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