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
->base
.Width
= width
;
55 dri3_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
->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(struct loader_dri3_drawable
*draw
)
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
->base
.Resource
.Display
;
95 dri2_flush_drawable_for_swapbuffers(disp
, &dri3_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 dri3_egl_surface
*dri3_surf
= dri3_egl_surface(surf
);
114 loader_dri3_drawable_fini(&dri3_surf
->loader_drawable
);
122 dri3_set_swap_interval(_EGLDriver
*drv
, _EGLDisplay
*disp
, _EGLSurface
*surf
,
125 struct dri3_egl_surface
*dri3_surf
= dri3_egl_surface(surf
);
127 dri3_surf
->base
.SwapInterval
= interval
;
128 loader_dri3_set_swap_interval(&dri3_surf
->loader_drawable
, interval
);
134 dri3_create_surface(_EGLDriver
*drv
, _EGLDisplay
*disp
, EGLint type
,
135 _EGLConfig
*conf
, void *native_surface
,
136 const EGLint
*attrib_list
)
138 struct dri2_egl_display
*dri2_dpy
= dri2_egl_display(disp
);
139 struct dri2_egl_config
*dri2_conf
= dri2_egl_config(conf
);
140 struct dri3_egl_surface
*dri3_surf
;
141 const __DRIconfig
*dri_config
;
142 xcb_drawable_t drawable
;
146 dri3_surf
= calloc(1, sizeof *dri3_surf
);
148 _eglError(EGL_BAD_ALLOC
, "dri3_create_surface");
152 if (!_eglInitSurface(&dri3_surf
->base
, disp
, type
, conf
, attrib_list
))
155 if (type
== EGL_PBUFFER_BIT
) {
156 drawable
= xcb_generate_id(dri2_dpy
->conn
);
157 xcb_create_pixmap(dri2_dpy
->conn
, conf
->BufferSize
,
158 drawable
, dri2_dpy
->screen
->root
,
159 dri3_surf
->base
.Width
, dri3_surf
->base
.Height
);
161 STATIC_ASSERT(sizeof(uintptr_t) == sizeof(native_surface
));
162 drawable
= (uintptr_t) native_surface
;
165 dri_config
= dri2_get_dri_config(dri2_conf
, type
,
166 dri3_surf
->base
.GLColorspace
);
168 if (loader_dri3_drawable_init(dri2_dpy
->conn
, drawable
,
169 dri2_dpy
->dri_screen
,
170 dri2_dpy
->is_different_gpu
, dri_config
,
171 &dri2_dpy
->loader_dri3_ext
,
173 &dri3_surf
->loader_drawable
)) {
174 _eglError(EGL_BAD_ALLOC
, "dri3_surface_create");
178 return &dri3_surf
->base
;
181 if (type
== EGL_PBUFFER_BIT
)
182 xcb_free_pixmap(dri2_dpy
->conn
, drawable
);
190 dri3_authenticate(_EGLDisplay
*disp
, uint32_t id
)
192 #ifdef HAVE_WAYLAND_PLATFORM
193 struct dri2_egl_display
*dri2_dpy
= dri2_egl_display(disp
);
195 if (dri2_dpy
->device_name
) {
196 _eglLog(_EGL_WARNING
,
197 "Wayland client render node authentication is unnecessary");
201 _eglLog(_EGL_WARNING
,
202 "Wayland client primary node authentication isn't supported");
209 * Called via eglCreateWindowSurface(), drv->API.CreateWindowSurface().
212 dri3_create_window_surface(_EGLDriver
*drv
, _EGLDisplay
*disp
,
213 _EGLConfig
*conf
, void *native_window
,
214 const EGLint
*attrib_list
)
216 struct dri2_egl_display
*dri2_dpy
= dri2_egl_display(disp
);
219 surf
= dri3_create_surface(drv
, disp
, EGL_WINDOW_BIT
, conf
,
220 native_window
, attrib_list
);
222 dri3_set_swap_interval(drv
, disp
, surf
, dri2_dpy
->default_swap_interval
);
228 dri3_create_pixmap_surface(_EGLDriver
*drv
, _EGLDisplay
*disp
,
229 _EGLConfig
*conf
, void *native_pixmap
,
230 const EGLint
*attrib_list
)
232 return dri3_create_surface(drv
, disp
, EGL_PIXMAP_BIT
, conf
,
233 native_pixmap
, attrib_list
);
237 dri3_create_pbuffer_surface(_EGLDriver
*drv
, _EGLDisplay
*disp
,
238 _EGLConfig
*conf
, const EGLint
*attrib_list
)
240 return dri3_create_surface(drv
, disp
, EGL_PBUFFER_BIT
, conf
,
241 XCB_WINDOW_NONE
, attrib_list
);
245 dri3_get_sync_values(_EGLDisplay
*display
, _EGLSurface
*surface
,
246 EGLuint64KHR
*ust
, EGLuint64KHR
*msc
,
249 struct dri3_egl_surface
*dri3_surf
= dri3_egl_surface(surface
);
251 return loader_dri3_wait_for_msc(&dri3_surf
->loader_drawable
, 0, 0, 0,
252 (int64_t *) ust
, (int64_t *) msc
,
253 (int64_t *) sbc
) ? EGL_TRUE
: EGL_FALSE
;
257 dri3_create_image_khr_pixmap(_EGLDisplay
*disp
, _EGLContext
*ctx
,
258 EGLClientBuffer buffer
, const EGLint
*attr_list
)
260 struct dri2_egl_display
*dri2_dpy
= dri2_egl_display(disp
);
261 struct dri2_egl_image
*dri2_img
;
262 xcb_drawable_t drawable
;
263 xcb_dri3_buffer_from_pixmap_cookie_t bp_cookie
;
264 xcb_dri3_buffer_from_pixmap_reply_t
*bp_reply
;
267 drawable
= (xcb_drawable_t
) (uintptr_t) buffer
;
268 bp_cookie
= xcb_dri3_buffer_from_pixmap(dri2_dpy
->conn
, drawable
);
269 bp_reply
= xcb_dri3_buffer_from_pixmap_reply(dri2_dpy
->conn
,
272 _eglError(EGL_BAD_ALLOC
, "xcb_dri3_buffer_from_pixmap");
276 switch (bp_reply
->depth
) {
278 format
= __DRI_IMAGE_FORMAT_RGB565
;
281 format
= __DRI_IMAGE_FORMAT_XRGB8888
;
284 format
= __DRI_IMAGE_FORMAT_ARGB8888
;
287 _eglError(EGL_BAD_PARAMETER
,
288 "dri3_create_image_khr: unsupported pixmap depth");
290 return EGL_NO_IMAGE_KHR
;
293 dri2_img
= malloc(sizeof *dri2_img
);
295 _eglError(EGL_BAD_ALLOC
, "dri3_create_image_khr");
296 return EGL_NO_IMAGE_KHR
;
299 _eglInitImage(&dri2_img
->base
, disp
);
301 dri2_img
->dri_image
= loader_dri3_create_image(dri2_dpy
->conn
,
304 dri2_dpy
->dri_screen
,
310 return &dri2_img
->base
;
314 dri3_create_image_khr(_EGLDriver
*drv
, _EGLDisplay
*disp
,
315 _EGLContext
*ctx
, EGLenum target
,
316 EGLClientBuffer buffer
, const EGLint
*attr_list
)
321 case EGL_NATIVE_PIXMAP_KHR
:
322 return dri3_create_image_khr_pixmap(disp
, ctx
, buffer
, attr_list
);
324 return dri2_create_image_khr(drv
, disp
, ctx
, target
, buffer
, attr_list
);
329 * Called by the driver when it needs to update the real front buffer with the
330 * contents of its fake front buffer.
333 dri3_flush_front_buffer(__DRIdrawable
*driDrawable
, void *loaderPrivate
)
335 /* There does not seem to be any kind of consensus on whether we should
336 * support front-buffer rendering or not:
337 * http://lists.freedesktop.org/archives/mesa-dev/2013-June/040129.html
339 _eglLog(_EGL_WARNING
, "FIXME: egl/x11 doesn't support front buffer rendering.");
341 (void) loaderPrivate
;
344 const __DRIimageLoaderExtension dri3_image_loader_extension
= {
345 .base
= { __DRI_IMAGE_LOADER
, 1 },
347 .getBuffers
= loader_dri3_get_buffers
,
348 .flushFrontBuffer
= dri3_flush_front_buffer
,
352 dri3_swap_buffers(_EGLDriver
*drv
, _EGLDisplay
*disp
, _EGLSurface
*draw
)
354 struct dri3_egl_surface
*dri3_surf
= dri3_egl_surface(draw
);
356 /* No-op for a pixmap or pbuffer surface */
357 if (draw
->Type
== EGL_PIXMAP_BIT
|| draw
->Type
== EGL_PBUFFER_BIT
)
360 return loader_dri3_swap_buffers_msc(&dri3_surf
->loader_drawable
,
362 draw
->SwapBehavior
== EGL_BUFFER_PRESERVED
) != -1;
366 dri3_copy_buffers(_EGLDriver
*drv
, _EGLDisplay
*disp
, _EGLSurface
*surf
,
367 void *native_pixmap_target
)
369 struct dri3_egl_surface
*dri3_surf
= dri3_egl_surface(surf
);
372 STATIC_ASSERT(sizeof(uintptr_t) == sizeof(native_pixmap_target
));
373 target
= (uintptr_t) native_pixmap_target
;
375 loader_dri3_copy_drawable(&dri3_surf
->loader_drawable
, target
,
376 dri3_surf
->loader_drawable
.drawable
);
382 dri3_query_buffer_age(_EGLDriver
*drv
, _EGLDisplay
*dpy
, _EGLSurface
*surf
)
384 struct dri3_egl_surface
*dri3_surf
= dri3_egl_surface(surf
);
386 return loader_dri3_query_buffer_age(&dri3_surf
->loader_drawable
);
390 dri3_query_surface(_EGLDriver
*drv
, _EGLDisplay
*dpy
,
391 _EGLSurface
*surf
, EGLint attribute
,
394 struct dri3_egl_surface
*dri3_surf
= dri3_egl_surface(surf
);
399 loader_dri3_update_drawable_geometry(&dri3_surf
->loader_drawable
);
405 return _eglQuerySurface(drv
, dpy
, surf
, attribute
, value
);
408 static __DRIdrawable
*
409 dri3_get_dri_drawable(_EGLSurface
*surf
)
411 struct dri3_egl_surface
*dri3_surf
= dri3_egl_surface(surf
);
413 return dri3_surf
->loader_drawable
.dri_drawable
;
416 struct dri2_egl_display_vtbl dri3_x11_display_vtbl
= {
417 .authenticate
= dri3_authenticate
,
418 .create_window_surface
= dri3_create_window_surface
,
419 .create_pixmap_surface
= dri3_create_pixmap_surface
,
420 .create_pbuffer_surface
= dri3_create_pbuffer_surface
,
421 .destroy_surface
= dri3_destroy_surface
,
422 .create_image
= dri3_create_image_khr
,
423 .swap_interval
= dri3_set_swap_interval
,
424 .swap_buffers
= dri3_swap_buffers
,
425 .swap_buffers_with_damage
= dri2_fallback_swap_buffers_with_damage
,
426 .swap_buffers_region
= dri2_fallback_swap_buffers_region
,
427 .set_damage_region
= dri2_fallback_set_damage_region
,
428 .post_sub_buffer
= dri2_fallback_post_sub_buffer
,
429 .copy_buffers
= dri3_copy_buffers
,
430 .query_buffer_age
= dri3_query_buffer_age
,
431 .query_surface
= dri3_query_surface
,
432 .create_wayland_buffer_from_image
= dri2_fallback_create_wayland_buffer_from_image
,
433 .get_sync_values
= dri3_get_sync_values
,
434 .get_dri_drawable
= dri3_get_dri_drawable
,
438 dri3_x11_connect(struct dri2_egl_display
*dri2_dpy
)
440 xcb_dri3_query_version_reply_t
*dri3_query
;
441 xcb_dri3_query_version_cookie_t dri3_query_cookie
;
442 xcb_present_query_version_reply_t
*present_query
;
443 xcb_present_query_version_cookie_t present_query_cookie
;
444 xcb_generic_error_t
*error
;
445 const xcb_query_extension_reply_t
*extension
;
447 xcb_prefetch_extension_data (dri2_dpy
->conn
, &xcb_dri3_id
);
448 xcb_prefetch_extension_data (dri2_dpy
->conn
, &xcb_present_id
);
450 extension
= xcb_get_extension_data(dri2_dpy
->conn
, &xcb_dri3_id
);
451 if (!(extension
&& extension
->present
))
454 extension
= xcb_get_extension_data(dri2_dpy
->conn
, &xcb_present_id
);
455 if (!(extension
&& extension
->present
))
458 dri3_query_cookie
= xcb_dri3_query_version(dri2_dpy
->conn
,
459 XCB_DRI3_MAJOR_VERSION
,
460 XCB_DRI3_MINOR_VERSION
);
462 present_query_cookie
= xcb_present_query_version(dri2_dpy
->conn
,
463 XCB_PRESENT_MAJOR_VERSION
,
464 XCB_PRESENT_MINOR_VERSION
);
467 xcb_dri3_query_version_reply(dri2_dpy
->conn
, dri3_query_cookie
, &error
);
468 if (dri3_query
== NULL
|| error
!= NULL
) {
469 _eglLog(_EGL_WARNING
, "DRI3: failed to query the version");
477 xcb_present_query_version_reply(dri2_dpy
->conn
,
478 present_query_cookie
, &error
);
479 if (present_query
== NULL
|| error
!= NULL
) {
480 _eglLog(_EGL_WARNING
, "DRI3: failed to query Present version");
487 dri2_dpy
->fd
= loader_dri3_open(dri2_dpy
->conn
, dri2_dpy
->screen
->root
, 0);
488 if (dri2_dpy
->fd
< 0) {
489 int conn_error
= xcb_connection_has_error(dri2_dpy
->conn
);
490 _eglLog(_EGL_WARNING
, "DRI3: Screen seems not DRI3 capable");
493 _eglLog(_EGL_WARNING
, "DRI3: Failed to initialize");
498 dri2_dpy
->fd
= loader_get_user_preferred_fd(dri2_dpy
->fd
, &dri2_dpy
->is_different_gpu
);
500 dri2_dpy
->driver_name
= loader_get_driver_for_fd(dri2_dpy
->fd
);
501 if (!dri2_dpy
->driver_name
) {
502 _eglLog(_EGL_WARNING
, "DRI3: No driver found");
507 #ifdef HAVE_WAYLAND_PLATFORM
508 /* Only try to get a render device name since dri3 doesn't provide a
509 * mechanism for authenticating client opened device node fds. If this
510 * fails then don't advertise the extension. */
511 dri2_dpy
->device_name
= drmGetRenderDeviceNameFromFd(dri2_dpy
->fd
);