2
* Copyright Ā© 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 HĆøgsberg (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;
274
XextCheckExtension(dpy, info, dri2ExtensionName, False);
277
GetReq(DRI2Connect, req);
278
req->reqType = info->codes->major_opcode;
279
req->dri2ReqType = X_DRI2Connect;
280
req->window = window;
282
req->driverType = DRI2DriverDRI;
283
#ifdef DRI2DriverPrimeShift
284
prime = getenv("DRI_PRIME");
288
primeid = strtoul(prime, NULL, 0);
290
req->driverType |= ((primeid & DRI2DriverPrimeMask) << DRI2DriverPrimeShift);
294
if (!_XReply(dpy, (xReply *) & rep, 0, xFalse)) {
300
if (rep.driverNameLength == 0 && rep.deviceNameLength == 0) {
306
*driverName = Xmalloc(rep.driverNameLength + 1);
307
if (*driverName == NULL) {
309
((rep.driverNameLength + 3) & ~3) +
310
((rep.deviceNameLength + 3) & ~3));
315
_XReadPad(dpy, *driverName, rep.driverNameLength);
316
(*driverName)[rep.driverNameLength] = '\0';
318
*deviceName = Xmalloc(rep.deviceNameLength + 1);
319
if (*deviceName == NULL) {
321
_XEatData(dpy, ((rep.deviceNameLength + 3) & ~3));
326
_XReadPad(dpy, *deviceName, rep.deviceNameLength);
327
(*deviceName)[rep.deviceNameLength] = '\0';
336
DRI2Authenticate(Display * dpy, XID window, drm_magic_t magic)
338
XExtDisplayInfo *info = DRI2FindDisplay(dpy);
339
xDRI2AuthenticateReq *req;
340
xDRI2AuthenticateReply rep;
342
XextCheckExtension(dpy, info, dri2ExtensionName, False);
345
GetReq(DRI2Authenticate, req);
346
req->reqType = info->codes->major_opcode;
347
req->dri2ReqType = X_DRI2Authenticate;
348
req->window = window;
351
if (!_XReply(dpy, (xReply *) & rep, 0, xFalse)) {
360
return rep.authenticated;
364
DRI2CreateDrawable(Display * dpy, XID drawable)
366
XExtDisplayInfo *info = DRI2FindDisplay(dpy);
367
xDRI2CreateDrawableReq *req;
369
XextSimpleCheckExtension(dpy, info, dri2ExtensionName);
372
GetReq(DRI2CreateDrawable, req);
373
req->reqType = info->codes->major_opcode;
374
req->dri2ReqType = X_DRI2CreateDrawable;
375
req->drawable = drawable;
381
DRI2DestroyDrawable(Display * dpy, XID drawable)
383
XExtDisplayInfo *info = DRI2FindDisplay(dpy);
384
xDRI2DestroyDrawableReq *req;
386
XextSimpleCheckExtension(dpy, info, dri2ExtensionName);
391
GetReq(DRI2DestroyDrawable, req);
392
req->reqType = info->codes->major_opcode;
393
req->dri2ReqType = X_DRI2DestroyDrawable;
394
req->drawable = drawable;
400
DRI2GetBuffers(Display * dpy, XID drawable,
401
int *width, int *height,
402
unsigned int *attachments, int count, int *outCount)
404
XExtDisplayInfo *info = DRI2FindDisplay(dpy);
405
xDRI2GetBuffersReply rep;
406
xDRI2GetBuffersReq *req;
408
xDRI2Buffer repBuffer;
412
XextCheckExtension(dpy, info, dri2ExtensionName, False);
415
GetReqExtra(DRI2GetBuffers, count * 4, req);
416
req->reqType = info->codes->major_opcode;
417
req->dri2ReqType = X_DRI2GetBuffers;
418
req->drawable = drawable;
420
p = (CARD32 *) & req[1];
421
for (i = 0; i < count; i++)
422
p[i] = attachments[i];
424
if (!_XReply(dpy, (xReply *) & rep, 0, xFalse)) {
431
*height = rep.height;
432
*outCount = rep.count;
434
buffers = Xmalloc(rep.count * sizeof buffers[0]);
435
if (buffers == NULL) {
436
_XEatData(dpy, rep.count * sizeof repBuffer);
442
for (i = 0; i < rep.count; i++) {
443
_XReadPad(dpy, (char *) &repBuffer, sizeof repBuffer);
444
buffers[i].attachment = repBuffer.attachment;
445
buffers[i].name = repBuffer.name;
446
buffers[i].pitch = repBuffer.pitch;
447
buffers[i].cpp = repBuffer.cpp;
448
buffers[i].flags = repBuffer.flags;
459
DRI2GetBuffersWithFormat(Display * dpy, XID drawable,
460
int *width, int *height,
461
unsigned int *attachments, int count, int *outCount)
463
XExtDisplayInfo *info = DRI2FindDisplay(dpy);
464
xDRI2GetBuffersReply rep;
465
xDRI2GetBuffersReq *req;
467
xDRI2Buffer repBuffer;
471
XextCheckExtension(dpy, info, dri2ExtensionName, False);
474
GetReqExtra(DRI2GetBuffers, count * (4 * 2), req);
475
req->reqType = info->codes->major_opcode;
476
req->dri2ReqType = X_DRI2GetBuffersWithFormat;
477
req->drawable = drawable;
479
p = (CARD32 *) & req[1];
480
for (i = 0; i < (count * 2); i++)
481
p[i] = attachments[i];
483
if (!_XReply(dpy, (xReply *) & rep, 0, xFalse)) {
490
*height = rep.height;
491
*outCount = rep.count;
493
buffers = Xmalloc(rep.count * sizeof buffers[0]);
494
if (buffers == NULL) {
495
_XEatData(dpy, rep.count * sizeof repBuffer);
501
for (i = 0; i < rep.count; i++) {
502
_XReadPad(dpy, (char *) &repBuffer, sizeof repBuffer);
503
buffers[i].attachment = repBuffer.attachment;
504
buffers[i].name = repBuffer.name;
505
buffers[i].pitch = repBuffer.pitch;
506
buffers[i].cpp = repBuffer.cpp;
507
buffers[i].flags = repBuffer.flags;
518
DRI2CopyRegion(Display * dpy, XID drawable, XserverRegion region,
519
CARD32 dest, CARD32 src)
521
XExtDisplayInfo *info = DRI2FindDisplay(dpy);
522
xDRI2CopyRegionReq *req;
523
xDRI2CopyRegionReply rep;
525
XextSimpleCheckExtension(dpy, info, dri2ExtensionName);
528
GetReq(DRI2CopyRegion, req);
529
req->reqType = info->codes->major_opcode;
530
req->dri2ReqType = X_DRI2CopyRegion;
531
req->drawable = drawable;
532
req->region = region;
536
_XReply(dpy, (xReply *) & rep, 0, xFalse);
542
#ifdef X_DRI2SwapBuffers
544
load_swap_req(xDRI2SwapBuffersReq *req, CARD64 target, CARD64 divisor,
547
req->target_msc_hi = target >> 32;
548
req->target_msc_lo = target & 0xffffffff;
549
req->divisor_hi = divisor >> 32;
550
req->divisor_lo = divisor & 0xffffffff;
551
req->remainder_hi = remainder >> 32;
552
req->remainder_lo = remainder & 0xffffffff;
556
vals_to_card64(CARD32 lo, CARD32 hi)
558
return (CARD64)hi << 32 | lo;
561
void DRI2SwapBuffers(Display *dpy, XID drawable, CARD64 target_msc,
562
CARD64 divisor, CARD64 remainder, CARD64 *count)
564
XExtDisplayInfo *info = DRI2FindDisplay(dpy);
565
xDRI2SwapBuffersReq *req;
566
xDRI2SwapBuffersReply rep;
568
XextSimpleCheckExtension (dpy, info, dri2ExtensionName);
571
GetReq(DRI2SwapBuffers, req);
572
req->reqType = info->codes->major_opcode;
573
req->dri2ReqType = X_DRI2SwapBuffers;
574
req->drawable = drawable;
575
load_swap_req(req, target_msc, divisor, remainder);
577
_XReply(dpy, (xReply *)&rep, 0, xFalse);
579
*count = vals_to_card64(rep.swap_lo, rep.swap_hi);
587
Bool DRI2GetMSC(Display *dpy, XID drawable, CARD64 *ust, CARD64 *msc,
590
XExtDisplayInfo *info = DRI2FindDisplay(dpy);
594
XextCheckExtension (dpy, info, dri2ExtensionName, False);
597
GetReq(DRI2GetMSC, req);
598
req->reqType = info->codes->major_opcode;
599
req->dri2ReqType = X_DRI2GetMSC;
600
req->drawable = drawable;
602
if (!_XReply(dpy, (xReply *)&rep, 0, xFalse)) {
608
*ust = vals_to_card64(rep.ust_lo, rep.ust_hi);
609
*msc = vals_to_card64(rep.msc_lo, rep.msc_hi);
610
*sbc = vals_to_card64(rep.sbc_lo, rep.sbc_hi);
621
load_msc_req(xDRI2WaitMSCReq *req, CARD64 target, CARD64 divisor,
624
req->target_msc_hi = target >> 32;
625
req->target_msc_lo = target & 0xffffffff;
626
req->divisor_hi = divisor >> 32;
627
req->divisor_lo = divisor & 0xffffffff;
628
req->remainder_hi = remainder >> 32;
629
req->remainder_lo = remainder & 0xffffffff;
632
Bool DRI2WaitMSC(Display *dpy, XID drawable, CARD64 target_msc, CARD64 divisor,
633
CARD64 remainder, CARD64 *ust, CARD64 *msc, CARD64 *sbc)
635
XExtDisplayInfo *info = DRI2FindDisplay(dpy);
636
xDRI2WaitMSCReq *req;
639
XextCheckExtension (dpy, info, dri2ExtensionName, False);
642
GetReq(DRI2WaitMSC, req);
643
req->reqType = info->codes->major_opcode;
644
req->dri2ReqType = X_DRI2WaitMSC;
645
req->drawable = drawable;
646
load_msc_req(req, target_msc, divisor, remainder);
648
if (!_XReply(dpy, (xReply *)&rep, 0, xFalse)) {
654
*ust = ((CARD64)rep.ust_hi << 32) | (CARD64)rep.ust_lo;
655
*msc = ((CARD64)rep.msc_hi << 32) | (CARD64)rep.msc_lo;
656
*sbc = ((CARD64)rep.sbc_hi << 32) | (CARD64)rep.sbc_lo;
667
load_sbc_req(xDRI2WaitSBCReq *req, CARD64 target)
669
req->target_sbc_hi = target >> 32;
670
req->target_sbc_lo = target & 0xffffffff;
673
Bool DRI2WaitSBC(Display *dpy, XID drawable, CARD64 target_sbc, CARD64 *ust,
674
CARD64 *msc, CARD64 *sbc)
676
XExtDisplayInfo *info = DRI2FindDisplay(dpy);
677
xDRI2WaitSBCReq *req;
680
XextCheckExtension (dpy, info, dri2ExtensionName, False);
683
GetReq(DRI2WaitSBC, req);
684
req->reqType = info->codes->major_opcode;
685
req->dri2ReqType = X_DRI2WaitSBC;
686
req->drawable = drawable;
687
load_sbc_req(req, target_sbc);
689
if (!_XReply(dpy, (xReply *)&rep, 0, xFalse)) {
695
*ust = ((CARD64)rep.ust_hi << 32) | rep.ust_lo;
696
*msc = ((CARD64)rep.msc_hi << 32) | rep.msc_lo;
697
*sbc = ((CARD64)rep.sbc_hi << 32) | rep.sbc_lo;
706
#ifdef X_DRI2SwapInterval
707
void DRI2SwapInterval(Display *dpy, XID drawable, int interval)
709
XExtDisplayInfo *info = DRI2FindDisplay(dpy);
710
xDRI2SwapIntervalReq *req;
712
XextSimpleCheckExtension (dpy, info, dri2ExtensionName);
715
GetReq(DRI2SwapInterval, req);
716
req->reqType = info->codes->major_opcode;
717
req->dri2ReqType = X_DRI2SwapInterval;
718
req->drawable = drawable;
719
req->interval = interval;
725
#endif /* GLX_DIRECT_RENDERING */