1292 lines
38 KiB
C
1292 lines
38 KiB
C
/*****************************************************************
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Copyright (c) 1991, 1997 Digital Equipment Corporation, Maynard, Massachusetts.
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Permission is hereby granted, free of charge, to any person obtaining a copy
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of this software and associated documentation files (the "Software"), to deal
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in the Software without restriction, including without limitation the rights
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to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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copies of the Software.
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The above copyright notice and this permission notice shall be included in
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all copies or substantial portions of the Software.
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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DIGITAL EQUIPMENT CORPORATION BE LIABLE FOR ANY CLAIM, DAMAGES, INCLUDING,
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BUT NOT LIMITED TO CONSEQUENTIAL OR INCIDENTAL DAMAGES, OR OTHER LIABILITY,
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WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR
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IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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Except as contained in this notice, the name of Digital Equipment Corporation
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shall not be used in advertising or otherwise to promote the sale, use or other
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dealings in this Software without prior written authorization from Digital
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Equipment Corporation.
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******************************************************************/
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#ifdef HAVE_DIX_CONFIG_H
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#include <dix-config.h>
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#endif
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#ifdef HAVE_DMX_CONFIG_H
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#include <dmx-config.h>
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#endif
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#include <stdio.h>
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#include <X11/X.h>
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#include <X11/Xproto.h>
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#include <X11/Xarch.h>
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#include "misc.h"
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#include "cursor.h"
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#include "cursorstr.h"
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#include "extnsionst.h"
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#include "dixstruct.h"
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#include "gc.h"
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#include "gcstruct.h"
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#include "scrnintstr.h"
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#include "window.h"
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#include "windowstr.h"
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#include "pixmapstr.h"
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#include "panoramiX.h"
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#include <X11/extensions/panoramiXproto.h>
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#include "panoramiXsrv.h"
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#include "globals.h"
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#include "servermd.h"
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#include "resource.h"
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#include "picturestr.h"
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#ifdef XFIXES
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#include "xfixesint.h"
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#endif
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#ifdef COMPOSITE
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#include "compint.h"
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#endif
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#include "modinit.h"
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#include "protocol-versions.h"
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#ifdef GLXPROXY
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extern VisualPtr glxMatchVisual(ScreenPtr pScreen,
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VisualPtr pVisual, ScreenPtr pMatchScreen);
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#endif
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/*
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* PanoramiX data declarations
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*/
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int PanoramiXPixWidth = 0;
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int PanoramiXPixHeight = 0;
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int PanoramiXNumScreens = 0;
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static RegionRec PanoramiXScreenRegion = { {0, 0, 0, 0}, NULL };
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static int PanoramiXNumDepths;
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static DepthPtr PanoramiXDepths;
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static int PanoramiXNumVisuals;
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static VisualPtr PanoramiXVisuals;
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RESTYPE XRC_DRAWABLE;
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RESTYPE XRT_WINDOW;
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RESTYPE XRT_PIXMAP;
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RESTYPE XRT_GC;
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RESTYPE XRT_COLORMAP;
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static Bool VisualsEqual(VisualPtr, ScreenPtr, VisualPtr);
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XineramaVisualsEqualProcPtr XineramaVisualsEqualPtr = &VisualsEqual;
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/*
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* Function prototypes
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*/
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static int panoramiXGeneration;
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static int ProcPanoramiXDispatch(ClientPtr client);
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static void PanoramiXResetProc(ExtensionEntry *);
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/*
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* External references for functions and data variables
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*/
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#include "panoramiXh.h"
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int (*SavedProcVector[256]) (ClientPtr client) = {
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NULL,};
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static DevPrivateKeyRec PanoramiXGCKeyRec;
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#define PanoramiXGCKey (&PanoramiXGCKeyRec)
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static DevPrivateKeyRec PanoramiXScreenKeyRec;
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#define PanoramiXScreenKey (&PanoramiXScreenKeyRec)
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typedef struct {
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DDXPointRec clipOrg;
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DDXPointRec patOrg;
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GCFuncs *wrapFuncs;
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} PanoramiXGCRec, *PanoramiXGCPtr;
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typedef struct {
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CreateGCProcPtr CreateGC;
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CloseScreenProcPtr CloseScreen;
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} PanoramiXScreenRec, *PanoramiXScreenPtr;
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static void XineramaValidateGC(GCPtr, unsigned long, DrawablePtr);
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static void XineramaChangeGC(GCPtr, unsigned long);
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static void XineramaCopyGC(GCPtr, unsigned long, GCPtr);
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static void XineramaDestroyGC(GCPtr);
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static void XineramaChangeClip(GCPtr, int, pointer, int);
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static void XineramaDestroyClip(GCPtr);
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static void XineramaCopyClip(GCPtr, GCPtr);
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static GCFuncs XineramaGCFuncs = {
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XineramaValidateGC, XineramaChangeGC, XineramaCopyGC, XineramaDestroyGC,
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XineramaChangeClip, XineramaDestroyClip, XineramaCopyClip
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};
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#define Xinerama_GC_FUNC_PROLOGUE(pGC)\
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PanoramiXGCPtr pGCPriv = (PanoramiXGCPtr) \
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dixLookupPrivate(&(pGC)->devPrivates, PanoramiXGCKey); \
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(pGC)->funcs = pGCPriv->wrapFuncs;
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#define Xinerama_GC_FUNC_EPILOGUE(pGC)\
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pGCPriv->wrapFuncs = (pGC)->funcs;\
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(pGC)->funcs = &XineramaGCFuncs;
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static Bool
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XineramaCloseScreen(int i, ScreenPtr pScreen)
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{
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PanoramiXScreenPtr pScreenPriv = (PanoramiXScreenPtr)
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dixLookupPrivate(&pScreen->devPrivates, PanoramiXScreenKey);
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pScreen->CloseScreen = pScreenPriv->CloseScreen;
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pScreen->CreateGC = pScreenPriv->CreateGC;
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if (pScreen->myNum == 0)
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RegionUninit(&PanoramiXScreenRegion);
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free((pointer) pScreenPriv);
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return (*pScreen->CloseScreen) (i, pScreen);
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}
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static Bool
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XineramaCreateGC(GCPtr pGC)
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{
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ScreenPtr pScreen = pGC->pScreen;
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PanoramiXScreenPtr pScreenPriv = (PanoramiXScreenPtr)
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dixLookupPrivate(&pScreen->devPrivates, PanoramiXScreenKey);
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Bool ret;
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pScreen->CreateGC = pScreenPriv->CreateGC;
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if ((ret = (*pScreen->CreateGC) (pGC))) {
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PanoramiXGCPtr pGCPriv = (PanoramiXGCPtr)
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dixLookupPrivate(&pGC->devPrivates, PanoramiXGCKey);
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pGCPriv->wrapFuncs = pGC->funcs;
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pGC->funcs = &XineramaGCFuncs;
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pGCPriv->clipOrg.x = pGC->clipOrg.x;
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pGCPriv->clipOrg.y = pGC->clipOrg.y;
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pGCPriv->patOrg.x = pGC->patOrg.x;
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pGCPriv->patOrg.y = pGC->patOrg.y;
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}
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pScreen->CreateGC = XineramaCreateGC;
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return ret;
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}
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static void
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XineramaValidateGC(GCPtr pGC, unsigned long changes, DrawablePtr pDraw)
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{
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Xinerama_GC_FUNC_PROLOGUE(pGC);
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if ((pDraw->type == DRAWABLE_WINDOW) && !(((WindowPtr) pDraw)->parent)) {
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/* the root window */
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int x_off = pGC->pScreen->x;
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int y_off = pGC->pScreen->y;
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int new_val;
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new_val = pGCPriv->clipOrg.x - x_off;
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if (pGC->clipOrg.x != new_val) {
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pGC->clipOrg.x = new_val;
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changes |= GCClipXOrigin;
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}
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new_val = pGCPriv->clipOrg.y - y_off;
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if (pGC->clipOrg.y != new_val) {
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pGC->clipOrg.y = new_val;
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changes |= GCClipYOrigin;
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}
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new_val = pGCPriv->patOrg.x - x_off;
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if (pGC->patOrg.x != new_val) {
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pGC->patOrg.x = new_val;
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changes |= GCTileStipXOrigin;
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}
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new_val = pGCPriv->patOrg.y - y_off;
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if (pGC->patOrg.y != new_val) {
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pGC->patOrg.y = new_val;
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changes |= GCTileStipYOrigin;
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}
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}
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else {
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if (pGC->clipOrg.x != pGCPriv->clipOrg.x) {
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pGC->clipOrg.x = pGCPriv->clipOrg.x;
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changes |= GCClipXOrigin;
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}
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if (pGC->clipOrg.y != pGCPriv->clipOrg.y) {
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pGC->clipOrg.y = pGCPriv->clipOrg.y;
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changes |= GCClipYOrigin;
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}
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if (pGC->patOrg.x != pGCPriv->patOrg.x) {
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pGC->patOrg.x = pGCPriv->patOrg.x;
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changes |= GCTileStipXOrigin;
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}
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if (pGC->patOrg.y != pGCPriv->patOrg.y) {
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pGC->patOrg.y = pGCPriv->patOrg.y;
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changes |= GCTileStipYOrigin;
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}
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}
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(*pGC->funcs->ValidateGC) (pGC, changes, pDraw);
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Xinerama_GC_FUNC_EPILOGUE(pGC);
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}
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static void
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XineramaDestroyGC(GCPtr pGC)
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{
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Xinerama_GC_FUNC_PROLOGUE(pGC);
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(*pGC->funcs->DestroyGC) (pGC);
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Xinerama_GC_FUNC_EPILOGUE(pGC);
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}
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static void
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XineramaChangeGC(GCPtr pGC, unsigned long mask)
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{
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Xinerama_GC_FUNC_PROLOGUE(pGC);
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if (mask & GCTileStipXOrigin)
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pGCPriv->patOrg.x = pGC->patOrg.x;
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if (mask & GCTileStipYOrigin)
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pGCPriv->patOrg.y = pGC->patOrg.y;
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if (mask & GCClipXOrigin)
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pGCPriv->clipOrg.x = pGC->clipOrg.x;
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if (mask & GCClipYOrigin)
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pGCPriv->clipOrg.y = pGC->clipOrg.y;
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(*pGC->funcs->ChangeGC) (pGC, mask);
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Xinerama_GC_FUNC_EPILOGUE(pGC);
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}
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static void
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XineramaCopyGC(GCPtr pGCSrc, unsigned long mask, GCPtr pGCDst)
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{
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PanoramiXGCPtr pSrcPriv = (PanoramiXGCPtr)
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dixLookupPrivate(&pGCSrc->devPrivates, PanoramiXGCKey);
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Xinerama_GC_FUNC_PROLOGUE(pGCDst);
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if (mask & GCTileStipXOrigin)
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pGCPriv->patOrg.x = pSrcPriv->patOrg.x;
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if (mask & GCTileStipYOrigin)
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pGCPriv->patOrg.y = pSrcPriv->patOrg.y;
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if (mask & GCClipXOrigin)
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pGCPriv->clipOrg.x = pSrcPriv->clipOrg.x;
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if (mask & GCClipYOrigin)
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pGCPriv->clipOrg.y = pSrcPriv->clipOrg.y;
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(*pGCDst->funcs->CopyGC) (pGCSrc, mask, pGCDst);
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Xinerama_GC_FUNC_EPILOGUE(pGCDst);
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}
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static void
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XineramaChangeClip(GCPtr pGC, int type, pointer pvalue, int nrects)
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{
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Xinerama_GC_FUNC_PROLOGUE(pGC);
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(*pGC->funcs->ChangeClip) (pGC, type, pvalue, nrects);
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Xinerama_GC_FUNC_EPILOGUE(pGC);
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}
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static void
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XineramaCopyClip(GCPtr pgcDst, GCPtr pgcSrc)
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{
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Xinerama_GC_FUNC_PROLOGUE(pgcDst);
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(*pgcDst->funcs->CopyClip) (pgcDst, pgcSrc);
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Xinerama_GC_FUNC_EPILOGUE(pgcDst);
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}
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static void
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XineramaDestroyClip(GCPtr pGC)
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{
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Xinerama_GC_FUNC_PROLOGUE(pGC);
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(*pGC->funcs->DestroyClip) (pGC);
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Xinerama_GC_FUNC_EPILOGUE(pGC);
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}
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int
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XineramaDeleteResource(pointer data, XID id)
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{
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free(data);
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return 1;
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}
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typedef struct {
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int screen;
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int id;
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} PanoramiXSearchData;
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static Bool
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XineramaFindIDByScrnum(pointer resource, XID id, pointer privdata)
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{
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PanoramiXRes *res = (PanoramiXRes *) resource;
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PanoramiXSearchData *data = (PanoramiXSearchData *) privdata;
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return res->info[data->screen].id == data->id;
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}
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PanoramiXRes *
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PanoramiXFindIDByScrnum(RESTYPE type, XID id, int screen)
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{
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PanoramiXSearchData data;
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pointer val;
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if (!screen) {
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dixLookupResourceByType(&val, id, type, serverClient, DixReadAccess);
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return val;
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}
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data.screen = screen;
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data.id = id;
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return LookupClientResourceComplex(clients[CLIENT_ID(id)], type,
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XineramaFindIDByScrnum, &data);
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}
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typedef struct _connect_callback_list {
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void (*func) (void);
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struct _connect_callback_list *next;
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} XineramaConnectionCallbackList;
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static XineramaConnectionCallbackList *ConnectionCallbackList = NULL;
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Bool
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XineramaRegisterConnectionBlockCallback(void (*func) (void))
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{
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XineramaConnectionCallbackList *newlist;
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if (!(newlist = malloc(sizeof(XineramaConnectionCallbackList))))
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return FALSE;
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newlist->next = ConnectionCallbackList;
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newlist->func = func;
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ConnectionCallbackList = newlist;
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return TRUE;
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}
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static void
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XineramaInitData(void)
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{
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int i, w, h;
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RegionNull(&PanoramiXScreenRegion);
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FOR_NSCREENS(i) {
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BoxRec TheBox;
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RegionRec ScreenRegion;
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ScreenPtr pScreen = screenInfo.screens[i];
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TheBox.x1 = pScreen->x;
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TheBox.x2 = TheBox.x1 + pScreen->width;
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TheBox.y1 = pScreen->y;
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TheBox.y2 = TheBox.y1 + pScreen->height;
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RegionInit(&ScreenRegion, &TheBox, 1);
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RegionUnion(&PanoramiXScreenRegion, &PanoramiXScreenRegion,
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&ScreenRegion);
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RegionUninit(&ScreenRegion);
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}
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PanoramiXPixWidth = screenInfo.screens[0]->x + screenInfo.screens[0]->width;
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PanoramiXPixHeight =
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screenInfo.screens[0]->y + screenInfo.screens[0]->height;
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FOR_NSCREENS_FORWARD_SKIP(i) {
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ScreenPtr pScreen = screenInfo.screens[i];
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w = pScreen->x + pScreen->width;
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h = pScreen->y + pScreen->height;
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if (PanoramiXPixWidth < w)
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PanoramiXPixWidth = w;
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if (PanoramiXPixHeight < h)
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PanoramiXPixHeight = h;
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}
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}
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void
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XineramaReinitData(void)
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{
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RegionUninit(&PanoramiXScreenRegion);
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XineramaInitData();
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}
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/*
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* PanoramiXExtensionInit():
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* Called from InitExtensions in main().
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* Register PanoramiXeen Extension
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* Initialize global variables.
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*/
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void
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PanoramiXExtensionInit(int argc, char *argv[])
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{
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int i;
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Bool success = FALSE;
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ExtensionEntry *extEntry;
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ScreenPtr pScreen = screenInfo.screens[0];
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PanoramiXScreenPtr pScreenPriv;
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if (noPanoramiXExtension)
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return;
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if (!dixRegisterPrivateKey(&PanoramiXScreenKeyRec, PRIVATE_SCREEN, 0)) {
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noPanoramiXExtension = TRUE;
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return;
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}
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if (!dixRegisterPrivateKey
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(&PanoramiXGCKeyRec, PRIVATE_GC, sizeof(PanoramiXGCRec))) {
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noPanoramiXExtension = TRUE;
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return;
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}
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PanoramiXNumScreens = screenInfo.numScreens;
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if (PanoramiXNumScreens == 1) { /* Only 1 screen */
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noPanoramiXExtension = TRUE;
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return;
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}
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while (panoramiXGeneration != serverGeneration) {
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extEntry = AddExtension(PANORAMIX_PROTOCOL_NAME, 0, 0,
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ProcPanoramiXDispatch,
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SProcPanoramiXDispatch, PanoramiXResetProc,
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StandardMinorOpcode);
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if (!extEntry)
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break;
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/*
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* First make sure all the basic allocations succeed. If not,
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* run in non-PanoramiXeen mode.
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*/
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FOR_NSCREENS(i) {
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pScreen = screenInfo.screens[i];
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pScreenPriv = malloc(sizeof(PanoramiXScreenRec));
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dixSetPrivate(&pScreen->devPrivates, PanoramiXScreenKey,
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pScreenPriv);
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if (!pScreenPriv) {
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noPanoramiXExtension = TRUE;
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return;
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}
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pScreenPriv->CreateGC = pScreen->CreateGC;
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pScreenPriv->CloseScreen = pScreen->CloseScreen;
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pScreen->CreateGC = XineramaCreateGC;
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pScreen->CloseScreen = XineramaCloseScreen;
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}
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XRC_DRAWABLE = CreateNewResourceClass();
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XRT_WINDOW = CreateNewResourceType(XineramaDeleteResource,
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"XineramaWindow");
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if (XRT_WINDOW)
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XRT_WINDOW |= XRC_DRAWABLE;
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XRT_PIXMAP = CreateNewResourceType(XineramaDeleteResource,
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"XineramaPixmap");
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if (XRT_PIXMAP)
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XRT_PIXMAP |= XRC_DRAWABLE;
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XRT_GC = CreateNewResourceType(XineramaDeleteResource, "XineramaGC");
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XRT_COLORMAP = CreateNewResourceType(XineramaDeleteResource,
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"XineramaColormap");
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if (XRT_WINDOW && XRT_PIXMAP && XRT_GC && XRT_COLORMAP) {
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panoramiXGeneration = serverGeneration;
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success = TRUE;
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}
|
|
SetResourceTypeErrorValue(XRT_WINDOW, BadWindow);
|
|
SetResourceTypeErrorValue(XRT_PIXMAP, BadPixmap);
|
|
SetResourceTypeErrorValue(XRT_GC, BadGC);
|
|
SetResourceTypeErrorValue(XRT_COLORMAP, BadColor);
|
|
}
|
|
|
|
if (!success) {
|
|
noPanoramiXExtension = TRUE;
|
|
ErrorF(PANORAMIX_PROTOCOL_NAME " extension failed to initialize\n");
|
|
return;
|
|
}
|
|
|
|
XineramaInitData();
|
|
|
|
/*
|
|
* Put our processes into the ProcVector
|
|
*/
|
|
|
|
for (i = 256; i--;)
|
|
SavedProcVector[i] = ProcVector[i];
|
|
|
|
ProcVector[X_CreateWindow] = PanoramiXCreateWindow;
|
|
ProcVector[X_ChangeWindowAttributes] = PanoramiXChangeWindowAttributes;
|
|
ProcVector[X_DestroyWindow] = PanoramiXDestroyWindow;
|
|
ProcVector[X_DestroySubwindows] = PanoramiXDestroySubwindows;
|
|
ProcVector[X_ChangeSaveSet] = PanoramiXChangeSaveSet;
|
|
ProcVector[X_ReparentWindow] = PanoramiXReparentWindow;
|
|
ProcVector[X_MapWindow] = PanoramiXMapWindow;
|
|
ProcVector[X_MapSubwindows] = PanoramiXMapSubwindows;
|
|
ProcVector[X_UnmapWindow] = PanoramiXUnmapWindow;
|
|
ProcVector[X_UnmapSubwindows] = PanoramiXUnmapSubwindows;
|
|
ProcVector[X_ConfigureWindow] = PanoramiXConfigureWindow;
|
|
ProcVector[X_CirculateWindow] = PanoramiXCirculateWindow;
|
|
ProcVector[X_GetGeometry] = PanoramiXGetGeometry;
|
|
ProcVector[X_TranslateCoords] = PanoramiXTranslateCoords;
|
|
ProcVector[X_CreatePixmap] = PanoramiXCreatePixmap;
|
|
ProcVector[X_FreePixmap] = PanoramiXFreePixmap;
|
|
ProcVector[X_CreateGC] = PanoramiXCreateGC;
|
|
ProcVector[X_ChangeGC] = PanoramiXChangeGC;
|
|
ProcVector[X_CopyGC] = PanoramiXCopyGC;
|
|
ProcVector[X_SetDashes] = PanoramiXSetDashes;
|
|
ProcVector[X_SetClipRectangles] = PanoramiXSetClipRectangles;
|
|
ProcVector[X_FreeGC] = PanoramiXFreeGC;
|
|
ProcVector[X_ClearArea] = PanoramiXClearToBackground;
|
|
ProcVector[X_CopyArea] = PanoramiXCopyArea;
|
|
ProcVector[X_CopyPlane] = PanoramiXCopyPlane;
|
|
ProcVector[X_PolyPoint] = PanoramiXPolyPoint;
|
|
ProcVector[X_PolyLine] = PanoramiXPolyLine;
|
|
ProcVector[X_PolySegment] = PanoramiXPolySegment;
|
|
ProcVector[X_PolyRectangle] = PanoramiXPolyRectangle;
|
|
ProcVector[X_PolyArc] = PanoramiXPolyArc;
|
|
ProcVector[X_FillPoly] = PanoramiXFillPoly;
|
|
ProcVector[X_PolyFillRectangle] = PanoramiXPolyFillRectangle;
|
|
ProcVector[X_PolyFillArc] = PanoramiXPolyFillArc;
|
|
ProcVector[X_PutImage] = PanoramiXPutImage;
|
|
ProcVector[X_GetImage] = PanoramiXGetImage;
|
|
ProcVector[X_PolyText8] = PanoramiXPolyText8;
|
|
ProcVector[X_PolyText16] = PanoramiXPolyText16;
|
|
ProcVector[X_ImageText8] = PanoramiXImageText8;
|
|
ProcVector[X_ImageText16] = PanoramiXImageText16;
|
|
ProcVector[X_CreateColormap] = PanoramiXCreateColormap;
|
|
ProcVector[X_FreeColormap] = PanoramiXFreeColormap;
|
|
ProcVector[X_CopyColormapAndFree] = PanoramiXCopyColormapAndFree;
|
|
ProcVector[X_InstallColormap] = PanoramiXInstallColormap;
|
|
ProcVector[X_UninstallColormap] = PanoramiXUninstallColormap;
|
|
ProcVector[X_AllocColor] = PanoramiXAllocColor;
|
|
ProcVector[X_AllocNamedColor] = PanoramiXAllocNamedColor;
|
|
ProcVector[X_AllocColorCells] = PanoramiXAllocColorCells;
|
|
ProcVector[X_AllocColorPlanes] = PanoramiXAllocColorPlanes;
|
|
ProcVector[X_FreeColors] = PanoramiXFreeColors;
|
|
ProcVector[X_StoreColors] = PanoramiXStoreColors;
|
|
ProcVector[X_StoreNamedColor] = PanoramiXStoreNamedColor;
|
|
|
|
PanoramiXRenderInit();
|
|
#ifdef XFIXES
|
|
PanoramiXFixesInit();
|
|
#endif
|
|
#ifdef COMPOSITE
|
|
PanoramiXCompositeInit();
|
|
#endif
|
|
|
|
}
|
|
|
|
extern Bool CreateConnectionBlock(void);
|
|
|
|
Bool
|
|
PanoramiXCreateConnectionBlock(void)
|
|
{
|
|
int i, j, length;
|
|
Bool disableBackingStore = FALSE;
|
|
int old_width, old_height;
|
|
float width_mult, height_mult;
|
|
xWindowRoot *root;
|
|
xVisualType *visual;
|
|
xDepth *depth;
|
|
VisualPtr pVisual;
|
|
ScreenPtr pScreen;
|
|
|
|
/*
|
|
* Do normal CreateConnectionBlock but faking it for only one screen
|
|
*/
|
|
|
|
if (!PanoramiXNumDepths) {
|
|
ErrorF("Xinerama error: No common visuals\n");
|
|
return FALSE;
|
|
}
|
|
|
|
for (i = 1; i < screenInfo.numScreens; i++) {
|
|
pScreen = screenInfo.screens[i];
|
|
if (pScreen->rootDepth != screenInfo.screens[0]->rootDepth) {
|
|
ErrorF("Xinerama error: Root window depths differ\n");
|
|
return FALSE;
|
|
}
|
|
if (pScreen->backingStoreSupport !=
|
|
screenInfo.screens[0]->backingStoreSupport)
|
|
disableBackingStore = TRUE;
|
|
}
|
|
|
|
if (disableBackingStore) {
|
|
for (i = 0; i < screenInfo.numScreens; i++) {
|
|
pScreen = screenInfo.screens[i];
|
|
pScreen->backingStoreSupport = NotUseful;
|
|
}
|
|
}
|
|
|
|
i = screenInfo.numScreens;
|
|
screenInfo.numScreens = 1;
|
|
if (!CreateConnectionBlock()) {
|
|
screenInfo.numScreens = i;
|
|
return FALSE;
|
|
}
|
|
|
|
screenInfo.numScreens = i;
|
|
|
|
root = (xWindowRoot *) (ConnectionInfo + connBlockScreenStart);
|
|
length = connBlockScreenStart + sizeof(xWindowRoot);
|
|
|
|
/* overwrite the connection block */
|
|
root->nDepths = PanoramiXNumDepths;
|
|
|
|
for (i = 0; i < PanoramiXNumDepths; i++) {
|
|
depth = (xDepth *) (ConnectionInfo + length);
|
|
depth->depth = PanoramiXDepths[i].depth;
|
|
depth->nVisuals = PanoramiXDepths[i].numVids;
|
|
length += sizeof(xDepth);
|
|
visual = (xVisualType *) (ConnectionInfo + length);
|
|
|
|
for (j = 0; j < depth->nVisuals; j++, visual++) {
|
|
visual->visualID = PanoramiXDepths[i].vids[j];
|
|
|
|
for (pVisual = PanoramiXVisuals;
|
|
pVisual->vid != visual->visualID; pVisual++);
|
|
|
|
visual->class = pVisual->class;
|
|
visual->bitsPerRGB = pVisual->bitsPerRGBValue;
|
|
visual->colormapEntries = pVisual->ColormapEntries;
|
|
visual->redMask = pVisual->redMask;
|
|
visual->greenMask = pVisual->greenMask;
|
|
visual->blueMask = pVisual->blueMask;
|
|
}
|
|
|
|
length += (depth->nVisuals * sizeof(xVisualType));
|
|
}
|
|
|
|
connSetupPrefix.length = bytes_to_int32(length);
|
|
|
|
for (i = 0; i < PanoramiXNumDepths; i++)
|
|
free(PanoramiXDepths[i].vids);
|
|
free(PanoramiXDepths);
|
|
PanoramiXDepths = NULL;
|
|
|
|
/*
|
|
* OK, change some dimensions so it looks as if it were one big screen
|
|
*/
|
|
|
|
old_width = root->pixWidth;
|
|
old_height = root->pixHeight;
|
|
|
|
root->pixWidth = PanoramiXPixWidth;
|
|
root->pixHeight = PanoramiXPixHeight;
|
|
width_mult = (1.0 * root->pixWidth) / old_width;
|
|
height_mult = (1.0 * root->pixHeight) / old_height;
|
|
root->mmWidth *= width_mult;
|
|
root->mmHeight *= height_mult;
|
|
|
|
while (ConnectionCallbackList) {
|
|
pointer tmp;
|
|
|
|
tmp = (pointer) ConnectionCallbackList;
|
|
(*ConnectionCallbackList->func) ();
|
|
ConnectionCallbackList = ConnectionCallbackList->next;
|
|
free(tmp);
|
|
}
|
|
|
|
return TRUE;
|
|
}
|
|
|
|
/*
|
|
* This isn't just memcmp(), bitsPerRGBValue is skipped. markv made that
|
|
* change way back before xf86 4.0, but the comment for _why_ is a bit
|
|
* opaque, so I'm not going to question it for now.
|
|
*
|
|
* This is probably better done as a screen hook so DBE/EVI/GLX can add
|
|
* their own tests, and adding privates to VisualRec so they don't have to
|
|
* do their own back-mapping.
|
|
*/
|
|
static Bool
|
|
VisualsEqual(VisualPtr a, ScreenPtr pScreenB, VisualPtr b)
|
|
{
|
|
return ((a->class == b->class) &&
|
|
(a->ColormapEntries == b->ColormapEntries) &&
|
|
(a->nplanes == b->nplanes) &&
|
|
(a->redMask == b->redMask) &&
|
|
(a->greenMask == b->greenMask) &&
|
|
(a->blueMask == b->blueMask) &&
|
|
(a->offsetRed == b->offsetRed) &&
|
|
(a->offsetGreen == b->offsetGreen) &&
|
|
(a->offsetBlue == b->offsetBlue));
|
|
}
|
|
|
|
static void
|
|
PanoramiXMaybeAddDepth(DepthPtr pDepth)
|
|
{
|
|
ScreenPtr pScreen;
|
|
int j, k;
|
|
Bool found = FALSE;
|
|
|
|
FOR_NSCREENS_FORWARD_SKIP(j) {
|
|
pScreen = screenInfo.screens[j];
|
|
for (k = 0; k < pScreen->numDepths; k++) {
|
|
if (pScreen->allowedDepths[k].depth == pDepth->depth) {
|
|
found = TRUE;
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
|
|
if (!found)
|
|
return;
|
|
|
|
j = PanoramiXNumDepths;
|
|
PanoramiXNumDepths++;
|
|
PanoramiXDepths = realloc(PanoramiXDepths,
|
|
PanoramiXNumDepths * sizeof(DepthRec));
|
|
PanoramiXDepths[j].depth = pDepth->depth;
|
|
PanoramiXDepths[j].numVids = 0;
|
|
/* XXX suboptimal, should grow these dynamically */
|
|
if (pDepth->numVids)
|
|
PanoramiXDepths[j].vids = malloc(sizeof(VisualID) * pDepth->numVids);
|
|
else
|
|
PanoramiXDepths[j].vids = NULL;
|
|
}
|
|
|
|
static void
|
|
PanoramiXMaybeAddVisual(VisualPtr pVisual)
|
|
{
|
|
ScreenPtr pScreen;
|
|
int j, k;
|
|
Bool found = FALSE;
|
|
|
|
FOR_NSCREENS_FORWARD_SKIP(j) {
|
|
pScreen = screenInfo.screens[j];
|
|
found = FALSE;
|
|
|
|
for (k = 0; k < pScreen->numVisuals; k++) {
|
|
VisualPtr candidate = &pScreen->visuals[k];
|
|
|
|
if ((*XineramaVisualsEqualPtr) (pVisual, pScreen, candidate)
|
|
#ifdef GLXPROXY
|
|
&& glxMatchVisual(screenInfo.screens[0], pVisual, pScreen)
|
|
#endif
|
|
) {
|
|
found = TRUE;
|
|
break;
|
|
}
|
|
}
|
|
|
|
if (!found)
|
|
return;
|
|
}
|
|
|
|
/* found a matching visual on all screens, add it to the subset list */
|
|
j = PanoramiXNumVisuals;
|
|
PanoramiXNumVisuals++;
|
|
PanoramiXVisuals = realloc(PanoramiXVisuals,
|
|
PanoramiXNumVisuals * sizeof(VisualRec));
|
|
|
|
memcpy(&PanoramiXVisuals[j], pVisual, sizeof(VisualRec));
|
|
|
|
for (k = 0; k < PanoramiXNumDepths; k++) {
|
|
if (PanoramiXDepths[k].depth == pVisual->nplanes) {
|
|
PanoramiXDepths[k].vids[PanoramiXDepths[k].numVids] = pVisual->vid;
|
|
PanoramiXDepths[k].numVids++;
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
|
|
extern void
|
|
PanoramiXConsolidate(void)
|
|
{
|
|
int i;
|
|
PanoramiXRes *root, *defmap, *saver;
|
|
ScreenPtr pScreen = screenInfo.screens[0];
|
|
DepthPtr pDepth = pScreen->allowedDepths;
|
|
VisualPtr pVisual = pScreen->visuals;
|
|
|
|
PanoramiXNumDepths = 0;
|
|
PanoramiXNumVisuals = 0;
|
|
|
|
for (i = 0; i < pScreen->numDepths; i++)
|
|
PanoramiXMaybeAddDepth(pDepth++);
|
|
|
|
for (i = 0; i < pScreen->numVisuals; i++)
|
|
PanoramiXMaybeAddVisual(pVisual++);
|
|
|
|
root = malloc(sizeof(PanoramiXRes));
|
|
root->type = XRT_WINDOW;
|
|
defmap = malloc(sizeof(PanoramiXRes));
|
|
defmap->type = XRT_COLORMAP;
|
|
saver = malloc(sizeof(PanoramiXRes));
|
|
saver->type = XRT_WINDOW;
|
|
|
|
FOR_NSCREENS(i) {
|
|
ScreenPtr pScreen = screenInfo.screens[i];
|
|
|
|
root->info[i].id = pScreen->root->drawable.id;
|
|
root->u.win.class = InputOutput;
|
|
root->u.win.root = TRUE;
|
|
saver->info[i].id = pScreen->screensaver.wid;
|
|
saver->u.win.class = InputOutput;
|
|
saver->u.win.root = TRUE;
|
|
defmap->info[i].id = pScreen->defColormap;
|
|
}
|
|
|
|
AddResource(root->info[0].id, XRT_WINDOW, root);
|
|
AddResource(saver->info[0].id, XRT_WINDOW, saver);
|
|
AddResource(defmap->info[0].id, XRT_COLORMAP, defmap);
|
|
}
|
|
|
|
VisualID
|
|
PanoramiXTranslateVisualID(int screen, VisualID orig)
|
|
{
|
|
ScreenPtr pOtherScreen = screenInfo.screens[screen];
|
|
VisualPtr pVisual = NULL;
|
|
int i;
|
|
|
|
for (i = 0; i < PanoramiXNumVisuals; i++) {
|
|
if (orig == PanoramiXVisuals[i].vid) {
|
|
pVisual = &PanoramiXVisuals[i];
|
|
break;
|
|
}
|
|
}
|
|
|
|
if (!pVisual)
|
|
return 0;
|
|
|
|
/* if screen is 0, orig is already the correct visual ID */
|
|
if (screen == 0)
|
|
return orig;
|
|
|
|
/* found the original, now translate it relative to the backend screen */
|
|
for (i = 0; i < pOtherScreen->numVisuals; i++) {
|
|
VisualPtr pOtherVisual = &pOtherScreen->visuals[i];
|
|
|
|
if ((*XineramaVisualsEqualPtr) (pVisual, pOtherScreen, pOtherVisual))
|
|
return pOtherVisual->vid;
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
/*
|
|
* PanoramiXResetProc()
|
|
* Exit, deallocating as needed.
|
|
*/
|
|
|
|
static void
|
|
PanoramiXResetProc(ExtensionEntry * extEntry)
|
|
{
|
|
int i;
|
|
|
|
PanoramiXRenderReset();
|
|
#ifdef XFIXES
|
|
PanoramiXFixesReset();
|
|
#endif
|
|
screenInfo.numScreens = PanoramiXNumScreens;
|
|
for (i = 256; i--;)
|
|
ProcVector[i] = SavedProcVector[i];
|
|
}
|
|
|
|
int
|
|
ProcPanoramiXQueryVersion(ClientPtr client)
|
|
{
|
|
/* REQUEST(xPanoramiXQueryVersionReq); */
|
|
xPanoramiXQueryVersionReply rep;
|
|
|
|
REQUEST_SIZE_MATCH(xPanoramiXQueryVersionReq);
|
|
rep.type = X_Reply;
|
|
rep.length = 0;
|
|
rep.sequenceNumber = client->sequence;
|
|
rep.majorVersion = SERVER_PANORAMIX_MAJOR_VERSION;
|
|
rep.minorVersion = SERVER_PANORAMIX_MINOR_VERSION;
|
|
if (client->swapped) {
|
|
swaps(&rep.sequenceNumber);
|
|
swapl(&rep.length);
|
|
swaps(&rep.majorVersion);
|
|
swaps(&rep.minorVersion);
|
|
}
|
|
WriteToClient(client, sizeof(xPanoramiXQueryVersionReply), (char *) &rep);
|
|
return Success;
|
|
}
|
|
|
|
int
|
|
ProcPanoramiXGetState(ClientPtr client)
|
|
{
|
|
REQUEST(xPanoramiXGetStateReq);
|
|
WindowPtr pWin;
|
|
xPanoramiXGetStateReply rep;
|
|
int rc;
|
|
|
|
REQUEST_SIZE_MATCH(xPanoramiXGetStateReq);
|
|
rc = dixLookupWindow(&pWin, stuff->window, client, DixGetAttrAccess);
|
|
if (rc != Success)
|
|
return rc;
|
|
|
|
rep.type = X_Reply;
|
|
rep.length = 0;
|
|
rep.sequenceNumber = client->sequence;
|
|
rep.state = !noPanoramiXExtension;
|
|
rep.window = stuff->window;
|
|
if (client->swapped) {
|
|
swaps(&rep.sequenceNumber);
|
|
swapl(&rep.length);
|
|
swapl(&rep.window);
|
|
}
|
|
WriteToClient(client, sizeof(xPanoramiXGetStateReply), (char *) &rep);
|
|
return Success;
|
|
|
|
}
|
|
|
|
int
|
|
ProcPanoramiXGetScreenCount(ClientPtr client)
|
|
{
|
|
REQUEST(xPanoramiXGetScreenCountReq);
|
|
WindowPtr pWin;
|
|
xPanoramiXGetScreenCountReply rep;
|
|
int rc;
|
|
|
|
REQUEST_SIZE_MATCH(xPanoramiXGetScreenCountReq);
|
|
rc = dixLookupWindow(&pWin, stuff->window, client, DixGetAttrAccess);
|
|
if (rc != Success)
|
|
return rc;
|
|
|
|
rep.type = X_Reply;
|
|
rep.length = 0;
|
|
rep.sequenceNumber = client->sequence;
|
|
rep.ScreenCount = PanoramiXNumScreens;
|
|
rep.window = stuff->window;
|
|
if (client->swapped) {
|
|
swaps(&rep.sequenceNumber);
|
|
swapl(&rep.length);
|
|
swapl(&rep.window);
|
|
}
|
|
WriteToClient(client, sizeof(xPanoramiXGetScreenCountReply), (char *) &rep);
|
|
return Success;
|
|
}
|
|
|
|
int
|
|
ProcPanoramiXGetScreenSize(ClientPtr client)
|
|
{
|
|
REQUEST(xPanoramiXGetScreenSizeReq);
|
|
WindowPtr pWin;
|
|
xPanoramiXGetScreenSizeReply rep;
|
|
int rc;
|
|
|
|
if (stuff->screen >= PanoramiXNumScreens)
|
|
return BadMatch;
|
|
|
|
REQUEST_SIZE_MATCH(xPanoramiXGetScreenSizeReq);
|
|
rc = dixLookupWindow(&pWin, stuff->window, client, DixGetAttrAccess);
|
|
if (rc != Success)
|
|
return rc;
|
|
|
|
rep.type = X_Reply;
|
|
rep.length = 0;
|
|
rep.sequenceNumber = client->sequence;
|
|
/* screen dimensions */
|
|
rep.width = screenInfo.screens[stuff->screen]->width;
|
|
rep.height = screenInfo.screens[stuff->screen]->height;
|
|
rep.window = stuff->window;
|
|
rep.screen = stuff->screen;
|
|
if (client->swapped) {
|
|
swaps(&rep.sequenceNumber);
|
|
swapl(&rep.length);
|
|
swapl(&rep.width);
|
|
swapl(&rep.height);
|
|
swapl(&rep.window);
|
|
swapl(&rep.screen);
|
|
}
|
|
WriteToClient(client, sizeof(xPanoramiXGetScreenSizeReply), (char *) &rep);
|
|
return Success;
|
|
}
|
|
|
|
int
|
|
ProcXineramaIsActive(ClientPtr client)
|
|
{
|
|
/* REQUEST(xXineramaIsActiveReq); */
|
|
xXineramaIsActiveReply rep;
|
|
|
|
REQUEST_SIZE_MATCH(xXineramaIsActiveReq);
|
|
|
|
rep.type = X_Reply;
|
|
rep.length = 0;
|
|
rep.sequenceNumber = client->sequence;
|
|
#if 1
|
|
{
|
|
/* The following hack fools clients into thinking that Xinerama
|
|
* is disabled even though it is not. */
|
|
rep.state = !noPanoramiXExtension && !PanoramiXExtensionDisabledHack;
|
|
}
|
|
#else
|
|
rep.state = !noPanoramiXExtension;
|
|
#endif
|
|
if (client->swapped) {
|
|
swaps(&rep.sequenceNumber);
|
|
swapl(&rep.length);
|
|
swapl(&rep.state);
|
|
}
|
|
WriteToClient(client, sizeof(xXineramaIsActiveReply), (char *) &rep);
|
|
return Success;
|
|
}
|
|
|
|
int
|
|
ProcXineramaQueryScreens(ClientPtr client)
|
|
{
|
|
/* REQUEST(xXineramaQueryScreensReq); */
|
|
xXineramaQueryScreensReply rep;
|
|
|
|
REQUEST_SIZE_MATCH(xXineramaQueryScreensReq);
|
|
|
|
rep.type = X_Reply;
|
|
rep.sequenceNumber = client->sequence;
|
|
rep.number = (noPanoramiXExtension) ? 0 : PanoramiXNumScreens;
|
|
rep.length = bytes_to_int32(rep.number * sz_XineramaScreenInfo);
|
|
if (client->swapped) {
|
|
swaps(&rep.sequenceNumber);
|
|
swapl(&rep.length);
|
|
swapl(&rep.number);
|
|
}
|
|
WriteToClient(client, sizeof(xXineramaQueryScreensReply), (char *) &rep);
|
|
|
|
if (!noPanoramiXExtension) {
|
|
xXineramaScreenInfo scratch;
|
|
int i;
|
|
|
|
FOR_NSCREENS(i) {
|
|
scratch.x_org = screenInfo.screens[i]->x;
|
|
scratch.y_org = screenInfo.screens[i]->y;
|
|
scratch.width = screenInfo.screens[i]->width;
|
|
scratch.height = screenInfo.screens[i]->height;
|
|
|
|
if (client->swapped) {
|
|
swaps(&scratch.x_org);
|
|
swaps(&scratch.y_org);
|
|
swaps(&scratch.width);
|
|
swaps(&scratch.height);
|
|
}
|
|
WriteToClient(client, sz_XineramaScreenInfo, (char *) &scratch);
|
|
}
|
|
}
|
|
|
|
return Success;
|
|
}
|
|
|
|
static int
|
|
ProcPanoramiXDispatch(ClientPtr client)
|
|
{
|
|
REQUEST(xReq);
|
|
switch (stuff->data) {
|
|
case X_PanoramiXQueryVersion:
|
|
return ProcPanoramiXQueryVersion(client);
|
|
case X_PanoramiXGetState:
|
|
return ProcPanoramiXGetState(client);
|
|
case X_PanoramiXGetScreenCount:
|
|
return ProcPanoramiXGetScreenCount(client);
|
|
case X_PanoramiXGetScreenSize:
|
|
return ProcPanoramiXGetScreenSize(client);
|
|
case X_XineramaIsActive:
|
|
return ProcXineramaIsActive(client);
|
|
case X_XineramaQueryScreens:
|
|
return ProcXineramaQueryScreens(client);
|
|
}
|
|
return BadRequest;
|
|
}
|
|
|
|
#if X_BYTE_ORDER == X_LITTLE_ENDIAN
|
|
#define SHIFT_L(v,s) (v) << (s)
|
|
#define SHIFT_R(v,s) (v) >> (s)
|
|
#else
|
|
#define SHIFT_L(v,s) (v) >> (s)
|
|
#define SHIFT_R(v,s) (v) << (s)
|
|
#endif
|
|
|
|
static void
|
|
CopyBits(char *dst, int shiftL, char *src, int bytes)
|
|
{
|
|
/* Just get it to work. Worry about speed later */
|
|
int shiftR = 8 - shiftL;
|
|
|
|
while (bytes--) {
|
|
*dst |= SHIFT_L(*src, shiftL);
|
|
*(dst + 1) |= SHIFT_R(*src, shiftR);
|
|
dst++;
|
|
src++;
|
|
}
|
|
}
|
|
|
|
/* Caution. This doesn't support 2 and 4 bpp formats. We expect
|
|
1 bpp and planar data to be already cleared when presented
|
|
to this function */
|
|
|
|
void
|
|
XineramaGetImageData(DrawablePtr *pDrawables,
|
|
int left,
|
|
int top,
|
|
int width,
|
|
int height,
|
|
unsigned int format,
|
|
unsigned long planemask,
|
|
char *data, int pitch, Bool isRoot)
|
|
{
|
|
RegionRec SrcRegion, ScreenRegion, GrabRegion;
|
|
BoxRec SrcBox, *pbox;
|
|
int x, y, w, h, i, j, nbox, size, sizeNeeded, ScratchPitch, inOut, depth;
|
|
DrawablePtr pDraw = pDrawables[0];
|
|
char *ScratchMem = NULL;
|
|
|
|
size = 0;
|
|
|
|
/* find box in logical screen space */
|
|
SrcBox.x1 = left;
|
|
SrcBox.y1 = top;
|
|
if (!isRoot) {
|
|
SrcBox.x1 += pDraw->x + screenInfo.screens[0]->x;
|
|
SrcBox.y1 += pDraw->y + screenInfo.screens[0]->y;
|
|
}
|
|
SrcBox.x2 = SrcBox.x1 + width;
|
|
SrcBox.y2 = SrcBox.y1 + height;
|
|
|
|
RegionInit(&SrcRegion, &SrcBox, 1);
|
|
RegionNull(&GrabRegion);
|
|
|
|
depth = (format == XYPixmap) ? 1 : pDraw->depth;
|
|
|
|
FOR_NSCREENS(i) {
|
|
BoxRec TheBox;
|
|
ScreenPtr pScreen;
|
|
|
|
pDraw = pDrawables[i];
|
|
pScreen = pDraw->pScreen;
|
|
|
|
TheBox.x1 = pScreen->x;
|
|
TheBox.x2 = TheBox.x1 + pScreen->width;
|
|
TheBox.y1 = pScreen->y;
|
|
TheBox.y2 = TheBox.y1 + pScreen->height;
|
|
|
|
RegionInit(&ScreenRegion, &TheBox, 1);
|
|
inOut = RegionContainsRect(&ScreenRegion, &SrcBox);
|
|
if (inOut == rgnPART)
|
|
RegionIntersect(&GrabRegion, &SrcRegion, &ScreenRegion);
|
|
RegionUninit(&ScreenRegion);
|
|
|
|
if (inOut == rgnIN) {
|
|
(*pScreen->GetImage) (pDraw,
|
|
SrcBox.x1 - pDraw->x -
|
|
screenInfo.screens[i]->x,
|
|
SrcBox.y1 - pDraw->y -
|
|
screenInfo.screens[i]->y, width, height,
|
|
format, planemask, data);
|
|
break;
|
|
}
|
|
else if (inOut == rgnOUT)
|
|
continue;
|
|
|
|
nbox = RegionNumRects(&GrabRegion);
|
|
|
|
if (nbox) {
|
|
pbox = RegionRects(&GrabRegion);
|
|
|
|
while (nbox--) {
|
|
w = pbox->x2 - pbox->x1;
|
|
h = pbox->y2 - pbox->y1;
|
|
ScratchPitch = PixmapBytePad(w, depth);
|
|
sizeNeeded = ScratchPitch * h;
|
|
|
|
if (sizeNeeded > size) {
|
|
char *tmpdata = ScratchMem;
|
|
|
|
ScratchMem = realloc(ScratchMem, sizeNeeded);
|
|
if (ScratchMem)
|
|
size = sizeNeeded;
|
|
else {
|
|
ScratchMem = tmpdata;
|
|
break;
|
|
}
|
|
}
|
|
|
|
x = pbox->x1 - pDraw->x - screenInfo.screens[i]->x;
|
|
y = pbox->y1 - pDraw->y - screenInfo.screens[i]->y;
|
|
|
|
(*pScreen->GetImage) (pDraw, x, y, w, h,
|
|
format, planemask, ScratchMem);
|
|
|
|
/* copy the memory over */
|
|
|
|
if (depth == 1) {
|
|
int k, shift, leftover, index, index2;
|
|
|
|
x = pbox->x1 - SrcBox.x1;
|
|
y = pbox->y1 - SrcBox.y1;
|
|
shift = x & 7;
|
|
x >>= 3;
|
|
leftover = w & 7;
|
|
w >>= 3;
|
|
|
|
/* clean up the edge */
|
|
if (leftover) {
|
|
int mask = (1 << leftover) - 1;
|
|
|
|
for (j = h, k = w; j--; k += ScratchPitch)
|
|
ScratchMem[k] &= mask;
|
|
}
|
|
|
|
for (j = 0, index = (pitch * y) + x, index2 = 0; j < h;
|
|
j++, index += pitch, index2 += ScratchPitch) {
|
|
if (w) {
|
|
if (!shift)
|
|
memcpy(data + index, ScratchMem + index2, w);
|
|
else
|
|
CopyBits(data + index, shift,
|
|
ScratchMem + index2, w);
|
|
}
|
|
|
|
if (leftover) {
|
|
data[index + w] |=
|
|
SHIFT_L(ScratchMem[index2 + w], shift);
|
|
if ((shift + leftover) > 8)
|
|
data[index + w + 1] |=
|
|
SHIFT_R(ScratchMem[index2 + w],
|
|
(8 - shift));
|
|
}
|
|
}
|
|
}
|
|
else {
|
|
j = BitsPerPixel(depth) >> 3;
|
|
x = (pbox->x1 - SrcBox.x1) * j;
|
|
y = pbox->y1 - SrcBox.y1;
|
|
w *= j;
|
|
|
|
for (j = 0; j < h; j++) {
|
|
memcpy(data + (pitch * (y + j)) + x,
|
|
ScratchMem + (ScratchPitch * j), w);
|
|
}
|
|
}
|
|
pbox++;
|
|
}
|
|
|
|
RegionSubtract(&SrcRegion, &SrcRegion, &GrabRegion);
|
|
if (!RegionNotEmpty(&SrcRegion))
|
|
break;
|
|
}
|
|
|
|
}
|
|
|
|
free(ScratchMem);
|
|
|
|
RegionUninit(&SrcRegion);
|
|
RegionUninit(&GrabRegion);
|
|
}
|