2 * Copyright © 2015 Boyan Ding
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
30 #include <xcb/present.h>
33 #include "util/macros.h"
36 #include "egl_dri2_fallbacks.h"
37 #include "platform_x11_dri3.h"
40 #include "loader_dri3_helper.h"
42 static struct dri3_egl_surface
*
43 loader_drawable_to_egl_surface(struct loader_dri3_drawable
*draw
) {
44 size_t offset
= offsetof(struct dri3_egl_surface
, loader_drawable
);
45 return (struct dri3_egl_surface
*)(((void*) draw
) - offset
);
49 egl_dri3_set_drawable_size(struct loader_dri3_drawable
*draw
,
50 int width
, int height
)
52 struct dri3_egl_surface
*dri3_surf
= loader_drawable_to_egl_surface(draw
);
54 dri3_surf
->surf
.base
.Width
= width
;
55 dri3_surf
->surf
.base
.Height
= height
;
59 egl_dri3_in_current_context(struct loader_dri3_drawable
*draw
)
61 struct dri3_egl_surface
*dri3_surf
= loader_drawable_to_egl_surface(draw
);
62 _EGLContext
*ctx
= _eglGetCurrentContext();
64 return ctx
->Resource
.Display
== dri3_surf
->surf
.base
.Resource
.Display
;
68 egl_dri3_get_dri_context(struct loader_dri3_drawable
*draw
)
70 _EGLContext
*ctx
= _eglGetCurrentContext();
71 struct dri2_egl_context
*dri2_ctx
;
74 dri2_ctx
= dri2_egl_context(ctx
);
75 return dri2_ctx
->dri_context
;
79 egl_dri3_get_dri_screen(void)
81 _EGLContext
*ctx
= _eglGetCurrentContext();
82 struct dri2_egl_context
*dri2_ctx
;
85 dri2_ctx
= dri2_egl_context(ctx
);
86 return dri2_egl_display(dri2_ctx
->base
.Resource
.Display
)->dri_screen
;
90 egl_dri3_flush_drawable(struct loader_dri3_drawable
*draw
, unsigned flags
)
92 struct dri3_egl_surface
*dri3_surf
= loader_drawable_to_egl_surface(draw
);
93 _EGLDisplay
*disp
= dri3_surf
->surf
.base
.Resource
.Display
;
95 dri2_flush_drawable_for_swapbuffers(disp
, &dri3_surf
->surf
.base
);
98 static const struct loader_dri3_vtable egl_dri3_vtable
= {
99 .set_drawable_size
= egl_dri3_set_drawable_size
,
100 .in_current_context
= egl_dri3_in_current_context
,
101 .get_dri_context
= egl_dri3_get_dri_context
,
102 .get_dri_screen
= egl_dri3_get_dri_screen
,
103 .flush_drawable
= egl_dri3_flush_drawable
,
108 dri3_destroy_surface(_EGLDriver
*drv
, _EGLDisplay
*disp
, _EGLSurface
*surf
)
110 struct dri2_egl_display
*dri2_dpy
= dri2_egl_display(disp
);
111 struct dri3_egl_surface
*dri3_surf
= dri3_egl_surface(surf
);
112 xcb_drawable_t drawable
= dri3_surf
->loader_drawable
.drawable
;
116 loader_dri3_drawable_fini(&dri3_surf
->loader_drawable
);
118 if (surf
->Type
== EGL_PBUFFER_BIT
)
119 xcb_free_pixmap (dri2_dpy
->conn
, drawable
);
121 dri2_fini_surface(surf
);
128 dri3_set_swap_interval(_EGLDriver
*drv
, _EGLDisplay
*disp
, _EGLSurface
*surf
,
131 struct dri3_egl_surface
*dri3_surf
= dri3_egl_surface(surf
);
133 dri3_surf
->surf
.base
.SwapInterval
= interval
;
134 loader_dri3_set_swap_interval(&dri3_surf
->loader_drawable
, interval
);
140 dri3_create_surface(_EGLDriver
*drv
, _EGLDisplay
*disp
, EGLint type
,
141 _EGLConfig
*conf
, void *native_surface
,
142 const EGLint
*attrib_list
)
144 struct dri2_egl_display
*dri2_dpy
= dri2_egl_display(disp
);
145 struct dri2_egl_config
*dri2_conf
= dri2_egl_config(conf
);
146 struct dri3_egl_surface
*dri3_surf
;
147 const __DRIconfig
*dri_config
;
148 xcb_drawable_t drawable
;
152 dri3_surf
= calloc(1, sizeof *dri3_surf
);
154 _eglError(EGL_BAD_ALLOC
, "dri3_create_surface");
158 if (!dri2_init_surface(&dri3_surf
->surf
.base
, disp
, type
, conf
,
159 attrib_list
, false, native_surface
))
162 if (type
== EGL_PBUFFER_BIT
) {
163 drawable
= xcb_generate_id(dri2_dpy
->conn
);
164 xcb_create_pixmap(dri2_dpy
->conn
, conf
->BufferSize
,
165 drawable
, dri2_dpy
->screen
->root
,
166 dri3_surf
->surf
.base
.Width
, dri3_surf
->surf
.base
.Height
);
168 STATIC_ASSERT(sizeof(uintptr_t) == sizeof(native_surface
));
169 drawable
= (uintptr_t) native_surface
;
172 dri_config
= dri2_get_dri_config(dri2_conf
, type
,
173 dri3_surf
->surf
.base
.GLColorspace
);
176 _eglError(EGL_BAD_MATCH
, "Unsupported surfacetype/colorspace configuration");
180 if (loader_dri3_drawable_init(dri2_dpy
->conn
, drawable
,
181 dri2_dpy
->dri_screen
,
182 dri2_dpy
->is_different_gpu
,
183 dri2_dpy
->multibuffers_available
,
185 &dri2_dpy
->loader_dri3_ext
,
187 &dri3_surf
->loader_drawable
)) {
188 _eglError(EGL_BAD_ALLOC
, "dri3_surface_create");
192 return &dri3_surf
->surf
.base
;
195 if (type
== EGL_PBUFFER_BIT
)
196 xcb_free_pixmap(dri2_dpy
->conn
, drawable
);
204 dri3_authenticate(_EGLDisplay
*disp
, uint32_t id
)
206 #ifdef HAVE_WAYLAND_PLATFORM
207 struct dri2_egl_display
*dri2_dpy
= dri2_egl_display(disp
);
209 if (dri2_dpy
->device_name
) {
210 _eglLog(_EGL_WARNING
,
211 "Wayland client render node authentication is unnecessary");
215 _eglLog(_EGL_WARNING
,
216 "Wayland client primary node authentication isn't supported");
223 * Called via eglCreateWindowSurface(), drv->API.CreateWindowSurface().
226 dri3_create_window_surface(_EGLDriver
*drv
, _EGLDisplay
*disp
,
227 _EGLConfig
*conf
, void *native_window
,
228 const EGLint
*attrib_list
)
230 struct dri2_egl_display
*dri2_dpy
= dri2_egl_display(disp
);
233 surf
= dri3_create_surface(drv
, disp
, EGL_WINDOW_BIT
, conf
,
234 native_window
, attrib_list
);
236 dri3_set_swap_interval(drv
, disp
, surf
, dri2_dpy
->default_swap_interval
);
242 dri3_create_pixmap_surface(_EGLDriver
*drv
, _EGLDisplay
*disp
,
243 _EGLConfig
*conf
, void *native_pixmap
,
244 const EGLint
*attrib_list
)
246 return dri3_create_surface(drv
, disp
, EGL_PIXMAP_BIT
, conf
,
247 native_pixmap
, attrib_list
);
251 dri3_create_pbuffer_surface(_EGLDriver
*drv
, _EGLDisplay
*disp
,
252 _EGLConfig
*conf
, const EGLint
*attrib_list
)
254 return dri3_create_surface(drv
, disp
, EGL_PBUFFER_BIT
, conf
,
259 dri3_get_sync_values(_EGLDisplay
*display
, _EGLSurface
*surface
,
260 EGLuint64KHR
*ust
, EGLuint64KHR
*msc
,
263 struct dri3_egl_surface
*dri3_surf
= dri3_egl_surface(surface
);
265 return loader_dri3_wait_for_msc(&dri3_surf
->loader_drawable
, 0, 0, 0,
266 (int64_t *) ust
, (int64_t *) msc
,
267 (int64_t *) sbc
) ? EGL_TRUE
: EGL_FALSE
;
271 dri3_create_image_khr_pixmap(_EGLDisplay
*disp
, _EGLContext
*ctx
,
272 EGLClientBuffer buffer
, const EGLint
*attr_list
)
274 struct dri2_egl_display
*dri2_dpy
= dri2_egl_display(disp
);
275 struct dri2_egl_image
*dri2_img
;
276 xcb_drawable_t drawable
;
277 xcb_dri3_buffer_from_pixmap_cookie_t bp_cookie
;
278 xcb_dri3_buffer_from_pixmap_reply_t
*bp_reply
;
281 drawable
= (xcb_drawable_t
) (uintptr_t) buffer
;
282 bp_cookie
= xcb_dri3_buffer_from_pixmap(dri2_dpy
->conn
, drawable
);
283 bp_reply
= xcb_dri3_buffer_from_pixmap_reply(dri2_dpy
->conn
,
286 _eglError(EGL_BAD_ALLOC
, "xcb_dri3_buffer_from_pixmap");
290 format
= dri2_format_for_depth(dri2_dpy
, bp_reply
->depth
);
291 if (format
== __DRI_IMAGE_FORMAT_NONE
) {
292 _eglError(EGL_BAD_PARAMETER
,
293 "dri3_create_image_khr: unsupported pixmap depth");
295 return EGL_NO_IMAGE_KHR
;
298 dri2_img
= malloc(sizeof *dri2_img
);
300 _eglError(EGL_BAD_ALLOC
, "dri3_create_image_khr");
302 return EGL_NO_IMAGE_KHR
;
305 _eglInitImage(&dri2_img
->base
, disp
);
307 dri2_img
->dri_image
= loader_dri3_create_image(dri2_dpy
->conn
,
310 dri2_dpy
->dri_screen
,
316 return &dri2_img
->base
;
319 #ifdef HAVE_DRI3_MODIFIERS
321 dri3_create_image_khr_pixmap_from_buffers(_EGLDisplay
*disp
, _EGLContext
*ctx
,
322 EGLClientBuffer buffer
,
323 const EGLint
*attr_list
)
325 struct dri2_egl_display
*dri2_dpy
= dri2_egl_display(disp
);
326 struct dri2_egl_image
*dri2_img
;
327 xcb_dri3_buffers_from_pixmap_cookie_t bp_cookie
;
328 xcb_dri3_buffers_from_pixmap_reply_t
*bp_reply
;
329 xcb_drawable_t drawable
;
332 drawable
= (xcb_drawable_t
) (uintptr_t) buffer
;
333 bp_cookie
= xcb_dri3_buffers_from_pixmap(dri2_dpy
->conn
, drawable
);
334 bp_reply
= xcb_dri3_buffers_from_pixmap_reply(dri2_dpy
->conn
,
338 _eglError(EGL_BAD_ATTRIBUTE
, "dri3_create_image_khr");
339 return EGL_NO_IMAGE_KHR
;
342 format
= dri2_format_for_depth(dri2_dpy
, bp_reply
->depth
);
343 if (format
== __DRI_IMAGE_FORMAT_NONE
) {
344 _eglError(EGL_BAD_PARAMETER
,
345 "dri3_create_image_khr: unsupported pixmap depth");
347 return EGL_NO_IMAGE_KHR
;
350 dri2_img
= malloc(sizeof *dri2_img
);
352 _eglError(EGL_BAD_ALLOC
, "dri3_create_image_khr");
354 return EGL_NO_IMAGE_KHR
;
357 _eglInitImage(&dri2_img
->base
, disp
);
359 dri2_img
->dri_image
= loader_dri3_create_image_from_buffers(dri2_dpy
->conn
,
362 dri2_dpy
->dri_screen
,
367 if (!dri2_img
->dri_image
) {
368 _eglError(EGL_BAD_ATTRIBUTE
, "dri3_create_image_khr");
370 return EGL_NO_IMAGE_KHR
;
373 return &dri2_img
->base
;
378 dri3_create_image_khr(_EGLDriver
*drv
, _EGLDisplay
*disp
,
379 _EGLContext
*ctx
, EGLenum target
,
380 EGLClientBuffer buffer
, const EGLint
*attr_list
)
382 #ifdef HAVE_DRI3_MODIFIERS
383 struct dri2_egl_display
*dri2_dpy
= dri2_egl_display(disp
);
387 case EGL_NATIVE_PIXMAP_KHR
:
388 #ifdef HAVE_DRI3_MODIFIERS
389 if (dri2_dpy
->multibuffers_available
)
390 return dri3_create_image_khr_pixmap_from_buffers(disp
, ctx
, buffer
,
393 return dri3_create_image_khr_pixmap(disp
, ctx
, buffer
, attr_list
);
395 return dri2_create_image_khr(drv
, disp
, ctx
, target
, buffer
, attr_list
);
400 * Called by the driver when it needs to update the real front buffer with the
401 * contents of its fake front buffer.
404 dri3_flush_front_buffer(__DRIdrawable
*driDrawable
, void *loaderPrivate
)
406 struct loader_dri3_drawable
*draw
= loaderPrivate
;
409 /* There does not seem to be any kind of consensus on whether we should
410 * support front-buffer rendering or not:
411 * http://lists.freedesktop.org/archives/mesa-dev/2013-June/040129.html
413 if (!draw
->is_pixmap
)
414 _eglLog(_EGL_WARNING
, "FIXME: egl/x11 doesn't support front buffer rendering.");
417 const __DRIimageLoaderExtension dri3_image_loader_extension
= {
418 .base
= { __DRI_IMAGE_LOADER
, 1 },
420 .getBuffers
= loader_dri3_get_buffers
,
421 .flushFrontBuffer
= dri3_flush_front_buffer
,
425 dri3_swap_buffers(_EGLDriver
*drv
, _EGLDisplay
*disp
, _EGLSurface
*draw
)
427 struct dri3_egl_surface
*dri3_surf
= dri3_egl_surface(draw
);
429 return loader_dri3_swap_buffers_msc(&dri3_surf
->loader_drawable
,
431 draw
->SwapBehavior
== EGL_BUFFER_PRESERVED
) != -1;
435 dri3_copy_buffers(_EGLDriver
*drv
, _EGLDisplay
*disp
, _EGLSurface
*surf
,
436 void *native_pixmap_target
)
438 struct dri3_egl_surface
*dri3_surf
= dri3_egl_surface(surf
);
441 STATIC_ASSERT(sizeof(uintptr_t) == sizeof(native_pixmap_target
));
442 target
= (uintptr_t) native_pixmap_target
;
444 loader_dri3_copy_drawable(&dri3_surf
->loader_drawable
, target
,
445 dri3_surf
->loader_drawable
.drawable
);
451 dri3_query_buffer_age(_EGLDriver
*drv
, _EGLDisplay
*disp
, _EGLSurface
*surf
)
453 struct dri3_egl_surface
*dri3_surf
= dri3_egl_surface(surf
);
455 return loader_dri3_query_buffer_age(&dri3_surf
->loader_drawable
);
459 dri3_query_surface(_EGLDriver
*drv
, _EGLDisplay
*disp
,
460 _EGLSurface
*surf
, EGLint attribute
,
463 struct dri3_egl_surface
*dri3_surf
= dri3_egl_surface(surf
);
468 loader_dri3_update_drawable_geometry(&dri3_surf
->loader_drawable
);
474 return _eglQuerySurface(drv
, disp
, surf
, attribute
, value
);
477 static __DRIdrawable
*
478 dri3_get_dri_drawable(_EGLSurface
*surf
)
480 struct dri3_egl_surface
*dri3_surf
= dri3_egl_surface(surf
);
482 return dri3_surf
->loader_drawable
.dri_drawable
;
486 dri3_close_screen_notify(_EGLDisplay
*disp
)
488 struct dri2_egl_display
*dri2_dpy
= dri2_egl_display(disp
);
490 loader_dri3_close_screen(dri2_dpy
->dri_screen
);
493 struct dri2_egl_display_vtbl dri3_x11_display_vtbl
= {
494 .authenticate
= dri3_authenticate
,
495 .create_window_surface
= dri3_create_window_surface
,
496 .create_pixmap_surface
= dri3_create_pixmap_surface
,
497 .create_pbuffer_surface
= dri3_create_pbuffer_surface
,
498 .destroy_surface
= dri3_destroy_surface
,
499 .create_image
= dri3_create_image_khr
,
500 .swap_interval
= dri3_set_swap_interval
,
501 .swap_buffers
= dri3_swap_buffers
,
502 .post_sub_buffer
= dri2_fallback_post_sub_buffer
,
503 .copy_buffers
= dri3_copy_buffers
,
504 .query_buffer_age
= dri3_query_buffer_age
,
505 .query_surface
= dri3_query_surface
,
506 .create_wayland_buffer_from_image
= dri2_fallback_create_wayland_buffer_from_image
,
507 .get_sync_values
= dri3_get_sync_values
,
508 .get_dri_drawable
= dri3_get_dri_drawable
,
509 .close_screen_notify
= dri3_close_screen_notify
,
512 /* Only request versions of these protocols which we actually support. */
513 #define DRI3_SUPPORTED_MAJOR 1
514 #define PRESENT_SUPPORTED_MAJOR 1
516 #ifdef HAVE_DRI3_MODIFIERS
517 #define DRI3_SUPPORTED_MINOR 2
518 #define PRESENT_SUPPORTED_MINOR 2
520 #define PRESENT_SUPPORTED_MINOR 0
521 #define DRI3_SUPPORTED_MINOR 0
525 dri3_x11_connect(struct dri2_egl_display
*dri2_dpy
)
527 xcb_dri3_query_version_reply_t
*dri3_query
;
528 xcb_dri3_query_version_cookie_t dri3_query_cookie
;
529 xcb_present_query_version_reply_t
*present_query
;
530 xcb_present_query_version_cookie_t present_query_cookie
;
531 xcb_generic_error_t
*error
;
532 const xcb_query_extension_reply_t
*extension
;
534 xcb_prefetch_extension_data (dri2_dpy
->conn
, &xcb_dri3_id
);
535 xcb_prefetch_extension_data (dri2_dpy
->conn
, &xcb_present_id
);
537 extension
= xcb_get_extension_data(dri2_dpy
->conn
, &xcb_dri3_id
);
538 if (!(extension
&& extension
->present
))
541 extension
= xcb_get_extension_data(dri2_dpy
->conn
, &xcb_present_id
);
542 if (!(extension
&& extension
->present
))
545 dri3_query_cookie
= xcb_dri3_query_version(dri2_dpy
->conn
,
546 DRI3_SUPPORTED_MAJOR
,
547 DRI3_SUPPORTED_MINOR
);
549 present_query_cookie
= xcb_present_query_version(dri2_dpy
->conn
,
550 PRESENT_SUPPORTED_MAJOR
,
551 PRESENT_SUPPORTED_MINOR
);
554 xcb_dri3_query_version_reply(dri2_dpy
->conn
, dri3_query_cookie
, &error
);
555 if (dri3_query
== NULL
|| error
!= NULL
) {
556 _eglLog(_EGL_WARNING
, "DRI3: failed to query the version");
562 dri2_dpy
->dri3_major_version
= dri3_query
->major_version
;
563 dri2_dpy
->dri3_minor_version
= dri3_query
->minor_version
;
567 xcb_present_query_version_reply(dri2_dpy
->conn
,
568 present_query_cookie
, &error
);
569 if (present_query
== NULL
|| error
!= NULL
) {
570 _eglLog(_EGL_WARNING
, "DRI3: failed to query Present version");
576 dri2_dpy
->present_major_version
= present_query
->major_version
;
577 dri2_dpy
->present_minor_version
= present_query
->minor_version
;
580 dri2_dpy
->fd
= loader_dri3_open(dri2_dpy
->conn
, dri2_dpy
->screen
->root
, 0);
581 if (dri2_dpy
->fd
< 0) {
582 int conn_error
= xcb_connection_has_error(dri2_dpy
->conn
);
583 _eglLog(_EGL_WARNING
, "DRI3: Screen seems not DRI3 capable");
586 _eglLog(_EGL_WARNING
, "DRI3: Failed to initialize");
591 dri2_dpy
->fd
= loader_get_user_preferred_fd(dri2_dpy
->fd
, &dri2_dpy
->is_different_gpu
);
593 dri2_dpy
->driver_name
= loader_get_driver_for_fd(dri2_dpy
->fd
);
594 if (!dri2_dpy
->driver_name
) {
595 _eglLog(_EGL_WARNING
, "DRI3: No driver found");
600 #ifdef HAVE_WAYLAND_PLATFORM
601 /* Only try to get a render device name since dri3 doesn't provide a
602 * mechanism for authenticating client opened device node fds. If this
603 * fails then don't advertise the extension. */
604 dri2_dpy
->device_name
= drmGetRenderDeviceNameFromFd(dri2_dpy
->fd
);