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authorTiago Vignatti <tiago.vignatti@nokia.com>2010-03-30 16:10:36 (GMT)
committerTiago Vignatti <tiago.vignatti@nokia.com>2010-04-21 15:06:35 (GMT)
commit0ba82562eeba8bf3bcd00b6e3ff28ce5b2c8df3c (patch)
tree4e55b0a349d8004ffb82c274d75776d1a3aaaeee
parentb3ab978df861c08298f57529e3db980489055c35 (diff)
Death to Multibuffer extension
The rationale behind is because no sane application will use this when we have modern APIs such DRI2. Besides, as a fact, xfree86 server has already deprecated this extension in 1998: http://www.xfree86.org/3.3.6/isc7.html Signed-off-by: Tiago Vignatti <tiago.vignatti@nokia.com> Reviewed-by: Keith Packard <keithp@keithp.com>
-rw-r--r--Xext/Makefile.am9
-rw-r--r--Xext/mbuf.c2014
-rw-r--r--Xext/mbufbf.c1007
-rw-r--r--Xext/mbufpx.c648
-rw-r--r--Xext/sync.c2
-rw-r--r--Xext/xtest.c3
-rw-r--r--configure.ac7
-rw-r--r--hw/xfree86/dixmods/extmod/modinit.c9
-rw-r--r--hw/xfree86/dixmods/extmod/modinit.h5
-rw-r--r--include/dix-config.h.in3
-rw-r--r--include/globals.h4
-rw-r--r--mi/miinitext.c13
-rw-r--r--os/utils.c3
13 files changed, 3 insertions, 3724 deletions
diff --git a/Xext/Makefile.am b/Xext/Makefile.am
index 53cbc1f..fa007aa 100644
--- a/Xext/Makefile.am
+++ b/Xext/Makefile.am
@@ -99,13 +99,6 @@ BUILTIN_SRCS += $(XCALIBRATE_SRCS)
# XCalibrate needs tslib
endif
-# Multi-buffering extension
-MULTIBUFFER_SRCS = mbuf.c
-EXTRA_MULTIBUFFER_SRCS = mbufbf.c mbufpx.c
-if MULTIBUFFER
-MODULE_SRCS += $(MULTIBUFFER_SRCS)
-endif
-
# XF86 Big Font extension
BIGFONT_SRCS = xf86bigfont.c xf86bigfontsrv.h
if XF86BIGFONT
@@ -140,8 +133,6 @@ EXTRA_DIST = \
$(XSELINUX_SRCS) \
$(XCALIBRATE_SRCS) \
$(XINERAMA_SRCS) \
- $(MULTIBUFFER_SRCS) \
- $(EXTRA_MULTIBUFFER_SRCS) \
$(FONTCACHE_SRCS) \
$(BIGFONT_SRCS) \
$(DPMS_SRCS) \
diff --git a/Xext/mbuf.c b/Xext/mbuf.c
deleted file mode 100644
index aacb9cf..0000000
--- a/Xext/mbuf.c
+++ /dev/null
@@ -1,2014 +0,0 @@
-/************************************************************
-
-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.
-
-********************************************************/
-
-#ifdef HAVE_DIX_CONFIG_H
-#include <dix-config.h>
-#endif
-
-#include <X11/X.h>
-#include <X11/Xproto.h>
-#include "window.h"
-#include "os.h"
-#include "windowstr.h"
-#include "scrnintstr.h"
-#include "pixmapstr.h"
-#include "gcstruct.h"
-#include "extnsionst.h"
-#include "dixstruct.h"
-#include "resource.h"
-#include "opaque.h"
-#include "sleepuntil.h"
-#include "inputstr.h"
-#include <X11/extensions/multibufconst.h>
-#include <X11/extensions/multibufproto.h>
-
-#include <stdio.h>
-#if !defined(WIN32)
-#include <sys/time.h>
-#endif
-
-/* given an OtherClientPtr obj, get the ClientPtr */
-#define rClient(obj) (clients[CLIENT_ID((obj)->resource)])
-
-/* given a MultibufferPtr b, get the ClientPtr */
-#define bClient(b) (clients[CLIENT_ID(b->pPixmap->drawable.id)])
-
-#define ValidEventMasks (ExposureMask|MultibufferClobberNotifyMask|MultibufferUpdateNotifyMask)
-
-/* 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 */
- MultibufferPtr /* pMultibuffer */,
- CARD32 /* time */
- );
-extern void MultibufferExpose( /* pMbuffer, pRegion */
- MultibufferPtr /* pMultibuffer */,
- RegionPtr /* pRegion */
- );
-extern void MultibufferClobber( /* pMbuffer */
- MultibufferPtr /* pMultibuffer */
- );
-
-typedef struct _mbufWindow *mbufWindowPtr;
-
-void DestroyImageBuffers (WindowPtr pWin);
-
-/*
- * 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)(
- WindowPtr /* pWin */,
- int /* nbuf */,
- XID * /* ids */,
- int /* action */,
- int /* hint */
- );
- void (* DestroyImageBuffers)(
- WindowPtr /* pWin */
- );
- void (* DisplayImageBuffers)(
- ScreenPtr /* pScreen */,
- mbufBufferPtr * /* ppMBBuffer */,
- mbufWindowPtr * /* ppMBWindow */,
- int /* nbuf */
- );
- void (* ClearImageBufferArea)(
- mbufBufferPtr /* pMBBuffer */,
- short /* x */,
- short /* y */,
- unsigned short /* width */,
- unsigned short /* height */,
- Bool /* exposures */
- );
- Bool (* ChangeMBufferAttributes)( /* pMBWindow, vmask */
- /* FIXME */
- );
- Bool (* ChangeBufferAttributes)( /* pMBBuffer, vmask */
- /* FIXME */
- );
- void (* DeleteBufferDrawable)(
- DrawablePtr /* pDrawable */
- );
- void (* WrapScreenFuncs)(
- ScreenPtr /* pScreen */
- );
- void (* ResetProc)(
- ScreenPtr /* 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_ */
-
-static int MultibufferEventBase;
-static int MultibufferErrorBase;
-static int MultibufferScreenPrivKeyIndex;
-static DevPrivateKey MultibufferScreenPrivKey = &MultibufferScreenPrivKeyIndex;
-static int MultibufferWindowPrivKeyIndex;
-static DevPrivateKey MultibufferWindowPrivKey = &MultibufferWindowPrivKeyIndex;
-
-static void PerformDisplayRequest (
- MultibuffersPtr * /* ppMultibuffers */,
- MultibufferPtr * /* pMultibuffer */,
- int /* nbuf */
- );
-static Bool QueueDisplayRequest (
- ClientPtr /* client */,
- TimeStamp /* activateTime */
- );
-
-static void BumpTimeStamp (
- TimeStamp * /* ts */,
- CARD32 /* inc */
- );
-
-static void AliasMultibuffer (
- MultibuffersPtr /* pMultibuffers */,
- int /* i */
- );
-static void RecalculateMultibufferOtherEvents (
- MultibufferPtr /* pMultibuffer */
- );
-static int EventSelectForMultibuffer(
- MultibufferPtr /* pMultibuffer */,
- ClientPtr /* client */,
- Mask /* mask */
- );
-
-/*
- * The Pixmap associated with a buffer can be found as a resource
- * with this type
- */
-RESTYPE MultibufferDrawableResType;
-static int MultibufferDrawableDelete (
- pointer /* value */,
- XID /* id */
- );
-/*
- * The per-buffer data can be found as a resource with this type.
- * the resource id of the per-buffer data is the same as the resource
- * id of the pixmap
- */
-static RESTYPE MultibufferResType;
-static int MultibufferDelete (
- pointer /* value */,
- XID /* id */
- );
-
-/*
- * The per-window data can be found as a resource with this type,
- * using the window resource id
- */
-static RESTYPE MultibuffersResType;
-static int MultibuffersDelete (
- pointer /* value */,
- XID /* id */
- );
-
-/*
- * Clients other than the buffer creator attach event masks in
- * OtherClient structures; each has a resource of this type.
- */
-static RESTYPE OtherClientResType;
-static int OtherClientDelete (
- pointer /* value */,
- XID /* id */
- );
-
-/****************
- * MultibufferExtensionInit
- *
- * Called from InitExtensions in main()
- *
- ****************/
-
-extern DISPATCH_PROC(ProcGetBufferAttributes);
-
-static DISPATCH_PROC(ProcClearImageBufferArea);
-static DISPATCH_PROC(ProcCreateImageBuffers);
-static DISPATCH_PROC(ProcDestroyImageBuffers);
-static DISPATCH_PROC(ProcDisplayImageBuffers);
-static DISPATCH_PROC(ProcGetBufferInfo);
-static DISPATCH_PROC(ProcGetBufferVersion);
-static DISPATCH_PROC(ProcGetMBufferAttributes);
-static DISPATCH_PROC(ProcMultibufferDispatch);
-static DISPATCH_PROC(ProcSetBufferAttributes);
-static DISPATCH_PROC(ProcSetMBufferAttributes);
-static DISPATCH_PROC(SProcClearImageBufferArea);
-static DISPATCH_PROC(SProcCreateImageBuffers);
-static DISPATCH_PROC(SProcDestroyImageBuffers);
-static DISPATCH_PROC(SProcDisplayImageBuffers);
-static DISPATCH_PROC(SProcGetBufferAttributes);
-static DISPATCH_PROC(SProcGetBufferInfo);
-static DISPATCH_PROC(SProcGetBufferVersion);
-static DISPATCH_PROC(SProcGetMBufferAttributes);
-static DISPATCH_PROC(SProcMultibufferDispatch);
-static DISPATCH_PROC(SProcSetBufferAttributes);
-static DISPATCH_PROC(SProcSetMBufferAttributes);
-
-static void MultibufferResetProc(
- ExtensionEntry * /* extEntry */
- );
-static void SClobberNotifyEvent(
- xMbufClobberNotifyEvent * /* from */,
- xMbufClobberNotifyEvent * /* to */
- );
-static void SUpdateNotifyEvent(
- xMbufUpdateNotifyEvent * /* from */,
- xMbufUpdateNotifyEvent * /* to */
- );
-static Bool MultibufferPositionWindow(
- WindowPtr /* pWin */,
- int /* x */,
- int /* y */
- );
-
-static void SetupBackgroundPainter (
- WindowPtr /* pWin */,
- GCPtr /* pGC */
- );
-
-static int DeliverEventsToMultibuffer (
- MultibufferPtr /* pMultibuffer */,
- xEvent * /* pEvents */,
- int /* count */,
- Mask /* filter */
- );
-
-void
-MultibufferExtensionInit()
-{
- ExtensionEntry *extEntry;
- int i, j;
- ScreenPtr pScreen;
- MultibufferScreenPtr pMultibufferScreen;
-
- for (i = 0; i < screenInfo.numScreens; i++)
- {
- pScreen = screenInfo.screens[i];
- if (!(pMultibufferScreen = xalloc (sizeof (MultibufferScreenRec))))
- {
- for (j = 0; j < i; j++)
- xfree (dixLookupPrivate(&screenInfo.screens[j]->devPrivates, MultibufferScreenPrivKey));
- return;
- }
- dixSetPrivate(&pScreen->devPrivates, MultibufferScreenPrivKey, pMultibufferScreen);
- /*
- * wrap PositionWindow to resize the pixmap when the window
- * changes size
- */
- pMultibufferScreen->PositionWindow = pScreen->PositionWindow;
- pScreen->PositionWindow = MultibufferPositionWindow;
- }
- /*
- * create the resource types
- */
- MultibufferDrawableResType =
- CreateNewResourceType(MultibufferDrawableDelete, "MultibufferDrawable");
- if (MultiBufferDrawableResType)
- MultibufferDrawableResType |= RC_DRAWABLE;
- MultibufferResType = CreateNewResourceType(MultibufferDelete,
- "MultibufferBuffer");
- MultibuffersResType = CreateNewResourceType(MultibuffersDelete,
- "MultibufferWindow");
- OtherClientResType = CreateNewResourceType(OtherClientDelete,
- "MultibufferOtherClient");
- if (MultibufferDrawableResType && MultibufferResType &&
- MultibuffersResType && OtherClientResType &&
- (extEntry = AddExtension(MULTIBUFFER_PROTOCOL_NAME,
- MultibufferNumberEvents,
- MultibufferNumberErrors,
- ProcMultibufferDispatch, SProcMultibufferDispatch,
- MultibufferResetProc, StandardMinorOpcode)))
- {
- MultibufferEventBase = extEntry->eventBase;
- MultibufferErrorBase = extEntry->errorBase;
- EventSwapVector[MultibufferEventBase + MultibufferClobberNotify] = (EventSwapPtr) SClobberNotifyEvent;
- EventSwapVector[MultibufferEventBase + MultibufferUpdateNotify] = (EventSwapPtr) SUpdateNotifyEvent;
- }
-}
-
-/*ARGSUSED*/
-static void
-MultibufferResetProc (extEntry)
-ExtensionEntry *extEntry;
-{
- int i;
- ScreenPtr pScreen;
- MultibufferScreenPtr pMultibufferScreen;
-
- for (i = 0; i < screenInfo.numScreens; i++)
- {
- pScreen = screenInfo.screens[i];
- if ((pMultibufferScreen = (MultibufferScreenPtr)dixLookupPrivate(&pScreen->devPrivates, MultibufferScreenPrivKey)))
- {
- pScreen->PositionWindow = pMultibufferScreen->PositionWindow;
- xfree (pMultibufferScreen);
- }
- }
-}
-
-static int
-ProcGetBufferVersion (client)
- ClientPtr client;
-{
- xMbufGetBufferVersionReply rep;
- int n;
-
- REQUEST_SIZE_MATCH (xMbufGetBufferVersionReq);
- rep.type = X_Reply;
- rep.length = 0;
- rep.sequenceNumber = client->sequence;
- rep.majorVersion = MULTIBUFFER_MAJOR_VERSION;
- rep.minorVersion = MULTIBUFFER_MINOR_VERSION;
- if (client->swapped) {
- swaps(&rep.sequenceNumber, n);
- swapl(&rep.length, n);
- }
- WriteToClient(client, sizeof (xMbufGetBufferVersionReply), (char *)&rep);
- return (client->noClientException);
-}
-
-static void
-SetupBackgroundPainter (pWin, pGC)
- WindowPtr pWin;
- GCPtr pGC;
-{
- pointer gcvalues[4];
- int ts_x_origin, ts_y_origin;
- PixUnion background;
- int backgroundState;
- Mask gcmask;
-
- /*
- * First take care of any ParentRelative stuff by altering the
- * tile/stipple origin to match the coordinates of the upper-left
- * corner of the first ancestor without a ParentRelative background.
- * This coordinate is, of course, negative.
- */
-
- ts_x_origin = ts_y_origin = 0;
- while (pWin->backgroundState == ParentRelative) {
- ts_x_origin -= pWin->origin.x;
- ts_y_origin -= pWin->origin.y;
- pWin = pWin->parent;
- }
- backgroundState = pWin->backgroundState;
- background = pWin->background;
-
- switch (backgroundState)
- {
- case BackgroundPixel:
- gcvalues[0] = (pointer) background.pixel;
- gcvalues[1] = (pointer) FillSolid;
- gcmask = GCForeground|GCFillStyle;
- break;
-
- case BackgroundPixmap:
- gcvalues[0] = (pointer) FillTiled;
- gcvalues[1] = (pointer) background.pixmap;
- gcvalues[2] = (pointer)(long) ts_x_origin;
- gcvalues[3] = (pointer)(long) ts_y_origin;
- gcmask = GCFillStyle|GCTile|GCTileStipXOrigin|GCTileStipYOrigin;
- break;
-
- default:
- gcvalues[0] = (pointer) GXnoop;
- gcmask = GCFunction;
- }
- DoChangeGC(pGC, gcmask, (XID *)gcvalues, TRUE);
-}
-
-int
-CreateImageBuffers (pWin, nbuf, ids, action, hint)
- WindowPtr pWin;
- int nbuf;
- XID *ids;
- int action;
- int hint;
-{
- MultibuffersPtr pMultibuffers;
- MultibufferPtr pMultibuffer;
- ScreenPtr pScreen;
- int width, height, depth;
- int i;
- GCPtr pClearGC = NULL;
- xRectangle clearRect;
-
- DestroyImageBuffers(pWin);
- pMultibuffers = xalloc (sizeof (MultibuffersRec) + nbuf * sizeof (MultibufferRec));
- if (!pMultibuffers)
- return BadAlloc;
- pMultibuffers->pWindow = pWin;
- pMultibuffers->buffers = (MultibufferPtr) (pMultibuffers + 1);
- pMultibuffers->refcnt = pMultibuffers->numMultibuffer = 0;
- if (!AddResource (pWin->drawable.id, MultibuffersResType, (pointer) pMultibuffers))
- return BadAlloc;
- width = pWin->drawable.width;
- height = pWin->drawable.height;
- depth = pWin->drawable.depth;
- pScreen = pWin->drawable.pScreen;
-
- if (pWin->backgroundState != None)
- {
- pClearGC = GetScratchGC (pWin->drawable.depth, pScreen);
- SetupBackgroundPainter (pWin, pClearGC);
- clearRect.x = clearRect.y = 0;
- clearRect.width = width;
- clearRect.height = height;
- }
-
- for (i = 0; i < nbuf; i++)
- {
- pMultibuffer = &pMultibuffers->buffers[i];
- pMultibuffer->eventMask = 0L;
- pMultibuffer->otherEventMask = 0L;
- pMultibuffer->otherClients = (OtherClientsPtr) NULL;
- pMultibuffer->number = i;
- pMultibuffer->side = MultibufferSideMono;
- pMultibuffer->clobber = MultibufferUnclobbered;
- pMultibuffer->pMultibuffers = pMultibuffers;
- if (!AddResource (ids[i], MultibufferResType, (pointer) pMultibuffer))
- break;
- pMultibuffer->pPixmap = (*pScreen->CreatePixmap) (pScreen, width, height, depth, 0);
- if (!pMultibuffer->pPixmap)
- break;
- if (!AddResource (ids[i], MultibufferDrawableResType, (pointer) pMultibuffer->pPixmap))
- {
- FreeResource (ids[i], MultibufferResType);
- (*pScreen->DestroyPixmap) (pMultibuffer->pPixmap);
- break;
- }
- pMultibuffer->pPixmap->drawable.id = ids[i];
-
- if (i > 0 && pClearGC)
- {
- ValidateGC((DrawablePtr)pMultibuffer->pPixmap, pClearGC);
- (*pClearGC->ops->PolyFillRect)((DrawablePtr)pMultibuffer->pPixmap,
- pClearGC, 1, &clearRect);
- }
- }
- pMultibuffers->numMultibuffer = i;
- pMultibuffers->refcnt = i;
- pMultibuffers->displayedMultibuffer = -1;
- if (i > 0)
- AliasMultibuffer (pMultibuffers, 0);
- pMultibuffers->updateAction = action;
- pMultibuffers->updateHint = hint;
- pMultibuffers->windowMode = MultibufferModeMono;
- pMultibuffers->lastUpdate.months = 0;
- pMultibuffers->lastUpdate.milliseconds = 0;
- pMultibuffers->width = width;
- pMultibuffers->height = height;
- dixSetPrivate(&pWin->devPrivates, MultibufferWindowPrivKey, pMultibuffers);
- if (pClearGC) FreeScratchGC(pClearGC);
- return Success;
-}
-
-
-static int
-ProcCreateImageBuffers (client)
- ClientPtr client;
-{
- REQUEST(xMbufCreateImageBuffersReq);
- xMbufCreateImageBuffersReply rep;
- int n;
- WindowPtr pWin;
- XID *ids;
- int len, nbuf, i, err, rc;
-
- REQUEST_AT_LEAST_SIZE (xMbufCreateImageBuffersReq);
- len = stuff->length - bytes_to_int32(sizeof(xMbufCreateImageBuffersReq));
- if (len == 0)
- return BadLength;
- rc = dixLookupWindow(&pWin, stuff->window, client, DixUnknownAccess);
- if (rc != Success)
- return rc;
- if (pWin->drawable.class == InputOnly)
- return BadMatch;
- switch (stuff->updateAction)
- {
- case MultibufferUpdateActionUndefined:
- case MultibufferUpdateActionBackground:
- case MultibufferUpdateActionUntouched:
- case MultibufferUpdateActionCopied:
- break;
- default:
- client->errorValue = stuff->updateAction;
- return BadValue;
- }
- switch (stuff->updateHint)
- {
- case MultibufferUpdateHintFrequent:
- case MultibufferUpdateHintIntermittent:
- case MultibufferUpdateHintStatic:
- break;
- default:
- client->errorValue = stuff->updateHint;
- return BadValue;
- }
- nbuf = len;
- ids = (XID *) &stuff[1];
- for (i = 0; i < nbuf; i++)
- {
- LEGAL_NEW_RESOURCE(ids[i], client);
- }
- err = CreateImageBuffers (pWin, nbuf, ids,
- stuff->updateAction, stuff->updateHint);
- if (err != Success)
- return err;
- rep.type = X_Reply;
- rep.length = 0;
- rep.sequenceNumber = client->sequence;
- rep.numberBuffer = ((MultibuffersPtr) (dixLookupPrivate(&pWin->devPrivates, MultibufferWindowPrivKey)))->numMultibuffer;
- if (client->swapped)
- {
- swaps(&rep.sequenceNumber, n);
- swapl(&rep.length, n);
- swaps(&rep.numberBuffer, n);
- }
- WriteToClient(client, sizeof (xMbufCreateImageBuffersReply), (char*)&rep);
- return (client->noClientException);
-}
-
-static int
-ProcDisplayImageBuffers (client)
- ClientPtr client;
-{
- REQUEST(xMbufDisplayImageBuffersReq);
- MultibufferPtr *pMultibuffer;
- MultibuffersPtr *ppMultibuffers;
- int nbuf;
- XID *ids;
- int i, j;
- CARD32 minDelay;
- TimeStamp activateTime, bufferTime;
- int rc;
-
-
- REQUEST_AT_LEAST_SIZE (xMbufDisplayImageBuffersReq);
- nbuf = stuff->length - bytes_to_int32(sizeof (xMbufDisplayImageBuffersReq));
- if (!nbuf)
- return Success;
- minDelay = stuff->minDelay;
- ids = (XID *) &stuff[1];
- ppMultibuffers = xalloc(nbuf * sizeof (MultibuffersPtr));
- pMultibuffer = xalloc(nbuf * sizeof (MultibufferPtr));
- if (!ppMultibuffers || !pMultibuffer)
- {
- if (ppMultibuffers) xfree(ppMultibuffers);
- if (pMultibuffer) xfree(pMultibuffer);
- client->errorValue = 0;
- return BadAlloc;
- }
- activateTime.months = 0;
- activateTime.milliseconds = 0;
- for (i = 0; i < nbuf; i++)
- {
- rc = dixLookupResourceByType(&pMultibuffer[i], ids[i],
- MultibufferResType, client, DixUseAccess);
- if (rc != Success)
- {
- xfree(ppMultibuffers);
- xfree(pMultibuffer);
- client->errorValue = ids[i];
- return MultibufferErrorBase + MultibufferBadBuffer;
- }
- ppMultibuffers[i] = pMultibuffer[i]->pMultibuffers;
- for (j = 0; j < i; j++)
- {
- if (ppMultibuffers[i] == ppMultibuffers[j])
- {
- xfree(ppMultibuffers);
- xfree(pMultibuffer);
- client->errorValue = ids[i];
- return BadMatch;
- }
- }
- bufferTime = ppMultibuffers[i]->lastUpdate;
- BumpTimeStamp (&bufferTime, minDelay);
- if (CompareTimeStamps (bufferTime, activateTime) == LATER)
- activateTime = bufferTime;
- }
- UpdateCurrentTime ();
- if (CompareTimeStamps (activateTime, currentTime) == LATER &&
- QueueDisplayRequest (client, activateTime))
- {
- ;
- }
- else
- PerformDisplayRequest (ppMultibuffers, pMultibuffer, nbuf);
-
- xfree(ppMultibuffers);
- xfree(pMultibuffer);
- return Success;
-}
-
-
-static int
-ProcDestroyImageBuffers (client)
- ClientPtr client;
-{
- REQUEST (xMbufDestroyImageBuffersReq);
- WindowPtr pWin;
- int rc;
-
- REQUEST_SIZE_MATCH (xMbufDestroyImageBuffersReq);
- rc = dixLookupWindow(&pWin, stuff->window, client, DixUnknownAccess);
- if (rc != Success)
- return rc;
- DestroyImageBuffers (pWin);
- return Success;
-}
-
-static int
-ProcSetMBufferAttributes (client)
- ClientPtr client;
-{
- REQUEST (xMbufSetMBufferAttributesReq);
- WindowPtr pWin;
- MultibuffersPtr pMultibuffers;
- int len, rc;
- Mask vmask;
- Mask index2;
- CARD32 updateHint;
- XID *vlist;
-
- REQUEST_AT_LEAST_SIZE (xMbufSetMBufferAttributesReq);
- rc = dixLookupWindow(&pWin, stuff->window, client, DixUnknownAccess);
- if (rc != Success)
- return rc;
- rc = dixLookupResourceByType(&pMultibuffers, pWin->drawable.id,
- MultibufferResType, client, DixSetAttrAccess);
- if (rc != Success)
- return BadMatch;
- len = stuff->length - bytes_to_int32(sizeof (xMbufSetMBufferAttributesReq));
- vmask = stuff->valueMask;
- if (len != Ones (vmask))
- return BadLength;
- vlist = (XID *) &stuff[1];
- while (vmask)
- {
- index2 = (Mask) lowbit (vmask);
- vmask &= ~index2;
- switch (index2)
- {
- case MultibufferWindowUpdateHint:
- updateHint = (CARD32) *vlist;
- switch (updateHint)
- {
- case MultibufferUpdateHintFrequent:
- case MultibufferUpdateHintIntermittent:
- case MultibufferUpdateHintStatic:
- pMultibuffers->updateHint = updateHint;
- break;
- default:
- client->errorValue = updateHint;
- return BadValue;
- }
- vlist++;
- break;
- default:
- client->errorValue = stuff->valueMask;
- return BadValue;
- }
- }
- return Success;
-}
-
-static int
-ProcGetMBufferAttributes (client)
- ClientPtr client;
-{
- REQUEST (xMbufGetMBufferAttributesReq);
- WindowPtr pWin;
- MultibuffersPtr pMultibuffers;
- XID *ids;
- xMbufGetMBufferAttributesReply rep;
- int i, n, rc;
-
- REQUEST_SIZE_MATCH (xMbufGetMBufferAttributesReq);
- rc = dixLookupWindow(&pWin, stuff->window, client, DixUnknownAccess);
- if (rc != Success)
- return rc;
- rc = dixLookupResourceByType(&pMultibuffers, pWin->drawable.id,
- MultibufferResType, client, DixGetAttrAccess);
- if (rc != Success)
- return BadAccess;
- ids = xalloc (pMultibuffers->numMultibuffer * sizeof (XID));
- if (!ids)
- return BadAlloc;
- for (i = 0; i < pMultibuffers->numMultibuffer; i++)
- ids[i] = pMultibuffers->buffers[i].pPixmap->drawable.id;
- rep.type = X_Reply;
- rep.sequenceNumber = client->sequence;
- rep.length = pMultibuffers->numMultibuffer;
- rep.displayedBuffer = pMultibuffers->displayedMultibuffer;
- rep.updateAction = pMultibuffers->updateAction;
- rep.updateHint = pMultibuffers->updateHint;
- rep.windowMode = pMultibuffers->windowMode;
- if (client->swapped)
- {
- swaps(&rep.sequenceNumber, n);
- swapl(&rep.length, n);
- swaps(&rep.displayedBuffer, n);
- SwapLongs (ids, pMultibuffers->numMultibuffer);
- }
- WriteToClient (client, sizeof(xMbufGetMBufferAttributesReply),
- (char *)&rep);
- WriteToClient (client, (int)(pMultibuffers->numMultibuffer * sizeof (XID)),
- (char *)ids);
- xfree((pointer) ids);
- return client->noClientException;
-}
-
-static int
-ProcSetBufferAttributes (client)
- ClientPtr client;
-{
- REQUEST(xMbufSetBufferAttributesReq);
- MultibufferPtr pMultibuffer;
- int len;
- Mask vmask, index2;
- XID *vlist;
- Mask eventMask;
- int result;
- int rc;
-
- REQUEST_AT_LEAST_SIZE (xMbufSetBufferAttributesReq);
-
- rc = dixLookupResourceByType(&pMultibuffer, stuff->buffer,
- MultibufferResType, client, DixSetAttrAccess);
- if (rc != Success)
- return MultibufferErrorBase + MultibufferBadBuffer;
- len = stuff->length - bytes_to_int32(sizeof (xMbufSetBufferAttributesReq));
- vmask = stuff->valueMask;
- if (len != Ones (vmask))
- return BadLength;
- vlist = (XID *) &stuff[1];
- while (vmask)
- {
- index2 = (Mask) lowbit (vmask);
- vmask &= ~index2;
- switch (index2)
- {
- case MultibufferBufferEventMask:
- eventMask = (Mask) *vlist;
- vlist++;
- result = EventSelectForMultibuffer (pMultibuffer, client, eventMask);
- if (result != Success)
- return result;
- break;
- default:
- client->errorValue = stuff->valueMask;
- return BadValue;
- }
- }
- return Success;
-}
-
-int
-ProcGetBufferAttributes (client)
- ClientPtr client;
-{
- REQUEST(xMbufGetBufferAttributesReq);
- MultibufferPtr pMultibuffer;
- xMbufGetBufferAttributesReply rep;
- OtherClientsPtr other;
- int n;
- int rc;
-
- REQUEST_SIZE_MATCH (xMbufGetBufferAttributesReq);
- rc = dixLookupResourceByType(&pMultibuffer, stuff->buffer,
- MultibufferResType, client, DixGetAttrAccess);
- if (rc != Success)
- return MultibufferErrorBase + MultibufferBadBuffer;
- rep.type = X_Reply;
- rep.sequenceNumber = client->sequence;
- rep.length = 0;
- rep.window = pMultibuffer->pMultibuffers->pWindow->drawable.id;
- if (bClient (pMultibuffer) == client)
- rep.eventMask = pMultibuffer->eventMask;
- else
- {
- rep.eventMask = (Mask) 0L;
- for (other = pMultibuffer->otherClients; other; other = other->next)
- if (SameClient (other, client))
- {
- rep.eventMask = other->mask;
- break;
- }
- }
- rep.bufferIndex = pMultibuffer->number;
- rep.side = pMultibuffer->side;
- if (client->swapped)
- {
- swaps(&rep.sequenceNumber, n);
- swapl(&rep.length, n);
- swapl(&rep.window, n);
- swapl(&rep.eventMask, n);
- swaps(&rep.bufferIndex, n);
- }
- WriteToClient(client, sizeof (xMbufGetBufferAttributesReply), (char *)&rep);
- return (client->noClientException);
-}
-
-static int
-ProcGetBufferInfo (client)
- ClientPtr client;
-{
- REQUEST (xMbufGetBufferInfoReq);
- DrawablePtr pDrawable;
- xMbufGetBufferInfoReply rep;
- ScreenPtr pScreen;
- int i, j, k, n, rc;
- xMbufBufferInfo *pInfo;
- int nInfo;
- DepthPtr pDepth;
-
- rc = dixLookupDrawable(&pDrawable, stuff->drawable, client, 0,
- DixUnknownAccess);
- if (rc != Success)
- return rc;
- pScreen = pDrawable->pScreen;
- nInfo = 0;
- for (i = 0; i < pScreen->numDepths; i++)
- {
- pDepth = &pScreen->allowedDepths[i];
- nInfo += pDepth->numVids;
- }
- pInfo = xalloc (nInfo * sizeof (xMbufBufferInfo));
- if (!pInfo)
- return BadAlloc;
-
- rep.type = X_Reply;
- rep.sequenceNumber = client->sequence;
- rep.length = nInfo * bytes_to_int32(sizeof (xMbufBufferInfo));
- rep.normalInfo = nInfo;
- rep.stereoInfo = 0;
- if (client->swapped)
- {
- swaps(&rep.sequenceNumber, n);
- swapl(&rep.length, n);
- swaps(&rep.normalInfo, n);
- swaps(&rep.stereoInfo, n);
- }
-
- k = 0;
- for (i = 0; i < pScreen->numDepths; i++)
- {
- pDepth = &pScreen->allowedDepths[i];
- for (j = 0; j < pDepth->numVids; j++)
- {
- pInfo[k].visualID = pDepth->vids[j];
- pInfo[k].maxBuffers = 0;
- pInfo[k].depth = pDepth->depth;
- if (client->swapped)
- {
- swapl (&pInfo[k].visualID, n);
- swaps (&pInfo[k].maxBuffers, n);
- }
- k++;
- }
- }
- WriteToClient (client, sizeof (xMbufGetBufferInfoReply), (pointer) &rep);
- WriteToClient (client, (int) nInfo * sizeof (xMbufBufferInfo), (pointer) pInfo);
- xfree ((pointer) pInfo);
- return client->noClientException;
-}
-
-static int
-ProcClearImageBufferArea (client)
- ClientPtr client;
-{
- REQUEST (xMbufClearImageBufferAreaReq);
- MultibufferPtr pMultibuffer;
- WindowPtr pWin;
- xRectangle clearRect;
- int width, height;
- DrawablePtr pDrawable;
- ScreenPtr pScreen;
- int rc;
-
- REQUEST_SIZE_MATCH (xMbufClearImageBufferAreaReq);
- rc = dixLookupResourceByType(&pMultibuffer, stuff->buffer,
- MultibufferResType, client, DixWriteAccess);
- if (rc != Success)
- return MultibufferErrorBase + MultibufferBadBuffer;
- if ((stuff->exposures != xTrue) && (stuff->exposures != xFalse))
- {
- client->errorValue = stuff->exposures;
- return(BadValue);
- }
- pWin = pMultibuffer->pMultibuffers->pWindow;
- width = pWin->drawable.width;
- height = pWin->drawable.height;
- pScreen = pWin->drawable.pScreen;
-
- clearRect.x = stuff->x;
- clearRect.y = stuff->y;
- clearRect.width = stuff->width ? stuff->width : width;
- clearRect.height = stuff->height ? stuff->height : height;
-
- if (pWin->backgroundState != None)
- {
- GCPtr pClearGC;
- pClearGC = GetScratchGC (pWin->drawable.depth, pScreen);
- SetupBackgroundPainter (pWin, pClearGC);
-
- if (pMultibuffer->number == pMultibuffer->pMultibuffers->displayedMultibuffer)
- pDrawable = (DrawablePtr)pWin;
- else
- pDrawable = (DrawablePtr)pMultibuffer->pPixmap;
-
- ValidateGC(pDrawable, pClearGC);
- (*pClearGC->ops->PolyFillRect) (pDrawable, pClearGC, 1, &clearRect);
- FreeScratchGC(pClearGC);
- }
-
- if (stuff->exposures)
- {
- RegionRec region;
- BoxRec box;
- box.x1 = clearRect.x;
- box.y1 = clearRect.y;
- box.x2 = clearRect.x + clearRect.width;
- box.y2 = clearRect.y + clearRect.height;
- REGION_INIT(pScreen, &region, &box, 1);
- MultibufferExpose(pMultibuffer, &region);
- REGION_UNINIT(pScreen, &region);
- }
- return Success;
-}
-
-static int
-ProcMultibufferDispatch (client)
- ClientPtr client;
-{
- REQUEST(xReq);
- switch (stuff->data) {
- case X_MbufGetBufferVersion:
- return ProcGetBufferVersion (client);
- case X_MbufCreateImageBuffers:
- return ProcCreateImageBuffers (client);
- case X_MbufDisplayImageBuffers:
- return ProcDisplayImageBuffers (client);
- case X_MbufDestroyImageBuffers:
- return ProcDestroyImageBuffers (client);
- case X_MbufSetMBufferAttributes:
- return ProcSetMBufferAttributes (client);
- case X_MbufGetMBufferAttributes:
- return ProcGetMBufferAttributes (client);
- case X_MbufSetBufferAttributes:
- return ProcSetBufferAttributes (client);
- case X_MbufGetBufferAttributes:
- return ProcGetBufferAttributes (client);
- case X_MbufGetBufferInfo:
- return ProcGetBufferInfo (client);
- case X_MbufClearImageBufferArea:
- return ProcClearImageBufferArea (client);
- default:
- return BadRequest;
- }
-}
-
-static int
-SProcGetBufferVersion (client)
- ClientPtr client;
-{
- int n;
- REQUEST (xMbufGetBufferVersionReq);
-
- swaps (&stuff->length, n);
- return ProcGetBufferVersion (client);
-}
-
-static int
-SProcCreateImageBuffers (client)
- ClientPtr client;
-{
- int n;
- REQUEST (xMbufCreateImageBuffersReq);
-
- swaps (&stuff->length, n);
- REQUEST_AT_LEAST_SIZE (xMbufCreateImageBuffersReq);
- swapl (&stuff->window, n);
- SwapRestL(stuff);
- return ProcCreateImageBuffers (client);
-}
-
-static int
-SProcDisplayImageBuffers (client)
- ClientPtr client;
-{
- int n;
- REQUEST (xMbufDisplayImageBuffersReq);
-
- swaps (&stuff->length, n);
- REQUEST_AT_LEAST_SIZE (xMbufDisplayImageBuffersReq);
- swaps (&stuff->minDelay, n);
- swaps (&stuff->maxDelay, n);
- SwapRestL(stuff);
- return ProcDisplayImageBuffers (client);
-}
-
-static int
-SProcDestroyImageBuffers (client)
- ClientPtr client;
-{
- int n;
- REQUEST (xMbufDestroyImageBuffersReq);
-
- swaps (&stuff->length, n);
- REQUEST_SIZE_MATCH (xMbufDestroyImageBuffersReq);
- swapl (&stuff->window, n);
- return ProcDestroyImageBuffers (client);
-}
-
-static int
-SProcSetMBufferAttributes (client)
- ClientPtr client;
-{
- int n;
- REQUEST (xMbufSetMBufferAttributesReq);
-
- swaps (&stuff->length, n);
- REQUEST_AT_LEAST_SIZE(xMbufSetMBufferAttributesReq);
- swapl (&stuff->window, n);
- swapl (&stuff->valueMask, n);
- SwapRestL(stuff);
- return ProcSetMBufferAttributes (client);
-}
-
-static int
-SProcGetMBufferAttributes (client)
- ClientPtr client;
-{
- int n;
- REQUEST (xMbufGetMBufferAttributesReq);
-
- swaps (&stuff->length, n);
- REQUEST_AT_LEAST_SIZE(xMbufGetMBufferAttributesReq);
- swapl (&stuff->window, n);
- return ProcGetMBufferAttributes (client);
-}
-
-static int
-SProcSetBufferAttributes (client)
- ClientPtr client;
-{
- int n;
- REQUEST (xMbufSetBufferAttributesReq);
-
- swaps (&stuff->length, n);
- REQUEST_AT_LEAST_SIZE(xMbufSetBufferAttributesReq);
- swapl (&stuff->buffer, n);
- swapl (&stuff->valueMask, n);
- SwapRestL(stuff);
- return ProcSetBufferAttributes (client);
-}
-
-static int
-SProcGetBufferAttributes (client)
- ClientPtr client;
-{
- int n;
- REQUEST (xMbufGetBufferAttributesReq);
-
- swaps (&stuff->length, n);
- REQUEST_AT_LEAST_SIZE(xMbufGetBufferAttributesReq);
- swapl (&stuff->buffer, n);
- return ProcGetBufferAttributes (client);
-}
-
-static int
-SProcGetBufferInfo (client)
- ClientPtr client;
-{
- int n;
- REQUEST (xMbufGetBufferInfoReq);
-
- swaps (&stuff->length, n);
- REQUEST_SIZE_MATCH (xMbufGetBufferInfoReq);
- swapl (&stuff->drawable, n);
- return ProcGetBufferInfo (client);
-}
-
-static int
-SProcClearImageBufferArea(client)
- ClientPtr client;
-{
- char n;
- REQUEST(xMbufClearImageBufferAreaReq);
-
- swaps(&stuff->length, n);
- REQUEST_SIZE_MATCH (xMbufClearImageBufferAreaReq);
- swapl(&stuff->buffer, n);
- swaps(&stuff->x, n);
- swaps(&stuff->y, n);
- swaps(&stuff->width, n);
- swaps(&stuff->height, n);
- return ProcClearImageBufferArea(client);
-}
-
-static int
-SProcMultibufferDispatch (client)
- ClientPtr client;
-{
- REQUEST(xReq);
- switch (stuff->data) {
- case X_MbufGetBufferVersion:
- return SProcGetBufferVersion (client);
- case X_MbufCreateImageBuffers:
- return SProcCreateImageBuffers (client);
- case X_MbufDisplayImageBuffers:
- return SProcDisplayImageBuffers (client);
- case X_MbufDestroyImageBuffers:
- return SProcDestroyImageBuffers (client);
- case X_MbufSetMBufferAttributes:
- return SProcSetMBufferAttributes (client);
- case X_MbufGetMBufferAttributes:
- return SProcGetMBufferAttributes (client);
- case X_MbufSetBufferAttributes:
- return SProcSetBufferAttributes (client);
- case X_MbufGetBufferAttributes:
- return SProcGetBufferAttributes (client);
- case X_MbufGetBufferInfo:
- return SProcGetBufferInfo (client);
- case X_MbufClearImageBufferArea:
- return SProcClearImageBufferArea (client);
- default:
- return BadRequest;
- }
-}
-
-static void
-SUpdateNotifyEvent (from, to)
- xMbufUpdateNotifyEvent *from, *to;
-{
- to->type = from->type;
- cpswaps (from->sequenceNumber, to->sequenceNumber);
- cpswapl (from->buffer, to->buffer);
- cpswapl (from->timeStamp, to->timeStamp);
-}
-
-static void
-SClobberNotifyEvent (from, to)
- xMbufClobberNotifyEvent *from, *to;
-{
- to->type = from->type;
- cpswaps (from->sequenceNumber, to->sequenceNumber);
- cpswapl (from->buffer, to->buffer);
- to->state = from->state;
-}
-
-RegionPtr CreateUnclippedWinSize(WindowPtr pWin);
-
-RegionPtr
-CreateUnclippedWinSize (WindowPtr pWin)
-{
- RegionPtr pRgn;
- BoxRec box;
-
- box.x1 = pWin->drawable.x;
- box.y1 = pWin->drawable.y;
- box.x2 = pWin->drawable.x + (int) pWin->drawable.width;
- box.y2 = pWin->drawable.y + (int) pWin->drawable.height;
- pRgn = REGION_CREATE(pWin->drawable.pScreen, &box, 1);
- if (wBoundingShape (pWin) || wClipShape (pWin)) {
- ScreenPtr pScreen;
- pScreen = pWin->drawable.pScreen;
-
- REGION_TRANSLATE(pScreen, pRgn, - pWin->drawable.x,
- - pWin->drawable.y);
- if (wBoundingShape (pWin))
- REGION_INTERSECT(pScreen, pRgn, pRgn, wBoundingShape (pWin));
- if (wClipShape (pWin))
- REGION_INTERSECT(pScreen, pRgn, pRgn, wClipShape (pWin));
- REGION_TRANSLATE(pScreen, pRgn, pWin->drawable.x, pWin->drawable.y);
- }
- return pRgn;
-}
-
-static void
-PerformDisplayRequest (ppMultibuffers, pMultibuffer, nbuf)
- MultibufferPtr *pMultibuffer;
- MultibuffersPtr *ppMultibuffers;
- int nbuf;
-{
- GCPtr pGC;
- PixmapPtr pPrevPixmap, pNewPixmap;
- xRectangle clearRect;
- WindowPtr pWin;
- RegionPtr pExposed;
- int i;
- MultibufferPtr pPrevMultibuffer;
- XID graphicsExpose;
-
- UpdateCurrentTime ();
- for (i = 0; i < nbuf; i++)
- {
- pWin = ppMultibuffers[i]->pWindow;
- pGC = GetScratchGC (pWin->drawable.depth, pWin->drawable.pScreen);
- pPrevMultibuffer =
- &ppMultibuffers[i]->buffers[ppMultibuffers[i]->displayedMultibuffer];
- pPrevPixmap = pPrevMultibuffer->pPixmap;
- pNewPixmap = pMultibuffer[i]->pPixmap;
- switch (ppMultibuffers[i]->updateAction)
- {
- case MultibufferUpdateActionUndefined:
- break;
- case MultibufferUpdateActionBackground:
- SetupBackgroundPainter (pWin, pGC);
- ValidateGC ((DrawablePtr)pPrevPixmap, pGC);
- clearRect.x = 0;
- clearRect.y = 0;
- clearRect.width = pPrevPixmap->drawable.width;
- clearRect.height = pPrevPixmap->drawable.height;
- (*pGC->ops->PolyFillRect) ((DrawablePtr)pPrevPixmap, pGC,
- 1, &clearRect);
- break;
- case MultibufferUpdateActionUntouched:
- /* copy the window to the pixmap that represents the
- * currently displayed buffer
- */
- if (pPrevMultibuffer->eventMask & ExposureMask)
- {
- graphicsExpose = TRUE;
- DoChangeGC (pGC, GCGraphicsExposures, &graphicsExpose, FALSE);
- }
- ValidateGC ((DrawablePtr)pPrevPixmap, pGC);
- pExposed = (*pGC->ops->CopyArea)
- ((DrawablePtr) pWin,
- (DrawablePtr) pPrevPixmap,
- pGC,
- 0, 0,
- pWin->drawable.width, pWin->drawable.height,
- 0, 0);
-
- /* if we couldn't copy the whole window to the buffer,
- * send expose events (if any client wants them)
- */
- if (pPrevMultibuffer->eventMask & ExposureMask)
- { /* some client wants expose events */
- if (pExposed)
- {
- RegionPtr pWinSize;
-
- pWinSize = CreateUnclippedWinSize (pWin);
- /* pExposed is window-relative, but at this point
- * pWinSize is screen-relative. Make pWinSize be
- * window-relative so that region ops involving
- * pExposed and pWinSize behave sensibly.
- */
- REGION_TRANSLATE(pWin->drawable.pScreen, pWinSize,
- -pWin->drawable.x, -pWin->drawable.y);
- REGION_INTERSECT(pWin->drawable.pScreen, pExposed,
- pExposed, pWinSize);
- REGION_DESTROY(pWin->drawable.pScreen, pWinSize);
- MultibufferExpose (pPrevMultibuffer, pExposed);
- REGION_DESTROY(pWin->drawable.pScreen, pExposed);
- }
- graphicsExpose = FALSE;
- DoChangeGC (pGC, GCGraphicsExposures, &graphicsExpose, FALSE);
- }
- break; /* end case MultibufferUpdateActionUntouched */
-
- case MultibufferUpdateActionCopied:
- ValidateGC ((DrawablePtr)pPrevPixmap, pGC);
- (*pGC->ops->CopyArea) ((DrawablePtr)pNewPixmap,
- (DrawablePtr)pPrevPixmap, pGC,
- 0, 0,
- pWin->drawable.width, pWin->drawable.height,
- 0, 0);
- break;
- } /* end switch on update action */
-
- /* display the new buffer */
- ValidateGC ((DrawablePtr)pWin, pGC);
- (*pGC->ops->CopyArea) ((DrawablePtr)pNewPixmap, (DrawablePtr)pWin, pGC,
- 0, 0,
- pWin->drawable.width, pWin->drawable.height,
- 0, 0);
- ppMultibuffers[i]->lastUpdate = currentTime;
- MultibufferUpdate (pMultibuffer[i],
- ppMultibuffers[i]->lastUpdate.milliseconds);
- AliasMultibuffer (ppMultibuffers[i],
- pMultibuffer[i] - ppMultibuffers[i]->buffers);
- FreeScratchGC (pGC);
- }
-}
-
-DrawablePtr
-GetBufferPointer (pWin, i)
- WindowPtr pWin;
- int i;
-{
- MultibuffersPtr pMultibuffers;
-
- if (!(pMultibuffers = (MultibuffersPtr) dixLookupPrivate(&pWin->devPrivates, MultibufferWindowPrivKey)))
- return NULL;
- return (DrawablePtr) pMultibuffers->buffers[i].pPixmap;
-}
-
-static Bool
-QueueDisplayRequest (client, activateTime)
- ClientPtr client;
- TimeStamp activateTime;
-{
- /* see xtest.c:ProcXTestFakeInput for code similar to this */
-
- if (!ClientSleepUntil(client, &activateTime, NULL, NULL))
- {
- return FALSE;
- }
- /* swap the request back so we can simply re-execute it */
- if (client->swapped)
- {
- int n;
- REQUEST (xMbufDisplayImageBuffersReq);
-
- SwapRestL(stuff);
- swaps (&stuff->length, n);
- swaps (&stuff->minDelay, n);
- swaps (&stuff->maxDelay, n);
- }
- ResetCurrentRequest (client);
- client->sequence--;
- return TRUE;
-}
-
-
-/*
- * Deliver events to a buffer
- */
-
-static int
-DeliverEventsToMultibuffer (pMultibuffer, pEvents, count, filter)
- MultibufferPtr pMultibuffer;
- xEvent *pEvents;
- int count;
- Mask filter;
-{
- int deliveries = 0, nondeliveries = 0;
- int attempt;
- OtherClients *other;
-
- /* if nobody wants the event, we're done */
- if (!((pMultibuffer->otherEventMask|pMultibuffer->eventMask) & filter))
- return 0;
-
- /* maybe send event to owner */
- if ((attempt = TryClientEvents(
- bClient(pMultibuffer), NULL, pEvents, count, pMultibuffer->eventMask, filter, (GrabPtr) 0)) != 0)
- {
- if (attempt > 0)
- deliveries++;
- else
- nondeliveries--;
- }
-
- /* maybe send event to other clients */
- for (other = pMultibuffer->otherClients; other; other=other->next)
- {
- if ((attempt = TryClientEvents(
- rClient(other), NULL, pEvents, count, other->mask, filter, (GrabPtr) 0)) != 0)
- {
- if (attempt > 0)
- deliveries++;
- else
- nondeliveries--;
- }
- }
- if (deliveries)
- return deliveries;
- return nondeliveries;
-}
-
-/*
- * Send Expose events to interested clients
- */
-
-void
-MultibufferExpose (pMultibuffer, pRegion)
- MultibufferPtr pMultibuffer;
- RegionPtr pRegion;
-{
- if (pRegion && !REGION_NIL(pRegion))
- {
- xEvent *pEvent;
- PixmapPtr pPixmap;
- xEvent *pe;
- BoxPtr pBox;
- int i;
- int numRects;
-
- pPixmap = pMultibuffer->pPixmap;
- REGION_TRANSLATE(pPixmap->drawable.pScreen, pRegion,
- -pPixmap->drawable.x, -pPixmap->drawable.y);
- /* XXX MultibufferExpose "knows" the region representation */
- numRects = REGION_NUM_RECTS(pRegion);
- pBox = REGION_RECTS(pRegion);
-
- pEvent = xalloc(numRects * sizeof(xEvent));
- if (pEvent) {
- pe = pEvent;
-
- for (i=1; i<=numRects; i++, pe++, pBox++)
- {
- pe->u.u.type = Expose;
- pe->u.expose.window = pPixmap->drawable.id;
- pe->u.expose.x = pBox->x1;
- pe->u.expose.y = pBox->y1;
- pe->u.expose.width = pBox->x2 - pBox->x1;
- pe->u.expose.height = pBox->y2 - pBox->y1;
- pe->u.expose.count = (numRects - i);
- }
- (void) DeliverEventsToMultibuffer (pMultibuffer, pEvent, numRects,
- ExposureMask);
- xfree(pEvent);
- }
- }
-}
-
-/* send UpdateNotify event */
-void
-MultibufferUpdate (pMultibuffer, time2)
- MultibufferPtr pMultibuffer;
- CARD32 time2;
-{
- xMbufUpdateNotifyEvent event;
-
- event.type = MultibufferEventBase + MultibufferUpdateNotify;
- event.buffer = pMultibuffer->pPixmap->drawable.id;
- event.timeStamp = time2;
- (void) DeliverEventsToMultibuffer (pMultibuffer, (xEvent *)&event,
- 1, (Mask)MultibufferUpdateNotifyMask);
-}
-
-/*
- * The sample implementation will never generate MultibufferClobberNotify
- * events
- */
-
-void
-MultibufferClobber (pMultibuffer)
- MultibufferPtr pMultibuffer;
-{
- xMbufClobberNotifyEvent event;
-
- event.type = MultibufferEventBase + MultibufferClobberNotify;
- event.buffer = pMultibuffer->pPixmap->drawable.id;
- event.state = pMultibuffer->clobber;
- (void) DeliverEventsToMultibuffer (pMultibuffer, (xEvent *)&event,
- 1, (Mask)MultibufferClobberNotifyMask);
-}
-
-/*
- * make the resource id for buffer i refer to the window
- * drawable instead of the pixmap;
- */
-
-static void
-AliasMultibuffer (pMultibuffers, i)
- MultibuffersPtr pMultibuffers;
- int i;
-{
- MultibufferPtr pMultibuffer;
-
- if (i == pMultibuffers->displayedMultibuffer)
- return;
- /*
- * remove the old association
- */
- if (pMultibuffers->displayedMultibuffer >= 0)
- {
- pMultibuffer = &pMultibuffers->buffers[pMultibuffers->displayedMultibuffer];
- ChangeResourceValue (pMultibuffer->pPixmap->drawable.id,
- MultibufferDrawableResType,
- (pointer) pMultibuffer->pPixmap);
- }
- /*
- * make the new association
- */
- pMultibuffer = &pMultibuffers->buffers[i];
- ChangeResourceValue (pMultibuffer->pPixmap->drawable.id,
- MultibufferDrawableResType,
- (pointer) pMultibuffers->pWindow);
- pMultibuffers->displayedMultibuffer = i;
-}
-
-/*
- * free everything associated with multibuffering for this
- * window
- */
-
-void
-DestroyImageBuffers (pWin)
- WindowPtr pWin;
-{
- FreeResourceByType (pWin->drawable.id, MultibuffersResType, FALSE);
- /* Zero out the window's pointer to the buffers so they won't be reused */
- dixSetPrivate(&pWin->devPrivates, MultibufferWindowPrivKey, NULL);
-}
-
-/*
- * resize the buffers when the window is resized
- */
-
-static Bool
-MultibufferPositionWindow (pWin, x, y)
- WindowPtr pWin;
- int x, y;
-{
- ScreenPtr pScreen;
- MultibufferScreenPtr pMultibufferScreen;
- MultibuffersPtr pMultibuffers;
- MultibufferPtr pMultibuffer;
- int width, height;
- int i;
- int dx, dy, dw, dh;
- int sourcex, sourcey;
- int destx, desty;
- PixmapPtr pPixmap;
- GCPtr pGC;
- int savewidth, saveheight;
- xRectangle clearRect;
- Bool clear;
-
- pScreen = pWin->drawable.pScreen;
- pMultibufferScreen = (MultibufferScreenPtr) dixLookupPrivate(&pScreen->devPrivates, MultibufferScreenPrivKey);
- (*pMultibufferScreen->PositionWindow) (pWin, x, y);
-
- /* if this window is not multibuffered, we're done */
- if (!(pMultibuffers = (MultibuffersPtr) dixLookupPrivate(&pWin->devPrivates, MultibufferWindowPrivKey)))
- return TRUE;
-
- /* if new size is same as old, we're done */
- if (pMultibuffers->width == pWin->drawable.width &&
- pMultibuffers->height == pWin->drawable.height)
- return TRUE;
-
- width = pWin->drawable.width;
- height = pWin->drawable.height;
- dx = pWin->drawable.x - pMultibuffers->x;
- dy = pWin->drawable.x - pMultibuffers->y;
- dw = width - pMultibuffers->width;
- dh = height - pMultibuffers->height;
- GravityTranslate (0, 0, -dx, -dy, dw, dh,
- pWin->bitGravity, &destx, &desty);
-
- /* if the window grew, remember to paint the window background,
- * and maybe send expose events, for the new areas of the buffers
- */
- clear = pMultibuffers->width < width || pMultibuffers->height < height ||
- pWin->bitGravity == ForgetGravity;
-
- sourcex = 0;
- sourcey = 0;
- savewidth = pMultibuffers->width;
- saveheight = pMultibuffers->height;
- /* clip rectangle to source and destination */
- if (destx < 0)
- {
- savewidth += destx;
- sourcex -= destx;
- destx = 0;
- }
- if (destx + savewidth > width)
- savewidth = width - destx;
- if (desty < 0)
- {
- saveheight += desty;
- sourcey -= desty;
- desty = 0;
- }
- if (desty + saveheight > height)
- saveheight = height - desty;
-
- pMultibuffers->width = width;
- pMultibuffers->height = height;
- pMultibuffers->x = pWin->drawable.x;
- pMultibuffers->y = pWin->drawable.y;
-
- pGC = GetScratchGC (pWin->drawable.depth, pScreen);
- if (clear)
- {
- SetupBackgroundPainter (pWin, pGC);
- clearRect.x = 0;
- clearRect.y = 0;
- clearRect.width = width;
- clearRect.height = height;
- }
- for (i = 0; i < pMultibuffers->numMultibuffer; i++)
- {
- pMultibuffer = &pMultibuffers->buffers[i];
- pPixmap = (*pScreen->CreatePixmap) (pScreen, width, height,
- pWin->drawable.depth,
- CREATE_PIXMAP_USAGE_SCRATCH);
- if (!pPixmap)
- {
- DestroyImageBuffers (pWin);
- break;
- }
- ValidateGC ((DrawablePtr)pPixmap, pGC);
- /*
- * I suppose this could avoid quite a bit of work if
- * it computed the minimal area required.
- */
- if (clear)
- (*pGC->ops->PolyFillRect) ((DrawablePtr)pPixmap, pGC, 1, &clearRect);
- if (pWin->bitGravity != ForgetGravity)
- {
- (*pGC->ops->CopyArea) ((DrawablePtr)pMultibuffer->pPixmap,
- (DrawablePtr)pPixmap, pGC,
- sourcex, sourcey, savewidth, saveheight,
- destx, desty);
- }
- pPixmap->drawable.id = pMultibuffer->pPixmap->drawable.id;
- (*pScreen->DestroyPixmap) (pMultibuffer->pPixmap);
- pMultibuffer->pPixmap = pPixmap;
- if (i != pMultibuffers->displayedMultibuffer)
- {
- ChangeResourceValue (pPixmap->drawable.id,
- MultibufferDrawableResType,
- (pointer) pPixmap);
- }
- }
- FreeScratchGC (pGC);
- return TRUE;
-}
-
-/* Resource delete func for MultibufferDrawableResType */
-/*ARGSUSED*/
-static int
-MultibufferDrawableDelete (value, id)
- pointer value;
- XID id;
-{
- DrawablePtr pDrawable = (DrawablePtr)value;
- WindowPtr pWin;
- MultibuffersPtr pMultibuffers;
- PixmapPtr pPixmap;
-
- if (pDrawable->type == DRAWABLE_WINDOW)
- {
- pWin = (WindowPtr) pDrawable;
- pMultibuffers = (MultibuffersPtr) dixLookupPrivate(&pWin->devPrivates, MultibufferWindowPrivKey);
- pPixmap = pMultibuffers->buffers[pMultibuffers->displayedMultibuffer].pPixmap;
- }
- else
- {
- pPixmap = (PixmapPtr) pDrawable;
- }
- (*pPixmap->drawable.pScreen->DestroyPixmap) (pPixmap);
- return Success;
-}
-
-/* Resource delete func for MultibufferResType */
-/*ARGSUSED*/
-static int
-MultibufferDelete (value, id)
- pointer value;
- XID id;
-{
- MultibufferPtr pMultibuffer = (MultibufferPtr)value;
- MultibuffersPtr pMultibuffers;
-
- pMultibuffers = pMultibuffer->pMultibuffers;
- if (--pMultibuffers->refcnt == 0)
- {
- FreeResourceByType (pMultibuffers->pWindow->drawable.id,
- MultibuffersResType, TRUE);
- xfree (pMultibuffers);
- }
- return Success;
-}
-
-/* Resource delete func for MultibuffersResType */
-/*ARGSUSED*/
-static int
-MultibuffersDelete (value, id)
- pointer value;
- XID id;
-{
- MultibuffersPtr pMultibuffers = (MultibuffersPtr)value;
- int i;
-
- if (pMultibuffers->refcnt == pMultibuffers->numMultibuffer)
- {
- for (i = pMultibuffers->numMultibuffer; --i >= 0; )
- FreeResource (pMultibuffers->buffers[i].pPixmap->drawable.id, 0);
- }
- return Success;
-}
-
-/* Resource delete func for OtherClientResType */
-static int
-OtherClientDelete (value, id)
- pointer value;
- XID id;
-{
- MultibufferPtr pMultibuffer = (MultibufferPtr)value;
- OtherClientsPtr other, prev;
-
- prev = 0;
- for (other = pMultibuffer->otherClients; other; other = other->next)
- {
- if (other->resource == id)
- {
- if (prev)
- prev->next = other->next;
- else
- pMultibuffer->otherClients = other->next;
- xfree (other);
- RecalculateMultibufferOtherEvents (pMultibuffer);
- break;
- }
- prev = other;
- }
- return Success;
-}
-
-static int
-EventSelectForMultibuffer (pMultibuffer, client, mask)
- MultibufferPtr pMultibuffer;
- ClientPtr client;
- Mask mask;
-{
- OtherClientsPtr other;
-
- if (mask & ~ValidEventMasks)
- {
- client->errorValue = mask;
- return BadValue;
- }
- if (bClient (pMultibuffer) == client)
- {
- pMultibuffer->eventMask = mask;
- }
- else /* some other client besides the creator wants events */
- {
- for (other = pMultibuffer->otherClients; other; other = other->next)
- {
- if (SameClient (other, client))
- {
- if (mask == 0)
- {
- FreeResource (other->resource, RT_NONE);
- break;
- }
- other->mask = mask;
- break;
- }
- }
- if (!other)
- { /* new client that never selected events on this buffer before */
- other = xalloc (sizeof (OtherClients));
- if (!other)
- return BadAlloc;
- other->mask = mask;
- other->resource = FakeClientID (client->index);
- if (!AddResource (other->resource, OtherClientResType, (pointer) pMultibuffer))
- {
- xfree (other);
- return BadAlloc;
- }
- other->next = pMultibuffer->otherClients;
- pMultibuffer->otherClients = other;
- }
- RecalculateMultibufferOtherEvents (pMultibuffer);
- }
- return (client->noClientException);
-}
-
-/* or together all the otherClients event masks */
-static void
-RecalculateMultibufferOtherEvents (pMultibuffer)
- MultibufferPtr pMultibuffer;
-{
- Mask otherEventMask;
- OtherClients *other;
-
- otherEventMask = 0L;
- for (other = pMultibuffer->otherClients; other; other = other->next)
- otherEventMask |= other->mask;
- pMultibuffer->otherEventMask = otherEventMask;
-}
-
-/* add milliseconds to a timestamp, handling overflow */
-static void
-BumpTimeStamp (ts, inc)
-TimeStamp *ts;
-CARD32 inc;
-{
- CARD32 newms;
-
- newms = ts->milliseconds + inc;
- if (newms < ts->milliseconds)
- ts->months++;
- ts->milliseconds = newms;
-}
diff --git a/Xext/mbufbf.c b/Xext/mbufbf.c
deleted file mode 100644
index 7d9d60a..0000000
--- a/Xext/mbufbf.c
+++ /dev/null
@@ -1,1007 +0,0 @@
-/*
-
-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.
-
-*/
-
-
-#ifdef HAVE_DIX_CONFIG_H
-#include <dix-config.h>
-#endif
-
-#include <stdio.h>
-#include <X11/X.h>
-#include <X11/Xproto.h>
-#include "misc.h"
-#include "os.h"
-#include "windowstr.h"
-#include "scrnintstr.h"
-#include "pixmapstr.h"
-#include "extnsionst.h"
-#include "dixstruct.h"
-#include "resource.h"
-#include "opaque.h"
-#include "regionstr.h"
-#include "gcstruct.h"
-#include "inputstr.h"
-#include "validate.h"
-#include "globals.h"
-#include <sys/time.h>
-
-#define _MULTIBUF_SERVER_ /* don't want Xlib structures */
-#define _MULTIBUF_BUFFER_
-#include <X11/extensions/multibufst.h>
-
-/*
-Support for doublebuffer hardare
-
-This code is designed to support doublebuffer hardware where the
-displayed buffer is selected on a per-pixel basis by an additional bit
-plane, called the select plane. It could probably be easily modified
-to work with systems that use window-id planes.
-
-This is done by creating a new drawable type, DRAWABLE_BUFFER. The
-type has the same exact layout as a window drawable. Your code should
-treat a DRAWABLE_BUFFER the same as it would tread a DRAWABLE_WINDOW
-when handling the gc drawing functions. In addition, PaintWindowBackground,
-CopyWindow, and all of the gc drawing functions to be able to draw into both
-framebuffers. Which framebuffer to draw into is selected by the contents of
- pWin->devPrivates[frameWindowPrivateIndex].
-The content of the devPrivate is either from frameBuffer[0] or
-frameBuffer[1], depending on which buffer is being drawn into. When
- pWin->devPrivates[frameWindowPrivateIndex] == frameBuffer[0],
-the functions should draw into the front framebuffer. When
- pWin->devPrivates[frameWindowPrivateIndex] == frameBuffer[1],
-the functions should draw into the back framebuffer.
-
-In addition, you need to provide a function that allows you to copy
-bits between the buffers (optional since CopyArea can be used) and a
-function that draws into the select plane. Then, you need to register
-your functions and other information, by calling:
-
-void
-RegisterDoubleBufferHardware(pScreen, nInfo, pInfo, frameBuffer, selectPlane,
- CopyBufferBitsFunc, DrawSelectPlaneFunc)
- int nInfo;
- xMbufBufferInfo *pInfo;
- DevUnion *frameBuffer;
- DevUnion selectPlane;
-
-"pInfo" is an array indicating which visuals and depths that double
-buffering is supported on. "nInfo" is the length of the array.
-
-"frameBuffer" is array of length 2. The contents of the array element
-is ddx-specific. The content of frameBuffer[0] should, when placed in
-the window private, indicate that framebuffer 0 should be drawn into.
-The contents of frameBuffer[1], when placed into the window private,
-should indicate that framebuffer 1 should be drawn into.
-
-"selectPlane" is ddx-specific. It should contain information
-neccessary for your displayProc to access the select plane.
-It is passed to DrawSelectPlaneFunc.
-
-"CopyBufferBitsFunc" is a ddx-specific function that copies from one
-buffer of a multibuffered window to another buffer. If the CopyBufferBitsFunc
-is NULL, a default function will be used that calls pScreen->CopyArea.
-
- void CopyBufferBitsFunc(pMBWindow, srcBufferNum, dstBufferNum)
- mbufWindowPtr pMBWindow;
- int srcBufferNum, dstBufferNum;
-
-"DrawSelectPlaneFunc" is a ddx-specific function that fills the
-regions "prgn" of select plane with the value "bufferNum". If
-selectPlane is a DrawablePtr (such as a PixmapPtr), you can pass
-NULL for DrawSelectPlaneFunc, a default function will be used that
-calls FillRectangle on the selectPlane.
-
- void DrawSelectPlaneFunc(pScreen, selectPlane, prgn, bufferNum)
- ScreenPtr pScreen;
- DevUnion selectPlane;
- RegionPtr prgn;
- long bufferNum;
-
-...
-...
-...
-
-*/
-
-#define MAX_BUFFERS 2 /* Only supports 2 buffers */
-#define FRONT_BUFFER 0
-#define BACK_BUFFER 1
-
-
-/* Buffer drawables have the same structure as window drawables */
-typedef WindowRec BufferRec;
-typedef WindowPtr BufferPtr;
-
-
-/*
- * Call RegisterHdwrBuffer for every screen that has doublebuffer hardware.
- */
-
-static int bufNumInfo[MAXSCREENS];
-static xMbufBufferInfo *bufInfo[MAXSCREENS];
-static DevUnion *bufFrameBuffer[MAXSCREENS];
-static DevUnion bufselectPlane[MAXSCREENS];
-static void (* bufCopyBufferBitsFunc[MAXSCREENS])();
-static void (* bufDrawSelectPlaneFunc[MAXSCREENS])();
-
-static Bool bufMultibufferInit();
-
-
-void
-RegisterDoubleBufferHardware(pScreen, nInfo, pInfo, frameBuffer, selectPlane,
- CopyBufferBitsFunc, DrawSelectPlaneFunc)
- ScreenPtr pScreen;
- int nInfo;
- xMbufBufferInfo *pInfo;
- DevUnion *frameBuffer;
- DevUnion selectPlane;
- void (* CopyBufferBitsFunc)();
- void (* DrawSelectPlaneFunc)();
-{
- bufNumInfo[pScreen->myNum] = nInfo;
- bufInfo[pScreen->myNum] = pInfo;
- bufFrameBuffer[pScreen->myNum] = frameBuffer;
- bufselectPlane[pScreen->myNum] = selectPlane;
-
- bufCopyBufferBitsFunc[pScreen->myNum] = CopyBufferBitsFunc;
- bufDrawSelectPlaneFunc[pScreen->myNum] = DrawSelectPlaneFunc;
-
- /* Register ourselves with device-independent multibuffers code */
- RegisterMultibufferInit(pScreen, bufMultibufferInit);
-}
-
-
-/*
- * Called by Multibuffer extension initialization.
- * Initializes mbufScreenRec and its devPrivate.
- */
-
-static Bool NoopDDA_True() { return TRUE; }
-static Bool bufPositionWindow();
-static int bufCreateImageBuffers();
-static void bufDestroyImageBuffers();
-static void bufDisplayImageBuffers();
-static void bufClearImageBufferArea();
-static void bufDestroyBuffer();
-static void bufCopyBufferBits();
-static void bufDrawSelectPlane();
-static void bufWrapScreenFuncs();
-static void bufResetProc();
-
-static void bufPostValidateTree();
-static void bufClipNotify();
-static void bufWindowExposures();
-static Bool bufChangeWindowAttributes();
-static void bufClearToBackground();
-static void bufCopyWindow();
-
-static Bool
-bufMultibufferInit(pScreen, pMBScreen)
- ScreenPtr pScreen;
- mbufScreenPtr pMBScreen;
-{
- mbufBufferPrivPtr pMBPriv;
- BoxRec box;
-
- /* Multibuffer info */
- pMBScreen->nInfo = bufNumInfo[pScreen->myNum];
- pMBScreen->pInfo = bufInfo[pScreen->myNum];
-
- /* Hooks */
- pMBScreen->CreateImageBuffers = bufCreateImageBuffers;
- pMBScreen->DestroyImageBuffers = bufDestroyImageBuffers;
- pMBScreen->DisplayImageBuffers = bufDisplayImageBuffers;
- pMBScreen->ClearImageBufferArea = bufClearImageBufferArea;
- pMBScreen->ChangeMBufferAttributes = NoopDDA_True;
- pMBScreen->ChangeBufferAttributes = NoopDDA_True;
- pMBScreen->DeleteBufferDrawable = bufDestroyBuffer;
- pMBScreen->WrapScreenFuncs = bufWrapScreenFuncs;
- pMBScreen->ResetProc = bufResetProc;
- /* Create devPrivate part */
- pMBPriv = xalloc(sizeof *pMBPriv);
- if (!pMBPriv)
- return (FALSE);
-
- pMBScreen->devPrivate.ptr = (pointer) pMBPriv;
- pMBPriv->frameBuffer = bufFrameBuffer[pScreen->myNum];
- pMBPriv->selectPlane = bufselectPlane[pScreen->myNum];
-
- /*
- * Initializing the subtractRgn to the screen area will ensure that
- * the selectPlane will get cleared on the first PostValidateTree.
- */
-
- box.x1 = 0;
- box.y1 = 0;
- box.x2 = pScreen->width;
- box.y2 = pScreen->height;
-
- pMBPriv->rgnChanged = TRUE;
- REGION_INIT(pScreen, &pMBPriv->backBuffer, &box, 1);
- REGION_INIT(pScreen, &pMBPriv->subtractRgn, &box, 1);
- REGION_NULL(pScreen, &pMBPriv->unionRgn);
-
- /* Misc functions */
- pMBPriv->CopyBufferBits = bufCopyBufferBitsFunc[pScreen->myNum];
- pMBPriv->DrawSelectPlane = bufDrawSelectPlaneFunc[pScreen->myNum];
-
- if (!pMBPriv->CopyBufferBits)
- pMBPriv->CopyBufferBits = bufCopyBufferBits;
-
- if (!pMBPriv->DrawSelectPlane)
- pMBPriv->DrawSelectPlane = bufDrawSelectPlane;
-
- /* screen functions */
- pMBPriv->funcsWrapped = 0;
- pMBPriv->inClearToBackground = FALSE;
- pMBPriv->WindowExposures = NULL;
- pMBPriv->CopyWindow = NULL;
- pMBPriv->ClearToBackground = NULL;
- pMBPriv->ClipNotify = NULL;
- pMBPriv->ChangeWindowAttributes = NULL;
-
- /* Start out wrapped to clear select plane */
- WRAP_SCREEN_FUNC(pScreen,pMBPriv,PostValidateTree, bufPostValidateTree);
- return TRUE;
-}
-
-static void
-UpdateBufferFromWindow(pBuffer, pWin)
- BufferPtr pBuffer;
- WindowPtr pWin;
-{
- pBuffer->drawable.x = pWin->drawable.x;
- pBuffer->drawable.y = pWin->drawable.y;
- pBuffer->drawable.width = pWin->drawable.width;
- pBuffer->drawable.height = pWin->drawable.height;
-
- pBuffer->drawable.serialNumber = NEXT_SERIAL_NUMBER;
-
- /* Update for PaintWindowBackground */
- pBuffer->parent = pWin->parent;
-
- /*
- * Make the borderClip the same as the clipList so
- * NotClippedByChildren comes out with just clipList.
- */
-
- pBuffer->clipList = pWin->clipList;
- pBuffer->borderClip = pWin->clipList;
- pBuffer->winSize = pWin->winSize;
- pBuffer->borderSize = pWin->borderSize;
-
- pBuffer->origin = pWin->origin;
-}
-
-static BufferPtr
-bufCreateBuffer(pScreen, pWin, bufferNum)
- ScreenPtr pScreen;
- WindowPtr pWin;
- int bufferNum;
-{
- mbufBufferPrivPtr pMBPriv;
- DevUnion *devPrivates;
- BufferPtr pBuffer;
- int i;
-
- pMBPriv = MB_SCREEN_PRIV_BUFFER(pScreen);
-
- pBuffer = AllocateWindow(pWin->drawable.pScreen);
- if (!pBuffer)
- return (NULL);
-
- /* XXX- Until we know what is needed, copy everything. */
- devPrivates = pBuffer->devPrivates;
- *pBuffer = *pWin;
- pBuffer->devPrivates = devPrivates;
-
- pBuffer->drawable.type = DRAWABLE_BUFFER;
- pBuffer->drawable.serialNumber = NEXT_SERIAL_NUMBER;
-
- pBuffer->nextSib = NULL;
- pBuffer->prevSib = NULL;
- pBuffer->firstChild = NULL;
- pBuffer->lastChild = NULL;
-
- /* XXX - Need to call pScreen->CreateWindow for tile/stipples
- * or should I just copy the devPrivates?
- */
-
- for (i=0; i < pScreen->WindowPrivateLen; i++)
- pBuffer->devPrivates[i] = pWin->devPrivates[i];
-
- pBuffer->devPrivates[frameWindowPrivateIndex] =
- pMBPriv->frameBuffer[bufferNum];
-
- return pBuffer;
-}
-
-static void
-bufDestroyBuffer(pDrawable)
- DrawablePtr pDrawable;
-{
- xfree(pDrawable);
-}
-
-/*ARGSUSED*/
-static int
-bufCreateImageBuffers (pWin, nbuf, ids, action, hint)
- WindowPtr pWin;
- int nbuf;
- XID *ids;
- int action;
- int hint;
-{
- ScreenPtr pScreen;
- mbufScreenPtr pMBScreen;
- mbufWindowPtr pMBWindow;
- mbufBufferPtr pMBBuffer;
- int i;
-
- pScreen = pWin->drawable.pScreen;
- pMBScreen = MB_SCREEN_PRIV(pScreen);
- pMBWindow = MB_WINDOW_PRIV(pWin);
-
- pMBWindow->devPrivate.ptr = (pointer) REGION_CREATE(pScreen, 0,0);
- if (!pMBWindow->devPrivate.ptr)
- return(0);
- REGION_COPY(pScreen, (RegionPtr) pMBWindow->devPrivate.ptr,
- &pWin->clipList);
-
- for (i = 0; i < nbuf; i++)
- {
- pMBBuffer = pMBWindow->buffers + i;
- pMBBuffer->pDrawable = (DrawablePtr) bufCreateBuffer(pScreen,pWin,i);
-
- if (!pMBBuffer->pDrawable)
- break;
-
- if (!AddResource (ids[i], MultibufferDrawableResType,
- (pointer) pMBBuffer->pDrawable))
- {
- bufDestroyBuffer((BufferPtr) pMBBuffer->pDrawable);
- break;
- }
- pMBBuffer->pDrawable->id = ids[i];
-
- /*
- * If window is already mapped, generate exposures and
- * clear the area of the newly buffers.
- */
-
- if ((pWin->realized) && (i != pMBWindow->displayedMultibuffer))
- (* pMBScreen->ClearImageBufferArea)(pMBBuffer, 0,0, 0,0, TRUE);
- }
-
- return i;
-}
-
-static void
-bufDestroyImageBuffers(pWin)
- WindowPtr pWin;
-{
- ScreenPtr pScreen;
- mbufWindowPtr pMBWindow;
-
- pScreen = pWin->drawable.pScreen;
-
- if (pMBWindow = MB_WINDOW_PRIV(pWin))
- {
- mbufBufferPrivPtr pMBPriv = MB_SCREEN_PRIV_BUFFER(pScreen);
-
- /*
- * if the backbuffer is currently being displayed, move the bits
- * to the frontbuffer and display it instead.
- */
-
- if (pWin->realized && (pMBWindow->displayedMultibuffer == BACK_BUFFER))
- {
- (* pMBPriv->CopyBufferBits)(pMBWindow, BACK_BUFFER, FRONT_BUFFER);
- REGION_SUBTRACT(pScreen, &pMBPriv->backBuffer,
- &pMBPriv->backBuffer, &pWin->clipList);
- (* pMBPriv->DrawSelectPlane)(pScreen, pMBPriv->selectPlane,
- &pWin->clipList, FRONT_BUFFER);
- }
-
- /* Switch window rendering to front buffer */
- pWin->devPrivates[frameWindowPrivateIndex] =
- pMBPriv->frameBuffer[FRONT_BUFFER];
-
- REGION_DESTROY(pScreen, (RegionPtr) pMBWindow->devPrivate.ptr);
- pMBWindow->devPrivate.ptr = NULL;
- }
-}
-
-/*
- * Can be replaced by pScreen->ClearToBackground if pBuffer->eventMask
- * and wOtherEventsMasks(pBuffer) were setup.
- */
-
-static void
-bufClearImageBufferArea(pMBBuffer, x,y, w,h, generateExposures)
- mbufBufferPtr pMBBuffer;
- short x,y;
- unsigned short w,h;
- Bool generateExposures;
-{
- BoxRec box;
- RegionRec reg;
- RegionPtr pBSReg = NullRegion;
- ScreenPtr pScreen;
- BoxPtr extents;
- int x1, y1, x2, y2;
- BufferPtr pBuffer;
-
- pBuffer = (BufferPtr) pMBBuffer->pDrawable;
- /* compute everything using ints to avoid overflow */
-
- x1 = pBuffer->drawable.x + x;
- y1 = pBuffer->drawable.y + y;
- if (w)
- x2 = x1 + (int) w;
- else
- x2 = x1 + (int) pBuffer->drawable.width - (int) x;
- if (h)
- y2 = y1 + h;
- else
- y2 = y1 + (int) pBuffer->drawable.height - (int) y;
-
- extents = &pBuffer->clipList.extents;
-
- /* clip the resulting rectangle to the window clipList extents. This
- * makes sure that the result will fit in a box, given that the
- * screen is < 32768 on a side.
- */
-
- if (x1 < extents->x1)
- x1 = extents->x1;
- if (x2 > extents->x2)
- x2 = extents->x2;
- if (y1 < extents->y1)
- y1 = extents->y1;
- if (y2 > extents->y2)
- y2 = extents->y2;
-
- if (x2 <= x1 || y2 <= y1)
- {
- x2 = x1 = 0;
- y2 = y1 = 0;
- }
-
- box.x1 = x1;
- box.x2 = x2;
- box.y1 = y1;
- box.y2 = y2;
-
- pScreen = pBuffer->drawable.pScreen;
- REGION_INIT(pScreen, &reg, &box, 1);
-
- REGION_INTERSECT(pScreen, &reg, &reg, &pBuffer->clipList);
- if (pBuffer->backgroundState != None)
- miPaintWindow(pBuffer, &reg, PW_BACKGROUND);
- if (generateExposures)
- MultibufferExpose(pMBBuffer, &reg);
-#ifdef _notdef
- /* XXBS - This is the original miClearToBackground code.
- * WindowExposures needs to be called (or the functionality emulated)
- * in order for backingStore to work, but first, pBuffer->eventMask
- * and wOtherEventsMasks(pBuffer) need to be setup correctly.
- */
-
- if (generateExposures)
- (*pScreen->WindowExposures)(pBuffer, &reg, pBSReg);
- else if (pBuffer->backgroundState != None)
- miPaintWindow(pBuffer, &reg, PW_BACKGROUND);
-#endif
- REGION_UNINIT(pScreen, &reg);
- if (pBSReg)
- REGION_DESTROY(pScreen, pBSReg);
-}
-
-static void
-bufWrapScreenFuncs(pScreen)
- ScreenPtr pScreen;
-{
- mbufBufferPrivPtr pMBPriv = MB_SCREEN_PRIV_BUFFER(pScreen);
-
- WRAP_SCREEN_FUNC(pScreen,pMBPriv,PostValidateTree, bufPostValidateTree);
- WRAP_SCREEN_FUNC(pScreen,pMBPriv,ClipNotify, bufClipNotify);
- WRAP_SCREEN_FUNC(pScreen,pMBPriv,WindowExposures,bufWindowExposures);
- WRAP_SCREEN_FUNC(pScreen,pMBPriv,ChangeWindowAttributes, bufChangeWindowAttributes);
- WRAP_SCREEN_FUNC(pScreen,pMBPriv,ClearToBackground,bufClearToBackground);
- WRAP_SCREEN_FUNC(pScreen,pMBPriv,CopyWindow,bufCopyWindow);
-}
-
-static void
-bufResetProc(pScreen)
- ScreenPtr pScreen;
-{
- mbufBufferPrivPtr pMBPriv = MB_SCREEN_PRIV_BUFFER(pScreen);
-
- /*
- * frameBuffer, selectPlane, and pInfo should be freed by
- * whoever called RegisterDoubleBufferHardware
- */
-
- REGION_UNINIT(pScreen, &pMBPriv->backBuffer);
- REGION_UNINIT(pScreen, &pMBPriv->subtractRgn);
- REGION_UNINIT(pScreen, &pMBPriv->unionRgn);
- xfree(pMBPriv);
-}
-
-/*---------------------------------------------------------------------------*/
-
-/*
- * Used if CopyBufferBitsFunc is not provided when registering.
- * This should work for everybody since CopyArea needs to support
- * copying between buffers anyway.
- */
-
-static void
-bufCopyBufferBits(pMBWindow, srcBufferNum, dstBufferNum)
- mbufWindowPtr pMBWindow;
- int srcBufferNum, dstBufferNum;
-{
- DrawablePtr pSrcBuffer, pDstBuffer;
- GCPtr pGC;
-
- pSrcBuffer = pMBWindow->buffers[srcBufferNum].pDrawable;
- pDstBuffer = pMBWindow->buffers[dstBufferNum].pDrawable;
-
- pGC = GetScratchGC (pDstBuffer->depth, pDstBuffer->pScreen);
- if (!pGC)
- return;
-
- ValidateGC (pDstBuffer, pGC);
- (* pGC->ops->CopyArea) (pSrcBuffer, pDstBuffer, pGC,
- 0,0, pDstBuffer->width, pDstBuffer->height, 0,0);
- FreeScratchGC (pGC);
-}
-
-/*
- * Used if DrawSelectPlanFunc is not provided for when registering.
- * However, it only works if selectPlane.ptr is a drawable. Also
- * assumes that painting with color 0 selects the front buffer,
- * while color 1 selects the back buffer.
- */
-
-static void
-bufDrawSelectPlane(pScreen, selectPlane, prgn, bufferNum)
- ScreenPtr pScreen;
- DevUnion selectPlane;
- RegionPtr prgn;
- long bufferNum;
-{
- DrawablePtr pDrawable;
- GCPtr pGC;
- int i;
- BoxPtr pbox;
- xRectangle *prect;
- int numRects;
- XID value;
-
- if (REGION_NUM_RECTS(prgn) == 0)
- return;
-
- pDrawable = (DrawablePtr) selectPlane.ptr;
- pGC = GetScratchGC (pDrawable->depth, pScreen);
- if (!pGC)
- return;
-
- prect = xalloc(REGION_NUM_RECTS(prgn) * sizeof(xRectangle));
- if (!prect)
- {
- FreeScratchGC(pGC);
- return;
- }
-
- value = (XID) bufferNum;
- DoChangeGC(pGC, GCForeground, &value, 0);
- ValidateGC(pDrawable, pGC);
-
- numRects = REGION_NUM_RECTS(prgn);
- pbox = REGION_RECTS(prgn);
- for (i= numRects; --i >= 0; pbox++, prect++)
- {
- prect->x = pbox->x1;
- prect->y = pbox->y1;
- prect->width = pbox->x2 - pbox->x1;
- prect->height = pbox->y2 - pbox->y1;
- }
- prect -= numRects;
- (* pGC->ops->PolyFillRect)(pDrawable, pGC, numRects, prect);
-
- xfree(prect);
- FreeScratchGC (pGC);
-}
-
-
-static void
-bufDisplayImageBuffers(pScreen, ppMBWindow, ppMBBuffer, nbuf)
- ScreenPtr pScreen;
- mbufBufferPtr *ppMBBuffer;
- mbufWindowPtr *ppMBWindow;
- int nbuf;
-{
- WindowPtr pWin;
- BufferPtr pPrevBuffer, pNewBuffer;
- int i, number;
- mbufBufferPrivPtr pMBPriv;
- mbufBufferPtr pPrevMBBuffer;
-
- pMBPriv = MB_SCREEN_PRIV_BUFFER(pScreen);
-
- for (i = 0; i < nbuf; i++)
- {
- number = ppMBBuffer[i]->number; /* 0=frontbuffer, 1=backbuffer */
- pWin = ppMBWindow[i]->pWindow;
- pPrevMBBuffer = MB_DISPLAYED_BUFFER(ppMBWindow[i]);
-
- pPrevBuffer = (BufferPtr) pPrevMBBuffer->pDrawable;
- pNewBuffer = (BufferPtr) ppMBBuffer[i]->pDrawable;
-
- if (pPrevBuffer != pNewBuffer)
- {
- RegionPtr backBuffer = &pMBPriv->backBuffer;
-
- /*
- * Update the select plane and the backBuffer region.
- */
-
- (* pMBPriv->DrawSelectPlane)(pScreen, pMBPriv->selectPlane,
- &pWin->clipList, number);
-
- if (number == BACK_BUFFER)
- REGION_UNION(pScreen, backBuffer, backBuffer,
- &pWin->clipList);
- else
- REGION_SUBTRACT(pScreen, backBuffer, backBuffer,
- &pWin->clipList);
-
- /* Switch which framebuffer the window draws into */
- pWin->devPrivates[frameWindowPrivateIndex] =
- pMBPriv->frameBuffer[number];
- }
-
- switch (ppMBWindow[i]->updateAction)
- {
- case MultibufferUpdateActionUndefined:
- break;
- case MultibufferUpdateActionBackground:
- (* MB_SCREEN_PRIV(pScreen)->ClearImageBufferArea)
- (pPrevMBBuffer, 0,0, 0,0, FALSE);
- break;
- case MultibufferUpdateActionUntouched:
- break;
- case MultibufferUpdateActionCopied:
- if (pPrevBuffer != pNewBuffer)
- {
- (* pMBPriv->CopyBufferBits) (ppMBWindow[i],
- ppMBBuffer[i]->number, pPrevMBBuffer->number);
- }
- break;
- }
- }
-}
-
-/* Updates the backBuffer region and paints the selectPlane. */
-
-static void
-bufPostValidateTree(pParent, pChild, kind)
- WindowPtr pParent, pChild;
- VTKind kind;
-{
- ScreenPtr pScreen;
- mbufBufferPrivPtr pMBPriv;
-
- if (pParent)
- pScreen = pParent->drawable.pScreen;
- else if (pChild)
- pScreen = pChild->drawable.pScreen;
- else
- return; /* Hopeless */
-
- pMBPriv = MB_SCREEN_PRIV_BUFFER(pScreen);
-
- UNWRAP_SCREEN_FUNC(pScreen, pMBPriv, void, PostValidateTree);
- if (pScreen->PostValidateTree)
- (* pScreen->PostValidateTree)(pParent, pChild, kind);
- REWRAP_SCREEN_FUNC(pScreen, pMBPriv, void, PostValidateTree);
-
- /* Does backBuffer need to change? */
- if (pMBPriv->rgnChanged)
- {
- RegionRec exposed;
- RegionPtr pSubtractRgn, pUnionRgn;
- Bool overlap;
-
- pMBPriv->rgnChanged = FALSE;
-
- pSubtractRgn = &pMBPriv->subtractRgn;
- pUnionRgn = &pMBPriv->unionRgn;
- REGION_VALIDATE(pScreen, pSubtractRgn, &overlap);
-#ifdef DEBUG
- if (overlap)
- FatalError("bufPostValidateTree: subtractRgn overlaps");
-#endif
- REGION_VALIDATE(pScreen, pUnionRgn, &overlap);
-#ifdef DEBUG
- if (overlap)
- FatalError("bufPostValidateTree: unionRgn overlaps");
-#endif
-
- /* Update backBuffer: subtract must come before union */
- REGION_SUBTRACT(pScreen, &pMBPriv->backBuffer, &pMBPriv->backBuffer,
- pSubtractRgn);
- REGION_UNION(pScreen, &pMBPriv->backBuffer, &pMBPriv->backBuffer,
- pUnionRgn);
-
- /* Paint gained and lost backbuffer areas in select plane */
- REGION_NULL(pScreen, &exposed);
- REGION_SUBTRACT(pScreen, &exposed, pSubtractRgn, pUnionRgn);
- (* pMBPriv->DrawSelectPlane)(pScreen, pMBPriv->selectPlane,
- &exposed, FRONT_BUFFER);
-
- REGION_SUBTRACT(pScreen, &exposed, pUnionRgn, pSubtractRgn);
- (* pMBPriv->DrawSelectPlane)(pScreen, pMBPriv->selectPlane,
- &exposed, BACK_BUFFER);
-
- REGION_UNINIT(pScreen, &exposed);
- REGION_EMPTY(pScreen, pSubtractRgn);
- REGION_EMPTY(pScreen, pUnionRgn);
- }
-}
-
-/*
- * If the window is multibuffered and displaying the backbuffer,
- * add the old clipList to the subtractRgn and add the new clipList
- * to the unionRgn. PostValidateTree will use subtractRgn and unionRgn
- * to update the backBuffer region and the selectPlane.
- *
- * Copy changes to the window structure into the buffers.
- * Send ClobberNotify events.
- */
-
-static void
-bufClipNotify(pWin, dx,dy)
- WindowPtr pWin;
- int dx,dy;
-{
- ScreenPtr pScreen = pWin->drawable.pScreen;
- mbufBufferPrivPtr pMBPriv = MB_SCREEN_PRIV_BUFFER(pScreen);
- mbufWindowPtr pMBWindow;
- int i;
-
- UNWRAP_SCREEN_FUNC(pScreen, pMBPriv, void, ClipNotify);
- if (pScreen->ClipNotify)
- (* pScreen->ClipNotify)(pWin, dx,dy);
- REWRAP_SCREEN_FUNC(pScreen, pMBPriv, void, ClipNotify);
-
- if (pMBWindow = MB_WINDOW_PRIV(pWin))
- {
- RegionPtr pOldClipList = (RegionPtr) pMBWindow->devPrivate.ptr;
-
- if (! REGION_EQUAL(pScreen, pOldClipList, &pWin->clipList))
- {
- if (pMBWindow->displayedMultibuffer == BACK_BUFFER)
- {
- pMBPriv->rgnChanged = TRUE;
- REGION_APPEND(pScreen, &pMBPriv->subtractRgn, pOldClipList);
- REGION_APPEND(pScreen, &pMBPriv->unionRgn, &pWin->clipList);
- }
-
- REGION_COPY(pScreen, pOldClipList,&pWin->clipList);
- }
-
- /* Update buffer x,y,w,h, and clipList */
- for (i=0; i<pMBWindow->numMultibuffer; i++)
- {
- mbufBufferPtr pMBBuffer = pMBWindow->buffers + i;
- if (pMBBuffer->clobber != pWin->visibility)
- {
- pMBBuffer->clobber = pWin->visibility;
- MultibufferClobber(pMBBuffer);
- }
- UpdateBufferFromWindow(pMBBuffer->pDrawable, pWin);
- }
- }
-}
-
-/*
- * Updates buffer's background fields when the window's changes.
- * This is necessary because miPaintWindow is used to paint the buffer.
- *
- * XXBS - Backingstore state will have be tracked too if it is supported.
- */
-
-static Bool
-bufChangeWindowAttributes(pWin, mask)
- WindowPtr pWin;
- unsigned long mask;
-{
- ScreenPtr pScreen = pWin->drawable.pScreen;
- mbufBufferPrivPtr pMBPriv = MB_SCREEN_PRIV_BUFFER(pScreen);
- mbufWindowPtr pMBWindow;
- Bool ret;
-
- UNWRAP_SCREEN_FUNC(pScreen, pMBPriv, Bool, ChangeWindowAttributes);
- ret = (* pScreen->ChangeWindowAttributes)(pWin, mask);
- REWRAP_SCREEN_FUNC(pScreen, pMBPriv, Bool, ChangeWindowAttributes);
-
- if (pMBWindow = MB_WINDOW_PRIV(pWin))
- {
- if (mask & (CWBackPixmap | CWBackPixel))
- {
- BufferPtr pBuffer;
- int i;
-
- for (i=0; i<pMBWindow->displayedMultibuffer; i++)
- {
- pBuffer = (BufferPtr) pMBWindow->buffers[i].pDrawable;
- pBuffer->backgroundState = pWin->backgroundState;
- pBuffer->background = pWin->background;
- }
- }
- }
- return ret;
-}
-
-/*
- * Send exposures and clear the background for a buffer whenever
- * its corresponding window is exposed, except when called by
- * ClearToBackground.
- */
-
-static void
-bufWindowExposures(pWin, prgn, other_exposed)
- WindowPtr pWin;
- RegionPtr prgn, other_exposed;
-{
- ScreenPtr pScreen = pWin->drawable.pScreen;
- mbufWindowPtr pMBWindow = MB_WINDOW_PRIV(pWin);
- mbufBufferPrivPtr pMBPriv = MB_SCREEN_PRIV_BUFFER(pScreen);
- RegionRec tmp_rgn;
- int i;
- Bool handleBuffers;
-
- handleBuffers = (!pMBPriv->inClearToBackground) &&
- (pWin->drawable.type == DRAWABLE_WINDOW) &&
- pMBWindow && (prgn && !REGION_NIL(prgn));
-
- /* miWindowExposures munges prgn and other_exposed. */
- if (handleBuffers)
- {
- REGION_NULL(pScreen, &tmp_rgn);
- REGION_COPY(pScreen, &tmp_rgn, prgn);
- }
-
- UNWRAP_SCREEN_FUNC(pScreen, pMBPriv, void, WindowExposures);
- (* pScreen->WindowExposures) (pWin, prgn, other_exposed);
- REWRAP_SCREEN_FUNC(pScreen, pMBPriv, void, WindowExposures);
-
- if (!handleBuffers)
- return;
-
- /*
- * Send expose events to all clients. Paint the exposed region for all
- * buffers except the displayed buffer since it is handled when the
- * window is painted.
- *
- * XXBS - Will have to be re-written to handle BackingStore on buffers.
- */
-
- for (i=0; i<pMBWindow->numMultibuffer; i++)
- {
- mbufBufferPtr pMBBuffer;
- BufferPtr pBuffer;
-
- pMBBuffer = pMBWindow->buffers + i;
- pBuffer = (BufferPtr) pMBBuffer->pDrawable;
-
- if (i != pMBWindow->displayedMultibuffer)
- miPaintWindow(pBuffer, &tmp_rgn, PW_BACKGROUND);
- if ((pMBBuffer->otherEventMask | pMBBuffer->eventMask) & ExposureMask)
- MultibufferExpose(pMBBuffer, &tmp_rgn);
- }
-
- REGION_UNINIT(pScreen, &tmp_rgn);
-}
-
-/*
- * Set ``inClearToBackground'' so that WindowExposures does not attempt
- * to send expose events or clear the background on the buffers.
- */
-
-static void
-bufClearToBackground(pWin, x,y,w,h, sendExpose)
- WindowPtr pWin;
- int x,y, w,h;
- Bool sendExpose;
-{
- ScreenPtr pScreen = pWin->drawable.pScreen;
- mbufBufferPrivPtr pMBPriv = MB_SCREEN_PRIV_BUFFER(pScreen);
-
- pMBPriv->inClearToBackground = TRUE;
-
- UNWRAP_SCREEN_FUNC(pScreen, pMBPriv, void, ClearToBackground);
- (* pScreen->ClearToBackground)(pWin, x,y,w,h, sendExpose);
- REWRAP_SCREEN_FUNC(pScreen, pMBPriv, void, ClearToBackground);
-
- pMBPriv->inClearToBackground = FALSE;
-}
-
-/*
- * Move bits in both buffers. It does this by calling pScreen->CopyWindow
- * twice, once with the root window's devPrivate[frameWindowPrivateIndex]
- * pointing to the frontbuffer pixmap and once with it pointed to the
- * backbuffer pixmap. It does this if there are *any* existing multibuffered
- * window... a possible optimization is to copy the backbuffer only if this
- * window or its inferiors are multibuffered. May be faster, maybe not.
- *
- * XXX - Only works if your CopyWindow checks the root window's devPrivate
- * to see which buffer to draw into. Works for cfbPaintWindow.
- */
-
-/*ARGSUSED*/
-static void
-bufCopyWindow(pWin, ptOldOrg, prgnSrc)
- WindowPtr pWin;
- DDXPointRec ptOldOrg;
- RegionPtr prgnSrc;
-{
- ScreenPtr pScreen = pWin->drawable.pScreen;
- mbufBufferPrivPtr pMBPriv = MB_SCREEN_PRIV_BUFFER(pScreen);
- WindowPtr pwinroot;
- DevUnion save;
-
- UNWRAP_SCREEN_FUNC(pScreen, pMBPriv, void, CopyWindow);
-
- pwinroot = WindowTable[pScreen->myNum];
- save = pwinroot->devPrivates[frameWindowPrivateIndex];
-
- /*
- * Copy front buffer
- */
-
- pwinroot->devPrivates[frameWindowPrivateIndex] =
- pMBPriv->frameBuffer[FRONT_BUFFER];
- (* pScreen->CopyWindow)(pWin, ptOldOrg, prgnSrc);
-
- /*
- * Copy back buffer
- */
-
- /* CopyWindow translates prgnSrc... translate it back for 2nd call. */
- REGION_TRANSLATE(pScreen, prgnSrc,
- ptOldOrg.x - pWin->drawable.x,
- ptOldOrg.y - pWin->drawable.y);
- pwinroot->devPrivates[frameWindowPrivateIndex] =
- pMBPriv->frameBuffer[BACK_BUFFER];
- (* pScreen->CopyWindow)(pWin, ptOldOrg, prgnSrc);
-
- pwinroot->devPrivates[frameWindowPrivateIndex] = save;
- REWRAP_SCREEN_FUNC(pScreen, pMBPriv, void, CopyWindow);
-}
diff --git a/Xext/mbufpx.c b/Xext/mbufpx.c
deleted file mode 100644
index 8421ba9..0000000
--- a/Xext/mbufpx.c
+++ /dev/null
@@ -1,648 +0,0 @@
-/************************************************************
-
-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.
-
-********************************************************/
-
-#ifdef HAVE_DIX_CONFIG_H
-#include <dix-config.h>
-#endif
-
-#include <stdio.h>
-#include <X11/X.h>
-#include <X11/Xproto.h>
-#include "misc.h"
-#include "os.h"
-#include "windowstr.h"
-#include "scrnintstr.h"
-#include "pixmapstr.h"
-#include "extnsionst.h"
-#include "dixstruct.h"
-#include "resource.h"
-#include "opaque.h"
-#include "regionstr.h"
-#include "gcstruct.h"
-#include "inputstr.h"
-#include <sys/time.h>
-
-#define _MULTIBUF_SERVER_ /* don't want Xlib structures */
-#define _MULTIBUF_PIXMAP_
-#include <X11/extensions/multibufst.h>
-
-
-static Bool NoopDDA_True() { return TRUE; }
-
-static Bool pixPositionWindow();
-static int pixCreateImageBuffers();
-static void pixDisplayImageBuffers();
-static void pixClearImageBufferArea();
-static void pixDeleteBufferDrawable();
-static void pixWrapScreenFuncs();
-static void pixResetProc();
-
-Bool
-pixMultibufferInit(pScreen, pMBScreen)
- ScreenPtr pScreen;
- mbufScreenPtr pMBScreen;
-{
- int i, j, k;
- xMbufBufferInfo *pInfo;
- int nInfo;
- DepthPtr pDepth;
- mbufPixmapPrivPtr pMBPriv;
-
- pMBScreen->CreateImageBuffers = pixCreateImageBuffers;
- pMBScreen->DestroyImageBuffers = (void (*)())NoopDDA;
- pMBScreen->DisplayImageBuffers = pixDisplayImageBuffers;
- pMBScreen->ClearImageBufferArea = pixClearImageBufferArea;
- pMBScreen->ChangeMBufferAttributes = NoopDDA_True;
- pMBScreen->ChangeBufferAttributes = NoopDDA_True;
- pMBScreen->DeleteBufferDrawable = pixDeleteBufferDrawable;
- pMBScreen->WrapScreenFuncs = pixWrapScreenFuncs;
- pMBScreen->ResetProc = pixResetProc;
-
- /* Support every depth and visual combination that the screen does */
-
- nInfo = 0;
- for (i = 0; i < pScreen->numDepths; i++)
- {
- pDepth = &pScreen->allowedDepths[i];
- nInfo += pDepth->numVids;
- }
-
- pInfo = xalloc (nInfo * sizeof (xMbufBufferInfo));
- if (!pInfo)
- return FALSE;
-
- k = 0;
- for (i = 0; i < pScreen->numDepths; i++)
- {
- pDepth = &pScreen->allowedDepths[i];
- for (j = 0; j < pDepth->numVids; j++)
- {
- pInfo[k].visualID = pDepth->vids[j];
- pInfo[k].maxBuffers = 0;
- pInfo[k].depth = pDepth->depth;
- k++;
- }
- }
-
- pMBScreen->nInfo = nInfo;
- pMBScreen->pInfo = pInfo;
-
- /*
- * Setup the devPrivate to mbufScreenRec
- */
-
- pMBPriv = xalloc(sizeof(* pMBPriv));
- if (!pMBPriv)
- {
- xfree(pInfo);
- return (FALSE);
- }
- pMBScreen->devPrivate.ptr = (pointer) pMBPriv;
- pMBPriv->PositionWindow = NULL;
- pMBPriv->funcsWrapped = 0;
-
- return TRUE;
-}
-
-/*ARGSUSED*/
-static int
-pixCreateImageBuffers (pWin, nbuf, ids, action, hint)
- WindowPtr pWin;
- int nbuf;
- XID *ids;
- int action;
- int hint;
-{
- mbufWindowPtr pMBWindow;
- mbufBufferPtr pMBBuffer;
- ScreenPtr pScreen;
- int width, height, depth;
- int i;
-
- pMBWindow = MB_WINDOW_PRIV(pWin);
-
- width = pWin->drawable.width;
- height = pWin->drawable.height;
- depth = pWin->drawable.depth;
- pScreen = pWin->drawable.pScreen;
-
- for (i = 0; i < nbuf; i++)
- {
- pMBBuffer = &pMBWindow->buffers[i];
- pMBBuffer->pDrawable = (DrawablePtr)
- (*pScreen->CreatePixmap) (pScreen, width, height, depth, 0);
- if (!pMBBuffer->pDrawable)
- break;
-
- if (!AddResource (ids[i], MultibufferDrawableResType,
- (pointer) pMBBuffer->pDrawable))
- {
- (*pScreen->DestroyPixmap) ((PixmapPtr) pMBBuffer->pDrawable);
- break;
- }
- pMBBuffer->pDrawable->id = ids[i];
-
- /*
- * In the description of the CreateImageBuffers request:
- * "If the window is mapped, or if these image buffers have
- * backing store, their contents will be tiled with the window
- * background, and zero or more expose events will be generated
- * for each of these buffers."
- */
-
- (* MB_SCREEN_PRIV(pScreen)->ClearImageBufferArea)
- (pMBBuffer, 0,0, 0,0, TRUE);
- }
-
- return i;
-}
-
-/*
- * set up the gc to clear the pixmaps;
- */
-static Bool
-SetupBackgroundPainter (pWin, pGC)
- WindowPtr pWin;
- GCPtr pGC;
-{
- XID gcvalues[4];
- int ts_x_origin, ts_y_origin;
- PixUnion background;
- int backgroundState;
- Mask gcmask;
-
- /*
- * First take care of any ParentRelative stuff by altering the
- * tile/stipple origin to match the coordinates of the upper-left
- * corner of the first ancestor without a ParentRelative background.
- * This coordinate is, of course, negative.
- */
-
- ts_x_origin = ts_y_origin = 0;
- while (pWin->backgroundState == ParentRelative) {
- ts_x_origin -= pWin->origin.x;
- ts_y_origin -= pWin->origin.y;
- pWin = pWin->parent;
- }
- backgroundState = pWin->backgroundState;
- background = pWin->background;
-
- switch (backgroundState)
- {
- case BackgroundPixel:
- gcvalues[0] = (XID) background.pixel;
- gcvalues[1] = FillSolid;
- gcmask = GCForeground|GCFillStyle;
- break;
-
- case BackgroundPixmap:
- gcvalues[0] = FillTiled;
- gcvalues[1] = (XID) background.pixmap;
- gcvalues[2] = ts_x_origin;
- gcvalues[3] = ts_y_origin;
- gcmask = GCFillStyle|GCTile|GCTileStipXOrigin|GCTileStipYOrigin;
- break;
-
- default:
- return FALSE;
- }
- DoChangeGC(pGC, gcmask, gcvalues, TRUE);
- return TRUE;
-}
-
-static void
-MultibufferPaintBackgroundRectangles(pWin, pDrawable, nrects, pRects)
- WindowPtr pWin;
- DrawablePtr pDrawable;
- int nrects;
- xRectangle *pRects;
-{
- GCPtr pGC;
-
- pGC = GetScratchGC (pWin->drawable.depth, pWin->drawable.pScreen);
- if (SetupBackgroundPainter(pWin, pGC))
- {
- ValidateGC(pDrawable, pGC);
- (*pGC->ops->PolyFillRect) (pDrawable, pGC, nrects, pRects);
- }
- FreeScratchGC(pGC);
-}
-
-static void
-MultibufferPaintBackgroundRegion(pWin, pDrawable, pRegion)
- WindowPtr pWin;
- DrawablePtr pDrawable;
- RegionPtr pRegion;
-{
- xRectangle *pRects;
- int nrects = REGION_NUM_RECTS(pRegion);
- BoxPtr pbox = REGION_RECTS(pRegion);
-
- pRects = xalloc(nrects * sizeof(xRectangle));
- if (pRects)
- {
- int i;
- for (i = 0; i < nrects; i++)
- {
- pRects[i].x = pbox->x1;
- pRects[i].y = pbox->y1;
- pRects[i].width = pbox->x2 - pbox->x1;
- pRects[i].height = pbox->y2 - pbox->y1;
- }
- MultibufferPaintBackgroundRectangles(pWin, pDrawable, nrects, pRects);
- xfree(pRects);
- }
-}
-
-static void
-pixDisplayImageBuffers(pScreen, ppMBWindow, ppMBBuffer, nbuf)
- mbufBufferPtr *ppMBBuffer;
- mbufWindowPtr *ppMBWindow;
- int nbuf;
-{
- GCPtr pGC = NULL;
- PixmapPtr pPrevPixmap, pNewPixmap;
- WindowPtr pWin;
- RegionPtr pExposed;
- int i;
- mbufBufferPtr pPrevMBBuffer;
- XID bool;
- xRectangle r;
-
- UpdateCurrentTime ();
- for (i = 0; i < nbuf; i++)
- {
- pWin = ppMBWindow[i]->pWindow;
-
- /* Time to get a different scratch GC? */
-
- if (!pGC
- || pGC->depth != pWin->drawable.depth
- || pGC->pScreen != pWin->drawable.pScreen)
- {
- if (pGC) FreeScratchGC(pGC);
- pGC = GetScratchGC (pWin->drawable.depth, pWin->drawable.pScreen);
- }
- pPrevMBBuffer = MB_DISPLAYED_BUFFER(ppMBWindow[i]);
- pPrevPixmap = (PixmapPtr) pPrevMBBuffer->pDrawable;
- pNewPixmap = (PixmapPtr) ppMBBuffer[i]->pDrawable;
-
- if (pPrevPixmap == pNewPixmap)
- {
- /* "If a specified buffer is already displayed, any delays and
- * update action will still be performed for that buffer."
- *
- * We special-case this because applications do occasionally
- * request a redundant DisplayImageBuffers, and we can save
- * strokes by recognizing that the only update action that will
- * change the buffer contents in this case is Background.
- */
- if (ppMBWindow[i]->updateAction == MultibufferUpdateActionBackground)
- {
- r.x = r.y = 0;
- r.width = pWin->drawable.width;
- r.height = pWin->drawable.height;
- MultibufferPaintBackgroundRectangles(pWin, (DrawablePtr)pWin,
- 1, &r);
- }
- }
- else /* different buffer is being displayed */
- {
- /* perform update action */
-
- switch (ppMBWindow[i]->updateAction)
- {
- case MultibufferUpdateActionUndefined:
- break;
-
- case MultibufferUpdateActionBackground:
-
- r.x = r.y = 0;
- r.width = pPrevPixmap->drawable.width;
- r.height = pPrevPixmap->drawable.height;
- MultibufferPaintBackgroundRectangles(pWin,
- (DrawablePtr)pPrevPixmap,
- 1, &r);
- break;
-
- case MultibufferUpdateActionUntouched:
-
- /* copy the window to the pixmap that represents the
- * currently displayed buffer
- */
-
- if (pPrevMBBuffer->eventMask & ExposureMask)
- {
- bool = TRUE;
- DoChangeGC (pGC, GCGraphicsExposures, &bool, FALSE);
- }
- ValidateGC ((DrawablePtr)pPrevPixmap, pGC);
- pExposed = (*pGC->ops->CopyArea)((DrawablePtr) pWin,
- (DrawablePtr) pPrevPixmap,
- pGC,
- 0, 0,
- pWin->drawable.width,
- pWin->drawable.height,
- 0, 0);
-
- /* if we couldn't copy the whole window to the buffer,
- * send expose events (if any client wants them)
- */
-
- if (pPrevMBBuffer->eventMask & ExposureMask)
- { /* some client wants expose events */
- if (pExposed)
- {
- RegionPtr pWinSize;
- extern RegionPtr CreateUnclippedWinSize();
- ScreenPtr pScreen = pWin->drawable.pScreen;
- pWinSize = CreateUnclippedWinSize (pWin);
- /*
- * pExposed is window-relative, but at this point
- * pWinSize is screen-relative. Make pWinSize be
- * window-relative so that region ops involving
- * pExposed and pWinSize behave sensibly.
- */
- REGION_TRANSLATE(pScreen, pWinSize,
- -pWin->drawable.x,
- -pWin->drawable.y);
- REGION_INTERSECT(pScreen, pExposed, pExposed, pWinSize);
- REGION_DESTROY(pScreen, pWinSize);
- MultibufferExpose (pPrevMBBuffer, pExposed);
- REGION_DESTROY(pScreen, pExposed);
- }
- bool = FALSE;
- DoChangeGC (pGC, GCGraphicsExposures, &bool, FALSE);
- } /* end some client wants expose events */
-
- break; /* end case MultibufferUpdateActionUntouched */
-
- case MultibufferUpdateActionCopied:
-
- ValidateGC ((DrawablePtr)pPrevPixmap, pGC);
- (*pGC->ops->CopyArea) ((DrawablePtr)pNewPixmap,
- (DrawablePtr)pPrevPixmap, pGC,
- 0, 0, pWin->drawable.width,
- pWin->drawable.height, 0, 0);
- break;
-
- } /* end switch on update action */
-
- /* display the new buffer */
-
- ValidateGC ((DrawablePtr)pWin, pGC);
- (*pGC->ops->CopyArea) ((DrawablePtr)pNewPixmap, (DrawablePtr)pWin,
- pGC, 0, 0,
- pWin->drawable.width, pWin->drawable.height,
- 0, 0);
- }
-
- ppMBWindow[i]->lastUpdate = currentTime;
- }
-
- if (pGC) FreeScratchGC (pGC);
- return;
-}
-
-/*
- * resize the buffers when the window is resized
- */
-
-static Bool
-pixPositionWindow (pWin, x, y)
- WindowPtr pWin;
- int x, y;
-{
- ScreenPtr pScreen;
- mbufPixmapPrivPtr pMBPriv;
- mbufWindowPtr pMBWindow;
- mbufBufferPtr pMBBuffer;
- int width, height;
- int i;
- int dx, dy, dw, dh;
- int sourcex, sourcey;
- int destx, desty;
- PixmapPtr pPixmap;
- GCPtr pGC;
- int savewidth, saveheight;
- Bool clear;
- RegionRec exposedRegion;
- Bool ret;
-
- pScreen = pWin->drawable.pScreen;
- pMBPriv = MB_SCREEN_PRIV_PIXMAP(pScreen);
-
- UNWRAP_SCREEN_FUNC(pScreen, pMBPriv, Bool, PositionWindow);
- ret = (* pScreen->PositionWindow) (pWin, x, y);
- REWRAP_SCREEN_FUNC(pScreen, pMBPriv, Bool, PositionWindow);
-
- if (!(pMBWindow = MB_WINDOW_PRIV(pWin)))
- return ret;
-
- /* if new size is same as old, we're done */
-
- if (pMBWindow->width == pWin->drawable.width &&
- pMBWindow->height == pWin->drawable.height)
- return ret;
-
- width = pWin->drawable.width;
- height = pWin->drawable.height;
- dx = pWin->drawable.x - pMBWindow->x;
- dy = pWin->drawable.x - pMBWindow->y;
- dw = width - pMBWindow->width;
- dh = height - pMBWindow->height;
- GravityTranslate (0, 0, -dx, -dy, dw, dh,
- pWin->bitGravity, &destx, &desty);
-
- /* if the window grew, remember to paint the window background,
- * and maybe send expose events, for the new areas of the buffers
- */
-
- clear = pMBWindow->width < width || pMBWindow->height < height ||
- pWin->bitGravity == ForgetGravity;
-
- sourcex = 0;
- sourcey = 0;
- savewidth = pMBWindow->width;
- saveheight = pMBWindow->height;
- /* clip rectangle to source and destination */
- if (destx < 0)
- {
- savewidth += destx;
- sourcex -= destx;
- destx = 0;
- }
- if (destx + savewidth > width)
- savewidth = width - destx;
- if (desty < 0)
- {
- saveheight += desty;
- sourcey -= desty;
- desty = 0;
- }
- if (desty + saveheight > height)
- saveheight = height - desty;
-
- pMBWindow->width = width;
- pMBWindow->height = height;
- pMBWindow->x = pWin->drawable.x;
- pMBWindow->y = pWin->drawable.y;
-
- if (clear)
- {
- BoxRec box;
-
- box.x1 = box.y1 = 0;
- box.x2 = width;
- box.y2 = height;
- REGION_INIT(pScreen, &exposedRegion, &box, 1);
- if (pWin->bitGravity != ForgetGravity)
- {
- RegionRec preservedRegion;
- box.x1 = destx;
- box.y1 = desty;
- box.x2 = destx + savewidth;
- box.y2 = desty + saveheight;
- REGION_INIT(pScreen, &preservedRegion, &box, 1);
- REGION_SUBTRACT(pScreen, &exposedRegion, &exposedRegion, &preservedRegion);
- REGION_UNINIT(pScreen, &preservedRegion);
- }
-
- } /* end if (clear) */
-
- pGC = GetScratchGC (pWin->drawable.depth, pScreen);
-
- /* create buffers with new window size */
-
- for (i = 0; i < pMBWindow->numMultibuffer; i++)
- {
- pMBBuffer = &pMBWindow->buffers[i];
- pPixmap = (*pScreen->CreatePixmap) (pScreen, width, height, pWin->drawable.depth,
- CREATE_PIXMAP_USAGE_SCRATCH);
- if (!pPixmap)
- {
- (* MB_SCREEN_PRIV(pScreen)->DestroyImageBuffers)(pWin);
- break;
- }
- if (clear)
- {
- MultibufferPaintBackgroundRegion(pWin, (DrawablePtr)pPixmap, &exposedRegion);
- MultibufferExpose(pMBBuffer, &exposedRegion);
- }
- if (pWin->bitGravity != ForgetGravity)
- {
- ValidateGC ((DrawablePtr)pPixmap, pGC);
- (*pGC->ops->CopyArea) (pMBBuffer->pDrawable, (DrawablePtr)pPixmap,
- pGC,
- sourcex, sourcey, savewidth, saveheight,
- destx, desty);
- }
- pPixmap->drawable.id = pMBBuffer->pDrawable->id;
- (*pScreen->DestroyPixmap) ((PixmapPtr) pMBBuffer->pDrawable);
- pMBBuffer->pDrawable = (DrawablePtr) pPixmap;
- if (i != pMBWindow->displayedMultibuffer)
- {
- ChangeResourceValue (pPixmap->drawable.id,
- MultibufferDrawableResType,
- (pointer) pPixmap);
- }
- }
- FreeScratchGC (pGC);
- if (clear)
- REGION_UNINIT(pScreen, &exposedRegion);
- return TRUE;
-}
-
-static void
-pixWrapScreenFuncs(pScreen)
- ScreenPtr pScreen;
-{
- mbufPixmapPrivPtr pMBPriv = MB_SCREEN_PRIV_PIXMAP(pScreen);
- WRAP_SCREEN_FUNC(pScreen, pMBPriv, PositionWindow, pixPositionWindow);
-}
-
-static void
-pixResetProc(pScreen)
- ScreenPtr pScreen;
-{
- mbufScreenPtr pMBScreen = MB_SCREEN_PRIV(pScreen);
- mbufPixmapPrivPtr pMBPriv = MB_SCREEN_PRIV_PIXMAP(pScreen);
-
- xfree(pMBScreen->pInfo);
- xfree(pMBPriv);
-}
-
-static void
-pixClearImageBufferArea(pMBBuffer, x,y, width,height, exposures)
- mbufBufferPtr pMBBuffer;
- short x, y;
- unsigned short width, height;
- Bool exposures;
-{
- WindowPtr pWin;
- ScreenPtr pScreen;
- BoxRec box;
- RegionRec region;
- int w_width, w_height;
- DrawablePtr pDrawable;
-
- pWin = pMBBuffer->pMBWindow->pWindow;
- pScreen = pWin->drawable.pScreen;
-
- w_width = pWin->drawable.width;
- w_height = pWin->drawable.height;
-
- box.x1 = x;
- box.y1 = y;
- box.x2 = width ? (box.x1 + width) : w_width;
- box.y2 = height ? (box.y1 + height) : w_height;
-
- if (box.x1 < 0) box.x1 = 0;
- if (box.y1 < 0) box.y1 = 0;
- if (box.x2 > w_width) box.x2 = w_width;
- if (box.y2 > w_height) box.y2 = w_height;
-
- REGION_INIT(pScreen, &region, &box, 1);
-
- if (pMBBuffer->number == pMBBuffer->pMBWindow->displayedMultibuffer)
- pDrawable = (DrawablePtr) pWin;
- else
- pDrawable = pMBBuffer->pDrawable;
-
- MultibufferPaintBackgroundRegion(pWin, pDrawable, &region);
-
- if (exposures)
- MultibufferExpose(pMBBuffer, &region);
-
- REGION_UNINIT(pScreen, &region);
-}
-
-static void
-pixDeleteBufferDrawable(pDrawable)
- DrawablePtr pDrawable;
-{
- (* pDrawable->pScreen->DestroyPixmap)((PixmapPtr) pDrawable);
-}
diff --git a/Xext/sync.c b/Xext/sync.c
index ce65314..990cb67 100644
--- a/Xext/sync.c
+++ b/Xext/sync.c
@@ -2174,7 +2174,7 @@ static XSyncValue *pnext_time;
/*
*** Server Block Handler
-*** code inspired by multibuffer extension
+*** code inspired by multibuffer extension (now deprecated)
*/
/*ARGSUSED*/
static void
diff --git a/Xext/xtest.c b/Xext/xtest.c
index 5af2b5c..a1aacc4 100644
--- a/Xext/xtest.c
+++ b/Xext/xtest.c
@@ -357,7 +357,8 @@ ProcXTestFakeInput(ClientPtr client)
activateTime.milliseconds = ms;
ev->u.keyButtonPointer.time = 0;
- /* see mbuf.c:QueueDisplayRequest for code similar to this */
+ /* see mbuf.c:QueueDisplayRequest (from the deprecated Multibuffer
+ * extension) for code similar to this */
if (!ClientSleepUntil(client, &activateTime, NULL, NULL))
{
diff --git a/configure.ac b/configure.ac
index b1d5119..b48d3a9 100644
--- a/configure.ac
+++ b/configure.ac
@@ -632,7 +632,6 @@ AC_ARG_ENABLE(xselinux, AS_HELP_STRING([--disable-xselinux], [Build SELinu
AC_ARG_ENABLE(xcsecurity, AS_HELP_STRING([--disable-xcsecurity], [Build Security extension (default: disabled)]), [XCSECURITY=$enableval], [XCSECURITY=no])
AC_ARG_ENABLE(xcalibrate, AS_HELP_STRING([--enable-xcalibrate], [Build XCalibrate extension (default: disabled)]), [XCALIBRATE=$enableval], [XCALIBRATE=no])
AC_ARG_ENABLE(tslib, AS_HELP_STRING([--enable-tslib], [Build kdrive tslib touchscreen support (default: disabled)]), [TSLIB=$enableval], [TSLIB=no])
-AC_ARG_ENABLE(multibuffer, AS_HELP_STRING([--enable-multibuffer], [Build Multibuffer extension (default: disabled)]), [MULTIBUFFER=$enableval], [MULTIBUFFER=no])
AC_ARG_ENABLE(dbe, AS_HELP_STRING([--disable-dbe], [Build DBE extension (default: enabled)]), [DBE=$enableval], [DBE=yes])
AC_ARG_ENABLE(xf86bigfont, AS_HELP_STRING([--disable-xf86bigfont], [Build XF86 Big Font extension (default: disabled)]), [XF86BIGFONT=$enableval], [XF86BIGFONT=no])
AC_ARG_ENABLE(dpms, AS_HELP_STRING([--disable-dpms], [Build DPMS extension (default: enabled)]), [DPMSExtension=$enableval], [DPMSExtension=yes])
@@ -1095,12 +1094,6 @@ if test "x$XCSECURITY" = xyes; then
AC_DEFINE(XCSECURITY, 1, [Build Security extension])
fi
-AM_CONDITIONAL(MULTIBUFFER, [test "x$MULTIBUFFER" = xyes])
-if test "x$MULTIBUFFER" = xyes; then
- AC_DEFINE(MULTIBUFFER, 1, [Build Multibuffer extension])
- # Requires xextproto which is always required
-fi
-
AM_CONDITIONAL(DBE, [test "x$DBE" = xyes])
if test "x$DBE" = xyes; then
AC_DEFINE(DBE, 1, [Support DBE extension])
diff --git a/hw/xfree86/dixmods/extmod/modinit.c b/hw/xfree86/dixmods/extmod/modinit.c
index 2995625..7d20868 100644
--- a/hw/xfree86/dixmods/extmod/modinit.c
+++ b/hw/xfree86/dixmods/extmod/modinit.c
@@ -47,15 +47,6 @@ static ExtensionModule extensionModules[] = {
NULL
},
#endif
-#ifdef MULTIBUFFER
- {
- MultibufferExtensionInit,
- MULTIBUFFER_PROTOCOL_NAME,
- &noMultibufferExtension,
- NULL,
- NULL
- },
-#endif
#ifdef SCREENSAVER
{
ScreenSaverExtensionInit,
diff --git a/hw/xfree86/dixmods/extmod/modinit.h b/hw/xfree86/dixmods/extmod/modinit.h
index 6210526..1154e46 100644
--- a/hw/xfree86/dixmods/extmod/modinit.h
+++ b/hw/xfree86/dixmods/extmod/modinit.h
@@ -9,11 +9,6 @@
#include <X11/extensions/shapeproto.h>
-#ifdef MULTIBUFFER
-extern void MultibufferExtensionInit(INITARGS);
-#include <X11/extensions/multibufproto.h>
-#endif
-
#ifdef XTEST
extern void XTestExtensionInit(INITARGS);
#include <X11/extensions/xtestproto.h>
diff --git a/include/dix-config.h.in b/include/dix-config.h.in
index 058c8fd..9aff613 100644
--- a/include/dix-config.h.in
+++ b/include/dix-config.h.in
@@ -360,9 +360,6 @@
/* Support Xv extension */
#undef XV
-/* Build Multibuffer extension */
-#undef MULTIBUFFER
-
/* Support DRI extension */
#undef XF86DRI
diff --git a/include/globals.h b/include/globals.h
index 52c19a4..82e86c3 100644
--- a/include/globals.h
+++ b/include/globals.h
@@ -69,10 +69,6 @@ extern _X_EXPORT Bool noScreenSaverExtension;
extern _X_EXPORT Bool noMITShmExtension;
#endif
-#ifdef MULTIBUFFER
-extern _X_EXPORT Bool noMultibufferExtension;
-#endif
-
#ifdef RANDR
extern _X_EXPORT Bool noRRExtension;
#endif
diff --git a/mi/miinitext.c b/mi/miinitext.c
index 692be86..a8674a0 100644
--- a/mi/miinitext.c
+++ b/mi/miinitext.c
@@ -55,7 +55,6 @@ SOFTWARE.
#ifdef HAVE_DMX_CONFIG_H
#include <dmx-config.h>
-#undef MULTIBUFFER
#undef XV
#undef DBE
#undef XF86VIDMODE
@@ -116,9 +115,6 @@ extern Bool noScreenSaverExtension;
#ifdef MITSHM
extern Bool noMITShmExtension;
#endif
-#ifdef MULTIBUFFER
-extern Bool noMultibufferExtension;
-#endif
#ifdef RANDR
extern Bool noRRExtension;
#endif
@@ -195,9 +191,6 @@ typedef void (*InitExtension)(INITARGS);
#ifdef MITSHM
extern void ShmExtensionInit(INITARGS);
#endif
-#ifdef MULTIBUFFER
-extern void MultibufferExtensionInit(INITARGS);
-#endif
#ifdef PANORAMIX
extern void PanoramiXExtensionInit(INITARGS);
#endif
@@ -308,9 +301,6 @@ static ExtensionToggle ExtensionToggleList[] =
#ifdef MITSHM
{ SHMNAME, &noMITShmExtension },
#endif
-#ifdef MULTIBUFFER
- { "Multi-Buffering", &noMultibufferExtension },
-#endif
#ifdef RANDR
{ "RANDR", &noRRExtension },
#endif
@@ -416,9 +406,6 @@ InitExtensions(int argc, char *argv[])
#ifdef MITSHM
if (!noMITShmExtension) ShmExtensionInit();
#endif
-#ifdef MULTIBUFFER
- if (!noMultibufferExtension) MultibufferExtensionInit();
-#endif
XInputExtensionInit();
#ifdef XTEST
if (!noTestExtensions) XTestExtensionInit();
diff --git a/os/utils.c b/os/utils.c
index 13d3b3f..127b47b 100644
--- a/os/utils.c
+++ b/os/utils.c
@@ -148,9 +148,6 @@ Bool noScreenSaverExtension = FALSE;
#ifdef MITSHM
Bool noMITShmExtension = FALSE;
#endif
-#ifdef MULTIBUFFER
-Bool noMultibufferExtension = FALSE;
-#endif
#ifdef RANDR
Bool noRRExtension = FALSE;
#endif