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>
38 #include "glxclient.h"
39 #include <X11/extensions/dri2proto.h>
44 #include <sys/types.h>
48 #include "dri_common.h"
50 /* From xmlpool/options.h, user exposed so should be stable */
51 #define DRI_CONF_VBLANK_NEVER 0
52 #define DRI_CONF_VBLANK_DEF_INTERVAL_0 1
53 #define DRI_CONF_VBLANK_DEF_INTERVAL_1 2
54 #define DRI_CONF_VBLANK_ALWAYS_SYNC 3
64 ** XFree86-DRI version information
70 int invalidateAvailable
;
72 __glxHashTable
*dri2Hash
;
74 const __DRIextension
*loader_extensions
[4];
78 struct glx_screen base
;
80 __DRIscreen
*driScreen
;
81 __GLXDRIscreen vtable
;
82 const __DRIdri2Extension
*dri2
;
83 const __DRIcoreExtension
*core
;
85 const __DRI2flushExtension
*f
;
86 const __DRI2configQueryExtension
*config
;
87 const __DRItexBufferExtension
*texBuffer
;
88 const __DRIconfig
**driver_configs
;
96 struct glx_context base
;
97 __DRIcontext
*driContext
;
102 __GLXDRIdrawable base
;
103 __DRIdrawable
*driDrawable
;
104 __DRIbuffer buffers
[5];
112 static const struct glx_context_vtable dri2_context_vtable
;
115 dri2_destroy_context(struct glx_context
*context
)
117 struct dri2_context
*pcp
= (struct dri2_context
*) context
;
118 struct dri2_screen
*psc
= (struct dri2_screen
*) context
->psc
;
120 driReleaseDrawables(&pcp
->base
);
123 glx_send_destroy_context(psc
->base
.dpy
, context
->xid
);
125 if (context
->extensions
)
126 XFree((char *) context
->extensions
);
128 (*psc
->core
->destroyContext
) (pcp
->driContext
);
134 dri2_bind_context(struct glx_context
*context
, struct glx_context
*old
,
135 GLXDrawable draw
, GLXDrawable read
)
137 struct dri2_context
*pcp
= (struct dri2_context
*) context
;
138 struct dri2_screen
*psc
= (struct dri2_screen
*) pcp
->base
.psc
;
139 struct dri2_drawable
*pdraw
, *pread
;
140 struct dri2_display
*pdp
;
142 pdraw
= (struct dri2_drawable
*) driFetchDrawable(context
, draw
);
143 pread
= (struct dri2_drawable
*) driFetchDrawable(context
, read
);
145 driReleaseDrawables(&pcp
->base
);
147 if (pdraw
== NULL
|| pread
== NULL
)
148 return GLXBadDrawable
;
150 if (!(*psc
->core
->bindContext
) (pcp
->driContext
,
151 pdraw
->driDrawable
, pread
->driDrawable
))
152 return GLXBadContext
;
154 /* If the server doesn't send invalidate events, we may miss a
155 * resize before the rendering starts. Invalidate the buffers now
156 * so the driver will recheck before rendering starts. */
157 pdp
= (struct dri2_display
*) psc
->base
.display
;
158 if (!pdp
->invalidateAvailable
) {
159 dri2InvalidateBuffers(psc
->base
.dpy
, pdraw
->base
.xDrawable
);
161 dri2InvalidateBuffers(psc
->base
.dpy
, pread
->base
.xDrawable
);
168 dri2_unbind_context(struct glx_context
*context
, struct glx_context
*new)
170 struct dri2_context
*pcp
= (struct dri2_context
*) context
;
171 struct dri2_screen
*psc
= (struct dri2_screen
*) pcp
->base
.psc
;
173 (*psc
->core
->unbindContext
) (pcp
->driContext
);
176 static struct glx_context
*
177 dri2_create_context(struct glx_screen
*base
,
178 struct glx_config
*config_base
,
179 struct glx_context
*shareList
, int renderType
)
181 struct dri2_context
*pcp
, *pcp_shared
;
182 struct dri2_screen
*psc
= (struct dri2_screen
*) base
;
183 __GLXDRIconfigPrivate
*config
= (__GLXDRIconfigPrivate
*) config_base
;
184 __DRIcontext
*shared
= NULL
;
187 pcp_shared
= (struct dri2_context
*) shareList
;
188 shared
= pcp_shared
->driContext
;
191 pcp
= Xmalloc(sizeof *pcp
);
195 memset(pcp
, 0, sizeof *pcp
);
196 if (!glx_context_init(&pcp
->base
, &psc
->base
, &config
->base
)) {
202 (*psc
->dri2
->createNewContext
) (psc
->driScreen
,
203 config
->driConfig
, shared
, pcp
);
205 if (pcp
->driContext
== NULL
) {
210 pcp
->base
.vtable
= &dri2_context_vtable
;
216 dri2DestroyDrawable(__GLXDRIdrawable
*base
)
218 struct dri2_screen
*psc
= (struct dri2_screen
*) base
->psc
;
219 struct dri2_drawable
*pdraw
= (struct dri2_drawable
*) base
;
220 struct glx_display
*dpyPriv
= psc
->base
.display
;
221 struct dri2_display
*pdp
= (struct dri2_display
*)dpyPriv
->dri2Display
;
223 __glxHashDelete(pdp
->dri2Hash
, pdraw
->base
.xDrawable
);
224 (*psc
->core
->destroyDrawable
) (pdraw
->driDrawable
);
226 /* If it's a GLX 1.3 drawables, we can destroy the DRI2 drawable
227 * now, as the application explicitly asked to destroy the GLX
228 * drawable. Otherwise, for legacy drawables, we let the DRI2
229 * drawable linger on the server, since there's no good way of
230 * knowing when the application is done with it. The server will
231 * destroy the DRI2 drawable when it destroys the X drawable or the
232 * client exits anyway. */
233 if (pdraw
->base
.xDrawable
!= pdraw
->base
.drawable
)
234 DRI2DestroyDrawable(psc
->base
.dpy
, pdraw
->base
.xDrawable
);
239 static __GLXDRIdrawable
*
240 dri2CreateDrawable(struct glx_screen
*base
, XID xDrawable
,
241 GLXDrawable drawable
, struct glx_config
*config_base
)
243 struct dri2_drawable
*pdraw
;
244 struct dri2_screen
*psc
= (struct dri2_screen
*) base
;
245 __GLXDRIconfigPrivate
*config
= (__GLXDRIconfigPrivate
*) config_base
;
246 struct glx_display
*dpyPriv
;
247 struct dri2_display
*pdp
;
248 GLint vblank_mode
= DRI_CONF_VBLANK_DEF_INTERVAL_1
;
250 pdraw
= Xmalloc(sizeof(*pdraw
));
254 memset(pdraw
, 0, sizeof *pdraw
);
255 pdraw
->base
.destroyDrawable
= dri2DestroyDrawable
;
256 pdraw
->base
.xDrawable
= xDrawable
;
257 pdraw
->base
.drawable
= drawable
;
258 pdraw
->base
.psc
= &psc
->base
;
259 pdraw
->bufferCount
= 0;
260 pdraw
->swap_interval
= 1; /* default may be overridden below */
261 pdraw
->have_back
= 0;
264 psc
->config
->configQueryi(psc
->driScreen
,
265 "vblank_mode", &vblank_mode
);
267 switch (vblank_mode
) {
268 case DRI_CONF_VBLANK_NEVER
:
269 case DRI_CONF_VBLANK_DEF_INTERVAL_0
:
270 pdraw
->swap_interval
= 0;
272 case DRI_CONF_VBLANK_DEF_INTERVAL_1
:
273 case DRI_CONF_VBLANK_ALWAYS_SYNC
:
275 pdraw
->swap_interval
= 1;
279 DRI2CreateDrawable(psc
->base
.dpy
, xDrawable
);
281 dpyPriv
= __glXInitialize(psc
->base
.dpy
);
282 pdp
= (struct dri2_display
*)dpyPriv
->dri2Display
;;
283 /* Create a new drawable */
285 (*psc
->dri2
->createNewDrawable
) (psc
->driScreen
,
286 config
->driConfig
, pdraw
);
288 if (!pdraw
->driDrawable
) {
289 DRI2DestroyDrawable(psc
->base
.dpy
, xDrawable
);
294 if (__glxHashInsert(pdp
->dri2Hash
, xDrawable
, pdraw
)) {
295 (*psc
->core
->destroyDrawable
) (pdraw
->driDrawable
);
296 DRI2DestroyDrawable(psc
->base
.dpy
, xDrawable
);
302 #ifdef X_DRI2SwapInterval
304 * Make sure server has the same swap interval we do for the new
307 if (pdp
->swapAvailable
)
308 DRI2SwapInterval(psc
->base
.dpy
, xDrawable
, pdraw
->swap_interval
);
317 dri2DrawableGetMSC(struct glx_screen
*psc
, __GLXDRIdrawable
*pdraw
,
318 int64_t *ust
, int64_t *msc
, int64_t *sbc
)
320 CARD64 dri2_ust
, dri2_msc
, dri2_sbc
;
323 ret
= DRI2GetMSC(psc
->dpy
, pdraw
->xDrawable
,
324 &dri2_ust
, &dri2_msc
, &dri2_sbc
);
338 dri2WaitForMSC(__GLXDRIdrawable
*pdraw
, int64_t target_msc
, int64_t divisor
,
339 int64_t remainder
, int64_t *ust
, int64_t *msc
, int64_t *sbc
)
341 CARD64 dri2_ust
, dri2_msc
, dri2_sbc
;
344 ret
= DRI2WaitMSC(pdraw
->psc
->dpy
, pdraw
->xDrawable
, target_msc
, divisor
,
345 remainder
, &dri2_ust
, &dri2_msc
, &dri2_sbc
);
354 dri2WaitForSBC(__GLXDRIdrawable
*pdraw
, int64_t target_sbc
, int64_t *ust
,
355 int64_t *msc
, int64_t *sbc
)
357 CARD64 dri2_ust
, dri2_msc
, dri2_sbc
;
360 ret
= DRI2WaitSBC(pdraw
->psc
->dpy
, pdraw
->xDrawable
,
361 target_sbc
, &dri2_ust
, &dri2_msc
, &dri2_sbc
);
369 #endif /* X_DRI2WaitMSC */
372 dri2CopySubBuffer(__GLXDRIdrawable
*pdraw
, int x
, int y
, int width
, int height
)
374 struct dri2_drawable
*priv
= (struct dri2_drawable
*) pdraw
;
375 struct dri2_screen
*psc
= (struct dri2_screen
*) pdraw
->psc
;
377 XserverRegion region
;
379 /* Check we have the right attachments */
380 if (!priv
->have_back
)
384 xrect
.y
= priv
->height
- y
- height
;
386 xrect
.height
= height
;
390 (*psc
->f
->flush
) (priv
->driDrawable
);
393 region
= XFixesCreateRegion(psc
->base
.dpy
, &xrect
, 1);
394 DRI2CopyRegion(psc
->base
.dpy
, pdraw
->xDrawable
, region
,
395 DRI2BufferFrontLeft
, DRI2BufferBackLeft
);
397 /* Refresh the fake front (if present) after we just damaged the real
400 if (priv
->have_fake_front
)
401 DRI2CopyRegion(psc
->base
.dpy
, pdraw
->xDrawable
, region
,
402 DRI2BufferFakeFrontLeft
, DRI2BufferFrontLeft
);
404 XFixesDestroyRegion(psc
->base
.dpy
, region
);
408 dri2_copy_drawable(struct dri2_drawable
*priv
, int dest
, int src
)
411 XserverRegion region
;
412 struct dri2_screen
*psc
= (struct dri2_screen
*) priv
->base
.psc
;
416 xrect
.width
= priv
->width
;
417 xrect
.height
= priv
->height
;
421 (*psc
->f
->flush
) (priv
->driDrawable
);
424 region
= XFixesCreateRegion(psc
->base
.dpy
, &xrect
, 1);
425 DRI2CopyRegion(psc
->base
.dpy
, priv
->base
.xDrawable
, region
, dest
, src
);
426 XFixesDestroyRegion(psc
->base
.dpy
, region
);
431 dri2_wait_x(struct glx_context
*gc
)
433 struct dri2_drawable
*priv
= (struct dri2_drawable
*)
434 GetGLXDRIDrawable(gc
->currentDpy
, gc
->currentDrawable
);
436 if (priv
== NULL
|| !priv
->have_fake_front
)
439 dri2_copy_drawable(priv
, DRI2BufferFakeFrontLeft
, DRI2BufferFrontLeft
);
443 dri2_wait_gl(struct glx_context
*gc
)
445 struct dri2_drawable
*priv
= (struct dri2_drawable
*)
446 GetGLXDRIDrawable(gc
->currentDpy
, gc
->currentDrawable
);
448 if (priv
== NULL
|| !priv
->have_fake_front
)
451 dri2_copy_drawable(priv
, DRI2BufferFrontLeft
, DRI2BufferFakeFrontLeft
);
455 dri2FlushFrontBuffer(__DRIdrawable
*driDrawable
, void *loaderPrivate
)
457 struct glx_display
*priv
;
458 struct dri2_display
*pdp
;
459 struct glx_context
*gc
;
460 struct dri2_drawable
*pdraw
= loaderPrivate
;
465 if (!pdraw
->base
.psc
)
468 priv
= __glXInitialize(pdraw
->base
.psc
->dpy
);
469 pdp
= (struct dri2_display
*) priv
->dri2Display
;
470 gc
= __glXGetCurrentContext();
472 /* Old servers don't send invalidate events */
473 if (!pdp
->invalidateAvailable
)
474 dri2InvalidateBuffers(priv
->dpy
, pdraw
->base
.xDrawable
);
481 dri2DestroyScreen(struct glx_screen
*base
)
483 struct dri2_screen
*psc
= (struct dri2_screen
*) base
;
485 /* Free the direct rendering per screen data */
486 (*psc
->core
->destroyScreen
) (psc
->driScreen
);
487 driDestroyConfigs(psc
->driver_configs
);
493 * Process list of buffer received from the server
495 * Processes the list of buffers received in a reply from the server to either
496 * \c DRI2GetBuffers or \c DRI2GetBuffersWithFormat.
499 process_buffers(struct dri2_drawable
* pdraw
, DRI2Buffer
* buffers
,
504 pdraw
->bufferCount
= count
;
505 pdraw
->have_fake_front
= 0;
506 pdraw
->have_back
= 0;
508 /* This assumes the DRI2 buffer attachment tokens matches the
509 * __DRIbuffer tokens. */
510 for (i
= 0; i
< count
; i
++) {
511 pdraw
->buffers
[i
].attachment
= buffers
[i
].attachment
;
512 pdraw
->buffers
[i
].name
= buffers
[i
].name
;
513 pdraw
->buffers
[i
].pitch
= buffers
[i
].pitch
;
514 pdraw
->buffers
[i
].cpp
= buffers
[i
].cpp
;
515 pdraw
->buffers
[i
].flags
= buffers
[i
].flags
;
516 if (pdraw
->buffers
[i
].attachment
== __DRI_BUFFER_FAKE_FRONT_LEFT
)
517 pdraw
->have_fake_front
= 1;
518 if (pdraw
->buffers
[i
].attachment
== __DRI_BUFFER_BACK_LEFT
)
519 pdraw
->have_back
= 1;
524 unsigned dri2GetSwapEventType(Display
* dpy
, XID drawable
)
526 struct glx_display
*glx_dpy
= __glXInitialize(dpy
);
527 __GLXDRIdrawable
*pdraw
;
528 pdraw
= dri2GetGlxDrawableFromXDrawableId(dpy
, drawable
);
529 if (!pdraw
|| !(pdraw
->eventMask
& GLX_BUFFER_SWAP_COMPLETE_INTEL_MASK
))
531 return glx_dpy
->codes
->first_event
+ GLX_BufferSwapComplete
;
535 dri2SwapBuffers(__GLXDRIdrawable
*pdraw
, int64_t target_msc
, int64_t divisor
,
538 struct dri2_drawable
*priv
= (struct dri2_drawable
*) pdraw
;
539 struct glx_display
*dpyPriv
= __glXInitialize(priv
->base
.psc
->dpy
);
540 struct dri2_screen
*psc
= (struct dri2_screen
*) priv
->base
.psc
;
541 struct dri2_display
*pdp
=
542 (struct dri2_display
*)dpyPriv
->dri2Display
;
545 /* Check we have the right attachments */
546 if (!priv
->have_back
)
549 /* Old servers can't handle swapbuffers */
550 if (!pdp
->swapAvailable
) {
551 dri2CopySubBuffer(pdraw
, 0, 0, priv
->width
, priv
->height
);
553 #ifdef X_DRI2SwapBuffers
556 struct glx_context
*gc
= __glXGetCurrentContext();
559 (*psc
->f
->flush
)(priv
->driDrawable
);
564 DRI2SwapBuffers(psc
->base
.dpy
, pdraw
->xDrawable
,
565 target_msc
, divisor
, remainder
, &ret
);
569 /* Old servers don't send invalidate events */
570 if (!pdp
->invalidateAvailable
)
571 dri2InvalidateBuffers(dpyPriv
->dpy
, pdraw
->xDrawable
);
577 dri2GetBuffers(__DRIdrawable
* driDrawable
,
578 int *width
, int *height
,
579 unsigned int *attachments
, int count
,
580 int *out_count
, void *loaderPrivate
)
582 struct dri2_drawable
*pdraw
= loaderPrivate
;
585 buffers
= DRI2GetBuffers(pdraw
->base
.psc
->dpy
, pdraw
->base
.xDrawable
,
586 width
, height
, attachments
, count
, out_count
);
590 pdraw
->width
= *width
;
591 pdraw
->height
= *height
;
592 process_buffers(pdraw
, buffers
, *out_count
);
596 return pdraw
->buffers
;
600 dri2GetBuffersWithFormat(__DRIdrawable
* driDrawable
,
601 int *width
, int *height
,
602 unsigned int *attachments
, int count
,
603 int *out_count
, void *loaderPrivate
)
605 struct dri2_drawable
*pdraw
= loaderPrivate
;
608 buffers
= DRI2GetBuffersWithFormat(pdraw
->base
.psc
->dpy
,
609 pdraw
->base
.xDrawable
,
610 width
, height
, attachments
,
615 pdraw
->width
= *width
;
616 pdraw
->height
= *height
;
617 process_buffers(pdraw
, buffers
, *out_count
);
621 return pdraw
->buffers
;
624 #ifdef X_DRI2SwapInterval
627 dri2SetSwapInterval(__GLXDRIdrawable
*pdraw
, int interval
)
629 struct dri2_drawable
*priv
= (struct dri2_drawable
*) pdraw
;
630 GLint vblank_mode
= DRI_CONF_VBLANK_DEF_INTERVAL_1
;
631 struct dri2_screen
*psc
= (struct dri2_screen
*) priv
->base
.psc
;
634 psc
->config
->configQueryi(psc
->driScreen
,
635 "vblank_mode", &vblank_mode
);
637 switch (vblank_mode
) {
638 case DRI_CONF_VBLANK_NEVER
:
639 return GLX_BAD_VALUE
;
640 case DRI_CONF_VBLANK_ALWAYS_SYNC
:
642 return GLX_BAD_VALUE
;
648 DRI2SwapInterval(priv
->base
.psc
->dpy
, priv
->base
.xDrawable
, interval
);
649 priv
->swap_interval
= interval
;
655 dri2GetSwapInterval(__GLXDRIdrawable
*pdraw
)
657 struct dri2_drawable
*priv
= (struct dri2_drawable
*) pdraw
;
659 return priv
->swap_interval
;
662 #endif /* X_DRI2SwapInterval */
664 static const __DRIdri2LoaderExtension dri2LoaderExtension
= {
665 {__DRI_DRI2_LOADER
, __DRI_DRI2_LOADER_VERSION
},
667 dri2FlushFrontBuffer
,
668 dri2GetBuffersWithFormat
,
671 static const __DRIdri2LoaderExtension dri2LoaderExtension_old
= {
672 {__DRI_DRI2_LOADER
, __DRI_DRI2_LOADER_VERSION
},
674 dri2FlushFrontBuffer
,
678 #ifdef __DRI_USE_INVALIDATE
679 static const __DRIuseInvalidateExtension dri2UseInvalidate
= {
680 { __DRI_USE_INVALIDATE
, __DRI_USE_INVALIDATE_VERSION
}
685 dri2InvalidateBuffers(Display
*dpy
, XID drawable
)
687 __GLXDRIdrawable
*pdraw
=
688 dri2GetGlxDrawableFromXDrawableId(dpy
, drawable
);
689 struct dri2_screen
*psc
;
690 struct dri2_drawable
*pdp
= (struct dri2_drawable
*) pdraw
;
695 psc
= (struct dri2_screen
*) pdraw
->psc
;
697 #if __DRI2_FLUSH_VERSION >= 3
698 if (pdraw
&& psc
->f
&& psc
->f
->base
.version
>= 3 && psc
->f
->invalidate
)
699 psc
->f
->invalidate(pdp
->driDrawable
);
704 dri2_bind_tex_image(Display
* dpy
,
705 GLXDrawable drawable
,
706 int buffer
, const int *attrib_list
)
708 struct glx_context
*gc
= __glXGetCurrentContext();
709 struct dri2_context
*pcp
= (struct dri2_context
*) gc
;
710 __GLXDRIdrawable
*base
= GetGLXDRIDrawable(dpy
, drawable
);
711 struct glx_display
*dpyPriv
= __glXInitialize(dpy
);
712 struct dri2_drawable
*pdraw
= (struct dri2_drawable
*) base
;
713 struct dri2_display
*pdp
=
714 (struct dri2_display
*) dpyPriv
->dri2Display
;
715 struct dri2_screen
*psc
;
718 psc
= (struct dri2_screen
*) base
->psc
;
720 #if __DRI2_FLUSH_VERSION >= 3
721 if (!pdp
->invalidateAvailable
&& psc
->f
&&
722 psc
->f
->base
.version
>= 3 && psc
->f
->invalidate
)
723 psc
->f
->invalidate(pdraw
->driDrawable
);
726 if (psc
->texBuffer
->base
.version
>= 2 &&
727 psc
->texBuffer
->setTexBuffer2
!= NULL
) {
728 (*psc
->texBuffer
->setTexBuffer2
) (pcp
->driContext
,
729 pdraw
->base
.textureTarget
,
730 pdraw
->base
.textureFormat
,
734 (*psc
->texBuffer
->setTexBuffer
) (pcp
->driContext
,
735 pdraw
->base
.textureTarget
,
742 dri2_release_tex_image(Display
* dpy
, GLXDrawable drawable
, int buffer
)
744 #if __DRI_TEX_BUFFER_VERSION >= 3
745 struct glx_context
*gc
= __glXGetCurrentContext();
746 struct dri2_context
*pcp
= (struct dri2_context
*) gc
;
747 __GLXDRIdrawable
*base
= GetGLXDRIDrawable(dpy
, drawable
);
748 struct glx_display
*dpyPriv
= __glXInitialize(dpy
);
749 struct dri2_drawable
*pdraw
= (struct dri2_drawable
*) base
;
750 struct dri2_display
*pdp
=
751 (struct dri2_display
*) dpyPriv
->dri2Display
;
752 struct dri2_screen
*psc
;
755 psc
= (struct dri2_screen
*) base
->psc
;
757 if (psc
->texBuffer
->base
.version
>= 3 &&
758 psc
->texBuffer
->releaseTexBuffer
!= NULL
) {
759 (*psc
->texBuffer
->releaseTexBuffer
) (pcp
->driContext
,
760 pdraw
->base
.textureTarget
,
767 static const struct glx_context_vtable dri2_context_vtable
= {
768 dri2_destroy_context
,
775 dri2_release_tex_image
,
776 NULL
, /* get_proc_address */
780 dri2BindExtensions(struct dri2_screen
*psc
, const __DRIextension
**extensions
)
784 __glXEnableDirectExtension(&psc
->base
, "GLX_SGI_video_sync");
785 __glXEnableDirectExtension(&psc
->base
, "GLX_SGI_swap_control");
786 __glXEnableDirectExtension(&psc
->base
, "GLX_MESA_swap_control");
787 __glXEnableDirectExtension(&psc
->base
, "GLX_SGI_make_current_read");
789 /* FIXME: if DRI2 version supports it... */
790 __glXEnableDirectExtension(&psc
->base
, "INTEL_swap_event");
792 for (i
= 0; extensions
[i
]; i
++) {
793 if ((strcmp(extensions
[i
]->name
, __DRI_TEX_BUFFER
) == 0)) {
794 psc
->texBuffer
= (__DRItexBufferExtension
*) extensions
[i
];
795 __glXEnableDirectExtension(&psc
->base
, "GLX_EXT_texture_from_pixmap");
798 if ((strcmp(extensions
[i
]->name
, __DRI2_FLUSH
) == 0)) {
799 psc
->f
= (__DRI2flushExtension
*) extensions
[i
];
800 /* internal driver extension, no GL extension exposed */
803 if ((strcmp(extensions
[i
]->name
, __DRI2_CONFIG_QUERY
) == 0))
804 psc
->config
= (__DRI2configQueryExtension
*) extensions
[i
];
808 static const struct glx_screen_vtable dri2_screen_vtable
= {
812 static struct glx_screen
*
813 dri2CreateScreen(int screen
, struct glx_display
* priv
)
815 const __DRIconfig
**driver_configs
;
816 const __DRIextension
**extensions
;
817 const struct dri2_display
*const pdp
= (struct dri2_display
*)
819 struct dri2_screen
*psc
;
821 char *driverName
, *deviceName
;
825 psc
= Xmalloc(sizeof *psc
);
829 memset(psc
, 0, sizeof *psc
);
832 if (!glx_screen_init(&psc
->base
, screen
, priv
)) {
837 if (!DRI2Connect(priv
->dpy
, RootWindow(priv
->dpy
, screen
),
838 &driverName
, &deviceName
)) {
839 glx_screen_cleanup(&psc
->base
);
841 InfoMessageF("screen %d does not appear to be DRI2 capable\n", screen
);
845 psc
->driver
= driOpenDriver(driverName
);
846 if (psc
->driver
== NULL
) {
847 ErrorMessageF("driver pointer missing\n");
851 extensions
= dlsym(psc
->driver
, __DRI_DRIVER_EXTENSIONS
);
852 if (extensions
== NULL
) {
853 ErrorMessageF("driver exports no extensions (%s)\n", dlerror());
857 for (i
= 0; extensions
[i
]; i
++) {
858 if (strcmp(extensions
[i
]->name
, __DRI_CORE
) == 0)
859 psc
->core
= (__DRIcoreExtension
*) extensions
[i
];
860 if (strcmp(extensions
[i
]->name
, __DRI_DRI2
) == 0)
861 psc
->dri2
= (__DRIdri2Extension
*) extensions
[i
];
864 if (psc
->core
== NULL
|| psc
->dri2
== NULL
) {
865 ErrorMessageF("core dri or dri2 extension not found\n");
869 psc
->fd
= open(deviceName
, O_RDWR
);
871 ErrorMessageF("failed to open drm device: %s\n", strerror(errno
));
875 if (drmGetMagic(psc
->fd
, &magic
)) {
876 ErrorMessageF("failed to get magic\n");
880 if (!DRI2Authenticate(priv
->dpy
, RootWindow(priv
->dpy
, screen
), magic
)) {
881 ErrorMessageF("failed to authenticate magic %d\n", magic
);
886 /* If the server does not support the protocol for
887 * DRI2GetBuffersWithFormat, don't supply that interface to the driver.
890 psc
->dri2
->createNewScreen(screen
, psc
->fd
,
891 (const __DRIextension
**)
892 &pdp
->loader_extensions
[0],
893 &driver_configs
, psc
);
895 if (psc
->driScreen
== NULL
) {
896 ErrorMessageF("failed to create dri screen\n");
900 extensions
= psc
->core
->getExtensions(psc
->driScreen
);
901 dri2BindExtensions(psc
, extensions
);
904 driConvertConfigs(psc
->core
, psc
->base
.configs
, driver_configs
);
906 driConvertConfigs(psc
->core
, psc
->base
.visuals
, driver_configs
);
908 psc
->driver_configs
= driver_configs
;
910 psc
->base
.vtable
= &dri2_screen_vtable
;
912 psc
->base
.driScreen
= psp
;
913 psp
->destroyScreen
= dri2DestroyScreen
;
914 psp
->createDrawable
= dri2CreateDrawable
;
915 psp
->swapBuffers
= dri2SwapBuffers
;
916 psp
->getDrawableMSC
= NULL
;
917 psp
->waitForMSC
= NULL
;
918 psp
->waitForSBC
= NULL
;
919 psp
->setSwapInterval
= NULL
;
920 psp
->getSwapInterval
= NULL
;
922 if (pdp
->driMinor
>= 2) {
924 psp
->getDrawableMSC
= dri2DrawableGetMSC
;
927 psp
->waitForMSC
= dri2WaitForMSC
;
928 psp
->waitForSBC
= dri2WaitForSBC
;
930 #ifdef X_DRI2SwapInterval
931 psp
->setSwapInterval
= dri2SetSwapInterval
;
932 psp
->getSwapInterval
= dri2GetSwapInterval
;
934 #if defined(X_DRI2GetMSC) && defined(X_DRI2WaitMSC) && defined(X_DRI2SwapInterval)
935 __glXEnableDirectExtension(&psc
->base
, "GLX_OML_sync_control");
939 /* DRI2 suports SubBuffer through DRI2CopyRegion, so it's always
941 psp
->copySubBuffer
= dri2CopySubBuffer
;
942 __glXEnableDirectExtension(&psc
->base
, "GLX_MESA_copy_sub_buffer");
953 dlclose(psc
->driver
);
956 glx_screen_cleanup(&psc
->base
);
962 /* Called from __glXFreeDisplayPrivate.
965 dri2DestroyDisplay(__GLXDRIdisplay
* dpy
)
967 struct dri2_display
*pdp
= (struct dri2_display
*) dpy
;
969 __glxHashDestroy(pdp
->dri2Hash
);
973 _X_HIDDEN __GLXDRIdrawable
*
974 dri2GetGlxDrawableFromXDrawableId(Display
*dpy
, XID id
)
976 struct glx_display
*d
= __glXInitialize(dpy
);
977 struct dri2_display
*pdp
= (struct dri2_display
*) d
->dri2Display
;
978 __GLXDRIdrawable
*pdraw
;
980 if (__glxHashLookup(pdp
->dri2Hash
, id
, (void *) &pdraw
) == 0)
987 * Allocate, initialize and return a __DRIdisplayPrivate object.
988 * This is called from __glXInitialize() when we are given a new
991 _X_HIDDEN __GLXDRIdisplay
*
992 dri2CreateDisplay(Display
* dpy
)
994 struct dri2_display
*pdp
;
995 int eventBase
, errorBase
, i
;
997 if (!DRI2QueryExtension(dpy
, &eventBase
, &errorBase
))
1000 pdp
= Xmalloc(sizeof *pdp
);
1004 if (!DRI2QueryVersion(dpy
, &pdp
->driMajor
, &pdp
->driMinor
)) {
1010 pdp
->swapAvailable
= (pdp
->driMinor
>= 2);
1011 pdp
->invalidateAvailable
= (pdp
->driMinor
>= 3);
1013 pdp
->base
.destroyDisplay
= dri2DestroyDisplay
;
1014 pdp
->base
.createScreen
= dri2CreateScreen
;
1017 if (pdp
->driMinor
< 1)
1018 pdp
->loader_extensions
[i
++] = &dri2LoaderExtension_old
.base
;
1020 pdp
->loader_extensions
[i
++] = &dri2LoaderExtension
.base
;
1022 pdp
->loader_extensions
[i
++] = &systemTimeExtension
.base
;
1024 #ifdef __DRI_USE_INVALIDATE
1025 pdp
->loader_extensions
[i
++] = &dri2UseInvalidate
.base
;
1027 pdp
->loader_extensions
[i
++] = NULL
;
1029 pdp
->dri2Hash
= __glxHashCreate();
1030 if (pdp
->dri2Hash
== NULL
) {
1038 #endif /* GLX_DIRECT_RENDERING */