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-rw-r--r--nx-X11/programs/Xserver/hw/nxagent/NXshm.c.NX.original1425
1 files changed, 0 insertions, 1425 deletions
diff --git a/nx-X11/programs/Xserver/hw/nxagent/NXshm.c.NX.original b/nx-X11/programs/Xserver/hw/nxagent/NXshm.c.NX.original
deleted file mode 100644
index e70415a7d..000000000
--- a/nx-X11/programs/Xserver/hw/nxagent/NXshm.c.NX.original
+++ /dev/null
@@ -1,1425 +0,0 @@
-#ifdef NXAGENT_UPGRADE
-
-#include "X/NXshm.c"
-
-#else
-
-/* $XFree86: xc/programs/Xserver/Xext/shm.c,v 3.36 2002/04/03 19:51:11 herrb Exp $ */
-/************************************************************
-
-Copyright 1989, 1998 The Open Group
-
-Permission to use, copy, modify, distribute, and sell this software and its
-documentation for any purpose is hereby granted without fee, provided that
-the above copyright notice appear in all copies and that both that
-copyright notice and this permission notice appear in supporting
-documentation.
-
-The above copyright notice and this permission notice shall be included in
-all copies or substantial portions of the Software.
-
-THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
-IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
-FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
-OPEN GROUP BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
-AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
-CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
-
-Except as contained in this notice, the name of The Open Group shall not be
-used in advertising or otherwise to promote the sale, use or other dealings
-in this Software without prior written authorization from The Open Group.
-
-********************************************************/
-
-/* THIS IS NOT AN X CONSORTIUM STANDARD OR AN X PROJECT TEAM SPECIFICATION */
-
-/* $Xorg: shm.c,v 1.4 2001/02/09 02:04:33 xorgcvs Exp $ */
-
-#include <sys/types.h>
-#ifndef Lynx
-#include <sys/ipc.h>
-#include <sys/shm.h>
-#else
-#include <ipc.h>
-#include <shm.h>
-#endif
-#include <unistd.h>
-#include <sys/stat.h>
-#define NEED_REPLIES
-#define NEED_EVENTS
-#include "X.h"
-#include "Xproto.h"
-#include "misc.h"
-#include "os.h"
-#include "dixstruct.h"
-#include "resource.h"
-#include "scrnintstr.h"
-#include "windowstr.h"
-#include "pixmapstr.h"
-#include "gcstruct.h"
-#include "extnsionst.h"
-#include "servermd.h"
-#define _XSHM_SERVER_
-#include "shmstr.h"
-#include "Xfuncproto.h"
-#ifdef EXTMODULE
-#include "xf86_ansic.h"
-#endif
-
-#ifdef PANORAMIX
-#include "panoramiX.h"
-#include "panoramiXsrv.h"
-#endif
-
-#include "Trap.h"
-#include "Agent.h"
-#include "Drawable.h"
-#include "Pixmaps.h"
-
-/*
- * Set here the required log level.
- */
-
-#define PANIC
-#define WARNING
-#undef TEST
-#undef DEBUG
-
-extern void fbGetImage(DrawablePtr pDrw, int x, int y, int w, int h,
- unsigned int format, unsigned long planeMask, char *d);
-
-extern void fbPutImage (DrawablePtr pDrawable, GCPtr pGC, int depth,
- int x, int y, int w, int h, int leftPad, int format,
- char *pImage);
-
-typedef struct _ShmDesc {
- struct _ShmDesc *next;
- int shmid;
- int refcnt;
- char *addr;
- Bool writable;
- unsigned long size;
-} ShmDescRec, *ShmDescPtr;
-
-static void miShmPutImage(XSHM_PUT_IMAGE_ARGS);
-static void fbShmPutImage(XSHM_PUT_IMAGE_ARGS);
-static PixmapPtr fbShmCreatePixmap(XSHM_CREATE_PIXMAP_ARGS);
-static int ShmDetachSegment(
-#if NeedFunctionPrototypes
- pointer /* value */,
- XID /* shmseg */
-#endif
- );
-static void ShmResetProc(
-#if NeedFunctionPrototypes
- ExtensionEntry * /* extEntry */
-#endif
- );
-static void SShmCompletionEvent(
-#if NeedFunctionPrototypes
- xShmCompletionEvent * /* from */,
- xShmCompletionEvent * /* to */
-#endif
- );
-
-static Bool ShmDestroyPixmap (PixmapPtr pPixmap);
-
-static DISPATCH_PROC(ProcShmAttach);
-static DISPATCH_PROC(ProcShmCreatePixmap);
-static DISPATCH_PROC(ProcShmDetach);
-static DISPATCH_PROC(ProcShmDispatch);
-static DISPATCH_PROC(ProcShmGetImage);
-static DISPATCH_PROC(ProcShmPutImage);
-static DISPATCH_PROC(ProcShmQueryVersion);
-static DISPATCH_PROC(SProcShmAttach);
-static DISPATCH_PROC(SProcShmCreatePixmap);
-static DISPATCH_PROC(SProcShmDetach);
-static DISPATCH_PROC(SProcShmDispatch);
-static DISPATCH_PROC(SProcShmGetImage);
-static DISPATCH_PROC(SProcShmPutImage);
-static DISPATCH_PROC(SProcShmQueryVersion);
-
-static unsigned char ShmReqCode;
-int ShmCompletionCode;
-int BadShmSegCode;
-RESTYPE ShmSegType;
-static ShmDescPtr Shmsegs;
-static Bool sharedPixmaps;
-static int pixmapFormat;
-static int shmPixFormat[MAXSCREENS];
-static ShmFuncsPtr shmFuncs[MAXSCREENS];
-static DestroyPixmapProcPtr destroyPixmap[MAXSCREENS];
-#ifdef PIXPRIV
-static int shmPixmapPrivate;
-#endif
-static ShmFuncs miFuncs = {NULL, miShmPutImage};
-static ShmFuncs fbFuncs = {fbShmCreatePixmap, fbShmPutImage};
-
-#define VERIFY_SHMSEG(shmseg,shmdesc,client) \
-{ \
- shmdesc = (ShmDescPtr)LookupIDByType(shmseg, ShmSegType); \
- if (!shmdesc) \
- { \
- client->errorValue = shmseg; \
- return BadShmSegCode; \
- } \
-}
-
-#define VERIFY_SHMPTR(shmseg,offset,needwrite,shmdesc,client) \
-{ \
- VERIFY_SHMSEG(shmseg, shmdesc, client); \
- if ((offset & 3) || (offset > shmdesc->size)) \
- { \
- client->errorValue = offset; \
- return BadValue; \
- } \
- if (needwrite && !shmdesc->writable) \
- return BadAccess; \
-}
-
-#define VERIFY_SHMSIZE(shmdesc,offset,len,client) \
-{ \
- if ((offset + len) > shmdesc->size) \
- { \
- return BadAccess; \
- } \
-}
-
-
-#if defined(__FreeBSD__) || defined(__NetBSD__) || defined(__OpenBSD__) || defined(__CYGWIN__)
-#include <sys/signal.h>
-
-static Bool badSysCall = FALSE;
-
-static void
-SigSysHandler(signo)
-int signo;
-{
- badSysCall = TRUE;
-}
-
-static Bool CheckForShmSyscall()
-{
- void (*oldHandler)();
- int shmid = -1;
-
- /* If no SHM support in the kernel, the bad syscall will generate SIGSYS */
- oldHandler = signal(SIGSYS, SigSysHandler);
-
- badSysCall = FALSE;
- shmid = shmget(IPC_PRIVATE, 4096, IPC_CREAT);
- /* Clean up */
- if (shmid != -1)
- {
- shmctl(shmid, IPC_RMID, (struct shmid_ds *)NULL);
- }
- signal(SIGSYS, oldHandler);
- return(!badSysCall);
-}
-#endif
-
-void
-ShmExtensionInit()
-{
- ExtensionEntry *extEntry;
- int i;
-
-#if defined(__FreeBSD__) || defined(__NetBSD__) || defined(__OpenBSD__) || defined(__CYGWIN__)
- if (!CheckForShmSyscall())
- {
- ErrorF("MIT-SHM extension disabled due to lack of kernel support\n");
- return;
- }
-#endif
-
- if (nxagentOption(SharedMemory) == False)
- {
- return;
- }
-
- sharedPixmaps = xFalse;
- pixmapFormat = 0;
- {
- sharedPixmaps = nxagentOption(SharedPixmaps);
- pixmapFormat = shmPixFormat[0];
- for (i = 0; i < screenInfo.numScreens; i++)
- {
- if (!shmFuncs[i])
- {
- #ifdef TEST
- fprintf(stderr, "ShmExtensionInit: Registering shmFuncs as miFuncs.\n");
- #endif
- shmFuncs[i] = &miFuncs;
- }
- if (!shmFuncs[i]->CreatePixmap)
- sharedPixmaps = xFalse;
- if (shmPixFormat[i] && (shmPixFormat[i] != pixmapFormat))
- {
- sharedPixmaps = xFalse;
- pixmapFormat = 0;
- }
- }
- if (!pixmapFormat)
- pixmapFormat = ZPixmap;
- if (sharedPixmaps)
- {
- for (i = 0; i < screenInfo.numScreens; i++)
- {
- destroyPixmap[i] = screenInfo.screens[i]->DestroyPixmap;
- screenInfo.screens[i]->DestroyPixmap = ShmDestroyPixmap;
- }
-#ifdef PIXPRIV
- shmPixmapPrivate = AllocatePixmapPrivateIndex();
- for (i = 0; i < screenInfo.numScreens; i++)
- {
- if (!AllocatePixmapPrivate(screenInfo.screens[i],
- shmPixmapPrivate, 0))
- return;
- }
-#endif
- }
- }
- ShmSegType = CreateNewResourceType(ShmDetachSegment);
- if (ShmSegType &&
- (extEntry = AddExtension(SHMNAME, ShmNumberEvents, ShmNumberErrors,
- ProcShmDispatch, SProcShmDispatch,
- ShmResetProc, StandardMinorOpcode)))
- {
- ShmReqCode = (unsigned char)extEntry->base;
- ShmCompletionCode = extEntry->eventBase;
- BadShmSegCode = extEntry->errorBase;
- EventSwapVector[ShmCompletionCode] = (EventSwapPtr) SShmCompletionEvent;
- }
-}
-
-/*ARGSUSED*/
-static void
-ShmResetProc (extEntry)
-ExtensionEntry *extEntry;
-{
- int i;
-
- for (i = 0; i < MAXSCREENS; i++)
- {
- shmFuncs[i] = (ShmFuncsPtr)NULL;
- shmPixFormat[i] = 0;
- }
-}
-
-void
-ShmRegisterFuncs(pScreen, funcs)
- ScreenPtr pScreen;
- ShmFuncsPtr funcs;
-{
- shmFuncs[pScreen->myNum] = funcs;
-}
-
-void
-ShmSetPixmapFormat(pScreen, format)
- ScreenPtr pScreen;
- int format;
-{
- shmPixFormat[pScreen->myNum] = format;
-}
-
-static Bool
-ShmDestroyPixmap (PixmapPtr pPixmap)
-{
- ScreenPtr pScreen = pPixmap->drawable.pScreen;
- Bool ret;
- if (pPixmap->refcnt == 1)
- {
- ShmDescPtr shmdesc;
-#ifdef PIXPRIV
- shmdesc = (ShmDescPtr) pPixmap->devPrivates[shmPixmapPrivate].ptr;
-#else
- char *base = (char *) pPixmap->devPrivate.ptr;
-
- if (base != (pointer) (pPixmap + 1))
- {
- for (shmdesc = Shmsegs; shmdesc; shmdesc = shmdesc->next)
- {
- if (shmdesc->addr <= base && base <= shmdesc->addr + shmdesc->size)
- break;
- }
- }
- else
- shmdesc = 0;
-#endif
- if (shmdesc)
- ShmDetachSegment ((pointer) shmdesc, pPixmap->drawable.id);
- }
-
- pScreen->DestroyPixmap = destroyPixmap[pScreen->myNum];
- ret = (*pScreen->DestroyPixmap) (pPixmap);
- destroyPixmap[pScreen->myNum] = pScreen->DestroyPixmap;
- pScreen->DestroyPixmap = ShmDestroyPixmap;
- return ret;
-}
-
-void
-ShmRegisterFbFuncs(pScreen)
- ScreenPtr pScreen;
-{
- #ifdef TEST
- fprintf(stderr, "ShmRegisterFbFuncs: Registering shmFuncs as fbFuncs.\n");
- #endif
- shmFuncs[pScreen->myNum] = &fbFuncs;
-}
-
-static int
-ProcShmQueryVersion(client)
- register ClientPtr client;
-{
- xShmQueryVersionReply rep;
- register int n;
-
- REQUEST_SIZE_MATCH(xShmQueryVersionReq);
- rep.type = X_Reply;
- rep.length = 0;
- rep.sequenceNumber = client->sequence;
- rep.sharedPixmaps = sharedPixmaps;
- rep.pixmapFormat = pixmapFormat;
- rep.majorVersion = SHM_MAJOR_VERSION;
- rep.minorVersion = SHM_MINOR_VERSION;
- rep.uid = geteuid();
- rep.gid = getegid();
- if (client->swapped) {
- swaps(&rep.sequenceNumber, n);
- swapl(&rep.length, n);
- swaps(&rep.majorVersion, n);
- swaps(&rep.minorVersion, n);
- swaps(&rep.uid, n);
- swaps(&rep.gid, n);
- }
- WriteToClient(client, sizeof(xShmQueryVersionReply), (char *)&rep);
- return (client->noClientException);
-}
-
-/*
- * Simulate the access() system call for a shared memory segement,
- * using the credentials from the client if available
- */
-static int
-shm_access(ClientPtr client, struct ipc_perm *perm, int readonly)
-{
- int uid, gid;
- mode_t mask;
-
- if (LocalClientCred(client, &uid, &gid) != -1) {
-
- /* User id 0 always gets access */
- if (uid == 0) {
- return 0;
- }
- /* Check the owner */
- if (perm->uid == uid || perm->cuid == uid) {
- mask = S_IRUSR;
- if (!readonly) {
- mask |= S_IWUSR;
- }
- return (perm->mode & mask) == mask ? 0 : -1;
- }
- /* Check the group */
- if (perm->gid == gid || perm->cgid == gid) {
- mask = S_IRGRP;
- if (!readonly) {
- mask |= S_IWGRP;
- }
- return (perm->mode & mask) == mask ? 0 : -1;
- }
- }
- /* Otherwise, check everyone else */
- mask = S_IROTH;
- if (!readonly) {
- mask |= S_IWOTH;
- }
- return (perm->mode & mask) == mask ? 0 : -1;
-}
-
-static int
-ProcShmAttach(client)
- register ClientPtr client;
-{
- struct shmid_ds buf;
- ShmDescPtr shmdesc;
- REQUEST(xShmAttachReq);
-
- REQUEST_SIZE_MATCH(xShmAttachReq);
- LEGAL_NEW_RESOURCE(stuff->shmseg, client);
- if ((stuff->readOnly != xTrue) && (stuff->readOnly != xFalse))
- {
- client->errorValue = stuff->readOnly;
- return(BadValue);
- }
- for (shmdesc = Shmsegs;
- shmdesc && (shmdesc->shmid != stuff->shmid);
- shmdesc = shmdesc->next)
- ;
- if (shmdesc)
- {
- if (!stuff->readOnly && !shmdesc->writable)
- return BadAccess;
- shmdesc->refcnt++;
- }
- else
- {
- shmdesc = (ShmDescPtr) xalloc(sizeof(ShmDescRec));
- if (!shmdesc)
- return BadAlloc;
- shmdesc->addr = shmat(stuff->shmid, 0,
- stuff->readOnly ? SHM_RDONLY : 0);
- if ((shmdesc->addr == ((char *)-1)) ||
- shmctl(stuff->shmid, IPC_STAT, &buf))
- {
- xfree(shmdesc);
- return BadAccess;
- }
-
- /* The attach was performed with root privs. We must
- * do manual checking of access rights for the credentials
- * of the client */
-
- if (shm_access(client, &(buf.shm_perm), stuff->readOnly) == -1) {
- shmdt(shmdesc->addr);
- xfree(shmdesc);
- return BadAccess;
- }
-
- shmdesc->shmid = stuff->shmid;
- shmdesc->refcnt = 1;
- shmdesc->writable = !stuff->readOnly;
- shmdesc->size = buf.shm_segsz;
- shmdesc->next = Shmsegs;
- Shmsegs = shmdesc;
- }
- if (!AddResource(stuff->shmseg, ShmSegType, (pointer)shmdesc))
- return BadAlloc;
- return(client->noClientException);
-}
-
-/*ARGSUSED*/
-static int
-ShmDetachSegment(value, shmseg)
- pointer value; /* must conform to DeleteType */
- XID shmseg;
-{
- ShmDescPtr shmdesc = (ShmDescPtr)value;
- ShmDescPtr *prev;
-
- if (--shmdesc->refcnt)
- return TRUE;
- shmdt(shmdesc->addr);
- for (prev = &Shmsegs; *prev != shmdesc; prev = &(*prev)->next)
- ;
- *prev = shmdesc->next;
- xfree(shmdesc);
- return Success;
-}
-
-static int
-ProcShmDetach(client)
- register ClientPtr client;
-{
- ShmDescPtr shmdesc;
- REQUEST(xShmDetachReq);
-
- REQUEST_SIZE_MATCH(xShmDetachReq);
- VERIFY_SHMSEG(stuff->shmseg, shmdesc, client);
- FreeResource(stuff->shmseg, RT_NONE);
- return(client->noClientException);
-}
-
-static void
-miShmPutImage(dst, pGC, depth, format, w, h, sx, sy, sw, sh, dx, dy, data)
- DrawablePtr dst;
- GCPtr pGC;
- int depth, w, h, sx, sy, sw, sh, dx, dy;
- unsigned int format;
- char *data;
-{
- PixmapPtr pmap;
- GCPtr putGC;
-
- nxagentShmTrap = 0;
- putGC = GetScratchGC(depth, dst->pScreen);
- if (!putGC)
- {
- nxagentShmTrap = 1;
- return;
- }
- pmap = (*dst->pScreen->CreatePixmap)(dst->pScreen, sw, sh, depth);
- if (!pmap)
- {
- nxagentShmTrap = 1;
- FreeScratchGC(putGC);
- return;
- }
- ValidateGC((DrawablePtr)pmap, putGC);
- (*putGC->ops->PutImage)((DrawablePtr)pmap, putGC, depth, -sx, -sy, w, h, 0,
- (format == XYPixmap) ? XYPixmap : ZPixmap, data);
- FreeScratchGC(putGC);
- if (format == XYBitmap)
- (void)(*pGC->ops->CopyPlane)((DrawablePtr)pmap, dst, pGC, 0, 0, sw, sh,
- dx, dy, 1L);
- else
- (void)(*pGC->ops->CopyArea)((DrawablePtr)pmap, dst, pGC, 0, 0, sw, sh,
- dx, dy);
- (*pmap->drawable.pScreen->DestroyPixmap)(pmap);
- nxagentShmTrap = 1;
-}
-
-static void
-fbShmPutImage(dst, pGC, depth, format, w, h, sx, sy, sw, sh, dx, dy, data)
- DrawablePtr dst;
- GCPtr pGC;
- int depth, w, h, sx, sy, sw, sh, dx, dy;
- unsigned int format;
- char *data;
-{
- int length;
- char *newdata;
- extern int nxagentImageLength(int, int, int, int, int);
-
- #ifdef TEST
- fprintf(stderr, "fbShmPutImage: Called with drawable at [%p] GC at [%p] data at [%p].\n",
- (void *) dst, (void *) pGC, (void *) data);
- #endif
-
- if ((format == ZPixmap) || (depth == 1))
- {
- PixmapPtr pPixmap;
-
- pPixmap = GetScratchPixmapHeader(dst->pScreen, w, h, depth,
- BitsPerPixel(depth), PixmapBytePad(w, depth), (pointer)data);
- if (!pPixmap)
- return;
- if (format == XYBitmap)
- (void)(*pGC->ops->CopyPlane)((DrawablePtr)pPixmap, dst, pGC,
- sx, sy, sw, sh, dx, dy, 1L);
- else
- (void)(*pGC->ops->CopyArea)((DrawablePtr)pPixmap, dst, pGC,
- sx, sy, sw, sh, dx, dy);
-
- /*
- * We updated the internal framebuffer,
- * now we want to go on the real X.
- */
-
- #ifdef TEST
- fprintf(stderr, "fbShmPutImage: Realizing the PutImage with depth [%d] "
- " format [%d] w [%d] h [%d] sx [%d] sy [%d] sw [%d] "
- " sh [%d] dx [%d].\n", depth, format, w, h,
- sx, sy, sw, sh, dx);
- #endif
-
- length = nxagentImageLength(sw, sh, format, 0, depth);
-
- if ((newdata = xalloc(length)) != NULL)
- {
- fbGetImage((DrawablePtr) pPixmap, sx, sy, sw, sh, format, AllPlanes, newdata);
- (*pGC->ops->PutImage)(dst, pGC, depth, dx, dy, sw, sh, 0, format, newdata);
-
- xfree(newdata);
- }
- else
- {
- #ifdef WARNING
- fprintf(stderr, "fbShmPutImage: WARNING! Data allocation failed.\n");
- #endif
- }
-
- FreeScratchPixmapHeader(pPixmap);
- }
- else
- {
- #ifdef TEST
- fprintf(stderr, "fbShmPutImage: Calling miShmPutImage().\n");
- #endif
- miShmPutImage(dst, pGC, depth, format, w, h, sx, sy, sw, sh, dx, dy,
- data);
- }
-}
-
-
-#ifdef PANORAMIX
-static int
-ProcPanoramiXShmPutImage(register ClientPtr client)
-{
- int j, result = 0, orig_x, orig_y;
- PanoramiXRes *draw, *gc;
- Bool sendEvent, isRoot;
-
- REQUEST(xShmPutImageReq);
- REQUEST_SIZE_MATCH(xShmPutImageReq);
-
- if(!(draw = (PanoramiXRes *)SecurityLookupIDByClass(
- client, stuff->drawable, XRC_DRAWABLE, SecurityWriteAccess)))
- return BadDrawable;
-
- if(!(gc = (PanoramiXRes *)SecurityLookupIDByType(
- client, stuff->gc, XRT_GC, SecurityReadAccess)))
- return BadGC;
-
- isRoot = (draw->type == XRT_WINDOW) &&
- (stuff->drawable == WindowTable[0]->drawable.id);
-
- orig_x = stuff->dstX;
- orig_y = stuff->dstY;
- sendEvent = stuff->sendEvent;
- stuff->sendEvent = 0;
- FOR_NSCREENS(j) {
- if(!j) stuff->sendEvent = sendEvent;
- stuff->drawable = draw->info[j].id;
- stuff->gc = gc->info[j].id;
- if (isRoot) {
- stuff->dstX = orig_x - panoramiXdataPtr[j].x;
- stuff->dstY = orig_y - panoramiXdataPtr[j].y;
- }
- result = ProcShmPutImage(client);
- if(result != client->noClientException) break;
- }
- return(result);
-}
-
-static int
-ProcPanoramiXShmGetImage(ClientPtr client)
-{
- PanoramiXRes *draw;
- DrawablePtr drawables[MAXSCREENS];
- DrawablePtr pDraw;
- xShmGetImageReply xgi;
- ShmDescPtr shmdesc;
- int i, x, y, w, h, format;
- Mask plane = 0, planemask;
- long lenPer = 0, length, widthBytesLine;
- Bool isRoot;
-
- REQUEST(xShmGetImageReq);
-
- REQUEST_SIZE_MATCH(xShmGetImageReq);
-
- if ((stuff->format != XYPixmap) && (stuff->format != ZPixmap)) {
- client->errorValue = stuff->format;
- return(BadValue);
- }
-
- if(!(draw = (PanoramiXRes *)SecurityLookupIDByClass(
- client, stuff->drawable, XRC_DRAWABLE, SecurityWriteAccess)))
- return BadDrawable;
-
- if (draw->type == XRT_PIXMAP)
- return ProcShmGetImage(client);
-
- VERIFY_DRAWABLE(pDraw, stuff->drawable, client);
-
- VERIFY_SHMPTR(stuff->shmseg, stuff->offset, TRUE, shmdesc, client);
-
- x = stuff->x;
- y = stuff->y;
- w = stuff->width;
- h = stuff->height;
- format = stuff->format;
- planemask = stuff->planeMask;
-
- isRoot = (draw->type == XRT_WINDOW) &&
- (stuff->drawable == WindowTable[0]->drawable.id);
-
- if(isRoot) {
- if( /* check for being onscreen */
- x < 0 || x + w > PanoramiXPixWidth ||
- y < 0 || y + h > PanoramiXPixHeight )
- return(BadMatch);
- } else {
- if( /* check for being onscreen */
- panoramiXdataPtr[0].x + pDraw->x + x < 0 ||
- panoramiXdataPtr[0].x + pDraw->x + x + w > PanoramiXPixWidth ||
- panoramiXdataPtr[0].y + pDraw->y + y < 0 ||
- panoramiXdataPtr[0].y + pDraw->y + y + h > PanoramiXPixHeight ||
- /* check for being inside of border */
- x < - wBorderWidth((WindowPtr)pDraw) ||
- x + w > wBorderWidth((WindowPtr)pDraw) + (int)pDraw->width ||
- y < -wBorderWidth((WindowPtr)pDraw) ||
- y + h > wBorderWidth ((WindowPtr)pDraw) + (int)pDraw->height)
- return(BadMatch);
- }
-
- drawables[0] = pDraw;
- for(i = 1; i < PanoramiXNumScreens; i++)
- VERIFY_DRAWABLE(drawables[i], draw->info[i].id, client);
-
- xgi.visual = wVisual(((WindowPtr)pDraw));
- xgi.type = X_Reply;
- xgi.length = 0;
- xgi.sequenceNumber = client->sequence;
- xgi.depth = pDraw->depth;
-
- if(format == ZPixmap) {
- widthBytesLine = PixmapBytePad(w, pDraw->depth);
- length = widthBytesLine * h;
- } else {
- widthBytesLine = PixmapBytePad(w, 1);
- lenPer = widthBytesLine * h;
- plane = ((Mask)1) << (pDraw->depth - 1);
- length = lenPer * Ones(planemask & (plane | (plane - 1)));
- }
-
- VERIFY_SHMSIZE(shmdesc, stuff->offset, length, client);
- xgi.size = length;
-
- if (length == 0) {/* nothing to do */ }
- else if (format == ZPixmap) {
- XineramaGetImageData(drawables, x, y, w, h, format, planemask,
- shmdesc->addr + stuff->offset,
- widthBytesLine, isRoot);
- } else {
-
- length = stuff->offset;
- for (; plane; plane >>= 1) {
- if (planemask & plane) {
- XineramaGetImageData(drawables, x, y, w, h,
- format, plane, shmdesc->addr + length,
- widthBytesLine, isRoot);
- length += lenPer;
- }
- }
- }
-
- if (client->swapped) {
- register int n;
- swaps(&xgi.sequenceNumber, n);
- swapl(&xgi.length, n);
- swapl(&xgi.visual, n);
- swapl(&xgi.size, n);
- }
- WriteToClient(client, sizeof(xShmGetImageReply), (char *)&xgi);
-
- return(client->noClientException);
-}
-
-static int
-ProcPanoramiXShmCreatePixmap(client)
- register ClientPtr client;
-{
- ScreenPtr pScreen = NULL;
- PixmapPtr pMap = NULL;
- DrawablePtr pDraw;
- DepthPtr pDepth;
- int i, j, result;
- ShmDescPtr shmdesc;
- REQUEST(xShmCreatePixmapReq);
- PanoramiXRes *newPix;
-
- REQUEST_SIZE_MATCH(xShmCreatePixmapReq);
- client->errorValue = stuff->pid;
- if (!sharedPixmaps)
- return BadImplementation;
- LEGAL_NEW_RESOURCE(stuff->pid, client);
- VERIFY_GEOMETRABLE(pDraw, stuff->drawable, client);
- VERIFY_SHMPTR(stuff->shmseg, stuff->offset, TRUE, shmdesc, client);
- if (!stuff->width || !stuff->height)
- {
- client->errorValue = 0;
- return BadValue;
- }
- if (stuff->depth != 1)
- {
- pDepth = pDraw->pScreen->allowedDepths;
- for (i=0; i<pDraw->pScreen->numDepths; i++, pDepth++)
- if (pDepth->depth == stuff->depth)
- goto CreatePmap;
- client->errorValue = stuff->depth;
- return BadValue;
- }
-CreatePmap:
- VERIFY_SHMSIZE(shmdesc, stuff->offset,
- PixmapBytePad(stuff->width, stuff->depth) * stuff->height,
- client);
-
- if(!(newPix = (PanoramiXRes *) xalloc(sizeof(PanoramiXRes))))
- return BadAlloc;
-
- newPix->type = XRT_PIXMAP;
- newPix->u.pix.shared = TRUE;
- newPix->info[0].id = stuff->pid;
- for(j = 1; j < PanoramiXNumScreens; j++)
- newPix->info[j].id = FakeClientID(client->index);
-
- result = (client->noClientException);
-
- FOR_NSCREENS(j) {
- pScreen = screenInfo.screens[j];
-
- pMap = (*shmFuncs[j]->CreatePixmap)(pScreen,
- stuff->width, stuff->height, stuff->depth,
- shmdesc->addr + stuff->offset);
-
- if (pMap) {
-#ifdef PIXPRIV
- pMap->devPrivates[shmPixmapPrivate].ptr = (pointer) shmdesc;
-#endif
- shmdesc->refcnt++;
- pMap->drawable.serialNumber = NEXT_SERIAL_NUMBER;
- pMap->drawable.id = newPix->info[j].id;
- if (!AddResource(newPix->info[j].id, RT_PIXMAP, (pointer)pMap)) {
- (*pScreen->DestroyPixmap)(pMap);
- result = BadAlloc;
- break;
- }
- } else {
- result = BadAlloc;
- break;
- }
- }
-
- if(result == BadAlloc) {
- while(j--) {
- (*pScreen->DestroyPixmap)(pMap);
- FreeResource(newPix->info[j].id, RT_NONE);
- }
- xfree(newPix);
- } else
- AddResource(stuff->pid, XRT_PIXMAP, newPix);
-
- return result;
-}
-
-#endif
-
-static int
-ProcShmPutImage(client)
- register ClientPtr client;
-{
- register GCPtr pGC;
- register DrawablePtr pDraw;
- long length;
- ShmDescPtr shmdesc;
- REQUEST(xShmPutImageReq);
-
- REQUEST_SIZE_MATCH(xShmPutImageReq);
- VALIDATE_DRAWABLE_AND_GC(stuff->drawable, pDraw, pGC, client);
- VERIFY_SHMPTR(stuff->shmseg, stuff->offset, FALSE, shmdesc, client);
- if ((stuff->sendEvent != xTrue) && (stuff->sendEvent != xFalse))
- return BadValue;
- if (stuff->format == XYBitmap)
- {
- if (stuff->depth != 1)
- return BadMatch;
- length = PixmapBytePad(stuff->totalWidth, 1);
- }
- else if (stuff->format == XYPixmap)
- {
- if (pDraw->depth != stuff->depth)
- return BadMatch;
- length = PixmapBytePad(stuff->totalWidth, 1);
- length *= stuff->depth;
- }
- else if (stuff->format == ZPixmap)
- {
- if (pDraw->depth != stuff->depth)
- return BadMatch;
- length = PixmapBytePad(stuff->totalWidth, stuff->depth);
- }
- else
- {
- client->errorValue = stuff->format;
- return BadValue;
- }
-
- VERIFY_SHMSIZE(shmdesc, stuff->offset, length * stuff->totalHeight,
- client);
- if (stuff->srcX > stuff->totalWidth)
- {
- client->errorValue = stuff->srcX;
- return BadValue;
- }
- if (stuff->srcY > stuff->totalHeight)
- {
- client->errorValue = stuff->srcY;
- return BadValue;
- }
- if ((stuff->srcX + stuff->srcWidth) > stuff->totalWidth)
- {
- client->errorValue = stuff->srcWidth;
- return BadValue;
- }
- if ((stuff->srcY + stuff->srcHeight) > stuff->totalHeight)
- {
- client->errorValue = stuff->srcHeight;
- return BadValue;
- }
-
- #ifdef TEST
- fprintf(stderr, "ProcShmPutImage: Format [%d] srcX [%d] srcY [%d], "
- "totalWidth [%d] totalHeight [%d]\n", stuff->format, stuff->srcX,
- stuff->srcY, stuff->totalWidth, stuff->totalHeight);
- #endif
-
- #ifdef TEST
- fprintf(stderr, "ProcShmPutImage: Calling (*shmFuncs[pDraw->pScreen->myNum]->PutImage)().\n");
- #endif
-
- (*shmFuncs[pDraw->pScreen->myNum]->PutImage)(
- pDraw, pGC, stuff->depth, stuff->format,
- stuff->totalWidth, stuff->totalHeight,
- stuff->srcX, stuff->srcY,
- stuff->srcWidth, stuff->srcHeight,
- stuff->dstX, stuff->dstY,
- shmdesc->addr + stuff->offset);
-
- if (stuff->sendEvent)
- {
- xShmCompletionEvent ev;
-
- ev.type = ShmCompletionCode;
- ev.drawable = stuff->drawable;
- ev.sequenceNumber = client->sequence;
- ev.minorEvent = X_ShmPutImage;
- ev.majorEvent = ShmReqCode;
- ev.shmseg = stuff->shmseg;
- ev.offset = stuff->offset;
- WriteEventsToClient(client, 1, (xEvent *) &ev);
- }
-
- return (client->noClientException);
-}
-
-
-
-static int
-ProcShmGetImage(client)
- register ClientPtr client;
-{
- register DrawablePtr pDraw;
- long lenPer = 0, length;
- Mask plane = 0;
- xShmGetImageReply xgi;
- ShmDescPtr shmdesc;
- int n;
-
- REQUEST(xShmGetImageReq);
-
- REQUEST_SIZE_MATCH(xShmGetImageReq);
- if ((stuff->format != XYPixmap) && (stuff->format != ZPixmap))
- {
- client->errorValue = stuff->format;
- return(BadValue);
- }
- VERIFY_DRAWABLE(pDraw, stuff->drawable, client);
- VERIFY_SHMPTR(stuff->shmseg, stuff->offset, TRUE, shmdesc, client);
- if (pDraw->type == DRAWABLE_WINDOW)
- {
- if( /* check for being viewable */
- !((WindowPtr) pDraw)->realized ||
- /* check for being on screen */
- pDraw->x + stuff->x < 0 ||
- pDraw->x + stuff->x + (int)stuff->width > pDraw->pScreen->width ||
- pDraw->y + stuff->y < 0 ||
- pDraw->y + stuff->y + (int)stuff->height > pDraw->pScreen->height ||
- /* check for being inside of border */
- stuff->x < - wBorderWidth((WindowPtr)pDraw) ||
- stuff->x + (int)stuff->width >
- wBorderWidth((WindowPtr)pDraw) + (int)pDraw->width ||
- stuff->y < -wBorderWidth((WindowPtr)pDraw) ||
- stuff->y + (int)stuff->height >
- wBorderWidth((WindowPtr)pDraw) + (int)pDraw->height
- )
- return(BadMatch);
- xgi.visual = wVisual(((WindowPtr)pDraw));
- }
- else
- {
- if (stuff->x < 0 ||
- stuff->x+(int)stuff->width > pDraw->width ||
- stuff->y < 0 ||
- stuff->y+(int)stuff->height > pDraw->height
- )
- return(BadMatch);
- xgi.visual = None;
- }
- xgi.type = X_Reply;
- xgi.length = 0;
- xgi.sequenceNumber = client->sequence;
- xgi.depth = pDraw->depth;
- if(stuff->format == ZPixmap)
- {
- length = PixmapBytePad(stuff->width, pDraw->depth) * stuff->height;
- }
- else
- {
- lenPer = PixmapBytePad(stuff->width, 1) * stuff->height;
- plane = ((Mask)1) << (pDraw->depth - 1);
- /* only planes asked for */
- length = lenPer * Ones(stuff->planeMask & (plane | (plane - 1)));
- }
-
- VERIFY_SHMSIZE(shmdesc, stuff->offset, length, client);
- xgi.size = length;
-
- if (length == 0)
- {
- /* nothing to do */
- }
- else if (stuff->format == ZPixmap)
- {
- (*pDraw->pScreen->GetImage)(pDraw, stuff->x, stuff->y,
- stuff->width, stuff->height,
- stuff->format, stuff->planeMask,
- shmdesc->addr + stuff->offset);
- }
- else
- {
-
- length = stuff->offset;
- for (; plane; plane >>= 1)
- {
- if (stuff->planeMask & plane)
- {
- (*pDraw->pScreen->GetImage)(pDraw,
- stuff->x, stuff->y,
- stuff->width, stuff->height,
- stuff->format, plane,
- shmdesc->addr + length);
- length += lenPer;
- }
- }
- }
-
- if (client->swapped) {
- swaps(&xgi.sequenceNumber, n);
- swapl(&xgi.length, n);
- swapl(&xgi.visual, n);
- swapl(&xgi.size, n);
- }
- WriteToClient(client, sizeof(xShmGetImageReply), (char *)&xgi);
-
- return(client->noClientException);
-}
-
-static PixmapPtr
-fbShmCreatePixmap (pScreen, width, height, depth, addr)
- ScreenPtr pScreen;
- int width;
- int height;
- int depth;
- char *addr;
-{
- register PixmapPtr pPixmap;
-
- nxagentShmPixmapTrap = 1;
-
- pPixmap = (*pScreen->CreatePixmap)(pScreen, width, height, depth);
-
- if (!pPixmap)
- {
- nxagentShmPixmapTrap = 0;
-
- return NullPixmap;
- }
-
- #ifdef TEST
- fprintf(stderr,"fbShmCreatePixmap: Width [%d] Height [%d] Depth [%d]\n", width, height, depth);
- #endif
-
- if (!(*pScreen->ModifyPixmapHeader)(pPixmap, width, height, depth,
- BitsPerPixel(depth), PixmapBytePad(width, depth), (pointer)addr))
- {
- #ifdef WARNING
- fprintf(stderr,"fbShmCreatePixmap: Return Null Pixmap.\n");
- #endif
-
- (*pScreen->DestroyPixmap)(pPixmap);
-
- nxagentShmPixmapTrap = 0;
-
- return NullPixmap;
- }
-
- nxagentShmPixmapTrap = 0;
-
- return pPixmap;
-}
-
-static int
-ProcShmCreatePixmap(client)
- register ClientPtr client;
-{
- PixmapPtr pMap;
- register DrawablePtr pDraw;
- DepthPtr pDepth;
- register int i;
- ShmDescPtr shmdesc;
- REQUEST(xShmCreatePixmapReq);
-
- REQUEST_SIZE_MATCH(xShmCreatePixmapReq);
- client->errorValue = stuff->pid;
- if (!sharedPixmaps)
- return BadImplementation;
- LEGAL_NEW_RESOURCE(stuff->pid, client);
- VERIFY_GEOMETRABLE(pDraw, stuff->drawable, client);
- VERIFY_SHMPTR(stuff->shmseg, stuff->offset, TRUE, shmdesc, client);
- if (!stuff->width || !stuff->height)
- {
- client->errorValue = 0;
- return BadValue;
- }
- if (stuff->depth != 1)
- {
- pDepth = pDraw->pScreen->allowedDepths;
- for (i=0; i<pDraw->pScreen->numDepths; i++, pDepth++)
- if (pDepth->depth == stuff->depth)
- goto CreatePmap;
- client->errorValue = stuff->depth;
- return BadValue;
- }
-CreatePmap:
- VERIFY_SHMSIZE(shmdesc, stuff->offset,
- PixmapBytePad(stuff->width, stuff->depth) * stuff->height,
- client);
- pMap = (*shmFuncs[pDraw->pScreen->myNum]->CreatePixmap)(
- pDraw->pScreen, stuff->width,
- stuff->height, stuff->depth,
- shmdesc->addr + stuff->offset);
- if (pMap)
- {
-#ifdef PIXPRIV
- pMap->devPrivates[shmPixmapPrivate].ptr = (pointer) shmdesc;
-#endif
- shmdesc->refcnt++;
- pMap->drawable.serialNumber = NEXT_SERIAL_NUMBER;
- pMap->drawable.id = stuff->pid;
- if (AddResource(stuff->pid, RT_PIXMAP, (pointer)pMap))
- {
- return(client->noClientException);
- }
- }
- return (BadAlloc);
-}
-
-static int
-ProcShmDispatch (client)
- register ClientPtr client;
-{
- REQUEST(xReq);
-
- #ifdef TEST
- fprintf(stderr, "ProcShmDispatch: Going to execute operation [%d] for client [%d].\n",
- stuff -> data, client -> index);
- #endif
-
- switch (stuff->data)
- {
- case X_ShmQueryVersion:
- return ProcShmQueryVersion(client);
- case X_ShmAttach:
- return ProcShmAttach(client);
- case X_ShmDetach:
- return ProcShmDetach(client);
- case X_ShmPutImage:
- {
- int result;
-
- #ifdef TEST
- fprintf(stderr, "ProcShmDispatch: Going to execute ProcShmPutImage() for client [%d].\n",
- client -> index);
- #endif
-
- nxagentShmTrap = 1;
-
-#ifdef PANORAMIX
- if ( !noPanoramiXExtension )
- {
- result = ProcPanoramiXShmPutImage(client);
-
- nxagentShmTrap = 0;
-
- return result;
- }
-#endif
-
- result = ProcShmPutImage(client);
-
- nxagentShmTrap = 0;
-
- #ifdef TEST
- fprintf(stderr, "ProcShmDispatch: Returning from ProcShmPutImage() for client [%d].\n",
- client -> index);
- #endif
-
- return result;
- }
- case X_ShmGetImage:
-#ifdef PANORAMIX
- if ( !noPanoramiXExtension )
- return ProcPanoramiXShmGetImage(client);
-#endif
- return ProcShmGetImage(client);
- case X_ShmCreatePixmap:
-#ifdef PANORAMIX
- if ( !noPanoramiXExtension )
- return ProcPanoramiXShmCreatePixmap(client);
-#endif
- return ProcShmCreatePixmap(client);
- default:
- return BadRequest;
- }
-}
-
-static void
-SShmCompletionEvent(from, to)
- xShmCompletionEvent *from, *to;
-{
- to->type = from->type;
- cpswaps(from->sequenceNumber, to->sequenceNumber);
- cpswapl(from->drawable, to->drawable);
- cpswaps(from->minorEvent, to->minorEvent);
- to->majorEvent = from->majorEvent;
- cpswapl(from->shmseg, to->shmseg);
- cpswapl(from->offset, to->offset);
-}
-
-static int
-SProcShmQueryVersion(client)
- register ClientPtr client;
-{
- register int n;
- REQUEST(xShmQueryVersionReq);
-
- swaps(&stuff->length, n);
- return ProcShmQueryVersion(client);
-}
-
-static int
-SProcShmAttach(client)
- ClientPtr client;
-{
- register int n;
- REQUEST(xShmAttachReq);
- swaps(&stuff->length, n);
- REQUEST_SIZE_MATCH(xShmAttachReq);
- swapl(&stuff->shmseg, n);
- swapl(&stuff->shmid, n);
- return ProcShmAttach(client);
-}
-
-static int
-SProcShmDetach(client)
- ClientPtr client;
-{
- register int n;
- REQUEST(xShmDetachReq);
- swaps(&stuff->length, n);
- REQUEST_SIZE_MATCH(xShmDetachReq);
- swapl(&stuff->shmseg, n);
- return ProcShmDetach(client);
-}
-
-static int
-SProcShmPutImage(client)
- ClientPtr client;
-{
- register int n;
- REQUEST(xShmPutImageReq);
- swaps(&stuff->length, n);
- REQUEST_SIZE_MATCH(xShmPutImageReq);
- swapl(&stuff->drawable, n);
- swapl(&stuff->gc, n);
- swaps(&stuff->totalWidth, n);
- swaps(&stuff->totalHeight, n);
- swaps(&stuff->srcX, n);
- swaps(&stuff->srcY, n);
- swaps(&stuff->srcWidth, n);
- swaps(&stuff->srcHeight, n);
- swaps(&stuff->dstX, n);
- swaps(&stuff->dstY, n);
- swapl(&stuff->shmseg, n);
- swapl(&stuff->offset, n);
- return ProcShmPutImage(client);
-}
-
-static int
-SProcShmGetImage(client)
- ClientPtr client;
-{
- register int n;
- REQUEST(xShmGetImageReq);
- swaps(&stuff->length, n);
- REQUEST_SIZE_MATCH(xShmGetImageReq);
- swapl(&stuff->drawable, n);
- swaps(&stuff->x, n);
- swaps(&stuff->y, n);
- swaps(&stuff->width, n);
- swaps(&stuff->height, n);
- swapl(&stuff->planeMask, n);
- swapl(&stuff->shmseg, n);
- swapl(&stuff->offset, n);
- return ProcShmGetImage(client);
-}
-
-static int
-SProcShmCreatePixmap(client)
- ClientPtr client;
-{
- register int n;
- REQUEST(xShmCreatePixmapReq);
- swaps(&stuff->length, n);
- REQUEST_SIZE_MATCH(xShmCreatePixmapReq);
- swapl(&stuff->drawable, n);
- swaps(&stuff->width, n);
- swaps(&stuff->height, n);
- swapl(&stuff->shmseg, n);
- swapl(&stuff->offset, n);
- return ProcShmCreatePixmap(client);
-}
-
-static int
-SProcShmDispatch (client)
- register ClientPtr client;
-{
- REQUEST(xReq);
-
- #ifdef TEST
- fprintf(stderr, "SProcShmDispatch: Going to execute operation [%d] for client [%d].\n",
- stuff -> data, client -> index);
- #endif
-
- switch (stuff->data)
- {
- case X_ShmQueryVersion:
- return SProcShmQueryVersion(client);
- case X_ShmAttach:
- return SProcShmAttach(client);
- case X_ShmDetach:
- return SProcShmDetach(client);
- case X_ShmPutImage:
- {
- int result;
-
- #ifdef TEST
- fprintf(stderr, "SProcShmDispatch: Going to execute SProcShmPutImage() for client [%d].\n",
- client -> index);
- #endif
-
- nxagentShmTrap = 1;
-
- result = SProcShmPutImage(client);
-
- nxagentShmTrap = 0;
-
- #ifdef TEST
- fprintf(stderr, "SProcShmDispatch: Returning from SProcShmPutImage() for client [%d].\n",
- client -> index);
- #endif
-
- return result;
- }
- case X_ShmGetImage:
- return SProcShmGetImage(client);
- case X_ShmCreatePixmap:
- return SProcShmCreatePixmap(client);
- default:
- return BadRequest;
- }
-}
-
-#endif /* #ifdef NXAGENT_UPGRADE */
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-24 01:42:59 +0000