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>
35 #include "egl_dri2_fallbacks.h"
36 #include "platform_x11_dri3.h"
39 #include "loader_dri3_helper.h"
41 static struct dri3_egl_surface
*
42 loader_drawable_to_egl_surface(struct loader_dri3_drawable
*draw
) {
43 size_t offset
= offsetof(struct dri3_egl_surface
, loader_drawable
);
44 return (struct dri3_egl_surface
*)(((void*) draw
) - offset
);
48 egl_dri3_get_swap_interval(struct loader_dri3_drawable
*draw
)
50 struct dri3_egl_surface
*dri3_surf
= loader_drawable_to_egl_surface(draw
);
52 return dri3_surf
->base
.SwapInterval
;
56 egl_dri3_clamp_swap_interval(struct loader_dri3_drawable
*draw
, int interval
)
58 struct dri3_egl_surface
*dri3_surf
= loader_drawable_to_egl_surface(draw
);
60 if (interval
> dri3_surf
->base
.Config
->MaxSwapInterval
)
61 interval
= dri3_surf
->base
.Config
->MaxSwapInterval
;
62 else if (interval
< dri3_surf
->base
.Config
->MinSwapInterval
)
63 interval
= dri3_surf
->base
.Config
->MinSwapInterval
;
69 egl_dri3_set_swap_interval(struct loader_dri3_drawable
*draw
, int interval
)
71 struct dri3_egl_surface
*dri3_surf
= loader_drawable_to_egl_surface(draw
);
73 dri3_surf
->base
.SwapInterval
= interval
;
77 egl_dri3_set_drawable_size(struct loader_dri3_drawable
*draw
,
78 int width
, int height
)
80 struct dri3_egl_surface
*dri3_surf
= loader_drawable_to_egl_surface(draw
);
82 dri3_surf
->base
.Width
= width
;
83 dri3_surf
->base
.Height
= height
;
87 egl_dri3_in_current_context(struct loader_dri3_drawable
*draw
)
89 struct dri3_egl_surface
*dri3_surf
= loader_drawable_to_egl_surface(draw
);
90 _EGLContext
*ctx
= _eglGetCurrentContext();
92 return ctx
->Resource
.Display
== dri3_surf
->base
.Resource
.Display
;
96 egl_dri3_get_dri_context(struct loader_dri3_drawable
*draw
)
98 _EGLContext
*ctx
= _eglGetCurrentContext();
99 struct dri2_egl_context
*dri2_ctx
;
102 dri2_ctx
= dri2_egl_context(ctx
);
103 return dri2_ctx
->dri_context
;
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
->base
.Resource
.Display
;
112 dri2_flush_drawable_for_swapbuffers(disp
, &dri3_surf
->base
);
115 static struct loader_dri3_vtable egl_dri3_vtable
= {
116 .get_swap_interval
= egl_dri3_get_swap_interval
,
117 .clamp_swap_interval
= egl_dri3_clamp_swap_interval
,
118 .set_swap_interval
= egl_dri3_set_swap_interval
,
119 .set_drawable_size
= egl_dri3_set_drawable_size
,
120 .in_current_context
= egl_dri3_in_current_context
,
121 .get_dri_context
= egl_dri3_get_dri_context
,
122 .flush_drawable
= egl_dri3_flush_drawable
,
127 dri3_destroy_surface(_EGLDriver
*drv
, _EGLDisplay
*disp
, _EGLSurface
*surf
)
129 struct dri3_egl_surface
*dri3_surf
= dri3_egl_surface(surf
);
133 if (!_eglPutSurface(surf
))
136 loader_dri3_drawable_fini(&dri3_surf
->loader_drawable
);
144 dri3_set_swap_interval(_EGLDriver
*drv
, _EGLDisplay
*disp
, _EGLSurface
*surf
,
147 struct dri3_egl_surface
*dri3_surf
= dri3_egl_surface(surf
);
149 loader_dri3_set_swap_interval(&dri3_surf
->loader_drawable
, interval
);
154 static xcb_screen_t
*
155 get_xcb_screen(xcb_screen_iterator_t iter
, int screen
)
157 for (; iter
.rem
; --screen
, xcb_screen_next(&iter
))
165 dri3_create_surface(_EGLDriver
*drv
, _EGLDisplay
*disp
, EGLint type
,
166 _EGLConfig
*conf
, void *native_surface
,
167 const EGLint
*attrib_list
)
169 struct dri2_egl_display
*dri2_dpy
= dri2_egl_display(disp
);
170 struct dri2_egl_config
*dri2_conf
= dri2_egl_config(conf
);
171 struct dri3_egl_surface
*dri3_surf
;
172 const __DRIconfig
*dri_config
;
173 xcb_drawable_t drawable
;
174 xcb_screen_iterator_t s
;
175 xcb_screen_t
*screen
;
177 STATIC_ASSERT(sizeof(uintptr_t) == sizeof(native_surface
));
178 drawable
= (uintptr_t) native_surface
;
182 dri3_surf
= calloc(1, sizeof *dri3_surf
);
184 _eglError(EGL_BAD_ALLOC
, "dri3_create_surface");
188 if (!_eglInitSurface(&dri3_surf
->base
, disp
, type
, conf
, attrib_list
))
191 if (type
== EGL_PBUFFER_BIT
) {
192 s
= xcb_setup_roots_iterator(xcb_get_setup(dri2_dpy
->conn
));
193 screen
= get_xcb_screen(s
, dri2_dpy
->screen
);
195 _eglError(EGL_BAD_NATIVE_WINDOW
, "dri3_create_surface");
199 drawable
= xcb_generate_id(dri2_dpy
->conn
);
200 xcb_create_pixmap(dri2_dpy
->conn
, conf
->BufferSize
,
201 drawable
, screen
->root
,
202 dri3_surf
->base
.Width
, dri3_surf
->base
.Height
);
205 dri_config
= dri2_get_dri_config(dri2_conf
, type
,
206 dri3_surf
->base
.GLColorspace
);
208 if (loader_dri3_drawable_init(dri2_dpy
->conn
, drawable
,
209 dri2_dpy
->dri_screen
,
210 dri2_dpy
->is_different_gpu
, dri_config
,
211 &dri2_dpy
->loader_dri3_ext
,
213 &dri3_surf
->loader_drawable
)) {
214 _eglError(EGL_BAD_ALLOC
, "dri3_surface_create");
218 return &dri3_surf
->base
;
221 if (type
== EGL_PBUFFER_BIT
)
222 xcb_free_pixmap(dri2_dpy
->conn
, drawable
);
230 dri3_authenticate(_EGLDisplay
*disp
, uint32_t id
)
232 #ifdef HAVE_WAYLAND_PLATFORM
233 struct dri2_egl_display
*dri2_dpy
= dri2_egl_display(disp
);
235 if (dri2_dpy
->device_name
) {
236 _eglLog(_EGL_WARNING
,
237 "Wayland client render node authentication is unnecessary");
241 _eglLog(_EGL_WARNING
,
242 "Wayland client primary node authentication isn't supported");
249 * Called via eglCreateWindowSurface(), drv->API.CreateWindowSurface().
252 dri3_create_window_surface(_EGLDriver
*drv
, _EGLDisplay
*disp
,
253 _EGLConfig
*conf
, void *native_window
,
254 const EGLint
*attrib_list
)
256 struct dri2_egl_display
*dri2_dpy
= dri2_egl_display(disp
);
259 surf
= dri3_create_surface(drv
, disp
, EGL_WINDOW_BIT
, conf
,
260 native_window
, attrib_list
);
262 dri3_set_swap_interval(drv
, disp
, surf
, dri2_dpy
->default_swap_interval
);
268 dri3_create_pixmap_surface(_EGLDriver
*drv
, _EGLDisplay
*disp
,
269 _EGLConfig
*conf
, void *native_pixmap
,
270 const EGLint
*attrib_list
)
272 return dri3_create_surface(drv
, disp
, EGL_PIXMAP_BIT
, conf
,
273 native_pixmap
, attrib_list
);
277 dri3_create_pbuffer_surface(_EGLDriver
*drv
, _EGLDisplay
*disp
,
278 _EGLConfig
*conf
, const EGLint
*attrib_list
)
280 return dri3_create_surface(drv
, disp
, EGL_PBUFFER_BIT
, conf
,
281 XCB_WINDOW_NONE
, attrib_list
);
285 dri3_get_sync_values(_EGLDisplay
*display
, _EGLSurface
*surface
,
286 EGLuint64KHR
*ust
, EGLuint64KHR
*msc
,
289 struct dri3_egl_surface
*dri3_surf
= dri3_egl_surface(surface
);
291 return loader_dri3_wait_for_msc(&dri3_surf
->loader_drawable
, 0, 0, 0,
292 (int64_t *) ust
, (int64_t *) msc
,
293 (int64_t *) sbc
) ? EGL_TRUE
: EGL_FALSE
;
297 dri3_create_image_khr_pixmap(_EGLDisplay
*disp
, _EGLContext
*ctx
,
298 EGLClientBuffer buffer
, const EGLint
*attr_list
)
300 struct dri2_egl_display
*dri2_dpy
= dri2_egl_display(disp
);
301 struct dri2_egl_image
*dri2_img
;
302 xcb_drawable_t drawable
;
303 xcb_dri3_buffer_from_pixmap_cookie_t bp_cookie
;
304 xcb_dri3_buffer_from_pixmap_reply_t
*bp_reply
;
307 drawable
= (xcb_drawable_t
) (uintptr_t) buffer
;
308 bp_cookie
= xcb_dri3_buffer_from_pixmap(dri2_dpy
->conn
, drawable
);
309 bp_reply
= xcb_dri3_buffer_from_pixmap_reply(dri2_dpy
->conn
,
312 _eglError(EGL_BAD_ALLOC
, "xcb_dri3_buffer_from_pixmap");
316 switch (bp_reply
->depth
) {
318 format
= __DRI_IMAGE_FORMAT_RGB565
;
321 format
= __DRI_IMAGE_FORMAT_XRGB8888
;
324 format
= __DRI_IMAGE_FORMAT_ARGB8888
;
327 _eglError(EGL_BAD_PARAMETER
,
328 "dri3_create_image_khr: unsupported pixmap depth");
330 return EGL_NO_IMAGE_KHR
;
333 dri2_img
= malloc(sizeof *dri2_img
);
335 _eglError(EGL_BAD_ALLOC
, "dri3_create_image_khr");
336 return EGL_NO_IMAGE_KHR
;
339 if (!_eglInitImage(&dri2_img
->base
, disp
)) {
341 return EGL_NO_IMAGE_KHR
;
344 dri2_img
->dri_image
= loader_dri3_create_image(dri2_dpy
->conn
,
347 dri2_dpy
->dri_screen
,
353 return &dri2_img
->base
;
357 dri3_create_image_khr(_EGLDriver
*drv
, _EGLDisplay
*disp
,
358 _EGLContext
*ctx
, EGLenum target
,
359 EGLClientBuffer buffer
, const EGLint
*attr_list
)
364 case EGL_NATIVE_PIXMAP_KHR
:
365 return dri3_create_image_khr_pixmap(disp
, ctx
, buffer
, attr_list
);
367 return dri2_create_image_khr(drv
, disp
, ctx
, target
, buffer
, attr_list
);
372 * Called by the driver when it needs to update the real front buffer with the
373 * contents of its fake front buffer.
376 dri3_flush_front_buffer(__DRIdrawable
*driDrawable
, void *loaderPrivate
)
378 /* There does not seem to be any kind of consensus on whether we should
379 * support front-buffer rendering or not:
380 * http://lists.freedesktop.org/archives/mesa-dev/2013-June/040129.html
382 _eglLog(_EGL_WARNING
, "FIXME: egl/x11 doesn't support front buffer rendering.");
384 (void) loaderPrivate
;
387 const __DRIimageLoaderExtension dri3_image_loader_extension
= {
388 .base
= { __DRI_IMAGE_LOADER
, 1 },
390 .getBuffers
= loader_dri3_get_buffers
,
391 .flushFrontBuffer
= dri3_flush_front_buffer
,
395 dri3_swap_buffers(_EGLDriver
*drv
, _EGLDisplay
*disp
, _EGLSurface
*draw
)
397 struct dri3_egl_surface
*dri3_surf
= dri3_egl_surface(draw
);
399 /* No-op for a pixmap or pbuffer surface */
400 if (draw
->Type
== EGL_PIXMAP_BIT
|| draw
->Type
== EGL_PBUFFER_BIT
)
403 return loader_dri3_swap_buffers_msc(&dri3_surf
->loader_drawable
,
405 draw
->SwapBehavior
== EGL_BUFFER_PRESERVED
) != -1;
409 dri3_copy_buffers(_EGLDriver
*drv
, _EGLDisplay
*disp
, _EGLSurface
*surf
,
410 void *native_pixmap_target
)
412 struct dri3_egl_surface
*dri3_surf
= dri3_egl_surface(surf
);
415 STATIC_ASSERT(sizeof(uintptr_t) == sizeof(native_pixmap_target
));
416 target
= (uintptr_t) native_pixmap_target
;
418 loader_dri3_copy_drawable(&dri3_surf
->loader_drawable
, target
,
419 dri3_surf
->loader_drawable
.drawable
);
425 dri3_query_buffer_age(_EGLDriver
*drv
, _EGLDisplay
*dpy
, _EGLSurface
*surf
)
427 struct dri3_egl_surface
*dri3_surf
= dri3_egl_surface(surf
);
429 return loader_dri3_query_buffer_age(&dri3_surf
->loader_drawable
);
432 static __DRIdrawable
*
433 dri3_get_dri_drawable(_EGLSurface
*surf
)
435 struct dri3_egl_surface
*dri3_surf
= dri3_egl_surface(surf
);
437 return dri3_surf
->loader_drawable
.dri_drawable
;
440 struct dri2_egl_display_vtbl dri3_x11_display_vtbl
= {
441 .authenticate
= dri3_authenticate
,
442 .create_window_surface
= dri3_create_window_surface
,
443 .create_pixmap_surface
= dri3_create_pixmap_surface
,
444 .create_pbuffer_surface
= dri3_create_pbuffer_surface
,
445 .destroy_surface
= dri3_destroy_surface
,
446 .create_image
= dri3_create_image_khr
,
447 .swap_interval
= dri3_set_swap_interval
,
448 .swap_buffers
= dri3_swap_buffers
,
449 .swap_buffers_with_damage
= dri2_fallback_swap_buffers_with_damage
,
450 .swap_buffers_region
= dri2_fallback_swap_buffers_region
,
451 .post_sub_buffer
= dri2_fallback_post_sub_buffer
,
452 .copy_buffers
= dri3_copy_buffers
,
453 .query_buffer_age
= dri3_query_buffer_age
,
454 .create_wayland_buffer_from_image
= dri2_fallback_create_wayland_buffer_from_image
,
455 .get_sync_values
= dri3_get_sync_values
,
456 .get_dri_drawable
= dri3_get_dri_drawable
,
460 dri3_x11_connect(struct dri2_egl_display
*dri2_dpy
)
462 xcb_dri3_query_version_reply_t
*dri3_query
;
463 xcb_dri3_query_version_cookie_t dri3_query_cookie
;
464 xcb_present_query_version_reply_t
*present_query
;
465 xcb_present_query_version_cookie_t present_query_cookie
;
466 xcb_generic_error_t
*error
;
467 xcb_screen_iterator_t s
;
468 xcb_screen_t
*screen
;
469 const xcb_query_extension_reply_t
*extension
;
471 xcb_prefetch_extension_data (dri2_dpy
->conn
, &xcb_dri3_id
);
472 xcb_prefetch_extension_data (dri2_dpy
->conn
, &xcb_present_id
);
474 extension
= xcb_get_extension_data(dri2_dpy
->conn
, &xcb_dri3_id
);
475 if (!(extension
&& extension
->present
))
478 extension
= xcb_get_extension_data(dri2_dpy
->conn
, &xcb_present_id
);
479 if (!(extension
&& extension
->present
))
482 dri3_query_cookie
= xcb_dri3_query_version(dri2_dpy
->conn
,
483 XCB_DRI3_MAJOR_VERSION
,
484 XCB_DRI3_MINOR_VERSION
);
486 present_query_cookie
= xcb_present_query_version(dri2_dpy
->conn
,
487 XCB_PRESENT_MAJOR_VERSION
,
488 XCB_PRESENT_MINOR_VERSION
);
491 xcb_dri3_query_version_reply(dri2_dpy
->conn
, dri3_query_cookie
, &error
);
492 if (dri3_query
== NULL
|| error
!= NULL
) {
493 _eglLog(_EGL_WARNING
, "DRI3: failed to query the version");
501 xcb_present_query_version_reply(dri2_dpy
->conn
,
502 present_query_cookie
, &error
);
503 if (present_query
== NULL
|| error
!= NULL
) {
504 _eglLog(_EGL_WARNING
, "DRI3: failed to query Present version");
511 s
= xcb_setup_roots_iterator(xcb_get_setup(dri2_dpy
->conn
));
512 screen
= get_xcb_screen(s
, dri2_dpy
->screen
);
514 _eglError(EGL_BAD_NATIVE_WINDOW
, "dri3_x11_connect");
518 dri2_dpy
->fd
= loader_dri3_open(dri2_dpy
->conn
, screen
->root
, 0);
519 if (dri2_dpy
->fd
< 0) {
520 int conn_error
= xcb_connection_has_error(dri2_dpy
->conn
);
521 _eglLog(_EGL_WARNING
, "DRI3: Screen seems not DRI3 capable");
524 _eglLog(_EGL_WARNING
, "DRI3: Failed to initialize");
529 dri2_dpy
->fd
= loader_get_user_preferred_fd(dri2_dpy
->fd
, &dri2_dpy
->is_different_gpu
);
531 dri2_dpy
->driver_name
= loader_get_driver_for_fd(dri2_dpy
->fd
, 0);
532 if (!dri2_dpy
->driver_name
) {
533 _eglLog(_EGL_WARNING
, "DRI3: No driver found");
538 #ifdef HAVE_WAYLAND_PLATFORM
539 /* Only try to get a render device name since dri3 doesn't provide a
540 * mechanism for authenticating client opened device node fds. If this
541 * fails then don't advertise the extension. */
542 dri2_dpy
->device_name
= drmGetRenderDeviceNameFromFd(dri2_dpy
->fd
);