a3f3701cea1ba388e7c877955252bb7375eedebdvboxsync/*
a3f3701cea1ba388e7c877955252bb7375eedebdvboxsync *
a3f3701cea1ba388e7c877955252bb7375eedebdvboxsync * Copyright © 2000 Keith Packard
a3f3701cea1ba388e7c877955252bb7375eedebdvboxsync *
a3f3701cea1ba388e7c877955252bb7375eedebdvboxsync * Permission to use, copy, modify, distribute, and sell this software and its
a3f3701cea1ba388e7c877955252bb7375eedebdvboxsync * documentation for any purpose is hereby granted without fee, provided that
a3f3701cea1ba388e7c877955252bb7375eedebdvboxsync * the above copyright notice appear in all copies and that both that
a3f3701cea1ba388e7c877955252bb7375eedebdvboxsync * copyright notice and this permission notice appear in supporting
a3f3701cea1ba388e7c877955252bb7375eedebdvboxsync * documentation, and that the name of Keith Packard not be used in
a3f3701cea1ba388e7c877955252bb7375eedebdvboxsync * advertising or publicity pertaining to distribution of the software without
a3f3701cea1ba388e7c877955252bb7375eedebdvboxsync * specific, written prior permission. Keith Packard makes no
a3f3701cea1ba388e7c877955252bb7375eedebdvboxsync * representations about the suitability of this software for any purpose. It
a3f3701cea1ba388e7c877955252bb7375eedebdvboxsync * is provided "as is" without express or implied warranty.
a3f3701cea1ba388e7c877955252bb7375eedebdvboxsync *
a3f3701cea1ba388e7c877955252bb7375eedebdvboxsync * KEITH PACKARD DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
a3f3701cea1ba388e7c877955252bb7375eedebdvboxsync * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO
a3f3701cea1ba388e7c877955252bb7375eedebdvboxsync * EVENT SHALL KEITH PACKARD BE LIABLE FOR ANY SPECIAL, INDIRECT OR
a3f3701cea1ba388e7c877955252bb7375eedebdvboxsync * CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE,
a3f3701cea1ba388e7c877955252bb7375eedebdvboxsync * DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
a3f3701cea1ba388e7c877955252bb7375eedebdvboxsync * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
a3f3701cea1ba388e7c877955252bb7375eedebdvboxsync * PERFORMANCE OF THIS SOFTWARE.
a3f3701cea1ba388e7c877955252bb7375eedebdvboxsync */
a3f3701cea1ba388e7c877955252bb7375eedebdvboxsync
a3f3701cea1ba388e7c877955252bb7375eedebdvboxsync#ifndef _SHADOW_H_
a3f3701cea1ba388e7c877955252bb7375eedebdvboxsync#define _SHADOW_H_
a3f3701cea1ba388e7c877955252bb7375eedebdvboxsync
a3f3701cea1ba388e7c877955252bb7375eedebdvboxsync#include "scrnintstr.h"
a3f3701cea1ba388e7c877955252bb7375eedebdvboxsync
a3f3701cea1ba388e7c877955252bb7375eedebdvboxsync#include "picturestr.h"
a3f3701cea1ba388e7c877955252bb7375eedebdvboxsync
a3f3701cea1ba388e7c877955252bb7375eedebdvboxsync#include "damage.h"
a3f3701cea1ba388e7c877955252bb7375eedebdvboxsync#include "damagestr.h"
a3f3701cea1ba388e7c877955252bb7375eedebdvboxsynctypedef struct _shadowBuf *shadowBufPtr;
a3f3701cea1ba388e7c877955252bb7375eedebdvboxsync
a3f3701cea1ba388e7c877955252bb7375eedebdvboxsynctypedef void (*ShadowUpdateProc) (ScreenPtr pScreen, shadowBufPtr pBuf);
a3f3701cea1ba388e7c877955252bb7375eedebdvboxsync
a3f3701cea1ba388e7c877955252bb7375eedebdvboxsync#define SHADOW_WINDOW_RELOCATE 1
a3f3701cea1ba388e7c877955252bb7375eedebdvboxsync#define SHADOW_WINDOW_READ 2
a3f3701cea1ba388e7c877955252bb7375eedebdvboxsync#define SHADOW_WINDOW_WRITE 4
a3f3701cea1ba388e7c877955252bb7375eedebdvboxsync
a3f3701cea1ba388e7c877955252bb7375eedebdvboxsynctypedef void *(*ShadowWindowProc) (ScreenPtr pScreen,
a3f3701cea1ba388e7c877955252bb7375eedebdvboxsync CARD32 row,
a3f3701cea1ba388e7c877955252bb7375eedebdvboxsync CARD32 offset,
a3f3701cea1ba388e7c877955252bb7375eedebdvboxsync int mode, CARD32 *size, void *closure);
a3f3701cea1ba388e7c877955252bb7375eedebdvboxsync
a3f3701cea1ba388e7c877955252bb7375eedebdvboxsync/* BC hack: do not move the damage member. see shadow.c for explanation. */
a3f3701cea1ba388e7c877955252bb7375eedebdvboxsynctypedef struct _shadowBuf {
a3f3701cea1ba388e7c877955252bb7375eedebdvboxsync DamagePtr pDamage;
a3f3701cea1ba388e7c877955252bb7375eedebdvboxsync ShadowUpdateProc update;
a3f3701cea1ba388e7c877955252bb7375eedebdvboxsync ShadowWindowProc window;
a3f3701cea1ba388e7c877955252bb7375eedebdvboxsync RegionRec damage;
a3f3701cea1ba388e7c877955252bb7375eedebdvboxsync PixmapPtr pPixmap;
a3f3701cea1ba388e7c877955252bb7375eedebdvboxsync void *closure;
a3f3701cea1ba388e7c877955252bb7375eedebdvboxsync int randr;
a3f3701cea1ba388e7c877955252bb7375eedebdvboxsync
a3f3701cea1ba388e7c877955252bb7375eedebdvboxsync /* screen wrappers */
a3f3701cea1ba388e7c877955252bb7375eedebdvboxsync GetImageProcPtr GetImage;
a3f3701cea1ba388e7c877955252bb7375eedebdvboxsync CloseScreenProcPtr CloseScreen;
a3f3701cea1ba388e7c877955252bb7375eedebdvboxsync} shadowBufRec;
a3f3701cea1ba388e7c877955252bb7375eedebdvboxsync
a3f3701cea1ba388e7c877955252bb7375eedebdvboxsync/* Match defines from randr extension */
a3f3701cea1ba388e7c877955252bb7375eedebdvboxsync#define SHADOW_ROTATE_0 1
a3f3701cea1ba388e7c877955252bb7375eedebdvboxsync#define SHADOW_ROTATE_90 2
a3f3701cea1ba388e7c877955252bb7375eedebdvboxsync#define SHADOW_ROTATE_180 4
a3f3701cea1ba388e7c877955252bb7375eedebdvboxsync#define SHADOW_ROTATE_270 8
a3f3701cea1ba388e7c877955252bb7375eedebdvboxsync#define SHADOW_ROTATE_ALL (SHADOW_ROTATE_0|SHADOW_ROTATE_90|\
a3f3701cea1ba388e7c877955252bb7375eedebdvboxsync SHADOW_ROTATE_180|SHADOW_ROTATE_270)
a3f3701cea1ba388e7c877955252bb7375eedebdvboxsync#define SHADOW_REFLECT_X 16
a3f3701cea1ba388e7c877955252bb7375eedebdvboxsync#define SHADOW_REFLECT_Y 32
a3f3701cea1ba388e7c877955252bb7375eedebdvboxsync#define SHADOW_REFLECT_ALL (SHADOW_REFLECT_X|SHADOW_REFLECT_Y)
a3f3701cea1ba388e7c877955252bb7375eedebdvboxsync
a3f3701cea1ba388e7c877955252bb7375eedebdvboxsyncextern _X_EXPORT DevPrivateKey shadowScrPrivateKey;
a3f3701cea1ba388e7c877955252bb7375eedebdvboxsync
a3f3701cea1ba388e7c877955252bb7375eedebdvboxsync#define shadowGetBuf(pScr) ((shadowBufPtr) \
a3f3701cea1ba388e7c877955252bb7375eedebdvboxsync dixLookupPrivate(&(pScr)->devPrivates, shadowScrPrivateKey))
a3f3701cea1ba388e7c877955252bb7375eedebdvboxsync#define shadowBuf(pScr) shadowBufPtr pBuf = shadowGetBuf(pScr)
a3f3701cea1ba388e7c877955252bb7375eedebdvboxsync#define shadowDamage(pBuf) DamageRegion(pBuf->pDamage)
a3f3701cea1ba388e7c877955252bb7375eedebdvboxsync
a3f3701cea1ba388e7c877955252bb7375eedebdvboxsyncextern _X_EXPORT Bool
a3f3701cea1ba388e7c877955252bb7375eedebdvboxsync shadowSetup(ScreenPtr pScreen);
a3f3701cea1ba388e7c877955252bb7375eedebdvboxsync
a3f3701cea1ba388e7c877955252bb7375eedebdvboxsyncextern _X_EXPORT Bool
a3f3701cea1ba388e7c877955252bb7375eedebdvboxsync
a3f3701cea1ba388e7c877955252bb7375eedebdvboxsyncshadowAdd(ScreenPtr pScreen,
a3f3701cea1ba388e7c877955252bb7375eedebdvboxsync PixmapPtr pPixmap,
a3f3701cea1ba388e7c877955252bb7375eedebdvboxsync ShadowUpdateProc update,
a3f3701cea1ba388e7c877955252bb7375eedebdvboxsync ShadowWindowProc window, int randr, void *closure);
a3f3701cea1ba388e7c877955252bb7375eedebdvboxsync
a3f3701cea1ba388e7c877955252bb7375eedebdvboxsyncextern _X_EXPORT void
a3f3701cea1ba388e7c877955252bb7375eedebdvboxsync shadowRemove(ScreenPtr pScreen, PixmapPtr pPixmap);
a3f3701cea1ba388e7c877955252bb7375eedebdvboxsync
a3f3701cea1ba388e7c877955252bb7375eedebdvboxsyncextern _X_EXPORT Bool
a3f3701cea1ba388e7c877955252bb7375eedebdvboxsync
a3f3701cea1ba388e7c877955252bb7375eedebdvboxsyncshadowInit(ScreenPtr pScreen, ShadowUpdateProc update, ShadowWindowProc window);
a3f3701cea1ba388e7c877955252bb7375eedebdvboxsync
a3f3701cea1ba388e7c877955252bb7375eedebdvboxsyncextern _X_EXPORT void *shadowAlloc(int width, int height, int bpp);
a3f3701cea1ba388e7c877955252bb7375eedebdvboxsync
a3f3701cea1ba388e7c877955252bb7375eedebdvboxsyncextern _X_EXPORT void
a3f3701cea1ba388e7c877955252bb7375eedebdvboxsync shadowUpdatePacked(ScreenPtr pScreen, shadowBufPtr pBuf);
a3f3701cea1ba388e7c877955252bb7375eedebdvboxsync
a3f3701cea1ba388e7c877955252bb7375eedebdvboxsyncextern _X_EXPORT void
a3f3701cea1ba388e7c877955252bb7375eedebdvboxsync shadowUpdatePlanar4(ScreenPtr pScreen, shadowBufPtr pBuf);
a3f3701cea1ba388e7c877955252bb7375eedebdvboxsync
a3f3701cea1ba388e7c877955252bb7375eedebdvboxsyncextern _X_EXPORT void
a3f3701cea1ba388e7c877955252bb7375eedebdvboxsync shadowUpdatePlanar4x8(ScreenPtr pScreen, shadowBufPtr pBuf);
a3f3701cea1ba388e7c877955252bb7375eedebdvboxsync
a3f3701cea1ba388e7c877955252bb7375eedebdvboxsyncextern _X_EXPORT void
a3f3701cea1ba388e7c877955252bb7375eedebdvboxsync shadowUpdateRotatePacked(ScreenPtr pScreen, shadowBufPtr pBuf);
a3f3701cea1ba388e7c877955252bb7375eedebdvboxsync
a3f3701cea1ba388e7c877955252bb7375eedebdvboxsyncextern _X_EXPORT void
a3f3701cea1ba388e7c877955252bb7375eedebdvboxsync shadowUpdateRotate8_90(ScreenPtr pScreen, shadowBufPtr pBuf);
a3f3701cea1ba388e7c877955252bb7375eedebdvboxsync
a3f3701cea1ba388e7c877955252bb7375eedebdvboxsyncextern _X_EXPORT void
a3f3701cea1ba388e7c877955252bb7375eedebdvboxsync shadowUpdateRotate16_90(ScreenPtr pScreen, shadowBufPtr pBuf);
a3f3701cea1ba388e7c877955252bb7375eedebdvboxsync
a3f3701cea1ba388e7c877955252bb7375eedebdvboxsyncextern _X_EXPORT void
a3f3701cea1ba388e7c877955252bb7375eedebdvboxsync shadowUpdateRotate16_90YX(ScreenPtr pScreen, shadowBufPtr pBuf);
a3f3701cea1ba388e7c877955252bb7375eedebdvboxsync
a3f3701cea1ba388e7c877955252bb7375eedebdvboxsyncextern _X_EXPORT void
a3f3701cea1ba388e7c877955252bb7375eedebdvboxsync shadowUpdateRotate32_90(ScreenPtr pScreen, shadowBufPtr pBuf);
a3f3701cea1ba388e7c877955252bb7375eedebdvboxsync
a3f3701cea1ba388e7c877955252bb7375eedebdvboxsyncextern _X_EXPORT void
a3f3701cea1ba388e7c877955252bb7375eedebdvboxsync shadowUpdateRotate8_180(ScreenPtr pScreen, shadowBufPtr pBuf);
a3f3701cea1ba388e7c877955252bb7375eedebdvboxsync
a3f3701cea1ba388e7c877955252bb7375eedebdvboxsyncextern _X_EXPORT void
a3f3701cea1ba388e7c877955252bb7375eedebdvboxsync shadowUpdateRotate16_180(ScreenPtr pScreen, shadowBufPtr pBuf);
a3f3701cea1ba388e7c877955252bb7375eedebdvboxsync
a3f3701cea1ba388e7c877955252bb7375eedebdvboxsyncextern _X_EXPORT void
a3f3701cea1ba388e7c877955252bb7375eedebdvboxsync shadowUpdateRotate32_180(ScreenPtr pScreen, shadowBufPtr pBuf);
a3f3701cea1ba388e7c877955252bb7375eedebdvboxsync
a3f3701cea1ba388e7c877955252bb7375eedebdvboxsyncextern _X_EXPORT void
a3f3701cea1ba388e7c877955252bb7375eedebdvboxsync shadowUpdateRotate8_270(ScreenPtr pScreen, shadowBufPtr pBuf);
a3f3701cea1ba388e7c877955252bb7375eedebdvboxsync
a3f3701cea1ba388e7c877955252bb7375eedebdvboxsyncextern _X_EXPORT void
a3f3701cea1ba388e7c877955252bb7375eedebdvboxsync shadowUpdateRotate16_270(ScreenPtr pScreen, shadowBufPtr pBuf);
a3f3701cea1ba388e7c877955252bb7375eedebdvboxsync
a3f3701cea1ba388e7c877955252bb7375eedebdvboxsyncextern _X_EXPORT void
a3f3701cea1ba388e7c877955252bb7375eedebdvboxsync shadowUpdateRotate16_270YX(ScreenPtr pScreen, shadowBufPtr pBuf);
a3f3701cea1ba388e7c877955252bb7375eedebdvboxsync
a3f3701cea1ba388e7c877955252bb7375eedebdvboxsyncextern _X_EXPORT void
a3f3701cea1ba388e7c877955252bb7375eedebdvboxsync shadowUpdateRotate32_270(ScreenPtr pScreen, shadowBufPtr pBuf);
a3f3701cea1ba388e7c877955252bb7375eedebdvboxsync
a3f3701cea1ba388e7c877955252bb7375eedebdvboxsyncextern _X_EXPORT void
a3f3701cea1ba388e7c877955252bb7375eedebdvboxsync shadowUpdateRotate8(ScreenPtr pScreen, shadowBufPtr pBuf);
a3f3701cea1ba388e7c877955252bb7375eedebdvboxsync
a3f3701cea1ba388e7c877955252bb7375eedebdvboxsyncextern _X_EXPORT void
a3f3701cea1ba388e7c877955252bb7375eedebdvboxsync shadowUpdateRotate16(ScreenPtr pScreen, shadowBufPtr pBuf);
a3f3701cea1ba388e7c877955252bb7375eedebdvboxsync
a3f3701cea1ba388e7c877955252bb7375eedebdvboxsyncextern _X_EXPORT void
a3f3701cea1ba388e7c877955252bb7375eedebdvboxsync shadowUpdateRotate32(ScreenPtr pScreen, shadowBufPtr pBuf);
a3f3701cea1ba388e7c877955252bb7375eedebdvboxsync
a3f3701cea1ba388e7c877955252bb7375eedebdvboxsynctypedef void (*shadowUpdateProc) (ScreenPtr, shadowBufPtr);
a3f3701cea1ba388e7c877955252bb7375eedebdvboxsync
a3f3701cea1ba388e7c877955252bb7375eedebdvboxsyncextern _X_EXPORT shadowUpdateProc shadowUpdatePackedWeak(void);
a3f3701cea1ba388e7c877955252bb7375eedebdvboxsyncextern _X_EXPORT shadowUpdateProc shadowUpdatePlanar4Weak(void);
a3f3701cea1ba388e7c877955252bb7375eedebdvboxsyncextern _X_EXPORT shadowUpdateProc shadowUpdatePlanar4x8Weak(void);
a3f3701cea1ba388e7c877955252bb7375eedebdvboxsyncextern _X_EXPORT shadowUpdateProc shadowUpdateRotatePackedWeak(void);
a3f3701cea1ba388e7c877955252bb7375eedebdvboxsync
a3f3701cea1ba388e7c877955252bb7375eedebdvboxsync#endif /* _SHADOW_H_ */