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egl: refactor dri2_create_screen() into three separate functions
[mesa.git] / src / egl / drivers / dri2 / egl_dri2.c
1 /*
2 * Copyright © 2010 Intel Corporation
3 *
4 * Permission is hereby granted, free of charge, to any person obtaining a
5 * copy of this software and associated documentation files (the "Software"),
6 * to deal in the Software without restriction, including without limitation
7 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
8 * and/or sell copies of the Software, and to permit persons to whom the
9 * Software is furnished to do so, subject to the following conditions:
10 *
11 * The above copyright notice and this permission notice (including the next
12 * paragraph) shall be included in all copies or substantial portions of the
13 * Software.
14 *
15 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
16 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
17 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
18 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
19 * HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
20 * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
21 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
22 * DEALINGS IN THE SOFTWARE.
23 *
24 * Authors:
25 * Kristian Høgsberg <krh@bitplanet.net>
26 */
27
28 #define WL_HIDE_DEPRECATED
29
30 #include <stdbool.h>
31 #include <stdint.h>
32 #include <stdbool.h>
33 #include <stdlib.h>
34 #include <string.h>
35 #include <stdio.h>
36 #include <limits.h>
37 #include <dlfcn.h>
38 #include <fcntl.h>
39 #include <errno.h>
40 #include <unistd.h>
41 #include <c11/threads.h>
42 #include <time.h>
43 #ifdef HAVE_LIBDRM
44 #include <xf86drm.h>
45 #include <drm_fourcc.h>
46 #endif
47 #include <GL/gl.h>
48 #include <GL/internal/dri_interface.h>
49 #include "GL/mesa_glinterop.h"
50 #include <sys/types.h>
51 #include <sys/stat.h>
52
53 #ifdef HAVE_WAYLAND_PLATFORM
54 #include "wayland-drm.h"
55 #include "wayland-drm-client-protocol.h"
56 #endif
57
58 #include "egl_dri2.h"
59 #include "loader/loader.h"
60 #include "util/u_atomic.h"
61
62 /* The kernel header drm_fourcc.h defines the DRM formats below. We duplicate
63 * some of the definitions here so that building Mesa won't bleeding-edge
64 * kernel headers.
65 */
66 #ifndef DRM_FORMAT_R8
67 #define DRM_FORMAT_R8 fourcc_code('R', '8', ' ', ' ') /* [7:0] R */
68 #endif
69
70 #ifndef DRM_FORMAT_RG88
71 #define DRM_FORMAT_RG88 fourcc_code('R', 'G', '8', '8') /* [15:0] R:G 8:8 little endian */
72 #endif
73
74 #ifndef DRM_FORMAT_GR88
75 #define DRM_FORMAT_GR88 fourcc_code('G', 'R', '8', '8') /* [15:0] G:R 8:8 little endian */
76 #endif
77
78 #ifndef DRM_FORMAT_R16
79 #define DRM_FORMAT_R16 fourcc_code('R', '1', '6', ' ') /* [15:0] R 16 little endian */
80 #endif
81
82 #ifndef DRM_FORMAT_GR1616
83 #define DRM_FORMAT_GR1616 fourcc_code('G', 'R', '3', '2') /* [31:0] R:G 16:16 little endian */
84 #endif
85
86 static void
87 dri_set_background_context(void *loaderPrivate)
88 {
89 _EGLContext *ctx = _eglGetCurrentContext();
90 _EGLThreadInfo *t = _eglGetCurrentThread();
91
92 _eglBindContextToThread(ctx, t);
93 }
94
95 const __DRIbackgroundCallableExtension background_callable_extension = {
96 .base = { __DRI_BACKGROUND_CALLABLE, 1 },
97
98 .setBackgroundContext = dri_set_background_context,
99 };
100
101 const __DRIuseInvalidateExtension use_invalidate = {
102 .base = { __DRI_USE_INVALIDATE, 1 }
103 };
104
105 static const EGLint dri2_to_egl_attribute_map[__DRI_ATTRIB_MAX] = {
106 [__DRI_ATTRIB_BUFFER_SIZE ] = EGL_BUFFER_SIZE,
107 [__DRI_ATTRIB_LEVEL] = EGL_LEVEL,
108 [__DRI_ATTRIB_RED_SIZE] = EGL_RED_SIZE,
109 [__DRI_ATTRIB_GREEN_SIZE] = EGL_GREEN_SIZE,
110 [__DRI_ATTRIB_BLUE_SIZE] = EGL_BLUE_SIZE,
111 [__DRI_ATTRIB_LUMINANCE_SIZE] = EGL_LUMINANCE_SIZE,
112 [__DRI_ATTRIB_ALPHA_SIZE] = EGL_ALPHA_SIZE,
113 [__DRI_ATTRIB_DEPTH_SIZE] = EGL_DEPTH_SIZE,
114 [__DRI_ATTRIB_STENCIL_SIZE] = EGL_STENCIL_SIZE,
115 [__DRI_ATTRIB_SAMPLE_BUFFERS] = EGL_SAMPLE_BUFFERS,
116 [__DRI_ATTRIB_SAMPLES] = EGL_SAMPLES,
117 [__DRI_ATTRIB_MAX_PBUFFER_WIDTH] = EGL_MAX_PBUFFER_WIDTH,
118 [__DRI_ATTRIB_MAX_PBUFFER_HEIGHT] = EGL_MAX_PBUFFER_HEIGHT,
119 [__DRI_ATTRIB_MAX_PBUFFER_PIXELS] = EGL_MAX_PBUFFER_PIXELS,
120 [__DRI_ATTRIB_MAX_SWAP_INTERVAL] = EGL_MAX_SWAP_INTERVAL,
121 [__DRI_ATTRIB_MIN_SWAP_INTERVAL] = EGL_MIN_SWAP_INTERVAL,
122 [__DRI_ATTRIB_YINVERTED] = EGL_Y_INVERTED_NOK,
123 };
124
125 const __DRIconfig *
126 dri2_get_dri_config(struct dri2_egl_config *conf, EGLint surface_type,
127 EGLenum colorspace)
128 {
129 const bool srgb = colorspace == EGL_GL_COLORSPACE_SRGB_KHR;
130
131 return surface_type == EGL_WINDOW_BIT ? conf->dri_double_config[srgb] :
132 conf->dri_single_config[srgb];
133 }
134
135 static EGLBoolean
136 dri2_match_config(const _EGLConfig *conf, const _EGLConfig *criteria)
137 {
138 if (_eglCompareConfigs(conf, criteria, NULL, EGL_FALSE) != 0)
139 return EGL_FALSE;
140
141 if (!_eglMatchConfig(conf, criteria))
142 return EGL_FALSE;
143
144 return EGL_TRUE;
145 }
146
147 struct dri2_egl_config *
148 dri2_add_config(_EGLDisplay *disp, const __DRIconfig *dri_config, int id,
149 EGLint surface_type, const EGLint *attr_list,
150 const unsigned int *rgba_masks)
151 {
152 struct dri2_egl_config *conf;
153 struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
154 _EGLConfig base;
155 unsigned int attrib, value, double_buffer;
156 bool srgb = false;
157 EGLint key, bind_to_texture_rgb, bind_to_texture_rgba;
158 unsigned int dri_masks[4] = { 0, 0, 0, 0 };
159 _EGLConfig *matching_config;
160 EGLint num_configs = 0;
161 EGLint config_id;
162 int i;
163
164 _eglInitConfig(&base, disp, id);
165
166 i = 0;
167 double_buffer = 0;
168 bind_to_texture_rgb = 0;
169 bind_to_texture_rgba = 0;
170
171 while (dri2_dpy->core->indexConfigAttrib(dri_config, i++, &attrib, &value)) {
172 switch (attrib) {
173 case __DRI_ATTRIB_RENDER_TYPE:
174 if (value & __DRI_ATTRIB_RGBA_BIT)
175 value = EGL_RGB_BUFFER;
176 else if (value & __DRI_ATTRIB_LUMINANCE_BIT)
177 value = EGL_LUMINANCE_BUFFER;
178 else
179 return NULL;
180 _eglSetConfigKey(&base, EGL_COLOR_BUFFER_TYPE, value);
181 break;
182
183 case __DRI_ATTRIB_CONFIG_CAVEAT:
184 if (value & __DRI_ATTRIB_NON_CONFORMANT_CONFIG)
185 value = EGL_NON_CONFORMANT_CONFIG;
186 else if (value & __DRI_ATTRIB_SLOW_BIT)
187 value = EGL_SLOW_CONFIG;
188 else
189 value = EGL_NONE;
190 _eglSetConfigKey(&base, EGL_CONFIG_CAVEAT, value);
191 break;
192
193 case __DRI_ATTRIB_BIND_TO_TEXTURE_RGB:
194 bind_to_texture_rgb = value;
195 break;
196
197 case __DRI_ATTRIB_BIND_TO_TEXTURE_RGBA:
198 bind_to_texture_rgba = value;
199 break;
200
201 case __DRI_ATTRIB_DOUBLE_BUFFER:
202 double_buffer = value;
203 break;
204
205 case __DRI_ATTRIB_RED_MASK:
206 dri_masks[0] = value;
207 break;
208
209 case __DRI_ATTRIB_GREEN_MASK:
210 dri_masks[1] = value;
211 break;
212
213 case __DRI_ATTRIB_BLUE_MASK:
214 dri_masks[2] = value;
215 break;
216
217 case __DRI_ATTRIB_ALPHA_MASK:
218 dri_masks[3] = value;
219 break;
220
221 case __DRI_ATTRIB_ACCUM_RED_SIZE:
222 case __DRI_ATTRIB_ACCUM_GREEN_SIZE:
223 case __DRI_ATTRIB_ACCUM_BLUE_SIZE:
224 case __DRI_ATTRIB_ACCUM_ALPHA_SIZE:
225 /* Don't expose visuals with the accumulation buffer. */
226 if (value > 0)
227 return NULL;
228 break;
229
230 case __DRI_ATTRIB_FRAMEBUFFER_SRGB_CAPABLE:
231 srgb = value != 0;
232 if (!disp->Extensions.KHR_gl_colorspace && srgb)
233 return NULL;
234 break;
235
236 case __DRI_ATTRIB_MAX_PBUFFER_WIDTH:
237 _eglSetConfigKey(&base, EGL_MAX_PBUFFER_WIDTH,
238 _EGL_MAX_PBUFFER_WIDTH);
239 break;
240 case __DRI_ATTRIB_MAX_PBUFFER_HEIGHT:
241 _eglSetConfigKey(&base, EGL_MAX_PBUFFER_HEIGHT,
242 _EGL_MAX_PBUFFER_HEIGHT);
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 const 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 const 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 const 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 const 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 const 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 const struct dri2_extension_match optional_core_extensions[] = {
400 { __DRI2_ROBUSTNESS, 1, offsetof(struct dri2_egl_display, robustness) },
401 { __DRI2_CONFIG_QUERY, 1, offsetof(struct dri2_egl_display, config) },
402 { __DRI2_FENCE, 1, offsetof(struct dri2_egl_display, fence) },
403 { __DRI2_RENDERER_QUERY, 1, offsetof(struct dri2_egl_display, rendererQuery) },
404 { __DRI2_INTEROP, 1, offsetof(struct dri2_egl_display, interop) },
405 { NULL, 0, 0 }
406 };
407
408 static EGLBoolean
409 dri2_bind_extensions(struct dri2_egl_display *dri2_dpy,
410 const struct dri2_extension_match *matches,
411 const __DRIextension **extensions,
412 bool optional)
413 {
414 int i, j, ret = EGL_TRUE;
415 void *field;
416
417 for (i = 0; extensions[i]; i++) {
418 _eglLog(_EGL_DEBUG, "found extension `%s'", extensions[i]->name);
419 for (j = 0; matches[j].name; j++) {
420 if (strcmp(extensions[i]->name, matches[j].name) == 0 &&
421 extensions[i]->version >= matches[j].version) {
422 field = ((char *) dri2_dpy + matches[j].offset);
423 *(const __DRIextension **) field = extensions[i];
424 _eglLog(_EGL_INFO, "found extension %s version %d",
425 extensions[i]->name, extensions[i]->version);
426 break;
427 }
428 }
429 }
430
431 for (j = 0; matches[j].name; j++) {
432 field = ((char *) dri2_dpy + matches[j].offset);
433 if (*(const __DRIextension **) field == NULL) {
434 if (optional) {
435 _eglLog(_EGL_DEBUG, "did not find optional extension %s version %d",
436 matches[j].name, matches[j].version);
437 } else {
438 _eglLog(_EGL_WARNING, "did not find extension %s version %d",
439 matches[j].name, matches[j].version);
440 ret = EGL_FALSE;
441 }
442 }
443 }
444
445 return ret;
446 }
447
448 static const __DRIextension **
449 dri2_open_driver(_EGLDisplay *disp)
450 {
451 struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
452 const __DRIextension **extensions = NULL;
453 char path[PATH_MAX], *search_paths, *p, *next, *end;
454 char *get_extensions_name;
455 const __DRIextension **(*get_extensions)(void);
456
457 search_paths = NULL;
458 if (geteuid() == getuid()) {
459 /* don't allow setuid apps to use LIBGL_DRIVERS_PATH */
460 search_paths = getenv("LIBGL_DRIVERS_PATH");
461 }
462 if (search_paths == NULL)
463 search_paths = DEFAULT_DRIVER_DIR;
464
465 dri2_dpy->driver = NULL;
466 end = search_paths + strlen(search_paths);
467 for (p = search_paths; p < end; p = next + 1) {
468 int len;
469 next = strchr(p, ':');
470 if (next == NULL)
471 next = end;
472
473 len = next - p;
474 #if GLX_USE_TLS
475 snprintf(path, sizeof path,
476 "%.*s/tls/%s_dri.so", len, p, dri2_dpy->driver_name);
477 dri2_dpy->driver = dlopen(path, RTLD_NOW | RTLD_GLOBAL);
478 #endif
479 if (dri2_dpy->driver == NULL) {
480 snprintf(path, sizeof path,
481 "%.*s/%s_dri.so", len, p, dri2_dpy->driver_name);
482 dri2_dpy->driver = dlopen(path, RTLD_NOW | RTLD_GLOBAL);
483 if (dri2_dpy->driver == NULL)
484 _eglLog(_EGL_DEBUG, "failed to open %s: %s\n", path, dlerror());
485 }
486 /* not need continue to loop all paths once the driver is found */
487 if (dri2_dpy->driver != NULL)
488 break;
489
490 #ifdef ANDROID
491 snprintf(path, sizeof path, "%.*s/gallium_dri.so", len, p);
492 dri2_dpy->driver = dlopen(path, RTLD_NOW | RTLD_GLOBAL);
493 if (dri2_dpy->driver == NULL)
494 _eglLog(_EGL_DEBUG, "failed to open %s: %s\n", path, dlerror());
495 else
496 break;
497 #endif
498 }
499
500 if (dri2_dpy->driver == NULL) {
501 _eglLog(_EGL_WARNING,
502 "DRI2: failed to open %s (search paths %s)",
503 dri2_dpy->driver_name, search_paths);
504 return NULL;
505 }
506
507 _eglLog(_EGL_DEBUG, "DRI2: dlopen(%s)", path);
508
509 get_extensions_name = loader_get_extensions_name(dri2_dpy->driver_name);
510 if (get_extensions_name) {
511 get_extensions = dlsym(dri2_dpy->driver, get_extensions_name);
512 if (get_extensions) {
513 extensions = get_extensions();
514 } else {
515 _eglLog(_EGL_DEBUG, "driver does not expose %s(): %s\n",
516 get_extensions_name, dlerror());
517 }
518 free(get_extensions_name);
519 }
520
521 if (!extensions)
522 extensions = dlsym(dri2_dpy->driver, __DRI_DRIVER_EXTENSIONS);
523 if (extensions == NULL) {
524 _eglLog(_EGL_WARNING,
525 "DRI2: driver exports no extensions (%s)", dlerror());
526 dlclose(dri2_dpy->driver);
527 }
528
529 return extensions;
530 }
531
532 EGLBoolean
533 dri2_load_driver_dri3(_EGLDisplay *disp)
534 {
535 struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
536 const __DRIextension **extensions;
537
538 extensions = dri2_open_driver(disp);
539 if (!extensions)
540 return EGL_FALSE;
541
542 if (!dri2_bind_extensions(dri2_dpy, dri3_driver_extensions, extensions, false)) {
543 dlclose(dri2_dpy->driver);
544 return EGL_FALSE;
545 }
546 dri2_dpy->driver_extensions = extensions;
547
548 return EGL_TRUE;
549 }
550
551 EGLBoolean
552 dri2_load_driver(_EGLDisplay *disp)
553 {
554 struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
555 const __DRIextension **extensions;
556
557 extensions = dri2_open_driver(disp);
558 if (!extensions)
559 return EGL_FALSE;
560
561 if (!dri2_bind_extensions(dri2_dpy, dri2_driver_extensions, extensions, false)) {
562 dlclose(dri2_dpy->driver);
563 return EGL_FALSE;
564 }
565 dri2_dpy->driver_extensions = extensions;
566
567 return EGL_TRUE;
568 }
569
570 EGLBoolean
571 dri2_load_driver_swrast(_EGLDisplay *disp)
572 {
573 struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
574 const __DRIextension **extensions;
575
576 extensions = dri2_open_driver(disp);
577 if (!extensions)
578 return EGL_FALSE;
579
580 if (!dri2_bind_extensions(dri2_dpy, swrast_driver_extensions, extensions, false)) {
581 dlclose(dri2_dpy->driver);
582 return EGL_FALSE;
583 }
584 dri2_dpy->driver_extensions = extensions;
585
586 return EGL_TRUE;
587 }
588
589 static unsigned
590 dri2_renderer_query_integer(struct dri2_egl_display *dri2_dpy, int param)
591 {
592 const __DRI2rendererQueryExtension *rendererQuery = dri2_dpy->rendererQuery;
593 unsigned int value = 0;
594
595 if (!rendererQuery ||
596 rendererQuery->queryInteger(dri2_dpy->dri_screen, param, &value) == -1)
597 return 0;
598
599 return value;
600 }
601
602 void
603 dri2_setup_screen(_EGLDisplay *disp)
604 {
605 struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
606 unsigned int api_mask;
607
608 if (dri2_dpy->image_driver) {
609 api_mask = dri2_dpy->image_driver->getAPIMask(dri2_dpy->dri_screen);
610 } else if (dri2_dpy->dri2) {
611 api_mask = dri2_dpy->dri2->getAPIMask(dri2_dpy->dri_screen);
612 } else {
613 assert(dri2_dpy->swrast);
614 api_mask = 1 << __DRI_API_OPENGL |
615 1 << __DRI_API_GLES |
616 1 << __DRI_API_GLES2 |
617 1 << __DRI_API_GLES3;
618 }
619
620 disp->ClientAPIs = 0;
621 if ((api_mask & (1 <<__DRI_API_OPENGL)) && _eglIsApiValid(EGL_OPENGL_API))
622 disp->ClientAPIs |= EGL_OPENGL_BIT;
623 if ((api_mask & (1 << __DRI_API_GLES)) && _eglIsApiValid(EGL_OPENGL_ES_API))
624 disp->ClientAPIs |= EGL_OPENGL_ES_BIT;
625 if ((api_mask & (1 << __DRI_API_GLES2)) && _eglIsApiValid(EGL_OPENGL_ES_API))
626 disp->ClientAPIs |= EGL_OPENGL_ES2_BIT;
627 if ((api_mask & (1 << __DRI_API_GLES3)) && _eglIsApiValid(EGL_OPENGL_ES_API))
628 disp->ClientAPIs |= EGL_OPENGL_ES3_BIT_KHR;
629
630 assert(dri2_dpy->image_driver || dri2_dpy->dri2 || dri2_dpy->swrast);
631 disp->Extensions.KHR_no_config_context = EGL_TRUE;
632 disp->Extensions.KHR_surfaceless_context = EGL_TRUE;
633
634 if (dri2_renderer_query_integer(dri2_dpy,
635 __DRI2_RENDERER_HAS_FRAMEBUFFER_SRGB))
636 disp->Extensions.KHR_gl_colorspace = EGL_TRUE;
637
638 if (dri2_dpy->image_driver ||
639 (dri2_dpy->dri2 && dri2_dpy->dri2->base.version >= 3) ||
640 (dri2_dpy->swrast && dri2_dpy->swrast->base.version >= 3)) {
641 disp->Extensions.KHR_create_context = EGL_TRUE;
642
643 if (dri2_dpy->robustness)
644 disp->Extensions.EXT_create_context_robustness = EGL_TRUE;
645 }
646
647 if (dri2_dpy->fence) {
648 disp->Extensions.KHR_fence_sync = EGL_TRUE;
649 disp->Extensions.KHR_wait_sync = EGL_TRUE;
650 if (dri2_dpy->fence->get_fence_from_cl_event)
651 disp->Extensions.KHR_cl_event2 = EGL_TRUE;
652 if (dri2_dpy->fence->base.version >= 2) {
653 unsigned capabilities =
654 dri2_dpy->fence->get_capabilities(dri2_dpy->dri_screen);
655 disp->Extensions.ANDROID_native_fence_sync =
656 (capabilities & __DRI_FENCE_CAP_NATIVE_FD) != 0;
657 }
658 }
659
660 disp->Extensions.KHR_reusable_sync = EGL_TRUE;
661
662 if (dri2_dpy->image) {
663 if (dri2_dpy->image->base.version >= 10 &&
664 dri2_dpy->image->getCapabilities != NULL) {
665 int capabilities;
666
667 capabilities = dri2_dpy->image->getCapabilities(dri2_dpy->dri_screen);
668 disp->Extensions.MESA_drm_image = (capabilities & __DRI_IMAGE_CAP_GLOBAL_NAMES) != 0;
669
670 if (dri2_dpy->image->base.version >= 11)
671 disp->Extensions.MESA_image_dma_buf_export = EGL_TRUE;
672 } else {
673 disp->Extensions.MESA_drm_image = EGL_TRUE;
674 if (dri2_dpy->image->base.version >= 11)
675 disp->Extensions.MESA_image_dma_buf_export = EGL_TRUE;
676 }
677
678 disp->Extensions.KHR_image_base = EGL_TRUE;
679 disp->Extensions.KHR_gl_renderbuffer_image = EGL_TRUE;
680 if (dri2_dpy->image->base.version >= 5 &&
681 dri2_dpy->image->createImageFromTexture) {
682 disp->Extensions.KHR_gl_texture_2D_image = EGL_TRUE;
683 disp->Extensions.KHR_gl_texture_cubemap_image = EGL_TRUE;
684 }
685 if (dri2_renderer_query_integer(dri2_dpy,
686 __DRI2_RENDERER_HAS_TEXTURE_3D))
687 disp->Extensions.KHR_gl_texture_3D_image = EGL_TRUE;
688 #ifdef HAVE_LIBDRM
689 if (dri2_dpy->image->base.version >= 8 &&
690 dri2_dpy->image->createImageFromDmaBufs) {
691 disp->Extensions.EXT_image_dma_buf_import = EGL_TRUE;
692 }
693 #endif
694 }
695 }
696
697 /* All platforms but DRM call this function to create the screen and populate
698 * the driver_configs. DRM inherits that information from its display - GBM.
699 */
700 EGLBoolean
701 dri2_create_screen(_EGLDisplay *disp)
702 {
703 struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
704
705 if (dri2_dpy->image_driver) {
706 dri2_dpy->dri_screen =
707 dri2_dpy->image_driver->createNewScreen2(0, dri2_dpy->fd,
708 dri2_dpy->loader_extensions,
709 dri2_dpy->driver_extensions,
710 &dri2_dpy->driver_configs,
711 disp);
712 } else if (dri2_dpy->dri2) {
713 if (dri2_dpy->dri2->base.version >= 4) {
714 dri2_dpy->dri_screen =
715 dri2_dpy->dri2->createNewScreen2(0, dri2_dpy->fd,
716 dri2_dpy->loader_extensions,
717 dri2_dpy->driver_extensions,
718 &dri2_dpy->driver_configs, disp);
719 } else {
720 dri2_dpy->dri_screen =
721 dri2_dpy->dri2->createNewScreen(0, dri2_dpy->fd,
722 dri2_dpy->loader_extensions,
723 &dri2_dpy->driver_configs, disp);
724 }
725 } else {
726 assert(dri2_dpy->swrast);
727 if (dri2_dpy->swrast->base.version >= 4) {
728 dri2_dpy->dri_screen =
729 dri2_dpy->swrast->createNewScreen2(0, dri2_dpy->loader_extensions,
730 dri2_dpy->driver_extensions,
731 &dri2_dpy->driver_configs, disp);
732 } else {
733 dri2_dpy->dri_screen =
734 dri2_dpy->swrast->createNewScreen(0, dri2_dpy->loader_extensions,
735 &dri2_dpy->driver_configs, disp);
736 }
737 }
738
739 if (dri2_dpy->dri_screen == NULL) {
740 _eglLog(_EGL_WARNING, "DRI2: failed to create dri screen");
741 return EGL_FALSE;
742 }
743
744 dri2_dpy->own_dri_screen = 1;
745 return EGL_TRUE;
746 }
747
748 EGLBoolean
749 dri2_setup_extensions(_EGLDisplay *disp)
750 {
751 struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
752 const struct dri2_extension_match *mandatory_core_extensions;
753 const __DRIextension **extensions;
754
755 extensions = dri2_dpy->core->getExtensions(dri2_dpy->dri_screen);
756
757 if (dri2_dpy->image_driver || dri2_dpy->dri2)
758 mandatory_core_extensions = dri2_core_extensions;
759 else
760 mandatory_core_extensions = swrast_core_extensions;
761
762 if (!dri2_bind_extensions(dri2_dpy, mandatory_core_extensions, extensions, false))
763 return EGL_FALSE;
764
765 dri2_bind_extensions(dri2_dpy, optional_core_extensions, extensions, true);
766 return EGL_TRUE;
767 }
768
769 /**
770 * Called via eglInitialize(), GLX_drv->API.Initialize().
771 *
772 * This must be guaranteed to be called exactly once, even if eglInitialize is
773 * called many times (without a eglTerminate in between).
774 */
775 static EGLBoolean
776 dri2_initialize(_EGLDriver *drv, _EGLDisplay *disp)
777 {
778 EGLBoolean ret = EGL_FALSE;
779 struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
780
781 /* In the case where the application calls eglMakeCurrent(context1),
782 * eglTerminate, then eglInitialize again (without a call to eglReleaseThread
783 * or eglMakeCurrent(NULL) before that), dri2_dpy structure is still
784 * initialized, as we need it to be able to free context1 correctly.
785 *
786 * It would probably be safest to forcibly release the display with
787 * dri2_display_release, to make sure the display is reinitialized correctly.
788 * However, the EGL spec states that we need to keep a reference to the
789 * current context (so we cannot call dri2_make_current(NULL)), and therefore
790 * we would leak context1 as we would be missing the old display connection
791 * to free it up correctly.
792 */
793 if (dri2_dpy) {
794 dri2_dpy->ref_count++;
795 return EGL_TRUE;
796 }
797
798 /* not until swrast_dri is supported */
799 if (disp->Options.UseFallback)
800 return EGL_FALSE;
801
802 /* Nothing to initialize for a test only display */
803 if (disp->Options.TestOnly)
804 return EGL_TRUE;
805
806 switch (disp->Platform) {
807 #ifdef HAVE_SURFACELESS_PLATFORM
808 case _EGL_PLATFORM_SURFACELESS:
809 ret = dri2_initialize_surfaceless(drv, disp);
810 break;
811 #endif
812 #ifdef HAVE_X11_PLATFORM
813 case _EGL_PLATFORM_X11:
814 ret = dri2_initialize_x11(drv, disp);
815 break;
816 #endif
817 #ifdef HAVE_DRM_PLATFORM
818 case _EGL_PLATFORM_DRM:
819 ret = dri2_initialize_drm(drv, disp);
820 break;
821 #endif
822 #ifdef HAVE_WAYLAND_PLATFORM
823 case _EGL_PLATFORM_WAYLAND:
824 ret = dri2_initialize_wayland(drv, disp);
825 break;
826 #endif
827 #ifdef HAVE_ANDROID_PLATFORM
828 case _EGL_PLATFORM_ANDROID:
829 ret = dri2_initialize_android(drv, disp);
830 break;
831 #endif
832 default:
833 _eglLog(_EGL_WARNING, "No EGL platform enabled.");
834 return EGL_FALSE;
835 }
836
837 if (ret) {
838 dri2_dpy = dri2_egl_display(disp);
839
840 if (!dri2_dpy) {
841 return EGL_FALSE;
842 }
843
844 dri2_dpy->ref_count++;
845 }
846
847 return ret;
848 }
849
850 /**
851 * Decrement display reference count, and free up display if necessary.
852 */
853 static void
854 dri2_display_release(_EGLDisplay *disp)
855 {
856 struct dri2_egl_display *dri2_dpy;
857
858 if (!disp)
859 return;
860
861 dri2_dpy = dri2_egl_display(disp);
862
863 assert(dri2_dpy->ref_count > 0);
864 dri2_dpy->ref_count--;
865
866 if (dri2_dpy->ref_count > 0)
867 return;
868
869 _eglCleanupDisplay(disp);
870 dri2_display_destroy(disp);
871 }
872
873 void
874 dri2_display_destroy(_EGLDisplay *disp)
875 {
876 struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
877 unsigned i;
878
879 if (dri2_dpy->own_dri_screen)
880 dri2_dpy->core->destroyScreen(dri2_dpy->dri_screen);
881 if (dri2_dpy->fd >= 0)
882 close(dri2_dpy->fd);
883 if (dri2_dpy->driver)
884 dlclose(dri2_dpy->driver);
885 free(dri2_dpy->driver_name);
886
887 #ifdef HAVE_WAYLAND_PLATFORM
888 free(dri2_dpy->device_name);
889 #endif
890
891 switch (disp->Platform) {
892 #ifdef HAVE_X11_PLATFORM
893 case _EGL_PLATFORM_X11:
894 if (dri2_dpy->own_device) {
895 xcb_disconnect(dri2_dpy->conn);
896 }
897 break;
898 #endif
899 #ifdef HAVE_DRM_PLATFORM
900 case _EGL_PLATFORM_DRM:
901 if (dri2_dpy->own_device) {
902 gbm_device_destroy(&dri2_dpy->gbm_dri->base);
903 }
904 break;
905 #endif
906 #ifdef HAVE_WAYLAND_PLATFORM
907 case _EGL_PLATFORM_WAYLAND:
908 if (dri2_dpy->wl_drm)
909 wl_drm_destroy(dri2_dpy->wl_drm);
910 if (dri2_dpy->wl_shm)
911 wl_shm_destroy(dri2_dpy->wl_shm);
912 wl_registry_destroy(dri2_dpy->wl_registry);
913 wl_event_queue_destroy(dri2_dpy->wl_queue);
914 wl_proxy_wrapper_destroy(dri2_dpy->wl_dpy_wrapper);
915 if (dri2_dpy->own_device) {
916 wl_display_disconnect(dri2_dpy->wl_dpy);
917 }
918 break;
919 #endif
920 default:
921 break;
922 }
923
924 /* The drm platform does not create the screen/driver_configs but reuses
925 * the ones from the gbm device. As such the gbm itself is responsible
926 * for the cleanup.
927 */
928 if (disp->Platform != _EGL_PLATFORM_DRM && dri2_dpy->driver_configs) {
929 for (i = 0; dri2_dpy->driver_configs[i]; i++)
930 free((__DRIconfig *) dri2_dpy->driver_configs[i]);
931 free(dri2_dpy->driver_configs);
932 }
933 free(dri2_dpy);
934 disp->DriverData = NULL;
935 }
936
937 /**
938 * Called via eglTerminate(), drv->API.Terminate().
939 *
940 * This must be guaranteed to be called exactly once, even if eglTerminate is
941 * called many times (without a eglInitialize in between).
942 */
943 static EGLBoolean
944 dri2_terminate(_EGLDriver *drv, _EGLDisplay *disp)
945 {
946 /* Release all non-current Context/Surfaces. */
947 _eglReleaseDisplayResources(drv, disp);
948
949 dri2_display_release(disp);
950
951 return EGL_TRUE;
952 }
953
954 /**
955 * Set the error code after a call to
956 * dri2_egl_display::dri2::createContextAttribs.
957 */
958 static void
959 dri2_create_context_attribs_error(int dri_error)
960 {
961 EGLint egl_error;
962
963 switch (dri_error) {
964 case __DRI_CTX_ERROR_SUCCESS:
965 return;
966
967 case __DRI_CTX_ERROR_NO_MEMORY:
968 egl_error = EGL_BAD_ALLOC;
969 break;
970
971 /* From the EGL_KHR_create_context spec, section "Errors":
972 *
973 * * If <config> does not support a client API context compatible
974 * with the requested API major and minor version, [...] context flags,
975 * and context reset notification behavior (for client API types where
976 * these attributes are supported), then an EGL_BAD_MATCH error is
977 * generated.
978 *
979 * * If an OpenGL ES context is requested and the values for
980 * attributes EGL_CONTEXT_MAJOR_VERSION_KHR and
981 * EGL_CONTEXT_MINOR_VERSION_KHR specify an OpenGL ES version that
982 * is not defined, than an EGL_BAD_MATCH error is generated.
983 *
984 * * If an OpenGL context is requested, the requested version is
985 * greater than 3.2, and the value for attribute
986 * EGL_CONTEXT_OPENGL_PROFILE_MASK_KHR has no bits set; has any
987 * bits set other than EGL_CONTEXT_OPENGL_CORE_PROFILE_BIT_KHR and
988 * EGL_CONTEXT_OPENGL_COMPATIBILITY_PROFILE_BIT_KHR; has more than
989 * one of these bits set; or if the implementation does not support
990 * the requested profile, then an EGL_BAD_MATCH error is generated.
991 */
992 case __DRI_CTX_ERROR_BAD_API:
993 case __DRI_CTX_ERROR_BAD_VERSION:
994 case __DRI_CTX_ERROR_BAD_FLAG:
995 egl_error = EGL_BAD_MATCH;
996 break;
997
998 /* From the EGL_KHR_create_context spec, section "Errors":
999 *
1000 * * If an attribute name or attribute value in <attrib_list> is not
1001 * recognized (including unrecognized bits in bitmask attributes),
1002 * then an EGL_BAD_ATTRIBUTE error is generated."
1003 */
1004 case __DRI_CTX_ERROR_UNKNOWN_ATTRIBUTE:
1005 case __DRI_CTX_ERROR_UNKNOWN_FLAG:
1006 egl_error = EGL_BAD_ATTRIBUTE;
1007 break;
1008
1009 default:
1010 assert(0);
1011 egl_error = EGL_BAD_MATCH;
1012 break;
1013 }
1014
1015 _eglError(egl_error, "dri2_create_context");
1016 }
1017
1018 static bool
1019 dri2_fill_context_attribs(struct dri2_egl_context *dri2_ctx,
1020 struct dri2_egl_display *dri2_dpy,
1021 uint32_t *ctx_attribs,
1022 unsigned *num_attribs)
1023 {
1024 int pos = 0;
1025
1026 assert(*num_attribs >= 8);
1027
1028 ctx_attribs[pos++] = __DRI_CTX_ATTRIB_MAJOR_VERSION;
1029 ctx_attribs[pos++] = dri2_ctx->base.ClientMajorVersion;
1030 ctx_attribs[pos++] = __DRI_CTX_ATTRIB_MINOR_VERSION;
1031 ctx_attribs[pos++] = dri2_ctx->base.ClientMinorVersion;
1032
1033 if (dri2_ctx->base.Flags != 0) {
1034 /* If the implementation doesn't support the __DRI2_ROBUSTNESS
1035 * extension, don't even try to send it the robust-access flag.
1036 * It may explode. Instead, generate the required EGL error here.
1037 */
1038 if ((dri2_ctx->base.Flags & EGL_CONTEXT_OPENGL_ROBUST_ACCESS_BIT_KHR) != 0
1039 && !dri2_dpy->robustness) {
1040 _eglError(EGL_BAD_MATCH, "eglCreateContext");
1041 return false;
1042 }
1043
1044 ctx_attribs[pos++] = __DRI_CTX_ATTRIB_FLAGS;
1045 ctx_attribs[pos++] = dri2_ctx->base.Flags;
1046 }
1047
1048 if (dri2_ctx->base.ResetNotificationStrategy != EGL_NO_RESET_NOTIFICATION_KHR) {
1049 /* If the implementation doesn't support the __DRI2_ROBUSTNESS
1050 * extension, don't even try to send it a reset strategy. It may
1051 * explode. Instead, generate the required EGL error here.
1052 */
1053 if (!dri2_dpy->robustness) {
1054 _eglError(EGL_BAD_CONFIG, "eglCreateContext");
1055 return false;
1056 }
1057
1058 ctx_attribs[pos++] = __DRI_CTX_ATTRIB_RESET_STRATEGY;
1059 ctx_attribs[pos++] = __DRI_CTX_RESET_LOSE_CONTEXT;
1060 }
1061
1062 *num_attribs = pos;
1063
1064 return true;
1065 }
1066
1067 /**
1068 * Called via eglCreateContext(), drv->API.CreateContext().
1069 */
1070 static _EGLContext *
1071 dri2_create_context(_EGLDriver *drv, _EGLDisplay *disp, _EGLConfig *conf,
1072 _EGLContext *share_list, const EGLint *attrib_list)
1073 {
1074 struct dri2_egl_context *dri2_ctx;
1075 struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
1076 struct dri2_egl_context *dri2_ctx_shared = dri2_egl_context(share_list);
1077 __DRIcontext *shared =
1078 dri2_ctx_shared ? dri2_ctx_shared->dri_context : NULL;
1079 struct dri2_egl_config *dri2_config = dri2_egl_config(conf);
1080 const __DRIconfig *dri_config;
1081 int api;
1082
1083 (void) drv;
1084
1085 dri2_ctx = malloc(sizeof *dri2_ctx);
1086 if (!dri2_ctx) {
1087 _eglError(EGL_BAD_ALLOC, "eglCreateContext");
1088 return NULL;
1089 }
1090
1091 if (!_eglInitContext(&dri2_ctx->base, disp, conf, attrib_list))
1092 goto cleanup;
1093
1094 /* The EGL_EXT_create_context_robustness spec says:
1095 *
1096 * "Add to the eglCreateContext context creation errors: [...]
1097 *
1098 * * If the reset notification behavior of <share_context> and the
1099 * newly created context are different then an EGL_BAD_MATCH error is
1100 * generated."
1101 */
1102 if (share_list && share_list->ResetNotificationStrategy !=
1103 dri2_ctx->base.ResetNotificationStrategy) {
1104 _eglError(EGL_BAD_MATCH, "eglCreateContext");
1105 goto cleanup;
1106 }
1107
1108 switch (dri2_ctx->base.ClientAPI) {
1109 case EGL_OPENGL_ES_API:
1110 switch (dri2_ctx->base.ClientMajorVersion) {
1111 case 1:
1112 api = __DRI_API_GLES;
1113 break;
1114 case 2:
1115 api = __DRI_API_GLES2;
1116 break;
1117 case 3:
1118 api = __DRI_API_GLES3;
1119 break;
1120 default:
1121 _eglError(EGL_BAD_PARAMETER, "eglCreateContext");
1122 free(dri2_ctx);
1123 return NULL;
1124 }
1125 break;
1126 case EGL_OPENGL_API:
1127 if ((dri2_ctx->base.ClientMajorVersion >= 4
1128 || (dri2_ctx->base.ClientMajorVersion == 3
1129 && dri2_ctx->base.ClientMinorVersion >= 2))
1130 && dri2_ctx->base.Profile == EGL_CONTEXT_OPENGL_CORE_PROFILE_BIT_KHR)
1131 api = __DRI_API_OPENGL_CORE;
1132 else
1133 api = __DRI_API_OPENGL;
1134 break;
1135 default:
1136 _eglError(EGL_BAD_PARAMETER, "eglCreateContext");
1137 free(dri2_ctx);
1138 return NULL;
1139 }
1140
1141 if (conf != NULL) {
1142 /* The config chosen here isn't necessarily
1143 * used for surfaces later.
1144 * A pixmap surface will use the single config.
1145 * This opportunity depends on disabling the
1146 * doubleBufferMode check in
1147 * src/mesa/main/context.c:check_compatible()
1148 */
1149 if (dri2_config->dri_double_config[0])
1150 dri_config = dri2_config->dri_double_config[0];
1151 else
1152 dri_config = dri2_config->dri_single_config[0];
1153
1154 /* EGL_WINDOW_BIT is set only when there is a dri_double_config. This
1155 * makes sure the back buffer will always be used.
1156 */
1157 if (conf->SurfaceType & EGL_WINDOW_BIT)
1158 dri2_ctx->base.WindowRenderBuffer = EGL_BACK_BUFFER;
1159 }
1160 else
1161 dri_config = NULL;
1162
1163 if (dri2_dpy->image_driver) {
1164 unsigned error;
1165 unsigned num_attribs = 8;
1166 uint32_t ctx_attribs[8];
1167
1168 if (!dri2_fill_context_attribs(dri2_ctx, dri2_dpy, ctx_attribs,
1169 &num_attribs))
1170 goto cleanup;
1171
1172 dri2_ctx->dri_context =
1173 dri2_dpy->image_driver->createContextAttribs(dri2_dpy->dri_screen,
1174 api,
1175 dri_config,
1176 shared,
1177 num_attribs / 2,
1178 ctx_attribs,
1179 & error,
1180 dri2_ctx);
1181 dri2_create_context_attribs_error(error);
1182 } else if (dri2_dpy->dri2) {
1183 if (dri2_dpy->dri2->base.version >= 3) {
1184 unsigned error;
1185 unsigned num_attribs = 8;
1186 uint32_t ctx_attribs[8];
1187
1188 if (!dri2_fill_context_attribs(dri2_ctx, dri2_dpy, ctx_attribs,
1189 &num_attribs))
1190 goto cleanup;
1191
1192 dri2_ctx->dri_context =
1193 dri2_dpy->dri2->createContextAttribs(dri2_dpy->dri_screen,
1194 api,
1195 dri_config,
1196 shared,
1197 num_attribs / 2,
1198 ctx_attribs,
1199 & error,
1200 dri2_ctx);
1201 dri2_create_context_attribs_error(error);
1202 } else {
1203 dri2_ctx->dri_context =
1204 dri2_dpy->dri2->createNewContextForAPI(dri2_dpy->dri_screen,
1205 api,
1206 dri_config,
1207 shared,
1208 dri2_ctx);
1209 }
1210 } else {
1211 assert(dri2_dpy->swrast);
1212 if (dri2_dpy->swrast->base.version >= 3) {
1213 unsigned error;
1214 unsigned num_attribs = 8;
1215 uint32_t ctx_attribs[8];
1216
1217 if (!dri2_fill_context_attribs(dri2_ctx, dri2_dpy, ctx_attribs,
1218 &num_attribs))
1219 goto cleanup;
1220
1221 dri2_ctx->dri_context =
1222 dri2_dpy->swrast->createContextAttribs(dri2_dpy->dri_screen,
1223 api,
1224 dri_config,
1225 shared,
1226 num_attribs / 2,
1227 ctx_attribs,
1228 & error,
1229 dri2_ctx);
1230 dri2_create_context_attribs_error(error);
1231 } else {
1232 dri2_ctx->dri_context =
1233 dri2_dpy->swrast->createNewContextForAPI(dri2_dpy->dri_screen,
1234 api,
1235 dri_config,
1236 shared,
1237 dri2_ctx);
1238 }
1239 }
1240
1241 if (!dri2_ctx->dri_context)
1242 goto cleanup;
1243
1244 return &dri2_ctx->base;
1245
1246 cleanup:
1247 free(dri2_ctx);
1248 return NULL;
1249 }
1250
1251 /**
1252 * Called via eglDestroyContext(), drv->API.DestroyContext().
1253 */
1254 static EGLBoolean
1255 dri2_destroy_context(_EGLDriver *drv, _EGLDisplay *disp, _EGLContext *ctx)
1256 {
1257 struct dri2_egl_context *dri2_ctx = dri2_egl_context(ctx);
1258 struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
1259
1260 if (_eglPutContext(ctx)) {
1261 dri2_dpy->core->destroyContext(dri2_ctx->dri_context);
1262 free(dri2_ctx);
1263 }
1264
1265 return EGL_TRUE;
1266 }
1267
1268 static EGLBoolean
1269 dri2_destroy_surface(_EGLDriver *drv, _EGLDisplay *dpy, _EGLSurface *surf)
1270 {
1271 struct dri2_egl_display *dri2_dpy = dri2_egl_display(dpy);
1272
1273 if (!_eglPutSurface(surf))
1274 return EGL_TRUE;
1275
1276 return dri2_dpy->vtbl->destroy_surface(drv, dpy, surf);
1277 }
1278
1279 /**
1280 * Called via eglMakeCurrent(), drv->API.MakeCurrent().
1281 */
1282 static EGLBoolean
1283 dri2_make_current(_EGLDriver *drv, _EGLDisplay *disp, _EGLSurface *dsurf,
1284 _EGLSurface *rsurf, _EGLContext *ctx)
1285 {
1286 struct dri2_egl_driver *dri2_drv = dri2_egl_driver(drv);
1287 struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
1288 struct dri2_egl_context *dri2_ctx = dri2_egl_context(ctx);
1289 _EGLContext *old_ctx;
1290 _EGLSurface *old_dsurf, *old_rsurf;
1291 _EGLSurface *tmp_dsurf, *tmp_rsurf;
1292 __DRIdrawable *ddraw, *rdraw;
1293 __DRIcontext *cctx;
1294 EGLBoolean unbind;
1295
1296 if (!dri2_dpy)
1297 return _eglError(EGL_NOT_INITIALIZED, "eglMakeCurrent");
1298
1299 /* make new bindings */
1300 if (!_eglBindContext(ctx, dsurf, rsurf, &old_ctx, &old_dsurf, &old_rsurf)) {
1301 /* _eglBindContext already sets the EGL error (in _eglCheckMakeCurrent) */
1302 return EGL_FALSE;
1303 }
1304
1305 /* flush before context switch */
1306 if (old_ctx)
1307 dri2_drv->glFlush();
1308
1309 ddraw = (dsurf) ? dri2_dpy->vtbl->get_dri_drawable(dsurf) : NULL;
1310 rdraw = (rsurf) ? dri2_dpy->vtbl->get_dri_drawable(rsurf) : NULL;
1311 cctx = (dri2_ctx) ? dri2_ctx->dri_context : NULL;
1312
1313 if (old_ctx) {
1314 __DRIcontext *old_cctx = dri2_egl_context(old_ctx)->dri_context;
1315 dri2_dpy->core->unbindContext(old_cctx);
1316 }
1317
1318 unbind = (cctx == NULL && ddraw == NULL && rdraw == NULL);
1319
1320 if (unbind || dri2_dpy->core->bindContext(cctx, ddraw, rdraw)) {
1321 dri2_destroy_surface(drv, disp, old_dsurf);
1322 dri2_destroy_surface(drv, disp, old_rsurf);
1323
1324 if (!unbind)
1325 dri2_dpy->ref_count++;
1326 if (old_ctx) {
1327 EGLDisplay old_disp = _eglGetDisplayHandle(old_ctx->Resource.Display);
1328 dri2_destroy_context(drv, disp, old_ctx);
1329 dri2_display_release(old_disp);
1330 }
1331
1332 return EGL_TRUE;
1333 } else {
1334 /* undo the previous _eglBindContext */
1335 _eglBindContext(old_ctx, old_dsurf, old_rsurf, &ctx, &tmp_dsurf, &tmp_rsurf);
1336 assert(&dri2_ctx->base == ctx &&
1337 tmp_dsurf == dsurf &&
1338 tmp_rsurf == rsurf);
1339
1340 _eglPutSurface(dsurf);
1341 _eglPutSurface(rsurf);
1342 _eglPutContext(ctx);
1343
1344 _eglPutSurface(old_dsurf);
1345 _eglPutSurface(old_rsurf);
1346 _eglPutContext(old_ctx);
1347
1348 /* dri2_dpy->core->bindContext failed. We cannot tell for sure why, but
1349 * setting the error to EGL_BAD_MATCH is surely better than leaving it
1350 * as EGL_SUCCESS.
1351 */
1352 return _eglError(EGL_BAD_MATCH, "eglMakeCurrent");
1353 }
1354 }
1355
1356 __DRIdrawable *
1357 dri2_surface_get_dri_drawable(_EGLSurface *surf)
1358 {
1359 struct dri2_egl_surface *dri2_surf = dri2_egl_surface(surf);
1360
1361 return dri2_surf->dri_drawable;
1362 }
1363
1364 /*
1365 * Called from eglGetProcAddress() via drv->API.GetProcAddress().
1366 */
1367 static _EGLProc
1368 dri2_get_proc_address(_EGLDriver *drv, const char *procname)
1369 {
1370 struct dri2_egl_driver *dri2_drv = dri2_egl_driver(drv);
1371
1372 return dri2_drv->get_proc_address(procname);
1373 }
1374
1375 static _EGLSurface*
1376 dri2_create_window_surface(_EGLDriver *drv, _EGLDisplay *dpy,
1377 _EGLConfig *conf, void *native_window,
1378 const EGLint *attrib_list)
1379 {
1380 struct dri2_egl_display *dri2_dpy = dri2_egl_display(dpy);
1381 return dri2_dpy->vtbl->create_window_surface(drv, dpy, conf, native_window,
1382 attrib_list);
1383 }
1384
1385 static _EGLSurface*
1386 dri2_create_pixmap_surface(_EGLDriver *drv, _EGLDisplay *dpy,
1387 _EGLConfig *conf, void *native_pixmap,
1388 const EGLint *attrib_list)
1389 {
1390 struct dri2_egl_display *dri2_dpy = dri2_egl_display(dpy);
1391 return dri2_dpy->vtbl->create_pixmap_surface(drv, dpy, conf, native_pixmap,
1392 attrib_list);
1393 }
1394
1395 static _EGLSurface*
1396 dri2_create_pbuffer_surface(_EGLDriver *drv, _EGLDisplay *dpy,
1397 _EGLConfig *conf, const EGLint *attrib_list)
1398 {
1399 struct dri2_egl_display *dri2_dpy = dri2_egl_display(dpy);
1400 return dri2_dpy->vtbl->create_pbuffer_surface(drv, dpy, conf, attrib_list);
1401 }
1402
1403 static EGLBoolean
1404 dri2_swap_interval(_EGLDriver *drv, _EGLDisplay *dpy, _EGLSurface *surf,
1405 EGLint interval)
1406 {
1407 struct dri2_egl_display *dri2_dpy = dri2_egl_display(dpy);
1408 return dri2_dpy->vtbl->swap_interval(drv, dpy, surf, interval);
1409 }
1410
1411 /**
1412 * Asks the client API to flush any rendering to the drawable so that we can
1413 * do our swapbuffers.
1414 */
1415 void
1416 dri2_flush_drawable_for_swapbuffers(_EGLDisplay *disp, _EGLSurface *draw)
1417 {
1418 struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
1419 __DRIdrawable *dri_drawable = dri2_dpy->vtbl->get_dri_drawable(draw);
1420
1421 if (dri2_dpy->flush) {
1422 if (dri2_dpy->flush->base.version >= 4) {
1423 /* We know there's a current context because:
1424 *
1425 * "If surface is not bound to the calling thread’s current
1426 * context, an EGL_BAD_SURFACE error is generated."
1427 */
1428 _EGLContext *ctx = _eglGetCurrentContext();
1429 struct dri2_egl_context *dri2_ctx = dri2_egl_context(ctx);
1430
1431 /* From the EGL 1.4 spec (page 52):
1432 *
1433 * "The contents of ancillary buffers are always undefined
1434 * after calling eglSwapBuffers."
1435 */
1436 dri2_dpy->flush->flush_with_flags(dri2_ctx->dri_context,
1437 dri_drawable,
1438 __DRI2_FLUSH_DRAWABLE |
1439 __DRI2_FLUSH_INVALIDATE_ANCILLARY,
1440 __DRI2_THROTTLE_SWAPBUFFER);
1441 } else {
1442 dri2_dpy->flush->flush(dri_drawable);
1443 }
1444 }
1445 }
1446
1447 static EGLBoolean
1448 dri2_swap_buffers(_EGLDriver *drv, _EGLDisplay *dpy, _EGLSurface *surf)
1449 {
1450 struct dri2_egl_display *dri2_dpy = dri2_egl_display(dpy);
1451 return dri2_dpy->vtbl->swap_buffers(drv, dpy, surf);
1452 }
1453
1454 static EGLBoolean
1455 dri2_swap_buffers_with_damage(_EGLDriver *drv, _EGLDisplay *dpy,
1456 _EGLSurface *surf,
1457 const EGLint *rects, EGLint n_rects)
1458 {
1459 struct dri2_egl_display *dri2_dpy = dri2_egl_display(dpy);
1460 return dri2_dpy->vtbl->swap_buffers_with_damage(drv, dpy, surf,
1461 rects, n_rects);
1462 }
1463
1464 static EGLBoolean
1465 dri2_swap_buffers_region(_EGLDriver *drv, _EGLDisplay *dpy, _EGLSurface *surf,
1466 EGLint numRects, const EGLint *rects)
1467 {
1468 struct dri2_egl_display *dri2_dpy = dri2_egl_display(dpy);
1469 return dri2_dpy->vtbl->swap_buffers_region(drv, dpy, surf, numRects, rects);
1470 }
1471
1472 static EGLBoolean
1473 dri2_post_sub_buffer(_EGLDriver *drv, _EGLDisplay *dpy, _EGLSurface *surf,
1474 EGLint x, EGLint y, EGLint width, EGLint height)
1475 {
1476 struct dri2_egl_display *dri2_dpy = dri2_egl_display(dpy);
1477 return dri2_dpy->vtbl->post_sub_buffer(drv, dpy, surf, x, y, width, height);
1478 }
1479
1480 static EGLBoolean
1481 dri2_copy_buffers(_EGLDriver *drv, _EGLDisplay *dpy, _EGLSurface *surf,
1482 void *native_pixmap_target)
1483 {
1484 struct dri2_egl_display *dri2_dpy = dri2_egl_display(dpy);
1485 return dri2_dpy->vtbl->copy_buffers(drv, dpy, surf, native_pixmap_target);
1486 }
1487
1488 static EGLint
1489 dri2_query_buffer_age(_EGLDriver *drv, _EGLDisplay *dpy, _EGLSurface *surf)
1490 {
1491 struct dri2_egl_display *dri2_dpy = dri2_egl_display(dpy);
1492 return dri2_dpy->vtbl->query_buffer_age(drv, dpy, surf);
1493 }
1494
1495 static EGLBoolean
1496 dri2_wait_client(_EGLDriver *drv, _EGLDisplay *disp, _EGLContext *ctx)
1497 {
1498 struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
1499 _EGLSurface *surf = ctx->DrawSurface;
1500 __DRIdrawable *dri_drawable = dri2_dpy->vtbl->get_dri_drawable(surf);
1501
1502 (void) drv;
1503
1504 /* FIXME: If EGL allows frontbuffer rendering for window surfaces,
1505 * we need to copy fake to real here.*/
1506
1507 if (dri2_dpy->flush != NULL)
1508 dri2_dpy->flush->flush(dri_drawable);
1509
1510 return EGL_TRUE;
1511 }
1512
1513 static EGLBoolean
1514 dri2_wait_native(_EGLDriver *drv, _EGLDisplay *disp, EGLint engine)
1515 {
1516 (void) drv;
1517 (void) disp;
1518
1519 if (engine != EGL_CORE_NATIVE_ENGINE)
1520 return _eglError(EGL_BAD_PARAMETER, "eglWaitNative");
1521 /* glXWaitX(); */
1522
1523 return EGL_TRUE;
1524 }
1525
1526 static EGLBoolean
1527 dri2_bind_tex_image(_EGLDriver *drv,
1528 _EGLDisplay *disp, _EGLSurface *surf, EGLint buffer)
1529 {
1530 struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
1531 struct dri2_egl_context *dri2_ctx;
1532 _EGLContext *ctx;
1533 GLint format, target;
1534 __DRIdrawable *dri_drawable = dri2_dpy->vtbl->get_dri_drawable(surf);
1535
1536 ctx = _eglGetCurrentContext();
1537 dri2_ctx = dri2_egl_context(ctx);
1538
1539 if (!_eglBindTexImage(drv, disp, surf, buffer))
1540 return EGL_FALSE;
1541
1542 switch (surf->TextureFormat) {
1543 case EGL_TEXTURE_RGB:
1544 format = __DRI_TEXTURE_FORMAT_RGB;
1545 break;
1546 case EGL_TEXTURE_RGBA:
1547 format = __DRI_TEXTURE_FORMAT_RGBA;
1548 break;
1549 default:
1550 assert(!"Unexpected texture format in dri2_bind_tex_image()");
1551 format = __DRI_TEXTURE_FORMAT_RGBA;
1552 }
1553
1554 switch (surf->TextureTarget) {
1555 case EGL_TEXTURE_2D:
1556 target = GL_TEXTURE_2D;
1557 break;
1558 default:
1559 target = GL_TEXTURE_2D;
1560 assert(!"Unexpected texture target in dri2_bind_tex_image()");
1561 }
1562
1563 dri2_dpy->tex_buffer->setTexBuffer2(dri2_ctx->dri_context,
1564 target, format,
1565 dri_drawable);
1566
1567 return EGL_TRUE;
1568 }
1569
1570 static EGLBoolean
1571 dri2_release_tex_image(_EGLDriver *drv,
1572 _EGLDisplay *disp, _EGLSurface *surf, EGLint buffer)
1573 {
1574 struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
1575 struct dri2_egl_context *dri2_ctx;
1576 _EGLContext *ctx;
1577 GLint target;
1578 __DRIdrawable *dri_drawable = dri2_dpy->vtbl->get_dri_drawable(surf);
1579
1580 ctx = _eglGetCurrentContext();
1581 dri2_ctx = dri2_egl_context(ctx);
1582
1583 if (!_eglReleaseTexImage(drv, disp, surf, buffer))
1584 return EGL_FALSE;
1585
1586 switch (surf->TextureTarget) {
1587 case EGL_TEXTURE_2D:
1588 target = GL_TEXTURE_2D;
1589 break;
1590 default:
1591 assert(0);
1592 }
1593
1594 if (dri2_dpy->tex_buffer->base.version >= 3 &&
1595 dri2_dpy->tex_buffer->releaseTexBuffer != NULL) {
1596 dri2_dpy->tex_buffer->releaseTexBuffer(dri2_ctx->dri_context,
1597 target, dri_drawable);
1598 }
1599
1600 return EGL_TRUE;
1601 }
1602
1603 static _EGLImage*
1604 dri2_create_image(_EGLDriver *drv, _EGLDisplay *dpy, _EGLContext *ctx,
1605 EGLenum target, EGLClientBuffer buffer,
1606 const EGLint *attr_list)
1607 {
1608 struct dri2_egl_display *dri2_dpy = dri2_egl_display(dpy);
1609 return dri2_dpy->vtbl->create_image(drv, dpy, ctx, target, buffer,
1610 attr_list);
1611 }
1612
1613 static _EGLImage *
1614 dri2_create_image_from_dri(_EGLDisplay *disp, __DRIimage *dri_image)
1615 {
1616 struct dri2_egl_image *dri2_img;
1617
1618 if (dri_image == NULL) {
1619 _eglError(EGL_BAD_ALLOC, "dri2_create_image");
1620 return NULL;
1621 }
1622
1623 dri2_img = malloc(sizeof *dri2_img);
1624 if (!dri2_img) {
1625 _eglError(EGL_BAD_ALLOC, "dri2_create_image");
1626 return NULL;
1627 }
1628
1629 if (!_eglInitImage(&dri2_img->base, disp)) {
1630 free(dri2_img);
1631 return NULL;
1632 }
1633
1634 dri2_img->dri_image = dri_image;
1635
1636 return &dri2_img->base;
1637 }
1638
1639 static _EGLImage *
1640 dri2_create_image_khr_renderbuffer(_EGLDisplay *disp, _EGLContext *ctx,
1641 EGLClientBuffer buffer,
1642 const EGLint *attr_list)
1643 {
1644 struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
1645 struct dri2_egl_context *dri2_ctx = dri2_egl_context(ctx);
1646 GLuint renderbuffer = (GLuint) (uintptr_t) buffer;
1647 __DRIimage *dri_image;
1648
1649 if (renderbuffer == 0) {
1650 _eglError(EGL_BAD_PARAMETER, "dri2_create_image_khr");
1651 return EGL_NO_IMAGE_KHR;
1652 }
1653
1654 dri_image =
1655 dri2_dpy->image->createImageFromRenderbuffer(dri2_ctx->dri_context,
1656 renderbuffer, NULL);
1657
1658 return dri2_create_image_from_dri(disp, dri_image);
1659 }
1660
1661 #ifdef HAVE_WAYLAND_PLATFORM
1662
1663 /* This structure describes how a wl_buffer maps to one or more
1664 * __DRIimages. A wl_drm_buffer stores the wl_drm format code and the
1665 * offsets and strides of the planes in the buffer. This table maps a
1666 * wl_drm format code to a description of the planes in the buffer
1667 * that lets us create a __DRIimage for each of the planes. */
1668
1669 static const struct wl_drm_components_descriptor {
1670 uint32_t dri_components;
1671 EGLint components;
1672 int nplanes;
1673 } wl_drm_components[] = {
1674 { __DRI_IMAGE_COMPONENTS_RGB, EGL_TEXTURE_RGB, 1 },
1675 { __DRI_IMAGE_COMPONENTS_RGBA, EGL_TEXTURE_RGBA, 1 },
1676 { __DRI_IMAGE_COMPONENTS_Y_U_V, EGL_TEXTURE_Y_U_V_WL, 3 },
1677 { __DRI_IMAGE_COMPONENTS_Y_UV, EGL_TEXTURE_Y_UV_WL, 2 },
1678 { __DRI_IMAGE_COMPONENTS_Y_XUXV, EGL_TEXTURE_Y_XUXV_WL, 2 },
1679 };
1680
1681 static _EGLImage *
1682 dri2_create_image_wayland_wl_buffer(_EGLDisplay *disp, _EGLContext *ctx,
1683 EGLClientBuffer _buffer,
1684 const EGLint *attr_list)
1685 {
1686 struct wl_drm_buffer *buffer;
1687 struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
1688 const struct wl_drm_components_descriptor *f;
1689 __DRIimage *dri_image;
1690 _EGLImageAttribs attrs;
1691 EGLint err;
1692 int32_t plane;
1693
1694 buffer = wayland_drm_buffer_get(dri2_dpy->wl_server_drm,
1695 (struct wl_resource *) _buffer);
1696 if (!buffer)
1697 return NULL;
1698
1699 err = _eglParseImageAttribList(&attrs, disp, attr_list);
1700 plane = attrs.PlaneWL;
1701 if (err != EGL_SUCCESS) {
1702 _eglError(EGL_BAD_PARAMETER, "dri2_create_image_wayland_wl_buffer");
1703 return NULL;
1704 }
1705
1706 f = buffer->driver_format;
1707 if (plane < 0 || plane >= f->nplanes) {
1708 _eglError(EGL_BAD_PARAMETER,
1709 "dri2_create_image_wayland_wl_buffer (plane out of bounds)");
1710 return NULL;
1711 }
1712
1713 dri_image = dri2_dpy->image->fromPlanar(buffer->driver_buffer, plane, NULL);
1714
1715 if (dri_image == NULL) {
1716 _eglError(EGL_BAD_PARAMETER, "dri2_create_image_wayland_wl_buffer");
1717 return NULL;
1718 }
1719
1720 return dri2_create_image_from_dri(disp, dri_image);
1721 }
1722 #endif
1723
1724 static EGLBoolean
1725 dri2_get_sync_values_chromium(_EGLDisplay *dpy, _EGLSurface *surf,
1726 EGLuint64KHR *ust, EGLuint64KHR *msc,
1727 EGLuint64KHR *sbc)
1728 {
1729 struct dri2_egl_display *dri2_dpy = dri2_egl_display(dpy);
1730 return dri2_dpy->vtbl->get_sync_values(dpy, surf, ust, msc, sbc);
1731 }
1732
1733 /**
1734 * Set the error code after a call to
1735 * dri2_egl_image::dri_image::createImageFromTexture.
1736 */
1737 static void
1738 dri2_create_image_khr_texture_error(int dri_error)
1739 {
1740 EGLint egl_error;
1741
1742 switch (dri_error) {
1743 case __DRI_IMAGE_ERROR_SUCCESS:
1744 return;
1745
1746 case __DRI_IMAGE_ERROR_BAD_ALLOC:
1747 egl_error = EGL_BAD_ALLOC;
1748 break;
1749
1750 case __DRI_IMAGE_ERROR_BAD_MATCH:
1751 egl_error = EGL_BAD_MATCH;
1752 break;
1753
1754 case __DRI_IMAGE_ERROR_BAD_PARAMETER:
1755 egl_error = EGL_BAD_PARAMETER;
1756 break;
1757
1758 case __DRI_IMAGE_ERROR_BAD_ACCESS:
1759 egl_error = EGL_BAD_ACCESS;
1760 break;
1761
1762 default:
1763 assert(0);
1764 egl_error = EGL_BAD_MATCH;
1765 break;
1766 }
1767
1768 _eglError(egl_error, "dri2_create_image_khr_texture");
1769 }
1770
1771 static _EGLImage *
1772 dri2_create_image_khr_texture(_EGLDisplay *disp, _EGLContext *ctx,
1773 EGLenum target,
1774 EGLClientBuffer buffer,
1775 const EGLint *attr_list)
1776 {
1777 struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
1778 struct dri2_egl_context *dri2_ctx = dri2_egl_context(ctx);
1779 struct dri2_egl_image *dri2_img;
1780 GLuint texture = (GLuint) (uintptr_t) buffer;
1781 _EGLImageAttribs attrs;
1782 GLuint depth;
1783 GLenum gl_target;
1784 unsigned error;
1785
1786 if (texture == 0) {
1787 _eglError(EGL_BAD_PARAMETER, "dri2_create_image_khr");
1788 return EGL_NO_IMAGE_KHR;
1789 }
1790
1791 if (_eglParseImageAttribList(&attrs, disp, attr_list) != EGL_SUCCESS)
1792 return EGL_NO_IMAGE_KHR;
1793
1794 switch (target) {
1795 case EGL_GL_TEXTURE_2D_KHR:
1796 depth = 0;
1797 gl_target = GL_TEXTURE_2D;
1798 break;
1799 case EGL_GL_TEXTURE_3D_KHR:
1800 if (disp->Extensions.KHR_gl_texture_3D_image) {
1801 depth = attrs.GLTextureZOffset;
1802 gl_target = GL_TEXTURE_3D;
1803 break;
1804 }
1805 else {
1806 _eglError(EGL_BAD_PARAMETER, "dri2_create_image_khr");
1807 return EGL_NO_IMAGE_KHR;
1808 }
1809 case EGL_GL_TEXTURE_CUBE_MAP_POSITIVE_X_KHR:
1810 case EGL_GL_TEXTURE_CUBE_MAP_NEGATIVE_X_KHR:
1811 case EGL_GL_TEXTURE_CUBE_MAP_POSITIVE_Y_KHR:
1812 case EGL_GL_TEXTURE_CUBE_MAP_NEGATIVE_Y_KHR:
1813 case EGL_GL_TEXTURE_CUBE_MAP_POSITIVE_Z_KHR:
1814 case EGL_GL_TEXTURE_CUBE_MAP_NEGATIVE_Z_KHR:
1815 depth = target - EGL_GL_TEXTURE_CUBE_MAP_POSITIVE_X_KHR;
1816 gl_target = GL_TEXTURE_CUBE_MAP;
1817 break;
1818 default:
1819 _eglError(EGL_BAD_PARAMETER, "dri2_create_image_khr");
1820 return EGL_NO_IMAGE_KHR;
1821 }
1822
1823 dri2_img = malloc(sizeof *dri2_img);
1824 if (!dri2_img) {
1825 _eglError(EGL_BAD_ALLOC, "dri2_create_image_khr");
1826 return EGL_NO_IMAGE_KHR;
1827 }
1828
1829 if (!_eglInitImage(&dri2_img->base, disp)) {
1830 _eglError(EGL_BAD_ALLOC, "dri2_create_image_khr");
1831 free(dri2_img);
1832 return EGL_NO_IMAGE_KHR;
1833 }
1834
1835 dri2_img->dri_image =
1836 dri2_dpy->image->createImageFromTexture(dri2_ctx->dri_context,
1837 gl_target,
1838 texture,
1839 depth,
1840 attrs.GLTextureLevel,
1841 &error,
1842 dri2_img);
1843 dri2_create_image_khr_texture_error(error);
1844
1845 if (!dri2_img->dri_image) {
1846 free(dri2_img);
1847 return EGL_NO_IMAGE_KHR;
1848 }
1849 return &dri2_img->base;
1850 }
1851
1852 static EGLBoolean
1853 dri2_query_surface(_EGLDriver *drv, _EGLDisplay *dpy, _EGLSurface *surf,
1854 EGLint attribute, EGLint *value)
1855 {
1856 struct dri2_egl_display *dri2_dpy = dri2_egl_display(dpy);
1857 if (!dri2_dpy->vtbl->query_surface)
1858 return _eglQuerySurface(drv, dpy, surf, attribute, value);
1859 return dri2_dpy->vtbl->query_surface(drv, dpy, surf, attribute, value);
1860 }
1861
1862 static struct wl_buffer*
1863 dri2_create_wayland_buffer_from_image(_EGLDriver *drv, _EGLDisplay *dpy,
1864 _EGLImage *img)
1865 {
1866 struct dri2_egl_display *dri2_dpy = dri2_egl_display(dpy);
1867 return dri2_dpy->vtbl->create_wayland_buffer_from_image(drv, dpy, img);
1868 }
1869
1870 #ifdef HAVE_LIBDRM
1871 static _EGLImage *
1872 dri2_create_image_mesa_drm_buffer(_EGLDisplay *disp, _EGLContext *ctx,
1873 EGLClientBuffer buffer, const EGLint *attr_list)
1874 {
1875 struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
1876 EGLint format, name, pitch, err;
1877 _EGLImageAttribs attrs;
1878 __DRIimage *dri_image;
1879
1880 name = (EGLint) (uintptr_t) buffer;
1881
1882 err = _eglParseImageAttribList(&attrs, disp, attr_list);
1883 if (err != EGL_SUCCESS)
1884 return NULL;
1885
1886 if (attrs.Width <= 0 || attrs.Height <= 0 ||
1887 attrs.DRMBufferStrideMESA <= 0) {
1888 _eglError(EGL_BAD_PARAMETER,
1889 "bad width, height or stride");
1890 return NULL;
1891 }
1892
1893 switch (attrs.DRMBufferFormatMESA) {
1894 case EGL_DRM_BUFFER_FORMAT_ARGB32_MESA:
1895 format = __DRI_IMAGE_FORMAT_ARGB8888;
1896 pitch = attrs.DRMBufferStrideMESA;
1897 break;
1898 default:
1899 _eglError(EGL_BAD_PARAMETER,
1900 "dri2_create_image_khr: unsupported pixmap depth");
1901 return NULL;
1902 }
1903
1904 dri_image =
1905 dri2_dpy->image->createImageFromName(dri2_dpy->dri_screen,
1906 attrs.Width,
1907 attrs.Height,
1908 format,
1909 name,
1910 pitch,
1911 NULL);
1912
1913 return dri2_create_image_from_dri(disp, dri_image);
1914 }
1915
1916 static EGLBoolean
1917 dri2_check_dma_buf_attribs(const _EGLImageAttribs *attrs)
1918 {
1919 unsigned i;
1920
1921 /**
1922 * The spec says:
1923 *
1924 * "Required attributes and their values are as follows:
1925 *
1926 * * EGL_WIDTH & EGL_HEIGHT: The logical dimensions of the buffer in pixels
1927 *
1928 * * EGL_LINUX_DRM_FOURCC_EXT: The pixel format of the buffer, as specified
1929 * by drm_fourcc.h and used as the pixel_format parameter of the
1930 * drm_mode_fb_cmd2 ioctl."
1931 *
1932 * and
1933 *
1934 * "* If <target> is EGL_LINUX_DMA_BUF_EXT, and the list of attributes is
1935 * incomplete, EGL_BAD_PARAMETER is generated."
1936 */
1937 if (attrs->Width <= 0 || attrs->Height <= 0 ||
1938 !attrs->DMABufFourCC.IsPresent) {
1939 _eglError(EGL_BAD_PARAMETER, "attribute(s) missing");
1940 return EGL_FALSE;
1941 }
1942
1943 /**
1944 * Also:
1945 *
1946 * "If <target> is EGL_LINUX_DMA_BUF_EXT and one or more of the values
1947 * specified for a plane's pitch or offset isn't supported by EGL,
1948 * EGL_BAD_ACCESS is generated."
1949 */
1950 for (i = 0; i < ARRAY_SIZE(attrs->DMABufPlanePitches); ++i) {
1951 if (attrs->DMABufPlanePitches[i].IsPresent &&
1952 attrs->DMABufPlanePitches[i].Value <= 0) {
1953 _eglError(EGL_BAD_ACCESS, "invalid pitch");
1954 return EGL_FALSE;
1955 }
1956 }
1957
1958 return EGL_TRUE;
1959 }
1960
1961 /* Returns the total number of file descriptors. Zero indicates an error. */
1962 static unsigned
1963 dri2_check_dma_buf_format(const _EGLImageAttribs *attrs)
1964 {
1965 unsigned i, plane_n;
1966
1967 switch (attrs->DMABufFourCC.Value) {
1968 case DRM_FORMAT_R8:
1969 case DRM_FORMAT_RG88:
1970 case DRM_FORMAT_GR88:
1971 case DRM_FORMAT_R16:
1972 case DRM_FORMAT_GR1616:
1973 case DRM_FORMAT_RGB332:
1974 case DRM_FORMAT_BGR233:
1975 case DRM_FORMAT_XRGB4444:
1976 case DRM_FORMAT_XBGR4444:
1977 case DRM_FORMAT_RGBX4444:
1978 case DRM_FORMAT_BGRX4444:
1979 case DRM_FORMAT_ARGB4444:
1980 case DRM_FORMAT_ABGR4444:
1981 case DRM_FORMAT_RGBA4444:
1982 case DRM_FORMAT_BGRA4444:
1983 case DRM_FORMAT_XRGB1555:
1984 case DRM_FORMAT_XBGR1555:
1985 case DRM_FORMAT_RGBX5551:
1986 case DRM_FORMAT_BGRX5551:
1987 case DRM_FORMAT_ARGB1555:
1988 case DRM_FORMAT_ABGR1555:
1989 case DRM_FORMAT_RGBA5551:
1990 case DRM_FORMAT_BGRA5551:
1991 case DRM_FORMAT_RGB565:
1992 case DRM_FORMAT_BGR565:
1993 case DRM_FORMAT_RGB888:
1994 case DRM_FORMAT_BGR888:
1995 case DRM_FORMAT_XRGB8888:
1996 case DRM_FORMAT_XBGR8888:
1997 case DRM_FORMAT_RGBX8888:
1998 case DRM_FORMAT_BGRX8888:
1999 case DRM_FORMAT_ARGB8888:
2000 case DRM_FORMAT_ABGR8888:
2001 case DRM_FORMAT_RGBA8888:
2002 case DRM_FORMAT_BGRA8888:
2003 case DRM_FORMAT_XRGB2101010:
2004 case DRM_FORMAT_XBGR2101010:
2005 case DRM_FORMAT_RGBX1010102:
2006 case DRM_FORMAT_BGRX1010102:
2007 case DRM_FORMAT_ARGB2101010:
2008 case DRM_FORMAT_ABGR2101010:
2009 case DRM_FORMAT_RGBA1010102:
2010 case DRM_FORMAT_BGRA1010102:
2011 case DRM_FORMAT_YUYV:
2012 case DRM_FORMAT_YVYU:
2013 case DRM_FORMAT_UYVY:
2014 case DRM_FORMAT_VYUY:
2015 plane_n = 1;
2016 break;
2017 case DRM_FORMAT_NV12:
2018 case DRM_FORMAT_NV21:
2019 case DRM_FORMAT_NV16:
2020 case DRM_FORMAT_NV61:
2021 plane_n = 2;
2022 break;
2023 case DRM_FORMAT_YUV410:
2024 case DRM_FORMAT_YVU410:
2025 case DRM_FORMAT_YUV411:
2026 case DRM_FORMAT_YVU411:
2027 case DRM_FORMAT_YUV420:
2028 case DRM_FORMAT_YVU420:
2029 case DRM_FORMAT_YUV422:
2030 case DRM_FORMAT_YVU422:
2031 case DRM_FORMAT_YUV444:
2032 case DRM_FORMAT_YVU444:
2033 plane_n = 3;
2034 break;
2035 default:
2036 _eglError(EGL_BAD_ATTRIBUTE, "invalid format");
2037 return 0;
2038 }
2039
2040 /**
2041 * The spec says:
2042 *
2043 * "* If <target> is EGL_LINUX_DMA_BUF_EXT, and the list of attributes is
2044 * incomplete, EGL_BAD_PARAMETER is generated."
2045 */
2046 for (i = 0; i < plane_n; ++i) {
2047 if (!attrs->DMABufPlaneFds[i].IsPresent ||
2048 !attrs->DMABufPlaneOffsets[i].IsPresent ||
2049 !attrs->DMABufPlanePitches[i].IsPresent) {
2050 _eglError(EGL_BAD_PARAMETER, "plane attribute(s) missing");
2051 return 0;
2052 }
2053 }
2054
2055 /**
2056 * The spec also says:
2057 *
2058 * "If <target> is EGL_LINUX_DMA_BUF_EXT, and the EGL_LINUX_DRM_FOURCC_EXT
2059 * attribute indicates a single-plane format, EGL_BAD_ATTRIBUTE is
2060 * generated if any of the EGL_DMA_BUF_PLANE1_* or EGL_DMA_BUF_PLANE2_*
2061 * attributes are specified."
2062 */
2063 for (i = plane_n; i < 3; ++i) {
2064 if (attrs->DMABufPlaneFds[i].IsPresent ||
2065 attrs->DMABufPlaneOffsets[i].IsPresent ||
2066 attrs->DMABufPlanePitches[i].IsPresent) {
2067 _eglError(EGL_BAD_ATTRIBUTE, "too many plane attributes");
2068 return 0;
2069 }
2070 }
2071
2072 return plane_n;
2073 }
2074
2075 /**
2076 * The spec says:
2077 *
2078 * "If eglCreateImageKHR is successful for a EGL_LINUX_DMA_BUF_EXT target, the
2079 * EGL will take a reference to the dma_buf(s) which it will release at any
2080 * time while the EGLDisplay is initialized. It is the responsibility of the
2081 * application to close the dma_buf file descriptors."
2082 *
2083 * Therefore we must never close or otherwise modify the file descriptors.
2084 */
2085 _EGLImage *
2086 dri2_create_image_dma_buf(_EGLDisplay *disp, _EGLContext *ctx,
2087 EGLClientBuffer buffer, const EGLint *attr_list)
2088 {
2089 struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
2090 _EGLImage *res;
2091 EGLint err;
2092 _EGLImageAttribs attrs;
2093 __DRIimage *dri_image;
2094 unsigned num_fds;
2095 unsigned i;
2096 int fds[3];
2097 int pitches[3];
2098 int offsets[3];
2099 unsigned error;
2100
2101 /**
2102 * The spec says:
2103 *
2104 * ""* If <target> is EGL_LINUX_DMA_BUF_EXT and <buffer> is not NULL, the
2105 * error EGL_BAD_PARAMETER is generated."
2106 */
2107 if (buffer != NULL) {
2108 _eglError(EGL_BAD_PARAMETER, "buffer not NULL");
2109 return NULL;
2110 }
2111
2112 err = _eglParseImageAttribList(&attrs, disp, attr_list);
2113 if (err != EGL_SUCCESS) {
2114 _eglError(err, "bad attribute");
2115 return NULL;
2116 }
2117
2118 if (!dri2_check_dma_buf_attribs(&attrs))
2119 return NULL;
2120
2121 num_fds = dri2_check_dma_buf_format(&attrs);
2122 if (!num_fds)
2123 return NULL;
2124
2125 for (i = 0; i < num_fds; ++i) {
2126 fds[i] = attrs.DMABufPlaneFds[i].Value;
2127 pitches[i] = attrs.DMABufPlanePitches[i].Value;
2128 offsets[i] = attrs.DMABufPlaneOffsets[i].Value;
2129 }
2130
2131 dri_image =
2132 dri2_dpy->image->createImageFromDmaBufs(dri2_dpy->dri_screen,
2133 attrs.Width, attrs.Height, attrs.DMABufFourCC.Value,
2134 fds, num_fds, pitches, offsets,
2135 attrs.DMABufYuvColorSpaceHint.Value,
2136 attrs.DMABufSampleRangeHint.Value,
2137 attrs.DMABufChromaHorizontalSiting.Value,
2138 attrs.DMABufChromaVerticalSiting.Value,
2139 &error,
2140 NULL);
2141 dri2_create_image_khr_texture_error(error);
2142
2143 if (!dri_image)
2144 return EGL_NO_IMAGE_KHR;
2145
2146 res = dri2_create_image_from_dri(disp, dri_image);
2147
2148 return res;
2149 }
2150 static _EGLImage *
2151 dri2_create_drm_image_mesa(_EGLDriver *drv, _EGLDisplay *disp,
2152 const EGLint *attr_list)
2153 {
2154 struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
2155 struct dri2_egl_image *dri2_img;
2156 _EGLImageAttribs attrs;
2157 unsigned int dri_use, valid_mask;
2158 int format;
2159 EGLint err = EGL_SUCCESS;
2160
2161 (void) drv;
2162
2163 dri2_img = malloc(sizeof *dri2_img);
2164 if (!dri2_img) {
2165 _eglError(EGL_BAD_ALLOC, "dri2_create_image_khr");
2166 return EGL_NO_IMAGE_KHR;
2167 }
2168
2169 if (!attr_list) {
2170 err = EGL_BAD_PARAMETER;
2171 goto cleanup_img;
2172 }
2173
2174 if (!_eglInitImage(&dri2_img->base, disp)) {
2175 err = EGL_BAD_PARAMETER;
2176 goto cleanup_img;
2177 }
2178
2179 err = _eglParseImageAttribList(&attrs, disp, attr_list);
2180 if (err != EGL_SUCCESS)
2181 goto cleanup_img;
2182
2183 if (attrs.Width <= 0 || attrs.Height <= 0) {
2184 _eglLog(_EGL_WARNING, "bad width or height (%dx%d)",
2185 attrs.Width, attrs.Height);
2186 goto cleanup_img;
2187 }
2188
2189 switch (attrs.DRMBufferFormatMESA) {
2190 case EGL_DRM_BUFFER_FORMAT_ARGB32_MESA:
2191 format = __DRI_IMAGE_FORMAT_ARGB8888;
2192 break;
2193 default:
2194 _eglLog(_EGL_WARNING, "bad image format value 0x%04x",
2195 attrs.DRMBufferFormatMESA);
2196 goto cleanup_img;
2197 }
2198
2199 valid_mask =
2200 EGL_DRM_BUFFER_USE_SCANOUT_MESA |
2201 EGL_DRM_BUFFER_USE_SHARE_MESA |
2202 EGL_DRM_BUFFER_USE_CURSOR_MESA;
2203 if (attrs.DRMBufferUseMESA & ~valid_mask) {
2204 _eglLog(_EGL_WARNING, "bad image use bit 0x%04x",
2205 attrs.DRMBufferUseMESA & ~valid_mask);
2206 goto cleanup_img;
2207 }
2208
2209 dri_use = 0;
2210 if (attrs.DRMBufferUseMESA & EGL_DRM_BUFFER_USE_SHARE_MESA)
2211 dri_use |= __DRI_IMAGE_USE_SHARE;
2212 if (attrs.DRMBufferUseMESA & EGL_DRM_BUFFER_USE_SCANOUT_MESA)
2213 dri_use |= __DRI_IMAGE_USE_SCANOUT;
2214 if (attrs.DRMBufferUseMESA & EGL_DRM_BUFFER_USE_CURSOR_MESA)
2215 dri_use |= __DRI_IMAGE_USE_CURSOR;
2216
2217 dri2_img->dri_image =
2218 dri2_dpy->image->createImage(dri2_dpy->dri_screen,
2219 attrs.Width, attrs.Height,
2220 format, dri_use, dri2_img);
2221 if (dri2_img->dri_image == NULL) {
2222 err = EGL_BAD_ALLOC;
2223 goto cleanup_img;
2224 }
2225
2226 return &dri2_img->base;
2227
2228 cleanup_img:
2229 free(dri2_img);
2230 _eglError(err, "dri2_create_drm_image_mesa");
2231
2232 return EGL_NO_IMAGE_KHR;
2233 }
2234
2235 static EGLBoolean
2236 dri2_export_drm_image_mesa(_EGLDriver *drv, _EGLDisplay *disp, _EGLImage *img,
2237 EGLint *name, EGLint *handle, EGLint *stride)
2238 {
2239 struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
2240 struct dri2_egl_image *dri2_img = dri2_egl_image(img);
2241
2242 (void) drv;
2243
2244 if (name && !dri2_dpy->image->queryImage(dri2_img->dri_image,
2245 __DRI_IMAGE_ATTRIB_NAME, name)) {
2246 _eglError(EGL_BAD_ALLOC, "dri2_export_drm_image_mesa");
2247 return EGL_FALSE;
2248 }
2249
2250 if (handle)
2251 dri2_dpy->image->queryImage(dri2_img->dri_image,
2252 __DRI_IMAGE_ATTRIB_HANDLE, handle);
2253
2254 if (stride)
2255 dri2_dpy->image->queryImage(dri2_img->dri_image,
2256 __DRI_IMAGE_ATTRIB_STRIDE, stride);
2257
2258 return EGL_TRUE;
2259 }
2260
2261 static EGLBoolean
2262 dri2_export_dma_buf_image_query_mesa(_EGLDriver *drv, _EGLDisplay *disp,
2263 _EGLImage *img,
2264 EGLint *fourcc, EGLint *nplanes,
2265 EGLuint64KHR *modifiers)
2266 {
2267 struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
2268 struct dri2_egl_image *dri2_img = dri2_egl_image(img);
2269
2270 (void) drv;
2271
2272
2273 if (nplanes)
2274 dri2_dpy->image->queryImage(dri2_img->dri_image,
2275 __DRI_IMAGE_ATTRIB_NUM_PLANES, nplanes);
2276 if (fourcc)
2277 dri2_dpy->image->queryImage(dri2_img->dri_image,
2278 __DRI_IMAGE_ATTRIB_FOURCC, fourcc);
2279
2280 if (modifiers)
2281 *modifiers = 0;
2282
2283 return EGL_TRUE;
2284 }
2285
2286 static EGLBoolean
2287 dri2_export_dma_buf_image_mesa(_EGLDriver *drv, _EGLDisplay *disp, _EGLImage *img,
2288 int *fds, EGLint *strides, EGLint *offsets)
2289 {
2290 struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
2291 struct dri2_egl_image *dri2_img = dri2_egl_image(img);
2292
2293 (void) drv;
2294
2295 /* rework later to provide multiple fds/strides/offsets */
2296 if (fds)
2297 dri2_dpy->image->queryImage(dri2_img->dri_image,
2298 __DRI_IMAGE_ATTRIB_FD, fds);
2299
2300 if (strides)
2301 dri2_dpy->image->queryImage(dri2_img->dri_image,
2302 __DRI_IMAGE_ATTRIB_STRIDE, strides);
2303
2304 if (offsets) {
2305 int img_offset;
2306 bool ret = dri2_dpy->image->queryImage(dri2_img->dri_image,
2307 __DRI_IMAGE_ATTRIB_OFFSET, &img_offset);
2308 if (ret)
2309 offsets[0] = img_offset;
2310 else
2311 offsets[0] = 0;
2312 }
2313
2314 return EGL_TRUE;
2315 }
2316
2317 #endif
2318
2319 _EGLImage *
2320 dri2_create_image_khr(_EGLDriver *drv, _EGLDisplay *disp,
2321 _EGLContext *ctx, EGLenum target,
2322 EGLClientBuffer buffer, const EGLint *attr_list)
2323 {
2324 (void) drv;
2325
2326 switch (target) {
2327 case EGL_GL_TEXTURE_2D_KHR:
2328 case EGL_GL_TEXTURE_CUBE_MAP_POSITIVE_X_KHR:
2329 case EGL_GL_TEXTURE_CUBE_MAP_NEGATIVE_X_KHR:
2330 case EGL_GL_TEXTURE_CUBE_MAP_POSITIVE_Y_KHR:
2331 case EGL_GL_TEXTURE_CUBE_MAP_NEGATIVE_Y_KHR:
2332 case EGL_GL_TEXTURE_CUBE_MAP_POSITIVE_Z_KHR:
2333 case EGL_GL_TEXTURE_CUBE_MAP_NEGATIVE_Z_KHR:
2334 return dri2_create_image_khr_texture(disp, ctx, target, buffer, attr_list);
2335 case EGL_GL_TEXTURE_3D_KHR:
2336 if (disp->Extensions.KHR_gl_texture_3D_image) {
2337 return dri2_create_image_khr_texture(disp, ctx, target, buffer, attr_list);
2338 }
2339 else {
2340 _eglError(EGL_BAD_PARAMETER, "dri2_create_image_khr");
2341 return EGL_NO_IMAGE_KHR;
2342 }
2343 case EGL_GL_RENDERBUFFER_KHR:
2344 return dri2_create_image_khr_renderbuffer(disp, ctx, buffer, attr_list);
2345 #ifdef HAVE_LIBDRM
2346 case EGL_DRM_BUFFER_MESA:
2347 return dri2_create_image_mesa_drm_buffer(disp, ctx, buffer, attr_list);
2348 case EGL_LINUX_DMA_BUF_EXT:
2349 return dri2_create_image_dma_buf(disp, ctx, buffer, attr_list);
2350 #endif
2351 #ifdef HAVE_WAYLAND_PLATFORM
2352 case EGL_WAYLAND_BUFFER_WL:
2353 return dri2_create_image_wayland_wl_buffer(disp, ctx, buffer, attr_list);
2354 #endif
2355 default:
2356 _eglError(EGL_BAD_PARAMETER, "dri2_create_image_khr");
2357 return EGL_NO_IMAGE_KHR;
2358 }
2359 }
2360
2361 static EGLBoolean
2362 dri2_destroy_image_khr(_EGLDriver *drv, _EGLDisplay *disp, _EGLImage *image)
2363 {
2364 struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
2365 struct dri2_egl_image *dri2_img = dri2_egl_image(image);
2366
2367 (void) drv;
2368
2369 dri2_dpy->image->destroyImage(dri2_img->dri_image);
2370 free(dri2_img);
2371
2372 return EGL_TRUE;
2373 }
2374
2375 #ifdef HAVE_WAYLAND_PLATFORM
2376
2377 static void
2378 dri2_wl_reference_buffer(void *user_data, uint32_t name, int fd,
2379 struct wl_drm_buffer *buffer)
2380 {
2381 _EGLDisplay *disp = user_data;
2382 struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
2383 __DRIimage *img;
2384 int i, dri_components = 0;
2385
2386 if (fd == -1)
2387 img = dri2_dpy->image->createImageFromNames(dri2_dpy->dri_screen,
2388 buffer->width,
2389 buffer->height,
2390 buffer->format,
2391 (int*)&name, 1,
2392 buffer->stride,
2393 buffer->offset,
2394 NULL);
2395 else
2396 img = dri2_dpy->image->createImageFromFds(dri2_dpy->dri_screen,
2397 buffer->width,
2398 buffer->height,
2399 buffer->format,
2400 &fd, 1,
2401 buffer->stride,
2402 buffer->offset,
2403 NULL);
2404
2405 if (img == NULL)
2406 return;
2407
2408 dri2_dpy->image->queryImage(img, __DRI_IMAGE_ATTRIB_COMPONENTS, &dri_components);
2409
2410 buffer->driver_format = NULL;
2411 for (i = 0; i < ARRAY_SIZE(wl_drm_components); i++)
2412 if (wl_drm_components[i].dri_components == dri_components)
2413 buffer->driver_format = &wl_drm_components[i];
2414
2415 if (buffer->driver_format == NULL)
2416 dri2_dpy->image->destroyImage(img);
2417 else
2418 buffer->driver_buffer = img;
2419 }
2420
2421 static void
2422 dri2_wl_release_buffer(void *user_data, struct wl_drm_buffer *buffer)
2423 {
2424 _EGLDisplay *disp = user_data;
2425 struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
2426
2427 dri2_dpy->image->destroyImage(buffer->driver_buffer);
2428 }
2429
2430 static struct wayland_drm_callbacks wl_drm_callbacks = {
2431 .authenticate = NULL,
2432 .reference_buffer = dri2_wl_reference_buffer,
2433 .release_buffer = dri2_wl_release_buffer
2434 };
2435
2436 static EGLBoolean
2437 dri2_bind_wayland_display_wl(_EGLDriver *drv, _EGLDisplay *disp,
2438 struct wl_display *wl_dpy)
2439 {
2440 struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
2441 int flags = 0;
2442 uint64_t cap;
2443
2444 (void) drv;
2445
2446 if (dri2_dpy->wl_server_drm)
2447 return EGL_FALSE;
2448
2449 wl_drm_callbacks.authenticate =
2450 (int(*)(void *, uint32_t)) dri2_dpy->vtbl->authenticate;
2451
2452 if (drmGetCap(dri2_dpy->fd, DRM_CAP_PRIME, &cap) == 0 &&
2453 cap == (DRM_PRIME_CAP_IMPORT | DRM_PRIME_CAP_EXPORT) &&
2454 dri2_dpy->image->base.version >= 7 &&
2455 dri2_dpy->image->createImageFromFds != NULL)
2456 flags |= WAYLAND_DRM_PRIME;
2457
2458 dri2_dpy->wl_server_drm =
2459 wayland_drm_init(wl_dpy, dri2_dpy->device_name,
2460 &wl_drm_callbacks, disp, flags);
2461
2462 if (!dri2_dpy->wl_server_drm)
2463 return EGL_FALSE;
2464
2465 #ifdef HAVE_DRM_PLATFORM
2466 /* We have to share the wl_drm instance with gbm, so gbm can convert
2467 * wl_buffers to gbm bos. */
2468 if (dri2_dpy->gbm_dri)
2469 dri2_dpy->gbm_dri->wl_drm = dri2_dpy->wl_server_drm;
2470 #endif
2471
2472 return EGL_TRUE;
2473 }
2474
2475 static EGLBoolean
2476 dri2_unbind_wayland_display_wl(_EGLDriver *drv, _EGLDisplay *disp,
2477 struct wl_display *wl_dpy)
2478 {
2479 struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
2480
2481 (void) drv;
2482
2483 if (!dri2_dpy->wl_server_drm)
2484 return EGL_FALSE;
2485
2486 wayland_drm_uninit(dri2_dpy->wl_server_drm);
2487 dri2_dpy->wl_server_drm = NULL;
2488
2489 return EGL_TRUE;
2490 }
2491
2492 static EGLBoolean
2493 dri2_query_wayland_buffer_wl(_EGLDriver *drv, _EGLDisplay *disp,
2494 struct wl_resource *buffer_resource,
2495 EGLint attribute, EGLint *value)
2496 {
2497 struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
2498 struct wl_drm_buffer *buffer;
2499 const struct wl_drm_components_descriptor *format;
2500
2501 buffer = wayland_drm_buffer_get(dri2_dpy->wl_server_drm, buffer_resource);
2502 if (!buffer)
2503 return EGL_FALSE;
2504
2505 format = buffer->driver_format;
2506 switch (attribute) {
2507 case EGL_TEXTURE_FORMAT:
2508 *value = format->components;
2509 return EGL_TRUE;
2510 case EGL_WIDTH:
2511 *value = buffer->width;
2512 return EGL_TRUE;
2513 case EGL_HEIGHT:
2514 *value = buffer->height;
2515 return EGL_TRUE;
2516 }
2517
2518 return EGL_FALSE;
2519 }
2520 #endif
2521
2522 static void
2523 dri2_egl_ref_sync(struct dri2_egl_sync *sync)
2524 {
2525 p_atomic_inc(&sync->refcount);
2526 }
2527
2528 static void
2529 dri2_egl_unref_sync(struct dri2_egl_display *dri2_dpy,
2530 struct dri2_egl_sync *dri2_sync)
2531 {
2532 if (p_atomic_dec_zero(&dri2_sync->refcount)) {
2533 switch (dri2_sync->base.Type) {
2534 case EGL_SYNC_REUSABLE_KHR:
2535 cnd_destroy(&dri2_sync->cond);
2536 break;
2537 case EGL_SYNC_NATIVE_FENCE_ANDROID:
2538 if (dri2_sync->base.SyncFd != EGL_NO_NATIVE_FENCE_FD_ANDROID)
2539 close(dri2_sync->base.SyncFd);
2540 break;
2541 default:
2542 break;
2543 }
2544
2545 if (dri2_sync->fence)
2546 dri2_dpy->fence->destroy_fence(dri2_dpy->dri_screen, dri2_sync->fence);
2547
2548 free(dri2_sync);
2549 }
2550 }
2551
2552 static _EGLSync *
2553 dri2_create_sync(_EGLDriver *drv, _EGLDisplay *dpy,
2554 EGLenum type, const EGLAttrib *attrib_list)
2555 {
2556 _EGLContext *ctx = _eglGetCurrentContext();
2557 struct dri2_egl_display *dri2_dpy = dri2_egl_display(dpy);
2558 struct dri2_egl_context *dri2_ctx = dri2_egl_context(ctx);
2559 struct dri2_egl_sync *dri2_sync;
2560 EGLint ret;
2561 pthread_condattr_t attr;
2562
2563 dri2_sync = calloc(1, sizeof(struct dri2_egl_sync));
2564 if (!dri2_sync) {
2565 _eglError(EGL_BAD_ALLOC, "eglCreateSyncKHR");
2566 return NULL;
2567 }
2568
2569 if (!_eglInitSync(&dri2_sync->base, dpy, type, attrib_list)) {
2570 free(dri2_sync);
2571 return NULL;
2572 }
2573
2574 switch (type) {
2575 case EGL_SYNC_FENCE_KHR:
2576 dri2_sync->fence = dri2_dpy->fence->create_fence(dri2_ctx->dri_context);
2577 if (!dri2_sync->fence) {
2578 /* Why did it fail? DRI doesn't return an error code, so we emit
2579 * a generic EGL error that doesn't communicate user error.
2580 */
2581 _eglError(EGL_BAD_ALLOC, "eglCreateSyncKHR");
2582 free(dri2_sync);
2583 return NULL;
2584 }
2585 break;
2586
2587 case EGL_SYNC_CL_EVENT_KHR:
2588 dri2_sync->fence = dri2_dpy->fence->get_fence_from_cl_event(
2589 dri2_dpy->dri_screen,
2590 dri2_sync->base.CLEvent);
2591 /* this can only happen if the cl_event passed in is invalid. */
2592 if (!dri2_sync->fence) {
2593 _eglError(EGL_BAD_ATTRIBUTE, "eglCreateSyncKHR");
2594 free(dri2_sync);
2595 return NULL;
2596 }
2597
2598 /* the initial status must be "signaled" if the cl_event is signaled */
2599 if (dri2_dpy->fence->client_wait_sync(dri2_ctx->dri_context,
2600 dri2_sync->fence, 0, 0))
2601 dri2_sync->base.SyncStatus = EGL_SIGNALED_KHR;
2602 break;
2603
2604 case EGL_SYNC_REUSABLE_KHR:
2605 /* intialize attr */
2606 ret = pthread_condattr_init(&attr);
2607
2608 if (ret) {
2609 _eglError(EGL_BAD_ACCESS, "eglCreateSyncKHR");
2610 free(dri2_sync);
2611 return NULL;
2612 }
2613
2614 /* change clock attribute to CLOCK_MONOTONIC */
2615 ret = pthread_condattr_setclock(&attr, CLOCK_MONOTONIC);
2616
2617 if (ret) {
2618 _eglError(EGL_BAD_ACCESS, "eglCreateSyncKHR");
2619 free(dri2_sync);
2620 return NULL;
2621 }
2622
2623 ret = pthread_cond_init(&dri2_sync->cond, &attr);
2624
2625 if (ret) {
2626 _eglError(EGL_BAD_ACCESS, "eglCreateSyncKHR");
2627 free(dri2_sync);
2628 return NULL;
2629 }
2630
2631 /* initial status of reusable sync must be "unsignaled" */
2632 dri2_sync->base.SyncStatus = EGL_UNSIGNALED_KHR;
2633 break;
2634
2635 case EGL_SYNC_NATIVE_FENCE_ANDROID:
2636 if (dri2_dpy->fence->create_fence_fd) {
2637 dri2_sync->fence = dri2_dpy->fence->create_fence_fd(
2638 dri2_ctx->dri_context,
2639 dri2_sync->base.SyncFd);
2640 }
2641 if (!dri2_sync->fence) {
2642 _eglError(EGL_BAD_ATTRIBUTE, "eglCreateSyncKHR");
2643 free(dri2_sync);
2644 return NULL;
2645 }
2646 break;
2647 }
2648
2649 p_atomic_set(&dri2_sync->refcount, 1);
2650 return &dri2_sync->base;
2651 }
2652
2653 static EGLBoolean
2654 dri2_destroy_sync(_EGLDriver *drv, _EGLDisplay *dpy, _EGLSync *sync)
2655 {
2656 struct dri2_egl_display *dri2_dpy = dri2_egl_display(dpy);
2657 struct dri2_egl_sync *dri2_sync = dri2_egl_sync(sync);
2658 EGLint ret = EGL_TRUE;
2659 EGLint err;
2660
2661 /* if type of sync is EGL_SYNC_REUSABLE_KHR and it is not signaled yet,
2662 * then unlock all threads possibly blocked by the reusable sync before
2663 * destroying it.
2664 */
2665 if (dri2_sync->base.Type == EGL_SYNC_REUSABLE_KHR &&
2666 dri2_sync->base.SyncStatus == EGL_UNSIGNALED_KHR) {
2667 dri2_sync->base.SyncStatus = EGL_SIGNALED_KHR;
2668 /* unblock all threads currently blocked by sync */
2669 err = cnd_broadcast(&dri2_sync->cond);
2670
2671 if (err) {
2672 _eglError(EGL_BAD_ACCESS, "eglDestroySyncKHR");
2673 ret = EGL_FALSE;
2674 }
2675 }
2676
2677 dri2_egl_unref_sync(dri2_dpy, dri2_sync);
2678
2679 return ret;
2680 }
2681
2682 static EGLint
2683 dri2_dup_native_fence_fd(_EGLDriver *drv, _EGLDisplay *dpy, _EGLSync *sync)
2684 {
2685 struct dri2_egl_display *dri2_dpy = dri2_egl_display(dpy);
2686 struct dri2_egl_sync *dri2_sync = dri2_egl_sync(sync);
2687
2688 assert(sync->Type == EGL_SYNC_NATIVE_FENCE_ANDROID);
2689
2690 if (sync->SyncFd == EGL_NO_NATIVE_FENCE_FD_ANDROID) {
2691 /* try to retrieve the actual native fence fd.. if rendering is
2692 * not flushed this will just return -1, aka NO_NATIVE_FENCE_FD:
2693 */
2694 sync->SyncFd = dri2_dpy->fence->get_fence_fd(dri2_dpy->dri_screen,
2695 dri2_sync->fence);
2696 }
2697
2698 if (sync->SyncFd == EGL_NO_NATIVE_FENCE_FD_ANDROID) {
2699 /* if native fence fd still not created, return an error: */
2700 _eglError(EGL_BAD_PARAMETER, "eglDupNativeFenceFDANDROID");
2701 return EGL_NO_NATIVE_FENCE_FD_ANDROID;
2702 }
2703
2704 return dup(sync->SyncFd);
2705 }
2706
2707 static EGLint
2708 dri2_client_wait_sync(_EGLDriver *drv, _EGLDisplay *dpy, _EGLSync *sync,
2709 EGLint flags, EGLTime timeout)
2710 {
2711 _EGLContext *ctx = _eglGetCurrentContext();
2712 struct dri2_egl_driver *dri2_drv = dri2_egl_driver(drv);
2713 struct dri2_egl_display *dri2_dpy = dri2_egl_display(dpy);
2714 struct dri2_egl_context *dri2_ctx = dri2_egl_context(ctx);
2715 struct dri2_egl_sync *dri2_sync = dri2_egl_sync(sync);
2716 unsigned wait_flags = 0;
2717
2718 /* timespecs for cnd_timedwait */
2719 struct timespec current;
2720 xtime expire;
2721
2722 EGLint ret = EGL_CONDITION_SATISFIED_KHR;
2723
2724 /* The EGL_KHR_fence_sync spec states:
2725 *
2726 * "If no context is current for the bound API,
2727 * the EGL_SYNC_FLUSH_COMMANDS_BIT_KHR bit is ignored.
2728 */
2729 if (dri2_ctx && flags & EGL_SYNC_FLUSH_COMMANDS_BIT_KHR)
2730 wait_flags |= __DRI2_FENCE_FLAG_FLUSH_COMMANDS;
2731
2732 /* the sync object should take a reference while waiting */
2733 dri2_egl_ref_sync(dri2_sync);
2734
2735 switch (sync->Type) {
2736 case EGL_SYNC_FENCE_KHR:
2737 case EGL_SYNC_NATIVE_FENCE_ANDROID:
2738 case EGL_SYNC_CL_EVENT_KHR:
2739 if (dri2_dpy->fence->client_wait_sync(dri2_ctx ? dri2_ctx->dri_context : NULL,
2740 dri2_sync->fence, wait_flags,
2741 timeout))
2742 dri2_sync->base.SyncStatus = EGL_SIGNALED_KHR;
2743 else
2744 ret = EGL_TIMEOUT_EXPIRED_KHR;
2745 break;
2746
2747 case EGL_SYNC_REUSABLE_KHR:
2748 if (dri2_ctx && dri2_sync->base.SyncStatus == EGL_UNSIGNALED_KHR &&
2749 (flags & EGL_SYNC_FLUSH_COMMANDS_BIT_KHR)) {
2750 /* flush context if EGL_SYNC_FLUSH_COMMANDS_BIT_KHR is set */
2751 dri2_drv->glFlush();
2752 }
2753
2754 /* if timeout is EGL_FOREVER_KHR, it should wait without any timeout.*/
2755 if (timeout == EGL_FOREVER_KHR) {
2756 mtx_lock(&dri2_sync->mutex);
2757 cnd_wait(&dri2_sync->cond, &dri2_sync->mutex);
2758 mtx_unlock(&dri2_sync->mutex);
2759 } else {
2760 /* if reusable sync has not been yet signaled */
2761 if (dri2_sync->base.SyncStatus != EGL_SIGNALED_KHR) {
2762 clock_gettime(CLOCK_MONOTONIC, &current);
2763
2764 /* calculating when to expire */
2765 expire.nsec = timeout % 1000000000L;
2766 expire.sec = timeout / 1000000000L;
2767
2768 expire.nsec += current.tv_nsec;
2769 expire.sec += current.tv_sec;
2770
2771 /* expire.nsec now is a number between 0 and 1999999998 */
2772 if (expire.nsec > 999999999L) {
2773 expire.sec++;
2774 expire.nsec -= 1000000000L;
2775 }
2776
2777 mtx_lock(&dri2_sync->mutex);
2778 ret = cnd_timedwait(&dri2_sync->cond, &dri2_sync->mutex, &expire);
2779 mtx_unlock(&dri2_sync->mutex);
2780
2781 if (ret == thrd_busy) {
2782 if (dri2_sync->base.SyncStatus == EGL_UNSIGNALED_KHR) {
2783 ret = EGL_TIMEOUT_EXPIRED_KHR;
2784 } else {
2785 _eglError(EGL_BAD_ACCESS, "eglClientWaitSyncKHR");
2786 ret = EGL_FALSE;
2787 }
2788 }
2789 }
2790 }
2791 break;
2792 }
2793 dri2_egl_unref_sync(dri2_dpy, dri2_sync);
2794
2795 return ret;
2796 }
2797
2798 static EGLBoolean
2799 dri2_signal_sync(_EGLDriver *drv, _EGLDisplay *dpy, _EGLSync *sync,
2800 EGLenum mode)
2801 {
2802 struct dri2_egl_sync *dri2_sync = dri2_egl_sync(sync);
2803 EGLint ret;
2804
2805 if (sync->Type != EGL_SYNC_REUSABLE_KHR) {
2806 _eglError(EGL_BAD_MATCH, "eglSignalSyncKHR");
2807 return EGL_FALSE;
2808 }
2809
2810 if (mode != EGL_SIGNALED_KHR && mode != EGL_UNSIGNALED_KHR) {
2811 _eglError(EGL_BAD_ATTRIBUTE, "eglSignalSyncKHR");
2812 return EGL_FALSE;
2813 }
2814
2815 dri2_sync->base.SyncStatus = mode;
2816
2817 if (mode == EGL_SIGNALED_KHR) {
2818 ret = cnd_broadcast(&dri2_sync->cond);
2819
2820 /* fail to broadcast */
2821 if (ret) {
2822 _eglError(EGL_BAD_ACCESS, "eglSignalSyncKHR");
2823 return EGL_FALSE;
2824 }
2825 }
2826
2827 return EGL_TRUE;
2828 }
2829
2830 static EGLint
2831 dri2_server_wait_sync(_EGLDriver *drv, _EGLDisplay *dpy, _EGLSync *sync)
2832 {
2833 _EGLContext *ctx = _eglGetCurrentContext();
2834 struct dri2_egl_display *dri2_dpy = dri2_egl_display(dpy);
2835 struct dri2_egl_context *dri2_ctx = dri2_egl_context(ctx);
2836 struct dri2_egl_sync *dri2_sync = dri2_egl_sync(sync);
2837
2838 dri2_dpy->fence->server_wait_sync(dri2_ctx->dri_context,
2839 dri2_sync->fence, 0);
2840 return EGL_TRUE;
2841 }
2842
2843 static int
2844 dri2_interop_query_device_info(_EGLDisplay *dpy, _EGLContext *ctx,
2845 struct mesa_glinterop_device_info *out)
2846 {
2847 struct dri2_egl_display *dri2_dpy = dri2_egl_display(dpy);
2848 struct dri2_egl_context *dri2_ctx = dri2_egl_context(ctx);
2849
2850 if (!dri2_dpy->interop)
2851 return MESA_GLINTEROP_UNSUPPORTED;
2852
2853 return dri2_dpy->interop->query_device_info(dri2_ctx->dri_context, out);
2854 }
2855
2856 static int
2857 dri2_interop_export_object(_EGLDisplay *dpy, _EGLContext *ctx,
2858 struct mesa_glinterop_export_in *in,
2859 struct mesa_glinterop_export_out *out)
2860 {
2861 struct dri2_egl_display *dri2_dpy = dri2_egl_display(dpy);
2862 struct dri2_egl_context *dri2_ctx = dri2_egl_context(ctx);
2863
2864 if (!dri2_dpy->interop)
2865 return MESA_GLINTEROP_UNSUPPORTED;
2866
2867 return dri2_dpy->interop->export_object(dri2_ctx->dri_context, in, out);
2868 }
2869
2870 static void
2871 dri2_unload(_EGLDriver *drv)
2872 {
2873 struct dri2_egl_driver *dri2_drv = dri2_egl_driver(drv);
2874
2875 dlclose(dri2_drv->handle);
2876 free(dri2_drv);
2877 }
2878
2879 static EGLBoolean
2880 dri2_load(_EGLDriver *drv)
2881 {
2882 struct dri2_egl_driver *dri2_drv = dri2_egl_driver(drv);
2883 #ifdef HAVE_ANDROID_PLATFORM
2884 const char *libname = "libglapi.so";
2885 #elif defined(__APPLE__)
2886 const char *libname = "libglapi.0.dylib";
2887 #elif defined(__CYGWIN__)
2888 const char *libname = "cygglapi-0.dll";
2889 #else
2890 const char *libname = "libglapi.so.0";
2891 #endif
2892 void *handle;
2893
2894 /* RTLD_GLOBAL to make sure glapi symbols are visible to DRI drivers */
2895 handle = dlopen(libname, RTLD_LAZY | RTLD_GLOBAL);
2896 if (!handle) {
2897 _eglLog(_EGL_WARNING, "DRI2: failed to open glapi provider");
2898 goto no_handle;
2899 }
2900
2901 dri2_drv->get_proc_address = (_EGLProc (*)(const char *))
2902 dlsym(handle, "_glapi_get_proc_address");
2903
2904 /* if glapi is not available, loading DRI drivers will fail */
2905 if (!dri2_drv->get_proc_address) {
2906 _eglLog(_EGL_WARNING, "DRI2: failed to find _glapi_get_proc_address");
2907 goto no_symbol;
2908 }
2909
2910 dri2_drv->glFlush = (void (*)(void))
2911 dri2_drv->get_proc_address("glFlush");
2912
2913 /* if glFlush is not available things are horribly broken */
2914 if (!dri2_drv->glFlush) {
2915 _eglLog(_EGL_WARNING, "DRI2: failed to find glFlush entry point");
2916 goto no_symbol;
2917 }
2918
2919 dri2_drv->handle = handle;
2920 return EGL_TRUE;
2921
2922 no_symbol:
2923 dlclose(handle);
2924 no_handle:
2925 return EGL_FALSE;
2926 }
2927
2928 /**
2929 * This is the main entrypoint into the driver, called by libEGL.
2930 * Create a new _EGLDriver object and init its dispatch table.
2931 */
2932 _EGLDriver *
2933 _eglBuiltInDriverDRI2(const char *args)
2934 {
2935 struct dri2_egl_driver *dri2_drv;
2936
2937 (void) args;
2938
2939 dri2_drv = calloc(1, sizeof *dri2_drv);
2940 if (!dri2_drv)
2941 return NULL;
2942
2943 if (!dri2_load(&dri2_drv->base)) {
2944 free(dri2_drv);
2945 return NULL;
2946 }
2947
2948 _eglInitDriverFallbacks(&dri2_drv->base);
2949 dri2_drv->base.API.Initialize = dri2_initialize;
2950 dri2_drv->base.API.Terminate = dri2_terminate;
2951 dri2_drv->base.API.CreateContext = dri2_create_context;
2952 dri2_drv->base.API.DestroyContext = dri2_destroy_context;
2953 dri2_drv->base.API.MakeCurrent = dri2_make_current;
2954 dri2_drv->base.API.CreateWindowSurface = dri2_create_window_surface;
2955 dri2_drv->base.API.CreatePixmapSurface = dri2_create_pixmap_surface;
2956 dri2_drv->base.API.CreatePbufferSurface = dri2_create_pbuffer_surface;
2957 dri2_drv->base.API.DestroySurface = dri2_destroy_surface;
2958 dri2_drv->base.API.GetProcAddress = dri2_get_proc_address;
2959 dri2_drv->base.API.WaitClient = dri2_wait_client;
2960 dri2_drv->base.API.WaitNative = dri2_wait_native;
2961 dri2_drv->base.API.BindTexImage = dri2_bind_tex_image;
2962 dri2_drv->base.API.ReleaseTexImage = dri2_release_tex_image;
2963 dri2_drv->base.API.SwapInterval = dri2_swap_interval;
2964 dri2_drv->base.API.SwapBuffers = dri2_swap_buffers;
2965 dri2_drv->base.API.SwapBuffersWithDamageEXT = dri2_swap_buffers_with_damage;
2966 dri2_drv->base.API.SwapBuffersRegionNOK = dri2_swap_buffers_region;
2967 dri2_drv->base.API.PostSubBufferNV = dri2_post_sub_buffer;
2968 dri2_drv->base.API.CopyBuffers = dri2_copy_buffers,
2969 dri2_drv->base.API.QueryBufferAge = dri2_query_buffer_age;
2970 dri2_drv->base.API.CreateImageKHR = dri2_create_image;
2971 dri2_drv->base.API.DestroyImageKHR = dri2_destroy_image_khr;
2972 dri2_drv->base.API.CreateWaylandBufferFromImageWL = dri2_create_wayland_buffer_from_image;
2973 dri2_drv->base.API.QuerySurface = dri2_query_surface;
2974 #ifdef HAVE_LIBDRM
2975 dri2_drv->base.API.CreateDRMImageMESA = dri2_create_drm_image_mesa;
2976 dri2_drv->base.API.ExportDRMImageMESA = dri2_export_drm_image_mesa;
2977 dri2_drv->base.API.ExportDMABUFImageQueryMESA = dri2_export_dma_buf_image_query_mesa;
2978 dri2_drv->base.API.ExportDMABUFImageMESA = dri2_export_dma_buf_image_mesa;
2979 #endif
2980 #ifdef HAVE_WAYLAND_PLATFORM
2981 dri2_drv->base.API.BindWaylandDisplayWL = dri2_bind_wayland_display_wl;
2982 dri2_drv->base.API.UnbindWaylandDisplayWL = dri2_unbind_wayland_display_wl;
2983 dri2_drv->base.API.QueryWaylandBufferWL = dri2_query_wayland_buffer_wl;
2984 #endif
2985 dri2_drv->base.API.GetSyncValuesCHROMIUM = dri2_get_sync_values_chromium;
2986 dri2_drv->base.API.CreateSyncKHR = dri2_create_sync;
2987 dri2_drv->base.API.ClientWaitSyncKHR = dri2_client_wait_sync;
2988 dri2_drv->base.API.SignalSyncKHR = dri2_signal_sync;
2989 dri2_drv->base.API.WaitSyncKHR = dri2_server_wait_sync;
2990 dri2_drv->base.API.DestroySyncKHR = dri2_destroy_sync;
2991 dri2_drv->base.API.GLInteropQueryDeviceInfo = dri2_interop_query_device_info;
2992 dri2_drv->base.API.GLInteropExportObject = dri2_interop_export_object;
2993 dri2_drv->base.API.DupNativeFenceFDANDROID = dri2_dup_native_fence_fd;
2994
2995 dri2_drv->base.Name = "DRI2";
2996 dri2_drv->base.Unload = dri2_unload;
2997
2998 return &dri2_drv->base;
2999 }