2 * Copyright © 2013 Keith Packard
4 * Permission to use, copy, modify, distribute, and sell this software and its
5 * documentation for any purpose is hereby granted without fee, provided that
6 * the above copyright notice appear in all copies and that both that copyright
7 * notice and this permission notice appear in supporting documentation, and
8 * that the name of the copyright holders not be used in advertising or
9 * publicity pertaining to distribution of the software without specific,
10 * written prior permission. The copyright holders make no representations
11 * about the suitability of this software for any purpose. It is provided "as
12 * is" without express or implied warranty.
14 * THE COPYRIGHT HOLDERS DISCLAIM ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
15 * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO
16 * EVENT SHALL THE COPYRIGHT HOLDERS BE LIABLE FOR ANY SPECIAL, INDIRECT OR
17 * CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE,
18 * DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
19 * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE
24 * Portions of this code were adapted from dri2_glx.c which carries the
25 * following copyright:
27 * Copyright © 2008 Red Hat, Inc.
29 * Permission is hereby granted, free of charge, to any person obtaining a
30 * copy of this software and associated documentation files (the "Soft-
31 * ware"), to deal in the Software without restriction, including without
32 * limitation the rights to use, copy, modify, merge, publish, distribute,
33 * and/or sell copies of the Software, and to permit persons to whom the
34 * Software is furnished to do so, provided that the above copyright
35 * notice(s) and this permission notice appear in all copies of the Soft-
36 * ware and that both the above copyright notice(s) and this permission
37 * notice appear in supporting documentation.
39 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
40 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABIL-
41 * ITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT OF THIRD PARTY
42 * RIGHTS. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR HOLDERS INCLUDED IN
43 * THIS NOTICE BE LIABLE FOR ANY CLAIM, OR ANY SPECIAL INDIRECT OR CONSE-
44 * QUENTIAL DAMAGES, OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE,
45 * DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
46 * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFOR-
47 * MANCE OF THIS SOFTWARE.
49 * Except as contained in this notice, the name of a copyright holder shall
50 * not be used in advertising or otherwise to promote the sale, use or
51 * other dealings in this Software without prior written authorization of
52 * the copyright holder.
55 * Kristian Høgsberg (krh@redhat.com)
58 #if defined(GLX_DIRECT_RENDERING) && !defined(GLX_USE_APPLEGL)
61 #include <X11/extensions/Xfixes.h>
62 #include <X11/Xlib-xcb.h>
63 #include <X11/xshmfence.h>
66 #include <xcb/present.h>
68 #include "glxclient.h"
72 #include <sys/types.h>
76 #include "dri_common.h"
77 #include "dri3_priv.h"
81 static struct dri3_drawable
*
82 loader_drawable_to_dri3_drawable(struct loader_dri3_drawable
*draw
) {
83 size_t offset
= offsetof(struct dri3_drawable
, loader_drawable
);
86 return (struct dri3_drawable
*)(((void*) draw
) - offset
);
90 glx_dri3_get_swap_interval(struct loader_dri3_drawable
*draw
)
92 struct dri3_drawable
*priv
= loader_drawable_to_dri3_drawable(draw
);
94 return priv
->swap_interval
;
98 glx_dri3_clamp_swap_interval(struct loader_dri3_drawable
*draw
, int interval
)
104 glx_dri3_set_swap_interval(struct loader_dri3_drawable
*draw
, int interval
)
106 struct dri3_drawable
*priv
= loader_drawable_to_dri3_drawable(draw
);
108 priv
->swap_interval
= interval
;
112 glx_dri3_set_drawable_size(struct loader_dri3_drawable
*draw
,
113 int width
, int height
)
119 glx_dri3_in_current_context(struct loader_dri3_drawable
*draw
)
121 struct dri3_drawable
*priv
= loader_drawable_to_dri3_drawable(draw
);
126 struct dri3_context
*pcp
= (struct dri3_context
*) __glXGetCurrentContext();
127 struct dri3_screen
*psc
= (struct dri3_screen
*) priv
->base
.psc
;
129 return (&pcp
->base
!= &dummyContext
) && pcp
->base
.psc
== &psc
->base
;
132 static __DRIcontext
*
133 glx_dri3_get_dri_context(struct loader_dri3_drawable
*draw
)
135 struct glx_context
*gc
= __glXGetCurrentContext();
136 struct dri3_context
*dri3Ctx
= (struct dri3_context
*) gc
;
138 return (gc
!= &dummyContext
) ? dri3Ctx
->driContext
: NULL
;
142 glx_dri3_get_dri_screen(struct loader_dri3_drawable
*draw
)
144 struct glx_context
*gc
= __glXGetCurrentContext();
145 struct dri3_context
*pcp
= (struct dri3_context
*) gc
;
146 struct dri3_screen
*psc
= (struct dri3_screen
*) pcp
->base
.psc
;
148 return (gc
!= &dummyContext
&& psc
) ? psc
->driScreen
: NULL
;
152 glx_dri3_flush_drawable(struct loader_dri3_drawable
*draw
, unsigned flags
)
154 loader_dri3_flush(draw
, flags
, __DRI2_THROTTLE_SWAPBUFFER
);
158 glx_dri3_show_fps(struct loader_dri3_drawable
*draw
, uint64_t current_ust
)
160 struct dri3_drawable
*priv
= loader_drawable_to_dri3_drawable(draw
);
161 const uint64_t interval
=
162 ((struct dri3_screen
*) priv
->base
.psc
)->show_fps_interval
;
169 /* DRI3+Present together uses microseconds for UST. */
170 if (priv
->previous_ust
+ interval
* 1000000 <= current_ust
) {
171 if (priv
->previous_ust
) {
172 fprintf(stderr
, "libGL: FPS = %.1f\n",
173 ((uint64_t) priv
->frames
* 1000000) /
174 (double)(current_ust
- priv
->previous_ust
));
177 priv
->previous_ust
= current_ust
;
181 static const struct loader_dri3_vtable glx_dri3_vtable
= {
182 .get_swap_interval
= glx_dri3_get_swap_interval
,
183 .clamp_swap_interval
= glx_dri3_clamp_swap_interval
,
184 .set_swap_interval
= glx_dri3_set_swap_interval
,
185 .set_drawable_size
= glx_dri3_set_drawable_size
,
186 .in_current_context
= glx_dri3_in_current_context
,
187 .get_dri_context
= glx_dri3_get_dri_context
,
188 .get_dri_screen
= glx_dri3_get_dri_screen
,
189 .flush_drawable
= glx_dri3_flush_drawable
,
190 .show_fps
= glx_dri3_show_fps
,
194 static const struct glx_context_vtable dri3_context_vtable
;
197 dri3_destroy_context(struct glx_context
*context
)
199 struct dri3_context
*pcp
= (struct dri3_context
*) context
;
200 struct dri3_screen
*psc
= (struct dri3_screen
*) context
->psc
;
202 driReleaseDrawables(&pcp
->base
);
204 free((char *) context
->extensions
);
206 (*psc
->core
->destroyContext
) (pcp
->driContext
);
212 dri3_bind_context(struct glx_context
*context
, struct glx_context
*old
,
213 GLXDrawable draw
, GLXDrawable read
)
215 struct dri3_context
*pcp
= (struct dri3_context
*) context
;
216 struct dri3_screen
*psc
= (struct dri3_screen
*) pcp
->base
.psc
;
217 struct dri3_drawable
*pdraw
, *pread
;
218 __DRIdrawable
*dri_draw
= NULL
, *dri_read
= NULL
;
220 pdraw
= (struct dri3_drawable
*) driFetchDrawable(context
, draw
);
221 pread
= (struct dri3_drawable
*) driFetchDrawable(context
, read
);
223 driReleaseDrawables(&pcp
->base
);
226 dri_draw
= pdraw
->loader_drawable
.dri_drawable
;
227 else if (draw
!= None
)
228 return GLXBadDrawable
;
231 dri_read
= pread
->loader_drawable
.dri_drawable
;
232 else if (read
!= None
)
233 return GLXBadDrawable
;
235 if (!(*psc
->core
->bindContext
) (pcp
->driContext
, dri_draw
, dri_read
))
236 return GLXBadContext
;
239 (*psc
->f
->invalidate
)(dri_draw
);
240 if (dri_read
&& dri_read
!= dri_draw
)
241 (*psc
->f
->invalidate
)(dri_read
);
247 dri3_unbind_context(struct glx_context
*context
, struct glx_context
*new)
249 struct dri3_context
*pcp
= (struct dri3_context
*) context
;
250 struct dri3_screen
*psc
= (struct dri3_screen
*) pcp
->base
.psc
;
252 (*psc
->core
->unbindContext
) (pcp
->driContext
);
255 static struct glx_context
*
256 dri3_create_context_attribs(struct glx_screen
*base
,
257 struct glx_config
*config_base
,
258 struct glx_context
*shareList
,
259 unsigned num_attribs
,
260 const uint32_t *attribs
,
263 struct dri3_context
*pcp
= NULL
;
264 struct dri3_context
*pcp_shared
= NULL
;
265 struct dri3_screen
*psc
= (struct dri3_screen
*) base
;
266 __GLXDRIconfigPrivate
*config
= (__GLXDRIconfigPrivate
*) config_base
;
267 __DRIcontext
*shared
= NULL
;
269 uint32_t minor_ver
= 1;
270 uint32_t major_ver
= 2;
273 int reset
= __DRI_CTX_RESET_NO_NOTIFICATION
;
274 uint32_t ctx_attribs
[2 * 5];
275 unsigned num_ctx_attribs
= 0;
276 uint32_t render_type
;
278 /* Remap the GLX tokens to DRI2 tokens.
280 if (!dri2_convert_glx_attribs(num_attribs
, attribs
,
281 &major_ver
, &minor_ver
,
282 &render_type
, &flags
, &api
,
286 /* Check the renderType value */
287 if (!validate_renderType_against_config(config_base
, render_type
))
291 pcp_shared
= (struct dri3_context
*) shareList
;
292 shared
= pcp_shared
->driContext
;
295 pcp
= calloc(1, sizeof *pcp
);
297 *error
= __DRI_CTX_ERROR_NO_MEMORY
;
301 if (!glx_context_init(&pcp
->base
, &psc
->base
, &config
->base
))
304 ctx_attribs
[num_ctx_attribs
++] = __DRI_CTX_ATTRIB_MAJOR_VERSION
;
305 ctx_attribs
[num_ctx_attribs
++] = major_ver
;
306 ctx_attribs
[num_ctx_attribs
++] = __DRI_CTX_ATTRIB_MINOR_VERSION
;
307 ctx_attribs
[num_ctx_attribs
++] = minor_ver
;
309 /* Only send a value when the non-default value is requested. By doing
310 * this we don't have to check the driver's DRI3 version before sending the
313 if (reset
!= __DRI_CTX_RESET_NO_NOTIFICATION
) {
314 ctx_attribs
[num_ctx_attribs
++] = __DRI_CTX_ATTRIB_RESET_STRATEGY
;
315 ctx_attribs
[num_ctx_attribs
++] = reset
;
319 ctx_attribs
[num_ctx_attribs
++] = __DRI_CTX_ATTRIB_FLAGS
;
321 /* The current __DRI_CTX_FLAG_* values are identical to the
322 * GLX_CONTEXT_*_BIT values.
324 ctx_attribs
[num_ctx_attribs
++] = flags
;
328 (*psc
->image_driver
->createContextAttribs
) (psc
->driScreen
,
337 if (pcp
->driContext
== NULL
)
340 pcp
->base
.vtable
= &dri3_context_vtable
;
350 static struct glx_context
*
351 dri3_create_context(struct glx_screen
*base
,
352 struct glx_config
*config_base
,
353 struct glx_context
*shareList
, int renderType
)
357 return dri3_create_context_attribs(base
, config_base
, shareList
,
362 dri3_destroy_drawable(__GLXDRIdrawable
*base
)
364 struct dri3_drawable
*pdraw
= (struct dri3_drawable
*) base
;
366 loader_dri3_drawable_fini(&pdraw
->loader_drawable
);
371 static __GLXDRIdrawable
*
372 dri3_create_drawable(struct glx_screen
*base
, XID xDrawable
,
373 GLXDrawable drawable
, struct glx_config
*config_base
)
375 struct dri3_drawable
*pdraw
;
376 struct dri3_screen
*psc
= (struct dri3_screen
*) base
;
377 __GLXDRIconfigPrivate
*config
= (__GLXDRIconfigPrivate
*) config_base
;
379 pdraw
= calloc(1, sizeof(*pdraw
));
383 pdraw
->base
.destroyDrawable
= dri3_destroy_drawable
;
384 pdraw
->base
.xDrawable
= xDrawable
;
385 pdraw
->base
.drawable
= drawable
;
386 pdraw
->base
.psc
= &psc
->base
;
388 (void) __glXInitialize(psc
->base
.dpy
);
390 if (loader_dri3_drawable_init(XGetXCBConnection(base
->dpy
),
391 xDrawable
, psc
->driScreen
,
392 psc
->is_different_gpu
, config
->driConfig
,
393 &psc
->loader_dri3_ext
, &glx_dri3_vtable
,
394 &pdraw
->loader_drawable
)) {
402 /** dri3_wait_for_msc
404 * Get the X server to send an event when the target msc/divisor/remainder is
408 dri3_wait_for_msc(__GLXDRIdrawable
*pdraw
, int64_t target_msc
, int64_t divisor
,
409 int64_t remainder
, int64_t *ust
, int64_t *msc
, int64_t *sbc
)
411 struct dri3_drawable
*priv
= (struct dri3_drawable
*) pdraw
;
413 loader_dri3_wait_for_msc(&priv
->loader_drawable
, target_msc
, divisor
,
414 remainder
, ust
, msc
, sbc
);
419 /** dri3_drawable_get_msc
421 * Return the current UST/MSC/SBC triplet by asking the server
425 dri3_drawable_get_msc(struct glx_screen
*psc
, __GLXDRIdrawable
*pdraw
,
426 int64_t *ust
, int64_t *msc
, int64_t *sbc
)
428 return dri3_wait_for_msc(pdraw
, 0, 0, 0, ust
, msc
,sbc
);
431 /** dri3_wait_for_sbc
433 * Wait for the completed swap buffer count to reach the specified
434 * target. Presumably the application knows that this will be reached with
435 * outstanding complete events, or we're going to be here awhile.
438 dri3_wait_for_sbc(__GLXDRIdrawable
*pdraw
, int64_t target_sbc
, int64_t *ust
,
439 int64_t *msc
, int64_t *sbc
)
441 struct dri3_drawable
*priv
= (struct dri3_drawable
*) pdraw
;
443 return loader_dri3_wait_for_sbc(&priv
->loader_drawable
, target_sbc
,
448 dri3_copy_sub_buffer(__GLXDRIdrawable
*pdraw
, int x
, int y
,
449 int width
, int height
,
452 struct dri3_drawable
*priv
= (struct dri3_drawable
*) pdraw
;
454 loader_dri3_copy_sub_buffer(&priv
->loader_drawable
, x
, y
,
455 width
, height
, flush
);
459 dri3_wait_x(struct glx_context
*gc
)
461 struct dri3_drawable
*priv
= (struct dri3_drawable
*)
462 GetGLXDRIDrawable(gc
->currentDpy
, gc
->currentDrawable
);
465 loader_dri3_wait_x(&priv
->loader_drawable
);
469 dri3_wait_gl(struct glx_context
*gc
)
471 struct dri3_drawable
*priv
= (struct dri3_drawable
*)
472 GetGLXDRIDrawable(gc
->currentDpy
, gc
->currentDrawable
);
475 loader_dri3_wait_gl(&priv
->loader_drawable
);
479 * Called by the driver when it needs to update the real front buffer with the
480 * contents of its fake front buffer.
483 dri3_flush_front_buffer(__DRIdrawable
*driDrawable
, void *loaderPrivate
)
485 struct loader_dri3_drawable
*draw
= loaderPrivate
;
486 struct dri3_drawable
*pdraw
= loader_drawable_to_dri3_drawable(draw
);
487 struct dri3_screen
*psc
;
492 if (!pdraw
->base
.psc
)
495 psc
= (struct dri3_screen
*) pdraw
->base
.psc
;
497 (void) __glXInitialize(psc
->base
.dpy
);
499 loader_dri3_flush(draw
, __DRI2_FLUSH_DRAWABLE
, __DRI2_THROTTLE_FLUSHFRONT
);
501 (*psc
->f
->invalidate
)(driDrawable
);
502 loader_dri3_wait_gl(draw
);
506 dri_set_background_context(void *loaderPrivate
)
508 struct dri3_context
*pcp
= (struct dri3_context
*)loaderPrivate
;
509 __glXSetCurrentContext(&pcp
->base
);
513 dri_is_thread_safe(void *loaderPrivate
)
515 /* Unlike DRI2, DRI3 doesn't call GetBuffers/GetBuffersWithFormat
516 * during draw so we're safe here.
521 /* The image loader extension record for DRI3
523 static const __DRIimageLoaderExtension imageLoaderExtension
= {
524 .base
= { __DRI_IMAGE_LOADER
, 1 },
526 .getBuffers
= loader_dri3_get_buffers
,
527 .flushFrontBuffer
= dri3_flush_front_buffer
,
530 const __DRIuseInvalidateExtension dri3UseInvalidate
= {
531 .base
= { __DRI_USE_INVALIDATE
, 1 }
534 static const __DRIbackgroundCallableExtension driBackgroundCallable
= {
535 .base
= { __DRI_BACKGROUND_CALLABLE
, 2 },
537 .setBackgroundContext
= dri_set_background_context
,
538 .isThreadSafe
= dri_is_thread_safe
,
541 static const __DRIextension
*loader_extensions
[] = {
542 &imageLoaderExtension
.base
,
543 &dri3UseInvalidate
.base
,
544 &driBackgroundCallable
.base
,
548 /** dri3_swap_buffers
550 * Make the current back buffer visible using the present extension
553 dri3_swap_buffers(__GLXDRIdrawable
*pdraw
, int64_t target_msc
, int64_t divisor
,
554 int64_t remainder
, Bool flush
)
556 struct dri3_drawable
*priv
= (struct dri3_drawable
*) pdraw
;
557 unsigned flags
= __DRI2_FLUSH_DRAWABLE
;
560 flags
|= __DRI2_FLUSH_CONTEXT
;
562 return loader_dri3_swap_buffers_msc(&priv
->loader_drawable
,
563 target_msc
, divisor
, remainder
,
568 dri3_get_buffer_age(__GLXDRIdrawable
*pdraw
)
570 struct dri3_drawable
*priv
= (struct dri3_drawable
*)pdraw
;
572 return loader_dri3_query_buffer_age(&priv
->loader_drawable
);
575 /** dri3_destroy_screen
578 dri3_destroy_screen(struct glx_screen
*base
)
580 struct dri3_screen
*psc
= (struct dri3_screen
*) base
;
582 /* Free the direct rendering per screen data */
583 (*psc
->core
->destroyScreen
) (psc
->driScreen
);
584 driDestroyConfigs(psc
->driver_configs
);
589 /** dri3_set_swap_interval
591 * Record the application swap interval specification,
594 dri3_set_swap_interval(__GLXDRIdrawable
*pdraw
, int interval
)
596 assert(pdraw
!= NULL
);
598 struct dri3_drawable
*priv
= (struct dri3_drawable
*) pdraw
;
599 GLint vblank_mode
= DRI_CONF_VBLANK_DEF_INTERVAL_1
;
600 struct dri3_screen
*psc
= (struct dri3_screen
*) priv
->base
.psc
;
603 psc
->config
->configQueryi(psc
->driScreen
,
604 "vblank_mode", &vblank_mode
);
606 switch (vblank_mode
) {
607 case DRI_CONF_VBLANK_NEVER
:
609 return GLX_BAD_VALUE
;
611 case DRI_CONF_VBLANK_ALWAYS_SYNC
:
613 return GLX_BAD_VALUE
;
619 loader_dri3_set_swap_interval(&priv
->loader_drawable
, interval
);
624 /** dri3_get_swap_interval
626 * Return the stored swap interval
629 dri3_get_swap_interval(__GLXDRIdrawable
*pdraw
)
631 assert(pdraw
!= NULL
);
633 struct dri3_drawable
*priv
= (struct dri3_drawable
*) pdraw
;
635 return priv
->swap_interval
;
639 dri3_bind_tex_image(Display
* dpy
,
640 GLXDrawable drawable
,
641 int buffer
, const int *attrib_list
)
643 struct glx_context
*gc
= __glXGetCurrentContext();
644 struct dri3_context
*pcp
= (struct dri3_context
*) gc
;
645 __GLXDRIdrawable
*base
= GetGLXDRIDrawable(dpy
, drawable
);
646 struct dri3_drawable
*pdraw
= (struct dri3_drawable
*) base
;
647 struct dri3_screen
*psc
;
650 psc
= (struct dri3_screen
*) base
->psc
;
652 (*psc
->f
->invalidate
)(pdraw
->loader_drawable
.dri_drawable
);
656 (*psc
->texBuffer
->setTexBuffer2
) (pcp
->driContext
,
657 pdraw
->base
.textureTarget
,
658 pdraw
->base
.textureFormat
,
659 pdraw
->loader_drawable
.dri_drawable
);
664 dri3_release_tex_image(Display
* dpy
, GLXDrawable drawable
, int buffer
)
666 struct glx_context
*gc
= __glXGetCurrentContext();
667 struct dri3_context
*pcp
= (struct dri3_context
*) gc
;
668 __GLXDRIdrawable
*base
= GetGLXDRIDrawable(dpy
, drawable
);
669 struct dri3_drawable
*pdraw
= (struct dri3_drawable
*) base
;
670 struct dri3_screen
*psc
;
673 psc
= (struct dri3_screen
*) base
->psc
;
675 if (psc
->texBuffer
->base
.version
>= 3 &&
676 psc
->texBuffer
->releaseTexBuffer
!= NULL
)
677 (*psc
->texBuffer
->releaseTexBuffer
) (pcp
->driContext
,
678 pdraw
->base
.textureTarget
,
679 pdraw
->loader_drawable
.dri_drawable
);
683 static const struct glx_context_vtable dri3_context_vtable
= {
684 .destroy
= dri3_destroy_context
,
685 .bind
= dri3_bind_context
,
686 .unbind
= dri3_unbind_context
,
687 .wait_gl
= dri3_wait_gl
,
688 .wait_x
= dri3_wait_x
,
689 .use_x_font
= DRI_glXUseXFont
,
690 .bind_tex_image
= dri3_bind_tex_image
,
691 .release_tex_image
= dri3_release_tex_image
,
692 .get_proc_address
= NULL
,
693 .interop_query_device_info
= dri3_interop_query_device_info
,
694 .interop_export_object
= dri3_interop_export_object
697 /** dri3_bind_extensions
699 * Enable all of the extensions supported on DRI3
702 dri3_bind_extensions(struct dri3_screen
*psc
, struct glx_display
* priv
,
703 const char *driverName
)
705 const __DRIextension
**extensions
;
709 extensions
= psc
->core
->getExtensions(psc
->driScreen
);
711 __glXEnableDirectExtension(&psc
->base
, "GLX_SGI_video_sync");
712 __glXEnableDirectExtension(&psc
->base
, "GLX_SGI_swap_control");
713 __glXEnableDirectExtension(&psc
->base
, "GLX_MESA_swap_control");
714 __glXEnableDirectExtension(&psc
->base
, "GLX_SGI_make_current_read");
715 __glXEnableDirectExtension(&psc
->base
, "GLX_INTEL_swap_event");
717 mask
= psc
->image_driver
->getAPIMask(psc
->driScreen
);
719 __glXEnableDirectExtension(&psc
->base
, "GLX_ARB_create_context");
720 __glXEnableDirectExtension(&psc
->base
, "GLX_ARB_create_context_profile");
722 if ((mask
& ((1 << __DRI_API_GLES
) |
723 (1 << __DRI_API_GLES2
) |
724 (1 << __DRI_API_GLES3
))) != 0) {
725 __glXEnableDirectExtension(&psc
->base
,
726 "GLX_EXT_create_context_es_profile");
727 __glXEnableDirectExtension(&psc
->base
,
728 "GLX_EXT_create_context_es2_profile");
731 for (i
= 0; extensions
[i
]; i
++) {
732 /* when on a different gpu than the server, the server pixmaps
733 * can have a tiling mode we can't read. Thus we can't create
734 * a texture from them.
736 if (!psc
->is_different_gpu
&&
737 (strcmp(extensions
[i
]->name
, __DRI_TEX_BUFFER
) == 0)) {
738 psc
->texBuffer
= (__DRItexBufferExtension
*) extensions
[i
];
739 __glXEnableDirectExtension(&psc
->base
, "GLX_EXT_texture_from_pixmap");
742 if ((strcmp(extensions
[i
]->name
, __DRI2_FLUSH
) == 0)) {
743 psc
->f
= (__DRI2flushExtension
*) extensions
[i
];
744 /* internal driver extension, no GL extension exposed */
747 if (strcmp(extensions
[i
]->name
, __DRI_IMAGE
) == 0)
748 psc
->image
= (__DRIimageExtension
*) extensions
[i
];
750 if ((strcmp(extensions
[i
]->name
, __DRI2_CONFIG_QUERY
) == 0))
751 psc
->config
= (__DRI2configQueryExtension
*) extensions
[i
];
753 if (strcmp(extensions
[i
]->name
, __DRI2_ROBUSTNESS
) == 0)
754 __glXEnableDirectExtension(&psc
->base
,
755 "GLX_ARB_create_context_robustness");
757 if (strcmp(extensions
[i
]->name
, __DRI2_RENDERER_QUERY
) == 0) {
758 psc
->rendererQuery
= (__DRI2rendererQueryExtension
*) extensions
[i
];
759 __glXEnableDirectExtension(&psc
->base
, "GLX_MESA_query_renderer");
762 if (strcmp(extensions
[i
]->name
, __DRI2_INTEROP
) == 0)
763 psc
->interop
= (__DRI2interopExtension
*)extensions
[i
];
767 static const struct glx_screen_vtable dri3_screen_vtable
= {
768 .create_context
= dri3_create_context
,
769 .create_context_attribs
= dri3_create_context_attribs
,
770 .query_renderer_integer
= dri3_query_renderer_integer
,
771 .query_renderer_string
= dri3_query_renderer_string
,
774 /** dri3_create_screen
776 * Initialize DRI3 on the specified screen.
778 * Opens the DRI device, locates the appropriate DRI driver
781 * Checks to see if the driver supports the necessary extensions
783 * Initializes the driver for the screen and sets up our structures
786 static struct glx_screen
*
787 dri3_create_screen(int screen
, struct glx_display
* priv
)
789 xcb_connection_t
*c
= XGetXCBConnection(priv
->dpy
);
790 const __DRIconfig
**driver_configs
;
791 const __DRIextension
**extensions
;
792 const struct dri3_display
*const pdp
= (struct dri3_display
*)
794 struct dri3_screen
*psc
;
796 struct glx_config
*configs
= NULL
, *visuals
= NULL
;
797 char *driverName
, *deviceName
, *tmp
;
799 unsigned char disable
;
801 psc
= calloc(1, sizeof *psc
);
807 if (!glx_screen_init(&psc
->base
, screen
, priv
)) {
812 psc
->fd
= loader_dri3_open(c
, RootWindow(priv
->dpy
, screen
), None
);
814 int conn_error
= xcb_connection_has_error(c
);
816 glx_screen_cleanup(&psc
->base
);
818 InfoMessageF("screen %d does not appear to be DRI3 capable\n", screen
);
821 ErrorMessageF("Connection closed during DRI3 initialization failure");
826 psc
->fd
= loader_get_user_preferred_fd(psc
->fd
, &psc
->is_different_gpu
);
829 driverName
= loader_get_driver_for_fd(psc
->fd
);
831 ErrorMessageF("No driver found\n");
835 psc
->driver
= driOpenDriver(driverName
);
836 if (psc
->driver
== NULL
) {
837 ErrorMessageF("driver pointer missing\n");
841 extensions
= driGetDriverExtensions(psc
->driver
, driverName
);
842 if (extensions
== NULL
)
845 for (i
= 0; extensions
[i
]; i
++) {
846 if (strcmp(extensions
[i
]->name
, __DRI_CORE
) == 0)
847 psc
->core
= (__DRIcoreExtension
*) extensions
[i
];
848 if (strcmp(extensions
[i
]->name
, __DRI_IMAGE_DRIVER
) == 0)
849 psc
->image_driver
= (__DRIimageDriverExtension
*) extensions
[i
];
853 if (psc
->core
== NULL
) {
854 ErrorMessageF("core dri driver extension not found\n");
858 if (psc
->image_driver
== NULL
) {
859 ErrorMessageF("image driver extension not found\n");
864 psc
->image_driver
->createNewScreen2(screen
, psc
->fd
,
865 pdp
->loader_extensions
,
867 &driver_configs
, psc
);
869 if (psc
->driScreen
== NULL
) {
870 ErrorMessageF("failed to create dri screen\n");
874 dri3_bind_extensions(psc
, priv
, driverName
);
876 if (!psc
->image
|| psc
->image
->base
.version
< 7 || !psc
->image
->createImageFromFds
) {
877 ErrorMessageF("Version 7 or imageFromFds image extension not found\n");
881 if (!psc
->f
|| psc
->f
->base
.version
< 4) {
882 ErrorMessageF("Version 4 or later of flush extension not found\n");
886 if (psc
->is_different_gpu
&& psc
->image
->base
.version
< 9) {
887 ErrorMessageF("Different GPU, but image extension version 9 or later not found\n");
891 if (psc
->is_different_gpu
&& !psc
->image
->blitImage
) {
892 ErrorMessageF("Different GPU, but blitImage not implemented for this driver\n");
896 if (!psc
->is_different_gpu
&& (
897 !psc
->texBuffer
|| psc
->texBuffer
->base
.version
< 2 ||
898 !psc
->texBuffer
->setTexBuffer2
900 ErrorMessageF("Version 2 or later of texBuffer extension not found\n");
904 psc
->loader_dri3_ext
.core
= psc
->core
;
905 psc
->loader_dri3_ext
.image_driver
= psc
->image_driver
;
906 psc
->loader_dri3_ext
.flush
= psc
->f
;
907 psc
->loader_dri3_ext
.tex_buffer
= psc
->texBuffer
;
908 psc
->loader_dri3_ext
.image
= psc
->image
;
909 psc
->loader_dri3_ext
.config
= psc
->config
;
911 configs
= driConvertConfigs(psc
->core
, psc
->base
.configs
, driver_configs
);
912 visuals
= driConvertConfigs(psc
->core
, psc
->base
.visuals
, driver_configs
);
914 if (!configs
|| !visuals
) {
915 ErrorMessageF("No matching fbConfigs or visuals found\n");
919 glx_config_destroy_list(psc
->base
.configs
);
920 psc
->base
.configs
= configs
;
921 glx_config_destroy_list(psc
->base
.visuals
);
922 psc
->base
.visuals
= visuals
;
924 psc
->driver_configs
= driver_configs
;
926 psc
->base
.vtable
= &dri3_screen_vtable
;
928 psc
->base
.driScreen
= psp
;
929 psp
->destroyScreen
= dri3_destroy_screen
;
930 psp
->createDrawable
= dri3_create_drawable
;
931 psp
->swapBuffers
= dri3_swap_buffers
;
933 psp
->getDrawableMSC
= dri3_drawable_get_msc
;
934 psp
->waitForMSC
= dri3_wait_for_msc
;
935 psp
->waitForSBC
= dri3_wait_for_sbc
;
936 psp
->setSwapInterval
= dri3_set_swap_interval
;
937 psp
->getSwapInterval
= dri3_get_swap_interval
;
938 if (psc
->config
->configQueryb(psc
->driScreen
,
939 "glx_disable_oml_sync_control",
940 &disable
) || !disable
)
941 __glXEnableDirectExtension(&psc
->base
, "GLX_OML_sync_control");
943 psp
->copySubBuffer
= dri3_copy_sub_buffer
;
944 __glXEnableDirectExtension(&psc
->base
, "GLX_MESA_copy_sub_buffer");
946 psp
->getBufferAge
= dri3_get_buffer_age
;
947 if (psc
->config
->configQueryb(psc
->driScreen
,
948 "glx_disable_ext_buffer_age",
949 &disable
) || !disable
)
950 __glXEnableDirectExtension(&psc
->base
, "GLX_EXT_buffer_age");
955 tmp
= getenv("LIBGL_SHOW_FPS");
956 psc
->show_fps_interval
= tmp
? atoi(tmp
) : 0;
957 if (psc
->show_fps_interval
< 0)
958 psc
->show_fps_interval
= 0;
960 InfoMessageF("Using DRI3 for screen %d\n", screen
);
965 CriticalErrorMessageF("failed to load driver: %s\n", driverName
);
968 glx_config_destroy_list(configs
);
970 glx_config_destroy_list(visuals
);
972 psc
->core
->destroyScreen(psc
->driScreen
);
973 psc
->driScreen
= NULL
;
977 dlclose(psc
->driver
);
981 glx_screen_cleanup(&psc
->base
);
987 /** dri_destroy_display
989 * Called from __glXFreeDisplayPrivate.
992 dri3_destroy_display(__GLXDRIdisplay
* dpy
)
997 /** dri3_create_display
999 * Allocate, initialize and return a __DRIdisplayPrivate object.
1000 * This is called from __glXInitialize() when we are given a new
1001 * display pointer. This is public to that function, but hidden from
1004 _X_HIDDEN __GLXDRIdisplay
*
1005 dri3_create_display(Display
* dpy
)
1007 struct dri3_display
*pdp
;
1008 xcb_connection_t
*c
= XGetXCBConnection(dpy
);
1009 xcb_dri3_query_version_cookie_t dri3_cookie
;
1010 xcb_dri3_query_version_reply_t
*dri3_reply
;
1011 xcb_present_query_version_cookie_t present_cookie
;
1012 xcb_present_query_version_reply_t
*present_reply
;
1013 xcb_generic_error_t
*error
;
1014 const xcb_query_extension_reply_t
*extension
;
1016 xcb_prefetch_extension_data(c
, &xcb_dri3_id
);
1017 xcb_prefetch_extension_data(c
, &xcb_present_id
);
1019 extension
= xcb_get_extension_data(c
, &xcb_dri3_id
);
1020 if (!(extension
&& extension
->present
))
1023 extension
= xcb_get_extension_data(c
, &xcb_present_id
);
1024 if (!(extension
&& extension
->present
))
1027 dri3_cookie
= xcb_dri3_query_version(c
,
1028 XCB_DRI3_MAJOR_VERSION
,
1029 XCB_DRI3_MINOR_VERSION
);
1032 present_cookie
= xcb_present_query_version(c
,
1033 XCB_PRESENT_MAJOR_VERSION
,
1034 XCB_PRESENT_MINOR_VERSION
);
1036 pdp
= malloc(sizeof *pdp
);
1040 dri3_reply
= xcb_dri3_query_version_reply(c
, dri3_cookie
, &error
);
1046 pdp
->dri3Major
= dri3_reply
->major_version
;
1047 pdp
->dri3Minor
= dri3_reply
->minor_version
;
1050 present_reply
= xcb_present_query_version_reply(c
, present_cookie
, &error
);
1051 if (!present_reply
) {
1055 pdp
->presentMajor
= present_reply
->major_version
;
1056 pdp
->presentMinor
= present_reply
->minor_version
;
1057 free(present_reply
);
1059 pdp
->base
.destroyDisplay
= dri3_destroy_display
;
1060 pdp
->base
.createScreen
= dri3_create_screen
;
1062 loader_set_logger(dri_message
);
1064 pdp
->loader_extensions
= loader_extensions
;
1072 #endif /* GLX_DIRECT_RENDERING */