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_set_drawable_size(struct loader_dri3_drawable
*draw
,
91 int width
, int height
)
97 glx_dri3_in_current_context(struct loader_dri3_drawable
*draw
)
99 struct dri3_drawable
*priv
= loader_drawable_to_dri3_drawable(draw
);
104 struct dri3_context
*pcp
= (struct dri3_context
*) __glXGetCurrentContext();
105 struct dri3_screen
*psc
= (struct dri3_screen
*) priv
->base
.psc
;
107 return (&pcp
->base
!= &dummyContext
) && pcp
->base
.psc
== &psc
->base
;
110 static __DRIcontext
*
111 glx_dri3_get_dri_context(struct loader_dri3_drawable
*draw
)
113 struct glx_context
*gc
= __glXGetCurrentContext();
114 struct dri3_context
*dri3Ctx
= (struct dri3_context
*) gc
;
116 return (gc
!= &dummyContext
) ? dri3Ctx
->driContext
: NULL
;
120 glx_dri3_get_dri_screen(void)
122 struct glx_context
*gc
= __glXGetCurrentContext();
123 struct dri3_context
*pcp
= (struct dri3_context
*) gc
;
124 struct dri3_screen
*psc
= (struct dri3_screen
*) pcp
->base
.psc
;
126 return (gc
!= &dummyContext
&& psc
) ? psc
->driScreen
: NULL
;
130 glx_dri3_flush_drawable(struct loader_dri3_drawable
*draw
, unsigned flags
)
132 loader_dri3_flush(draw
, flags
, __DRI2_THROTTLE_SWAPBUFFER
);
136 glx_dri3_show_fps(struct loader_dri3_drawable
*draw
, uint64_t current_ust
)
138 struct dri3_drawable
*priv
= loader_drawable_to_dri3_drawable(draw
);
139 const uint64_t interval
=
140 ((struct dri3_screen
*) priv
->base
.psc
)->show_fps_interval
;
147 /* DRI3+Present together uses microseconds for UST. */
148 if (priv
->previous_ust
+ interval
* 1000000 <= current_ust
) {
149 if (priv
->previous_ust
) {
150 fprintf(stderr
, "libGL: FPS = %.1f\n",
151 ((uint64_t) priv
->frames
* 1000000) /
152 (double)(current_ust
- priv
->previous_ust
));
155 priv
->previous_ust
= current_ust
;
159 static const struct loader_dri3_vtable glx_dri3_vtable
= {
160 .set_drawable_size
= glx_dri3_set_drawable_size
,
161 .in_current_context
= glx_dri3_in_current_context
,
162 .get_dri_context
= glx_dri3_get_dri_context
,
163 .get_dri_screen
= glx_dri3_get_dri_screen
,
164 .flush_drawable
= glx_dri3_flush_drawable
,
165 .show_fps
= glx_dri3_show_fps
,
169 static const struct glx_context_vtable dri3_context_vtable
;
172 dri3_destroy_context(struct glx_context
*context
)
174 struct dri3_context
*pcp
= (struct dri3_context
*) context
;
175 struct dri3_screen
*psc
= (struct dri3_screen
*) context
->psc
;
177 driReleaseDrawables(&pcp
->base
);
179 free((char *) context
->extensions
);
181 (*psc
->core
->destroyContext
) (pcp
->driContext
);
187 dri3_bind_context(struct glx_context
*context
, struct glx_context
*old
,
188 GLXDrawable draw
, GLXDrawable read
)
190 struct dri3_context
*pcp
= (struct dri3_context
*) context
;
191 struct dri3_screen
*psc
= (struct dri3_screen
*) pcp
->base
.psc
;
192 struct dri3_drawable
*pdraw
, *pread
;
193 __DRIdrawable
*dri_draw
= NULL
, *dri_read
= NULL
;
195 pdraw
= (struct dri3_drawable
*) driFetchDrawable(context
, draw
);
196 pread
= (struct dri3_drawable
*) driFetchDrawable(context
, read
);
198 driReleaseDrawables(&pcp
->base
);
201 dri_draw
= pdraw
->loader_drawable
.dri_drawable
;
202 else if (draw
!= None
)
203 return GLXBadDrawable
;
206 dri_read
= pread
->loader_drawable
.dri_drawable
;
207 else if (read
!= None
)
208 return GLXBadDrawable
;
210 if (!(*psc
->core
->bindContext
) (pcp
->driContext
, dri_draw
, dri_read
))
211 return GLXBadContext
;
214 (*psc
->f
->invalidate
)(dri_draw
);
215 if (dri_read
&& dri_read
!= dri_draw
)
216 (*psc
->f
->invalidate
)(dri_read
);
222 dri3_unbind_context(struct glx_context
*context
, struct glx_context
*new)
224 struct dri3_context
*pcp
= (struct dri3_context
*) context
;
225 struct dri3_screen
*psc
= (struct dri3_screen
*) pcp
->base
.psc
;
227 (*psc
->core
->unbindContext
) (pcp
->driContext
);
230 static struct glx_context
*
231 dri3_create_context_attribs(struct glx_screen
*base
,
232 struct glx_config
*config_base
,
233 struct glx_context
*shareList
,
234 unsigned num_attribs
,
235 const uint32_t *attribs
,
238 struct dri3_context
*pcp
= NULL
;
239 struct dri3_context
*pcp_shared
= NULL
;
240 struct dri3_screen
*psc
= (struct dri3_screen
*) base
;
241 __GLXDRIconfigPrivate
*config
= (__GLXDRIconfigPrivate
*) config_base
;
242 __DRIcontext
*shared
= NULL
;
244 uint32_t minor_ver
= 1;
245 uint32_t major_ver
= 2;
248 int reset
= __DRI_CTX_RESET_NO_NOTIFICATION
;
249 int release
= __DRI_CTX_RELEASE_BEHAVIOR_FLUSH
;
250 uint32_t ctx_attribs
[2 * 6];
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
,
259 &reset
, &release
, error
))
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
;
294 if (release
!= __DRI_CTX_RELEASE_BEHAVIOR_FLUSH
) {
295 ctx_attribs
[num_ctx_attribs
++] = __DRI_CTX_ATTRIB_RELEASE_BEHAVIOR
;
296 ctx_attribs
[num_ctx_attribs
++] = release
;
300 ctx_attribs
[num_ctx_attribs
++] = __DRI_CTX_ATTRIB_FLAGS
;
302 /* The current __DRI_CTX_FLAG_* values are identical to the
303 * GLX_CONTEXT_*_BIT values.
305 ctx_attribs
[num_ctx_attribs
++] = flags
;
309 (*psc
->image_driver
->createContextAttribs
) (psc
->driScreen
,
311 config
? config
->driConfig
319 if (pcp
->driContext
== NULL
)
322 pcp
->base
.vtable
= &dri3_context_vtable
;
332 static struct glx_context
*
333 dri3_create_context(struct glx_screen
*base
,
334 struct glx_config
*config_base
,
335 struct glx_context
*shareList
, int renderType
)
338 uint32_t attribs
[2] = { GLX_RENDER_TYPE
, renderType
};
340 return dri3_create_context_attribs(base
, config_base
, shareList
,
345 dri3_destroy_drawable(__GLXDRIdrawable
*base
)
347 struct dri3_drawable
*pdraw
= (struct dri3_drawable
*) base
;
349 loader_dri3_drawable_fini(&pdraw
->loader_drawable
);
354 static __GLXDRIdrawable
*
355 dri3_create_drawable(struct glx_screen
*base
, XID xDrawable
,
356 GLXDrawable drawable
, struct glx_config
*config_base
)
358 struct dri3_drawable
*pdraw
;
359 struct dri3_screen
*psc
= (struct dri3_screen
*) base
;
360 __GLXDRIconfigPrivate
*config
= (__GLXDRIconfigPrivate
*) config_base
;
362 pdraw
= calloc(1, sizeof(*pdraw
));
366 pdraw
->base
.destroyDrawable
= dri3_destroy_drawable
;
367 pdraw
->base
.xDrawable
= xDrawable
;
368 pdraw
->base
.drawable
= drawable
;
369 pdraw
->base
.psc
= &psc
->base
;
371 (void) __glXInitialize(psc
->base
.dpy
);
373 if (loader_dri3_drawable_init(XGetXCBConnection(base
->dpy
),
374 xDrawable
, psc
->driScreen
,
375 psc
->is_different_gpu
, config
->driConfig
,
376 &psc
->loader_dri3_ext
, &glx_dri3_vtable
,
377 &pdraw
->loader_drawable
)) {
385 /** dri3_wait_for_msc
387 * Get the X server to send an event when the target msc/divisor/remainder is
391 dri3_wait_for_msc(__GLXDRIdrawable
*pdraw
, int64_t target_msc
, int64_t divisor
,
392 int64_t remainder
, int64_t *ust
, int64_t *msc
, int64_t *sbc
)
394 struct dri3_drawable
*priv
= (struct dri3_drawable
*) pdraw
;
396 loader_dri3_wait_for_msc(&priv
->loader_drawable
, target_msc
, divisor
,
397 remainder
, ust
, msc
, sbc
);
402 /** dri3_drawable_get_msc
404 * Return the current UST/MSC/SBC triplet by asking the server
408 dri3_drawable_get_msc(struct glx_screen
*psc
, __GLXDRIdrawable
*pdraw
,
409 int64_t *ust
, int64_t *msc
, int64_t *sbc
)
411 return dri3_wait_for_msc(pdraw
, 0, 0, 0, ust
, msc
,sbc
);
414 /** dri3_wait_for_sbc
416 * Wait for the completed swap buffer count to reach the specified
417 * target. Presumably the application knows that this will be reached with
418 * outstanding complete events, or we're going to be here awhile.
421 dri3_wait_for_sbc(__GLXDRIdrawable
*pdraw
, int64_t target_sbc
, int64_t *ust
,
422 int64_t *msc
, int64_t *sbc
)
424 struct dri3_drawable
*priv
= (struct dri3_drawable
*) pdraw
;
426 return loader_dri3_wait_for_sbc(&priv
->loader_drawable
, target_sbc
,
431 dri3_copy_sub_buffer(__GLXDRIdrawable
*pdraw
, int x
, int y
,
432 int width
, int height
,
435 struct dri3_drawable
*priv
= (struct dri3_drawable
*) pdraw
;
437 loader_dri3_copy_sub_buffer(&priv
->loader_drawable
, x
, y
,
438 width
, height
, flush
);
442 dri3_wait_x(struct glx_context
*gc
)
444 struct dri3_drawable
*priv
= (struct dri3_drawable
*)
445 GetGLXDRIDrawable(gc
->currentDpy
, gc
->currentDrawable
);
448 loader_dri3_wait_x(&priv
->loader_drawable
);
452 dri3_wait_gl(struct glx_context
*gc
)
454 struct dri3_drawable
*priv
= (struct dri3_drawable
*)
455 GetGLXDRIDrawable(gc
->currentDpy
, gc
->currentDrawable
);
458 loader_dri3_wait_gl(&priv
->loader_drawable
);
462 * Called by the driver when it needs to update the real front buffer with the
463 * contents of its fake front buffer.
466 dri3_flush_front_buffer(__DRIdrawable
*driDrawable
, void *loaderPrivate
)
468 struct loader_dri3_drawable
*draw
= loaderPrivate
;
469 struct dri3_drawable
*pdraw
= loader_drawable_to_dri3_drawable(draw
);
470 struct dri3_screen
*psc
;
475 if (!pdraw
->base
.psc
)
478 psc
= (struct dri3_screen
*) pdraw
->base
.psc
;
480 (void) __glXInitialize(psc
->base
.dpy
);
482 loader_dri3_flush(draw
, __DRI2_FLUSH_DRAWABLE
, __DRI2_THROTTLE_FLUSHFRONT
);
484 (*psc
->f
->invalidate
)(driDrawable
);
485 loader_dri3_wait_gl(draw
);
489 * Make sure all pending swapbuffers have been submitted to hardware
491 * \param driDrawable[in] Pointer to the dri drawable whose swaps we are
493 * \param loaderPrivate[in] Pointer to the corresponding struct
494 * loader_dri_drawable.
497 dri3_flush_swap_buffers(__DRIdrawable
*driDrawable
, void *loaderPrivate
)
499 struct loader_dri3_drawable
*draw
= loaderPrivate
;
500 struct dri3_drawable
*pdraw
= loader_drawable_to_dri3_drawable(draw
);
501 struct dri3_screen
*psc
;
506 if (!pdraw
->base
.psc
)
509 psc
= (struct dri3_screen
*) pdraw
->base
.psc
;
511 (void) __glXInitialize(psc
->base
.dpy
);
512 loader_dri3_swapbuffer_barrier(draw
);
516 dri_set_background_context(void *loaderPrivate
)
518 struct dri3_context
*pcp
= (struct dri3_context
*)loaderPrivate
;
519 __glXSetCurrentContext(&pcp
->base
);
523 dri_is_thread_safe(void *loaderPrivate
)
525 /* Unlike DRI2, DRI3 doesn't call GetBuffers/GetBuffersWithFormat
526 * during draw so we're safe here.
531 /* The image loader extension record for DRI3
533 static const __DRIimageLoaderExtension imageLoaderExtension
= {
534 .base
= { __DRI_IMAGE_LOADER
, 3 },
536 .getBuffers
= loader_dri3_get_buffers
,
537 .flushFrontBuffer
= dri3_flush_front_buffer
,
538 .flushSwapBuffers
= dri3_flush_swap_buffers
,
541 const __DRIuseInvalidateExtension dri3UseInvalidate
= {
542 .base
= { __DRI_USE_INVALIDATE
, 1 }
545 static const __DRIbackgroundCallableExtension driBackgroundCallable
= {
546 .base
= { __DRI_BACKGROUND_CALLABLE
, 2 },
548 .setBackgroundContext
= dri_set_background_context
,
549 .isThreadSafe
= dri_is_thread_safe
,
552 static const __DRIextension
*loader_extensions
[] = {
553 &imageLoaderExtension
.base
,
554 &dri3UseInvalidate
.base
,
555 &driBackgroundCallable
.base
,
559 /** dri3_swap_buffers
561 * Make the current back buffer visible using the present extension
564 dri3_swap_buffers(__GLXDRIdrawable
*pdraw
, int64_t target_msc
, int64_t divisor
,
565 int64_t remainder
, Bool flush
)
567 struct dri3_drawable
*priv
= (struct dri3_drawable
*) pdraw
;
568 unsigned flags
= __DRI2_FLUSH_DRAWABLE
;
571 flags
|= __DRI2_FLUSH_CONTEXT
;
573 return loader_dri3_swap_buffers_msc(&priv
->loader_drawable
,
574 target_msc
, divisor
, remainder
,
579 dri3_get_buffer_age(__GLXDRIdrawable
*pdraw
)
581 struct dri3_drawable
*priv
= (struct dri3_drawable
*)pdraw
;
583 return loader_dri3_query_buffer_age(&priv
->loader_drawable
);
586 /** dri3_destroy_screen
589 dri3_destroy_screen(struct glx_screen
*base
)
591 struct dri3_screen
*psc
= (struct dri3_screen
*) base
;
593 /* Free the direct rendering per screen data */
594 loader_dri3_close_screen(psc
->driScreen
);
595 (*psc
->core
->destroyScreen
) (psc
->driScreen
);
596 driDestroyConfigs(psc
->driver_configs
);
601 /** dri3_set_swap_interval
603 * Record the application swap interval specification,
606 dri3_set_swap_interval(__GLXDRIdrawable
*pdraw
, int interval
)
608 assert(pdraw
!= NULL
);
610 struct dri3_drawable
*priv
= (struct dri3_drawable
*) pdraw
;
611 GLint vblank_mode
= DRI_CONF_VBLANK_DEF_INTERVAL_1
;
612 struct dri3_screen
*psc
= (struct dri3_screen
*) priv
->base
.psc
;
615 psc
->config
->configQueryi(psc
->driScreen
,
616 "vblank_mode", &vblank_mode
);
618 switch (vblank_mode
) {
619 case DRI_CONF_VBLANK_NEVER
:
621 return GLX_BAD_VALUE
;
623 case DRI_CONF_VBLANK_ALWAYS_SYNC
:
625 return GLX_BAD_VALUE
;
631 priv
->swap_interval
= interval
;
632 loader_dri3_set_swap_interval(&priv
->loader_drawable
, interval
);
637 /** dri3_get_swap_interval
639 * Return the stored swap interval
642 dri3_get_swap_interval(__GLXDRIdrawable
*pdraw
)
644 assert(pdraw
!= NULL
);
646 struct dri3_drawable
*priv
= (struct dri3_drawable
*) pdraw
;
648 return priv
->swap_interval
;
652 dri3_bind_tex_image(Display
* dpy
,
653 GLXDrawable drawable
,
654 int buffer
, const int *attrib_list
)
656 struct glx_context
*gc
= __glXGetCurrentContext();
657 struct dri3_context
*pcp
= (struct dri3_context
*) gc
;
658 __GLXDRIdrawable
*base
= GetGLXDRIDrawable(dpy
, drawable
);
659 struct dri3_drawable
*pdraw
= (struct dri3_drawable
*) base
;
660 struct dri3_screen
*psc
;
663 psc
= (struct dri3_screen
*) base
->psc
;
665 (*psc
->f
->invalidate
)(pdraw
->loader_drawable
.dri_drawable
);
669 (*psc
->texBuffer
->setTexBuffer2
) (pcp
->driContext
,
670 pdraw
->base
.textureTarget
,
671 pdraw
->base
.textureFormat
,
672 pdraw
->loader_drawable
.dri_drawable
);
677 dri3_release_tex_image(Display
* dpy
, GLXDrawable drawable
, int buffer
)
679 struct glx_context
*gc
= __glXGetCurrentContext();
680 struct dri3_context
*pcp
= (struct dri3_context
*) gc
;
681 __GLXDRIdrawable
*base
= GetGLXDRIDrawable(dpy
, drawable
);
682 struct dri3_drawable
*pdraw
= (struct dri3_drawable
*) base
;
683 struct dri3_screen
*psc
;
686 psc
= (struct dri3_screen
*) base
->psc
;
688 if (psc
->texBuffer
->base
.version
>= 3 &&
689 psc
->texBuffer
->releaseTexBuffer
!= NULL
)
690 (*psc
->texBuffer
->releaseTexBuffer
) (pcp
->driContext
,
691 pdraw
->base
.textureTarget
,
692 pdraw
->loader_drawable
.dri_drawable
);
696 static const struct glx_context_vtable dri3_context_vtable
= {
697 .destroy
= dri3_destroy_context
,
698 .bind
= dri3_bind_context
,
699 .unbind
= dri3_unbind_context
,
700 .wait_gl
= dri3_wait_gl
,
701 .wait_x
= dri3_wait_x
,
702 .use_x_font
= DRI_glXUseXFont
,
703 .bind_tex_image
= dri3_bind_tex_image
,
704 .release_tex_image
= dri3_release_tex_image
,
705 .get_proc_address
= NULL
,
706 .interop_query_device_info
= dri3_interop_query_device_info
,
707 .interop_export_object
= dri3_interop_export_object
710 /** dri3_bind_extensions
712 * Enable all of the extensions supported on DRI3
715 dri3_bind_extensions(struct dri3_screen
*psc
, struct glx_display
* priv
,
716 const char *driverName
)
718 const __DRIextension
**extensions
;
722 extensions
= psc
->core
->getExtensions(psc
->driScreen
);
724 __glXEnableDirectExtension(&psc
->base
, "GLX_SGI_swap_control");
725 __glXEnableDirectExtension(&psc
->base
, "GLX_MESA_swap_control");
726 __glXEnableDirectExtension(&psc
->base
, "GLX_SGI_make_current_read");
727 __glXEnableDirectExtension(&psc
->base
, "GLX_INTEL_swap_event");
729 mask
= psc
->image_driver
->getAPIMask(psc
->driScreen
);
731 __glXEnableDirectExtension(&psc
->base
, "GLX_ARB_create_context");
732 __glXEnableDirectExtension(&psc
->base
, "GLX_ARB_create_context_profile");
734 if ((mask
& ((1 << __DRI_API_GLES
) |
735 (1 << __DRI_API_GLES2
) |
736 (1 << __DRI_API_GLES3
))) != 0) {
737 __glXEnableDirectExtension(&psc
->base
,
738 "GLX_EXT_create_context_es_profile");
739 __glXEnableDirectExtension(&psc
->base
,
740 "GLX_EXT_create_context_es2_profile");
743 for (i
= 0; extensions
[i
]; i
++) {
744 /* when on a different gpu than the server, the server pixmaps
745 * can have a tiling mode we can't read. Thus we can't create
746 * a texture from them.
748 if (!psc
->is_different_gpu
&&
749 (strcmp(extensions
[i
]->name
, __DRI_TEX_BUFFER
) == 0)) {
750 psc
->texBuffer
= (__DRItexBufferExtension
*) extensions
[i
];
751 __glXEnableDirectExtension(&psc
->base
, "GLX_EXT_texture_from_pixmap");
754 if ((strcmp(extensions
[i
]->name
, __DRI2_FLUSH
) == 0)) {
755 psc
->f
= (__DRI2flushExtension
*) extensions
[i
];
756 /* internal driver extension, no GL extension exposed */
759 if (strcmp(extensions
[i
]->name
, __DRI_IMAGE
) == 0)
760 psc
->image
= (__DRIimageExtension
*) extensions
[i
];
762 if ((strcmp(extensions
[i
]->name
, __DRI2_CONFIG_QUERY
) == 0))
763 psc
->config
= (__DRI2configQueryExtension
*) extensions
[i
];
765 if (strcmp(extensions
[i
]->name
, __DRI2_ROBUSTNESS
) == 0)
766 __glXEnableDirectExtension(&psc
->base
,
767 "GLX_ARB_create_context_robustness");
769 if (strcmp(extensions
[i
]->name
, __DRI2_RENDERER_QUERY
) == 0) {
770 psc
->rendererQuery
= (__DRI2rendererQueryExtension
*) extensions
[i
];
771 __glXEnableDirectExtension(&psc
->base
, "GLX_MESA_query_renderer");
774 if (strcmp(extensions
[i
]->name
, __DRI2_INTEROP
) == 0)
775 psc
->interop
= (__DRI2interopExtension
*)extensions
[i
];
777 if (strcmp(extensions
[i
]->name
, __DRI2_FLUSH_CONTROL
) == 0)
778 __glXEnableDirectExtension(&psc
->base
,
779 "GLX_ARB_context_flush_control");
783 static const struct glx_screen_vtable dri3_screen_vtable
= {
784 .create_context
= dri3_create_context
,
785 .create_context_attribs
= dri3_create_context_attribs
,
786 .query_renderer_integer
= dri3_query_renderer_integer
,
787 .query_renderer_string
= dri3_query_renderer_string
,
790 /** dri3_create_screen
792 * Initialize DRI3 on the specified screen.
794 * Opens the DRI device, locates the appropriate DRI driver
797 * Checks to see if the driver supports the necessary extensions
799 * Initializes the driver for the screen and sets up our structures
802 static struct glx_screen
*
803 dri3_create_screen(int screen
, struct glx_display
* priv
)
805 xcb_connection_t
*c
= XGetXCBConnection(priv
->dpy
);
806 const __DRIconfig
**driver_configs
;
807 const __DRIextension
**extensions
;
808 const struct dri3_display
*const pdp
= (struct dri3_display
*)
810 struct dri3_screen
*psc
;
812 struct glx_config
*configs
= NULL
, *visuals
= NULL
;
813 char *driverName
, *tmp
;
815 unsigned char disable
;
817 psc
= calloc(1, sizeof *psc
);
823 if (!glx_screen_init(&psc
->base
, screen
, priv
)) {
828 psc
->fd
= loader_dri3_open(c
, RootWindow(priv
->dpy
, screen
), None
);
830 int conn_error
= xcb_connection_has_error(c
);
832 glx_screen_cleanup(&psc
->base
);
834 InfoMessageF("screen %d does not appear to be DRI3 capable\n", screen
);
837 ErrorMessageF("Connection closed during DRI3 initialization failure");
842 psc
->fd
= loader_get_user_preferred_fd(psc
->fd
, &psc
->is_different_gpu
);
844 driverName
= loader_get_driver_for_fd(psc
->fd
);
846 ErrorMessageF("No driver found\n");
850 psc
->driver
= driOpenDriver(driverName
);
851 if (psc
->driver
== NULL
) {
852 ErrorMessageF("driver pointer missing\n");
856 extensions
= driGetDriverExtensions(psc
->driver
, driverName
);
857 if (extensions
== NULL
)
860 for (i
= 0; extensions
[i
]; i
++) {
861 if (strcmp(extensions
[i
]->name
, __DRI_CORE
) == 0)
862 psc
->core
= (__DRIcoreExtension
*) extensions
[i
];
863 if (strcmp(extensions
[i
]->name
, __DRI_IMAGE_DRIVER
) == 0)
864 psc
->image_driver
= (__DRIimageDriverExtension
*) extensions
[i
];
868 if (psc
->core
== NULL
) {
869 ErrorMessageF("core dri driver extension not found\n");
873 if (psc
->image_driver
== NULL
) {
874 ErrorMessageF("image driver extension not found\n");
879 psc
->image_driver
->createNewScreen2(screen
, psc
->fd
,
880 pdp
->loader_extensions
,
882 &driver_configs
, psc
);
884 if (psc
->driScreen
== NULL
) {
885 ErrorMessageF("failed to create dri screen\n");
889 dri3_bind_extensions(psc
, priv
, driverName
);
891 if (!psc
->image
|| psc
->image
->base
.version
< 7 || !psc
->image
->createImageFromFds
) {
892 ErrorMessageF("Version 7 or imageFromFds image extension not found\n");
896 if (!psc
->f
|| psc
->f
->base
.version
< 4) {
897 ErrorMessageF("Version 4 or later of flush extension not found\n");
901 if (psc
->is_different_gpu
&& psc
->image
->base
.version
< 9) {
902 ErrorMessageF("Different GPU, but image extension version 9 or later not found\n");
906 if (psc
->is_different_gpu
&& !psc
->image
->blitImage
) {
907 ErrorMessageF("Different GPU, but blitImage not implemented for this driver\n");
911 if (!psc
->is_different_gpu
&& (
912 !psc
->texBuffer
|| psc
->texBuffer
->base
.version
< 2 ||
913 !psc
->texBuffer
->setTexBuffer2
915 ErrorMessageF("Version 2 or later of texBuffer extension not found\n");
919 psc
->loader_dri3_ext
.core
= psc
->core
;
920 psc
->loader_dri3_ext
.image_driver
= psc
->image_driver
;
921 psc
->loader_dri3_ext
.flush
= psc
->f
;
922 psc
->loader_dri3_ext
.tex_buffer
= psc
->texBuffer
;
923 psc
->loader_dri3_ext
.image
= psc
->image
;
924 psc
->loader_dri3_ext
.config
= psc
->config
;
926 configs
= driConvertConfigs(psc
->core
, psc
->base
.configs
, driver_configs
);
927 visuals
= driConvertConfigs(psc
->core
, psc
->base
.visuals
, driver_configs
);
929 if (!configs
|| !visuals
) {
930 ErrorMessageF("No matching fbConfigs or visuals found\n");
934 glx_config_destroy_list(psc
->base
.configs
);
935 psc
->base
.configs
= configs
;
936 glx_config_destroy_list(psc
->base
.visuals
);
937 psc
->base
.visuals
= visuals
;
939 psc
->driver_configs
= driver_configs
;
941 psc
->base
.vtable
= &dri3_screen_vtable
;
943 psc
->base
.driScreen
= psp
;
944 psp
->destroyScreen
= dri3_destroy_screen
;
945 psp
->createDrawable
= dri3_create_drawable
;
946 psp
->swapBuffers
= dri3_swap_buffers
;
948 psp
->getDrawableMSC
= dri3_drawable_get_msc
;
949 psp
->waitForMSC
= dri3_wait_for_msc
;
950 psp
->waitForSBC
= dri3_wait_for_sbc
;
951 psp
->setSwapInterval
= dri3_set_swap_interval
;
952 psp
->getSwapInterval
= dri3_get_swap_interval
;
953 if (psc
->config
->configQueryb(psc
->driScreen
,
954 "glx_disable_oml_sync_control",
955 &disable
) || !disable
)
956 __glXEnableDirectExtension(&psc
->base
, "GLX_OML_sync_control");
958 if (psc
->config
->configQueryb(psc
->driScreen
,
959 "glx_disable_sgi_video_sync",
960 &disable
) || !disable
)
961 __glXEnableDirectExtension(&psc
->base
, "GLX_SGI_video_sync");
963 psp
->copySubBuffer
= dri3_copy_sub_buffer
;
964 __glXEnableDirectExtension(&psc
->base
, "GLX_MESA_copy_sub_buffer");
966 psp
->getBufferAge
= dri3_get_buffer_age
;
967 if (psc
->config
->configQueryb(psc
->driScreen
,
968 "glx_disable_ext_buffer_age",
969 &disable
) || !disable
)
970 __glXEnableDirectExtension(&psc
->base
, "GLX_EXT_buffer_age");
974 tmp
= getenv("LIBGL_SHOW_FPS");
975 psc
->show_fps_interval
= tmp
? atoi(tmp
) : 0;
976 if (psc
->show_fps_interval
< 0)
977 psc
->show_fps_interval
= 0;
979 InfoMessageF("Using DRI3 for screen %d\n", screen
);
984 CriticalErrorMessageF("failed to load driver: %s\n", driverName
);
987 glx_config_destroy_list(configs
);
989 glx_config_destroy_list(visuals
);
991 psc
->core
->destroyScreen(psc
->driScreen
);
992 psc
->driScreen
= NULL
;
996 dlclose(psc
->driver
);
999 glx_screen_cleanup(&psc
->base
);
1005 /** dri_destroy_display
1007 * Called from __glXFreeDisplayPrivate.
1010 dri3_destroy_display(__GLXDRIdisplay
* dpy
)
1015 /** dri3_create_display
1017 * Allocate, initialize and return a __DRIdisplayPrivate object.
1018 * This is called from __glXInitialize() when we are given a new
1019 * display pointer. This is public to that function, but hidden from
1022 _X_HIDDEN __GLXDRIdisplay
*
1023 dri3_create_display(Display
* dpy
)
1025 struct dri3_display
*pdp
;
1026 xcb_connection_t
*c
= XGetXCBConnection(dpy
);
1027 xcb_dri3_query_version_cookie_t dri3_cookie
;
1028 xcb_dri3_query_version_reply_t
*dri3_reply
;
1029 xcb_present_query_version_cookie_t present_cookie
;
1030 xcb_present_query_version_reply_t
*present_reply
;
1031 xcb_generic_error_t
*error
;
1032 const xcb_query_extension_reply_t
*extension
;
1034 xcb_prefetch_extension_data(c
, &xcb_dri3_id
);
1035 xcb_prefetch_extension_data(c
, &xcb_present_id
);
1037 extension
= xcb_get_extension_data(c
, &xcb_dri3_id
);
1038 if (!(extension
&& extension
->present
))
1041 extension
= xcb_get_extension_data(c
, &xcb_present_id
);
1042 if (!(extension
&& extension
->present
))
1045 dri3_cookie
= xcb_dri3_query_version(c
,
1046 XCB_DRI3_MAJOR_VERSION
,
1047 XCB_DRI3_MINOR_VERSION
);
1050 present_cookie
= xcb_present_query_version(c
,
1051 XCB_PRESENT_MAJOR_VERSION
,
1052 XCB_PRESENT_MINOR_VERSION
);
1054 pdp
= malloc(sizeof *pdp
);
1058 dri3_reply
= xcb_dri3_query_version_reply(c
, dri3_cookie
, &error
);
1064 pdp
->dri3Major
= dri3_reply
->major_version
;
1065 pdp
->dri3Minor
= dri3_reply
->minor_version
;
1068 present_reply
= xcb_present_query_version_reply(c
, present_cookie
, &error
);
1069 if (!present_reply
) {
1073 pdp
->presentMajor
= present_reply
->major_version
;
1074 pdp
->presentMinor
= present_reply
->minor_version
;
1075 free(present_reply
);
1077 pdp
->base
.destroyDisplay
= dri3_destroy_display
;
1078 pdp
->base
.createScreen
= dri3_create_screen
;
1080 loader_set_logger(dri_message
);
1082 pdp
->loader_extensions
= loader_extensions
;
1090 #endif /* GLX_DIRECT_RENDERING */