1 /*
2 * Mesa 3-D graphics library
3 *
4 * Copyright (C) 2010-2011 Chia-I Wu <olvaffe@gmail.com>
5 * Copyright (C) 2010-2011 LunarG Inc.
6 *
7 * Based on platform_x11, which has
8 *
9 * Copyright © 2011 Intel Corporation
10 *
11 * Permission is hereby granted, free of charge, to any person obtaining a
12 * copy of this software and associated documentation files (the "Software"),
13 * to deal in the Software without restriction, including without limitation
14 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
15 * and/or sell copies of the Software, and to permit persons to whom the
16 * Software is furnished to do so, subject to the following conditions:
17 *
18 * The above copyright notice and this permission notice shall be included
19 * in all copies or substantial portions of the Software.
20 *
21 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
22 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
23 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
24 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
25 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
26 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
27 * DEALINGS IN THE SOFTWARE.
28 */
29
30 #include <errno.h>
31 #include <dlfcn.h>
32 #include <fcntl.h>
33 #include <xf86drm.h>
34 #include <stdbool.h>
35 #include <sync/sync.h>
36
37 #include "loader.h"
38 #include "egl_dri2.h"
39 #include "egl_dri2_fallbacks.h"
40 #include "platform_android_gralloc_drm.h"
41
42 #define ALIGN(val, align) (((val) + (align) - 1) & ~((align) - 1))
43
44 struct droid_yuv_format {
45 /* Lookup keys */
46 int native; /* HAL_PIXEL_FORMAT_ */
47 int is_ycrcb; /* 0 if chroma order is {Cb, Cr}, 1 if {Cr, Cb} */
48 int chroma_step; /* Distance in bytes between subsequent chroma pixels. */
49
50 /* Result */
51 int fourcc; /* __DRI_IMAGE_FOURCC_ */
52 };
53
54 /* The following table is used to look up a DRI image FourCC based
55 * on native format and information contained in android_ycbcr struct. */
56 static const struct droid_yuv_format droid_yuv_formats[] = {
57 /* Native format, YCrCb, Chroma step, DRI image FourCC */
58 { HAL_PIXEL_FORMAT_YCbCr_420_888, 0, 2, __DRI_IMAGE_FOURCC_NV12 },
59 { HAL_PIXEL_FORMAT_YCbCr_420_888, 0, 1, __DRI_IMAGE_FOURCC_YUV420 },
60 { HAL_PIXEL_FORMAT_YCbCr_420_888, 1, 1, __DRI_IMAGE_FOURCC_YVU420 },
61 { HAL_PIXEL_FORMAT_YV12, 1, 1, __DRI_IMAGE_FOURCC_YVU420 },
62 };
63
64 static int
get_fourcc_yuv(int native,int is_ycrcb,int chroma_step)65 get_fourcc_yuv(int native, int is_ycrcb, int chroma_step)
66 {
67 int i;
68
69 for (i = 0; i < ARRAY_SIZE(droid_yuv_formats); ++i)
70 if (droid_yuv_formats[i].native == native &&
71 droid_yuv_formats[i].is_ycrcb == is_ycrcb &&
72 droid_yuv_formats[i].chroma_step == chroma_step)
73 return droid_yuv_formats[i].fourcc;
74
75 return -1;
76 }
77
78 static bool
is_yuv(int native)79 is_yuv(int native)
80 {
81 int i;
82
83 for (i = 0; i < ARRAY_SIZE(droid_yuv_formats); ++i)
84 if (droid_yuv_formats[i].native == native)
85 return true;
86
87 return false;
88 }
89
90 static int
get_format_bpp(int native)91 get_format_bpp(int native)
92 {
93 int bpp;
94
95 switch (native) {
96 case HAL_PIXEL_FORMAT_RGBA_8888:
97 case HAL_PIXEL_FORMAT_RGBX_8888:
98 case HAL_PIXEL_FORMAT_BGRA_8888:
99 bpp = 4;
100 break;
101 case HAL_PIXEL_FORMAT_RGB_565:
102 bpp = 2;
103 break;
104 default:
105 bpp = 0;
106 break;
107 }
108
109 return bpp;
110 }
111
112 /* createImageFromFds requires fourcc format */
get_fourcc(int native)113 static int get_fourcc(int native)
114 {
115 switch (native) {
116 case HAL_PIXEL_FORMAT_RGB_565: return __DRI_IMAGE_FOURCC_RGB565;
117 case HAL_PIXEL_FORMAT_BGRA_8888: return __DRI_IMAGE_FOURCC_ARGB8888;
118 case HAL_PIXEL_FORMAT_RGBA_8888: return __DRI_IMAGE_FOURCC_ABGR8888;
119 case HAL_PIXEL_FORMAT_RGBX_8888: return __DRI_IMAGE_FOURCC_XBGR8888;
120 default:
121 _eglLog(_EGL_WARNING, "unsupported native buffer format 0x%x", native);
122 }
123 return -1;
124 }
125
get_format(int format)126 static int get_format(int format)
127 {
128 switch (format) {
129 case HAL_PIXEL_FORMAT_BGRA_8888: return __DRI_IMAGE_FORMAT_ARGB8888;
130 case HAL_PIXEL_FORMAT_RGB_565: return __DRI_IMAGE_FORMAT_RGB565;
131 case HAL_PIXEL_FORMAT_RGBA_8888: return __DRI_IMAGE_FORMAT_ABGR8888;
132 case HAL_PIXEL_FORMAT_RGBX_8888: return __DRI_IMAGE_FORMAT_XBGR8888;
133 default:
134 _eglLog(_EGL_WARNING, "unsupported native buffer format 0x%x", format);
135 }
136 return -1;
137 }
138
139 static int
get_native_buffer_fd(struct ANativeWindowBuffer * buf)140 get_native_buffer_fd(struct ANativeWindowBuffer *buf)
141 {
142 native_handle_t *handle = (native_handle_t *)buf->handle;
143 /*
144 * Various gralloc implementations exist, but the dma-buf fd tends
145 * to be first. Access it directly to avoid a dependency on specific
146 * gralloc versions.
147 */
148 return (handle && handle->numFds) ? handle->data[0] : -1;
149 }
150
151 static int
get_native_buffer_name(struct ANativeWindowBuffer * buf)152 get_native_buffer_name(struct ANativeWindowBuffer *buf)
153 {
154 return gralloc_drm_get_gem_handle(buf->handle);
155 }
156
157 static EGLBoolean
droid_window_dequeue_buffer(struct dri2_egl_surface * dri2_surf)158 droid_window_dequeue_buffer(struct dri2_egl_surface *dri2_surf)
159 {
160 int fence_fd;
161
162 if (dri2_surf->window->dequeueBuffer(dri2_surf->window, &dri2_surf->buffer,
163 &fence_fd))
164 return EGL_FALSE;
165
166 /* If access to the buffer is controlled by a sync fence, then block on the
167 * fence.
168 *
169 * It may be more performant to postpone blocking until there is an
170 * immediate need to write to the buffer. But doing so would require adding
171 * hooks to the DRI2 loader.
172 *
173 * From the ANativeWindow::dequeueBuffer documentation:
174 *
175 * The libsync fence file descriptor returned in the int pointed to by
176 * the fenceFd argument will refer to the fence that must signal
177 * before the dequeued buffer may be written to. A value of -1
178 * indicates that the caller may access the buffer immediately without
179 * waiting on a fence. If a valid file descriptor is returned (i.e.
180 * any value except -1) then the caller is responsible for closing the
181 * file descriptor.
182 */
183 if (fence_fd >= 0) {
184 /* From the SYNC_IOC_WAIT documentation in <linux/sync.h>:
185 *
186 * Waits indefinitely if timeout < 0.
187 */
188 int timeout = -1;
189 sync_wait(fence_fd, timeout);
190 close(fence_fd);
191 }
192
193 dri2_surf->buffer->common.incRef(&dri2_surf->buffer->common);
194
195 return EGL_TRUE;
196 }
197
198 static EGLBoolean
droid_window_enqueue_buffer(_EGLDisplay * disp,struct dri2_egl_surface * dri2_surf)199 droid_window_enqueue_buffer(_EGLDisplay *disp, struct dri2_egl_surface *dri2_surf)
200 {
201 struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
202
203 /* To avoid blocking other EGL calls, release the display mutex before
204 * we enter droid_window_enqueue_buffer() and re-acquire the mutex upon
205 * return.
206 */
207 mtx_unlock(&disp->Mutex);
208
209 /* Queue the buffer without a sync fence. This informs the ANativeWindow
210 * that it may access the buffer immediately.
211 *
212 * From ANativeWindow::dequeueBuffer:
213 *
214 * The fenceFd argument specifies a libsync fence file descriptor for
215 * a fence that must signal before the buffer can be accessed. If
216 * the buffer can be accessed immediately then a value of -1 should
217 * be used. The caller must not use the file descriptor after it
218 * is passed to queueBuffer, and the ANativeWindow implementation
219 * is responsible for closing it.
220 */
221 int fence_fd = -1;
222 dri2_surf->window->queueBuffer(dri2_surf->window, dri2_surf->buffer,
223 fence_fd);
224
225 dri2_surf->buffer->common.decRef(&dri2_surf->buffer->common);
226 dri2_surf->buffer = NULL;
227
228 mtx_lock(&disp->Mutex);
229
230 if (dri2_surf->dri_image_back) {
231 dri2_dpy->image->destroyImage(dri2_surf->dri_image_back);
232 dri2_surf->dri_image_back = NULL;
233 }
234
235 return EGL_TRUE;
236 }
237
238 static void
droid_window_cancel_buffer(_EGLDisplay * disp,struct dri2_egl_surface * dri2_surf)239 droid_window_cancel_buffer(_EGLDisplay *disp, struct dri2_egl_surface *dri2_surf)
240 {
241 /* no cancel buffer? */
242 droid_window_enqueue_buffer(disp, dri2_surf);
243 }
244
245 static __DRIbuffer *
droid_alloc_local_buffer(struct dri2_egl_surface * dri2_surf,unsigned int att,unsigned int format)246 droid_alloc_local_buffer(struct dri2_egl_surface *dri2_surf,
247 unsigned int att, unsigned int format)
248 {
249 struct dri2_egl_display *dri2_dpy =
250 dri2_egl_display(dri2_surf->base.Resource.Display);
251
252 if (att >= ARRAY_SIZE(dri2_surf->local_buffers))
253 return NULL;
254
255 if (!dri2_surf->local_buffers[att]) {
256 dri2_surf->local_buffers[att] =
257 dri2_dpy->dri2->allocateBuffer(dri2_dpy->dri_screen, att, format,
258 dri2_surf->base.Width, dri2_surf->base.Height);
259 }
260
261 return dri2_surf->local_buffers[att];
262 }
263
264 static void
droid_free_local_buffers(struct dri2_egl_surface * dri2_surf)265 droid_free_local_buffers(struct dri2_egl_surface *dri2_surf)
266 {
267 struct dri2_egl_display *dri2_dpy =
268 dri2_egl_display(dri2_surf->base.Resource.Display);
269 int i;
270
271 for (i = 0; i < ARRAY_SIZE(dri2_surf->local_buffers); i++) {
272 if (dri2_surf->local_buffers[i]) {
273 dri2_dpy->dri2->releaseBuffer(dri2_dpy->dri_screen,
274 dri2_surf->local_buffers[i]);
275 dri2_surf->local_buffers[i] = NULL;
276 }
277 }
278 }
279
280 static _EGLSurface *
droid_create_surface(_EGLDriver * drv,_EGLDisplay * disp,EGLint type,_EGLConfig * conf,void * native_window,const EGLint * attrib_list)281 droid_create_surface(_EGLDriver *drv, _EGLDisplay *disp, EGLint type,
282 _EGLConfig *conf, void *native_window,
283 const EGLint *attrib_list)
284 {
285 struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
286 struct dri2_egl_config *dri2_conf = dri2_egl_config(conf);
287 struct dri2_egl_surface *dri2_surf;
288 struct ANativeWindow *window = native_window;
289 const __DRIconfig *config;
290
291 dri2_surf = calloc(1, sizeof *dri2_surf);
292 if (!dri2_surf) {
293 _eglError(EGL_BAD_ALLOC, "droid_create_surface");
294 return NULL;
295 }
296
297 if (!_eglInitSurface(&dri2_surf->base, disp, type, conf, attrib_list))
298 goto cleanup_surface;
299
300 if (type == EGL_WINDOW_BIT) {
301 int format;
302
303 if (!window || window->common.magic != ANDROID_NATIVE_WINDOW_MAGIC) {
304 _eglError(EGL_BAD_NATIVE_WINDOW, "droid_create_surface");
305 goto cleanup_surface;
306 }
307 if (window->query(window, NATIVE_WINDOW_FORMAT, &format)) {
308 _eglError(EGL_BAD_NATIVE_WINDOW, "droid_create_surface");
309 goto cleanup_surface;
310 }
311
312 if (format != dri2_conf->base.NativeVisualID) {
313 _eglLog(_EGL_WARNING, "Native format mismatch: 0x%x != 0x%x",
314 format, dri2_conf->base.NativeVisualID);
315 }
316
317 window->query(window, NATIVE_WINDOW_WIDTH, &dri2_surf->base.Width);
318 window->query(window, NATIVE_WINDOW_HEIGHT, &dri2_surf->base.Height);
319 }
320
321 config = dri2_get_dri_config(dri2_conf, type,
322 dri2_surf->base.GLColorspace);
323 if (!config)
324 goto cleanup_surface;
325
326 dri2_surf->dri_drawable =
327 dri2_dpy->dri2->createNewDrawable(dri2_dpy->dri_screen, config,
328 dri2_surf);
329 if (dri2_surf->dri_drawable == NULL) {
330 _eglError(EGL_BAD_ALLOC, "dri2->createNewDrawable");
331 goto cleanup_surface;
332 }
333
334 if (window) {
335 window->common.incRef(&window->common);
336 dri2_surf->window = window;
337 }
338
339 return &dri2_surf->base;
340
341 cleanup_surface:
342 free(dri2_surf);
343
344 return NULL;
345 }
346
347 static _EGLSurface *
droid_create_window_surface(_EGLDriver * drv,_EGLDisplay * disp,_EGLConfig * conf,void * native_window,const EGLint * attrib_list)348 droid_create_window_surface(_EGLDriver *drv, _EGLDisplay *disp,
349 _EGLConfig *conf, void *native_window,
350 const EGLint *attrib_list)
351 {
352 return droid_create_surface(drv, disp, EGL_WINDOW_BIT, conf,
353 native_window, attrib_list);
354 }
355
356 static _EGLSurface *
droid_create_pbuffer_surface(_EGLDriver * drv,_EGLDisplay * disp,_EGLConfig * conf,const EGLint * attrib_list)357 droid_create_pbuffer_surface(_EGLDriver *drv, _EGLDisplay *disp,
358 _EGLConfig *conf, const EGLint *attrib_list)
359 {
360 return droid_create_surface(drv, disp, EGL_PBUFFER_BIT, conf,
361 NULL, attrib_list);
362 }
363
364 static EGLBoolean
droid_destroy_surface(_EGLDriver * drv,_EGLDisplay * disp,_EGLSurface * surf)365 droid_destroy_surface(_EGLDriver *drv, _EGLDisplay *disp, _EGLSurface *surf)
366 {
367 struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
368 struct dri2_egl_surface *dri2_surf = dri2_egl_surface(surf);
369
370 droid_free_local_buffers(dri2_surf);
371
372 if (dri2_surf->base.Type == EGL_WINDOW_BIT) {
373 if (dri2_surf->buffer)
374 droid_window_cancel_buffer(disp, dri2_surf);
375
376 dri2_surf->window->common.decRef(&dri2_surf->window->common);
377 }
378
379 if (dri2_surf->dri_image_back) {
380 _eglLog(_EGL_DEBUG, "%s : %d : destroy dri_image_back", __func__, __LINE__);
381 dri2_dpy->image->destroyImage(dri2_surf->dri_image_back);
382 dri2_surf->dri_image_back = NULL;
383 }
384
385 if (dri2_surf->dri_image_front) {
386 _eglLog(_EGL_DEBUG, "%s : %d : destroy dri_image_front", __func__, __LINE__);
387 dri2_dpy->image->destroyImage(dri2_surf->dri_image_front);
388 dri2_surf->dri_image_front = NULL;
389 }
390
391 dri2_dpy->core->destroyDrawable(dri2_surf->dri_drawable);
392
393 free(dri2_surf);
394
395 return EGL_TRUE;
396 }
397
398 static int
update_buffers(struct dri2_egl_surface * dri2_surf)399 update_buffers(struct dri2_egl_surface *dri2_surf)
400 {
401 if (dri2_surf->base.Type != EGL_WINDOW_BIT)
402 return 0;
403
404 /* try to dequeue the next back buffer */
405 if (!dri2_surf->buffer && !droid_window_dequeue_buffer(dri2_surf)) {
406 _eglLog(_EGL_WARNING, "Could not dequeue buffer from native window");
407 return -1;
408 }
409
410 /* free outdated buffers and update the surface size */
411 if (dri2_surf->base.Width != dri2_surf->buffer->width ||
412 dri2_surf->base.Height != dri2_surf->buffer->height) {
413 droid_free_local_buffers(dri2_surf);
414 dri2_surf->base.Width = dri2_surf->buffer->width;
415 dri2_surf->base.Height = dri2_surf->buffer->height;
416 }
417
418 return 0;
419 }
420
421 static int
get_front_bo(struct dri2_egl_surface * dri2_surf,unsigned int format)422 get_front_bo(struct dri2_egl_surface *dri2_surf, unsigned int format)
423 {
424 struct dri2_egl_display *dri2_dpy =
425 dri2_egl_display(dri2_surf->base.Resource.Display);
426
427 if (dri2_surf->dri_image_front)
428 return 0;
429
430 if (dri2_surf->base.Type == EGL_WINDOW_BIT) {
431 /* According current EGL spec, front buffer rendering
432 * for window surface is not supported now.
433 * and mesa doesn't have the implementation of this case.
434 * Add warning message, but not treat it as error.
435 */
436 _eglLog(_EGL_DEBUG, "DRI driver requested unsupported front buffer for window surface");
437 } else if (dri2_surf->base.Type == EGL_PBUFFER_BIT) {
438 dri2_surf->dri_image_front =
439 dri2_dpy->image->createImage(dri2_dpy->dri_screen,
440 dri2_surf->base.Width,
441 dri2_surf->base.Height,
442 format,
443 0,
444 dri2_surf);
445 if (!dri2_surf->dri_image_front) {
446 _eglLog(_EGL_WARNING, "dri2_image_front allocation failed");
447 return -1;
448 }
449 }
450
451 return 0;
452 }
453
454 static int
get_back_bo(struct dri2_egl_surface * dri2_surf,unsigned int format)455 get_back_bo(struct dri2_egl_surface *dri2_surf, unsigned int format)
456 {
457 struct dri2_egl_display *dri2_dpy =
458 dri2_egl_display(dri2_surf->base.Resource.Display);
459 int fourcc, pitch;
460 int offset = 0, fd;
461
462 if (dri2_surf->dri_image_back)
463 return 0;
464
465 if (dri2_surf->base.Type == EGL_WINDOW_BIT) {
466 if (!dri2_surf->buffer) {
467 _eglLog(_EGL_WARNING, "Could not get native buffer");
468 return -1;
469 }
470
471 fd = get_native_buffer_fd(dri2_surf->buffer);
472 if (fd < 0) {
473 _eglLog(_EGL_WARNING, "Could not get native buffer FD");
474 return -1;
475 }
476
477 fourcc = get_fourcc(dri2_surf->buffer->format);
478
479 pitch = dri2_surf->buffer->stride *
480 get_format_bpp(dri2_surf->buffer->format);
481
482 if (fourcc == -1 || pitch == 0) {
483 _eglLog(_EGL_WARNING, "Invalid buffer fourcc(%x) or pitch(%d)",
484 fourcc, pitch);
485 return -1;
486 }
487
488 dri2_surf->dri_image_back =
489 dri2_dpy->image->createImageFromFds(dri2_dpy->dri_screen,
490 dri2_surf->base.Width,
491 dri2_surf->base.Height,
492 fourcc,
493 &fd,
494 1,
495 &pitch,
496 &offset,
497 dri2_surf);
498 if (!dri2_surf->dri_image_back) {
499 _eglLog(_EGL_WARNING, "failed to create DRI image from FD");
500 return -1;
501 }
502 } else if (dri2_surf->base.Type == EGL_PBUFFER_BIT) {
503 /* The EGL 1.5 spec states that pbuffers are single-buffered. Specifically,
504 * the spec states that they have a back buffer but no front buffer, in
505 * contrast to pixmaps, which have a front buffer but no back buffer.
506 *
507 * Single-buffered surfaces with no front buffer confuse Mesa; so we deviate
508 * from the spec, following the precedent of Mesa's EGL X11 platform. The
509 * X11 platform correctly assigns pbuffers to single-buffered configs, but
510 * assigns the pbuffer a front buffer instead of a back buffer.
511 *
512 * Pbuffers in the X11 platform mostly work today, so let's just copy its
513 * behavior instead of trying to fix (and hence potentially breaking) the
514 * world.
515 */
516 _eglLog(_EGL_DEBUG, "DRI driver requested unsupported back buffer for pbuffer surface");
517 }
518
519 return 0;
520 }
521
522 /* Some drivers will pass multiple bits in buffer_mask.
523 * For such case, will go through all the bits, and
524 * will not return error when unsupported buffer is requested, only
525 * return error when the allocation for supported buffer failed.
526 */
527 static int
droid_image_get_buffers(__DRIdrawable * driDrawable,unsigned int format,uint32_t * stamp,void * loaderPrivate,uint32_t buffer_mask,struct __DRIimageList * images)528 droid_image_get_buffers(__DRIdrawable *driDrawable,
529 unsigned int format,
530 uint32_t *stamp,
531 void *loaderPrivate,
532 uint32_t buffer_mask,
533 struct __DRIimageList *images)
534 {
535 struct dri2_egl_surface *dri2_surf = loaderPrivate;
536
537 images->image_mask = 0;
538 images->front = NULL;
539 images->back = NULL;
540
541 if (update_buffers(dri2_surf) < 0)
542 return 0;
543
544 if (buffer_mask & __DRI_IMAGE_BUFFER_FRONT) {
545 if (get_front_bo(dri2_surf, format) < 0)
546 return 0;
547
548 if (dri2_surf->dri_image_front) {
549 images->front = dri2_surf->dri_image_front;
550 images->image_mask |= __DRI_IMAGE_BUFFER_FRONT;
551 }
552 }
553
554 if (buffer_mask & __DRI_IMAGE_BUFFER_BACK) {
555 if (get_back_bo(dri2_surf, format) < 0)
556 return 0;
557
558 if (dri2_surf->dri_image_back) {
559 images->back = dri2_surf->dri_image_back;
560 images->image_mask |= __DRI_IMAGE_BUFFER_BACK;
561 }
562 }
563
564 return 1;
565 }
566
567 static EGLBoolean
droid_swap_buffers(_EGLDriver * drv,_EGLDisplay * disp,_EGLSurface * draw)568 droid_swap_buffers(_EGLDriver *drv, _EGLDisplay *disp, _EGLSurface *draw)
569 {
570 struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
571 struct dri2_egl_surface *dri2_surf = dri2_egl_surface(draw);
572
573 if (dri2_surf->base.Type != EGL_WINDOW_BIT)
574 return EGL_TRUE;
575
576 dri2_flush_drawable_for_swapbuffers(disp, draw);
577
578 if (dri2_surf->buffer)
579 droid_window_enqueue_buffer(disp, dri2_surf);
580
581 dri2_dpy->flush->invalidate(dri2_surf->dri_drawable);
582
583 return EGL_TRUE;
584 }
585
586 static _EGLImage *
droid_create_image_from_prime_fd_yuv(_EGLDisplay * disp,_EGLContext * ctx,struct ANativeWindowBuffer * buf,int fd)587 droid_create_image_from_prime_fd_yuv(_EGLDisplay *disp, _EGLContext *ctx,
588 struct ANativeWindowBuffer *buf, int fd)
589 {
590 struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
591 struct android_ycbcr ycbcr;
592 size_t offsets[3];
593 size_t pitches[3];
594 int is_ycrcb;
595 int fourcc;
596 int ret;
597
598 if (!dri2_dpy->gralloc->lock_ycbcr) {
599 _eglLog(_EGL_WARNING, "Gralloc does not support lock_ycbcr");
600 return NULL;
601 }
602
603 memset(&ycbcr, 0, sizeof(ycbcr));
604 ret = dri2_dpy->gralloc->lock_ycbcr(dri2_dpy->gralloc, buf->handle,
605 0, 0, 0, 0, 0, &ycbcr);
606 if (ret) {
607 _eglLog(_EGL_WARNING, "gralloc->lock_ycbcr failed: %d", ret);
608 return NULL;
609 }
610 dri2_dpy->gralloc->unlock(dri2_dpy->gralloc, buf->handle);
611
612 /* When lock_ycbcr's usage argument contains no SW_READ/WRITE flags
613 * it will return the .y/.cb/.cr pointers based on a NULL pointer,
614 * so they can be interpreted as offsets. */
615 offsets[0] = (size_t)ycbcr.y;
616 /* We assume here that all the planes are located in one DMA-buf. */
617 is_ycrcb = (size_t)ycbcr.cr < (size_t)ycbcr.cb;
618 if (is_ycrcb) {
619 offsets[1] = (size_t)ycbcr.cr;
620 offsets[2] = (size_t)ycbcr.cb;
621 } else {
622 offsets[1] = (size_t)ycbcr.cb;
623 offsets[2] = (size_t)ycbcr.cr;
624 }
625
626 /* .ystride is the line length (in bytes) of the Y plane,
627 * .cstride is the line length (in bytes) of any of the remaining
628 * Cb/Cr/CbCr planes, assumed to be the same for Cb and Cr for fully
629 * planar formats. */
630 pitches[0] = ycbcr.ystride;
631 pitches[1] = pitches[2] = ycbcr.cstride;
632
633 /* .chroma_step is the byte distance between the same chroma channel
634 * values of subsequent pixels, assumed to be the same for Cb and Cr. */
635 fourcc = get_fourcc_yuv(buf->format, is_ycrcb, ycbcr.chroma_step);
636 if (fourcc == -1) {
637 _eglLog(_EGL_WARNING, "unsupported YUV format, native = %x, is_ycrcb = %d, chroma_step = %d",
638 buf->format, is_ycrcb, ycbcr.chroma_step);
639 return NULL;
640 }
641
642 if (ycbcr.chroma_step == 2) {
643 /* Semi-planar Y + CbCr or Y + CbCr format. */
644 const EGLint attr_list_2plane[] = {
645 EGL_WIDTH, buf->width,
646 EGL_HEIGHT, buf->height,
647 EGL_LINUX_DRM_FOURCC_EXT, fourcc,
648 EGL_DMA_BUF_PLANE0_FD_EXT, fd,
649 EGL_DMA_BUF_PLANE0_PITCH_EXT, pitches[0],
650 EGL_DMA_BUF_PLANE0_OFFSET_EXT, offsets[0],
651 EGL_DMA_BUF_PLANE1_FD_EXT, fd,
652 EGL_DMA_BUF_PLANE1_PITCH_EXT, pitches[1],
653 EGL_DMA_BUF_PLANE1_OFFSET_EXT, offsets[1],
654 EGL_NONE, 0
655 };
656
657 return dri2_create_image_dma_buf(disp, ctx, NULL, attr_list_2plane);
658 } else {
659 /* Fully planar Y + Cb + Cr or Y + Cr + Cb format. */
660 const EGLint attr_list_3plane[] = {
661 EGL_WIDTH, buf->width,
662 EGL_HEIGHT, buf->height,
663 EGL_LINUX_DRM_FOURCC_EXT, fourcc,
664 EGL_DMA_BUF_PLANE0_FD_EXT, fd,
665 EGL_DMA_BUF_PLANE0_PITCH_EXT, pitches[0],
666 EGL_DMA_BUF_PLANE0_OFFSET_EXT, offsets[0],
667 EGL_DMA_BUF_PLANE1_FD_EXT, fd,
668 EGL_DMA_BUF_PLANE1_PITCH_EXT, pitches[1],
669 EGL_DMA_BUF_PLANE1_OFFSET_EXT, offsets[1],
670 EGL_DMA_BUF_PLANE2_FD_EXT, fd,
671 EGL_DMA_BUF_PLANE2_PITCH_EXT, pitches[2],
672 EGL_DMA_BUF_PLANE2_OFFSET_EXT, offsets[2],
673 EGL_NONE, 0
674 };
675
676 return dri2_create_image_dma_buf(disp, ctx, NULL, attr_list_3plane);
677 }
678 }
679
680 static _EGLImage *
droid_create_image_from_prime_fd(_EGLDisplay * disp,_EGLContext * ctx,struct ANativeWindowBuffer * buf,int fd)681 droid_create_image_from_prime_fd(_EGLDisplay *disp, _EGLContext *ctx,
682 struct ANativeWindowBuffer *buf, int fd)
683 {
684 unsigned int pitch;
685
686 if (is_yuv(buf->format))
687 return droid_create_image_from_prime_fd_yuv(disp, ctx, buf, fd);
688
689 const int fourcc = get_fourcc(buf->format);
690 if (fourcc == -1) {
691 _eglError(EGL_BAD_PARAMETER, "eglCreateEGLImageKHR");
692 return NULL;
693 }
694
695 pitch = buf->stride * get_format_bpp(buf->format);
696 if (pitch == 0) {
697 _eglError(EGL_BAD_PARAMETER, "eglCreateEGLImageKHR");
698 return NULL;
699 }
700
701 const EGLint attr_list[] = {
702 EGL_WIDTH, buf->width,
703 EGL_HEIGHT, buf->height,
704 EGL_LINUX_DRM_FOURCC_EXT, fourcc,
705 EGL_DMA_BUF_PLANE0_FD_EXT, fd,
706 EGL_DMA_BUF_PLANE0_PITCH_EXT, pitch,
707 EGL_DMA_BUF_PLANE0_OFFSET_EXT, 0,
708 EGL_NONE, 0
709 };
710
711 return dri2_create_image_dma_buf(disp, ctx, NULL, attr_list);
712 }
713
714 static _EGLImage *
droid_create_image_from_name(_EGLDisplay * disp,_EGLContext * ctx,struct ANativeWindowBuffer * buf)715 droid_create_image_from_name(_EGLDisplay *disp, _EGLContext *ctx,
716 struct ANativeWindowBuffer *buf)
717 {
718 struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
719 struct dri2_egl_image *dri2_img;
720 int name;
721 int format;
722
723 name = get_native_buffer_name(buf);
724 if (!name) {
725 _eglError(EGL_BAD_PARAMETER, "eglCreateEGLImageKHR");
726 return NULL;
727 }
728
729 format = get_format(buf->format);
730 if (format == -1)
731 return NULL;
732
733 dri2_img = calloc(1, sizeof(*dri2_img));
734 if (!dri2_img) {
735 _eglError(EGL_BAD_ALLOC, "droid_create_image_mesa_drm");
736 return NULL;
737 }
738
739 if (!_eglInitImage(&dri2_img->base, disp)) {
740 free(dri2_img);
741 return NULL;
742 }
743
744 dri2_img->dri_image =
745 dri2_dpy->image->createImageFromName(dri2_dpy->dri_screen,
746 buf->width,
747 buf->height,
748 format,
749 name,
750 buf->stride,
751 dri2_img);
752 if (!dri2_img->dri_image) {
753 free(dri2_img);
754 _eglError(EGL_BAD_ALLOC, "droid_create_image_mesa_drm");
755 return NULL;
756 }
757
758 return &dri2_img->base;
759 }
760
761 static EGLBoolean
droid_query_surface(_EGLDriver * drv,_EGLDisplay * dpy,_EGLSurface * surf,EGLint attribute,EGLint * value)762 droid_query_surface(_EGLDriver *drv, _EGLDisplay *dpy, _EGLSurface *surf,
763 EGLint attribute, EGLint *value)
764 {
765 struct dri2_egl_surface *dri2_surf = dri2_egl_surface(surf);
766 switch (attribute) {
767 case EGL_WIDTH:
768 if (dri2_surf->base.Type == EGL_WINDOW_BIT && dri2_surf->window) {
769 dri2_surf->window->query(dri2_surf->window,
770 NATIVE_WINDOW_DEFAULT_WIDTH, value);
771 return EGL_TRUE;
772 }
773 break;
774 case EGL_HEIGHT:
775 if (dri2_surf->base.Type == EGL_WINDOW_BIT && dri2_surf->window) {
776 dri2_surf->window->query(dri2_surf->window,
777 NATIVE_WINDOW_DEFAULT_HEIGHT, value);
778 return EGL_TRUE;
779 }
780 break;
781 default:
782 break;
783 }
784 return _eglQuerySurface(drv, dpy, surf, attribute, value);
785 }
786
787 static _EGLImage *
dri2_create_image_android_native_buffer(_EGLDisplay * disp,_EGLContext * ctx,struct ANativeWindowBuffer * buf)788 dri2_create_image_android_native_buffer(_EGLDisplay *disp,
789 _EGLContext *ctx,
790 struct ANativeWindowBuffer *buf)
791 {
792 int fd;
793
794 if (ctx != NULL) {
795 /* From the EGL_ANDROID_image_native_buffer spec:
796 *
797 * * If <target> is EGL_NATIVE_BUFFER_ANDROID and <ctx> is not
798 * EGL_NO_CONTEXT, the error EGL_BAD_CONTEXT is generated.
799 */
800 _eglError(EGL_BAD_CONTEXT, "eglCreateEGLImageKHR: for "
801 "EGL_NATIVE_BUFFER_ANDROID, the context must be "
802 "EGL_NO_CONTEXT");
803 return NULL;
804 }
805
806 if (!buf || buf->common.magic != ANDROID_NATIVE_BUFFER_MAGIC ||
807 buf->common.version != sizeof(*buf)) {
808 _eglError(EGL_BAD_PARAMETER, "eglCreateEGLImageKHR");
809 return NULL;
810 }
811
812 fd = get_native_buffer_fd(buf);
813 if (fd >= 0)
814 return droid_create_image_from_prime_fd(disp, ctx, buf, fd);
815
816 return droid_create_image_from_name(disp, ctx, buf);
817 }
818
819 static _EGLImage *
droid_create_image_khr(_EGLDriver * drv,_EGLDisplay * disp,_EGLContext * ctx,EGLenum target,EGLClientBuffer buffer,const EGLint * attr_list)820 droid_create_image_khr(_EGLDriver *drv, _EGLDisplay *disp,
821 _EGLContext *ctx, EGLenum target,
822 EGLClientBuffer buffer, const EGLint *attr_list)
823 {
824 switch (target) {
825 case EGL_NATIVE_BUFFER_ANDROID:
826 return dri2_create_image_android_native_buffer(disp, ctx,
827 (struct ANativeWindowBuffer *) buffer);
828 default:
829 return dri2_create_image_khr(drv, disp, ctx, target, buffer, attr_list);
830 }
831 }
832
833 static void
droid_flush_front_buffer(__DRIdrawable * driDrawable,void * loaderPrivate)834 droid_flush_front_buffer(__DRIdrawable * driDrawable, void *loaderPrivate)
835 {
836 }
837
838 static int
droid_get_buffers_parse_attachments(struct dri2_egl_surface * dri2_surf,unsigned int * attachments,int count)839 droid_get_buffers_parse_attachments(struct dri2_egl_surface *dri2_surf,
840 unsigned int *attachments, int count)
841 {
842 int num_buffers = 0, i;
843
844 /* fill dri2_surf->buffers */
845 for (i = 0; i < count * 2; i += 2) {
846 __DRIbuffer *buf, *local;
847
848 assert(num_buffers < ARRAY_SIZE(dri2_surf->buffers));
849 buf = &dri2_surf->buffers[num_buffers];
850
851 switch (attachments[i]) {
852 case __DRI_BUFFER_BACK_LEFT:
853 if (dri2_surf->base.Type == EGL_WINDOW_BIT) {
854 buf->attachment = attachments[i];
855 buf->name = get_native_buffer_name(dri2_surf->buffer);
856 buf->cpp = get_format_bpp(dri2_surf->buffer->format);
857 buf->pitch = dri2_surf->buffer->stride * buf->cpp;
858 buf->flags = 0;
859
860 if (buf->name)
861 num_buffers++;
862
863 break;
864 }
865 /* fall through for pbuffers */
866 case __DRI_BUFFER_DEPTH:
867 case __DRI_BUFFER_STENCIL:
868 case __DRI_BUFFER_ACCUM:
869 case __DRI_BUFFER_DEPTH_STENCIL:
870 case __DRI_BUFFER_HIZ:
871 local = droid_alloc_local_buffer(dri2_surf,
872 attachments[i], attachments[i + 1]);
873
874 if (local) {
875 *buf = *local;
876 num_buffers++;
877 }
878 break;
879 case __DRI_BUFFER_FRONT_LEFT:
880 case __DRI_BUFFER_FRONT_RIGHT:
881 case __DRI_BUFFER_FAKE_FRONT_LEFT:
882 case __DRI_BUFFER_FAKE_FRONT_RIGHT:
883 case __DRI_BUFFER_BACK_RIGHT:
884 default:
885 /* no front or right buffers */
886 break;
887 }
888 }
889
890 return num_buffers;
891 }
892
893 static __DRIbuffer *
droid_get_buffers_with_format(__DRIdrawable * driDrawable,int * width,int * height,unsigned int * attachments,int count,int * out_count,void * loaderPrivate)894 droid_get_buffers_with_format(__DRIdrawable * driDrawable,
895 int *width, int *height,
896 unsigned int *attachments, int count,
897 int *out_count, void *loaderPrivate)
898 {
899 struct dri2_egl_surface *dri2_surf = loaderPrivate;
900
901 if (update_buffers(dri2_surf) < 0)
902 return NULL;
903
904 dri2_surf->buffer_count =
905 droid_get_buffers_parse_attachments(dri2_surf, attachments, count);
906
907 if (width)
908 *width = dri2_surf->base.Width;
909 if (height)
910 *height = dri2_surf->base.Height;
911
912 *out_count = dri2_surf->buffer_count;
913
914 return dri2_surf->buffers;
915 }
916
917 static EGLBoolean
droid_add_configs_for_visuals(_EGLDriver * drv,_EGLDisplay * dpy)918 droid_add_configs_for_visuals(_EGLDriver *drv, _EGLDisplay *dpy)
919 {
920 struct dri2_egl_display *dri2_dpy = dri2_egl_display(dpy);
921 static const struct {
922 int format;
923 unsigned int rgba_masks[4];
924 } visuals[] = {
925 { HAL_PIXEL_FORMAT_RGBA_8888, { 0xff, 0xff00, 0xff0000, 0xff000000 } },
926 { HAL_PIXEL_FORMAT_RGBX_8888, { 0xff, 0xff00, 0xff0000, 0x0 } },
927 { HAL_PIXEL_FORMAT_RGB_565, { 0xf800, 0x7e0, 0x1f, 0x0 } },
928 { HAL_PIXEL_FORMAT_BGRA_8888, { 0xff0000, 0xff00, 0xff, 0xff000000 } },
929 };
930 EGLint config_attrs[] = {
931 EGL_NATIVE_VISUAL_ID, 0,
932 EGL_NATIVE_VISUAL_TYPE, 0,
933 EGL_FRAMEBUFFER_TARGET_ANDROID, EGL_TRUE,
934 EGL_RECORDABLE_ANDROID, EGL_TRUE,
935 EGL_NONE
936 };
937 unsigned int format_count[ARRAY_SIZE(visuals)] = { 0 };
938 int count, i, j;
939
940 count = 0;
941 for (i = 0; dri2_dpy->driver_configs[i]; i++) {
942 const EGLint surface_type = EGL_WINDOW_BIT | EGL_PBUFFER_BIT;
943 struct dri2_egl_config *dri2_conf;
944
945 for (j = 0; j < ARRAY_SIZE(visuals); j++) {
946 config_attrs[1] = visuals[j].format;
947 config_attrs[3] = visuals[j].format;
948
949 dri2_conf = dri2_add_config(dpy, dri2_dpy->driver_configs[i],
950 count + 1, surface_type, config_attrs, visuals[j].rgba_masks);
951 if (dri2_conf) {
952 count++;
953 format_count[j]++;
954 }
955 }
956 }
957
958 for (i = 0; i < ARRAY_SIZE(format_count); i++) {
959 if (!format_count[i]) {
960 _eglLog(_EGL_DEBUG, "No DRI config supports native format 0x%x",
961 visuals[i].format);
962 }
963 }
964
965 return (count != 0);
966 }
967
968 static int
droid_open_device(struct dri2_egl_display * dri2_dpy)969 droid_open_device(struct dri2_egl_display *dri2_dpy)
970 {
971 int fd = -1, err = -EINVAL;
972
973 if (dri2_dpy->gralloc->perform)
974 err = dri2_dpy->gralloc->perform(dri2_dpy->gralloc,
975 GRALLOC_MODULE_PERFORM_GET_DRM_FD,
976 &fd);
977 if (err || fd < 0) {
978 _eglLog(_EGL_DEBUG, "fail to get drm fd");
979 fd = -1;
980 }
981
982 return (fd >= 0) ? fcntl(fd, F_DUPFD_CLOEXEC, 3) : -1;
983 }
984
985 #define DRM_RENDER_DEV_NAME "%s/renderD%d"
986
987 static int
droid_probe_device(_EGLDisplay * dpy)988 droid_probe_device(_EGLDisplay *dpy)
989 {
990 struct dri2_egl_display *dri2_dpy = dpy->DriverData;
991 const int limit = 64;
992 const int base = 128;
993 int fd;
994 int i;
995
996 for (i = 0; i < limit; ++i) {
997 char *card_path;
998 if (asprintf(&card_path, DRM_RENDER_DEV_NAME, DRM_DIR_NAME, base + i) < 0)
999 continue;
1000
1001 fd = loader_open_device(card_path);
1002 free(card_path);
1003 if (fd < 0)
1004 continue;
1005
1006 dri2_dpy->driver_name = loader_get_driver_for_fd(fd);
1007 if (!dri2_dpy->driver_name) {
1008 close(fd);
1009 continue;
1010 }
1011
1012 dri2_dpy->fd = fd;
1013 if (dri2_load_driver(dpy))
1014 return 0;
1015
1016 close(fd);
1017 dri2_dpy->fd = -1;
1018 free(dri2_dpy->driver_name);
1019 dri2_dpy->driver_name = NULL;
1020 }
1021
1022 return -1;
1023 }
1024
1025 /* support versions < JellyBean */
1026 #ifndef ALOGW
1027 #define ALOGW LOGW
1028 #endif
1029 #ifndef ALOGD
1030 #define ALOGD LOGD
1031 #endif
1032 #ifndef ALOGI
1033 #define ALOGI LOGI
1034 #endif
1035
1036 static void
droid_log(EGLint level,const char * msg)1037 droid_log(EGLint level, const char *msg)
1038 {
1039 switch (level) {
1040 case _EGL_DEBUG:
1041 ALOGD("%s", msg);
1042 break;
1043 case _EGL_INFO:
1044 ALOGI("%s", msg);
1045 break;
1046 case _EGL_WARNING:
1047 ALOGW("%s", msg);
1048 break;
1049 case _EGL_FATAL:
1050 LOG_FATAL("%s", msg);
1051 break;
1052 default:
1053 break;
1054 }
1055 }
1056
1057 static struct dri2_egl_display_vtbl droid_display_vtbl = {
1058 .authenticate = NULL,
1059 .create_window_surface = droid_create_window_surface,
1060 .create_pixmap_surface = dri2_fallback_create_pixmap_surface,
1061 .create_pbuffer_surface = droid_create_pbuffer_surface,
1062 .destroy_surface = droid_destroy_surface,
1063 .create_image = droid_create_image_khr,
1064 .swap_interval = dri2_fallback_swap_interval,
1065 .swap_buffers = droid_swap_buffers,
1066 .swap_buffers_with_damage = dri2_fallback_swap_buffers_with_damage,
1067 .swap_buffers_region = dri2_fallback_swap_buffers_region,
1068 .post_sub_buffer = dri2_fallback_post_sub_buffer,
1069 .copy_buffers = dri2_fallback_copy_buffers,
1070 .query_buffer_age = dri2_fallback_query_buffer_age,
1071 .query_surface = droid_query_surface,
1072 .create_wayland_buffer_from_image = dri2_fallback_create_wayland_buffer_from_image,
1073 .get_sync_values = dri2_fallback_get_sync_values,
1074 .get_dri_drawable = dri2_surface_get_dri_drawable,
1075 };
1076
1077 static const __DRIdri2LoaderExtension droid_dri2_loader_extension = {
1078 .base = { __DRI_DRI2_LOADER, 3 },
1079
1080 .getBuffers = NULL,
1081 .flushFrontBuffer = droid_flush_front_buffer,
1082 .getBuffersWithFormat = droid_get_buffers_with_format,
1083 };
1084
1085 static const __DRIimageLoaderExtension droid_image_loader_extension = {
1086 .base = { __DRI_IMAGE_LOADER, 1 },
1087
1088 .getBuffers = droid_image_get_buffers,
1089 .flushFrontBuffer = droid_flush_front_buffer,
1090 };
1091
1092 static const __DRIextension *droid_dri2_loader_extensions[] = {
1093 &droid_dri2_loader_extension.base,
1094 &image_lookup_extension.base,
1095 &use_invalidate.base,
1096 NULL,
1097 };
1098
1099 static const __DRIextension *droid_image_loader_extensions[] = {
1100 &droid_image_loader_extension.base,
1101 &image_lookup_extension.base,
1102 &use_invalidate.base,
1103 NULL,
1104 };
1105
1106 EGLBoolean
dri2_initialize_android(_EGLDriver * drv,_EGLDisplay * dpy)1107 dri2_initialize_android(_EGLDriver *drv, _EGLDisplay *dpy)
1108 {
1109 struct dri2_egl_display *dri2_dpy;
1110 const char *err;
1111 int ret;
1112
1113 _eglSetLogProc(droid_log);
1114
1115 loader_set_logger(_eglLog);
1116
1117 dri2_dpy = calloc(1, sizeof(*dri2_dpy));
1118 if (!dri2_dpy)
1119 return _eglError(EGL_BAD_ALLOC, "eglInitialize");
1120
1121 ret = hw_get_module(GRALLOC_HARDWARE_MODULE_ID,
1122 (const hw_module_t **)&dri2_dpy->gralloc);
1123 if (ret) {
1124 err = "DRI2: failed to get gralloc module";
1125 goto cleanup_display;
1126 }
1127
1128 dpy->DriverData = (void *) dri2_dpy;
1129
1130 dri2_dpy->fd = droid_open_device(dri2_dpy);
1131 if (dri2_dpy->fd >= 0) {
1132 dri2_dpy->driver_name = loader_get_driver_for_fd(dri2_dpy->fd);
1133 if (dri2_dpy->driver_name == NULL) {
1134 err = "DRI2: failed to get driver name";
1135 goto cleanup_device;
1136 }
1137
1138 if (!dri2_load_driver(dpy)) {
1139 err = "DRI2: failed to load driver";
1140 goto cleanup_driver_name;
1141 }
1142 } else if (droid_probe_device(dpy) < 0) {
1143 err = "DRI2: failed to open device";
1144 goto cleanup_display;
1145 }
1146
1147 dri2_dpy->is_render_node = drmGetNodeTypeFromFd(dri2_dpy->fd) == DRM_NODE_RENDER;
1148
1149 /* render nodes cannot use Gem names, and thus do not support
1150 * the __DRI_DRI2_LOADER extension */
1151 if (!dri2_dpy->is_render_node)
1152 dri2_dpy->loader_extensions = droid_dri2_loader_extensions;
1153 else
1154 dri2_dpy->loader_extensions = droid_image_loader_extensions;
1155
1156 if (!dri2_create_screen(dpy)) {
1157 err = "DRI2: failed to create screen";
1158 goto cleanup_driver;
1159 }
1160
1161 if (!droid_add_configs_for_visuals(drv, dpy)) {
1162 err = "DRI2: failed to add configs";
1163 goto cleanup_screen;
1164 }
1165
1166 dpy->Extensions.ANDROID_framebuffer_target = EGL_TRUE;
1167 dpy->Extensions.ANDROID_image_native_buffer = EGL_TRUE;
1168 dpy->Extensions.ANDROID_recordable = EGL_TRUE;
1169
1170 /* Fill vtbl last to prevent accidentally calling virtual function during
1171 * initialization.
1172 */
1173 dri2_dpy->vtbl = &droid_display_vtbl;
1174
1175 return EGL_TRUE;
1176
1177 cleanup_screen:
1178 dri2_dpy->core->destroyScreen(dri2_dpy->dri_screen);
1179 cleanup_driver:
1180 dlclose(dri2_dpy->driver);
1181 cleanup_driver_name:
1182 free(dri2_dpy->driver_name);
1183 cleanup_device:
1184 close(dri2_dpy->fd);
1185 cleanup_display:
1186 free(dri2_dpy);
1187 dpy->DriverData = NULL;
1188
1189 return _eglError(EGL_NOT_INITIALIZED, err);
1190 }
1191