summaryrefslogtreecommitdiff
path: root/Xext/xres.c
blob: 06639a2cfedec26eb832a3439454e1c6504eaa1a (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
/*
   Copyright (c) 2002  XFree86 Inc
*/

#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"
#include "protocol-versions.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 = SERVER_XRES_MAJOR_VERSION;
    rep.server_minor = SERVER_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 Success;
}

static int
ProcXResQueryClients (ClientPtr client)
{
    /* REQUEST(xXResQueryClientsReq); */
    xXResQueryClientsReply rep;
    int *current_clients;
    int i, num_clients;

    REQUEST_SIZE_MATCH(xXResQueryClientsReq);

    current_clients = malloc(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 = bytes_to_int32(rep.num_clients * sz_xXResClient);
    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) {
                int n;
                swapl (&scratch.resource_base, n);
                swapl (&scratch.resource_mask, n);
            }
            WriteToClient (client, sz_xXResClient, (char *) &scratch);
        }
    }

    free(current_clients);

    return Success;
}


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 = calloc(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 = bytes_to_int32(rep.num_types * sz_xXResType);
    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) {
                int n;
                swapl (&scratch.resource_type, n);
                swapl (&scratch.count, n);
            }
            WriteToClient (client, sz_xXResType, (char *) &scratch);
        }
    }

    free(counts);
    
    return Success;
}

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 Success;
}

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,
                            NULL, StandardMinorOpcode);
}