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egl/surfaceless: Set disp->DriverData to NULL on error
[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 "util/u_atomic.h"
60
61 /* The kernel header drm_fourcc.h defines the DRM formats below. We duplicate
62 * some of the definitions here so that building Mesa won't bleeding-edge
63 * kernel headers.
64 */
65 #ifndef DRM_FORMAT_R8
66 #define DRM_FORMAT_R8 fourcc_code('R', '8', ' ', ' ') /* [7:0] R */
67 #endif
68
69 #ifndef DRM_FORMAT_RG88
70 #define DRM_FORMAT_RG88 fourcc_code('R', 'G', '8', '8') /* [15:0] R:G 8:8 little endian */
71 #endif
72
73 #ifndef DRM_FORMAT_GR88
74 #define DRM_FORMAT_GR88 fourcc_code('G', 'R', '8', '8') /* [15:0] G:R 8:8 little endian */
75 #endif
76
77 const __DRIuseInvalidateExtension use_invalidate = {
78 .base = { __DRI_USE_INVALIDATE, 1 }
79 };
80
81 EGLint dri2_to_egl_attribute_map[] = {
82 0,
83 EGL_BUFFER_SIZE, /* __DRI_ATTRIB_BUFFER_SIZE */
84 EGL_LEVEL, /* __DRI_ATTRIB_LEVEL */
85 EGL_RED_SIZE, /* __DRI_ATTRIB_RED_SIZE */
86 EGL_GREEN_SIZE, /* __DRI_ATTRIB_GREEN_SIZE */
87 EGL_BLUE_SIZE, /* __DRI_ATTRIB_BLUE_SIZE */
88 EGL_LUMINANCE_SIZE, /* __DRI_ATTRIB_LUMINANCE_SIZE */
89 EGL_ALPHA_SIZE, /* __DRI_ATTRIB_ALPHA_SIZE */
90 0, /* __DRI_ATTRIB_ALPHA_MASK_SIZE */
91 EGL_DEPTH_SIZE, /* __DRI_ATTRIB_DEPTH_SIZE */
92 EGL_STENCIL_SIZE, /* __DRI_ATTRIB_STENCIL_SIZE */
93 0, /* __DRI_ATTRIB_ACCUM_RED_SIZE */
94 0, /* __DRI_ATTRIB_ACCUM_GREEN_SIZE */
95 0, /* __DRI_ATTRIB_ACCUM_BLUE_SIZE */
96 0, /* __DRI_ATTRIB_ACCUM_ALPHA_SIZE */
97 EGL_SAMPLE_BUFFERS, /* __DRI_ATTRIB_SAMPLE_BUFFERS */
98 EGL_SAMPLES, /* __DRI_ATTRIB_SAMPLES */
99 0, /* __DRI_ATTRIB_RENDER_TYPE, */
100 0, /* __DRI_ATTRIB_CONFIG_CAVEAT */
101 0, /* __DRI_ATTRIB_CONFORMANT */
102 0, /* __DRI_ATTRIB_DOUBLE_BUFFER */
103 0, /* __DRI_ATTRIB_STEREO */
104 0, /* __DRI_ATTRIB_AUX_BUFFERS */
105 0, /* __DRI_ATTRIB_TRANSPARENT_TYPE */
106 0, /* __DRI_ATTRIB_TRANSPARENT_INDEX_VALUE */
107 0, /* __DRI_ATTRIB_TRANSPARENT_RED_VALUE */
108 0, /* __DRI_ATTRIB_TRANSPARENT_GREEN_VALUE */
109 0, /* __DRI_ATTRIB_TRANSPARENT_BLUE_VALUE */
110 0, /* __DRI_ATTRIB_TRANSPARENT_ALPHA_VALUE */
111 0, /* __DRI_ATTRIB_FLOAT_MODE (deprecated) */
112 0, /* __DRI_ATTRIB_RED_MASK */
113 0, /* __DRI_ATTRIB_GREEN_MASK */
114 0, /* __DRI_ATTRIB_BLUE_MASK */
115 0, /* __DRI_ATTRIB_ALPHA_MASK */
116 EGL_MAX_PBUFFER_WIDTH, /* __DRI_ATTRIB_MAX_PBUFFER_WIDTH */
117 EGL_MAX_PBUFFER_HEIGHT, /* __DRI_ATTRIB_MAX_PBUFFER_HEIGHT */
118 EGL_MAX_PBUFFER_PIXELS, /* __DRI_ATTRIB_MAX_PBUFFER_PIXELS */
119 0, /* __DRI_ATTRIB_OPTIMAL_PBUFFER_WIDTH */
120 0, /* __DRI_ATTRIB_OPTIMAL_PBUFFER_HEIGHT */
121 0, /* __DRI_ATTRIB_VISUAL_SELECT_GROUP */
122 0, /* __DRI_ATTRIB_SWAP_METHOD */
123 EGL_MAX_SWAP_INTERVAL, /* __DRI_ATTRIB_MAX_SWAP_INTERVAL */
124 EGL_MIN_SWAP_INTERVAL, /* __DRI_ATTRIB_MIN_SWAP_INTERVAL */
125 0, /* __DRI_ATTRIB_BIND_TO_TEXTURE_RGB */
126 0, /* __DRI_ATTRIB_BIND_TO_TEXTURE_RGBA */
127 0, /* __DRI_ATTRIB_BIND_TO_MIPMAP_TEXTURE */
128 0, /* __DRI_ATTRIB_BIND_TO_TEXTURE_TARGETS */
129 EGL_Y_INVERTED_NOK, /* __DRI_ATTRIB_YINVERTED */
130 0, /* __DRI_ATTRIB_FRAMEBUFFER_SRGB_CAPABLE */
131 };
132
133 const __DRIconfig *
134 dri2_get_dri_config(struct dri2_egl_config *conf, EGLint surface_type,
135 EGLenum colorspace)
136 {
137 const bool srgb = colorspace == EGL_GL_COLORSPACE_SRGB_KHR;
138
139 return surface_type == EGL_WINDOW_BIT ? conf->dri_double_config[srgb] :
140 conf->dri_single_config[srgb];
141 }
142
143 static EGLBoolean
144 dri2_match_config(const _EGLConfig *conf, const _EGLConfig *criteria)
145 {
146 if (_eglCompareConfigs(conf, criteria, NULL, EGL_FALSE) != 0)
147 return EGL_FALSE;
148
149 if (!_eglMatchConfig(conf, criteria))
150 return EGL_FALSE;
151
152 return EGL_TRUE;
153 }
154
155 struct dri2_egl_config *
156 dri2_add_config(_EGLDisplay *disp, const __DRIconfig *dri_config, int id,
157 EGLint surface_type, const EGLint *attr_list,
158 const unsigned int *rgba_masks)
159 {
160 struct dri2_egl_config *conf;
161 struct dri2_egl_display *dri2_dpy;
162 _EGLConfig base;
163 unsigned int attrib, value, double_buffer;
164 bool srgb = false;
165 EGLint key, bind_to_texture_rgb, bind_to_texture_rgba;
166 unsigned int dri_masks[4] = { 0, 0, 0, 0 };
167 _EGLConfig *matching_config;
168 EGLint num_configs = 0;
169 EGLint config_id;
170 int i;
171
172 dri2_dpy = disp->DriverData;
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 default:
246 key = dri2_to_egl_attribute_map[attrib];
247 if (key != 0)
248 _eglSetConfigKey(&base, key, value);
249 break;
250 }
251 }
252
253 if (attr_list)
254 for (i = 0; attr_list[i] != EGL_NONE; i += 2)
255 _eglSetConfigKey(&base, attr_list[i], attr_list[i+1]);
256
257 if (rgba_masks && memcmp(rgba_masks, dri_masks, sizeof(dri_masks)))
258 return NULL;
259
260 base.NativeRenderable = EGL_TRUE;
261
262 base.SurfaceType = surface_type;
263 if (surface_type & (EGL_PBUFFER_BIT |
264 (disp->Extensions.NOK_texture_from_pixmap ? EGL_PIXMAP_BIT : 0))) {
265 base.BindToTextureRGB = bind_to_texture_rgb;
266 if (base.AlphaSize > 0)
267 base.BindToTextureRGBA = bind_to_texture_rgba;
268 }
269
270 base.RenderableType = disp->ClientAPIs;
271 base.Conformant = disp->ClientAPIs;
272
273 base.MinSwapInterval = dri2_dpy->min_swap_interval;
274 base.MaxSwapInterval = dri2_dpy->max_swap_interval;
275
276 if (!_eglValidateConfig(&base, EGL_FALSE)) {
277 _eglLog(_EGL_DEBUG, "DRI2: failed to validate config %d", id);
278 return NULL;
279 }
280
281 config_id = base.ConfigID;
282 base.ConfigID = EGL_DONT_CARE;
283 base.SurfaceType = EGL_DONT_CARE;
284 num_configs = _eglFilterArray(disp->Configs, (void **) &matching_config, 1,
285 (_EGLArrayForEach) dri2_match_config, &base);
286
287 if (num_configs == 1) {
288 conf = (struct dri2_egl_config *) matching_config;
289
290 if (double_buffer && !conf->dri_double_config[srgb])
291 conf->dri_double_config[srgb] = dri_config;
292 else if (!double_buffer && !conf->dri_single_config[srgb])
293 conf->dri_single_config[srgb] = dri_config;
294 else
295 /* a similar config type is already added (unlikely) => discard */
296 return NULL;
297 }
298 else if (num_configs == 0) {
299 conf = calloc(1, sizeof *conf);
300 if (conf == NULL)
301 return NULL;
302
303 if (double_buffer)
304 conf->dri_double_config[srgb] = dri_config;
305 else
306 conf->dri_single_config[srgb] = dri_config;
307
308 memcpy(&conf->base, &base, sizeof base);
309 conf->base.SurfaceType = 0;
310 conf->base.ConfigID = config_id;
311
312 _eglLinkConfig(&conf->base);
313 }
314 else {
315 assert(0);
316 return NULL;
317 }
318
319 if (double_buffer) {
320 surface_type &= ~EGL_PIXMAP_BIT;
321 }
322
323 conf->base.SurfaceType |= surface_type;
324
325 return conf;
326 }
327
328 __DRIimage *
329 dri2_lookup_egl_image(__DRIscreen *screen, void *image, void *data)
330 {
331 _EGLDisplay *disp = data;
332 struct dri2_egl_image *dri2_img;
333 _EGLImage *img;
334
335 (void) screen;
336
337 img = _eglLookupImage(image, disp);
338 if (img == NULL) {
339 _eglError(EGL_BAD_PARAMETER, "dri2_lookup_egl_image");
340 return NULL;
341 }
342
343 dri2_img = dri2_egl_image(image);
344
345 return dri2_img->dri_image;
346 }
347
348 const __DRIimageLookupExtension image_lookup_extension = {
349 .base = { __DRI_IMAGE_LOOKUP, 1 },
350
351 .lookupEGLImage = dri2_lookup_egl_image
352 };
353
354 struct dri2_extension_match {
355 const char *name;
356 int version;
357 int offset;
358 };
359
360 static struct dri2_extension_match dri3_driver_extensions[] = {
361 { __DRI_CORE, 1, offsetof(struct dri2_egl_display, core) },
362 { __DRI_IMAGE_DRIVER, 1, offsetof(struct dri2_egl_display, image_driver) },
363 { NULL, 0, 0 }
364 };
365
366 static struct dri2_extension_match dri2_driver_extensions[] = {
367 { __DRI_CORE, 1, offsetof(struct dri2_egl_display, core) },
368 { __DRI_DRI2, 2, offsetof(struct dri2_egl_display, dri2) },
369 { NULL, 0, 0 }
370 };
371
372 static struct dri2_extension_match dri2_core_extensions[] = {
373 { __DRI2_FLUSH, 1, offsetof(struct dri2_egl_display, flush) },
374 { __DRI_TEX_BUFFER, 2, offsetof(struct dri2_egl_display, tex_buffer) },
375 { __DRI_IMAGE, 1, offsetof(struct dri2_egl_display, image) },
376 { NULL, 0, 0 }
377 };
378
379 static struct dri2_extension_match swrast_driver_extensions[] = {
380 { __DRI_CORE, 1, offsetof(struct dri2_egl_display, core) },
381 { __DRI_SWRAST, 2, offsetof(struct dri2_egl_display, swrast) },
382 { NULL, 0, 0 }
383 };
384
385 static struct dri2_extension_match swrast_core_extensions[] = {
386 { __DRI_TEX_BUFFER, 2, offsetof(struct dri2_egl_display, tex_buffer) },
387 { NULL, 0, 0 }
388 };
389
390 static EGLBoolean
391 dri2_bind_extensions(struct dri2_egl_display *dri2_dpy,
392 struct dri2_extension_match *matches,
393 const __DRIextension **extensions)
394 {
395 int i, j, ret = EGL_TRUE;
396 void *field;
397
398 for (i = 0; extensions[i]; i++) {
399 _eglLog(_EGL_DEBUG, "found extension `%s'", extensions[i]->name);
400 for (j = 0; matches[j].name; j++) {
401 if (strcmp(extensions[i]->name, matches[j].name) == 0 &&
402 extensions[i]->version >= matches[j].version) {
403 field = ((char *) dri2_dpy + matches[j].offset);
404 *(const __DRIextension **) field = extensions[i];
405 _eglLog(_EGL_INFO, "found extension %s version %d",
406 extensions[i]->name, extensions[i]->version);
407 }
408 }
409 }
410
411 for (j = 0; matches[j].name; j++) {
412 field = ((char *) dri2_dpy + matches[j].offset);
413 if (*(const __DRIextension **) field == NULL) {
414 _eglLog(_EGL_WARNING, "did not find extension %s version %d",
415 matches[j].name, matches[j].version);
416 ret = EGL_FALSE;
417 }
418 }
419
420 return ret;
421 }
422
423 static const __DRIextension **
424 dri2_open_driver(_EGLDisplay *disp)
425 {
426 struct dri2_egl_display *dri2_dpy = disp->DriverData;
427 const __DRIextension **extensions = NULL;
428 char path[PATH_MAX], *search_paths, *p, *next, *end;
429 char *get_extensions_name;
430 const __DRIextension **(*get_extensions)(void);
431
432 search_paths = NULL;
433 if (geteuid() == getuid()) {
434 /* don't allow setuid apps to use LIBGL_DRIVERS_PATH */
435 search_paths = getenv("LIBGL_DRIVERS_PATH");
436 }
437 if (search_paths == NULL)
438 search_paths = DEFAULT_DRIVER_DIR;
439
440 dri2_dpy->driver = NULL;
441 end = search_paths + strlen(search_paths);
442 for (p = search_paths; p < end; p = next + 1) {
443 int len;
444 next = strchr(p, ':');
445 if (next == NULL)
446 next = end;
447
448 len = next - p;
449 #if GLX_USE_TLS
450 snprintf(path, sizeof path,
451 "%.*s/tls/%s_dri.so", len, p, dri2_dpy->driver_name);
452 dri2_dpy->driver = dlopen(path, RTLD_NOW | RTLD_GLOBAL);
453 #endif
454 if (dri2_dpy->driver == NULL) {
455 snprintf(path, sizeof path,
456 "%.*s/%s_dri.so", len, p, dri2_dpy->driver_name);
457 dri2_dpy->driver = dlopen(path, RTLD_NOW | RTLD_GLOBAL);
458 if (dri2_dpy->driver == NULL)
459 _eglLog(_EGL_DEBUG, "failed to open %s: %s\n", path, dlerror());
460 }
461 /* not need continue to loop all paths once the driver is found */
462 if (dri2_dpy->driver != NULL)
463 break;
464
465 #ifdef ANDROID
466 snprintf(path, sizeof path, "%.*s/gallium_dri.so", len, p);
467 dri2_dpy->driver = dlopen(path, RTLD_NOW | RTLD_GLOBAL);
468 if (dri2_dpy->driver == NULL)
469 _eglLog(_EGL_DEBUG, "failed to open %s: %s\n", path, dlerror());
470 else
471 break;
472 #endif
473 }
474
475 if (dri2_dpy->driver == NULL) {
476 _eglLog(_EGL_WARNING,
477 "DRI2: failed to open %s (search paths %s)",
478 dri2_dpy->driver_name, search_paths);
479 return NULL;
480 }
481
482 _eglLog(_EGL_DEBUG, "DRI2: dlopen(%s)", path);
483
484 if (asprintf(&get_extensions_name, "%s_%s",
485 __DRI_DRIVER_GET_EXTENSIONS, dri2_dpy->driver_name) != -1) {
486 get_extensions = dlsym(dri2_dpy->driver, get_extensions_name);
487 if (get_extensions) {
488 extensions = get_extensions();
489 } else {
490 _eglLog(_EGL_DEBUG, "driver does not expose %s(): %s\n",
491 get_extensions_name, dlerror());
492 }
493 free(get_extensions_name);
494 }
495
496 if (!extensions)
497 extensions = dlsym(dri2_dpy->driver, __DRI_DRIVER_EXTENSIONS);
498 if (extensions == NULL) {
499 _eglLog(_EGL_WARNING,
500 "DRI2: driver exports no extensions (%s)", dlerror());
501 dlclose(dri2_dpy->driver);
502 }
503
504 return extensions;
505 }
506
507 EGLBoolean
508 dri2_load_driver_dri3(_EGLDisplay *disp)
509 {
510 struct dri2_egl_display *dri2_dpy = disp->DriverData;
511 const __DRIextension **extensions;
512
513 extensions = dri2_open_driver(disp);
514 if (!extensions)
515 return EGL_FALSE;
516
517 if (!dri2_bind_extensions(dri2_dpy, dri3_driver_extensions, extensions)) {
518 dlclose(dri2_dpy->driver);
519 return EGL_FALSE;
520 }
521 dri2_dpy->driver_extensions = extensions;
522
523 return EGL_TRUE;
524 }
525
526 EGLBoolean
527 dri2_load_driver(_EGLDisplay *disp)
528 {
529 struct dri2_egl_display *dri2_dpy = disp->DriverData;
530 const __DRIextension **extensions;
531
532 extensions = dri2_open_driver(disp);
533 if (!extensions)
534 return EGL_FALSE;
535
536 if (!dri2_bind_extensions(dri2_dpy, dri2_driver_extensions, extensions)) {
537 dlclose(dri2_dpy->driver);
538 return EGL_FALSE;
539 }
540 dri2_dpy->driver_extensions = extensions;
541
542 return EGL_TRUE;
543 }
544
545 EGLBoolean
546 dri2_load_driver_swrast(_EGLDisplay *disp)
547 {
548 struct dri2_egl_display *dri2_dpy = disp->DriverData;
549 const __DRIextension **extensions;
550
551 extensions = dri2_open_driver(disp);
552 if (!extensions)
553 return EGL_FALSE;
554
555 if (!dri2_bind_extensions(dri2_dpy, swrast_driver_extensions, extensions)) {
556 dlclose(dri2_dpy->driver);
557 return EGL_FALSE;
558 }
559 dri2_dpy->driver_extensions = extensions;
560
561 return EGL_TRUE;
562 }
563
564 static unsigned
565 dri2_renderer_query_integer(struct dri2_egl_display *dri2_dpy, int param)
566 {
567 const __DRI2rendererQueryExtension *rendererQuery = dri2_dpy->rendererQuery;
568 unsigned int value = 0;
569
570 if (!rendererQuery ||
571 rendererQuery->queryInteger(dri2_dpy->dri_screen, param, &value) == -1)
572 return 0;
573
574 return value;
575 }
576
577 void
578 dri2_setup_screen(_EGLDisplay *disp)
579 {
580 struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
581 unsigned int api_mask;
582
583 if (dri2_dpy->image_driver) {
584 api_mask = dri2_dpy->image_driver->getAPIMask(dri2_dpy->dri_screen);
585 } else if (dri2_dpy->dri2) {
586 api_mask = dri2_dpy->dri2->getAPIMask(dri2_dpy->dri_screen);
587 } else {
588 assert(dri2_dpy->swrast);
589 api_mask = 1 << __DRI_API_OPENGL |
590 1 << __DRI_API_GLES |
591 1 << __DRI_API_GLES2 |
592 1 << __DRI_API_GLES3;
593 }
594
595 disp->ClientAPIs = 0;
596 if (api_mask & (1 <<__DRI_API_OPENGL))
597 disp->ClientAPIs |= EGL_OPENGL_BIT;
598 if (api_mask & (1 <<__DRI_API_GLES))
599 disp->ClientAPIs |= EGL_OPENGL_ES_BIT;
600 if (api_mask & (1 << __DRI_API_GLES2))
601 disp->ClientAPIs |= EGL_OPENGL_ES2_BIT;
602 if (api_mask & (1 << __DRI_API_GLES3))
603 disp->ClientAPIs |= EGL_OPENGL_ES3_BIT_KHR;
604
605 assert(dri2_dpy->image_driver || dri2_dpy->dri2 || dri2_dpy->swrast);
606 disp->Extensions.KHR_surfaceless_context = EGL_TRUE;
607 disp->Extensions.MESA_configless_context = EGL_TRUE;
608
609 if (dri2_renderer_query_integer(dri2_dpy,
610 __DRI2_RENDERER_HAS_FRAMEBUFFER_SRGB))
611 disp->Extensions.KHR_gl_colorspace = EGL_TRUE;
612
613 if (dri2_dpy->image_driver ||
614 (dri2_dpy->dri2 && dri2_dpy->dri2->base.version >= 3) ||
615 (dri2_dpy->swrast && dri2_dpy->swrast->base.version >= 3)) {
616 disp->Extensions.KHR_create_context = EGL_TRUE;
617
618 if (dri2_dpy->robustness)
619 disp->Extensions.EXT_create_context_robustness = EGL_TRUE;
620 }
621
622 if (dri2_dpy->fence) {
623 disp->Extensions.KHR_fence_sync = EGL_TRUE;
624 disp->Extensions.KHR_wait_sync = EGL_TRUE;
625 if (dri2_dpy->fence->get_fence_from_cl_event)
626 disp->Extensions.KHR_cl_event2 = EGL_TRUE;
627 }
628
629 disp->Extensions.KHR_reusable_sync = EGL_TRUE;
630
631 if (dri2_dpy->image) {
632 if (dri2_dpy->image->base.version >= 10 &&
633 dri2_dpy->image->getCapabilities != NULL) {
634 int capabilities;
635
636 capabilities = dri2_dpy->image->getCapabilities(dri2_dpy->dri_screen);
637 disp->Extensions.MESA_drm_image = (capabilities & __DRI_IMAGE_CAP_GLOBAL_NAMES) != 0;
638
639 if (dri2_dpy->image->base.version >= 11)
640 disp->Extensions.MESA_image_dma_buf_export = EGL_TRUE;
641 } else {
642 disp->Extensions.MESA_drm_image = EGL_TRUE;
643 if (dri2_dpy->image->base.version >= 11)
644 disp->Extensions.MESA_image_dma_buf_export = EGL_TRUE;
645 }
646
647 disp->Extensions.KHR_image_base = EGL_TRUE;
648 disp->Extensions.KHR_gl_renderbuffer_image = EGL_TRUE;
649 if (dri2_dpy->image->base.version >= 5 &&
650 dri2_dpy->image->createImageFromTexture) {
651 disp->Extensions.KHR_gl_texture_2D_image = EGL_TRUE;
652 disp->Extensions.KHR_gl_texture_cubemap_image = EGL_TRUE;
653 }
654 if (dri2_renderer_query_integer(dri2_dpy,
655 __DRI2_RENDERER_HAS_TEXTURE_3D))
656 disp->Extensions.KHR_gl_texture_3D_image = EGL_TRUE;
657 #ifdef HAVE_LIBDRM
658 if (dri2_dpy->image->base.version >= 8 &&
659 dri2_dpy->image->createImageFromDmaBufs) {
660 disp->Extensions.EXT_image_dma_buf_import = EGL_TRUE;
661 }
662 #endif
663 }
664 }
665
666 /* All platforms but DRM call this function to create the screen, query the
667 * dri extensions, setup the vtables and populate the driver_configs.
668 * DRM inherits all that information from its display - GBM.
669 */
670 EGLBoolean
671 dri2_create_screen(_EGLDisplay *disp)
672 {
673 const __DRIextension **extensions;
674 struct dri2_egl_display *dri2_dpy;
675 unsigned i;
676
677 dri2_dpy = disp->DriverData;
678
679 if (dri2_dpy->image_driver) {
680 dri2_dpy->dri_screen =
681 dri2_dpy->image_driver->createNewScreen2(0, dri2_dpy->fd,
682 dri2_dpy->extensions,
683 dri2_dpy->driver_extensions,
684 &dri2_dpy->driver_configs,
685 disp);
686 } else if (dri2_dpy->dri2) {
687 if (dri2_dpy->dri2->base.version >= 4) {
688 dri2_dpy->dri_screen =
689 dri2_dpy->dri2->createNewScreen2(0, dri2_dpy->fd,
690 dri2_dpy->extensions,
691 dri2_dpy->driver_extensions,
692 &dri2_dpy->driver_configs, disp);
693 } else {
694 dri2_dpy->dri_screen =
695 dri2_dpy->dri2->createNewScreen(0, dri2_dpy->fd,
696 dri2_dpy->extensions,
697 &dri2_dpy->driver_configs, disp);
698 }
699 } else {
700 assert(dri2_dpy->swrast);
701 if (dri2_dpy->swrast->base.version >= 4) {
702 dri2_dpy->dri_screen =
703 dri2_dpy->swrast->createNewScreen2(0, dri2_dpy->extensions,
704 dri2_dpy->driver_extensions,
705 &dri2_dpy->driver_configs, disp);
706 } else {
707 dri2_dpy->dri_screen =
708 dri2_dpy->swrast->createNewScreen(0, dri2_dpy->extensions,
709 &dri2_dpy->driver_configs, disp);
710 }
711 }
712
713 if (dri2_dpy->dri_screen == NULL) {
714 _eglLog(_EGL_WARNING, "DRI2: failed to create dri screen");
715 return EGL_FALSE;
716 }
717
718 dri2_dpy->own_dri_screen = 1;
719
720 extensions = dri2_dpy->core->getExtensions(dri2_dpy->dri_screen);
721
722 if (dri2_dpy->image_driver || dri2_dpy->dri2) {
723 if (!dri2_bind_extensions(dri2_dpy, dri2_core_extensions, extensions))
724 goto cleanup_dri_screen;
725 } else {
726 assert(dri2_dpy->swrast);
727 if (!dri2_bind_extensions(dri2_dpy, swrast_core_extensions, extensions))
728 goto cleanup_dri_screen;
729 }
730
731 for (i = 0; extensions[i]; i++) {
732 if (strcmp(extensions[i]->name, __DRI2_ROBUSTNESS) == 0) {
733 dri2_dpy->robustness = (__DRIrobustnessExtension *) extensions[i];
734 }
735 if (strcmp(extensions[i]->name, __DRI2_CONFIG_QUERY) == 0) {
736 dri2_dpy->config = (__DRI2configQueryExtension *) extensions[i];
737 }
738 if (strcmp(extensions[i]->name, __DRI2_FENCE) == 0) {
739 dri2_dpy->fence = (__DRI2fenceExtension *) extensions[i];
740 }
741 if (strcmp(extensions[i]->name, __DRI2_RENDERER_QUERY) == 0) {
742 dri2_dpy->rendererQuery = (__DRI2rendererQueryExtension *) extensions[i];
743 }
744 if (strcmp(extensions[i]->name, __DRI2_INTEROP) == 0)
745 dri2_dpy->interop = (__DRI2interopExtension *) extensions[i];
746 }
747
748 dri2_setup_screen(disp);
749
750 return EGL_TRUE;
751
752 cleanup_dri_screen:
753 dri2_dpy->core->destroyScreen(dri2_dpy->dri_screen);
754
755 return EGL_FALSE;
756 }
757
758 /**
759 * Called via eglInitialize(), GLX_drv->API.Initialize().
760 *
761 * This must be guaranteed to be called exactly once, even if eglInitialize is
762 * called many times (without a eglTerminate in between).
763 */
764 static EGLBoolean
765 dri2_initialize(_EGLDriver *drv, _EGLDisplay *disp)
766 {
767 EGLBoolean ret = EGL_FALSE;
768 struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
769
770 /* In the case where the application calls eglMakeCurrent(context1),
771 * eglTerminate, then eglInitialize again (without a call to eglReleaseThread
772 * or eglMakeCurrent(NULL) before that), dri2_dpy structure is still
773 * initialized, as we need it to be able to free context1 correctly.
774 *
775 * It would probably be safest to forcibly release the display with
776 * dri2_display_release, to make sure the display is reinitialized correctly.
777 * However, the EGL spec states that we need to keep a reference to the
778 * current context (so we cannot call dri2_make_current(NULL)), and therefore
779 * we would leak context1 as we would be missing the old display connection
780 * to free it up correctly.
781 */
782 if (dri2_dpy) {
783 dri2_dpy->ref_count++;
784 return EGL_TRUE;
785 }
786
787 /* not until swrast_dri is supported */
788 if (disp->Options.UseFallback)
789 return EGL_FALSE;
790
791 switch (disp->Platform) {
792 #ifdef HAVE_SURFACELESS_PLATFORM
793 case _EGL_PLATFORM_SURFACELESS:
794 if (disp->Options.TestOnly)
795 ret = EGL_TRUE;
796 else
797 ret = dri2_initialize_surfaceless(drv, disp);
798 break;
799 #endif
800 #ifdef HAVE_X11_PLATFORM
801 case _EGL_PLATFORM_X11:
802 if (disp->Options.TestOnly)
803 ret = EGL_TRUE;
804 else
805 ret = dri2_initialize_x11(drv, disp);
806 break;
807 #endif
808 #ifdef HAVE_DRM_PLATFORM
809 case _EGL_PLATFORM_DRM:
810 if (disp->Options.TestOnly)
811 ret = EGL_TRUE;
812 else
813 ret = dri2_initialize_drm(drv, disp);
814 break;
815 #endif
816 #ifdef HAVE_WAYLAND_PLATFORM
817 case _EGL_PLATFORM_WAYLAND:
818 if (disp->Options.TestOnly)
819 ret = EGL_TRUE;
820 else
821 ret = dri2_initialize_wayland(drv, disp);
822 break;
823 #endif
824 #ifdef HAVE_ANDROID_PLATFORM
825 case _EGL_PLATFORM_ANDROID:
826 if (disp->Options.TestOnly)
827 ret = EGL_TRUE;
828 else
829 ret = dri2_initialize_android(drv, disp);
830 break;
831 #endif
832 default:
833 _eglLog(_EGL_WARNING, "No EGL platform enabled.");
834 return EGL_FALSE;
835 }
836
837 if (ret) {
838 dri2_dpy = dri2_egl_display(disp);
839
840 if (!dri2_dpy) {
841 return EGL_FALSE;
842 }
843
844 dri2_dpy->ref_count++;
845 }
846
847 return ret;
848 }
849
850 /**
851 * Decrement display reference count, and free up display if necessary.
852 */
853 static void
854 dri2_display_release(_EGLDisplay *disp) {
855 struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
856 unsigned i;
857
858 assert(dri2_dpy->ref_count > 0);
859 dri2_dpy->ref_count--;
860
861 if (dri2_dpy->ref_count > 0)
862 return;
863
864 _eglCleanupDisplay(disp);
865
866 if (dri2_dpy->own_dri_screen)
867 dri2_dpy->core->destroyScreen(dri2_dpy->dri_screen);
868 if (dri2_dpy->fd >= 0)
869 close(dri2_dpy->fd);
870 if (dri2_dpy->driver)
871 dlclose(dri2_dpy->driver);
872 free(dri2_dpy->device_name);
873 free(dri2_dpy->driver_name);
874
875 switch (disp->Platform) {
876 #ifdef HAVE_X11_PLATFORM
877 case _EGL_PLATFORM_X11:
878 if (dri2_dpy->own_device) {
879 xcb_disconnect(dri2_dpy->conn);
880 }
881 break;
882 #endif
883 #ifdef HAVE_DRM_PLATFORM
884 case _EGL_PLATFORM_DRM:
885 if (dri2_dpy->own_device) {
886 gbm_device_destroy(&dri2_dpy->gbm_dri->base.base);
887 }
888 break;
889 #endif
890 #ifdef HAVE_WAYLAND_PLATFORM
891 case _EGL_PLATFORM_WAYLAND:
892 if (dri2_dpy->wl_drm)
893 wl_drm_destroy(dri2_dpy->wl_drm);
894 if (dri2_dpy->wl_shm)
895 wl_shm_destroy(dri2_dpy->wl_shm);
896 wl_registry_destroy(dri2_dpy->wl_registry);
897 wl_event_queue_destroy(dri2_dpy->wl_queue);
898 if (dri2_dpy->own_device) {
899 wl_display_disconnect(dri2_dpy->wl_dpy);
900 }
901 break;
902 #endif
903 default:
904 break;
905 }
906
907 /* The drm platform does not create the screen/driver_configs but reuses
908 * the ones from the gbm device. As such the gbm itself is responsible
909 * for the cleanup.
910 */
911 if (disp->Platform != _EGL_PLATFORM_DRM) {
912 for (i = 0; dri2_dpy->driver_configs[i]; i++)
913 free((__DRIconfig *) dri2_dpy->driver_configs[i]);
914 free(dri2_dpy->driver_configs);
915 }
916 free(dri2_dpy);
917 disp->DriverData = NULL;
918 }
919
920 /**
921 * Called via eglTerminate(), drv->API.Terminate().
922 *
923 * This must be guaranteed to be called exactly once, even if eglTerminate is
924 * called many times (without a eglInitialize in between).
925 */
926 static EGLBoolean
927 dri2_terminate(_EGLDriver *drv, _EGLDisplay *disp)
928 {
929 /* Release all non-current Context/Surfaces. */
930 _eglReleaseDisplayResources(drv, disp);
931
932 dri2_display_release(disp);
933
934 return EGL_TRUE;
935 }
936
937 /**
938 * Set the error code after a call to
939 * dri2_egl_display::dri2::createContextAttribs.
940 */
941 static void
942 dri2_create_context_attribs_error(int dri_error)
943 {
944 EGLint egl_error;
945
946 switch (dri_error) {
947 case __DRI_CTX_ERROR_SUCCESS:
948 return;
949
950 case __DRI_CTX_ERROR_NO_MEMORY:
951 egl_error = EGL_BAD_ALLOC;
952 break;
953
954 /* From the EGL_KHR_create_context spec, section "Errors":
955 *
956 * * If <config> does not support a client API context compatible
957 * with the requested API major and minor version, [...] context flags,
958 * and context reset notification behavior (for client API types where
959 * these attributes are supported), then an EGL_BAD_MATCH error is
960 * generated.
961 *
962 * * If an OpenGL ES context is requested and the values for
963 * attributes EGL_CONTEXT_MAJOR_VERSION_KHR and
964 * EGL_CONTEXT_MINOR_VERSION_KHR specify an OpenGL ES version that
965 * is not defined, than an EGL_BAD_MATCH error is generated.
966 *
967 * * If an OpenGL context is requested, the requested version is
968 * greater than 3.2, and the value for attribute
969 * EGL_CONTEXT_OPENGL_PROFILE_MASK_KHR has no bits set; has any
970 * bits set other than EGL_CONTEXT_OPENGL_CORE_PROFILE_BIT_KHR and
971 * EGL_CONTEXT_OPENGL_COMPATIBILITY_PROFILE_BIT_KHR; has more than
972 * one of these bits set; or if the implementation does not support
973 * the requested profile, then an EGL_BAD_MATCH error is generated.
974 */
975 case __DRI_CTX_ERROR_BAD_API:
976 case __DRI_CTX_ERROR_BAD_VERSION:
977 case __DRI_CTX_ERROR_BAD_FLAG:
978 egl_error = EGL_BAD_MATCH;
979 break;
980
981 /* From the EGL_KHR_create_context spec, section "Errors":
982 *
983 * * If an attribute name or attribute value in <attrib_list> is not
984 * recognized (including unrecognized bits in bitmask attributes),
985 * then an EGL_BAD_ATTRIBUTE error is generated."
986 */
987 case __DRI_CTX_ERROR_UNKNOWN_ATTRIBUTE:
988 case __DRI_CTX_ERROR_UNKNOWN_FLAG:
989 egl_error = EGL_BAD_ATTRIBUTE;
990 break;
991
992 default:
993 assert(0);
994 egl_error = EGL_BAD_MATCH;
995 break;
996 }
997
998 _eglError(egl_error, "dri2_create_context");
999 }
1000
1001 static bool
1002 dri2_fill_context_attribs(struct dri2_egl_context *dri2_ctx,
1003 struct dri2_egl_display *dri2_dpy,
1004 uint32_t *ctx_attribs,
1005 unsigned *num_attribs)
1006 {
1007 int pos = 0;
1008
1009 assert(*num_attribs >= 8);
1010
1011 ctx_attribs[pos++] = __DRI_CTX_ATTRIB_MAJOR_VERSION;
1012 ctx_attribs[pos++] = dri2_ctx->base.ClientMajorVersion;
1013 ctx_attribs[pos++] = __DRI_CTX_ATTRIB_MINOR_VERSION;
1014 ctx_attribs[pos++] = dri2_ctx->base.ClientMinorVersion;
1015
1016 if (dri2_ctx->base.Flags != 0) {
1017 /* If the implementation doesn't support the __DRI2_ROBUSTNESS
1018 * extension, don't even try to send it the robust-access flag.
1019 * It may explode. Instead, generate the required EGL error here.
1020 */
1021 if ((dri2_ctx->base.Flags & EGL_CONTEXT_OPENGL_ROBUST_ACCESS_BIT_KHR) != 0
1022 && !dri2_dpy->robustness) {
1023 _eglError(EGL_BAD_MATCH, "eglCreateContext");
1024 return false;
1025 }
1026
1027 ctx_attribs[pos++] = __DRI_CTX_ATTRIB_FLAGS;
1028 ctx_attribs[pos++] = dri2_ctx->base.Flags;
1029 }
1030
1031 if (dri2_ctx->base.ResetNotificationStrategy != EGL_NO_RESET_NOTIFICATION_KHR) {
1032 /* If the implementation doesn't support the __DRI2_ROBUSTNESS
1033 * extension, don't even try to send it a reset strategy. It may
1034 * explode. Instead, generate the required EGL error here.
1035 */
1036 if (!dri2_dpy->robustness) {
1037 _eglError(EGL_BAD_CONFIG, "eglCreateContext");
1038 return false;
1039 }
1040
1041 ctx_attribs[pos++] = __DRI_CTX_ATTRIB_RESET_STRATEGY;
1042 ctx_attribs[pos++] = __DRI_CTX_RESET_LOSE_CONTEXT;
1043 }
1044
1045 *num_attribs = pos;
1046
1047 return true;
1048 }
1049
1050 /**
1051 * Called via eglCreateContext(), drv->API.CreateContext().
1052 */
1053 static _EGLContext *
1054 dri2_create_context(_EGLDriver *drv, _EGLDisplay *disp, _EGLConfig *conf,
1055 _EGLContext *share_list, const EGLint *attrib_list)
1056 {
1057 struct dri2_egl_context *dri2_ctx;
1058 struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
1059 struct dri2_egl_context *dri2_ctx_shared = dri2_egl_context(share_list);
1060 __DRIcontext *shared =
1061 dri2_ctx_shared ? dri2_ctx_shared->dri_context : NULL;
1062 struct dri2_egl_config *dri2_config = dri2_egl_config(conf);
1063 const __DRIconfig *dri_config;
1064 int api;
1065
1066 (void) drv;
1067
1068 dri2_ctx = malloc(sizeof *dri2_ctx);
1069 if (!dri2_ctx) {
1070 _eglError(EGL_BAD_ALLOC, "eglCreateContext");
1071 return NULL;
1072 }
1073
1074 if (!_eglInitContext(&dri2_ctx->base, disp, conf, attrib_list))
1075 goto cleanup;
1076
1077 switch (dri2_ctx->base.ClientAPI) {
1078 case EGL_OPENGL_ES_API:
1079 switch (dri2_ctx->base.ClientMajorVersion) {
1080 case 1:
1081 api = __DRI_API_GLES;
1082 break;
1083 case 2:
1084 api = __DRI_API_GLES2;
1085 break;
1086 case 3:
1087 api = __DRI_API_GLES3;
1088 break;
1089 default:
1090 _eglError(EGL_BAD_PARAMETER, "eglCreateContext");
1091 free(dri2_ctx);
1092 return NULL;
1093 }
1094 break;
1095 case EGL_OPENGL_API:
1096 if ((dri2_ctx->base.ClientMajorVersion >= 4
1097 || (dri2_ctx->base.ClientMajorVersion == 3
1098 && dri2_ctx->base.ClientMinorVersion >= 2))
1099 && dri2_ctx->base.Profile == EGL_CONTEXT_OPENGL_CORE_PROFILE_BIT_KHR)
1100 api = __DRI_API_OPENGL_CORE;
1101 else
1102 api = __DRI_API_OPENGL;
1103 break;
1104 default:
1105 _eglError(EGL_BAD_PARAMETER, "eglCreateContext");
1106 free(dri2_ctx);
1107 return NULL;
1108 }
1109
1110 if (conf != NULL) {
1111 /* The config chosen here isn't necessarily
1112 * used for surfaces later.
1113 * A pixmap surface will use the single config.
1114 * This opportunity depends on disabling the
1115 * doubleBufferMode check in
1116 * src/mesa/main/context.c:check_compatible()
1117 */
1118 if (dri2_config->dri_double_config[0])
1119 dri_config = dri2_config->dri_double_config[0];
1120 else
1121 dri_config = dri2_config->dri_single_config[0];
1122
1123 /* EGL_WINDOW_BIT is set only when there is a dri_double_config. This
1124 * makes sure the back buffer will always be used.
1125 */
1126 if (conf->SurfaceType & EGL_WINDOW_BIT)
1127 dri2_ctx->base.WindowRenderBuffer = EGL_BACK_BUFFER;
1128 }
1129 else
1130 dri_config = NULL;
1131
1132 if (dri2_dpy->image_driver) {
1133 unsigned error;
1134 unsigned num_attribs = 8;
1135 uint32_t ctx_attribs[8];
1136
1137 if (!dri2_fill_context_attribs(dri2_ctx, dri2_dpy, ctx_attribs,
1138 &num_attribs))
1139 goto cleanup;
1140
1141 dri2_ctx->dri_context =
1142 dri2_dpy->image_driver->createContextAttribs(dri2_dpy->dri_screen,
1143 api,
1144 dri_config,
1145 shared,
1146 num_attribs / 2,
1147 ctx_attribs,
1148 & error,
1149 dri2_ctx);
1150 dri2_create_context_attribs_error(error);
1151 } else if (dri2_dpy->dri2) {
1152 if (dri2_dpy->dri2->base.version >= 3) {
1153 unsigned error;
1154 unsigned num_attribs = 8;
1155 uint32_t ctx_attribs[8];
1156
1157 if (!dri2_fill_context_attribs(dri2_ctx, dri2_dpy, ctx_attribs,
1158 &num_attribs))
1159 goto cleanup;
1160
1161 dri2_ctx->dri_context =
1162 dri2_dpy->dri2->createContextAttribs(dri2_dpy->dri_screen,
1163 api,
1164 dri_config,
1165 shared,
1166 num_attribs / 2,
1167 ctx_attribs,
1168 & error,
1169 dri2_ctx);
1170 dri2_create_context_attribs_error(error);
1171 } else {
1172 dri2_ctx->dri_context =
1173 dri2_dpy->dri2->createNewContextForAPI(dri2_dpy->dri_screen,
1174 api,
1175 dri_config,
1176 shared,
1177 dri2_ctx);
1178 }
1179 } else {
1180 assert(dri2_dpy->swrast);
1181 if (dri2_dpy->swrast->base.version >= 3) {
1182 unsigned error;
1183 unsigned num_attribs = 8;
1184 uint32_t ctx_attribs[8];
1185
1186 if (!dri2_fill_context_attribs(dri2_ctx, dri2_dpy, ctx_attribs,
1187 &num_attribs))
1188 goto cleanup;
1189
1190 dri2_ctx->dri_context =
1191 dri2_dpy->swrast->createContextAttribs(dri2_dpy->dri_screen,
1192 api,
1193 dri_config,
1194 shared,
1195 num_attribs / 2,
1196 ctx_attribs,
1197 & error,
1198 dri2_ctx);
1199 dri2_create_context_attribs_error(error);
1200 } else {
1201 dri2_ctx->dri_context =
1202 dri2_dpy->swrast->createNewContextForAPI(dri2_dpy->dri_screen,
1203 api,
1204 dri_config,
1205 shared,
1206 dri2_ctx);
1207 }
1208 }
1209
1210 if (!dri2_ctx->dri_context)
1211 goto cleanup;
1212
1213 return &dri2_ctx->base;
1214
1215 cleanup:
1216 free(dri2_ctx);
1217 return NULL;
1218 }
1219
1220 /**
1221 * Called via eglDestroyContext(), drv->API.DestroyContext().
1222 */
1223 static EGLBoolean
1224 dri2_destroy_context(_EGLDriver *drv, _EGLDisplay *disp, _EGLContext *ctx)
1225 {
1226 struct dri2_egl_context *dri2_ctx = dri2_egl_context(ctx);
1227 struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
1228
1229 if (_eglPutContext(ctx)) {
1230 dri2_dpy->core->destroyContext(dri2_ctx->dri_context);
1231 free(dri2_ctx);
1232 }
1233
1234 return EGL_TRUE;
1235 }
1236
1237 /**
1238 * Called via eglMakeCurrent(), drv->API.MakeCurrent().
1239 */
1240 static EGLBoolean
1241 dri2_make_current(_EGLDriver *drv, _EGLDisplay *disp, _EGLSurface *dsurf,
1242 _EGLSurface *rsurf, _EGLContext *ctx)
1243 {
1244 struct dri2_egl_driver *dri2_drv = dri2_egl_driver(drv);
1245 struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
1246 struct dri2_egl_context *dri2_ctx = dri2_egl_context(ctx);
1247 _EGLContext *old_ctx;
1248 _EGLSurface *old_dsurf, *old_rsurf;
1249 _EGLSurface *tmp_dsurf, *tmp_rsurf;
1250 __DRIdrawable *ddraw, *rdraw;
1251 __DRIcontext *cctx;
1252 EGLBoolean unbind;
1253
1254 if (!dri2_dpy)
1255 return _eglError(EGL_NOT_INITIALIZED, "eglMakeCurrent");
1256
1257 /* make new bindings */
1258 if (!_eglBindContext(ctx, dsurf, rsurf, &old_ctx, &old_dsurf, &old_rsurf)) {
1259 /* _eglBindContext already sets the EGL error (in _eglCheckMakeCurrent) */
1260 return EGL_FALSE;
1261 }
1262
1263 /* flush before context switch */
1264 if (old_ctx && dri2_drv->glFlush)
1265 dri2_drv->glFlush();
1266
1267 ddraw = (dsurf) ? dri2_dpy->vtbl->get_dri_drawable(dsurf) : NULL;
1268 rdraw = (rsurf) ? dri2_dpy->vtbl->get_dri_drawable(rsurf) : NULL;
1269 cctx = (dri2_ctx) ? dri2_ctx->dri_context : NULL;
1270
1271 if (old_ctx) {
1272 __DRIcontext *old_cctx = dri2_egl_context(old_ctx)->dri_context;
1273 dri2_dpy->core->unbindContext(old_cctx);
1274 }
1275
1276 unbind = (cctx == NULL && ddraw == NULL && rdraw == NULL);
1277
1278 if (unbind || dri2_dpy->core->bindContext(cctx, ddraw, rdraw)) {
1279 if (old_dsurf)
1280 drv->API.DestroySurface(drv, disp, old_dsurf);
1281 if (old_rsurf)
1282 drv->API.DestroySurface(drv, disp, old_rsurf);
1283 if (old_ctx)
1284 drv->API.DestroyContext(drv, disp, old_ctx);
1285
1286 if (!unbind)
1287 dri2_dpy->ref_count++;
1288 if (old_dsurf || old_rsurf || old_ctx)
1289 dri2_display_release(disp);
1290
1291 return EGL_TRUE;
1292 } else {
1293 /* undo the previous _eglBindContext */
1294 _eglBindContext(old_ctx, old_dsurf, old_rsurf, &ctx, &tmp_dsurf, &tmp_rsurf);
1295 assert(&dri2_ctx->base == ctx &&
1296 tmp_dsurf == dsurf &&
1297 tmp_rsurf == rsurf);
1298
1299 _eglPutSurface(dsurf);
1300 _eglPutSurface(rsurf);
1301 _eglPutContext(ctx);
1302
1303 _eglPutSurface(old_dsurf);
1304 _eglPutSurface(old_rsurf);
1305 _eglPutContext(old_ctx);
1306
1307 /* dri2_dpy->core->bindContext failed. We cannot tell for sure why, but
1308 * setting the error to EGL_BAD_MATCH is surely better than leaving it
1309 * as EGL_SUCCESS.
1310 */
1311 return _eglError(EGL_BAD_MATCH, "eglMakeCurrent");
1312 }
1313 }
1314
1315 __DRIdrawable *
1316 dri2_surface_get_dri_drawable(_EGLSurface *surf)
1317 {
1318 struct dri2_egl_surface *dri2_surf = dri2_egl_surface(surf);
1319
1320 return dri2_surf->dri_drawable;
1321 }
1322
1323 /*
1324 * Called from eglGetProcAddress() via drv->API.GetProcAddress().
1325 */
1326 static _EGLProc
1327 dri2_get_proc_address(_EGLDriver *drv, const char *procname)
1328 {
1329 struct dri2_egl_driver *dri2_drv = dri2_egl_driver(drv);
1330
1331 return dri2_drv->get_proc_address(procname);
1332 }
1333
1334 static _EGLSurface*
1335 dri2_create_window_surface(_EGLDriver *drv, _EGLDisplay *dpy,
1336 _EGLConfig *conf, void *native_window,
1337 const EGLint *attrib_list)
1338 {
1339 struct dri2_egl_display *dri2_dpy = dri2_egl_display(dpy);
1340 return dri2_dpy->vtbl->create_window_surface(drv, dpy, conf, native_window,
1341 attrib_list);
1342 }
1343
1344 static _EGLSurface*
1345 dri2_create_pixmap_surface(_EGLDriver *drv, _EGLDisplay *dpy,
1346 _EGLConfig *conf, void *native_pixmap,
1347 const EGLint *attrib_list)
1348 {
1349 struct dri2_egl_display *dri2_dpy = dri2_egl_display(dpy);
1350 return dri2_dpy->vtbl->create_pixmap_surface(drv, dpy, conf, native_pixmap,
1351 attrib_list);
1352 }
1353
1354 static _EGLSurface*
1355 dri2_create_pbuffer_surface(_EGLDriver *drv, _EGLDisplay *dpy,
1356 _EGLConfig *conf, const EGLint *attrib_list)
1357 {
1358 struct dri2_egl_display *dri2_dpy = dri2_egl_display(dpy);
1359 return dri2_dpy->vtbl->create_pbuffer_surface(drv, dpy, conf, attrib_list);
1360 }
1361
1362 static EGLBoolean
1363 dri2_destroy_surface(_EGLDriver *drv, _EGLDisplay *dpy, _EGLSurface *surf)
1364 {
1365 struct dri2_egl_display *dri2_dpy = dri2_egl_display(dpy);
1366 return dri2_dpy->vtbl->destroy_surface(drv, dpy, surf);
1367 }
1368
1369 static EGLBoolean
1370 dri2_swap_interval(_EGLDriver *drv, _EGLDisplay *dpy, _EGLSurface *surf,
1371 EGLint interval)
1372 {
1373 struct dri2_egl_display *dri2_dpy = dri2_egl_display(dpy);
1374 return dri2_dpy->vtbl->swap_interval(drv, dpy, surf, interval);
1375 }
1376
1377 /**
1378 * Asks the client API to flush any rendering to the drawable so that we can
1379 * do our swapbuffers.
1380 */
1381 void
1382 dri2_flush_drawable_for_swapbuffers(_EGLDisplay *disp, _EGLSurface *draw)
1383 {
1384 struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
1385 __DRIdrawable *dri_drawable = dri2_dpy->vtbl->get_dri_drawable(draw);
1386
1387 if (dri2_dpy->flush) {
1388 if (dri2_dpy->flush->base.version >= 4) {
1389 /* We know there's a current context because:
1390 *
1391 * "If surface is not bound to the calling thread’s current
1392 * context, an EGL_BAD_SURFACE error is generated."
1393 */
1394 _EGLContext *ctx = _eglGetCurrentContext();
1395 struct dri2_egl_context *dri2_ctx = dri2_egl_context(ctx);
1396
1397 /* From the EGL 1.4 spec (page 52):
1398 *
1399 * "The contents of ancillary buffers are always undefined
1400 * after calling eglSwapBuffers."
1401 */
1402 dri2_dpy->flush->flush_with_flags(dri2_ctx->dri_context,
1403 dri_drawable,
1404 __DRI2_FLUSH_DRAWABLE |
1405 __DRI2_FLUSH_INVALIDATE_ANCILLARY,
1406 __DRI2_THROTTLE_SWAPBUFFER);
1407 } else {
1408 dri2_dpy->flush->flush(dri_drawable);
1409 }
1410 }
1411 }
1412
1413 static EGLBoolean
1414 dri2_swap_buffers(_EGLDriver *drv, _EGLDisplay *dpy, _EGLSurface *surf)
1415 {
1416 struct dri2_egl_display *dri2_dpy = dri2_egl_display(dpy);
1417 return dri2_dpy->vtbl->swap_buffers(drv, dpy, surf);
1418 }
1419
1420 static EGLBoolean
1421 dri2_swap_buffers_with_damage(_EGLDriver *drv, _EGLDisplay *dpy,
1422 _EGLSurface *surf,
1423 const EGLint *rects, EGLint n_rects)
1424 {
1425 struct dri2_egl_display *dri2_dpy = dri2_egl_display(dpy);
1426 return dri2_dpy->vtbl->swap_buffers_with_damage(drv, dpy, surf,
1427 rects, n_rects);
1428 }
1429
1430 static EGLBoolean
1431 dri2_swap_buffers_region(_EGLDriver *drv, _EGLDisplay *dpy, _EGLSurface *surf,
1432 EGLint numRects, const EGLint *rects)
1433 {
1434 struct dri2_egl_display *dri2_dpy = dri2_egl_display(dpy);
1435 return dri2_dpy->vtbl->swap_buffers_region(drv, dpy, surf, numRects, rects);
1436 }
1437
1438 static EGLBoolean
1439 dri2_post_sub_buffer(_EGLDriver *drv, _EGLDisplay *dpy, _EGLSurface *surf,
1440 EGLint x, EGLint y, EGLint width, EGLint height)
1441 {
1442 struct dri2_egl_display *dri2_dpy = dri2_egl_display(dpy);
1443 return dri2_dpy->vtbl->post_sub_buffer(drv, dpy, surf, x, y, width, height);
1444 }
1445
1446 static EGLBoolean
1447 dri2_copy_buffers(_EGLDriver *drv, _EGLDisplay *dpy, _EGLSurface *surf,
1448 void *native_pixmap_target)
1449 {
1450 struct dri2_egl_display *dri2_dpy = dri2_egl_display(dpy);
1451 return dri2_dpy->vtbl->copy_buffers(drv, dpy, surf, native_pixmap_target);
1452 }
1453
1454 static EGLint
1455 dri2_query_buffer_age(_EGLDriver *drv, _EGLDisplay *dpy, _EGLSurface *surf)
1456 {
1457 struct dri2_egl_display *dri2_dpy = dri2_egl_display(dpy);
1458 return dri2_dpy->vtbl->query_buffer_age(drv, dpy, surf);
1459 }
1460
1461 static EGLBoolean
1462 dri2_wait_client(_EGLDriver *drv, _EGLDisplay *disp, _EGLContext *ctx)
1463 {
1464 struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
1465 _EGLSurface *surf = ctx->DrawSurface;
1466 __DRIdrawable *dri_drawable = dri2_dpy->vtbl->get_dri_drawable(surf);
1467
1468 (void) drv;
1469
1470 /* FIXME: If EGL allows frontbuffer rendering for window surfaces,
1471 * we need to copy fake to real here.*/
1472
1473 if (dri2_dpy->flush != NULL)
1474 dri2_dpy->flush->flush(dri_drawable);
1475
1476 return EGL_TRUE;
1477 }
1478
1479 static EGLBoolean
1480 dri2_wait_native(_EGLDriver *drv, _EGLDisplay *disp, EGLint engine)
1481 {
1482 (void) drv;
1483 (void) disp;
1484
1485 if (engine != EGL_CORE_NATIVE_ENGINE)
1486 return _eglError(EGL_BAD_PARAMETER, "eglWaitNative");
1487 /* glXWaitX(); */
1488
1489 return EGL_TRUE;
1490 }
1491
1492 static EGLBoolean
1493 dri2_bind_tex_image(_EGLDriver *drv,
1494 _EGLDisplay *disp, _EGLSurface *surf, EGLint buffer)
1495 {
1496 struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
1497 struct dri2_egl_context *dri2_ctx;
1498 _EGLContext *ctx;
1499 GLint format, target;
1500 __DRIdrawable *dri_drawable = dri2_dpy->vtbl->get_dri_drawable(surf);
1501
1502 ctx = _eglGetCurrentContext();
1503 dri2_ctx = dri2_egl_context(ctx);
1504
1505 if (!_eglBindTexImage(drv, disp, surf, buffer))
1506 return EGL_FALSE;
1507
1508 switch (surf->TextureFormat) {
1509 case EGL_TEXTURE_RGB:
1510 format = __DRI_TEXTURE_FORMAT_RGB;
1511 break;
1512 case EGL_TEXTURE_RGBA:
1513 format = __DRI_TEXTURE_FORMAT_RGBA;
1514 break;
1515 default:
1516 assert(!"Unexpected texture format in dri2_bind_tex_image()");
1517 format = __DRI_TEXTURE_FORMAT_RGBA;
1518 }
1519
1520 switch (surf->TextureTarget) {
1521 case EGL_TEXTURE_2D:
1522 target = GL_TEXTURE_2D;
1523 break;
1524 default:
1525 target = GL_TEXTURE_2D;
1526 assert(!"Unexpected texture target in dri2_bind_tex_image()");
1527 }
1528
1529 (*dri2_dpy->tex_buffer->setTexBuffer2)(dri2_ctx->dri_context,
1530 target, format,
1531 dri_drawable);
1532
1533 return EGL_TRUE;
1534 }
1535
1536 static EGLBoolean
1537 dri2_release_tex_image(_EGLDriver *drv,
1538 _EGLDisplay *disp, _EGLSurface *surf, EGLint buffer)
1539 {
1540 struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
1541 struct dri2_egl_context *dri2_ctx;
1542 _EGLContext *ctx;
1543 GLint target;
1544 __DRIdrawable *dri_drawable = dri2_dpy->vtbl->get_dri_drawable(surf);
1545
1546 ctx = _eglGetCurrentContext();
1547 dri2_ctx = dri2_egl_context(ctx);
1548
1549 if (!_eglReleaseTexImage(drv, disp, surf, buffer))
1550 return EGL_FALSE;
1551
1552 switch (surf->TextureTarget) {
1553 case EGL_TEXTURE_2D:
1554 target = GL_TEXTURE_2D;
1555 break;
1556 default:
1557 assert(0);
1558 }
1559
1560 if (dri2_dpy->tex_buffer->base.version >= 3 &&
1561 dri2_dpy->tex_buffer->releaseTexBuffer != NULL) {
1562 (*dri2_dpy->tex_buffer->releaseTexBuffer)(dri2_ctx->dri_context,
1563 target,
1564 dri_drawable);
1565 }
1566
1567 return EGL_TRUE;
1568 }
1569
1570 static _EGLImage*
1571 dri2_create_image(_EGLDriver *drv, _EGLDisplay *dpy, _EGLContext *ctx,
1572 EGLenum target, EGLClientBuffer buffer,
1573 const EGLint *attr_list)
1574 {
1575 struct dri2_egl_display *dri2_dpy = dri2_egl_display(dpy);
1576 return dri2_dpy->vtbl->create_image(drv, dpy, ctx, target, buffer,
1577 attr_list);
1578 }
1579
1580 static _EGLImage *
1581 dri2_create_image_from_dri(_EGLDisplay *disp, __DRIimage *dri_image)
1582 {
1583 struct dri2_egl_image *dri2_img;
1584
1585 if (dri_image == NULL) {
1586 _eglError(EGL_BAD_ALLOC, "dri2_create_image");
1587 return NULL;
1588 }
1589
1590 dri2_img = malloc(sizeof *dri2_img);
1591 if (!dri2_img) {
1592 _eglError(EGL_BAD_ALLOC, "dri2_create_image");
1593 return NULL;
1594 }
1595
1596 if (!_eglInitImage(&dri2_img->base, disp)) {
1597 free(dri2_img);
1598 return NULL;
1599 }
1600
1601 dri2_img->dri_image = dri_image;
1602
1603 return &dri2_img->base;
1604 }
1605
1606 static _EGLImage *
1607 dri2_create_image_khr_renderbuffer(_EGLDisplay *disp, _EGLContext *ctx,
1608 EGLClientBuffer buffer,
1609 const EGLint *attr_list)
1610 {
1611 struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
1612 struct dri2_egl_context *dri2_ctx = dri2_egl_context(ctx);
1613 GLuint renderbuffer = (GLuint) (uintptr_t) buffer;
1614 __DRIimage *dri_image;
1615
1616 if (renderbuffer == 0) {
1617 _eglError(EGL_BAD_PARAMETER, "dri2_create_image_khr");
1618 return EGL_NO_IMAGE_KHR;
1619 }
1620
1621 dri_image =
1622 dri2_dpy->image->createImageFromRenderbuffer(dri2_ctx->dri_context,
1623 renderbuffer, NULL);
1624
1625 return dri2_create_image_from_dri(disp, dri_image);
1626 }
1627
1628 #ifdef HAVE_WAYLAND_PLATFORM
1629
1630 /* This structure describes how a wl_buffer maps to one or more
1631 * __DRIimages. A wl_drm_buffer stores the wl_drm format code and the
1632 * offsets and strides of the planes in the buffer. This table maps a
1633 * wl_drm format code to a description of the planes in the buffer
1634 * that lets us create a __DRIimage for each of the planes. */
1635
1636 static const struct wl_drm_components_descriptor {
1637 uint32_t dri_components;
1638 EGLint components;
1639 int nplanes;
1640 } wl_drm_components[] = {
1641 { __DRI_IMAGE_COMPONENTS_RGB, EGL_TEXTURE_RGB, 1 },
1642 { __DRI_IMAGE_COMPONENTS_RGBA, EGL_TEXTURE_RGBA, 1 },
1643 { __DRI_IMAGE_COMPONENTS_Y_U_V, EGL_TEXTURE_Y_U_V_WL, 3 },
1644 { __DRI_IMAGE_COMPONENTS_Y_UV, EGL_TEXTURE_Y_UV_WL, 2 },
1645 { __DRI_IMAGE_COMPONENTS_Y_XUXV, EGL_TEXTURE_Y_XUXV_WL, 2 },
1646 };
1647
1648 static _EGLImage *
1649 dri2_create_image_wayland_wl_buffer(_EGLDisplay *disp, _EGLContext *ctx,
1650 EGLClientBuffer _buffer,
1651 const EGLint *attr_list)
1652 {
1653 struct wl_drm_buffer *buffer;
1654 struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
1655 const struct wl_drm_components_descriptor *f;
1656 __DRIimage *dri_image;
1657 _EGLImageAttribs attrs;
1658 EGLint err;
1659 int32_t plane;
1660
1661 buffer = wayland_drm_buffer_get(dri2_dpy->wl_server_drm,
1662 (struct wl_resource *) _buffer);
1663 if (!buffer)
1664 return NULL;
1665
1666 err = _eglParseImageAttribList(&attrs, disp, attr_list);
1667 plane = attrs.PlaneWL;
1668 if (err != EGL_SUCCESS) {
1669 _eglError(EGL_BAD_PARAMETER, "dri2_create_image_wayland_wl_buffer");
1670 return NULL;
1671 }
1672
1673 f = buffer->driver_format;
1674 if (plane < 0 || plane >= f->nplanes) {
1675 _eglError(EGL_BAD_PARAMETER,
1676 "dri2_create_image_wayland_wl_buffer (plane out of bounds)");
1677 return NULL;
1678 }
1679
1680 dri_image = dri2_dpy->image->fromPlanar(buffer->driver_buffer, plane, NULL);
1681
1682 if (dri_image == NULL) {
1683 _eglError(EGL_BAD_PARAMETER, "dri2_create_image_wayland_wl_buffer");
1684 return NULL;
1685 }
1686
1687 return dri2_create_image_from_dri(disp, dri_image);
1688 }
1689 #endif
1690
1691 static EGLBoolean
1692 dri2_get_sync_values_chromium(_EGLDisplay *dpy, _EGLSurface *surf,
1693 EGLuint64KHR *ust, EGLuint64KHR *msc,
1694 EGLuint64KHR *sbc)
1695 {
1696 struct dri2_egl_display *dri2_dpy = dri2_egl_display(dpy);
1697 return dri2_dpy->vtbl->get_sync_values(dpy, surf, ust, msc, sbc);
1698 }
1699
1700 /**
1701 * Set the error code after a call to
1702 * dri2_egl_image::dri_image::createImageFromTexture.
1703 */
1704 static void
1705 dri2_create_image_khr_texture_error(int dri_error)
1706 {
1707 EGLint egl_error;
1708
1709 switch (dri_error) {
1710 case __DRI_IMAGE_ERROR_SUCCESS:
1711 return;
1712
1713 case __DRI_IMAGE_ERROR_BAD_ALLOC:
1714 egl_error = EGL_BAD_ALLOC;
1715 break;
1716
1717 case __DRI_IMAGE_ERROR_BAD_MATCH:
1718 egl_error = EGL_BAD_MATCH;
1719 break;
1720
1721 case __DRI_IMAGE_ERROR_BAD_PARAMETER:
1722 egl_error = EGL_BAD_PARAMETER;
1723 break;
1724
1725 case __DRI_IMAGE_ERROR_BAD_ACCESS:
1726 egl_error = EGL_BAD_ACCESS;
1727 break;
1728
1729 default:
1730 assert(0);
1731 egl_error = EGL_BAD_MATCH;
1732 break;
1733 }
1734
1735 _eglError(egl_error, "dri2_create_image_khr_texture");
1736 }
1737
1738 static _EGLImage *
1739 dri2_create_image_khr_texture(_EGLDisplay *disp, _EGLContext *ctx,
1740 EGLenum target,
1741 EGLClientBuffer buffer,
1742 const EGLint *attr_list)
1743 {
1744 struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
1745 struct dri2_egl_context *dri2_ctx = dri2_egl_context(ctx);
1746 struct dri2_egl_image *dri2_img;
1747 GLuint texture = (GLuint) (uintptr_t) buffer;
1748 _EGLImageAttribs attrs;
1749 GLuint depth;
1750 GLenum gl_target;
1751 unsigned error;
1752
1753 if (texture == 0) {
1754 _eglError(EGL_BAD_PARAMETER, "dri2_create_image_khr");
1755 return EGL_NO_IMAGE_KHR;
1756 }
1757
1758 if (_eglParseImageAttribList(&attrs, disp, attr_list) != EGL_SUCCESS)
1759 return EGL_NO_IMAGE_KHR;
1760
1761 switch (target) {
1762 case EGL_GL_TEXTURE_2D_KHR:
1763 depth = 0;
1764 gl_target = GL_TEXTURE_2D;
1765 break;
1766 case EGL_GL_TEXTURE_3D_KHR:
1767 if (disp->Extensions.KHR_gl_texture_3D_image) {
1768 depth = attrs.GLTextureZOffset;
1769 gl_target = GL_TEXTURE_3D;
1770 break;
1771 }
1772 else {
1773 _eglError(EGL_BAD_PARAMETER, "dri2_create_image_khr");
1774 return EGL_NO_IMAGE_KHR;
1775 }
1776 case EGL_GL_TEXTURE_CUBE_MAP_POSITIVE_X_KHR:
1777 case EGL_GL_TEXTURE_CUBE_MAP_NEGATIVE_X_KHR:
1778 case EGL_GL_TEXTURE_CUBE_MAP_POSITIVE_Y_KHR:
1779 case EGL_GL_TEXTURE_CUBE_MAP_NEGATIVE_Y_KHR:
1780 case EGL_GL_TEXTURE_CUBE_MAP_POSITIVE_Z_KHR:
1781 case EGL_GL_TEXTURE_CUBE_MAP_NEGATIVE_Z_KHR:
1782 depth = target - EGL_GL_TEXTURE_CUBE_MAP_POSITIVE_X_KHR;
1783 gl_target = GL_TEXTURE_CUBE_MAP;
1784 break;
1785 default:
1786 _eglError(EGL_BAD_PARAMETER, "dri2_create_image_khr");
1787 return EGL_NO_IMAGE_KHR;
1788 }
1789
1790 dri2_img = malloc(sizeof *dri2_img);
1791 if (!dri2_img) {
1792 _eglError(EGL_BAD_ALLOC, "dri2_create_image_khr");
1793 return EGL_NO_IMAGE_KHR;
1794 }
1795
1796 if (!_eglInitImage(&dri2_img->base, disp)) {
1797 _eglError(EGL_BAD_ALLOC, "dri2_create_image_khr");
1798 free(dri2_img);
1799 return EGL_NO_IMAGE_KHR;
1800 }
1801
1802 dri2_img->dri_image =
1803 dri2_dpy->image->createImageFromTexture(dri2_ctx->dri_context,
1804 gl_target,
1805 texture,
1806 depth,
1807 attrs.GLTextureLevel,
1808 &error,
1809 dri2_img);
1810 dri2_create_image_khr_texture_error(error);
1811
1812 if (!dri2_img->dri_image) {
1813 free(dri2_img);
1814 return EGL_NO_IMAGE_KHR;
1815 }
1816 return &dri2_img->base;
1817 }
1818
1819 static EGLBoolean
1820 dri2_query_surface(_EGLDriver *drv, _EGLDisplay *dpy, _EGLSurface *surf,
1821 EGLint attribute, EGLint *value)
1822 {
1823 struct dri2_egl_display *dri2_dpy = dri2_egl_display(dpy);
1824 if (!dri2_dpy->vtbl->query_surface)
1825 return _eglQuerySurface(drv, dpy, surf, attribute, value);
1826 return dri2_dpy->vtbl->query_surface(drv, dpy, surf, attribute, value);
1827 }
1828
1829 static struct wl_buffer*
1830 dri2_create_wayland_buffer_from_image(_EGLDriver *drv, _EGLDisplay *dpy,
1831 _EGLImage *img)
1832 {
1833 struct dri2_egl_display *dri2_dpy = dri2_egl_display(dpy);
1834 return dri2_dpy->vtbl->create_wayland_buffer_from_image(drv, dpy, img);
1835 }
1836
1837 #ifdef HAVE_LIBDRM
1838 static _EGLImage *
1839 dri2_create_image_mesa_drm_buffer(_EGLDisplay *disp, _EGLContext *ctx,
1840 EGLClientBuffer buffer, const EGLint *attr_list)
1841 {
1842 struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
1843 EGLint format, name, pitch, err;
1844 _EGLImageAttribs attrs;
1845 __DRIimage *dri_image;
1846
1847 name = (EGLint) (uintptr_t) buffer;
1848
1849 err = _eglParseImageAttribList(&attrs, disp, attr_list);
1850 if (err != EGL_SUCCESS)
1851 return NULL;
1852
1853 if (attrs.Width <= 0 || attrs.Height <= 0 ||
1854 attrs.DRMBufferStrideMESA <= 0) {
1855 _eglError(EGL_BAD_PARAMETER,
1856 "bad width, height or stride");
1857 return NULL;
1858 }
1859
1860 switch (attrs.DRMBufferFormatMESA) {
1861 case EGL_DRM_BUFFER_FORMAT_ARGB32_MESA:
1862 format = __DRI_IMAGE_FORMAT_ARGB8888;
1863 pitch = attrs.DRMBufferStrideMESA;
1864 break;
1865 default:
1866 _eglError(EGL_BAD_PARAMETER,
1867 "dri2_create_image_khr: unsupported pixmap depth");
1868 return NULL;
1869 }
1870
1871 dri_image =
1872 dri2_dpy->image->createImageFromName(dri2_dpy->dri_screen,
1873 attrs.Width,
1874 attrs.Height,
1875 format,
1876 name,
1877 pitch,
1878 NULL);
1879
1880 return dri2_create_image_from_dri(disp, dri_image);
1881 }
1882
1883 static EGLBoolean
1884 dri2_check_dma_buf_attribs(const _EGLImageAttribs *attrs)
1885 {
1886 unsigned i;
1887
1888 /**
1889 * The spec says:
1890 *
1891 * "Required attributes and their values are as follows:
1892 *
1893 * * EGL_WIDTH & EGL_HEIGHT: The logical dimensions of the buffer in pixels
1894 *
1895 * * EGL_LINUX_DRM_FOURCC_EXT: The pixel format of the buffer, as specified
1896 * by drm_fourcc.h and used as the pixel_format parameter of the
1897 * drm_mode_fb_cmd2 ioctl."
1898 *
1899 * and
1900 *
1901 * "* If <target> is EGL_LINUX_DMA_BUF_EXT, and the list of attributes is
1902 * incomplete, EGL_BAD_PARAMETER is generated."
1903 */
1904 if (attrs->Width <= 0 || attrs->Height <= 0 ||
1905 !attrs->DMABufFourCC.IsPresent) {
1906 _eglError(EGL_BAD_PARAMETER, "attribute(s) missing");
1907 return EGL_FALSE;
1908 }
1909
1910 /**
1911 * Also:
1912 *
1913 * "If <target> is EGL_LINUX_DMA_BUF_EXT and one or more of the values
1914 * specified for a plane's pitch or offset isn't supported by EGL,
1915 * EGL_BAD_ACCESS is generated."
1916 */
1917 for (i = 0; i < ARRAY_SIZE(attrs->DMABufPlanePitches); ++i) {
1918 if (attrs->DMABufPlanePitches[i].IsPresent &&
1919 attrs->DMABufPlanePitches[i].Value <= 0) {
1920 _eglError(EGL_BAD_ACCESS, "invalid pitch");
1921 return EGL_FALSE;
1922 }
1923 }
1924
1925 return EGL_TRUE;
1926 }
1927
1928 /* Returns the total number of file descriptors. Zero indicates an error. */
1929 static unsigned
1930 dri2_check_dma_buf_format(const _EGLImageAttribs *attrs)
1931 {
1932 unsigned i, plane_n;
1933
1934 switch (attrs->DMABufFourCC.Value) {
1935 case DRM_FORMAT_R8:
1936 case DRM_FORMAT_RG88:
1937 case DRM_FORMAT_GR88:
1938 case DRM_FORMAT_RGB332:
1939 case DRM_FORMAT_BGR233:
1940 case DRM_FORMAT_XRGB4444:
1941 case DRM_FORMAT_XBGR4444:
1942 case DRM_FORMAT_RGBX4444:
1943 case DRM_FORMAT_BGRX4444:
1944 case DRM_FORMAT_ARGB4444:
1945 case DRM_FORMAT_ABGR4444:
1946 case DRM_FORMAT_RGBA4444:
1947 case DRM_FORMAT_BGRA4444:
1948 case DRM_FORMAT_XRGB1555:
1949 case DRM_FORMAT_XBGR1555:
1950 case DRM_FORMAT_RGBX5551:
1951 case DRM_FORMAT_BGRX5551:
1952 case DRM_FORMAT_ARGB1555:
1953 case DRM_FORMAT_ABGR1555:
1954 case DRM_FORMAT_RGBA5551:
1955 case DRM_FORMAT_BGRA5551:
1956 case DRM_FORMAT_RGB565:
1957 case DRM_FORMAT_BGR565:
1958 case DRM_FORMAT_RGB888:
1959 case DRM_FORMAT_BGR888:
1960 case DRM_FORMAT_XRGB8888:
1961 case DRM_FORMAT_XBGR8888:
1962 case DRM_FORMAT_RGBX8888:
1963 case DRM_FORMAT_BGRX8888:
1964 case DRM_FORMAT_ARGB8888:
1965 case DRM_FORMAT_ABGR8888:
1966 case DRM_FORMAT_RGBA8888:
1967 case DRM_FORMAT_BGRA8888:
1968 case DRM_FORMAT_XRGB2101010:
1969 case DRM_FORMAT_XBGR2101010:
1970 case DRM_FORMAT_RGBX1010102:
1971 case DRM_FORMAT_BGRX1010102:
1972 case DRM_FORMAT_ARGB2101010:
1973 case DRM_FORMAT_ABGR2101010:
1974 case DRM_FORMAT_RGBA1010102:
1975 case DRM_FORMAT_BGRA1010102:
1976 case DRM_FORMAT_YUYV:
1977 case DRM_FORMAT_YVYU:
1978 case DRM_FORMAT_UYVY:
1979 case DRM_FORMAT_VYUY:
1980 plane_n = 1;
1981 break;
1982 case DRM_FORMAT_NV12:
1983 case DRM_FORMAT_NV21:
1984 case DRM_FORMAT_NV16:
1985 case DRM_FORMAT_NV61:
1986 plane_n = 2;
1987 break;
1988 case DRM_FORMAT_YUV410:
1989 case DRM_FORMAT_YVU410:
1990 case DRM_FORMAT_YUV411:
1991 case DRM_FORMAT_YVU411:
1992 case DRM_FORMAT_YUV420:
1993 case DRM_FORMAT_YVU420:
1994 case DRM_FORMAT_YUV422:
1995 case DRM_FORMAT_YVU422:
1996 case DRM_FORMAT_YUV444:
1997 case DRM_FORMAT_YVU444:
1998 plane_n = 3;
1999 break;
2000 default:
2001 _eglError(EGL_BAD_ATTRIBUTE, "invalid format");
2002 return 0;
2003 }
2004
2005 /**
2006 * The spec says:
2007 *
2008 * "* If <target> is EGL_LINUX_DMA_BUF_EXT, and the list of attributes is
2009 * incomplete, EGL_BAD_PARAMETER is generated."
2010 */
2011 for (i = 0; i < plane_n; ++i) {
2012 if (!attrs->DMABufPlaneFds[i].IsPresent ||
2013 !attrs->DMABufPlaneOffsets[i].IsPresent ||
2014 !attrs->DMABufPlanePitches[i].IsPresent) {
2015 _eglError(EGL_BAD_PARAMETER, "plane attribute(s) missing");
2016 return 0;
2017 }
2018 }
2019
2020 /**
2021 * The spec also says:
2022 *
2023 * "If <target> is EGL_LINUX_DMA_BUF_EXT, and the EGL_LINUX_DRM_FOURCC_EXT
2024 * attribute indicates a single-plane format, EGL_BAD_ATTRIBUTE is
2025 * generated if any of the EGL_DMA_BUF_PLANE1_* or EGL_DMA_BUF_PLANE2_*
2026 * attributes are specified."
2027 */
2028 for (i = plane_n; i < 3; ++i) {
2029 if (attrs->DMABufPlaneFds[i].IsPresent ||
2030 attrs->DMABufPlaneOffsets[i].IsPresent ||
2031 attrs->DMABufPlanePitches[i].IsPresent) {
2032 _eglError(EGL_BAD_ATTRIBUTE, "too many plane attributes");
2033 return 0;
2034 }
2035 }
2036
2037 return plane_n;
2038 }
2039
2040 /**
2041 * The spec says:
2042 *
2043 * "If eglCreateImageKHR is successful for a EGL_LINUX_DMA_BUF_EXT target, the
2044 * EGL will take a reference to the dma_buf(s) which it will release at any
2045 * time while the EGLDisplay is initialized. It is the responsibility of the
2046 * application to close the dma_buf file descriptors."
2047 *
2048 * Therefore we must never close or otherwise modify the file descriptors.
2049 */
2050 _EGLImage *
2051 dri2_create_image_dma_buf(_EGLDisplay *disp, _EGLContext *ctx,
2052 EGLClientBuffer buffer, const EGLint *attr_list)
2053 {
2054 struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
2055 _EGLImage *res;
2056 EGLint err;
2057 _EGLImageAttribs attrs;
2058 __DRIimage *dri_image;
2059 unsigned num_fds;
2060 unsigned i;
2061 int fds[3];
2062 int pitches[3];
2063 int offsets[3];
2064 unsigned error;
2065
2066 /**
2067 * The spec says:
2068 *
2069 * ""* If <target> is EGL_LINUX_DMA_BUF_EXT and <buffer> is not NULL, the
2070 * error EGL_BAD_PARAMETER is generated."
2071 */
2072 if (buffer != NULL) {
2073 _eglError(EGL_BAD_PARAMETER, "buffer not NULL");
2074 return NULL;
2075 }
2076
2077 err = _eglParseImageAttribList(&attrs, disp, attr_list);
2078 if (err != EGL_SUCCESS) {
2079 _eglError(err, "bad attribute");
2080 return NULL;
2081 }
2082
2083 if (!dri2_check_dma_buf_attribs(&attrs))
2084 return NULL;
2085
2086 num_fds = dri2_check_dma_buf_format(&attrs);
2087 if (!num_fds)
2088 return NULL;
2089
2090 for (i = 0; i < num_fds; ++i) {
2091 fds[i] = attrs.DMABufPlaneFds[i].Value;
2092 pitches[i] = attrs.DMABufPlanePitches[i].Value;
2093 offsets[i] = attrs.DMABufPlaneOffsets[i].Value;
2094 }
2095
2096 dri_image =
2097 dri2_dpy->image->createImageFromDmaBufs(dri2_dpy->dri_screen,
2098 attrs.Width, attrs.Height, attrs.DMABufFourCC.Value,
2099 fds, num_fds, pitches, offsets,
2100 attrs.DMABufYuvColorSpaceHint.Value,
2101 attrs.DMABufSampleRangeHint.Value,
2102 attrs.DMABufChromaHorizontalSiting.Value,
2103 attrs.DMABufChromaVerticalSiting.Value,
2104 &error,
2105 NULL);
2106 dri2_create_image_khr_texture_error(error);
2107
2108 if (!dri_image)
2109 return EGL_NO_IMAGE_KHR;
2110
2111 res = dri2_create_image_from_dri(disp, dri_image);
2112
2113 return res;
2114 }
2115 static _EGLImage *
2116 dri2_create_drm_image_mesa(_EGLDriver *drv, _EGLDisplay *disp,
2117 const EGLint *attr_list)
2118 {
2119 struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
2120 struct dri2_egl_image *dri2_img;
2121 _EGLImageAttribs attrs;
2122 unsigned int dri_use, valid_mask;
2123 int format;
2124 EGLint err = EGL_SUCCESS;
2125
2126 (void) drv;
2127
2128 dri2_img = malloc(sizeof *dri2_img);
2129 if (!dri2_img) {
2130 _eglError(EGL_BAD_ALLOC, "dri2_create_image_khr");
2131 return EGL_NO_IMAGE_KHR;
2132 }
2133
2134 if (!attr_list) {
2135 err = EGL_BAD_PARAMETER;
2136 goto cleanup_img;
2137 }
2138
2139 if (!_eglInitImage(&dri2_img->base, disp)) {
2140 err = EGL_BAD_PARAMETER;
2141 goto cleanup_img;
2142 }
2143
2144 err = _eglParseImageAttribList(&attrs, disp, attr_list);
2145 if (err != EGL_SUCCESS)
2146 goto cleanup_img;
2147
2148 if (attrs.Width <= 0 || attrs.Height <= 0) {
2149 _eglLog(_EGL_WARNING, "bad width or height (%dx%d)",
2150 attrs.Width, attrs.Height);
2151 goto cleanup_img;
2152 }
2153
2154 switch (attrs.DRMBufferFormatMESA) {
2155 case EGL_DRM_BUFFER_FORMAT_ARGB32_MESA:
2156 format = __DRI_IMAGE_FORMAT_ARGB8888;
2157 break;
2158 default:
2159 _eglLog(_EGL_WARNING, "bad image format value 0x%04x",
2160 attrs.DRMBufferFormatMESA);
2161 goto cleanup_img;
2162 }
2163
2164 valid_mask =
2165 EGL_DRM_BUFFER_USE_SCANOUT_MESA |
2166 EGL_DRM_BUFFER_USE_SHARE_MESA |
2167 EGL_DRM_BUFFER_USE_CURSOR_MESA;
2168 if (attrs.DRMBufferUseMESA & ~valid_mask) {
2169 _eglLog(_EGL_WARNING, "bad image use bit 0x%04x",
2170 attrs.DRMBufferUseMESA & ~valid_mask);
2171 goto cleanup_img;
2172 }
2173
2174 dri_use = 0;
2175 if (attrs.DRMBufferUseMESA & EGL_DRM_BUFFER_USE_SHARE_MESA)
2176 dri_use |= __DRI_IMAGE_USE_SHARE;
2177 if (attrs.DRMBufferUseMESA & EGL_DRM_BUFFER_USE_SCANOUT_MESA)
2178 dri_use |= __DRI_IMAGE_USE_SCANOUT;
2179 if (attrs.DRMBufferUseMESA & EGL_DRM_BUFFER_USE_CURSOR_MESA)
2180 dri_use |= __DRI_IMAGE_USE_CURSOR;
2181
2182 dri2_img->dri_image =
2183 dri2_dpy->image->createImage(dri2_dpy->dri_screen,
2184 attrs.Width, attrs.Height,
2185 format, dri_use, dri2_img);
2186 if (dri2_img->dri_image == NULL) {
2187 err = EGL_BAD_ALLOC;
2188 goto cleanup_img;
2189 }
2190
2191 return &dri2_img->base;
2192
2193 cleanup_img:
2194 free(dri2_img);
2195 _eglError(err, "dri2_create_drm_image_mesa");
2196
2197 return EGL_NO_IMAGE_KHR;
2198 }
2199
2200 static EGLBoolean
2201 dri2_export_drm_image_mesa(_EGLDriver *drv, _EGLDisplay *disp, _EGLImage *img,
2202 EGLint *name, EGLint *handle, EGLint *stride)
2203 {
2204 struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
2205 struct dri2_egl_image *dri2_img = dri2_egl_image(img);
2206
2207 (void) drv;
2208
2209 if (name && !dri2_dpy->image->queryImage(dri2_img->dri_image,
2210 __DRI_IMAGE_ATTRIB_NAME, name)) {
2211 _eglError(EGL_BAD_ALLOC, "dri2_export_drm_image_mesa");
2212 return EGL_FALSE;
2213 }
2214
2215 if (handle)
2216 dri2_dpy->image->queryImage(dri2_img->dri_image,
2217 __DRI_IMAGE_ATTRIB_HANDLE, handle);
2218
2219 if (stride)
2220 dri2_dpy->image->queryImage(dri2_img->dri_image,
2221 __DRI_IMAGE_ATTRIB_STRIDE, stride);
2222
2223 return EGL_TRUE;
2224 }
2225
2226 static EGLBoolean
2227 dri2_export_dma_buf_image_query_mesa(_EGLDriver *drv, _EGLDisplay *disp,
2228 _EGLImage *img,
2229 EGLint *fourcc, EGLint *nplanes,
2230 EGLuint64KHR *modifiers)
2231 {
2232 struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
2233 struct dri2_egl_image *dri2_img = dri2_egl_image(img);
2234
2235 (void) drv;
2236
2237
2238 if (nplanes)
2239 dri2_dpy->image->queryImage(dri2_img->dri_image,
2240 __DRI_IMAGE_ATTRIB_NUM_PLANES, nplanes);
2241 if (fourcc)
2242 dri2_dpy->image->queryImage(dri2_img->dri_image,
2243 __DRI_IMAGE_ATTRIB_FOURCC, fourcc);
2244
2245 if (modifiers)
2246 *modifiers = 0;
2247
2248 return EGL_TRUE;
2249 }
2250
2251 static EGLBoolean
2252 dri2_export_dma_buf_image_mesa(_EGLDriver *drv, _EGLDisplay *disp, _EGLImage *img,
2253 int *fds, EGLint *strides, EGLint *offsets)
2254 {
2255 struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
2256 struct dri2_egl_image *dri2_img = dri2_egl_image(img);
2257
2258 (void) drv;
2259
2260 /* rework later to provide multiple fds/strides/offsets */
2261 if (fds)
2262 dri2_dpy->image->queryImage(dri2_img->dri_image,
2263 __DRI_IMAGE_ATTRIB_FD, fds);
2264
2265 if (strides)
2266 dri2_dpy->image->queryImage(dri2_img->dri_image,
2267 __DRI_IMAGE_ATTRIB_STRIDE, strides);
2268
2269 if (offsets)
2270 offsets[0] = 0;
2271
2272 return EGL_TRUE;
2273 }
2274
2275 #endif
2276
2277 _EGLImage *
2278 dri2_create_image_khr(_EGLDriver *drv, _EGLDisplay *disp,
2279 _EGLContext *ctx, EGLenum target,
2280 EGLClientBuffer buffer, const EGLint *attr_list)
2281 {
2282 (void) drv;
2283
2284 switch (target) {
2285 case EGL_GL_TEXTURE_2D_KHR:
2286 case EGL_GL_TEXTURE_CUBE_MAP_POSITIVE_X_KHR:
2287 case EGL_GL_TEXTURE_CUBE_MAP_NEGATIVE_X_KHR:
2288 case EGL_GL_TEXTURE_CUBE_MAP_POSITIVE_Y_KHR:
2289 case EGL_GL_TEXTURE_CUBE_MAP_NEGATIVE_Y_KHR:
2290 case EGL_GL_TEXTURE_CUBE_MAP_POSITIVE_Z_KHR:
2291 case EGL_GL_TEXTURE_CUBE_MAP_NEGATIVE_Z_KHR:
2292 return dri2_create_image_khr_texture(disp, ctx, target, buffer, attr_list);
2293 case EGL_GL_TEXTURE_3D_KHR:
2294 if (disp->Extensions.KHR_gl_texture_3D_image) {
2295 return dri2_create_image_khr_texture(disp, ctx, target, buffer, attr_list);
2296 }
2297 else {
2298 _eglError(EGL_BAD_PARAMETER, "dri2_create_image_khr");
2299 return EGL_NO_IMAGE_KHR;
2300 }
2301 case EGL_GL_RENDERBUFFER_KHR:
2302 return dri2_create_image_khr_renderbuffer(disp, ctx, buffer, attr_list);
2303 #ifdef HAVE_LIBDRM
2304 case EGL_DRM_BUFFER_MESA:
2305 return dri2_create_image_mesa_drm_buffer(disp, ctx, buffer, attr_list);
2306 case EGL_LINUX_DMA_BUF_EXT:
2307 return dri2_create_image_dma_buf(disp, ctx, buffer, attr_list);
2308 #endif
2309 #ifdef HAVE_WAYLAND_PLATFORM
2310 case EGL_WAYLAND_BUFFER_WL:
2311 return dri2_create_image_wayland_wl_buffer(disp, ctx, buffer, attr_list);
2312 #endif
2313 default:
2314 _eglError(EGL_BAD_PARAMETER, "dri2_create_image_khr");
2315 return EGL_NO_IMAGE_KHR;
2316 }
2317 }
2318
2319 static EGLBoolean
2320 dri2_destroy_image_khr(_EGLDriver *drv, _EGLDisplay *disp, _EGLImage *image)
2321 {
2322 struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
2323 struct dri2_egl_image *dri2_img = dri2_egl_image(image);
2324
2325 (void) drv;
2326
2327 dri2_dpy->image->destroyImage(dri2_img->dri_image);
2328 free(dri2_img);
2329
2330 return EGL_TRUE;
2331 }
2332
2333 #ifdef HAVE_WAYLAND_PLATFORM
2334
2335 static void
2336 dri2_wl_reference_buffer(void *user_data, uint32_t name, int fd,
2337 struct wl_drm_buffer *buffer)
2338 {
2339 _EGLDisplay *disp = user_data;
2340 struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
2341 __DRIimage *img;
2342 int i, dri_components = 0;
2343
2344 if (fd == -1)
2345 img = dri2_dpy->image->createImageFromNames(dri2_dpy->dri_screen,
2346 buffer->width,
2347 buffer->height,
2348 buffer->format,
2349 (int*)&name, 1,
2350 buffer->stride,
2351 buffer->offset,
2352 NULL);
2353 else
2354 img = dri2_dpy->image->createImageFromFds(dri2_dpy->dri_screen,
2355 buffer->width,
2356 buffer->height,
2357 buffer->format,
2358 &fd, 1,
2359 buffer->stride,
2360 buffer->offset,
2361 NULL);
2362
2363 if (img == NULL)
2364 return;
2365
2366 dri2_dpy->image->queryImage(img, __DRI_IMAGE_ATTRIB_COMPONENTS, &dri_components);
2367
2368 buffer->driver_format = NULL;
2369 for (i = 0; i < ARRAY_SIZE(wl_drm_components); i++)
2370 if (wl_drm_components[i].dri_components == dri_components)
2371 buffer->driver_format = &wl_drm_components[i];
2372
2373 if (buffer->driver_format == NULL)
2374 dri2_dpy->image->destroyImage(img);
2375 else
2376 buffer->driver_buffer = img;
2377 }
2378
2379 static void
2380 dri2_wl_release_buffer(void *user_data, struct wl_drm_buffer *buffer)
2381 {
2382 _EGLDisplay *disp = user_data;
2383 struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
2384
2385 dri2_dpy->image->destroyImage(buffer->driver_buffer);
2386 }
2387
2388 static struct wayland_drm_callbacks wl_drm_callbacks = {
2389 .authenticate = NULL,
2390 .reference_buffer = dri2_wl_reference_buffer,
2391 .release_buffer = dri2_wl_release_buffer
2392 };
2393
2394 static EGLBoolean
2395 dri2_bind_wayland_display_wl(_EGLDriver *drv, _EGLDisplay *disp,
2396 struct wl_display *wl_dpy)
2397 {
2398 struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
2399 int flags = 0;
2400 uint64_t cap;
2401
2402 (void) drv;
2403
2404 if (dri2_dpy->wl_server_drm)
2405 return EGL_FALSE;
2406
2407 wl_drm_callbacks.authenticate =
2408 (int(*)(void *, uint32_t)) dri2_dpy->vtbl->authenticate;
2409
2410 if (drmGetCap(dri2_dpy->fd, DRM_CAP_PRIME, &cap) == 0 &&
2411 cap == (DRM_PRIME_CAP_IMPORT | DRM_PRIME_CAP_EXPORT) &&
2412 dri2_dpy->image->base.version >= 7 &&
2413 dri2_dpy->image->createImageFromFds != NULL)
2414 flags |= WAYLAND_DRM_PRIME;
2415
2416 dri2_dpy->wl_server_drm =
2417 wayland_drm_init(wl_dpy, dri2_dpy->device_name,
2418 &wl_drm_callbacks, disp, flags);
2419
2420 if (!dri2_dpy->wl_server_drm)
2421 return EGL_FALSE;
2422
2423 #ifdef HAVE_DRM_PLATFORM
2424 /* We have to share the wl_drm instance with gbm, so gbm can convert
2425 * wl_buffers to gbm bos. */
2426 if (dri2_dpy->gbm_dri)
2427 dri2_dpy->gbm_dri->wl_drm = dri2_dpy->wl_server_drm;
2428 #endif
2429
2430 return EGL_TRUE;
2431 }
2432
2433 static EGLBoolean
2434 dri2_unbind_wayland_display_wl(_EGLDriver *drv, _EGLDisplay *disp,
2435 struct wl_display *wl_dpy)
2436 {
2437 struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
2438
2439 (void) drv;
2440
2441 if (!dri2_dpy->wl_server_drm)
2442 return EGL_FALSE;
2443
2444 wayland_drm_uninit(dri2_dpy->wl_server_drm);
2445 dri2_dpy->wl_server_drm = NULL;
2446
2447 return EGL_TRUE;
2448 }
2449
2450 static EGLBoolean
2451 dri2_query_wayland_buffer_wl(_EGLDriver *drv, _EGLDisplay *disp,
2452 struct wl_resource *buffer_resource,
2453 EGLint attribute, EGLint *value)
2454 {
2455 struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
2456 struct wl_drm_buffer *buffer;
2457 const struct wl_drm_components_descriptor *format;
2458
2459 buffer = wayland_drm_buffer_get(dri2_dpy->wl_server_drm, buffer_resource);
2460 if (!buffer)
2461 return EGL_FALSE;
2462
2463 format = buffer->driver_format;
2464 switch (attribute) {
2465 case EGL_TEXTURE_FORMAT:
2466 *value = format->components;
2467 return EGL_TRUE;
2468 case EGL_WIDTH:
2469 *value = buffer->width;
2470 return EGL_TRUE;
2471 case EGL_HEIGHT:
2472 *value = buffer->height;
2473 return EGL_TRUE;
2474 }
2475
2476 return EGL_FALSE;
2477 }
2478 #endif
2479
2480 static void
2481 dri2_egl_ref_sync(struct dri2_egl_sync *sync)
2482 {
2483 p_atomic_inc(&sync->refcount);
2484 }
2485
2486 static void
2487 dri2_egl_unref_sync(struct dri2_egl_display *dri2_dpy,
2488 struct dri2_egl_sync *dri2_sync)
2489 {
2490 if (p_atomic_dec_zero(&dri2_sync->refcount)) {
2491 if (dri2_sync->base.Type == EGL_SYNC_REUSABLE_KHR)
2492 cnd_destroy(&dri2_sync->cond);
2493
2494 if (dri2_sync->fence)
2495 dri2_dpy->fence->destroy_fence(dri2_dpy->dri_screen, dri2_sync->fence);
2496
2497 free(dri2_sync);
2498 }
2499 }
2500
2501 static _EGLSync *
2502 dri2_create_sync(_EGLDriver *drv, _EGLDisplay *dpy,
2503 EGLenum type, const EGLint *attrib_list,
2504 const EGLAttrib *attrib_list64)
2505 {
2506 _EGLContext *ctx = _eglGetCurrentContext();
2507 struct dri2_egl_display *dri2_dpy = dri2_egl_display(dpy);
2508 struct dri2_egl_context *dri2_ctx = dri2_egl_context(ctx);
2509 struct dri2_egl_sync *dri2_sync;
2510 EGLint ret;
2511 pthread_condattr_t attr;
2512
2513 dri2_sync = calloc(1, sizeof(struct dri2_egl_sync));
2514 if (!dri2_sync) {
2515 _eglError(EGL_BAD_ALLOC, "eglCreateSyncKHR");
2516 return NULL;
2517 }
2518
2519 if (!_eglInitSync(&dri2_sync->base, dpy, type, attrib_list,
2520 attrib_list64)) {
2521 free(dri2_sync);
2522 return NULL;
2523 }
2524
2525 switch (type) {
2526 case EGL_SYNC_FENCE_KHR:
2527 dri2_sync->fence = dri2_dpy->fence->create_fence(dri2_ctx->dri_context);
2528 if (!dri2_sync->fence) {
2529 /* Why did it fail? DRI doesn't return an error code, so we emit
2530 * a generic EGL error that doesn't communicate user error.
2531 */
2532 _eglError(EGL_BAD_ALLOC, "eglCreateSyncKHR");
2533 free(dri2_sync);
2534 return NULL;
2535 }
2536 break;
2537
2538 case EGL_SYNC_CL_EVENT_KHR:
2539 dri2_sync->fence = dri2_dpy->fence->get_fence_from_cl_event(
2540 dri2_dpy->dri_screen,
2541 dri2_sync->base.CLEvent);
2542 /* this can only happen if the cl_event passed in is invalid. */
2543 if (!dri2_sync->fence) {
2544 _eglError(EGL_BAD_ATTRIBUTE, "eglCreateSyncKHR");
2545 free(dri2_sync);
2546 return NULL;
2547 }
2548
2549 /* the initial status must be "signaled" if the cl_event is signaled */
2550 if (dri2_dpy->fence->client_wait_sync(dri2_ctx->dri_context,
2551 dri2_sync->fence, 0, 0))
2552 dri2_sync->base.SyncStatus = EGL_SIGNALED_KHR;
2553 break;
2554
2555 case EGL_SYNC_REUSABLE_KHR:
2556 /* intialize attr */
2557 ret = pthread_condattr_init(&attr);
2558
2559 if (ret) {
2560 _eglError(EGL_BAD_ACCESS, "eglCreateSyncKHR");
2561 free(dri2_sync);
2562 return NULL;
2563 }
2564
2565 /* change clock attribute to CLOCK_MONOTONIC */
2566 ret = pthread_condattr_setclock(&attr, CLOCK_MONOTONIC);
2567
2568 if (ret) {
2569 _eglError(EGL_BAD_ACCESS, "eglCreateSyncKHR");
2570 free(dri2_sync);
2571 return NULL;
2572 }
2573
2574 ret = pthread_cond_init(&dri2_sync->cond, &attr);
2575
2576 if (ret) {
2577 _eglError(EGL_BAD_ACCESS, "eglCreateSyncKHR");
2578 free(dri2_sync);
2579 return NULL;
2580 }
2581
2582 /* initial status of reusable sync must be "unsignaled" */
2583 dri2_sync->base.SyncStatus = EGL_UNSIGNALED_KHR;
2584 break;
2585 }
2586
2587 p_atomic_set(&dri2_sync->refcount, 1);
2588 return &dri2_sync->base;
2589 }
2590
2591 static EGLBoolean
2592 dri2_destroy_sync(_EGLDriver *drv, _EGLDisplay *dpy, _EGLSync *sync)
2593 {
2594 struct dri2_egl_display *dri2_dpy = dri2_egl_display(dpy);
2595 struct dri2_egl_sync *dri2_sync = dri2_egl_sync(sync);
2596 EGLint ret = EGL_TRUE;
2597 EGLint err;
2598
2599 /* if type of sync is EGL_SYNC_REUSABLE_KHR and it is not signaled yet,
2600 * then unlock all threads possibly blocked by the reusable sync before
2601 * destroying it.
2602 */
2603 if (dri2_sync->base.Type == EGL_SYNC_REUSABLE_KHR &&
2604 dri2_sync->base.SyncStatus == EGL_UNSIGNALED_KHR) {
2605 dri2_sync->base.SyncStatus = EGL_SIGNALED_KHR;
2606 /* unblock all threads currently blocked by sync */
2607 err = cnd_broadcast(&dri2_sync->cond);
2608
2609 if (err) {
2610 _eglError(EGL_BAD_ACCESS, "eglDestroySyncKHR");
2611 ret = EGL_FALSE;
2612 }
2613 }
2614 dri2_egl_unref_sync(dri2_dpy, dri2_sync);
2615
2616 return ret;
2617 }
2618
2619 static EGLint
2620 dri2_client_wait_sync(_EGLDriver *drv, _EGLDisplay *dpy, _EGLSync *sync,
2621 EGLint flags, EGLTime timeout)
2622 {
2623 _EGLContext *ctx = _eglGetCurrentContext();
2624 struct dri2_egl_driver *dri2_drv = dri2_egl_driver(drv);
2625 struct dri2_egl_display *dri2_dpy = dri2_egl_display(dpy);
2626 struct dri2_egl_context *dri2_ctx = dri2_egl_context(ctx);
2627 struct dri2_egl_sync *dri2_sync = dri2_egl_sync(sync);
2628 unsigned wait_flags = 0;
2629
2630 /* timespecs for cnd_timedwait */
2631 struct timespec current;
2632 xtime expire;
2633
2634 EGLint ret = EGL_CONDITION_SATISFIED_KHR;
2635
2636 /* The EGL_KHR_fence_sync spec states:
2637 *
2638 * "If no context is current for the bound API,
2639 * the EGL_SYNC_FLUSH_COMMANDS_BIT_KHR bit is ignored.
2640 */
2641 if (dri2_ctx && flags & EGL_SYNC_FLUSH_COMMANDS_BIT_KHR)
2642 wait_flags |= __DRI2_FENCE_FLAG_FLUSH_COMMANDS;
2643
2644 /* the sync object should take a reference while waiting */
2645 dri2_egl_ref_sync(dri2_sync);
2646
2647 switch (sync->Type) {
2648 case EGL_SYNC_FENCE_KHR:
2649 case EGL_SYNC_CL_EVENT_KHR:
2650 if (dri2_dpy->fence->client_wait_sync(dri2_ctx ? dri2_ctx->dri_context : NULL,
2651 dri2_sync->fence, wait_flags,
2652 timeout))
2653 dri2_sync->base.SyncStatus = EGL_SIGNALED_KHR;
2654 else
2655 ret = EGL_TIMEOUT_EXPIRED_KHR;
2656 break;
2657
2658 case EGL_SYNC_REUSABLE_KHR:
2659 if (dri2_ctx && dri2_sync->base.SyncStatus == EGL_UNSIGNALED_KHR &&
2660 (flags & EGL_SYNC_FLUSH_COMMANDS_BIT_KHR)) {
2661 /* flush context if EGL_SYNC_FLUSH_COMMANDS_BIT_KHR is set */
2662 if (dri2_drv->glFlush)
2663 dri2_drv->glFlush();
2664 }
2665
2666 /* if timeout is EGL_FOREVER_KHR, it should wait without any timeout.*/
2667 if (timeout == EGL_FOREVER_KHR) {
2668 if (mtx_lock(&dri2_sync->mutex)) {
2669 ret = EGL_FALSE;
2670 goto cleanup;
2671 }
2672
2673 ret = cnd_wait(&dri2_sync->cond, &dri2_sync->mutex);
2674
2675 mtx_unlock(&dri2_sync->mutex);
2676
2677 if (ret) {
2678 _eglError(EGL_BAD_PARAMETER, "eglClientWaitSyncKHR");
2679 ret = EGL_FALSE;
2680 }
2681 } else {
2682 /* if reusable sync has not been yet signaled */
2683 if (dri2_sync->base.SyncStatus != EGL_SIGNALED_KHR) {
2684 clock_gettime(CLOCK_MONOTONIC, &current);
2685
2686 /* calculating when to expire */
2687 expire.nsec = timeout % 1000000000L;
2688 expire.sec = timeout / 1000000000L;
2689
2690 expire.nsec += current.tv_nsec;
2691 expire.sec += current.tv_sec;
2692
2693 /* expire.nsec now is a number between 0 and 1999999998 */
2694 if (expire.nsec > 999999999L) {
2695 expire.sec++;
2696 expire.nsec -= 1000000000L;
2697 }
2698
2699 if (mtx_lock(&dri2_sync->mutex)) {
2700 ret = EGL_FALSE;
2701 goto cleanup;
2702 }
2703
2704 ret = cnd_timedwait(&dri2_sync->cond, &dri2_sync->mutex, &expire);
2705
2706 mtx_unlock(&dri2_sync->mutex);
2707
2708 if (ret)
2709 if (ret == thrd_busy) {
2710 if (dri2_sync->base.SyncStatus == EGL_UNSIGNALED_KHR) {
2711 ret = EGL_TIMEOUT_EXPIRED_KHR;
2712 } else {
2713 _eglError(EGL_BAD_ACCESS, "eglClientWaitSyncKHR");
2714 ret = EGL_FALSE;
2715 }
2716 }
2717 }
2718 }
2719 break;
2720 }
2721
2722 cleanup:
2723 dri2_egl_unref_sync(dri2_dpy, dri2_sync);
2724
2725 if (ret == EGL_FALSE) {
2726 _eglError(EGL_BAD_ACCESS, "eglClientWaitSyncKHR");
2727 return EGL_FALSE;
2728 }
2729
2730 return ret;
2731 }
2732
2733 static EGLBoolean
2734 dri2_signal_sync(_EGLDriver *drv, _EGLDisplay *dpy, _EGLSync *sync,
2735 EGLenum mode)
2736 {
2737 struct dri2_egl_sync *dri2_sync = dri2_egl_sync(sync);
2738 EGLint ret;
2739
2740 if (sync->Type != EGL_SYNC_REUSABLE_KHR) {
2741 _eglError(EGL_BAD_MATCH, "eglSignalSyncKHR");
2742 return EGL_FALSE;
2743 }
2744
2745 if (mode != EGL_SIGNALED_KHR && mode != EGL_UNSIGNALED_KHR) {
2746 _eglError(EGL_BAD_ATTRIBUTE, "eglSignalSyncKHR");
2747 return EGL_FALSE;
2748 }
2749
2750 dri2_sync->base.SyncStatus = mode;
2751
2752 if (mode == EGL_SIGNALED_KHR) {
2753 ret = cnd_broadcast(&dri2_sync->cond);
2754
2755 /* fail to broadcast */
2756 if (ret) {
2757 _eglError(EGL_BAD_ACCESS, "eglSignalSyncKHR");
2758 return EGL_FALSE;
2759 }
2760 }
2761
2762 return EGL_TRUE;
2763 }
2764
2765 static EGLint
2766 dri2_server_wait_sync(_EGLDriver *drv, _EGLDisplay *dpy, _EGLSync *sync)
2767 {
2768 _EGLContext *ctx = _eglGetCurrentContext();
2769 struct dri2_egl_display *dri2_dpy = dri2_egl_display(dpy);
2770 struct dri2_egl_context *dri2_ctx = dri2_egl_context(ctx);
2771 struct dri2_egl_sync *dri2_sync = dri2_egl_sync(sync);
2772
2773 dri2_dpy->fence->server_wait_sync(dri2_ctx->dri_context,
2774 dri2_sync->fence, 0);
2775 return EGL_TRUE;
2776 }
2777
2778 static int
2779 dri2_interop_query_device_info(_EGLDisplay *dpy, _EGLContext *ctx,
2780 struct mesa_glinterop_device_info *out)
2781 {
2782 struct dri2_egl_display *dri2_dpy = dri2_egl_display(dpy);
2783 struct dri2_egl_context *dri2_ctx = dri2_egl_context(ctx);
2784
2785 if (!dri2_dpy->interop)
2786 return MESA_GLINTEROP_UNSUPPORTED;
2787
2788 return dri2_dpy->interop->query_device_info(dri2_ctx->dri_context, out);
2789 }
2790
2791 static int
2792 dri2_interop_export_object(_EGLDisplay *dpy, _EGLContext *ctx,
2793 struct mesa_glinterop_export_in *in,
2794 struct mesa_glinterop_export_out *out)
2795 {
2796 struct dri2_egl_display *dri2_dpy = dri2_egl_display(dpy);
2797 struct dri2_egl_context *dri2_ctx = dri2_egl_context(ctx);
2798
2799 if (!dri2_dpy->interop)
2800 return MESA_GLINTEROP_UNSUPPORTED;
2801
2802 return dri2_dpy->interop->export_object(dri2_ctx->dri_context, in, out);
2803 }
2804
2805 static void
2806 dri2_unload(_EGLDriver *drv)
2807 {
2808 struct dri2_egl_driver *dri2_drv = dri2_egl_driver(drv);
2809
2810 if (dri2_drv->handle)
2811 dlclose(dri2_drv->handle);
2812 free(dri2_drv);
2813 }
2814
2815 static EGLBoolean
2816 dri2_load(_EGLDriver *drv)
2817 {
2818 struct dri2_egl_driver *dri2_drv = dri2_egl_driver(drv);
2819 #ifdef HAVE_ANDROID_PLATFORM
2820 const char *libname = "libglapi.so";
2821 #elif defined(__APPLE__)
2822 const char *libname = "libglapi.0.dylib";
2823 #elif defined(__CYGWIN__)
2824 const char *libname = "cygglapi-0.dll";
2825 #else
2826 const char *libname = "libglapi.so.0";
2827 #endif
2828 void *handle;
2829
2830 /* RTLD_GLOBAL to make sure glapi symbols are visible to DRI drivers */
2831 handle = dlopen(libname, RTLD_LAZY | RTLD_GLOBAL);
2832 if (handle) {
2833 dri2_drv->get_proc_address = (_EGLProc (*)(const char *))
2834 dlsym(handle, "_glapi_get_proc_address");
2835 if (!dri2_drv->get_proc_address || !libname) {
2836 /* no need to keep a reference */
2837 dlclose(handle);
2838 handle = NULL;
2839 }
2840 }
2841
2842 /* if glapi is not available, loading DRI drivers will fail */
2843 if (!dri2_drv->get_proc_address) {
2844 _eglLog(_EGL_WARNING, "DRI2: failed to find _glapi_get_proc_address");
2845 return EGL_FALSE;
2846 }
2847
2848 dri2_drv->glFlush = (void (*)(void))
2849 dri2_drv->get_proc_address("glFlush");
2850
2851 dri2_drv->handle = handle;
2852
2853 return EGL_TRUE;
2854 }
2855
2856 /**
2857 * This is the main entrypoint into the driver, called by libEGL.
2858 * Create a new _EGLDriver object and init its dispatch table.
2859 */
2860 _EGLDriver *
2861 _eglBuiltInDriverDRI2(const char *args)
2862 {
2863 struct dri2_egl_driver *dri2_drv;
2864
2865 (void) args;
2866
2867 dri2_drv = calloc(1, sizeof *dri2_drv);
2868 if (!dri2_drv)
2869 return NULL;
2870
2871 if (!dri2_load(&dri2_drv->base)) {
2872 free(dri2_drv);
2873 return NULL;
2874 }
2875
2876 _eglInitDriverFallbacks(&dri2_drv->base);
2877 dri2_drv->base.API.Initialize = dri2_initialize;
2878 dri2_drv->base.API.Terminate = dri2_terminate;
2879 dri2_drv->base.API.CreateContext = dri2_create_context;
2880 dri2_drv->base.API.DestroyContext = dri2_destroy_context;
2881 dri2_drv->base.API.MakeCurrent = dri2_make_current;
2882 dri2_drv->base.API.CreateWindowSurface = dri2_create_window_surface;
2883 dri2_drv->base.API.CreatePixmapSurface = dri2_create_pixmap_surface;
2884 dri2_drv->base.API.CreatePbufferSurface = dri2_create_pbuffer_surface;
2885 dri2_drv->base.API.DestroySurface = dri2_destroy_surface;
2886 dri2_drv->base.API.GetProcAddress = dri2_get_proc_address;
2887 dri2_drv->base.API.WaitClient = dri2_wait_client;
2888 dri2_drv->base.API.WaitNative = dri2_wait_native;
2889 dri2_drv->base.API.BindTexImage = dri2_bind_tex_image;
2890 dri2_drv->base.API.ReleaseTexImage = dri2_release_tex_image;
2891 dri2_drv->base.API.SwapInterval = dri2_swap_interval;
2892 dri2_drv->base.API.SwapBuffers = dri2_swap_buffers;
2893 dri2_drv->base.API.SwapBuffersWithDamageEXT = dri2_swap_buffers_with_damage;
2894 dri2_drv->base.API.SwapBuffersRegionNOK = dri2_swap_buffers_region;
2895 dri2_drv->base.API.PostSubBufferNV = dri2_post_sub_buffer;
2896 dri2_drv->base.API.CopyBuffers = dri2_copy_buffers,
2897 dri2_drv->base.API.QueryBufferAge = dri2_query_buffer_age;
2898 dri2_drv->base.API.CreateImageKHR = dri2_create_image;
2899 dri2_drv->base.API.DestroyImageKHR = dri2_destroy_image_khr;
2900 dri2_drv->base.API.CreateWaylandBufferFromImageWL = dri2_create_wayland_buffer_from_image;
2901 dri2_drv->base.API.QuerySurface = dri2_query_surface;
2902 #ifdef HAVE_LIBDRM
2903 dri2_drv->base.API.CreateDRMImageMESA = dri2_create_drm_image_mesa;
2904 dri2_drv->base.API.ExportDRMImageMESA = dri2_export_drm_image_mesa;
2905 dri2_drv->base.API.ExportDMABUFImageQueryMESA = dri2_export_dma_buf_image_query_mesa;
2906 dri2_drv->base.API.ExportDMABUFImageMESA = dri2_export_dma_buf_image_mesa;
2907 #endif
2908 #ifdef HAVE_WAYLAND_PLATFORM
2909 dri2_drv->base.API.BindWaylandDisplayWL = dri2_bind_wayland_display_wl;
2910 dri2_drv->base.API.UnbindWaylandDisplayWL = dri2_unbind_wayland_display_wl;
2911 dri2_drv->base.API.QueryWaylandBufferWL = dri2_query_wayland_buffer_wl;
2912 #endif
2913 dri2_drv->base.API.GetSyncValuesCHROMIUM = dri2_get_sync_values_chromium;
2914 dri2_drv->base.API.CreateSyncKHR = dri2_create_sync;
2915 dri2_drv->base.API.ClientWaitSyncKHR = dri2_client_wait_sync;
2916 dri2_drv->base.API.SignalSyncKHR = dri2_signal_sync;
2917 dri2_drv->base.API.WaitSyncKHR = dri2_server_wait_sync;
2918 dri2_drv->base.API.DestroySyncKHR = dri2_destroy_sync;
2919 dri2_drv->base.API.GLInteropQueryDeviceInfo = dri2_interop_query_device_info;
2920 dri2_drv->base.API.GLInteropExportObject = dri2_interop_export_object;
2921
2922 dri2_drv->base.Name = "DRI2";
2923 dri2_drv->base.Unload = dri2_unload;
2924
2925 return &dri2_drv->base;
2926 }