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-rw-r--r--nx-X11/programs/Xserver/hw/nxagent/NXshm.c965
1 files changed, 3 insertions, 962 deletions
diff --git a/nx-X11/programs/Xserver/hw/nxagent/NXshm.c b/nx-X11/programs/Xserver/hw/nxagent/NXshm.c
index 95905fde7..d2ff7fd8f 100644
--- a/nx-X11/programs/Xserver/hw/nxagent/NXshm.c
+++ b/nx-X11/programs/Xserver/hw/nxagent/NXshm.c
@@ -46,55 +46,16 @@ in this Software without prior written authorization from The Open Group.
/* $Xorg: shm.c,v 1.4 2001/02/09 02:04:33 xorgcvs Exp $ */
-#define SHM
-
-#ifdef HAVE_DIX_CONFIG_H
-#include <dix-config.h>
-#endif
-
-#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 <nx-X11/X.h>
-#include <nx-X11/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 <nx-X11/extensions/shmstr.h>
-#include <nx-X11/Xfuncproto.h>
-#ifdef EXTMODULE
-#include "xf86_ansic.h"
-#endif
-
-#ifdef PANORAMIX
-#include "panoramiX.h"
-#include "panoramiXsrv.h"
-#endif
-
-#include "modinit.h"
#include "Trap.h"
#include "Agent.h"
+
#include "Drawable.h"
#include "Pixmaps.h"
+#include "../../Xext/shm.c"
+
/*
* Set here the required log level.
*/
@@ -115,135 +76,6 @@ 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(
- void * /* value */,
- XID /* shmseg */
- );
-static void ShmResetProc(
- ExtensionEntry * /* extEntry */
- );
-static void SShmCompletionEvent(
- xShmCompletionEvent * /* from */,
- xShmCompletionEvent * /* to */
- );
-
-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);
-
- if (shmid != -1)
- {
- /* Successful allocation - clean up */
- shmctl(shmid, IPC_RMID, (struct shmid_ds *)NULL);
- }
- else
- {
- /* Allocation failed */
- badSysCall = TRUE;
- }
- signal(SIGSYS, oldHandler);
- return(!badSysCall);
-}
-
-#define MUST_CHECK_FOR_SHM_SYSCALL
-
-#endif
-
void
ShmExtensionInit(INITARGS)
{
@@ -318,245 +150,6 @@ ShmExtensionInit(INITARGS)
}
}
-/*ARGSUSED*/
-static void
-ShmResetProc (extEntry)
-ExtensionEntry *extEntry;
-{
- int i;
-
- for (i = 0; i < MAXSCREENS; i++)
- {
- shmFuncs[i] = (ShmFuncsPtr)NULL;
- shmPixFormat[i] = 0;
- }
-}
-
-void
-ShmRegisterFuncs(
- ScreenPtr pScreen,
- ShmFuncsPtr funcs)
-{
- shmFuncs[pScreen->myNum] = funcs;
-}
-
-void
-ShmSetPixmapFormat(
- 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 != (void *) (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 ((void *) 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);
- memset(&rep, 0, sizeof(xShmQueryVersionReply));
- 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, (void *)shmdesc))
- return BadAlloc;
- return(client->noClientException);
-}
-
-/*ARGSUSED*/
-static int
-ShmDetachSegment(value, shmseg)
- void * 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;
@@ -668,266 +261,6 @@ fbShmPutImage(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) && draw->u.win.root;
-
- 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) && draw->u.win.root;
-
- 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(
- register ClientPtr client)
-{
- ScreenPtr pScreen = NULL;
- PixmapPtr pMap = NULL;
- DrawablePtr pDraw;
- DepthPtr pDepth;
- int i, j, result;
- ShmDescPtr shmdesc;
- REQUEST(xShmCreatePixmapReq);
- unsigned int width, height, depth;
- unsigned long size;
- 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);
-
- width = stuff->width;
- height = stuff->height;
- depth = stuff->depth;
- if (!width || !height || !depth)
- {
- client->errorValue = 0;
- return BadValue;
- }
- if (width > 32767 || height > 32767)
- return BadAlloc;
-
- 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:
- size = PixmapBytePad(width, depth) * height;
- if (sizeof(size) == 4 && BitsPerPixel(depth) > 8) {
- if (size < width * height)
- return BadAlloc;
- /* thankfully, offset is unsigned */
- if (stuff->offset + size < size)
- return BadAlloc;
- }
-
- VERIFY_SHMSIZE(shmdesc, stuff->offset, size, 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 = (void *) 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, (void *)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;
@@ -1036,117 +369,6 @@ ProcShmPutImage(client)
}
-
-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;
@@ -1191,78 +413,6 @@ fbShmCreatePixmap (pScreen, width, height, depth, addr)
return pPixmap;
}
-static int
-ProcShmCreatePixmap(client)
- register ClientPtr client;
-{
- PixmapPtr pMap;
- register DrawablePtr pDraw;
- DepthPtr pDepth;
- register int i;
- ShmDescPtr shmdesc;
- REQUEST(xShmCreatePixmapReq);
- unsigned int width, height, depth;
- unsigned long size;
-
- 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);
-
- width = stuff->width;
- height = stuff->height;
- depth = stuff->depth;
- if (!width || !height || !depth)
- {
- client->errorValue = 0;
- return BadValue;
- }
- if (width > 32767 || height > 32767)
- return BadAlloc;
-
- 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:
- size = PixmapBytePad(width, depth) * height;
- if (sizeof(size) == 4 && BitsPerPixel(depth) > 8) {
- if (size < width * height)
- return BadAlloc;
- /* thankfully, offset is unsigned */
- if (stuff->offset + size < size)
- return BadAlloc;
- }
-
- VERIFY_SHMSIZE(shmdesc, stuff->offset, size, 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 = (void *) shmdesc;
-#endif
- shmdesc->refcnt++;
- pMap->drawable.serialNumber = NEXT_SERIAL_NUMBER;
- pMap->drawable.id = stuff->pid;
- if (AddResource(stuff->pid, RT_PIXMAP, (void *)pMap))
- {
- return(client->noClientException);
- }
- }
- return (BadAlloc);
-}
static int
ProcShmDispatch (client)
@@ -1339,114 +489,6 @@ ProcShmDispatch (client)
}
}
-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->pid, n);
- 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;
@@ -1496,4 +538,3 @@ SProcShmDispatch (client)
return BadRequest;
}
}
-
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-06 23:14:03 +0000