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
;
142 pdraw
= (struct dri2_drawable
*) driFetchDrawable(context
, draw
);
143 pread
= (struct dri2_drawable
*) driFetchDrawable(context
, read
);
145 if (pdraw
== NULL
|| pread
== NULL
)
146 return GLXBadDrawable
;
148 if ((*psc
->core
->bindContext
) (pcp
->driContext
,
149 pdraw
->driDrawable
, pread
->driDrawable
))
152 return GLXBadContext
;
156 dri2_unbind_context(struct glx_context
*context
, struct glx_context
*new)
158 struct dri2_context
*pcp
= (struct dri2_context
*) context
;
159 struct dri2_screen
*psc
= (struct dri2_screen
*) pcp
->base
.psc
;
161 (*psc
->core
->unbindContext
) (pcp
->driContext
);
164 driReleaseDrawables(&pcp
->base
);
167 static struct glx_context
*
168 dri2_create_context(struct glx_screen
*base
,
169 struct glx_config
*config_base
,
170 struct glx_context
*shareList
, int renderType
)
172 struct dri2_context
*pcp
, *pcp_shared
;
173 struct dri2_screen
*psc
= (struct dri2_screen
*) base
;
174 __GLXDRIconfigPrivate
*config
= (__GLXDRIconfigPrivate
*) config_base
;
175 __DRIcontext
*shared
= NULL
;
178 pcp_shared
= (struct dri2_context
*) shareList
;
179 shared
= pcp_shared
->driContext
;
182 pcp
= Xmalloc(sizeof *pcp
);
186 memset(pcp
, 0, sizeof *pcp
);
187 if (!glx_context_init(&pcp
->base
, &psc
->base
, &config
->base
)) {
193 (*psc
->dri2
->createNewContext
) (psc
->driScreen
,
194 config
->driConfig
, shared
, pcp
);
196 if (pcp
->driContext
== NULL
) {
201 pcp
->base
.vtable
= &dri2_context_vtable
;
207 dri2DestroyDrawable(__GLXDRIdrawable
*base
)
209 struct dri2_screen
*psc
= (struct dri2_screen
*) base
->psc
;
210 struct dri2_drawable
*pdraw
= (struct dri2_drawable
*) base
;
211 struct glx_display
*dpyPriv
= psc
->base
.display
;
212 struct dri2_display
*pdp
= (struct dri2_display
*)dpyPriv
->dri2Display
;
214 __glxHashDelete(pdp
->dri2Hash
, pdraw
->base
.xDrawable
);
215 (*psc
->core
->destroyDrawable
) (pdraw
->driDrawable
);
217 /* If it's a GLX 1.3 drawables, we can destroy the DRI2 drawable
218 * now, as the application explicitly asked to destroy the GLX
219 * drawable. Otherwise, for legacy drawables, we let the DRI2
220 * drawable linger on the server, since there's no good way of
221 * knowing when the application is done with it. The server will
222 * destroy the DRI2 drawable when it destroys the X drawable or the
223 * client exits anyway. */
224 if (pdraw
->base
.xDrawable
!= pdraw
->base
.drawable
)
225 DRI2DestroyDrawable(psc
->base
.dpy
, pdraw
->base
.xDrawable
);
230 static __GLXDRIdrawable
*
231 dri2CreateDrawable(struct glx_screen
*base
, XID xDrawable
,
232 GLXDrawable drawable
, struct glx_config
*config_base
)
234 struct dri2_drawable
*pdraw
;
235 struct dri2_screen
*psc
= (struct dri2_screen
*) base
;
236 __GLXDRIconfigPrivate
*config
= (__GLXDRIconfigPrivate
*) config_base
;
237 struct glx_display
*dpyPriv
;
238 struct dri2_display
*pdp
;
239 GLint vblank_mode
= DRI_CONF_VBLANK_DEF_INTERVAL_1
;
241 pdraw
= Xmalloc(sizeof(*pdraw
));
245 memset(pdraw
, 0, sizeof *pdraw
);
246 pdraw
->base
.destroyDrawable
= dri2DestroyDrawable
;
247 pdraw
->base
.xDrawable
= xDrawable
;
248 pdraw
->base
.drawable
= drawable
;
249 pdraw
->base
.psc
= &psc
->base
;
250 pdraw
->bufferCount
= 0;
251 pdraw
->swap_interval
= 1; /* default may be overridden below */
252 pdraw
->have_back
= 0;
255 psc
->config
->configQueryi(psc
->driScreen
,
256 "vblank_mode", &vblank_mode
);
258 switch (vblank_mode
) {
259 case DRI_CONF_VBLANK_NEVER
:
260 case DRI_CONF_VBLANK_DEF_INTERVAL_0
:
261 pdraw
->swap_interval
= 0;
263 case DRI_CONF_VBLANK_DEF_INTERVAL_1
:
264 case DRI_CONF_VBLANK_ALWAYS_SYNC
:
266 pdraw
->swap_interval
= 1;
270 DRI2CreateDrawable(psc
->base
.dpy
, xDrawable
);
272 dpyPriv
= __glXInitialize(psc
->base
.dpy
);
273 pdp
= (struct dri2_display
*)dpyPriv
->dri2Display
;;
274 /* Create a new drawable */
276 (*psc
->dri2
->createNewDrawable
) (psc
->driScreen
,
277 config
->driConfig
, pdraw
);
279 if (!pdraw
->driDrawable
) {
280 DRI2DestroyDrawable(psc
->base
.dpy
, xDrawable
);
285 if (__glxHashInsert(pdp
->dri2Hash
, xDrawable
, pdraw
)) {
286 (*psc
->core
->destroyDrawable
) (pdraw
->driDrawable
);
287 DRI2DestroyDrawable(psc
->base
.dpy
, xDrawable
);
293 #ifdef X_DRI2SwapInterval
295 * Make sure server has the same swap interval we do for the new
298 if (pdp
->swapAvailable
)
299 DRI2SwapInterval(psc
->base
.dpy
, xDrawable
, pdraw
->swap_interval
);
308 dri2DrawableGetMSC(struct glx_screen
*psc
, __GLXDRIdrawable
*pdraw
,
309 int64_t *ust
, int64_t *msc
, int64_t *sbc
)
311 CARD64 dri2_ust
, dri2_msc
, dri2_sbc
;
314 ret
= DRI2GetMSC(psc
->dpy
, pdraw
->xDrawable
,
315 &dri2_ust
, &dri2_msc
, &dri2_sbc
);
329 dri2WaitForMSC(__GLXDRIdrawable
*pdraw
, int64_t target_msc
, int64_t divisor
,
330 int64_t remainder
, int64_t *ust
, int64_t *msc
, int64_t *sbc
)
332 CARD64 dri2_ust
, dri2_msc
, dri2_sbc
;
335 ret
= DRI2WaitMSC(pdraw
->psc
->dpy
, pdraw
->xDrawable
, target_msc
, divisor
,
336 remainder
, &dri2_ust
, &dri2_msc
, &dri2_sbc
);
345 dri2WaitForSBC(__GLXDRIdrawable
*pdraw
, int64_t target_sbc
, int64_t *ust
,
346 int64_t *msc
, int64_t *sbc
)
348 CARD64 dri2_ust
, dri2_msc
, dri2_sbc
;
351 ret
= DRI2WaitSBC(pdraw
->psc
->dpy
, pdraw
->xDrawable
,
352 target_sbc
, &dri2_ust
, &dri2_msc
, &dri2_sbc
);
360 #endif /* X_DRI2WaitMSC */
363 dri2CopySubBuffer(__GLXDRIdrawable
*pdraw
, int x
, int y
, int width
, int height
)
365 struct dri2_drawable
*priv
= (struct dri2_drawable
*) pdraw
;
366 struct dri2_screen
*psc
= (struct dri2_screen
*) pdraw
->psc
;
368 XserverRegion region
;
370 /* Check we have the right attachments */
371 if (!priv
->have_back
)
375 xrect
.y
= priv
->height
- y
- height
;
377 xrect
.height
= height
;
381 (*psc
->f
->flush
) (priv
->driDrawable
);
384 region
= XFixesCreateRegion(psc
->base
.dpy
, &xrect
, 1);
385 DRI2CopyRegion(psc
->base
.dpy
, pdraw
->xDrawable
, region
,
386 DRI2BufferFrontLeft
, DRI2BufferBackLeft
);
388 /* Refresh the fake front (if present) after we just damaged the real
391 if (priv
->have_fake_front
)
392 DRI2CopyRegion(psc
->base
.dpy
, pdraw
->xDrawable
, region
,
393 DRI2BufferFakeFrontLeft
, DRI2BufferFrontLeft
);
395 XFixesDestroyRegion(psc
->base
.dpy
, region
);
399 dri2_copy_drawable(struct dri2_drawable
*priv
, int dest
, int src
)
402 XserverRegion region
;
403 struct dri2_screen
*psc
= (struct dri2_screen
*) priv
->base
.psc
;
407 xrect
.width
= priv
->width
;
408 xrect
.height
= priv
->height
;
412 (*psc
->f
->flush
) (priv
->driDrawable
);
415 region
= XFixesCreateRegion(psc
->base
.dpy
, &xrect
, 1);
416 DRI2CopyRegion(psc
->base
.dpy
, priv
->base
.xDrawable
, region
, dest
, src
);
417 XFixesDestroyRegion(psc
->base
.dpy
, region
);
422 dri2_wait_x(struct glx_context
*gc
)
424 struct dri2_drawable
*priv
= (struct dri2_drawable
*)
425 GetGLXDRIDrawable(gc
->currentDpy
, gc
->currentDrawable
);
427 if (priv
== NULL
|| !priv
->have_fake_front
)
430 dri2_copy_drawable(priv
, DRI2BufferFakeFrontLeft
, DRI2BufferFrontLeft
);
434 dri2_wait_gl(struct glx_context
*gc
)
436 struct dri2_drawable
*priv
= (struct dri2_drawable
*)
437 GetGLXDRIDrawable(gc
->currentDpy
, gc
->currentDrawable
);
439 if (priv
== NULL
|| !priv
->have_fake_front
)
442 dri2_copy_drawable(priv
, DRI2BufferFrontLeft
, DRI2BufferFakeFrontLeft
);
446 dri2FlushFrontBuffer(__DRIdrawable
*driDrawable
, void *loaderPrivate
)
448 struct dri2_drawable
*pdraw
= loaderPrivate
;
449 struct glx_display
*priv
= __glXInitialize(pdraw
->base
.psc
->dpy
);
450 struct dri2_display
*pdp
= (struct dri2_display
*)priv
->dri2Display
;
451 struct glx_context
*gc
= __glXGetCurrentContext();
453 /* Old servers don't send invalidate events */
454 if (!pdp
->invalidateAvailable
)
455 dri2InvalidateBuffers(priv
->dpy
, pdraw
->base
.xDrawable
);
462 dri2DestroyScreen(struct glx_screen
*base
)
464 struct dri2_screen
*psc
= (struct dri2_screen
*) base
;
466 /* Free the direct rendering per screen data */
467 (*psc
->core
->destroyScreen
) (psc
->driScreen
);
468 driDestroyConfigs(psc
->driver_configs
);
474 * Process list of buffer received from the server
476 * Processes the list of buffers received in a reply from the server to either
477 * \c DRI2GetBuffers or \c DRI2GetBuffersWithFormat.
480 process_buffers(struct dri2_drawable
* pdraw
, DRI2Buffer
* buffers
,
485 pdraw
->bufferCount
= count
;
486 pdraw
->have_fake_front
= 0;
487 pdraw
->have_back
= 0;
489 /* This assumes the DRI2 buffer attachment tokens matches the
490 * __DRIbuffer tokens. */
491 for (i
= 0; i
< count
; i
++) {
492 pdraw
->buffers
[i
].attachment
= buffers
[i
].attachment
;
493 pdraw
->buffers
[i
].name
= buffers
[i
].name
;
494 pdraw
->buffers
[i
].pitch
= buffers
[i
].pitch
;
495 pdraw
->buffers
[i
].cpp
= buffers
[i
].cpp
;
496 pdraw
->buffers
[i
].flags
= buffers
[i
].flags
;
497 if (pdraw
->buffers
[i
].attachment
== __DRI_BUFFER_FAKE_FRONT_LEFT
)
498 pdraw
->have_fake_front
= 1;
499 if (pdraw
->buffers
[i
].attachment
== __DRI_BUFFER_BACK_LEFT
)
500 pdraw
->have_back
= 1;
506 dri2SwapBuffers(__GLXDRIdrawable
*pdraw
, int64_t target_msc
, int64_t divisor
,
509 struct dri2_drawable
*priv
= (struct dri2_drawable
*) pdraw
;
510 struct glx_display
*dpyPriv
= __glXInitialize(priv
->base
.psc
->dpy
);
511 struct dri2_screen
*psc
= (struct dri2_screen
*) priv
->base
.psc
;
512 struct dri2_display
*pdp
=
513 (struct dri2_display
*)dpyPriv
->dri2Display
;
518 (*psc
->f
->flush
)(priv
->driDrawable
);
521 /* Old servers don't send invalidate events */
522 if (!pdp
->invalidateAvailable
)
523 dri2InvalidateBuffers(dpyPriv
->dpy
, pdraw
->xDrawable
);
525 /* Old servers can't handle swapbuffers */
526 if (!pdp
->swapAvailable
) {
527 dri2CopySubBuffer(pdraw
, 0, 0, priv
->width
, priv
->height
);
531 #ifdef X_DRI2SwapBuffers
532 DRI2SwapBuffers(psc
->base
.dpy
, pdraw
->xDrawable
, target_msc
, divisor
,
540 dri2GetBuffers(__DRIdrawable
* driDrawable
,
541 int *width
, int *height
,
542 unsigned int *attachments
, int count
,
543 int *out_count
, void *loaderPrivate
)
545 struct dri2_drawable
*pdraw
= loaderPrivate
;
548 buffers
= DRI2GetBuffers(pdraw
->base
.psc
->dpy
, pdraw
->base
.xDrawable
,
549 width
, height
, attachments
, count
, out_count
);
553 pdraw
->width
= *width
;
554 pdraw
->height
= *height
;
555 process_buffers(pdraw
, buffers
, *out_count
);
559 return pdraw
->buffers
;
563 dri2GetBuffersWithFormat(__DRIdrawable
* driDrawable
,
564 int *width
, int *height
,
565 unsigned int *attachments
, int count
,
566 int *out_count
, void *loaderPrivate
)
568 struct dri2_drawable
*pdraw
= loaderPrivate
;
571 buffers
= DRI2GetBuffersWithFormat(pdraw
->base
.psc
->dpy
,
572 pdraw
->base
.xDrawable
,
573 width
, height
, attachments
,
578 pdraw
->width
= *width
;
579 pdraw
->height
= *height
;
580 process_buffers(pdraw
, buffers
, *out_count
);
584 return pdraw
->buffers
;
587 #ifdef X_DRI2SwapInterval
590 dri2SetSwapInterval(__GLXDRIdrawable
*pdraw
, int interval
)
592 struct dri2_drawable
*priv
= (struct dri2_drawable
*) pdraw
;
593 GLint vblank_mode
= DRI_CONF_VBLANK_DEF_INTERVAL_1
;
594 struct dri2_screen
*psc
= (struct dri2_screen
*) priv
->base
.psc
;
597 psc
->config
->configQueryi(psc
->driScreen
,
598 "vblank_mode", &vblank_mode
);
600 switch (vblank_mode
) {
601 case DRI_CONF_VBLANK_NEVER
:
602 return GLX_BAD_VALUE
;
603 case DRI_CONF_VBLANK_ALWAYS_SYNC
:
605 return GLX_BAD_VALUE
;
611 DRI2SwapInterval(priv
->base
.psc
->dpy
, priv
->base
.xDrawable
, interval
);
612 priv
->swap_interval
= interval
;
618 dri2GetSwapInterval(__GLXDRIdrawable
*pdraw
)
620 struct dri2_drawable
*priv
= (struct dri2_drawable
*) pdraw
;
622 return priv
->swap_interval
;
625 #endif /* X_DRI2SwapInterval */
627 static const __DRIdri2LoaderExtension dri2LoaderExtension
= {
628 {__DRI_DRI2_LOADER
, __DRI_DRI2_LOADER_VERSION
},
630 dri2FlushFrontBuffer
,
631 dri2GetBuffersWithFormat
,
634 static const __DRIdri2LoaderExtension dri2LoaderExtension_old
= {
635 {__DRI_DRI2_LOADER
, __DRI_DRI2_LOADER_VERSION
},
637 dri2FlushFrontBuffer
,
641 #ifdef __DRI_USE_INVALIDATE
642 static const __DRIuseInvalidateExtension dri2UseInvalidate
= {
643 { __DRI_USE_INVALIDATE
, __DRI_USE_INVALIDATE_VERSION
}
648 dri2InvalidateBuffers(Display
*dpy
, XID drawable
)
650 __GLXDRIdrawable
*pdraw
=
651 dri2GetGlxDrawableFromXDrawableId(dpy
, drawable
);
652 struct dri2_screen
*psc
= (struct dri2_screen
*) pdraw
->psc
;
653 struct dri2_drawable
*pdp
= (struct dri2_drawable
*) pdraw
;
655 #if __DRI2_FLUSH_VERSION >= 3
657 psc
->f
->invalidate(pdp
->driDrawable
);
662 dri2_bind_tex_image(Display
* dpy
,
663 GLXDrawable drawable
,
664 int buffer
, const int *attrib_list
)
666 struct glx_context
*gc
= __glXGetCurrentContext();
667 struct dri2_context
*pcp
= (struct dri2_context
*) gc
;
668 __GLXDRIdrawable
*base
= GetGLXDRIDrawable(dpy
, drawable
);
669 struct glx_display
*dpyPriv
= __glXInitialize(dpy
);
670 struct dri2_drawable
*pdraw
= (struct dri2_drawable
*) base
;
671 struct dri2_display
*pdp
=
672 (struct dri2_display
*) dpyPriv
->dri2Display
;
673 struct dri2_screen
*psc
;
676 psc
= (struct dri2_screen
*) base
->psc
;
678 #if __DRI2_FLUSH_VERSION >= 3
679 if (!pdp
->invalidateAvailable
&& psc
->f
)
680 psc
->f
->invalidate(pdraw
->driDrawable
);
683 if (psc
->texBuffer
->base
.version
>= 2 &&
684 psc
->texBuffer
->setTexBuffer2
!= NULL
) {
685 (*psc
->texBuffer
->setTexBuffer2
) (pcp
->driContext
,
686 pdraw
->base
.textureTarget
,
687 pdraw
->base
.textureFormat
,
691 (*psc
->texBuffer
->setTexBuffer
) (pcp
->driContext
,
692 pdraw
->base
.textureTarget
,
699 dri2_release_tex_image(Display
* dpy
, GLXDrawable drawable
, int buffer
)
703 static const struct glx_context_vtable dri2_context_vtable
= {
704 dri2_destroy_context
,
711 dri2_release_tex_image
,
715 dri2BindExtensions(struct dri2_screen
*psc
, const __DRIextension
**extensions
)
719 __glXEnableDirectExtension(&psc
->base
, "GLX_SGI_video_sync");
720 __glXEnableDirectExtension(&psc
->base
, "GLX_SGI_swap_control");
721 __glXEnableDirectExtension(&psc
->base
, "GLX_MESA_swap_control");
722 __glXEnableDirectExtension(&psc
->base
, "GLX_SGI_make_current_read");
724 /* FIXME: if DRI2 version supports it... */
725 __glXEnableDirectExtension(&psc
->base
, "INTEL_swap_event");
727 for (i
= 0; extensions
[i
]; i
++) {
728 if ((strcmp(extensions
[i
]->name
, __DRI_TEX_BUFFER
) == 0)) {
729 psc
->texBuffer
= (__DRItexBufferExtension
*) extensions
[i
];
730 __glXEnableDirectExtension(&psc
->base
, "GLX_EXT_texture_from_pixmap");
733 if ((strcmp(extensions
[i
]->name
, __DRI2_FLUSH
) == 0)) {
734 psc
->f
= (__DRI2flushExtension
*) extensions
[i
];
735 /* internal driver extension, no GL extension exposed */
738 if ((strcmp(extensions
[i
]->name
, __DRI2_CONFIG_QUERY
) == 0))
739 psc
->config
= (__DRI2configQueryExtension
*) extensions
[i
];
743 static const struct glx_screen_vtable dri2_screen_vtable
= {
747 static struct glx_screen
*
748 dri2CreateScreen(int screen
, struct glx_display
* priv
)
750 const __DRIconfig
**driver_configs
;
751 const __DRIextension
**extensions
;
752 const struct dri2_display
*const pdp
= (struct dri2_display
*)
754 struct dri2_screen
*psc
;
756 char *driverName
, *deviceName
;
760 psc
= Xmalloc(sizeof *psc
);
764 memset(psc
, 0, sizeof *psc
);
765 if (!glx_screen_init(&psc
->base
, screen
, priv
))
768 if (!DRI2Connect(priv
->dpy
, RootWindow(priv
->dpy
, screen
),
769 &driverName
, &deviceName
)) {
774 psc
->driver
= driOpenDriver(driverName
);
775 if (psc
->driver
== NULL
) {
776 ErrorMessageF("driver pointer missing\n");
780 extensions
= dlsym(psc
->driver
, __DRI_DRIVER_EXTENSIONS
);
781 if (extensions
== NULL
) {
782 ErrorMessageF("driver exports no extensions (%s)\n", dlerror());
786 for (i
= 0; extensions
[i
]; i
++) {
787 if (strcmp(extensions
[i
]->name
, __DRI_CORE
) == 0)
788 psc
->core
= (__DRIcoreExtension
*) extensions
[i
];
789 if (strcmp(extensions
[i
]->name
, __DRI_DRI2
) == 0)
790 psc
->dri2
= (__DRIdri2Extension
*) extensions
[i
];
793 if (psc
->core
== NULL
|| psc
->dri2
== NULL
) {
794 ErrorMessageF("core dri or dri2 extension not found\n");
798 psc
->fd
= open(deviceName
, O_RDWR
);
800 ErrorMessageF("failed to open drm device: %s\n", strerror(errno
));
804 if (drmGetMagic(psc
->fd
, &magic
)) {
805 ErrorMessageF("failed to get magic\n");
809 if (!DRI2Authenticate(priv
->dpy
, RootWindow(priv
->dpy
, screen
), magic
)) {
810 ErrorMessageF("failed to authenticate magic %d\n", magic
);
815 /* If the server does not support the protocol for
816 * DRI2GetBuffersWithFormat, don't supply that interface to the driver.
819 psc
->dri2
->createNewScreen(screen
, psc
->fd
,
820 (const __DRIextension
**)
821 &pdp
->loader_extensions
[0],
822 &driver_configs
, psc
);
824 if (psc
->driScreen
== NULL
) {
825 ErrorMessageF("failed to create dri screen\n");
829 extensions
= psc
->core
->getExtensions(psc
->driScreen
);
830 dri2BindExtensions(psc
, extensions
);
833 driConvertConfigs(psc
->core
, psc
->base
.configs
, driver_configs
);
835 driConvertConfigs(psc
->core
, psc
->base
.visuals
, driver_configs
);
837 psc
->driver_configs
= driver_configs
;
839 psc
->base
.vtable
= &dri2_screen_vtable
;
841 psc
->base
.driScreen
= psp
;
842 psp
->destroyScreen
= dri2DestroyScreen
;
843 psp
->createDrawable
= dri2CreateDrawable
;
844 psp
->swapBuffers
= dri2SwapBuffers
;
845 psp
->getDrawableMSC
= NULL
;
846 psp
->waitForMSC
= NULL
;
847 psp
->waitForSBC
= NULL
;
848 psp
->setSwapInterval
= NULL
;
849 psp
->getSwapInterval
= NULL
;
851 if (pdp
->driMinor
>= 2) {
853 psp
->getDrawableMSC
= dri2DrawableGetMSC
;
856 psp
->waitForMSC
= dri2WaitForMSC
;
857 psp
->waitForSBC
= dri2WaitForSBC
;
859 #ifdef X_DRI2SwapInterval
860 psp
->setSwapInterval
= dri2SetSwapInterval
;
861 psp
->getSwapInterval
= dri2GetSwapInterval
;
863 #if defined(X_DRI2GetMSC) && defined(X_DRI2WaitMSC) && defined(X_DRI2SwapInterval)
864 __glXEnableDirectExtension(&psc
->base
, "GLX_OML_sync_control");
868 /* DRI2 suports SubBuffer through DRI2CopyRegion, so it's always
870 psp
->copySubBuffer
= dri2CopySubBuffer
;
871 __glXEnableDirectExtension(&psc
->base
, "GLX_MESA_copy_sub_buffer");
883 /* FIXME: clean up here */
888 /* Called from __glXFreeDisplayPrivate.
891 dri2DestroyDisplay(__GLXDRIdisplay
* dpy
)
896 _X_HIDDEN __GLXDRIdrawable
*
897 dri2GetGlxDrawableFromXDrawableId(Display
*dpy
, XID id
)
899 struct glx_display
*d
= __glXInitialize(dpy
);
900 struct dri2_display
*pdp
= (struct dri2_display
*) d
->dri2Display
;
901 __GLXDRIdrawable
*pdraw
;
903 if (__glxHashLookup(pdp
->dri2Hash
, id
, (void *) &pdraw
) == 0)
910 * Allocate, initialize and return a __DRIdisplayPrivate object.
911 * This is called from __glXInitialize() when we are given a new
914 _X_HIDDEN __GLXDRIdisplay
*
915 dri2CreateDisplay(Display
* dpy
)
917 struct dri2_display
*pdp
;
918 int eventBase
, errorBase
, i
;
920 if (!DRI2QueryExtension(dpy
, &eventBase
, &errorBase
))
923 pdp
= Xmalloc(sizeof *pdp
);
927 if (!DRI2QueryVersion(dpy
, &pdp
->driMajor
, &pdp
->driMinor
)) {
933 pdp
->swapAvailable
= (pdp
->driMinor
>= 2);
934 pdp
->invalidateAvailable
= (pdp
->driMinor
>= 3);
936 pdp
->base
.destroyDisplay
= dri2DestroyDisplay
;
937 pdp
->base
.createScreen
= dri2CreateScreen
;
940 if (pdp
->driMinor
< 1)
941 pdp
->loader_extensions
[i
++] = &dri2LoaderExtension_old
.base
;
943 pdp
->loader_extensions
[i
++] = &dri2LoaderExtension
.base
;
945 pdp
->loader_extensions
[i
++] = &systemTimeExtension
.base
;
947 #ifdef __DRI_USE_INVALIDATE
948 pdp
->loader_extensions
[i
++] = &dri2UseInvalidate
.base
;
950 pdp
->loader_extensions
[i
++] = NULL
;
952 pdp
->dri2Hash
= __glxHashCreate();
953 if (pdp
->dri2Hash
== NULL
) {
961 #endif /* GLX_DIRECT_RENDERING */