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Diffstat (limited to 'xorg-server/Xext/xres.c')
-rw-r--r--xorg-server/Xext/xres.c390
1 files changed, 390 insertions, 0 deletions
diff --git a/xorg-server/Xext/xres.c b/xorg-server/Xext/xres.c
new file mode 100644
index 000000000..f444c4e69
--- /dev/null
+++ b/xorg-server/Xext/xres.c
@@ -0,0 +1,390 @@
+/*
+ Copyright (c) 2002 XFree86 Inc
+*/
+
+#define NEED_EVENTS
+#define NEED_REPLIES
+#ifdef HAVE_DIX_CONFIG_H
+#include <dix-config.h>
+#endif
+
+#include <stdio.h>
+#include <string.h>
+#include <X11/X.h>
+#include <X11/Xproto.h>
+#include "misc.h"
+#include "os.h"
+#include "dixstruct.h"
+#include "extnsionst.h"
+#include "swaprep.h"
+#include "registry.h"
+#include <X11/extensions/XResproto.h>
+#include "pixmapstr.h"
+#include "windowstr.h"
+#include "gcstruct.h"
+#include "modinit.h"
+
+static int
+ProcXResQueryVersion (ClientPtr client)
+{
+ REQUEST(xXResQueryVersionReq);
+ xXResQueryVersionReply rep;
+ CARD16 client_major, client_minor; /* not used */
+
+ REQUEST_SIZE_MATCH (xXResQueryVersionReq);
+
+ client_major = stuff->client_major;
+ client_minor = stuff->client_minor;
+ (void) client_major;
+ (void) client_minor;
+
+ rep.type = X_Reply;
+ rep.length = 0;
+ rep.sequenceNumber = client->sequence;
+ rep.server_major = XRES_MAJOR_VERSION;
+ rep.server_minor = XRES_MINOR_VERSION;
+ if (client->swapped) {
+ int n;
+ swaps(&rep.sequenceNumber, n);
+ swapl(&rep.length, n);
+ swaps(&rep.server_major, n);
+ swaps(&rep.server_minor, n);
+ }
+ WriteToClient(client, sizeof (xXResQueryVersionReply), (char *)&rep);
+ return (client->noClientException);
+}
+
+static int
+ProcXResQueryClients (ClientPtr client)
+{
+ /* REQUEST(xXResQueryClientsReq); */
+ xXResQueryClientsReply rep;
+ int *current_clients;
+ int i, num_clients;
+
+ REQUEST_SIZE_MATCH(xXResQueryClientsReq);
+
+ current_clients = xalloc(currentMaxClients * sizeof(int));
+
+ num_clients = 0;
+ for(i = 0; i < currentMaxClients; i++) {
+ if(clients[i]) {
+ current_clients[num_clients] = i;
+ num_clients++;
+ }
+ }
+
+ rep.type = X_Reply;
+ rep.sequenceNumber = client->sequence;
+ rep.num_clients = num_clients;
+ rep.length = rep.num_clients * sz_xXResClient >> 2;
+ if (client->swapped) {
+ int n;
+ swaps (&rep.sequenceNumber, n);
+ swapl (&rep.length, n);
+ swapl (&rep.num_clients, n);
+ }
+ WriteToClient (client, sizeof (xXResQueryClientsReply), (char *) &rep);
+
+ if(num_clients) {
+ xXResClient scratch;
+
+ for(i = 0; i < num_clients; i++) {
+ scratch.resource_base = clients[current_clients[i]]->clientAsMask;
+ scratch.resource_mask = RESOURCE_ID_MASK;
+
+ if(client->swapped) {
+ register int n;
+ swapl (&scratch.resource_base, n);
+ swapl (&scratch.resource_mask, n);
+ }
+ WriteToClient (client, sz_xXResClient, (char *) &scratch);
+ }
+ }
+
+ xfree(current_clients);
+
+ return (client->noClientException);
+}
+
+
+static void
+ResFindAllRes (pointer value, XID id, RESTYPE type, pointer cdata)
+{
+ int *counts = (int *)cdata;
+
+ counts[(type & TypeMask) - 1]++;
+}
+
+static int
+ProcXResQueryClientResources (ClientPtr client)
+{
+ REQUEST(xXResQueryClientResourcesReq);
+ xXResQueryClientResourcesReply rep;
+ int i, clientID, num_types;
+ int *counts;
+
+ REQUEST_SIZE_MATCH(xXResQueryClientResourcesReq);
+
+ clientID = CLIENT_ID(stuff->xid);
+
+ if((clientID >= currentMaxClients) || !clients[clientID]) {
+ client->errorValue = stuff->xid;
+ return BadValue;
+ }
+
+ counts = xalloc((lastResourceType + 1) * sizeof(int));
+
+ memset(counts, 0, (lastResourceType + 1) * sizeof(int));
+
+ FindAllClientResources(clients[clientID], ResFindAllRes, counts);
+
+ num_types = 0;
+
+ for(i = 0; i <= lastResourceType; i++) {
+ if(counts[i]) num_types++;
+ }
+
+ rep.type = X_Reply;
+ rep.sequenceNumber = client->sequence;
+ rep.num_types = num_types;
+ rep.length = rep.num_types * sz_xXResType >> 2;
+ if (client->swapped) {
+ int n;
+ swaps (&rep.sequenceNumber, n);
+ swapl (&rep.length, n);
+ swapl (&rep.num_types, n);
+ }
+
+ WriteToClient (client,sizeof(xXResQueryClientResourcesReply),(char*)&rep);
+
+ if(num_types) {
+ xXResType scratch;
+ char *name;
+
+ for(i = 0; i < lastResourceType; i++) {
+ if(!counts[i]) continue;
+
+ name = (char *)LookupResourceName(i + 1);
+ if (strcmp(name, XREGISTRY_UNKNOWN))
+ scratch.resource_type = MakeAtom(name, strlen(name), TRUE);
+ else {
+ char buf[40];
+ snprintf(buf, sizeof(buf), "Unregistered resource %i", i + 1);
+ scratch.resource_type = MakeAtom(buf, strlen(buf), TRUE);
+ }
+
+ scratch.count = counts[i];
+
+ if(client->swapped) {
+ register int n;
+ swapl (&scratch.resource_type, n);
+ swapl (&scratch.count, n);
+ }
+ WriteToClient (client, sz_xXResType, (char *) &scratch);
+ }
+ }
+
+ xfree(counts);
+
+ return (client->noClientException);
+}
+
+static unsigned long
+ResGetApproxPixmapBytes (PixmapPtr pix)
+{
+ unsigned long nPixels;
+ int bytesPerPixel;
+
+ bytesPerPixel = pix->drawable.bitsPerPixel>>3;
+ nPixels = pix->drawable.width * pix->drawable.height;
+
+ /* Divide by refcnt as pixmap could be shared between clients,
+ * so total pixmap mem is shared between these.
+ */
+ return ( nPixels * bytesPerPixel ) / pix->refcnt;
+}
+
+static void
+ResFindPixmaps (pointer value, XID id, pointer cdata)
+{
+ unsigned long *bytes = (unsigned long *)cdata;
+ PixmapPtr pix = (PixmapPtr)value;
+
+ *bytes += ResGetApproxPixmapBytes(pix);
+}
+
+static void
+ResFindWindowPixmaps (pointer value, XID id, pointer cdata)
+{
+ unsigned long *bytes = (unsigned long *)cdata;
+ WindowPtr pWin = (WindowPtr)value;
+
+ if (pWin->backgroundState == BackgroundPixmap)
+ *bytes += ResGetApproxPixmapBytes(pWin->background.pixmap);
+
+ if (pWin->border.pixmap != NULL && !pWin->borderIsPixel)
+ *bytes += ResGetApproxPixmapBytes(pWin->border.pixmap);
+}
+
+static void
+ResFindGCPixmaps (pointer value, XID id, pointer cdata)
+{
+ unsigned long *bytes = (unsigned long *)cdata;
+ GCPtr pGC = (GCPtr)value;
+
+ if (pGC->stipple != NULL)
+ *bytes += ResGetApproxPixmapBytes(pGC->stipple);
+
+ if (pGC->tile.pixmap != NULL && !pGC->tileIsPixel)
+ *bytes += ResGetApproxPixmapBytes(pGC->tile.pixmap);
+}
+
+static int
+ProcXResQueryClientPixmapBytes (ClientPtr client)
+{
+ REQUEST(xXResQueryClientPixmapBytesReq);
+ xXResQueryClientPixmapBytesReply rep;
+ int clientID;
+ unsigned long bytes;
+
+ REQUEST_SIZE_MATCH(xXResQueryClientPixmapBytesReq);
+
+ clientID = CLIENT_ID(stuff->xid);
+
+ if((clientID >= currentMaxClients) || !clients[clientID]) {
+ client->errorValue = stuff->xid;
+ return BadValue;
+ }
+
+ bytes = 0;
+
+ FindClientResourcesByType(clients[clientID], RT_PIXMAP, ResFindPixmaps,
+ (pointer)(&bytes));
+
+ /*
+ * Make sure win background pixmaps also held to account.
+ */
+ FindClientResourcesByType(clients[clientID], RT_WINDOW,
+ ResFindWindowPixmaps,
+ (pointer)(&bytes));
+
+ /*
+ * GC Tile & Stipple pixmaps too.
+ */
+ FindClientResourcesByType(clients[clientID], RT_GC,
+ ResFindGCPixmaps,
+ (pointer)(&bytes));
+
+#ifdef COMPOSITE
+ /* FIXME: include composite pixmaps too */
+#endif
+
+ rep.type = X_Reply;
+ rep.sequenceNumber = client->sequence;
+ rep.length = 0;
+ rep.bytes = bytes;
+#ifdef _XSERVER64
+ rep.bytes_overflow = bytes >> 32;
+#else
+ rep.bytes_overflow = 0;
+#endif
+ if (client->swapped) {
+ int n;
+ swaps (&rep.sequenceNumber, n);
+ swapl (&rep.length, n);
+ swapl (&rep.bytes, n);
+ swapl (&rep.bytes_overflow, n);
+ }
+ WriteToClient (client,sizeof(xXResQueryClientPixmapBytesReply),(char*)&rep);
+
+ return (client->noClientException);
+}
+
+
+static void
+ResResetProc (ExtensionEntry *extEntry) { }
+
+static int
+ProcResDispatch (ClientPtr client)
+{
+ REQUEST(xReq);
+ switch (stuff->data) {
+ case X_XResQueryVersion:
+ return ProcXResQueryVersion(client);
+ case X_XResQueryClients:
+ return ProcXResQueryClients(client);
+ case X_XResQueryClientResources:
+ return ProcXResQueryClientResources(client);
+ case X_XResQueryClientPixmapBytes:
+ return ProcXResQueryClientPixmapBytes(client);
+ default: break;
+ }
+
+ return BadRequest;
+}
+
+static int
+SProcXResQueryVersion (ClientPtr client)
+{
+ REQUEST(xXResQueryVersionReq);
+ int n;
+
+ REQUEST_SIZE_MATCH (xXResQueryVersionReq);
+ swaps(&stuff->client_major,n);
+ swaps(&stuff->client_minor,n);
+ return ProcXResQueryVersion(client);
+}
+
+static int
+SProcXResQueryClientResources (ClientPtr client)
+{
+ REQUEST(xXResQueryClientResourcesReq);
+ int n;
+
+ REQUEST_SIZE_MATCH (xXResQueryClientResourcesReq);
+ swaps(&stuff->xid,n);
+ return ProcXResQueryClientResources(client);
+}
+
+static int
+SProcXResQueryClientPixmapBytes (ClientPtr client)
+{
+ REQUEST(xXResQueryClientPixmapBytesReq);
+ int n;
+
+ REQUEST_SIZE_MATCH (xXResQueryClientPixmapBytesReq);
+ swaps(&stuff->xid,n);
+ return ProcXResQueryClientPixmapBytes(client);
+}
+
+static int
+SProcResDispatch (ClientPtr client)
+{
+ REQUEST(xReq);
+ int n;
+
+ swaps(&stuff->length,n);
+
+ switch (stuff->data) {
+ case X_XResQueryVersion:
+ return SProcXResQueryVersion(client);
+ case X_XResQueryClients: /* nothing to swap */
+ return ProcXResQueryClients(client);
+ case X_XResQueryClientResources:
+ return SProcXResQueryClientResources(client);
+ case X_XResQueryClientPixmapBytes:
+ return SProcXResQueryClientPixmapBytes(client);
+ default: break;
+ }
+
+ return BadRequest;
+}
+
+void
+ResExtensionInit(INITARGS)
+{
+ (void) AddExtension(XRES_NAME, 0, 0,
+ ProcResDispatch, SProcResDispatch,
+ ResResetProc, StandardMinorOpcode);
+}