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
);
84 return (struct dri3_drawable
*)(((void*) draw
) - offset
);
88 glx_dri3_get_swap_interval(struct loader_dri3_drawable
*draw
)
90 struct dri3_drawable
*priv
= loader_drawable_to_dri3_drawable(draw
);
92 return priv
->swap_interval
;
96 glx_dri3_clamp_swap_interval(struct loader_dri3_drawable
*draw
, int interval
)
102 glx_dri3_set_swap_interval(struct loader_dri3_drawable
*draw
, int interval
)
104 struct dri3_drawable
*priv
= loader_drawable_to_dri3_drawable(draw
);
106 priv
->swap_interval
= interval
;
110 glx_dri3_set_drawable_size(struct loader_dri3_drawable
*draw
,
111 int width
, int height
)
117 glx_dri3_in_current_context(struct loader_dri3_drawable
*draw
)
119 struct dri3_drawable
*priv
= loader_drawable_to_dri3_drawable(draw
);
120 struct dri3_context
*pcp
= (struct dri3_context
*) __glXGetCurrentContext();
121 struct dri3_screen
*psc
= (struct dri3_screen
*) priv
->base
.psc
;
123 return (&pcp
->base
!= &dummyContext
) && pcp
->base
.psc
== &psc
->base
;
126 static __DRIcontext
*
127 glx_dri3_get_dri_context(struct loader_dri3_drawable
*draw
)
129 struct glx_context
*gc
= __glXGetCurrentContext();
132 struct dri3_context
*dri3Ctx
= (struct dri3_context
*) gc
;
133 return dri3Ctx
->driContext
;
140 glx_dri3_flush_drawable(struct loader_dri3_drawable
*draw
, unsigned flags
)
142 loader_dri3_flush(draw
, flags
, __DRI2_THROTTLE_SWAPBUFFER
);
146 glx_dri3_show_fps(struct loader_dri3_drawable
*draw
, uint64_t current_ust
)
148 struct dri3_drawable
*priv
= loader_drawable_to_dri3_drawable(draw
);
149 const uint64_t interval
=
150 ((struct dri3_screen
*) priv
->base
.psc
)->show_fps_interval
;
157 /* DRI3+Present together uses microseconds for UST. */
158 if (priv
->previous_ust
+ interval
* 1000000 <= current_ust
) {
159 if (priv
->previous_ust
) {
160 fprintf(stderr
, "libGL: FPS = %.1f\n",
161 ((uint64_t) priv
->frames
* 1000000) /
162 (double)(current_ust
- priv
->previous_ust
));
165 priv
->previous_ust
= current_ust
;
169 static struct loader_dri3_vtable glx_dri3_vtable
= {
170 .get_swap_interval
= glx_dri3_get_swap_interval
,
171 .clamp_swap_interval
= glx_dri3_clamp_swap_interval
,
172 .set_swap_interval
= glx_dri3_set_swap_interval
,
173 .set_drawable_size
= glx_dri3_set_drawable_size
,
174 .in_current_context
= glx_dri3_in_current_context
,
175 .get_dri_context
= glx_dri3_get_dri_context
,
176 .flush_drawable
= glx_dri3_flush_drawable
,
177 .show_fps
= glx_dri3_show_fps
,
181 static const struct glx_context_vtable dri3_context_vtable
;
184 dri3_destroy_context(struct glx_context
*context
)
186 struct dri3_context
*pcp
= (struct dri3_context
*) context
;
187 struct dri3_screen
*psc
= (struct dri3_screen
*) context
->psc
;
189 driReleaseDrawables(&pcp
->base
);
191 free((char *) context
->extensions
);
193 (*psc
->core
->destroyContext
) (pcp
->driContext
);
199 dri3_bind_context(struct glx_context
*context
, struct glx_context
*old
,
200 GLXDrawable draw
, GLXDrawable read
)
202 struct dri3_context
*pcp
= (struct dri3_context
*) context
;
203 struct dri3_screen
*psc
= (struct dri3_screen
*) pcp
->base
.psc
;
204 struct dri3_drawable
*pdraw
, *pread
;
206 pdraw
= (struct dri3_drawable
*) driFetchDrawable(context
, draw
);
207 pread
= (struct dri3_drawable
*) driFetchDrawable(context
, read
);
209 driReleaseDrawables(&pcp
->base
);
211 if (pdraw
== NULL
|| pread
== NULL
)
212 return GLXBadDrawable
;
214 if (!(*psc
->core
->bindContext
) (pcp
->driContext
,
215 pdraw
->loader_drawable
.dri_drawable
,
216 pread
->loader_drawable
.dri_drawable
))
217 return GLXBadContext
;
223 dri3_unbind_context(struct glx_context
*context
, struct glx_context
*new)
225 struct dri3_context
*pcp
= (struct dri3_context
*) context
;
226 struct dri3_screen
*psc
= (struct dri3_screen
*) pcp
->base
.psc
;
228 (*psc
->core
->unbindContext
) (pcp
->driContext
);
231 static struct glx_context
*
232 dri3_create_context_attribs(struct glx_screen
*base
,
233 struct glx_config
*config_base
,
234 struct glx_context
*shareList
,
235 unsigned num_attribs
,
236 const uint32_t *attribs
,
239 struct dri3_context
*pcp
= NULL
;
240 struct dri3_context
*pcp_shared
= NULL
;
241 struct dri3_screen
*psc
= (struct dri3_screen
*) base
;
242 __GLXDRIconfigPrivate
*config
= (__GLXDRIconfigPrivate
*) config_base
;
243 __DRIcontext
*shared
= NULL
;
245 uint32_t minor_ver
= 1;
246 uint32_t major_ver
= 2;
249 int reset
= __DRI_CTX_RESET_NO_NOTIFICATION
;
250 uint32_t ctx_attribs
[2 * 5];
251 unsigned num_ctx_attribs
= 0;
252 uint32_t render_type
;
254 /* Remap the GLX tokens to DRI2 tokens.
256 if (!dri2_convert_glx_attribs(num_attribs
, attribs
,
257 &major_ver
, &minor_ver
,
258 &render_type
, &flags
, &api
,
262 /* Check the renderType value */
263 if (!validate_renderType_against_config(config_base
, render_type
))
267 pcp_shared
= (struct dri3_context
*) shareList
;
268 shared
= pcp_shared
->driContext
;
271 pcp
= calloc(1, sizeof *pcp
);
273 *error
= __DRI_CTX_ERROR_NO_MEMORY
;
277 if (!glx_context_init(&pcp
->base
, &psc
->base
, &config
->base
))
280 ctx_attribs
[num_ctx_attribs
++] = __DRI_CTX_ATTRIB_MAJOR_VERSION
;
281 ctx_attribs
[num_ctx_attribs
++] = major_ver
;
282 ctx_attribs
[num_ctx_attribs
++] = __DRI_CTX_ATTRIB_MINOR_VERSION
;
283 ctx_attribs
[num_ctx_attribs
++] = minor_ver
;
285 /* Only send a value when the non-default value is requested. By doing
286 * this we don't have to check the driver's DRI3 version before sending the
289 if (reset
!= __DRI_CTX_RESET_NO_NOTIFICATION
) {
290 ctx_attribs
[num_ctx_attribs
++] = __DRI_CTX_ATTRIB_RESET_STRATEGY
;
291 ctx_attribs
[num_ctx_attribs
++] = reset
;
295 ctx_attribs
[num_ctx_attribs
++] = __DRI_CTX_ATTRIB_FLAGS
;
297 /* The current __DRI_CTX_FLAG_* values are identical to the
298 * GLX_CONTEXT_*_BIT values.
300 ctx_attribs
[num_ctx_attribs
++] = flags
;
304 (*psc
->image_driver
->createContextAttribs
) (psc
->driScreen
,
313 if (pcp
->driContext
== NULL
)
316 pcp
->base
.vtable
= &dri3_context_vtable
;
326 static struct glx_context
*
327 dri3_create_context(struct glx_screen
*base
,
328 struct glx_config
*config_base
,
329 struct glx_context
*shareList
, int renderType
)
333 return dri3_create_context_attribs(base
, config_base
, shareList
,
338 dri3_destroy_drawable(__GLXDRIdrawable
*base
)
340 struct dri3_drawable
*pdraw
= (struct dri3_drawable
*) base
;
342 loader_dri3_drawable_fini(&pdraw
->loader_drawable
);
347 static __GLXDRIdrawable
*
348 dri3_create_drawable(struct glx_screen
*base
, XID xDrawable
,
349 GLXDrawable drawable
, struct glx_config
*config_base
)
351 struct dri3_drawable
*pdraw
;
352 struct dri3_screen
*psc
= (struct dri3_screen
*) base
;
353 __GLXDRIconfigPrivate
*config
= (__GLXDRIconfigPrivate
*) config_base
;
355 pdraw
= calloc(1, sizeof(*pdraw
));
359 pdraw
->base
.destroyDrawable
= dri3_destroy_drawable
;
360 pdraw
->base
.xDrawable
= xDrawable
;
361 pdraw
->base
.drawable
= drawable
;
362 pdraw
->base
.psc
= &psc
->base
;
364 (void) __glXInitialize(psc
->base
.dpy
);
366 if (loader_dri3_drawable_init(XGetXCBConnection(base
->dpy
),
367 xDrawable
, psc
->driScreen
,
368 psc
->is_different_gpu
, config
->driConfig
,
369 &psc
->loader_dri3_ext
, &glx_dri3_vtable
,
370 &pdraw
->loader_drawable
)) {
378 /** dri3_wait_for_msc
380 * Get the X server to send an event when the target msc/divisor/remainder is
384 dri3_wait_for_msc(__GLXDRIdrawable
*pdraw
, int64_t target_msc
, int64_t divisor
,
385 int64_t remainder
, int64_t *ust
, int64_t *msc
, int64_t *sbc
)
387 struct dri3_drawable
*priv
= (struct dri3_drawable
*) pdraw
;
389 loader_dri3_wait_for_msc(&priv
->loader_drawable
, target_msc
, divisor
,
390 remainder
, ust
, msc
, sbc
);
395 /** dri3_drawable_get_msc
397 * Return the current UST/MSC/SBC triplet by asking the server
401 dri3_drawable_get_msc(struct glx_screen
*psc
, __GLXDRIdrawable
*pdraw
,
402 int64_t *ust
, int64_t *msc
, int64_t *sbc
)
404 return dri3_wait_for_msc(pdraw
, 0, 0, 0, ust
, msc
,sbc
);
407 /** dri3_wait_for_sbc
409 * Wait for the completed swap buffer count to reach the specified
410 * target. Presumably the application knows that this will be reached with
411 * outstanding complete events, or we're going to be here awhile.
414 dri3_wait_for_sbc(__GLXDRIdrawable
*pdraw
, int64_t target_sbc
, int64_t *ust
,
415 int64_t *msc
, int64_t *sbc
)
417 struct dri3_drawable
*priv
= (struct dri3_drawable
*) pdraw
;
419 return loader_dri3_wait_for_sbc(&priv
->loader_drawable
, target_sbc
,
424 dri3_copy_sub_buffer(__GLXDRIdrawable
*pdraw
, int x
, int y
,
425 int width
, int height
,
428 struct dri3_drawable
*priv
= (struct dri3_drawable
*) pdraw
;
430 loader_dri3_copy_sub_buffer(&priv
->loader_drawable
, x
, y
,
431 width
, height
, flush
);
435 dri3_wait_x(struct glx_context
*gc
)
437 struct dri3_drawable
*priv
= (struct dri3_drawable
*)
438 GetGLXDRIDrawable(gc
->currentDpy
, gc
->currentDrawable
);
441 loader_dri3_wait_x(&priv
->loader_drawable
);
445 dri3_wait_gl(struct glx_context
*gc
)
447 struct dri3_drawable
*priv
= (struct dri3_drawable
*)
448 GetGLXDRIDrawable(gc
->currentDpy
, gc
->currentDrawable
);
451 loader_dri3_wait_gl(&priv
->loader_drawable
);
455 * Called by the driver when it needs to update the real front buffer with the
456 * contents of its fake front buffer.
459 dri3_flush_front_buffer(__DRIdrawable
*driDrawable
, void *loaderPrivate
)
461 struct loader_dri3_drawable
*draw
= loaderPrivate
;
462 struct dri3_drawable
*pdraw
= loader_drawable_to_dri3_drawable(draw
);
463 struct dri3_screen
*psc
;
468 if (!pdraw
->base
.psc
)
471 psc
= (struct dri3_screen
*) pdraw
->base
.psc
;
473 (void) __glXInitialize(psc
->base
.dpy
);
475 loader_dri3_flush(draw
, __DRI2_FLUSH_DRAWABLE
, __DRI2_THROTTLE_FLUSHFRONT
);
477 loader_dri3_wait_gl(draw
);
480 /* The image loader extension record for DRI3
482 static const __DRIimageLoaderExtension imageLoaderExtension
= {
483 .base
= { __DRI_IMAGE_LOADER
, 1 },
485 .getBuffers
= loader_dri3_get_buffers
,
486 .flushFrontBuffer
= dri3_flush_front_buffer
,
489 const __DRIuseInvalidateExtension dri3UseInvalidate
= {
490 .base
= { __DRI_USE_INVALIDATE
, 1 }
493 static const __DRIextension
*loader_extensions
[] = {
494 &imageLoaderExtension
.base
,
495 &systemTimeExtension
.base
,
496 &dri3UseInvalidate
.base
,
500 /** dri3_swap_buffers
502 * Make the current back buffer visible using the present extension
505 dri3_swap_buffers(__GLXDRIdrawable
*pdraw
, int64_t target_msc
, int64_t divisor
,
506 int64_t remainder
, Bool flush
)
508 struct dri3_drawable
*priv
= (struct dri3_drawable
*) pdraw
;
509 unsigned flags
= __DRI2_FLUSH_DRAWABLE
;
512 flags
|= __DRI2_FLUSH_CONTEXT
;
514 return loader_dri3_swap_buffers_msc(&priv
->loader_drawable
,
515 target_msc
, divisor
, remainder
,
520 dri3_get_buffer_age(__GLXDRIdrawable
*pdraw
)
522 struct dri3_drawable
*priv
= (struct dri3_drawable
*)pdraw
;
524 return loader_dri3_query_buffer_age(&priv
->loader_drawable
);
527 /** dri3_destroy_screen
530 dri3_destroy_screen(struct glx_screen
*base
)
532 struct dri3_screen
*psc
= (struct dri3_screen
*) base
;
534 /* Free the direct rendering per screen data */
535 (*psc
->core
->destroyScreen
) (psc
->driScreen
);
536 driDestroyConfigs(psc
->driver_configs
);
541 /** dri3_set_swap_interval
543 * Record the application swap interval specification,
546 dri3_set_swap_interval(__GLXDRIdrawable
*pdraw
, int interval
)
548 struct dri3_drawable
*priv
= (struct dri3_drawable
*) pdraw
;
549 GLint vblank_mode
= DRI_CONF_VBLANK_DEF_INTERVAL_1
;
550 struct dri3_screen
*psc
= (struct dri3_screen
*) priv
->base
.psc
;
553 psc
->config
->configQueryi(psc
->driScreen
,
554 "vblank_mode", &vblank_mode
);
556 switch (vblank_mode
) {
557 case DRI_CONF_VBLANK_NEVER
:
559 return GLX_BAD_VALUE
;
561 case DRI_CONF_VBLANK_ALWAYS_SYNC
:
563 return GLX_BAD_VALUE
;
569 loader_dri3_set_swap_interval(&priv
->loader_drawable
, interval
);
574 /** dri3_get_swap_interval
576 * Return the stored swap interval
579 dri3_get_swap_interval(__GLXDRIdrawable
*pdraw
)
581 struct dri3_drawable
*priv
= (struct dri3_drawable
*) pdraw
;
583 return priv
->swap_interval
;
587 dri3_bind_tex_image(Display
* dpy
,
588 GLXDrawable drawable
,
589 int buffer
, const int *attrib_list
)
591 struct glx_context
*gc
= __glXGetCurrentContext();
592 struct dri3_context
*pcp
= (struct dri3_context
*) gc
;
593 __GLXDRIdrawable
*base
= GetGLXDRIDrawable(dpy
, drawable
);
594 struct dri3_drawable
*pdraw
= (struct dri3_drawable
*) base
;
595 struct dri3_screen
*psc
;
598 psc
= (struct dri3_screen
*) base
->psc
;
600 (*psc
->f
->invalidate
)(pdraw
->loader_drawable
.dri_drawable
);
604 (*psc
->texBuffer
->setTexBuffer2
) (pcp
->driContext
,
605 pdraw
->base
.textureTarget
,
606 pdraw
->base
.textureFormat
,
607 pdraw
->loader_drawable
.dri_drawable
);
612 dri3_release_tex_image(Display
* dpy
, GLXDrawable drawable
, int buffer
)
614 struct glx_context
*gc
= __glXGetCurrentContext();
615 struct dri3_context
*pcp
= (struct dri3_context
*) gc
;
616 __GLXDRIdrawable
*base
= GetGLXDRIDrawable(dpy
, drawable
);
617 struct dri3_drawable
*pdraw
= (struct dri3_drawable
*) base
;
618 struct dri3_screen
*psc
;
621 psc
= (struct dri3_screen
*) base
->psc
;
623 if (psc
->texBuffer
->base
.version
>= 3 &&
624 psc
->texBuffer
->releaseTexBuffer
!= NULL
)
625 (*psc
->texBuffer
->releaseTexBuffer
) (pcp
->driContext
,
626 pdraw
->base
.textureTarget
,
627 pdraw
->loader_drawable
.dri_drawable
);
631 static const struct glx_context_vtable dri3_context_vtable
= {
632 .destroy
= dri3_destroy_context
,
633 .bind
= dri3_bind_context
,
634 .unbind
= dri3_unbind_context
,
635 .wait_gl
= dri3_wait_gl
,
636 .wait_x
= dri3_wait_x
,
637 .use_x_font
= DRI_glXUseXFont
,
638 .bind_tex_image
= dri3_bind_tex_image
,
639 .release_tex_image
= dri3_release_tex_image
,
640 .get_proc_address
= NULL
,
643 /** dri3_bind_extensions
645 * Enable all of the extensions supported on DRI3
648 dri3_bind_extensions(struct dri3_screen
*psc
, struct glx_display
* priv
,
649 const char *driverName
)
651 const __DRIextension
**extensions
;
655 extensions
= psc
->core
->getExtensions(psc
->driScreen
);
657 __glXEnableDirectExtension(&psc
->base
, "GLX_SGI_video_sync");
658 __glXEnableDirectExtension(&psc
->base
, "GLX_SGI_swap_control");
659 __glXEnableDirectExtension(&psc
->base
, "GLX_MESA_swap_control");
660 __glXEnableDirectExtension(&psc
->base
, "GLX_SGI_make_current_read");
661 __glXEnableDirectExtension(&psc
->base
, "GLX_INTEL_swap_event");
663 mask
= psc
->image_driver
->getAPIMask(psc
->driScreen
);
665 __glXEnableDirectExtension(&psc
->base
, "GLX_ARB_create_context");
666 __glXEnableDirectExtension(&psc
->base
, "GLX_ARB_create_context_profile");
668 if ((mask
& (1 << __DRI_API_GLES2
)) != 0)
669 __glXEnableDirectExtension(&psc
->base
,
670 "GLX_EXT_create_context_es2_profile");
672 for (i
= 0; extensions
[i
]; i
++) {
673 /* when on a different gpu than the server, the server pixmaps
674 * can have a tiling mode we can't read. Thus we can't create
675 * a texture from them.
677 if (!psc
->is_different_gpu
&&
678 (strcmp(extensions
[i
]->name
, __DRI_TEX_BUFFER
) == 0)) {
679 psc
->texBuffer
= (__DRItexBufferExtension
*) extensions
[i
];
680 __glXEnableDirectExtension(&psc
->base
, "GLX_EXT_texture_from_pixmap");
683 if ((strcmp(extensions
[i
]->name
, __DRI2_FLUSH
) == 0)) {
684 psc
->f
= (__DRI2flushExtension
*) extensions
[i
];
685 /* internal driver extension, no GL extension exposed */
688 if (strcmp(extensions
[i
]->name
, __DRI_IMAGE
) == 0)
689 psc
->image
= (__DRIimageExtension
*) extensions
[i
];
691 if ((strcmp(extensions
[i
]->name
, __DRI2_CONFIG_QUERY
) == 0))
692 psc
->config
= (__DRI2configQueryExtension
*) extensions
[i
];
694 if (strcmp(extensions
[i
]->name
, __DRI2_ROBUSTNESS
) == 0)
695 __glXEnableDirectExtension(&psc
->base
,
696 "GLX_ARB_create_context_robustness");
698 if (strcmp(extensions
[i
]->name
, __DRI2_RENDERER_QUERY
) == 0) {
699 psc
->rendererQuery
= (__DRI2rendererQueryExtension
*) extensions
[i
];
700 __glXEnableDirectExtension(&psc
->base
, "GLX_MESA_query_renderer");
705 static const struct glx_screen_vtable dri3_screen_vtable
= {
706 .create_context
= dri3_create_context
,
707 .create_context_attribs
= dri3_create_context_attribs
,
708 .query_renderer_integer
= dri3_query_renderer_integer
,
709 .query_renderer_string
= dri3_query_renderer_string
,
712 /** dri3_create_screen
714 * Initialize DRI3 on the specified screen.
716 * Opens the DRI device, locates the appropriate DRI driver
719 * Checks to see if the driver supports the necessary extensions
721 * Initializes the driver for the screen and sets up our structures
724 static struct glx_screen
*
725 dri3_create_screen(int screen
, struct glx_display
* priv
)
727 xcb_connection_t
*c
= XGetXCBConnection(priv
->dpy
);
728 const __DRIconfig
**driver_configs
;
729 const __DRIextension
**extensions
;
730 const struct dri3_display
*const pdp
= (struct dri3_display
*)
732 struct dri3_screen
*psc
;
734 struct glx_config
*configs
= NULL
, *visuals
= NULL
;
735 char *driverName
, *deviceName
, *tmp
;
738 psc
= calloc(1, sizeof *psc
);
744 if (!glx_screen_init(&psc
->base
, screen
, priv
)) {
749 psc
->fd
= loader_dri3_open(c
, RootWindow(priv
->dpy
, screen
), None
);
751 int conn_error
= xcb_connection_has_error(c
);
753 glx_screen_cleanup(&psc
->base
);
755 InfoMessageF("screen %d does not appear to be DRI3 capable\n", screen
);
758 ErrorMessageF("Connection closed during DRI3 initialization failure");
763 psc
->fd
= loader_get_user_preferred_fd(psc
->fd
, &psc
->is_different_gpu
);
766 driverName
= loader_get_driver_for_fd(psc
->fd
, 0);
768 ErrorMessageF("No driver found\n");
772 psc
->driver
= driOpenDriver(driverName
);
773 if (psc
->driver
== NULL
) {
774 ErrorMessageF("driver pointer missing\n");
778 extensions
= driGetDriverExtensions(psc
->driver
, driverName
);
779 if (extensions
== NULL
)
782 for (i
= 0; extensions
[i
]; i
++) {
783 if (strcmp(extensions
[i
]->name
, __DRI_CORE
) == 0)
784 psc
->core
= (__DRIcoreExtension
*) extensions
[i
];
785 if (strcmp(extensions
[i
]->name
, __DRI_IMAGE_DRIVER
) == 0)
786 psc
->image_driver
= (__DRIimageDriverExtension
*) extensions
[i
];
790 if (psc
->core
== NULL
) {
791 ErrorMessageF("core dri driver extension not found\n");
795 if (psc
->image_driver
== NULL
) {
796 ErrorMessageF("image driver extension not found\n");
801 psc
->image_driver
->createNewScreen2(screen
, psc
->fd
,
802 pdp
->loader_extensions
,
804 &driver_configs
, psc
);
806 if (psc
->driScreen
== NULL
) {
807 ErrorMessageF("failed to create dri screen\n");
811 dri3_bind_extensions(psc
, priv
, driverName
);
813 if (!psc
->image
|| psc
->image
->base
.version
< 7 || !psc
->image
->createImageFromFds
) {
814 ErrorMessageF("Version 7 or imageFromFds image extension not found\n");
818 if (!psc
->f
|| psc
->f
->base
.version
< 4) {
819 ErrorMessageF("Version 4 or later of flush extension not found\n");
823 if (psc
->is_different_gpu
&& psc
->image
->base
.version
< 9) {
824 ErrorMessageF("Different GPU, but image extension version 9 or later not found\n");
828 if (psc
->is_different_gpu
&& !psc
->image
->blitImage
) {
829 ErrorMessageF("Different GPU, but blitImage not implemented for this driver\n");
833 if (!psc
->is_different_gpu
&& (
834 !psc
->texBuffer
|| psc
->texBuffer
->base
.version
< 2 ||
835 !psc
->texBuffer
->setTexBuffer2
837 ErrorMessageF("Version 2 or later of texBuffer extension not found\n");
841 psc
->loader_dri3_ext
.core
= psc
->core
;
842 psc
->loader_dri3_ext
.image_driver
= psc
->image_driver
;
843 psc
->loader_dri3_ext
.flush
= psc
->f
;
844 psc
->loader_dri3_ext
.tex_buffer
= psc
->texBuffer
;
845 psc
->loader_dri3_ext
.image
= psc
->image
;
846 psc
->loader_dri3_ext
.config
= psc
->config
;
848 configs
= driConvertConfigs(psc
->core
, psc
->base
.configs
, driver_configs
);
849 visuals
= driConvertConfigs(psc
->core
, psc
->base
.visuals
, driver_configs
);
851 if (!configs
|| !visuals
) {
852 ErrorMessageF("No matching fbConfigs or visuals found\n");
856 glx_config_destroy_list(psc
->base
.configs
);
857 psc
->base
.configs
= configs
;
858 glx_config_destroy_list(psc
->base
.visuals
);
859 psc
->base
.visuals
= visuals
;
861 psc
->driver_configs
= driver_configs
;
863 psc
->base
.vtable
= &dri3_screen_vtable
;
865 psc
->base
.driScreen
= psp
;
866 psp
->destroyScreen
= dri3_destroy_screen
;
867 psp
->createDrawable
= dri3_create_drawable
;
868 psp
->swapBuffers
= dri3_swap_buffers
;
870 psp
->getDrawableMSC
= dri3_drawable_get_msc
;
871 psp
->waitForMSC
= dri3_wait_for_msc
;
872 psp
->waitForSBC
= dri3_wait_for_sbc
;
873 psp
->setSwapInterval
= dri3_set_swap_interval
;
874 psp
->getSwapInterval
= dri3_get_swap_interval
;
875 __glXEnableDirectExtension(&psc
->base
, "GLX_OML_sync_control");
877 psp
->copySubBuffer
= dri3_copy_sub_buffer
;
878 __glXEnableDirectExtension(&psc
->base
, "GLX_MESA_copy_sub_buffer");
880 psp
->getBufferAge
= dri3_get_buffer_age
;
881 __glXEnableDirectExtension(&psc
->base
, "GLX_EXT_buffer_age");
886 tmp
= getenv("LIBGL_SHOW_FPS");
887 psc
->show_fps_interval
= tmp
? atoi(tmp
) : 0;
888 if (psc
->show_fps_interval
< 0)
889 psc
->show_fps_interval
= 0;
891 InfoMessageF("Using DRI3 for screen %d\n", screen
);
896 CriticalErrorMessageF("failed to load driver: %s\n", driverName
);
899 glx_config_destroy_list(configs
);
901 glx_config_destroy_list(visuals
);
903 psc
->core
->destroyScreen(psc
->driScreen
);
904 psc
->driScreen
= NULL
;
908 dlclose(psc
->driver
);
912 glx_screen_cleanup(&psc
->base
);
918 /** dri_destroy_display
920 * Called from __glXFreeDisplayPrivate.
923 dri3_destroy_display(__GLXDRIdisplay
* dpy
)
928 /** dri3_create_display
930 * Allocate, initialize and return a __DRIdisplayPrivate object.
931 * This is called from __glXInitialize() when we are given a new
932 * display pointer. This is public to that function, but hidden from
935 _X_HIDDEN __GLXDRIdisplay
*
936 dri3_create_display(Display
* dpy
)
938 struct dri3_display
*pdp
;
939 xcb_connection_t
*c
= XGetXCBConnection(dpy
);
940 xcb_dri3_query_version_cookie_t dri3_cookie
;
941 xcb_dri3_query_version_reply_t
*dri3_reply
;
942 xcb_present_query_version_cookie_t present_cookie
;
943 xcb_present_query_version_reply_t
*present_reply
;
944 xcb_generic_error_t
*error
;
945 const xcb_query_extension_reply_t
*extension
;
947 xcb_prefetch_extension_data(c
, &xcb_dri3_id
);
948 xcb_prefetch_extension_data(c
, &xcb_present_id
);
950 extension
= xcb_get_extension_data(c
, &xcb_dri3_id
);
951 if (!(extension
&& extension
->present
))
954 extension
= xcb_get_extension_data(c
, &xcb_present_id
);
955 if (!(extension
&& extension
->present
))
958 dri3_cookie
= xcb_dri3_query_version(c
,
959 XCB_DRI3_MAJOR_VERSION
,
960 XCB_DRI3_MINOR_VERSION
);
963 present_cookie
= xcb_present_query_version(c
,
964 XCB_PRESENT_MAJOR_VERSION
,
965 XCB_PRESENT_MINOR_VERSION
);
967 pdp
= malloc(sizeof *pdp
);
971 dri3_reply
= xcb_dri3_query_version_reply(c
, dri3_cookie
, &error
);
977 pdp
->dri3Major
= dri3_reply
->major_version
;
978 pdp
->dri3Minor
= dri3_reply
->minor_version
;
981 present_reply
= xcb_present_query_version_reply(c
, present_cookie
, &error
);
982 if (!present_reply
) {
986 pdp
->presentMajor
= present_reply
->major_version
;
987 pdp
->presentMinor
= present_reply
->minor_version
;
990 pdp
->base
.destroyDisplay
= dri3_destroy_display
;
991 pdp
->base
.createScreen
= dri3_create_screen
;
993 loader_set_logger(dri_message
);
995 pdp
->loader_extensions
= loader_extensions
;
1003 #endif /* GLX_DIRECT_RENDERING */