74fe172698ba936102e120dae998c9ebd09cfbdfvboxsync * $Xorg: multibufst.h,v 1.4 2001/02/09 02:03:24 xorgcvs Exp $
74fe172698ba936102e120dae998c9ebd09cfbdfvboxsyncCopyright 1989, 1998 The Open Group
74fe172698ba936102e120dae998c9ebd09cfbdfvboxsyncPermission to use, copy, modify, distribute, and sell this software and its
74fe172698ba936102e120dae998c9ebd09cfbdfvboxsyncdocumentation for any purpose is hereby granted without fee, provided that
74fe172698ba936102e120dae998c9ebd09cfbdfvboxsyncthe above copyright notice appear in all copies and that both that
74fe172698ba936102e120dae998c9ebd09cfbdfvboxsynccopyright notice and this permission notice appear in supporting
74fe172698ba936102e120dae998c9ebd09cfbdfvboxsyncdocumentation.
74fe172698ba936102e120dae998c9ebd09cfbdfvboxsyncThe above copyright notice and this permission notice shall be included in
74fe172698ba936102e120dae998c9ebd09cfbdfvboxsyncall copies or substantial portions of the Software.
74fe172698ba936102e120dae998c9ebd09cfbdfvboxsyncTHE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
74fe172698ba936102e120dae998c9ebd09cfbdfvboxsyncIMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
74fe172698ba936102e120dae998c9ebd09cfbdfvboxsyncFITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
74fe172698ba936102e120dae998c9ebd09cfbdfvboxsyncOPEN GROUP BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
74fe172698ba936102e120dae998c9ebd09cfbdfvboxsyncAN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
74fe172698ba936102e120dae998c9ebd09cfbdfvboxsyncCONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
74fe172698ba936102e120dae998c9ebd09cfbdfvboxsyncExcept as contained in this notice, the name of The Open Group shall not be
74fe172698ba936102e120dae998c9ebd09cfbdfvboxsyncused in advertising or otherwise to promote the sale, use or other dealings
74fe172698ba936102e120dae998c9ebd09cfbdfvboxsyncin this Software without prior written authorization from The Open Group.
74fe172698ba936102e120dae998c9ebd09cfbdfvboxsync/* $XFree86: xc/include/extensions/multibufst.h,v 3.8 2001/12/19 21:37:29 dawes Exp $ */
74fe172698ba936102e120dae998c9ebd09cfbdfvboxsync * Protocol requests constants and alignment values
74fe172698ba936102e120dae998c9ebd09cfbdfvboxsync#define MbufGetReq(name,req,info) GetReq (name, req); \
74fe172698ba936102e120dae998c9ebd09cfbdfvboxsync#define MbufGetReq(name,req,info) GetReq (name, req); \
74fe172698ba936102e120dae998c9ebd09cfbdfvboxsync CARD16 maxBuffers B16; /* maximum supported buffers */
74fe172698ba936102e120dae998c9ebd09cfbdfvboxsynctypedef struct {
74fe172698ba936102e120dae998c9ebd09cfbdfvboxsynctypedef struct {
74fe172698ba936102e120dae998c9ebd09cfbdfvboxsynctypedef struct {
74fe172698ba936102e120dae998c9ebd09cfbdfvboxsync CARD8 mbufReqType; /* always X_MbufGetBufferVersion */
74fe172698ba936102e120dae998c9ebd09cfbdfvboxsynctypedef struct {
74fe172698ba936102e120dae998c9ebd09cfbdfvboxsync CARD8 majorVersion; /* major version of Multi-Buffering protocol */
74fe172698ba936102e120dae998c9ebd09cfbdfvboxsync CARD8 minorVersion; /* minor version of Multi-Buffering protocol */
74fe172698ba936102e120dae998c9ebd09cfbdfvboxsynctypedef struct {
74fe172698ba936102e120dae998c9ebd09cfbdfvboxsync CARD8 mbufReqType; /* always X_MbufCreateImageBuffers */
74fe172698ba936102e120dae998c9ebd09cfbdfvboxsync CARD8 updateHint; /* hint as to frequency of updates */
74fe172698ba936102e120dae998c9ebd09cfbdfvboxsync} xMbufCreateImageBuffersReq; /* followed by buffer ids */
74fe172698ba936102e120dae998c9ebd09cfbdfvboxsynctypedef struct {
74fe172698ba936102e120dae998c9ebd09cfbdfvboxsync CARD16 numberBuffer B16; /* number successfully allocated */
74fe172698ba936102e120dae998c9ebd09cfbdfvboxsynctypedef struct {
74fe172698ba936102e120dae998c9ebd09cfbdfvboxsync CARD8 mbufReqType; /* always X_MbufDestroyImageBuffers */
74fe172698ba936102e120dae998c9ebd09cfbdfvboxsynctypedef struct {
74fe172698ba936102e120dae998c9ebd09cfbdfvboxsync CARD8 mbufReqType; /* always X_MbufDisplayImageBuffers */
74fe172698ba936102e120dae998c9ebd09cfbdfvboxsync CARD16 minDelay B16; /* minimum time between last update and now */
74fe172698ba936102e120dae998c9ebd09cfbdfvboxsync CARD16 maxDelay B16; /* maximum time between last update and now */
74fe172698ba936102e120dae998c9ebd09cfbdfvboxsync} xMbufDisplayImageBuffersReq; /* followed by list of buffers */
74fe172698ba936102e120dae998c9ebd09cfbdfvboxsynctypedef struct {
74fe172698ba936102e120dae998c9ebd09cfbdfvboxsync CARD8 mbufReqType; /* always X_MbufSetMBufferAttributes */
74fe172698ba936102e120dae998c9ebd09cfbdfvboxsync} xMbufSetMBufferAttributesReq; /* followed by values */
74fe172698ba936102e120dae998c9ebd09cfbdfvboxsynctypedef struct {
74fe172698ba936102e120dae998c9ebd09cfbdfvboxsync CARD8 mbufReqType; /* always X_MbufGetMBufferAttributes */
74fe172698ba936102e120dae998c9ebd09cfbdfvboxsynctypedef struct {
74fe172698ba936102e120dae998c9ebd09cfbdfvboxsync CARD16 displayedBuffer B16; /* currently visible buffer */
74fe172698ba936102e120dae998c9ebd09cfbdfvboxsynctypedef struct {
74fe172698ba936102e120dae998c9ebd09cfbdfvboxsync CARD8 mbufReqType; /* always X_MbufSetBufferAttributes */
74fe172698ba936102e120dae998c9ebd09cfbdfvboxsync} xMbufSetBufferAttributesReq; /* followed by values */
74fe172698ba936102e120dae998c9ebd09cfbdfvboxsynctypedef struct {
74fe172698ba936102e120dae998c9ebd09cfbdfvboxsync CARD8 mbufReqType; /* always X_MbufGetBufferAttributes */
74fe172698ba936102e120dae998c9ebd09cfbdfvboxsynctypedef struct {
74fe172698ba936102e120dae998c9ebd09cfbdfvboxsynctypedef struct {
74fe172698ba936102e120dae998c9ebd09cfbdfvboxsync CARD8 mbufReqType; /* always X_MbufGetBufferInfo */
74fe172698ba936102e120dae998c9ebd09cfbdfvboxsynctypedef struct {
74fe172698ba936102e120dae998c9ebd09cfbdfvboxsync} xMbufGetBufferInfoReply; /* followed by buffer infos */
74fe172698ba936102e120dae998c9ebd09cfbdfvboxsynctypedef struct {
74fe172698ba936102e120dae998c9ebd09cfbdfvboxsync CARD8 mbufReqType; /* always X_MbufCreateStereoWindow */
74fe172698ba936102e120dae998c9ebd09cfbdfvboxsync} xMbufCreateStereoWindowReq; /* followed by value list */
74fe172698ba936102e120dae998c9ebd09cfbdfvboxsynctypedef struct {
74fe172698ba936102e120dae998c9ebd09cfbdfvboxsync CARD8 mbufReqType; /* always X_MbufClearImageBufferArea */
74fe172698ba936102e120dae998c9ebd09cfbdfvboxsync/* Macros for wrapping and unwrapping functions */
74fe172698ba936102e120dae998c9ebd09cfbdfvboxsync#define SWAP_FUNC_VECTOR(pSTRUCT1,pSTRUCT2,DATA_TYPE,FUNC_NAME) \
74fe172698ba936102e120dae998c9ebd09cfbdfvboxsync#define WRAP_SCREEN_FUNC(pSCREEN,pPRIV,FUNC_NAME, PRIV_FUNC_NAME) \
74fe172698ba936102e120dae998c9ebd09cfbdfvboxsync if ((pPRIV->funcsWrapped & FUNC_NAME##Mask) == 0) \
74fe172698ba936102e120dae998c9ebd09cfbdfvboxsync#define UNWRAP_SCREEN_FUNC(pSCREEN,pPRIV,DATA_TYPE,FUNC_NAME) \
74fe172698ba936102e120dae998c9ebd09cfbdfvboxsync SWAP_FUNC_VECTOR(pSCREEN,pPRIV,DATA_TYPE,FUNC_NAME); \
74fe172698ba936102e120dae998c9ebd09cfbdfvboxsync#define REWRAP_SCREEN_FUNC(pSCREEN,pPRIV,DATA_TYPE,FUNC_NAME) \
74fe172698ba936102e120dae998c9ebd09cfbdfvboxsync SWAP_FUNC_VECTOR(pSCREEN,pPRIV,DATA_TYPE,FUNC_NAME); \
74fe172698ba936102e120dae998c9ebd09cfbdfvboxsync#define WRAP_SCREEN_FUNC(pSCREEN,pPRIV,FUNC_NAME, PRIV_FUNC_NAME) \
74fe172698ba936102e120dae998c9ebd09cfbdfvboxsync if ((pPRIV->funcsWrapped & FUNC_NAME/**/Mask) == 0) \
74fe172698ba936102e120dae998c9ebd09cfbdfvboxsync#define UNWRAP_SCREEN_FUNC(pSCREEN,pPRIV,DATA_TYPE,FUNC_NAME) \
74fe172698ba936102e120dae998c9ebd09cfbdfvboxsync SWAP_FUNC_VECTOR(pSCREEN,pPRIV,DATA_TYPE,FUNC_NAME); \
74fe172698ba936102e120dae998c9ebd09cfbdfvboxsync#define REWRAP_SCREEN_FUNC(pSCREEN,pPRIV,DATA_TYPE,FUNC_NAME) \
74fe172698ba936102e120dae998c9ebd09cfbdfvboxsync SWAP_FUNC_VECTOR(pSCREEN,pPRIV,DATA_TYPE,FUNC_NAME); \
74fe172698ba936102e120dae998c9ebd09cfbdfvboxsync/* The _Multibuffer and _Multibuffers structures below refer to each other,
74fe172698ba936102e120dae998c9ebd09cfbdfvboxsync * so we need this forward declaration
74fe172698ba936102e120dae998c9ebd09cfbdfvboxsync * per-Multibuffer data
74fe172698ba936102e120dae998c9ebd09cfbdfvboxsync MultibuffersPtr pMultibuffers; /* associated window data */
74fe172698ba936102e120dae998c9ebd09cfbdfvboxsync Mask eventMask; /* MultibufferClobberNotifyMask|ExposureMask|MultibufferUpdateNotifyMask */
74fe172698ba936102e120dae998c9ebd09cfbdfvboxsync Mask otherEventMask; /* mask of all other clients event masks */
74fe172698ba936102e120dae998c9ebd09cfbdfvboxsync OtherClients *otherClients; /* other clients that want events */
74fe172698ba936102e120dae998c9ebd09cfbdfvboxsync int clobber; /* Unclobbered, PartiallyClobbered, FullClobbered */
74fe172698ba936102e120dae998c9ebd09cfbdfvboxsync * per-window data
74fe172698ba936102e120dae998c9ebd09cfbdfvboxsync int displayedMultibuffer; /* currently active buffer */
74fe172698ba936102e120dae998c9ebd09cfbdfvboxsync int updateAction; /* Undefined, Background, Untouched, Copied */
74fe172698ba936102e120dae998c9ebd09cfbdfvboxsync int updateHint; /* Frequent, Intermittent, Static */
74fe172698ba936102e120dae998c9ebd09cfbdfvboxsync unsigned short width, height; /* last known window size */
74fe172698ba936102e120dae998c9ebd09cfbdfvboxsync short x, y; /* for static gravity */
74fe172698ba936102e120dae998c9ebd09cfbdfvboxsync MultibufferPtr buffers; /* array of numMultibuffer buffers */
74fe172698ba936102e120dae998c9ebd09cfbdfvboxsync * per-screen data
74fe172698ba936102e120dae998c9ebd09cfbdfvboxsync PositionWindowProcPtr PositionWindow; /* pWin, x,y */
74fe172698ba936102e120dae998c9ebd09cfbdfvboxsync * per display-image-buffers request data.
74fe172698ba936102e120dae998c9ebd09cfbdfvboxsyncextern void MultibufferExpose( /* pMbuffer, pRegion */
74fe172698ba936102e120dae998c9ebd09cfbdfvboxsync * per-buffer data
74fe172698ba936102e120dae998c9ebd09cfbdfvboxsync ((pMBWindow)->buffers + (pMBWindow)->displayedMultibuffer)
74fe172698ba936102e120dae998c9ebd09cfbdfvboxsync mbufWindowPtr pMBWindow; /* associated window data */
74fe172698ba936102e120dae998c9ebd09cfbdfvboxsync Mask otherEventMask; /* union of other clients' event masks */
74fe172698ba936102e120dae998c9ebd09cfbdfvboxsync OtherClientsPtr otherClients; /* other clients that want events */
74fe172698ba936102e120dae998c9ebd09cfbdfvboxsync * per-window data
74fe172698ba936102e120dae998c9ebd09cfbdfvboxsync ((mbufWindowPtr)((pWin)->devPrivates[MultibufferWindowIndex].ptr))
74fe172698ba936102e120dae998c9ebd09cfbdfvboxsync mbufBufferPtr buffers; /* array of (numMultibuffer) buffers */
74fe172698ba936102e120dae998c9ebd09cfbdfvboxsync int displayedMultibuffer; /* currently active buffer */
74fe172698ba936102e120dae998c9ebd09cfbdfvboxsync Untouched, Copied */
74fe172698ba936102e120dae998c9ebd09cfbdfvboxsync int updateHint; /* Frequent, Intermittent, Static */
74fe172698ba936102e120dae998c9ebd09cfbdfvboxsync short x, y; /* for static gravity */
74fe172698ba936102e120dae998c9ebd09cfbdfvboxsync unsigned short width, height; /* last known window size */
74fe172698ba936102e120dae998c9ebd09cfbdfvboxsync * per-screen data
74fe172698ba936102e120dae998c9ebd09cfbdfvboxsync ((mbufScreenPtr)((pScreen)->devPrivates[MultibufferScreenIndex].ptr))
74fe172698ba936102e120dae998c9ebd09cfbdfvboxsync long mbufWindowCount; /* count of multibuffered windows */
74fe172698ba936102e120dae998c9ebd09cfbdfvboxsync /* Wrap pScreen->DestroyWindow */
74fe172698ba936102e120dae998c9ebd09cfbdfvboxsync long funcsWrapped; /* flags which functions are wrapped */
74fe172698ba936102e120dae998c9ebd09cfbdfvboxsync /* Initialized by device-dependent section */
74fe172698ba936102e120dae998c9ebd09cfbdfvboxsync xMbufBufferInfo *pInfo; /* buffer info (for Normal buffers) */
74fe172698ba936102e120dae998c9ebd09cfbdfvboxsync int /* nbuf */,
74fe172698ba936102e120dae998c9ebd09cfbdfvboxsync int /* action */,
74fe172698ba936102e120dae998c9ebd09cfbdfvboxsync int /* hint */
74fe172698ba936102e120dae998c9ebd09cfbdfvboxsync int /* nbuf */
74fe172698ba936102e120dae998c9ebd09cfbdfvboxsync short /* x */,
74fe172698ba936102e120dae998c9ebd09cfbdfvboxsync short /* y */,
74fe172698ba936102e120dae998c9ebd09cfbdfvboxsync unsigned short /* width */,
74fe172698ba936102e120dae998c9ebd09cfbdfvboxsync unsigned short /* height */,
74fe172698ba936102e120dae998c9ebd09cfbdfvboxsync Bool (* ChangeMBufferAttributes)( /* pMBWindow, vmask */
74fe172698ba936102e120dae998c9ebd09cfbdfvboxsync /* FIXME */
74fe172698ba936102e120dae998c9ebd09cfbdfvboxsync Bool (* ChangeBufferAttributes)( /* pMBBuffer, vmask */
74fe172698ba936102e120dae998c9ebd09cfbdfvboxsync /* FIXME */
74fe172698ba936102e120dae998c9ebd09cfbdfvboxsync/* Privates to mbufScreenRec */
74fe172698ba936102e120dae998c9ebd09cfbdfvboxsync ((mbufPixmapPrivPtr) MB_SCREEN_PRIV((pScreen))->devPrivate.ptr)
74fe172698ba936102e120dae998c9ebd09cfbdfvboxsync /* Pointers to wrapped functions */
74fe172698ba936102e120dae998c9ebd09cfbdfvboxsync PositionWindowProcPtr PositionWindow; /* pWin, x,y */
74fe172698ba936102e120dae998c9ebd09cfbdfvboxsync long funcsWrapped; /* flags which functions are wrapped */
74fe172698ba936102e120dae998c9ebd09cfbdfvboxsync#endif /* _MULTIBUF_PIXMAP_ */
74fe172698ba936102e120dae998c9ebd09cfbdfvboxsync ((mbufBufferPrivPtr) MB_SCREEN_PRIV((pScreen))->devPrivate.ptr)
74fe172698ba936102e120dae998c9ebd09cfbdfvboxsync DevUnion *frameBuffer; /* Array of screen framebuffers */
74fe172698ba936102e120dae998c9ebd09cfbdfvboxsync DevUnion selectPlane; /* Plane(s) that select displayed buffer */
74fe172698ba936102e120dae998c9ebd09cfbdfvboxsync * Note: subtractRgn and unionRgn may overlap. subtractRgn is a union
74fe172698ba936102e120dae998c9ebd09cfbdfvboxsync * of all the old clipLists of the windows that are displaying
74fe172698ba936102e120dae998c9ebd09cfbdfvboxsync * the backbuffer. unionRgn is the union of all the new clipLists
74fe172698ba936102e120dae998c9ebd09cfbdfvboxsync * of the same windows.
74fe172698ba936102e120dae998c9ebd09cfbdfvboxsync RegionRec backBuffer; /* Area of screen displaying back buffer */
74fe172698ba936102e120dae998c9ebd09cfbdfvboxsync RegionRec subtractRgn; /* Regions lost to backBuffer */
74fe172698ba936102e120dae998c9ebd09cfbdfvboxsync RegionRec unionRgn; /* Regions gained by backBuffer */
74fe172698ba936102e120dae998c9ebd09cfbdfvboxsync Bool rgnChanged; /* TRUE if "backBuffer" needs to be updated */
74fe172698ba936102e120dae998c9ebd09cfbdfvboxsync void (* CopyBufferBits)(); /* pMBWindow, srcBufferNum, dstBufferNum */
74fe172698ba936102e120dae998c9ebd09cfbdfvboxsync void (* DrawSelectPlane)(); /* pScreen, selectPlane, pRegion, bufferNum */
74fe172698ba936102e120dae998c9ebd09cfbdfvboxsync /* Pointers to wrapped functions */
74fe172698ba936102e120dae998c9ebd09cfbdfvboxsync PostValidateTreeProcPtr PostValidateTree; /* pParent, pChild, kind */
74fe172698ba936102e120dae998c9ebd09cfbdfvboxsync WindowExposuresProcPtr WindowExposures; /* pWin, pRegion */
74fe172698ba936102e120dae998c9ebd09cfbdfvboxsync CopyWindowProcPtr CopyWindow; /* pWin, oldPt, pOldRegion */
74fe172698ba936102e120dae998c9ebd09cfbdfvboxsync ClearToBackgroundProcPtr ClearToBackground; /* pWin, x,y,w,h, sendExpose */
74fe172698ba936102e120dae998c9ebd09cfbdfvboxsync ChangeWindowAttributesProcPtr ChangeWindowAttributes; /* pWin, vmask */
74fe172698ba936102e120dae998c9ebd09cfbdfvboxsync long funcsWrapped; /* flags which functions are wrapped */
74fe172698ba936102e120dae998c9ebd09cfbdfvboxsync unsigned inClearToBackground:1; /* used by WindowExposure */
74fe172698ba936102e120dae998c9ebd09cfbdfvboxsync#endif /* _MULTIBUF_BUFFER_ */
74fe172698ba936102e120dae998c9ebd09cfbdfvboxsync#endif /* _MULTIBUF_SERVER_ */
74fe172698ba936102e120dae998c9ebd09cfbdfvboxsync#endif /* _MULTIBUFST_H_ */