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/extensions/Xdamage.h>
39 #include "glxclient.h"
40 #include <X11/extensions/dri2proto.h>
45 #include <sys/types.h>
49 #include "dri_common.h"
51 /* From xmlpool/options.h, user exposed so should be stable */
52 #define DRI_CONF_VBLANK_NEVER 0
53 #define DRI_CONF_VBLANK_DEF_INTERVAL_0 1
54 #define DRI_CONF_VBLANK_DEF_INTERVAL_1 2
55 #define DRI_CONF_VBLANK_ALWAYS_SYNC 3
65 ** XFree86-DRI version information
71 int invalidateAvailable
;
73 __glxHashTable
*dri2Hash
;
75 const __DRIextension
*loader_extensions
[4];
79 struct glx_screen base
;
81 __DRIscreen
*driScreen
;
82 __GLXDRIscreen vtable
;
83 const __DRIdri2Extension
*dri2
;
84 const __DRIcoreExtension
*core
;
86 const __DRI2flushExtension
*f
;
87 const __DRI2configQueryExtension
*config
;
88 const __DRItexBufferExtension
*texBuffer
;
89 const __DRIconfig
**driver_configs
;
97 struct glx_context base
;
98 __DRIcontext
*driContext
;
103 __GLXDRIdrawable base
;
104 __DRIdrawable
*driDrawable
;
105 __DRIbuffer buffers
[5];
113 static const struct glx_context_vtable dri2_context_vtable
;
116 dri2_destroy_context(struct glx_context
*context
)
118 struct dri2_context
*pcp
= (struct dri2_context
*) context
;
119 struct dri2_screen
*psc
= (struct dri2_screen
*) context
->psc
;
121 driReleaseDrawables(&pcp
->base
);
124 glx_send_destroy_context(psc
->base
.dpy
, context
->xid
);
126 if (context
->extensions
)
127 XFree((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 struct dri2_display
*pdp
;
143 pdraw
= (struct dri2_drawable
*) driFetchDrawable(context
, draw
);
144 pread
= (struct dri2_drawable
*) driFetchDrawable(context
, read
);
146 if (pdraw
== NULL
|| pread
== NULL
)
147 return GLXBadDrawable
;
149 if (!(*psc
->core
->bindContext
) (pcp
->driContext
,
150 pdraw
->driDrawable
, pread
->driDrawable
))
151 return GLXBadContext
;
153 /* If the server doesn't send invalidate events, we may miss a
154 * resize before the rendering starts. Invalidate the buffers now
155 * so the driver will recheck before rendering starts. */
156 pdp
= (struct dri2_display
*) psc
->base
.display
;
157 if (!pdp
->invalidateAvailable
) {
158 dri2InvalidateBuffers(psc
->base
.dpy
, pdraw
->base
.xDrawable
);
160 dri2InvalidateBuffers(psc
->base
.dpy
, pread
->base
.xDrawable
);
167 dri2_unbind_context(struct glx_context
*context
, struct glx_context
*new)
169 struct dri2_context
*pcp
= (struct dri2_context
*) context
;
170 struct dri2_screen
*psc
= (struct dri2_screen
*) pcp
->base
.psc
;
172 (*psc
->core
->unbindContext
) (pcp
->driContext
);
175 driReleaseDrawables(&pcp
->base
);
178 static struct glx_context
*
179 dri2_create_context(struct glx_screen
*base
,
180 struct glx_config
*config_base
,
181 struct glx_context
*shareList
, int renderType
)
183 struct dri2_context
*pcp
, *pcp_shared
;
184 struct dri2_screen
*psc
= (struct dri2_screen
*) base
;
185 __GLXDRIconfigPrivate
*config
= (__GLXDRIconfigPrivate
*) config_base
;
186 __DRIcontext
*shared
= NULL
;
189 pcp_shared
= (struct dri2_context
*) shareList
;
190 shared
= pcp_shared
->driContext
;
193 pcp
= Xmalloc(sizeof *pcp
);
197 memset(pcp
, 0, sizeof *pcp
);
198 if (!glx_context_init(&pcp
->base
, &psc
->base
, &config
->base
)) {
204 (*psc
->dri2
->createNewContext
) (psc
->driScreen
,
205 config
->driConfig
, shared
, pcp
);
207 if (pcp
->driContext
== NULL
) {
212 pcp
->base
.vtable
= &dri2_context_vtable
;
218 dri2DestroyDrawable(__GLXDRIdrawable
*base
)
220 struct dri2_screen
*psc
= (struct dri2_screen
*) base
->psc
;
221 struct dri2_drawable
*pdraw
= (struct dri2_drawable
*) base
;
222 struct glx_display
*dpyPriv
= psc
->base
.display
;
223 struct dri2_display
*pdp
= (struct dri2_display
*)dpyPriv
->dri2Display
;
225 __glxHashDelete(pdp
->dri2Hash
, pdraw
->base
.xDrawable
);
226 (*psc
->core
->destroyDrawable
) (pdraw
->driDrawable
);
228 /* If it's a GLX 1.3 drawables, we can destroy the DRI2 drawable
229 * now, as the application explicitly asked to destroy the GLX
230 * drawable. Otherwise, for legacy drawables, we let the DRI2
231 * drawable linger on the server, since there's no good way of
232 * knowing when the application is done with it. The server will
233 * destroy the DRI2 drawable when it destroys the X drawable or the
234 * client exits anyway. */
235 if (pdraw
->base
.xDrawable
!= pdraw
->base
.drawable
)
236 DRI2DestroyDrawable(psc
->base
.dpy
, pdraw
->base
.xDrawable
);
241 static __GLXDRIdrawable
*
242 dri2CreateDrawable(struct glx_screen
*base
, XID xDrawable
,
243 GLXDrawable drawable
, struct glx_config
*config_base
)
245 struct dri2_drawable
*pdraw
;
246 struct dri2_screen
*psc
= (struct dri2_screen
*) base
;
247 __GLXDRIconfigPrivate
*config
= (__GLXDRIconfigPrivate
*) config_base
;
248 struct glx_display
*dpyPriv
;
249 struct dri2_display
*pdp
;
250 GLint vblank_mode
= DRI_CONF_VBLANK_DEF_INTERVAL_1
;
252 pdraw
= Xmalloc(sizeof(*pdraw
));
256 memset(pdraw
, 0, sizeof *pdraw
);
257 pdraw
->base
.destroyDrawable
= dri2DestroyDrawable
;
258 pdraw
->base
.xDrawable
= xDrawable
;
259 pdraw
->base
.drawable
= drawable
;
260 pdraw
->base
.psc
= &psc
->base
;
261 pdraw
->bufferCount
= 0;
262 pdraw
->swap_interval
= 1; /* default may be overridden below */
263 pdraw
->have_back
= 0;
266 psc
->config
->configQueryi(psc
->driScreen
,
267 "vblank_mode", &vblank_mode
);
269 switch (vblank_mode
) {
270 case DRI_CONF_VBLANK_NEVER
:
271 case DRI_CONF_VBLANK_DEF_INTERVAL_0
:
272 pdraw
->swap_interval
= 0;
274 case DRI_CONF_VBLANK_DEF_INTERVAL_1
:
275 case DRI_CONF_VBLANK_ALWAYS_SYNC
:
277 pdraw
->swap_interval
= 1;
281 DRI2CreateDrawable(psc
->base
.dpy
, xDrawable
);
283 dpyPriv
= __glXInitialize(psc
->base
.dpy
);
284 pdp
= (struct dri2_display
*)dpyPriv
->dri2Display
;;
285 /* Create a new drawable */
287 (*psc
->dri2
->createNewDrawable
) (psc
->driScreen
,
288 config
->driConfig
, pdraw
);
290 if (!pdraw
->driDrawable
) {
291 DRI2DestroyDrawable(psc
->base
.dpy
, xDrawable
);
296 if (__glxHashInsert(pdp
->dri2Hash
, xDrawable
, pdraw
)) {
297 (*psc
->core
->destroyDrawable
) (pdraw
->driDrawable
);
298 DRI2DestroyDrawable(psc
->base
.dpy
, xDrawable
);
304 #ifdef X_DRI2SwapInterval
306 * Make sure server has the same swap interval we do for the new
309 if (pdp
->swapAvailable
)
310 DRI2SwapInterval(psc
->base
.dpy
, xDrawable
, pdraw
->swap_interval
);
319 dri2DrawableGetMSC(struct glx_screen
*psc
, __GLXDRIdrawable
*pdraw
,
320 int64_t *ust
, int64_t *msc
, int64_t *sbc
)
322 CARD64 dri2_ust
, dri2_msc
, dri2_sbc
;
325 ret
= DRI2GetMSC(psc
->dpy
, pdraw
->xDrawable
,
326 &dri2_ust
, &dri2_msc
, &dri2_sbc
);
340 dri2WaitForMSC(__GLXDRIdrawable
*pdraw
, int64_t target_msc
, int64_t divisor
,
341 int64_t remainder
, int64_t *ust
, int64_t *msc
, int64_t *sbc
)
343 CARD64 dri2_ust
, dri2_msc
, dri2_sbc
;
346 ret
= DRI2WaitMSC(pdraw
->psc
->dpy
, pdraw
->xDrawable
, target_msc
, divisor
,
347 remainder
, &dri2_ust
, &dri2_msc
, &dri2_sbc
);
356 dri2WaitForSBC(__GLXDRIdrawable
*pdraw
, int64_t target_sbc
, int64_t *ust
,
357 int64_t *msc
, int64_t *sbc
)
359 CARD64 dri2_ust
, dri2_msc
, dri2_sbc
;
362 ret
= DRI2WaitSBC(pdraw
->psc
->dpy
, pdraw
->xDrawable
,
363 target_sbc
, &dri2_ust
, &dri2_msc
, &dri2_sbc
);
371 #endif /* X_DRI2WaitMSC */
374 dri2CopySubBuffer(__GLXDRIdrawable
*pdraw
, int x
, int y
, int width
, int height
)
376 struct dri2_drawable
*priv
= (struct dri2_drawable
*) pdraw
;
377 struct dri2_screen
*psc
= (struct dri2_screen
*) pdraw
->psc
;
379 XserverRegion region
;
381 /* Check we have the right attachments */
382 if (!priv
->have_back
)
386 xrect
.y
= priv
->height
- y
- height
;
388 xrect
.height
= height
;
392 (*psc
->f
->flush
) (priv
->driDrawable
);
395 region
= XFixesCreateRegion(psc
->base
.dpy
, &xrect
, 1);
396 DRI2CopyRegion(psc
->base
.dpy
, pdraw
->xDrawable
, region
,
397 DRI2BufferFrontLeft
, DRI2BufferBackLeft
);
399 /* Refresh the fake front (if present) after we just damaged the real
402 if (priv
->have_fake_front
)
403 DRI2CopyRegion(psc
->base
.dpy
, pdraw
->xDrawable
, region
,
404 DRI2BufferFakeFrontLeft
, DRI2BufferFrontLeft
);
406 XFixesDestroyRegion(psc
->base
.dpy
, region
);
410 dri2_copy_drawable(struct dri2_drawable
*priv
, int dest
, int src
)
413 XserverRegion region
;
414 struct dri2_screen
*psc
= (struct dri2_screen
*) priv
->base
.psc
;
418 xrect
.width
= priv
->width
;
419 xrect
.height
= priv
->height
;
423 (*psc
->f
->flush
) (priv
->driDrawable
);
426 region
= XFixesCreateRegion(psc
->base
.dpy
, &xrect
, 1);
427 DRI2CopyRegion(psc
->base
.dpy
, priv
->base
.xDrawable
, region
, dest
, src
);
428 XFixesDestroyRegion(psc
->base
.dpy
, region
);
433 dri2_wait_x(struct glx_context
*gc
)
435 struct dri2_drawable
*priv
= (struct dri2_drawable
*)
436 GetGLXDRIDrawable(gc
->currentDpy
, gc
->currentDrawable
);
438 if (priv
== NULL
|| !priv
->have_fake_front
)
441 dri2_copy_drawable(priv
, DRI2BufferFakeFrontLeft
, DRI2BufferFrontLeft
);
445 dri2_wait_gl(struct glx_context
*gc
)
447 struct dri2_drawable
*priv
= (struct dri2_drawable
*)
448 GetGLXDRIDrawable(gc
->currentDpy
, gc
->currentDrawable
);
450 if (priv
== NULL
|| !priv
->have_fake_front
)
453 dri2_copy_drawable(priv
, DRI2BufferFrontLeft
, DRI2BufferFakeFrontLeft
);
457 dri2FlushFrontBuffer(__DRIdrawable
*driDrawable
, void *loaderPrivate
)
459 struct dri2_drawable
*pdraw
= loaderPrivate
;
460 struct glx_display
*priv
= __glXInitialize(pdraw
->base
.psc
->dpy
);
461 struct dri2_display
*pdp
= (struct dri2_display
*)priv
->dri2Display
;
462 struct glx_context
*gc
= __glXGetCurrentContext();
464 /* Old servers don't send invalidate events */
465 if (!pdp
->invalidateAvailable
)
466 dri2InvalidateBuffers(priv
->dpy
, pdraw
->base
.xDrawable
);
473 dri2DestroyScreen(struct glx_screen
*base
)
475 struct dri2_screen
*psc
= (struct dri2_screen
*) base
;
477 /* Free the direct rendering per screen data */
478 (*psc
->core
->destroyScreen
) (psc
->driScreen
);
479 driDestroyConfigs(psc
->driver_configs
);
485 * Process list of buffer received from the server
487 * Processes the list of buffers received in a reply from the server to either
488 * \c DRI2GetBuffers or \c DRI2GetBuffersWithFormat.
491 process_buffers(struct dri2_drawable
* pdraw
, DRI2Buffer
* buffers
,
496 pdraw
->bufferCount
= count
;
497 pdraw
->have_fake_front
= 0;
498 pdraw
->have_back
= 0;
500 /* This assumes the DRI2 buffer attachment tokens matches the
501 * __DRIbuffer tokens. */
502 for (i
= 0; i
< count
; i
++) {
503 pdraw
->buffers
[i
].attachment
= buffers
[i
].attachment
;
504 pdraw
->buffers
[i
].name
= buffers
[i
].name
;
505 pdraw
->buffers
[i
].pitch
= buffers
[i
].pitch
;
506 pdraw
->buffers
[i
].cpp
= buffers
[i
].cpp
;
507 pdraw
->buffers
[i
].flags
= buffers
[i
].flags
;
508 if (pdraw
->buffers
[i
].attachment
== __DRI_BUFFER_FAKE_FRONT_LEFT
)
509 pdraw
->have_fake_front
= 1;
510 if (pdraw
->buffers
[i
].attachment
== __DRI_BUFFER_BACK_LEFT
)
511 pdraw
->have_back
= 1;
516 unsigned dri2GetSwapEventType(Display
* dpy
, XID drawable
)
518 struct glx_display
*glx_dpy
= __glXInitialize(dpy
);
519 __GLXDRIdrawable
*pdraw
;
520 pdraw
= dri2GetGlxDrawableFromXDrawableId(dpy
, drawable
);
521 if (!pdraw
|| !(pdraw
->eventMask
& GLX_BUFFER_SWAP_COMPLETE_INTEL_MASK
))
523 return glx_dpy
->codes
->first_event
+ GLX_BufferSwapComplete
;
527 dri2SwapBuffers(__GLXDRIdrawable
*pdraw
, int64_t target_msc
, int64_t divisor
,
530 struct dri2_drawable
*priv
= (struct dri2_drawable
*) pdraw
;
531 struct glx_display
*dpyPriv
= __glXInitialize(priv
->base
.psc
->dpy
);
532 struct dri2_screen
*psc
= (struct dri2_screen
*) priv
->base
.psc
;
533 struct dri2_display
*pdp
=
534 (struct dri2_display
*)dpyPriv
->dri2Display
;
539 struct glx_context
*gc
= __glXGetCurrentContext();
542 (*psc
->f
->flush
)(priv
->driDrawable
);
547 /* Old servers don't send invalidate events */
548 if (!pdp
->invalidateAvailable
)
549 dri2InvalidateBuffers(dpyPriv
->dpy
, pdraw
->xDrawable
);
551 /* Old servers can't handle swapbuffers */
552 if (!pdp
->swapAvailable
) {
553 dri2CopySubBuffer(pdraw
, 0, 0, priv
->width
, priv
->height
);
557 #ifdef X_DRI2SwapBuffers
558 DRI2SwapBuffers(psc
->base
.dpy
, pdraw
->xDrawable
, target_msc
, divisor
,
566 dri2GetBuffers(__DRIdrawable
* driDrawable
,
567 int *width
, int *height
,
568 unsigned int *attachments
, int count
,
569 int *out_count
, void *loaderPrivate
)
571 struct dri2_drawable
*pdraw
= loaderPrivate
;
574 buffers
= DRI2GetBuffers(pdraw
->base
.psc
->dpy
, pdraw
->base
.xDrawable
,
575 width
, height
, attachments
, count
, out_count
);
579 pdraw
->width
= *width
;
580 pdraw
->height
= *height
;
581 process_buffers(pdraw
, buffers
, *out_count
);
585 return pdraw
->buffers
;
589 dri2GetBuffersWithFormat(__DRIdrawable
* driDrawable
,
590 int *width
, int *height
,
591 unsigned int *attachments
, int count
,
592 int *out_count
, void *loaderPrivate
)
594 struct dri2_drawable
*pdraw
= loaderPrivate
;
597 buffers
= DRI2GetBuffersWithFormat(pdraw
->base
.psc
->dpy
,
598 pdraw
->base
.xDrawable
,
599 width
, height
, attachments
,
604 pdraw
->width
= *width
;
605 pdraw
->height
= *height
;
606 process_buffers(pdraw
, buffers
, *out_count
);
610 return pdraw
->buffers
;
613 #ifdef X_DRI2SwapInterval
616 dri2SetSwapInterval(__GLXDRIdrawable
*pdraw
, int interval
)
618 struct dri2_drawable
*priv
= (struct dri2_drawable
*) pdraw
;
619 GLint vblank_mode
= DRI_CONF_VBLANK_DEF_INTERVAL_1
;
620 struct dri2_screen
*psc
= (struct dri2_screen
*) priv
->base
.psc
;
623 psc
->config
->configQueryi(psc
->driScreen
,
624 "vblank_mode", &vblank_mode
);
626 switch (vblank_mode
) {
627 case DRI_CONF_VBLANK_NEVER
:
628 return GLX_BAD_VALUE
;
629 case DRI_CONF_VBLANK_ALWAYS_SYNC
:
631 return GLX_BAD_VALUE
;
637 DRI2SwapInterval(priv
->base
.psc
->dpy
, priv
->base
.xDrawable
, interval
);
638 priv
->swap_interval
= interval
;
644 dri2GetSwapInterval(__GLXDRIdrawable
*pdraw
)
646 struct dri2_drawable
*priv
= (struct dri2_drawable
*) pdraw
;
648 return priv
->swap_interval
;
651 #endif /* X_DRI2SwapInterval */
653 static const __DRIdri2LoaderExtension dri2LoaderExtension
= {
654 {__DRI_DRI2_LOADER
, __DRI_DRI2_LOADER_VERSION
},
656 dri2FlushFrontBuffer
,
657 dri2GetBuffersWithFormat
,
660 static const __DRIdri2LoaderExtension dri2LoaderExtension_old
= {
661 {__DRI_DRI2_LOADER
, __DRI_DRI2_LOADER_VERSION
},
663 dri2FlushFrontBuffer
,
667 #ifdef __DRI_USE_INVALIDATE
668 static const __DRIuseInvalidateExtension dri2UseInvalidate
= {
669 { __DRI_USE_INVALIDATE
, __DRI_USE_INVALIDATE_VERSION
}
674 dri2InvalidateBuffers(Display
*dpy
, XID drawable
)
676 __GLXDRIdrawable
*pdraw
=
677 dri2GetGlxDrawableFromXDrawableId(dpy
, drawable
);
678 struct dri2_screen
*psc
;
679 struct dri2_drawable
*pdp
= (struct dri2_drawable
*) pdraw
;
684 psc
= (struct dri2_screen
*) pdraw
->psc
;
686 #if __DRI2_FLUSH_VERSION >= 3
687 if (pdraw
&& psc
->f
&& psc
->f
->base
.version
>= 3 && psc
->f
->invalidate
)
688 psc
->f
->invalidate(pdp
->driDrawable
);
693 dri2_bind_tex_image(Display
* dpy
,
694 GLXDrawable drawable
,
695 int buffer
, const int *attrib_list
)
697 struct glx_context
*gc
= __glXGetCurrentContext();
698 struct dri2_context
*pcp
= (struct dri2_context
*) gc
;
699 __GLXDRIdrawable
*base
= GetGLXDRIDrawable(dpy
, drawable
);
700 struct glx_display
*dpyPriv
= __glXInitialize(dpy
);
701 struct dri2_drawable
*pdraw
= (struct dri2_drawable
*) base
;
702 struct dri2_display
*pdp
=
703 (struct dri2_display
*) dpyPriv
->dri2Display
;
704 struct dri2_screen
*psc
;
707 psc
= (struct dri2_screen
*) base
->psc
;
709 #if __DRI2_FLUSH_VERSION >= 3
710 if (!pdp
->invalidateAvailable
&& psc
->f
&&
711 psc
->f
->base
.version
>= 3 && psc
->f
->invalidate
)
712 psc
->f
->invalidate(pdraw
->driDrawable
);
715 if (psc
->texBuffer
->base
.version
>= 2 &&
716 psc
->texBuffer
->setTexBuffer2
!= NULL
) {
717 (*psc
->texBuffer
->setTexBuffer2
) (pcp
->driContext
,
718 pdraw
->base
.textureTarget
,
719 pdraw
->base
.textureFormat
,
723 (*psc
->texBuffer
->setTexBuffer
) (pcp
->driContext
,
724 pdraw
->base
.textureTarget
,
731 dri2_release_tex_image(Display
* dpy
, GLXDrawable drawable
, int buffer
)
733 #if __DRI_TEX_BUFFER_VERSION >= 3
734 struct glx_context
*gc
= __glXGetCurrentContext();
735 struct dri2_context
*pcp
= (struct dri2_context
*) gc
;
736 __GLXDRIdrawable
*base
= GetGLXDRIDrawable(dpy
, drawable
);
737 struct glx_display
*dpyPriv
= __glXInitialize(dpy
);
738 struct dri2_drawable
*pdraw
= (struct dri2_drawable
*) base
;
739 struct dri2_display
*pdp
=
740 (struct dri2_display
*) dpyPriv
->dri2Display
;
741 struct dri2_screen
*psc
;
744 psc
= (struct dri2_screen
*) base
->psc
;
746 if (psc
->texBuffer
->base
.version
>= 3 &&
747 psc
->texBuffer
->releaseTexBuffer
!= NULL
) {
748 (*psc
->texBuffer
->releaseTexBuffer
) (pcp
->driContext
,
749 pdraw
->base
.textureTarget
,
756 static const struct glx_context_vtable dri2_context_vtable
= {
757 dri2_destroy_context
,
764 dri2_release_tex_image
,
768 dri2BindExtensions(struct dri2_screen
*psc
, const __DRIextension
**extensions
)
772 __glXEnableDirectExtension(&psc
->base
, "GLX_SGI_video_sync");
773 __glXEnableDirectExtension(&psc
->base
, "GLX_SGI_swap_control");
774 __glXEnableDirectExtension(&psc
->base
, "GLX_MESA_swap_control");
775 __glXEnableDirectExtension(&psc
->base
, "GLX_SGI_make_current_read");
777 /* FIXME: if DRI2 version supports it... */
778 __glXEnableDirectExtension(&psc
->base
, "INTEL_swap_event");
780 for (i
= 0; extensions
[i
]; i
++) {
781 if ((strcmp(extensions
[i
]->name
, __DRI_TEX_BUFFER
) == 0)) {
782 psc
->texBuffer
= (__DRItexBufferExtension
*) extensions
[i
];
783 __glXEnableDirectExtension(&psc
->base
, "GLX_EXT_texture_from_pixmap");
786 if ((strcmp(extensions
[i
]->name
, __DRI2_FLUSH
) == 0)) {
787 psc
->f
= (__DRI2flushExtension
*) extensions
[i
];
788 /* internal driver extension, no GL extension exposed */
791 if ((strcmp(extensions
[i
]->name
, __DRI2_CONFIG_QUERY
) == 0))
792 psc
->config
= (__DRI2configQueryExtension
*) extensions
[i
];
796 static const struct glx_screen_vtable dri2_screen_vtable
= {
800 static struct glx_screen
*
801 dri2CreateScreen(int screen
, struct glx_display
* priv
)
803 const __DRIconfig
**driver_configs
;
804 const __DRIextension
**extensions
;
805 const struct dri2_display
*const pdp
= (struct dri2_display
*)
807 struct dri2_screen
*psc
;
809 char *driverName
, *deviceName
;
813 psc
= Xmalloc(sizeof *psc
);
817 memset(psc
, 0, sizeof *psc
);
820 if (!glx_screen_init(&psc
->base
, screen
, priv
)) {
825 if (!DRI2Connect(priv
->dpy
, RootWindow(priv
->dpy
, screen
),
826 &driverName
, &deviceName
)) {
827 glx_screen_cleanup(&psc
->base
);
832 psc
->driver
= driOpenDriver(driverName
);
833 if (psc
->driver
== NULL
) {
834 ErrorMessageF("driver pointer missing\n");
838 extensions
= dlsym(psc
->driver
, __DRI_DRIVER_EXTENSIONS
);
839 if (extensions
== NULL
) {
840 ErrorMessageF("driver exports no extensions (%s)\n", dlerror());
844 for (i
= 0; extensions
[i
]; i
++) {
845 if (strcmp(extensions
[i
]->name
, __DRI_CORE
) == 0)
846 psc
->core
= (__DRIcoreExtension
*) extensions
[i
];
847 if (strcmp(extensions
[i
]->name
, __DRI_DRI2
) == 0)
848 psc
->dri2
= (__DRIdri2Extension
*) extensions
[i
];
851 if (psc
->core
== NULL
|| psc
->dri2
== NULL
) {
852 ErrorMessageF("core dri or dri2 extension not found\n");
856 psc
->fd
= open(deviceName
, O_RDWR
);
858 ErrorMessageF("failed to open drm device: %s\n", strerror(errno
));
862 if (drmGetMagic(psc
->fd
, &magic
)) {
863 ErrorMessageF("failed to get magic\n");
867 if (!DRI2Authenticate(priv
->dpy
, RootWindow(priv
->dpy
, screen
), magic
)) {
868 ErrorMessageF("failed to authenticate magic %d\n", magic
);
873 /* If the server does not support the protocol for
874 * DRI2GetBuffersWithFormat, don't supply that interface to the driver.
877 psc
->dri2
->createNewScreen(screen
, psc
->fd
,
878 (const __DRIextension
**)
879 &pdp
->loader_extensions
[0],
880 &driver_configs
, psc
);
882 if (psc
->driScreen
== NULL
) {
883 ErrorMessageF("failed to create dri screen\n");
887 extensions
= psc
->core
->getExtensions(psc
->driScreen
);
888 dri2BindExtensions(psc
, extensions
);
891 driConvertConfigs(psc
->core
, psc
->base
.configs
, driver_configs
);
893 driConvertConfigs(psc
->core
, psc
->base
.visuals
, driver_configs
);
895 psc
->driver_configs
= driver_configs
;
897 psc
->base
.vtable
= &dri2_screen_vtable
;
899 psc
->base
.driScreen
= psp
;
900 psp
->destroyScreen
= dri2DestroyScreen
;
901 psp
->createDrawable
= dri2CreateDrawable
;
902 psp
->swapBuffers
= dri2SwapBuffers
;
903 psp
->getDrawableMSC
= NULL
;
904 psp
->waitForMSC
= NULL
;
905 psp
->waitForSBC
= NULL
;
906 psp
->setSwapInterval
= NULL
;
907 psp
->getSwapInterval
= NULL
;
909 if (pdp
->driMinor
>= 2) {
911 psp
->getDrawableMSC
= dri2DrawableGetMSC
;
914 psp
->waitForMSC
= dri2WaitForMSC
;
915 psp
->waitForSBC
= dri2WaitForSBC
;
917 #ifdef X_DRI2SwapInterval
918 psp
->setSwapInterval
= dri2SetSwapInterval
;
919 psp
->getSwapInterval
= dri2GetSwapInterval
;
921 #if defined(X_DRI2GetMSC) && defined(X_DRI2WaitMSC) && defined(X_DRI2SwapInterval)
922 __glXEnableDirectExtension(&psc
->base
, "GLX_OML_sync_control");
926 /* DRI2 suports SubBuffer through DRI2CopyRegion, so it's always
928 psp
->copySubBuffer
= dri2CopySubBuffer
;
929 __glXEnableDirectExtension(&psc
->base
, "GLX_MESA_copy_sub_buffer");
940 dlclose(psc
->driver
);
943 glx_screen_cleanup(&psc
->base
);
949 /* Called from __glXFreeDisplayPrivate.
952 dri2DestroyDisplay(__GLXDRIdisplay
* dpy
)
954 struct dri2_display
*pdp
= (struct dri2_display
*) dpy
;
956 __glxHashDestroy(pdp
->dri2Hash
);
960 _X_HIDDEN __GLXDRIdrawable
*
961 dri2GetGlxDrawableFromXDrawableId(Display
*dpy
, XID id
)
963 struct glx_display
*d
= __glXInitialize(dpy
);
964 struct dri2_display
*pdp
= (struct dri2_display
*) d
->dri2Display
;
965 __GLXDRIdrawable
*pdraw
;
967 if (__glxHashLookup(pdp
->dri2Hash
, id
, (void *) &pdraw
) == 0)
974 * Allocate, initialize and return a __DRIdisplayPrivate object.
975 * This is called from __glXInitialize() when we are given a new
978 _X_HIDDEN __GLXDRIdisplay
*
979 dri2CreateDisplay(Display
* dpy
)
981 struct dri2_display
*pdp
;
982 int eventBase
, errorBase
, i
;
984 if (!DRI2QueryExtension(dpy
, &eventBase
, &errorBase
))
987 pdp
= Xmalloc(sizeof *pdp
);
991 if (!DRI2QueryVersion(dpy
, &pdp
->driMajor
, &pdp
->driMinor
)) {
997 pdp
->swapAvailable
= (pdp
->driMinor
>= 2);
998 pdp
->invalidateAvailable
= (pdp
->driMinor
>= 3);
1000 pdp
->base
.destroyDisplay
= dri2DestroyDisplay
;
1001 pdp
->base
.createScreen
= dri2CreateScreen
;
1004 if (pdp
->driMinor
< 1)
1005 pdp
->loader_extensions
[i
++] = &dri2LoaderExtension_old
.base
;
1007 pdp
->loader_extensions
[i
++] = &dri2LoaderExtension
.base
;
1009 pdp
->loader_extensions
[i
++] = &systemTimeExtension
.base
;
1011 #ifdef __DRI_USE_INVALIDATE
1012 pdp
->loader_extensions
[i
++] = &dri2UseInvalidate
.base
;
1014 pdp
->loader_extensions
[i
++] = NULL
;
1016 pdp
->dri2Hash
= __glxHashCreate();
1017 if (pdp
->dri2Hash
== NULL
) {
1025 #endif /* GLX_DIRECT_RENDERING */