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a09e091a JB |
1 | /************************************************************************** |
2 | ||
3 | Copyright 1998-1999 Precision Insight, Inc., Cedar Park, Texas. | |
4 | Copyright 2000 VA Linux Systems, Inc. | |
5 | All Rights Reserved. | |
6 | ||
7 | Permission is hereby granted, free of charge, to any person obtaining a | |
8 | copy of this software and associated documentation files (the | |
9 | "Software"), to deal in the Software without restriction, including | |
10 | without limitation the rights to use, copy, modify, merge, publish, | |
11 | distribute, sub license, and/or sell copies of the Software, and to | |
12 | permit persons to whom the Software is furnished to do so, subject to | |
13 | the following conditions: | |
14 | ||
15 | The above copyright notice and this permission notice (including the | |
16 | next paragraph) shall be included in all copies or substantial portions | |
17 | of the Software. | |
18 | ||
19 | THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS | |
20 | OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF | |
21 | MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. | |
22 | IN NO EVENT SHALL PRECISION INSIGHT AND/OR ITS SUPPLIERS BE LIABLE FOR | |
23 | ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, | |
24 | TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE | |
25 | SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. | |
26 | ||
27 | **************************************************************************/ | |
28 | ||
29 | /* | |
30 | * Authors: | |
31 | * Kevin E. Martin <martin@valinux.com> | |
32 | * Jens Owen <jens@tungstengraphics.com> | |
33 | * Rickard E. (Rik) Faith <faith@valinux.com> | |
34 | * | |
35 | */ | |
36 | ||
37 | #ifdef HAVE_XORG_CONFIG_H | |
38 | #include <xorg-config.h> | |
39 | #endif | |
40 | ||
41 | #include <string.h> | |
42 | ||
43 | #include "xf86.h" | |
44 | ||
45 | #include <X11/X.h> | |
46 | #include <X11/Xproto.h> | |
47 | #include "misc.h" | |
48 | #include "dixstruct.h" | |
49 | #include "extnsionst.h" | |
50 | #include "extinit.h" | |
51 | #include "colormapst.h" | |
52 | #include "cursorstr.h" | |
53 | #include "scrnintstr.h" | |
54 | #include "servermd.h" | |
55 | #define _XF86DRI_SERVER_ | |
56 | #include <X11/dri/xf86driproto.h> | |
57 | #include "swaprep.h" | |
58 | #include "xf86str.h" | |
59 | #include "dri.h" | |
60 | #include "sarea.h" | |
61 | #include "dristruct.h" | |
62 | #include "xf86drm.h" | |
63 | #include "protocol-versions.h" | |
64 | #include "xf86Extensions.h" | |
65 | ||
66 | static int DRIErrorBase; | |
67 | ||
68 | static void XF86DRIResetProc(ExtensionEntry *extEntry); | |
69 | ||
70 | static unsigned char DRIReqCode = 0; | |
71 | ||
72 | /*ARGSUSED*/ | |
73 | static void | |
74 | XF86DRIResetProc(ExtensionEntry *extEntry) | |
75 | { | |
76 | DRIReset(); | |
77 | } | |
78 | ||
79 | static int | |
80 | ProcXF86DRIQueryVersion(register ClientPtr client) | |
81 | { | |
82 | xXF86DRIQueryVersionReply rep = { | |
83 | .type = X_Reply, | |
84 | .sequenceNumber = client->sequence, | |
85 | .length = 0, | |
86 | .majorVersion = SERVER_XF86DRI_MAJOR_VERSION, | |
87 | .minorVersion = SERVER_XF86DRI_MINOR_VERSION, | |
88 | .patchVersion = SERVER_XF86DRI_PATCH_VERSION | |
89 | }; | |
90 | ||
91 | REQUEST_SIZE_MATCH(xXF86DRIQueryVersionReq); | |
92 | if (client->swapped) { | |
93 | swaps(&rep.sequenceNumber); | |
94 | swapl(&rep.length); | |
95 | swaps(&rep.majorVersion); | |
96 | swaps(&rep.minorVersion); | |
97 | swapl(&rep.patchVersion); | |
98 | } | |
99 | WriteToClient(client, sizeof(xXF86DRIQueryVersionReply), &rep); | |
100 | return Success; | |
101 | } | |
102 | ||
103 | static int | |
104 | ProcXF86DRIQueryDirectRenderingCapable(register ClientPtr client) | |
105 | { | |
106 | xXF86DRIQueryDirectRenderingCapableReply rep; | |
107 | Bool isCapable; | |
108 | ||
109 | REQUEST(xXF86DRIQueryDirectRenderingCapableReq); | |
110 | REQUEST_SIZE_MATCH(xXF86DRIQueryDirectRenderingCapableReq); | |
111 | if (stuff->screen >= screenInfo.numScreens) { | |
112 | client->errorValue = stuff->screen; | |
113 | return BadValue; | |
114 | } | |
115 | ||
116 | if (!DRIQueryDirectRenderingCapable(screenInfo.screens[stuff->screen], | |
117 | &isCapable)) { | |
118 | return BadValue; | |
119 | } | |
120 | ||
121 | if (!client->local || client->swapped) | |
122 | isCapable = 0; | |
123 | ||
124 | rep = (xXF86DRIQueryDirectRenderingCapableReply) { | |
125 | .type = X_Reply, | |
126 | .sequenceNumber = client->sequence, | |
127 | .length = 0, | |
128 | .isCapable = isCapable | |
129 | }; | |
130 | ||
131 | if (client->swapped) { | |
132 | swaps(&rep.sequenceNumber); | |
133 | swapl(&rep.length); | |
134 | } | |
135 | ||
136 | WriteToClient(client, | |
137 | sizeof(xXF86DRIQueryDirectRenderingCapableReply), | |
138 | &rep); | |
139 | return Success; | |
140 | } | |
141 | ||
142 | static int | |
143 | ProcXF86DRIOpenConnection(register ClientPtr client) | |
144 | { | |
145 | xXF86DRIOpenConnectionReply rep; | |
146 | drm_handle_t hSAREA; | |
147 | char *busIdString; | |
148 | CARD32 busIdStringLength = 0; | |
149 | ||
150 | REQUEST(xXF86DRIOpenConnectionReq); | |
151 | REQUEST_SIZE_MATCH(xXF86DRIOpenConnectionReq); | |
152 | if (stuff->screen >= screenInfo.numScreens) { | |
153 | client->errorValue = stuff->screen; | |
154 | return BadValue; | |
155 | } | |
156 | ||
157 | if (!DRIOpenConnection(screenInfo.screens[stuff->screen], | |
158 | &hSAREA, &busIdString)) { | |
159 | return BadValue; | |
160 | } | |
161 | ||
162 | if (busIdString) | |
163 | busIdStringLength = strlen(busIdString); | |
164 | ||
165 | rep = (xXF86DRIOpenConnectionReply) { | |
166 | .type = X_Reply, | |
167 | .sequenceNumber = client->sequence, | |
168 | .length = bytes_to_int32(SIZEOF(xXF86DRIOpenConnectionReply) - | |
169 | SIZEOF(xGenericReply) + | |
170 | pad_to_int32(busIdStringLength)), | |
171 | .busIdStringLength = busIdStringLength, | |
172 | ||
173 | .hSAREALow = (CARD32) (hSAREA & 0xffffffff), | |
174 | #if defined(LONG64) && !defined(__linux__) | |
175 | .hSAREAHigh = (CARD32) (hSAREA >> 32), | |
176 | #else | |
177 | .hSAREAHigh = 0 | |
178 | #endif | |
179 | }; | |
180 | ||
181 | WriteToClient(client, sizeof(xXF86DRIOpenConnectionReply), &rep); | |
182 | if (busIdStringLength) | |
183 | WriteToClient(client, busIdStringLength, busIdString); | |
184 | return Success; | |
185 | } | |
186 | ||
187 | static int | |
188 | ProcXF86DRIAuthConnection(register ClientPtr client) | |
189 | { | |
190 | xXF86DRIAuthConnectionReply rep = { | |
191 | .type = X_Reply, | |
192 | .sequenceNumber = client->sequence, | |
193 | .length = 0, | |
194 | .authenticated = 1 | |
195 | }; | |
196 | ||
197 | REQUEST(xXF86DRIAuthConnectionReq); | |
198 | REQUEST_SIZE_MATCH(xXF86DRIAuthConnectionReq); | |
199 | if (stuff->screen >= screenInfo.numScreens) { | |
200 | client->errorValue = stuff->screen; | |
201 | return BadValue; | |
202 | } | |
203 | ||
204 | if (!DRIAuthConnection(screenInfo.screens[stuff->screen], stuff->magic)) { | |
205 | ErrorF("Failed to authenticate %lu\n", (unsigned long) stuff->magic); | |
206 | rep.authenticated = 0; | |
207 | } | |
208 | WriteToClient(client, sizeof(xXF86DRIAuthConnectionReply), &rep); | |
209 | return Success; | |
210 | } | |
211 | ||
212 | static int | |
213 | ProcXF86DRICloseConnection(register ClientPtr client) | |
214 | { | |
215 | REQUEST(xXF86DRICloseConnectionReq); | |
216 | REQUEST_SIZE_MATCH(xXF86DRICloseConnectionReq); | |
217 | if (stuff->screen >= screenInfo.numScreens) { | |
218 | client->errorValue = stuff->screen; | |
219 | return BadValue; | |
220 | } | |
221 | ||
222 | DRICloseConnection(screenInfo.screens[stuff->screen]); | |
223 | ||
224 | return Success; | |
225 | } | |
226 | ||
227 | static int | |
228 | ProcXF86DRIGetClientDriverName(register ClientPtr client) | |
229 | { | |
230 | xXF86DRIGetClientDriverNameReply rep = { | |
231 | .type = X_Reply, | |
232 | .sequenceNumber = client->sequence, | |
233 | .clientDriverNameLength = 0 | |
234 | }; | |
235 | char *clientDriverName; | |
236 | ||
237 | REQUEST(xXF86DRIGetClientDriverNameReq); | |
238 | REQUEST_SIZE_MATCH(xXF86DRIGetClientDriverNameReq); | |
239 | if (stuff->screen >= screenInfo.numScreens) { | |
240 | client->errorValue = stuff->screen; | |
241 | return BadValue; | |
242 | } | |
243 | ||
244 | DRIGetClientDriverName(screenInfo.screens[stuff->screen], | |
245 | (int *) &rep.ddxDriverMajorVersion, | |
246 | (int *) &rep.ddxDriverMinorVersion, | |
247 | (int *) &rep.ddxDriverPatchVersion, | |
248 | &clientDriverName); | |
249 | ||
250 | if (clientDriverName) | |
251 | rep.clientDriverNameLength = strlen(clientDriverName); | |
252 | rep.length = bytes_to_int32(SIZEOF(xXF86DRIGetClientDriverNameReply) - | |
253 | SIZEOF(xGenericReply) + | |
254 | pad_to_int32(rep.clientDriverNameLength)); | |
255 | ||
256 | WriteToClient(client, sizeof(xXF86DRIGetClientDriverNameReply), &rep); | |
257 | if (rep.clientDriverNameLength) | |
258 | WriteToClient(client, rep.clientDriverNameLength, clientDriverName); | |
259 | return Success; | |
260 | } | |
261 | ||
262 | static int | |
263 | ProcXF86DRICreateContext(register ClientPtr client) | |
264 | { | |
265 | xXF86DRICreateContextReply rep = { | |
266 | .type = X_Reply, | |
267 | .sequenceNumber = client->sequence, | |
268 | .length = 0 | |
269 | }; | |
270 | ScreenPtr pScreen; | |
271 | ||
272 | REQUEST(xXF86DRICreateContextReq); | |
273 | REQUEST_SIZE_MATCH(xXF86DRICreateContextReq); | |
274 | if (stuff->screen >= screenInfo.numScreens) { | |
275 | client->errorValue = stuff->screen; | |
276 | return BadValue; | |
277 | } | |
278 | ||
279 | pScreen = screenInfo.screens[stuff->screen]; | |
280 | ||
281 | if (!DRICreateContext(pScreen, | |
282 | NULL, | |
283 | stuff->context, (drm_context_t *) &rep.hHWContext)) { | |
284 | return BadValue; | |
285 | } | |
286 | ||
287 | WriteToClient(client, sizeof(xXF86DRICreateContextReply), &rep); | |
288 | return Success; | |
289 | } | |
290 | ||
291 | static int | |
292 | ProcXF86DRIDestroyContext(register ClientPtr client) | |
293 | { | |
294 | REQUEST(xXF86DRIDestroyContextReq); | |
295 | REQUEST_SIZE_MATCH(xXF86DRIDestroyContextReq); | |
296 | if (stuff->screen >= screenInfo.numScreens) { | |
297 | client->errorValue = stuff->screen; | |
298 | return BadValue; | |
299 | } | |
300 | ||
301 | if (!DRIDestroyContext(screenInfo.screens[stuff->screen], stuff->context)) { | |
302 | return BadValue; | |
303 | } | |
304 | ||
305 | return Success; | |
306 | } | |
307 | ||
308 | static int | |
309 | ProcXF86DRICreateDrawable(ClientPtr client) | |
310 | { | |
311 | xXF86DRICreateDrawableReply rep = { | |
312 | .type = X_Reply, | |
313 | .sequenceNumber = client->sequence, | |
314 | .length = 0 | |
315 | }; | |
316 | DrawablePtr pDrawable; | |
317 | int rc; | |
318 | ||
319 | REQUEST(xXF86DRICreateDrawableReq); | |
320 | REQUEST_SIZE_MATCH(xXF86DRICreateDrawableReq); | |
321 | if (stuff->screen >= screenInfo.numScreens) { | |
322 | client->errorValue = stuff->screen; | |
323 | return BadValue; | |
324 | } | |
325 | ||
326 | rc = dixLookupDrawable(&pDrawable, stuff->drawable, client, 0, | |
327 | DixReadAccess); | |
328 | if (rc != Success) | |
329 | return rc; | |
330 | ||
331 | if (!DRICreateDrawable(screenInfo.screens[stuff->screen], client, | |
332 | pDrawable, (drm_drawable_t *) &rep.hHWDrawable)) { | |
333 | return BadValue; | |
334 | } | |
335 | ||
336 | WriteToClient(client, sizeof(xXF86DRICreateDrawableReply), &rep); | |
337 | return Success; | |
338 | } | |
339 | ||
340 | static int | |
341 | ProcXF86DRIDestroyDrawable(register ClientPtr client) | |
342 | { | |
343 | REQUEST(xXF86DRIDestroyDrawableReq); | |
344 | DrawablePtr pDrawable; | |
345 | int rc; | |
346 | ||
347 | REQUEST_SIZE_MATCH(xXF86DRIDestroyDrawableReq); | |
348 | ||
349 | if (stuff->screen >= screenInfo.numScreens) { | |
350 | client->errorValue = stuff->screen; | |
351 | return BadValue; | |
352 | } | |
353 | ||
354 | rc = dixLookupDrawable(&pDrawable, stuff->drawable, client, 0, | |
355 | DixReadAccess); | |
356 | if (rc != Success) | |
357 | return rc; | |
358 | ||
359 | if (!DRIDestroyDrawable(screenInfo.screens[stuff->screen], client, | |
360 | pDrawable)) { | |
361 | return BadValue; | |
362 | } | |
363 | ||
364 | return Success; | |
365 | } | |
366 | ||
367 | static int | |
368 | ProcXF86DRIGetDrawableInfo(register ClientPtr client) | |
369 | { | |
370 | xXF86DRIGetDrawableInfoReply rep = { | |
371 | .type = X_Reply, | |
372 | .sequenceNumber = client->sequence, | |
373 | .length = 0 | |
374 | }; | |
375 | DrawablePtr pDrawable; | |
376 | int X, Y, W, H; | |
377 | drm_clip_rect_t *pClipRects, *pClippedRects; | |
378 | drm_clip_rect_t *pBackClipRects; | |
379 | int backX, backY, rc; | |
380 | ||
381 | REQUEST(xXF86DRIGetDrawableInfoReq); | |
382 | REQUEST_SIZE_MATCH(xXF86DRIGetDrawableInfoReq); | |
383 | if (stuff->screen >= screenInfo.numScreens) { | |
384 | client->errorValue = stuff->screen; | |
385 | return BadValue; | |
386 | } | |
387 | ||
388 | rc = dixLookupDrawable(&pDrawable, stuff->drawable, client, 0, | |
389 | DixReadAccess); | |
390 | if (rc != Success) | |
391 | return rc; | |
392 | ||
393 | if (!DRIGetDrawableInfo(screenInfo.screens[stuff->screen], | |
394 | pDrawable, | |
395 | (unsigned int *) &rep.drawableTableIndex, | |
396 | (unsigned int *) &rep.drawableTableStamp, | |
397 | (int *) &X, | |
398 | (int *) &Y, | |
399 | (int *) &W, | |
400 | (int *) &H, | |
401 | (int *) &rep.numClipRects, | |
402 | &pClipRects, | |
403 | &backX, | |
404 | &backY, | |
405 | (int *) &rep.numBackClipRects, &pBackClipRects)) { | |
406 | return BadValue; | |
407 | } | |
408 | ||
409 | rep.drawableX = X; | |
410 | rep.drawableY = Y; | |
411 | rep.drawableWidth = W; | |
412 | rep.drawableHeight = H; | |
413 | rep.length = (SIZEOF(xXF86DRIGetDrawableInfoReply) - SIZEOF(xGenericReply)); | |
414 | ||
415 | rep.backX = backX; | |
416 | rep.backY = backY; | |
417 | ||
418 | if (rep.numBackClipRects) | |
419 | rep.length += sizeof(drm_clip_rect_t) * rep.numBackClipRects; | |
420 | ||
421 | pClippedRects = pClipRects; | |
422 | ||
423 | if (rep.numClipRects) { | |
424 | /* Clip cliprects to screen dimensions (redirected windows) */ | |
425 | pClippedRects = malloc(rep.numClipRects * sizeof(drm_clip_rect_t)); | |
426 | ||
427 | if (pClippedRects) { | |
428 | ScreenPtr pScreen = screenInfo.screens[stuff->screen]; | |
429 | int i, j; | |
430 | ||
431 | for (i = 0, j = 0; i < rep.numClipRects; i++) { | |
432 | pClippedRects[j].x1 = max(pClipRects[i].x1, 0); | |
433 | pClippedRects[j].y1 = max(pClipRects[i].y1, 0); | |
434 | pClippedRects[j].x2 = min(pClipRects[i].x2, pScreen->width); | |
435 | pClippedRects[j].y2 = min(pClipRects[i].y2, pScreen->height); | |
436 | ||
437 | if (pClippedRects[j].x1 < pClippedRects[j].x2 && | |
438 | pClippedRects[j].y1 < pClippedRects[j].y2) { | |
439 | j++; | |
440 | } | |
441 | } | |
442 | ||
443 | rep.numClipRects = j; | |
444 | } | |
445 | else { | |
446 | rep.numClipRects = 0; | |
447 | } | |
448 | ||
449 | rep.length += sizeof(drm_clip_rect_t) * rep.numClipRects; | |
450 | } | |
451 | ||
452 | rep.length = bytes_to_int32(rep.length); | |
453 | ||
454 | WriteToClient(client, sizeof(xXF86DRIGetDrawableInfoReply), &rep); | |
455 | ||
456 | if (rep.numClipRects) { | |
457 | WriteToClient(client, | |
458 | sizeof(drm_clip_rect_t) * rep.numClipRects, | |
459 | pClippedRects); | |
460 | free(pClippedRects); | |
461 | } | |
462 | ||
463 | if (rep.numBackClipRects) { | |
464 | WriteToClient(client, | |
465 | sizeof(drm_clip_rect_t) * rep.numBackClipRects, | |
466 | pBackClipRects); | |
467 | } | |
468 | ||
469 | return Success; | |
470 | } | |
471 | ||
472 | static int | |
473 | ProcXF86DRIGetDeviceInfo(register ClientPtr client) | |
474 | { | |
475 | xXF86DRIGetDeviceInfoReply rep = { | |
476 | .type = X_Reply, | |
477 | .sequenceNumber = client->sequence, | |
478 | .length = 0 | |
479 | }; | |
480 | drm_handle_t hFrameBuffer; | |
481 | void *pDevPrivate; | |
482 | ||
483 | REQUEST(xXF86DRIGetDeviceInfoReq); | |
484 | REQUEST_SIZE_MATCH(xXF86DRIGetDeviceInfoReq); | |
485 | if (stuff->screen >= screenInfo.numScreens) { | |
486 | client->errorValue = stuff->screen; | |
487 | return BadValue; | |
488 | } | |
489 | ||
490 | if (!DRIGetDeviceInfo(screenInfo.screens[stuff->screen], | |
491 | &hFrameBuffer, | |
492 | (int *) &rep.framebufferOrigin, | |
493 | (int *) &rep.framebufferSize, | |
494 | (int *) &rep.framebufferStride, | |
495 | (int *) &rep.devPrivateSize, &pDevPrivate)) { | |
496 | return BadValue; | |
497 | } | |
498 | ||
499 | rep.hFrameBufferLow = (CARD32) (hFrameBuffer & 0xffffffff); | |
500 | #if defined(LONG64) && !defined(__linux__) | |
501 | rep.hFrameBufferHigh = (CARD32) (hFrameBuffer >> 32); | |
502 | #else | |
503 | rep.hFrameBufferHigh = 0; | |
504 | #endif | |
505 | ||
506 | if (rep.devPrivateSize) { | |
507 | rep.length = bytes_to_int32(SIZEOF(xXF86DRIGetDeviceInfoReply) - | |
508 | SIZEOF(xGenericReply) + | |
509 | pad_to_int32(rep.devPrivateSize)); | |
510 | } | |
511 | ||
512 | WriteToClient(client, sizeof(xXF86DRIGetDeviceInfoReply), &rep); | |
513 | if (rep.length) { | |
514 | WriteToClient(client, rep.devPrivateSize, pDevPrivate); | |
515 | } | |
516 | return Success; | |
517 | } | |
518 | ||
519 | static int | |
520 | ProcXF86DRIDispatch(register ClientPtr client) | |
521 | { | |
522 | REQUEST(xReq); | |
523 | ||
524 | switch (stuff->data) { | |
525 | case X_XF86DRIQueryVersion: | |
526 | return ProcXF86DRIQueryVersion(client); | |
527 | case X_XF86DRIQueryDirectRenderingCapable: | |
528 | return ProcXF86DRIQueryDirectRenderingCapable(client); | |
529 | } | |
530 | ||
531 | if (!client->local) | |
532 | return DRIErrorBase + XF86DRIClientNotLocal; | |
533 | ||
534 | switch (stuff->data) { | |
535 | case X_XF86DRIOpenConnection: | |
536 | return ProcXF86DRIOpenConnection(client); | |
537 | case X_XF86DRICloseConnection: | |
538 | return ProcXF86DRICloseConnection(client); | |
539 | case X_XF86DRIGetClientDriverName: | |
540 | return ProcXF86DRIGetClientDriverName(client); | |
541 | case X_XF86DRICreateContext: | |
542 | return ProcXF86DRICreateContext(client); | |
543 | case X_XF86DRIDestroyContext: | |
544 | return ProcXF86DRIDestroyContext(client); | |
545 | case X_XF86DRICreateDrawable: | |
546 | return ProcXF86DRICreateDrawable(client); | |
547 | case X_XF86DRIDestroyDrawable: | |
548 | return ProcXF86DRIDestroyDrawable(client); | |
549 | case X_XF86DRIGetDrawableInfo: | |
550 | return ProcXF86DRIGetDrawableInfo(client); | |
551 | case X_XF86DRIGetDeviceInfo: | |
552 | return ProcXF86DRIGetDeviceInfo(client); | |
553 | case X_XF86DRIAuthConnection: | |
554 | return ProcXF86DRIAuthConnection(client); | |
555 | /* {Open,Close}FullScreen are deprecated now */ | |
556 | default: | |
557 | return BadRequest; | |
558 | } | |
559 | } | |
560 | ||
561 | static int | |
562 | SProcXF86DRIQueryVersion(register ClientPtr client) | |
563 | { | |
564 | REQUEST(xXF86DRIQueryVersionReq); | |
565 | swaps(&stuff->length); | |
566 | return ProcXF86DRIQueryVersion(client); | |
567 | } | |
568 | ||
569 | static int | |
570 | SProcXF86DRIQueryDirectRenderingCapable(register ClientPtr client) | |
571 | { | |
572 | REQUEST(xXF86DRIQueryDirectRenderingCapableReq); | |
573 | swaps(&stuff->length); | |
574 | swapl(&stuff->screen); | |
575 | return ProcXF86DRIQueryDirectRenderingCapable(client); | |
576 | } | |
577 | ||
578 | static int | |
579 | SProcXF86DRIDispatch(register ClientPtr client) | |
580 | { | |
581 | REQUEST(xReq); | |
582 | ||
583 | /* | |
584 | * Only local clients are allowed DRI access, but remote clients still need | |
585 | * these requests to find out cleanly. | |
586 | */ | |
587 | switch (stuff->data) { | |
588 | case X_XF86DRIQueryVersion: | |
589 | return SProcXF86DRIQueryVersion(client); | |
590 | case X_XF86DRIQueryDirectRenderingCapable: | |
591 | return SProcXF86DRIQueryDirectRenderingCapable(client); | |
592 | default: | |
593 | return DRIErrorBase + XF86DRIClientNotLocal; | |
594 | } | |
595 | } | |
596 | ||
597 | void | |
598 | XFree86DRIExtensionInit(void) | |
599 | { | |
600 | ExtensionEntry *extEntry; | |
601 | ||
602 | #ifdef XF86DRI_EVENTS | |
603 | EventType = CreateNewResourceType(XF86DRIFreeEvents, "DRIEvent"); | |
604 | #endif | |
605 | ||
606 | if (DRIExtensionInit() && | |
607 | #ifdef XF86DRI_EVENTS | |
608 | EventType && ScreenPrivateIndex != -1 && | |
609 | #endif | |
610 | (extEntry = AddExtension(XF86DRINAME, | |
611 | XF86DRINumberEvents, | |
612 | XF86DRINumberErrors, | |
613 | ProcXF86DRIDispatch, | |
614 | SProcXF86DRIDispatch, | |
615 | XF86DRIResetProc, StandardMinorOpcode))) { | |
616 | DRIReqCode = (unsigned char) extEntry->base; | |
617 | DRIErrorBase = extEntry->errorBase; | |
618 | } | |
619 | } |