2 * Copyright © 2008 Red Hat, Inc.
4 * Permission is hereby granted, free of charge, to any person obtaining a
5 * copy of this software and associated documentation files (the "Soft-
6 * ware"), to deal in the Software without restriction, including without
7 * limitation the rights to use, copy, modify, merge, publish, distribute,
8 * and/or sell copies of the Software, and to permit persons to whom the
9 * Software is furnished to do so, provided that the above copyright
10 * notice(s) and this permission notice appear in all copies of the Soft-
11 * ware and that both the above copyright notice(s) and this permission
12 * notice appear in supporting documentation.
14 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
15 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABIL-
16 * ITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT OF THIRD PARTY
17 * RIGHTS. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR HOLDERS INCLUDED IN
18 * THIS NOTICE BE LIABLE FOR ANY CLAIM, OR ANY SPECIAL INDIRECT OR CONSE-
19 * QUENTIAL DAMAGES, OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE,
20 * DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
21 * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFOR-
22 * MANCE OF THIS SOFTWARE.
24 * Except as contained in this notice, the name of a copyright holder shall
25 * not be used in advertising or otherwise to promote the sale, use or
26 * other dealings in this Software without prior written authorization of
27 * the copyright holder.
30 * Kristian Høgsberg (krh@redhat.com)
34 #ifdef GLX_DIRECT_RENDERING
37 #include <X11/Xlibint.h>
38 #include <X11/extensions/Xext.h>
39 #include <X11/extensions/extutil.h>
40 #include <X11/extensions/dri2proto.h>
43 #include "glxclient.h"
44 #include "GL/glxext.h"
46 /* Allow the build to work with an older versions of dri2proto.h and
52 #define X_DRI2GetBuffersWithFormat 7
56 static char dri2ExtensionName[] = DRI2_NAME;
57 static XExtensionInfo *dri2Info;
58 static XEXT_GENERATE_CLOSE_DISPLAY (DRI2CloseDisplay, dri2Info)
61 DRI2WireToEvent(Display *dpy, XEvent *event, xEvent *wire);
63 DRI2EventToWire(Display *dpy, XEvent *event, xEvent *wire);
65 DRI2Error(Display *display, xError *err, XExtCodes *codes, int *ret_code);
67 static /* const */ XExtensionHooks dri2ExtensionHooks = {
72 NULL, /* create_font */
74 DRI2CloseDisplay, /* close_display */
75 DRI2WireToEvent, /* wire_to_event */
76 DRI2EventToWire, /* event_to_wire */
77 DRI2Error, /* error */
78 NULL, /* error_string */
81 static XEXT_GENERATE_FIND_DISPLAY (DRI2FindDisplay,
88 DRI2WireToEvent(Display *dpy, XEvent *event, xEvent *wire)
90 XExtDisplayInfo *info = DRI2FindDisplay(dpy);
91 struct glx_drawable *glxDraw;
93 XextCheckExtension(dpy, info, dri2ExtensionName, False);
95 switch ((wire->u.u.type & 0x7f) - info->codes->first_event) {
97 #ifdef X_DRI2SwapBuffers
98 case DRI2_BufferSwapComplete:
100 GLXBufferSwapComplete *aevent = (GLXBufferSwapComplete *)event;
101 xDRI2BufferSwapComplete2 *awire = (xDRI2BufferSwapComplete2 *)wire;
102 __GLXDRIdrawable *pdraw;
104 pdraw = dri2GetGlxDrawableFromXDrawableId(dpy, awire->drawable);
106 /* Ignore swap events if we're not looking for them */
107 aevent->type = dri2GetSwapEventType(dpy, awire->drawable);
111 aevent->serial = _XSetLastRequestRead(dpy, (xGenericReply *) wire);
112 aevent->send_event = (awire->type & 0x80) != 0;
113 aevent->display = dpy;
114 aevent->drawable = awire->drawable;
115 switch (awire->event_type) {
116 case DRI2_EXCHANGE_COMPLETE:
117 aevent->event_type = GLX_EXCHANGE_COMPLETE_INTEL;
119 case DRI2_BLIT_COMPLETE:
120 aevent->event_type = GLX_COPY_COMPLETE_INTEL;
122 case DRI2_FLIP_COMPLETE:
123 aevent->event_type = GLX_FLIP_COMPLETE_INTEL;
126 /* unknown swap completion type */
129 aevent->ust = ((CARD64)awire->ust_hi << 32) | awire->ust_lo;
130 aevent->msc = ((CARD64)awire->msc_hi << 32) | awire->msc_lo;
132 glxDraw = GetGLXDrawable(dpy, pdraw->drawable);
133 if (awire->sbc < glxDraw->lastEventSbc)
134 glxDraw->eventSbcWrap += 0x100000000;
135 glxDraw->lastEventSbc = awire->sbc;
136 aevent->sbc = awire->sbc + glxDraw->eventSbcWrap;
141 #ifdef DRI2_InvalidateBuffers
142 case DRI2_InvalidateBuffers:
144 xDRI2InvalidateBuffers *awire = (xDRI2InvalidateBuffers *)wire;
146 dri2InvalidateBuffers(dpy, awire->drawable);
151 /* client doesn't support server event */
158 /* We don't actually support this. It doesn't make sense for clients to
159 * send each other DRI2 events.
162 DRI2EventToWire(Display *dpy, XEvent *event, xEvent *wire)
164 XExtDisplayInfo *info = DRI2FindDisplay(dpy);
166 XextCheckExtension(dpy, info, dri2ExtensionName, False);
168 switch (event->type) {
170 /* client doesn't support server event */
178 DRI2Error(Display *display, xError *err, XExtCodes *codes, int *ret_code)
180 if (err->majorCode == codes->major_opcode &&
181 err->errorCode == BadDrawable &&
182 err->minorCode == X_DRI2CopyRegion)
185 /* If the X drawable was destroyed before the GLX drawable, the
186 * DRI2 drawble will be gone by the time we call
187 * DRI2DestroyDrawable. So just ignore BadDrawable here. */
188 if (err->majorCode == codes->major_opcode &&
189 err->errorCode == BadDrawable &&
190 err->minorCode == X_DRI2DestroyDrawable)
193 /* If the server is non-local DRI2Connect will raise BadRequest.
194 * Swallow this so that DRI2Connect can signal this in its return code */
195 if (err->majorCode == codes->major_opcode &&
196 err->minorCode == X_DRI2Connect &&
197 err->errorCode == BadRequest) {
206 DRI2QueryExtension(Display * dpy, int *eventBase, int *errorBase)
208 XExtDisplayInfo *info = DRI2FindDisplay(dpy);
210 if (XextHasExtension(info)) {
211 *eventBase = info->codes->first_event;
212 *errorBase = info->codes->first_error;
220 DRI2QueryVersion(Display * dpy, int *major, int *minor)
222 XExtDisplayInfo *info = DRI2FindDisplay(dpy);
223 xDRI2QueryVersionReply rep;
224 xDRI2QueryVersionReq *req;
227 XextCheckExtension(dpy, info, dri2ExtensionName, False);
230 GetReq(DRI2QueryVersion, req);
231 req->reqType = info->codes->major_opcode;
232 req->dri2ReqType = X_DRI2QueryVersion;
233 req->majorVersion = DRI2_MAJOR;
234 req->minorVersion = DRI2_MINOR;
235 if (!_XReply(dpy, (xReply *) & rep, 0, xFalse)) {
240 *major = rep.majorVersion;
241 *minor = rep.minorVersion;
245 switch (rep.minorVersion) {
258 for (i = 0; i < nevents; i++) {
259 XESetWireToEvent (dpy, info->codes->first_event + i, DRI2WireToEvent);
260 XESetEventToWire (dpy, info->codes->first_event + i, DRI2EventToWire);
267 DRI2Connect(Display * dpy, XID window, char **driverName, char **deviceName)
269 XExtDisplayInfo *info = DRI2FindDisplay(dpy);
270 xDRI2ConnectReply rep;
271 xDRI2ConnectReq *req;
273 XextCheckExtension(dpy, info, dri2ExtensionName, False);
276 GetReq(DRI2Connect, req);
277 req->reqType = info->codes->major_opcode;
278 req->dri2ReqType = X_DRI2Connect;
279 req->window = window;
281 req->driverType = DRI2DriverDRI;
282 #ifdef DRI2DriverPrimeShift
284 char *prime = getenv("DRI_PRIME");
288 primeid = strtoul(prime, NULL, 0);
291 ((primeid & DRI2DriverPrimeMask) << DRI2DriverPrimeShift);
296 if (!_XReply(dpy, (xReply *) & rep, 0, xFalse)) {
302 if (rep.driverNameLength == 0 && rep.deviceNameLength == 0) {
308 *driverName = malloc(rep.driverNameLength + 1);
309 if (*driverName == NULL) {
311 ((rep.driverNameLength + 3) & ~3) +
312 ((rep.deviceNameLength + 3) & ~3));
317 _XReadPad(dpy, *driverName, rep.driverNameLength);
318 (*driverName)[rep.driverNameLength] = '\0';
320 *deviceName = malloc(rep.deviceNameLength + 1);
321 if (*deviceName == NULL) {
323 _XEatData(dpy, ((rep.deviceNameLength + 3) & ~3));
328 _XReadPad(dpy, *deviceName, rep.deviceNameLength);
329 (*deviceName)[rep.deviceNameLength] = '\0';
338 DRI2Authenticate(Display * dpy, XID window, drm_magic_t magic)
340 XExtDisplayInfo *info = DRI2FindDisplay(dpy);
341 xDRI2AuthenticateReq *req;
342 xDRI2AuthenticateReply rep;
344 XextCheckExtension(dpy, info, dri2ExtensionName, False);
347 GetReq(DRI2Authenticate, req);
348 req->reqType = info->codes->major_opcode;
349 req->dri2ReqType = X_DRI2Authenticate;
350 req->window = window;
353 if (!_XReply(dpy, (xReply *) & rep, 0, xFalse)) {
362 return rep.authenticated;
366 DRI2CreateDrawable(Display * dpy, XID drawable)
368 XExtDisplayInfo *info = DRI2FindDisplay(dpy);
369 xDRI2CreateDrawableReq *req;
371 XextSimpleCheckExtension(dpy, info, dri2ExtensionName);
374 GetReq(DRI2CreateDrawable, req);
375 req->reqType = info->codes->major_opcode;
376 req->dri2ReqType = X_DRI2CreateDrawable;
377 req->drawable = drawable;
383 DRI2DestroyDrawable(Display * dpy, XID drawable)
385 XExtDisplayInfo *info = DRI2FindDisplay(dpy);
386 xDRI2DestroyDrawableReq *req;
388 XextSimpleCheckExtension(dpy, info, dri2ExtensionName);
393 GetReq(DRI2DestroyDrawable, req);
394 req->reqType = info->codes->major_opcode;
395 req->dri2ReqType = X_DRI2DestroyDrawable;
396 req->drawable = drawable;
402 DRI2GetBuffers(Display * dpy, XID drawable,
403 int *width, int *height,
404 unsigned int *attachments, int count, int *outCount)
406 XExtDisplayInfo *info = DRI2FindDisplay(dpy);
407 xDRI2GetBuffersReply rep;
408 xDRI2GetBuffersReq *req;
410 xDRI2Buffer repBuffer;
414 XextCheckExtension(dpy, info, dri2ExtensionName, False);
417 GetReqExtra(DRI2GetBuffers, count * 4, req);
418 req->reqType = info->codes->major_opcode;
419 req->dri2ReqType = X_DRI2GetBuffers;
420 req->drawable = drawable;
422 p = (CARD32 *) & req[1];
423 for (i = 0; i < count; i++)
424 p[i] = attachments[i];
426 if (!_XReply(dpy, (xReply *) & rep, 0, xFalse)) {
433 *height = rep.height;
434 *outCount = rep.count;
436 buffers = malloc(rep.count * sizeof buffers[0]);
437 if (buffers == NULL) {
438 _XEatData(dpy, rep.count * sizeof repBuffer);
444 for (i = 0; i < rep.count; i++) {
445 _XReadPad(dpy, (char *) &repBuffer, sizeof repBuffer);
446 buffers[i].attachment = repBuffer.attachment;
447 buffers[i].name = repBuffer.name;
448 buffers[i].pitch = repBuffer.pitch;
449 buffers[i].cpp = repBuffer.cpp;
450 buffers[i].flags = repBuffer.flags;
461 DRI2GetBuffersWithFormat(Display * dpy, XID drawable,
462 int *width, int *height,
463 unsigned int *attachments, int count, int *outCount)
465 XExtDisplayInfo *info = DRI2FindDisplay(dpy);
466 xDRI2GetBuffersReply rep;
467 xDRI2GetBuffersReq *req;
469 xDRI2Buffer repBuffer;
473 XextCheckExtension(dpy, info, dri2ExtensionName, False);
476 GetReqExtra(DRI2GetBuffers, count * (4 * 2), req);
477 req->reqType = info->codes->major_opcode;
478 req->dri2ReqType = X_DRI2GetBuffersWithFormat;
479 req->drawable = drawable;
481 p = (CARD32 *) & req[1];
482 for (i = 0; i < (count * 2); i++)
483 p[i] = attachments[i];
485 if (!_XReply(dpy, (xReply *) & rep, 0, xFalse)) {
492 *height = rep.height;
493 *outCount = rep.count;
495 buffers = malloc(rep.count * sizeof buffers[0]);
496 if (buffers == NULL) {
497 _XEatData(dpy, rep.count * sizeof repBuffer);
503 for (i = 0; i < rep.count; i++) {
504 _XReadPad(dpy, (char *) &repBuffer, sizeof repBuffer);
505 buffers[i].attachment = repBuffer.attachment;
506 buffers[i].name = repBuffer.name;
507 buffers[i].pitch = repBuffer.pitch;
508 buffers[i].cpp = repBuffer.cpp;
509 buffers[i].flags = repBuffer.flags;
520 DRI2CopyRegion(Display * dpy, XID drawable, XserverRegion region,
521 CARD32 dest, CARD32 src)
523 XExtDisplayInfo *info = DRI2FindDisplay(dpy);
524 xDRI2CopyRegionReq *req;
525 xDRI2CopyRegionReply rep;
527 XextSimpleCheckExtension(dpy, info, dri2ExtensionName);
530 GetReq(DRI2CopyRegion, req);
531 req->reqType = info->codes->major_opcode;
532 req->dri2ReqType = X_DRI2CopyRegion;
533 req->drawable = drawable;
534 req->region = region;
538 _XReply(dpy, (xReply *) & rep, 0, xFalse);
544 #endif /* GLX_DIRECT_RENDERING */