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dri: make use of loader_get_extensions_name(..) helper
[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 }
662
663 disp->Extensions.KHR_reusable_sync = EGL_TRUE;
664
665 if (dri2_dpy->image) {
666 if (dri2_dpy->image->base.version >= 10 &&
667 dri2_dpy->image->getCapabilities != NULL) {
668 int capabilities;
669
670 capabilities = dri2_dpy->image->getCapabilities(dri2_dpy->dri_screen);
671 disp->Extensions.MESA_drm_image = (capabilities & __DRI_IMAGE_CAP_GLOBAL_NAMES) != 0;
672
673 if (dri2_dpy->image->base.version >= 11)
674 disp->Extensions.MESA_image_dma_buf_export = EGL_TRUE;
675 } else {
676 disp->Extensions.MESA_drm_image = EGL_TRUE;
677 if (dri2_dpy->image->base.version >= 11)
678 disp->Extensions.MESA_image_dma_buf_export = EGL_TRUE;
679 }
680
681 disp->Extensions.KHR_image_base = EGL_TRUE;
682 disp->Extensions.KHR_gl_renderbuffer_image = EGL_TRUE;
683 if (dri2_dpy->image->base.version >= 5 &&
684 dri2_dpy->image->createImageFromTexture) {
685 disp->Extensions.KHR_gl_texture_2D_image = EGL_TRUE;
686 disp->Extensions.KHR_gl_texture_cubemap_image = EGL_TRUE;
687 }
688 if (dri2_renderer_query_integer(dri2_dpy,
689 __DRI2_RENDERER_HAS_TEXTURE_3D))
690 disp->Extensions.KHR_gl_texture_3D_image = EGL_TRUE;
691 #ifdef HAVE_LIBDRM
692 if (dri2_dpy->image->base.version >= 8 &&
693 dri2_dpy->image->createImageFromDmaBufs) {
694 disp->Extensions.EXT_image_dma_buf_import = EGL_TRUE;
695 }
696 #endif
697 }
698 }
699
700 /* All platforms but DRM call this function to create the screen, query the
701 * dri extensions, setup the vtables and populate the driver_configs.
702 * DRM inherits all that information from its display - GBM.
703 */
704 EGLBoolean
705 dri2_create_screen(_EGLDisplay *disp)
706 {
707 const __DRIextension **extensions;
708 struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
709
710 if (dri2_dpy->image_driver) {
711 dri2_dpy->dri_screen =
712 dri2_dpy->image_driver->createNewScreen2(0, dri2_dpy->fd,
713 dri2_dpy->loader_extensions,
714 dri2_dpy->driver_extensions,
715 &dri2_dpy->driver_configs,
716 disp);
717 } else if (dri2_dpy->dri2) {
718 if (dri2_dpy->dri2->base.version >= 4) {
719 dri2_dpy->dri_screen =
720 dri2_dpy->dri2->createNewScreen2(0, dri2_dpy->fd,
721 dri2_dpy->loader_extensions,
722 dri2_dpy->driver_extensions,
723 &dri2_dpy->driver_configs, disp);
724 } else {
725 dri2_dpy->dri_screen =
726 dri2_dpy->dri2->createNewScreen(0, dri2_dpy->fd,
727 dri2_dpy->loader_extensions,
728 &dri2_dpy->driver_configs, disp);
729 }
730 } else {
731 assert(dri2_dpy->swrast);
732 if (dri2_dpy->swrast->base.version >= 4) {
733 dri2_dpy->dri_screen =
734 dri2_dpy->swrast->createNewScreen2(0, dri2_dpy->loader_extensions,
735 dri2_dpy->driver_extensions,
736 &dri2_dpy->driver_configs, disp);
737 } else {
738 dri2_dpy->dri_screen =
739 dri2_dpy->swrast->createNewScreen(0, dri2_dpy->loader_extensions,
740 &dri2_dpy->driver_configs, disp);
741 }
742 }
743
744 if (dri2_dpy->dri_screen == NULL) {
745 _eglLog(_EGL_WARNING, "DRI2: failed to create dri screen");
746 return EGL_FALSE;
747 }
748
749 dri2_dpy->own_dri_screen = 1;
750
751 extensions = dri2_dpy->core->getExtensions(dri2_dpy->dri_screen);
752
753 if (dri2_dpy->image_driver || dri2_dpy->dri2) {
754 if (!dri2_bind_extensions(dri2_dpy, dri2_core_extensions, extensions, false))
755 goto cleanup_dri_screen;
756 } else {
757 assert(dri2_dpy->swrast);
758 if (!dri2_bind_extensions(dri2_dpy, swrast_core_extensions, extensions, false))
759 goto cleanup_dri_screen;
760 }
761
762 dri2_bind_extensions(dri2_dpy, optional_core_extensions, extensions, true);
763 dri2_setup_screen(disp);
764
765 return EGL_TRUE;
766
767 cleanup_dri_screen:
768 dri2_dpy->core->destroyScreen(dri2_dpy->dri_screen);
769
770 return EGL_FALSE;
771 }
772
773 /**
774 * Called via eglInitialize(), GLX_drv->API.Initialize().
775 *
776 * This must be guaranteed to be called exactly once, even if eglInitialize is
777 * called many times (without a eglTerminate in between).
778 */
779 static EGLBoolean
780 dri2_initialize(_EGLDriver *drv, _EGLDisplay *disp)
781 {
782 EGLBoolean ret = EGL_FALSE;
783 struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
784
785 /* In the case where the application calls eglMakeCurrent(context1),
786 * eglTerminate, then eglInitialize again (without a call to eglReleaseThread
787 * or eglMakeCurrent(NULL) before that), dri2_dpy structure is still
788 * initialized, as we need it to be able to free context1 correctly.
789 *
790 * It would probably be safest to forcibly release the display with
791 * dri2_display_release, to make sure the display is reinitialized correctly.
792 * However, the EGL spec states that we need to keep a reference to the
793 * current context (so we cannot call dri2_make_current(NULL)), and therefore
794 * we would leak context1 as we would be missing the old display connection
795 * to free it up correctly.
796 */
797 if (dri2_dpy) {
798 dri2_dpy->ref_count++;
799 return EGL_TRUE;
800 }
801
802 /* not until swrast_dri is supported */
803 if (disp->Options.UseFallback)
804 return EGL_FALSE;
805
806 /* Nothing to initialize for a test only display */
807 if (disp->Options.TestOnly)
808 return EGL_TRUE;
809
810 switch (disp->Platform) {
811 #ifdef HAVE_SURFACELESS_PLATFORM
812 case _EGL_PLATFORM_SURFACELESS:
813 ret = dri2_initialize_surfaceless(drv, disp);
814 break;
815 #endif
816 #ifdef HAVE_X11_PLATFORM
817 case _EGL_PLATFORM_X11:
818 ret = dri2_initialize_x11(drv, disp);
819 break;
820 #endif
821 #ifdef HAVE_DRM_PLATFORM
822 case _EGL_PLATFORM_DRM:
823 ret = dri2_initialize_drm(drv, disp);
824 break;
825 #endif
826 #ifdef HAVE_WAYLAND_PLATFORM
827 case _EGL_PLATFORM_WAYLAND:
828 ret = dri2_initialize_wayland(drv, disp);
829 break;
830 #endif
831 #ifdef HAVE_ANDROID_PLATFORM
832 case _EGL_PLATFORM_ANDROID:
833 ret = dri2_initialize_android(drv, disp);
834 break;
835 #endif
836 default:
837 _eglLog(_EGL_WARNING, "No EGL platform enabled.");
838 return EGL_FALSE;
839 }
840
841 if (ret) {
842 dri2_dpy = dri2_egl_display(disp);
843
844 if (!dri2_dpy) {
845 return EGL_FALSE;
846 }
847
848 dri2_dpy->ref_count++;
849 }
850
851 return ret;
852 }
853
854 /**
855 * Decrement display reference count, and free up display if necessary.
856 */
857 static void
858 dri2_display_release(_EGLDisplay *disp)
859 {
860 struct dri2_egl_display *dri2_dpy;
861 unsigned i;
862
863 if (!disp)
864 return;
865
866 dri2_dpy = dri2_egl_display(disp);
867
868 assert(dri2_dpy->ref_count > 0);
869 dri2_dpy->ref_count--;
870
871 if (dri2_dpy->ref_count > 0)
872 return;
873
874 _eglCleanupDisplay(disp);
875
876 if (dri2_dpy->own_dri_screen)
877 dri2_dpy->core->destroyScreen(dri2_dpy->dri_screen);
878 if (dri2_dpy->fd >= 0)
879 close(dri2_dpy->fd);
880 if (dri2_dpy->driver)
881 dlclose(dri2_dpy->driver);
882 free(dri2_dpy->driver_name);
883
884 #ifdef HAVE_WAYLAND_PLATFORM
885 free(dri2_dpy->device_name);
886 #endif
887
888 switch (disp->Platform) {
889 #ifdef HAVE_X11_PLATFORM
890 case _EGL_PLATFORM_X11:
891 if (dri2_dpy->own_device) {
892 xcb_disconnect(dri2_dpy->conn);
893 }
894 break;
895 #endif
896 #ifdef HAVE_DRM_PLATFORM
897 case _EGL_PLATFORM_DRM:
898 if (dri2_dpy->own_device) {
899 gbm_device_destroy(&dri2_dpy->gbm_dri->base.base);
900 }
901 break;
902 #endif
903 #ifdef HAVE_WAYLAND_PLATFORM
904 case _EGL_PLATFORM_WAYLAND:
905 if (dri2_dpy->wl_drm)
906 wl_drm_destroy(dri2_dpy->wl_drm);
907 if (dri2_dpy->wl_shm)
908 wl_shm_destroy(dri2_dpy->wl_shm);
909 wl_registry_destroy(dri2_dpy->wl_registry);
910 wl_event_queue_destroy(dri2_dpy->wl_queue);
911 if (dri2_dpy->own_device) {
912 wl_display_disconnect(dri2_dpy->wl_dpy);
913 }
914 break;
915 #endif
916 default:
917 break;
918 }
919
920 /* The drm platform does not create the screen/driver_configs but reuses
921 * the ones from the gbm device. As such the gbm itself is responsible
922 * for the cleanup.
923 */
924 if (disp->Platform != _EGL_PLATFORM_DRM) {
925 for (i = 0; dri2_dpy->driver_configs[i]; i++)
926 free((__DRIconfig *) dri2_dpy->driver_configs[i]);
927 free(dri2_dpy->driver_configs);
928 }
929 free(dri2_dpy);
930 disp->DriverData = NULL;
931 }
932
933 /**
934 * Called via eglTerminate(), drv->API.Terminate().
935 *
936 * This must be guaranteed to be called exactly once, even if eglTerminate is
937 * called many times (without a eglInitialize in between).
938 */
939 static EGLBoolean
940 dri2_terminate(_EGLDriver *drv, _EGLDisplay *disp)
941 {
942 /* Release all non-current Context/Surfaces. */
943 _eglReleaseDisplayResources(drv, disp);
944
945 dri2_display_release(disp);
946
947 return EGL_TRUE;
948 }
949
950 /**
951 * Set the error code after a call to
952 * dri2_egl_display::dri2::createContextAttribs.
953 */
954 static void
955 dri2_create_context_attribs_error(int dri_error)
956 {
957 EGLint egl_error;
958
959 switch (dri_error) {
960 case __DRI_CTX_ERROR_SUCCESS:
961 return;
962
963 case __DRI_CTX_ERROR_NO_MEMORY:
964 egl_error = EGL_BAD_ALLOC;
965 break;
966
967 /* From the EGL_KHR_create_context spec, section "Errors":
968 *
969 * * If <config> does not support a client API context compatible
970 * with the requested API major and minor version, [...] context flags,
971 * and context reset notification behavior (for client API types where
972 * these attributes are supported), then an EGL_BAD_MATCH error is
973 * generated.
974 *
975 * * If an OpenGL ES context is requested and the values for
976 * attributes EGL_CONTEXT_MAJOR_VERSION_KHR and
977 * EGL_CONTEXT_MINOR_VERSION_KHR specify an OpenGL ES version that
978 * is not defined, than an EGL_BAD_MATCH error is generated.
979 *
980 * * If an OpenGL context is requested, the requested version is
981 * greater than 3.2, and the value for attribute
982 * EGL_CONTEXT_OPENGL_PROFILE_MASK_KHR has no bits set; has any
983 * bits set other than EGL_CONTEXT_OPENGL_CORE_PROFILE_BIT_KHR and
984 * EGL_CONTEXT_OPENGL_COMPATIBILITY_PROFILE_BIT_KHR; has more than
985 * one of these bits set; or if the implementation does not support
986 * the requested profile, then an EGL_BAD_MATCH error is generated.
987 */
988 case __DRI_CTX_ERROR_BAD_API:
989 case __DRI_CTX_ERROR_BAD_VERSION:
990 case __DRI_CTX_ERROR_BAD_FLAG:
991 egl_error = EGL_BAD_MATCH;
992 break;
993
994 /* From the EGL_KHR_create_context spec, section "Errors":
995 *
996 * * If an attribute name or attribute value in <attrib_list> is not
997 * recognized (including unrecognized bits in bitmask attributes),
998 * then an EGL_BAD_ATTRIBUTE error is generated."
999 */
1000 case __DRI_CTX_ERROR_UNKNOWN_ATTRIBUTE:
1001 case __DRI_CTX_ERROR_UNKNOWN_FLAG:
1002 egl_error = EGL_BAD_ATTRIBUTE;
1003 break;
1004
1005 default:
1006 assert(0);
1007 egl_error = EGL_BAD_MATCH;
1008 break;
1009 }
1010
1011 _eglError(egl_error, "dri2_create_context");
1012 }
1013
1014 static bool
1015 dri2_fill_context_attribs(struct dri2_egl_context *dri2_ctx,
1016 struct dri2_egl_display *dri2_dpy,
1017 uint32_t *ctx_attribs,
1018 unsigned *num_attribs)
1019 {
1020 int pos = 0;
1021
1022 assert(*num_attribs >= 8);
1023
1024 ctx_attribs[pos++] = __DRI_CTX_ATTRIB_MAJOR_VERSION;
1025 ctx_attribs[pos++] = dri2_ctx->base.ClientMajorVersion;
1026 ctx_attribs[pos++] = __DRI_CTX_ATTRIB_MINOR_VERSION;
1027 ctx_attribs[pos++] = dri2_ctx->base.ClientMinorVersion;
1028
1029 if (dri2_ctx->base.Flags != 0) {
1030 /* If the implementation doesn't support the __DRI2_ROBUSTNESS
1031 * extension, don't even try to send it the robust-access flag.
1032 * It may explode. Instead, generate the required EGL error here.
1033 */
1034 if ((dri2_ctx->base.Flags & EGL_CONTEXT_OPENGL_ROBUST_ACCESS_BIT_KHR) != 0
1035 && !dri2_dpy->robustness) {
1036 _eglError(EGL_BAD_MATCH, "eglCreateContext");
1037 return false;
1038 }
1039
1040 ctx_attribs[pos++] = __DRI_CTX_ATTRIB_FLAGS;
1041 ctx_attribs[pos++] = dri2_ctx->base.Flags;
1042 }
1043
1044 if (dri2_ctx->base.ResetNotificationStrategy != EGL_NO_RESET_NOTIFICATION_KHR) {
1045 /* If the implementation doesn't support the __DRI2_ROBUSTNESS
1046 * extension, don't even try to send it a reset strategy. It may
1047 * explode. Instead, generate the required EGL error here.
1048 */
1049 if (!dri2_dpy->robustness) {
1050 _eglError(EGL_BAD_CONFIG, "eglCreateContext");
1051 return false;
1052 }
1053
1054 ctx_attribs[pos++] = __DRI_CTX_ATTRIB_RESET_STRATEGY;
1055 ctx_attribs[pos++] = __DRI_CTX_RESET_LOSE_CONTEXT;
1056 }
1057
1058 *num_attribs = pos;
1059
1060 return true;
1061 }
1062
1063 /**
1064 * Called via eglCreateContext(), drv->API.CreateContext().
1065 */
1066 static _EGLContext *
1067 dri2_create_context(_EGLDriver *drv, _EGLDisplay *disp, _EGLConfig *conf,
1068 _EGLContext *share_list, const EGLint *attrib_list)
1069 {
1070 struct dri2_egl_context *dri2_ctx;
1071 struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
1072 struct dri2_egl_context *dri2_ctx_shared = dri2_egl_context(share_list);
1073 __DRIcontext *shared =
1074 dri2_ctx_shared ? dri2_ctx_shared->dri_context : NULL;
1075 struct dri2_egl_config *dri2_config = dri2_egl_config(conf);
1076 const __DRIconfig *dri_config;
1077 int api;
1078
1079 (void) drv;
1080
1081 dri2_ctx = malloc(sizeof *dri2_ctx);
1082 if (!dri2_ctx) {
1083 _eglError(EGL_BAD_ALLOC, "eglCreateContext");
1084 return NULL;
1085 }
1086
1087 if (!_eglInitContext(&dri2_ctx->base, disp, conf, attrib_list))
1088 goto cleanup;
1089
1090 switch (dri2_ctx->base.ClientAPI) {
1091 case EGL_OPENGL_ES_API:
1092 switch (dri2_ctx->base.ClientMajorVersion) {
1093 case 1:
1094 api = __DRI_API_GLES;
1095 break;
1096 case 2:
1097 api = __DRI_API_GLES2;
1098 break;
1099 case 3:
1100 api = __DRI_API_GLES3;
1101 break;
1102 default:
1103 _eglError(EGL_BAD_PARAMETER, "eglCreateContext");
1104 free(dri2_ctx);
1105 return NULL;
1106 }
1107 break;
1108 case EGL_OPENGL_API:
1109 if ((dri2_ctx->base.ClientMajorVersion >= 4
1110 || (dri2_ctx->base.ClientMajorVersion == 3
1111 && dri2_ctx->base.ClientMinorVersion >= 2))
1112 && dri2_ctx->base.Profile == EGL_CONTEXT_OPENGL_CORE_PROFILE_BIT_KHR)
1113 api = __DRI_API_OPENGL_CORE;
1114 else
1115 api = __DRI_API_OPENGL;
1116 break;
1117 default:
1118 _eglError(EGL_BAD_PARAMETER, "eglCreateContext");
1119 free(dri2_ctx);
1120 return NULL;
1121 }
1122
1123 if (conf != NULL) {
1124 /* The config chosen here isn't necessarily
1125 * used for surfaces later.
1126 * A pixmap surface will use the single config.
1127 * This opportunity depends on disabling the
1128 * doubleBufferMode check in
1129 * src/mesa/main/context.c:check_compatible()
1130 */
1131 if (dri2_config->dri_double_config[0])
1132 dri_config = dri2_config->dri_double_config[0];
1133 else
1134 dri_config = dri2_config->dri_single_config[0];
1135
1136 /* EGL_WINDOW_BIT is set only when there is a dri_double_config. This
1137 * makes sure the back buffer will always be used.
1138 */
1139 if (conf->SurfaceType & EGL_WINDOW_BIT)
1140 dri2_ctx->base.WindowRenderBuffer = EGL_BACK_BUFFER;
1141 }
1142 else
1143 dri_config = NULL;
1144
1145 if (dri2_dpy->image_driver) {
1146 unsigned error;
1147 unsigned num_attribs = 8;
1148 uint32_t ctx_attribs[8];
1149
1150 if (!dri2_fill_context_attribs(dri2_ctx, dri2_dpy, ctx_attribs,
1151 &num_attribs))
1152 goto cleanup;
1153
1154 dri2_ctx->dri_context =
1155 dri2_dpy->image_driver->createContextAttribs(dri2_dpy->dri_screen,
1156 api,
1157 dri_config,
1158 shared,
1159 num_attribs / 2,
1160 ctx_attribs,
1161 & error,
1162 dri2_ctx);
1163 dri2_create_context_attribs_error(error);
1164 } else if (dri2_dpy->dri2) {
1165 if (dri2_dpy->dri2->base.version >= 3) {
1166 unsigned error;
1167 unsigned num_attribs = 8;
1168 uint32_t ctx_attribs[8];
1169
1170 if (!dri2_fill_context_attribs(dri2_ctx, dri2_dpy, ctx_attribs,
1171 &num_attribs))
1172 goto cleanup;
1173
1174 dri2_ctx->dri_context =
1175 dri2_dpy->dri2->createContextAttribs(dri2_dpy->dri_screen,
1176 api,
1177 dri_config,
1178 shared,
1179 num_attribs / 2,
1180 ctx_attribs,
1181 & error,
1182 dri2_ctx);
1183 dri2_create_context_attribs_error(error);
1184 } else {
1185 dri2_ctx->dri_context =
1186 dri2_dpy->dri2->createNewContextForAPI(dri2_dpy->dri_screen,
1187 api,
1188 dri_config,
1189 shared,
1190 dri2_ctx);
1191 }
1192 } else {
1193 assert(dri2_dpy->swrast);
1194 if (dri2_dpy->swrast->base.version >= 3) {
1195 unsigned error;
1196 unsigned num_attribs = 8;
1197 uint32_t ctx_attribs[8];
1198
1199 if (!dri2_fill_context_attribs(dri2_ctx, dri2_dpy, ctx_attribs,
1200 &num_attribs))
1201 goto cleanup;
1202
1203 dri2_ctx->dri_context =
1204 dri2_dpy->swrast->createContextAttribs(dri2_dpy->dri_screen,
1205 api,
1206 dri_config,
1207 shared,
1208 num_attribs / 2,
1209 ctx_attribs,
1210 & error,
1211 dri2_ctx);
1212 dri2_create_context_attribs_error(error);
1213 } else {
1214 dri2_ctx->dri_context =
1215 dri2_dpy->swrast->createNewContextForAPI(dri2_dpy->dri_screen,
1216 api,
1217 dri_config,
1218 shared,
1219 dri2_ctx);
1220 }
1221 }
1222
1223 if (!dri2_ctx->dri_context)
1224 goto cleanup;
1225
1226 return &dri2_ctx->base;
1227
1228 cleanup:
1229 free(dri2_ctx);
1230 return NULL;
1231 }
1232
1233 /**
1234 * Called via eglDestroyContext(), drv->API.DestroyContext().
1235 */
1236 static EGLBoolean
1237 dri2_destroy_context(_EGLDriver *drv, _EGLDisplay *disp, _EGLContext *ctx)
1238 {
1239 struct dri2_egl_context *dri2_ctx = dri2_egl_context(ctx);
1240 struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
1241
1242 if (_eglPutContext(ctx)) {
1243 dri2_dpy->core->destroyContext(dri2_ctx->dri_context);
1244 free(dri2_ctx);
1245 }
1246
1247 return EGL_TRUE;
1248 }
1249
1250 static EGLBoolean
1251 dri2_destroy_surface(_EGLDriver *drv, _EGLDisplay *dpy, _EGLSurface *surf)
1252 {
1253 struct dri2_egl_display *dri2_dpy = dri2_egl_display(dpy);
1254
1255 if (!_eglPutSurface(surf))
1256 return EGL_TRUE;
1257
1258 return dri2_dpy->vtbl->destroy_surface(drv, dpy, surf);
1259 }
1260
1261 /**
1262 * Called via eglMakeCurrent(), drv->API.MakeCurrent().
1263 */
1264 static EGLBoolean
1265 dri2_make_current(_EGLDriver *drv, _EGLDisplay *disp, _EGLSurface *dsurf,
1266 _EGLSurface *rsurf, _EGLContext *ctx)
1267 {
1268 struct dri2_egl_driver *dri2_drv = dri2_egl_driver(drv);
1269 struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
1270 struct dri2_egl_context *dri2_ctx = dri2_egl_context(ctx);
1271 _EGLContext *old_ctx;
1272 _EGLSurface *old_dsurf, *old_rsurf;
1273 _EGLSurface *tmp_dsurf, *tmp_rsurf;
1274 __DRIdrawable *ddraw, *rdraw;
1275 __DRIcontext *cctx;
1276 EGLBoolean unbind;
1277
1278 if (!dri2_dpy)
1279 return _eglError(EGL_NOT_INITIALIZED, "eglMakeCurrent");
1280
1281 /* make new bindings */
1282 if (!_eglBindContext(ctx, dsurf, rsurf, &old_ctx, &old_dsurf, &old_rsurf)) {
1283 /* _eglBindContext already sets the EGL error (in _eglCheckMakeCurrent) */
1284 return EGL_FALSE;
1285 }
1286
1287 /* flush before context switch */
1288 if (old_ctx)
1289 dri2_drv->glFlush();
1290
1291 ddraw = (dsurf) ? dri2_dpy->vtbl->get_dri_drawable(dsurf) : NULL;
1292 rdraw = (rsurf) ? dri2_dpy->vtbl->get_dri_drawable(rsurf) : NULL;
1293 cctx = (dri2_ctx) ? dri2_ctx->dri_context : NULL;
1294
1295 if (old_ctx) {
1296 __DRIcontext *old_cctx = dri2_egl_context(old_ctx)->dri_context;
1297 dri2_dpy->core->unbindContext(old_cctx);
1298 }
1299
1300 unbind = (cctx == NULL && ddraw == NULL && rdraw == NULL);
1301
1302 if (unbind || dri2_dpy->core->bindContext(cctx, ddraw, rdraw)) {
1303 dri2_destroy_surface(drv, disp, old_dsurf);
1304 dri2_destroy_surface(drv, disp, old_rsurf);
1305
1306 if (!unbind)
1307 dri2_dpy->ref_count++;
1308 if (old_ctx) {
1309 EGLDisplay old_disp = _eglGetDisplayHandle(old_ctx->Resource.Display);
1310 dri2_destroy_context(drv, disp, old_ctx);
1311 dri2_display_release(old_disp);
1312 }
1313
1314 return EGL_TRUE;
1315 } else {
1316 /* undo the previous _eglBindContext */
1317 _eglBindContext(old_ctx, old_dsurf, old_rsurf, &ctx, &tmp_dsurf, &tmp_rsurf);
1318 assert(&dri2_ctx->base == ctx &&
1319 tmp_dsurf == dsurf &&
1320 tmp_rsurf == rsurf);
1321
1322 _eglPutSurface(dsurf);
1323 _eglPutSurface(rsurf);
1324 _eglPutContext(ctx);
1325
1326 _eglPutSurface(old_dsurf);
1327 _eglPutSurface(old_rsurf);
1328 _eglPutContext(old_ctx);
1329
1330 /* dri2_dpy->core->bindContext failed. We cannot tell for sure why, but
1331 * setting the error to EGL_BAD_MATCH is surely better than leaving it
1332 * as EGL_SUCCESS.
1333 */
1334 return _eglError(EGL_BAD_MATCH, "eglMakeCurrent");
1335 }
1336 }
1337
1338 __DRIdrawable *
1339 dri2_surface_get_dri_drawable(_EGLSurface *surf)
1340 {
1341 struct dri2_egl_surface *dri2_surf = dri2_egl_surface(surf);
1342
1343 return dri2_surf->dri_drawable;
1344 }
1345
1346 /*
1347 * Called from eglGetProcAddress() via drv->API.GetProcAddress().
1348 */
1349 static _EGLProc
1350 dri2_get_proc_address(_EGLDriver *drv, const char *procname)
1351 {
1352 struct dri2_egl_driver *dri2_drv = dri2_egl_driver(drv);
1353
1354 return dri2_drv->get_proc_address(procname);
1355 }
1356
1357 static _EGLSurface*
1358 dri2_create_window_surface(_EGLDriver *drv, _EGLDisplay *dpy,
1359 _EGLConfig *conf, void *native_window,
1360 const EGLint *attrib_list)
1361 {
1362 struct dri2_egl_display *dri2_dpy = dri2_egl_display(dpy);
1363 return dri2_dpy->vtbl->create_window_surface(drv, dpy, conf, native_window,
1364 attrib_list);
1365 }
1366
1367 static _EGLSurface*
1368 dri2_create_pixmap_surface(_EGLDriver *drv, _EGLDisplay *dpy,
1369 _EGLConfig *conf, void *native_pixmap,
1370 const EGLint *attrib_list)
1371 {
1372 struct dri2_egl_display *dri2_dpy = dri2_egl_display(dpy);
1373 return dri2_dpy->vtbl->create_pixmap_surface(drv, dpy, conf, native_pixmap,
1374 attrib_list);
1375 }
1376
1377 static _EGLSurface*
1378 dri2_create_pbuffer_surface(_EGLDriver *drv, _EGLDisplay *dpy,
1379 _EGLConfig *conf, const EGLint *attrib_list)
1380 {
1381 struct dri2_egl_display *dri2_dpy = dri2_egl_display(dpy);
1382 return dri2_dpy->vtbl->create_pbuffer_surface(drv, dpy, conf, attrib_list);
1383 }
1384
1385 static EGLBoolean
1386 dri2_swap_interval(_EGLDriver *drv, _EGLDisplay *dpy, _EGLSurface *surf,
1387 EGLint interval)
1388 {
1389 struct dri2_egl_display *dri2_dpy = dri2_egl_display(dpy);
1390 return dri2_dpy->vtbl->swap_interval(drv, dpy, surf, interval);
1391 }
1392
1393 /**
1394 * Asks the client API to flush any rendering to the drawable so that we can
1395 * do our swapbuffers.
1396 */
1397 void
1398 dri2_flush_drawable_for_swapbuffers(_EGLDisplay *disp, _EGLSurface *draw)
1399 {
1400 struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
1401 __DRIdrawable *dri_drawable = dri2_dpy->vtbl->get_dri_drawable(draw);
1402
1403 if (dri2_dpy->flush) {
1404 if (dri2_dpy->flush->base.version >= 4) {
1405 /* We know there's a current context because:
1406 *
1407 * "If surface is not bound to the calling thread’s current
1408 * context, an EGL_BAD_SURFACE error is generated."
1409 */
1410 _EGLContext *ctx = _eglGetCurrentContext();
1411 struct dri2_egl_context *dri2_ctx = dri2_egl_context(ctx);
1412
1413 /* From the EGL 1.4 spec (page 52):
1414 *
1415 * "The contents of ancillary buffers are always undefined
1416 * after calling eglSwapBuffers."
1417 */
1418 dri2_dpy->flush->flush_with_flags(dri2_ctx->dri_context,
1419 dri_drawable,
1420 __DRI2_FLUSH_DRAWABLE |
1421 __DRI2_FLUSH_INVALIDATE_ANCILLARY,
1422 __DRI2_THROTTLE_SWAPBUFFER);
1423 } else {
1424 dri2_dpy->flush->flush(dri_drawable);
1425 }
1426 }
1427 }
1428
1429 static EGLBoolean
1430 dri2_swap_buffers(_EGLDriver *drv, _EGLDisplay *dpy, _EGLSurface *surf)
1431 {
1432 struct dri2_egl_display *dri2_dpy = dri2_egl_display(dpy);
1433 return dri2_dpy->vtbl->swap_buffers(drv, dpy, surf);
1434 }
1435
1436 static EGLBoolean
1437 dri2_swap_buffers_with_damage(_EGLDriver *drv, _EGLDisplay *dpy,
1438 _EGLSurface *surf,
1439 const EGLint *rects, EGLint n_rects)
1440 {
1441 struct dri2_egl_display *dri2_dpy = dri2_egl_display(dpy);
1442 return dri2_dpy->vtbl->swap_buffers_with_damage(drv, dpy, surf,
1443 rects, n_rects);
1444 }
1445
1446 static EGLBoolean
1447 dri2_swap_buffers_region(_EGLDriver *drv, _EGLDisplay *dpy, _EGLSurface *surf,
1448 EGLint numRects, const EGLint *rects)
1449 {
1450 struct dri2_egl_display *dri2_dpy = dri2_egl_display(dpy);
1451 return dri2_dpy->vtbl->swap_buffers_region(drv, dpy, surf, numRects, rects);
1452 }
1453
1454 static EGLBoolean
1455 dri2_post_sub_buffer(_EGLDriver *drv, _EGLDisplay *dpy, _EGLSurface *surf,
1456 EGLint x, EGLint y, EGLint width, EGLint height)
1457 {
1458 struct dri2_egl_display *dri2_dpy = dri2_egl_display(dpy);
1459 return dri2_dpy->vtbl->post_sub_buffer(drv, dpy, surf, x, y, width, height);
1460 }
1461
1462 static EGLBoolean
1463 dri2_copy_buffers(_EGLDriver *drv, _EGLDisplay *dpy, _EGLSurface *surf,
1464 void *native_pixmap_target)
1465 {
1466 struct dri2_egl_display *dri2_dpy = dri2_egl_display(dpy);
1467 return dri2_dpy->vtbl->copy_buffers(drv, dpy, surf, native_pixmap_target);
1468 }
1469
1470 static EGLint
1471 dri2_query_buffer_age(_EGLDriver *drv, _EGLDisplay *dpy, _EGLSurface *surf)
1472 {
1473 struct dri2_egl_display *dri2_dpy = dri2_egl_display(dpy);
1474 return dri2_dpy->vtbl->query_buffer_age(drv, dpy, surf);
1475 }
1476
1477 static EGLBoolean
1478 dri2_wait_client(_EGLDriver *drv, _EGLDisplay *disp, _EGLContext *ctx)
1479 {
1480 struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
1481 _EGLSurface *surf = ctx->DrawSurface;
1482 __DRIdrawable *dri_drawable = dri2_dpy->vtbl->get_dri_drawable(surf);
1483
1484 (void) drv;
1485
1486 /* FIXME: If EGL allows frontbuffer rendering for window surfaces,
1487 * we need to copy fake to real here.*/
1488
1489 if (dri2_dpy->flush != NULL)
1490 dri2_dpy->flush->flush(dri_drawable);
1491
1492 return EGL_TRUE;
1493 }
1494
1495 static EGLBoolean
1496 dri2_wait_native(_EGLDriver *drv, _EGLDisplay *disp, EGLint engine)
1497 {
1498 (void) drv;
1499 (void) disp;
1500
1501 if (engine != EGL_CORE_NATIVE_ENGINE)
1502 return _eglError(EGL_BAD_PARAMETER, "eglWaitNative");
1503 /* glXWaitX(); */
1504
1505 return EGL_TRUE;
1506 }
1507
1508 static EGLBoolean
1509 dri2_bind_tex_image(_EGLDriver *drv,
1510 _EGLDisplay *disp, _EGLSurface *surf, EGLint buffer)
1511 {
1512 struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
1513 struct dri2_egl_context *dri2_ctx;
1514 _EGLContext *ctx;
1515 GLint format, target;
1516 __DRIdrawable *dri_drawable = dri2_dpy->vtbl->get_dri_drawable(surf);
1517
1518 ctx = _eglGetCurrentContext();
1519 dri2_ctx = dri2_egl_context(ctx);
1520
1521 if (!_eglBindTexImage(drv, disp, surf, buffer))
1522 return EGL_FALSE;
1523
1524 switch (surf->TextureFormat) {
1525 case EGL_TEXTURE_RGB:
1526 format = __DRI_TEXTURE_FORMAT_RGB;
1527 break;
1528 case EGL_TEXTURE_RGBA:
1529 format = __DRI_TEXTURE_FORMAT_RGBA;
1530 break;
1531 default:
1532 assert(!"Unexpected texture format in dri2_bind_tex_image()");
1533 format = __DRI_TEXTURE_FORMAT_RGBA;
1534 }
1535
1536 switch (surf->TextureTarget) {
1537 case EGL_TEXTURE_2D:
1538 target = GL_TEXTURE_2D;
1539 break;
1540 default:
1541 target = GL_TEXTURE_2D;
1542 assert(!"Unexpected texture target in dri2_bind_tex_image()");
1543 }
1544
1545 (*dri2_dpy->tex_buffer->setTexBuffer2)(dri2_ctx->dri_context,
1546 target, format,
1547 dri_drawable);
1548
1549 return EGL_TRUE;
1550 }
1551
1552 static EGLBoolean
1553 dri2_release_tex_image(_EGLDriver *drv,
1554 _EGLDisplay *disp, _EGLSurface *surf, EGLint buffer)
1555 {
1556 struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
1557 struct dri2_egl_context *dri2_ctx;
1558 _EGLContext *ctx;
1559 GLint target;
1560 __DRIdrawable *dri_drawable = dri2_dpy->vtbl->get_dri_drawable(surf);
1561
1562 ctx = _eglGetCurrentContext();
1563 dri2_ctx = dri2_egl_context(ctx);
1564
1565 if (!_eglReleaseTexImage(drv, disp, surf, buffer))
1566 return EGL_FALSE;
1567
1568 switch (surf->TextureTarget) {
1569 case EGL_TEXTURE_2D:
1570 target = GL_TEXTURE_2D;
1571 break;
1572 default:
1573 assert(0);
1574 }
1575
1576 if (dri2_dpy->tex_buffer->base.version >= 3 &&
1577 dri2_dpy->tex_buffer->releaseTexBuffer != NULL) {
1578 (*dri2_dpy->tex_buffer->releaseTexBuffer)(dri2_ctx->dri_context,
1579 target,
1580 dri_drawable);
1581 }
1582
1583 return EGL_TRUE;
1584 }
1585
1586 static _EGLImage*
1587 dri2_create_image(_EGLDriver *drv, _EGLDisplay *dpy, _EGLContext *ctx,
1588 EGLenum target, EGLClientBuffer buffer,
1589 const EGLint *attr_list)
1590 {
1591 struct dri2_egl_display *dri2_dpy = dri2_egl_display(dpy);
1592 return dri2_dpy->vtbl->create_image(drv, dpy, ctx, target, buffer,
1593 attr_list);
1594 }
1595
1596 static _EGLImage *
1597 dri2_create_image_from_dri(_EGLDisplay *disp, __DRIimage *dri_image)
1598 {
1599 struct dri2_egl_image *dri2_img;
1600
1601 if (dri_image == NULL) {
1602 _eglError(EGL_BAD_ALLOC, "dri2_create_image");
1603 return NULL;
1604 }
1605
1606 dri2_img = malloc(sizeof *dri2_img);
1607 if (!dri2_img) {
1608 _eglError(EGL_BAD_ALLOC, "dri2_create_image");
1609 return NULL;
1610 }
1611
1612 if (!_eglInitImage(&dri2_img->base, disp)) {
1613 free(dri2_img);
1614 return NULL;
1615 }
1616
1617 dri2_img->dri_image = dri_image;
1618
1619 return &dri2_img->base;
1620 }
1621
1622 static _EGLImage *
1623 dri2_create_image_khr_renderbuffer(_EGLDisplay *disp, _EGLContext *ctx,
1624 EGLClientBuffer buffer,
1625 const EGLint *attr_list)
1626 {
1627 struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
1628 struct dri2_egl_context *dri2_ctx = dri2_egl_context(ctx);
1629 GLuint renderbuffer = (GLuint) (uintptr_t) buffer;
1630 __DRIimage *dri_image;
1631
1632 if (renderbuffer == 0) {
1633 _eglError(EGL_BAD_PARAMETER, "dri2_create_image_khr");
1634 return EGL_NO_IMAGE_KHR;
1635 }
1636
1637 dri_image =
1638 dri2_dpy->image->createImageFromRenderbuffer(dri2_ctx->dri_context,
1639 renderbuffer, NULL);
1640
1641 return dri2_create_image_from_dri(disp, dri_image);
1642 }
1643
1644 #ifdef HAVE_WAYLAND_PLATFORM
1645
1646 /* This structure describes how a wl_buffer maps to one or more
1647 * __DRIimages. A wl_drm_buffer stores the wl_drm format code and the
1648 * offsets and strides of the planes in the buffer. This table maps a
1649 * wl_drm format code to a description of the planes in the buffer
1650 * that lets us create a __DRIimage for each of the planes. */
1651
1652 static const struct wl_drm_components_descriptor {
1653 uint32_t dri_components;
1654 EGLint components;
1655 int nplanes;
1656 } wl_drm_components[] = {
1657 { __DRI_IMAGE_COMPONENTS_RGB, EGL_TEXTURE_RGB, 1 },
1658 { __DRI_IMAGE_COMPONENTS_RGBA, EGL_TEXTURE_RGBA, 1 },
1659 { __DRI_IMAGE_COMPONENTS_Y_U_V, EGL_TEXTURE_Y_U_V_WL, 3 },
1660 { __DRI_IMAGE_COMPONENTS_Y_UV, EGL_TEXTURE_Y_UV_WL, 2 },
1661 { __DRI_IMAGE_COMPONENTS_Y_XUXV, EGL_TEXTURE_Y_XUXV_WL, 2 },
1662 };
1663
1664 static _EGLImage *
1665 dri2_create_image_wayland_wl_buffer(_EGLDisplay *disp, _EGLContext *ctx,
1666 EGLClientBuffer _buffer,
1667 const EGLint *attr_list)
1668 {
1669 struct wl_drm_buffer *buffer;
1670 struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
1671 const struct wl_drm_components_descriptor *f;
1672 __DRIimage *dri_image;
1673 _EGLImageAttribs attrs;
1674 EGLint err;
1675 int32_t plane;
1676
1677 buffer = wayland_drm_buffer_get(dri2_dpy->wl_server_drm,
1678 (struct wl_resource *) _buffer);
1679 if (!buffer)
1680 return NULL;
1681
1682 err = _eglParseImageAttribList(&attrs, disp, attr_list);
1683 plane = attrs.PlaneWL;
1684 if (err != EGL_SUCCESS) {
1685 _eglError(EGL_BAD_PARAMETER, "dri2_create_image_wayland_wl_buffer");
1686 return NULL;
1687 }
1688
1689 f = buffer->driver_format;
1690 if (plane < 0 || plane >= f->nplanes) {
1691 _eglError(EGL_BAD_PARAMETER,
1692 "dri2_create_image_wayland_wl_buffer (plane out of bounds)");
1693 return NULL;
1694 }
1695
1696 dri_image = dri2_dpy->image->fromPlanar(buffer->driver_buffer, plane, NULL);
1697
1698 if (dri_image == NULL) {
1699 _eglError(EGL_BAD_PARAMETER, "dri2_create_image_wayland_wl_buffer");
1700 return NULL;
1701 }
1702
1703 return dri2_create_image_from_dri(disp, dri_image);
1704 }
1705 #endif
1706
1707 static EGLBoolean
1708 dri2_get_sync_values_chromium(_EGLDisplay *dpy, _EGLSurface *surf,
1709 EGLuint64KHR *ust, EGLuint64KHR *msc,
1710 EGLuint64KHR *sbc)
1711 {
1712 struct dri2_egl_display *dri2_dpy = dri2_egl_display(dpy);
1713 return dri2_dpy->vtbl->get_sync_values(dpy, surf, ust, msc, sbc);
1714 }
1715
1716 /**
1717 * Set the error code after a call to
1718 * dri2_egl_image::dri_image::createImageFromTexture.
1719 */
1720 static void
1721 dri2_create_image_khr_texture_error(int dri_error)
1722 {
1723 EGLint egl_error;
1724
1725 switch (dri_error) {
1726 case __DRI_IMAGE_ERROR_SUCCESS:
1727 return;
1728
1729 case __DRI_IMAGE_ERROR_BAD_ALLOC:
1730 egl_error = EGL_BAD_ALLOC;
1731 break;
1732
1733 case __DRI_IMAGE_ERROR_BAD_MATCH:
1734 egl_error = EGL_BAD_MATCH;
1735 break;
1736
1737 case __DRI_IMAGE_ERROR_BAD_PARAMETER:
1738 egl_error = EGL_BAD_PARAMETER;
1739 break;
1740
1741 case __DRI_IMAGE_ERROR_BAD_ACCESS:
1742 egl_error = EGL_BAD_ACCESS;
1743 break;
1744
1745 default:
1746 assert(0);
1747 egl_error = EGL_BAD_MATCH;
1748 break;
1749 }
1750
1751 _eglError(egl_error, "dri2_create_image_khr_texture");
1752 }
1753
1754 static _EGLImage *
1755 dri2_create_image_khr_texture(_EGLDisplay *disp, _EGLContext *ctx,
1756 EGLenum target,
1757 EGLClientBuffer buffer,
1758 const EGLint *attr_list)
1759 {
1760 struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
1761 struct dri2_egl_context *dri2_ctx = dri2_egl_context(ctx);
1762 struct dri2_egl_image *dri2_img;
1763 GLuint texture = (GLuint) (uintptr_t) buffer;
1764 _EGLImageAttribs attrs;
1765 GLuint depth;
1766 GLenum gl_target;
1767 unsigned error;
1768
1769 if (texture == 0) {
1770 _eglError(EGL_BAD_PARAMETER, "dri2_create_image_khr");
1771 return EGL_NO_IMAGE_KHR;
1772 }
1773
1774 if (_eglParseImageAttribList(&attrs, disp, attr_list) != EGL_SUCCESS)
1775 return EGL_NO_IMAGE_KHR;
1776
1777 switch (target) {
1778 case EGL_GL_TEXTURE_2D_KHR:
1779 depth = 0;
1780 gl_target = GL_TEXTURE_2D;
1781 break;
1782 case EGL_GL_TEXTURE_3D_KHR:
1783 if (disp->Extensions.KHR_gl_texture_3D_image) {
1784 depth = attrs.GLTextureZOffset;
1785 gl_target = GL_TEXTURE_3D;
1786 break;
1787 }
1788 else {
1789 _eglError(EGL_BAD_PARAMETER, "dri2_create_image_khr");
1790 return EGL_NO_IMAGE_KHR;
1791 }
1792 case EGL_GL_TEXTURE_CUBE_MAP_POSITIVE_X_KHR:
1793 case EGL_GL_TEXTURE_CUBE_MAP_NEGATIVE_X_KHR:
1794 case EGL_GL_TEXTURE_CUBE_MAP_POSITIVE_Y_KHR:
1795 case EGL_GL_TEXTURE_CUBE_MAP_NEGATIVE_Y_KHR:
1796 case EGL_GL_TEXTURE_CUBE_MAP_POSITIVE_Z_KHR:
1797 case EGL_GL_TEXTURE_CUBE_MAP_NEGATIVE_Z_KHR:
1798 depth = target - EGL_GL_TEXTURE_CUBE_MAP_POSITIVE_X_KHR;
1799 gl_target = GL_TEXTURE_CUBE_MAP;
1800 break;
1801 default:
1802 _eglError(EGL_BAD_PARAMETER, "dri2_create_image_khr");
1803 return EGL_NO_IMAGE_KHR;
1804 }
1805
1806 dri2_img = malloc(sizeof *dri2_img);
1807 if (!dri2_img) {
1808 _eglError(EGL_BAD_ALLOC, "dri2_create_image_khr");
1809 return EGL_NO_IMAGE_KHR;
1810 }
1811
1812 if (!_eglInitImage(&dri2_img->base, disp)) {
1813 _eglError(EGL_BAD_ALLOC, "dri2_create_image_khr");
1814 free(dri2_img);
1815 return EGL_NO_IMAGE_KHR;
1816 }
1817
1818 dri2_img->dri_image =
1819 dri2_dpy->image->createImageFromTexture(dri2_ctx->dri_context,
1820 gl_target,
1821 texture,
1822 depth,
1823 attrs.GLTextureLevel,
1824 &error,
1825 dri2_img);
1826 dri2_create_image_khr_texture_error(error);
1827
1828 if (!dri2_img->dri_image) {
1829 free(dri2_img);
1830 return EGL_NO_IMAGE_KHR;
1831 }
1832 return &dri2_img->base;
1833 }
1834
1835 static EGLBoolean
1836 dri2_query_surface(_EGLDriver *drv, _EGLDisplay *dpy, _EGLSurface *surf,
1837 EGLint attribute, EGLint *value)
1838 {
1839 struct dri2_egl_display *dri2_dpy = dri2_egl_display(dpy);
1840 if (!dri2_dpy->vtbl->query_surface)
1841 return _eglQuerySurface(drv, dpy, surf, attribute, value);
1842 return dri2_dpy->vtbl->query_surface(drv, dpy, surf, attribute, value);
1843 }
1844
1845 static struct wl_buffer*
1846 dri2_create_wayland_buffer_from_image(_EGLDriver *drv, _EGLDisplay *dpy,
1847 _EGLImage *img)
1848 {
1849 struct dri2_egl_display *dri2_dpy = dri2_egl_display(dpy);
1850 return dri2_dpy->vtbl->create_wayland_buffer_from_image(drv, dpy, img);
1851 }
1852
1853 #ifdef HAVE_LIBDRM
1854 static _EGLImage *
1855 dri2_create_image_mesa_drm_buffer(_EGLDisplay *disp, _EGLContext *ctx,
1856 EGLClientBuffer buffer, const EGLint *attr_list)
1857 {
1858 struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
1859 EGLint format, name, pitch, err;
1860 _EGLImageAttribs attrs;
1861 __DRIimage *dri_image;
1862
1863 name = (EGLint) (uintptr_t) buffer;
1864
1865 err = _eglParseImageAttribList(&attrs, disp, attr_list);
1866 if (err != EGL_SUCCESS)
1867 return NULL;
1868
1869 if (attrs.Width <= 0 || attrs.Height <= 0 ||
1870 attrs.DRMBufferStrideMESA <= 0) {
1871 _eglError(EGL_BAD_PARAMETER,
1872 "bad width, height or stride");
1873 return NULL;
1874 }
1875
1876 switch (attrs.DRMBufferFormatMESA) {
1877 case EGL_DRM_BUFFER_FORMAT_ARGB32_MESA:
1878 format = __DRI_IMAGE_FORMAT_ARGB8888;
1879 pitch = attrs.DRMBufferStrideMESA;
1880 break;
1881 default:
1882 _eglError(EGL_BAD_PARAMETER,
1883 "dri2_create_image_khr: unsupported pixmap depth");
1884 return NULL;
1885 }
1886
1887 dri_image =
1888 dri2_dpy->image->createImageFromName(dri2_dpy->dri_screen,
1889 attrs.Width,
1890 attrs.Height,
1891 format,
1892 name,
1893 pitch,
1894 NULL);
1895
1896 return dri2_create_image_from_dri(disp, dri_image);
1897 }
1898
1899 static EGLBoolean
1900 dri2_check_dma_buf_attribs(const _EGLImageAttribs *attrs)
1901 {
1902 unsigned i;
1903
1904 /**
1905 * The spec says:
1906 *
1907 * "Required attributes and their values are as follows:
1908 *
1909 * * EGL_WIDTH & EGL_HEIGHT: The logical dimensions of the buffer in pixels
1910 *
1911 * * EGL_LINUX_DRM_FOURCC_EXT: The pixel format of the buffer, as specified
1912 * by drm_fourcc.h and used as the pixel_format parameter of the
1913 * drm_mode_fb_cmd2 ioctl."
1914 *
1915 * and
1916 *
1917 * "* If <target> is EGL_LINUX_DMA_BUF_EXT, and the list of attributes is
1918 * incomplete, EGL_BAD_PARAMETER is generated."
1919 */
1920 if (attrs->Width <= 0 || attrs->Height <= 0 ||
1921 !attrs->DMABufFourCC.IsPresent) {
1922 _eglError(EGL_BAD_PARAMETER, "attribute(s) missing");
1923 return EGL_FALSE;
1924 }
1925
1926 /**
1927 * Also:
1928 *
1929 * "If <target> is EGL_LINUX_DMA_BUF_EXT and one or more of the values
1930 * specified for a plane's pitch or offset isn't supported by EGL,
1931 * EGL_BAD_ACCESS is generated."
1932 */
1933 for (i = 0; i < ARRAY_SIZE(attrs->DMABufPlanePitches); ++i) {
1934 if (attrs->DMABufPlanePitches[i].IsPresent &&
1935 attrs->DMABufPlanePitches[i].Value <= 0) {
1936 _eglError(EGL_BAD_ACCESS, "invalid pitch");
1937 return EGL_FALSE;
1938 }
1939 }
1940
1941 return EGL_TRUE;
1942 }
1943
1944 /* Returns the total number of file descriptors. Zero indicates an error. */
1945 static unsigned
1946 dri2_check_dma_buf_format(const _EGLImageAttribs *attrs)
1947 {
1948 unsigned i, plane_n;
1949
1950 switch (attrs->DMABufFourCC.Value) {
1951 case DRM_FORMAT_R8:
1952 case DRM_FORMAT_RG88:
1953 case DRM_FORMAT_GR88:
1954 case DRM_FORMAT_RGB332:
1955 case DRM_FORMAT_BGR233:
1956 case DRM_FORMAT_XRGB4444:
1957 case DRM_FORMAT_XBGR4444:
1958 case DRM_FORMAT_RGBX4444:
1959 case DRM_FORMAT_BGRX4444:
1960 case DRM_FORMAT_ARGB4444:
1961 case DRM_FORMAT_ABGR4444:
1962 case DRM_FORMAT_RGBA4444:
1963 case DRM_FORMAT_BGRA4444:
1964 case DRM_FORMAT_XRGB1555:
1965 case DRM_FORMAT_XBGR1555:
1966 case DRM_FORMAT_RGBX5551:
1967 case DRM_FORMAT_BGRX5551:
1968 case DRM_FORMAT_ARGB1555:
1969 case DRM_FORMAT_ABGR1555:
1970 case DRM_FORMAT_RGBA5551:
1971 case DRM_FORMAT_BGRA5551:
1972 case DRM_FORMAT_RGB565:
1973 case DRM_FORMAT_BGR565:
1974 case DRM_FORMAT_RGB888:
1975 case DRM_FORMAT_BGR888:
1976 case DRM_FORMAT_XRGB8888:
1977 case DRM_FORMAT_XBGR8888:
1978 case DRM_FORMAT_RGBX8888:
1979 case DRM_FORMAT_BGRX8888:
1980 case DRM_FORMAT_ARGB8888:
1981 case DRM_FORMAT_ABGR8888:
1982 case DRM_FORMAT_RGBA8888:
1983 case DRM_FORMAT_BGRA8888:
1984 case DRM_FORMAT_XRGB2101010:
1985 case DRM_FORMAT_XBGR2101010:
1986 case DRM_FORMAT_RGBX1010102:
1987 case DRM_FORMAT_BGRX1010102:
1988 case DRM_FORMAT_ARGB2101010:
1989 case DRM_FORMAT_ABGR2101010:
1990 case DRM_FORMAT_RGBA1010102:
1991 case DRM_FORMAT_BGRA1010102:
1992 case DRM_FORMAT_YUYV:
1993 case DRM_FORMAT_YVYU:
1994 case DRM_FORMAT_UYVY:
1995 case DRM_FORMAT_VYUY:
1996 plane_n = 1;
1997 break;
1998 case DRM_FORMAT_NV12:
1999 case DRM_FORMAT_NV21:
2000 case DRM_FORMAT_NV16:
2001 case DRM_FORMAT_NV61:
2002 plane_n = 2;
2003 break;
2004 case DRM_FORMAT_YUV410:
2005 case DRM_FORMAT_YVU410:
2006 case DRM_FORMAT_YUV411:
2007 case DRM_FORMAT_YVU411:
2008 case DRM_FORMAT_YUV420:
2009 case DRM_FORMAT_YVU420:
2010 case DRM_FORMAT_YUV422:
2011 case DRM_FORMAT_YVU422:
2012 case DRM_FORMAT_YUV444:
2013 case DRM_FORMAT_YVU444:
2014 plane_n = 3;
2015 break;
2016 default:
2017 _eglError(EGL_BAD_ATTRIBUTE, "invalid format");
2018 return 0;
2019 }
2020
2021 /**
2022 * The spec says:
2023 *
2024 * "* If <target> is EGL_LINUX_DMA_BUF_EXT, and the list of attributes is
2025 * incomplete, EGL_BAD_PARAMETER is generated."
2026 */
2027 for (i = 0; i < plane_n; ++i) {
2028 if (!attrs->DMABufPlaneFds[i].IsPresent ||
2029 !attrs->DMABufPlaneOffsets[i].IsPresent ||
2030 !attrs->DMABufPlanePitches[i].IsPresent) {
2031 _eglError(EGL_BAD_PARAMETER, "plane attribute(s) missing");
2032 return 0;
2033 }
2034 }
2035
2036 /**
2037 * The spec also says:
2038 *
2039 * "If <target> is EGL_LINUX_DMA_BUF_EXT, and the EGL_LINUX_DRM_FOURCC_EXT
2040 * attribute indicates a single-plane format, EGL_BAD_ATTRIBUTE is
2041 * generated if any of the EGL_DMA_BUF_PLANE1_* or EGL_DMA_BUF_PLANE2_*
2042 * attributes are specified."
2043 */
2044 for (i = plane_n; i < 3; ++i) {
2045 if (attrs->DMABufPlaneFds[i].IsPresent ||
2046 attrs->DMABufPlaneOffsets[i].IsPresent ||
2047 attrs->DMABufPlanePitches[i].IsPresent) {
2048 _eglError(EGL_BAD_ATTRIBUTE, "too many plane attributes");
2049 return 0;
2050 }
2051 }
2052
2053 return plane_n;
2054 }
2055
2056 /**
2057 * The spec says:
2058 *
2059 * "If eglCreateImageKHR is successful for a EGL_LINUX_DMA_BUF_EXT target, the
2060 * EGL will take a reference to the dma_buf(s) which it will release at any
2061 * time while the EGLDisplay is initialized. It is the responsibility of the
2062 * application to close the dma_buf file descriptors."
2063 *
2064 * Therefore we must never close or otherwise modify the file descriptors.
2065 */
2066 _EGLImage *
2067 dri2_create_image_dma_buf(_EGLDisplay *disp, _EGLContext *ctx,
2068 EGLClientBuffer buffer, const EGLint *attr_list)
2069 {
2070 struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
2071 _EGLImage *res;
2072 EGLint err;
2073 _EGLImageAttribs attrs;
2074 __DRIimage *dri_image;
2075 unsigned num_fds;
2076 unsigned i;
2077 int fds[3];
2078 int pitches[3];
2079 int offsets[3];
2080 unsigned error;
2081
2082 /**
2083 * The spec says:
2084 *
2085 * ""* If <target> is EGL_LINUX_DMA_BUF_EXT and <buffer> is not NULL, the
2086 * error EGL_BAD_PARAMETER is generated."
2087 */
2088 if (buffer != NULL) {
2089 _eglError(EGL_BAD_PARAMETER, "buffer not NULL");
2090 return NULL;
2091 }
2092
2093 err = _eglParseImageAttribList(&attrs, disp, attr_list);
2094 if (err != EGL_SUCCESS) {
2095 _eglError(err, "bad attribute");
2096 return NULL;
2097 }
2098
2099 if (!dri2_check_dma_buf_attribs(&attrs))
2100 return NULL;
2101
2102 num_fds = dri2_check_dma_buf_format(&attrs);
2103 if (!num_fds)
2104 return NULL;
2105
2106 for (i = 0; i < num_fds; ++i) {
2107 fds[i] = attrs.DMABufPlaneFds[i].Value;
2108 pitches[i] = attrs.DMABufPlanePitches[i].Value;
2109 offsets[i] = attrs.DMABufPlaneOffsets[i].Value;
2110 }
2111
2112 dri_image =
2113 dri2_dpy->image->createImageFromDmaBufs(dri2_dpy->dri_screen,
2114 attrs.Width, attrs.Height, attrs.DMABufFourCC.Value,
2115 fds, num_fds, pitches, offsets,
2116 attrs.DMABufYuvColorSpaceHint.Value,
2117 attrs.DMABufSampleRangeHint.Value,
2118 attrs.DMABufChromaHorizontalSiting.Value,
2119 attrs.DMABufChromaVerticalSiting.Value,
2120 &error,
2121 NULL);
2122 dri2_create_image_khr_texture_error(error);
2123
2124 if (!dri_image)
2125 return EGL_NO_IMAGE_KHR;
2126
2127 res = dri2_create_image_from_dri(disp, dri_image);
2128
2129 return res;
2130 }
2131 static _EGLImage *
2132 dri2_create_drm_image_mesa(_EGLDriver *drv, _EGLDisplay *disp,
2133 const EGLint *attr_list)
2134 {
2135 struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
2136 struct dri2_egl_image *dri2_img;
2137 _EGLImageAttribs attrs;
2138 unsigned int dri_use, valid_mask;
2139 int format;
2140 EGLint err = EGL_SUCCESS;
2141
2142 (void) drv;
2143
2144 dri2_img = malloc(sizeof *dri2_img);
2145 if (!dri2_img) {
2146 _eglError(EGL_BAD_ALLOC, "dri2_create_image_khr");
2147 return EGL_NO_IMAGE_KHR;
2148 }
2149
2150 if (!attr_list) {
2151 err = EGL_BAD_PARAMETER;
2152 goto cleanup_img;
2153 }
2154
2155 if (!_eglInitImage(&dri2_img->base, disp)) {
2156 err = EGL_BAD_PARAMETER;
2157 goto cleanup_img;
2158 }
2159
2160 err = _eglParseImageAttribList(&attrs, disp, attr_list);
2161 if (err != EGL_SUCCESS)
2162 goto cleanup_img;
2163
2164 if (attrs.Width <= 0 || attrs.Height <= 0) {
2165 _eglLog(_EGL_WARNING, "bad width or height (%dx%d)",
2166 attrs.Width, attrs.Height);
2167 goto cleanup_img;
2168 }
2169
2170 switch (attrs.DRMBufferFormatMESA) {
2171 case EGL_DRM_BUFFER_FORMAT_ARGB32_MESA:
2172 format = __DRI_IMAGE_FORMAT_ARGB8888;
2173 break;
2174 default:
2175 _eglLog(_EGL_WARNING, "bad image format value 0x%04x",
2176 attrs.DRMBufferFormatMESA);
2177 goto cleanup_img;
2178 }
2179
2180 valid_mask =
2181 EGL_DRM_BUFFER_USE_SCANOUT_MESA |
2182 EGL_DRM_BUFFER_USE_SHARE_MESA |
2183 EGL_DRM_BUFFER_USE_CURSOR_MESA;
2184 if (attrs.DRMBufferUseMESA & ~valid_mask) {
2185 _eglLog(_EGL_WARNING, "bad image use bit 0x%04x",
2186 attrs.DRMBufferUseMESA & ~valid_mask);
2187 goto cleanup_img;
2188 }
2189
2190 dri_use = 0;
2191 if (attrs.DRMBufferUseMESA & EGL_DRM_BUFFER_USE_SHARE_MESA)
2192 dri_use |= __DRI_IMAGE_USE_SHARE;
2193 if (attrs.DRMBufferUseMESA & EGL_DRM_BUFFER_USE_SCANOUT_MESA)
2194 dri_use |= __DRI_IMAGE_USE_SCANOUT;
2195 if (attrs.DRMBufferUseMESA & EGL_DRM_BUFFER_USE_CURSOR_MESA)
2196 dri_use |= __DRI_IMAGE_USE_CURSOR;
2197
2198 dri2_img->dri_image =
2199 dri2_dpy->image->createImage(dri2_dpy->dri_screen,
2200 attrs.Width, attrs.Height,
2201 format, dri_use, dri2_img);
2202 if (dri2_img->dri_image == NULL) {
2203 err = EGL_BAD_ALLOC;
2204 goto cleanup_img;
2205 }
2206
2207 return &dri2_img->base;
2208
2209 cleanup_img:
2210 free(dri2_img);
2211 _eglError(err, "dri2_create_drm_image_mesa");
2212
2213 return EGL_NO_IMAGE_KHR;
2214 }
2215
2216 static EGLBoolean
2217 dri2_export_drm_image_mesa(_EGLDriver *drv, _EGLDisplay *disp, _EGLImage *img,
2218 EGLint *name, EGLint *handle, EGLint *stride)
2219 {
2220 struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
2221 struct dri2_egl_image *dri2_img = dri2_egl_image(img);
2222
2223 (void) drv;
2224
2225 if (name && !dri2_dpy->image->queryImage(dri2_img->dri_image,
2226 __DRI_IMAGE_ATTRIB_NAME, name)) {
2227 _eglError(EGL_BAD_ALLOC, "dri2_export_drm_image_mesa");
2228 return EGL_FALSE;
2229 }
2230
2231 if (handle)
2232 dri2_dpy->image->queryImage(dri2_img->dri_image,
2233 __DRI_IMAGE_ATTRIB_HANDLE, handle);
2234
2235 if (stride)
2236 dri2_dpy->image->queryImage(dri2_img->dri_image,
2237 __DRI_IMAGE_ATTRIB_STRIDE, stride);
2238
2239 return EGL_TRUE;
2240 }
2241
2242 static EGLBoolean
2243 dri2_export_dma_buf_image_query_mesa(_EGLDriver *drv, _EGLDisplay *disp,
2244 _EGLImage *img,
2245 EGLint *fourcc, EGLint *nplanes,
2246 EGLuint64KHR *modifiers)
2247 {
2248 struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
2249 struct dri2_egl_image *dri2_img = dri2_egl_image(img);
2250
2251 (void) drv;
2252
2253
2254 if (nplanes)
2255 dri2_dpy->image->queryImage(dri2_img->dri_image,
2256 __DRI_IMAGE_ATTRIB_NUM_PLANES, nplanes);
2257 if (fourcc)
2258 dri2_dpy->image->queryImage(dri2_img->dri_image,
2259 __DRI_IMAGE_ATTRIB_FOURCC, fourcc);
2260
2261 if (modifiers)
2262 *modifiers = 0;
2263
2264 return EGL_TRUE;
2265 }
2266
2267 static EGLBoolean
2268 dri2_export_dma_buf_image_mesa(_EGLDriver *drv, _EGLDisplay *disp, _EGLImage *img,
2269 int *fds, EGLint *strides, EGLint *offsets)
2270 {
2271 struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
2272 struct dri2_egl_image *dri2_img = dri2_egl_image(img);
2273
2274 (void) drv;
2275
2276 /* rework later to provide multiple fds/strides/offsets */
2277 if (fds)
2278 dri2_dpy->image->queryImage(dri2_img->dri_image,
2279 __DRI_IMAGE_ATTRIB_FD, fds);
2280
2281 if (strides)
2282 dri2_dpy->image->queryImage(dri2_img->dri_image,
2283 __DRI_IMAGE_ATTRIB_STRIDE, strides);
2284
2285 if (offsets) {
2286 int img_offset;
2287 bool ret = dri2_dpy->image->queryImage(dri2_img->dri_image,
2288 __DRI_IMAGE_ATTRIB_OFFSET, &img_offset);
2289 if (ret)
2290 offsets[0] = img_offset;
2291 else
2292 offsets[0] = 0;
2293 }
2294
2295 return EGL_TRUE;
2296 }
2297
2298 #endif
2299
2300 _EGLImage *
2301 dri2_create_image_khr(_EGLDriver *drv, _EGLDisplay *disp,
2302 _EGLContext *ctx, EGLenum target,
2303 EGLClientBuffer buffer, const EGLint *attr_list)
2304 {
2305 (void) drv;
2306
2307 switch (target) {
2308 case EGL_GL_TEXTURE_2D_KHR:
2309 case EGL_GL_TEXTURE_CUBE_MAP_POSITIVE_X_KHR:
2310 case EGL_GL_TEXTURE_CUBE_MAP_NEGATIVE_X_KHR:
2311 case EGL_GL_TEXTURE_CUBE_MAP_POSITIVE_Y_KHR:
2312 case EGL_GL_TEXTURE_CUBE_MAP_NEGATIVE_Y_KHR:
2313 case EGL_GL_TEXTURE_CUBE_MAP_POSITIVE_Z_KHR:
2314 case EGL_GL_TEXTURE_CUBE_MAP_NEGATIVE_Z_KHR:
2315 return dri2_create_image_khr_texture(disp, ctx, target, buffer, attr_list);
2316 case EGL_GL_TEXTURE_3D_KHR:
2317 if (disp->Extensions.KHR_gl_texture_3D_image) {
2318 return dri2_create_image_khr_texture(disp, ctx, target, buffer, attr_list);
2319 }
2320 else {
2321 _eglError(EGL_BAD_PARAMETER, "dri2_create_image_khr");
2322 return EGL_NO_IMAGE_KHR;
2323 }
2324 case EGL_GL_RENDERBUFFER_KHR:
2325 return dri2_create_image_khr_renderbuffer(disp, ctx, buffer, attr_list);
2326 #ifdef HAVE_LIBDRM
2327 case EGL_DRM_BUFFER_MESA:
2328 return dri2_create_image_mesa_drm_buffer(disp, ctx, buffer, attr_list);
2329 case EGL_LINUX_DMA_BUF_EXT:
2330 return dri2_create_image_dma_buf(disp, ctx, buffer, attr_list);
2331 #endif
2332 #ifdef HAVE_WAYLAND_PLATFORM
2333 case EGL_WAYLAND_BUFFER_WL:
2334 return dri2_create_image_wayland_wl_buffer(disp, ctx, buffer, attr_list);
2335 #endif
2336 default:
2337 _eglError(EGL_BAD_PARAMETER, "dri2_create_image_khr");
2338 return EGL_NO_IMAGE_KHR;
2339 }
2340 }
2341
2342 static EGLBoolean
2343 dri2_destroy_image_khr(_EGLDriver *drv, _EGLDisplay *disp, _EGLImage *image)
2344 {
2345 struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
2346 struct dri2_egl_image *dri2_img = dri2_egl_image(image);
2347
2348 (void) drv;
2349
2350 dri2_dpy->image->destroyImage(dri2_img->dri_image);
2351 free(dri2_img);
2352
2353 return EGL_TRUE;
2354 }
2355
2356 #ifdef HAVE_WAYLAND_PLATFORM
2357
2358 static void
2359 dri2_wl_reference_buffer(void *user_data, uint32_t name, int fd,
2360 struct wl_drm_buffer *buffer)
2361 {
2362 _EGLDisplay *disp = user_data;
2363 struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
2364 __DRIimage *img;
2365 int i, dri_components = 0;
2366
2367 if (fd == -1)
2368 img = dri2_dpy->image->createImageFromNames(dri2_dpy->dri_screen,
2369 buffer->width,
2370 buffer->height,
2371 buffer->format,
2372 (int*)&name, 1,
2373 buffer->stride,
2374 buffer->offset,
2375 NULL);
2376 else
2377 img = dri2_dpy->image->createImageFromFds(dri2_dpy->dri_screen,
2378 buffer->width,
2379 buffer->height,
2380 buffer->format,
2381 &fd, 1,
2382 buffer->stride,
2383 buffer->offset,
2384 NULL);
2385
2386 if (img == NULL)
2387 return;
2388
2389 dri2_dpy->image->queryImage(img, __DRI_IMAGE_ATTRIB_COMPONENTS, &dri_components);
2390
2391 buffer->driver_format = NULL;
2392 for (i = 0; i < ARRAY_SIZE(wl_drm_components); i++)
2393 if (wl_drm_components[i].dri_components == dri_components)
2394 buffer->driver_format = &wl_drm_components[i];
2395
2396 if (buffer->driver_format == NULL)
2397 dri2_dpy->image->destroyImage(img);
2398 else
2399 buffer->driver_buffer = img;
2400 }
2401
2402 static void
2403 dri2_wl_release_buffer(void *user_data, struct wl_drm_buffer *buffer)
2404 {
2405 _EGLDisplay *disp = user_data;
2406 struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
2407
2408 dri2_dpy->image->destroyImage(buffer->driver_buffer);
2409 }
2410
2411 static struct wayland_drm_callbacks wl_drm_callbacks = {
2412 .authenticate = NULL,
2413 .reference_buffer = dri2_wl_reference_buffer,
2414 .release_buffer = dri2_wl_release_buffer
2415 };
2416
2417 static EGLBoolean
2418 dri2_bind_wayland_display_wl(_EGLDriver *drv, _EGLDisplay *disp,
2419 struct wl_display *wl_dpy)
2420 {
2421 struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
2422 int flags = 0;
2423 uint64_t cap;
2424
2425 (void) drv;
2426
2427 if (dri2_dpy->wl_server_drm)
2428 return EGL_FALSE;
2429
2430 wl_drm_callbacks.authenticate =
2431 (int(*)(void *, uint32_t)) dri2_dpy->vtbl->authenticate;
2432
2433 if (drmGetCap(dri2_dpy->fd, DRM_CAP_PRIME, &cap) == 0 &&
2434 cap == (DRM_PRIME_CAP_IMPORT | DRM_PRIME_CAP_EXPORT) &&
2435 dri2_dpy->image->base.version >= 7 &&
2436 dri2_dpy->image->createImageFromFds != NULL)
2437 flags |= WAYLAND_DRM_PRIME;
2438
2439 dri2_dpy->wl_server_drm =
2440 wayland_drm_init(wl_dpy, dri2_dpy->device_name,
2441 &wl_drm_callbacks, disp, flags);
2442
2443 if (!dri2_dpy->wl_server_drm)
2444 return EGL_FALSE;
2445
2446 #ifdef HAVE_DRM_PLATFORM
2447 /* We have to share the wl_drm instance with gbm, so gbm can convert
2448 * wl_buffers to gbm bos. */
2449 if (dri2_dpy->gbm_dri)
2450 dri2_dpy->gbm_dri->wl_drm = dri2_dpy->wl_server_drm;
2451 #endif
2452
2453 return EGL_TRUE;
2454 }
2455
2456 static EGLBoolean
2457 dri2_unbind_wayland_display_wl(_EGLDriver *drv, _EGLDisplay *disp,
2458 struct wl_display *wl_dpy)
2459 {
2460 struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
2461
2462 (void) drv;
2463
2464 if (!dri2_dpy->wl_server_drm)
2465 return EGL_FALSE;
2466
2467 wayland_drm_uninit(dri2_dpy->wl_server_drm);
2468 dri2_dpy->wl_server_drm = NULL;
2469
2470 return EGL_TRUE;
2471 }
2472
2473 static EGLBoolean
2474 dri2_query_wayland_buffer_wl(_EGLDriver *drv, _EGLDisplay *disp,
2475 struct wl_resource *buffer_resource,
2476 EGLint attribute, EGLint *value)
2477 {
2478 struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
2479 struct wl_drm_buffer *buffer;
2480 const struct wl_drm_components_descriptor *format;
2481
2482 buffer = wayland_drm_buffer_get(dri2_dpy->wl_server_drm, buffer_resource);
2483 if (!buffer)
2484 return EGL_FALSE;
2485
2486 format = buffer->driver_format;
2487 switch (attribute) {
2488 case EGL_TEXTURE_FORMAT:
2489 *value = format->components;
2490 return EGL_TRUE;
2491 case EGL_WIDTH:
2492 *value = buffer->width;
2493 return EGL_TRUE;
2494 case EGL_HEIGHT:
2495 *value = buffer->height;
2496 return EGL_TRUE;
2497 }
2498
2499 return EGL_FALSE;
2500 }
2501 #endif
2502
2503 static void
2504 dri2_egl_ref_sync(struct dri2_egl_sync *sync)
2505 {
2506 p_atomic_inc(&sync->refcount);
2507 }
2508
2509 static void
2510 dri2_egl_unref_sync(struct dri2_egl_display *dri2_dpy,
2511 struct dri2_egl_sync *dri2_sync)
2512 {
2513 if (p_atomic_dec_zero(&dri2_sync->refcount)) {
2514 if (dri2_sync->base.Type == EGL_SYNC_REUSABLE_KHR)
2515 cnd_destroy(&dri2_sync->cond);
2516
2517 if (dri2_sync->fence)
2518 dri2_dpy->fence->destroy_fence(dri2_dpy->dri_screen, dri2_sync->fence);
2519
2520 free(dri2_sync);
2521 }
2522 }
2523
2524 static _EGLSync *
2525 dri2_create_sync(_EGLDriver *drv, _EGLDisplay *dpy,
2526 EGLenum type, const EGLAttrib *attrib_list)
2527 {
2528 _EGLContext *ctx = _eglGetCurrentContext();
2529 struct dri2_egl_display *dri2_dpy = dri2_egl_display(dpy);
2530 struct dri2_egl_context *dri2_ctx = dri2_egl_context(ctx);
2531 struct dri2_egl_sync *dri2_sync;
2532 EGLint ret;
2533 pthread_condattr_t attr;
2534
2535 dri2_sync = calloc(1, sizeof(struct dri2_egl_sync));
2536 if (!dri2_sync) {
2537 _eglError(EGL_BAD_ALLOC, "eglCreateSyncKHR");
2538 return NULL;
2539 }
2540
2541 if (!_eglInitSync(&dri2_sync->base, dpy, type, attrib_list)) {
2542 free(dri2_sync);
2543 return NULL;
2544 }
2545
2546 switch (type) {
2547 case EGL_SYNC_FENCE_KHR:
2548 dri2_sync->fence = dri2_dpy->fence->create_fence(dri2_ctx->dri_context);
2549 if (!dri2_sync->fence) {
2550 /* Why did it fail? DRI doesn't return an error code, so we emit
2551 * a generic EGL error that doesn't communicate user error.
2552 */
2553 _eglError(EGL_BAD_ALLOC, "eglCreateSyncKHR");
2554 free(dri2_sync);
2555 return NULL;
2556 }
2557 break;
2558
2559 case EGL_SYNC_CL_EVENT_KHR:
2560 dri2_sync->fence = dri2_dpy->fence->get_fence_from_cl_event(
2561 dri2_dpy->dri_screen,
2562 dri2_sync->base.CLEvent);
2563 /* this can only happen if the cl_event passed in is invalid. */
2564 if (!dri2_sync->fence) {
2565 _eglError(EGL_BAD_ATTRIBUTE, "eglCreateSyncKHR");
2566 free(dri2_sync);
2567 return NULL;
2568 }
2569
2570 /* the initial status must be "signaled" if the cl_event is signaled */
2571 if (dri2_dpy->fence->client_wait_sync(dri2_ctx->dri_context,
2572 dri2_sync->fence, 0, 0))
2573 dri2_sync->base.SyncStatus = EGL_SIGNALED_KHR;
2574 break;
2575
2576 case EGL_SYNC_REUSABLE_KHR:
2577 /* intialize attr */
2578 ret = pthread_condattr_init(&attr);
2579
2580 if (ret) {
2581 _eglError(EGL_BAD_ACCESS, "eglCreateSyncKHR");
2582 free(dri2_sync);
2583 return NULL;
2584 }
2585
2586 /* change clock attribute to CLOCK_MONOTONIC */
2587 ret = pthread_condattr_setclock(&attr, CLOCK_MONOTONIC);
2588
2589 if (ret) {
2590 _eglError(EGL_BAD_ACCESS, "eglCreateSyncKHR");
2591 free(dri2_sync);
2592 return NULL;
2593 }
2594
2595 ret = pthread_cond_init(&dri2_sync->cond, &attr);
2596
2597 if (ret) {
2598 _eglError(EGL_BAD_ACCESS, "eglCreateSyncKHR");
2599 free(dri2_sync);
2600 return NULL;
2601 }
2602
2603 /* initial status of reusable sync must be "unsignaled" */
2604 dri2_sync->base.SyncStatus = EGL_UNSIGNALED_KHR;
2605 break;
2606 }
2607
2608 p_atomic_set(&dri2_sync->refcount, 1);
2609 return &dri2_sync->base;
2610 }
2611
2612 static EGLBoolean
2613 dri2_destroy_sync(_EGLDriver *drv, _EGLDisplay *dpy, _EGLSync *sync)
2614 {
2615 struct dri2_egl_display *dri2_dpy = dri2_egl_display(dpy);
2616 struct dri2_egl_sync *dri2_sync = dri2_egl_sync(sync);
2617 EGLint ret = EGL_TRUE;
2618 EGLint err;
2619
2620 /* if type of sync is EGL_SYNC_REUSABLE_KHR and it is not signaled yet,
2621 * then unlock all threads possibly blocked by the reusable sync before
2622 * destroying it.
2623 */
2624 if (dri2_sync->base.Type == EGL_SYNC_REUSABLE_KHR &&
2625 dri2_sync->base.SyncStatus == EGL_UNSIGNALED_KHR) {
2626 dri2_sync->base.SyncStatus = EGL_SIGNALED_KHR;
2627 /* unblock all threads currently blocked by sync */
2628 err = cnd_broadcast(&dri2_sync->cond);
2629
2630 if (err) {
2631 _eglError(EGL_BAD_ACCESS, "eglDestroySyncKHR");
2632 ret = EGL_FALSE;
2633 }
2634 }
2635 dri2_egl_unref_sync(dri2_dpy, dri2_sync);
2636
2637 return ret;
2638 }
2639
2640 static EGLint
2641 dri2_client_wait_sync(_EGLDriver *drv, _EGLDisplay *dpy, _EGLSync *sync,
2642 EGLint flags, EGLTime timeout)
2643 {
2644 _EGLContext *ctx = _eglGetCurrentContext();
2645 struct dri2_egl_driver *dri2_drv = dri2_egl_driver(drv);
2646 struct dri2_egl_display *dri2_dpy = dri2_egl_display(dpy);
2647 struct dri2_egl_context *dri2_ctx = dri2_egl_context(ctx);
2648 struct dri2_egl_sync *dri2_sync = dri2_egl_sync(sync);
2649 unsigned wait_flags = 0;
2650
2651 /* timespecs for cnd_timedwait */
2652 struct timespec current;
2653 xtime expire;
2654
2655 EGLint ret = EGL_CONDITION_SATISFIED_KHR;
2656
2657 /* The EGL_KHR_fence_sync spec states:
2658 *
2659 * "If no context is current for the bound API,
2660 * the EGL_SYNC_FLUSH_COMMANDS_BIT_KHR bit is ignored.
2661 */
2662 if (dri2_ctx && flags & EGL_SYNC_FLUSH_COMMANDS_BIT_KHR)
2663 wait_flags |= __DRI2_FENCE_FLAG_FLUSH_COMMANDS;
2664
2665 /* the sync object should take a reference while waiting */
2666 dri2_egl_ref_sync(dri2_sync);
2667
2668 switch (sync->Type) {
2669 case EGL_SYNC_FENCE_KHR:
2670 case EGL_SYNC_CL_EVENT_KHR:
2671 if (dri2_dpy->fence->client_wait_sync(dri2_ctx ? dri2_ctx->dri_context : NULL,
2672 dri2_sync->fence, wait_flags,
2673 timeout))
2674 dri2_sync->base.SyncStatus = EGL_SIGNALED_KHR;
2675 else
2676 ret = EGL_TIMEOUT_EXPIRED_KHR;
2677 break;
2678
2679 case EGL_SYNC_REUSABLE_KHR:
2680 if (dri2_ctx && dri2_sync->base.SyncStatus == EGL_UNSIGNALED_KHR &&
2681 (flags & EGL_SYNC_FLUSH_COMMANDS_BIT_KHR)) {
2682 /* flush context if EGL_SYNC_FLUSH_COMMANDS_BIT_KHR is set */
2683 dri2_drv->glFlush();
2684 }
2685
2686 /* if timeout is EGL_FOREVER_KHR, it should wait without any timeout.*/
2687 if (timeout == EGL_FOREVER_KHR) {
2688 mtx_lock(&dri2_sync->mutex);
2689 cnd_wait(&dri2_sync->cond, &dri2_sync->mutex);
2690 mtx_unlock(&dri2_sync->mutex);
2691 } else {
2692 /* if reusable sync has not been yet signaled */
2693 if (dri2_sync->base.SyncStatus != EGL_SIGNALED_KHR) {
2694 clock_gettime(CLOCK_MONOTONIC, &current);
2695
2696 /* calculating when to expire */
2697 expire.nsec = timeout % 1000000000L;
2698 expire.sec = timeout / 1000000000L;
2699
2700 expire.nsec += current.tv_nsec;
2701 expire.sec += current.tv_sec;
2702
2703 /* expire.nsec now is a number between 0 and 1999999998 */
2704 if (expire.nsec > 999999999L) {
2705 expire.sec++;
2706 expire.nsec -= 1000000000L;
2707 }
2708
2709 mtx_lock(&dri2_sync->mutex);
2710 ret = cnd_timedwait(&dri2_sync->cond, &dri2_sync->mutex, &expire);
2711 mtx_unlock(&dri2_sync->mutex);
2712
2713 if (ret == thrd_busy) {
2714 if (dri2_sync->base.SyncStatus == EGL_UNSIGNALED_KHR) {
2715 ret = EGL_TIMEOUT_EXPIRED_KHR;
2716 } else {
2717 _eglError(EGL_BAD_ACCESS, "eglClientWaitSyncKHR");
2718 ret = EGL_FALSE;
2719 }
2720 }
2721 }
2722 }
2723 break;
2724 }
2725 dri2_egl_unref_sync(dri2_dpy, dri2_sync);
2726
2727 return ret;
2728 }
2729
2730 static EGLBoolean
2731 dri2_signal_sync(_EGLDriver *drv, _EGLDisplay *dpy, _EGLSync *sync,
2732 EGLenum mode)
2733 {
2734 struct dri2_egl_sync *dri2_sync = dri2_egl_sync(sync);
2735 EGLint ret;
2736
2737 if (sync->Type != EGL_SYNC_REUSABLE_KHR) {
2738 _eglError(EGL_BAD_MATCH, "eglSignalSyncKHR");
2739 return EGL_FALSE;
2740 }
2741
2742 if (mode != EGL_SIGNALED_KHR && mode != EGL_UNSIGNALED_KHR) {
2743 _eglError(EGL_BAD_ATTRIBUTE, "eglSignalSyncKHR");
2744 return EGL_FALSE;
2745 }
2746
2747 dri2_sync->base.SyncStatus = mode;
2748
2749 if (mode == EGL_SIGNALED_KHR) {
2750 ret = cnd_broadcast(&dri2_sync->cond);
2751
2752 /* fail to broadcast */
2753 if (ret) {
2754 _eglError(EGL_BAD_ACCESS, "eglSignalSyncKHR");
2755 return EGL_FALSE;
2756 }
2757 }
2758
2759 return EGL_TRUE;
2760 }
2761
2762 static EGLint
2763 dri2_server_wait_sync(_EGLDriver *drv, _EGLDisplay *dpy, _EGLSync *sync)
2764 {
2765 _EGLContext *ctx = _eglGetCurrentContext();
2766 struct dri2_egl_display *dri2_dpy = dri2_egl_display(dpy);
2767 struct dri2_egl_context *dri2_ctx = dri2_egl_context(ctx);
2768 struct dri2_egl_sync *dri2_sync = dri2_egl_sync(sync);
2769
2770 dri2_dpy->fence->server_wait_sync(dri2_ctx->dri_context,
2771 dri2_sync->fence, 0);
2772 return EGL_TRUE;
2773 }
2774
2775 static int
2776 dri2_interop_query_device_info(_EGLDisplay *dpy, _EGLContext *ctx,
2777 struct mesa_glinterop_device_info *out)
2778 {
2779 struct dri2_egl_display *dri2_dpy = dri2_egl_display(dpy);
2780 struct dri2_egl_context *dri2_ctx = dri2_egl_context(ctx);
2781
2782 if (!dri2_dpy->interop)
2783 return MESA_GLINTEROP_UNSUPPORTED;
2784
2785 return dri2_dpy->interop->query_device_info(dri2_ctx->dri_context, out);
2786 }
2787
2788 static int
2789 dri2_interop_export_object(_EGLDisplay *dpy, _EGLContext *ctx,
2790 struct mesa_glinterop_export_in *in,
2791 struct mesa_glinterop_export_out *out)
2792 {
2793 struct dri2_egl_display *dri2_dpy = dri2_egl_display(dpy);
2794 struct dri2_egl_context *dri2_ctx = dri2_egl_context(ctx);
2795
2796 if (!dri2_dpy->interop)
2797 return MESA_GLINTEROP_UNSUPPORTED;
2798
2799 return dri2_dpy->interop->export_object(dri2_ctx->dri_context, in, out);
2800 }
2801
2802 static void
2803 dri2_unload(_EGLDriver *drv)
2804 {
2805 struct dri2_egl_driver *dri2_drv = dri2_egl_driver(drv);
2806
2807 dlclose(dri2_drv->handle);
2808 free(dri2_drv);
2809 }
2810
2811 static EGLBoolean
2812 dri2_load(_EGLDriver *drv)
2813 {
2814 struct dri2_egl_driver *dri2_drv = dri2_egl_driver(drv);
2815 #ifdef HAVE_ANDROID_PLATFORM
2816 const char *libname = "libglapi.so";
2817 #elif defined(__APPLE__)
2818 const char *libname = "libglapi.0.dylib";
2819 #elif defined(__CYGWIN__)
2820 const char *libname = "cygglapi-0.dll";
2821 #else
2822 const char *libname = "libglapi.so.0";
2823 #endif
2824 void *handle;
2825
2826 /* RTLD_GLOBAL to make sure glapi symbols are visible to DRI drivers */
2827 handle = dlopen(libname, RTLD_LAZY | RTLD_GLOBAL);
2828 if (!handle) {
2829 _eglLog(_EGL_WARNING, "DRI2: failed to open glapi provider");
2830 goto no_handle;
2831 }
2832
2833 dri2_drv->get_proc_address = (_EGLProc (*)(const char *))
2834 dlsym(handle, "_glapi_get_proc_address");
2835
2836 /* if glapi is not available, loading DRI drivers will fail */
2837 if (!dri2_drv->get_proc_address) {
2838 _eglLog(_EGL_WARNING, "DRI2: failed to find _glapi_get_proc_address");
2839 goto no_symbol;
2840 }
2841
2842 dri2_drv->glFlush = (void (*)(void))
2843 dri2_drv->get_proc_address("glFlush");
2844
2845 /* if glFlush is not available things are horribly broken */
2846 if (!dri2_drv->glFlush) {
2847 _eglLog(_EGL_WARNING, "DRI2: failed to find glFlush entry point");
2848 goto no_symbol;
2849 }
2850
2851 dri2_drv->handle = handle;
2852 return EGL_TRUE;
2853
2854 no_symbol:
2855 dlclose(handle);
2856 no_handle:
2857 return EGL_FALSE;
2858 }
2859
2860 /**
2861 * This is the main entrypoint into the driver, called by libEGL.
2862 * Create a new _EGLDriver object and init its dispatch table.
2863 */
2864 _EGLDriver *
2865 _eglBuiltInDriverDRI2(const char *args)
2866 {
2867 struct dri2_egl_driver *dri2_drv;
2868
2869 (void) args;
2870
2871 dri2_drv = calloc(1, sizeof *dri2_drv);
2872 if (!dri2_drv)
2873 return NULL;
2874
2875 if (!dri2_load(&dri2_drv->base)) {
2876 free(dri2_drv);
2877 return NULL;
2878 }
2879
2880 _eglInitDriverFallbacks(&dri2_drv->base);
2881 dri2_drv->base.API.Initialize = dri2_initialize;
2882 dri2_drv->base.API.Terminate = dri2_terminate;
2883 dri2_drv->base.API.CreateContext = dri2_create_context;
2884 dri2_drv->base.API.DestroyContext = dri2_destroy_context;
2885 dri2_drv->base.API.MakeCurrent = dri2_make_current;
2886 dri2_drv->base.API.CreateWindowSurface = dri2_create_window_surface;
2887 dri2_drv->base.API.CreatePixmapSurface = dri2_create_pixmap_surface;
2888 dri2_drv->base.API.CreatePbufferSurface = dri2_create_pbuffer_surface;
2889 dri2_drv->base.API.DestroySurface = dri2_destroy_surface;
2890 dri2_drv->base.API.GetProcAddress = dri2_get_proc_address;
2891 dri2_drv->base.API.WaitClient = dri2_wait_client;
2892 dri2_drv->base.API.WaitNative = dri2_wait_native;
2893 dri2_drv->base.API.BindTexImage = dri2_bind_tex_image;
2894 dri2_drv->base.API.ReleaseTexImage = dri2_release_tex_image;
2895 dri2_drv->base.API.SwapInterval = dri2_swap_interval;
2896 dri2_drv->base.API.SwapBuffers = dri2_swap_buffers;
2897 dri2_drv->base.API.SwapBuffersWithDamageEXT = dri2_swap_buffers_with_damage;
2898 dri2_drv->base.API.SwapBuffersRegionNOK = dri2_swap_buffers_region;
2899 dri2_drv->base.API.PostSubBufferNV = dri2_post_sub_buffer;
2900 dri2_drv->base.API.CopyBuffers = dri2_copy_buffers,
2901 dri2_drv->base.API.QueryBufferAge = dri2_query_buffer_age;
2902 dri2_drv->base.API.CreateImageKHR = dri2_create_image;
2903 dri2_drv->base.API.DestroyImageKHR = dri2_destroy_image_khr;
2904 dri2_drv->base.API.CreateWaylandBufferFromImageWL = dri2_create_wayland_buffer_from_image;
2905 dri2_drv->base.API.QuerySurface = dri2_query_surface;
2906 #ifdef HAVE_LIBDRM
2907 dri2_drv->base.API.CreateDRMImageMESA = dri2_create_drm_image_mesa;
2908 dri2_drv->base.API.ExportDRMImageMESA = dri2_export_drm_image_mesa;
2909 dri2_drv->base.API.ExportDMABUFImageQueryMESA = dri2_export_dma_buf_image_query_mesa;
2910 dri2_drv->base.API.ExportDMABUFImageMESA = dri2_export_dma_buf_image_mesa;
2911 #endif
2912 #ifdef HAVE_WAYLAND_PLATFORM
2913 dri2_drv->base.API.BindWaylandDisplayWL = dri2_bind_wayland_display_wl;
2914 dri2_drv->base.API.UnbindWaylandDisplayWL = dri2_unbind_wayland_display_wl;
2915 dri2_drv->base.API.QueryWaylandBufferWL = dri2_query_wayland_buffer_wl;
2916 #endif
2917 dri2_drv->base.API.GetSyncValuesCHROMIUM = dri2_get_sync_values_chromium;
2918 dri2_drv->base.API.CreateSyncKHR = dri2_create_sync;
2919 dri2_drv->base.API.ClientWaitSyncKHR = dri2_client_wait_sync;
2920 dri2_drv->base.API.SignalSyncKHR = dri2_signal_sync;
2921 dri2_drv->base.API.WaitSyncKHR = dri2_server_wait_sync;
2922 dri2_drv->base.API.DestroySyncKHR = dri2_destroy_sync;
2923 dri2_drv->base.API.GLInteropQueryDeviceInfo = dri2_interop_query_device_info;
2924 dri2_drv->base.API.GLInteropExportObject = dri2_interop_export_object;
2925
2926 dri2_drv->base.Name = "DRI2";
2927 dri2_drv->base.Unload = dri2_unload;
2928
2929 return &dri2_drv->base;
2930 }