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Diffstat (limited to 'multibufst.h')
| -rw-r--r-- | multibufst.h | 507 |
1 files changed, 507 insertions, 0 deletions
diff --git a/multibufst.h b/multibufst.h new file mode 100644 index 0000000..50d3436 --- /dev/null +++ b/multibufst.h @@ -0,0 +1,507 @@ +/* + * $Xorg: multibufst.h,v 1.4 2001/02/09 02:03:24 xorgcvs Exp $ + * +Copyright 1989, 1998 The Open Group + +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. + +The above copyright notice and this permission notice shall be included in +all copies or substantial portions of the Software. + +THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR +IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, +FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE +OPEN GROUP BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN +AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN +CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + +Except as contained in this notice, the name of The Open Group shall not be +used in advertising or otherwise to promote the sale, use or other dealings +in this Software without prior written authorization from The Open Group. + */ + +#ifndef _MULTIBUFST_H_ +#define _MULTIBUFST_H_ + +/* + * Protocol requests constants and alignment values + */ + +#include "multibuf.h" +#ifdef _MULTIBUF_SERVER_ +#include "input.h" +#endif + +#if (defined(__STDC__) && !defined(UNIXCPP)) || defined(ANSICPP) +#define MbufGetReq(name,req,info) GetReq (name, req); \ + req->reqType = info->codes->major_opcode; \ + req->mbufReqType = X_##name; +#else +#define MbufGetReq(name,req,info) GetReq (name, req); \ + req->reqType = info->codes->major_opcode; \ + req->mbufReqType = X_/**/name; +#endif + +#define Window CARD32 +#define Drawable CARD32 +#define VisualID CARD32 +#define Multibuffer CARD32 + +typedef struct { + CARD32 visualID B32; /* associated visual */ + CARD16 maxBuffers B16; /* maximum supported buffers */ + CARD8 depth; /* depth of visual (redundant) */ + CARD8 unused; +} xMbufBufferInfo; +#define sz_xMbufBufferInfo 8 + +typedef struct { + BYTE type; + BYTE unused; + CARD16 sequenceNumber B16; + CARD32 buffer B32; /* affected buffer */ + BYTE state; /* current status */ + CARD8 unused1; + CARD16 unused2 B16; + CARD32 unused3 B32; + CARD32 unused4 B32; + CARD32 unused5 B32; + CARD32 unused6 B32; + CARD32 unused7 B32; +} xMbufClobberNotifyEvent; + +typedef struct { + BYTE type; + BYTE unused; + CARD16 sequenceNumber B16; + CARD32 buffer B32; /* affected buffer */ + CARD32 timeStamp B32; /* update time */ + CARD32 unused1 B32; + CARD32 unused2 B32; + CARD32 unused3 B32; + CARD32 unused4 B32; + CARD32 unused5 B32; + CARD32 unused6 B32; +} xMbufUpdateNotifyEvent; + +typedef struct { + CARD8 reqType; /* always codes->major_opcode */ + CARD8 mbufReqType; /* always X_MbufGetBufferVersion */ + CARD16 length B16; +} xMbufGetBufferVersionReq; +#define sz_xMbufGetBufferVersionReq 4 + +typedef struct { + BYTE type; /* X_Reply */ + CARD8 unused; /* not used */ + CARD16 sequenceNumber B16; + CARD32 length B32; + CARD8 majorVersion; /* major version of Multi-Buffering protocol */ + CARD8 minorVersion; /* minor version of Multi-Buffering protocol */ + CARD16 pad1 B16; + CARD32 pad2 B32; + CARD32 pad3 B32; + CARD32 pad4 B32; + CARD32 pad5 B32; + CARD32 pad6 B32; +} xMbufGetBufferVersionReply; +#define sz_xMbufGetBufferVersionReply 32 + +typedef struct { + CARD8 reqType; /* always codes->major_opcode */ + CARD8 mbufReqType; /* always X_MbufCreateImageBuffers */ + CARD16 length B16; + CARD32 window B32; /* associated window */ + CARD8 updateAction; /* action at update */ + CARD8 updateHint; /* hint as to frequency of updates */ + CARD16 unused; +} xMbufCreateImageBuffersReq; /* followed by buffer ids */ +#define sz_xMbufCreateImageBuffersReq 12 + +typedef struct { + BYTE type; /* X_Reply */ + CARD8 unused; /* not used */ + CARD16 sequenceNumber B16; + CARD32 length B32; + CARD16 numberBuffer B16; /* number successfully allocated */ + CARD16 unused1 B16; + CARD32 unused2 B32; + CARD32 unused3 B32; + CARD32 unused4 B32; + CARD32 unused5 B32; + CARD32 unused6 B32; +} xMbufCreateImageBuffersReply; +#define sz_xMbufCreateImageBuffersReply 32 + +typedef struct { + CARD8 reqType; /* always codes->major_opcode */ + CARD8 mbufReqType; /* always X_MbufDestroyImageBuffers */ + CARD16 length B16; + CARD32 window B32; /* associated window */ +} xMbufDestroyImageBuffersReq; +#define sz_xMbufDestroyImageBuffersReq 8 + +typedef struct { + CARD8 reqType; /* always codes->major_opcode */ + CARD8 mbufReqType; /* always X_MbufDisplayImageBuffers */ + CARD16 length B16; + CARD16 minDelay B16; /* minimum time between last update and now */ + CARD16 maxDelay B16; /* maximum time between last update and now */ +} xMbufDisplayImageBuffersReq; /* followed by list of buffers */ +#define sz_xMbufDisplayImageBuffersReq 8 + +typedef struct { + CARD8 reqType; /* always codes->major_opcode */ + CARD8 mbufReqType; /* always X_MbufSetMBufferAttributes */ + CARD16 length B16; + CARD32 window B32; /* associated window */ + CARD32 valueMask B32; /* modified entries */ +} xMbufSetMBufferAttributesReq; /* followed by values */ +#define sz_xMbufSetMBufferAttributesReq 12 + +typedef struct { + CARD8 reqType; /* always codes->major_opcode */ + CARD8 mbufReqType; /* always X_MbufGetMBufferAttributes */ + CARD16 length B16; + CARD32 window B32; /* associated window */ +} xMbufGetMBufferAttributesReq; +#define sz_xMbufGetMBufferAttributesReq 8 + +typedef struct { + BYTE type; /* X_Reply */ + CARD8 unused; /* not used */ + CARD16 sequenceNumber B16; + CARD32 length B32; + CARD16 displayedBuffer B16; /* currently visible buffer */ + CARD8 updateAction; + CARD8 updateHint; + CARD8 windowMode; + CARD8 unused0; + CARD16 unused1 B16; + CARD32 unused2 B32; + CARD32 unused3 B32; + CARD32 unused4 B32; + CARD32 unused5 B32; +} xMbufGetMBufferAttributesReply; +#define sz_xMbufGetMBufferAttributesReply 32 + +typedef struct { + CARD8 reqType; /* always codes->major_opcode */ + CARD8 mbufReqType; /* always X_MbufSetBufferAttributes */ + CARD16 length B16; + CARD32 buffer B32; + CARD32 valueMask B32; +} xMbufSetBufferAttributesReq; /* followed by values */ +#define sz_xMbufSetBufferAttributesReq 12 + +typedef struct { + CARD8 reqType; /* always codes->major_opcode */ + CARD8 mbufReqType; /* always X_MbufGetBufferAttributes */ + CARD16 length B16; + CARD32 buffer B32; +} xMbufGetBufferAttributesReq; +#define sz_xMbufGetBufferAttributesReq 8 + +typedef struct { + BYTE type; /* X_Reply */ + CARD8 unused; /* not used */ + CARD16 sequenceNumber B16; + CARD32 length B32; + CARD32 window B32; + CARD32 eventMask B32; + CARD16 bufferIndex B16; + CARD8 side; + CARD8 unused0; + CARD32 unused1 B32; + CARD32 unused2 B32; + CARD32 unused3 B32; +} xMbufGetBufferAttributesReply; +#define sz_xMbufGetBufferAttributesReply 32 + +typedef struct { + CARD8 reqType; /* always codes->major_opcode */ + CARD8 mbufReqType; /* always X_MbufGetBufferInfo */ + CARD16 length B16; + Drawable drawable B32; +} xMbufGetBufferInfoReq; +#define sz_xMbufGetBufferInfoReq 8 + +typedef struct { + BYTE type; /* X_Reply */ + CARD8 unused; /* not used */ + CARD16 sequenceNumber B16; + CARD32 length B32; + CARD16 normalInfo B16; + CARD16 stereoInfo B16; + CARD32 unused1 B32; + CARD32 unused2 B32; + CARD32 unused3 B32; + CARD32 unused4 B32; + CARD32 unused5 B32; +} xMbufGetBufferInfoReply; /* followed by buffer infos */ +#define sz_xMbufGetBufferInfoReply 32 + + +typedef struct { + CARD8 reqType; /* always codes->major_opcode */ + CARD8 mbufReqType; /* always X_MbufCreateStereoWindow */ + CARD16 length B16; + CARD8 unused0; + CARD8 unused1; + CARD8 unused2; + CARD8 depth; + Window wid B32; + Window parent B32; + Multibuffer left B32; /* associated buffers */ + Multibuffer right B32; + INT16 x B16; + INT16 y B16; + CARD16 width B16; + CARD16 height B16; + CARD16 borderWidth B16; + CARD16 class B16; + VisualID visual B32; + CARD32 mask B32; +} xMbufCreateStereoWindowReq; /* followed by value list */ +#define sz_xMbufCreateStereoWindowReq 44 + +typedef struct { + CARD8 reqType; /* always codes->major_opcode */ + CARD8 mbufReqType; /* always X_MbufClearImageBufferArea */ + CARD16 length B16; + Multibuffer buffer B32; + INT16 x B16; + INT16 y B16; + CARD16 width B16; + CARD16 height B16; + CARD8 unused0; + CARD8 unused1; + CARD8 unused2; + BOOL exposures; +} xMbufClearImageBufferAreaReq; +#define sz_xMbufClearImageBufferAreaReq 20 + +#undef Window +#undef Drawable +#undef VisualID +#undef Multibuffer + + +#ifdef _MULTIBUF_SERVER_ +/* Macros for wrapping and unwrapping functions */ + +#define SWAP_FUNC_VECTOR(pSTRUCT1,pSTRUCT2,DATA_TYPE,FUNC_NAME) \ +{ \ + DATA_TYPE (* tmpFn)(); \ + \ + tmpFn = pSTRUCT1->FUNC_NAME; \ + pSTRUCT1->FUNC_NAME = pSTRUCT2->FUNC_NAME; \ + pSTRUCT2->FUNC_NAME = tmpFn; \ +} + +#if (defined(__STDC__) && !defined(UNIXCPP)) || defined(ANSICPP) +#define WRAP_SCREEN_FUNC(pSCREEN,pPRIV,FUNC_NAME, PRIV_FUNC_NAME) \ +{ \ + if ((pPRIV->funcsWrapped & FUNC_NAME##Mask) == 0) \ + { \ + pPRIV->FUNC_NAME = pSCREEN->FUNC_NAME; \ + pSCREEN->FUNC_NAME = PRIV_FUNC_NAME; \ + pPRIV->funcsWrapped |= FUNC_NAME##Mask; \ + } \ +} + +#define UNWRAP_SCREEN_FUNC(pSCREEN,pPRIV,DATA_TYPE,FUNC_NAME) \ +{ \ + SWAP_FUNC_VECTOR(pSCREEN,pPRIV,DATA_TYPE,FUNC_NAME); \ + pPRIV->funcsWrapped &= ~(FUNC_NAME##Mask); \ +} + +#define REWRAP_SCREEN_FUNC(pSCREEN,pPRIV,DATA_TYPE,FUNC_NAME) \ +{ \ + if (MB_SCREEN_PRIV(pSCREEN)->mbufWindowCount) \ + { \ + SWAP_FUNC_VECTOR(pSCREEN,pPRIV,DATA_TYPE,FUNC_NAME); \ + pPRIV->funcsWrapped |= FUNC_NAME##Mask; \ + } \ +} +#else +#define WRAP_SCREEN_FUNC(pSCREEN,pPRIV,FUNC_NAME, PRIV_FUNC_NAME) \ +{ \ + if ((pPRIV->funcsWrapped & FUNC_NAME/**/Mask) == 0) \ + { \ + pPRIV->FUNC_NAME = pSCREEN->FUNC_NAME; \ + pSCREEN->FUNC_NAME = PRIV_FUNC_NAME; \ + pPRIV->funcsWrapped |= FUNC_NAME/**/Mask; \ + } \ +} + +#define UNWRAP_SCREEN_FUNC(pSCREEN,pPRIV,DATA_TYPE,FUNC_NAME) \ +{ \ + SWAP_FUNC_VECTOR(pSCREEN,pPRIV,DATA_TYPE,FUNC_NAME); \ + pPRIV->funcsWrapped &= ~(FUNC_NAME/**/Mask); \ +} + +#define REWRAP_SCREEN_FUNC(pSCREEN,pPRIV,DATA_TYPE,FUNC_NAME) \ +{ \ + if (MB_SCREEN_PRIV(pSCREEN)->mbufWindowCount) \ + { \ + SWAP_FUNC_VECTOR(pSCREEN,pPRIV,DATA_TYPE,FUNC_NAME); \ + pPRIV->funcsWrapped |= FUNC_NAME/**/Mask; \ + } \ +} +#endif + + +#define DestroyWindowMask (1L<<0) +#define PositionWindowMask (1L<<1) +#define PostValidateTreeMask (1L<<2) +#define ClipNotifyMask (1L<<3) +#define WindowExposuresMask (1L<<4) +#define CopyWindowMask (1L<<5) +#define ClearToBackgroundMask (1L<<6) +#define ChangeWindowAttributesMask (1L<<7) + +extern int MultibufferScreenIndex; +extern int MultibufferWindowIndex; + +extern RESTYPE MultibufferDrawableResType; + +extern void MultibufferUpdate(); /* pMbuffer, time */ +extern void MultibufferExpose(); /* pMbuffer, pRegion */ +extern void MultibufferClobber(); /* pMbuffer */ + +typedef struct _mbufWindow *mbufWindowPtr; + +/* + * per-buffer data + */ + +#define MB_DISPLAYED_BUFFER(pMBWindow) \ + ((pMBWindow)->buffers + (pMBWindow)->displayedMultibuffer) + +typedef struct _mbufBuffer { + mbufWindowPtr pMBWindow; /* associated window data */ + Mask eventMask; /* client event mask */ + Mask otherEventMask; /* union of other clients' event masks */ + OtherClientsPtr otherClients; /* other clients that want events */ + int number; /* index of this buffer into array */ + int side; /* stero side: always Mono */ + int clobber; /* clober state */ + DrawablePtr pDrawable; /* associated drawable */ +} mbufBufferRec, *mbufBufferPtr; + + +/* + * per-window data + */ + +#define MB_WINDOW_PRIV(pWin) \ + ((mbufWindowPtr)((pWin)->devPrivates[MultibufferWindowIndex].ptr)) + +typedef struct _mbufWindow { + WindowPtr pWindow; /* associated window */ + int numMultibuffer; /* count of buffers */ + mbufBufferPtr buffers; /* array of (numMultibuffer) buffers */ + int displayedMultibuffer; /* currently active buffer */ + int updateAction; /* Undefined, Background, + Untouched, Copied */ + int updateHint; /* Frequent, Intermittent, Static */ + int windowMode; /* always Mono */ + TimeStamp lastUpdate; /* time of last update */ + short x, y; /* for static gravity */ + unsigned short width, height; /* last known window size */ + DevUnion devPrivate; +} mbufWindowRec; + + +/* + * per-screen data + */ + +#define MB_SCREEN_PRIV(pScreen) \ + ((mbufScreenPtr)((pScreen)->devPrivates[MultibufferScreenIndex].ptr)) + +typedef struct _mbufScreen { + long mbufWindowCount; /* count of multibuffered windows */ + + /* Wrap pScreen->DestroyWindow */ + Bool (* DestroyWindow)(); /* pWin */ + long funcsWrapped; /* flags which functions are wrapped */ + + /* Initialized by device-dependent section */ + int nInfo; /* number of buffer info rec's */ + xMbufBufferInfo *pInfo; /* buffer info (for Normal buffers) */ + + int (* CreateImageBuffers)(); /* pWin, nbuf, ids, action, hint */ + void (* DestroyImageBuffers)(); /* pWin */ + void (* DisplayImageBuffers)(); /* pScrn, ppMBWin, ppMBBuffer, nbuf */ + void (* ClearImageBufferArea)(); /* pMBBuffer, x,y, w,h, exposures */ + Bool (* ChangeMBufferAttributes)(); /* pMBWindow, vmask */ + Bool (* ChangeBufferAttributes)(); /* pMBBuffer, vmask */ + void (* DeleteBufferDrawable)(); /* pDrawable */ + void (* WrapScreenFuncs)(); /* pScreen */ + void (* ResetProc)(); /* pScreen */ + DevUnion devPrivate; +} mbufScreenRec, *mbufScreenPtr; + + +/* Privates to mbufScreenRec */ + +#ifdef _MULTIBUF_PIXMAP_ +#define MB_SCREEN_PRIV_PIXMAP(pScreen) \ + ((mbufPixmapPrivPtr) MB_SCREEN_PRIV((pScreen))->devPrivate.ptr) + +typedef struct _mbufPixmapPriv +{ + /* Pointers to wrapped functions */ + PositionWindowProcPtr PositionWindow; /* pWin, x,y */ + long funcsWrapped; /* flags which functions are wrapped */ +} mbufPixmapPrivRec, *mbufPixmapPrivPtr; +#endif /* _MULTIBUF_PIXMAP_ */ + + +#ifdef _MULTIBUF_BUFFER_ + +extern int frameWindowPrivateIndex; + +#define MB_SCREEN_PRIV_BUFFER(pScreen) \ + ((mbufBufferPrivPtr) MB_SCREEN_PRIV((pScreen))->devPrivate.ptr) + +typedef struct _mbufBufferPriv +{ + DevUnion *frameBuffer; /* Array of screen framebuffers */ + DevUnion selectPlane; /* Plane(s) that select displayed buffer */ + + /* + * Note: subtractRgn and unionRgn may overlap. subtractRgn is a union + * of all the old clipLists of the windows that are displaying + * the backbuffer. unionRgn is the union of all the new clipLists + * of the same windows. + */ + + RegionRec backBuffer; /* Area of screen displaying back buffer */ + RegionRec subtractRgn; /* Regions lost to backBuffer */ + RegionRec unionRgn; /* Regions gained by backBuffer */ + Bool rgnChanged; /* TRUE if "backBuffer" needs to be updated */ + + void (* CopyBufferBits)(); /* pMBWindow, srcBufferNum, dstBufferNum */ + void (* DrawSelectPlane)(); /* pScreen, selectPlane, pRegion, bufferNum */ + + /* Pointers to wrapped functions */ + PostValidateTreeProcPtr PostValidateTree; /* pParent, pChild, kind */ + ClipNotifyProcPtr ClipNotify; /* pWin, dx, dy */ + WindowExposuresProcPtr WindowExposures; /* pWin, pRegion */ + CopyWindowProcPtr CopyWindow; /* pWin, oldPt, pOldRegion */ + ClearToBackgroundProcPtr ClearToBackground; /* pWin, x,y,w,h, sendExpose */ + ChangeWindowAttributesProcPtr ChangeWindowAttributes; /* pWin, vmask */ + long funcsWrapped; /* flags which functions are wrapped */ + unsigned inClearToBackground:1; /* used by WindowExposure */ +} mbufBufferPrivRec, *mbufBufferPrivPtr; +#endif /* _MULTIBUF_BUFFER_ */ + +#endif /* _MULTIBUF_SERVER_ */ +#endif /* _MULTIBUFST_H_ */ |