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
);
122 struct dri3_context
*pcp
= (struct dri3_context
*) __glXGetCurrentContext();
123 struct dri3_screen
*psc
= (struct dri3_screen
*) priv
->base
.psc
;
125 return (&pcp
->base
!= &dummyContext
) && pcp
->base
.psc
== &psc
->base
;
128 static __DRIcontext
*
129 glx_dri3_get_dri_context(struct loader_dri3_drawable
*draw
)
131 struct glx_context
*gc
= __glXGetCurrentContext();
132 struct dri3_context
*dri3Ctx
= (struct dri3_context
*) gc
;
134 return (gc
!= &dummyContext
) ? dri3Ctx
->driContext
: NULL
;
138 glx_dri3_get_dri_screen(struct loader_dri3_drawable
*draw
)
140 struct glx_context
*gc
= __glXGetCurrentContext();
141 struct dri3_context
*pcp
= (struct dri3_context
*) gc
;
142 struct dri3_screen
*psc
= (struct dri3_screen
*) pcp
->base
.psc
;
144 return (gc
!= &dummyContext
&& psc
) ? psc
->driScreen
: NULL
;
148 glx_dri3_flush_drawable(struct loader_dri3_drawable
*draw
, unsigned flags
)
150 loader_dri3_flush(draw
, flags
, __DRI2_THROTTLE_SWAPBUFFER
);
154 glx_dri3_show_fps(struct loader_dri3_drawable
*draw
, uint64_t current_ust
)
156 struct dri3_drawable
*priv
= loader_drawable_to_dri3_drawable(draw
);
157 const uint64_t interval
=
158 ((struct dri3_screen
*) priv
->base
.psc
)->show_fps_interval
;
165 /* DRI3+Present together uses microseconds for UST. */
166 if (priv
->previous_ust
+ interval
* 1000000 <= current_ust
) {
167 if (priv
->previous_ust
) {
168 fprintf(stderr
, "libGL: FPS = %.1f\n",
169 ((uint64_t) priv
->frames
* 1000000) /
170 (double)(current_ust
- priv
->previous_ust
));
173 priv
->previous_ust
= current_ust
;
177 static const struct loader_dri3_vtable glx_dri3_vtable
= {
178 .get_swap_interval
= glx_dri3_get_swap_interval
,
179 .clamp_swap_interval
= glx_dri3_clamp_swap_interval
,
180 .set_swap_interval
= glx_dri3_set_swap_interval
,
181 .set_drawable_size
= glx_dri3_set_drawable_size
,
182 .in_current_context
= glx_dri3_in_current_context
,
183 .get_dri_context
= glx_dri3_get_dri_context
,
184 .get_dri_screen
= glx_dri3_get_dri_screen
,
185 .flush_drawable
= glx_dri3_flush_drawable
,
186 .show_fps
= glx_dri3_show_fps
,
190 static const struct glx_context_vtable dri3_context_vtable
;
193 dri3_destroy_context(struct glx_context
*context
)
195 struct dri3_context
*pcp
= (struct dri3_context
*) context
;
196 struct dri3_screen
*psc
= (struct dri3_screen
*) context
->psc
;
198 driReleaseDrawables(&pcp
->base
);
200 free((char *) context
->extensions
);
202 (*psc
->core
->destroyContext
) (pcp
->driContext
);
208 dri3_bind_context(struct glx_context
*context
, struct glx_context
*old
,
209 GLXDrawable draw
, GLXDrawable read
)
211 struct dri3_context
*pcp
= (struct dri3_context
*) context
;
212 struct dri3_screen
*psc
= (struct dri3_screen
*) pcp
->base
.psc
;
213 struct dri3_drawable
*pdraw
, *pread
;
214 __DRIdrawable
*dri_draw
= NULL
, *dri_read
= NULL
;
216 pdraw
= (struct dri3_drawable
*) driFetchDrawable(context
, draw
);
217 pread
= (struct dri3_drawable
*) driFetchDrawable(context
, read
);
219 driReleaseDrawables(&pcp
->base
);
222 dri_draw
= pdraw
->loader_drawable
.dri_drawable
;
223 else if (draw
!= None
)
224 return GLXBadDrawable
;
227 dri_read
= pread
->loader_drawable
.dri_drawable
;
228 else if (read
!= None
)
229 return GLXBadDrawable
;
231 if (!(*psc
->core
->bindContext
) (pcp
->driContext
, dri_draw
, dri_read
))
232 return GLXBadContext
;
238 dri3_unbind_context(struct glx_context
*context
, struct glx_context
*new)
240 struct dri3_context
*pcp
= (struct dri3_context
*) context
;
241 struct dri3_screen
*psc
= (struct dri3_screen
*) pcp
->base
.psc
;
243 (*psc
->core
->unbindContext
) (pcp
->driContext
);
246 static struct glx_context
*
247 dri3_create_context_attribs(struct glx_screen
*base
,
248 struct glx_config
*config_base
,
249 struct glx_context
*shareList
,
250 unsigned num_attribs
,
251 const uint32_t *attribs
,
254 struct dri3_context
*pcp
= NULL
;
255 struct dri3_context
*pcp_shared
= NULL
;
256 struct dri3_screen
*psc
= (struct dri3_screen
*) base
;
257 __GLXDRIconfigPrivate
*config
= (__GLXDRIconfigPrivate
*) config_base
;
258 __DRIcontext
*shared
= NULL
;
260 uint32_t minor_ver
= 1;
261 uint32_t major_ver
= 2;
264 int reset
= __DRI_CTX_RESET_NO_NOTIFICATION
;
265 uint32_t ctx_attribs
[2 * 5];
266 unsigned num_ctx_attribs
= 0;
267 uint32_t render_type
;
269 /* Remap the GLX tokens to DRI2 tokens.
271 if (!dri2_convert_glx_attribs(num_attribs
, attribs
,
272 &major_ver
, &minor_ver
,
273 &render_type
, &flags
, &api
,
277 /* Check the renderType value */
278 if (!validate_renderType_against_config(config_base
, render_type
))
282 pcp_shared
= (struct dri3_context
*) shareList
;
283 shared
= pcp_shared
->driContext
;
286 pcp
= calloc(1, sizeof *pcp
);
288 *error
= __DRI_CTX_ERROR_NO_MEMORY
;
292 if (!glx_context_init(&pcp
->base
, &psc
->base
, &config
->base
))
295 ctx_attribs
[num_ctx_attribs
++] = __DRI_CTX_ATTRIB_MAJOR_VERSION
;
296 ctx_attribs
[num_ctx_attribs
++] = major_ver
;
297 ctx_attribs
[num_ctx_attribs
++] = __DRI_CTX_ATTRIB_MINOR_VERSION
;
298 ctx_attribs
[num_ctx_attribs
++] = minor_ver
;
300 /* Only send a value when the non-default value is requested. By doing
301 * this we don't have to check the driver's DRI3 version before sending the
304 if (reset
!= __DRI_CTX_RESET_NO_NOTIFICATION
) {
305 ctx_attribs
[num_ctx_attribs
++] = __DRI_CTX_ATTRIB_RESET_STRATEGY
;
306 ctx_attribs
[num_ctx_attribs
++] = reset
;
310 ctx_attribs
[num_ctx_attribs
++] = __DRI_CTX_ATTRIB_FLAGS
;
312 /* The current __DRI_CTX_FLAG_* values are identical to the
313 * GLX_CONTEXT_*_BIT values.
315 ctx_attribs
[num_ctx_attribs
++] = flags
;
319 (*psc
->image_driver
->createContextAttribs
) (psc
->driScreen
,
328 if (pcp
->driContext
== NULL
)
331 pcp
->base
.vtable
= &dri3_context_vtable
;
341 static struct glx_context
*
342 dri3_create_context(struct glx_screen
*base
,
343 struct glx_config
*config_base
,
344 struct glx_context
*shareList
, int renderType
)
348 return dri3_create_context_attribs(base
, config_base
, shareList
,
353 dri3_destroy_drawable(__GLXDRIdrawable
*base
)
355 struct dri3_drawable
*pdraw
= (struct dri3_drawable
*) base
;
357 loader_dri3_drawable_fini(&pdraw
->loader_drawable
);
362 static __GLXDRIdrawable
*
363 dri3_create_drawable(struct glx_screen
*base
, XID xDrawable
,
364 GLXDrawable drawable
, struct glx_config
*config_base
)
366 struct dri3_drawable
*pdraw
;
367 struct dri3_screen
*psc
= (struct dri3_screen
*) base
;
368 __GLXDRIconfigPrivate
*config
= (__GLXDRIconfigPrivate
*) config_base
;
370 pdraw
= calloc(1, sizeof(*pdraw
));
374 pdraw
->base
.destroyDrawable
= dri3_destroy_drawable
;
375 pdraw
->base
.xDrawable
= xDrawable
;
376 pdraw
->base
.drawable
= drawable
;
377 pdraw
->base
.psc
= &psc
->base
;
379 (void) __glXInitialize(psc
->base
.dpy
);
381 if (loader_dri3_drawable_init(XGetXCBConnection(base
->dpy
),
382 xDrawable
, psc
->driScreen
,
383 psc
->is_different_gpu
, config
->driConfig
,
384 &psc
->loader_dri3_ext
, &glx_dri3_vtable
,
385 &pdraw
->loader_drawable
)) {
393 /** dri3_wait_for_msc
395 * Get the X server to send an event when the target msc/divisor/remainder is
399 dri3_wait_for_msc(__GLXDRIdrawable
*pdraw
, int64_t target_msc
, int64_t divisor
,
400 int64_t remainder
, int64_t *ust
, int64_t *msc
, int64_t *sbc
)
402 struct dri3_drawable
*priv
= (struct dri3_drawable
*) pdraw
;
404 loader_dri3_wait_for_msc(&priv
->loader_drawable
, target_msc
, divisor
,
405 remainder
, ust
, msc
, sbc
);
410 /** dri3_drawable_get_msc
412 * Return the current UST/MSC/SBC triplet by asking the server
416 dri3_drawable_get_msc(struct glx_screen
*psc
, __GLXDRIdrawable
*pdraw
,
417 int64_t *ust
, int64_t *msc
, int64_t *sbc
)
419 return dri3_wait_for_msc(pdraw
, 0, 0, 0, ust
, msc
,sbc
);
422 /** dri3_wait_for_sbc
424 * Wait for the completed swap buffer count to reach the specified
425 * target. Presumably the application knows that this will be reached with
426 * outstanding complete events, or we're going to be here awhile.
429 dri3_wait_for_sbc(__GLXDRIdrawable
*pdraw
, int64_t target_sbc
, int64_t *ust
,
430 int64_t *msc
, int64_t *sbc
)
432 struct dri3_drawable
*priv
= (struct dri3_drawable
*) pdraw
;
434 return loader_dri3_wait_for_sbc(&priv
->loader_drawable
, target_sbc
,
439 dri3_copy_sub_buffer(__GLXDRIdrawable
*pdraw
, int x
, int y
,
440 int width
, int height
,
443 struct dri3_drawable
*priv
= (struct dri3_drawable
*) pdraw
;
445 loader_dri3_copy_sub_buffer(&priv
->loader_drawable
, x
, y
,
446 width
, height
, flush
);
450 dri3_wait_x(struct glx_context
*gc
)
452 struct dri3_drawable
*priv
= (struct dri3_drawable
*)
453 GetGLXDRIDrawable(gc
->currentDpy
, gc
->currentDrawable
);
456 loader_dri3_wait_x(&priv
->loader_drawable
);
460 dri3_wait_gl(struct glx_context
*gc
)
462 struct dri3_drawable
*priv
= (struct dri3_drawable
*)
463 GetGLXDRIDrawable(gc
->currentDpy
, gc
->currentDrawable
);
466 loader_dri3_wait_gl(&priv
->loader_drawable
);
470 * Called by the driver when it needs to update the real front buffer with the
471 * contents of its fake front buffer.
474 dri3_flush_front_buffer(__DRIdrawable
*driDrawable
, void *loaderPrivate
)
476 struct loader_dri3_drawable
*draw
= loaderPrivate
;
477 struct dri3_drawable
*pdraw
= loader_drawable_to_dri3_drawable(draw
);
478 struct dri3_screen
*psc
;
483 if (!pdraw
->base
.psc
)
486 psc
= (struct dri3_screen
*) pdraw
->base
.psc
;
488 (void) __glXInitialize(psc
->base
.dpy
);
490 loader_dri3_flush(draw
, __DRI2_FLUSH_DRAWABLE
, __DRI2_THROTTLE_FLUSHFRONT
);
492 loader_dri3_wait_gl(draw
);
495 /* The image loader extension record for DRI3
497 static const __DRIimageLoaderExtension imageLoaderExtension
= {
498 .base
= { __DRI_IMAGE_LOADER
, 1 },
500 .getBuffers
= loader_dri3_get_buffers
,
501 .flushFrontBuffer
= dri3_flush_front_buffer
,
504 const __DRIuseInvalidateExtension dri3UseInvalidate
= {
505 .base
= { __DRI_USE_INVALIDATE
, 1 }
508 static const __DRIextension
*loader_extensions
[] = {
509 &imageLoaderExtension
.base
,
510 &systemTimeExtension
.base
,
511 &dri3UseInvalidate
.base
,
515 /** dri3_swap_buffers
517 * Make the current back buffer visible using the present extension
520 dri3_swap_buffers(__GLXDRIdrawable
*pdraw
, int64_t target_msc
, int64_t divisor
,
521 int64_t remainder
, Bool flush
)
523 struct dri3_drawable
*priv
= (struct dri3_drawable
*) pdraw
;
524 unsigned flags
= __DRI2_FLUSH_DRAWABLE
;
527 flags
|= __DRI2_FLUSH_CONTEXT
;
529 return loader_dri3_swap_buffers_msc(&priv
->loader_drawable
,
530 target_msc
, divisor
, remainder
,
535 dri3_get_buffer_age(__GLXDRIdrawable
*pdraw
)
537 struct dri3_drawable
*priv
= (struct dri3_drawable
*)pdraw
;
539 return loader_dri3_query_buffer_age(&priv
->loader_drawable
);
542 /** dri3_destroy_screen
545 dri3_destroy_screen(struct glx_screen
*base
)
547 struct dri3_screen
*psc
= (struct dri3_screen
*) base
;
549 /* Free the direct rendering per screen data */
550 (*psc
->core
->destroyScreen
) (psc
->driScreen
);
551 driDestroyConfigs(psc
->driver_configs
);
556 /** dri3_set_swap_interval
558 * Record the application swap interval specification,
561 dri3_set_swap_interval(__GLXDRIdrawable
*pdraw
, int interval
)
563 struct dri3_drawable
*priv
= (struct dri3_drawable
*) pdraw
;
564 GLint vblank_mode
= DRI_CONF_VBLANK_DEF_INTERVAL_1
;
565 struct dri3_screen
*psc
= (struct dri3_screen
*) priv
->base
.psc
;
568 psc
->config
->configQueryi(psc
->driScreen
,
569 "vblank_mode", &vblank_mode
);
571 switch (vblank_mode
) {
572 case DRI_CONF_VBLANK_NEVER
:
574 return GLX_BAD_VALUE
;
576 case DRI_CONF_VBLANK_ALWAYS_SYNC
:
578 return GLX_BAD_VALUE
;
584 loader_dri3_set_swap_interval(&priv
->loader_drawable
, interval
);
589 /** dri3_get_swap_interval
591 * Return the stored swap interval
594 dri3_get_swap_interval(__GLXDRIdrawable
*pdraw
)
596 struct dri3_drawable
*priv
= (struct dri3_drawable
*) pdraw
;
598 return priv
->swap_interval
;
602 dri3_bind_tex_image(Display
* dpy
,
603 GLXDrawable drawable
,
604 int buffer
, const int *attrib_list
)
606 struct glx_context
*gc
= __glXGetCurrentContext();
607 struct dri3_context
*pcp
= (struct dri3_context
*) gc
;
608 __GLXDRIdrawable
*base
= GetGLXDRIDrawable(dpy
, drawable
);
609 struct dri3_drawable
*pdraw
= (struct dri3_drawable
*) base
;
610 struct dri3_screen
*psc
;
613 psc
= (struct dri3_screen
*) base
->psc
;
615 (*psc
->f
->invalidate
)(pdraw
->loader_drawable
.dri_drawable
);
619 (*psc
->texBuffer
->setTexBuffer2
) (pcp
->driContext
,
620 pdraw
->base
.textureTarget
,
621 pdraw
->base
.textureFormat
,
622 pdraw
->loader_drawable
.dri_drawable
);
627 dri3_release_tex_image(Display
* dpy
, GLXDrawable drawable
, int buffer
)
629 struct glx_context
*gc
= __glXGetCurrentContext();
630 struct dri3_context
*pcp
= (struct dri3_context
*) gc
;
631 __GLXDRIdrawable
*base
= GetGLXDRIDrawable(dpy
, drawable
);
632 struct dri3_drawable
*pdraw
= (struct dri3_drawable
*) base
;
633 struct dri3_screen
*psc
;
636 psc
= (struct dri3_screen
*) base
->psc
;
638 if (psc
->texBuffer
->base
.version
>= 3 &&
639 psc
->texBuffer
->releaseTexBuffer
!= NULL
)
640 (*psc
->texBuffer
->releaseTexBuffer
) (pcp
->driContext
,
641 pdraw
->base
.textureTarget
,
642 pdraw
->loader_drawable
.dri_drawable
);
646 static const struct glx_context_vtable dri3_context_vtable
= {
647 .destroy
= dri3_destroy_context
,
648 .bind
= dri3_bind_context
,
649 .unbind
= dri3_unbind_context
,
650 .wait_gl
= dri3_wait_gl
,
651 .wait_x
= dri3_wait_x
,
652 .use_x_font
= DRI_glXUseXFont
,
653 .bind_tex_image
= dri3_bind_tex_image
,
654 .release_tex_image
= dri3_release_tex_image
,
655 .get_proc_address
= NULL
,
656 .interop_query_device_info
= dri3_interop_query_device_info
,
657 .interop_export_object
= dri3_interop_export_object
660 /** dri3_bind_extensions
662 * Enable all of the extensions supported on DRI3
665 dri3_bind_extensions(struct dri3_screen
*psc
, struct glx_display
* priv
,
666 const char *driverName
)
668 const __DRIextension
**extensions
;
672 extensions
= psc
->core
->getExtensions(psc
->driScreen
);
674 __glXEnableDirectExtension(&psc
->base
, "GLX_SGI_video_sync");
675 __glXEnableDirectExtension(&psc
->base
, "GLX_SGI_swap_control");
676 __glXEnableDirectExtension(&psc
->base
, "GLX_MESA_swap_control");
677 __glXEnableDirectExtension(&psc
->base
, "GLX_SGI_make_current_read");
678 __glXEnableDirectExtension(&psc
->base
, "GLX_INTEL_swap_event");
680 mask
= psc
->image_driver
->getAPIMask(psc
->driScreen
);
682 __glXEnableDirectExtension(&psc
->base
, "GLX_ARB_create_context");
683 __glXEnableDirectExtension(&psc
->base
, "GLX_ARB_create_context_profile");
685 if ((mask
& ((1 << __DRI_API_GLES
) |
686 (1 << __DRI_API_GLES2
) |
687 (1 << __DRI_API_GLES3
))) != 0) {
688 __glXEnableDirectExtension(&psc
->base
,
689 "GLX_EXT_create_context_es_profile");
690 __glXEnableDirectExtension(&psc
->base
,
691 "GLX_EXT_create_context_es2_profile");
694 for (i
= 0; extensions
[i
]; i
++) {
695 /* when on a different gpu than the server, the server pixmaps
696 * can have a tiling mode we can't read. Thus we can't create
697 * a texture from them.
699 if (!psc
->is_different_gpu
&&
700 (strcmp(extensions
[i
]->name
, __DRI_TEX_BUFFER
) == 0)) {
701 psc
->texBuffer
= (__DRItexBufferExtension
*) extensions
[i
];
702 __glXEnableDirectExtension(&psc
->base
, "GLX_EXT_texture_from_pixmap");
705 if ((strcmp(extensions
[i
]->name
, __DRI2_FLUSH
) == 0)) {
706 psc
->f
= (__DRI2flushExtension
*) extensions
[i
];
707 /* internal driver extension, no GL extension exposed */
710 if (strcmp(extensions
[i
]->name
, __DRI_IMAGE
) == 0)
711 psc
->image
= (__DRIimageExtension
*) extensions
[i
];
713 if ((strcmp(extensions
[i
]->name
, __DRI2_CONFIG_QUERY
) == 0))
714 psc
->config
= (__DRI2configQueryExtension
*) extensions
[i
];
716 if (strcmp(extensions
[i
]->name
, __DRI2_ROBUSTNESS
) == 0)
717 __glXEnableDirectExtension(&psc
->base
,
718 "GLX_ARB_create_context_robustness");
720 if (strcmp(extensions
[i
]->name
, __DRI2_RENDERER_QUERY
) == 0) {
721 psc
->rendererQuery
= (__DRI2rendererQueryExtension
*) extensions
[i
];
722 __glXEnableDirectExtension(&psc
->base
, "GLX_MESA_query_renderer");
725 if (strcmp(extensions
[i
]->name
, __DRI2_INTEROP
) == 0)
726 psc
->interop
= (__DRI2interopExtension
*)extensions
[i
];
730 static const struct glx_screen_vtable dri3_screen_vtable
= {
731 .create_context
= dri3_create_context
,
732 .create_context_attribs
= dri3_create_context_attribs
,
733 .query_renderer_integer
= dri3_query_renderer_integer
,
734 .query_renderer_string
= dri3_query_renderer_string
,
737 /** dri3_create_screen
739 * Initialize DRI3 on the specified screen.
741 * Opens the DRI device, locates the appropriate DRI driver
744 * Checks to see if the driver supports the necessary extensions
746 * Initializes the driver for the screen and sets up our structures
749 static struct glx_screen
*
750 dri3_create_screen(int screen
, struct glx_display
* priv
)
752 xcb_connection_t
*c
= XGetXCBConnection(priv
->dpy
);
753 const __DRIconfig
**driver_configs
;
754 const __DRIextension
**extensions
;
755 const struct dri3_display
*const pdp
= (struct dri3_display
*)
757 struct dri3_screen
*psc
;
759 struct glx_config
*configs
= NULL
, *visuals
= NULL
;
760 char *driverName
, *deviceName
, *tmp
;
763 psc
= calloc(1, sizeof *psc
);
769 if (!glx_screen_init(&psc
->base
, screen
, priv
)) {
774 psc
->fd
= loader_dri3_open(c
, RootWindow(priv
->dpy
, screen
), None
);
776 int conn_error
= xcb_connection_has_error(c
);
778 glx_screen_cleanup(&psc
->base
);
780 InfoMessageF("screen %d does not appear to be DRI3 capable\n", screen
);
783 ErrorMessageF("Connection closed during DRI3 initialization failure");
788 psc
->fd
= loader_get_user_preferred_fd(psc
->fd
, &psc
->is_different_gpu
);
791 driverName
= loader_get_driver_for_fd(psc
->fd
);
793 ErrorMessageF("No driver found\n");
797 psc
->driver
= driOpenDriver(driverName
);
798 if (psc
->driver
== NULL
) {
799 ErrorMessageF("driver pointer missing\n");
803 extensions
= driGetDriverExtensions(psc
->driver
, driverName
);
804 if (extensions
== NULL
)
807 for (i
= 0; extensions
[i
]; i
++) {
808 if (strcmp(extensions
[i
]->name
, __DRI_CORE
) == 0)
809 psc
->core
= (__DRIcoreExtension
*) extensions
[i
];
810 if (strcmp(extensions
[i
]->name
, __DRI_IMAGE_DRIVER
) == 0)
811 psc
->image_driver
= (__DRIimageDriverExtension
*) extensions
[i
];
815 if (psc
->core
== NULL
) {
816 ErrorMessageF("core dri driver extension not found\n");
820 if (psc
->image_driver
== NULL
) {
821 ErrorMessageF("image driver extension not found\n");
826 psc
->image_driver
->createNewScreen2(screen
, psc
->fd
,
827 pdp
->loader_extensions
,
829 &driver_configs
, psc
);
831 if (psc
->driScreen
== NULL
) {
832 ErrorMessageF("failed to create dri screen\n");
836 dri3_bind_extensions(psc
, priv
, driverName
);
838 if (!psc
->image
|| psc
->image
->base
.version
< 7 || !psc
->image
->createImageFromFds
) {
839 ErrorMessageF("Version 7 or imageFromFds image extension not found\n");
843 if (!psc
->f
|| psc
->f
->base
.version
< 4) {
844 ErrorMessageF("Version 4 or later of flush extension not found\n");
848 if (psc
->is_different_gpu
&& psc
->image
->base
.version
< 9) {
849 ErrorMessageF("Different GPU, but image extension version 9 or later not found\n");
853 if (psc
->is_different_gpu
&& !psc
->image
->blitImage
) {
854 ErrorMessageF("Different GPU, but blitImage not implemented for this driver\n");
858 if (!psc
->is_different_gpu
&& (
859 !psc
->texBuffer
|| psc
->texBuffer
->base
.version
< 2 ||
860 !psc
->texBuffer
->setTexBuffer2
862 ErrorMessageF("Version 2 or later of texBuffer extension not found\n");
866 psc
->loader_dri3_ext
.core
= psc
->core
;
867 psc
->loader_dri3_ext
.image_driver
= psc
->image_driver
;
868 psc
->loader_dri3_ext
.flush
= psc
->f
;
869 psc
->loader_dri3_ext
.tex_buffer
= psc
->texBuffer
;
870 psc
->loader_dri3_ext
.image
= psc
->image
;
871 psc
->loader_dri3_ext
.config
= psc
->config
;
873 configs
= driConvertConfigs(psc
->core
, psc
->base
.configs
, driver_configs
);
874 visuals
= driConvertConfigs(psc
->core
, psc
->base
.visuals
, driver_configs
);
876 if (!configs
|| !visuals
) {
877 ErrorMessageF("No matching fbConfigs or visuals found\n");
881 glx_config_destroy_list(psc
->base
.configs
);
882 psc
->base
.configs
= configs
;
883 glx_config_destroy_list(psc
->base
.visuals
);
884 psc
->base
.visuals
= visuals
;
886 psc
->driver_configs
= driver_configs
;
888 psc
->base
.vtable
= &dri3_screen_vtable
;
890 psc
->base
.driScreen
= psp
;
891 psp
->destroyScreen
= dri3_destroy_screen
;
892 psp
->createDrawable
= dri3_create_drawable
;
893 psp
->swapBuffers
= dri3_swap_buffers
;
895 psp
->getDrawableMSC
= dri3_drawable_get_msc
;
896 psp
->waitForMSC
= dri3_wait_for_msc
;
897 psp
->waitForSBC
= dri3_wait_for_sbc
;
898 psp
->setSwapInterval
= dri3_set_swap_interval
;
899 psp
->getSwapInterval
= dri3_get_swap_interval
;
900 __glXEnableDirectExtension(&psc
->base
, "GLX_OML_sync_control");
902 psp
->copySubBuffer
= dri3_copy_sub_buffer
;
903 __glXEnableDirectExtension(&psc
->base
, "GLX_MESA_copy_sub_buffer");
905 psp
->getBufferAge
= dri3_get_buffer_age
;
906 __glXEnableDirectExtension(&psc
->base
, "GLX_EXT_buffer_age");
911 tmp
= getenv("LIBGL_SHOW_FPS");
912 psc
->show_fps_interval
= tmp
? atoi(tmp
) : 0;
913 if (psc
->show_fps_interval
< 0)
914 psc
->show_fps_interval
= 0;
916 InfoMessageF("Using DRI3 for screen %d\n", screen
);
921 CriticalErrorMessageF("failed to load driver: %s\n", driverName
);
924 glx_config_destroy_list(configs
);
926 glx_config_destroy_list(visuals
);
928 psc
->core
->destroyScreen(psc
->driScreen
);
929 psc
->driScreen
= NULL
;
933 dlclose(psc
->driver
);
937 glx_screen_cleanup(&psc
->base
);
943 /** dri_destroy_display
945 * Called from __glXFreeDisplayPrivate.
948 dri3_destroy_display(__GLXDRIdisplay
* dpy
)
953 /** dri3_create_display
955 * Allocate, initialize and return a __DRIdisplayPrivate object.
956 * This is called from __glXInitialize() when we are given a new
957 * display pointer. This is public to that function, but hidden from
960 _X_HIDDEN __GLXDRIdisplay
*
961 dri3_create_display(Display
* dpy
)
963 struct dri3_display
*pdp
;
964 xcb_connection_t
*c
= XGetXCBConnection(dpy
);
965 xcb_dri3_query_version_cookie_t dri3_cookie
;
966 xcb_dri3_query_version_reply_t
*dri3_reply
;
967 xcb_present_query_version_cookie_t present_cookie
;
968 xcb_present_query_version_reply_t
*present_reply
;
969 xcb_generic_error_t
*error
;
970 const xcb_query_extension_reply_t
*extension
;
972 xcb_prefetch_extension_data(c
, &xcb_dri3_id
);
973 xcb_prefetch_extension_data(c
, &xcb_present_id
);
975 extension
= xcb_get_extension_data(c
, &xcb_dri3_id
);
976 if (!(extension
&& extension
->present
))
979 extension
= xcb_get_extension_data(c
, &xcb_present_id
);
980 if (!(extension
&& extension
->present
))
983 dri3_cookie
= xcb_dri3_query_version(c
,
984 XCB_DRI3_MAJOR_VERSION
,
985 XCB_DRI3_MINOR_VERSION
);
988 present_cookie
= xcb_present_query_version(c
,
989 XCB_PRESENT_MAJOR_VERSION
,
990 XCB_PRESENT_MINOR_VERSION
);
992 pdp
= malloc(sizeof *pdp
);
996 dri3_reply
= xcb_dri3_query_version_reply(c
, dri3_cookie
, &error
);
1002 pdp
->dri3Major
= dri3_reply
->major_version
;
1003 pdp
->dri3Minor
= dri3_reply
->minor_version
;
1006 present_reply
= xcb_present_query_version_reply(c
, present_cookie
, &error
);
1007 if (!present_reply
) {
1011 pdp
->presentMajor
= present_reply
->major_version
;
1012 pdp
->presentMinor
= present_reply
->minor_version
;
1013 free(present_reply
);
1015 pdp
->base
.destroyDisplay
= dri3_destroy_display
;
1016 pdp
->base
.createScreen
= dri3_create_screen
;
1018 loader_set_logger(dri_message
);
1020 pdp
->loader_extensions
= loader_extensions
;
1028 #endif /* GLX_DIRECT_RENDERING */