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 __GLXscreenConfigs 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
;
97 __DRIcontext
*driContext
;
98 __GLXscreenConfigs
*psc
;
103 __GLXDRIdrawable base
;
104 __DRIdrawable
*driDrawable
;
105 __DRIbuffer buffers
[5];
114 dri2DestroyContext(__GLXDRIcontext
*context
,
115 __GLXscreenConfigs
*base
, Display
*dpy
)
117 struct dri2_context
*pcp
= (struct dri2_context
*) context
;
118 struct dri2_screen
*psc
= (struct dri2_screen
*) base
;
120 (*psc
->core
->destroyContext
) (pcp
->driContext
);
126 dri2BindContext(__GLXDRIcontext
*context
,
127 __GLXDRIdrawable
*draw
, __GLXDRIdrawable
*read
)
129 struct dri2_context
*pcp
= (struct dri2_context
*) context
;
130 struct dri2_screen
*psc
= (struct dri2_screen
*) pcp
->psc
;
131 struct dri2_drawable
*pdr
= (struct dri2_drawable
*) draw
;
132 struct dri2_drawable
*prd
= (struct dri2_drawable
*) read
;
134 return (*psc
->core
->bindContext
) (pcp
->driContext
,
135 pdr
->driDrawable
, prd
->driDrawable
);
139 dri2UnbindContext(__GLXDRIcontext
*context
)
141 struct dri2_context
*pcp
= (struct dri2_context
*) context
;
142 struct dri2_screen
*psc
= (struct dri2_screen
*) pcp
->psc
;
144 (*psc
->core
->unbindContext
) (pcp
->driContext
);
147 static __GLXDRIcontext
*
148 dri2CreateContext(__GLXscreenConfigs
*base
,
149 const __GLcontextModes
* mode
,
150 GLXContext gc
, GLXContext shareList
, int renderType
)
152 struct dri2_context
*pcp
, *pcp_shared
;
153 struct dri2_screen
*psc
= (struct dri2_screen
*) base
;
154 __GLXDRIconfigPrivate
*config
= (__GLXDRIconfigPrivate
*) mode
;
155 __DRIcontext
*shared
= NULL
;
158 pcp_shared
= (struct dri2_context
*) shareList
->driContext
;
159 shared
= pcp_shared
->driContext
;
162 pcp
= Xmalloc(sizeof *pcp
);
166 pcp
->psc
= &psc
->base
;
168 (*psc
->dri2
->createNewContext
) (psc
->driScreen
,
169 config
->driConfig
, shared
, pcp
);
170 gc
->__driContext
= pcp
->driContext
;
172 if (pcp
->driContext
== NULL
) {
177 pcp
->base
.destroyContext
= dri2DestroyContext
;
178 pcp
->base
.bindContext
= dri2BindContext
;
179 pcp
->base
.unbindContext
= dri2UnbindContext
;
185 dri2DestroyDrawable(__GLXDRIdrawable
*base
)
187 struct dri2_screen
*psc
= (struct dri2_screen
*) base
->psc
;
188 struct dri2_drawable
*pdraw
= (struct dri2_drawable
*) base
;
189 __GLXdisplayPrivate
*dpyPriv
= psc
->base
.display
;
190 struct dri2_display
*pdp
= (struct dri2_display
*)dpyPriv
->dri2Display
;
192 __glxHashDelete(pdp
->dri2Hash
, pdraw
->base
.xDrawable
);
193 (*psc
->core
->destroyDrawable
) (pdraw
->driDrawable
);
194 DRI2DestroyDrawable(psc
->base
.dpy
, pdraw
->base
.xDrawable
);
198 static __GLXDRIdrawable
*
199 dri2CreateDrawable(__GLXscreenConfigs
*base
, XID xDrawable
,
200 GLXDrawable drawable
, const __GLcontextModes
* modes
)
202 struct dri2_drawable
*pdraw
;
203 struct dri2_screen
*psc
= (struct dri2_screen
*) base
;
204 __GLXDRIconfigPrivate
*config
= (__GLXDRIconfigPrivate
*) modes
;
205 __GLXdisplayPrivate
*dpyPriv
;
206 struct dri2_display
*pdp
;
207 GLint vblank_mode
= DRI_CONF_VBLANK_DEF_INTERVAL_1
;
209 pdraw
= Xmalloc(sizeof(*pdraw
));
213 pdraw
->base
.destroyDrawable
= dri2DestroyDrawable
;
214 pdraw
->base
.xDrawable
= xDrawable
;
215 pdraw
->base
.drawable
= drawable
;
216 pdraw
->base
.psc
= &psc
->base
;
217 pdraw
->bufferCount
= 0;
218 pdraw
->swap_interval
= 1; /* default may be overridden below */
219 pdraw
->have_back
= 0;
222 psc
->config
->configQueryi(psc
->driScreen
,
223 "vblank_mode", &vblank_mode
);
225 switch (vblank_mode
) {
226 case DRI_CONF_VBLANK_NEVER
:
227 case DRI_CONF_VBLANK_DEF_INTERVAL_0
:
228 pdraw
->swap_interval
= 0;
230 case DRI_CONF_VBLANK_DEF_INTERVAL_1
:
231 case DRI_CONF_VBLANK_ALWAYS_SYNC
:
233 pdraw
->swap_interval
= 1;
237 DRI2CreateDrawable(psc
->base
.dpy
, xDrawable
);
239 dpyPriv
= __glXInitialize(psc
->base
.dpy
);
240 pdp
= (struct dri2_display
*)dpyPriv
->dri2Display
;;
241 /* Create a new drawable */
243 (*psc
->dri2
->createNewDrawable
) (psc
->driScreen
,
244 config
->driConfig
, pdraw
);
246 if (!pdraw
->driDrawable
) {
247 DRI2DestroyDrawable(psc
->base
.dpy
, xDrawable
);
252 if (__glxHashInsert(pdp
->dri2Hash
, xDrawable
, pdraw
)) {
253 (*psc
->core
->destroyDrawable
) (pdraw
->driDrawable
);
254 DRI2DestroyDrawable(psc
->base
.dpy
, xDrawable
);
260 #ifdef X_DRI2SwapInterval
262 * Make sure server has the same swap interval we do for the new
265 if (pdp
->swapAvailable
)
266 DRI2SwapInterval(psc
->base
.dpy
, xDrawable
, pdraw
->swap_interval
);
275 dri2DrawableGetMSC(__GLXscreenConfigs
*psc
, __GLXDRIdrawable
*pdraw
,
276 int64_t *ust
, int64_t *msc
, int64_t *sbc
)
278 CARD64 dri2_ust
, dri2_msc
, dri2_sbc
;
281 ret
= DRI2GetMSC(psc
->dpy
, pdraw
->xDrawable
,
282 &dri2_ust
, &dri2_msc
, &dri2_sbc
);
296 dri2WaitForMSC(__GLXDRIdrawable
*pdraw
, int64_t target_msc
, int64_t divisor
,
297 int64_t remainder
, int64_t *ust
, int64_t *msc
, int64_t *sbc
)
299 CARD64 dri2_ust
, dri2_msc
, dri2_sbc
;
302 ret
= DRI2WaitMSC(pdraw
->psc
->dpy
, pdraw
->xDrawable
, target_msc
, divisor
,
303 remainder
, &dri2_ust
, &dri2_msc
, &dri2_sbc
);
312 dri2WaitForSBC(__GLXDRIdrawable
*pdraw
, int64_t target_sbc
, int64_t *ust
,
313 int64_t *msc
, int64_t *sbc
)
315 CARD64 dri2_ust
, dri2_msc
, dri2_sbc
;
318 ret
= DRI2WaitSBC(pdraw
->psc
->dpy
, pdraw
->xDrawable
,
319 target_sbc
, &dri2_ust
, &dri2_msc
, &dri2_sbc
);
327 #endif /* X_DRI2WaitMSC */
330 dri2CopySubBuffer(__GLXDRIdrawable
*pdraw
, int x
, int y
, int width
, int height
)
332 struct dri2_drawable
*priv
= (struct dri2_drawable
*) pdraw
;
333 struct dri2_screen
*psc
= (struct dri2_screen
*) pdraw
->psc
;
335 XserverRegion region
;
337 /* Check we have the right attachments */
338 if (!priv
->have_back
)
342 xrect
.y
= priv
->height
- y
- height
;
344 xrect
.height
= height
;
348 (*psc
->f
->flush
) (priv
->driDrawable
);
351 region
= XFixesCreateRegion(psc
->base
.dpy
, &xrect
, 1);
352 DRI2CopyRegion(psc
->base
.dpy
, pdraw
->xDrawable
, region
,
353 DRI2BufferFrontLeft
, DRI2BufferBackLeft
);
354 XFixesDestroyRegion(psc
->base
.dpy
, region
);
356 /* Refresh the fake front (if present) after we just damaged the real
359 DRI2CopyRegion(psc
->base
.dpy
, pdraw
->xDrawable
, region
,
360 DRI2BufferFakeFrontLeft
, DRI2BufferFrontLeft
);
361 XFixesDestroyRegion(psc
->base
.dpy
, region
);
365 dri2_copy_drawable(struct dri2_drawable
*priv
, int dest
, int src
)
368 XserverRegion region
;
369 struct dri2_screen
*psc
= (struct dri2_screen
*) priv
->base
.psc
;
373 xrect
.width
= priv
->width
;
374 xrect
.height
= priv
->height
;
378 (*psc
->f
->flush
) (priv
->driDrawable
);
381 region
= XFixesCreateRegion(psc
->base
.dpy
, &xrect
, 1);
382 DRI2CopyRegion(psc
->base
.dpy
, priv
->base
.xDrawable
, region
, dest
, src
);
383 XFixesDestroyRegion(psc
->base
.dpy
, region
);
388 dri2WaitX(__GLXDRIdrawable
*pdraw
)
390 struct dri2_drawable
*priv
= (struct dri2_drawable
*) pdraw
;
392 if (!priv
->have_fake_front
)
395 dri2_copy_drawable(priv
, DRI2BufferFakeFrontLeft
, DRI2BufferFrontLeft
);
399 dri2WaitGL(__GLXDRIdrawable
* pdraw
)
401 struct dri2_drawable
*priv
= (struct dri2_drawable
*) pdraw
;
403 if (!priv
->have_fake_front
)
406 dri2_copy_drawable(priv
, DRI2BufferFrontLeft
, DRI2BufferFakeFrontLeft
);
410 dri2FlushFrontBuffer(__DRIdrawable
*driDrawable
, void *loaderPrivate
)
412 struct dri2_drawable
*pdraw
= loaderPrivate
;
413 __GLXdisplayPrivate
*priv
= __glXInitialize(pdraw
->base
.psc
->dpy
);
414 struct dri2_display
*pdp
= (struct dri2_display
*)priv
->dri2Display
;
416 /* Old servers don't send invalidate events */
417 if (!pdp
->invalidateAvailable
)
418 dri2InvalidateBuffers(priv
->dpy
, pdraw
->base
.drawable
);
420 dri2WaitGL(loaderPrivate
);
425 dri2DestroyScreen(__GLXscreenConfigs
*base
)
427 struct dri2_screen
*psc
= (struct dri2_screen
*) base
;
429 /* Free the direct rendering per screen data */
430 (*psc
->core
->destroyScreen
) (psc
->driScreen
);
436 * Process list of buffer received from the server
438 * Processes the list of buffers received in a reply from the server to either
439 * \c DRI2GetBuffers or \c DRI2GetBuffersWithFormat.
442 process_buffers(struct dri2_drawable
* pdraw
, DRI2Buffer
* buffers
,
447 pdraw
->bufferCount
= count
;
448 pdraw
->have_fake_front
= 0;
449 pdraw
->have_back
= 0;
451 /* This assumes the DRI2 buffer attachment tokens matches the
452 * __DRIbuffer tokens. */
453 for (i
= 0; i
< count
; i
++) {
454 pdraw
->buffers
[i
].attachment
= buffers
[i
].attachment
;
455 pdraw
->buffers
[i
].name
= buffers
[i
].name
;
456 pdraw
->buffers
[i
].pitch
= buffers
[i
].pitch
;
457 pdraw
->buffers
[i
].cpp
= buffers
[i
].cpp
;
458 pdraw
->buffers
[i
].flags
= buffers
[i
].flags
;
459 if (pdraw
->buffers
[i
].attachment
== __DRI_BUFFER_FAKE_FRONT_LEFT
)
460 pdraw
->have_fake_front
= 1;
461 if (pdraw
->buffers
[i
].attachment
== __DRI_BUFFER_BACK_LEFT
)
462 pdraw
->have_back
= 1;
468 dri2SwapBuffers(__GLXDRIdrawable
*pdraw
, int64_t target_msc
, int64_t divisor
,
471 struct dri2_drawable
*priv
= (struct dri2_drawable
*) pdraw
;
472 __GLXdisplayPrivate
*dpyPriv
= __glXInitialize(priv
->base
.psc
->dpy
);
473 struct dri2_screen
*psc
= (struct dri2_screen
*) priv
->base
.psc
;
474 struct dri2_display
*pdp
=
475 (struct dri2_display
*)dpyPriv
->dri2Display
;
480 (*psc
->f
->flush
)(priv
->driDrawable
);
483 /* Old servers don't send invalidate events */
484 if (!pdp
->invalidateAvailable
)
485 dri2InvalidateBuffers(dpyPriv
->dpy
, pdraw
->drawable
);
487 /* Old servers can't handle swapbuffers */
488 if (!pdp
->swapAvailable
) {
489 dri2CopySubBuffer(pdraw
, 0, 0, priv
->width
, priv
->height
);
493 #ifdef X_DRI2SwapBuffers
494 DRI2SwapBuffers(psc
->base
.dpy
, pdraw
->xDrawable
, target_msc
, divisor
,
502 dri2GetBuffers(__DRIdrawable
* driDrawable
,
503 int *width
, int *height
,
504 unsigned int *attachments
, int count
,
505 int *out_count
, void *loaderPrivate
)
507 struct dri2_drawable
*pdraw
= loaderPrivate
;
510 buffers
= DRI2GetBuffers(pdraw
->base
.psc
->dpy
, pdraw
->base
.xDrawable
,
511 width
, height
, attachments
, count
, out_count
);
515 pdraw
->width
= *width
;
516 pdraw
->height
= *height
;
517 process_buffers(pdraw
, buffers
, *out_count
);
521 return pdraw
->buffers
;
525 dri2GetBuffersWithFormat(__DRIdrawable
* driDrawable
,
526 int *width
, int *height
,
527 unsigned int *attachments
, int count
,
528 int *out_count
, void *loaderPrivate
)
530 struct dri2_drawable
*pdraw
= loaderPrivate
;
533 buffers
= DRI2GetBuffersWithFormat(pdraw
->base
.psc
->dpy
,
534 pdraw
->base
.xDrawable
,
535 width
, height
, attachments
,
540 pdraw
->width
= *width
;
541 pdraw
->height
= *height
;
542 process_buffers(pdraw
, buffers
, *out_count
);
546 return pdraw
->buffers
;
549 #ifdef X_DRI2SwapInterval
552 dri2SetSwapInterval(__GLXDRIdrawable
*pdraw
, int interval
)
554 struct dri2_drawable
*priv
= (struct dri2_drawable
*) pdraw
;
555 GLint vblank_mode
= DRI_CONF_VBLANK_DEF_INTERVAL_1
;
556 struct dri2_screen
*psc
= (struct dri2_screen
*) priv
->base
.psc
;
559 psc
->config
->configQueryi(psc
->driScreen
,
560 "vblank_mode", &vblank_mode
);
562 switch (vblank_mode
) {
563 case DRI_CONF_VBLANK_NEVER
:
564 return GLX_BAD_VALUE
;
565 case DRI_CONF_VBLANK_ALWAYS_SYNC
:
567 return GLX_BAD_VALUE
;
573 DRI2SwapInterval(priv
->base
.psc
->dpy
, priv
->base
.xDrawable
, interval
);
574 priv
->swap_interval
= interval
;
580 dri2GetSwapInterval(__GLXDRIdrawable
*pdraw
)
582 struct dri2_drawable
*priv
= (struct dri2_drawable
*) pdraw
;
584 return priv
->swap_interval
;
587 #endif /* X_DRI2SwapInterval */
589 static const __DRIdri2LoaderExtension dri2LoaderExtension
= {
590 {__DRI_DRI2_LOADER
, __DRI_DRI2_LOADER_VERSION
},
592 dri2FlushFrontBuffer
,
593 dri2GetBuffersWithFormat
,
596 static const __DRIdri2LoaderExtension dri2LoaderExtension_old
= {
597 {__DRI_DRI2_LOADER
, __DRI_DRI2_LOADER_VERSION
},
599 dri2FlushFrontBuffer
,
603 #ifdef __DRI_USE_INVALIDATE
604 static const __DRIuseInvalidateExtension dri2UseInvalidate
= {
605 { __DRI_USE_INVALIDATE
, __DRI_USE_INVALIDATE_VERSION
}
610 dri2InvalidateBuffers(Display
*dpy
, XID drawable
)
612 __GLXDRIdrawable
*pdraw
=
613 dri2GetGlxDrawableFromXDrawableId(dpy
, drawable
);
614 struct dri2_screen
*psc
= (struct dri2_screen
*) pdraw
->psc
;
615 struct dri2_drawable
*pdp
= (struct dri2_drawable
*) pdraw
;
617 #if __DRI2_FLUSH_VERSION >= 3
619 psc
->f
->invalidate(pdp
->driDrawable
);
624 dri2_bind_tex_image(Display
* dpy
,
625 GLXDrawable drawable
,
626 int buffer
, const int *attrib_list
)
628 GLXContext gc
= __glXGetCurrentContext();
629 __GLXDRIdrawable
*base
= GetGLXDRIDrawable(dpy
, drawable
, NULL
);
630 __GLXdisplayPrivate
*dpyPriv
= __glXInitialize(dpy
);
631 struct dri2_drawable
*pdraw
= (struct dri2_drawable
*) base
;
632 struct dri2_display
*pdp
=
633 (struct dri2_display
*) dpyPriv
->dri2Display
;
634 struct dri2_screen
*psc
= (struct dri2_screen
*) base
->psc
;
638 #if __DRI2_FLUSH_VERSION >= 3
639 if (!pdp
->invalidateAvailable
&& psc
->f
)
640 psc
->f
->invalidate(pdraw
->driDrawable
);
643 if (psc
->texBuffer
->base
.version
>= 2 &&
644 psc
->texBuffer
->setTexBuffer2
!= NULL
) {
645 (*psc
->texBuffer
->setTexBuffer2
) (gc
->__driContext
,
646 pdraw
->base
.textureTarget
,
647 pdraw
->base
.textureFormat
,
651 (*psc
->texBuffer
->setTexBuffer
) (gc
->__driContext
,
652 pdraw
->base
.textureTarget
,
659 dri2_release_tex_image(Display
* dpy
, GLXDrawable drawable
, int buffer
)
663 static const struct glx_context_vtable dri2_context_vtable
= {
665 dri2_release_tex_image
,
669 dri2BindExtensions(struct dri2_screen
*psc
, const __DRIextension
**extensions
)
673 __glXEnableDirectExtension(&psc
->base
, "GLX_SGI_video_sync");
674 __glXEnableDirectExtension(&psc
->base
, "GLX_SGI_swap_control");
675 __glXEnableDirectExtension(&psc
->base
, "GLX_MESA_swap_control");
677 /* FIXME: if DRI2 version supports it... */
678 __glXEnableDirectExtension(&psc
->base
, "INTEL_swap_event");
680 for (i
= 0; extensions
[i
]; i
++) {
681 if ((strcmp(extensions
[i
]->name
, __DRI_TEX_BUFFER
) == 0)) {
682 psc
->texBuffer
= (__DRItexBufferExtension
*) extensions
[i
];
683 __glXEnableDirectExtension(&psc
->base
, "GLX_EXT_texture_from_pixmap");
686 if ((strcmp(extensions
[i
]->name
, __DRI2_FLUSH
) == 0)) {
687 psc
->f
= (__DRI2flushExtension
*) extensions
[i
];
688 /* internal driver extension, no GL extension exposed */
691 if ((strcmp(extensions
[i
]->name
, __DRI2_CONFIG_QUERY
) == 0))
692 psc
->config
= (__DRI2configQueryExtension
*) extensions
[i
];
697 static __GLXscreenConfigs
*
698 dri2CreateScreen(int screen
, __GLXdisplayPrivate
* priv
)
700 const __DRIconfig
**driver_configs
;
701 const __DRIextension
**extensions
;
702 const struct dri2_display
*const pdp
= (struct dri2_display
*)
704 struct dri2_screen
*psc
;
706 char *driverName
, *deviceName
;
710 psc
= Xmalloc(sizeof *psc
);
714 memset(psc
, 0, sizeof *psc
);
715 if (!glx_screen_init(&psc
->base
, screen
, priv
))
718 if (!DRI2Connect(priv
->dpy
, RootWindow(priv
->dpy
, screen
),
719 &driverName
, &deviceName
)) {
724 psc
->driver
= driOpenDriver(driverName
);
725 if (psc
->driver
== NULL
) {
726 ErrorMessageF("driver pointer missing\n");
730 extensions
= dlsym(psc
->driver
, __DRI_DRIVER_EXTENSIONS
);
731 if (extensions
== NULL
) {
732 ErrorMessageF("driver exports no extensions (%s)\n", dlerror());
736 for (i
= 0; extensions
[i
]; i
++) {
737 if (strcmp(extensions
[i
]->name
, __DRI_CORE
) == 0)
738 psc
->core
= (__DRIcoreExtension
*) extensions
[i
];
739 if (strcmp(extensions
[i
]->name
, __DRI_DRI2
) == 0)
740 psc
->dri2
= (__DRIdri2Extension
*) extensions
[i
];
743 if (psc
->core
== NULL
|| psc
->dri2
== NULL
) {
744 ErrorMessageF("core dri or dri2 extension not found\n");
748 psc
->fd
= open(deviceName
, O_RDWR
);
750 ErrorMessageF("failed to open drm device: %s\n", strerror(errno
));
754 if (drmGetMagic(psc
->fd
, &magic
)) {
755 ErrorMessageF("failed to get magic\n");
759 if (!DRI2Authenticate(priv
->dpy
, RootWindow(priv
->dpy
, screen
), magic
)) {
760 ErrorMessageF("failed to authenticate magic %d\n", magic
);
765 /* If the server does not support the protocol for
766 * DRI2GetBuffersWithFormat, don't supply that interface to the driver.
769 psc
->dri2
->createNewScreen(screen
, psc
->fd
,
770 (const __DRIextension
**)
771 &pdp
->loader_extensions
[0],
772 &driver_configs
, psc
);
774 if (psc
->driScreen
== NULL
) {
775 ErrorMessageF("failed to create dri screen\n");
779 extensions
= psc
->core
->getExtensions(psc
->driScreen
);
780 driBindCommonExtensions(&psc
->base
, extensions
);
781 dri2BindExtensions(psc
, extensions
);
784 driConvertConfigs(psc
->core
, psc
->base
.configs
, driver_configs
);
786 driConvertConfigs(psc
->core
, psc
->base
.visuals
, driver_configs
);
788 psc
->base
.driver_configs
= driver_configs
;
791 psc
->base
.driScreen
= psp
;
792 psp
->destroyScreen
= dri2DestroyScreen
;
793 psp
->createContext
= dri2CreateContext
;
794 psp
->createDrawable
= dri2CreateDrawable
;
795 psp
->swapBuffers
= dri2SwapBuffers
;
796 psp
->waitGL
= dri2WaitGL
;
797 psp
->waitX
= dri2WaitX
;
798 psp
->getDrawableMSC
= NULL
;
799 psp
->waitForMSC
= NULL
;
800 psp
->waitForSBC
= NULL
;
801 psp
->setSwapInterval
= NULL
;
802 psp
->getSwapInterval
= NULL
;
804 if (pdp
->driMinor
>= 2) {
806 psp
->getDrawableMSC
= dri2DrawableGetMSC
;
809 psp
->waitForMSC
= dri2WaitForMSC
;
810 psp
->waitForSBC
= dri2WaitForSBC
;
812 #ifdef X_DRI2SwapInterval
813 psp
->setSwapInterval
= dri2SetSwapInterval
;
814 psp
->getSwapInterval
= dri2GetSwapInterval
;
816 #if defined(X_DRI2GetMSC) && defined(X_DRI2WaitMSC) && defined(X_DRI2SwapInterval)
817 __glXEnableDirectExtension(&psc
->base
, "GLX_OML_sync_control");
821 /* DRI2 suports SubBuffer through DRI2CopyRegion, so it's always
823 psp
->copySubBuffer
= dri2CopySubBuffer
;
824 __glXEnableDirectExtension(&psc
->base
, "GLX_MESA_copy_sub_buffer");
826 psc
->base
.direct_context_vtable
= &dri2_context_vtable
;
838 /* FIXME: clean up here */
843 /* Called from __glXFreeDisplayPrivate.
846 dri2DestroyDisplay(__GLXDRIdisplay
* dpy
)
851 _X_HIDDEN __GLXDRIdrawable
*
852 dri2GetGlxDrawableFromXDrawableId(Display
*dpy
, XID id
)
854 __GLXdisplayPrivate
*d
= __glXInitialize(dpy
);
855 struct dri2_display
*pdp
= (struct dri2_display
*) d
->dri2Display
;
856 __GLXDRIdrawable
*pdraw
;
858 if (__glxHashLookup(pdp
->dri2Hash
, id
, (void *) &pdraw
) == 0)
865 * Allocate, initialize and return a __DRIdisplayPrivate object.
866 * This is called from __glXInitialize() when we are given a new
869 _X_HIDDEN __GLXDRIdisplay
*
870 dri2CreateDisplay(Display
* dpy
)
872 struct dri2_display
*pdp
;
873 int eventBase
, errorBase
, i
;
875 if (!DRI2QueryExtension(dpy
, &eventBase
, &errorBase
))
878 pdp
= Xmalloc(sizeof *pdp
);
882 if (!DRI2QueryVersion(dpy
, &pdp
->driMajor
, &pdp
->driMinor
)) {
888 pdp
->swapAvailable
= (pdp
->driMinor
>= 2);
889 pdp
->invalidateAvailable
= (pdp
->driMinor
>= 3);
891 pdp
->base
.destroyDisplay
= dri2DestroyDisplay
;
892 pdp
->base
.createScreen
= dri2CreateScreen
;
895 if (pdp
->driMinor
< 1)
896 pdp
->loader_extensions
[i
++] = &dri2LoaderExtension_old
.base
;
898 pdp
->loader_extensions
[i
++] = &dri2LoaderExtension
.base
;
900 pdp
->loader_extensions
[i
++] = &systemTimeExtension
.base
;
902 #ifdef __DRI_USE_INVALIDATE
903 pdp
->loader_extensions
[i
++] = &dri2UseInvalidate
.base
;
905 pdp
->loader_extensions
[i
++] = NULL
;
907 pdp
->dri2Hash
= __glxHashCreate();
908 if (pdp
->dri2Hash
== NULL
) {
916 #endif /* GLX_DIRECT_RENDERING */