Viewing file:  multibufst.h (18.86 KB) -r--r--r--
Select action/file-type:
 (+) |  (+) |  (+) | Code (+) | Session (+) |  (+) | SDB (+) |  (+) |  (+) |  (+) |  (+) |  (+) |
/*
* $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.
*/
/* $XFree86: xc/include/extensions/multibufst.h,v 3.8 2001/12/19 21:37:29 dawes Exp $ */
#ifndef _MULTIBUFST_H_
#define _MULTIBUFST_H_
/*
* Protocol requests constants and alignment values
*/
#include "multibuf.h"
#ifdef _MULTIBUF_SERVER_
#include "inputstr.h"
#endif
#if !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 xMbufBufferInfo {
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;
#if defined(__cplusplus) || defined(c_plusplus)
CARD16 c_class B16;
#else
CARD16 class B16;
#endif
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(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
/* The _Multibuffer and _Multibuffers structures below refer to each other,
* so we need this forward declaration
*/
typedef struct _Multibuffers *MultibuffersPtr;
/*
* per-Multibuffer data
*/
typedef struct _Multibuffer {
MultibuffersPtr pMultibuffers; /* associated window data */
Mask eventMask; /* MultibufferClobberNotifyMask|ExposureMask|MultibufferUpdateNotifyMask */
Mask otherEventMask; /* mask of all other clients event masks */
OtherClients *otherClients; /* other clients that want events */
int number; /* index of this buffer into array */
int side; /* always Mono */
int clobber; /* Unclobbered, PartiallyClobbered, FullClobbered */
PixmapPtr pPixmap; /* associated pixmap */
} MultibufferRec, *MultibufferPtr;
/*
* per-window data
*/
typedef struct _Multibuffers {
WindowPtr pWindow; /* associated window */
int numMultibuffer; /* count of buffers */
int refcnt; /* ref count for delete */
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 */
unsigned short width, height; /* last known window size */
short x, y; /* for static gravity */
MultibufferPtr buffers; /* array of numMultibuffer buffers */
} MultibuffersRec;
/*
* per-screen data
*/
typedef struct _MultibufferScreen {
PositionWindowProcPtr PositionWindow; /* pWin, x,y */
} MultibufferScreenRec, *MultibufferScreenPtr;
/*
* per display-image-buffers request data.
*/
typedef struct _DisplayRequest {
struct _DisplayRequest *next;
TimeStamp activateTime;
ClientPtr pClient;
XID id;
} DisplayRequestRec, *DisplayRequestPtr;
#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 */
#if NeedFunctionPrototypes
MultibufferPtr /* pMultibuffer */,
CARD32 /* time */
#endif
);
extern void MultibufferExpose( /* pMbuffer, pRegion */
#if NeedFunctionPrototypes
MultibufferPtr /* pMultibuffer */,
RegionPtr /* pRegion */
#endif
);
extern void MultibufferClobber( /* pMbuffer */
#if NeedFunctionPrototypes
MultibufferPtr /* pMultibuffer */
#endif
);
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 */
DestroyWindowProcPtr DestroyWindow;
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)(
#if NeedNestedPrototypes
WindowPtr /* pWin */,
int /* nbuf */,
XID * /* ids */,
int /* action */,
int /* hint */
#endif
);
void (* DestroyImageBuffers)(
#if NeedNestedPrototypes
WindowPtr /* pWin */
#endif
);
void (* DisplayImageBuffers)(
#if NeedNestedPrototypes
ScreenPtr /* pScreen */,
mbufBufferPtr * /* ppMBBuffer */,
mbufWindowPtr * /* ppMBWindow */,
int /* nbuf */
#endif
);
void (* ClearImageBufferArea)(
#if NeedNestedPrototypes
mbufBufferPtr /* pMBBuffer */,
short /* x */,
short /* y */,
unsigned short /* width */,
unsigned short /* height */,
Bool /* exposures */
#endif
);
Bool (* ChangeMBufferAttributes)( /* pMBWindow, vmask */
#if NeedNestedPrototypes
/* FIXME */
#endif
);
Bool (* ChangeBufferAttributes)( /* pMBBuffer, vmask */
#if NeedNestedPrototypes
/* FIXME */
#endif
);
void (* DeleteBufferDrawable)(
#if NeedNestedPrototypes
DrawablePtr /* pDrawable */
#endif
);
void (* WrapScreenFuncs)(
#if NeedNestedPrototypes
ScreenPtr /* pScreen */
#endif
);
void (* ResetProc)(
#if NeedNestedPrototypes
ScreenPtr /* pScreen */
#endif
);
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_ */
|