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)
33 #if defined(GLX_DIRECT_RENDERING) && !defined(GLX_USE_APPLEGL)
36 #include <X11/extensions/Xfixes.h>
37 #include <X11/Xlib-xcb.h>
40 #include "glxclient.h"
41 #include <X11/extensions/dri2proto.h>
45 #include <sys/types.h>
49 #include "dri_common.h"
50 #include "dri2_priv.h"
53 /* From xmlpool/options.h, user exposed so should be stable */
54 #define DRI_CONF_VBLANK_NEVER 0
55 #define DRI_CONF_VBLANK_DEF_INTERVAL_0 1
56 #define DRI_CONF_VBLANK_DEF_INTERVAL_1 2
57 #define DRI_CONF_VBLANK_ALWAYS_SYNC 3
67 ** XFree86-DRI version information
73 int invalidateAvailable
;
75 __glxHashTable
*dri2Hash
;
77 const __DRIextension
*loader_extensions
[4];
82 struct glx_context base
;
83 __DRIcontext
*driContext
;
88 __GLXDRIdrawable base
;
89 __DRIdrawable
*driDrawable
;
90 __DRIbuffer buffers
[5];
97 uint64_t previous_time
;
101 static const struct glx_context_vtable dri2_context_vtable
;
103 /* For XCB's handling of ust/msc/sbc counters, we have to hand it the high and
104 * low halves separately. This helps you split them.
107 split_counter(uint64_t counter
, uint32_t *hi
, uint32_t *lo
)
109 *hi
= (counter
>> 32);
110 *lo
= counter
& 0xffffffff;
114 merge_counter(uint32_t hi
, uint32_t lo
)
116 return ((uint64_t)hi
<< 32) | lo
;
120 dri2_destroy_context(struct glx_context
*context
)
122 struct dri2_context
*pcp
= (struct dri2_context
*) context
;
123 struct dri2_screen
*psc
= (struct dri2_screen
*) context
->psc
;
125 driReleaseDrawables(&pcp
->base
);
127 free((char *) context
->extensions
);
129 (*psc
->core
->destroyContext
) (pcp
->driContext
);
135 dri2_bind_context(struct glx_context
*context
, struct glx_context
*old
,
136 GLXDrawable draw
, GLXDrawable read
)
138 struct dri2_context
*pcp
= (struct dri2_context
*) context
;
139 struct dri2_screen
*psc
= (struct dri2_screen
*) pcp
->base
.psc
;
140 struct dri2_drawable
*pdraw
, *pread
;
141 __DRIdrawable
*dri_draw
= NULL
, *dri_read
= NULL
;
142 struct dri2_display
*pdp
;
144 pdraw
= (struct dri2_drawable
*) driFetchDrawable(context
, draw
);
145 pread
= (struct dri2_drawable
*) driFetchDrawable(context
, read
);
147 driReleaseDrawables(&pcp
->base
);
150 dri_draw
= pdraw
->driDrawable
;
151 else if (draw
!= None
)
152 return GLXBadDrawable
;
155 dri_read
= pread
->driDrawable
;
156 else if (read
!= None
)
157 return GLXBadDrawable
;
159 if (!(*psc
->core
->bindContext
) (pcp
->driContext
, dri_draw
, dri_read
))
160 return GLXBadContext
;
162 /* If the server doesn't send invalidate events, we may miss a
163 * resize before the rendering starts. Invalidate the buffers now
164 * so the driver will recheck before rendering starts. */
165 pdp
= (struct dri2_display
*) psc
->base
.display
;
166 if (!pdp
->invalidateAvailable
&& pdraw
) {
167 dri2InvalidateBuffers(psc
->base
.dpy
, pdraw
->base
.xDrawable
);
168 if (pread
!= pdraw
&& pread
)
169 dri2InvalidateBuffers(psc
->base
.dpy
, pread
->base
.xDrawable
);
176 dri2_unbind_context(struct glx_context
*context
, struct glx_context
*new)
178 struct dri2_context
*pcp
= (struct dri2_context
*) context
;
179 struct dri2_screen
*psc
= (struct dri2_screen
*) pcp
->base
.psc
;
181 (*psc
->core
->unbindContext
) (pcp
->driContext
);
184 static struct glx_context
*
185 dri2_create_context(struct glx_screen
*base
,
186 struct glx_config
*config_base
,
187 struct glx_context
*shareList
, int renderType
)
189 struct dri2_context
*pcp
, *pcp_shared
;
190 struct dri2_screen
*psc
= (struct dri2_screen
*) base
;
191 __GLXDRIconfigPrivate
*config
= (__GLXDRIconfigPrivate
*) config_base
;
192 __DRIcontext
*shared
= NULL
;
194 /* Check the renderType value */
195 if (!validate_renderType_against_config(config_base
, renderType
))
199 /* If the shareList context is not a DRI2 context, we cannot possibly
200 * create a DRI2 context that shares it.
202 if (shareList
->vtable
->destroy
!= dri2_destroy_context
) {
206 pcp_shared
= (struct dri2_context
*) shareList
;
207 shared
= pcp_shared
->driContext
;
210 pcp
= calloc(1, sizeof *pcp
);
214 if (!glx_context_init(&pcp
->base
, &psc
->base
, &config
->base
)) {
219 pcp
->base
.renderType
= renderType
;
222 (*psc
->dri2
->createNewContext
) (psc
->driScreen
,
223 config
->driConfig
, shared
, pcp
);
225 if (pcp
->driContext
== NULL
) {
230 pcp
->base
.vtable
= &dri2_context_vtable
;
235 static struct glx_context
*
236 dri2_create_context_attribs(struct glx_screen
*base
,
237 struct glx_config
*config_base
,
238 struct glx_context
*shareList
,
239 unsigned num_attribs
,
240 const uint32_t *attribs
,
243 struct dri2_context
*pcp
= NULL
;
244 struct dri2_context
*pcp_shared
= NULL
;
245 struct dri2_screen
*psc
= (struct dri2_screen
*) base
;
246 __GLXDRIconfigPrivate
*config
= (__GLXDRIconfigPrivate
*) config_base
;
247 __DRIcontext
*shared
= NULL
;
255 uint32_t ctx_attribs
[2 * 5];
256 unsigned num_ctx_attribs
= 0;
258 if (psc
->dri2
->base
.version
< 3) {
259 *error
= __DRI_CTX_ERROR_NO_MEMORY
;
263 /* Remap the GLX tokens to DRI2 tokens.
265 if (!dri2_convert_glx_attribs(num_attribs
, attribs
,
266 &major_ver
, &minor_ver
, &renderType
, &flags
,
267 &api
, &reset
, error
))
270 /* Check the renderType value */
271 if (!validate_renderType_against_config(config_base
, renderType
))
275 pcp_shared
= (struct dri2_context
*) shareList
;
276 shared
= pcp_shared
->driContext
;
279 pcp
= calloc(1, sizeof *pcp
);
281 *error
= __DRI_CTX_ERROR_NO_MEMORY
;
285 if (!glx_context_init(&pcp
->base
, &psc
->base
, &config
->base
))
288 ctx_attribs
[num_ctx_attribs
++] = __DRI_CTX_ATTRIB_MAJOR_VERSION
;
289 ctx_attribs
[num_ctx_attribs
++] = major_ver
;
290 ctx_attribs
[num_ctx_attribs
++] = __DRI_CTX_ATTRIB_MINOR_VERSION
;
291 ctx_attribs
[num_ctx_attribs
++] = minor_ver
;
293 /* Only send a value when the non-default value is requested. By doing
294 * this we don't have to check the driver's DRI2 version before sending the
297 if (reset
!= __DRI_CTX_RESET_NO_NOTIFICATION
) {
298 ctx_attribs
[num_ctx_attribs
++] = __DRI_CTX_ATTRIB_RESET_STRATEGY
;
299 ctx_attribs
[num_ctx_attribs
++] = reset
;
303 ctx_attribs
[num_ctx_attribs
++] = __DRI_CTX_ATTRIB_FLAGS
;
305 /* The current __DRI_CTX_FLAG_* values are identical to the
306 * GLX_CONTEXT_*_BIT values.
308 ctx_attribs
[num_ctx_attribs
++] = flags
;
311 /* The renderType is retrieved from attribs, or set to default
314 pcp
->base
.renderType
= renderType
;
317 (*psc
->dri2
->createContextAttribs
) (psc
->driScreen
,
326 if (pcp
->driContext
== NULL
)
329 pcp
->base
.vtable
= &dri2_context_vtable
;
340 dri2DestroyDrawable(__GLXDRIdrawable
*base
)
342 struct dri2_screen
*psc
= (struct dri2_screen
*) base
->psc
;
343 struct dri2_drawable
*pdraw
= (struct dri2_drawable
*) base
;
344 struct glx_display
*dpyPriv
= psc
->base
.display
;
345 struct dri2_display
*pdp
= (struct dri2_display
*)dpyPriv
->dri2Display
;
347 __glxHashDelete(pdp
->dri2Hash
, pdraw
->base
.xDrawable
);
348 (*psc
->core
->destroyDrawable
) (pdraw
->driDrawable
);
350 /* If it's a GLX 1.3 drawables, we can destroy the DRI2 drawable
351 * now, as the application explicitly asked to destroy the GLX
352 * drawable. Otherwise, for legacy drawables, we let the DRI2
353 * drawable linger on the server, since there's no good way of
354 * knowing when the application is done with it. The server will
355 * destroy the DRI2 drawable when it destroys the X drawable or the
356 * client exits anyway. */
357 if (pdraw
->base
.xDrawable
!= pdraw
->base
.drawable
)
358 DRI2DestroyDrawable(psc
->base
.dpy
, pdraw
->base
.xDrawable
);
363 static __GLXDRIdrawable
*
364 dri2CreateDrawable(struct glx_screen
*base
, XID xDrawable
,
365 GLXDrawable drawable
, struct glx_config
*config_base
)
367 struct dri2_drawable
*pdraw
;
368 struct dri2_screen
*psc
= (struct dri2_screen
*) base
;
369 __GLXDRIconfigPrivate
*config
= (__GLXDRIconfigPrivate
*) config_base
;
370 struct glx_display
*dpyPriv
;
371 struct dri2_display
*pdp
;
372 GLint vblank_mode
= DRI_CONF_VBLANK_DEF_INTERVAL_1
;
374 dpyPriv
= __glXInitialize(psc
->base
.dpy
);
378 pdraw
= calloc(1, sizeof(*pdraw
));
382 pdraw
->base
.destroyDrawable
= dri2DestroyDrawable
;
383 pdraw
->base
.xDrawable
= xDrawable
;
384 pdraw
->base
.drawable
= drawable
;
385 pdraw
->base
.psc
= &psc
->base
;
386 pdraw
->bufferCount
= 0;
387 pdraw
->swap_interval
= 1; /* default may be overridden below */
388 pdraw
->have_back
= 0;
391 psc
->config
->configQueryi(psc
->driScreen
,
392 "vblank_mode", &vblank_mode
);
394 switch (vblank_mode
) {
395 case DRI_CONF_VBLANK_NEVER
:
396 case DRI_CONF_VBLANK_DEF_INTERVAL_0
:
397 pdraw
->swap_interval
= 0;
399 case DRI_CONF_VBLANK_DEF_INTERVAL_1
:
400 case DRI_CONF_VBLANK_ALWAYS_SYNC
:
402 pdraw
->swap_interval
= 1;
406 DRI2CreateDrawable(psc
->base
.dpy
, xDrawable
);
407 pdp
= (struct dri2_display
*)dpyPriv
->dri2Display
;;
408 /* Create a new drawable */
410 (*psc
->dri2
->createNewDrawable
) (psc
->driScreen
,
411 config
->driConfig
, pdraw
);
413 if (!pdraw
->driDrawable
) {
414 DRI2DestroyDrawable(psc
->base
.dpy
, xDrawable
);
419 if (__glxHashInsert(pdp
->dri2Hash
, xDrawable
, pdraw
)) {
420 (*psc
->core
->destroyDrawable
) (pdraw
->driDrawable
);
421 DRI2DestroyDrawable(psc
->base
.dpy
, xDrawable
);
427 * Make sure server has the same swap interval we do for the new
430 if (psc
->vtable
.setSwapInterval
)
431 psc
->vtable
.setSwapInterval(&pdraw
->base
, pdraw
->swap_interval
);
437 dri2DrawableGetMSC(struct glx_screen
*psc
, __GLXDRIdrawable
*pdraw
,
438 int64_t *ust
, int64_t *msc
, int64_t *sbc
)
440 xcb_connection_t
*c
= XGetXCBConnection(pdraw
->psc
->dpy
);
441 xcb_dri2_get_msc_cookie_t get_msc_cookie
;
442 xcb_dri2_get_msc_reply_t
*get_msc_reply
;
444 get_msc_cookie
= xcb_dri2_get_msc_unchecked(c
, pdraw
->xDrawable
);
445 get_msc_reply
= xcb_dri2_get_msc_reply(c
, get_msc_cookie
, NULL
);
450 *ust
= merge_counter(get_msc_reply
->ust_hi
, get_msc_reply
->ust_lo
);
451 *msc
= merge_counter(get_msc_reply
->msc_hi
, get_msc_reply
->msc_lo
);
452 *sbc
= merge_counter(get_msc_reply
->sbc_hi
, get_msc_reply
->sbc_lo
);
459 dri2WaitForMSC(__GLXDRIdrawable
*pdraw
, int64_t target_msc
, int64_t divisor
,
460 int64_t remainder
, int64_t *ust
, int64_t *msc
, int64_t *sbc
)
462 xcb_connection_t
*c
= XGetXCBConnection(pdraw
->psc
->dpy
);
463 xcb_dri2_wait_msc_cookie_t wait_msc_cookie
;
464 xcb_dri2_wait_msc_reply_t
*wait_msc_reply
;
465 uint32_t target_msc_hi
, target_msc_lo
;
466 uint32_t divisor_hi
, divisor_lo
;
467 uint32_t remainder_hi
, remainder_lo
;
469 split_counter(target_msc
, &target_msc_hi
, &target_msc_lo
);
470 split_counter(divisor
, &divisor_hi
, &divisor_lo
);
471 split_counter(remainder
, &remainder_hi
, &remainder_lo
);
473 wait_msc_cookie
= xcb_dri2_wait_msc_unchecked(c
, pdraw
->xDrawable
,
474 target_msc_hi
, target_msc_lo
,
475 divisor_hi
, divisor_lo
,
476 remainder_hi
, remainder_lo
);
477 wait_msc_reply
= xcb_dri2_wait_msc_reply(c
, wait_msc_cookie
, NULL
);
482 *ust
= merge_counter(wait_msc_reply
->ust_hi
, wait_msc_reply
->ust_lo
);
483 *msc
= merge_counter(wait_msc_reply
->msc_hi
, wait_msc_reply
->msc_lo
);
484 *sbc
= merge_counter(wait_msc_reply
->sbc_hi
, wait_msc_reply
->sbc_lo
);
485 free(wait_msc_reply
);
491 dri2WaitForSBC(__GLXDRIdrawable
*pdraw
, int64_t target_sbc
, int64_t *ust
,
492 int64_t *msc
, int64_t *sbc
)
494 xcb_connection_t
*c
= XGetXCBConnection(pdraw
->psc
->dpy
);
495 xcb_dri2_wait_sbc_cookie_t wait_sbc_cookie
;
496 xcb_dri2_wait_sbc_reply_t
*wait_sbc_reply
;
497 uint32_t target_sbc_hi
, target_sbc_lo
;
499 split_counter(target_sbc
, &target_sbc_hi
, &target_sbc_lo
);
501 wait_sbc_cookie
= xcb_dri2_wait_sbc_unchecked(c
, pdraw
->xDrawable
,
502 target_sbc_hi
, target_sbc_lo
);
503 wait_sbc_reply
= xcb_dri2_wait_sbc_reply(c
, wait_sbc_cookie
, NULL
);
508 *ust
= merge_counter(wait_sbc_reply
->ust_hi
, wait_sbc_reply
->ust_lo
);
509 *msc
= merge_counter(wait_sbc_reply
->msc_hi
, wait_sbc_reply
->msc_lo
);
510 *sbc
= merge_counter(wait_sbc_reply
->sbc_hi
, wait_sbc_reply
->sbc_lo
);
511 free(wait_sbc_reply
);
516 static __DRIcontext
*
517 dri2GetCurrentContext()
519 struct glx_context
*gc
= __glXGetCurrentContext();
520 struct dri2_context
*dri2Ctx
= (struct dri2_context
*)gc
;
522 return dri2Ctx
? dri2Ctx
->driContext
: NULL
;
526 * dri2Throttle - Request driver throttling
528 * This function uses the DRI2 throttle extension to give the
529 * driver the opportunity to throttle on flush front, copysubbuffer
533 dri2Throttle(struct dri2_screen
*psc
,
534 struct dri2_drawable
*draw
,
535 enum __DRI2throttleReason reason
)
538 __DRIcontext
*ctx
= dri2GetCurrentContext();
540 psc
->throttle
->throttle(ctx
, draw
->driDrawable
, reason
);
545 * Asks the driver to flush any queued work necessary for serializing with the
546 * X command stream, and optionally the slightly more strict requirement of
547 * glFlush() equivalence (which would require flushing even if nothing had
548 * been drawn to a window system framebuffer, for example).
551 dri2Flush(struct dri2_screen
*psc
,
553 struct dri2_drawable
*draw
,
555 enum __DRI2throttleReason throttle_reason
)
557 if (ctx
&& psc
->f
&& psc
->f
->base
.version
>= 4) {
558 psc
->f
->flush_with_flags(ctx
, draw
->driDrawable
, flags
, throttle_reason
);
560 if (flags
& __DRI2_FLUSH_CONTEXT
)
564 psc
->f
->flush(draw
->driDrawable
);
566 dri2Throttle(psc
, draw
, throttle_reason
);
571 __dri2CopySubBuffer(__GLXDRIdrawable
*pdraw
, int x
, int y
,
572 int width
, int height
,
573 enum __DRI2throttleReason reason
, Bool flush
)
575 struct dri2_drawable
*priv
= (struct dri2_drawable
*) pdraw
;
576 struct dri2_screen
*psc
= (struct dri2_screen
*) pdraw
->psc
;
578 XserverRegion region
;
579 __DRIcontext
*ctx
= dri2GetCurrentContext();
582 /* Check we have the right attachments */
583 if (!priv
->have_back
)
587 xrect
.y
= priv
->height
- y
- height
;
589 xrect
.height
= height
;
591 flags
= __DRI2_FLUSH_DRAWABLE
;
593 flags
|= __DRI2_FLUSH_CONTEXT
;
594 dri2Flush(psc
, ctx
, priv
, flags
, __DRI2_THROTTLE_SWAPBUFFER
);
596 region
= XFixesCreateRegion(psc
->base
.dpy
, &xrect
, 1);
597 DRI2CopyRegion(psc
->base
.dpy
, pdraw
->xDrawable
, region
,
598 DRI2BufferFrontLeft
, DRI2BufferBackLeft
);
600 /* Refresh the fake front (if present) after we just damaged the real
603 if (priv
->have_fake_front
)
604 DRI2CopyRegion(psc
->base
.dpy
, pdraw
->xDrawable
, region
,
605 DRI2BufferFakeFrontLeft
, DRI2BufferFrontLeft
);
607 XFixesDestroyRegion(psc
->base
.dpy
, region
);
611 dri2CopySubBuffer(__GLXDRIdrawable
*pdraw
, int x
, int y
,
612 int width
, int height
, Bool flush
)
614 __dri2CopySubBuffer(pdraw
, x
, y
, width
, height
,
615 __DRI2_THROTTLE_COPYSUBBUFFER
, flush
);
620 dri2_copy_drawable(struct dri2_drawable
*priv
, int dest
, int src
)
623 XserverRegion region
;
624 struct dri2_screen
*psc
= (struct dri2_screen
*) priv
->base
.psc
;
628 xrect
.width
= priv
->width
;
629 xrect
.height
= priv
->height
;
632 (*psc
->f
->flush
) (priv
->driDrawable
);
634 region
= XFixesCreateRegion(psc
->base
.dpy
, &xrect
, 1);
635 DRI2CopyRegion(psc
->base
.dpy
, priv
->base
.xDrawable
, region
, dest
, src
);
636 XFixesDestroyRegion(psc
->base
.dpy
, region
);
641 dri2_wait_x(struct glx_context
*gc
)
643 struct dri2_drawable
*priv
= (struct dri2_drawable
*)
644 GetGLXDRIDrawable(gc
->currentDpy
, gc
->currentDrawable
);
646 if (priv
== NULL
|| !priv
->have_fake_front
)
649 dri2_copy_drawable(priv
, DRI2BufferFakeFrontLeft
, DRI2BufferFrontLeft
);
653 dri2_wait_gl(struct glx_context
*gc
)
655 struct dri2_drawable
*priv
= (struct dri2_drawable
*)
656 GetGLXDRIDrawable(gc
->currentDpy
, gc
->currentDrawable
);
658 if (priv
== NULL
|| !priv
->have_fake_front
)
661 dri2_copy_drawable(priv
, DRI2BufferFrontLeft
, DRI2BufferFakeFrontLeft
);
665 * Called by the driver when it needs to update the real front buffer with the
666 * contents of its fake front buffer.
669 dri2FlushFrontBuffer(__DRIdrawable
*driDrawable
, void *loaderPrivate
)
671 struct glx_display
*priv
;
672 struct dri2_display
*pdp
;
673 struct glx_context
*gc
;
674 struct dri2_drawable
*pdraw
= loaderPrivate
;
675 struct dri2_screen
*psc
;
680 if (!pdraw
->base
.psc
)
683 psc
= (struct dri2_screen
*) pdraw
->base
.psc
;
685 priv
= __glXInitialize(psc
->base
.dpy
);
690 pdp
= (struct dri2_display
*) priv
->dri2Display
;
691 gc
= __glXGetCurrentContext();
693 dri2Throttle(psc
, pdraw
, __DRI2_THROTTLE_FLUSHFRONT
);
695 /* Old servers don't send invalidate events */
696 if (!pdp
->invalidateAvailable
)
697 dri2InvalidateBuffers(priv
->dpy
, pdraw
->base
.xDrawable
);
704 dri2DestroyScreen(struct glx_screen
*base
)
706 struct dri2_screen
*psc
= (struct dri2_screen
*) base
;
708 /* Free the direct rendering per screen data */
709 (*psc
->core
->destroyScreen
) (psc
->driScreen
);
710 driDestroyConfigs(psc
->driver_configs
);
716 * Process list of buffer received from the server
718 * Processes the list of buffers received in a reply from the server to either
719 * \c DRI2GetBuffers or \c DRI2GetBuffersWithFormat.
722 process_buffers(struct dri2_drawable
* pdraw
, DRI2Buffer
* buffers
,
727 pdraw
->bufferCount
= count
;
728 pdraw
->have_fake_front
= 0;
729 pdraw
->have_back
= 0;
731 /* This assumes the DRI2 buffer attachment tokens matches the
732 * __DRIbuffer tokens. */
733 for (i
= 0; i
< count
; i
++) {
734 pdraw
->buffers
[i
].attachment
= buffers
[i
].attachment
;
735 pdraw
->buffers
[i
].name
= buffers
[i
].name
;
736 pdraw
->buffers
[i
].pitch
= buffers
[i
].pitch
;
737 pdraw
->buffers
[i
].cpp
= buffers
[i
].cpp
;
738 pdraw
->buffers
[i
].flags
= buffers
[i
].flags
;
739 if (pdraw
->buffers
[i
].attachment
== __DRI_BUFFER_FAKE_FRONT_LEFT
)
740 pdraw
->have_fake_front
= 1;
741 if (pdraw
->buffers
[i
].attachment
== __DRI_BUFFER_BACK_LEFT
)
742 pdraw
->have_back
= 1;
747 unsigned dri2GetSwapEventType(Display
* dpy
, XID drawable
)
749 struct glx_display
*glx_dpy
= __glXInitialize(dpy
);
750 __GLXDRIdrawable
*pdraw
;
751 pdraw
= dri2GetGlxDrawableFromXDrawableId(dpy
, drawable
);
752 if (!pdraw
|| !(pdraw
->eventMask
& GLX_BUFFER_SWAP_COMPLETE_INTEL_MASK
))
754 return glx_dpy
->codes
->first_event
+ GLX_BufferSwapComplete
;
757 static void show_fps(struct dri2_drawable
*draw
)
760 ((struct dri2_screen
*) draw
->base
.psc
)->show_fps_interval
;
762 uint64_t current_time
;
764 gettimeofday(&tv
, 0);
765 current_time
= (uint64_t)tv
.tv_sec
*1000000 + (uint64_t)tv
.tv_usec
;
769 if (draw
->previous_time
+ interval
* 1000000 <= current_time
) {
770 if (draw
->previous_time
) {
771 fprintf(stderr
, "libGL: FPS = %.1f\n",
772 ((uint64_t)draw
->frames
* 1000000) /
773 (double)(current_time
- draw
->previous_time
));
776 draw
->previous_time
= current_time
;
781 dri2XcbSwapBuffers(Display
*dpy
,
782 __GLXDRIdrawable
*pdraw
,
787 xcb_dri2_swap_buffers_cookie_t swap_buffers_cookie
;
788 xcb_dri2_swap_buffers_reply_t
*swap_buffers_reply
;
789 uint32_t target_msc_hi
, target_msc_lo
;
790 uint32_t divisor_hi
, divisor_lo
;
791 uint32_t remainder_hi
, remainder_lo
;
793 xcb_connection_t
*c
= XGetXCBConnection(dpy
);
795 split_counter(target_msc
, &target_msc_hi
, &target_msc_lo
);
796 split_counter(divisor
, &divisor_hi
, &divisor_lo
);
797 split_counter(remainder
, &remainder_hi
, &remainder_lo
);
799 swap_buffers_cookie
=
800 xcb_dri2_swap_buffers_unchecked(c
, pdraw
->xDrawable
,
801 target_msc_hi
, target_msc_lo
,
802 divisor_hi
, divisor_lo
,
803 remainder_hi
, remainder_lo
);
805 /* Immediately wait on the swapbuffers reply. If we didn't, we'd have
806 * to do so some time before reusing a (non-pageflipped) backbuffer.
807 * Otherwise, the new rendering could get ahead of the X Server's
808 * dispatch of the swapbuffer and you'd display garbage.
810 * We use XSync() first to reap the invalidate events through the event
811 * filter, to ensure that the next drawing doesn't use an invalidated
817 xcb_dri2_swap_buffers_reply(c
, swap_buffers_cookie
, NULL
);
818 if (swap_buffers_reply
) {
819 ret
= merge_counter(swap_buffers_reply
->swap_hi
,
820 swap_buffers_reply
->swap_lo
);
821 free(swap_buffers_reply
);
827 dri2SwapBuffers(__GLXDRIdrawable
*pdraw
, int64_t target_msc
, int64_t divisor
,
828 int64_t remainder
, Bool flush
)
830 struct dri2_drawable
*priv
= (struct dri2_drawable
*) pdraw
;
831 struct glx_display
*dpyPriv
= __glXInitialize(priv
->base
.psc
->dpy
);
832 struct dri2_screen
*psc
= (struct dri2_screen
*) priv
->base
.psc
;
833 struct dri2_display
*pdp
=
834 (struct dri2_display
*)dpyPriv
->dri2Display
;
837 /* Check we have the right attachments */
838 if (!priv
->have_back
)
841 /* Old servers can't handle swapbuffers */
842 if (!pdp
->swapAvailable
) {
843 __dri2CopySubBuffer(pdraw
, 0, 0, priv
->width
, priv
->height
,
844 __DRI2_THROTTLE_SWAPBUFFER
, flush
);
846 __DRIcontext
*ctx
= dri2GetCurrentContext();
847 unsigned flags
= __DRI2_FLUSH_DRAWABLE
;
849 flags
|= __DRI2_FLUSH_CONTEXT
;
850 dri2Flush(psc
, ctx
, priv
, flags
, __DRI2_THROTTLE_SWAPBUFFER
);
852 ret
= dri2XcbSwapBuffers(pdraw
->psc
->dpy
, pdraw
,
853 target_msc
, divisor
, remainder
);
856 if (psc
->show_fps_interval
) {
860 /* Old servers don't send invalidate events */
861 if (!pdp
->invalidateAvailable
)
862 dri2InvalidateBuffers(dpyPriv
->dpy
, pdraw
->xDrawable
);
868 dri2GetBuffers(__DRIdrawable
* driDrawable
,
869 int *width
, int *height
,
870 unsigned int *attachments
, int count
,
871 int *out_count
, void *loaderPrivate
)
873 struct dri2_drawable
*pdraw
= loaderPrivate
;
876 buffers
= DRI2GetBuffers(pdraw
->base
.psc
->dpy
, pdraw
->base
.xDrawable
,
877 width
, height
, attachments
, count
, out_count
);
881 pdraw
->width
= *width
;
882 pdraw
->height
= *height
;
883 process_buffers(pdraw
, buffers
, *out_count
);
887 return pdraw
->buffers
;
891 dri2GetBuffersWithFormat(__DRIdrawable
* driDrawable
,
892 int *width
, int *height
,
893 unsigned int *attachments
, int count
,
894 int *out_count
, void *loaderPrivate
)
896 struct dri2_drawable
*pdraw
= loaderPrivate
;
899 buffers
= DRI2GetBuffersWithFormat(pdraw
->base
.psc
->dpy
,
900 pdraw
->base
.xDrawable
,
901 width
, height
, attachments
,
906 pdraw
->width
= *width
;
907 pdraw
->height
= *height
;
908 process_buffers(pdraw
, buffers
, *out_count
);
912 return pdraw
->buffers
;
916 dri2SetSwapInterval(__GLXDRIdrawable
*pdraw
, int interval
)
918 xcb_connection_t
*c
= XGetXCBConnection(pdraw
->psc
->dpy
);
919 struct dri2_drawable
*priv
= (struct dri2_drawable
*) pdraw
;
920 GLint vblank_mode
= DRI_CONF_VBLANK_DEF_INTERVAL_1
;
921 struct dri2_screen
*psc
= (struct dri2_screen
*) priv
->base
.psc
;
924 psc
->config
->configQueryi(psc
->driScreen
,
925 "vblank_mode", &vblank_mode
);
927 switch (vblank_mode
) {
928 case DRI_CONF_VBLANK_NEVER
:
930 return GLX_BAD_VALUE
;
932 case DRI_CONF_VBLANK_ALWAYS_SYNC
:
934 return GLX_BAD_VALUE
;
940 xcb_dri2_swap_interval(c
, priv
->base
.xDrawable
, interval
);
941 priv
->swap_interval
= interval
;
947 dri2GetSwapInterval(__GLXDRIdrawable
*pdraw
)
949 struct dri2_drawable
*priv
= (struct dri2_drawable
*) pdraw
;
951 return priv
->swap_interval
;
954 static const __DRIdri2LoaderExtension dri2LoaderExtension
= {
955 .base
= { __DRI_DRI2_LOADER
, 3 },
957 .getBuffers
= dri2GetBuffers
,
958 .flushFrontBuffer
= dri2FlushFrontBuffer
,
959 .getBuffersWithFormat
= dri2GetBuffersWithFormat
,
962 static const __DRIdri2LoaderExtension dri2LoaderExtension_old
= {
963 .base
= { __DRI_DRI2_LOADER
, 3 },
965 .getBuffers
= dri2GetBuffers
,
966 .flushFrontBuffer
= dri2FlushFrontBuffer
,
967 .getBuffersWithFormat
= NULL
,
970 static const __DRIuseInvalidateExtension dri2UseInvalidate
= {
971 { __DRI_USE_INVALIDATE
, __DRI_USE_INVALIDATE_VERSION
}
975 dri2InvalidateBuffers(Display
*dpy
, XID drawable
)
977 __GLXDRIdrawable
*pdraw
=
978 dri2GetGlxDrawableFromXDrawableId(dpy
, drawable
);
979 struct dri2_screen
*psc
;
980 struct dri2_drawable
*pdp
= (struct dri2_drawable
*) pdraw
;
985 psc
= (struct dri2_screen
*) pdraw
->psc
;
987 if (pdraw
&& psc
->f
&& psc
->f
->base
.version
>= 3 && psc
->f
->invalidate
)
988 psc
->f
->invalidate(pdp
->driDrawable
);
992 dri2_bind_tex_image(Display
* dpy
,
993 GLXDrawable drawable
,
994 int buffer
, const int *attrib_list
)
996 struct glx_context
*gc
= __glXGetCurrentContext();
997 struct dri2_context
*pcp
= (struct dri2_context
*) gc
;
998 __GLXDRIdrawable
*base
= GetGLXDRIDrawable(dpy
, drawable
);
999 struct glx_display
*dpyPriv
= __glXInitialize(dpy
);
1000 struct dri2_drawable
*pdraw
= (struct dri2_drawable
*) base
;
1001 struct dri2_display
*pdp
;
1002 struct dri2_screen
*psc
;
1004 if (dpyPriv
== NULL
)
1007 pdp
= (struct dri2_display
*) dpyPriv
->dri2Display
;
1009 if (pdraw
!= NULL
) {
1010 psc
= (struct dri2_screen
*) base
->psc
;
1012 if (!pdp
->invalidateAvailable
&& psc
->f
&&
1013 psc
->f
->base
.version
>= 3 && psc
->f
->invalidate
)
1014 psc
->f
->invalidate(pdraw
->driDrawable
);
1016 if (psc
->texBuffer
->base
.version
>= 2 &&
1017 psc
->texBuffer
->setTexBuffer2
!= NULL
) {
1018 (*psc
->texBuffer
->setTexBuffer2
) (pcp
->driContext
,
1019 pdraw
->base
.textureTarget
,
1020 pdraw
->base
.textureFormat
,
1021 pdraw
->driDrawable
);
1024 (*psc
->texBuffer
->setTexBuffer
) (pcp
->driContext
,
1025 pdraw
->base
.textureTarget
,
1026 pdraw
->driDrawable
);
1032 dri2_release_tex_image(Display
* dpy
, GLXDrawable drawable
, int buffer
)
1034 #if __DRI_TEX_BUFFER_VERSION >= 3
1035 struct glx_context
*gc
= __glXGetCurrentContext();
1036 struct dri2_context
*pcp
= (struct dri2_context
*) gc
;
1037 __GLXDRIdrawable
*base
= GetGLXDRIDrawable(dpy
, drawable
);
1038 struct glx_display
*dpyPriv
= __glXInitialize(dpy
);
1039 struct dri2_drawable
*pdraw
= (struct dri2_drawable
*) base
;
1040 struct dri2_display
*pdp
=
1041 (struct dri2_display
*) dpyPriv
->dri2Display
;
1042 struct dri2_screen
*psc
;
1044 if (pdraw
!= NULL
) {
1045 psc
= (struct dri2_screen
*) base
->psc
;
1047 if (psc
->texBuffer
->base
.version
>= 3 &&
1048 psc
->texBuffer
->releaseTexBuffer
!= NULL
) {
1049 (*psc
->texBuffer
->releaseTexBuffer
) (pcp
->driContext
,
1050 pdraw
->base
.textureTarget
,
1051 pdraw
->driDrawable
);
1057 static const struct glx_context_vtable dri2_context_vtable
= {
1058 dri2_destroy_context
,
1060 dri2_unbind_context
,
1064 dri2_bind_tex_image
,
1065 dri2_release_tex_image
,
1066 NULL
, /* get_proc_address */
1070 dri2BindExtensions(struct dri2_screen
*psc
, struct glx_display
* priv
,
1071 const char *driverName
)
1073 const struct dri2_display
*const pdp
= (struct dri2_display
*)
1075 const __DRIextension
**extensions
;
1078 extensions
= psc
->core
->getExtensions(psc
->driScreen
);
1080 __glXEnableDirectExtension(&psc
->base
, "GLX_SGI_video_sync");
1081 __glXEnableDirectExtension(&psc
->base
, "GLX_SGI_swap_control");
1082 __glXEnableDirectExtension(&psc
->base
, "GLX_MESA_swap_control");
1083 __glXEnableDirectExtension(&psc
->base
, "GLX_SGI_make_current_read");
1086 * GLX_INTEL_swap_event is broken on the server side, where it's
1087 * currently unconditionally enabled. This completely breaks
1088 * systems running on drivers which don't support that extension.
1089 * There's no way to test for its presence on this side, so instead
1090 * of disabling it unconditionally, just disable it for drivers
1091 * which are known to not support it, or for DDX drivers supporting
1092 * only an older (pre-ScheduleSwap) version of DRI2.
1094 * This is a hack which is required until:
1095 * http://lists.x.org/archives/xorg-devel/2013-February/035449.html
1096 * is merged and updated xserver makes it's way into distros:
1098 if (pdp
->swapAvailable
&& strcmp(driverName
, "vmwgfx") != 0) {
1099 __glXEnableDirectExtension(&psc
->base
, "GLX_INTEL_swap_event");
1102 if (psc
->dri2
->base
.version
>= 3) {
1103 const unsigned mask
= psc
->dri2
->getAPIMask(psc
->driScreen
);
1105 __glXEnableDirectExtension(&psc
->base
, "GLX_ARB_create_context");
1106 __glXEnableDirectExtension(&psc
->base
, "GLX_ARB_create_context_profile");
1108 if ((mask
& (1 << __DRI_API_GLES2
)) != 0)
1109 __glXEnableDirectExtension(&psc
->base
,
1110 "GLX_EXT_create_context_es2_profile");
1113 for (i
= 0; extensions
[i
]; i
++) {
1114 if ((strcmp(extensions
[i
]->name
, __DRI_TEX_BUFFER
) == 0)) {
1115 psc
->texBuffer
= (__DRItexBufferExtension
*) extensions
[i
];
1116 __glXEnableDirectExtension(&psc
->base
, "GLX_EXT_texture_from_pixmap");
1119 if ((strcmp(extensions
[i
]->name
, __DRI2_FLUSH
) == 0)) {
1120 psc
->f
= (__DRI2flushExtension
*) extensions
[i
];
1121 /* internal driver extension, no GL extension exposed */
1124 if ((strcmp(extensions
[i
]->name
, __DRI2_CONFIG_QUERY
) == 0))
1125 psc
->config
= (__DRI2configQueryExtension
*) extensions
[i
];
1127 if (((strcmp(extensions
[i
]->name
, __DRI2_THROTTLE
) == 0)))
1128 psc
->throttle
= (__DRI2throttleExtension
*) extensions
[i
];
1130 /* DRI2 version 3 is also required because
1131 * GLX_ARB_create_context_robustness requires GLX_ARB_create_context.
1133 if (psc
->dri2
->base
.version
>= 3
1134 && strcmp(extensions
[i
]->name
, __DRI2_ROBUSTNESS
) == 0)
1135 __glXEnableDirectExtension(&psc
->base
,
1136 "GLX_ARB_create_context_robustness");
1138 /* DRI2 version 3 is also required because GLX_MESA_query_renderer
1139 * requires GLX_ARB_create_context_profile.
1141 if (psc
->dri2
->base
.version
>= 3
1142 && strcmp(extensions
[i
]->name
, __DRI2_RENDERER_QUERY
) == 0) {
1143 psc
->rendererQuery
= (__DRI2rendererQueryExtension
*) extensions
[i
];
1144 __glXEnableDirectExtension(&psc
->base
, "GLX_MESA_query_renderer");
1149 static const struct glx_screen_vtable dri2_screen_vtable
= {
1150 dri2_create_context
,
1151 dri2_create_context_attribs
,
1152 dri2_query_renderer_integer
,
1153 dri2_query_renderer_string
,
1156 static struct glx_screen
*
1157 dri2CreateScreen(int screen
, struct glx_display
* priv
)
1159 const __DRIconfig
**driver_configs
;
1160 const __DRIextension
**extensions
;
1161 const struct dri2_display
*const pdp
= (struct dri2_display
*)
1163 struct dri2_screen
*psc
;
1164 __GLXDRIscreen
*psp
;
1165 struct glx_config
*configs
= NULL
, *visuals
= NULL
;
1166 char *driverName
= NULL
, *loader_driverName
, *deviceName
, *tmp
;
1170 psc
= calloc(1, sizeof *psc
);
1176 if (!glx_screen_init(&psc
->base
, screen
, priv
)) {
1181 if (!DRI2Connect(priv
->dpy
, RootWindow(priv
->dpy
, screen
),
1182 &driverName
, &deviceName
)) {
1183 glx_screen_cleanup(&psc
->base
);
1185 InfoMessageF("screen %d does not appear to be DRI2 capable\n", screen
);
1190 psc
->fd
= open(deviceName
, O_RDWR
| O_CLOEXEC
);
1191 if (psc
->fd
== -1 && errno
== EINVAL
)
1194 psc
->fd
= open(deviceName
, O_RDWR
);
1196 fcntl(psc
->fd
, F_SETFD
, fcntl(psc
->fd
, F_GETFD
) | FD_CLOEXEC
);
1199 ErrorMessageF("failed to open drm device: %s\n", strerror(errno
));
1203 /* If Mesa knows about the appropriate driver for this fd, then trust it.
1204 * Otherwise, default to the server's value.
1206 loader_driverName
= loader_get_driver_for_fd(psc
->fd
, 0);
1207 if (loader_driverName
) {
1209 driverName
= loader_driverName
;
1212 psc
->driver
= driOpenDriver(driverName
);
1213 if (psc
->driver
== NULL
) {
1214 ErrorMessageF("driver pointer missing\n");
1218 extensions
= driGetDriverExtensions(psc
->driver
, driverName
);
1219 if (extensions
== NULL
)
1222 for (i
= 0; extensions
[i
]; i
++) {
1223 if (strcmp(extensions
[i
]->name
, __DRI_CORE
) == 0)
1224 psc
->core
= (__DRIcoreExtension
*) extensions
[i
];
1225 if (strcmp(extensions
[i
]->name
, __DRI_DRI2
) == 0)
1226 psc
->dri2
= (__DRIdri2Extension
*) extensions
[i
];
1229 if (psc
->core
== NULL
|| psc
->dri2
== NULL
) {
1230 ErrorMessageF("core dri or dri2 extension not found\n");
1234 if (drmGetMagic(psc
->fd
, &magic
)) {
1235 ErrorMessageF("failed to get magic\n");
1239 if (!DRI2Authenticate(priv
->dpy
, RootWindow(priv
->dpy
, screen
), magic
)) {
1240 ErrorMessageF("failed to authenticate magic %d\n", magic
);
1244 if (psc
->dri2
->base
.version
>= 4) {
1246 psc
->dri2
->createNewScreen2(screen
, psc
->fd
,
1247 (const __DRIextension
**)
1248 &pdp
->loader_extensions
[0],
1250 &driver_configs
, psc
);
1253 psc
->dri2
->createNewScreen(screen
, psc
->fd
,
1254 (const __DRIextension
**)
1255 &pdp
->loader_extensions
[0],
1256 &driver_configs
, psc
);
1259 if (psc
->driScreen
== NULL
) {
1260 ErrorMessageF("failed to create dri screen\n");
1264 dri2BindExtensions(psc
, priv
, driverName
);
1266 configs
= driConvertConfigs(psc
->core
, psc
->base
.configs
, driver_configs
);
1267 visuals
= driConvertConfigs(psc
->core
, psc
->base
.visuals
, driver_configs
);
1269 if (!configs
|| !visuals
)
1272 glx_config_destroy_list(psc
->base
.configs
);
1273 psc
->base
.configs
= configs
;
1274 glx_config_destroy_list(psc
->base
.visuals
);
1275 psc
->base
.visuals
= visuals
;
1277 psc
->driver_configs
= driver_configs
;
1279 psc
->base
.vtable
= &dri2_screen_vtable
;
1281 psc
->base
.driScreen
= psp
;
1282 psp
->destroyScreen
= dri2DestroyScreen
;
1283 psp
->createDrawable
= dri2CreateDrawable
;
1284 psp
->swapBuffers
= dri2SwapBuffers
;
1285 psp
->getDrawableMSC
= NULL
;
1286 psp
->waitForMSC
= NULL
;
1287 psp
->waitForSBC
= NULL
;
1288 psp
->setSwapInterval
= NULL
;
1289 psp
->getSwapInterval
= NULL
;
1290 psp
->getBufferAge
= NULL
;
1292 if (pdp
->driMinor
>= 2) {
1293 psp
->getDrawableMSC
= dri2DrawableGetMSC
;
1294 psp
->waitForMSC
= dri2WaitForMSC
;
1295 psp
->waitForSBC
= dri2WaitForSBC
;
1296 psp
->setSwapInterval
= dri2SetSwapInterval
;
1297 psp
->getSwapInterval
= dri2GetSwapInterval
;
1298 __glXEnableDirectExtension(&psc
->base
, "GLX_OML_sync_control");
1301 /* DRI2 suports SubBuffer through DRI2CopyRegion, so it's always
1303 psp
->copySubBuffer
= dri2CopySubBuffer
;
1304 __glXEnableDirectExtension(&psc
->base
, "GLX_MESA_copy_sub_buffer");
1309 tmp
= getenv("LIBGL_SHOW_FPS");
1310 psc
->show_fps_interval
= (tmp
) ? atoi(tmp
) : 0;
1311 if (psc
->show_fps_interval
< 0)
1312 psc
->show_fps_interval
= 0;
1317 CriticalErrorMessageF("failed to load driver: %s\n", driverName
);
1320 glx_config_destroy_list(configs
);
1322 glx_config_destroy_list(visuals
);
1324 psc
->core
->destroyScreen(psc
->driScreen
);
1325 psc
->driScreen
= NULL
;
1329 dlclose(psc
->driver
);
1333 glx_screen_cleanup(&psc
->base
);
1339 /* Called from __glXFreeDisplayPrivate.
1342 dri2DestroyDisplay(__GLXDRIdisplay
* dpy
)
1344 struct dri2_display
*pdp
= (struct dri2_display
*) dpy
;
1346 __glxHashDestroy(pdp
->dri2Hash
);
1350 _X_HIDDEN __GLXDRIdrawable
*
1351 dri2GetGlxDrawableFromXDrawableId(Display
*dpy
, XID id
)
1353 struct glx_display
*d
= __glXInitialize(dpy
);
1354 struct dri2_display
*pdp
= (struct dri2_display
*) d
->dri2Display
;
1355 __GLXDRIdrawable
*pdraw
;
1357 if (__glxHashLookup(pdp
->dri2Hash
, id
, (void *) &pdraw
) == 0)
1364 * Allocate, initialize and return a __DRIdisplayPrivate object.
1365 * This is called from __glXInitialize() when we are given a new
1368 _X_HIDDEN __GLXDRIdisplay
*
1369 dri2CreateDisplay(Display
* dpy
)
1371 struct dri2_display
*pdp
;
1372 int eventBase
, errorBase
, i
;
1374 if (!DRI2QueryExtension(dpy
, &eventBase
, &errorBase
))
1377 pdp
= malloc(sizeof *pdp
);
1381 if (!DRI2QueryVersion(dpy
, &pdp
->driMajor
, &pdp
->driMinor
)) {
1387 pdp
->swapAvailable
= (pdp
->driMinor
>= 2);
1388 pdp
->invalidateAvailable
= (pdp
->driMinor
>= 3);
1390 pdp
->base
.destroyDisplay
= dri2DestroyDisplay
;
1391 pdp
->base
.createScreen
= dri2CreateScreen
;
1394 if (pdp
->driMinor
< 1)
1395 pdp
->loader_extensions
[i
++] = &dri2LoaderExtension_old
.base
;
1397 pdp
->loader_extensions
[i
++] = &dri2LoaderExtension
.base
;
1399 pdp
->loader_extensions
[i
++] = &systemTimeExtension
.base
;
1401 pdp
->loader_extensions
[i
++] = &dri2UseInvalidate
.base
;
1403 pdp
->loader_extensions
[i
++] = NULL
;
1405 pdp
->dri2Hash
= __glxHashCreate();
1406 if (pdp
->dri2Hash
== NULL
) {
1414 #endif /* GLX_DIRECT_RENDERING */