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egl: stop claiming support for pbuffer + msaa
[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 /* No support for pbuffer + MSAA for now.
324 *
325 * XXX TODO: pbuffer + MSAA does not work and causes crashes.
326 * See QT bugreport: https://bugreports.qt.io/browse/QTBUG-47509
327 */
328 if (base.Samples) {
329 surface_type &= ~EGL_PBUFFER_BIT;
330 }
331
332 conf->base.SurfaceType |= surface_type;
333
334 return conf;
335 }
336
337 __DRIimage *
338 dri2_lookup_egl_image(__DRIscreen *screen, void *image, void *data)
339 {
340 _EGLDisplay *disp = data;
341 struct dri2_egl_image *dri2_img;
342 _EGLImage *img;
343
344 (void) screen;
345
346 img = _eglLookupImage(image, disp);
347 if (img == NULL) {
348 _eglError(EGL_BAD_PARAMETER, "dri2_lookup_egl_image");
349 return NULL;
350 }
351
352 dri2_img = dri2_egl_image(image);
353
354 return dri2_img->dri_image;
355 }
356
357 const __DRIimageLookupExtension image_lookup_extension = {
358 .base = { __DRI_IMAGE_LOOKUP, 1 },
359
360 .lookupEGLImage = dri2_lookup_egl_image
361 };
362
363 struct dri2_extension_match {
364 const char *name;
365 int version;
366 int offset;
367 };
368
369 static struct dri2_extension_match dri3_driver_extensions[] = {
370 { __DRI_CORE, 1, offsetof(struct dri2_egl_display, core) },
371 { __DRI_IMAGE_DRIVER, 1, offsetof(struct dri2_egl_display, image_driver) },
372 { NULL, 0, 0 }
373 };
374
375 static struct dri2_extension_match dri2_driver_extensions[] = {
376 { __DRI_CORE, 1, offsetof(struct dri2_egl_display, core) },
377 { __DRI_DRI2, 2, offsetof(struct dri2_egl_display, dri2) },
378 { NULL, 0, 0 }
379 };
380
381 static struct dri2_extension_match dri2_core_extensions[] = {
382 { __DRI2_FLUSH, 1, offsetof(struct dri2_egl_display, flush) },
383 { __DRI_TEX_BUFFER, 2, offsetof(struct dri2_egl_display, tex_buffer) },
384 { __DRI_IMAGE, 1, offsetof(struct dri2_egl_display, image) },
385 { NULL, 0, 0 }
386 };
387
388 static struct dri2_extension_match swrast_driver_extensions[] = {
389 { __DRI_CORE, 1, offsetof(struct dri2_egl_display, core) },
390 { __DRI_SWRAST, 2, offsetof(struct dri2_egl_display, swrast) },
391 { NULL, 0, 0 }
392 };
393
394 static struct dri2_extension_match swrast_core_extensions[] = {
395 { __DRI_TEX_BUFFER, 2, offsetof(struct dri2_egl_display, tex_buffer) },
396 { NULL, 0, 0 }
397 };
398
399 static EGLBoolean
400 dri2_bind_extensions(struct dri2_egl_display *dri2_dpy,
401 struct dri2_extension_match *matches,
402 const __DRIextension **extensions)
403 {
404 int i, j, ret = EGL_TRUE;
405 void *field;
406
407 for (i = 0; extensions[i]; i++) {
408 _eglLog(_EGL_DEBUG, "found extension `%s'", extensions[i]->name);
409 for (j = 0; matches[j].name; j++) {
410 if (strcmp(extensions[i]->name, matches[j].name) == 0 &&
411 extensions[i]->version >= matches[j].version) {
412 field = ((char *) dri2_dpy + matches[j].offset);
413 *(const __DRIextension **) field = extensions[i];
414 _eglLog(_EGL_INFO, "found extension %s version %d",
415 extensions[i]->name, extensions[i]->version);
416 }
417 }
418 }
419
420 for (j = 0; matches[j].name; j++) {
421 field = ((char *) dri2_dpy + matches[j].offset);
422 if (*(const __DRIextension **) field == NULL) {
423 _eglLog(_EGL_WARNING, "did not find extension %s version %d",
424 matches[j].name, matches[j].version);
425 ret = EGL_FALSE;
426 }
427 }
428
429 return ret;
430 }
431
432 static const __DRIextension **
433 dri2_open_driver(_EGLDisplay *disp)
434 {
435 struct dri2_egl_display *dri2_dpy = disp->DriverData;
436 const __DRIextension **extensions = NULL;
437 char path[PATH_MAX], *search_paths, *p, *next, *end;
438 char *get_extensions_name;
439 const __DRIextension **(*get_extensions)(void);
440
441 search_paths = NULL;
442 if (geteuid() == getuid()) {
443 /* don't allow setuid apps to use LIBGL_DRIVERS_PATH */
444 search_paths = getenv("LIBGL_DRIVERS_PATH");
445 }
446 if (search_paths == NULL)
447 search_paths = DEFAULT_DRIVER_DIR;
448
449 dri2_dpy->driver = NULL;
450 end = search_paths + strlen(search_paths);
451 for (p = search_paths; p < end; p = next + 1) {
452 int len;
453 next = strchr(p, ':');
454 if (next == NULL)
455 next = end;
456
457 len = next - p;
458 #if GLX_USE_TLS
459 snprintf(path, sizeof path,
460 "%.*s/tls/%s_dri.so", len, p, dri2_dpy->driver_name);
461 dri2_dpy->driver = dlopen(path, RTLD_NOW | RTLD_GLOBAL);
462 #endif
463 if (dri2_dpy->driver == NULL) {
464 snprintf(path, sizeof path,
465 "%.*s/%s_dri.so", len, p, dri2_dpy->driver_name);
466 dri2_dpy->driver = dlopen(path, RTLD_NOW | RTLD_GLOBAL);
467 if (dri2_dpy->driver == NULL)
468 _eglLog(_EGL_DEBUG, "failed to open %s: %s\n", path, dlerror());
469 }
470 /* not need continue to loop all paths once the driver is found */
471 if (dri2_dpy->driver != NULL)
472 break;
473
474 #ifdef ANDROID
475 snprintf(path, sizeof path, "%.*s/gallium_dri.so", len, p);
476 dri2_dpy->driver = dlopen(path, RTLD_NOW | RTLD_GLOBAL);
477 if (dri2_dpy->driver == NULL)
478 _eglLog(_EGL_DEBUG, "failed to open %s: %s\n", path, dlerror());
479 else
480 break;
481 #endif
482 }
483
484 if (dri2_dpy->driver == NULL) {
485 _eglLog(_EGL_WARNING,
486 "DRI2: failed to open %s (search paths %s)",
487 dri2_dpy->driver_name, search_paths);
488 return NULL;
489 }
490
491 _eglLog(_EGL_DEBUG, "DRI2: dlopen(%s)", path);
492
493 if (asprintf(&get_extensions_name, "%s_%s",
494 __DRI_DRIVER_GET_EXTENSIONS, dri2_dpy->driver_name) != -1) {
495 get_extensions = dlsym(dri2_dpy->driver, get_extensions_name);
496 if (get_extensions) {
497 extensions = get_extensions();
498 } else {
499 _eglLog(_EGL_DEBUG, "driver does not expose %s(): %s\n",
500 get_extensions_name, dlerror());
501 }
502 free(get_extensions_name);
503 }
504
505 if (!extensions)
506 extensions = dlsym(dri2_dpy->driver, __DRI_DRIVER_EXTENSIONS);
507 if (extensions == NULL) {
508 _eglLog(_EGL_WARNING,
509 "DRI2: driver exports no extensions (%s)", dlerror());
510 dlclose(dri2_dpy->driver);
511 }
512
513 return extensions;
514 }
515
516 EGLBoolean
517 dri2_load_driver_dri3(_EGLDisplay *disp)
518 {
519 struct dri2_egl_display *dri2_dpy = disp->DriverData;
520 const __DRIextension **extensions;
521
522 extensions = dri2_open_driver(disp);
523 if (!extensions)
524 return EGL_FALSE;
525
526 if (!dri2_bind_extensions(dri2_dpy, dri3_driver_extensions, extensions)) {
527 dlclose(dri2_dpy->driver);
528 return EGL_FALSE;
529 }
530 dri2_dpy->driver_extensions = extensions;
531
532 return EGL_TRUE;
533 }
534
535 EGLBoolean
536 dri2_load_driver(_EGLDisplay *disp)
537 {
538 struct dri2_egl_display *dri2_dpy = disp->DriverData;
539 const __DRIextension **extensions;
540
541 extensions = dri2_open_driver(disp);
542 if (!extensions)
543 return EGL_FALSE;
544
545 if (!dri2_bind_extensions(dri2_dpy, dri2_driver_extensions, extensions)) {
546 dlclose(dri2_dpy->driver);
547 return EGL_FALSE;
548 }
549 dri2_dpy->driver_extensions = extensions;
550
551 return EGL_TRUE;
552 }
553
554 EGLBoolean
555 dri2_load_driver_swrast(_EGLDisplay *disp)
556 {
557 struct dri2_egl_display *dri2_dpy = disp->DriverData;
558 const __DRIextension **extensions;
559
560 extensions = dri2_open_driver(disp);
561 if (!extensions)
562 return EGL_FALSE;
563
564 if (!dri2_bind_extensions(dri2_dpy, swrast_driver_extensions, extensions)) {
565 dlclose(dri2_dpy->driver);
566 return EGL_FALSE;
567 }
568 dri2_dpy->driver_extensions = extensions;
569
570 return EGL_TRUE;
571 }
572
573 static unsigned
574 dri2_renderer_query_integer(struct dri2_egl_display *dri2_dpy, int param)
575 {
576 const __DRI2rendererQueryExtension *rendererQuery = dri2_dpy->rendererQuery;
577 unsigned int value = 0;
578
579 if (!rendererQuery ||
580 rendererQuery->queryInteger(dri2_dpy->dri_screen, param, &value) == -1)
581 return 0;
582
583 return value;
584 }
585
586 void
587 dri2_setup_screen(_EGLDisplay *disp)
588 {
589 struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
590 unsigned int api_mask;
591
592 if (dri2_dpy->image_driver) {
593 api_mask = dri2_dpy->image_driver->getAPIMask(dri2_dpy->dri_screen);
594 } else if (dri2_dpy->dri2) {
595 api_mask = dri2_dpy->dri2->getAPIMask(dri2_dpy->dri_screen);
596 } else {
597 assert(dri2_dpy->swrast);
598 api_mask = 1 << __DRI_API_OPENGL |
599 1 << __DRI_API_GLES |
600 1 << __DRI_API_GLES2 |
601 1 << __DRI_API_GLES3;
602 }
603
604 disp->ClientAPIs = 0;
605 if ((api_mask & (1 <<__DRI_API_OPENGL)) && _eglIsApiValid(EGL_OPENGL_API))
606 disp->ClientAPIs |= EGL_OPENGL_BIT;
607 if ((api_mask & (1 << __DRI_API_GLES)) && _eglIsApiValid(EGL_OPENGL_ES_API))
608 disp->ClientAPIs |= EGL_OPENGL_ES_BIT;
609 if ((api_mask & (1 << __DRI_API_GLES2)) && _eglIsApiValid(EGL_OPENGL_ES_API))
610 disp->ClientAPIs |= EGL_OPENGL_ES2_BIT;
611 if ((api_mask & (1 << __DRI_API_GLES3)) && _eglIsApiValid(EGL_OPENGL_ES_API))
612 disp->ClientAPIs |= EGL_OPENGL_ES3_BIT_KHR;
613
614 assert(dri2_dpy->image_driver || dri2_dpy->dri2 || dri2_dpy->swrast);
615 disp->Extensions.KHR_no_config_context = EGL_TRUE;
616 disp->Extensions.KHR_surfaceless_context = EGL_TRUE;
617
618 if (dri2_renderer_query_integer(dri2_dpy,
619 __DRI2_RENDERER_HAS_FRAMEBUFFER_SRGB))
620 disp->Extensions.KHR_gl_colorspace = EGL_TRUE;
621
622 if (dri2_dpy->image_driver ||
623 (dri2_dpy->dri2 && dri2_dpy->dri2->base.version >= 3) ||
624 (dri2_dpy->swrast && dri2_dpy->swrast->base.version >= 3)) {
625 disp->Extensions.KHR_create_context = EGL_TRUE;
626
627 if (dri2_dpy->robustness)
628 disp->Extensions.EXT_create_context_robustness = EGL_TRUE;
629 }
630
631 if (dri2_dpy->fence) {
632 disp->Extensions.KHR_fence_sync = EGL_TRUE;
633 disp->Extensions.KHR_wait_sync = EGL_TRUE;
634 if (dri2_dpy->fence->get_fence_from_cl_event)
635 disp->Extensions.KHR_cl_event2 = EGL_TRUE;
636 }
637
638 disp->Extensions.KHR_reusable_sync = EGL_TRUE;
639
640 if (dri2_dpy->image) {
641 if (dri2_dpy->image->base.version >= 10 &&
642 dri2_dpy->image->getCapabilities != NULL) {
643 int capabilities;
644
645 capabilities = dri2_dpy->image->getCapabilities(dri2_dpy->dri_screen);
646 disp->Extensions.MESA_drm_image = (capabilities & __DRI_IMAGE_CAP_GLOBAL_NAMES) != 0;
647
648 if (dri2_dpy->image->base.version >= 11)
649 disp->Extensions.MESA_image_dma_buf_export = EGL_TRUE;
650 } else {
651 disp->Extensions.MESA_drm_image = EGL_TRUE;
652 if (dri2_dpy->image->base.version >= 11)
653 disp->Extensions.MESA_image_dma_buf_export = EGL_TRUE;
654 }
655
656 disp->Extensions.KHR_image_base = EGL_TRUE;
657 disp->Extensions.KHR_gl_renderbuffer_image = EGL_TRUE;
658 if (dri2_dpy->image->base.version >= 5 &&
659 dri2_dpy->image->createImageFromTexture) {
660 disp->Extensions.KHR_gl_texture_2D_image = EGL_TRUE;
661 disp->Extensions.KHR_gl_texture_cubemap_image = EGL_TRUE;
662 }
663 if (dri2_renderer_query_integer(dri2_dpy,
664 __DRI2_RENDERER_HAS_TEXTURE_3D))
665 disp->Extensions.KHR_gl_texture_3D_image = EGL_TRUE;
666 #ifdef HAVE_LIBDRM
667 if (dri2_dpy->image->base.version >= 8 &&
668 dri2_dpy->image->createImageFromDmaBufs) {
669 disp->Extensions.EXT_image_dma_buf_import = EGL_TRUE;
670 }
671 #endif
672 }
673 }
674
675 /* All platforms but DRM call this function to create the screen, query the
676 * dri extensions, setup the vtables and populate the driver_configs.
677 * DRM inherits all that information from its display - GBM.
678 */
679 EGLBoolean
680 dri2_create_screen(_EGLDisplay *disp)
681 {
682 const __DRIextension **extensions;
683 struct dri2_egl_display *dri2_dpy;
684 unsigned i;
685
686 dri2_dpy = disp->DriverData;
687
688 if (dri2_dpy->image_driver) {
689 dri2_dpy->dri_screen =
690 dri2_dpy->image_driver->createNewScreen2(0, dri2_dpy->fd,
691 dri2_dpy->extensions,
692 dri2_dpy->driver_extensions,
693 &dri2_dpy->driver_configs,
694 disp);
695 } else if (dri2_dpy->dri2) {
696 if (dri2_dpy->dri2->base.version >= 4) {
697 dri2_dpy->dri_screen =
698 dri2_dpy->dri2->createNewScreen2(0, dri2_dpy->fd,
699 dri2_dpy->extensions,
700 dri2_dpy->driver_extensions,
701 &dri2_dpy->driver_configs, disp);
702 } else {
703 dri2_dpy->dri_screen =
704 dri2_dpy->dri2->createNewScreen(0, dri2_dpy->fd,
705 dri2_dpy->extensions,
706 &dri2_dpy->driver_configs, disp);
707 }
708 } else {
709 assert(dri2_dpy->swrast);
710 if (dri2_dpy->swrast->base.version >= 4) {
711 dri2_dpy->dri_screen =
712 dri2_dpy->swrast->createNewScreen2(0, dri2_dpy->extensions,
713 dri2_dpy->driver_extensions,
714 &dri2_dpy->driver_configs, disp);
715 } else {
716 dri2_dpy->dri_screen =
717 dri2_dpy->swrast->createNewScreen(0, dri2_dpy->extensions,
718 &dri2_dpy->driver_configs, disp);
719 }
720 }
721
722 if (dri2_dpy->dri_screen == NULL) {
723 _eglLog(_EGL_WARNING, "DRI2: failed to create dri screen");
724 return EGL_FALSE;
725 }
726
727 dri2_dpy->own_dri_screen = 1;
728
729 extensions = dri2_dpy->core->getExtensions(dri2_dpy->dri_screen);
730
731 if (dri2_dpy->image_driver || dri2_dpy->dri2) {
732 if (!dri2_bind_extensions(dri2_dpy, dri2_core_extensions, extensions))
733 goto cleanup_dri_screen;
734 } else {
735 assert(dri2_dpy->swrast);
736 if (!dri2_bind_extensions(dri2_dpy, swrast_core_extensions, extensions))
737 goto cleanup_dri_screen;
738 }
739
740 for (i = 0; extensions[i]; i++) {
741 if (strcmp(extensions[i]->name, __DRI2_ROBUSTNESS) == 0) {
742 dri2_dpy->robustness = (__DRIrobustnessExtension *) extensions[i];
743 }
744 if (strcmp(extensions[i]->name, __DRI2_CONFIG_QUERY) == 0) {
745 dri2_dpy->config = (__DRI2configQueryExtension *) extensions[i];
746 }
747 if (strcmp(extensions[i]->name, __DRI2_FENCE) == 0) {
748 dri2_dpy->fence = (__DRI2fenceExtension *) extensions[i];
749 }
750 if (strcmp(extensions[i]->name, __DRI2_RENDERER_QUERY) == 0) {
751 dri2_dpy->rendererQuery = (__DRI2rendererQueryExtension *) extensions[i];
752 }
753 if (strcmp(extensions[i]->name, __DRI2_INTEROP) == 0)
754 dri2_dpy->interop = (__DRI2interopExtension *) extensions[i];
755 }
756
757 dri2_setup_screen(disp);
758
759 return EGL_TRUE;
760
761 cleanup_dri_screen:
762 dri2_dpy->core->destroyScreen(dri2_dpy->dri_screen);
763
764 return EGL_FALSE;
765 }
766
767 /**
768 * Called via eglInitialize(), GLX_drv->API.Initialize().
769 *
770 * This must be guaranteed to be called exactly once, even if eglInitialize is
771 * called many times (without a eglTerminate in between).
772 */
773 static EGLBoolean
774 dri2_initialize(_EGLDriver *drv, _EGLDisplay *disp)
775 {
776 EGLBoolean ret = EGL_FALSE;
777 struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
778
779 /* In the case where the application calls eglMakeCurrent(context1),
780 * eglTerminate, then eglInitialize again (without a call to eglReleaseThread
781 * or eglMakeCurrent(NULL) before that), dri2_dpy structure is still
782 * initialized, as we need it to be able to free context1 correctly.
783 *
784 * It would probably be safest to forcibly release the display with
785 * dri2_display_release, to make sure the display is reinitialized correctly.
786 * However, the EGL spec states that we need to keep a reference to the
787 * current context (so we cannot call dri2_make_current(NULL)), and therefore
788 * we would leak context1 as we would be missing the old display connection
789 * to free it up correctly.
790 */
791 if (dri2_dpy) {
792 dri2_dpy->ref_count++;
793 return EGL_TRUE;
794 }
795
796 /* not until swrast_dri is supported */
797 if (disp->Options.UseFallback)
798 return EGL_FALSE;
799
800 /* Nothing to initialize for a test only display */
801 if (disp->Options.TestOnly)
802 return EGL_TRUE;
803
804 switch (disp->Platform) {
805 #ifdef HAVE_SURFACELESS_PLATFORM
806 case _EGL_PLATFORM_SURFACELESS:
807 ret = dri2_initialize_surfaceless(drv, disp);
808 break;
809 #endif
810 #ifdef HAVE_X11_PLATFORM
811 case _EGL_PLATFORM_X11:
812 ret = dri2_initialize_x11(drv, disp);
813 break;
814 #endif
815 #ifdef HAVE_DRM_PLATFORM
816 case _EGL_PLATFORM_DRM:
817 ret = dri2_initialize_drm(drv, disp);
818 break;
819 #endif
820 #ifdef HAVE_WAYLAND_PLATFORM
821 case _EGL_PLATFORM_WAYLAND:
822 ret = dri2_initialize_wayland(drv, disp);
823 break;
824 #endif
825 #ifdef HAVE_ANDROID_PLATFORM
826 case _EGL_PLATFORM_ANDROID:
827 ret = dri2_initialize_android(drv, disp);
828 break;
829 #endif
830 default:
831 _eglLog(_EGL_WARNING, "No EGL platform enabled.");
832 return EGL_FALSE;
833 }
834
835 if (ret) {
836 dri2_dpy = dri2_egl_display(disp);
837
838 if (!dri2_dpy) {
839 return EGL_FALSE;
840 }
841
842 dri2_dpy->ref_count++;
843 }
844
845 return ret;
846 }
847
848 /**
849 * Decrement display reference count, and free up display if necessary.
850 */
851 static void
852 dri2_display_release(_EGLDisplay *disp) {
853 struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
854 unsigned i;
855
856 assert(dri2_dpy->ref_count > 0);
857 dri2_dpy->ref_count--;
858
859 if (dri2_dpy->ref_count > 0)
860 return;
861
862 _eglCleanupDisplay(disp);
863
864 if (dri2_dpy->own_dri_screen)
865 dri2_dpy->core->destroyScreen(dri2_dpy->dri_screen);
866 if (dri2_dpy->fd >= 0)
867 close(dri2_dpy->fd);
868 if (dri2_dpy->driver)
869 dlclose(dri2_dpy->driver);
870 free(dri2_dpy->driver_name);
871
872 #ifdef HAVE_WAYLAND_PLATFORM
873 free(dri2_dpy->device_name);
874 #endif
875
876 switch (disp->Platform) {
877 #ifdef HAVE_X11_PLATFORM
878 case _EGL_PLATFORM_X11:
879 if (dri2_dpy->own_device) {
880 xcb_disconnect(dri2_dpy->conn);
881 }
882 break;
883 #endif
884 #ifdef HAVE_DRM_PLATFORM
885 case _EGL_PLATFORM_DRM:
886 if (dri2_dpy->own_device) {
887 gbm_device_destroy(&dri2_dpy->gbm_dri->base.base);
888 }
889 break;
890 #endif
891 #ifdef HAVE_WAYLAND_PLATFORM
892 case _EGL_PLATFORM_WAYLAND:
893 if (dri2_dpy->wl_drm)
894 wl_drm_destroy(dri2_dpy->wl_drm);
895 if (dri2_dpy->wl_shm)
896 wl_shm_destroy(dri2_dpy->wl_shm);
897 wl_registry_destroy(dri2_dpy->wl_registry);
898 wl_event_queue_destroy(dri2_dpy->wl_queue);
899 if (dri2_dpy->own_device) {
900 wl_display_disconnect(dri2_dpy->wl_dpy);
901 }
902 break;
903 #endif
904 default:
905 break;
906 }
907
908 /* The drm platform does not create the screen/driver_configs but reuses
909 * the ones from the gbm device. As such the gbm itself is responsible
910 * for the cleanup.
911 */
912 if (disp->Platform != _EGL_PLATFORM_DRM) {
913 for (i = 0; dri2_dpy->driver_configs[i]; i++)
914 free((__DRIconfig *) dri2_dpy->driver_configs[i]);
915 free(dri2_dpy->driver_configs);
916 }
917 free(dri2_dpy);
918 disp->DriverData = NULL;
919 }
920
921 /**
922 * Called via eglTerminate(), drv->API.Terminate().
923 *
924 * This must be guaranteed to be called exactly once, even if eglTerminate is
925 * called many times (without a eglInitialize in between).
926 */
927 static EGLBoolean
928 dri2_terminate(_EGLDriver *drv, _EGLDisplay *disp)
929 {
930 /* Release all non-current Context/Surfaces. */
931 _eglReleaseDisplayResources(drv, disp);
932
933 dri2_display_release(disp);
934
935 return EGL_TRUE;
936 }
937
938 /**
939 * Set the error code after a call to
940 * dri2_egl_display::dri2::createContextAttribs.
941 */
942 static void
943 dri2_create_context_attribs_error(int dri_error)
944 {
945 EGLint egl_error;
946
947 switch (dri_error) {
948 case __DRI_CTX_ERROR_SUCCESS:
949 return;
950
951 case __DRI_CTX_ERROR_NO_MEMORY:
952 egl_error = EGL_BAD_ALLOC;
953 break;
954
955 /* From the EGL_KHR_create_context spec, section "Errors":
956 *
957 * * If <config> does not support a client API context compatible
958 * with the requested API major and minor version, [...] context flags,
959 * and context reset notification behavior (for client API types where
960 * these attributes are supported), then an EGL_BAD_MATCH error is
961 * generated.
962 *
963 * * If an OpenGL ES context is requested and the values for
964 * attributes EGL_CONTEXT_MAJOR_VERSION_KHR and
965 * EGL_CONTEXT_MINOR_VERSION_KHR specify an OpenGL ES version that
966 * is not defined, than an EGL_BAD_MATCH error is generated.
967 *
968 * * If an OpenGL context is requested, the requested version is
969 * greater than 3.2, and the value for attribute
970 * EGL_CONTEXT_OPENGL_PROFILE_MASK_KHR has no bits set; has any
971 * bits set other than EGL_CONTEXT_OPENGL_CORE_PROFILE_BIT_KHR and
972 * EGL_CONTEXT_OPENGL_COMPATIBILITY_PROFILE_BIT_KHR; has more than
973 * one of these bits set; or if the implementation does not support
974 * the requested profile, then an EGL_BAD_MATCH error is generated.
975 */
976 case __DRI_CTX_ERROR_BAD_API:
977 case __DRI_CTX_ERROR_BAD_VERSION:
978 case __DRI_CTX_ERROR_BAD_FLAG:
979 egl_error = EGL_BAD_MATCH;
980 break;
981
982 /* From the EGL_KHR_create_context spec, section "Errors":
983 *
984 * * If an attribute name or attribute value in <attrib_list> is not
985 * recognized (including unrecognized bits in bitmask attributes),
986 * then an EGL_BAD_ATTRIBUTE error is generated."
987 */
988 case __DRI_CTX_ERROR_UNKNOWN_ATTRIBUTE:
989 case __DRI_CTX_ERROR_UNKNOWN_FLAG:
990 egl_error = EGL_BAD_ATTRIBUTE;
991 break;
992
993 default:
994 assert(0);
995 egl_error = EGL_BAD_MATCH;
996 break;
997 }
998
999 _eglError(egl_error, "dri2_create_context");
1000 }
1001
1002 static bool
1003 dri2_fill_context_attribs(struct dri2_egl_context *dri2_ctx,
1004 struct dri2_egl_display *dri2_dpy,
1005 uint32_t *ctx_attribs,
1006 unsigned *num_attribs)
1007 {
1008 int pos = 0;
1009
1010 assert(*num_attribs >= 8);
1011
1012 ctx_attribs[pos++] = __DRI_CTX_ATTRIB_MAJOR_VERSION;
1013 ctx_attribs[pos++] = dri2_ctx->base.ClientMajorVersion;
1014 ctx_attribs[pos++] = __DRI_CTX_ATTRIB_MINOR_VERSION;
1015 ctx_attribs[pos++] = dri2_ctx->base.ClientMinorVersion;
1016
1017 if (dri2_ctx->base.Flags != 0) {
1018 /* If the implementation doesn't support the __DRI2_ROBUSTNESS
1019 * extension, don't even try to send it the robust-access flag.
1020 * It may explode. Instead, generate the required EGL error here.
1021 */
1022 if ((dri2_ctx->base.Flags & EGL_CONTEXT_OPENGL_ROBUST_ACCESS_BIT_KHR) != 0
1023 && !dri2_dpy->robustness) {
1024 _eglError(EGL_BAD_MATCH, "eglCreateContext");
1025 return false;
1026 }
1027
1028 ctx_attribs[pos++] = __DRI_CTX_ATTRIB_FLAGS;
1029 ctx_attribs[pos++] = dri2_ctx->base.Flags;
1030 }
1031
1032 if (dri2_ctx->base.ResetNotificationStrategy != EGL_NO_RESET_NOTIFICATION_KHR) {
1033 /* If the implementation doesn't support the __DRI2_ROBUSTNESS
1034 * extension, don't even try to send it a reset strategy. It may
1035 * explode. Instead, generate the required EGL error here.
1036 */
1037 if (!dri2_dpy->robustness) {
1038 _eglError(EGL_BAD_CONFIG, "eglCreateContext");
1039 return false;
1040 }
1041
1042 ctx_attribs[pos++] = __DRI_CTX_ATTRIB_RESET_STRATEGY;
1043 ctx_attribs[pos++] = __DRI_CTX_RESET_LOSE_CONTEXT;
1044 }
1045
1046 *num_attribs = pos;
1047
1048 return true;
1049 }
1050
1051 /**
1052 * Called via eglCreateContext(), drv->API.CreateContext().
1053 */
1054 static _EGLContext *
1055 dri2_create_context(_EGLDriver *drv, _EGLDisplay *disp, _EGLConfig *conf,
1056 _EGLContext *share_list, const EGLint *attrib_list)
1057 {
1058 struct dri2_egl_context *dri2_ctx;
1059 struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
1060 struct dri2_egl_context *dri2_ctx_shared = dri2_egl_context(share_list);
1061 __DRIcontext *shared =
1062 dri2_ctx_shared ? dri2_ctx_shared->dri_context : NULL;
1063 struct dri2_egl_config *dri2_config = dri2_egl_config(conf);
1064 const __DRIconfig *dri_config;
1065 int api;
1066
1067 (void) drv;
1068
1069 dri2_ctx = malloc(sizeof *dri2_ctx);
1070 if (!dri2_ctx) {
1071 _eglError(EGL_BAD_ALLOC, "eglCreateContext");
1072 return NULL;
1073 }
1074
1075 if (!_eglInitContext(&dri2_ctx->base, disp, conf, attrib_list))
1076 goto cleanup;
1077
1078 switch (dri2_ctx->base.ClientAPI) {
1079 case EGL_OPENGL_ES_API:
1080 switch (dri2_ctx->base.ClientMajorVersion) {
1081 case 1:
1082 api = __DRI_API_GLES;
1083 break;
1084 case 2:
1085 api = __DRI_API_GLES2;
1086 break;
1087 case 3:
1088 api = __DRI_API_GLES3;
1089 break;
1090 default:
1091 _eglError(EGL_BAD_PARAMETER, "eglCreateContext");
1092 free(dri2_ctx);
1093 return NULL;
1094 }
1095 break;
1096 case EGL_OPENGL_API:
1097 if ((dri2_ctx->base.ClientMajorVersion >= 4
1098 || (dri2_ctx->base.ClientMajorVersion == 3
1099 && dri2_ctx->base.ClientMinorVersion >= 2))
1100 && dri2_ctx->base.Profile == EGL_CONTEXT_OPENGL_CORE_PROFILE_BIT_KHR)
1101 api = __DRI_API_OPENGL_CORE;
1102 else
1103 api = __DRI_API_OPENGL;
1104 break;
1105 default:
1106 _eglError(EGL_BAD_PARAMETER, "eglCreateContext");
1107 free(dri2_ctx);
1108 return NULL;
1109 }
1110
1111 if (conf != NULL) {
1112 /* The config chosen here isn't necessarily
1113 * used for surfaces later.
1114 * A pixmap surface will use the single config.
1115 * This opportunity depends on disabling the
1116 * doubleBufferMode check in
1117 * src/mesa/main/context.c:check_compatible()
1118 */
1119 if (dri2_config->dri_double_config[0])
1120 dri_config = dri2_config->dri_double_config[0];
1121 else
1122 dri_config = dri2_config->dri_single_config[0];
1123
1124 /* EGL_WINDOW_BIT is set only when there is a dri_double_config. This
1125 * makes sure the back buffer will always be used.
1126 */
1127 if (conf->SurfaceType & EGL_WINDOW_BIT)
1128 dri2_ctx->base.WindowRenderBuffer = EGL_BACK_BUFFER;
1129 }
1130 else
1131 dri_config = NULL;
1132
1133 if (dri2_dpy->image_driver) {
1134 unsigned error;
1135 unsigned num_attribs = 8;
1136 uint32_t ctx_attribs[8];
1137
1138 if (!dri2_fill_context_attribs(dri2_ctx, dri2_dpy, ctx_attribs,
1139 &num_attribs))
1140 goto cleanup;
1141
1142 dri2_ctx->dri_context =
1143 dri2_dpy->image_driver->createContextAttribs(dri2_dpy->dri_screen,
1144 api,
1145 dri_config,
1146 shared,
1147 num_attribs / 2,
1148 ctx_attribs,
1149 & error,
1150 dri2_ctx);
1151 dri2_create_context_attribs_error(error);
1152 } else if (dri2_dpy->dri2) {
1153 if (dri2_dpy->dri2->base.version >= 3) {
1154 unsigned error;
1155 unsigned num_attribs = 8;
1156 uint32_t ctx_attribs[8];
1157
1158 if (!dri2_fill_context_attribs(dri2_ctx, dri2_dpy, ctx_attribs,
1159 &num_attribs))
1160 goto cleanup;
1161
1162 dri2_ctx->dri_context =
1163 dri2_dpy->dri2->createContextAttribs(dri2_dpy->dri_screen,
1164 api,
1165 dri_config,
1166 shared,
1167 num_attribs / 2,
1168 ctx_attribs,
1169 & error,
1170 dri2_ctx);
1171 dri2_create_context_attribs_error(error);
1172 } else {
1173 dri2_ctx->dri_context =
1174 dri2_dpy->dri2->createNewContextForAPI(dri2_dpy->dri_screen,
1175 api,
1176 dri_config,
1177 shared,
1178 dri2_ctx);
1179 }
1180 } else {
1181 assert(dri2_dpy->swrast);
1182 if (dri2_dpy->swrast->base.version >= 3) {
1183 unsigned error;
1184 unsigned num_attribs = 8;
1185 uint32_t ctx_attribs[8];
1186
1187 if (!dri2_fill_context_attribs(dri2_ctx, dri2_dpy, ctx_attribs,
1188 &num_attribs))
1189 goto cleanup;
1190
1191 dri2_ctx->dri_context =
1192 dri2_dpy->swrast->createContextAttribs(dri2_dpy->dri_screen,
1193 api,
1194 dri_config,
1195 shared,
1196 num_attribs / 2,
1197 ctx_attribs,
1198 & error,
1199 dri2_ctx);
1200 dri2_create_context_attribs_error(error);
1201 } else {
1202 dri2_ctx->dri_context =
1203 dri2_dpy->swrast->createNewContextForAPI(dri2_dpy->dri_screen,
1204 api,
1205 dri_config,
1206 shared,
1207 dri2_ctx);
1208 }
1209 }
1210
1211 if (!dri2_ctx->dri_context)
1212 goto cleanup;
1213
1214 return &dri2_ctx->base;
1215
1216 cleanup:
1217 free(dri2_ctx);
1218 return NULL;
1219 }
1220
1221 /**
1222 * Called via eglDestroyContext(), drv->API.DestroyContext().
1223 */
1224 static EGLBoolean
1225 dri2_destroy_context(_EGLDriver *drv, _EGLDisplay *disp, _EGLContext *ctx)
1226 {
1227 struct dri2_egl_context *dri2_ctx = dri2_egl_context(ctx);
1228 struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
1229
1230 if (_eglPutContext(ctx)) {
1231 dri2_dpy->core->destroyContext(dri2_ctx->dri_context);
1232 free(dri2_ctx);
1233 }
1234
1235 return EGL_TRUE;
1236 }
1237
1238 /**
1239 * Called via eglMakeCurrent(), drv->API.MakeCurrent().
1240 */
1241 static EGLBoolean
1242 dri2_make_current(_EGLDriver *drv, _EGLDisplay *disp, _EGLSurface *dsurf,
1243 _EGLSurface *rsurf, _EGLContext *ctx)
1244 {
1245 struct dri2_egl_driver *dri2_drv = dri2_egl_driver(drv);
1246 struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
1247 struct dri2_egl_context *dri2_ctx = dri2_egl_context(ctx);
1248 _EGLContext *old_ctx;
1249 _EGLSurface *old_dsurf, *old_rsurf;
1250 _EGLSurface *tmp_dsurf, *tmp_rsurf;
1251 __DRIdrawable *ddraw, *rdraw;
1252 __DRIcontext *cctx;
1253 EGLBoolean unbind;
1254
1255 if (!dri2_dpy)
1256 return _eglError(EGL_NOT_INITIALIZED, "eglMakeCurrent");
1257
1258 /* make new bindings */
1259 if (!_eglBindContext(ctx, dsurf, rsurf, &old_ctx, &old_dsurf, &old_rsurf)) {
1260 /* _eglBindContext already sets the EGL error (in _eglCheckMakeCurrent) */
1261 return EGL_FALSE;
1262 }
1263
1264 /* flush before context switch */
1265 if (old_ctx && dri2_drv->glFlush)
1266 dri2_drv->glFlush();
1267
1268 ddraw = (dsurf) ? dri2_dpy->vtbl->get_dri_drawable(dsurf) : NULL;
1269 rdraw = (rsurf) ? dri2_dpy->vtbl->get_dri_drawable(rsurf) : NULL;
1270 cctx = (dri2_ctx) ? dri2_ctx->dri_context : NULL;
1271
1272 if (old_ctx) {
1273 __DRIcontext *old_cctx = dri2_egl_context(old_ctx)->dri_context;
1274 dri2_dpy->core->unbindContext(old_cctx);
1275 }
1276
1277 unbind = (cctx == NULL && ddraw == NULL && rdraw == NULL);
1278
1279 if (unbind || dri2_dpy->core->bindContext(cctx, ddraw, rdraw)) {
1280 if (old_dsurf)
1281 drv->API.DestroySurface(drv, disp, old_dsurf);
1282 if (old_rsurf)
1283 drv->API.DestroySurface(drv, disp, old_rsurf);
1284
1285 if (!unbind)
1286 dri2_dpy->ref_count++;
1287 if (old_ctx) {
1288 EGLDisplay old_disp = _eglGetDisplayHandle(old_ctx->Resource.Display);
1289 drv->API.DestroyContext(drv, disp, old_ctx);
1290 dri2_display_release(old_disp);
1291 }
1292
1293 return EGL_TRUE;
1294 } else {
1295 /* undo the previous _eglBindContext */
1296 _eglBindContext(old_ctx, old_dsurf, old_rsurf, &ctx, &tmp_dsurf, &tmp_rsurf);
1297 assert(&dri2_ctx->base == ctx &&
1298 tmp_dsurf == dsurf &&
1299 tmp_rsurf == rsurf);
1300
1301 _eglPutSurface(dsurf);
1302 _eglPutSurface(rsurf);
1303 _eglPutContext(ctx);
1304
1305 _eglPutSurface(old_dsurf);
1306 _eglPutSurface(old_rsurf);
1307 _eglPutContext(old_ctx);
1308
1309 /* dri2_dpy->core->bindContext failed. We cannot tell for sure why, but
1310 * setting the error to EGL_BAD_MATCH is surely better than leaving it
1311 * as EGL_SUCCESS.
1312 */
1313 return _eglError(EGL_BAD_MATCH, "eglMakeCurrent");
1314 }
1315 }
1316
1317 __DRIdrawable *
1318 dri2_surface_get_dri_drawable(_EGLSurface *surf)
1319 {
1320 struct dri2_egl_surface *dri2_surf = dri2_egl_surface(surf);
1321
1322 return dri2_surf->dri_drawable;
1323 }
1324
1325 /*
1326 * Called from eglGetProcAddress() via drv->API.GetProcAddress().
1327 */
1328 static _EGLProc
1329 dri2_get_proc_address(_EGLDriver *drv, const char *procname)
1330 {
1331 struct dri2_egl_driver *dri2_drv = dri2_egl_driver(drv);
1332
1333 return dri2_drv->get_proc_address(procname);
1334 }
1335
1336 static _EGLSurface*
1337 dri2_create_window_surface(_EGLDriver *drv, _EGLDisplay *dpy,
1338 _EGLConfig *conf, void *native_window,
1339 const EGLint *attrib_list)
1340 {
1341 struct dri2_egl_display *dri2_dpy = dri2_egl_display(dpy);
1342 return dri2_dpy->vtbl->create_window_surface(drv, dpy, conf, native_window,
1343 attrib_list);
1344 }
1345
1346 static _EGLSurface*
1347 dri2_create_pixmap_surface(_EGLDriver *drv, _EGLDisplay *dpy,
1348 _EGLConfig *conf, void *native_pixmap,
1349 const EGLint *attrib_list)
1350 {
1351 struct dri2_egl_display *dri2_dpy = dri2_egl_display(dpy);
1352 return dri2_dpy->vtbl->create_pixmap_surface(drv, dpy, conf, native_pixmap,
1353 attrib_list);
1354 }
1355
1356 static _EGLSurface*
1357 dri2_create_pbuffer_surface(_EGLDriver *drv, _EGLDisplay *dpy,
1358 _EGLConfig *conf, const EGLint *attrib_list)
1359 {
1360 struct dri2_egl_display *dri2_dpy = dri2_egl_display(dpy);
1361 return dri2_dpy->vtbl->create_pbuffer_surface(drv, dpy, conf, attrib_list);
1362 }
1363
1364 static EGLBoolean
1365 dri2_destroy_surface(_EGLDriver *drv, _EGLDisplay *dpy, _EGLSurface *surf)
1366 {
1367 struct dri2_egl_display *dri2_dpy = dri2_egl_display(dpy);
1368 return dri2_dpy->vtbl->destroy_surface(drv, dpy, surf);
1369 }
1370
1371 static EGLBoolean
1372 dri2_swap_interval(_EGLDriver *drv, _EGLDisplay *dpy, _EGLSurface *surf,
1373 EGLint interval)
1374 {
1375 struct dri2_egl_display *dri2_dpy = dri2_egl_display(dpy);
1376 return dri2_dpy->vtbl->swap_interval(drv, dpy, surf, interval);
1377 }
1378
1379 /**
1380 * Asks the client API to flush any rendering to the drawable so that we can
1381 * do our swapbuffers.
1382 */
1383 void
1384 dri2_flush_drawable_for_swapbuffers(_EGLDisplay *disp, _EGLSurface *draw)
1385 {
1386 struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
1387 __DRIdrawable *dri_drawable = dri2_dpy->vtbl->get_dri_drawable(draw);
1388
1389 if (dri2_dpy->flush) {
1390 if (dri2_dpy->flush->base.version >= 4) {
1391 /* We know there's a current context because:
1392 *
1393 * "If surface is not bound to the calling thread’s current
1394 * context, an EGL_BAD_SURFACE error is generated."
1395 */
1396 _EGLContext *ctx = _eglGetCurrentContext();
1397 struct dri2_egl_context *dri2_ctx = dri2_egl_context(ctx);
1398
1399 /* From the EGL 1.4 spec (page 52):
1400 *
1401 * "The contents of ancillary buffers are always undefined
1402 * after calling eglSwapBuffers."
1403 */
1404 dri2_dpy->flush->flush_with_flags(dri2_ctx->dri_context,
1405 dri_drawable,
1406 __DRI2_FLUSH_DRAWABLE |
1407 __DRI2_FLUSH_INVALIDATE_ANCILLARY,
1408 __DRI2_THROTTLE_SWAPBUFFER);
1409 } else {
1410 dri2_dpy->flush->flush(dri_drawable);
1411 }
1412 }
1413 }
1414
1415 static EGLBoolean
1416 dri2_swap_buffers(_EGLDriver *drv, _EGLDisplay *dpy, _EGLSurface *surf)
1417 {
1418 struct dri2_egl_display *dri2_dpy = dri2_egl_display(dpy);
1419 return dri2_dpy->vtbl->swap_buffers(drv, dpy, surf);
1420 }
1421
1422 static EGLBoolean
1423 dri2_swap_buffers_with_damage(_EGLDriver *drv, _EGLDisplay *dpy,
1424 _EGLSurface *surf,
1425 const EGLint *rects, EGLint n_rects)
1426 {
1427 struct dri2_egl_display *dri2_dpy = dri2_egl_display(dpy);
1428 return dri2_dpy->vtbl->swap_buffers_with_damage(drv, dpy, surf,
1429 rects, n_rects);
1430 }
1431
1432 static EGLBoolean
1433 dri2_swap_buffers_region(_EGLDriver *drv, _EGLDisplay *dpy, _EGLSurface *surf,
1434 EGLint numRects, const EGLint *rects)
1435 {
1436 struct dri2_egl_display *dri2_dpy = dri2_egl_display(dpy);
1437 return dri2_dpy->vtbl->swap_buffers_region(drv, dpy, surf, numRects, rects);
1438 }
1439
1440 static EGLBoolean
1441 dri2_post_sub_buffer(_EGLDriver *drv, _EGLDisplay *dpy, _EGLSurface *surf,
1442 EGLint x, EGLint y, EGLint width, EGLint height)
1443 {
1444 struct dri2_egl_display *dri2_dpy = dri2_egl_display(dpy);
1445 return dri2_dpy->vtbl->post_sub_buffer(drv, dpy, surf, x, y, width, height);
1446 }
1447
1448 static EGLBoolean
1449 dri2_copy_buffers(_EGLDriver *drv, _EGLDisplay *dpy, _EGLSurface *surf,
1450 void *native_pixmap_target)
1451 {
1452 struct dri2_egl_display *dri2_dpy = dri2_egl_display(dpy);
1453 return dri2_dpy->vtbl->copy_buffers(drv, dpy, surf, native_pixmap_target);
1454 }
1455
1456 static EGLint
1457 dri2_query_buffer_age(_EGLDriver *drv, _EGLDisplay *dpy, _EGLSurface *surf)
1458 {
1459 struct dri2_egl_display *dri2_dpy = dri2_egl_display(dpy);
1460 return dri2_dpy->vtbl->query_buffer_age(drv, dpy, surf);
1461 }
1462
1463 static EGLBoolean
1464 dri2_wait_client(_EGLDriver *drv, _EGLDisplay *disp, _EGLContext *ctx)
1465 {
1466 struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
1467 _EGLSurface *surf = ctx->DrawSurface;
1468 __DRIdrawable *dri_drawable = dri2_dpy->vtbl->get_dri_drawable(surf);
1469
1470 (void) drv;
1471
1472 /* FIXME: If EGL allows frontbuffer rendering for window surfaces,
1473 * we need to copy fake to real here.*/
1474
1475 if (dri2_dpy->flush != NULL)
1476 dri2_dpy->flush->flush(dri_drawable);
1477
1478 return EGL_TRUE;
1479 }
1480
1481 static EGLBoolean
1482 dri2_wait_native(_EGLDriver *drv, _EGLDisplay *disp, EGLint engine)
1483 {
1484 (void) drv;
1485 (void) disp;
1486
1487 if (engine != EGL_CORE_NATIVE_ENGINE)
1488 return _eglError(EGL_BAD_PARAMETER, "eglWaitNative");
1489 /* glXWaitX(); */
1490
1491 return EGL_TRUE;
1492 }
1493
1494 static EGLBoolean
1495 dri2_bind_tex_image(_EGLDriver *drv,
1496 _EGLDisplay *disp, _EGLSurface *surf, EGLint buffer)
1497 {
1498 struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
1499 struct dri2_egl_context *dri2_ctx;
1500 _EGLContext *ctx;
1501 GLint format, target;
1502 __DRIdrawable *dri_drawable = dri2_dpy->vtbl->get_dri_drawable(surf);
1503
1504 ctx = _eglGetCurrentContext();
1505 dri2_ctx = dri2_egl_context(ctx);
1506
1507 if (!_eglBindTexImage(drv, disp, surf, buffer))
1508 return EGL_FALSE;
1509
1510 switch (surf->TextureFormat) {
1511 case EGL_TEXTURE_RGB:
1512 format = __DRI_TEXTURE_FORMAT_RGB;
1513 break;
1514 case EGL_TEXTURE_RGBA:
1515 format = __DRI_TEXTURE_FORMAT_RGBA;
1516 break;
1517 default:
1518 assert(!"Unexpected texture format in dri2_bind_tex_image()");
1519 format = __DRI_TEXTURE_FORMAT_RGBA;
1520 }
1521
1522 switch (surf->TextureTarget) {
1523 case EGL_TEXTURE_2D:
1524 target = GL_TEXTURE_2D;
1525 break;
1526 default:
1527 target = GL_TEXTURE_2D;
1528 assert(!"Unexpected texture target in dri2_bind_tex_image()");
1529 }
1530
1531 (*dri2_dpy->tex_buffer->setTexBuffer2)(dri2_ctx->dri_context,
1532 target, format,
1533 dri_drawable);
1534
1535 return EGL_TRUE;
1536 }
1537
1538 static EGLBoolean
1539 dri2_release_tex_image(_EGLDriver *drv,
1540 _EGLDisplay *disp, _EGLSurface *surf, EGLint buffer)
1541 {
1542 struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
1543 struct dri2_egl_context *dri2_ctx;
1544 _EGLContext *ctx;
1545 GLint target;
1546 __DRIdrawable *dri_drawable = dri2_dpy->vtbl->get_dri_drawable(surf);
1547
1548 ctx = _eglGetCurrentContext();
1549 dri2_ctx = dri2_egl_context(ctx);
1550
1551 if (!_eglReleaseTexImage(drv, disp, surf, buffer))
1552 return EGL_FALSE;
1553
1554 switch (surf->TextureTarget) {
1555 case EGL_TEXTURE_2D:
1556 target = GL_TEXTURE_2D;
1557 break;
1558 default:
1559 assert(0);
1560 }
1561
1562 if (dri2_dpy->tex_buffer->base.version >= 3 &&
1563 dri2_dpy->tex_buffer->releaseTexBuffer != NULL) {
1564 (*dri2_dpy->tex_buffer->releaseTexBuffer)(dri2_ctx->dri_context,
1565 target,
1566 dri_drawable);
1567 }
1568
1569 return EGL_TRUE;
1570 }
1571
1572 static _EGLImage*
1573 dri2_create_image(_EGLDriver *drv, _EGLDisplay *dpy, _EGLContext *ctx,
1574 EGLenum target, EGLClientBuffer buffer,
1575 const EGLint *attr_list)
1576 {
1577 struct dri2_egl_display *dri2_dpy = dri2_egl_display(dpy);
1578 return dri2_dpy->vtbl->create_image(drv, dpy, ctx, target, buffer,
1579 attr_list);
1580 }
1581
1582 static _EGLImage *
1583 dri2_create_image_from_dri(_EGLDisplay *disp, __DRIimage *dri_image)
1584 {
1585 struct dri2_egl_image *dri2_img;
1586
1587 if (dri_image == NULL) {
1588 _eglError(EGL_BAD_ALLOC, "dri2_create_image");
1589 return NULL;
1590 }
1591
1592 dri2_img = malloc(sizeof *dri2_img);
1593 if (!dri2_img) {
1594 _eglError(EGL_BAD_ALLOC, "dri2_create_image");
1595 return NULL;
1596 }
1597
1598 if (!_eglInitImage(&dri2_img->base, disp)) {
1599 free(dri2_img);
1600 return NULL;
1601 }
1602
1603 dri2_img->dri_image = dri_image;
1604
1605 return &dri2_img->base;
1606 }
1607
1608 static _EGLImage *
1609 dri2_create_image_khr_renderbuffer(_EGLDisplay *disp, _EGLContext *ctx,
1610 EGLClientBuffer buffer,
1611 const EGLint *attr_list)
1612 {
1613 struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
1614 struct dri2_egl_context *dri2_ctx = dri2_egl_context(ctx);
1615 GLuint renderbuffer = (GLuint) (uintptr_t) buffer;
1616 __DRIimage *dri_image;
1617
1618 if (renderbuffer == 0) {
1619 _eglError(EGL_BAD_PARAMETER, "dri2_create_image_khr");
1620 return EGL_NO_IMAGE_KHR;
1621 }
1622
1623 dri_image =
1624 dri2_dpy->image->createImageFromRenderbuffer(dri2_ctx->dri_context,
1625 renderbuffer, NULL);
1626
1627 return dri2_create_image_from_dri(disp, dri_image);
1628 }
1629
1630 #ifdef HAVE_WAYLAND_PLATFORM
1631
1632 /* This structure describes how a wl_buffer maps to one or more
1633 * __DRIimages. A wl_drm_buffer stores the wl_drm format code and the
1634 * offsets and strides of the planes in the buffer. This table maps a
1635 * wl_drm format code to a description of the planes in the buffer
1636 * that lets us create a __DRIimage for each of the planes. */
1637
1638 static const struct wl_drm_components_descriptor {
1639 uint32_t dri_components;
1640 EGLint components;
1641 int nplanes;
1642 } wl_drm_components[] = {
1643 { __DRI_IMAGE_COMPONENTS_RGB, EGL_TEXTURE_RGB, 1 },
1644 { __DRI_IMAGE_COMPONENTS_RGBA, EGL_TEXTURE_RGBA, 1 },
1645 { __DRI_IMAGE_COMPONENTS_Y_U_V, EGL_TEXTURE_Y_U_V_WL, 3 },
1646 { __DRI_IMAGE_COMPONENTS_Y_UV, EGL_TEXTURE_Y_UV_WL, 2 },
1647 { __DRI_IMAGE_COMPONENTS_Y_XUXV, EGL_TEXTURE_Y_XUXV_WL, 2 },
1648 };
1649
1650 static _EGLImage *
1651 dri2_create_image_wayland_wl_buffer(_EGLDisplay *disp, _EGLContext *ctx,
1652 EGLClientBuffer _buffer,
1653 const EGLint *attr_list)
1654 {
1655 struct wl_drm_buffer *buffer;
1656 struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
1657 const struct wl_drm_components_descriptor *f;
1658 __DRIimage *dri_image;
1659 _EGLImageAttribs attrs;
1660 EGLint err;
1661 int32_t plane;
1662
1663 buffer = wayland_drm_buffer_get(dri2_dpy->wl_server_drm,
1664 (struct wl_resource *) _buffer);
1665 if (!buffer)
1666 return NULL;
1667
1668 err = _eglParseImageAttribList(&attrs, disp, attr_list);
1669 plane = attrs.PlaneWL;
1670 if (err != EGL_SUCCESS) {
1671 _eglError(EGL_BAD_PARAMETER, "dri2_create_image_wayland_wl_buffer");
1672 return NULL;
1673 }
1674
1675 f = buffer->driver_format;
1676 if (plane < 0 || plane >= f->nplanes) {
1677 _eglError(EGL_BAD_PARAMETER,
1678 "dri2_create_image_wayland_wl_buffer (plane out of bounds)");
1679 return NULL;
1680 }
1681
1682 dri_image = dri2_dpy->image->fromPlanar(buffer->driver_buffer, plane, NULL);
1683
1684 if (dri_image == NULL) {
1685 _eglError(EGL_BAD_PARAMETER, "dri2_create_image_wayland_wl_buffer");
1686 return NULL;
1687 }
1688
1689 return dri2_create_image_from_dri(disp, dri_image);
1690 }
1691 #endif
1692
1693 static EGLBoolean
1694 dri2_get_sync_values_chromium(_EGLDisplay *dpy, _EGLSurface *surf,
1695 EGLuint64KHR *ust, EGLuint64KHR *msc,
1696 EGLuint64KHR *sbc)
1697 {
1698 struct dri2_egl_display *dri2_dpy = dri2_egl_display(dpy);
1699 return dri2_dpy->vtbl->get_sync_values(dpy, surf, ust, msc, sbc);
1700 }
1701
1702 /**
1703 * Set the error code after a call to
1704 * dri2_egl_image::dri_image::createImageFromTexture.
1705 */
1706 static void
1707 dri2_create_image_khr_texture_error(int dri_error)
1708 {
1709 EGLint egl_error;
1710
1711 switch (dri_error) {
1712 case __DRI_IMAGE_ERROR_SUCCESS:
1713 return;
1714
1715 case __DRI_IMAGE_ERROR_BAD_ALLOC:
1716 egl_error = EGL_BAD_ALLOC;
1717 break;
1718
1719 case __DRI_IMAGE_ERROR_BAD_MATCH:
1720 egl_error = EGL_BAD_MATCH;
1721 break;
1722
1723 case __DRI_IMAGE_ERROR_BAD_PARAMETER:
1724 egl_error = EGL_BAD_PARAMETER;
1725 break;
1726
1727 case __DRI_IMAGE_ERROR_BAD_ACCESS:
1728 egl_error = EGL_BAD_ACCESS;
1729 break;
1730
1731 default:
1732 assert(0);
1733 egl_error = EGL_BAD_MATCH;
1734 break;
1735 }
1736
1737 _eglError(egl_error, "dri2_create_image_khr_texture");
1738 }
1739
1740 static _EGLImage *
1741 dri2_create_image_khr_texture(_EGLDisplay *disp, _EGLContext *ctx,
1742 EGLenum target,
1743 EGLClientBuffer buffer,
1744 const EGLint *attr_list)
1745 {
1746 struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
1747 struct dri2_egl_context *dri2_ctx = dri2_egl_context(ctx);
1748 struct dri2_egl_image *dri2_img;
1749 GLuint texture = (GLuint) (uintptr_t) buffer;
1750 _EGLImageAttribs attrs;
1751 GLuint depth;
1752 GLenum gl_target;
1753 unsigned error;
1754
1755 if (texture == 0) {
1756 _eglError(EGL_BAD_PARAMETER, "dri2_create_image_khr");
1757 return EGL_NO_IMAGE_KHR;
1758 }
1759
1760 if (_eglParseImageAttribList(&attrs, disp, attr_list) != EGL_SUCCESS)
1761 return EGL_NO_IMAGE_KHR;
1762
1763 switch (target) {
1764 case EGL_GL_TEXTURE_2D_KHR:
1765 depth = 0;
1766 gl_target = GL_TEXTURE_2D;
1767 break;
1768 case EGL_GL_TEXTURE_3D_KHR:
1769 if (disp->Extensions.KHR_gl_texture_3D_image) {
1770 depth = attrs.GLTextureZOffset;
1771 gl_target = GL_TEXTURE_3D;
1772 break;
1773 }
1774 else {
1775 _eglError(EGL_BAD_PARAMETER, "dri2_create_image_khr");
1776 return EGL_NO_IMAGE_KHR;
1777 }
1778 case EGL_GL_TEXTURE_CUBE_MAP_POSITIVE_X_KHR:
1779 case EGL_GL_TEXTURE_CUBE_MAP_NEGATIVE_X_KHR:
1780 case EGL_GL_TEXTURE_CUBE_MAP_POSITIVE_Y_KHR:
1781 case EGL_GL_TEXTURE_CUBE_MAP_NEGATIVE_Y_KHR:
1782 case EGL_GL_TEXTURE_CUBE_MAP_POSITIVE_Z_KHR:
1783 case EGL_GL_TEXTURE_CUBE_MAP_NEGATIVE_Z_KHR:
1784 depth = target - EGL_GL_TEXTURE_CUBE_MAP_POSITIVE_X_KHR;
1785 gl_target = GL_TEXTURE_CUBE_MAP;
1786 break;
1787 default:
1788 _eglError(EGL_BAD_PARAMETER, "dri2_create_image_khr");
1789 return EGL_NO_IMAGE_KHR;
1790 }
1791
1792 dri2_img = malloc(sizeof *dri2_img);
1793 if (!dri2_img) {
1794 _eglError(EGL_BAD_ALLOC, "dri2_create_image_khr");
1795 return EGL_NO_IMAGE_KHR;
1796 }
1797
1798 if (!_eglInitImage(&dri2_img->base, disp)) {
1799 _eglError(EGL_BAD_ALLOC, "dri2_create_image_khr");
1800 free(dri2_img);
1801 return EGL_NO_IMAGE_KHR;
1802 }
1803
1804 dri2_img->dri_image =
1805 dri2_dpy->image->createImageFromTexture(dri2_ctx->dri_context,
1806 gl_target,
1807 texture,
1808 depth,
1809 attrs.GLTextureLevel,
1810 &error,
1811 dri2_img);
1812 dri2_create_image_khr_texture_error(error);
1813
1814 if (!dri2_img->dri_image) {
1815 free(dri2_img);
1816 return EGL_NO_IMAGE_KHR;
1817 }
1818 return &dri2_img->base;
1819 }
1820
1821 static EGLBoolean
1822 dri2_query_surface(_EGLDriver *drv, _EGLDisplay *dpy, _EGLSurface *surf,
1823 EGLint attribute, EGLint *value)
1824 {
1825 struct dri2_egl_display *dri2_dpy = dri2_egl_display(dpy);
1826 if (!dri2_dpy->vtbl->query_surface)
1827 return _eglQuerySurface(drv, dpy, surf, attribute, value);
1828 return dri2_dpy->vtbl->query_surface(drv, dpy, surf, attribute, value);
1829 }
1830
1831 static struct wl_buffer*
1832 dri2_create_wayland_buffer_from_image(_EGLDriver *drv, _EGLDisplay *dpy,
1833 _EGLImage *img)
1834 {
1835 struct dri2_egl_display *dri2_dpy = dri2_egl_display(dpy);
1836 return dri2_dpy->vtbl->create_wayland_buffer_from_image(drv, dpy, img);
1837 }
1838
1839 #ifdef HAVE_LIBDRM
1840 static _EGLImage *
1841 dri2_create_image_mesa_drm_buffer(_EGLDisplay *disp, _EGLContext *ctx,
1842 EGLClientBuffer buffer, const EGLint *attr_list)
1843 {
1844 struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
1845 EGLint format, name, pitch, err;
1846 _EGLImageAttribs attrs;
1847 __DRIimage *dri_image;
1848
1849 name = (EGLint) (uintptr_t) buffer;
1850
1851 err = _eglParseImageAttribList(&attrs, disp, attr_list);
1852 if (err != EGL_SUCCESS)
1853 return NULL;
1854
1855 if (attrs.Width <= 0 || attrs.Height <= 0 ||
1856 attrs.DRMBufferStrideMESA <= 0) {
1857 _eglError(EGL_BAD_PARAMETER,
1858 "bad width, height or stride");
1859 return NULL;
1860 }
1861
1862 switch (attrs.DRMBufferFormatMESA) {
1863 case EGL_DRM_BUFFER_FORMAT_ARGB32_MESA:
1864 format = __DRI_IMAGE_FORMAT_ARGB8888;
1865 pitch = attrs.DRMBufferStrideMESA;
1866 break;
1867 default:
1868 _eglError(EGL_BAD_PARAMETER,
1869 "dri2_create_image_khr: unsupported pixmap depth");
1870 return NULL;
1871 }
1872
1873 dri_image =
1874 dri2_dpy->image->createImageFromName(dri2_dpy->dri_screen,
1875 attrs.Width,
1876 attrs.Height,
1877 format,
1878 name,
1879 pitch,
1880 NULL);
1881
1882 return dri2_create_image_from_dri(disp, dri_image);
1883 }
1884
1885 static EGLBoolean
1886 dri2_check_dma_buf_attribs(const _EGLImageAttribs *attrs)
1887 {
1888 unsigned i;
1889
1890 /**
1891 * The spec says:
1892 *
1893 * "Required attributes and their values are as follows:
1894 *
1895 * * EGL_WIDTH & EGL_HEIGHT: The logical dimensions of the buffer in pixels
1896 *
1897 * * EGL_LINUX_DRM_FOURCC_EXT: The pixel format of the buffer, as specified
1898 * by drm_fourcc.h and used as the pixel_format parameter of the
1899 * drm_mode_fb_cmd2 ioctl."
1900 *
1901 * and
1902 *
1903 * "* If <target> is EGL_LINUX_DMA_BUF_EXT, and the list of attributes is
1904 * incomplete, EGL_BAD_PARAMETER is generated."
1905 */
1906 if (attrs->Width <= 0 || attrs->Height <= 0 ||
1907 !attrs->DMABufFourCC.IsPresent) {
1908 _eglError(EGL_BAD_PARAMETER, "attribute(s) missing");
1909 return EGL_FALSE;
1910 }
1911
1912 /**
1913 * Also:
1914 *
1915 * "If <target> is EGL_LINUX_DMA_BUF_EXT and one or more of the values
1916 * specified for a plane's pitch or offset isn't supported by EGL,
1917 * EGL_BAD_ACCESS is generated."
1918 */
1919 for (i = 0; i < ARRAY_SIZE(attrs->DMABufPlanePitches); ++i) {
1920 if (attrs->DMABufPlanePitches[i].IsPresent &&
1921 attrs->DMABufPlanePitches[i].Value <= 0) {
1922 _eglError(EGL_BAD_ACCESS, "invalid pitch");
1923 return EGL_FALSE;
1924 }
1925 }
1926
1927 return EGL_TRUE;
1928 }
1929
1930 /* Returns the total number of file descriptors. Zero indicates an error. */
1931 static unsigned
1932 dri2_check_dma_buf_format(const _EGLImageAttribs *attrs)
1933 {
1934 unsigned i, plane_n;
1935
1936 switch (attrs->DMABufFourCC.Value) {
1937 case DRM_FORMAT_R8:
1938 case DRM_FORMAT_RG88:
1939 case DRM_FORMAT_GR88:
1940 case DRM_FORMAT_RGB332:
1941 case DRM_FORMAT_BGR233:
1942 case DRM_FORMAT_XRGB4444:
1943 case DRM_FORMAT_XBGR4444:
1944 case DRM_FORMAT_RGBX4444:
1945 case DRM_FORMAT_BGRX4444:
1946 case DRM_FORMAT_ARGB4444:
1947 case DRM_FORMAT_ABGR4444:
1948 case DRM_FORMAT_RGBA4444:
1949 case DRM_FORMAT_BGRA4444:
1950 case DRM_FORMAT_XRGB1555:
1951 case DRM_FORMAT_XBGR1555:
1952 case DRM_FORMAT_RGBX5551:
1953 case DRM_FORMAT_BGRX5551:
1954 case DRM_FORMAT_ARGB1555:
1955 case DRM_FORMAT_ABGR1555:
1956 case DRM_FORMAT_RGBA5551:
1957 case DRM_FORMAT_BGRA5551:
1958 case DRM_FORMAT_RGB565:
1959 case DRM_FORMAT_BGR565:
1960 case DRM_FORMAT_RGB888:
1961 case DRM_FORMAT_BGR888:
1962 case DRM_FORMAT_XRGB8888:
1963 case DRM_FORMAT_XBGR8888:
1964 case DRM_FORMAT_RGBX8888:
1965 case DRM_FORMAT_BGRX8888:
1966 case DRM_FORMAT_ARGB8888:
1967 case DRM_FORMAT_ABGR8888:
1968 case DRM_FORMAT_RGBA8888:
1969 case DRM_FORMAT_BGRA8888:
1970 case DRM_FORMAT_XRGB2101010:
1971 case DRM_FORMAT_XBGR2101010:
1972 case DRM_FORMAT_RGBX1010102:
1973 case DRM_FORMAT_BGRX1010102:
1974 case DRM_FORMAT_ARGB2101010:
1975 case DRM_FORMAT_ABGR2101010:
1976 case DRM_FORMAT_RGBA1010102:
1977 case DRM_FORMAT_BGRA1010102:
1978 case DRM_FORMAT_YUYV:
1979 case DRM_FORMAT_YVYU:
1980 case DRM_FORMAT_UYVY:
1981 case DRM_FORMAT_VYUY:
1982 plane_n = 1;
1983 break;
1984 case DRM_FORMAT_NV12:
1985 case DRM_FORMAT_NV21:
1986 case DRM_FORMAT_NV16:
1987 case DRM_FORMAT_NV61:
1988 plane_n = 2;
1989 break;
1990 case DRM_FORMAT_YUV410:
1991 case DRM_FORMAT_YVU410:
1992 case DRM_FORMAT_YUV411:
1993 case DRM_FORMAT_YVU411:
1994 case DRM_FORMAT_YUV420:
1995 case DRM_FORMAT_YVU420:
1996 case DRM_FORMAT_YUV422:
1997 case DRM_FORMAT_YVU422:
1998 case DRM_FORMAT_YUV444:
1999 case DRM_FORMAT_YVU444:
2000 plane_n = 3;
2001 break;
2002 default:
2003 _eglError(EGL_BAD_ATTRIBUTE, "invalid format");
2004 return 0;
2005 }
2006
2007 /**
2008 * The spec says:
2009 *
2010 * "* If <target> is EGL_LINUX_DMA_BUF_EXT, and the list of attributes is
2011 * incomplete, EGL_BAD_PARAMETER is generated."
2012 */
2013 for (i = 0; i < plane_n; ++i) {
2014 if (!attrs->DMABufPlaneFds[i].IsPresent ||
2015 !attrs->DMABufPlaneOffsets[i].IsPresent ||
2016 !attrs->DMABufPlanePitches[i].IsPresent) {
2017 _eglError(EGL_BAD_PARAMETER, "plane attribute(s) missing");
2018 return 0;
2019 }
2020 }
2021
2022 /**
2023 * The spec also says:
2024 *
2025 * "If <target> is EGL_LINUX_DMA_BUF_EXT, and the EGL_LINUX_DRM_FOURCC_EXT
2026 * attribute indicates a single-plane format, EGL_BAD_ATTRIBUTE is
2027 * generated if any of the EGL_DMA_BUF_PLANE1_* or EGL_DMA_BUF_PLANE2_*
2028 * attributes are specified."
2029 */
2030 for (i = plane_n; i < 3; ++i) {
2031 if (attrs->DMABufPlaneFds[i].IsPresent ||
2032 attrs->DMABufPlaneOffsets[i].IsPresent ||
2033 attrs->DMABufPlanePitches[i].IsPresent) {
2034 _eglError(EGL_BAD_ATTRIBUTE, "too many plane attributes");
2035 return 0;
2036 }
2037 }
2038
2039 return plane_n;
2040 }
2041
2042 /**
2043 * The spec says:
2044 *
2045 * "If eglCreateImageKHR is successful for a EGL_LINUX_DMA_BUF_EXT target, the
2046 * EGL will take a reference to the dma_buf(s) which it will release at any
2047 * time while the EGLDisplay is initialized. It is the responsibility of the
2048 * application to close the dma_buf file descriptors."
2049 *
2050 * Therefore we must never close or otherwise modify the file descriptors.
2051 */
2052 _EGLImage *
2053 dri2_create_image_dma_buf(_EGLDisplay *disp, _EGLContext *ctx,
2054 EGLClientBuffer buffer, const EGLint *attr_list)
2055 {
2056 struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
2057 _EGLImage *res;
2058 EGLint err;
2059 _EGLImageAttribs attrs;
2060 __DRIimage *dri_image;
2061 unsigned num_fds;
2062 unsigned i;
2063 int fds[3];
2064 int pitches[3];
2065 int offsets[3];
2066 unsigned error;
2067
2068 /**
2069 * The spec says:
2070 *
2071 * ""* If <target> is EGL_LINUX_DMA_BUF_EXT and <buffer> is not NULL, the
2072 * error EGL_BAD_PARAMETER is generated."
2073 */
2074 if (buffer != NULL) {
2075 _eglError(EGL_BAD_PARAMETER, "buffer not NULL");
2076 return NULL;
2077 }
2078
2079 err = _eglParseImageAttribList(&attrs, disp, attr_list);
2080 if (err != EGL_SUCCESS) {
2081 _eglError(err, "bad attribute");
2082 return NULL;
2083 }
2084
2085 if (!dri2_check_dma_buf_attribs(&attrs))
2086 return NULL;
2087
2088 num_fds = dri2_check_dma_buf_format(&attrs);
2089 if (!num_fds)
2090 return NULL;
2091
2092 for (i = 0; i < num_fds; ++i) {
2093 fds[i] = attrs.DMABufPlaneFds[i].Value;
2094 pitches[i] = attrs.DMABufPlanePitches[i].Value;
2095 offsets[i] = attrs.DMABufPlaneOffsets[i].Value;
2096 }
2097
2098 dri_image =
2099 dri2_dpy->image->createImageFromDmaBufs(dri2_dpy->dri_screen,
2100 attrs.Width, attrs.Height, attrs.DMABufFourCC.Value,
2101 fds, num_fds, pitches, offsets,
2102 attrs.DMABufYuvColorSpaceHint.Value,
2103 attrs.DMABufSampleRangeHint.Value,
2104 attrs.DMABufChromaHorizontalSiting.Value,
2105 attrs.DMABufChromaVerticalSiting.Value,
2106 &error,
2107 NULL);
2108 dri2_create_image_khr_texture_error(error);
2109
2110 if (!dri_image)
2111 return EGL_NO_IMAGE_KHR;
2112
2113 res = dri2_create_image_from_dri(disp, dri_image);
2114
2115 return res;
2116 }
2117 static _EGLImage *
2118 dri2_create_drm_image_mesa(_EGLDriver *drv, _EGLDisplay *disp,
2119 const EGLint *attr_list)
2120 {
2121 struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
2122 struct dri2_egl_image *dri2_img;
2123 _EGLImageAttribs attrs;
2124 unsigned int dri_use, valid_mask;
2125 int format;
2126 EGLint err = EGL_SUCCESS;
2127
2128 (void) drv;
2129
2130 dri2_img = malloc(sizeof *dri2_img);
2131 if (!dri2_img) {
2132 _eglError(EGL_BAD_ALLOC, "dri2_create_image_khr");
2133 return EGL_NO_IMAGE_KHR;
2134 }
2135
2136 if (!attr_list) {
2137 err = EGL_BAD_PARAMETER;
2138 goto cleanup_img;
2139 }
2140
2141 if (!_eglInitImage(&dri2_img->base, disp)) {
2142 err = EGL_BAD_PARAMETER;
2143 goto cleanup_img;
2144 }
2145
2146 err = _eglParseImageAttribList(&attrs, disp, attr_list);
2147 if (err != EGL_SUCCESS)
2148 goto cleanup_img;
2149
2150 if (attrs.Width <= 0 || attrs.Height <= 0) {
2151 _eglLog(_EGL_WARNING, "bad width or height (%dx%d)",
2152 attrs.Width, attrs.Height);
2153 goto cleanup_img;
2154 }
2155
2156 switch (attrs.DRMBufferFormatMESA) {
2157 case EGL_DRM_BUFFER_FORMAT_ARGB32_MESA:
2158 format = __DRI_IMAGE_FORMAT_ARGB8888;
2159 break;
2160 default:
2161 _eglLog(_EGL_WARNING, "bad image format value 0x%04x",
2162 attrs.DRMBufferFormatMESA);
2163 goto cleanup_img;
2164 }
2165
2166 valid_mask =
2167 EGL_DRM_BUFFER_USE_SCANOUT_MESA |
2168 EGL_DRM_BUFFER_USE_SHARE_MESA |
2169 EGL_DRM_BUFFER_USE_CURSOR_MESA;
2170 if (attrs.DRMBufferUseMESA & ~valid_mask) {
2171 _eglLog(_EGL_WARNING, "bad image use bit 0x%04x",
2172 attrs.DRMBufferUseMESA & ~valid_mask);
2173 goto cleanup_img;
2174 }
2175
2176 dri_use = 0;
2177 if (attrs.DRMBufferUseMESA & EGL_DRM_BUFFER_USE_SHARE_MESA)
2178 dri_use |= __DRI_IMAGE_USE_SHARE;
2179 if (attrs.DRMBufferUseMESA & EGL_DRM_BUFFER_USE_SCANOUT_MESA)
2180 dri_use |= __DRI_IMAGE_USE_SCANOUT;
2181 if (attrs.DRMBufferUseMESA & EGL_DRM_BUFFER_USE_CURSOR_MESA)
2182 dri_use |= __DRI_IMAGE_USE_CURSOR;
2183
2184 dri2_img->dri_image =
2185 dri2_dpy->image->createImage(dri2_dpy->dri_screen,
2186 attrs.Width, attrs.Height,
2187 format, dri_use, dri2_img);
2188 if (dri2_img->dri_image == NULL) {
2189 err = EGL_BAD_ALLOC;
2190 goto cleanup_img;
2191 }
2192
2193 return &dri2_img->base;
2194
2195 cleanup_img:
2196 free(dri2_img);
2197 _eglError(err, "dri2_create_drm_image_mesa");
2198
2199 return EGL_NO_IMAGE_KHR;
2200 }
2201
2202 static EGLBoolean
2203 dri2_export_drm_image_mesa(_EGLDriver *drv, _EGLDisplay *disp, _EGLImage *img,
2204 EGLint *name, EGLint *handle, EGLint *stride)
2205 {
2206 struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
2207 struct dri2_egl_image *dri2_img = dri2_egl_image(img);
2208
2209 (void) drv;
2210
2211 if (name && !dri2_dpy->image->queryImage(dri2_img->dri_image,
2212 __DRI_IMAGE_ATTRIB_NAME, name)) {
2213 _eglError(EGL_BAD_ALLOC, "dri2_export_drm_image_mesa");
2214 return EGL_FALSE;
2215 }
2216
2217 if (handle)
2218 dri2_dpy->image->queryImage(dri2_img->dri_image,
2219 __DRI_IMAGE_ATTRIB_HANDLE, handle);
2220
2221 if (stride)
2222 dri2_dpy->image->queryImage(dri2_img->dri_image,
2223 __DRI_IMAGE_ATTRIB_STRIDE, stride);
2224
2225 return EGL_TRUE;
2226 }
2227
2228 static EGLBoolean
2229 dri2_export_dma_buf_image_query_mesa(_EGLDriver *drv, _EGLDisplay *disp,
2230 _EGLImage *img,
2231 EGLint *fourcc, EGLint *nplanes,
2232 EGLuint64KHR *modifiers)
2233 {
2234 struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
2235 struct dri2_egl_image *dri2_img = dri2_egl_image(img);
2236
2237 (void) drv;
2238
2239
2240 if (nplanes)
2241 dri2_dpy->image->queryImage(dri2_img->dri_image,
2242 __DRI_IMAGE_ATTRIB_NUM_PLANES, nplanes);
2243 if (fourcc)
2244 dri2_dpy->image->queryImage(dri2_img->dri_image,
2245 __DRI_IMAGE_ATTRIB_FOURCC, fourcc);
2246
2247 if (modifiers)
2248 *modifiers = 0;
2249
2250 return EGL_TRUE;
2251 }
2252
2253 static EGLBoolean
2254 dri2_export_dma_buf_image_mesa(_EGLDriver *drv, _EGLDisplay *disp, _EGLImage *img,
2255 int *fds, EGLint *strides, EGLint *offsets)
2256 {
2257 struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
2258 struct dri2_egl_image *dri2_img = dri2_egl_image(img);
2259
2260 (void) drv;
2261
2262 /* rework later to provide multiple fds/strides/offsets */
2263 if (fds)
2264 dri2_dpy->image->queryImage(dri2_img->dri_image,
2265 __DRI_IMAGE_ATTRIB_FD, fds);
2266
2267 if (strides)
2268 dri2_dpy->image->queryImage(dri2_img->dri_image,
2269 __DRI_IMAGE_ATTRIB_STRIDE, strides);
2270
2271 if (offsets) {
2272 int img_offset;
2273 bool ret = dri2_dpy->image->queryImage(dri2_img->dri_image,
2274 __DRI_IMAGE_ATTRIB_OFFSET, &img_offset);
2275 if (ret)
2276 offsets[0] = img_offset;
2277 else
2278 offsets[0] = 0;
2279 }
2280
2281 return EGL_TRUE;
2282 }
2283
2284 #endif
2285
2286 _EGLImage *
2287 dri2_create_image_khr(_EGLDriver *drv, _EGLDisplay *disp,
2288 _EGLContext *ctx, EGLenum target,
2289 EGLClientBuffer buffer, const EGLint *attr_list)
2290 {
2291 (void) drv;
2292
2293 switch (target) {
2294 case EGL_GL_TEXTURE_2D_KHR:
2295 case EGL_GL_TEXTURE_CUBE_MAP_POSITIVE_X_KHR:
2296 case EGL_GL_TEXTURE_CUBE_MAP_NEGATIVE_X_KHR:
2297 case EGL_GL_TEXTURE_CUBE_MAP_POSITIVE_Y_KHR:
2298 case EGL_GL_TEXTURE_CUBE_MAP_NEGATIVE_Y_KHR:
2299 case EGL_GL_TEXTURE_CUBE_MAP_POSITIVE_Z_KHR:
2300 case EGL_GL_TEXTURE_CUBE_MAP_NEGATIVE_Z_KHR:
2301 return dri2_create_image_khr_texture(disp, ctx, target, buffer, attr_list);
2302 case EGL_GL_TEXTURE_3D_KHR:
2303 if (disp->Extensions.KHR_gl_texture_3D_image) {
2304 return dri2_create_image_khr_texture(disp, ctx, target, buffer, attr_list);
2305 }
2306 else {
2307 _eglError(EGL_BAD_PARAMETER, "dri2_create_image_khr");
2308 return EGL_NO_IMAGE_KHR;
2309 }
2310 case EGL_GL_RENDERBUFFER_KHR:
2311 return dri2_create_image_khr_renderbuffer(disp, ctx, buffer, attr_list);
2312 #ifdef HAVE_LIBDRM
2313 case EGL_DRM_BUFFER_MESA:
2314 return dri2_create_image_mesa_drm_buffer(disp, ctx, buffer, attr_list);
2315 case EGL_LINUX_DMA_BUF_EXT:
2316 return dri2_create_image_dma_buf(disp, ctx, buffer, attr_list);
2317 #endif
2318 #ifdef HAVE_WAYLAND_PLATFORM
2319 case EGL_WAYLAND_BUFFER_WL:
2320 return dri2_create_image_wayland_wl_buffer(disp, ctx, buffer, attr_list);
2321 #endif
2322 default:
2323 _eglError(EGL_BAD_PARAMETER, "dri2_create_image_khr");
2324 return EGL_NO_IMAGE_KHR;
2325 }
2326 }
2327
2328 static EGLBoolean
2329 dri2_destroy_image_khr(_EGLDriver *drv, _EGLDisplay *disp, _EGLImage *image)
2330 {
2331 struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
2332 struct dri2_egl_image *dri2_img = dri2_egl_image(image);
2333
2334 (void) drv;
2335
2336 dri2_dpy->image->destroyImage(dri2_img->dri_image);
2337 free(dri2_img);
2338
2339 return EGL_TRUE;
2340 }
2341
2342 #ifdef HAVE_WAYLAND_PLATFORM
2343
2344 static void
2345 dri2_wl_reference_buffer(void *user_data, uint32_t name, int fd,
2346 struct wl_drm_buffer *buffer)
2347 {
2348 _EGLDisplay *disp = user_data;
2349 struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
2350 __DRIimage *img;
2351 int i, dri_components = 0;
2352
2353 if (fd == -1)
2354 img = dri2_dpy->image->createImageFromNames(dri2_dpy->dri_screen,
2355 buffer->width,
2356 buffer->height,
2357 buffer->format,
2358 (int*)&name, 1,
2359 buffer->stride,
2360 buffer->offset,
2361 NULL);
2362 else
2363 img = dri2_dpy->image->createImageFromFds(dri2_dpy->dri_screen,
2364 buffer->width,
2365 buffer->height,
2366 buffer->format,
2367 &fd, 1,
2368 buffer->stride,
2369 buffer->offset,
2370 NULL);
2371
2372 if (img == NULL)
2373 return;
2374
2375 dri2_dpy->image->queryImage(img, __DRI_IMAGE_ATTRIB_COMPONENTS, &dri_components);
2376
2377 buffer->driver_format = NULL;
2378 for (i = 0; i < ARRAY_SIZE(wl_drm_components); i++)
2379 if (wl_drm_components[i].dri_components == dri_components)
2380 buffer->driver_format = &wl_drm_components[i];
2381
2382 if (buffer->driver_format == NULL)
2383 dri2_dpy->image->destroyImage(img);
2384 else
2385 buffer->driver_buffer = img;
2386 }
2387
2388 static void
2389 dri2_wl_release_buffer(void *user_data, struct wl_drm_buffer *buffer)
2390 {
2391 _EGLDisplay *disp = user_data;
2392 struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
2393
2394 dri2_dpy->image->destroyImage(buffer->driver_buffer);
2395 }
2396
2397 static struct wayland_drm_callbacks wl_drm_callbacks = {
2398 .authenticate = NULL,
2399 .reference_buffer = dri2_wl_reference_buffer,
2400 .release_buffer = dri2_wl_release_buffer
2401 };
2402
2403 static EGLBoolean
2404 dri2_bind_wayland_display_wl(_EGLDriver *drv, _EGLDisplay *disp,
2405 struct wl_display *wl_dpy)
2406 {
2407 struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
2408 int flags = 0;
2409 uint64_t cap;
2410
2411 (void) drv;
2412
2413 if (dri2_dpy->wl_server_drm)
2414 return EGL_FALSE;
2415
2416 wl_drm_callbacks.authenticate =
2417 (int(*)(void *, uint32_t)) dri2_dpy->vtbl->authenticate;
2418
2419 if (drmGetCap(dri2_dpy->fd, DRM_CAP_PRIME, &cap) == 0 &&
2420 cap == (DRM_PRIME_CAP_IMPORT | DRM_PRIME_CAP_EXPORT) &&
2421 dri2_dpy->image->base.version >= 7 &&
2422 dri2_dpy->image->createImageFromFds != NULL)
2423 flags |= WAYLAND_DRM_PRIME;
2424
2425 dri2_dpy->wl_server_drm =
2426 wayland_drm_init(wl_dpy, dri2_dpy->device_name,
2427 &wl_drm_callbacks, disp, flags);
2428
2429 if (!dri2_dpy->wl_server_drm)
2430 return EGL_FALSE;
2431
2432 #ifdef HAVE_DRM_PLATFORM
2433 /* We have to share the wl_drm instance with gbm, so gbm can convert
2434 * wl_buffers to gbm bos. */
2435 if (dri2_dpy->gbm_dri)
2436 dri2_dpy->gbm_dri->wl_drm = dri2_dpy->wl_server_drm;
2437 #endif
2438
2439 return EGL_TRUE;
2440 }
2441
2442 static EGLBoolean
2443 dri2_unbind_wayland_display_wl(_EGLDriver *drv, _EGLDisplay *disp,
2444 struct wl_display *wl_dpy)
2445 {
2446 struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
2447
2448 (void) drv;
2449
2450 if (!dri2_dpy->wl_server_drm)
2451 return EGL_FALSE;
2452
2453 wayland_drm_uninit(dri2_dpy->wl_server_drm);
2454 dri2_dpy->wl_server_drm = NULL;
2455
2456 return EGL_TRUE;
2457 }
2458
2459 static EGLBoolean
2460 dri2_query_wayland_buffer_wl(_EGLDriver *drv, _EGLDisplay *disp,
2461 struct wl_resource *buffer_resource,
2462 EGLint attribute, EGLint *value)
2463 {
2464 struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
2465 struct wl_drm_buffer *buffer;
2466 const struct wl_drm_components_descriptor *format;
2467
2468 buffer = wayland_drm_buffer_get(dri2_dpy->wl_server_drm, buffer_resource);
2469 if (!buffer)
2470 return EGL_FALSE;
2471
2472 format = buffer->driver_format;
2473 switch (attribute) {
2474 case EGL_TEXTURE_FORMAT:
2475 *value = format->components;
2476 return EGL_TRUE;
2477 case EGL_WIDTH:
2478 *value = buffer->width;
2479 return EGL_TRUE;
2480 case EGL_HEIGHT:
2481 *value = buffer->height;
2482 return EGL_TRUE;
2483 }
2484
2485 return EGL_FALSE;
2486 }
2487 #endif
2488
2489 static void
2490 dri2_egl_ref_sync(struct dri2_egl_sync *sync)
2491 {
2492 p_atomic_inc(&sync->refcount);
2493 }
2494
2495 static void
2496 dri2_egl_unref_sync(struct dri2_egl_display *dri2_dpy,
2497 struct dri2_egl_sync *dri2_sync)
2498 {
2499 if (p_atomic_dec_zero(&dri2_sync->refcount)) {
2500 if (dri2_sync->base.Type == EGL_SYNC_REUSABLE_KHR)
2501 cnd_destroy(&dri2_sync->cond);
2502
2503 if (dri2_sync->fence)
2504 dri2_dpy->fence->destroy_fence(dri2_dpy->dri_screen, dri2_sync->fence);
2505
2506 free(dri2_sync);
2507 }
2508 }
2509
2510 static _EGLSync *
2511 dri2_create_sync(_EGLDriver *drv, _EGLDisplay *dpy,
2512 EGLenum type, const EGLint *attrib_list,
2513 const EGLAttrib *attrib_list64)
2514 {
2515 _EGLContext *ctx = _eglGetCurrentContext();
2516 struct dri2_egl_display *dri2_dpy = dri2_egl_display(dpy);
2517 struct dri2_egl_context *dri2_ctx = dri2_egl_context(ctx);
2518 struct dri2_egl_sync *dri2_sync;
2519 EGLint ret;
2520 pthread_condattr_t attr;
2521
2522 dri2_sync = calloc(1, sizeof(struct dri2_egl_sync));
2523 if (!dri2_sync) {
2524 _eglError(EGL_BAD_ALLOC, "eglCreateSyncKHR");
2525 return NULL;
2526 }
2527
2528 if (!_eglInitSync(&dri2_sync->base, dpy, type, attrib_list,
2529 attrib_list64)) {
2530 free(dri2_sync);
2531 return NULL;
2532 }
2533
2534 switch (type) {
2535 case EGL_SYNC_FENCE_KHR:
2536 dri2_sync->fence = dri2_dpy->fence->create_fence(dri2_ctx->dri_context);
2537 if (!dri2_sync->fence) {
2538 /* Why did it fail? DRI doesn't return an error code, so we emit
2539 * a generic EGL error that doesn't communicate user error.
2540 */
2541 _eglError(EGL_BAD_ALLOC, "eglCreateSyncKHR");
2542 free(dri2_sync);
2543 return NULL;
2544 }
2545 break;
2546
2547 case EGL_SYNC_CL_EVENT_KHR:
2548 dri2_sync->fence = dri2_dpy->fence->get_fence_from_cl_event(
2549 dri2_dpy->dri_screen,
2550 dri2_sync->base.CLEvent);
2551 /* this can only happen if the cl_event passed in is invalid. */
2552 if (!dri2_sync->fence) {
2553 _eglError(EGL_BAD_ATTRIBUTE, "eglCreateSyncKHR");
2554 free(dri2_sync);
2555 return NULL;
2556 }
2557
2558 /* the initial status must be "signaled" if the cl_event is signaled */
2559 if (dri2_dpy->fence->client_wait_sync(dri2_ctx->dri_context,
2560 dri2_sync->fence, 0, 0))
2561 dri2_sync->base.SyncStatus = EGL_SIGNALED_KHR;
2562 break;
2563
2564 case EGL_SYNC_REUSABLE_KHR:
2565 /* intialize attr */
2566 ret = pthread_condattr_init(&attr);
2567
2568 if (ret) {
2569 _eglError(EGL_BAD_ACCESS, "eglCreateSyncKHR");
2570 free(dri2_sync);
2571 return NULL;
2572 }
2573
2574 /* change clock attribute to CLOCK_MONOTONIC */
2575 ret = pthread_condattr_setclock(&attr, CLOCK_MONOTONIC);
2576
2577 if (ret) {
2578 _eglError(EGL_BAD_ACCESS, "eglCreateSyncKHR");
2579 free(dri2_sync);
2580 return NULL;
2581 }
2582
2583 ret = pthread_cond_init(&dri2_sync->cond, &attr);
2584
2585 if (ret) {
2586 _eglError(EGL_BAD_ACCESS, "eglCreateSyncKHR");
2587 free(dri2_sync);
2588 return NULL;
2589 }
2590
2591 /* initial status of reusable sync must be "unsignaled" */
2592 dri2_sync->base.SyncStatus = EGL_UNSIGNALED_KHR;
2593 break;
2594 }
2595
2596 p_atomic_set(&dri2_sync->refcount, 1);
2597 return &dri2_sync->base;
2598 }
2599
2600 static EGLBoolean
2601 dri2_destroy_sync(_EGLDriver *drv, _EGLDisplay *dpy, _EGLSync *sync)
2602 {
2603 struct dri2_egl_display *dri2_dpy = dri2_egl_display(dpy);
2604 struct dri2_egl_sync *dri2_sync = dri2_egl_sync(sync);
2605 EGLint ret = EGL_TRUE;
2606 EGLint err;
2607
2608 /* if type of sync is EGL_SYNC_REUSABLE_KHR and it is not signaled yet,
2609 * then unlock all threads possibly blocked by the reusable sync before
2610 * destroying it.
2611 */
2612 if (dri2_sync->base.Type == EGL_SYNC_REUSABLE_KHR &&
2613 dri2_sync->base.SyncStatus == EGL_UNSIGNALED_KHR) {
2614 dri2_sync->base.SyncStatus = EGL_SIGNALED_KHR;
2615 /* unblock all threads currently blocked by sync */
2616 err = cnd_broadcast(&dri2_sync->cond);
2617
2618 if (err) {
2619 _eglError(EGL_BAD_ACCESS, "eglDestroySyncKHR");
2620 ret = EGL_FALSE;
2621 }
2622 }
2623 dri2_egl_unref_sync(dri2_dpy, dri2_sync);
2624
2625 return ret;
2626 }
2627
2628 static EGLint
2629 dri2_client_wait_sync(_EGLDriver *drv, _EGLDisplay *dpy, _EGLSync *sync,
2630 EGLint flags, EGLTime timeout)
2631 {
2632 _EGLContext *ctx = _eglGetCurrentContext();
2633 struct dri2_egl_driver *dri2_drv = dri2_egl_driver(drv);
2634 struct dri2_egl_display *dri2_dpy = dri2_egl_display(dpy);
2635 struct dri2_egl_context *dri2_ctx = dri2_egl_context(ctx);
2636 struct dri2_egl_sync *dri2_sync = dri2_egl_sync(sync);
2637 unsigned wait_flags = 0;
2638
2639 /* timespecs for cnd_timedwait */
2640 struct timespec current;
2641 xtime expire;
2642
2643 EGLint ret = EGL_CONDITION_SATISFIED_KHR;
2644
2645 /* The EGL_KHR_fence_sync spec states:
2646 *
2647 * "If no context is current for the bound API,
2648 * the EGL_SYNC_FLUSH_COMMANDS_BIT_KHR bit is ignored.
2649 */
2650 if (dri2_ctx && flags & EGL_SYNC_FLUSH_COMMANDS_BIT_KHR)
2651 wait_flags |= __DRI2_FENCE_FLAG_FLUSH_COMMANDS;
2652
2653 /* the sync object should take a reference while waiting */
2654 dri2_egl_ref_sync(dri2_sync);
2655
2656 switch (sync->Type) {
2657 case EGL_SYNC_FENCE_KHR:
2658 case EGL_SYNC_CL_EVENT_KHR:
2659 if (dri2_dpy->fence->client_wait_sync(dri2_ctx ? dri2_ctx->dri_context : NULL,
2660 dri2_sync->fence, wait_flags,
2661 timeout))
2662 dri2_sync->base.SyncStatus = EGL_SIGNALED_KHR;
2663 else
2664 ret = EGL_TIMEOUT_EXPIRED_KHR;
2665 break;
2666
2667 case EGL_SYNC_REUSABLE_KHR:
2668 if (dri2_ctx && dri2_sync->base.SyncStatus == EGL_UNSIGNALED_KHR &&
2669 (flags & EGL_SYNC_FLUSH_COMMANDS_BIT_KHR)) {
2670 /* flush context if EGL_SYNC_FLUSH_COMMANDS_BIT_KHR is set */
2671 if (dri2_drv->glFlush)
2672 dri2_drv->glFlush();
2673 }
2674
2675 /* if timeout is EGL_FOREVER_KHR, it should wait without any timeout.*/
2676 if (timeout == EGL_FOREVER_KHR) {
2677 mtx_lock(&dri2_sync->mutex);
2678 cnd_wait(&dri2_sync->cond, &dri2_sync->mutex);
2679 mtx_unlock(&dri2_sync->mutex);
2680 } else {
2681 /* if reusable sync has not been yet signaled */
2682 if (dri2_sync->base.SyncStatus != EGL_SIGNALED_KHR) {
2683 clock_gettime(CLOCK_MONOTONIC, &current);
2684
2685 /* calculating when to expire */
2686 expire.nsec = timeout % 1000000000L;
2687 expire.sec = timeout / 1000000000L;
2688
2689 expire.nsec += current.tv_nsec;
2690 expire.sec += current.tv_sec;
2691
2692 /* expire.nsec now is a number between 0 and 1999999998 */
2693 if (expire.nsec > 999999999L) {
2694 expire.sec++;
2695 expire.nsec -= 1000000000L;
2696 }
2697
2698 mtx_lock(&dri2_sync->mutex);
2699 ret = cnd_timedwait(&dri2_sync->cond, &dri2_sync->mutex, &expire);
2700 mtx_unlock(&dri2_sync->mutex);
2701
2702 if (ret == thrd_busy) {
2703 if (dri2_sync->base.SyncStatus == EGL_UNSIGNALED_KHR) {
2704 ret = EGL_TIMEOUT_EXPIRED_KHR;
2705 } else {
2706 _eglError(EGL_BAD_ACCESS, "eglClientWaitSyncKHR");
2707 ret = EGL_FALSE;
2708 }
2709 }
2710 }
2711 }
2712 break;
2713 }
2714 dri2_egl_unref_sync(dri2_dpy, dri2_sync);
2715
2716 return ret;
2717 }
2718
2719 static EGLBoolean
2720 dri2_signal_sync(_EGLDriver *drv, _EGLDisplay *dpy, _EGLSync *sync,
2721 EGLenum mode)
2722 {
2723 struct dri2_egl_sync *dri2_sync = dri2_egl_sync(sync);
2724 EGLint ret;
2725
2726 if (sync->Type != EGL_SYNC_REUSABLE_KHR) {
2727 _eglError(EGL_BAD_MATCH, "eglSignalSyncKHR");
2728 return EGL_FALSE;
2729 }
2730
2731 if (mode != EGL_SIGNALED_KHR && mode != EGL_UNSIGNALED_KHR) {
2732 _eglError(EGL_BAD_ATTRIBUTE, "eglSignalSyncKHR");
2733 return EGL_FALSE;
2734 }
2735
2736 dri2_sync->base.SyncStatus = mode;
2737
2738 if (mode == EGL_SIGNALED_KHR) {
2739 ret = cnd_broadcast(&dri2_sync->cond);
2740
2741 /* fail to broadcast */
2742 if (ret) {
2743 _eglError(EGL_BAD_ACCESS, "eglSignalSyncKHR");
2744 return EGL_FALSE;
2745 }
2746 }
2747
2748 return EGL_TRUE;
2749 }
2750
2751 static EGLint
2752 dri2_server_wait_sync(_EGLDriver *drv, _EGLDisplay *dpy, _EGLSync *sync)
2753 {
2754 _EGLContext *ctx = _eglGetCurrentContext();
2755 struct dri2_egl_display *dri2_dpy = dri2_egl_display(dpy);
2756 struct dri2_egl_context *dri2_ctx = dri2_egl_context(ctx);
2757 struct dri2_egl_sync *dri2_sync = dri2_egl_sync(sync);
2758
2759 dri2_dpy->fence->server_wait_sync(dri2_ctx->dri_context,
2760 dri2_sync->fence, 0);
2761 return EGL_TRUE;
2762 }
2763
2764 static int
2765 dri2_interop_query_device_info(_EGLDisplay *dpy, _EGLContext *ctx,
2766 struct mesa_glinterop_device_info *out)
2767 {
2768 struct dri2_egl_display *dri2_dpy = dri2_egl_display(dpy);
2769 struct dri2_egl_context *dri2_ctx = dri2_egl_context(ctx);
2770
2771 if (!dri2_dpy->interop)
2772 return MESA_GLINTEROP_UNSUPPORTED;
2773
2774 return dri2_dpy->interop->query_device_info(dri2_ctx->dri_context, out);
2775 }
2776
2777 static int
2778 dri2_interop_export_object(_EGLDisplay *dpy, _EGLContext *ctx,
2779 struct mesa_glinterop_export_in *in,
2780 struct mesa_glinterop_export_out *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->export_object(dri2_ctx->dri_context, in, out);
2789 }
2790
2791 static void
2792 dri2_unload(_EGLDriver *drv)
2793 {
2794 struct dri2_egl_driver *dri2_drv = dri2_egl_driver(drv);
2795
2796 if (dri2_drv->handle)
2797 dlclose(dri2_drv->handle);
2798 free(dri2_drv);
2799 }
2800
2801 static EGLBoolean
2802 dri2_load(_EGLDriver *drv)
2803 {
2804 struct dri2_egl_driver *dri2_drv = dri2_egl_driver(drv);
2805 #ifdef HAVE_ANDROID_PLATFORM
2806 const char *libname = "libglapi.so";
2807 #elif defined(__APPLE__)
2808 const char *libname = "libglapi.0.dylib";
2809 #elif defined(__CYGWIN__)
2810 const char *libname = "cygglapi-0.dll";
2811 #else
2812 const char *libname = "libglapi.so.0";
2813 #endif
2814 void *handle;
2815
2816 /* RTLD_GLOBAL to make sure glapi symbols are visible to DRI drivers */
2817 handle = dlopen(libname, RTLD_LAZY | RTLD_GLOBAL);
2818 if (handle) {
2819 dri2_drv->get_proc_address = (_EGLProc (*)(const char *))
2820 dlsym(handle, "_glapi_get_proc_address");
2821 if (!dri2_drv->get_proc_address || !libname) {
2822 /* no need to keep a reference */
2823 dlclose(handle);
2824 handle = NULL;
2825 }
2826 }
2827
2828 /* if glapi is not available, loading DRI drivers will fail */
2829 if (!dri2_drv->get_proc_address) {
2830 _eglLog(_EGL_WARNING, "DRI2: failed to find _glapi_get_proc_address");
2831 return EGL_FALSE;
2832 }
2833
2834 dri2_drv->glFlush = (void (*)(void))
2835 dri2_drv->get_proc_address("glFlush");
2836
2837 dri2_drv->handle = handle;
2838
2839 return EGL_TRUE;
2840 }
2841
2842 /**
2843 * This is the main entrypoint into the driver, called by libEGL.
2844 * Create a new _EGLDriver object and init its dispatch table.
2845 */
2846 _EGLDriver *
2847 _eglBuiltInDriverDRI2(const char *args)
2848 {
2849 struct dri2_egl_driver *dri2_drv;
2850
2851 (void) args;
2852
2853 dri2_drv = calloc(1, sizeof *dri2_drv);
2854 if (!dri2_drv)
2855 return NULL;
2856
2857 if (!dri2_load(&dri2_drv->base)) {
2858 free(dri2_drv);
2859 return NULL;
2860 }
2861
2862 _eglInitDriverFallbacks(&dri2_drv->base);
2863 dri2_drv->base.API.Initialize = dri2_initialize;
2864 dri2_drv->base.API.Terminate = dri2_terminate;
2865 dri2_drv->base.API.CreateContext = dri2_create_context;
2866 dri2_drv->base.API.DestroyContext = dri2_destroy_context;
2867 dri2_drv->base.API.MakeCurrent = dri2_make_current;
2868 dri2_drv->base.API.CreateWindowSurface = dri2_create_window_surface;
2869 dri2_drv->base.API.CreatePixmapSurface = dri2_create_pixmap_surface;
2870 dri2_drv->base.API.CreatePbufferSurface = dri2_create_pbuffer_surface;
2871 dri2_drv->base.API.DestroySurface = dri2_destroy_surface;
2872 dri2_drv->base.API.GetProcAddress = dri2_get_proc_address;
2873 dri2_drv->base.API.WaitClient = dri2_wait_client;
2874 dri2_drv->base.API.WaitNative = dri2_wait_native;
2875 dri2_drv->base.API.BindTexImage = dri2_bind_tex_image;
2876 dri2_drv->base.API.ReleaseTexImage = dri2_release_tex_image;
2877 dri2_drv->base.API.SwapInterval = dri2_swap_interval;
2878 dri2_drv->base.API.SwapBuffers = dri2_swap_buffers;
2879 dri2_drv->base.API.SwapBuffersWithDamageEXT = dri2_swap_buffers_with_damage;
2880 dri2_drv->base.API.SwapBuffersRegionNOK = dri2_swap_buffers_region;
2881 dri2_drv->base.API.PostSubBufferNV = dri2_post_sub_buffer;
2882 dri2_drv->base.API.CopyBuffers = dri2_copy_buffers,
2883 dri2_drv->base.API.QueryBufferAge = dri2_query_buffer_age;
2884 dri2_drv->base.API.CreateImageKHR = dri2_create_image;
2885 dri2_drv->base.API.DestroyImageKHR = dri2_destroy_image_khr;
2886 dri2_drv->base.API.CreateWaylandBufferFromImageWL = dri2_create_wayland_buffer_from_image;
2887 dri2_drv->base.API.QuerySurface = dri2_query_surface;
2888 #ifdef HAVE_LIBDRM
2889 dri2_drv->base.API.CreateDRMImageMESA = dri2_create_drm_image_mesa;
2890 dri2_drv->base.API.ExportDRMImageMESA = dri2_export_drm_image_mesa;
2891 dri2_drv->base.API.ExportDMABUFImageQueryMESA = dri2_export_dma_buf_image_query_mesa;
2892 dri2_drv->base.API.ExportDMABUFImageMESA = dri2_export_dma_buf_image_mesa;
2893 #endif
2894 #ifdef HAVE_WAYLAND_PLATFORM
2895 dri2_drv->base.API.BindWaylandDisplayWL = dri2_bind_wayland_display_wl;
2896 dri2_drv->base.API.UnbindWaylandDisplayWL = dri2_unbind_wayland_display_wl;
2897 dri2_drv->base.API.QueryWaylandBufferWL = dri2_query_wayland_buffer_wl;
2898 #endif
2899 dri2_drv->base.API.GetSyncValuesCHROMIUM = dri2_get_sync_values_chromium;
2900 dri2_drv->base.API.CreateSyncKHR = dri2_create_sync;
2901 dri2_drv->base.API.ClientWaitSyncKHR = dri2_client_wait_sync;
2902 dri2_drv->base.API.SignalSyncKHR = dri2_signal_sync;
2903 dri2_drv->base.API.WaitSyncKHR = dri2_server_wait_sync;
2904 dri2_drv->base.API.DestroySyncKHR = dri2_destroy_sync;
2905 dri2_drv->base.API.GLInteropQueryDeviceInfo = dri2_interop_query_device_info;
2906 dri2_drv->base.API.GLInteropExportObject = dri2_interop_export_object;
2907
2908 dri2_drv->base.Name = "DRI2";
2909 dri2_drv->base.Unload = dri2_unload;
2910
2911 return &dri2_drv->base;
2912 }