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 __DRI2throttleExtension
*throttle
;
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
);
123 if (context
->extensions
)
124 XFree((char *) context
->extensions
);
126 (*psc
->core
->destroyContext
) (pcp
->driContext
);
132 dri2_bind_context(struct glx_context
*context
, struct glx_context
*old
,
133 GLXDrawable draw
, GLXDrawable read
)
135 struct dri2_context
*pcp
= (struct dri2_context
*) context
;
136 struct dri2_screen
*psc
= (struct dri2_screen
*) pcp
->base
.psc
;
137 struct dri2_drawable
*pdraw
, *pread
;
138 struct dri2_display
*pdp
;
140 pdraw
= (struct dri2_drawable
*) driFetchDrawable(context
, draw
);
141 pread
= (struct dri2_drawable
*) driFetchDrawable(context
, read
);
143 driReleaseDrawables(&pcp
->base
);
145 if (pdraw
== NULL
|| pread
== NULL
)
146 return GLXBadDrawable
;
148 if (!(*psc
->core
->bindContext
) (pcp
->driContext
,
149 pdraw
->driDrawable
, pread
->driDrawable
))
150 return GLXBadContext
;
152 /* If the server doesn't send invalidate events, we may miss a
153 * resize before the rendering starts. Invalidate the buffers now
154 * so the driver will recheck before rendering starts. */
155 pdp
= (struct dri2_display
*) psc
->base
.display
;
156 if (!pdp
->invalidateAvailable
) {
157 dri2InvalidateBuffers(psc
->base
.dpy
, pdraw
->base
.xDrawable
);
159 dri2InvalidateBuffers(psc
->base
.dpy
, pread
->base
.xDrawable
);
166 dri2_unbind_context(struct glx_context
*context
, struct glx_context
*new)
168 struct dri2_context
*pcp
= (struct dri2_context
*) context
;
169 struct dri2_screen
*psc
= (struct dri2_screen
*) pcp
->base
.psc
;
171 (*psc
->core
->unbindContext
) (pcp
->driContext
);
174 static struct glx_context
*
175 dri2_create_context(struct glx_screen
*base
,
176 struct glx_config
*config_base
,
177 struct glx_context
*shareList
, int renderType
)
179 struct dri2_context
*pcp
, *pcp_shared
;
180 struct dri2_screen
*psc
= (struct dri2_screen
*) base
;
181 __GLXDRIconfigPrivate
*config
= (__GLXDRIconfigPrivate
*) config_base
;
182 __DRIcontext
*shared
= NULL
;
185 /* If the shareList context is not a DRI2 context, we cannot possibly
186 * create a DRI2 context that shares it.
188 if (shareList
->vtable
->destroy
!= dri2_destroy_context
) {
192 pcp_shared
= (struct dri2_context
*) shareList
;
193 shared
= pcp_shared
->driContext
;
196 pcp
= Xmalloc(sizeof *pcp
);
200 memset(pcp
, 0, sizeof *pcp
);
201 if (!glx_context_init(&pcp
->base
, &psc
->base
, &config
->base
)) {
207 (*psc
->dri2
->createNewContext
) (psc
->driScreen
,
208 config
->driConfig
, shared
, pcp
);
210 if (pcp
->driContext
== NULL
) {
215 pcp
->base
.vtable
= &dri2_context_vtable
;
221 dri2DestroyDrawable(__GLXDRIdrawable
*base
)
223 struct dri2_screen
*psc
= (struct dri2_screen
*) base
->psc
;
224 struct dri2_drawable
*pdraw
= (struct dri2_drawable
*) base
;
225 struct glx_display
*dpyPriv
= psc
->base
.display
;
226 struct dri2_display
*pdp
= (struct dri2_display
*)dpyPriv
->dri2Display
;
228 __glxHashDelete(pdp
->dri2Hash
, pdraw
->base
.xDrawable
);
229 (*psc
->core
->destroyDrawable
) (pdraw
->driDrawable
);
231 /* If it's a GLX 1.3 drawables, we can destroy the DRI2 drawable
232 * now, as the application explicitly asked to destroy the GLX
233 * drawable. Otherwise, for legacy drawables, we let the DRI2
234 * drawable linger on the server, since there's no good way of
235 * knowing when the application is done with it. The server will
236 * destroy the DRI2 drawable when it destroys the X drawable or the
237 * client exits anyway. */
238 if (pdraw
->base
.xDrawable
!= pdraw
->base
.drawable
)
239 DRI2DestroyDrawable(psc
->base
.dpy
, pdraw
->base
.xDrawable
);
244 static __GLXDRIdrawable
*
245 dri2CreateDrawable(struct glx_screen
*base
, XID xDrawable
,
246 GLXDrawable drawable
, struct glx_config
*config_base
)
248 struct dri2_drawable
*pdraw
;
249 struct dri2_screen
*psc
= (struct dri2_screen
*) base
;
250 __GLXDRIconfigPrivate
*config
= (__GLXDRIconfigPrivate
*) config_base
;
251 struct glx_display
*dpyPriv
;
252 struct dri2_display
*pdp
;
253 GLint vblank_mode
= DRI_CONF_VBLANK_DEF_INTERVAL_1
;
255 pdraw
= Xmalloc(sizeof(*pdraw
));
259 memset(pdraw
, 0, sizeof *pdraw
);
260 pdraw
->base
.destroyDrawable
= dri2DestroyDrawable
;
261 pdraw
->base
.xDrawable
= xDrawable
;
262 pdraw
->base
.drawable
= drawable
;
263 pdraw
->base
.psc
= &psc
->base
;
264 pdraw
->bufferCount
= 0;
265 pdraw
->swap_interval
= 1; /* default may be overridden below */
266 pdraw
->have_back
= 0;
269 psc
->config
->configQueryi(psc
->driScreen
,
270 "vblank_mode", &vblank_mode
);
272 switch (vblank_mode
) {
273 case DRI_CONF_VBLANK_NEVER
:
274 case DRI_CONF_VBLANK_DEF_INTERVAL_0
:
275 pdraw
->swap_interval
= 0;
277 case DRI_CONF_VBLANK_DEF_INTERVAL_1
:
278 case DRI_CONF_VBLANK_ALWAYS_SYNC
:
280 pdraw
->swap_interval
= 1;
284 DRI2CreateDrawable(psc
->base
.dpy
, xDrawable
);
286 dpyPriv
= __glXInitialize(psc
->base
.dpy
);
287 pdp
= (struct dri2_display
*)dpyPriv
->dri2Display
;;
288 /* Create a new drawable */
290 (*psc
->dri2
->createNewDrawable
) (psc
->driScreen
,
291 config
->driConfig
, pdraw
);
293 if (!pdraw
->driDrawable
) {
294 DRI2DestroyDrawable(psc
->base
.dpy
, xDrawable
);
299 if (__glxHashInsert(pdp
->dri2Hash
, xDrawable
, pdraw
)) {
300 (*psc
->core
->destroyDrawable
) (pdraw
->driDrawable
);
301 DRI2DestroyDrawable(psc
->base
.dpy
, xDrawable
);
307 #ifdef X_DRI2SwapInterval
309 * Make sure server has the same swap interval we do for the new
312 if (pdp
->swapAvailable
)
313 DRI2SwapInterval(psc
->base
.dpy
, xDrawable
, pdraw
->swap_interval
);
322 dri2DrawableGetMSC(struct glx_screen
*psc
, __GLXDRIdrawable
*pdraw
,
323 int64_t *ust
, int64_t *msc
, int64_t *sbc
)
325 CARD64 dri2_ust
, dri2_msc
, dri2_sbc
;
328 ret
= DRI2GetMSC(psc
->dpy
, pdraw
->xDrawable
,
329 &dri2_ust
, &dri2_msc
, &dri2_sbc
);
343 dri2WaitForMSC(__GLXDRIdrawable
*pdraw
, int64_t target_msc
, int64_t divisor
,
344 int64_t remainder
, int64_t *ust
, int64_t *msc
, int64_t *sbc
)
346 CARD64 dri2_ust
, dri2_msc
, dri2_sbc
;
349 ret
= DRI2WaitMSC(pdraw
->psc
->dpy
, pdraw
->xDrawable
, target_msc
, divisor
,
350 remainder
, &dri2_ust
, &dri2_msc
, &dri2_sbc
);
359 dri2WaitForSBC(__GLXDRIdrawable
*pdraw
, int64_t target_sbc
, int64_t *ust
,
360 int64_t *msc
, int64_t *sbc
)
362 CARD64 dri2_ust
, dri2_msc
, dri2_sbc
;
365 ret
= DRI2WaitSBC(pdraw
->psc
->dpy
, pdraw
->xDrawable
,
366 target_sbc
, &dri2_ust
, &dri2_msc
, &dri2_sbc
);
374 #endif /* X_DRI2WaitMSC */
377 * dri2Throttle - Request driver throttling
379 * This function uses the DRI2 throttle extension to give the
380 * driver the opportunity to throttle on flush front, copysubbuffer
384 dri2Throttle(struct dri2_screen
*psc
,
385 struct dri2_drawable
*draw
,
386 enum __DRI2throttleReason reason
)
389 struct glx_context
*gc
= __glXGetCurrentContext();
390 struct dri2_context
*dri2Ctx
= (struct dri2_context
*)gc
;
392 (dri2Ctx
) ? dri2Ctx
->driContext
: NULL
;
394 psc
->throttle
->throttle(ctx
, draw
->driDrawable
, reason
);
399 __dri2CopySubBuffer(__GLXDRIdrawable
*pdraw
, int x
, int y
,
400 int width
, int height
,
401 enum __DRI2throttleReason reason
)
403 struct dri2_drawable
*priv
= (struct dri2_drawable
*) pdraw
;
404 struct dri2_screen
*psc
= (struct dri2_screen
*) pdraw
->psc
;
406 XserverRegion region
;
408 /* Check we have the right attachments */
409 if (!priv
->have_back
)
413 xrect
.y
= priv
->height
- y
- height
;
415 xrect
.height
= height
;
419 (*psc
->f
->flush
) (priv
->driDrawable
);
422 dri2Throttle(psc
, priv
, reason
);
424 region
= XFixesCreateRegion(psc
->base
.dpy
, &xrect
, 1);
425 DRI2CopyRegion(psc
->base
.dpy
, pdraw
->xDrawable
, region
,
426 DRI2BufferFrontLeft
, DRI2BufferBackLeft
);
428 /* Refresh the fake front (if present) after we just damaged the real
431 if (priv
->have_fake_front
)
432 DRI2CopyRegion(psc
->base
.dpy
, pdraw
->xDrawable
, region
,
433 DRI2BufferFakeFrontLeft
, DRI2BufferFrontLeft
);
435 XFixesDestroyRegion(psc
->base
.dpy
, region
);
439 dri2CopySubBuffer(__GLXDRIdrawable
*pdraw
, int x
, int y
,
440 int width
, int height
)
442 __dri2CopySubBuffer(pdraw
, x
, y
, width
, height
,
443 __DRI2_THROTTLE_COPYSUBBUFFER
);
448 dri2_copy_drawable(struct dri2_drawable
*priv
, int dest
, int src
)
451 XserverRegion region
;
452 struct dri2_screen
*psc
= (struct dri2_screen
*) priv
->base
.psc
;
456 xrect
.width
= priv
->width
;
457 xrect
.height
= priv
->height
;
461 (*psc
->f
->flush
) (priv
->driDrawable
);
464 region
= XFixesCreateRegion(psc
->base
.dpy
, &xrect
, 1);
465 DRI2CopyRegion(psc
->base
.dpy
, priv
->base
.xDrawable
, region
, dest
, src
);
466 XFixesDestroyRegion(psc
->base
.dpy
, region
);
471 dri2_wait_x(struct glx_context
*gc
)
473 struct dri2_drawable
*priv
= (struct dri2_drawable
*)
474 GetGLXDRIDrawable(gc
->currentDpy
, gc
->currentDrawable
);
476 if (priv
== NULL
|| !priv
->have_fake_front
)
479 dri2_copy_drawable(priv
, DRI2BufferFakeFrontLeft
, DRI2BufferFrontLeft
);
483 dri2_wait_gl(struct glx_context
*gc
)
485 struct dri2_drawable
*priv
= (struct dri2_drawable
*)
486 GetGLXDRIDrawable(gc
->currentDpy
, gc
->currentDrawable
);
488 if (priv
== NULL
|| !priv
->have_fake_front
)
491 dri2_copy_drawable(priv
, DRI2BufferFrontLeft
, DRI2BufferFakeFrontLeft
);
495 dri2FlushFrontBuffer(__DRIdrawable
*driDrawable
, void *loaderPrivate
)
497 struct glx_display
*priv
;
498 struct dri2_display
*pdp
;
499 struct glx_context
*gc
;
500 struct dri2_drawable
*pdraw
= loaderPrivate
;
501 struct dri2_screen
*psc
;
506 if (!pdraw
->base
.psc
)
509 psc
= (struct dri2_screen
*) pdraw
->base
.psc
;
511 priv
= __glXInitialize(psc
->base
.dpy
);
512 pdp
= (struct dri2_display
*) priv
->dri2Display
;
513 gc
= __glXGetCurrentContext();
515 dri2Throttle(psc
, pdraw
, __DRI2_THROTTLE_FLUSHFRONT
);
517 /* Old servers don't send invalidate events */
518 if (!pdp
->invalidateAvailable
)
519 dri2InvalidateBuffers(priv
->dpy
, pdraw
->base
.xDrawable
);
526 dri2DestroyScreen(struct glx_screen
*base
)
528 struct dri2_screen
*psc
= (struct dri2_screen
*) base
;
530 /* Free the direct rendering per screen data */
531 (*psc
->core
->destroyScreen
) (psc
->driScreen
);
532 driDestroyConfigs(psc
->driver_configs
);
538 * Process list of buffer received from the server
540 * Processes the list of buffers received in a reply from the server to either
541 * \c DRI2GetBuffers or \c DRI2GetBuffersWithFormat.
544 process_buffers(struct dri2_drawable
* pdraw
, DRI2Buffer
* buffers
,
549 pdraw
->bufferCount
= count
;
550 pdraw
->have_fake_front
= 0;
551 pdraw
->have_back
= 0;
553 /* This assumes the DRI2 buffer attachment tokens matches the
554 * __DRIbuffer tokens. */
555 for (i
= 0; i
< count
; i
++) {
556 pdraw
->buffers
[i
].attachment
= buffers
[i
].attachment
;
557 pdraw
->buffers
[i
].name
= buffers
[i
].name
;
558 pdraw
->buffers
[i
].pitch
= buffers
[i
].pitch
;
559 pdraw
->buffers
[i
].cpp
= buffers
[i
].cpp
;
560 pdraw
->buffers
[i
].flags
= buffers
[i
].flags
;
561 if (pdraw
->buffers
[i
].attachment
== __DRI_BUFFER_FAKE_FRONT_LEFT
)
562 pdraw
->have_fake_front
= 1;
563 if (pdraw
->buffers
[i
].attachment
== __DRI_BUFFER_BACK_LEFT
)
564 pdraw
->have_back
= 1;
569 unsigned dri2GetSwapEventType(Display
* dpy
, XID drawable
)
571 struct glx_display
*glx_dpy
= __glXInitialize(dpy
);
572 __GLXDRIdrawable
*pdraw
;
573 pdraw
= dri2GetGlxDrawableFromXDrawableId(dpy
, drawable
);
574 if (!pdraw
|| !(pdraw
->eventMask
& GLX_BUFFER_SWAP_COMPLETE_INTEL_MASK
))
576 return glx_dpy
->codes
->first_event
+ GLX_BufferSwapComplete
;
580 dri2SwapBuffers(__GLXDRIdrawable
*pdraw
, int64_t target_msc
, int64_t divisor
,
583 struct dri2_drawable
*priv
= (struct dri2_drawable
*) pdraw
;
584 struct glx_display
*dpyPriv
= __glXInitialize(priv
->base
.psc
->dpy
);
585 struct dri2_screen
*psc
= (struct dri2_screen
*) priv
->base
.psc
;
586 struct dri2_display
*pdp
=
587 (struct dri2_display
*)dpyPriv
->dri2Display
;
590 /* Check we have the right attachments */
591 if (!priv
->have_back
)
594 /* Old servers can't handle swapbuffers */
595 if (!pdp
->swapAvailable
) {
596 __dri2CopySubBuffer(pdraw
, 0, 0, priv
->width
, priv
->height
,
597 __DRI2_THROTTLE_SWAPBUFFER
);
599 #ifdef X_DRI2SwapBuffers
602 struct glx_context
*gc
= __glXGetCurrentContext();
605 (*psc
->f
->flush
)(priv
->driDrawable
);
610 dri2Throttle(psc
, priv
, __DRI2_THROTTLE_SWAPBUFFER
);
612 DRI2SwapBuffers(psc
->base
.dpy
, pdraw
->xDrawable
,
613 target_msc
, divisor
, remainder
, &ret
);
617 /* Old servers don't send invalidate events */
618 if (!pdp
->invalidateAvailable
)
619 dri2InvalidateBuffers(dpyPriv
->dpy
, pdraw
->xDrawable
);
625 dri2GetBuffers(__DRIdrawable
* driDrawable
,
626 int *width
, int *height
,
627 unsigned int *attachments
, int count
,
628 int *out_count
, void *loaderPrivate
)
630 struct dri2_drawable
*pdraw
= loaderPrivate
;
633 buffers
= DRI2GetBuffers(pdraw
->base
.psc
->dpy
, pdraw
->base
.xDrawable
,
634 width
, height
, attachments
, count
, out_count
);
638 pdraw
->width
= *width
;
639 pdraw
->height
= *height
;
640 process_buffers(pdraw
, buffers
, *out_count
);
644 return pdraw
->buffers
;
648 dri2GetBuffersWithFormat(__DRIdrawable
* driDrawable
,
649 int *width
, int *height
,
650 unsigned int *attachments
, int count
,
651 int *out_count
, void *loaderPrivate
)
653 struct dri2_drawable
*pdraw
= loaderPrivate
;
656 buffers
= DRI2GetBuffersWithFormat(pdraw
->base
.psc
->dpy
,
657 pdraw
->base
.xDrawable
,
658 width
, height
, attachments
,
663 pdraw
->width
= *width
;
664 pdraw
->height
= *height
;
665 process_buffers(pdraw
, buffers
, *out_count
);
669 return pdraw
->buffers
;
672 #ifdef X_DRI2SwapInterval
675 dri2SetSwapInterval(__GLXDRIdrawable
*pdraw
, int interval
)
677 struct dri2_drawable
*priv
= (struct dri2_drawable
*) pdraw
;
678 GLint vblank_mode
= DRI_CONF_VBLANK_DEF_INTERVAL_1
;
679 struct dri2_screen
*psc
= (struct dri2_screen
*) priv
->base
.psc
;
682 psc
->config
->configQueryi(psc
->driScreen
,
683 "vblank_mode", &vblank_mode
);
685 switch (vblank_mode
) {
686 case DRI_CONF_VBLANK_NEVER
:
687 return GLX_BAD_VALUE
;
688 case DRI_CONF_VBLANK_ALWAYS_SYNC
:
690 return GLX_BAD_VALUE
;
696 DRI2SwapInterval(priv
->base
.psc
->dpy
, priv
->base
.xDrawable
, interval
);
697 priv
->swap_interval
= interval
;
703 dri2GetSwapInterval(__GLXDRIdrawable
*pdraw
)
705 struct dri2_drawable
*priv
= (struct dri2_drawable
*) pdraw
;
707 return priv
->swap_interval
;
710 #endif /* X_DRI2SwapInterval */
712 static const __DRIdri2LoaderExtension dri2LoaderExtension
= {
713 {__DRI_DRI2_LOADER
, __DRI_DRI2_LOADER_VERSION
},
715 dri2FlushFrontBuffer
,
716 dri2GetBuffersWithFormat
,
719 static const __DRIdri2LoaderExtension dri2LoaderExtension_old
= {
720 {__DRI_DRI2_LOADER
, __DRI_DRI2_LOADER_VERSION
},
722 dri2FlushFrontBuffer
,
726 #ifdef __DRI_USE_INVALIDATE
727 static const __DRIuseInvalidateExtension dri2UseInvalidate
= {
728 { __DRI_USE_INVALIDATE
, __DRI_USE_INVALIDATE_VERSION
}
733 dri2InvalidateBuffers(Display
*dpy
, XID drawable
)
735 __GLXDRIdrawable
*pdraw
=
736 dri2GetGlxDrawableFromXDrawableId(dpy
, drawable
);
737 struct dri2_screen
*psc
;
738 struct dri2_drawable
*pdp
= (struct dri2_drawable
*) pdraw
;
743 psc
= (struct dri2_screen
*) pdraw
->psc
;
745 #if __DRI2_FLUSH_VERSION >= 3
746 if (pdraw
&& psc
->f
&& psc
->f
->base
.version
>= 3 && psc
->f
->invalidate
)
747 psc
->f
->invalidate(pdp
->driDrawable
);
752 dri2_bind_tex_image(Display
* dpy
,
753 GLXDrawable drawable
,
754 int buffer
, const int *attrib_list
)
756 struct glx_context
*gc
= __glXGetCurrentContext();
757 struct dri2_context
*pcp
= (struct dri2_context
*) gc
;
758 __GLXDRIdrawable
*base
= GetGLXDRIDrawable(dpy
, drawable
);
759 struct glx_display
*dpyPriv
= __glXInitialize(dpy
);
760 struct dri2_drawable
*pdraw
= (struct dri2_drawable
*) base
;
761 struct dri2_display
*pdp
=
762 (struct dri2_display
*) dpyPriv
->dri2Display
;
763 struct dri2_screen
*psc
;
766 psc
= (struct dri2_screen
*) base
->psc
;
768 #if __DRI2_FLUSH_VERSION >= 3
769 if (!pdp
->invalidateAvailable
&& psc
->f
&&
770 psc
->f
->base
.version
>= 3 && psc
->f
->invalidate
)
771 psc
->f
->invalidate(pdraw
->driDrawable
);
774 if (psc
->texBuffer
->base
.version
>= 2 &&
775 psc
->texBuffer
->setTexBuffer2
!= NULL
) {
776 (*psc
->texBuffer
->setTexBuffer2
) (pcp
->driContext
,
777 pdraw
->base
.textureTarget
,
778 pdraw
->base
.textureFormat
,
782 (*psc
->texBuffer
->setTexBuffer
) (pcp
->driContext
,
783 pdraw
->base
.textureTarget
,
790 dri2_release_tex_image(Display
* dpy
, GLXDrawable drawable
, int buffer
)
792 #if __DRI_TEX_BUFFER_VERSION >= 3
793 struct glx_context
*gc
= __glXGetCurrentContext();
794 struct dri2_context
*pcp
= (struct dri2_context
*) gc
;
795 __GLXDRIdrawable
*base
= GetGLXDRIDrawable(dpy
, drawable
);
796 struct glx_display
*dpyPriv
= __glXInitialize(dpy
);
797 struct dri2_drawable
*pdraw
= (struct dri2_drawable
*) base
;
798 struct dri2_display
*pdp
=
799 (struct dri2_display
*) dpyPriv
->dri2Display
;
800 struct dri2_screen
*psc
;
803 psc
= (struct dri2_screen
*) base
->psc
;
805 if (psc
->texBuffer
->base
.version
>= 3 &&
806 psc
->texBuffer
->releaseTexBuffer
!= NULL
) {
807 (*psc
->texBuffer
->releaseTexBuffer
) (pcp
->driContext
,
808 pdraw
->base
.textureTarget
,
815 static const struct glx_context_vtable dri2_context_vtable
= {
816 dri2_destroy_context
,
823 dri2_release_tex_image
,
824 NULL
, /* get_proc_address */
828 dri2BindExtensions(struct dri2_screen
*psc
, const __DRIextension
**extensions
)
832 __glXEnableDirectExtension(&psc
->base
, "GLX_SGI_video_sync");
833 __glXEnableDirectExtension(&psc
->base
, "GLX_SGI_swap_control");
834 __glXEnableDirectExtension(&psc
->base
, "GLX_MESA_swap_control");
835 __glXEnableDirectExtension(&psc
->base
, "GLX_SGI_make_current_read");
837 /* FIXME: if DRI2 version supports it... */
838 __glXEnableDirectExtension(&psc
->base
, "INTEL_swap_event");
840 for (i
= 0; extensions
[i
]; i
++) {
841 if ((strcmp(extensions
[i
]->name
, __DRI_TEX_BUFFER
) == 0)) {
842 psc
->texBuffer
= (__DRItexBufferExtension
*) extensions
[i
];
843 __glXEnableDirectExtension(&psc
->base
, "GLX_EXT_texture_from_pixmap");
846 if ((strcmp(extensions
[i
]->name
, __DRI2_FLUSH
) == 0)) {
847 psc
->f
= (__DRI2flushExtension
*) extensions
[i
];
848 /* internal driver extension, no GL extension exposed */
851 if ((strcmp(extensions
[i
]->name
, __DRI2_CONFIG_QUERY
) == 0))
852 psc
->config
= (__DRI2configQueryExtension
*) extensions
[i
];
854 if (((strcmp(extensions
[i
]->name
, __DRI2_THROTTLE
) == 0)))
855 psc
->throttle
= (__DRI2throttleExtension
*) extensions
[i
];
859 static const struct glx_screen_vtable dri2_screen_vtable
= {
863 static struct glx_screen
*
864 dri2CreateScreen(int screen
, struct glx_display
* priv
)
866 const __DRIconfig
**driver_configs
;
867 const __DRIextension
**extensions
;
868 const struct dri2_display
*const pdp
= (struct dri2_display
*)
870 struct dri2_screen
*psc
;
872 struct glx_config
*configs
= NULL
, *visuals
= NULL
;
873 char *driverName
, *deviceName
;
877 psc
= Xmalloc(sizeof *psc
);
881 memset(psc
, 0, sizeof *psc
);
884 if (!glx_screen_init(&psc
->base
, screen
, priv
)) {
889 if (!DRI2Connect(priv
->dpy
, RootWindow(priv
->dpy
, screen
),
890 &driverName
, &deviceName
)) {
891 glx_screen_cleanup(&psc
->base
);
893 InfoMessageF("screen %d does not appear to be DRI2 capable\n", screen
);
897 psc
->driver
= driOpenDriver(driverName
);
898 if (psc
->driver
== NULL
) {
899 ErrorMessageF("driver pointer missing\n");
903 extensions
= dlsym(psc
->driver
, __DRI_DRIVER_EXTENSIONS
);
904 if (extensions
== NULL
) {
905 ErrorMessageF("driver exports no extensions (%s)\n", dlerror());
909 for (i
= 0; extensions
[i
]; i
++) {
910 if (strcmp(extensions
[i
]->name
, __DRI_CORE
) == 0)
911 psc
->core
= (__DRIcoreExtension
*) extensions
[i
];
912 if (strcmp(extensions
[i
]->name
, __DRI_DRI2
) == 0)
913 psc
->dri2
= (__DRIdri2Extension
*) extensions
[i
];
916 if (psc
->core
== NULL
|| psc
->dri2
== NULL
) {
917 ErrorMessageF("core dri or dri2 extension not found\n");
921 psc
->fd
= open(deviceName
, O_RDWR
);
923 ErrorMessageF("failed to open drm device: %s\n", strerror(errno
));
927 if (drmGetMagic(psc
->fd
, &magic
)) {
928 ErrorMessageF("failed to get magic\n");
932 if (!DRI2Authenticate(priv
->dpy
, RootWindow(priv
->dpy
, screen
), magic
)) {
933 ErrorMessageF("failed to authenticate magic %d\n", magic
);
938 /* If the server does not support the protocol for
939 * DRI2GetBuffersWithFormat, don't supply that interface to the driver.
942 psc
->dri2
->createNewScreen(screen
, psc
->fd
,
943 (const __DRIextension
**)
944 &pdp
->loader_extensions
[0],
945 &driver_configs
, psc
);
947 if (psc
->driScreen
== NULL
) {
948 ErrorMessageF("failed to create dri screen\n");
952 extensions
= psc
->core
->getExtensions(psc
->driScreen
);
953 dri2BindExtensions(psc
, extensions
);
955 configs
= driConvertConfigs(psc
->core
, psc
->base
.configs
, driver_configs
);
956 visuals
= driConvertConfigs(psc
->core
, psc
->base
.visuals
, driver_configs
);
958 if (!configs
|| !visuals
)
961 glx_config_destroy_list(psc
->base
.configs
);
962 psc
->base
.configs
= configs
;
963 glx_config_destroy_list(psc
->base
.visuals
);
964 psc
->base
.visuals
= visuals
;
966 psc
->driver_configs
= driver_configs
;
968 psc
->base
.vtable
= &dri2_screen_vtable
;
970 psc
->base
.driScreen
= psp
;
971 psp
->destroyScreen
= dri2DestroyScreen
;
972 psp
->createDrawable
= dri2CreateDrawable
;
973 psp
->swapBuffers
= dri2SwapBuffers
;
974 psp
->getDrawableMSC
= NULL
;
975 psp
->waitForMSC
= NULL
;
976 psp
->waitForSBC
= NULL
;
977 psp
->setSwapInterval
= NULL
;
978 psp
->getSwapInterval
= NULL
;
980 if (pdp
->driMinor
>= 2) {
982 psp
->getDrawableMSC
= dri2DrawableGetMSC
;
985 psp
->waitForMSC
= dri2WaitForMSC
;
986 psp
->waitForSBC
= dri2WaitForSBC
;
988 #ifdef X_DRI2SwapInterval
989 psp
->setSwapInterval
= dri2SetSwapInterval
;
990 psp
->getSwapInterval
= dri2GetSwapInterval
;
992 #if defined(X_DRI2GetMSC) && defined(X_DRI2WaitMSC) && defined(X_DRI2SwapInterval)
993 __glXEnableDirectExtension(&psc
->base
, "GLX_OML_sync_control");
997 /* DRI2 suports SubBuffer through DRI2CopyRegion, so it's always
999 psp
->copySubBuffer
= dri2CopySubBuffer
;
1000 __glXEnableDirectExtension(&psc
->base
, "GLX_MESA_copy_sub_buffer");
1009 glx_config_destroy_list(configs
);
1011 glx_config_destroy_list(visuals
);
1013 psc
->core
->destroyScreen(psc
->driScreen
);
1014 psc
->driScreen
= NULL
;
1018 dlclose(psc
->driver
);
1022 glx_screen_cleanup(&psc
->base
);
1028 /* Called from __glXFreeDisplayPrivate.
1031 dri2DestroyDisplay(__GLXDRIdisplay
* dpy
)
1033 struct dri2_display
*pdp
= (struct dri2_display
*) dpy
;
1035 __glxHashDestroy(pdp
->dri2Hash
);
1039 _X_HIDDEN __GLXDRIdrawable
*
1040 dri2GetGlxDrawableFromXDrawableId(Display
*dpy
, XID id
)
1042 struct glx_display
*d
= __glXInitialize(dpy
);
1043 struct dri2_display
*pdp
= (struct dri2_display
*) d
->dri2Display
;
1044 __GLXDRIdrawable
*pdraw
;
1046 if (__glxHashLookup(pdp
->dri2Hash
, id
, (void *) &pdraw
) == 0)
1053 * Allocate, initialize and return a __DRIdisplayPrivate object.
1054 * This is called from __glXInitialize() when we are given a new
1057 _X_HIDDEN __GLXDRIdisplay
*
1058 dri2CreateDisplay(Display
* dpy
)
1060 struct dri2_display
*pdp
;
1061 int eventBase
, errorBase
, i
;
1063 if (!DRI2QueryExtension(dpy
, &eventBase
, &errorBase
))
1066 pdp
= Xmalloc(sizeof *pdp
);
1070 if (!DRI2QueryVersion(dpy
, &pdp
->driMajor
, &pdp
->driMinor
)) {
1076 pdp
->swapAvailable
= (pdp
->driMinor
>= 2);
1077 pdp
->invalidateAvailable
= (pdp
->driMinor
>= 3);
1079 pdp
->base
.destroyDisplay
= dri2DestroyDisplay
;
1080 pdp
->base
.createScreen
= dri2CreateScreen
;
1083 if (pdp
->driMinor
< 1)
1084 pdp
->loader_extensions
[i
++] = &dri2LoaderExtension_old
.base
;
1086 pdp
->loader_extensions
[i
++] = &dri2LoaderExtension
.base
;
1088 pdp
->loader_extensions
[i
++] = &systemTimeExtension
.base
;
1090 #ifdef __DRI_USE_INVALIDATE
1091 pdp
->loader_extensions
[i
++] = &dri2UseInvalidate
.base
;
1093 pdp
->loader_extensions
[i
++] = NULL
;
1095 pdp
->dri2Hash
= __glxHashCreate();
1096 if (pdp
->dri2Hash
== NULL
) {
1104 #endif /* GLX_DIRECT_RENDERING */