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"
43 dri3_format_for_depth(uint32_t depth
)
47 return __DRI_IMAGE_FORMAT_RGB565
;
49 return __DRI_IMAGE_FORMAT_XRGB8888
;
51 return __DRI_IMAGE_FORMAT_XRGB2101010
;
53 return __DRI_IMAGE_FORMAT_ARGB8888
;
55 return __DRI_IMAGE_FORMAT_NONE
;
59 static struct dri3_egl_surface
*
60 loader_drawable_to_egl_surface(struct loader_dri3_drawable
*draw
) {
61 size_t offset
= offsetof(struct dri3_egl_surface
, loader_drawable
);
62 return (struct dri3_egl_surface
*)(((void*) draw
) - offset
);
66 egl_dri3_set_drawable_size(struct loader_dri3_drawable
*draw
,
67 int width
, int height
)
69 struct dri3_egl_surface
*dri3_surf
= loader_drawable_to_egl_surface(draw
);
71 dri3_surf
->surf
.base
.Width
= width
;
72 dri3_surf
->surf
.base
.Height
= height
;
76 egl_dri3_in_current_context(struct loader_dri3_drawable
*draw
)
78 struct dri3_egl_surface
*dri3_surf
= loader_drawable_to_egl_surface(draw
);
79 _EGLContext
*ctx
= _eglGetCurrentContext();
81 return ctx
->Resource
.Display
== dri3_surf
->surf
.base
.Resource
.Display
;
85 egl_dri3_get_dri_context(struct loader_dri3_drawable
*draw
)
87 _EGLContext
*ctx
= _eglGetCurrentContext();
88 struct dri2_egl_context
*dri2_ctx
;
91 dri2_ctx
= dri2_egl_context(ctx
);
92 return dri2_ctx
->dri_context
;
96 egl_dri3_get_dri_screen(void)
98 _EGLContext
*ctx
= _eglGetCurrentContext();
99 struct dri2_egl_context
*dri2_ctx
;
102 dri2_ctx
= dri2_egl_context(ctx
);
103 return dri2_egl_display(dri2_ctx
->base
.Resource
.Display
)->dri_screen
;
107 egl_dri3_flush_drawable(struct loader_dri3_drawable
*draw
, unsigned flags
)
109 struct dri3_egl_surface
*dri3_surf
= loader_drawable_to_egl_surface(draw
);
110 _EGLDisplay
*disp
= dri3_surf
->surf
.base
.Resource
.Display
;
112 dri2_flush_drawable_for_swapbuffers(disp
, &dri3_surf
->surf
.base
);
115 static const struct loader_dri3_vtable egl_dri3_vtable
= {
116 .set_drawable_size
= egl_dri3_set_drawable_size
,
117 .in_current_context
= egl_dri3_in_current_context
,
118 .get_dri_context
= egl_dri3_get_dri_context
,
119 .get_dri_screen
= egl_dri3_get_dri_screen
,
120 .flush_drawable
= egl_dri3_flush_drawable
,
125 dri3_destroy_surface(_EGLDriver
*drv
, _EGLDisplay
*disp
, _EGLSurface
*surf
)
127 struct dri3_egl_surface
*dri3_surf
= dri3_egl_surface(surf
);
131 loader_dri3_drawable_fini(&dri3_surf
->loader_drawable
);
133 dri2_fini_surface(surf
);
140 dri3_set_swap_interval(_EGLDriver
*drv
, _EGLDisplay
*disp
, _EGLSurface
*surf
,
143 struct dri3_egl_surface
*dri3_surf
= dri3_egl_surface(surf
);
145 dri3_surf
->surf
.base
.SwapInterval
= interval
;
146 loader_dri3_set_swap_interval(&dri3_surf
->loader_drawable
, interval
);
152 dri3_create_surface(_EGLDriver
*drv
, _EGLDisplay
*disp
, EGLint type
,
153 _EGLConfig
*conf
, void *native_surface
,
154 const EGLint
*attrib_list
)
156 struct dri2_egl_display
*dri2_dpy
= dri2_egl_display(disp
);
157 struct dri2_egl_config
*dri2_conf
= dri2_egl_config(conf
);
158 struct dri3_egl_surface
*dri3_surf
;
159 const __DRIconfig
*dri_config
;
160 xcb_drawable_t drawable
;
164 dri3_surf
= calloc(1, sizeof *dri3_surf
);
166 _eglError(EGL_BAD_ALLOC
, "dri3_create_surface");
170 if (!dri2_init_surface(&dri3_surf
->surf
.base
, disp
, type
, conf
, attrib_list
, false))
173 if (type
== EGL_PBUFFER_BIT
) {
174 drawable
= xcb_generate_id(dri2_dpy
->conn
);
175 xcb_create_pixmap(dri2_dpy
->conn
, conf
->BufferSize
,
176 drawable
, dri2_dpy
->screen
->root
,
177 dri3_surf
->surf
.base
.Width
, dri3_surf
->surf
.base
.Height
);
179 STATIC_ASSERT(sizeof(uintptr_t) == sizeof(native_surface
));
180 drawable
= (uintptr_t) native_surface
;
183 dri_config
= dri2_get_dri_config(dri2_conf
, type
,
184 dri3_surf
->surf
.base
.GLColorspace
);
186 if (loader_dri3_drawable_init(dri2_dpy
->conn
, drawable
,
187 dri2_dpy
->dri_screen
,
188 dri2_dpy
->is_different_gpu
,
189 dri2_dpy
->multibuffers_available
,
191 &dri2_dpy
->loader_dri3_ext
,
193 &dri3_surf
->loader_drawable
)) {
194 _eglError(EGL_BAD_ALLOC
, "dri3_surface_create");
198 return &dri3_surf
->surf
.base
;
201 if (type
== EGL_PBUFFER_BIT
)
202 xcb_free_pixmap(dri2_dpy
->conn
, drawable
);
210 dri3_authenticate(_EGLDisplay
*disp
, uint32_t id
)
212 #ifdef HAVE_WAYLAND_PLATFORM
213 struct dri2_egl_display
*dri2_dpy
= dri2_egl_display(disp
);
215 if (dri2_dpy
->device_name
) {
216 _eglLog(_EGL_WARNING
,
217 "Wayland client render node authentication is unnecessary");
221 _eglLog(_EGL_WARNING
,
222 "Wayland client primary node authentication isn't supported");
229 * Called via eglCreateWindowSurface(), drv->API.CreateWindowSurface().
232 dri3_create_window_surface(_EGLDriver
*drv
, _EGLDisplay
*disp
,
233 _EGLConfig
*conf
, void *native_window
,
234 const EGLint
*attrib_list
)
236 struct dri2_egl_display
*dri2_dpy
= dri2_egl_display(disp
);
239 surf
= dri3_create_surface(drv
, disp
, EGL_WINDOW_BIT
, conf
,
240 native_window
, attrib_list
);
242 dri3_set_swap_interval(drv
, disp
, surf
, dri2_dpy
->default_swap_interval
);
248 dri3_create_pixmap_surface(_EGLDriver
*drv
, _EGLDisplay
*disp
,
249 _EGLConfig
*conf
, void *native_pixmap
,
250 const EGLint
*attrib_list
)
252 return dri3_create_surface(drv
, disp
, EGL_PIXMAP_BIT
, conf
,
253 native_pixmap
, attrib_list
);
257 dri3_create_pbuffer_surface(_EGLDriver
*drv
, _EGLDisplay
*disp
,
258 _EGLConfig
*conf
, const EGLint
*attrib_list
)
260 return dri3_create_surface(drv
, disp
, EGL_PBUFFER_BIT
, conf
,
265 dri3_get_sync_values(_EGLDisplay
*display
, _EGLSurface
*surface
,
266 EGLuint64KHR
*ust
, EGLuint64KHR
*msc
,
269 struct dri3_egl_surface
*dri3_surf
= dri3_egl_surface(surface
);
271 return loader_dri3_wait_for_msc(&dri3_surf
->loader_drawable
, 0, 0, 0,
272 (int64_t *) ust
, (int64_t *) msc
,
273 (int64_t *) sbc
) ? EGL_TRUE
: EGL_FALSE
;
277 dri3_create_image_khr_pixmap(_EGLDisplay
*disp
, _EGLContext
*ctx
,
278 EGLClientBuffer buffer
, const EGLint
*attr_list
)
280 struct dri2_egl_display
*dri2_dpy
= dri2_egl_display(disp
);
281 struct dri2_egl_image
*dri2_img
;
282 xcb_drawable_t drawable
;
283 xcb_dri3_buffer_from_pixmap_cookie_t bp_cookie
;
284 xcb_dri3_buffer_from_pixmap_reply_t
*bp_reply
;
287 drawable
= (xcb_drawable_t
) (uintptr_t) buffer
;
288 bp_cookie
= xcb_dri3_buffer_from_pixmap(dri2_dpy
->conn
, drawable
);
289 bp_reply
= xcb_dri3_buffer_from_pixmap_reply(dri2_dpy
->conn
,
292 _eglError(EGL_BAD_ALLOC
, "xcb_dri3_buffer_from_pixmap");
296 format
= dri3_format_for_depth(bp_reply
->depth
);
297 if (format
== __DRI_IMAGE_FORMAT_NONE
) {
298 _eglError(EGL_BAD_PARAMETER
,
299 "dri3_create_image_khr: unsupported pixmap depth");
301 return EGL_NO_IMAGE_KHR
;
304 dri2_img
= malloc(sizeof *dri2_img
);
306 _eglError(EGL_BAD_ALLOC
, "dri3_create_image_khr");
308 return EGL_NO_IMAGE_KHR
;
311 _eglInitImage(&dri2_img
->base
, disp
);
313 dri2_img
->dri_image
= loader_dri3_create_image(dri2_dpy
->conn
,
316 dri2_dpy
->dri_screen
,
322 return &dri2_img
->base
;
326 dri3_create_image_khr_pixmap_from_buffers(_EGLDisplay
*disp
, _EGLContext
*ctx
,
327 EGLClientBuffer buffer
,
328 const EGLint
*attr_list
)
330 struct dri2_egl_display
*dri2_dpy
= dri2_egl_display(disp
);
331 struct dri2_egl_image
*dri2_img
;
332 xcb_dri3_buffers_from_pixmap_cookie_t bp_cookie
;
333 xcb_dri3_buffers_from_pixmap_reply_t
*bp_reply
;
334 xcb_drawable_t drawable
;
337 drawable
= (xcb_drawable_t
) (uintptr_t) buffer
;
338 bp_cookie
= xcb_dri3_buffers_from_pixmap(dri2_dpy
->conn
, drawable
);
339 bp_reply
= xcb_dri3_buffers_from_pixmap_reply(dri2_dpy
->conn
,
343 _eglError(EGL_BAD_ATTRIBUTE
, "dri3_create_image_khr");
344 return EGL_NO_IMAGE_KHR
;
347 format
= dri3_format_for_depth(bp_reply
->depth
);
348 if (format
== __DRI_IMAGE_FORMAT_NONE
) {
349 _eglError(EGL_BAD_PARAMETER
,
350 "dri3_create_image_khr: unsupported pixmap depth");
352 return EGL_NO_IMAGE_KHR
;
355 dri2_img
= malloc(sizeof *dri2_img
);
357 _eglError(EGL_BAD_ALLOC
, "dri3_create_image_khr");
359 return EGL_NO_IMAGE_KHR
;
362 _eglInitImage(&dri2_img
->base
, disp
);
364 dri2_img
->dri_image
= loader_dri3_create_image_from_buffers(dri2_dpy
->conn
,
367 dri2_dpy
->dri_screen
,
372 if (!dri2_img
->dri_image
) {
373 _eglError(EGL_BAD_ATTRIBUTE
, "dri3_create_image_khr");
375 return EGL_NO_IMAGE_KHR
;
378 return &dri2_img
->base
;
382 dri3_create_image_khr(_EGLDriver
*drv
, _EGLDisplay
*disp
,
383 _EGLContext
*ctx
, EGLenum target
,
384 EGLClientBuffer buffer
, const EGLint
*attr_list
)
386 struct dri2_egl_display
*dri2_dpy
= dri2_egl_display(disp
);
389 case EGL_NATIVE_PIXMAP_KHR
:
390 if (dri2_dpy
->multibuffers_available
)
391 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 /* There does not seem to be any kind of consensus on whether we should
407 * support front-buffer rendering or not:
408 * http://lists.freedesktop.org/archives/mesa-dev/2013-June/040129.html
410 _eglLog(_EGL_WARNING
, "FIXME: egl/x11 doesn't support front buffer rendering.");
412 (void) loaderPrivate
;
415 const __DRIimageLoaderExtension dri3_image_loader_extension
= {
416 .base
= { __DRI_IMAGE_LOADER
, 1 },
418 .getBuffers
= loader_dri3_get_buffers
,
419 .flushFrontBuffer
= dri3_flush_front_buffer
,
423 dri3_swap_buffers(_EGLDriver
*drv
, _EGLDisplay
*disp
, _EGLSurface
*draw
)
425 struct dri3_egl_surface
*dri3_surf
= dri3_egl_surface(draw
);
427 /* No-op for a pixmap or pbuffer surface */
428 if (draw
->Type
== EGL_PIXMAP_BIT
|| draw
->Type
== EGL_PBUFFER_BIT
)
431 return loader_dri3_swap_buffers_msc(&dri3_surf
->loader_drawable
,
433 draw
->SwapBehavior
== EGL_BUFFER_PRESERVED
) != -1;
437 dri3_copy_buffers(_EGLDriver
*drv
, _EGLDisplay
*disp
, _EGLSurface
*surf
,
438 void *native_pixmap_target
)
440 struct dri3_egl_surface
*dri3_surf
= dri3_egl_surface(surf
);
443 STATIC_ASSERT(sizeof(uintptr_t) == sizeof(native_pixmap_target
));
444 target
= (uintptr_t) native_pixmap_target
;
446 loader_dri3_copy_drawable(&dri3_surf
->loader_drawable
, target
,
447 dri3_surf
->loader_drawable
.drawable
);
453 dri3_query_buffer_age(_EGLDriver
*drv
, _EGLDisplay
*dpy
, _EGLSurface
*surf
)
455 struct dri3_egl_surface
*dri3_surf
= dri3_egl_surface(surf
);
457 return loader_dri3_query_buffer_age(&dri3_surf
->loader_drawable
);
461 dri3_query_surface(_EGLDriver
*drv
, _EGLDisplay
*dpy
,
462 _EGLSurface
*surf
, EGLint attribute
,
465 struct dri3_egl_surface
*dri3_surf
= dri3_egl_surface(surf
);
470 loader_dri3_update_drawable_geometry(&dri3_surf
->loader_drawable
);
476 return _eglQuerySurface(drv
, dpy
, surf
, attribute
, value
);
479 static __DRIdrawable
*
480 dri3_get_dri_drawable(_EGLSurface
*surf
)
482 struct dri3_egl_surface
*dri3_surf
= dri3_egl_surface(surf
);
484 return dri3_surf
->loader_drawable
.dri_drawable
;
488 dri3_close_screen_notify(_EGLDisplay
*dpy
)
490 struct dri2_egl_display
*dri2_dpy
= dri2_egl_display(dpy
);
492 loader_dri3_close_screen(dri2_dpy
->dri_screen
);
495 struct dri2_egl_display_vtbl dri3_x11_display_vtbl
= {
496 .authenticate
= dri3_authenticate
,
497 .create_window_surface
= dri3_create_window_surface
,
498 .create_pixmap_surface
= dri3_create_pixmap_surface
,
499 .create_pbuffer_surface
= dri3_create_pbuffer_surface
,
500 .destroy_surface
= dri3_destroy_surface
,
501 .create_image
= dri3_create_image_khr
,
502 .swap_interval
= dri3_set_swap_interval
,
503 .swap_buffers
= dri3_swap_buffers
,
504 .swap_buffers_with_damage
= dri2_fallback_swap_buffers_with_damage
,
505 .swap_buffers_region
= dri2_fallback_swap_buffers_region
,
506 .set_damage_region
= dri2_fallback_set_damage_region
,
507 .post_sub_buffer
= dri2_fallback_post_sub_buffer
,
508 .copy_buffers
= dri3_copy_buffers
,
509 .query_buffer_age
= dri3_query_buffer_age
,
510 .query_surface
= dri3_query_surface
,
511 .create_wayland_buffer_from_image
= dri2_fallback_create_wayland_buffer_from_image
,
512 .get_sync_values
= dri3_get_sync_values
,
513 .get_dri_drawable
= dri3_get_dri_drawable
,
514 .close_screen_notify
= dri3_close_screen_notify
,
518 dri3_x11_connect(struct dri2_egl_display
*dri2_dpy
)
520 xcb_dri3_query_version_reply_t
*dri3_query
;
521 xcb_dri3_query_version_cookie_t dri3_query_cookie
;
522 xcb_present_query_version_reply_t
*present_query
;
523 xcb_present_query_version_cookie_t present_query_cookie
;
524 xcb_generic_error_t
*error
;
525 const xcb_query_extension_reply_t
*extension
;
527 xcb_prefetch_extension_data (dri2_dpy
->conn
, &xcb_dri3_id
);
528 xcb_prefetch_extension_data (dri2_dpy
->conn
, &xcb_present_id
);
530 extension
= xcb_get_extension_data(dri2_dpy
->conn
, &xcb_dri3_id
);
531 if (!(extension
&& extension
->present
))
534 extension
= xcb_get_extension_data(dri2_dpy
->conn
, &xcb_present_id
);
535 if (!(extension
&& extension
->present
))
538 dri3_query_cookie
= xcb_dri3_query_version(dri2_dpy
->conn
,
539 XCB_DRI3_MAJOR_VERSION
,
540 XCB_DRI3_MINOR_VERSION
);
542 present_query_cookie
= xcb_present_query_version(dri2_dpy
->conn
,
543 XCB_PRESENT_MAJOR_VERSION
,
544 XCB_PRESENT_MINOR_VERSION
);
547 xcb_dri3_query_version_reply(dri2_dpy
->conn
, dri3_query_cookie
, &error
);
548 if (dri3_query
== NULL
|| error
!= NULL
) {
549 _eglLog(_EGL_WARNING
, "DRI3: failed to query the version");
555 dri2_dpy
->dri3_major_version
= dri3_query
->major_version
;
556 dri2_dpy
->dri3_minor_version
= dri3_query
->minor_version
;
560 xcb_present_query_version_reply(dri2_dpy
->conn
,
561 present_query_cookie
, &error
);
562 if (present_query
== NULL
|| error
!= NULL
) {
563 _eglLog(_EGL_WARNING
, "DRI3: failed to query Present version");
569 dri2_dpy
->present_major_version
= present_query
->major_version
;
570 dri2_dpy
->present_minor_version
= present_query
->minor_version
;
573 dri2_dpy
->fd
= loader_dri3_open(dri2_dpy
->conn
, dri2_dpy
->screen
->root
, 0);
574 if (dri2_dpy
->fd
< 0) {
575 int conn_error
= xcb_connection_has_error(dri2_dpy
->conn
);
576 _eglLog(_EGL_WARNING
, "DRI3: Screen seems not DRI3 capable");
579 _eglLog(_EGL_WARNING
, "DRI3: Failed to initialize");
584 dri2_dpy
->fd
= loader_get_user_preferred_fd(dri2_dpy
->fd
, &dri2_dpy
->is_different_gpu
);
586 dri2_dpy
->driver_name
= loader_get_driver_for_fd(dri2_dpy
->fd
);
587 if (!dri2_dpy
->driver_name
) {
588 _eglLog(_EGL_WARNING
, "DRI3: No driver found");
593 #ifdef HAVE_WAYLAND_PLATFORM
594 /* Only try to get a render device name since dri3 doesn't provide a
595 * mechanism for authenticating client opened device node fds. If this
596 * fails then don't advertise the extension. */
597 dri2_dpy
->device_name
= drmGetRenderDeviceNameFromFd(dri2_dpy
->fd
);