projects / mesa.git / blob
? search:
summary | shortlog | log | commit | commitdiff | tree
history | raw | HEAD
egl: add EGL_ANDROID_native_fence_sync
[mesa.git] / src / egl / drivers / dri2 / egl_dri2.c
1 /*
2 * Copyright © 2010 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 #define WL_HIDE_DEPRECATED
29
30 #include <stdbool.h>
31 #include <stdint.h>
32 #include <stdbool.h>
33 #include <stdlib.h>
34 #include <string.h>
35 #include <stdio.h>
36 #include <limits.h>
37 #include <dlfcn.h>
38 #include <fcntl.h>
39 #include <errno.h>
40 #include <unistd.h>
41 #include <c11/threads.h>
42 #include <time.h>
43 #ifdef HAVE_LIBDRM
44 #include <xf86drm.h>
45 #include <drm_fourcc.h>
46 #endif
47 #include <GL/gl.h>
48 #include <GL/internal/dri_interface.h>
49 #include "GL/mesa_glinterop.h"
50 #include <sys/types.h>
51 #include <sys/stat.h>
52
53 #ifdef HAVE_WAYLAND_PLATFORM
54 #include "wayland-drm.h"
55 #include "wayland-drm-client-protocol.h"
56 #endif
57
58 #include "egl_dri2.h"
59 #include "loader/loader.h"
60 #include "util/u_atomic.h"
61
62 /* The kernel header drm_fourcc.h defines the DRM formats below. We duplicate
63 * some of the definitions here so that building Mesa won't bleeding-edge
64 * kernel headers.
65 */
66 #ifndef DRM_FORMAT_R8
67 #define DRM_FORMAT_R8 fourcc_code('R', '8', ' ', ' ') /* [7:0] R */
68 #endif
69
70 #ifndef DRM_FORMAT_RG88
71 #define DRM_FORMAT_RG88 fourcc_code('R', 'G', '8', '8') /* [15:0] R:G 8:8 little endian */
72 #endif
73
74 #ifndef DRM_FORMAT_GR88
75 #define DRM_FORMAT_GR88 fourcc_code('G', 'R', '8', '8') /* [15:0] G:R 8:8 little endian */
76 #endif
77
78 const __DRIuseInvalidateExtension use_invalidate = {
79 .base = { __DRI_USE_INVALIDATE, 1 }
80 };
81
82 EGLint dri2_to_egl_attribute_map[] = {
83 0,
84 EGL_BUFFER_SIZE, /* __DRI_ATTRIB_BUFFER_SIZE */
85 EGL_LEVEL, /* __DRI_ATTRIB_LEVEL */
86 EGL_RED_SIZE, /* __DRI_ATTRIB_RED_SIZE */
87 EGL_GREEN_SIZE, /* __DRI_ATTRIB_GREEN_SIZE */
88 EGL_BLUE_SIZE, /* __DRI_ATTRIB_BLUE_SIZE */
89 EGL_LUMINANCE_SIZE, /* __DRI_ATTRIB_LUMINANCE_SIZE */
90 EGL_ALPHA_SIZE, /* __DRI_ATTRIB_ALPHA_SIZE */
91 0, /* __DRI_ATTRIB_ALPHA_MASK_SIZE */
92 EGL_DEPTH_SIZE, /* __DRI_ATTRIB_DEPTH_SIZE */
93 EGL_STENCIL_SIZE, /* __DRI_ATTRIB_STENCIL_SIZE */
94 0, /* __DRI_ATTRIB_ACCUM_RED_SIZE */
95 0, /* __DRI_ATTRIB_ACCUM_GREEN_SIZE */
96 0, /* __DRI_ATTRIB_ACCUM_BLUE_SIZE */
97 0, /* __DRI_ATTRIB_ACCUM_ALPHA_SIZE */
98 EGL_SAMPLE_BUFFERS, /* __DRI_ATTRIB_SAMPLE_BUFFERS */
99 EGL_SAMPLES, /* __DRI_ATTRIB_SAMPLES */
100 0, /* __DRI_ATTRIB_RENDER_TYPE, */
101 0, /* __DRI_ATTRIB_CONFIG_CAVEAT */
102 0, /* __DRI_ATTRIB_CONFORMANT */
103 0, /* __DRI_ATTRIB_DOUBLE_BUFFER */
104 0, /* __DRI_ATTRIB_STEREO */
105 0, /* __DRI_ATTRIB_AUX_BUFFERS */
106 0, /* __DRI_ATTRIB_TRANSPARENT_TYPE */
107 0, /* __DRI_ATTRIB_TRANSPARENT_INDEX_VALUE */
108 0, /* __DRI_ATTRIB_TRANSPARENT_RED_VALUE */
109 0, /* __DRI_ATTRIB_TRANSPARENT_GREEN_VALUE */
110 0, /* __DRI_ATTRIB_TRANSPARENT_BLUE_VALUE */
111 0, /* __DRI_ATTRIB_TRANSPARENT_ALPHA_VALUE */
112 0, /* __DRI_ATTRIB_FLOAT_MODE (deprecated) */
113 0, /* __DRI_ATTRIB_RED_MASK */
114 0, /* __DRI_ATTRIB_GREEN_MASK */
115 0, /* __DRI_ATTRIB_BLUE_MASK */
116 0, /* __DRI_ATTRIB_ALPHA_MASK */
117 EGL_MAX_PBUFFER_WIDTH, /* __DRI_ATTRIB_MAX_PBUFFER_WIDTH */
118 EGL_MAX_PBUFFER_HEIGHT, /* __DRI_ATTRIB_MAX_PBUFFER_HEIGHT */
119 EGL_MAX_PBUFFER_PIXELS, /* __DRI_ATTRIB_MAX_PBUFFER_PIXELS */
120 0, /* __DRI_ATTRIB_OPTIMAL_PBUFFER_WIDTH */
121 0, /* __DRI_ATTRIB_OPTIMAL_PBUFFER_HEIGHT */
122 0, /* __DRI_ATTRIB_VISUAL_SELECT_GROUP */
123 0, /* __DRI_ATTRIB_SWAP_METHOD */
124 EGL_MAX_SWAP_INTERVAL, /* __DRI_ATTRIB_MAX_SWAP_INTERVAL */
125 EGL_MIN_SWAP_INTERVAL, /* __DRI_ATTRIB_MIN_SWAP_INTERVAL */
126 0, /* __DRI_ATTRIB_BIND_TO_TEXTURE_RGB */
127 0, /* __DRI_ATTRIB_BIND_TO_TEXTURE_RGBA */
128 0, /* __DRI_ATTRIB_BIND_TO_MIPMAP_TEXTURE */
129 0, /* __DRI_ATTRIB_BIND_TO_TEXTURE_TARGETS */
130 EGL_Y_INVERTED_NOK, /* __DRI_ATTRIB_YINVERTED */
131 0, /* __DRI_ATTRIB_FRAMEBUFFER_SRGB_CAPABLE */
132 };
133
134 const __DRIconfig *
135 dri2_get_dri_config(struct dri2_egl_config *conf, EGLint surface_type,
136 EGLenum colorspace)
137 {
138 const bool srgb = colorspace == EGL_GL_COLORSPACE_SRGB_KHR;
139
140 return surface_type == EGL_WINDOW_BIT ? conf->dri_double_config[srgb] :
141 conf->dri_single_config[srgb];
142 }
143
144 static EGLBoolean
145 dri2_match_config(const _EGLConfig *conf, const _EGLConfig *criteria)
146 {
147 if (_eglCompareConfigs(conf, criteria, NULL, EGL_FALSE) != 0)
148 return EGL_FALSE;
149
150 if (!_eglMatchConfig(conf, criteria))
151 return EGL_FALSE;
152
153 return EGL_TRUE;
154 }
155
156 struct dri2_egl_config *
157 dri2_add_config(_EGLDisplay *disp, const __DRIconfig *dri_config, int id,
158 EGLint surface_type, const EGLint *attr_list,
159 const unsigned int *rgba_masks)
160 {
161 struct dri2_egl_config *conf;
162 struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
163 _EGLConfig base;
164 unsigned int attrib, value, double_buffer;
165 bool srgb = false;
166 EGLint key, bind_to_texture_rgb, bind_to_texture_rgba;
167 unsigned int dri_masks[4] = { 0, 0, 0, 0 };
168 _EGLConfig *matching_config;
169 EGLint num_configs = 0;
170 EGLint config_id;
171 int i;
172
173 _eglInitConfig(&base, disp, id);
174
175 i = 0;
176 double_buffer = 0;
177 bind_to_texture_rgb = 0;
178 bind_to_texture_rgba = 0;
179
180 while (dri2_dpy->core->indexConfigAttrib(dri_config, i++, &attrib, &value)) {
181 switch (attrib) {
182 case __DRI_ATTRIB_RENDER_TYPE:
183 if (value & __DRI_ATTRIB_RGBA_BIT)
184 value = EGL_RGB_BUFFER;
185 else if (value & __DRI_ATTRIB_LUMINANCE_BIT)
186 value = EGL_LUMINANCE_BUFFER;
187 else
188 return NULL;
189 _eglSetConfigKey(&base, EGL_COLOR_BUFFER_TYPE, value);
190 break;
191
192 case __DRI_ATTRIB_CONFIG_CAVEAT:
193 if (value & __DRI_ATTRIB_NON_CONFORMANT_CONFIG)
194 value = EGL_NON_CONFORMANT_CONFIG;
195 else if (value & __DRI_ATTRIB_SLOW_BIT)
196 value = EGL_SLOW_CONFIG;
197 else
198 value = EGL_NONE;
199 _eglSetConfigKey(&base, EGL_CONFIG_CAVEAT, value);
200 break;
201
202 case __DRI_ATTRIB_BIND_TO_TEXTURE_RGB:
203 bind_to_texture_rgb = value;
204 break;
205
206 case __DRI_ATTRIB_BIND_TO_TEXTURE_RGBA:
207 bind_to_texture_rgba = value;
208 break;
209
210 case __DRI_ATTRIB_DOUBLE_BUFFER:
211 double_buffer = value;
212 break;
213
214 case __DRI_ATTRIB_RED_MASK:
215 dri_masks[0] = value;
216 break;
217
218 case __DRI_ATTRIB_GREEN_MASK:
219 dri_masks[1] = value;
220 break;
221
222 case __DRI_ATTRIB_BLUE_MASK:
223 dri_masks[2] = value;
224 break;
225
226 case __DRI_ATTRIB_ALPHA_MASK:
227 dri_masks[3] = value;
228 break;
229
230 case __DRI_ATTRIB_ACCUM_RED_SIZE:
231 case __DRI_ATTRIB_ACCUM_GREEN_SIZE:
232 case __DRI_ATTRIB_ACCUM_BLUE_SIZE:
233 case __DRI_ATTRIB_ACCUM_ALPHA_SIZE:
234 /* Don't expose visuals with the accumulation buffer. */
235 if (value > 0)
236 return NULL;
237 break;
238
239 case __DRI_ATTRIB_FRAMEBUFFER_SRGB_CAPABLE:
240 srgb = value != 0;
241 if (!disp->Extensions.KHR_gl_colorspace && srgb)
242 return NULL;
243 break;
244
245 case __DRI_ATTRIB_MAX_PBUFFER_WIDTH:
246 _eglSetConfigKey(&base, EGL_MAX_PBUFFER_WIDTH,
247 _EGL_MAX_PBUFFER_WIDTH);
248 break;
249 case __DRI_ATTRIB_MAX_PBUFFER_HEIGHT:
250 _eglSetConfigKey(&base, EGL_MAX_PBUFFER_HEIGHT,
251 _EGL_MAX_PBUFFER_HEIGHT);
252 break;
253
254 default:
255 key = dri2_to_egl_attribute_map[attrib];
256 if (key != 0)
257 _eglSetConfigKey(&base, key, value);
258 break;
259 }
260 }
261
262 if (attr_list)
263 for (i = 0; attr_list[i] != EGL_NONE; i += 2)
264 _eglSetConfigKey(&base, attr_list[i], attr_list[i+1]);
265
266 if (rgba_masks && memcmp(rgba_masks, dri_masks, sizeof(dri_masks)))
267 return NULL;
268
269 base.NativeRenderable = EGL_TRUE;
270
271 base.SurfaceType = surface_type;
272 if (surface_type & (EGL_PBUFFER_BIT |
273 (disp->Extensions.NOK_texture_from_pixmap ? EGL_PIXMAP_BIT : 0))) {
274 base.BindToTextureRGB = bind_to_texture_rgb;
275 if (base.AlphaSize > 0)
276 base.BindToTextureRGBA = bind_to_texture_rgba;
277 }
278
279 base.RenderableType = disp->ClientAPIs;
280 base.Conformant = disp->ClientAPIs;
281
282 base.MinSwapInterval = dri2_dpy->min_swap_interval;
283 base.MaxSwapInterval = dri2_dpy->max_swap_interval;
284
285 if (!_eglValidateConfig(&base, EGL_FALSE)) {
286 _eglLog(_EGL_DEBUG, "DRI2: failed to validate config %d", id);
287 return NULL;
288 }
289
290 config_id = base.ConfigID;
291 base.ConfigID = EGL_DONT_CARE;
292 base.SurfaceType = EGL_DONT_CARE;
293 num_configs = _eglFilterArray(disp->Configs, (void **) &matching_config, 1,
294 (_EGLArrayForEach) dri2_match_config, &base);
295
296 if (num_configs == 1) {
297 conf = (struct dri2_egl_config *) matching_config;
298
299 if (double_buffer && !conf->dri_double_config[srgb])
300 conf->dri_double_config[srgb] = dri_config;
301 else if (!double_buffer && !conf->dri_single_config[srgb])
302 conf->dri_single_config[srgb] = dri_config;
303 else
304 /* a similar config type is already added (unlikely) => discard */
305 return NULL;
306 }
307 else if (num_configs == 0) {
308 conf = calloc(1, sizeof *conf);
309 if (conf == NULL)
310 return NULL;
311
312 if (double_buffer)
313 conf->dri_double_config[srgb] = dri_config;
314 else
315 conf->dri_single_config[srgb] = dri_config;
316
317 memcpy(&conf->base, &base, sizeof base);
318 conf->base.SurfaceType = 0;
319 conf->base.ConfigID = config_id;
320
321 _eglLinkConfig(&conf->base);
322 }
323 else {
324 assert(0);
325 return NULL;
326 }
327
328 if (double_buffer) {
329 surface_type &= ~EGL_PIXMAP_BIT;
330 }
331
332 /* No support for pbuffer + MSAA for now.
333 *
334 * XXX TODO: pbuffer + MSAA does not work and causes crashes.
335 * See QT bugreport: https://bugreports.qt.io/browse/QTBUG-47509
336 */
337 if (base.Samples) {
338 surface_type &= ~EGL_PBUFFER_BIT;
339 }
340
341 conf->base.SurfaceType |= surface_type;
342
343 return conf;
344 }
345
346 __DRIimage *
347 dri2_lookup_egl_image(__DRIscreen *screen, void *image, void *data)
348 {
349 _EGLDisplay *disp = data;
350 struct dri2_egl_image *dri2_img;
351 _EGLImage *img;
352
353 (void) screen;
354
355 img = _eglLookupImage(image, disp);
356 if (img == NULL) {
357 _eglError(EGL_BAD_PARAMETER, "dri2_lookup_egl_image");
358 return NULL;
359 }
360
361 dri2_img = dri2_egl_image(image);
362
363 return dri2_img->dri_image;
364 }
365
366 const __DRIimageLookupExtension image_lookup_extension = {
367 .base = { __DRI_IMAGE_LOOKUP, 1 },
368
369 .lookupEGLImage = dri2_lookup_egl_image
370 };
371
372 struct dri2_extension_match {
373 const char *name;
374 int version;
375 int offset;
376 };
377
378 static const struct dri2_extension_match dri3_driver_extensions[] = {
379 { __DRI_CORE, 1, offsetof(struct dri2_egl_display, core) },
380 { __DRI_IMAGE_DRIVER, 1, offsetof(struct dri2_egl_display, image_driver) },
381 { NULL, 0, 0 }
382 };
383
384 static const struct dri2_extension_match dri2_driver_extensions[] = {
385 { __DRI_CORE, 1, offsetof(struct dri2_egl_display, core) },
386 { __DRI_DRI2, 2, offsetof(struct dri2_egl_display, dri2) },
387 { NULL, 0, 0 }
388 };
389
390 static const struct dri2_extension_match dri2_core_extensions[] = {
391 { __DRI2_FLUSH, 1, offsetof(struct dri2_egl_display, flush) },
392 { __DRI_TEX_BUFFER, 2, offsetof(struct dri2_egl_display, tex_buffer) },
393 { __DRI_IMAGE, 1, offsetof(struct dri2_egl_display, image) },
394 { NULL, 0, 0 }
395 };
396
397 static const struct dri2_extension_match swrast_driver_extensions[] = {
398 { __DRI_CORE, 1, offsetof(struct dri2_egl_display, core) },
399 { __DRI_SWRAST, 2, offsetof(struct dri2_egl_display, swrast) },
400 { NULL, 0, 0 }
401 };
402
403 static const struct dri2_extension_match swrast_core_extensions[] = {
404 { __DRI_TEX_BUFFER, 2, offsetof(struct dri2_egl_display, tex_buffer) },
405 { NULL, 0, 0 }
406 };
407
408 static const struct dri2_extension_match optional_core_extensions[] = {
409 { __DRI2_ROBUSTNESS, 1, offsetof(struct dri2_egl_display, robustness) },
410 { __DRI2_CONFIG_QUERY, 1, offsetof(struct dri2_egl_display, config) },
411 { __DRI2_FENCE, 1, offsetof(struct dri2_egl_display, fence) },
412 { __DRI2_RENDERER_QUERY, 1, offsetof(struct dri2_egl_display, rendererQuery) },
413 { __DRI2_INTEROP, 1, offsetof(struct dri2_egl_display, interop) },
414 { NULL, 0, 0 }
415 };
416
417 static EGLBoolean
418 dri2_bind_extensions(struct dri2_egl_display *dri2_dpy,
419 const struct dri2_extension_match *matches,
420 const __DRIextension **extensions,
421 bool optional)
422 {
423 int i, j, ret = EGL_TRUE;
424 void *field;
425
426 for (i = 0; extensions[i]; i++) {
427 _eglLog(_EGL_DEBUG, "found extension `%s'", extensions[i]->name);
428 for (j = 0; matches[j].name; j++) {
429 if (strcmp(extensions[i]->name, matches[j].name) == 0 &&
430 extensions[i]->version >= matches[j].version) {
431 field = ((char *) dri2_dpy + matches[j].offset);
432 *(const __DRIextension **) field = extensions[i];
433 _eglLog(_EGL_INFO, "found extension %s version %d",
434 extensions[i]->name, extensions[i]->version);
435 break;
436 }
437 }
438 }
439
440 for (j = 0; matches[j].name; j++) {
441 field = ((char *) dri2_dpy + matches[j].offset);
442 if (*(const __DRIextension **) field == NULL) {
443 if (optional) {
444 _eglLog(_EGL_DEBUG, "did not find optional extension %s version %d",
445 matches[j].name, matches[j].version);
446 } else {
447 _eglLog(_EGL_WARNING, "did not find extension %s version %d",
448 matches[j].name, matches[j].version);
449 ret = EGL_FALSE;
450 }
451 }
452 }
453
454 return ret;
455 }
456
457 static const __DRIextension **
458 dri2_open_driver(_EGLDisplay *disp)
459 {
460 struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
461 const __DRIextension **extensions = NULL;
462 char path[PATH_MAX], *search_paths, *p, *next, *end;
463 char *get_extensions_name;
464 const __DRIextension **(*get_extensions)(void);
465
466 search_paths = NULL;
467 if (geteuid() == getuid()) {
468 /* don't allow setuid apps to use LIBGL_DRIVERS_PATH */
469 search_paths = getenv("LIBGL_DRIVERS_PATH");
470 }
471 if (search_paths == NULL)
472 search_paths = DEFAULT_DRIVER_DIR;
473
474 dri2_dpy->driver = NULL;
475 end = search_paths + strlen(search_paths);
476 for (p = search_paths; p < end; p = next + 1) {
477 int len;
478 next = strchr(p, ':');
479 if (next == NULL)
480 next = end;
481
482 len = next - p;
483 #if GLX_USE_TLS
484 snprintf(path, sizeof path,
485 "%.*s/tls/%s_dri.so", len, p, dri2_dpy->driver_name);
486 dri2_dpy->driver = dlopen(path, RTLD_NOW | RTLD_GLOBAL);
487 #endif
488 if (dri2_dpy->driver == NULL) {
489 snprintf(path, sizeof path,
490 "%.*s/%s_dri.so", len, p, dri2_dpy->driver_name);
491 dri2_dpy->driver = dlopen(path, RTLD_NOW | RTLD_GLOBAL);
492 if (dri2_dpy->driver == NULL)
493 _eglLog(_EGL_DEBUG, "failed to open %s: %s\n", path, dlerror());
494 }
495 /* not need continue to loop all paths once the driver is found */
496 if (dri2_dpy->driver != NULL)
497 break;
498
499 #ifdef ANDROID
500 snprintf(path, sizeof path, "%.*s/gallium_dri.so", len, p);
501 dri2_dpy->driver = dlopen(path, RTLD_NOW | RTLD_GLOBAL);
502 if (dri2_dpy->driver == NULL)
503 _eglLog(_EGL_DEBUG, "failed to open %s: %s\n", path, dlerror());
504 else
505 break;
506 #endif
507 }
508
509 if (dri2_dpy->driver == NULL) {
510 _eglLog(_EGL_WARNING,
511 "DRI2: failed to open %s (search paths %s)",
512 dri2_dpy->driver_name, search_paths);
513 return NULL;
514 }
515
516 _eglLog(_EGL_DEBUG, "DRI2: dlopen(%s)", path);
517
518 get_extensions_name = loader_get_extensions_name(dri2_dpy->driver_name);
519 if (get_extensions_name) {
520 get_extensions = dlsym(dri2_dpy->driver, get_extensions_name);
521 if (get_extensions) {
522 extensions = get_extensions();
523 } else {
524 _eglLog(_EGL_DEBUG, "driver does not expose %s(): %s\n",
525 get_extensions_name, dlerror());
526 }
527 free(get_extensions_name);
528 }
529
530 if (!extensions)
531 extensions = dlsym(dri2_dpy->driver, __DRI_DRIVER_EXTENSIONS);
532 if (extensions == NULL) {
533 _eglLog(_EGL_WARNING,
534 "DRI2: driver exports no extensions (%s)", dlerror());
535 dlclose(dri2_dpy->driver);
536 }
537
538 return extensions;
539 }
540
541 EGLBoolean
542 dri2_load_driver_dri3(_EGLDisplay *disp)
543 {
544 struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
545 const __DRIextension **extensions;
546
547 extensions = dri2_open_driver(disp);
548 if (!extensions)
549 return EGL_FALSE;
550
551 if (!dri2_bind_extensions(dri2_dpy, dri3_driver_extensions, extensions, false)) {
552 dlclose(dri2_dpy->driver);
553 return EGL_FALSE;
554 }
555 dri2_dpy->driver_extensions = extensions;
556
557 return EGL_TRUE;
558 }
559
560 EGLBoolean
561 dri2_load_driver(_EGLDisplay *disp)
562 {
563 struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
564 const __DRIextension **extensions;
565
566 extensions = dri2_open_driver(disp);
567 if (!extensions)
568 return EGL_FALSE;
569
570 if (!dri2_bind_extensions(dri2_dpy, dri2_driver_extensions, extensions, false)) {
571 dlclose(dri2_dpy->driver);
572 return EGL_FALSE;
573 }
574 dri2_dpy->driver_extensions = extensions;
575
576 return EGL_TRUE;
577 }
578
579 EGLBoolean
580 dri2_load_driver_swrast(_EGLDisplay *disp)
581 {
582 struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
583 const __DRIextension **extensions;
584
585 extensions = dri2_open_driver(disp);
586 if (!extensions)
587 return EGL_FALSE;
588
589 if (!dri2_bind_extensions(dri2_dpy, swrast_driver_extensions, extensions, false)) {
590 dlclose(dri2_dpy->driver);
591 return EGL_FALSE;
592 }
593 dri2_dpy->driver_extensions = extensions;
594
595 return EGL_TRUE;
596 }
597
598 static unsigned
599 dri2_renderer_query_integer(struct dri2_egl_display *dri2_dpy, int param)
600 {
601 const __DRI2rendererQueryExtension *rendererQuery = dri2_dpy->rendererQuery;
602 unsigned int value = 0;
603
604 if (!rendererQuery ||
605 rendererQuery->queryInteger(dri2_dpy->dri_screen, param, &value) == -1)
606 return 0;
607
608 return value;
609 }
610
611 void
612 dri2_setup_screen(_EGLDisplay *disp)
613 {
614 struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
615 unsigned int api_mask;
616
617 if (dri2_dpy->image_driver) {
618 api_mask = dri2_dpy->image_driver->getAPIMask(dri2_dpy->dri_screen);
619 } else if (dri2_dpy->dri2) {
620 api_mask = dri2_dpy->dri2->getAPIMask(dri2_dpy->dri_screen);
621 } else {
622 assert(dri2_dpy->swrast);
623 api_mask = 1 << __DRI_API_OPENGL |
624 1 << __DRI_API_GLES |
625 1 << __DRI_API_GLES2 |
626 1 << __DRI_API_GLES3;
627 }
628
629 disp->ClientAPIs = 0;
630 if ((api_mask & (1 <<__DRI_API_OPENGL)) && _eglIsApiValid(EGL_OPENGL_API))
631 disp->ClientAPIs |= EGL_OPENGL_BIT;
632 if ((api_mask & (1 << __DRI_API_GLES)) && _eglIsApiValid(EGL_OPENGL_ES_API))
633 disp->ClientAPIs |= EGL_OPENGL_ES_BIT;
634 if ((api_mask & (1 << __DRI_API_GLES2)) && _eglIsApiValid(EGL_OPENGL_ES_API))
635 disp->ClientAPIs |= EGL_OPENGL_ES2_BIT;
636 if ((api_mask & (1 << __DRI_API_GLES3)) && _eglIsApiValid(EGL_OPENGL_ES_API))
637 disp->ClientAPIs |= EGL_OPENGL_ES3_BIT_KHR;
638
639 assert(dri2_dpy->image_driver || dri2_dpy->dri2 || dri2_dpy->swrast);
640 disp->Extensions.KHR_no_config_context = EGL_TRUE;
641 disp->Extensions.KHR_surfaceless_context = EGL_TRUE;
642
643 if (dri2_renderer_query_integer(dri2_dpy,
644 __DRI2_RENDERER_HAS_FRAMEBUFFER_SRGB))
645 disp->Extensions.KHR_gl_colorspace = EGL_TRUE;
646
647 if (dri2_dpy->image_driver ||
648 (dri2_dpy->dri2 && dri2_dpy->dri2->base.version >= 3) ||
649 (dri2_dpy->swrast && dri2_dpy->swrast->base.version >= 3)) {
650 disp->Extensions.KHR_create_context = EGL_TRUE;
651
652 if (dri2_dpy->robustness)
653 disp->Extensions.EXT_create_context_robustness = EGL_TRUE;
654 }
655
656 if (dri2_dpy->fence) {
657 disp->Extensions.KHR_fence_sync = EGL_TRUE;
658 disp->Extensions.KHR_wait_sync = EGL_TRUE;
659 if (dri2_dpy->fence->get_fence_from_cl_event)
660 disp->Extensions.KHR_cl_event2 = EGL_TRUE;
661 if (dri2_dpy->fence->base.version >= 2) {
662 unsigned capabilities =
663 dri2_dpy->fence->get_capabilities(dri2_dpy->dri_screen);
664 disp->Extensions.ANDROID_native_fence_sync =
665 (capabilities & __DRI_FENCE_CAP_NATIVE_FD) != 0;
666 }
667 }
668
669 disp->Extensions.KHR_reusable_sync = EGL_TRUE;
670
671 if (dri2_dpy->image) {
672 if (dri2_dpy->image->base.version >= 10 &&
673 dri2_dpy->image->getCapabilities != NULL) {
674 int capabilities;
675
676 capabilities = dri2_dpy->image->getCapabilities(dri2_dpy->dri_screen);
677 disp->Extensions.MESA_drm_image = (capabilities & __DRI_IMAGE_CAP_GLOBAL_NAMES) != 0;
678
679 if (dri2_dpy->image->base.version >= 11)
680 disp->Extensions.MESA_image_dma_buf_export = EGL_TRUE;
681 } else {
682 disp->Extensions.MESA_drm_image = EGL_TRUE;
683 if (dri2_dpy->image->base.version >= 11)
684 disp->Extensions.MESA_image_dma_buf_export = EGL_TRUE;
685 }
686
687 disp->Extensions.KHR_image_base = EGL_TRUE;
688 disp->Extensions.KHR_gl_renderbuffer_image = EGL_TRUE;
689 if (dri2_dpy->image->base.version >= 5 &&
690 dri2_dpy->image->createImageFromTexture) {
691 disp->Extensions.KHR_gl_texture_2D_image = EGL_TRUE;
692 disp->Extensions.KHR_gl_texture_cubemap_image = EGL_TRUE;
693 }
694 if (dri2_renderer_query_integer(dri2_dpy,
695 __DRI2_RENDERER_HAS_TEXTURE_3D))
696 disp->Extensions.KHR_gl_texture_3D_image = EGL_TRUE;
697 #ifdef HAVE_LIBDRM
698 if (dri2_dpy->image->base.version >= 8 &&
699 dri2_dpy->image->createImageFromDmaBufs) {
700 disp->Extensions.EXT_image_dma_buf_import = EGL_TRUE;
701 }
702 #endif
703 }
704 }
705
706 /* All platforms but DRM call this function to create the screen, query the
707 * dri extensions, setup the vtables and populate the driver_configs.
708 * DRM inherits all that information from its display - GBM.
709 */
710 EGLBoolean
711 dri2_create_screen(_EGLDisplay *disp)
712 {
713 const __DRIextension **extensions;
714 struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
715
716 if (dri2_dpy->image_driver) {
717 dri2_dpy->dri_screen =
718 dri2_dpy->image_driver->createNewScreen2(0, dri2_dpy->fd,
719 dri2_dpy->loader_extensions,
720 dri2_dpy->driver_extensions,
721 &dri2_dpy->driver_configs,
722 disp);
723 } else if (dri2_dpy->dri2) {
724 if (dri2_dpy->dri2->base.version >= 4) {
725 dri2_dpy->dri_screen =
726 dri2_dpy->dri2->createNewScreen2(0, dri2_dpy->fd,
727 dri2_dpy->loader_extensions,
728 dri2_dpy->driver_extensions,
729 &dri2_dpy->driver_configs, disp);
730 } else {
731 dri2_dpy->dri_screen =
732 dri2_dpy->dri2->createNewScreen(0, dri2_dpy->fd,
733 dri2_dpy->loader_extensions,
734 &dri2_dpy->driver_configs, disp);
735 }
736 } else {
737 assert(dri2_dpy->swrast);
738 if (dri2_dpy->swrast->base.version >= 4) {
739 dri2_dpy->dri_screen =
740 dri2_dpy->swrast->createNewScreen2(0, dri2_dpy->loader_extensions,
741 dri2_dpy->driver_extensions,
742 &dri2_dpy->driver_configs, disp);
743 } else {
744 dri2_dpy->dri_screen =
745 dri2_dpy->swrast->createNewScreen(0, dri2_dpy->loader_extensions,
746 &dri2_dpy->driver_configs, disp);
747 }
748 }
749
750 if (dri2_dpy->dri_screen == NULL) {
751 _eglLog(_EGL_WARNING, "DRI2: failed to create dri screen");
752 return EGL_FALSE;
753 }
754
755 dri2_dpy->own_dri_screen = 1;
756
757 extensions = dri2_dpy->core->getExtensions(dri2_dpy->dri_screen);
758
759 if (dri2_dpy->image_driver || dri2_dpy->dri2) {
760 if (!dri2_bind_extensions(dri2_dpy, dri2_core_extensions, extensions, false))
761 goto cleanup_dri_screen;
762 } else {
763 assert(dri2_dpy->swrast);
764 if (!dri2_bind_extensions(dri2_dpy, swrast_core_extensions, extensions, false))
765 goto cleanup_dri_screen;
766 }
767
768 dri2_bind_extensions(dri2_dpy, optional_core_extensions, extensions, true);
769 dri2_setup_screen(disp);
770
771 return EGL_TRUE;
772
773 cleanup_dri_screen:
774 dri2_dpy->core->destroyScreen(dri2_dpy->dri_screen);
775
776 return EGL_FALSE;
777 }
778
779 /**
780 * Called via eglInitialize(), GLX_drv->API.Initialize().
781 *
782 * This must be guaranteed to be called exactly once, even if eglInitialize is
783 * called many times (without a eglTerminate in between).
784 */
785 static EGLBoolean
786 dri2_initialize(_EGLDriver *drv, _EGLDisplay *disp)
787 {
788 EGLBoolean ret = EGL_FALSE;
789 struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
790
791 /* In the case where the application calls eglMakeCurrent(context1),
792 * eglTerminate, then eglInitialize again (without a call to eglReleaseThread
793 * or eglMakeCurrent(NULL) before that), dri2_dpy structure is still
794 * initialized, as we need it to be able to free context1 correctly.
795 *
796 * It would probably be safest to forcibly release the display with
797 * dri2_display_release, to make sure the display is reinitialized correctly.
798 * However, the EGL spec states that we need to keep a reference to the
799 * current context (so we cannot call dri2_make_current(NULL)), and therefore
800 * we would leak context1 as we would be missing the old display connection
801 * to free it up correctly.
802 */
803 if (dri2_dpy) {
804 dri2_dpy->ref_count++;
805 return EGL_TRUE;
806 }
807
808 /* not until swrast_dri is supported */
809 if (disp->Options.UseFallback)
810 return EGL_FALSE;
811
812 /* Nothing to initialize for a test only display */
813 if (disp->Options.TestOnly)
814 return EGL_TRUE;
815
816 switch (disp->Platform) {
817 #ifdef HAVE_SURFACELESS_PLATFORM
818 case _EGL_PLATFORM_SURFACELESS:
819 ret = dri2_initialize_surfaceless(drv, disp);
820 break;
821 #endif
822 #ifdef HAVE_X11_PLATFORM
823 case _EGL_PLATFORM_X11:
824 ret = dri2_initialize_x11(drv, disp);
825 break;
826 #endif
827 #ifdef HAVE_DRM_PLATFORM
828 case _EGL_PLATFORM_DRM:
829 ret = dri2_initialize_drm(drv, disp);
830 break;
831 #endif
832 #ifdef HAVE_WAYLAND_PLATFORM
833 case _EGL_PLATFORM_WAYLAND:
834 ret = dri2_initialize_wayland(drv, disp);
835 break;
836 #endif
837 #ifdef HAVE_ANDROID_PLATFORM
838 case _EGL_PLATFORM_ANDROID:
839 ret = dri2_initialize_android(drv, disp);
840 break;
841 #endif
842 default:
843 _eglLog(_EGL_WARNING, "No EGL platform enabled.");
844 return EGL_FALSE;
845 }
846
847 if (ret) {
848 dri2_dpy = dri2_egl_display(disp);
849
850 if (!dri2_dpy) {
851 return EGL_FALSE;
852 }
853
854 dri2_dpy->ref_count++;
855 }
856
857 return ret;
858 }
859
860 /**
861 * Decrement display reference count, and free up display if necessary.
862 */
863 static void
864 dri2_display_release(_EGLDisplay *disp)
865 {
866 struct dri2_egl_display *dri2_dpy;
867 unsigned i;
868
869 if (!disp)
870 return;
871
872 dri2_dpy = dri2_egl_display(disp);
873
874 assert(dri2_dpy->ref_count > 0);
875 dri2_dpy->ref_count--;
876
877 if (dri2_dpy->ref_count > 0)
878 return;
879
880 _eglCleanupDisplay(disp);
881
882 if (dri2_dpy->own_dri_screen)
883 dri2_dpy->core->destroyScreen(dri2_dpy->dri_screen);
884 if (dri2_dpy->fd >= 0)
885 close(dri2_dpy->fd);
886 if (dri2_dpy->driver)
887 dlclose(dri2_dpy->driver);
888 free(dri2_dpy->driver_name);
889
890 #ifdef HAVE_WAYLAND_PLATFORM
891 free(dri2_dpy->device_name);
892 #endif
893
894 switch (disp->Platform) {
895 #ifdef HAVE_X11_PLATFORM
896 case _EGL_PLATFORM_X11:
897 if (dri2_dpy->own_device) {
898 xcb_disconnect(dri2_dpy->conn);
899 }
900 break;
901 #endif
902 #ifdef HAVE_DRM_PLATFORM
903 case _EGL_PLATFORM_DRM:
904 if (dri2_dpy->own_device) {
905 gbm_device_destroy(&dri2_dpy->gbm_dri->base.base);
906 }
907 break;
908 #endif
909 #ifdef HAVE_WAYLAND_PLATFORM
910 case _EGL_PLATFORM_WAYLAND:
911 if (dri2_dpy->wl_drm)
912 wl_drm_destroy(dri2_dpy->wl_drm);
913 if (dri2_dpy->wl_shm)
914 wl_shm_destroy(dri2_dpy->wl_shm);
915 wl_registry_destroy(dri2_dpy->wl_registry);
916 wl_event_queue_destroy(dri2_dpy->wl_queue);
917 if (dri2_dpy->own_device) {
918 wl_display_disconnect(dri2_dpy->wl_dpy);
919 }
920 break;
921 #endif
922 default:
923 break;
924 }
925
926 /* The drm platform does not create the screen/driver_configs but reuses
927 * the ones from the gbm device. As such the gbm itself is responsible
928 * for the cleanup.
929 */
930 if (disp->Platform != _EGL_PLATFORM_DRM) {
931 for (i = 0; dri2_dpy->driver_configs[i]; i++)
932 free((__DRIconfig *) dri2_dpy->driver_configs[i]);
933 free(dri2_dpy->driver_configs);
934 }
935 free(dri2_dpy);
936 disp->DriverData = NULL;
937 }
938
939 /**
940 * Called via eglTerminate(), drv->API.Terminate().
941 *
942 * This must be guaranteed to be called exactly once, even if eglTerminate is
943 * called many times (without a eglInitialize in between).
944 */
945 static EGLBoolean
946 dri2_terminate(_EGLDriver *drv, _EGLDisplay *disp)
947 {
948 /* Release all non-current Context/Surfaces. */
949 _eglReleaseDisplayResources(drv, disp);
950
951 dri2_display_release(disp);
952
953 return EGL_TRUE;
954 }
955
956 /**
957 * Set the error code after a call to
958 * dri2_egl_display::dri2::createContextAttribs.
959 */
960 static void
961 dri2_create_context_attribs_error(int dri_error)
962 {
963 EGLint egl_error;
964
965 switch (dri_error) {
966 case __DRI_CTX_ERROR_SUCCESS:
967 return;
968
969 case __DRI_CTX_ERROR_NO_MEMORY:
970 egl_error = EGL_BAD_ALLOC;
971 break;
972
973 /* From the EGL_KHR_create_context spec, section "Errors":
974 *
975 * * If <config> does not support a client API context compatible
976 * with the requested API major and minor version, [...] context flags,
977 * and context reset notification behavior (for client API types where
978 * these attributes are supported), then an EGL_BAD_MATCH error is
979 * generated.
980 *
981 * * If an OpenGL ES context is requested and the values for
982 * attributes EGL_CONTEXT_MAJOR_VERSION_KHR and
983 * EGL_CONTEXT_MINOR_VERSION_KHR specify an OpenGL ES version that
984 * is not defined, than an EGL_BAD_MATCH error is generated.
985 *
986 * * If an OpenGL context is requested, the requested version is
987 * greater than 3.2, and the value for attribute
988 * EGL_CONTEXT_OPENGL_PROFILE_MASK_KHR has no bits set; has any
989 * bits set other than EGL_CONTEXT_OPENGL_CORE_PROFILE_BIT_KHR and
990 * EGL_CONTEXT_OPENGL_COMPATIBILITY_PROFILE_BIT_KHR; has more than
991 * one of these bits set; or if the implementation does not support
992 * the requested profile, then an EGL_BAD_MATCH error is generated.
993 */
994 case __DRI_CTX_ERROR_BAD_API:
995 case __DRI_CTX_ERROR_BAD_VERSION:
996 case __DRI_CTX_ERROR_BAD_FLAG:
997 egl_error = EGL_BAD_MATCH;
998 break;
999
1000 /* From the EGL_KHR_create_context spec, section "Errors":
1001 *
1002 * * If an attribute name or attribute value in <attrib_list> is not
1003 * recognized (including unrecognized bits in bitmask attributes),
1004 * then an EGL_BAD_ATTRIBUTE error is generated."
1005 */
1006 case __DRI_CTX_ERROR_UNKNOWN_ATTRIBUTE:
1007 case __DRI_CTX_ERROR_UNKNOWN_FLAG:
1008 egl_error = EGL_BAD_ATTRIBUTE;
1009 break;
1010
1011 default:
1012 assert(0);
1013 egl_error = EGL_BAD_MATCH;
1014 break;
1015 }
1016
1017 _eglError(egl_error, "dri2_create_context");
1018 }
1019
1020 static bool
1021 dri2_fill_context_attribs(struct dri2_egl_context *dri2_ctx,
1022 struct dri2_egl_display *dri2_dpy,
1023 uint32_t *ctx_attribs,
1024 unsigned *num_attribs)
1025 {
1026 int pos = 0;
1027
1028 assert(*num_attribs >= 8);
1029
1030 ctx_attribs[pos++] = __DRI_CTX_ATTRIB_MAJOR_VERSION;
1031 ctx_attribs[pos++] = dri2_ctx->base.ClientMajorVersion;
1032 ctx_attribs[pos++] = __DRI_CTX_ATTRIB_MINOR_VERSION;
1033 ctx_attribs[pos++] = dri2_ctx->base.ClientMinorVersion;
1034
1035 if (dri2_ctx->base.Flags != 0) {
1036 /* If the implementation doesn't support the __DRI2_ROBUSTNESS
1037 * extension, don't even try to send it the robust-access flag.
1038 * It may explode. Instead, generate the required EGL error here.
1039 */
1040 if ((dri2_ctx->base.Flags & EGL_CONTEXT_OPENGL_ROBUST_ACCESS_BIT_KHR) != 0
1041 && !dri2_dpy->robustness) {
1042 _eglError(EGL_BAD_MATCH, "eglCreateContext");
1043 return false;
1044 }
1045
1046 ctx_attribs[pos++] = __DRI_CTX_ATTRIB_FLAGS;
1047 ctx_attribs[pos++] = dri2_ctx->base.Flags;
1048 }
1049
1050 if (dri2_ctx->base.ResetNotificationStrategy != EGL_NO_RESET_NOTIFICATION_KHR) {
1051 /* If the implementation doesn't support the __DRI2_ROBUSTNESS
1052 * extension, don't even try to send it a reset strategy. It may
1053 * explode. Instead, generate the required EGL error here.
1054 */
1055 if (!dri2_dpy->robustness) {
1056 _eglError(EGL_BAD_CONFIG, "eglCreateContext");
1057 return false;
1058 }
1059
1060 ctx_attribs[pos++] = __DRI_CTX_ATTRIB_RESET_STRATEGY;
1061 ctx_attribs[pos++] = __DRI_CTX_RESET_LOSE_CONTEXT;
1062 }
1063
1064 *num_attribs = pos;
1065
1066 return true;
1067 }
1068
1069 /**
1070 * Called via eglCreateContext(), drv->API.CreateContext().
1071 */
1072 static _EGLContext *
1073 dri2_create_context(_EGLDriver *drv, _EGLDisplay *disp, _EGLConfig *conf,
1074 _EGLContext *share_list, const EGLint *attrib_list)
1075 {
1076 struct dri2_egl_context *dri2_ctx;
1077 struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
1078 struct dri2_egl_context *dri2_ctx_shared = dri2_egl_context(share_list);
1079 __DRIcontext *shared =
1080 dri2_ctx_shared ? dri2_ctx_shared->dri_context : NULL;
1081 struct dri2_egl_config *dri2_config = dri2_egl_config(conf);
1082 const __DRIconfig *dri_config;
1083 int api;
1084
1085 (void) drv;
1086
1087 dri2_ctx = malloc(sizeof *dri2_ctx);
1088 if (!dri2_ctx) {
1089 _eglError(EGL_BAD_ALLOC, "eglCreateContext");
1090 return NULL;
1091 }
1092
1093 if (!_eglInitContext(&dri2_ctx->base, disp, conf, attrib_list))
1094 goto cleanup;
1095
1096 switch (dri2_ctx->base.ClientAPI) {
1097 case EGL_OPENGL_ES_API:
1098 switch (dri2_ctx->base.ClientMajorVersion) {
1099 case 1:
1100 api = __DRI_API_GLES;
1101 break;
1102 case 2:
1103 api = __DRI_API_GLES2;
1104 break;
1105 case 3:
1106 api = __DRI_API_GLES3;
1107 break;
1108 default:
1109 _eglError(EGL_BAD_PARAMETER, "eglCreateContext");
1110 free(dri2_ctx);
1111 return NULL;
1112 }
1113 break;
1114 case EGL_OPENGL_API:
1115 if ((dri2_ctx->base.ClientMajorVersion >= 4
1116 || (dri2_ctx->base.ClientMajorVersion == 3
1117 && dri2_ctx->base.ClientMinorVersion >= 2))
1118 && dri2_ctx->base.Profile == EGL_CONTEXT_OPENGL_CORE_PROFILE_BIT_KHR)
1119 api = __DRI_API_OPENGL_CORE;
1120 else
1121 api = __DRI_API_OPENGL;
1122 break;
1123 default:
1124 _eglError(EGL_BAD_PARAMETER, "eglCreateContext");
1125 free(dri2_ctx);
1126 return NULL;
1127 }
1128
1129 if (conf != NULL) {
1130 /* The config chosen here isn't necessarily
1131 * used for surfaces later.
1132 * A pixmap surface will use the single config.
1133 * This opportunity depends on disabling the
1134 * doubleBufferMode check in
1135 * src/mesa/main/context.c:check_compatible()
1136 */
1137 if (dri2_config->dri_double_config[0])
1138 dri_config = dri2_config->dri_double_config[0];
1139 else
1140 dri_config = dri2_config->dri_single_config[0];
1141
1142 /* EGL_WINDOW_BIT is set only when there is a dri_double_config. This
1143 * makes sure the back buffer will always be used.
1144 */
1145 if (conf->SurfaceType & EGL_WINDOW_BIT)
1146 dri2_ctx->base.WindowRenderBuffer = EGL_BACK_BUFFER;
1147 }
1148 else
1149 dri_config = NULL;
1150
1151 if (dri2_dpy->image_driver) {
1152 unsigned error;
1153 unsigned num_attribs = 8;
1154 uint32_t ctx_attribs[8];
1155
1156 if (!dri2_fill_context_attribs(dri2_ctx, dri2_dpy, ctx_attribs,
1157 &num_attribs))
1158 goto cleanup;
1159
1160 dri2_ctx->dri_context =
1161 dri2_dpy->image_driver->createContextAttribs(dri2_dpy->dri_screen,
1162 api,
1163 dri_config,
1164 shared,
1165 num_attribs / 2,
1166 ctx_attribs,
1167 & error,
1168 dri2_ctx);
1169 dri2_create_context_attribs_error(error);
1170 } else if (dri2_dpy->dri2) {
1171 if (dri2_dpy->dri2->base.version >= 3) {
1172 unsigned error;
1173 unsigned num_attribs = 8;
1174 uint32_t ctx_attribs[8];
1175
1176 if (!dri2_fill_context_attribs(dri2_ctx, dri2_dpy, ctx_attribs,
1177 &num_attribs))
1178 goto cleanup;
1179
1180 dri2_ctx->dri_context =
1181 dri2_dpy->dri2->createContextAttribs(dri2_dpy->dri_screen,
1182 api,
1183 dri_config,
1184 shared,
1185 num_attribs / 2,
1186 ctx_attribs,
1187 & error,
1188 dri2_ctx);
1189 dri2_create_context_attribs_error(error);
1190 } else {
1191 dri2_ctx->dri_context =
1192 dri2_dpy->dri2->createNewContextForAPI(dri2_dpy->dri_screen,
1193 api,
1194 dri_config,
1195 shared,
1196 dri2_ctx);
1197 }
1198 } else {
1199 assert(dri2_dpy->swrast);
1200 if (dri2_dpy->swrast->base.version >= 3) {
1201 unsigned error;
1202 unsigned num_attribs = 8;
1203 uint32_t ctx_attribs[8];
1204
1205 if (!dri2_fill_context_attribs(dri2_ctx, dri2_dpy, ctx_attribs,
1206 &num_attribs))
1207 goto cleanup;
1208
1209 dri2_ctx->dri_context =
1210 dri2_dpy->swrast->createContextAttribs(dri2_dpy->dri_screen,
1211 api,
1212 dri_config,
1213 shared,
1214 num_attribs / 2,
1215 ctx_attribs,
1216 & error,
1217 dri2_ctx);
1218 dri2_create_context_attribs_error(error);
1219 } else {
1220 dri2_ctx->dri_context =
1221 dri2_dpy->swrast->createNewContextForAPI(dri2_dpy->dri_screen,
1222 api,
1223 dri_config,
1224 shared,
1225 dri2_ctx);
1226 }
1227 }
1228
1229 if (!dri2_ctx->dri_context)
1230 goto cleanup;
1231
1232 return &dri2_ctx->base;
1233
1234 cleanup:
1235 free(dri2_ctx);
1236 return NULL;
1237 }
1238
1239 /**
1240 * Called via eglDestroyContext(), drv->API.DestroyContext().
1241 */
1242 static EGLBoolean
1243 dri2_destroy_context(_EGLDriver *drv, _EGLDisplay *disp, _EGLContext *ctx)
1244 {
1245 struct dri2_egl_context *dri2_ctx = dri2_egl_context(ctx);
1246 struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
1247
1248 if (_eglPutContext(ctx)) {
1249 dri2_dpy->core->destroyContext(dri2_ctx->dri_context);
1250 free(dri2_ctx);
1251 }
1252
1253 return EGL_TRUE;
1254 }
1255
1256 static EGLBoolean
1257 dri2_destroy_surface(_EGLDriver *drv, _EGLDisplay *dpy, _EGLSurface *surf)
1258 {
1259 struct dri2_egl_display *dri2_dpy = dri2_egl_display(dpy);
1260
1261 if (!_eglPutSurface(surf))
1262 return EGL_TRUE;
1263
1264 return dri2_dpy->vtbl->destroy_surface(drv, dpy, surf);
1265 }
1266
1267 /**
1268 * Called via eglMakeCurrent(), drv->API.MakeCurrent().
1269 */
1270 static EGLBoolean
1271 dri2_make_current(_EGLDriver *drv, _EGLDisplay *disp, _EGLSurface *dsurf,
1272 _EGLSurface *rsurf, _EGLContext *ctx)
1273 {
1274 struct dri2_egl_driver *dri2_drv = dri2_egl_driver(drv);
1275 struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
1276 struct dri2_egl_context *dri2_ctx = dri2_egl_context(ctx);
1277 _EGLContext *old_ctx;
1278 _EGLSurface *old_dsurf, *old_rsurf;
1279 _EGLSurface *tmp_dsurf, *tmp_rsurf;
1280 __DRIdrawable *ddraw, *rdraw;
1281 __DRIcontext *cctx;
1282 EGLBoolean unbind;
1283
1284 if (!dri2_dpy)
1285 return _eglError(EGL_NOT_INITIALIZED, "eglMakeCurrent");
1286
1287 /* make new bindings */
1288 if (!_eglBindContext(ctx, dsurf, rsurf, &old_ctx, &old_dsurf, &old_rsurf)) {
1289 /* _eglBindContext already sets the EGL error (in _eglCheckMakeCurrent) */
1290 return EGL_FALSE;
1291 }
1292
1293 /* flush before context switch */
1294 if (old_ctx)
1295 dri2_drv->glFlush();
1296
1297 ddraw = (dsurf) ? dri2_dpy->vtbl->get_dri_drawable(dsurf) : NULL;
1298 rdraw = (rsurf) ? dri2_dpy->vtbl->get_dri_drawable(rsurf) : NULL;
1299 cctx = (dri2_ctx) ? dri2_ctx->dri_context : NULL;
1300
1301 if (old_ctx) {
1302 __DRIcontext *old_cctx = dri2_egl_context(old_ctx)->dri_context;
1303 dri2_dpy->core->unbindContext(old_cctx);
1304 }
1305
1306 unbind = (cctx == NULL && ddraw == NULL && rdraw == NULL);
1307
1308 if (unbind || dri2_dpy->core->bindContext(cctx, ddraw, rdraw)) {
1309 dri2_destroy_surface(drv, disp, old_dsurf);
1310 dri2_destroy_surface(drv, disp, old_rsurf);
1311
1312 if (!unbind)
1313 dri2_dpy->ref_count++;
1314 if (old_ctx) {
1315 EGLDisplay old_disp = _eglGetDisplayHandle(old_ctx->Resource.Display);
1316 dri2_destroy_context(drv, disp, old_ctx);
1317 dri2_display_release(old_disp);
1318 }
1319
1320 return EGL_TRUE;
1321 } else {
1322 /* undo the previous _eglBindContext */
1323 _eglBindContext(old_ctx, old_dsurf, old_rsurf, &ctx, &tmp_dsurf, &tmp_rsurf);
1324 assert(&dri2_ctx->base == ctx &&
1325 tmp_dsurf == dsurf &&
1326 tmp_rsurf == rsurf);
1327
1328 _eglPutSurface(dsurf);
1329 _eglPutSurface(rsurf);
1330 _eglPutContext(ctx);
1331
1332 _eglPutSurface(old_dsurf);
1333 _eglPutSurface(old_rsurf);
1334 _eglPutContext(old_ctx);
1335
1336 /* dri2_dpy->core->bindContext failed. We cannot tell for sure why, but
1337 * setting the error to EGL_BAD_MATCH is surely better than leaving it
1338 * as EGL_SUCCESS.
1339 */
1340 return _eglError(EGL_BAD_MATCH, "eglMakeCurrent");
1341 }
1342 }
1343
1344 __DRIdrawable *
1345 dri2_surface_get_dri_drawable(_EGLSurface *surf)
1346 {
1347 struct dri2_egl_surface *dri2_surf = dri2_egl_surface(surf);
1348
1349 return dri2_surf->dri_drawable;
1350 }
1351
1352 /*
1353 * Called from eglGetProcAddress() via drv->API.GetProcAddress().
1354 */
1355 static _EGLProc
1356 dri2_get_proc_address(_EGLDriver *drv, const char *procname)
1357 {
1358 struct dri2_egl_driver *dri2_drv = dri2_egl_driver(drv);
1359
1360 return dri2_drv->get_proc_address(procname);
1361 }
1362
1363 static _EGLSurface*
1364 dri2_create_window_surface(_EGLDriver *drv, _EGLDisplay *dpy,
1365 _EGLConfig *conf, void *native_window,
1366 const EGLint *attrib_list)
1367 {
1368 struct dri2_egl_display *dri2_dpy = dri2_egl_display(dpy);
1369 return dri2_dpy->vtbl->create_window_surface(drv, dpy, conf, native_window,
1370 attrib_list);
1371 }
1372
1373 static _EGLSurface*
1374 dri2_create_pixmap_surface(_EGLDriver *drv, _EGLDisplay *dpy,
1375 _EGLConfig *conf, void *native_pixmap,
1376 const EGLint *attrib_list)
1377 {
1378 struct dri2_egl_display *dri2_dpy = dri2_egl_display(dpy);
1379 return dri2_dpy->vtbl->create_pixmap_surface(drv, dpy, conf, native_pixmap,
1380 attrib_list);
1381 }
1382
1383 static _EGLSurface*
1384 dri2_create_pbuffer_surface(_EGLDriver *drv, _EGLDisplay *dpy,
1385 _EGLConfig *conf, const EGLint *attrib_list)
1386 {
1387 struct dri2_egl_display *dri2_dpy = dri2_egl_display(dpy);
1388 return dri2_dpy->vtbl->create_pbuffer_surface(drv, dpy, conf, attrib_list);
1389 }
1390
1391 static EGLBoolean
1392 dri2_swap_interval(_EGLDriver *drv, _EGLDisplay *dpy, _EGLSurface *surf,
1393 EGLint interval)
1394 {
1395 struct dri2_egl_display *dri2_dpy = dri2_egl_display(dpy);
1396 return dri2_dpy->vtbl->swap_interval(drv, dpy, surf, interval);
1397 }
1398
1399 /**
1400 * Asks the client API to flush any rendering to the drawable so that we can
1401 * do our swapbuffers.
1402 */
1403 void
1404 dri2_flush_drawable_for_swapbuffers(_EGLDisplay *disp, _EGLSurface *draw)
1405 {
1406 struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
1407 __DRIdrawable *dri_drawable = dri2_dpy->vtbl->get_dri_drawable(draw);
1408
1409 if (dri2_dpy->flush) {
1410 if (dri2_dpy->flush->base.version >= 4) {
1411 /* We know there's a current context because:
1412 *
1413 * "If surface is not bound to the calling thread’s current
1414 * context, an EGL_BAD_SURFACE error is generated."
1415 */
1416 _EGLContext *ctx = _eglGetCurrentContext();
1417 struct dri2_egl_context *dri2_ctx = dri2_egl_context(ctx);
1418
1419 /* From the EGL 1.4 spec (page 52):
1420 *
1421 * "The contents of ancillary buffers are always undefined
1422 * after calling eglSwapBuffers."
1423 */
1424 dri2_dpy->flush->flush_with_flags(dri2_ctx->dri_context,
1425 dri_drawable,
1426 __DRI2_FLUSH_DRAWABLE |
1427 __DRI2_FLUSH_INVALIDATE_ANCILLARY,
1428 __DRI2_THROTTLE_SWAPBUFFER);
1429 } else {
1430 dri2_dpy->flush->flush(dri_drawable);
1431 }
1432 }
1433 }
1434
1435 static EGLBoolean
1436 dri2_swap_buffers(_EGLDriver *drv, _EGLDisplay *dpy, _EGLSurface *surf)
1437 {
1438 struct dri2_egl_display *dri2_dpy = dri2_egl_display(dpy);
1439 return dri2_dpy->vtbl->swap_buffers(drv, dpy, surf);
1440 }
1441
1442 static EGLBoolean
1443 dri2_swap_buffers_with_damage(_EGLDriver *drv, _EGLDisplay *dpy,
1444 _EGLSurface *surf,
1445 const EGLint *rects, EGLint n_rects)
1446 {
1447 struct dri2_egl_display *dri2_dpy = dri2_egl_display(dpy);
1448 return dri2_dpy->vtbl->swap_buffers_with_damage(drv, dpy, surf,
1449 rects, n_rects);
1450 }
1451
1452 static EGLBoolean
1453 dri2_swap_buffers_region(_EGLDriver *drv, _EGLDisplay *dpy, _EGLSurface *surf,
1454 EGLint numRects, const EGLint *rects)
1455 {
1456 struct dri2_egl_display *dri2_dpy = dri2_egl_display(dpy);
1457 return dri2_dpy->vtbl->swap_buffers_region(drv, dpy, surf, numRects, rects);
1458 }
1459
1460 static EGLBoolean
1461 dri2_post_sub_buffer(_EGLDriver *drv, _EGLDisplay *dpy, _EGLSurface *surf,
1462 EGLint x, EGLint y, EGLint width, EGLint height)
1463 {
1464 struct dri2_egl_display *dri2_dpy = dri2_egl_display(dpy);
1465 return dri2_dpy->vtbl->post_sub_buffer(drv, dpy, surf, x, y, width, height);
1466 }
1467
1468 static EGLBoolean
1469 dri2_copy_buffers(_EGLDriver *drv, _EGLDisplay *dpy, _EGLSurface *surf,
1470 void *native_pixmap_target)
1471 {
1472 struct dri2_egl_display *dri2_dpy = dri2_egl_display(dpy);
1473 return dri2_dpy->vtbl->copy_buffers(drv, dpy, surf, native_pixmap_target);
1474 }
1475
1476 static EGLint
1477 dri2_query_buffer_age(_EGLDriver *drv, _EGLDisplay *dpy, _EGLSurface *surf)
1478 {
1479 struct dri2_egl_display *dri2_dpy = dri2_egl_display(dpy);
1480 return dri2_dpy->vtbl->query_buffer_age(drv, dpy, surf);
1481 }
1482
1483 static EGLBoolean
1484 dri2_wait_client(_EGLDriver *drv, _EGLDisplay *disp, _EGLContext *ctx)
1485 {
1486 struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
1487 _EGLSurface *surf = ctx->DrawSurface;
1488 __DRIdrawable *dri_drawable = dri2_dpy->vtbl->get_dri_drawable(surf);
1489
1490 (void) drv;
1491
1492 /* FIXME: If EGL allows frontbuffer rendering for window surfaces,
1493 * we need to copy fake to real here.*/
1494
1495 if (dri2_dpy->flush != NULL)
1496 dri2_dpy->flush->flush(dri_drawable);
1497
1498 return EGL_TRUE;
1499 }
1500
1501 static EGLBoolean
1502 dri2_wait_native(_EGLDriver *drv, _EGLDisplay *disp, EGLint engine)
1503 {
1504 (void) drv;
1505 (void) disp;
1506
1507 if (engine != EGL_CORE_NATIVE_ENGINE)
1508 return _eglError(EGL_BAD_PARAMETER, "eglWaitNative");
1509 /* glXWaitX(); */
1510
1511 return EGL_TRUE;
1512 }
1513
1514 static EGLBoolean
1515 dri2_bind_tex_image(_EGLDriver *drv,
1516 _EGLDisplay *disp, _EGLSurface *surf, EGLint buffer)
1517 {
1518 struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
1519 struct dri2_egl_context *dri2_ctx;
1520 _EGLContext *ctx;
1521 GLint format, target;
1522 __DRIdrawable *dri_drawable = dri2_dpy->vtbl->get_dri_drawable(surf);
1523
1524 ctx = _eglGetCurrentContext();
1525 dri2_ctx = dri2_egl_context(ctx);
1526
1527 if (!_eglBindTexImage(drv, disp, surf, buffer))
1528 return EGL_FALSE;
1529
1530 switch (surf->TextureFormat) {
1531 case EGL_TEXTURE_RGB:
1532 format = __DRI_TEXTURE_FORMAT_RGB;
1533 break;
1534 case EGL_TEXTURE_RGBA:
1535 format = __DRI_TEXTURE_FORMAT_RGBA;
1536 break;
1537 default:
1538 assert(!"Unexpected texture format in dri2_bind_tex_image()");
1539 format = __DRI_TEXTURE_FORMAT_RGBA;
1540 }
1541
1542 switch (surf->TextureTarget) {
1543 case EGL_TEXTURE_2D:
1544 target = GL_TEXTURE_2D;
1545 break;
1546 default:
1547 target = GL_TEXTURE_2D;
1548 assert(!"Unexpected texture target in dri2_bind_tex_image()");
1549 }
1550
1551 (*dri2_dpy->tex_buffer->setTexBuffer2)(dri2_ctx->dri_context,
1552 target, format,
1553 dri_drawable);
1554
1555 return EGL_TRUE;
1556 }
1557
1558 static EGLBoolean
1559 dri2_release_tex_image(_EGLDriver *drv,
1560 _EGLDisplay *disp, _EGLSurface *surf, EGLint buffer)
1561 {
1562 struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
1563 struct dri2_egl_context *dri2_ctx;
1564 _EGLContext *ctx;
1565 GLint target;
1566 __DRIdrawable *dri_drawable = dri2_dpy->vtbl->get_dri_drawable(surf);
1567
1568 ctx = _eglGetCurrentContext();
1569 dri2_ctx = dri2_egl_context(ctx);
1570
1571 if (!_eglReleaseTexImage(drv, disp, surf, buffer))
1572 return EGL_FALSE;
1573
1574 switch (surf->TextureTarget) {
1575 case EGL_TEXTURE_2D:
1576 target = GL_TEXTURE_2D;
1577 break;
1578 default:
1579 assert(0);
1580 }
1581
1582 if (dri2_dpy->tex_buffer->base.version >= 3 &&
1583 dri2_dpy->tex_buffer->releaseTexBuffer != NULL) {
1584 (*dri2_dpy->tex_buffer->releaseTexBuffer)(dri2_ctx->dri_context,
1585 target,
1586 dri_drawable);
1587 }
1588
1589 return EGL_TRUE;
1590 }
1591
1592 static _EGLImage*
1593 dri2_create_image(_EGLDriver *drv, _EGLDisplay *dpy, _EGLContext *ctx,
1594 EGLenum target, EGLClientBuffer buffer,
1595 const EGLint *attr_list)
1596 {
1597 struct dri2_egl_display *dri2_dpy = dri2_egl_display(dpy);
1598 return dri2_dpy->vtbl->create_image(drv, dpy, ctx, target, buffer,
1599 attr_list);
1600 }
1601
1602 static _EGLImage *
1603 dri2_create_image_from_dri(_EGLDisplay *disp, __DRIimage *dri_image)
1604 {
1605 struct dri2_egl_image *dri2_img;
1606
1607 if (dri_image == NULL) {
1608 _eglError(EGL_BAD_ALLOC, "dri2_create_image");
1609 return NULL;
1610 }
1611
1612 dri2_img = malloc(sizeof *dri2_img);
1613 if (!dri2_img) {
1614 _eglError(EGL_BAD_ALLOC, "dri2_create_image");
1615 return NULL;
1616 }
1617
1618 if (!_eglInitImage(&dri2_img->base, disp)) {
1619 free(dri2_img);
1620 return NULL;
1621 }
1622
1623 dri2_img->dri_image = dri_image;
1624
1625 return &dri2_img->base;
1626 }
1627
1628 static _EGLImage *
1629 dri2_create_image_khr_renderbuffer(_EGLDisplay *disp, _EGLContext *ctx,
1630 EGLClientBuffer buffer,
1631 const EGLint *attr_list)
1632 {
1633 struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
1634 struct dri2_egl_context *dri2_ctx = dri2_egl_context(ctx);
1635 GLuint renderbuffer = (GLuint) (uintptr_t) buffer;
1636 __DRIimage *dri_image;
1637
1638 if (renderbuffer == 0) {
1639 _eglError(EGL_BAD_PARAMETER, "dri2_create_image_khr");
1640 return EGL_NO_IMAGE_KHR;
1641 }
1642
1643 dri_image =
1644 dri2_dpy->image->createImageFromRenderbuffer(dri2_ctx->dri_context,
1645 renderbuffer, NULL);
1646
1647 return dri2_create_image_from_dri(disp, dri_image);
1648 }
1649
1650 #ifdef HAVE_WAYLAND_PLATFORM
1651
1652 /* This structure describes how a wl_buffer maps to one or more
1653 * __DRIimages. A wl_drm_buffer stores the wl_drm format code and the
1654 * offsets and strides of the planes in the buffer. This table maps a
1655 * wl_drm format code to a description of the planes in the buffer
1656 * that lets us create a __DRIimage for each of the planes. */
1657
1658 static const struct wl_drm_components_descriptor {
1659 uint32_t dri_components;
1660 EGLint components;
1661 int nplanes;
1662 } wl_drm_components[] = {
1663 { __DRI_IMAGE_COMPONENTS_RGB, EGL_TEXTURE_RGB, 1 },
1664 { __DRI_IMAGE_COMPONENTS_RGBA, EGL_TEXTURE_RGBA, 1 },
1665 { __DRI_IMAGE_COMPONENTS_Y_U_V, EGL_TEXTURE_Y_U_V_WL, 3 },
1666 { __DRI_IMAGE_COMPONENTS_Y_UV, EGL_TEXTURE_Y_UV_WL, 2 },
1667 { __DRI_IMAGE_COMPONENTS_Y_XUXV, EGL_TEXTURE_Y_XUXV_WL, 2 },
1668 };
1669
1670 static _EGLImage *
1671 dri2_create_image_wayland_wl_buffer(_EGLDisplay *disp, _EGLContext *ctx,
1672 EGLClientBuffer _buffer,
1673 const EGLint *attr_list)
1674 {
1675 struct wl_drm_buffer *buffer;
1676 struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
1677 const struct wl_drm_components_descriptor *f;
1678 __DRIimage *dri_image;
1679 _EGLImageAttribs attrs;
1680 EGLint err;
1681 int32_t plane;
1682
1683 buffer = wayland_drm_buffer_get(dri2_dpy->wl_server_drm,
1684 (struct wl_resource *) _buffer);
1685 if (!buffer)
1686 return NULL;
1687
1688 err = _eglParseImageAttribList(&attrs, disp, attr_list);
1689 plane = attrs.PlaneWL;
1690 if (err != EGL_SUCCESS) {
1691 _eglError(EGL_BAD_PARAMETER, "dri2_create_image_wayland_wl_buffer");
1692 return NULL;
1693 }
1694
1695 f = buffer->driver_format;
1696 if (plane < 0 || plane >= f->nplanes) {
1697 _eglError(EGL_BAD_PARAMETER,
1698 "dri2_create_image_wayland_wl_buffer (plane out of bounds)");
1699 return NULL;
1700 }
1701
1702 dri_image = dri2_dpy->image->fromPlanar(buffer->driver_buffer, plane, NULL);
1703
1704 if (dri_image == NULL) {
1705 _eglError(EGL_BAD_PARAMETER, "dri2_create_image_wayland_wl_buffer");
1706 return NULL;
1707 }
1708
1709 return dri2_create_image_from_dri(disp, dri_image);
1710 }
1711 #endif
1712
1713 static EGLBoolean
1714 dri2_get_sync_values_chromium(_EGLDisplay *dpy, _EGLSurface *surf,
1715 EGLuint64KHR *ust, EGLuint64KHR *msc,
1716 EGLuint64KHR *sbc)
1717 {
1718 struct dri2_egl_display *dri2_dpy = dri2_egl_display(dpy);
1719 return dri2_dpy->vtbl->get_sync_values(dpy, surf, ust, msc, sbc);
1720 }
1721
1722 /**
1723 * Set the error code after a call to
1724 * dri2_egl_image::dri_image::createImageFromTexture.
1725 */
1726 static void
1727 dri2_create_image_khr_texture_error(int dri_error)
1728 {
1729 EGLint egl_error;
1730
1731 switch (dri_error) {
1732 case __DRI_IMAGE_ERROR_SUCCESS:
1733 return;
1734
1735 case __DRI_IMAGE_ERROR_BAD_ALLOC:
1736 egl_error = EGL_BAD_ALLOC;
1737 break;
1738
1739 case __DRI_IMAGE_ERROR_BAD_MATCH:
1740 egl_error = EGL_BAD_MATCH;
1741 break;
1742
1743 case __DRI_IMAGE_ERROR_BAD_PARAMETER:
1744 egl_error = EGL_BAD_PARAMETER;
1745 break;
1746
1747 case __DRI_IMAGE_ERROR_BAD_ACCESS:
1748 egl_error = EGL_BAD_ACCESS;
1749 break;
1750
1751 default:
1752 assert(0);
1753 egl_error = EGL_BAD_MATCH;
1754 break;
1755 }
1756
1757 _eglError(egl_error, "dri2_create_image_khr_texture");
1758 }
1759
1760 static _EGLImage *
1761 dri2_create_image_khr_texture(_EGLDisplay *disp, _EGLContext *ctx,
1762 EGLenum target,
1763 EGLClientBuffer buffer,
1764 const EGLint *attr_list)
1765 {
1766 struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
1767 struct dri2_egl_context *dri2_ctx = dri2_egl_context(ctx);
1768 struct dri2_egl_image *dri2_img;
1769 GLuint texture = (GLuint) (uintptr_t) buffer;
1770 _EGLImageAttribs attrs;
1771 GLuint depth;
1772 GLenum gl_target;
1773 unsigned error;
1774
1775 if (texture == 0) {
1776 _eglError(EGL_BAD_PARAMETER, "dri2_create_image_khr");
1777 return EGL_NO_IMAGE_KHR;
1778 }
1779
1780 if (_eglParseImageAttribList(&attrs, disp, attr_list) != EGL_SUCCESS)
1781 return EGL_NO_IMAGE_KHR;
1782
1783 switch (target) {
1784 case EGL_GL_TEXTURE_2D_KHR:
1785 depth = 0;
1786 gl_target = GL_TEXTURE_2D;
1787 break;
1788 case EGL_GL_TEXTURE_3D_KHR:
1789 if (disp->Extensions.KHR_gl_texture_3D_image) {
1790 depth = attrs.GLTextureZOffset;
1791 gl_target = GL_TEXTURE_3D;
1792 break;
1793 }
1794 else {
1795 _eglError(EGL_BAD_PARAMETER, "dri2_create_image_khr");
1796 return EGL_NO_IMAGE_KHR;
1797 }
1798 case EGL_GL_TEXTURE_CUBE_MAP_POSITIVE_X_KHR:
1799 case EGL_GL_TEXTURE_CUBE_MAP_NEGATIVE_X_KHR:
1800 case EGL_GL_TEXTURE_CUBE_MAP_POSITIVE_Y_KHR:
1801 case EGL_GL_TEXTURE_CUBE_MAP_NEGATIVE_Y_KHR:
1802 case EGL_GL_TEXTURE_CUBE_MAP_POSITIVE_Z_KHR:
1803 case EGL_GL_TEXTURE_CUBE_MAP_NEGATIVE_Z_KHR:
1804 depth = target - EGL_GL_TEXTURE_CUBE_MAP_POSITIVE_X_KHR;
1805 gl_target = GL_TEXTURE_CUBE_MAP;
1806 break;
1807 default:
1808 _eglError(EGL_BAD_PARAMETER, "dri2_create_image_khr");
1809 return EGL_NO_IMAGE_KHR;
1810 }
1811
1812 dri2_img = malloc(sizeof *dri2_img);
1813 if (!dri2_img) {
1814 _eglError(EGL_BAD_ALLOC, "dri2_create_image_khr");
1815 return EGL_NO_IMAGE_KHR;
1816 }
1817
1818 if (!_eglInitImage(&dri2_img->base, disp)) {
1819 _eglError(EGL_BAD_ALLOC, "dri2_create_image_khr");
1820 free(dri2_img);
1821 return EGL_NO_IMAGE_KHR;
1822 }
1823
1824 dri2_img->dri_image =
1825 dri2_dpy->image->createImageFromTexture(dri2_ctx->dri_context,
1826 gl_target,
1827 texture,
1828 depth,
1829 attrs.GLTextureLevel,
1830 &error,
1831 dri2_img);
1832 dri2_create_image_khr_texture_error(error);
1833
1834 if (!dri2_img->dri_image) {
1835 free(dri2_img);
1836 return EGL_NO_IMAGE_KHR;
1837 }
1838 return &dri2_img->base;
1839 }
1840
1841 static EGLBoolean
1842 dri2_query_surface(_EGLDriver *drv, _EGLDisplay *dpy, _EGLSurface *surf,
1843 EGLint attribute, EGLint *value)
1844 {
1845 struct dri2_egl_display *dri2_dpy = dri2_egl_display(dpy);
1846 if (!dri2_dpy->vtbl->query_surface)
1847 return _eglQuerySurface(drv, dpy, surf, attribute, value);
1848 return dri2_dpy->vtbl->query_surface(drv, dpy, surf, attribute, value);
1849 }
1850
1851 static struct wl_buffer*
1852 dri2_create_wayland_buffer_from_image(_EGLDriver *drv, _EGLDisplay *dpy,
1853 _EGLImage *img)
1854 {
1855 struct dri2_egl_display *dri2_dpy = dri2_egl_display(dpy);
1856 return dri2_dpy->vtbl->create_wayland_buffer_from_image(drv, dpy, img);
1857 }
1858
1859 #ifdef HAVE_LIBDRM
1860 static _EGLImage *
1861 dri2_create_image_mesa_drm_buffer(_EGLDisplay *disp, _EGLContext *ctx,
1862 EGLClientBuffer buffer, const EGLint *attr_list)
1863 {
1864 struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
1865 EGLint format, name, pitch, err;
1866 _EGLImageAttribs attrs;
1867 __DRIimage *dri_image;
1868
1869 name = (EGLint) (uintptr_t) buffer;
1870
1871 err = _eglParseImageAttribList(&attrs, disp, attr_list);
1872 if (err != EGL_SUCCESS)
1873 return NULL;
1874
1875 if (attrs.Width <= 0 || attrs.Height <= 0 ||
1876 attrs.DRMBufferStrideMESA <= 0) {
1877 _eglError(EGL_BAD_PARAMETER,
1878 "bad width, height or stride");
1879 return NULL;
1880 }
1881
1882 switch (attrs.DRMBufferFormatMESA) {
1883 case EGL_DRM_BUFFER_FORMAT_ARGB32_MESA:
1884 format = __DRI_IMAGE_FORMAT_ARGB8888;
1885 pitch = attrs.DRMBufferStrideMESA;
1886 break;
1887 default:
1888 _eglError(EGL_BAD_PARAMETER,
1889 "dri2_create_image_khr: unsupported pixmap depth");
1890 return NULL;
1891 }
1892
1893 dri_image =
1894 dri2_dpy->image->createImageFromName(dri2_dpy->dri_screen,
1895 attrs.Width,
1896 attrs.Height,
1897 format,
1898 name,
1899 pitch,
1900 NULL);
1901
1902 return dri2_create_image_from_dri(disp, dri_image);
1903 }
1904
1905 static EGLBoolean
1906 dri2_check_dma_buf_attribs(const _EGLImageAttribs *attrs)
1907 {
1908 unsigned i;
1909
1910 /**
1911 * The spec says:
1912 *
1913 * "Required attributes and their values are as follows:
1914 *
1915 * * EGL_WIDTH & EGL_HEIGHT: The logical dimensions of the buffer in pixels
1916 *
1917 * * EGL_LINUX_DRM_FOURCC_EXT: The pixel format of the buffer, as specified
1918 * by drm_fourcc.h and used as the pixel_format parameter of the
1919 * drm_mode_fb_cmd2 ioctl."
1920 *
1921 * and
1922 *
1923 * "* If <target> is EGL_LINUX_DMA_BUF_EXT, and the list of attributes is
1924 * incomplete, EGL_BAD_PARAMETER is generated."
1925 */
1926 if (attrs->Width <= 0 || attrs->Height <= 0 ||
1927 !attrs->DMABufFourCC.IsPresent) {
1928 _eglError(EGL_BAD_PARAMETER, "attribute(s) missing");
1929 return EGL_FALSE;
1930 }
1931
1932 /**
1933 * Also:
1934 *
1935 * "If <target> is EGL_LINUX_DMA_BUF_EXT and one or more of the values
1936 * specified for a plane's pitch or offset isn't supported by EGL,
1937 * EGL_BAD_ACCESS is generated."
1938 */
1939 for (i = 0; i < ARRAY_SIZE(attrs->DMABufPlanePitches); ++i) {
1940 if (attrs->DMABufPlanePitches[i].IsPresent &&
1941 attrs->DMABufPlanePitches[i].Value <= 0) {
1942 _eglError(EGL_BAD_ACCESS, "invalid pitch");
1943 return EGL_FALSE;
1944 }
1945 }
1946
1947 return EGL_TRUE;
1948 }
1949
1950 /* Returns the total number of file descriptors. Zero indicates an error. */
1951 static unsigned
1952 dri2_check_dma_buf_format(const _EGLImageAttribs *attrs)
1953 {
1954 unsigned i, plane_n;
1955
1956 switch (attrs->DMABufFourCC.Value) {
1957 case DRM_FORMAT_R8:
1958 case DRM_FORMAT_RG88:
1959 case DRM_FORMAT_GR88:
1960 case DRM_FORMAT_RGB332:
1961 case DRM_FORMAT_BGR233:
1962 case DRM_FORMAT_XRGB4444:
1963 case DRM_FORMAT_XBGR4444:
1964 case DRM_FORMAT_RGBX4444:
1965 case DRM_FORMAT_BGRX4444:
1966 case DRM_FORMAT_ARGB4444:
1967 case DRM_FORMAT_ABGR4444:
1968 case DRM_FORMAT_RGBA4444:
1969 case DRM_FORMAT_BGRA4444:
1970 case DRM_FORMAT_XRGB1555:
1971 case DRM_FORMAT_XBGR1555:
1972 case DRM_FORMAT_RGBX5551:
1973 case DRM_FORMAT_BGRX5551:
1974 case DRM_FORMAT_ARGB1555:
1975 case DRM_FORMAT_ABGR1555:
1976 case DRM_FORMAT_RGBA5551:
1977 case DRM_FORMAT_BGRA5551:
1978 case DRM_FORMAT_RGB565:
1979 case DRM_FORMAT_BGR565:
1980 case DRM_FORMAT_RGB888:
1981 case DRM_FORMAT_BGR888:
1982 case DRM_FORMAT_XRGB8888:
1983 case DRM_FORMAT_XBGR8888:
1984 case DRM_FORMAT_RGBX8888:
1985 case DRM_FORMAT_BGRX8888:
1986 case DRM_FORMAT_ARGB8888:
1987 case DRM_FORMAT_ABGR8888:
1988 case DRM_FORMAT_RGBA8888:
1989 case DRM_FORMAT_BGRA8888:
1990 case DRM_FORMAT_XRGB2101010:
1991 case DRM_FORMAT_XBGR2101010:
1992 case DRM_FORMAT_RGBX1010102:
1993 case DRM_FORMAT_BGRX1010102:
1994 case DRM_FORMAT_ARGB2101010:
1995 case DRM_FORMAT_ABGR2101010:
1996 case DRM_FORMAT_RGBA1010102:
1997 case DRM_FORMAT_BGRA1010102:
1998 case DRM_FORMAT_YUYV:
1999 case DRM_FORMAT_YVYU:
2000 case DRM_FORMAT_UYVY:
2001 case DRM_FORMAT_VYUY:
2002 plane_n = 1;
2003 break;
2004 case DRM_FORMAT_NV12:
2005 case DRM_FORMAT_NV21:
2006 case DRM_FORMAT_NV16:
2007 case DRM_FORMAT_NV61:
2008 plane_n = 2;
2009 break;
2010 case DRM_FORMAT_YUV410:
2011 case DRM_FORMAT_YVU410:
2012 case DRM_FORMAT_YUV411:
2013 case DRM_FORMAT_YVU411:
2014 case DRM_FORMAT_YUV420:
2015 case DRM_FORMAT_YVU420:
2016 case DRM_FORMAT_YUV422:
2017 case DRM_FORMAT_YVU422:
2018 case DRM_FORMAT_YUV444:
2019 case DRM_FORMAT_YVU444:
2020 plane_n = 3;
2021 break;
2022 default:
2023 _eglError(EGL_BAD_ATTRIBUTE, "invalid format");
2024 return 0;
2025 }
2026
2027 /**
2028 * The spec says:
2029 *
2030 * "* If <target> is EGL_LINUX_DMA_BUF_EXT, and the list of attributes is
2031 * incomplete, EGL_BAD_PARAMETER is generated."
2032 */
2033 for (i = 0; i < plane_n; ++i) {
2034 if (!attrs->DMABufPlaneFds[i].IsPresent ||
2035 !attrs->DMABufPlaneOffsets[i].IsPresent ||
2036 !attrs->DMABufPlanePitches[i].IsPresent) {
2037 _eglError(EGL_BAD_PARAMETER, "plane attribute(s) missing");
2038 return 0;
2039 }
2040 }
2041
2042 /**
2043 * The spec also says:
2044 *
2045 * "If <target> is EGL_LINUX_DMA_BUF_EXT, and the EGL_LINUX_DRM_FOURCC_EXT
2046 * attribute indicates a single-plane format, EGL_BAD_ATTRIBUTE is
2047 * generated if any of the EGL_DMA_BUF_PLANE1_* or EGL_DMA_BUF_PLANE2_*
2048 * attributes are specified."
2049 */
2050 for (i = plane_n; i < 3; ++i) {
2051 if (attrs->DMABufPlaneFds[i].IsPresent ||
2052 attrs->DMABufPlaneOffsets[i].IsPresent ||
2053 attrs->DMABufPlanePitches[i].IsPresent) {
2054 _eglError(EGL_BAD_ATTRIBUTE, "too many plane attributes");
2055 return 0;
2056 }
2057 }
2058
2059 return plane_n;
2060 }
2061
2062 /**
2063 * The spec says:
2064 *
2065 * "If eglCreateImageKHR is successful for a EGL_LINUX_DMA_BUF_EXT target, the
2066 * EGL will take a reference to the dma_buf(s) which it will release at any
2067 * time while the EGLDisplay is initialized. It is the responsibility of the
2068 * application to close the dma_buf file descriptors."
2069 *
2070 * Therefore we must never close or otherwise modify the file descriptors.
2071 */
2072 _EGLImage *
2073 dri2_create_image_dma_buf(_EGLDisplay *disp, _EGLContext *ctx,
2074 EGLClientBuffer buffer, const EGLint *attr_list)
2075 {
2076 struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
2077 _EGLImage *res;
2078 EGLint err;
2079 _EGLImageAttribs attrs;
2080 __DRIimage *dri_image;
2081 unsigned num_fds;
2082 unsigned i;
2083 int fds[3];
2084 int pitches[3];
2085 int offsets[3];
2086 unsigned error;
2087
2088 /**
2089 * The spec says:
2090 *
2091 * ""* If <target> is EGL_LINUX_DMA_BUF_EXT and <buffer> is not NULL, the
2092 * error EGL_BAD_PARAMETER is generated."
2093 */
2094 if (buffer != NULL) {
2095 _eglError(EGL_BAD_PARAMETER, "buffer not NULL");
2096 return NULL;
2097 }
2098
2099 err = _eglParseImageAttribList(&attrs, disp, attr_list);
2100 if (err != EGL_SUCCESS) {
2101 _eglError(err, "bad attribute");
2102 return NULL;
2103 }
2104
2105 if (!dri2_check_dma_buf_attribs(&attrs))
2106 return NULL;
2107
2108 num_fds = dri2_check_dma_buf_format(&attrs);
2109 if (!num_fds)
2110 return NULL;
2111
2112 for (i = 0; i < num_fds; ++i) {
2113 fds[i] = attrs.DMABufPlaneFds[i].Value;
2114 pitches[i] = attrs.DMABufPlanePitches[i].Value;
2115 offsets[i] = attrs.DMABufPlaneOffsets[i].Value;
2116 }
2117
2118 dri_image =
2119 dri2_dpy->image->createImageFromDmaBufs(dri2_dpy->dri_screen,
2120 attrs.Width, attrs.Height, attrs.DMABufFourCC.Value,
2121 fds, num_fds, pitches, offsets,
2122 attrs.DMABufYuvColorSpaceHint.Value,
2123 attrs.DMABufSampleRangeHint.Value,
2124 attrs.DMABufChromaHorizontalSiting.Value,
2125 attrs.DMABufChromaVerticalSiting.Value,
2126 &error,
2127 NULL);
2128 dri2_create_image_khr_texture_error(error);
2129
2130 if (!dri_image)
2131 return EGL_NO_IMAGE_KHR;
2132
2133 res = dri2_create_image_from_dri(disp, dri_image);
2134
2135 return res;
2136 }
2137 static _EGLImage *
2138 dri2_create_drm_image_mesa(_EGLDriver *drv, _EGLDisplay *disp,
2139 const EGLint *attr_list)
2140 {
2141 struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
2142 struct dri2_egl_image *dri2_img;
2143 _EGLImageAttribs attrs;
2144 unsigned int dri_use, valid_mask;
2145 int format;
2146 EGLint err = EGL_SUCCESS;
2147
2148 (void) drv;
2149
2150 dri2_img = malloc(sizeof *dri2_img);
2151 if (!dri2_img) {
2152 _eglError(EGL_BAD_ALLOC, "dri2_create_image_khr");
2153 return EGL_NO_IMAGE_KHR;
2154 }
2155
2156 if (!attr_list) {
2157 err = EGL_BAD_PARAMETER;
2158 goto cleanup_img;
2159 }
2160
2161 if (!_eglInitImage(&dri2_img->base, disp)) {
2162 err = EGL_BAD_PARAMETER;
2163 goto cleanup_img;
2164 }
2165
2166 err = _eglParseImageAttribList(&attrs, disp, attr_list);
2167 if (err != EGL_SUCCESS)
2168 goto cleanup_img;
2169
2170 if (attrs.Width <= 0 || attrs.Height <= 0) {
2171 _eglLog(_EGL_WARNING, "bad width or height (%dx%d)",
2172 attrs.Width, attrs.Height);
2173 goto cleanup_img;
2174 }
2175
2176 switch (attrs.DRMBufferFormatMESA) {
2177 case EGL_DRM_BUFFER_FORMAT_ARGB32_MESA:
2178 format = __DRI_IMAGE_FORMAT_ARGB8888;
2179 break;
2180 default:
2181 _eglLog(_EGL_WARNING, "bad image format value 0x%04x",
2182 attrs.DRMBufferFormatMESA);
2183 goto cleanup_img;
2184 }
2185
2186 valid_mask =
2187 EGL_DRM_BUFFER_USE_SCANOUT_MESA |
2188 EGL_DRM_BUFFER_USE_SHARE_MESA |
2189 EGL_DRM_BUFFER_USE_CURSOR_MESA;
2190 if (attrs.DRMBufferUseMESA & ~valid_mask) {
2191 _eglLog(_EGL_WARNING, "bad image use bit 0x%04x",
2192 attrs.DRMBufferUseMESA & ~valid_mask);
2193 goto cleanup_img;
2194 }
2195
2196 dri_use = 0;
2197 if (attrs.DRMBufferUseMESA & EGL_DRM_BUFFER_USE_SHARE_MESA)
2198 dri_use |= __DRI_IMAGE_USE_SHARE;
2199 if (attrs.DRMBufferUseMESA & EGL_DRM_BUFFER_USE_SCANOUT_MESA)
2200 dri_use |= __DRI_IMAGE_USE_SCANOUT;
2201 if (attrs.DRMBufferUseMESA & EGL_DRM_BUFFER_USE_CURSOR_MESA)
2202 dri_use |= __DRI_IMAGE_USE_CURSOR;
2203
2204 dri2_img->dri_image =
2205 dri2_dpy->image->createImage(dri2_dpy->dri_screen,
2206 attrs.Width, attrs.Height,
2207 format, dri_use, dri2_img);
2208 if (dri2_img->dri_image == NULL) {
2209 err = EGL_BAD_ALLOC;
2210 goto cleanup_img;
2211 }
2212
2213 return &dri2_img->base;
2214
2215 cleanup_img:
2216 free(dri2_img);
2217 _eglError(err, "dri2_create_drm_image_mesa");
2218
2219 return EGL_NO_IMAGE_KHR;
2220 }
2221
2222 static EGLBoolean
2223 dri2_export_drm_image_mesa(_EGLDriver *drv, _EGLDisplay *disp, _EGLImage *img,
2224 EGLint *name, EGLint *handle, EGLint *stride)
2225 {
2226 struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
2227 struct dri2_egl_image *dri2_img = dri2_egl_image(img);
2228
2229 (void) drv;
2230
2231 if (name && !dri2_dpy->image->queryImage(dri2_img->dri_image,
2232 __DRI_IMAGE_ATTRIB_NAME, name)) {
2233 _eglError(EGL_BAD_ALLOC, "dri2_export_drm_image_mesa");
2234 return EGL_FALSE;
2235 }
2236
2237 if (handle)
2238 dri2_dpy->image->queryImage(dri2_img->dri_image,
2239 __DRI_IMAGE_ATTRIB_HANDLE, handle);
2240
2241 if (stride)
2242 dri2_dpy->image->queryImage(dri2_img->dri_image,
2243 __DRI_IMAGE_ATTRIB_STRIDE, stride);
2244
2245 return EGL_TRUE;
2246 }
2247
2248 static EGLBoolean
2249 dri2_export_dma_buf_image_query_mesa(_EGLDriver *drv, _EGLDisplay *disp,
2250 _EGLImage *img,
2251 EGLint *fourcc, EGLint *nplanes,
2252 EGLuint64KHR *modifiers)
2253 {
2254 struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
2255 struct dri2_egl_image *dri2_img = dri2_egl_image(img);
2256
2257 (void) drv;
2258
2259
2260 if (nplanes)
2261 dri2_dpy->image->queryImage(dri2_img->dri_image,
2262 __DRI_IMAGE_ATTRIB_NUM_PLANES, nplanes);
2263 if (fourcc)
2264 dri2_dpy->image->queryImage(dri2_img->dri_image,
2265 __DRI_IMAGE_ATTRIB_FOURCC, fourcc);
2266
2267 if (modifiers)
2268 *modifiers = 0;
2269
2270 return EGL_TRUE;
2271 }
2272
2273 static EGLBoolean
2274 dri2_export_dma_buf_image_mesa(_EGLDriver *drv, _EGLDisplay *disp, _EGLImage *img,
2275 int *fds, EGLint *strides, EGLint *offsets)
2276 {
2277 struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
2278 struct dri2_egl_image *dri2_img = dri2_egl_image(img);
2279
2280 (void) drv;
2281
2282 /* rework later to provide multiple fds/strides/offsets */
2283 if (fds)
2284 dri2_dpy->image->queryImage(dri2_img->dri_image,
2285 __DRI_IMAGE_ATTRIB_FD, fds);
2286
2287 if (strides)
2288 dri2_dpy->image->queryImage(dri2_img->dri_image,
2289 __DRI_IMAGE_ATTRIB_STRIDE, strides);
2290
2291 if (offsets) {
2292 int img_offset;
2293 bool ret = dri2_dpy->image->queryImage(dri2_img->dri_image,
2294 __DRI_IMAGE_ATTRIB_OFFSET, &img_offset);
2295 if (ret)
2296 offsets[0] = img_offset;
2297 else
2298 offsets[0] = 0;
2299 }
2300
2301 return EGL_TRUE;
2302 }
2303
2304 #endif
2305
2306 _EGLImage *
2307 dri2_create_image_khr(_EGLDriver *drv, _EGLDisplay *disp,
2308 _EGLContext *ctx, EGLenum target,
2309 EGLClientBuffer buffer, const EGLint *attr_list)
2310 {
2311 (void) drv;
2312
2313 switch (target) {
2314 case EGL_GL_TEXTURE_2D_KHR:
2315 case EGL_GL_TEXTURE_CUBE_MAP_POSITIVE_X_KHR:
2316 case EGL_GL_TEXTURE_CUBE_MAP_NEGATIVE_X_KHR:
2317 case EGL_GL_TEXTURE_CUBE_MAP_POSITIVE_Y_KHR:
2318 case EGL_GL_TEXTURE_CUBE_MAP_NEGATIVE_Y_KHR:
2319 case EGL_GL_TEXTURE_CUBE_MAP_POSITIVE_Z_KHR:
2320 case EGL_GL_TEXTURE_CUBE_MAP_NEGATIVE_Z_KHR:
2321 return dri2_create_image_khr_texture(disp, ctx, target, buffer, attr_list);
2322 case EGL_GL_TEXTURE_3D_KHR:
2323 if (disp->Extensions.KHR_gl_texture_3D_image) {
2324 return dri2_create_image_khr_texture(disp, ctx, target, buffer, attr_list);
2325 }
2326 else {
2327 _eglError(EGL_BAD_PARAMETER, "dri2_create_image_khr");
2328 return EGL_NO_IMAGE_KHR;
2329 }
2330 case EGL_GL_RENDERBUFFER_KHR:
2331 return dri2_create_image_khr_renderbuffer(disp, ctx, buffer, attr_list);
2332 #ifdef HAVE_LIBDRM
2333 case EGL_DRM_BUFFER_MESA:
2334 return dri2_create_image_mesa_drm_buffer(disp, ctx, buffer, attr_list);
2335 case EGL_LINUX_DMA_BUF_EXT:
2336 return dri2_create_image_dma_buf(disp, ctx, buffer, attr_list);
2337 #endif
2338 #ifdef HAVE_WAYLAND_PLATFORM
2339 case EGL_WAYLAND_BUFFER_WL:
2340 return dri2_create_image_wayland_wl_buffer(disp, ctx, buffer, attr_list);
2341 #endif
2342 default:
2343 _eglError(EGL_BAD_PARAMETER, "dri2_create_image_khr");
2344 return EGL_NO_IMAGE_KHR;
2345 }
2346 }
2347
2348 static EGLBoolean
2349 dri2_destroy_image_khr(_EGLDriver *drv, _EGLDisplay *disp, _EGLImage *image)
2350 {
2351 struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
2352 struct dri2_egl_image *dri2_img = dri2_egl_image(image);
2353
2354 (void) drv;
2355
2356 dri2_dpy->image->destroyImage(dri2_img->dri_image);
2357 free(dri2_img);
2358
2359 return EGL_TRUE;
2360 }
2361
2362 #ifdef HAVE_WAYLAND_PLATFORM
2363
2364 static void
2365 dri2_wl_reference_buffer(void *user_data, uint32_t name, int fd,
2366 struct wl_drm_buffer *buffer)
2367 {
2368 _EGLDisplay *disp = user_data;
2369 struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
2370 __DRIimage *img;
2371 int i, dri_components = 0;
2372
2373 if (fd == -1)
2374 img = dri2_dpy->image->createImageFromNames(dri2_dpy->dri_screen,
2375 buffer->width,
2376 buffer->height,
2377 buffer->format,
2378 (int*)&name, 1,
2379 buffer->stride,
2380 buffer->offset,
2381 NULL);
2382 else
2383 img = dri2_dpy->image->createImageFromFds(dri2_dpy->dri_screen,
2384 buffer->width,
2385 buffer->height,
2386 buffer->format,
2387 &fd, 1,
2388 buffer->stride,
2389 buffer->offset,
2390 NULL);
2391
2392 if (img == NULL)
2393 return;
2394
2395 dri2_dpy->image->queryImage(img, __DRI_IMAGE_ATTRIB_COMPONENTS, &dri_components);
2396
2397 buffer->driver_format = NULL;
2398 for (i = 0; i < ARRAY_SIZE(wl_drm_components); i++)
2399 if (wl_drm_components[i].dri_components == dri_components)
2400 buffer->driver_format = &wl_drm_components[i];
2401
2402 if (buffer->driver_format == NULL)
2403 dri2_dpy->image->destroyImage(img);
2404 else
2405 buffer->driver_buffer = img;
2406 }
2407
2408 static void
2409 dri2_wl_release_buffer(void *user_data, struct wl_drm_buffer *buffer)
2410 {
2411 _EGLDisplay *disp = user_data;
2412 struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
2413
2414 dri2_dpy->image->destroyImage(buffer->driver_buffer);
2415 }
2416
2417 static struct wayland_drm_callbacks wl_drm_callbacks = {
2418 .authenticate = NULL,
2419 .reference_buffer = dri2_wl_reference_buffer,
2420 .release_buffer = dri2_wl_release_buffer
2421 };
2422
2423 static EGLBoolean
2424 dri2_bind_wayland_display_wl(_EGLDriver *drv, _EGLDisplay *disp,
2425 struct wl_display *wl_dpy)
2426 {
2427 struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
2428 int flags = 0;
2429 uint64_t cap;
2430
2431 (void) drv;
2432
2433 if (dri2_dpy->wl_server_drm)
2434 return EGL_FALSE;
2435
2436 wl_drm_callbacks.authenticate =
2437 (int(*)(void *, uint32_t)) dri2_dpy->vtbl->authenticate;
2438
2439 if (drmGetCap(dri2_dpy->fd, DRM_CAP_PRIME, &cap) == 0 &&
2440 cap == (DRM_PRIME_CAP_IMPORT | DRM_PRIME_CAP_EXPORT) &&
2441 dri2_dpy->image->base.version >= 7 &&
2442 dri2_dpy->image->createImageFromFds != NULL)
2443 flags |= WAYLAND_DRM_PRIME;
2444
2445 dri2_dpy->wl_server_drm =
2446 wayland_drm_init(wl_dpy, dri2_dpy->device_name,
2447 &wl_drm_callbacks, disp, flags);
2448
2449 if (!dri2_dpy->wl_server_drm)
2450 return EGL_FALSE;
2451
2452 #ifdef HAVE_DRM_PLATFORM
2453 /* We have to share the wl_drm instance with gbm, so gbm can convert
2454 * wl_buffers to gbm bos. */
2455 if (dri2_dpy->gbm_dri)
2456 dri2_dpy->gbm_dri->wl_drm = dri2_dpy->wl_server_drm;
2457 #endif
2458
2459 return EGL_TRUE;
2460 }
2461
2462 static EGLBoolean
2463 dri2_unbind_wayland_display_wl(_EGLDriver *drv, _EGLDisplay *disp,
2464 struct wl_display *wl_dpy)
2465 {
2466 struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
2467
2468 (void) drv;
2469
2470 if (!dri2_dpy->wl_server_drm)
2471 return EGL_FALSE;
2472
2473 wayland_drm_uninit(dri2_dpy->wl_server_drm);
2474 dri2_dpy->wl_server_drm = NULL;
2475
2476 return EGL_TRUE;
2477 }
2478
2479 static EGLBoolean
2480 dri2_query_wayland_buffer_wl(_EGLDriver *drv, _EGLDisplay *disp,
2481 struct wl_resource *buffer_resource,
2482 EGLint attribute, EGLint *value)
2483 {
2484 struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
2485 struct wl_drm_buffer *buffer;
2486 const struct wl_drm_components_descriptor *format;
2487
2488 buffer = wayland_drm_buffer_get(dri2_dpy->wl_server_drm, buffer_resource);
2489 if (!buffer)
2490 return EGL_FALSE;
2491
2492 format = buffer->driver_format;
2493 switch (attribute) {
2494 case EGL_TEXTURE_FORMAT:
2495 *value = format->components;
2496 return EGL_TRUE;
2497 case EGL_WIDTH:
2498 *value = buffer->width;
2499 return EGL_TRUE;
2500 case EGL_HEIGHT:
2501 *value = buffer->height;
2502 return EGL_TRUE;
2503 }
2504
2505 return EGL_FALSE;
2506 }
2507 #endif
2508
2509 static void
2510 dri2_egl_ref_sync(struct dri2_egl_sync *sync)
2511 {
2512 p_atomic_inc(&sync->refcount);
2513 }
2514
2515 static void
2516 dri2_egl_unref_sync(struct dri2_egl_display *dri2_dpy,
2517 struct dri2_egl_sync *dri2_sync)
2518 {
2519 if (p_atomic_dec_zero(&dri2_sync->refcount)) {
2520 switch (dri2_sync->base.Type) {
2521 case EGL_SYNC_REUSABLE_KHR:
2522 cnd_destroy(&dri2_sync->cond);
2523 break;
2524 case EGL_SYNC_NATIVE_FENCE_ANDROID:
2525 if (dri2_sync->base.SyncFd != EGL_NO_NATIVE_FENCE_FD_ANDROID)
2526 close(dri2_sync->base.SyncFd);
2527 break;
2528 default:
2529 break;
2530 }
2531
2532 if (dri2_sync->fence)
2533 dri2_dpy->fence->destroy_fence(dri2_dpy->dri_screen, dri2_sync->fence);
2534
2535 free(dri2_sync);
2536 }
2537 }
2538
2539 static _EGLSync *
2540 dri2_create_sync(_EGLDriver *drv, _EGLDisplay *dpy,
2541 EGLenum type, const EGLAttrib *attrib_list)
2542 {
2543 _EGLContext *ctx = _eglGetCurrentContext();
2544 struct dri2_egl_display *dri2_dpy = dri2_egl_display(dpy);
2545 struct dri2_egl_context *dri2_ctx = dri2_egl_context(ctx);
2546 struct dri2_egl_sync *dri2_sync;
2547 EGLint ret;
2548 pthread_condattr_t attr;
2549
2550 dri2_sync = calloc(1, sizeof(struct dri2_egl_sync));
2551 if (!dri2_sync) {
2552 _eglError(EGL_BAD_ALLOC, "eglCreateSyncKHR");
2553 return NULL;
2554 }
2555
2556 if (!_eglInitSync(&dri2_sync->base, dpy, type, attrib_list)) {
2557 free(dri2_sync);
2558 return NULL;
2559 }
2560
2561 switch (type) {
2562 case EGL_SYNC_FENCE_KHR:
2563 dri2_sync->fence = dri2_dpy->fence->create_fence(dri2_ctx->dri_context);
2564 if (!dri2_sync->fence) {
2565 /* Why did it fail? DRI doesn't return an error code, so we emit
2566 * a generic EGL error that doesn't communicate user error.
2567 */
2568 _eglError(EGL_BAD_ALLOC, "eglCreateSyncKHR");
2569 free(dri2_sync);
2570 return NULL;
2571 }
2572 break;
2573
2574 case EGL_SYNC_CL_EVENT_KHR:
2575 dri2_sync->fence = dri2_dpy->fence->get_fence_from_cl_event(
2576 dri2_dpy->dri_screen,
2577 dri2_sync->base.CLEvent);
2578 /* this can only happen if the cl_event passed in is invalid. */
2579 if (!dri2_sync->fence) {
2580 _eglError(EGL_BAD_ATTRIBUTE, "eglCreateSyncKHR");
2581 free(dri2_sync);
2582 return NULL;
2583 }
2584
2585 /* the initial status must be "signaled" if the cl_event is signaled */
2586 if (dri2_dpy->fence->client_wait_sync(dri2_ctx->dri_context,
2587 dri2_sync->fence, 0, 0))
2588 dri2_sync->base.SyncStatus = EGL_SIGNALED_KHR;
2589 break;
2590
2591 case EGL_SYNC_REUSABLE_KHR:
2592 /* intialize attr */
2593 ret = pthread_condattr_init(&attr);
2594
2595 if (ret) {
2596 _eglError(EGL_BAD_ACCESS, "eglCreateSyncKHR");
2597 free(dri2_sync);
2598 return NULL;
2599 }
2600
2601 /* change clock attribute to CLOCK_MONOTONIC */
2602 ret = pthread_condattr_setclock(&attr, CLOCK_MONOTONIC);
2603
2604 if (ret) {
2605 _eglError(EGL_BAD_ACCESS, "eglCreateSyncKHR");
2606 free(dri2_sync);
2607 return NULL;
2608 }
2609
2610 ret = pthread_cond_init(&dri2_sync->cond, &attr);
2611
2612 if (ret) {
2613 _eglError(EGL_BAD_ACCESS, "eglCreateSyncKHR");
2614 free(dri2_sync);
2615 return NULL;
2616 }
2617
2618 /* initial status of reusable sync must be "unsignaled" */
2619 dri2_sync->base.SyncStatus = EGL_UNSIGNALED_KHR;
2620 break;
2621
2622 case EGL_SYNC_NATIVE_FENCE_ANDROID:
2623 if (dri2_dpy->fence->create_fence_fd) {
2624 dri2_sync->fence = dri2_dpy->fence->create_fence_fd(
2625 dri2_ctx->dri_context,
2626 dri2_sync->base.SyncFd);
2627 }
2628 if (!dri2_sync->fence) {
2629 _eglError(EGL_BAD_ATTRIBUTE, "eglCreateSyncKHR");
2630 free(dri2_sync);
2631 return NULL;
2632 }
2633 break;
2634 }
2635
2636 p_atomic_set(&dri2_sync->refcount, 1);
2637 return &dri2_sync->base;
2638 }
2639
2640 static EGLBoolean
2641 dri2_destroy_sync(_EGLDriver *drv, _EGLDisplay *dpy, _EGLSync *sync)
2642 {
2643 struct dri2_egl_display *dri2_dpy = dri2_egl_display(dpy);
2644 struct dri2_egl_sync *dri2_sync = dri2_egl_sync(sync);
2645 EGLint ret = EGL_TRUE;
2646 EGLint err;
2647
2648 /* if type of sync is EGL_SYNC_REUSABLE_KHR and it is not signaled yet,
2649 * then unlock all threads possibly blocked by the reusable sync before
2650 * destroying it.
2651 */
2652 if (dri2_sync->base.Type == EGL_SYNC_REUSABLE_KHR &&
2653 dri2_sync->base.SyncStatus == EGL_UNSIGNALED_KHR) {
2654 dri2_sync->base.SyncStatus = EGL_SIGNALED_KHR;
2655 /* unblock all threads currently blocked by sync */
2656 err = cnd_broadcast(&dri2_sync->cond);
2657
2658 if (err) {
2659 _eglError(EGL_BAD_ACCESS, "eglDestroySyncKHR");
2660 ret = EGL_FALSE;
2661 }
2662 }
2663
2664 dri2_egl_unref_sync(dri2_dpy, dri2_sync);
2665
2666 return ret;
2667 }
2668
2669 static EGLint
2670 dri2_dup_native_fence_fd(_EGLDriver *drv, _EGLDisplay *dpy, _EGLSync *sync)
2671 {
2672 struct dri2_egl_display *dri2_dpy = dri2_egl_display(dpy);
2673 struct dri2_egl_sync *dri2_sync = dri2_egl_sync(sync);
2674
2675 assert(sync->Type == EGL_SYNC_NATIVE_FENCE_ANDROID);
2676
2677 if (sync->SyncFd == EGL_NO_NATIVE_FENCE_FD_ANDROID) {
2678 /* try to retrieve the actual native fence fd.. if rendering is
2679 * not flushed this will just return -1, aka NO_NATIVE_FENCE_FD:
2680 */
2681 sync->SyncFd = dri2_dpy->fence->get_fence_fd(dri2_dpy->dri_screen,
2682 dri2_sync->fence);
2683 }
2684
2685 if (sync->SyncFd == EGL_NO_NATIVE_FENCE_FD_ANDROID) {
2686 /* if native fence fd still not created, return an error: */
2687 _eglError(EGL_BAD_PARAMETER, "eglDupNativeFenceFDANDROID");
2688 return EGL_NO_NATIVE_FENCE_FD_ANDROID;
2689 }
2690
2691 return dup(sync->SyncFd);
2692 }
2693
2694 static EGLint
2695 dri2_client_wait_sync(_EGLDriver *drv, _EGLDisplay *dpy, _EGLSync *sync,
2696 EGLint flags, EGLTime timeout)
2697 {
2698 _EGLContext *ctx = _eglGetCurrentContext();
2699 struct dri2_egl_driver *dri2_drv = dri2_egl_driver(drv);
2700 struct dri2_egl_display *dri2_dpy = dri2_egl_display(dpy);
2701 struct dri2_egl_context *dri2_ctx = dri2_egl_context(ctx);
2702 struct dri2_egl_sync *dri2_sync = dri2_egl_sync(sync);
2703 unsigned wait_flags = 0;
2704
2705 /* timespecs for cnd_timedwait */
2706 struct timespec current;
2707 xtime expire;
2708
2709 EGLint ret = EGL_CONDITION_SATISFIED_KHR;
2710
2711 /* The EGL_KHR_fence_sync spec states:
2712 *
2713 * "If no context is current for the bound API,
2714 * the EGL_SYNC_FLUSH_COMMANDS_BIT_KHR bit is ignored.
2715 */
2716 if (dri2_ctx && flags & EGL_SYNC_FLUSH_COMMANDS_BIT_KHR)
2717 wait_flags |= __DRI2_FENCE_FLAG_FLUSH_COMMANDS;
2718
2719 /* the sync object should take a reference while waiting */
2720 dri2_egl_ref_sync(dri2_sync);
2721
2722 switch (sync->Type) {
2723 case EGL_SYNC_FENCE_KHR:
2724 case EGL_SYNC_NATIVE_FENCE_ANDROID:
2725 case EGL_SYNC_CL_EVENT_KHR:
2726 if (dri2_dpy->fence->client_wait_sync(dri2_ctx ? dri2_ctx->dri_context : NULL,
2727 dri2_sync->fence, wait_flags,
2728 timeout))
2729 dri2_sync->base.SyncStatus = EGL_SIGNALED_KHR;
2730 else
2731 ret = EGL_TIMEOUT_EXPIRED_KHR;
2732 break;
2733
2734 case EGL_SYNC_REUSABLE_KHR:
2735 if (dri2_ctx && dri2_sync->base.SyncStatus == EGL_UNSIGNALED_KHR &&
2736 (flags & EGL_SYNC_FLUSH_COMMANDS_BIT_KHR)) {
2737 /* flush context if EGL_SYNC_FLUSH_COMMANDS_BIT_KHR is set */
2738 dri2_drv->glFlush();
2739 }
2740
2741 /* if timeout is EGL_FOREVER_KHR, it should wait without any timeout.*/
2742 if (timeout == EGL_FOREVER_KHR) {
2743 mtx_lock(&dri2_sync->mutex);
2744 cnd_wait(&dri2_sync->cond, &dri2_sync->mutex);
2745 mtx_unlock(&dri2_sync->mutex);
2746 } else {
2747 /* if reusable sync has not been yet signaled */
2748 if (dri2_sync->base.SyncStatus != EGL_SIGNALED_KHR) {
2749 clock_gettime(CLOCK_MONOTONIC, &current);
2750
2751 /* calculating when to expire */
2752 expire.nsec = timeout % 1000000000L;
2753 expire.sec = timeout / 1000000000L;
2754
2755 expire.nsec += current.tv_nsec;
2756 expire.sec += current.tv_sec;
2757
2758 /* expire.nsec now is a number between 0 and 1999999998 */
2759 if (expire.nsec > 999999999L) {
2760 expire.sec++;
2761 expire.nsec -= 1000000000L;
2762 }
2763
2764 mtx_lock(&dri2_sync->mutex);
2765 ret = cnd_timedwait(&dri2_sync->cond, &dri2_sync->mutex, &expire);
2766 mtx_unlock(&dri2_sync->mutex);
2767
2768 if (ret == thrd_busy) {
2769 if (dri2_sync->base.SyncStatus == EGL_UNSIGNALED_KHR) {
2770 ret = EGL_TIMEOUT_EXPIRED_KHR;
2771 } else {
2772 _eglError(EGL_BAD_ACCESS, "eglClientWaitSyncKHR");
2773 ret = EGL_FALSE;
2774 }
2775 }
2776 }
2777 }
2778 break;
2779 }
2780 dri2_egl_unref_sync(dri2_dpy, dri2_sync);
2781
2782 return ret;
2783 }
2784
2785 static EGLBoolean
2786 dri2_signal_sync(_EGLDriver *drv, _EGLDisplay *dpy, _EGLSync *sync,
2787 EGLenum mode)
2788 {
2789 struct dri2_egl_sync *dri2_sync = dri2_egl_sync(sync);
2790 EGLint ret;
2791
2792 if (sync->Type != EGL_SYNC_REUSABLE_KHR) {
2793 _eglError(EGL_BAD_MATCH, "eglSignalSyncKHR");
2794 return EGL_FALSE;
2795 }
2796
2797 if (mode != EGL_SIGNALED_KHR && mode != EGL_UNSIGNALED_KHR) {
2798 _eglError(EGL_BAD_ATTRIBUTE, "eglSignalSyncKHR");
2799 return EGL_FALSE;
2800 }
2801
2802 dri2_sync->base.SyncStatus = mode;
2803
2804 if (mode == EGL_SIGNALED_KHR) {
2805 ret = cnd_broadcast(&dri2_sync->cond);
2806
2807 /* fail to broadcast */
2808 if (ret) {
2809 _eglError(EGL_BAD_ACCESS, "eglSignalSyncKHR");
2810 return EGL_FALSE;
2811 }
2812 }
2813
2814 return EGL_TRUE;
2815 }
2816
2817 static EGLint
2818 dri2_server_wait_sync(_EGLDriver *drv, _EGLDisplay *dpy, _EGLSync *sync)
2819 {
2820 _EGLContext *ctx = _eglGetCurrentContext();
2821 struct dri2_egl_display *dri2_dpy = dri2_egl_display(dpy);
2822 struct dri2_egl_context *dri2_ctx = dri2_egl_context(ctx);
2823 struct dri2_egl_sync *dri2_sync = dri2_egl_sync(sync);
2824
2825 dri2_dpy->fence->server_wait_sync(dri2_ctx->dri_context,
2826 dri2_sync->fence, 0);
2827 return EGL_TRUE;
2828 }
2829
2830 static int
2831 dri2_interop_query_device_info(_EGLDisplay *dpy, _EGLContext *ctx,
2832 struct mesa_glinterop_device_info *out)
2833 {
2834 struct dri2_egl_display *dri2_dpy = dri2_egl_display(dpy);
2835 struct dri2_egl_context *dri2_ctx = dri2_egl_context(ctx);
2836
2837 if (!dri2_dpy->interop)
2838 return MESA_GLINTEROP_UNSUPPORTED;
2839
2840 return dri2_dpy->interop->query_device_info(dri2_ctx->dri_context, out);
2841 }
2842
2843 static int
2844 dri2_interop_export_object(_EGLDisplay *dpy, _EGLContext *ctx,
2845 struct mesa_glinterop_export_in *in,
2846 struct mesa_glinterop_export_out *out)
2847 {
2848 struct dri2_egl_display *dri2_dpy = dri2_egl_display(dpy);
2849 struct dri2_egl_context *dri2_ctx = dri2_egl_context(ctx);
2850
2851 if (!dri2_dpy->interop)
2852 return MESA_GLINTEROP_UNSUPPORTED;
2853
2854 return dri2_dpy->interop->export_object(dri2_ctx->dri_context, in, out);
2855 }
2856
2857 static void
2858 dri2_unload(_EGLDriver *drv)
2859 {
2860 struct dri2_egl_driver *dri2_drv = dri2_egl_driver(drv);
2861
2862 dlclose(dri2_drv->handle);
2863 free(dri2_drv);
2864 }
2865
2866 static EGLBoolean
2867 dri2_load(_EGLDriver *drv)
2868 {
2869 struct dri2_egl_driver *dri2_drv = dri2_egl_driver(drv);
2870 #ifdef HAVE_ANDROID_PLATFORM
2871 const char *libname = "libglapi.so";
2872 #elif defined(__APPLE__)
2873 const char *libname = "libglapi.0.dylib";
2874 #elif defined(__CYGWIN__)
2875 const char *libname = "cygglapi-0.dll";
2876 #else
2877 const char *libname = "libglapi.so.0";
2878 #endif
2879 void *handle;
2880
2881 /* RTLD_GLOBAL to make sure glapi symbols are visible to DRI drivers */
2882 handle = dlopen(libname, RTLD_LAZY | RTLD_GLOBAL);
2883 if (!handle) {
2884 _eglLog(_EGL_WARNING, "DRI2: failed to open glapi provider");
2885 goto no_handle;
2886 }
2887
2888 dri2_drv->get_proc_address = (_EGLProc (*)(const char *))
2889 dlsym(handle, "_glapi_get_proc_address");
2890
2891 /* if glapi is not available, loading DRI drivers will fail */
2892 if (!dri2_drv->get_proc_address) {
2893 _eglLog(_EGL_WARNING, "DRI2: failed to find _glapi_get_proc_address");
2894 goto no_symbol;
2895 }
2896
2897 dri2_drv->glFlush = (void (*)(void))
2898 dri2_drv->get_proc_address("glFlush");
2899
2900 /* if glFlush is not available things are horribly broken */
2901 if (!dri2_drv->glFlush) {
2902 _eglLog(_EGL_WARNING, "DRI2: failed to find glFlush entry point");
2903 goto no_symbol;
2904 }
2905
2906 dri2_drv->handle = handle;
2907 return EGL_TRUE;
2908
2909 no_symbol:
2910 dlclose(handle);
2911 no_handle:
2912 return EGL_FALSE;
2913 }
2914
2915 /**
2916 * This is the main entrypoint into the driver, called by libEGL.
2917 * Create a new _EGLDriver object and init its dispatch table.
2918 */
2919 _EGLDriver *
2920 _eglBuiltInDriverDRI2(const char *args)
2921 {
2922 struct dri2_egl_driver *dri2_drv;
2923
2924 (void) args;
2925
2926 dri2_drv = calloc(1, sizeof *dri2_drv);
2927 if (!dri2_drv)
2928 return NULL;
2929
2930 if (!dri2_load(&dri2_drv->base)) {
2931 free(dri2_drv);
2932 return NULL;
2933 }
2934
2935 _eglInitDriverFallbacks(&dri2_drv->base);
2936 dri2_drv->base.API.Initialize = dri2_initialize;
2937 dri2_drv->base.API.Terminate = dri2_terminate;
2938 dri2_drv->base.API.CreateContext = dri2_create_context;
2939 dri2_drv->base.API.DestroyContext = dri2_destroy_context;
2940 dri2_drv->base.API.MakeCurrent = dri2_make_current;
2941 dri2_drv->base.API.CreateWindowSurface = dri2_create_window_surface;
2942 dri2_drv->base.API.CreatePixmapSurface = dri2_create_pixmap_surface;
2943 dri2_drv->base.API.CreatePbufferSurface = dri2_create_pbuffer_surface;
2944 dri2_drv->base.API.DestroySurface = dri2_destroy_surface;
2945 dri2_drv->base.API.GetProcAddress = dri2_get_proc_address;
2946 dri2_drv->base.API.WaitClient = dri2_wait_client;
2947 dri2_drv->base.API.WaitNative = dri2_wait_native;
2948 dri2_drv->base.API.BindTexImage = dri2_bind_tex_image;
2949 dri2_drv->base.API.ReleaseTexImage = dri2_release_tex_image;
2950 dri2_drv->base.API.SwapInterval = dri2_swap_interval;
2951 dri2_drv->base.API.SwapBuffers = dri2_swap_buffers;
2952 dri2_drv->base.API.SwapBuffersWithDamageEXT = dri2_swap_buffers_with_damage;
2953 dri2_drv->base.API.SwapBuffersRegionNOK = dri2_swap_buffers_region;
2954 dri2_drv->base.API.PostSubBufferNV = dri2_post_sub_buffer;
2955 dri2_drv->base.API.CopyBuffers = dri2_copy_buffers,
2956 dri2_drv->base.API.QueryBufferAge = dri2_query_buffer_age;
2957 dri2_drv->base.API.CreateImageKHR = dri2_create_image;
2958 dri2_drv->base.API.DestroyImageKHR = dri2_destroy_image_khr;
2959 dri2_drv->base.API.CreateWaylandBufferFromImageWL = dri2_create_wayland_buffer_from_image;
2960 dri2_drv->base.API.QuerySurface = dri2_query_surface;
2961 #ifdef HAVE_LIBDRM
2962 dri2_drv->base.API.CreateDRMImageMESA = dri2_create_drm_image_mesa;
2963 dri2_drv->base.API.ExportDRMImageMESA = dri2_export_drm_image_mesa;
2964 dri2_drv->base.API.ExportDMABUFImageQueryMESA = dri2_export_dma_buf_image_query_mesa;
2965 dri2_drv->base.API.ExportDMABUFImageMESA = dri2_export_dma_buf_image_mesa;
2966 #endif
2967 #ifdef HAVE_WAYLAND_PLATFORM
2968 dri2_drv->base.API.BindWaylandDisplayWL = dri2_bind_wayland_display_wl;
2969 dri2_drv->base.API.UnbindWaylandDisplayWL = dri2_unbind_wayland_display_wl;
2970 dri2_drv->base.API.QueryWaylandBufferWL = dri2_query_wayland_buffer_wl;
2971 #endif
2972 dri2_drv->base.API.GetSyncValuesCHROMIUM = dri2_get_sync_values_chromium;
2973 dri2_drv->base.API.CreateSyncKHR = dri2_create_sync;
2974 dri2_drv->base.API.ClientWaitSyncKHR = dri2_client_wait_sync;
2975 dri2_drv->base.API.SignalSyncKHR = dri2_signal_sync;
2976 dri2_drv->base.API.WaitSyncKHR = dri2_server_wait_sync;
2977 dri2_drv->base.API.DestroySyncKHR = dri2_destroy_sync;
2978 dri2_drv->base.API.GLInteropQueryDeviceInfo = dri2_interop_query_device_info;
2979 dri2_drv->base.API.GLInteropExportObject = dri2_interop_export_object;
2980 dri2_drv->base.API.DupNativeFenceFDANDROID = dri2_dup_native_fence_fd;
2981
2982 dri2_drv->base.Name = "DRI2";
2983 dri2_drv->base.Unload = dri2_unload;
2984
2985 return &dri2_drv->base;
2986 }