167 lines
4.5 KiB
C
167 lines
4.5 KiB
C
/*
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* $XFree86: xc/programs/Xserver/miext/shadow/shadow.h,v 1.6tsi Exp $
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*
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* Copyright © 2000 Keith Packard
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*
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* Permission to use, copy, modify, distribute, and sell this software and its
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* documentation for any purpose is hereby granted without fee, provided that
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* the above copyright notice appear in all copies and that both that
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* copyright notice and this permission notice appear in supporting
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* documentation, and that the name of Keith Packard not be used in
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* advertising or publicity pertaining to distribution of the software without
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* specific, written prior permission. Keith Packard makes no
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* representations about the suitability of this software for any purpose. It
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* is provided "as is" without express or implied warranty.
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*
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* KEITH PACKARD DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
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* INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO
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* EVENT SHALL KEITH PACKARD BE LIABLE FOR ANY SPECIAL, INDIRECT OR
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* CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE,
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* DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
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* TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
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* PERFORMANCE OF THIS SOFTWARE.
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*/
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#ifndef _SHADOW_H_
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#define _SHADOW_H_
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#include "scrnintstr.h"
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#ifdef RENDER
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#include "picturestr.h"
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#endif
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#include "damage.h"
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#include "damagestr.h"
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typedef struct _shadowBuf *shadowBufPtr;
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typedef void (*ShadowUpdateProc) (ScreenPtr pScreen,
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shadowBufPtr pBuf);
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#define SHADOW_WINDOW_RELOCATE 1
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#define SHADOW_WINDOW_READ 2
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#define SHADOW_WINDOW_WRITE 4
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typedef void *(*ShadowWindowProc) (ScreenPtr pScreen,
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CARD32 row,
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CARD32 offset,
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int mode,
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CARD32 *size,
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void *closure);
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/* BC hack: do not move the damage member. see shadow.c for explanation. */
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typedef struct _shadowBuf {
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DamagePtr pDamage;
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ShadowUpdateProc update;
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ShadowWindowProc window;
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RegionRec damage;
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PixmapPtr pPixmap;
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void *closure;
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int randr;
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/* screen wrappers */
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GetImageProcPtr GetImage;
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CloseScreenProcPtr CloseScreen;
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} shadowBufRec;
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/* Match defines from randr extension */
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#define SHADOW_ROTATE_0 1
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#define SHADOW_ROTATE_90 2
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#define SHADOW_ROTATE_180 4
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#define SHADOW_ROTATE_270 8
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#define SHADOW_ROTATE_ALL (SHADOW_ROTATE_0|SHADOW_ROTATE_90|\
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SHADOW_ROTATE_180|SHADOW_ROTATE_270)
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#define SHADOW_REFLECT_X 16
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#define SHADOW_REFLECT_Y 32
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#define SHADOW_REFLECT_ALL (SHADOW_REFLECT_X|SHADOW_REFLECT_Y)
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extern int shadowScrPrivateIndex;
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#define shadowGetBuf(pScr) ((shadowBufPtr) (pScr)->devPrivates[shadowScrPrivateIndex].ptr)
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#define shadowBuf(pScr) shadowBufPtr pBuf = shadowGetBuf(pScr)
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#define shadowDamage(pBuf) DamageRegion(pBuf->pDamage)
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Bool
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shadowSetup (ScreenPtr pScreen);
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Bool
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shadowAdd (ScreenPtr pScreen,
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PixmapPtr pPixmap,
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ShadowUpdateProc update,
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ShadowWindowProc window,
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int randr,
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void *closure);
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void
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shadowRemove (ScreenPtr pScreen, PixmapPtr pPixmap);
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shadowBufPtr
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shadowFindBuf (WindowPtr pWindow);
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Bool
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shadowInit (ScreenPtr pScreen, ShadowUpdateProc update, ShadowWindowProc window);
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void *
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shadowAlloc (int width, int height, int bpp);
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void
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shadowUpdatePacked (ScreenPtr pScreen,
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shadowBufPtr pBuf);
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void
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shadowUpdatePlanar4 (ScreenPtr pScreen,
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shadowBufPtr pBuf);
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void
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shadowUpdatePlanar4x8 (ScreenPtr pScreen,
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shadowBufPtr pBuf);
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void
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shadowUpdateRotatePacked (ScreenPtr pScreen,
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shadowBufPtr pBuf);
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void
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shadowUpdateRotate8_90 (ScreenPtr pScreen,
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shadowBufPtr pBuf);
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void
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shadowUpdateRotate16_90 (ScreenPtr pScreen,
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shadowBufPtr pBuf);
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void
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shadowUpdateRotate32_90 (ScreenPtr pScreen,
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shadowBufPtr pBuf);
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void
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shadowUpdateRotate8_180 (ScreenPtr pScreen,
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shadowBufPtr pBuf);
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void
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shadowUpdateRotate16_180 (ScreenPtr pScreen,
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shadowBufPtr pBuf);
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void
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shadowUpdateRotate32_180 (ScreenPtr pScreen,
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shadowBufPtr pBuf);
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void
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shadowUpdateRotate8_270 (ScreenPtr pScreen,
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shadowBufPtr pBuf);
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void
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shadowUpdateRotate16_270 (ScreenPtr pScreen,
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shadowBufPtr pBuf);
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void
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shadowUpdateRotate32_270 (ScreenPtr pScreen,
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shadowBufPtr pBuf);
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typedef void (* shadowUpdateProc)(ScreenPtr, shadowBufPtr);
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shadowUpdateProc shadowUpdatePackedWeak(void);
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shadowUpdateProc shadowUpdatePlanar4Weak(void);
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shadowUpdateProc shadowUpdatePlanar4x8Weak(void);
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shadowUpdateProc shadowUpdateRotatePackedWeak(void);
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#endif /* _SHADOW_H_ */
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