404826fea1828ed985638cvboxsync shadowBufPtr pBuf);
f0ab104f070bc7f569404826fea1828ed985638cvboxsync
f0ab104f070bc7f569404826fea1828ed985638cvboxsyncextern _X_EXPORT void
f0ab104f070bc7f569404826fea1828ed985638cvboxsyncshadowUpdateRotate8 (ScreenPtr pScreen,
f0ab104f070bc7f569404826fea1828ed985638cvboxsync shadowBufPtr pBuf);
f0ab104f070bc7f569404826fea1828ed985638cvboxsync
f0ab104f070bc7f569404826fea1828ed985638cvboxsyncextern _X_EXPORT void
f0ab104f070bc7f569404826fea1828ed985638cvboxsyncshadowUpdateRotate16 (ScreenPtr pScreen,
f0ab104f070bc7f569404826fea1828ed985638cvboxsync shadowBufPtr pBuf);
f0ab104f070bc7f569404826fea1828ed985638cvboxsync
f0ab104f070bc7f569404826fea1828ed985638cvboxsyncextern _X_EXPORT void
f0ab104f070bc7f569404826fea1828ed985638cvboxsyncshadowUpdateRotate32 (ScreenPtr pScreen,
f0ab104f070bc7f569404826fea1828ed985638cvboxsync shadowBufPtr pBuf);
f0ab104f070bc7f569404826fea1828ed985638cvboxsync
f0ab104f070bc7f569404826fea1828ed985638cvboxsynctypedef void (* shadowUpdateProc)(ScreenPtr, shadowBufPtr);
f0ab104f070bc7f569404826fea1828ed985638cvboxsync
f0ab104f070bc7f569404826fea1828ed985638cvboxsyncextern _X_EXPORT shadowUpdateProc shadowUpdatePackedWeak(void);
f0ab104f070bc7f569404826fea1828ed985638cvboxsyncextern _X_EXPORT shadowUpdateProc shadowUpdatePlanar4Weak(void);
f0ab104f070bc7f569404826fea1828ed985638cvboxsyncextern _X_EXPORT shadowUpdateProc shadowUpdatePlanar4x8Weak(void);
f0ab104f070bc7f569404826fea1828ed985638cvboxsyncextern _X_EXPORT shadowUpdateProc shadowUpdateRotatePackedWeak(void);
f0ab104f070bc7f569404826fea1828ed985638cvboxsync
f0ab104f070bc7f569404826fea1828ed985638cvboxsync#endif /* _SHADOW_H_ */