egl/dri2: Close file descriptor on error.
[mesa.git] / src / egl / drivers / dri2 / platform_drm.c
1 /*
2 * Copyright © 2011 Intel Corporation
3 *
4 * Permission is hereby granted, free of charge, to any person obtaining a
5 * copy of this software and associated documentation files (the "Software"),
6 * to deal in the Software without restriction, including without limitation
7 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
8 * and/or sell copies of the Software, and to permit persons to whom the
9 * Software is furnished to do so, subject to the following conditions:
10 *
11 * The above copyright notice and this permission notice (including the next
12 * paragraph) shall be included in all copies or substantial portions of the
13 * Software.
14 *
15 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
16 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
17 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
18 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
19 * HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
20 * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
21 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
22 * DEALINGS IN THE SOFTWARE.
23 *
24 * Authors:
25 * Kristian Høgsberg <krh@bitplanet.net>
26 */
27
28 #include <stdint.h>
29 #include <stdlib.h>
30 #include <stdio.h>
31 #include <string.h>
32 #include <xf86drm.h>
33 #include <dlfcn.h>
34 #include <sys/types.h>
35 #include <sys/stat.h>
36 #include <fcntl.h>
37 #include <unistd.h>
38
39 #include "egl_dri2.h"
40 #include "egl_dri2_fallbacks.h"
41 #include "loader.h"
42
43 static struct gbm_bo *
44 lock_front_buffer(struct gbm_surface *_surf)
45 {
46 struct gbm_dri_surface *surf = (struct gbm_dri_surface *) _surf;
47 struct dri2_egl_surface *dri2_surf = surf->dri_private;
48 struct gbm_dri_device *device = (struct gbm_dri_device *) _surf->gbm;
49 struct gbm_bo *bo;
50
51 if (dri2_surf->current == NULL) {
52 _eglError(EGL_BAD_SURFACE, "no front buffer");
53 return NULL;
54 }
55
56 bo = dri2_surf->current->bo;
57
58 if (device->dri2) {
59 dri2_surf->current->locked = 1;
60 dri2_surf->current = NULL;
61 }
62
63 return bo;
64 }
65
66 static void
67 release_buffer(struct gbm_surface *_surf, struct gbm_bo *bo)
68 {
69 struct gbm_dri_surface *surf = (struct gbm_dri_surface *) _surf;
70 struct dri2_egl_surface *dri2_surf = surf->dri_private;
71 unsigned i;
72
73 for (i = 0; i < ARRAY_SIZE(dri2_surf->color_buffers); i++) {
74 if (dri2_surf->color_buffers[i].bo == bo) {
75 dri2_surf->color_buffers[i].locked = 0;
76 }
77 }
78 }
79
80 static int
81 has_free_buffers(struct gbm_surface *_surf)
82 {
83 struct gbm_dri_surface *surf = (struct gbm_dri_surface *) _surf;
84 struct dri2_egl_surface *dri2_surf = surf->dri_private;
85 unsigned i;
86
87 for (i = 0; i < ARRAY_SIZE(dri2_surf->color_buffers); i++)
88 if (!dri2_surf->color_buffers[i].locked)
89 return 1;
90
91 return 0;
92 }
93
94 static _EGLSurface *
95 dri2_drm_create_surface(_EGLDriver *drv, _EGLDisplay *disp, EGLint type,
96 _EGLConfig *conf, void *native_window,
97 const EGLint *attrib_list)
98 {
99 struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
100 struct dri2_egl_config *dri2_conf = dri2_egl_config(conf);
101 struct dri2_egl_surface *dri2_surf;
102 struct gbm_surface *window = native_window;
103 struct gbm_dri_surface *surf;
104
105 (void) drv;
106
107 dri2_surf = calloc(1, sizeof *dri2_surf);
108 if (!dri2_surf) {
109 _eglError(EGL_BAD_ALLOC, "dri2_create_surface");
110 return NULL;
111 }
112
113 if (!_eglInitSurface(&dri2_surf->base, disp, type, conf, attrib_list))
114 goto cleanup_surf;
115
116 switch (type) {
117 case EGL_WINDOW_BIT:
118 if (!window) {
119 _eglError(EGL_BAD_NATIVE_WINDOW, "dri2_create_surface");
120 goto cleanup_surf;
121 }
122
123 surf = gbm_dri_surface(window);
124 dri2_surf->gbm_surf = surf;
125 dri2_surf->base.Width = surf->base.width;
126 dri2_surf->base.Height = surf->base.height;
127 surf->dri_private = dri2_surf;
128 break;
129 default:
130 goto cleanup_surf;
131 }
132
133 if (dri2_dpy->dri2) {
134 const __DRIconfig *config =
135 dri2_get_dri_config(dri2_conf, EGL_WINDOW_BIT,
136 dri2_surf->base.GLColorspace);
137
138 dri2_surf->dri_drawable =
139 (*dri2_dpy->dri2->createNewDrawable)(dri2_dpy->dri_screen, config,
140 dri2_surf->gbm_surf);
141
142 } else {
143 assert(dri2_dpy->swrast != NULL);
144 dri2_surf->dri_drawable =
145 (*dri2_dpy->swrast->createNewDrawable) (dri2_dpy->dri_screen,
146 dri2_conf->dri_double_config,
147 dri2_surf->gbm_surf);
148
149 }
150 if (dri2_surf->dri_drawable == NULL) {
151 _eglError(EGL_BAD_ALLOC, "createNewDrawable()");
152 goto cleanup_surf;
153 }
154
155 return &dri2_surf->base;
156
157 cleanup_surf:
158 free(dri2_surf);
159
160 return NULL;
161 }
162
163 static _EGLSurface *
164 dri2_drm_create_window_surface(_EGLDriver *drv, _EGLDisplay *disp,
165 _EGLConfig *conf, void *native_window,
166 const EGLint *attrib_list)
167 {
168 return dri2_drm_create_surface(drv, disp, EGL_WINDOW_BIT, conf,
169 native_window, attrib_list);
170 }
171
172 static _EGLSurface *
173 dri2_drm_create_pixmap_surface(_EGLDriver *drv, _EGLDisplay *disp,
174 _EGLConfig *conf, void *native_window,
175 const EGLint *attrib_list)
176 {
177 /* From the EGL_MESA_platform_gbm spec, version 5:
178 *
179 * It is not valid to call eglCreatePlatformPixmapSurfaceEXT with a <dpy>
180 * that belongs to the GBM platform. Any such call fails and generates
181 * EGL_BAD_PARAMETER.
182 */
183 _eglError(EGL_BAD_PARAMETER, "cannot create EGL pixmap surfaces on GBM");
184 return NULL;
185 }
186
187 static EGLBoolean
188 dri2_drm_destroy_surface(_EGLDriver *drv, _EGLDisplay *disp, _EGLSurface *surf)
189 {
190 struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
191 struct dri2_egl_surface *dri2_surf = dri2_egl_surface(surf);
192 unsigned i;
193
194 if (!_eglPutSurface(surf))
195 return EGL_TRUE;
196
197 (*dri2_dpy->core->destroyDrawable)(dri2_surf->dri_drawable);
198
199 for (i = 0; i < ARRAY_SIZE(dri2_surf->color_buffers); i++) {
200 if (dri2_surf->color_buffers[i].bo)
201 gbm_bo_destroy(dri2_surf->color_buffers[i].bo);
202 }
203
204 for (i = 0; i < __DRI_BUFFER_COUNT; i++) {
205 if (dri2_surf->dri_buffers[i])
206 dri2_dpy->dri2->releaseBuffer(dri2_dpy->dri_screen,
207 dri2_surf->dri_buffers[i]);
208 }
209
210 free(surf);
211
212 return EGL_TRUE;
213 }
214
215 static int
216 get_back_bo(struct dri2_egl_surface *dri2_surf)
217 {
218 struct dri2_egl_display *dri2_dpy =
219 dri2_egl_display(dri2_surf->base.Resource.Display);
220 struct gbm_dri_surface *surf = dri2_surf->gbm_surf;
221 unsigned i;
222
223 if (dri2_surf->back == NULL) {
224 for (i = 0; i < ARRAY_SIZE(dri2_surf->color_buffers); i++) {
225 if (!dri2_surf->color_buffers[i].locked) {
226 dri2_surf->back = &dri2_surf->color_buffers[i];
227 break;
228 }
229 }
230 }
231
232 if (dri2_surf->back == NULL)
233 return -1;
234 if (dri2_surf->back->bo == NULL)
235 dri2_surf->back->bo = gbm_bo_create(&dri2_dpy->gbm_dri->base.base,
236 surf->base.width, surf->base.height,
237 surf->base.format, surf->base.flags);
238 if (dri2_surf->back->bo == NULL)
239 return -1;
240
241 return 0;
242 }
243
244 static int
245 get_swrast_front_bo(struct dri2_egl_surface *dri2_surf)
246 {
247 struct dri2_egl_display *dri2_dpy =
248 dri2_egl_display(dri2_surf->base.Resource.Display);
249 struct gbm_dri_surface *surf = dri2_surf->gbm_surf;
250
251 if (dri2_surf->current == NULL) {
252 assert(!dri2_surf->color_buffers[0].locked);
253 dri2_surf->current = &dri2_surf->color_buffers[0];
254 }
255
256 if (dri2_surf->current->bo == NULL)
257 dri2_surf->current->bo = gbm_bo_create(&dri2_dpy->gbm_dri->base.base,
258 surf->base.width, surf->base.height,
259 surf->base.format, surf->base.flags);
260 if (dri2_surf->current->bo == NULL)
261 return -1;
262
263 return 0;
264 }
265
266 static void
267 back_bo_to_dri_buffer(struct dri2_egl_surface *dri2_surf, __DRIbuffer *buffer)
268 {
269 struct dri2_egl_display *dri2_dpy =
270 dri2_egl_display(dri2_surf->base.Resource.Display);
271 struct gbm_dri_bo *bo;
272 int name, pitch;
273
274 bo = (struct gbm_dri_bo *) dri2_surf->back->bo;
275
276 dri2_dpy->image->queryImage(bo->image, __DRI_IMAGE_ATTRIB_NAME, &name);
277 dri2_dpy->image->queryImage(bo->image, __DRI_IMAGE_ATTRIB_STRIDE, &pitch);
278
279 buffer->attachment = __DRI_BUFFER_BACK_LEFT;
280 buffer->name = name;
281 buffer->pitch = pitch;
282 buffer->cpp = 4;
283 buffer->flags = 0;
284 }
285
286 static int
287 get_aux_bo(struct dri2_egl_surface *dri2_surf,
288 unsigned int attachment, unsigned int format, __DRIbuffer *buffer)
289 {
290 struct dri2_egl_display *dri2_dpy =
291 dri2_egl_display(dri2_surf->base.Resource.Display);
292 __DRIbuffer *b = dri2_surf->dri_buffers[attachment];
293
294 if (b == NULL) {
295 b = dri2_dpy->dri2->allocateBuffer(dri2_dpy->dri_screen,
296 attachment, format,
297 dri2_surf->base.Width,
298 dri2_surf->base.Height);
299 dri2_surf->dri_buffers[attachment] = b;
300 }
301 if (b == NULL)
302 return -1;
303
304 memcpy(buffer, b, sizeof *buffer);
305
306 return 0;
307 }
308
309 static __DRIbuffer *
310 dri2_drm_get_buffers_with_format(__DRIdrawable *driDrawable,
311 int *width, int *height,
312 unsigned int *attachments, int count,
313 int *out_count, void *loaderPrivate)
314 {
315 struct dri2_egl_surface *dri2_surf = loaderPrivate;
316 int i, j;
317
318 dri2_surf->buffer_count = 0;
319 for (i = 0, j = 0; i < 2 * count; i += 2, j++) {
320 assert(attachments[i] < __DRI_BUFFER_COUNT);
321 assert(dri2_surf->buffer_count < 5);
322
323 switch (attachments[i]) {
324 case __DRI_BUFFER_BACK_LEFT:
325 if (get_back_bo(dri2_surf) < 0) {
326 _eglError(EGL_BAD_ALLOC, "failed to allocate color buffer");
327 return NULL;
328 }
329 back_bo_to_dri_buffer(dri2_surf, &dri2_surf->buffers[j]);
330 break;
331 default:
332 if (get_aux_bo(dri2_surf, attachments[i], attachments[i + 1],
333 &dri2_surf->buffers[j]) < 0) {
334 _eglError(EGL_BAD_ALLOC, "failed to allocate aux buffer");
335 return NULL;
336 }
337 break;
338 }
339 }
340
341 *out_count = j;
342 if (j == 0)
343 return NULL;
344
345 *width = dri2_surf->base.Width;
346 *height = dri2_surf->base.Height;
347
348 return dri2_surf->buffers;
349 }
350
351 static __DRIbuffer *
352 dri2_drm_get_buffers(__DRIdrawable * driDrawable,
353 int *width, int *height,
354 unsigned int *attachments, int count,
355 int *out_count, void *loaderPrivate)
356 {
357 unsigned int *attachments_with_format;
358 __DRIbuffer *buffer;
359 const unsigned int format = 32;
360 int i;
361
362 attachments_with_format = calloc(count, 2 * sizeof(unsigned int));
363 if (!attachments_with_format) {
364 *out_count = 0;
365 return NULL;
366 }
367
368 for (i = 0; i < count; ++i) {
369 attachments_with_format[2*i] = attachments[i];
370 attachments_with_format[2*i + 1] = format;
371 }
372
373 buffer =
374 dri2_drm_get_buffers_with_format(driDrawable,
375 width, height,
376 attachments_with_format, count,
377 out_count, loaderPrivate);
378
379 free(attachments_with_format);
380
381 return buffer;
382 }
383
384 static int
385 dri2_drm_image_get_buffers(__DRIdrawable *driDrawable,
386 unsigned int format,
387 uint32_t *stamp,
388 void *loaderPrivate,
389 uint32_t buffer_mask,
390 struct __DRIimageList *buffers)
391 {
392 struct dri2_egl_surface *dri2_surf = loaderPrivate;
393 struct gbm_dri_bo *bo;
394
395 if (get_back_bo(dri2_surf) < 0)
396 return 0;
397
398 bo = (struct gbm_dri_bo *) dri2_surf->back->bo;
399 buffers->image_mask = __DRI_IMAGE_BUFFER_BACK;
400 buffers->back = bo->image;
401
402 return 1;
403 }
404
405 static void
406 dri2_drm_flush_front_buffer(__DRIdrawable * driDrawable, void *loaderPrivate)
407 {
408 (void) driDrawable;
409 (void) loaderPrivate;
410 }
411
412 static EGLBoolean
413 dri2_drm_swap_buffers(_EGLDriver *drv, _EGLDisplay *disp, _EGLSurface *draw)
414 {
415 struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
416 struct dri2_egl_surface *dri2_surf = dri2_egl_surface(draw);
417 unsigned i;
418
419 if (dri2_dpy->swrast) {
420 (*dri2_dpy->core->swapBuffers)(dri2_surf->dri_drawable);
421 } else {
422 if (dri2_surf->base.Type == EGL_WINDOW_BIT) {
423 if (dri2_surf->current)
424 _eglError(EGL_BAD_SURFACE, "dri2_swap_buffers");
425 for (i = 0; i < ARRAY_SIZE(dri2_surf->color_buffers); i++)
426 if (dri2_surf->color_buffers[i].age > 0)
427 dri2_surf->color_buffers[i].age++;
428
429 /* Make sure we have a back buffer in case we're swapping without
430 * ever rendering. */
431 if (get_back_bo(dri2_surf) < 0) {
432 _eglError(EGL_BAD_ALLOC, "dri2_swap_buffers");
433 return EGL_FALSE;
434 }
435
436 dri2_surf->current = dri2_surf->back;
437 dri2_surf->current->age = 1;
438 dri2_surf->back = NULL;
439 }
440
441 dri2_flush_drawable_for_swapbuffers(disp, draw);
442 (*dri2_dpy->flush->invalidate)(dri2_surf->dri_drawable);
443 }
444
445 return EGL_TRUE;
446 }
447
448 static EGLint
449 dri2_drm_query_buffer_age(_EGLDriver *drv,
450 _EGLDisplay *disp, _EGLSurface *surface)
451 {
452 struct dri2_egl_surface *dri2_surf = dri2_egl_surface(surface);
453
454 if (get_back_bo(dri2_surf) < 0) {
455 _eglError(EGL_BAD_ALLOC, "dri2_query_buffer_age");
456 return 0;
457 }
458
459 return dri2_surf->back->age;
460 }
461
462 static _EGLImage *
463 dri2_drm_create_image_khr_pixmap(_EGLDisplay *disp, _EGLContext *ctx,
464 EGLClientBuffer buffer, const EGLint *attr_list)
465 {
466 struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
467 struct gbm_dri_bo *dri_bo = gbm_dri_bo((struct gbm_bo *) buffer);
468 struct dri2_egl_image *dri2_img;
469
470 dri2_img = malloc(sizeof *dri2_img);
471 if (!dri2_img) {
472 _eglError(EGL_BAD_ALLOC, "dri2_create_image_khr_pixmap");
473 return NULL;
474 }
475
476 if (!_eglInitImage(&dri2_img->base, disp)) {
477 free(dri2_img);
478 return NULL;
479 }
480
481 dri2_img->dri_image = dri2_dpy->image->dupImage(dri_bo->image, dri2_img);
482 if (dri2_img->dri_image == NULL) {
483 free(dri2_img);
484 _eglError(EGL_BAD_ALLOC, "dri2_create_image_khr_pixmap");
485 return NULL;
486 }
487
488 return &dri2_img->base;
489 }
490
491 static _EGLImage *
492 dri2_drm_create_image_khr(_EGLDriver *drv, _EGLDisplay *disp,
493 _EGLContext *ctx, EGLenum target,
494 EGLClientBuffer buffer, const EGLint *attr_list)
495 {
496 (void) drv;
497
498 switch (target) {
499 case EGL_NATIVE_PIXMAP_KHR:
500 return dri2_drm_create_image_khr_pixmap(disp, ctx, buffer, attr_list);
501 default:
502 return dri2_create_image_khr(drv, disp, ctx, target, buffer, attr_list);
503 }
504 }
505
506 static int
507 dri2_drm_authenticate(_EGLDisplay *disp, uint32_t id)
508 {
509 struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
510
511 return drmAuthMagic(dri2_dpy->fd, id);
512 }
513
514 static void
515 swrast_put_image2(__DRIdrawable *driDrawable,
516 int op,
517 int x,
518 int y,
519 int width,
520 int height,
521 int stride,
522 char *data,
523 void *loaderPrivate)
524 {
525 struct dri2_egl_surface *dri2_surf = loaderPrivate;
526 int internal_stride, i;
527 struct gbm_dri_bo *bo;
528
529 if (op != __DRI_SWRAST_IMAGE_OP_DRAW &&
530 op != __DRI_SWRAST_IMAGE_OP_SWAP)
531 return;
532
533 if (get_swrast_front_bo(dri2_surf) < 0)
534 return;
535
536 bo = gbm_dri_bo(dri2_surf->current->bo);
537 if (gbm_dri_bo_map(bo) == NULL)
538 return;
539
540 internal_stride = bo->base.base.stride;
541
542 for (i = 0; i < height; i++) {
543 memcpy(bo->map + (x + i) * internal_stride + y,
544 data + i * stride, stride);
545 }
546
547 gbm_dri_bo_unmap(bo);
548 }
549
550 static void
551 swrast_get_image(__DRIdrawable *driDrawable,
552 int x,
553 int y,
554 int width,
555 int height,
556 char *data,
557 void *loaderPrivate)
558 {
559 struct dri2_egl_surface *dri2_surf = loaderPrivate;
560 int internal_stride, stride, i;
561 struct gbm_dri_bo *bo;
562
563 if (get_swrast_front_bo(dri2_surf) < 0)
564 return;
565
566 bo = gbm_dri_bo(dri2_surf->current->bo);
567 if (gbm_dri_bo_map(bo) == NULL)
568 return;
569
570 internal_stride = bo->base.base.stride;
571 stride = width * 4;
572
573 for (i = 0; i < height; i++) {
574 memcpy(data + i * stride,
575 bo->map + (x + i) * internal_stride + y, stride);
576 }
577
578 gbm_dri_bo_unmap(bo);
579 }
580
581 static struct dri2_egl_display_vtbl dri2_drm_display_vtbl = {
582 .authenticate = dri2_drm_authenticate,
583 .create_window_surface = dri2_drm_create_window_surface,
584 .create_pixmap_surface = dri2_drm_create_pixmap_surface,
585 .create_pbuffer_surface = dri2_fallback_create_pbuffer_surface,
586 .destroy_surface = dri2_drm_destroy_surface,
587 .create_image = dri2_drm_create_image_khr,
588 .swap_interval = dri2_fallback_swap_interval,
589 .swap_buffers = dri2_drm_swap_buffers,
590 .swap_buffers_with_damage = dri2_fallback_swap_buffers_with_damage,
591 .swap_buffers_region = dri2_fallback_swap_buffers_region,
592 .post_sub_buffer = dri2_fallback_post_sub_buffer,
593 .copy_buffers = dri2_fallback_copy_buffers,
594 .query_buffer_age = dri2_drm_query_buffer_age,
595 .create_wayland_buffer_from_image = dri2_fallback_create_wayland_buffer_from_image,
596 .get_sync_values = dri2_fallback_get_sync_values,
597 };
598
599 EGLBoolean
600 dri2_initialize_drm(_EGLDriver *drv, _EGLDisplay *disp)
601 {
602 struct dri2_egl_display *dri2_dpy;
603 struct gbm_device *gbm;
604 int fd = -1;
605 int i;
606
607 loader_set_logger(_eglLog);
608
609 dri2_dpy = calloc(1, sizeof *dri2_dpy);
610 if (!dri2_dpy)
611 return _eglError(EGL_BAD_ALLOC, "eglInitialize");
612
613 disp->DriverData = (void *) dri2_dpy;
614
615 gbm = disp->PlatformDisplay;
616 if (gbm == NULL) {
617 char buf[64];
618 int n = snprintf(buf, sizeof(buf), DRM_DEV_NAME, DRM_DIR_NAME, 0);
619 if (n != -1 && n < sizeof(buf))
620 fd = loader_open_device(buf);
621 if (fd < 0)
622 fd = loader_open_device("/dev/dri/card0");
623 dri2_dpy->own_device = 1;
624 gbm = gbm_create_device(fd);
625 if (gbm == NULL)
626 goto cleanup;
627 }
628
629 if (strcmp(gbm_device_get_backend_name(gbm), "drm") != 0)
630 goto cleanup;
631
632 dri2_dpy->gbm_dri = gbm_dri_device(gbm);
633 if (dri2_dpy->gbm_dri->base.type != GBM_DRM_DRIVER_TYPE_DRI)
634 goto cleanup;
635
636 if (fd < 0) {
637 fd = fcntl(gbm_device_get_fd(gbm), F_DUPFD_CLOEXEC, 3);
638 if (fd < 0)
639 goto cleanup;
640 }
641
642 dri2_dpy->fd = fd;
643 dri2_dpy->device_name = loader_get_device_name_for_fd(dri2_dpy->fd);
644 dri2_dpy->driver_name = strdup(dri2_dpy->gbm_dri->base.driver_name);
645
646 dri2_dpy->dri_screen = dri2_dpy->gbm_dri->screen;
647 dri2_dpy->core = dri2_dpy->gbm_dri->core;
648 dri2_dpy->dri2 = dri2_dpy->gbm_dri->dri2;
649 dri2_dpy->image = dri2_dpy->gbm_dri->image;
650 dri2_dpy->flush = dri2_dpy->gbm_dri->flush;
651 dri2_dpy->swrast = dri2_dpy->gbm_dri->swrast;
652 dri2_dpy->driver_configs = dri2_dpy->gbm_dri->driver_configs;
653
654 dri2_dpy->gbm_dri->lookup_image = dri2_lookup_egl_image;
655 dri2_dpy->gbm_dri->lookup_user_data = disp;
656
657 dri2_dpy->gbm_dri->get_buffers = dri2_drm_get_buffers;
658 dri2_dpy->gbm_dri->flush_front_buffer = dri2_drm_flush_front_buffer;
659 dri2_dpy->gbm_dri->get_buffers_with_format = dri2_drm_get_buffers_with_format;
660 dri2_dpy->gbm_dri->image_get_buffers = dri2_drm_image_get_buffers;
661 dri2_dpy->gbm_dri->swrast_put_image2 = swrast_put_image2;
662 dri2_dpy->gbm_dri->swrast_get_image = swrast_get_image;
663
664 dri2_dpy->gbm_dri->base.base.surface_lock_front_buffer = lock_front_buffer;
665 dri2_dpy->gbm_dri->base.base.surface_release_buffer = release_buffer;
666 dri2_dpy->gbm_dri->base.base.surface_has_free_buffers = has_free_buffers;
667
668 dri2_setup_screen(disp);
669
670 for (i = 0; dri2_dpy->driver_configs[i]; i++) {
671 EGLint format, attr_list[3];
672 unsigned int red, alpha;
673
674 dri2_dpy->core->getConfigAttrib(dri2_dpy->driver_configs[i],
675 __DRI_ATTRIB_RED_MASK, &red);
676 dri2_dpy->core->getConfigAttrib(dri2_dpy->driver_configs[i],
677 __DRI_ATTRIB_ALPHA_MASK, &alpha);
678 if (red == 0x3ff00000 && alpha == 0x00000000)
679 format = GBM_FORMAT_XRGB2101010;
680 else if (red == 0x3ff00000 && alpha == 0xc0000000)
681 format = GBM_FORMAT_ARGB2101010;
682 else if (red == 0x00ff0000 && alpha == 0x00000000)
683 format = GBM_FORMAT_XRGB8888;
684 else if (red == 0x00ff0000 && alpha == 0xff000000)
685 format = GBM_FORMAT_ARGB8888;
686 else if (red == 0xf800)
687 format = GBM_FORMAT_RGB565;
688 else
689 continue;
690
691 attr_list[0] = EGL_NATIVE_VISUAL_ID;
692 attr_list[1] = format;
693 attr_list[2] = EGL_NONE;
694
695 dri2_add_config(disp, dri2_dpy->driver_configs[i],
696 i + 1, EGL_WINDOW_BIT, attr_list, NULL);
697 }
698
699 disp->Extensions.KHR_image_pixmap = EGL_TRUE;
700 if (dri2_dpy->dri2)
701 disp->Extensions.EXT_buffer_age = EGL_TRUE;
702
703 #ifdef HAVE_WAYLAND_PLATFORM
704 if (dri2_dpy->image) {
705 if (dri2_dpy->image->base.version >= 10 &&
706 dri2_dpy->image->getCapabilities != NULL) {
707 int capabilities;
708
709 capabilities =
710 dri2_dpy->image->getCapabilities(dri2_dpy->dri_screen);
711 disp->Extensions.WL_bind_wayland_display =
712 (capabilities & __DRI_IMAGE_CAP_GLOBAL_NAMES) != 0;
713 } else
714 disp->Extensions.WL_bind_wayland_display = EGL_TRUE;
715 }
716 #endif
717
718 /* Fill vtbl last to prevent accidentally calling virtual function during
719 * initialization.
720 */
721 dri2_dpy->vtbl = &dri2_drm_display_vtbl;
722
723 return EGL_TRUE;
724
725 cleanup:
726 if (fd >= 0)
727 close(fd);
728
729 free(dri2_dpy);
730 return EGL_FALSE;
731 }