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
[5];
82 __GLXDRIdrawable base
;
83 __DRIdrawable
*driDrawable
;
84 __DRIbuffer buffers
[5];
91 uint64_t previous_time
;
95 static const struct glx_context_vtable dri2_context_vtable
;
97 /* For XCB's handling of ust/msc/sbc counters, we have to hand it the high and
98 * low halves separately. This helps you split them.
101 split_counter(uint64_t counter
, uint32_t *hi
, uint32_t *lo
)
103 *hi
= (counter
>> 32);
104 *lo
= counter
& 0xffffffff;
108 merge_counter(uint32_t hi
, uint32_t lo
)
110 return ((uint64_t)hi
<< 32) | lo
;
114 dri2_destroy_context(struct glx_context
*context
)
116 struct dri2_context
*pcp
= (struct dri2_context
*) context
;
117 struct dri2_screen
*psc
= (struct dri2_screen
*) context
->psc
;
119 driReleaseDrawables(&pcp
->base
);
121 free((char *) context
->extensions
);
123 (*psc
->core
->destroyContext
) (pcp
->driContext
);
129 dri2_bind_context(struct glx_context
*context
, struct glx_context
*old
,
130 GLXDrawable draw
, GLXDrawable read
)
132 struct dri2_context
*pcp
= (struct dri2_context
*) context
;
133 struct dri2_screen
*psc
= (struct dri2_screen
*) pcp
->base
.psc
;
134 struct dri2_drawable
*pdraw
, *pread
;
135 __DRIdrawable
*dri_draw
= NULL
, *dri_read
= NULL
;
136 struct glx_display
*dpyPriv
= psc
->base
.display
;
137 struct dri2_display
*pdp
;
139 pdraw
= (struct dri2_drawable
*) driFetchDrawable(context
, draw
);
140 pread
= (struct dri2_drawable
*) driFetchDrawable(context
, read
);
142 driReleaseDrawables(&pcp
->base
);
145 dri_draw
= pdraw
->driDrawable
;
146 else if (draw
!= None
)
147 return GLXBadDrawable
;
150 dri_read
= pread
->driDrawable
;
151 else if (read
!= None
)
152 return GLXBadDrawable
;
154 if (!(*psc
->core
->bindContext
) (pcp
->driContext
, dri_draw
, dri_read
))
155 return GLXBadContext
;
157 /* If the server doesn't send invalidate events, we may miss a
158 * resize before the rendering starts. Invalidate the buffers now
159 * so the driver will recheck before rendering starts. */
160 pdp
= (struct dri2_display
*) dpyPriv
->dri2Display
;
161 if (!pdp
->invalidateAvailable
&& pdraw
) {
162 dri2InvalidateBuffers(psc
->base
.dpy
, pdraw
->base
.xDrawable
);
163 if (pread
!= pdraw
&& pread
)
164 dri2InvalidateBuffers(psc
->base
.dpy
, pread
->base
.xDrawable
);
171 dri2_unbind_context(struct glx_context
*context
, struct glx_context
*new)
173 struct dri2_context
*pcp
= (struct dri2_context
*) context
;
174 struct dri2_screen
*psc
= (struct dri2_screen
*) pcp
->base
.psc
;
176 (*psc
->core
->unbindContext
) (pcp
->driContext
);
179 static struct glx_context
*
180 dri2_create_context(struct glx_screen
*base
,
181 struct glx_config
*config_base
,
182 struct glx_context
*shareList
, int renderType
)
184 struct dri2_context
*pcp
, *pcp_shared
;
185 struct dri2_screen
*psc
= (struct dri2_screen
*) base
;
186 __GLXDRIconfigPrivate
*config
= (__GLXDRIconfigPrivate
*) config_base
;
187 __DRIcontext
*shared
= NULL
;
189 /* Check the renderType value */
190 if (!validate_renderType_against_config(config_base
, renderType
))
194 /* If the shareList context is not a DRI2 context, we cannot possibly
195 * create a DRI2 context that shares it.
197 if (shareList
->vtable
->destroy
!= dri2_destroy_context
) {
201 pcp_shared
= (struct dri2_context
*) shareList
;
202 shared
= pcp_shared
->driContext
;
205 pcp
= calloc(1, sizeof *pcp
);
209 if (!glx_context_init(&pcp
->base
, &psc
->base
, &config
->base
)) {
214 pcp
->base
.renderType
= renderType
;
217 (*psc
->dri2
->createNewContext
) (psc
->driScreen
,
218 config
->driConfig
, shared
, pcp
);
220 if (pcp
->driContext
== NULL
) {
225 pcp
->base
.vtable
= &dri2_context_vtable
;
230 static struct glx_context
*
231 dri2_create_context_attribs(struct glx_screen
*base
,
232 struct glx_config
*config_base
,
233 struct glx_context
*shareList
,
234 unsigned num_attribs
,
235 const uint32_t *attribs
,
238 struct dri2_context
*pcp
= NULL
;
239 struct dri2_context
*pcp_shared
= NULL
;
240 struct dri2_screen
*psc
= (struct dri2_screen
*) base
;
241 __GLXDRIconfigPrivate
*config
= (__GLXDRIconfigPrivate
*) config_base
;
242 __DRIcontext
*shared
= NULL
;
250 uint32_t ctx_attribs
[2 * 5];
251 unsigned num_ctx_attribs
= 0;
253 if (psc
->dri2
->base
.version
< 3) {
254 *error
= __DRI_CTX_ERROR_NO_MEMORY
;
258 /* Remap the GLX tokens to DRI2 tokens.
260 if (!dri2_convert_glx_attribs(num_attribs
, attribs
,
261 &major_ver
, &minor_ver
, &renderType
, &flags
,
262 &api
, &reset
, error
))
265 /* Check the renderType value */
266 if (!validate_renderType_against_config(config_base
, renderType
))
270 pcp_shared
= (struct dri2_context
*) shareList
;
271 shared
= pcp_shared
->driContext
;
274 pcp
= calloc(1, sizeof *pcp
);
276 *error
= __DRI_CTX_ERROR_NO_MEMORY
;
280 if (!glx_context_init(&pcp
->base
, &psc
->base
, &config
->base
))
283 ctx_attribs
[num_ctx_attribs
++] = __DRI_CTX_ATTRIB_MAJOR_VERSION
;
284 ctx_attribs
[num_ctx_attribs
++] = major_ver
;
285 ctx_attribs
[num_ctx_attribs
++] = __DRI_CTX_ATTRIB_MINOR_VERSION
;
286 ctx_attribs
[num_ctx_attribs
++] = minor_ver
;
288 /* Only send a value when the non-default value is requested. By doing
289 * this we don't have to check the driver's DRI2 version before sending the
292 if (reset
!= __DRI_CTX_RESET_NO_NOTIFICATION
) {
293 ctx_attribs
[num_ctx_attribs
++] = __DRI_CTX_ATTRIB_RESET_STRATEGY
;
294 ctx_attribs
[num_ctx_attribs
++] = reset
;
298 ctx_attribs
[num_ctx_attribs
++] = __DRI_CTX_ATTRIB_FLAGS
;
300 /* The current __DRI_CTX_FLAG_* values are identical to the
301 * GLX_CONTEXT_*_BIT values.
303 ctx_attribs
[num_ctx_attribs
++] = flags
;
306 /* The renderType is retrieved from attribs, or set to default
309 pcp
->base
.renderType
= renderType
;
312 (*psc
->dri2
->createContextAttribs
) (psc
->driScreen
,
321 if (pcp
->driContext
== NULL
)
324 pcp
->base
.vtable
= &dri2_context_vtable
;
335 dri2DestroyDrawable(__GLXDRIdrawable
*base
)
337 struct dri2_screen
*psc
= (struct dri2_screen
*) base
->psc
;
338 struct dri2_drawable
*pdraw
= (struct dri2_drawable
*) base
;
339 struct glx_display
*dpyPriv
= psc
->base
.display
;
340 struct dri2_display
*pdp
= (struct dri2_display
*)dpyPriv
->dri2Display
;
342 __glxHashDelete(pdp
->dri2Hash
, pdraw
->base
.xDrawable
);
343 (*psc
->core
->destroyDrawable
) (pdraw
->driDrawable
);
345 /* If it's a GLX 1.3 drawables, we can destroy the DRI2 drawable
346 * now, as the application explicitly asked to destroy the GLX
347 * drawable. Otherwise, for legacy drawables, we let the DRI2
348 * drawable linger on the server, since there's no good way of
349 * knowing when the application is done with it. The server will
350 * destroy the DRI2 drawable when it destroys the X drawable or the
351 * client exits anyway. */
352 if (pdraw
->base
.xDrawable
!= pdraw
->base
.drawable
)
353 DRI2DestroyDrawable(psc
->base
.dpy
, pdraw
->base
.xDrawable
);
358 static __GLXDRIdrawable
*
359 dri2CreateDrawable(struct glx_screen
*base
, XID xDrawable
,
360 GLXDrawable drawable
, struct glx_config
*config_base
)
362 struct dri2_drawable
*pdraw
;
363 struct dri2_screen
*psc
= (struct dri2_screen
*) base
;
364 __GLXDRIconfigPrivate
*config
= (__GLXDRIconfigPrivate
*) config_base
;
365 struct glx_display
*dpyPriv
;
366 struct dri2_display
*pdp
;
367 GLint vblank_mode
= DRI_CONF_VBLANK_DEF_INTERVAL_1
;
369 dpyPriv
= __glXInitialize(psc
->base
.dpy
);
373 pdraw
= calloc(1, sizeof(*pdraw
));
377 pdraw
->base
.destroyDrawable
= dri2DestroyDrawable
;
378 pdraw
->base
.xDrawable
= xDrawable
;
379 pdraw
->base
.drawable
= drawable
;
380 pdraw
->base
.psc
= &psc
->base
;
381 pdraw
->bufferCount
= 0;
382 pdraw
->swap_interval
= 1; /* default may be overridden below */
383 pdraw
->have_back
= 0;
386 psc
->config
->configQueryi(psc
->driScreen
,
387 "vblank_mode", &vblank_mode
);
389 switch (vblank_mode
) {
390 case DRI_CONF_VBLANK_NEVER
:
391 case DRI_CONF_VBLANK_DEF_INTERVAL_0
:
392 pdraw
->swap_interval
= 0;
394 case DRI_CONF_VBLANK_DEF_INTERVAL_1
:
395 case DRI_CONF_VBLANK_ALWAYS_SYNC
:
397 pdraw
->swap_interval
= 1;
401 DRI2CreateDrawable(psc
->base
.dpy
, xDrawable
);
402 pdp
= (struct dri2_display
*)dpyPriv
->dri2Display
;
403 /* Create a new drawable */
405 (*psc
->dri2
->createNewDrawable
) (psc
->driScreen
,
406 config
->driConfig
, pdraw
);
408 if (!pdraw
->driDrawable
) {
409 DRI2DestroyDrawable(psc
->base
.dpy
, xDrawable
);
414 if (__glxHashInsert(pdp
->dri2Hash
, xDrawable
, pdraw
)) {
415 (*psc
->core
->destroyDrawable
) (pdraw
->driDrawable
);
416 DRI2DestroyDrawable(psc
->base
.dpy
, xDrawable
);
422 * Make sure server has the same swap interval we do for the new
425 if (psc
->vtable
.setSwapInterval
)
426 psc
->vtable
.setSwapInterval(&pdraw
->base
, pdraw
->swap_interval
);
432 dri2DrawableGetMSC(struct glx_screen
*psc
, __GLXDRIdrawable
*pdraw
,
433 int64_t *ust
, int64_t *msc
, int64_t *sbc
)
435 xcb_connection_t
*c
= XGetXCBConnection(pdraw
->psc
->dpy
);
436 xcb_dri2_get_msc_cookie_t get_msc_cookie
;
437 xcb_dri2_get_msc_reply_t
*get_msc_reply
;
439 get_msc_cookie
= xcb_dri2_get_msc_unchecked(c
, pdraw
->xDrawable
);
440 get_msc_reply
= xcb_dri2_get_msc_reply(c
, get_msc_cookie
, NULL
);
445 *ust
= merge_counter(get_msc_reply
->ust_hi
, get_msc_reply
->ust_lo
);
446 *msc
= merge_counter(get_msc_reply
->msc_hi
, get_msc_reply
->msc_lo
);
447 *sbc
= merge_counter(get_msc_reply
->sbc_hi
, get_msc_reply
->sbc_lo
);
454 dri2WaitForMSC(__GLXDRIdrawable
*pdraw
, int64_t target_msc
, int64_t divisor
,
455 int64_t remainder
, int64_t *ust
, int64_t *msc
, int64_t *sbc
)
457 xcb_connection_t
*c
= XGetXCBConnection(pdraw
->psc
->dpy
);
458 xcb_dri2_wait_msc_cookie_t wait_msc_cookie
;
459 xcb_dri2_wait_msc_reply_t
*wait_msc_reply
;
460 uint32_t target_msc_hi
, target_msc_lo
;
461 uint32_t divisor_hi
, divisor_lo
;
462 uint32_t remainder_hi
, remainder_lo
;
464 split_counter(target_msc
, &target_msc_hi
, &target_msc_lo
);
465 split_counter(divisor
, &divisor_hi
, &divisor_lo
);
466 split_counter(remainder
, &remainder_hi
, &remainder_lo
);
468 wait_msc_cookie
= xcb_dri2_wait_msc_unchecked(c
, pdraw
->xDrawable
,
469 target_msc_hi
, target_msc_lo
,
470 divisor_hi
, divisor_lo
,
471 remainder_hi
, remainder_lo
);
472 wait_msc_reply
= xcb_dri2_wait_msc_reply(c
, wait_msc_cookie
, NULL
);
477 *ust
= merge_counter(wait_msc_reply
->ust_hi
, wait_msc_reply
->ust_lo
);
478 *msc
= merge_counter(wait_msc_reply
->msc_hi
, wait_msc_reply
->msc_lo
);
479 *sbc
= merge_counter(wait_msc_reply
->sbc_hi
, wait_msc_reply
->sbc_lo
);
480 free(wait_msc_reply
);
486 dri2WaitForSBC(__GLXDRIdrawable
*pdraw
, int64_t target_sbc
, int64_t *ust
,
487 int64_t *msc
, int64_t *sbc
)
489 xcb_connection_t
*c
= XGetXCBConnection(pdraw
->psc
->dpy
);
490 xcb_dri2_wait_sbc_cookie_t wait_sbc_cookie
;
491 xcb_dri2_wait_sbc_reply_t
*wait_sbc_reply
;
492 uint32_t target_sbc_hi
, target_sbc_lo
;
494 split_counter(target_sbc
, &target_sbc_hi
, &target_sbc_lo
);
496 wait_sbc_cookie
= xcb_dri2_wait_sbc_unchecked(c
, pdraw
->xDrawable
,
497 target_sbc_hi
, target_sbc_lo
);
498 wait_sbc_reply
= xcb_dri2_wait_sbc_reply(c
, wait_sbc_cookie
, NULL
);
503 *ust
= merge_counter(wait_sbc_reply
->ust_hi
, wait_sbc_reply
->ust_lo
);
504 *msc
= merge_counter(wait_sbc_reply
->msc_hi
, wait_sbc_reply
->msc_lo
);
505 *sbc
= merge_counter(wait_sbc_reply
->sbc_hi
, wait_sbc_reply
->sbc_lo
);
506 free(wait_sbc_reply
);
511 static __DRIcontext
*
512 dri2GetCurrentContext()
514 struct glx_context
*gc
= __glXGetCurrentContext();
515 struct dri2_context
*dri2Ctx
= (struct dri2_context
*)gc
;
517 return (gc
!= &dummyContext
) ? dri2Ctx
->driContext
: NULL
;
521 * dri2Throttle - Request driver throttling
523 * This function uses the DRI2 throttle extension to give the
524 * driver the opportunity to throttle on flush front, copysubbuffer
528 dri2Throttle(struct dri2_screen
*psc
,
529 struct dri2_drawable
*draw
,
530 enum __DRI2throttleReason reason
)
533 __DRIcontext
*ctx
= dri2GetCurrentContext();
535 psc
->throttle
->throttle(ctx
, draw
->driDrawable
, reason
);
540 * Asks the driver to flush any queued work necessary for serializing with the
541 * X command stream, and optionally the slightly more strict requirement of
542 * glFlush() equivalence (which would require flushing even if nothing had
543 * been drawn to a window system framebuffer, for example).
546 dri2Flush(struct dri2_screen
*psc
,
548 struct dri2_drawable
*draw
,
550 enum __DRI2throttleReason throttle_reason
)
552 if (ctx
&& psc
->f
&& psc
->f
->base
.version
>= 4) {
553 psc
->f
->flush_with_flags(ctx
, draw
->driDrawable
, flags
, throttle_reason
);
555 if (flags
& __DRI2_FLUSH_CONTEXT
)
559 psc
->f
->flush(draw
->driDrawable
);
561 dri2Throttle(psc
, draw
, throttle_reason
);
566 __dri2CopySubBuffer(__GLXDRIdrawable
*pdraw
, int x
, int y
,
567 int width
, int height
,
568 enum __DRI2throttleReason reason
, Bool flush
)
570 struct dri2_drawable
*priv
= (struct dri2_drawable
*) pdraw
;
571 struct dri2_screen
*psc
= (struct dri2_screen
*) pdraw
->psc
;
573 XserverRegion region
;
574 __DRIcontext
*ctx
= dri2GetCurrentContext();
577 /* Check we have the right attachments */
578 if (!priv
->have_back
)
582 xrect
.y
= priv
->height
- y
- height
;
584 xrect
.height
= height
;
586 flags
= __DRI2_FLUSH_DRAWABLE
;
588 flags
|= __DRI2_FLUSH_CONTEXT
;
589 dri2Flush(psc
, ctx
, priv
, flags
, __DRI2_THROTTLE_SWAPBUFFER
);
591 region
= XFixesCreateRegion(psc
->base
.dpy
, &xrect
, 1);
592 DRI2CopyRegion(psc
->base
.dpy
, pdraw
->xDrawable
, region
,
593 DRI2BufferFrontLeft
, DRI2BufferBackLeft
);
595 /* Refresh the fake front (if present) after we just damaged the real
598 if (priv
->have_fake_front
)
599 DRI2CopyRegion(psc
->base
.dpy
, pdraw
->xDrawable
, region
,
600 DRI2BufferFakeFrontLeft
, DRI2BufferFrontLeft
);
602 XFixesDestroyRegion(psc
->base
.dpy
, region
);
606 dri2CopySubBuffer(__GLXDRIdrawable
*pdraw
, int x
, int y
,
607 int width
, int height
, Bool flush
)
609 __dri2CopySubBuffer(pdraw
, x
, y
, width
, height
,
610 __DRI2_THROTTLE_COPYSUBBUFFER
, flush
);
615 dri2_copy_drawable(struct dri2_drawable
*priv
, int dest
, int src
)
618 XserverRegion region
;
619 struct dri2_screen
*psc
= (struct dri2_screen
*) priv
->base
.psc
;
623 xrect
.width
= priv
->width
;
624 xrect
.height
= priv
->height
;
627 (*psc
->f
->flush
) (priv
->driDrawable
);
629 region
= XFixesCreateRegion(psc
->base
.dpy
, &xrect
, 1);
630 DRI2CopyRegion(psc
->base
.dpy
, priv
->base
.xDrawable
, region
, dest
, src
);
631 XFixesDestroyRegion(psc
->base
.dpy
, region
);
636 dri2_wait_x(struct glx_context
*gc
)
638 struct dri2_drawable
*priv
= (struct dri2_drawable
*)
639 GetGLXDRIDrawable(gc
->currentDpy
, gc
->currentDrawable
);
641 if (priv
== NULL
|| !priv
->have_fake_front
)
644 dri2_copy_drawable(priv
, DRI2BufferFakeFrontLeft
, DRI2BufferFrontLeft
);
648 dri2_wait_gl(struct glx_context
*gc
)
650 struct dri2_drawable
*priv
= (struct dri2_drawable
*)
651 GetGLXDRIDrawable(gc
->currentDpy
, gc
->currentDrawable
);
653 if (priv
== NULL
|| !priv
->have_fake_front
)
656 dri2_copy_drawable(priv
, DRI2BufferFrontLeft
, DRI2BufferFakeFrontLeft
);
660 * Called by the driver when it needs to update the real front buffer with the
661 * contents of its fake front buffer.
664 dri2FlushFrontBuffer(__DRIdrawable
*driDrawable
, void *loaderPrivate
)
666 struct glx_display
*priv
;
667 struct dri2_display
*pdp
;
668 struct glx_context
*gc
;
669 struct dri2_drawable
*pdraw
= loaderPrivate
;
670 struct dri2_screen
*psc
;
675 if (!pdraw
->base
.psc
)
678 psc
= (struct dri2_screen
*) pdraw
->base
.psc
;
680 priv
= __glXInitialize(psc
->base
.dpy
);
685 pdp
= (struct dri2_display
*) priv
->dri2Display
;
686 gc
= __glXGetCurrentContext();
688 dri2Throttle(psc
, pdraw
, __DRI2_THROTTLE_FLUSHFRONT
);
690 /* Old servers don't send invalidate events */
691 if (!pdp
->invalidateAvailable
)
692 dri2InvalidateBuffers(priv
->dpy
, pdraw
->base
.xDrawable
);
699 dri2DestroyScreen(struct glx_screen
*base
)
701 struct dri2_screen
*psc
= (struct dri2_screen
*) base
;
703 /* Free the direct rendering per screen data */
704 (*psc
->core
->destroyScreen
) (psc
->driScreen
);
705 driDestroyConfigs(psc
->driver_configs
);
711 * Process list of buffer received from the server
713 * Processes the list of buffers received in a reply from the server to either
714 * \c DRI2GetBuffers or \c DRI2GetBuffersWithFormat.
717 process_buffers(struct dri2_drawable
* pdraw
, DRI2Buffer
* buffers
,
722 pdraw
->bufferCount
= count
;
723 pdraw
->have_fake_front
= 0;
724 pdraw
->have_back
= 0;
726 /* This assumes the DRI2 buffer attachment tokens matches the
727 * __DRIbuffer tokens. */
728 for (i
= 0; i
< count
; i
++) {
729 pdraw
->buffers
[i
].attachment
= buffers
[i
].attachment
;
730 pdraw
->buffers
[i
].name
= buffers
[i
].name
;
731 pdraw
->buffers
[i
].pitch
= buffers
[i
].pitch
;
732 pdraw
->buffers
[i
].cpp
= buffers
[i
].cpp
;
733 pdraw
->buffers
[i
].flags
= buffers
[i
].flags
;
734 if (pdraw
->buffers
[i
].attachment
== __DRI_BUFFER_FAKE_FRONT_LEFT
)
735 pdraw
->have_fake_front
= 1;
736 if (pdraw
->buffers
[i
].attachment
== __DRI_BUFFER_BACK_LEFT
)
737 pdraw
->have_back
= 1;
742 unsigned dri2GetSwapEventType(Display
* dpy
, XID drawable
)
744 struct glx_display
*glx_dpy
= __glXInitialize(dpy
);
745 __GLXDRIdrawable
*pdraw
;
746 pdraw
= dri2GetGlxDrawableFromXDrawableId(dpy
, drawable
);
747 if (!pdraw
|| !(pdraw
->eventMask
& GLX_BUFFER_SWAP_COMPLETE_INTEL_MASK
))
749 return glx_dpy
->codes
->first_event
+ GLX_BufferSwapComplete
;
752 static void show_fps(struct dri2_drawable
*draw
)
755 ((struct dri2_screen
*) draw
->base
.psc
)->show_fps_interval
;
757 uint64_t current_time
;
759 gettimeofday(&tv
, 0);
760 current_time
= (uint64_t)tv
.tv_sec
*1000000 + (uint64_t)tv
.tv_usec
;
764 if (draw
->previous_time
+ interval
* 1000000 <= current_time
) {
765 if (draw
->previous_time
) {
766 fprintf(stderr
, "libGL: FPS = %.1f\n",
767 ((uint64_t)draw
->frames
* 1000000) /
768 (double)(current_time
- draw
->previous_time
));
771 draw
->previous_time
= current_time
;
776 dri2XcbSwapBuffers(Display
*dpy
,
777 __GLXDRIdrawable
*pdraw
,
782 xcb_dri2_swap_buffers_cookie_t swap_buffers_cookie
;
783 xcb_dri2_swap_buffers_reply_t
*swap_buffers_reply
;
784 uint32_t target_msc_hi
, target_msc_lo
;
785 uint32_t divisor_hi
, divisor_lo
;
786 uint32_t remainder_hi
, remainder_lo
;
788 xcb_connection_t
*c
= XGetXCBConnection(dpy
);
790 split_counter(target_msc
, &target_msc_hi
, &target_msc_lo
);
791 split_counter(divisor
, &divisor_hi
, &divisor_lo
);
792 split_counter(remainder
, &remainder_hi
, &remainder_lo
);
794 swap_buffers_cookie
=
795 xcb_dri2_swap_buffers_unchecked(c
, pdraw
->xDrawable
,
796 target_msc_hi
, target_msc_lo
,
797 divisor_hi
, divisor_lo
,
798 remainder_hi
, remainder_lo
);
800 /* Immediately wait on the swapbuffers reply. If we didn't, we'd have
801 * to do so some time before reusing a (non-pageflipped) backbuffer.
802 * Otherwise, the new rendering could get ahead of the X Server's
803 * dispatch of the swapbuffer and you'd display garbage.
805 * We use XSync() first to reap the invalidate events through the event
806 * filter, to ensure that the next drawing doesn't use an invalidated
812 xcb_dri2_swap_buffers_reply(c
, swap_buffers_cookie
, NULL
);
813 if (swap_buffers_reply
) {
814 ret
= merge_counter(swap_buffers_reply
->swap_hi
,
815 swap_buffers_reply
->swap_lo
);
816 free(swap_buffers_reply
);
822 dri2SwapBuffers(__GLXDRIdrawable
*pdraw
, int64_t target_msc
, int64_t divisor
,
823 int64_t remainder
, Bool flush
)
825 struct dri2_drawable
*priv
= (struct dri2_drawable
*) pdraw
;
826 struct glx_display
*dpyPriv
= __glXInitialize(priv
->base
.psc
->dpy
);
827 struct dri2_screen
*psc
= (struct dri2_screen
*) priv
->base
.psc
;
828 struct dri2_display
*pdp
=
829 (struct dri2_display
*)dpyPriv
->dri2Display
;
832 /* Check we have the right attachments */
833 if (!priv
->have_back
)
836 /* Old servers can't handle swapbuffers */
837 if (!pdp
->swapAvailable
) {
838 __dri2CopySubBuffer(pdraw
, 0, 0, priv
->width
, priv
->height
,
839 __DRI2_THROTTLE_SWAPBUFFER
, flush
);
841 __DRIcontext
*ctx
= dri2GetCurrentContext();
842 unsigned flags
= __DRI2_FLUSH_DRAWABLE
;
844 flags
|= __DRI2_FLUSH_CONTEXT
;
845 dri2Flush(psc
, ctx
, priv
, flags
, __DRI2_THROTTLE_SWAPBUFFER
);
847 ret
= dri2XcbSwapBuffers(pdraw
->psc
->dpy
, pdraw
,
848 target_msc
, divisor
, remainder
);
851 if (psc
->show_fps_interval
) {
855 /* Old servers don't send invalidate events */
856 if (!pdp
->invalidateAvailable
)
857 dri2InvalidateBuffers(dpyPriv
->dpy
, pdraw
->xDrawable
);
863 dri2GetBuffers(__DRIdrawable
* driDrawable
,
864 int *width
, int *height
,
865 unsigned int *attachments
, int count
,
866 int *out_count
, void *loaderPrivate
)
868 struct dri2_drawable
*pdraw
= loaderPrivate
;
871 buffers
= DRI2GetBuffers(pdraw
->base
.psc
->dpy
, pdraw
->base
.xDrawable
,
872 width
, height
, attachments
, count
, out_count
);
876 pdraw
->width
= *width
;
877 pdraw
->height
= *height
;
878 process_buffers(pdraw
, buffers
, *out_count
);
882 return pdraw
->buffers
;
886 dri2GetBuffersWithFormat(__DRIdrawable
* driDrawable
,
887 int *width
, int *height
,
888 unsigned int *attachments
, int count
,
889 int *out_count
, void *loaderPrivate
)
891 struct dri2_drawable
*pdraw
= loaderPrivate
;
894 buffers
= DRI2GetBuffersWithFormat(pdraw
->base
.psc
->dpy
,
895 pdraw
->base
.xDrawable
,
896 width
, height
, attachments
,
901 pdraw
->width
= *width
;
902 pdraw
->height
= *height
;
903 process_buffers(pdraw
, buffers
, *out_count
);
907 return pdraw
->buffers
;
911 dri2SetSwapInterval(__GLXDRIdrawable
*pdraw
, int interval
)
913 xcb_connection_t
*c
= XGetXCBConnection(pdraw
->psc
->dpy
);
914 struct dri2_drawable
*priv
= (struct dri2_drawable
*) pdraw
;
915 GLint vblank_mode
= DRI_CONF_VBLANK_DEF_INTERVAL_1
;
916 struct dri2_screen
*psc
= (struct dri2_screen
*) priv
->base
.psc
;
919 psc
->config
->configQueryi(psc
->driScreen
,
920 "vblank_mode", &vblank_mode
);
922 switch (vblank_mode
) {
923 case DRI_CONF_VBLANK_NEVER
:
925 return GLX_BAD_VALUE
;
927 case DRI_CONF_VBLANK_ALWAYS_SYNC
:
929 return GLX_BAD_VALUE
;
935 xcb_dri2_swap_interval(c
, priv
->base
.xDrawable
, interval
);
936 priv
->swap_interval
= interval
;
942 dri2GetSwapInterval(__GLXDRIdrawable
*pdraw
)
944 struct dri2_drawable
*priv
= (struct dri2_drawable
*) pdraw
;
946 return priv
->swap_interval
;
950 driSetBackgroundContext(void *loaderPrivate
)
952 struct dri2_context
*pcp
= (struct dri2_context
*) loaderPrivate
;
953 __glXSetCurrentContext(&pcp
->base
);
957 driIsThreadSafe(void *loaderPrivate
)
959 struct dri2_context
*pcp
= (struct dri2_context
*) loaderPrivate
;
960 /* Check Xlib is running in thread safe mode
962 * 'lock_fns' is the XLockDisplay function pointer of the X11 display 'dpy'.
963 * It wll be NULL if XInitThreads wasn't called.
965 return pcp
->base
.psc
->dpy
->lock_fns
!= NULL
;
968 static const __DRIdri2LoaderExtension dri2LoaderExtension
= {
969 .base
= { __DRI_DRI2_LOADER
, 3 },
971 .getBuffers
= dri2GetBuffers
,
972 .flushFrontBuffer
= dri2FlushFrontBuffer
,
973 .getBuffersWithFormat
= dri2GetBuffersWithFormat
,
976 static const __DRIdri2LoaderExtension dri2LoaderExtension_old
= {
977 .base
= { __DRI_DRI2_LOADER
, 3 },
979 .getBuffers
= dri2GetBuffers
,
980 .flushFrontBuffer
= dri2FlushFrontBuffer
,
981 .getBuffersWithFormat
= NULL
,
984 static const __DRIuseInvalidateExtension dri2UseInvalidate
= {
985 .base
= { __DRI_USE_INVALIDATE
, 1 }
988 static const __DRIbackgroundCallableExtension driBackgroundCallable
= {
989 .base
= { __DRI_BACKGROUND_CALLABLE
, 2 },
991 .setBackgroundContext
= driSetBackgroundContext
,
992 .isThreadSafe
= driIsThreadSafe
,
996 dri2InvalidateBuffers(Display
*dpy
, XID drawable
)
998 __GLXDRIdrawable
*pdraw
=
999 dri2GetGlxDrawableFromXDrawableId(dpy
, drawable
);
1000 struct dri2_screen
*psc
;
1001 struct dri2_drawable
*pdp
= (struct dri2_drawable
*) pdraw
;
1006 psc
= (struct dri2_screen
*) pdraw
->psc
;
1008 if (pdraw
&& psc
->f
&& psc
->f
->base
.version
>= 3 && psc
->f
->invalidate
)
1009 psc
->f
->invalidate(pdp
->driDrawable
);
1013 dri2_bind_tex_image(Display
* dpy
,
1014 GLXDrawable drawable
,
1015 int buffer
, const int *attrib_list
)
1017 struct glx_context
*gc
= __glXGetCurrentContext();
1018 struct dri2_context
*pcp
= (struct dri2_context
*) gc
;
1019 __GLXDRIdrawable
*base
= GetGLXDRIDrawable(dpy
, drawable
);
1020 struct glx_display
*dpyPriv
= __glXInitialize(dpy
);
1021 struct dri2_drawable
*pdraw
= (struct dri2_drawable
*) base
;
1022 struct dri2_display
*pdp
;
1023 struct dri2_screen
*psc
;
1025 if (dpyPriv
== NULL
)
1028 pdp
= (struct dri2_display
*) dpyPriv
->dri2Display
;
1030 if (pdraw
!= NULL
) {
1031 psc
= (struct dri2_screen
*) base
->psc
;
1033 if (!pdp
->invalidateAvailable
&& psc
->f
&&
1034 psc
->f
->base
.version
>= 3 && psc
->f
->invalidate
)
1035 psc
->f
->invalidate(pdraw
->driDrawable
);
1037 if (psc
->texBuffer
->base
.version
>= 2 &&
1038 psc
->texBuffer
->setTexBuffer2
!= NULL
) {
1039 (*psc
->texBuffer
->setTexBuffer2
) (pcp
->driContext
,
1040 pdraw
->base
.textureTarget
,
1041 pdraw
->base
.textureFormat
,
1042 pdraw
->driDrawable
);
1045 (*psc
->texBuffer
->setTexBuffer
) (pcp
->driContext
,
1046 pdraw
->base
.textureTarget
,
1047 pdraw
->driDrawable
);
1053 dri2_release_tex_image(Display
* dpy
, GLXDrawable drawable
, int buffer
)
1055 struct glx_context
*gc
= __glXGetCurrentContext();
1056 struct dri2_context
*pcp
= (struct dri2_context
*) gc
;
1057 __GLXDRIdrawable
*base
= GetGLXDRIDrawable(dpy
, drawable
);
1058 struct glx_display
*dpyPriv
= __glXInitialize(dpy
);
1059 struct dri2_drawable
*pdraw
= (struct dri2_drawable
*) base
;
1060 struct dri2_screen
*psc
;
1062 if (dpyPriv
!= NULL
&& pdraw
!= NULL
) {
1063 psc
= (struct dri2_screen
*) base
->psc
;
1065 if (psc
->texBuffer
->base
.version
>= 3 &&
1066 psc
->texBuffer
->releaseTexBuffer
!= NULL
) {
1067 (*psc
->texBuffer
->releaseTexBuffer
) (pcp
->driContext
,
1068 pdraw
->base
.textureTarget
,
1069 pdraw
->driDrawable
);
1074 static const struct glx_context_vtable dri2_context_vtable
= {
1075 .destroy
= dri2_destroy_context
,
1076 .bind
= dri2_bind_context
,
1077 .unbind
= dri2_unbind_context
,
1078 .wait_gl
= dri2_wait_gl
,
1079 .wait_x
= dri2_wait_x
,
1080 .use_x_font
= DRI_glXUseXFont
,
1081 .bind_tex_image
= dri2_bind_tex_image
,
1082 .release_tex_image
= dri2_release_tex_image
,
1083 .get_proc_address
= NULL
,
1084 .interop_query_device_info
= dri2_interop_query_device_info
,
1085 .interop_export_object
= dri2_interop_export_object
1089 dri2BindExtensions(struct dri2_screen
*psc
, struct glx_display
* priv
,
1090 const char *driverName
)
1092 const struct dri2_display
*const pdp
= (struct dri2_display
*)
1094 const __DRIextension
**extensions
;
1097 extensions
= psc
->core
->getExtensions(psc
->driScreen
);
1099 __glXEnableDirectExtension(&psc
->base
, "GLX_SGI_video_sync");
1100 __glXEnableDirectExtension(&psc
->base
, "GLX_SGI_swap_control");
1101 __glXEnableDirectExtension(&psc
->base
, "GLX_MESA_swap_control");
1102 __glXEnableDirectExtension(&psc
->base
, "GLX_SGI_make_current_read");
1105 * GLX_INTEL_swap_event is broken on the server side, where it's
1106 * currently unconditionally enabled. This completely breaks
1107 * systems running on drivers which don't support that extension.
1108 * There's no way to test for its presence on this side, so instead
1109 * of disabling it unconditionally, just disable it for drivers
1110 * which are known to not support it, or for DDX drivers supporting
1111 * only an older (pre-ScheduleSwap) version of DRI2.
1113 * This is a hack which is required until:
1114 * http://lists.x.org/archives/xorg-devel/2013-February/035449.html
1115 * is merged and updated xserver makes it's way into distros:
1117 if (pdp
->swapAvailable
&& strcmp(driverName
, "vmwgfx") != 0) {
1118 __glXEnableDirectExtension(&psc
->base
, "GLX_INTEL_swap_event");
1121 if (psc
->dri2
->base
.version
>= 3) {
1122 const unsigned mask
= psc
->dri2
->getAPIMask(psc
->driScreen
);
1124 __glXEnableDirectExtension(&psc
->base
, "GLX_ARB_create_context");
1125 __glXEnableDirectExtension(&psc
->base
, "GLX_ARB_create_context_profile");
1127 if ((mask
& ((1 << __DRI_API_GLES
) |
1128 (1 << __DRI_API_GLES2
) |
1129 (1 << __DRI_API_GLES3
))) != 0) {
1130 __glXEnableDirectExtension(&psc
->base
,
1131 "GLX_EXT_create_context_es_profile");
1132 __glXEnableDirectExtension(&psc
->base
,
1133 "GLX_EXT_create_context_es2_profile");
1137 for (i
= 0; extensions
[i
]; i
++) {
1138 if ((strcmp(extensions
[i
]->name
, __DRI_TEX_BUFFER
) == 0)) {
1139 psc
->texBuffer
= (__DRItexBufferExtension
*) extensions
[i
];
1140 __glXEnableDirectExtension(&psc
->base
, "GLX_EXT_texture_from_pixmap");
1143 if ((strcmp(extensions
[i
]->name
, __DRI2_FLUSH
) == 0)) {
1144 psc
->f
= (__DRI2flushExtension
*) extensions
[i
];
1145 /* internal driver extension, no GL extension exposed */
1148 if ((strcmp(extensions
[i
]->name
, __DRI2_CONFIG_QUERY
) == 0))
1149 psc
->config
= (__DRI2configQueryExtension
*) extensions
[i
];
1151 if (((strcmp(extensions
[i
]->name
, __DRI2_THROTTLE
) == 0)))
1152 psc
->throttle
= (__DRI2throttleExtension
*) extensions
[i
];
1154 /* DRI2 version 3 is also required because
1155 * GLX_ARB_create_context_robustness requires GLX_ARB_create_context.
1157 if (psc
->dri2
->base
.version
>= 3
1158 && strcmp(extensions
[i
]->name
, __DRI2_ROBUSTNESS
) == 0)
1159 __glXEnableDirectExtension(&psc
->base
,
1160 "GLX_ARB_create_context_robustness");
1162 /* DRI2 version 3 is also required because GLX_MESA_query_renderer
1163 * requires GLX_ARB_create_context_profile.
1165 if (psc
->dri2
->base
.version
>= 3
1166 && strcmp(extensions
[i
]->name
, __DRI2_RENDERER_QUERY
) == 0) {
1167 psc
->rendererQuery
= (__DRI2rendererQueryExtension
*) extensions
[i
];
1168 __glXEnableDirectExtension(&psc
->base
, "GLX_MESA_query_renderer");
1171 if (strcmp(extensions
[i
]->name
, __DRI2_INTEROP
) == 0)
1172 psc
->interop
= (__DRI2interopExtension
*)extensions
[i
];
1176 static const struct glx_screen_vtable dri2_screen_vtable
= {
1177 .create_context
= dri2_create_context
,
1178 .create_context_attribs
= dri2_create_context_attribs
,
1179 .query_renderer_integer
= dri2_query_renderer_integer
,
1180 .query_renderer_string
= dri2_query_renderer_string
,
1183 static struct glx_screen
*
1184 dri2CreateScreen(int screen
, struct glx_display
* priv
)
1186 const __DRIconfig
**driver_configs
;
1187 const __DRIextension
**extensions
;
1188 const struct dri2_display
*const pdp
= (struct dri2_display
*)
1190 struct dri2_screen
*psc
;
1191 __GLXDRIscreen
*psp
;
1192 struct glx_config
*configs
= NULL
, *visuals
= NULL
;
1193 char *driverName
= NULL
, *loader_driverName
, *deviceName
, *tmp
;
1197 psc
= calloc(1, sizeof *psc
);
1203 if (!glx_screen_init(&psc
->base
, screen
, priv
)) {
1208 if (!DRI2Connect(priv
->dpy
, RootWindow(priv
->dpy
, screen
),
1209 &driverName
, &deviceName
)) {
1210 glx_screen_cleanup(&psc
->base
);
1212 InfoMessageF("screen %d does not appear to be DRI2 capable\n", screen
);
1216 psc
->fd
= loader_open_device(deviceName
);
1218 ErrorMessageF("failed to open drm device: %s\n", strerror(errno
));
1222 if (drmGetMagic(psc
->fd
, &magic
)) {
1223 ErrorMessageF("failed to get magic\n");
1227 if (!DRI2Authenticate(priv
->dpy
, RootWindow(priv
->dpy
, screen
), magic
)) {
1228 ErrorMessageF("failed to authenticate magic %d\n", magic
);
1232 /* If Mesa knows about the appropriate driver for this fd, then trust it.
1233 * Otherwise, default to the server's value.
1235 loader_driverName
= loader_get_driver_for_fd(psc
->fd
);
1236 if (loader_driverName
) {
1238 driverName
= loader_driverName
;
1241 psc
->driver
= driOpenDriver(driverName
);
1242 if (psc
->driver
== NULL
) {
1243 ErrorMessageF("driver pointer missing\n");
1247 extensions
= driGetDriverExtensions(psc
->driver
, driverName
);
1248 if (extensions
== NULL
)
1251 for (i
= 0; extensions
[i
]; i
++) {
1252 if (strcmp(extensions
[i
]->name
, __DRI_CORE
) == 0)
1253 psc
->core
= (__DRIcoreExtension
*) extensions
[i
];
1254 if (strcmp(extensions
[i
]->name
, __DRI_DRI2
) == 0)
1255 psc
->dri2
= (__DRIdri2Extension
*) extensions
[i
];
1258 if (psc
->core
== NULL
|| psc
->dri2
== NULL
) {
1259 ErrorMessageF("core dri or dri2 extension not found\n");
1263 if (psc
->dri2
->base
.version
>= 4) {
1265 psc
->dri2
->createNewScreen2(screen
, psc
->fd
,
1266 (const __DRIextension
**)
1267 &pdp
->loader_extensions
[0],
1269 &driver_configs
, psc
);
1272 psc
->dri2
->createNewScreen(screen
, psc
->fd
,
1273 (const __DRIextension
**)
1274 &pdp
->loader_extensions
[0],
1275 &driver_configs
, psc
);
1278 if (psc
->driScreen
== NULL
) {
1279 ErrorMessageF("failed to create dri screen\n");
1283 dri2BindExtensions(psc
, priv
, driverName
);
1285 configs
= driConvertConfigs(psc
->core
, psc
->base
.configs
, driver_configs
);
1286 visuals
= driConvertConfigs(psc
->core
, psc
->base
.visuals
, driver_configs
);
1288 if (!configs
|| !visuals
) {
1289 ErrorMessageF("No matching fbConfigs or visuals found\n");
1293 glx_config_destroy_list(psc
->base
.configs
);
1294 psc
->base
.configs
= configs
;
1295 glx_config_destroy_list(psc
->base
.visuals
);
1296 psc
->base
.visuals
= visuals
;
1298 psc
->driver_configs
= driver_configs
;
1300 psc
->base
.vtable
= &dri2_screen_vtable
;
1302 psc
->base
.driScreen
= psp
;
1303 psp
->destroyScreen
= dri2DestroyScreen
;
1304 psp
->createDrawable
= dri2CreateDrawable
;
1305 psp
->swapBuffers
= dri2SwapBuffers
;
1306 psp
->getDrawableMSC
= NULL
;
1307 psp
->waitForMSC
= NULL
;
1308 psp
->waitForSBC
= NULL
;
1309 psp
->setSwapInterval
= NULL
;
1310 psp
->getSwapInterval
= NULL
;
1311 psp
->getBufferAge
= NULL
;
1313 if (pdp
->driMinor
>= 2) {
1314 unsigned char disable
;
1316 psp
->getDrawableMSC
= dri2DrawableGetMSC
;
1317 psp
->waitForMSC
= dri2WaitForMSC
;
1318 psp
->waitForSBC
= dri2WaitForSBC
;
1319 psp
->setSwapInterval
= dri2SetSwapInterval
;
1320 psp
->getSwapInterval
= dri2GetSwapInterval
;
1321 if (psc
->config
->configQueryb(psc
->driScreen
,
1322 "glx_disable_oml_sync_control",
1323 &disable
) || !disable
)
1324 __glXEnableDirectExtension(&psc
->base
, "GLX_OML_sync_control");
1327 /* DRI2 supports SubBuffer through DRI2CopyRegion, so it's always
1329 psp
->copySubBuffer
= dri2CopySubBuffer
;
1330 __glXEnableDirectExtension(&psc
->base
, "GLX_MESA_copy_sub_buffer");
1335 tmp
= getenv("LIBGL_SHOW_FPS");
1336 psc
->show_fps_interval
= (tmp
) ? atoi(tmp
) : 0;
1337 if (psc
->show_fps_interval
< 0)
1338 psc
->show_fps_interval
= 0;
1340 InfoMessageF("Using DRI2 for screen %d\n", screen
);
1345 CriticalErrorMessageF("failed to load driver: %s\n", driverName
);
1348 glx_config_destroy_list(configs
);
1350 glx_config_destroy_list(visuals
);
1352 psc
->core
->destroyScreen(psc
->driScreen
);
1353 psc
->driScreen
= NULL
;
1357 dlclose(psc
->driver
);
1361 glx_screen_cleanup(&psc
->base
);
1367 /* Called from __glXFreeDisplayPrivate.
1370 dri2DestroyDisplay(__GLXDRIdisplay
* dpy
)
1372 struct dri2_display
*pdp
= (struct dri2_display
*) dpy
;
1374 __glxHashDestroy(pdp
->dri2Hash
);
1378 _X_HIDDEN __GLXDRIdrawable
*
1379 dri2GetGlxDrawableFromXDrawableId(Display
*dpy
, XID id
)
1381 struct glx_display
*d
= __glXInitialize(dpy
);
1382 struct dri2_display
*pdp
= (struct dri2_display
*) d
->dri2Display
;
1383 __GLXDRIdrawable
*pdraw
;
1385 if (__glxHashLookup(pdp
->dri2Hash
, id
, (void *) &pdraw
) == 0)
1392 * Allocate, initialize and return a __DRIdisplayPrivate object.
1393 * This is called from __glXInitialize() when we are given a new
1396 _X_HIDDEN __GLXDRIdisplay
*
1397 dri2CreateDisplay(Display
* dpy
)
1399 struct dri2_display
*pdp
;
1400 int eventBase
, errorBase
, i
;
1402 if (!DRI2QueryExtension(dpy
, &eventBase
, &errorBase
))
1405 pdp
= malloc(sizeof *pdp
);
1409 if (!DRI2QueryVersion(dpy
, &pdp
->driMajor
, &pdp
->driMinor
)) {
1415 pdp
->swapAvailable
= (pdp
->driMinor
>= 2);
1416 pdp
->invalidateAvailable
= (pdp
->driMinor
>= 3);
1418 pdp
->base
.destroyDisplay
= dri2DestroyDisplay
;
1419 pdp
->base
.createScreen
= dri2CreateScreen
;
1422 if (pdp
->driMinor
< 1)
1423 pdp
->loader_extensions
[i
++] = &dri2LoaderExtension_old
.base
;
1425 pdp
->loader_extensions
[i
++] = &dri2LoaderExtension
.base
;
1427 pdp
->loader_extensions
[i
++] = &dri2UseInvalidate
.base
;
1429 pdp
->loader_extensions
[i
++] = &driBackgroundCallable
.base
;
1431 pdp
->loader_extensions
[i
++] = NULL
;
1433 pdp
->dri2Hash
= __glxHashCreate();
1434 if (pdp
->dri2Hash
== NULL
) {
1442 #endif /* GLX_DIRECT_RENDERING */