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;
280 req->driverType = DRI2DriverDRI;
281 if (!_XReply(dpy, (xReply *) & rep, 0, xFalse)) {
287 if (rep.driverNameLength == 0 && rep.deviceNameLength == 0) {
293 *driverName = Xmalloc(rep.driverNameLength + 1);
294 if (*driverName == NULL) {
296 ((rep.driverNameLength + 3) & ~3) +
297 ((rep.deviceNameLength + 3) & ~3));
302 _XReadPad(dpy, *driverName, rep.driverNameLength);
303 (*driverName)[rep.driverNameLength] = '\0';
305 *deviceName = Xmalloc(rep.deviceNameLength + 1);
306 if (*deviceName == NULL) {
308 _XEatData(dpy, ((rep.deviceNameLength + 3) & ~3));
313 _XReadPad(dpy, *deviceName, rep.deviceNameLength);
314 (*deviceName)[rep.deviceNameLength] = '\0';
323 DRI2Authenticate(Display * dpy, XID window, drm_magic_t magic)
325 XExtDisplayInfo *info = DRI2FindDisplay(dpy);
326 xDRI2AuthenticateReq *req;
327 xDRI2AuthenticateReply rep;
329 XextCheckExtension(dpy, info, dri2ExtensionName, False);
332 GetReq(DRI2Authenticate, req);
333 req->reqType = info->codes->major_opcode;
334 req->dri2ReqType = X_DRI2Authenticate;
335 req->window = window;
338 if (!_XReply(dpy, (xReply *) & rep, 0, xFalse)) {
347 return rep.authenticated;
351 DRI2CreateDrawable(Display * dpy, XID drawable)
353 XExtDisplayInfo *info = DRI2FindDisplay(dpy);
354 xDRI2CreateDrawableReq *req;
356 XextSimpleCheckExtension(dpy, info, dri2ExtensionName);
359 GetReq(DRI2CreateDrawable, req);
360 req->reqType = info->codes->major_opcode;
361 req->dri2ReqType = X_DRI2CreateDrawable;
362 req->drawable = drawable;
368 DRI2DestroyDrawable(Display * dpy, XID drawable)
370 XExtDisplayInfo *info = DRI2FindDisplay(dpy);
371 xDRI2DestroyDrawableReq *req;
373 XextSimpleCheckExtension(dpy, info, dri2ExtensionName);
378 GetReq(DRI2DestroyDrawable, req);
379 req->reqType = info->codes->major_opcode;
380 req->dri2ReqType = X_DRI2DestroyDrawable;
381 req->drawable = drawable;
387 DRI2GetBuffers(Display * dpy, XID drawable,
388 int *width, int *height,
389 unsigned int *attachments, int count, int *outCount)
391 XExtDisplayInfo *info = DRI2FindDisplay(dpy);
392 xDRI2GetBuffersReply rep;
393 xDRI2GetBuffersReq *req;
395 xDRI2Buffer repBuffer;
399 XextCheckExtension(dpy, info, dri2ExtensionName, False);
402 GetReqExtra(DRI2GetBuffers, count * 4, req);
403 req->reqType = info->codes->major_opcode;
404 req->dri2ReqType = X_DRI2GetBuffers;
405 req->drawable = drawable;
407 p = (CARD32 *) & req[1];
408 for (i = 0; i < count; i++)
409 p[i] = attachments[i];
411 if (!_XReply(dpy, (xReply *) & rep, 0, xFalse)) {
418 *height = rep.height;
419 *outCount = rep.count;
421 buffers = Xmalloc(rep.count * sizeof buffers[0]);
422 if (buffers == NULL) {
423 _XEatData(dpy, rep.count * sizeof repBuffer);
429 for (i = 0; i < rep.count; i++) {
430 _XReadPad(dpy, (char *) &repBuffer, sizeof repBuffer);
431 buffers[i].attachment = repBuffer.attachment;
432 buffers[i].name = repBuffer.name;
433 buffers[i].pitch = repBuffer.pitch;
434 buffers[i].cpp = repBuffer.cpp;
435 buffers[i].flags = repBuffer.flags;
446 DRI2GetBuffersWithFormat(Display * dpy, XID drawable,
447 int *width, int *height,
448 unsigned int *attachments, int count, int *outCount)
450 XExtDisplayInfo *info = DRI2FindDisplay(dpy);
451 xDRI2GetBuffersReply rep;
452 xDRI2GetBuffersReq *req;
454 xDRI2Buffer repBuffer;
458 XextCheckExtension(dpy, info, dri2ExtensionName, False);
461 GetReqExtra(DRI2GetBuffers, count * (4 * 2), req);
462 req->reqType = info->codes->major_opcode;
463 req->dri2ReqType = X_DRI2GetBuffersWithFormat;
464 req->drawable = drawable;
466 p = (CARD32 *) & req[1];
467 for (i = 0; i < (count * 2); i++)
468 p[i] = attachments[i];
470 if (!_XReply(dpy, (xReply *) & rep, 0, xFalse)) {
477 *height = rep.height;
478 *outCount = rep.count;
480 buffers = Xmalloc(rep.count * sizeof buffers[0]);
481 if (buffers == NULL) {
482 _XEatData(dpy, rep.count * sizeof repBuffer);
488 for (i = 0; i < rep.count; i++) {
489 _XReadPad(dpy, (char *) &repBuffer, sizeof repBuffer);
490 buffers[i].attachment = repBuffer.attachment;
491 buffers[i].name = repBuffer.name;
492 buffers[i].pitch = repBuffer.pitch;
493 buffers[i].cpp = repBuffer.cpp;
494 buffers[i].flags = repBuffer.flags;
505 DRI2CopyRegion(Display * dpy, XID drawable, XserverRegion region,
506 CARD32 dest, CARD32 src)
508 XExtDisplayInfo *info = DRI2FindDisplay(dpy);
509 xDRI2CopyRegionReq *req;
510 xDRI2CopyRegionReply rep;
512 XextSimpleCheckExtension(dpy, info, dri2ExtensionName);
515 GetReq(DRI2CopyRegion, req);
516 req->reqType = info->codes->major_opcode;
517 req->dri2ReqType = X_DRI2CopyRegion;
518 req->drawable = drawable;
519 req->region = region;
523 _XReply(dpy, (xReply *) & rep, 0, xFalse);
529 #ifdef X_DRI2SwapBuffers
531 load_swap_req(xDRI2SwapBuffersReq *req, CARD64 target, CARD64 divisor,
534 req->target_msc_hi = target >> 32;
535 req->target_msc_lo = target & 0xffffffff;
536 req->divisor_hi = divisor >> 32;
537 req->divisor_lo = divisor & 0xffffffff;
538 req->remainder_hi = remainder >> 32;
539 req->remainder_lo = remainder & 0xffffffff;
543 vals_to_card64(CARD32 lo, CARD32 hi)
545 return (CARD64)hi << 32 | lo;
548 void DRI2SwapBuffers(Display *dpy, XID drawable, CARD64 target_msc,
549 CARD64 divisor, CARD64 remainder, CARD64 *count)
551 XExtDisplayInfo *info = DRI2FindDisplay(dpy);
552 xDRI2SwapBuffersReq *req;
553 xDRI2SwapBuffersReply rep;
555 XextSimpleCheckExtension (dpy, info, dri2ExtensionName);
558 GetReq(DRI2SwapBuffers, req);
559 req->reqType = info->codes->major_opcode;
560 req->dri2ReqType = X_DRI2SwapBuffers;
561 req->drawable = drawable;
562 load_swap_req(req, target_msc, divisor, remainder);
564 _XReply(dpy, (xReply *)&rep, 0, xFalse);
566 *count = vals_to_card64(rep.swap_lo, rep.swap_hi);
574 Bool DRI2GetMSC(Display *dpy, XID drawable, CARD64 *ust, CARD64 *msc,
577 XExtDisplayInfo *info = DRI2FindDisplay(dpy);
581 XextCheckExtension (dpy, info, dri2ExtensionName, False);
584 GetReq(DRI2GetMSC, req);
585 req->reqType = info->codes->major_opcode;
586 req->dri2ReqType = X_DRI2GetMSC;
587 req->drawable = drawable;
589 if (!_XReply(dpy, (xReply *)&rep, 0, xFalse)) {
595 *ust = vals_to_card64(rep.ust_lo, rep.ust_hi);
596 *msc = vals_to_card64(rep.msc_lo, rep.msc_hi);
597 *sbc = vals_to_card64(rep.sbc_lo, rep.sbc_hi);
608 load_msc_req(xDRI2WaitMSCReq *req, CARD64 target, CARD64 divisor,
611 req->target_msc_hi = target >> 32;
612 req->target_msc_lo = target & 0xffffffff;
613 req->divisor_hi = divisor >> 32;
614 req->divisor_lo = divisor & 0xffffffff;
615 req->remainder_hi = remainder >> 32;
616 req->remainder_lo = remainder & 0xffffffff;
619 Bool DRI2WaitMSC(Display *dpy, XID drawable, CARD64 target_msc, CARD64 divisor,
620 CARD64 remainder, CARD64 *ust, CARD64 *msc, CARD64 *sbc)
622 XExtDisplayInfo *info = DRI2FindDisplay(dpy);
623 xDRI2WaitMSCReq *req;
626 XextCheckExtension (dpy, info, dri2ExtensionName, False);
629 GetReq(DRI2WaitMSC, req);
630 req->reqType = info->codes->major_opcode;
631 req->dri2ReqType = X_DRI2WaitMSC;
632 req->drawable = drawable;
633 load_msc_req(req, target_msc, divisor, remainder);
635 if (!_XReply(dpy, (xReply *)&rep, 0, xFalse)) {
641 *ust = ((CARD64)rep.ust_hi << 32) | (CARD64)rep.ust_lo;
642 *msc = ((CARD64)rep.msc_hi << 32) | (CARD64)rep.msc_lo;
643 *sbc = ((CARD64)rep.sbc_hi << 32) | (CARD64)rep.sbc_lo;
654 load_sbc_req(xDRI2WaitSBCReq *req, CARD64 target)
656 req->target_sbc_hi = target >> 32;
657 req->target_sbc_lo = target & 0xffffffff;
660 Bool DRI2WaitSBC(Display *dpy, XID drawable, CARD64 target_sbc, CARD64 *ust,
661 CARD64 *msc, CARD64 *sbc)
663 XExtDisplayInfo *info = DRI2FindDisplay(dpy);
664 xDRI2WaitSBCReq *req;
667 XextCheckExtension (dpy, info, dri2ExtensionName, False);
670 GetReq(DRI2WaitSBC, req);
671 req->reqType = info->codes->major_opcode;
672 req->dri2ReqType = X_DRI2WaitSBC;
673 req->drawable = drawable;
674 load_sbc_req(req, target_sbc);
676 if (!_XReply(dpy, (xReply *)&rep, 0, xFalse)) {
682 *ust = ((CARD64)rep.ust_hi << 32) | rep.ust_lo;
683 *msc = ((CARD64)rep.msc_hi << 32) | rep.msc_lo;
684 *sbc = ((CARD64)rep.sbc_hi << 32) | rep.sbc_lo;
693 #ifdef X_DRI2SwapInterval
694 void DRI2SwapInterval(Display *dpy, XID drawable, int interval)
696 XExtDisplayInfo *info = DRI2FindDisplay(dpy);
697 xDRI2SwapIntervalReq *req;
699 XextSimpleCheckExtension (dpy, info, dri2ExtensionName);
702 GetReq(DRI2SwapInterval, req);
703 req->reqType = info->codes->major_opcode;
704 req->dri2ReqType = X_DRI2SwapInterval;
705 req->drawable = drawable;
706 req->interval = interval;
712 #endif /* GLX_DIRECT_RENDERING */