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_get_dri_screen(struct loader_dri3_drawable
*draw
)
109 _EGLContext
*ctx
= _eglGetCurrentContext();
110 struct dri2_egl_context
*dri2_ctx
;
113 dri2_ctx
= dri2_egl_context(ctx
);
114 return dri2_egl_display(dri2_ctx
->base
.Resource
.Display
)->dri_screen
;
118 egl_dri3_flush_drawable(struct loader_dri3_drawable
*draw
, unsigned flags
)
120 struct dri3_egl_surface
*dri3_surf
= loader_drawable_to_egl_surface(draw
);
121 _EGLDisplay
*disp
= dri3_surf
->base
.Resource
.Display
;
123 dri2_flush_drawable_for_swapbuffers(disp
, &dri3_surf
->base
);
126 static const struct loader_dri3_vtable egl_dri3_vtable
= {
127 .get_swap_interval
= egl_dri3_get_swap_interval
,
128 .clamp_swap_interval
= egl_dri3_clamp_swap_interval
,
129 .set_swap_interval
= egl_dri3_set_swap_interval
,
130 .set_drawable_size
= egl_dri3_set_drawable_size
,
131 .in_current_context
= egl_dri3_in_current_context
,
132 .get_dri_context
= egl_dri3_get_dri_context
,
133 .get_dri_screen
= egl_dri3_get_dri_screen
,
134 .flush_drawable
= egl_dri3_flush_drawable
,
139 dri3_destroy_surface(_EGLDriver
*drv
, _EGLDisplay
*disp
, _EGLSurface
*surf
)
141 struct dri3_egl_surface
*dri3_surf
= dri3_egl_surface(surf
);
145 loader_dri3_drawable_fini(&dri3_surf
->loader_drawable
);
153 dri3_set_swap_interval(_EGLDriver
*drv
, _EGLDisplay
*disp
, _EGLSurface
*surf
,
156 struct dri3_egl_surface
*dri3_surf
= dri3_egl_surface(surf
);
158 loader_dri3_set_swap_interval(&dri3_surf
->loader_drawable
, interval
);
163 static xcb_screen_t
*
164 get_xcb_screen(xcb_screen_iterator_t iter
, int screen
)
166 for (; iter
.rem
; --screen
, xcb_screen_next(&iter
))
174 dri3_create_surface(_EGLDriver
*drv
, _EGLDisplay
*disp
, EGLint type
,
175 _EGLConfig
*conf
, void *native_surface
,
176 const EGLint
*attrib_list
)
178 struct dri2_egl_display
*dri2_dpy
= dri2_egl_display(disp
);
179 struct dri2_egl_config
*dri2_conf
= dri2_egl_config(conf
);
180 struct dri3_egl_surface
*dri3_surf
;
181 const __DRIconfig
*dri_config
;
182 xcb_drawable_t drawable
;
183 xcb_screen_iterator_t s
;
184 xcb_screen_t
*screen
;
186 STATIC_ASSERT(sizeof(uintptr_t) == sizeof(native_surface
));
187 drawable
= (uintptr_t) native_surface
;
191 dri3_surf
= calloc(1, sizeof *dri3_surf
);
193 _eglError(EGL_BAD_ALLOC
, "dri3_create_surface");
197 if (!_eglInitSurface(&dri3_surf
->base
, disp
, type
, conf
, attrib_list
))
200 if (type
== EGL_PBUFFER_BIT
) {
201 s
= xcb_setup_roots_iterator(xcb_get_setup(dri2_dpy
->conn
));
202 screen
= get_xcb_screen(s
, dri2_dpy
->screen
);
204 _eglError(EGL_BAD_NATIVE_WINDOW
, "dri3_create_surface");
208 drawable
= xcb_generate_id(dri2_dpy
->conn
);
209 xcb_create_pixmap(dri2_dpy
->conn
, conf
->BufferSize
,
210 drawable
, screen
->root
,
211 dri3_surf
->base
.Width
, dri3_surf
->base
.Height
);
214 dri_config
= dri2_get_dri_config(dri2_conf
, type
,
215 dri3_surf
->base
.GLColorspace
);
217 if (loader_dri3_drawable_init(dri2_dpy
->conn
, drawable
,
218 dri2_dpy
->dri_screen
,
219 dri2_dpy
->is_different_gpu
, dri_config
,
220 &dri2_dpy
->loader_dri3_ext
,
222 &dri3_surf
->loader_drawable
)) {
223 _eglError(EGL_BAD_ALLOC
, "dri3_surface_create");
227 return &dri3_surf
->base
;
230 if (type
== EGL_PBUFFER_BIT
)
231 xcb_free_pixmap(dri2_dpy
->conn
, drawable
);
239 dri3_authenticate(_EGLDisplay
*disp
, uint32_t id
)
241 #ifdef HAVE_WAYLAND_PLATFORM
242 struct dri2_egl_display
*dri2_dpy
= dri2_egl_display(disp
);
244 if (dri2_dpy
->device_name
) {
245 _eglLog(_EGL_WARNING
,
246 "Wayland client render node authentication is unnecessary");
250 _eglLog(_EGL_WARNING
,
251 "Wayland client primary node authentication isn't supported");
258 * Called via eglCreateWindowSurface(), drv->API.CreateWindowSurface().
261 dri3_create_window_surface(_EGLDriver
*drv
, _EGLDisplay
*disp
,
262 _EGLConfig
*conf
, void *native_window
,
263 const EGLint
*attrib_list
)
265 struct dri2_egl_display
*dri2_dpy
= dri2_egl_display(disp
);
268 surf
= dri3_create_surface(drv
, disp
, EGL_WINDOW_BIT
, conf
,
269 native_window
, attrib_list
);
271 dri3_set_swap_interval(drv
, disp
, surf
, dri2_dpy
->default_swap_interval
);
277 dri3_create_pixmap_surface(_EGLDriver
*drv
, _EGLDisplay
*disp
,
278 _EGLConfig
*conf
, void *native_pixmap
,
279 const EGLint
*attrib_list
)
281 return dri3_create_surface(drv
, disp
, EGL_PIXMAP_BIT
, conf
,
282 native_pixmap
, attrib_list
);
286 dri3_create_pbuffer_surface(_EGLDriver
*drv
, _EGLDisplay
*disp
,
287 _EGLConfig
*conf
, const EGLint
*attrib_list
)
289 return dri3_create_surface(drv
, disp
, EGL_PBUFFER_BIT
, conf
,
290 XCB_WINDOW_NONE
, attrib_list
);
294 dri3_get_sync_values(_EGLDisplay
*display
, _EGLSurface
*surface
,
295 EGLuint64KHR
*ust
, EGLuint64KHR
*msc
,
298 struct dri3_egl_surface
*dri3_surf
= dri3_egl_surface(surface
);
300 return loader_dri3_wait_for_msc(&dri3_surf
->loader_drawable
, 0, 0, 0,
301 (int64_t *) ust
, (int64_t *) msc
,
302 (int64_t *) sbc
) ? EGL_TRUE
: EGL_FALSE
;
306 dri3_create_image_khr_pixmap(_EGLDisplay
*disp
, _EGLContext
*ctx
,
307 EGLClientBuffer buffer
, const EGLint
*attr_list
)
309 struct dri2_egl_display
*dri2_dpy
= dri2_egl_display(disp
);
310 struct dri2_egl_image
*dri2_img
;
311 xcb_drawable_t drawable
;
312 xcb_dri3_buffer_from_pixmap_cookie_t bp_cookie
;
313 xcb_dri3_buffer_from_pixmap_reply_t
*bp_reply
;
316 drawable
= (xcb_drawable_t
) (uintptr_t) buffer
;
317 bp_cookie
= xcb_dri3_buffer_from_pixmap(dri2_dpy
->conn
, drawable
);
318 bp_reply
= xcb_dri3_buffer_from_pixmap_reply(dri2_dpy
->conn
,
321 _eglError(EGL_BAD_ALLOC
, "xcb_dri3_buffer_from_pixmap");
325 switch (bp_reply
->depth
) {
327 format
= __DRI_IMAGE_FORMAT_RGB565
;
330 format
= __DRI_IMAGE_FORMAT_XRGB8888
;
333 format
= __DRI_IMAGE_FORMAT_ARGB8888
;
336 _eglError(EGL_BAD_PARAMETER
,
337 "dri3_create_image_khr: unsupported pixmap depth");
339 return EGL_NO_IMAGE_KHR
;
342 dri2_img
= malloc(sizeof *dri2_img
);
344 _eglError(EGL_BAD_ALLOC
, "dri3_create_image_khr");
345 return EGL_NO_IMAGE_KHR
;
348 if (!_eglInitImage(&dri2_img
->base
, disp
)) {
350 return EGL_NO_IMAGE_KHR
;
353 dri2_img
->dri_image
= loader_dri3_create_image(dri2_dpy
->conn
,
356 dri2_dpy
->dri_screen
,
362 return &dri2_img
->base
;
366 dri3_create_image_khr(_EGLDriver
*drv
, _EGLDisplay
*disp
,
367 _EGLContext
*ctx
, EGLenum target
,
368 EGLClientBuffer buffer
, const EGLint
*attr_list
)
373 case EGL_NATIVE_PIXMAP_KHR
:
374 return dri3_create_image_khr_pixmap(disp
, ctx
, buffer
, attr_list
);
376 return dri2_create_image_khr(drv
, disp
, ctx
, target
, buffer
, attr_list
);
381 * Called by the driver when it needs to update the real front buffer with the
382 * contents of its fake front buffer.
385 dri3_flush_front_buffer(__DRIdrawable
*driDrawable
, void *loaderPrivate
)
387 /* There does not seem to be any kind of consensus on whether we should
388 * support front-buffer rendering or not:
389 * http://lists.freedesktop.org/archives/mesa-dev/2013-June/040129.html
391 _eglLog(_EGL_WARNING
, "FIXME: egl/x11 doesn't support front buffer rendering.");
393 (void) loaderPrivate
;
396 const __DRIimageLoaderExtension dri3_image_loader_extension
= {
397 .base
= { __DRI_IMAGE_LOADER
, 1 },
399 .getBuffers
= loader_dri3_get_buffers
,
400 .flushFrontBuffer
= dri3_flush_front_buffer
,
404 dri3_swap_buffers(_EGLDriver
*drv
, _EGLDisplay
*disp
, _EGLSurface
*draw
)
406 struct dri3_egl_surface
*dri3_surf
= dri3_egl_surface(draw
);
408 /* No-op for a pixmap or pbuffer surface */
409 if (draw
->Type
== EGL_PIXMAP_BIT
|| draw
->Type
== EGL_PBUFFER_BIT
)
412 return loader_dri3_swap_buffers_msc(&dri3_surf
->loader_drawable
,
414 draw
->SwapBehavior
== EGL_BUFFER_PRESERVED
) != -1;
418 dri3_copy_buffers(_EGLDriver
*drv
, _EGLDisplay
*disp
, _EGLSurface
*surf
,
419 void *native_pixmap_target
)
421 struct dri3_egl_surface
*dri3_surf
= dri3_egl_surface(surf
);
424 STATIC_ASSERT(sizeof(uintptr_t) == sizeof(native_pixmap_target
));
425 target
= (uintptr_t) native_pixmap_target
;
427 loader_dri3_copy_drawable(&dri3_surf
->loader_drawable
, target
,
428 dri3_surf
->loader_drawable
.drawable
);
434 dri3_query_buffer_age(_EGLDriver
*drv
, _EGLDisplay
*dpy
, _EGLSurface
*surf
)
436 struct dri3_egl_surface
*dri3_surf
= dri3_egl_surface(surf
);
438 return loader_dri3_query_buffer_age(&dri3_surf
->loader_drawable
);
441 static __DRIdrawable
*
442 dri3_get_dri_drawable(_EGLSurface
*surf
)
444 struct dri3_egl_surface
*dri3_surf
= dri3_egl_surface(surf
);
446 return dri3_surf
->loader_drawable
.dri_drawable
;
449 struct dri2_egl_display_vtbl dri3_x11_display_vtbl
= {
450 .authenticate
= dri3_authenticate
,
451 .create_window_surface
= dri3_create_window_surface
,
452 .create_pixmap_surface
= dri3_create_pixmap_surface
,
453 .create_pbuffer_surface
= dri3_create_pbuffer_surface
,
454 .destroy_surface
= dri3_destroy_surface
,
455 .create_image
= dri3_create_image_khr
,
456 .swap_interval
= dri3_set_swap_interval
,
457 .swap_buffers
= dri3_swap_buffers
,
458 .swap_buffers_with_damage
= dri2_fallback_swap_buffers_with_damage
,
459 .swap_buffers_region
= dri2_fallback_swap_buffers_region
,
460 .post_sub_buffer
= dri2_fallback_post_sub_buffer
,
461 .copy_buffers
= dri3_copy_buffers
,
462 .query_buffer_age
= dri3_query_buffer_age
,
463 .create_wayland_buffer_from_image
= dri2_fallback_create_wayland_buffer_from_image
,
464 .get_sync_values
= dri3_get_sync_values
,
465 .get_dri_drawable
= dri3_get_dri_drawable
,
469 dri3_x11_connect(struct dri2_egl_display
*dri2_dpy
)
471 xcb_dri3_query_version_reply_t
*dri3_query
;
472 xcb_dri3_query_version_cookie_t dri3_query_cookie
;
473 xcb_present_query_version_reply_t
*present_query
;
474 xcb_present_query_version_cookie_t present_query_cookie
;
475 xcb_generic_error_t
*error
;
476 xcb_screen_iterator_t s
;
477 xcb_screen_t
*screen
;
478 const xcb_query_extension_reply_t
*extension
;
480 xcb_prefetch_extension_data (dri2_dpy
->conn
, &xcb_dri3_id
);
481 xcb_prefetch_extension_data (dri2_dpy
->conn
, &xcb_present_id
);
483 extension
= xcb_get_extension_data(dri2_dpy
->conn
, &xcb_dri3_id
);
484 if (!(extension
&& extension
->present
))
487 extension
= xcb_get_extension_data(dri2_dpy
->conn
, &xcb_present_id
);
488 if (!(extension
&& extension
->present
))
491 dri3_query_cookie
= xcb_dri3_query_version(dri2_dpy
->conn
,
492 XCB_DRI3_MAJOR_VERSION
,
493 XCB_DRI3_MINOR_VERSION
);
495 present_query_cookie
= xcb_present_query_version(dri2_dpy
->conn
,
496 XCB_PRESENT_MAJOR_VERSION
,
497 XCB_PRESENT_MINOR_VERSION
);
500 xcb_dri3_query_version_reply(dri2_dpy
->conn
, dri3_query_cookie
, &error
);
501 if (dri3_query
== NULL
|| error
!= NULL
) {
502 _eglLog(_EGL_WARNING
, "DRI3: failed to query the version");
510 xcb_present_query_version_reply(dri2_dpy
->conn
,
511 present_query_cookie
, &error
);
512 if (present_query
== NULL
|| error
!= NULL
) {
513 _eglLog(_EGL_WARNING
, "DRI3: failed to query Present version");
520 s
= xcb_setup_roots_iterator(xcb_get_setup(dri2_dpy
->conn
));
521 screen
= get_xcb_screen(s
, dri2_dpy
->screen
);
523 _eglError(EGL_BAD_NATIVE_WINDOW
, "dri3_x11_connect");
527 dri2_dpy
->fd
= loader_dri3_open(dri2_dpy
->conn
, screen
->root
, 0);
528 if (dri2_dpy
->fd
< 0) {
529 int conn_error
= xcb_connection_has_error(dri2_dpy
->conn
);
530 _eglLog(_EGL_WARNING
, "DRI3: Screen seems not DRI3 capable");
533 _eglLog(_EGL_WARNING
, "DRI3: Failed to initialize");
538 dri2_dpy
->fd
= loader_get_user_preferred_fd(dri2_dpy
->fd
, &dri2_dpy
->is_different_gpu
);
540 dri2_dpy
->driver_name
= loader_get_driver_for_fd(dri2_dpy
->fd
);
541 if (!dri2_dpy
->driver_name
) {
542 _eglLog(_EGL_WARNING
, "DRI3: No driver found");
547 #ifdef HAVE_WAYLAND_PLATFORM
548 /* Only try to get a render device name since dri3 doesn't provide a
549 * mechanism for authenticating client opened device node fds. If this
550 * fails then don't advertise the extension. */
551 dri2_dpy
->device_name
= drmGetRenderDeviceNameFromFd(dri2_dpy
->fd
);