egl: drop unused _EGLDriver from QueryBufferAge()
[mesa.git] / src / egl / drivers / dri2 / platform_x11_dri3.c
1 /*
2 * Copyright © 2015 Boyan Ding
3 *
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.
13 *
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
20 * OF THIS SOFTWARE.
21 */
22
23 #include <stdbool.h>
24 #include <stdlib.h>
25 #include <string.h>
26 #include <unistd.h>
27
28 #include <xcb/xcb.h>
29 #include <xcb/dri3.h>
30 #include <xcb/present.h>
31
32 #include <xf86drm.h>
33 #include "util/macros.h"
34
35 #include "egl_dri2.h"
36 #include "platform_x11_dri3.h"
37
38 #include "loader.h"
39 #include "loader_dri3_helper.h"
40
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);
45 }
46
47 static void
48 egl_dri3_set_drawable_size(struct loader_dri3_drawable *draw,
49 int width, int height)
50 {
51 struct dri3_egl_surface *dri3_surf = loader_drawable_to_egl_surface(draw);
52
53 dri3_surf->surf.base.Width = width;
54 dri3_surf->surf.base.Height = height;
55 }
56
57 static bool
58 egl_dri3_in_current_context(struct loader_dri3_drawable *draw)
59 {
60 struct dri3_egl_surface *dri3_surf = loader_drawable_to_egl_surface(draw);
61 _EGLContext *ctx = _eglGetCurrentContext();
62
63 return ctx->Resource.Display == dri3_surf->surf.base.Resource.Display;
64 }
65
66 static __DRIcontext *
67 egl_dri3_get_dri_context(struct loader_dri3_drawable *draw)
68 {
69 _EGLContext *ctx = _eglGetCurrentContext();
70 struct dri2_egl_context *dri2_ctx;
71 if (!ctx)
72 return NULL;
73 dri2_ctx = dri2_egl_context(ctx);
74 return dri2_ctx->dri_context;
75 }
76
77 static __DRIscreen *
78 egl_dri3_get_dri_screen(void)
79 {
80 _EGLContext *ctx = _eglGetCurrentContext();
81 struct dri2_egl_context *dri2_ctx;
82 if (!ctx)
83 return NULL;
84 dri2_ctx = dri2_egl_context(ctx);
85 return dri2_egl_display(dri2_ctx->base.Resource.Display)->dri_screen;
86 }
87
88 static void
89 egl_dri3_flush_drawable(struct loader_dri3_drawable *draw, unsigned flags)
90 {
91 struct dri3_egl_surface *dri3_surf = loader_drawable_to_egl_surface(draw);
92 _EGLDisplay *disp = dri3_surf->surf.base.Resource.Display;
93
94 dri2_flush_drawable_for_swapbuffers(disp, &dri3_surf->surf.base);
95 }
96
97 static const struct loader_dri3_vtable egl_dri3_vtable = {
98 .set_drawable_size = egl_dri3_set_drawable_size,
99 .in_current_context = egl_dri3_in_current_context,
100 .get_dri_context = egl_dri3_get_dri_context,
101 .get_dri_screen = egl_dri3_get_dri_screen,
102 .flush_drawable = egl_dri3_flush_drawable,
103 .show_fps = NULL,
104 };
105
106 static EGLBoolean
107 dri3_destroy_surface(_EGLDisplay *disp, _EGLSurface *surf)
108 {
109 struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
110 struct dri3_egl_surface *dri3_surf = dri3_egl_surface(surf);
111 xcb_drawable_t drawable = dri3_surf->loader_drawable.drawable;
112
113 loader_dri3_drawable_fini(&dri3_surf->loader_drawable);
114
115 if (surf->Type == EGL_PBUFFER_BIT)
116 xcb_free_pixmap (dri2_dpy->conn, drawable);
117
118 dri2_fini_surface(surf);
119 free(surf);
120
121 return EGL_TRUE;
122 }
123
124 static EGLBoolean
125 dri3_set_swap_interval(_EGLDisplay *disp, _EGLSurface *surf, EGLint interval)
126 {
127 struct dri3_egl_surface *dri3_surf = dri3_egl_surface(surf);
128
129 dri3_surf->surf.base.SwapInterval = interval;
130 loader_dri3_set_swap_interval(&dri3_surf->loader_drawable, interval);
131
132 return EGL_TRUE;
133 }
134
135 static _EGLSurface *
136 dri3_create_surface(_EGLDisplay *disp, EGLint type, _EGLConfig *conf,
137 void *native_surface, const EGLint *attrib_list)
138 {
139 struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
140 struct dri2_egl_config *dri2_conf = dri2_egl_config(conf);
141 struct dri3_egl_surface *dri3_surf;
142 const __DRIconfig *dri_config;
143 xcb_drawable_t drawable;
144
145 dri3_surf = calloc(1, sizeof *dri3_surf);
146 if (!dri3_surf) {
147 _eglError(EGL_BAD_ALLOC, "dri3_create_surface");
148 return NULL;
149 }
150
151 if (!dri2_init_surface(&dri3_surf->surf.base, disp, type, conf,
152 attrib_list, false, native_surface))
153 goto cleanup_surf;
154
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->surf.base.Width, dri3_surf->surf.base.Height);
160 } else {
161 STATIC_ASSERT(sizeof(uintptr_t) == sizeof(native_surface));
162 drawable = (uintptr_t) native_surface;
163 }
164
165 dri_config = dri2_get_dri_config(dri2_conf, type,
166 dri3_surf->surf.base.GLColorspace);
167
168 if (!dri_config) {
169 _eglError(EGL_BAD_MATCH, "Unsupported surfacetype/colorspace configuration");
170 goto cleanup_pixmap;
171 }
172
173 if (loader_dri3_drawable_init(dri2_dpy->conn, drawable,
174 dri2_dpy->dri_screen,
175 dri2_dpy->is_different_gpu,
176 dri2_dpy->multibuffers_available,
177 dri_config,
178 &dri2_dpy->loader_dri3_ext,
179 &egl_dri3_vtable,
180 &dri3_surf->loader_drawable)) {
181 _eglError(EGL_BAD_ALLOC, "dri3_surface_create");
182 goto cleanup_pixmap;
183 }
184
185 return &dri3_surf->surf.base;
186
187 cleanup_pixmap:
188 if (type == EGL_PBUFFER_BIT)
189 xcb_free_pixmap(dri2_dpy->conn, drawable);
190 cleanup_surf:
191 free(dri3_surf);
192
193 return NULL;
194 }
195
196 static int
197 dri3_authenticate(_EGLDisplay *disp, uint32_t id)
198 {
199 #ifdef HAVE_WAYLAND_PLATFORM
200 struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
201
202 if (dri2_dpy->device_name) {
203 _eglLog(_EGL_WARNING,
204 "Wayland client render node authentication is unnecessary");
205 return 0;
206 }
207
208 _eglLog(_EGL_WARNING,
209 "Wayland client primary node authentication isn't supported");
210 #endif
211
212 return -1;
213 }
214
215 /**
216 * Called via eglCreateWindowSurface(), drv->CreateWindowSurface().
217 */
218 static _EGLSurface *
219 dri3_create_window_surface(_EGLDisplay *disp, _EGLConfig *conf,
220 void *native_window, const EGLint *attrib_list)
221 {
222 struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
223 _EGLSurface *surf;
224
225 surf = dri3_create_surface(disp, EGL_WINDOW_BIT, conf,
226 native_window, attrib_list);
227 if (surf != NULL)
228 dri3_set_swap_interval(disp, surf, dri2_dpy->default_swap_interval);
229
230 return surf;
231 }
232
233 static _EGLSurface *
234 dri3_create_pixmap_surface(_EGLDisplay *disp, _EGLConfig *conf,
235 void *native_pixmap, const EGLint *attrib_list)
236 {
237 return dri3_create_surface(disp, EGL_PIXMAP_BIT, conf,
238 native_pixmap, attrib_list);
239 }
240
241 static _EGLSurface *
242 dri3_create_pbuffer_surface(_EGLDisplay *disp, _EGLConfig *conf,
243 const EGLint *attrib_list)
244 {
245 return dri3_create_surface(disp, EGL_PBUFFER_BIT, conf,
246 NULL, attrib_list);
247 }
248
249 static EGLBoolean
250 dri3_get_sync_values(_EGLDisplay *display, _EGLSurface *surface,
251 EGLuint64KHR *ust, EGLuint64KHR *msc,
252 EGLuint64KHR *sbc)
253 {
254 struct dri3_egl_surface *dri3_surf = dri3_egl_surface(surface);
255
256 return loader_dri3_wait_for_msc(&dri3_surf->loader_drawable, 0, 0, 0,
257 (int64_t *) ust, (int64_t *) msc,
258 (int64_t *) sbc) ? EGL_TRUE : EGL_FALSE;
259 }
260
261 static _EGLImage *
262 dri3_create_image_khr_pixmap(_EGLDisplay *disp, _EGLContext *ctx,
263 EGLClientBuffer buffer, const EGLint *attr_list)
264 {
265 struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
266 struct dri2_egl_image *dri2_img;
267 xcb_drawable_t drawable;
268 xcb_dri3_buffer_from_pixmap_cookie_t bp_cookie;
269 xcb_dri3_buffer_from_pixmap_reply_t *bp_reply;
270 unsigned int format;
271
272 drawable = (xcb_drawable_t) (uintptr_t) buffer;
273 bp_cookie = xcb_dri3_buffer_from_pixmap(dri2_dpy->conn, drawable);
274 bp_reply = xcb_dri3_buffer_from_pixmap_reply(dri2_dpy->conn,
275 bp_cookie, NULL);
276 if (!bp_reply) {
277 _eglError(EGL_BAD_ALLOC, "xcb_dri3_buffer_from_pixmap");
278 return NULL;
279 }
280
281 format = dri2_format_for_depth(dri2_dpy, bp_reply->depth);
282 if (format == __DRI_IMAGE_FORMAT_NONE) {
283 _eglError(EGL_BAD_PARAMETER,
284 "dri3_create_image_khr: unsupported pixmap depth");
285 free(bp_reply);
286 return EGL_NO_IMAGE_KHR;
287 }
288
289 dri2_img = malloc(sizeof *dri2_img);
290 if (!dri2_img) {
291 _eglError(EGL_BAD_ALLOC, "dri3_create_image_khr");
292 free(bp_reply);
293 return EGL_NO_IMAGE_KHR;
294 }
295
296 _eglInitImage(&dri2_img->base, disp);
297
298 dri2_img->dri_image = loader_dri3_create_image(dri2_dpy->conn,
299 bp_reply,
300 format,
301 dri2_dpy->dri_screen,
302 dri2_dpy->image,
303 dri2_img);
304
305 free(bp_reply);
306
307 return &dri2_img->base;
308 }
309
310 #ifdef HAVE_DRI3_MODIFIERS
311 static _EGLImage *
312 dri3_create_image_khr_pixmap_from_buffers(_EGLDisplay *disp, _EGLContext *ctx,
313 EGLClientBuffer buffer,
314 const EGLint *attr_list)
315 {
316 struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
317 struct dri2_egl_image *dri2_img;
318 xcb_dri3_buffers_from_pixmap_cookie_t bp_cookie;
319 xcb_dri3_buffers_from_pixmap_reply_t *bp_reply;
320 xcb_drawable_t drawable;
321 unsigned int format;
322
323 drawable = (xcb_drawable_t) (uintptr_t) buffer;
324 bp_cookie = xcb_dri3_buffers_from_pixmap(dri2_dpy->conn, drawable);
325 bp_reply = xcb_dri3_buffers_from_pixmap_reply(dri2_dpy->conn,
326 bp_cookie, NULL);
327
328 if (!bp_reply) {
329 _eglError(EGL_BAD_ATTRIBUTE, "dri3_create_image_khr");
330 return EGL_NO_IMAGE_KHR;
331 }
332
333 format = dri2_format_for_depth(dri2_dpy, bp_reply->depth);
334 if (format == __DRI_IMAGE_FORMAT_NONE) {
335 _eglError(EGL_BAD_PARAMETER,
336 "dri3_create_image_khr: unsupported pixmap depth");
337 free(bp_reply);
338 return EGL_NO_IMAGE_KHR;
339 }
340
341 dri2_img = malloc(sizeof *dri2_img);
342 if (!dri2_img) {
343 _eglError(EGL_BAD_ALLOC, "dri3_create_image_khr");
344 free(bp_reply);
345 return EGL_NO_IMAGE_KHR;
346 }
347
348 _eglInitImage(&dri2_img->base, disp);
349
350 dri2_img->dri_image = loader_dri3_create_image_from_buffers(dri2_dpy->conn,
351 bp_reply,
352 format,
353 dri2_dpy->dri_screen,
354 dri2_dpy->image,
355 dri2_img);
356 free(bp_reply);
357
358 if (!dri2_img->dri_image) {
359 _eglError(EGL_BAD_ATTRIBUTE, "dri3_create_image_khr");
360 free(dri2_img);
361 return EGL_NO_IMAGE_KHR;
362 }
363
364 return &dri2_img->base;
365 }
366 #endif
367
368 static _EGLImage *
369 dri3_create_image_khr(_EGLDisplay *disp, _EGLContext *ctx, EGLenum target,
370 EGLClientBuffer buffer, const EGLint *attr_list)
371 {
372 #ifdef HAVE_DRI3_MODIFIERS
373 struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
374 #endif
375
376 switch (target) {
377 case EGL_NATIVE_PIXMAP_KHR:
378 #ifdef HAVE_DRI3_MODIFIERS
379 if (dri2_dpy->multibuffers_available)
380 return dri3_create_image_khr_pixmap_from_buffers(disp, ctx, buffer,
381 attr_list);
382 #endif
383 return dri3_create_image_khr_pixmap(disp, ctx, buffer, attr_list);
384 default:
385 return dri2_create_image_khr(disp, ctx, target, buffer, attr_list);
386 }
387 }
388
389 /**
390 * Called by the driver when it needs to update the real front buffer with the
391 * contents of its fake front buffer.
392 */
393 static void
394 dri3_flush_front_buffer(__DRIdrawable *driDrawable, void *loaderPrivate)
395 {
396 struct loader_dri3_drawable *draw = loaderPrivate;
397 (void) driDrawable;
398
399 /* There does not seem to be any kind of consensus on whether we should
400 * support front-buffer rendering or not:
401 * http://lists.freedesktop.org/archives/mesa-dev/2013-June/040129.html
402 */
403 if (!draw->is_pixmap)
404 _eglLog(_EGL_WARNING, "FIXME: egl/x11 doesn't support front buffer rendering.");
405 }
406
407 const __DRIimageLoaderExtension dri3_image_loader_extension = {
408 .base = { __DRI_IMAGE_LOADER, 1 },
409
410 .getBuffers = loader_dri3_get_buffers,
411 .flushFrontBuffer = dri3_flush_front_buffer,
412 };
413
414 static EGLBoolean
415 dri3_swap_buffers(_EGLDisplay *disp, _EGLSurface *draw)
416 {
417 struct dri3_egl_surface *dri3_surf = dri3_egl_surface(draw);
418
419 return loader_dri3_swap_buffers_msc(&dri3_surf->loader_drawable,
420 0, 0, 0, 0,
421 draw->SwapBehavior == EGL_BUFFER_PRESERVED) != -1;
422 }
423
424 static EGLBoolean
425 dri3_copy_buffers(_EGLDisplay *disp, _EGLSurface *surf, void *native_pixmap_target)
426 {
427 struct dri3_egl_surface *dri3_surf = dri3_egl_surface(surf);
428 xcb_pixmap_t target;
429
430 STATIC_ASSERT(sizeof(uintptr_t) == sizeof(native_pixmap_target));
431 target = (uintptr_t) native_pixmap_target;
432
433 loader_dri3_copy_drawable(&dri3_surf->loader_drawable, target,
434 dri3_surf->loader_drawable.drawable);
435
436 return EGL_TRUE;
437 }
438
439 static int
440 dri3_query_buffer_age(_EGLDisplay *disp, _EGLSurface *surf)
441 {
442 struct dri3_egl_surface *dri3_surf = dri3_egl_surface(surf);
443
444 return loader_dri3_query_buffer_age(&dri3_surf->loader_drawable);
445 }
446
447 static EGLBoolean
448 dri3_query_surface(_EGLDisplay *disp, _EGLSurface *surf,
449 EGLint attribute, EGLint *value)
450 {
451 struct dri3_egl_surface *dri3_surf = dri3_egl_surface(surf);
452
453 switch (attribute) {
454 case EGL_WIDTH:
455 case EGL_HEIGHT:
456 loader_dri3_update_drawable_geometry(&dri3_surf->loader_drawable);
457 break;
458 default:
459 break;
460 }
461
462 return _eglQuerySurface(disp, surf, attribute, value);
463 }
464
465 static __DRIdrawable *
466 dri3_get_dri_drawable(_EGLSurface *surf)
467 {
468 struct dri3_egl_surface *dri3_surf = dri3_egl_surface(surf);
469
470 return dri3_surf->loader_drawable.dri_drawable;
471 }
472
473 static void
474 dri3_close_screen_notify(_EGLDisplay *disp)
475 {
476 struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
477
478 loader_dri3_close_screen(dri2_dpy->dri_screen);
479 }
480
481 struct dri2_egl_display_vtbl dri3_x11_display_vtbl = {
482 .authenticate = dri3_authenticate,
483 .create_window_surface = dri3_create_window_surface,
484 .create_pixmap_surface = dri3_create_pixmap_surface,
485 .create_pbuffer_surface = dri3_create_pbuffer_surface,
486 .destroy_surface = dri3_destroy_surface,
487 .create_image = dri3_create_image_khr,
488 .swap_interval = dri3_set_swap_interval,
489 .swap_buffers = dri3_swap_buffers,
490 .copy_buffers = dri3_copy_buffers,
491 .query_buffer_age = dri3_query_buffer_age,
492 .query_surface = dri3_query_surface,
493 .get_sync_values = dri3_get_sync_values,
494 .get_dri_drawable = dri3_get_dri_drawable,
495 .close_screen_notify = dri3_close_screen_notify,
496 };
497
498 /* Only request versions of these protocols which we actually support. */
499 #define DRI3_SUPPORTED_MAJOR 1
500 #define PRESENT_SUPPORTED_MAJOR 1
501
502 #ifdef HAVE_DRI3_MODIFIERS
503 #define DRI3_SUPPORTED_MINOR 2
504 #define PRESENT_SUPPORTED_MINOR 2
505 #else
506 #define PRESENT_SUPPORTED_MINOR 0
507 #define DRI3_SUPPORTED_MINOR 0
508 #endif
509
510 EGLBoolean
511 dri3_x11_connect(struct dri2_egl_display *dri2_dpy)
512 {
513 xcb_dri3_query_version_reply_t *dri3_query;
514 xcb_dri3_query_version_cookie_t dri3_query_cookie;
515 xcb_present_query_version_reply_t *present_query;
516 xcb_present_query_version_cookie_t present_query_cookie;
517 xcb_generic_error_t *error;
518 const xcb_query_extension_reply_t *extension;
519
520 xcb_prefetch_extension_data (dri2_dpy->conn, &xcb_dri3_id);
521 xcb_prefetch_extension_data (dri2_dpy->conn, &xcb_present_id);
522
523 extension = xcb_get_extension_data(dri2_dpy->conn, &xcb_dri3_id);
524 if (!(extension && extension->present))
525 return EGL_FALSE;
526
527 extension = xcb_get_extension_data(dri2_dpy->conn, &xcb_present_id);
528 if (!(extension && extension->present))
529 return EGL_FALSE;
530
531 dri3_query_cookie = xcb_dri3_query_version(dri2_dpy->conn,
532 DRI3_SUPPORTED_MAJOR,
533 DRI3_SUPPORTED_MINOR);
534
535 present_query_cookie = xcb_present_query_version(dri2_dpy->conn,
536 PRESENT_SUPPORTED_MAJOR,
537 PRESENT_SUPPORTED_MINOR);
538
539 dri3_query =
540 xcb_dri3_query_version_reply(dri2_dpy->conn, dri3_query_cookie, &error);
541 if (dri3_query == NULL || error != NULL) {
542 _eglLog(_EGL_WARNING, "DRI3: failed to query the version");
543 free(dri3_query);
544 free(error);
545 return EGL_FALSE;
546 }
547
548 dri2_dpy->dri3_major_version = dri3_query->major_version;
549 dri2_dpy->dri3_minor_version = dri3_query->minor_version;
550 free(dri3_query);
551
552 present_query =
553 xcb_present_query_version_reply(dri2_dpy->conn,
554 present_query_cookie, &error);
555 if (present_query == NULL || error != NULL) {
556 _eglLog(_EGL_WARNING, "DRI3: failed to query Present version");
557 free(present_query);
558 free(error);
559 return EGL_FALSE;
560 }
561
562 dri2_dpy->present_major_version = present_query->major_version;
563 dri2_dpy->present_minor_version = present_query->minor_version;
564 free(present_query);
565
566 dri2_dpy->fd = loader_dri3_open(dri2_dpy->conn, dri2_dpy->screen->root, 0);
567 if (dri2_dpy->fd < 0) {
568 int conn_error = xcb_connection_has_error(dri2_dpy->conn);
569 _eglLog(_EGL_WARNING, "DRI3: Screen seems not DRI3 capable");
570
571 if (conn_error)
572 _eglLog(_EGL_WARNING, "DRI3: Failed to initialize");
573
574 return EGL_FALSE;
575 }
576
577 dri2_dpy->fd = loader_get_user_preferred_fd(dri2_dpy->fd, &dri2_dpy->is_different_gpu);
578
579 dri2_dpy->driver_name = loader_get_driver_for_fd(dri2_dpy->fd);
580 if (!dri2_dpy->driver_name) {
581 _eglLog(_EGL_WARNING, "DRI3: No driver found");
582 close(dri2_dpy->fd);
583 return EGL_FALSE;
584 }
585
586 #ifdef HAVE_WAYLAND_PLATFORM
587 /* Only try to get a render device name since dri3 doesn't provide a
588 * mechanism for authenticating client opened device node fds. If this
589 * fails then don't advertise the extension. */
590 dri2_dpy->device_name = drmGetRenderDeviceNameFromFd(dri2_dpy->fd);
591 #endif
592
593 return EGL_TRUE;
594 }