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egl/dri3: implement query surface hook
[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 const __DRIuseInvalidateExtension use_invalidate = {
87 .base = { __DRI_USE_INVALIDATE, 1 }
88 };
89
90 EGLint dri2_to_egl_attribute_map[] = {
91 0,
92 EGL_BUFFER_SIZE, /* __DRI_ATTRIB_BUFFER_SIZE */
93 EGL_LEVEL, /* __DRI_ATTRIB_LEVEL */
94 EGL_RED_SIZE, /* __DRI_ATTRIB_RED_SIZE */
95 EGL_GREEN_SIZE, /* __DRI_ATTRIB_GREEN_SIZE */
96 EGL_BLUE_SIZE, /* __DRI_ATTRIB_BLUE_SIZE */
97 EGL_LUMINANCE_SIZE, /* __DRI_ATTRIB_LUMINANCE_SIZE */
98 EGL_ALPHA_SIZE, /* __DRI_ATTRIB_ALPHA_SIZE */
99 0, /* __DRI_ATTRIB_ALPHA_MASK_SIZE */
100 EGL_DEPTH_SIZE, /* __DRI_ATTRIB_DEPTH_SIZE */
101 EGL_STENCIL_SIZE, /* __DRI_ATTRIB_STENCIL_SIZE */
102 0, /* __DRI_ATTRIB_ACCUM_RED_SIZE */
103 0, /* __DRI_ATTRIB_ACCUM_GREEN_SIZE */
104 0, /* __DRI_ATTRIB_ACCUM_BLUE_SIZE */
105 0, /* __DRI_ATTRIB_ACCUM_ALPHA_SIZE */
106 EGL_SAMPLE_BUFFERS, /* __DRI_ATTRIB_SAMPLE_BUFFERS */
107 EGL_SAMPLES, /* __DRI_ATTRIB_SAMPLES */
108 0, /* __DRI_ATTRIB_RENDER_TYPE, */
109 0, /* __DRI_ATTRIB_CONFIG_CAVEAT */
110 0, /* __DRI_ATTRIB_CONFORMANT */
111 0, /* __DRI_ATTRIB_DOUBLE_BUFFER */
112 0, /* __DRI_ATTRIB_STEREO */
113 0, /* __DRI_ATTRIB_AUX_BUFFERS */
114 0, /* __DRI_ATTRIB_TRANSPARENT_TYPE */
115 0, /* __DRI_ATTRIB_TRANSPARENT_INDEX_VALUE */
116 0, /* __DRI_ATTRIB_TRANSPARENT_RED_VALUE */
117 0, /* __DRI_ATTRIB_TRANSPARENT_GREEN_VALUE */
118 0, /* __DRI_ATTRIB_TRANSPARENT_BLUE_VALUE */
119 0, /* __DRI_ATTRIB_TRANSPARENT_ALPHA_VALUE */
120 0, /* __DRI_ATTRIB_FLOAT_MODE (deprecated) */
121 0, /* __DRI_ATTRIB_RED_MASK */
122 0, /* __DRI_ATTRIB_GREEN_MASK */
123 0, /* __DRI_ATTRIB_BLUE_MASK */
124 0, /* __DRI_ATTRIB_ALPHA_MASK */
125 EGL_MAX_PBUFFER_WIDTH, /* __DRI_ATTRIB_MAX_PBUFFER_WIDTH */
126 EGL_MAX_PBUFFER_HEIGHT, /* __DRI_ATTRIB_MAX_PBUFFER_HEIGHT */
127 EGL_MAX_PBUFFER_PIXELS, /* __DRI_ATTRIB_MAX_PBUFFER_PIXELS */
128 0, /* __DRI_ATTRIB_OPTIMAL_PBUFFER_WIDTH */
129 0, /* __DRI_ATTRIB_OPTIMAL_PBUFFER_HEIGHT */
130 0, /* __DRI_ATTRIB_VISUAL_SELECT_GROUP */
131 0, /* __DRI_ATTRIB_SWAP_METHOD */
132 EGL_MAX_SWAP_INTERVAL, /* __DRI_ATTRIB_MAX_SWAP_INTERVAL */
133 EGL_MIN_SWAP_INTERVAL, /* __DRI_ATTRIB_MIN_SWAP_INTERVAL */
134 0, /* __DRI_ATTRIB_BIND_TO_TEXTURE_RGB */
135 0, /* __DRI_ATTRIB_BIND_TO_TEXTURE_RGBA */
136 0, /* __DRI_ATTRIB_BIND_TO_MIPMAP_TEXTURE */
137 0, /* __DRI_ATTRIB_BIND_TO_TEXTURE_TARGETS */
138 EGL_Y_INVERTED_NOK, /* __DRI_ATTRIB_YINVERTED */
139 0, /* __DRI_ATTRIB_FRAMEBUFFER_SRGB_CAPABLE */
140 };
141
142 const __DRIconfig *
143 dri2_get_dri_config(struct dri2_egl_config *conf, EGLint surface_type,
144 EGLenum colorspace)
145 {
146 const bool srgb = colorspace == EGL_GL_COLORSPACE_SRGB_KHR;
147
148 return surface_type == EGL_WINDOW_BIT ? conf->dri_double_config[srgb] :
149 conf->dri_single_config[srgb];
150 }
151
152 static EGLBoolean
153 dri2_match_config(const _EGLConfig *conf, const _EGLConfig *criteria)
154 {
155 if (_eglCompareConfigs(conf, criteria, NULL, EGL_FALSE) != 0)
156 return EGL_FALSE;
157
158 if (!_eglMatchConfig(conf, criteria))
159 return EGL_FALSE;
160
161 return EGL_TRUE;
162 }
163
164 struct dri2_egl_config *
165 dri2_add_config(_EGLDisplay *disp, const __DRIconfig *dri_config, int id,
166 EGLint surface_type, const EGLint *attr_list,
167 const unsigned int *rgba_masks)
168 {
169 struct dri2_egl_config *conf;
170 struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
171 _EGLConfig base;
172 unsigned int attrib, value, double_buffer;
173 bool srgb = false;
174 EGLint key, bind_to_texture_rgb, bind_to_texture_rgba;
175 unsigned int dri_masks[4] = { 0, 0, 0, 0 };
176 _EGLConfig *matching_config;
177 EGLint num_configs = 0;
178 EGLint config_id;
179 int i;
180
181 _eglInitConfig(&base, disp, id);
182
183 i = 0;
184 double_buffer = 0;
185 bind_to_texture_rgb = 0;
186 bind_to_texture_rgba = 0;
187
188 while (dri2_dpy->core->indexConfigAttrib(dri_config, i++, &attrib, &value)) {
189 switch (attrib) {
190 case __DRI_ATTRIB_RENDER_TYPE:
191 if (value & __DRI_ATTRIB_RGBA_BIT)
192 value = EGL_RGB_BUFFER;
193 else if (value & __DRI_ATTRIB_LUMINANCE_BIT)
194 value = EGL_LUMINANCE_BUFFER;
195 else
196 return NULL;
197 _eglSetConfigKey(&base, EGL_COLOR_BUFFER_TYPE, value);
198 break;
199
200 case __DRI_ATTRIB_CONFIG_CAVEAT:
201 if (value & __DRI_ATTRIB_NON_CONFORMANT_CONFIG)
202 value = EGL_NON_CONFORMANT_CONFIG;
203 else if (value & __DRI_ATTRIB_SLOW_BIT)
204 value = EGL_SLOW_CONFIG;
205 else
206 value = EGL_NONE;
207 _eglSetConfigKey(&base, EGL_CONFIG_CAVEAT, value);
208 break;
209
210 case __DRI_ATTRIB_BIND_TO_TEXTURE_RGB:
211 bind_to_texture_rgb = value;
212 break;
213
214 case __DRI_ATTRIB_BIND_TO_TEXTURE_RGBA:
215 bind_to_texture_rgba = value;
216 break;
217
218 case __DRI_ATTRIB_DOUBLE_BUFFER:
219 double_buffer = value;
220 break;
221
222 case __DRI_ATTRIB_RED_MASK:
223 dri_masks[0] = value;
224 break;
225
226 case __DRI_ATTRIB_GREEN_MASK:
227 dri_masks[1] = value;
228 break;
229
230 case __DRI_ATTRIB_BLUE_MASK:
231 dri_masks[2] = value;
232 break;
233
234 case __DRI_ATTRIB_ALPHA_MASK:
235 dri_masks[3] = value;
236 break;
237
238 case __DRI_ATTRIB_ACCUM_RED_SIZE:
239 case __DRI_ATTRIB_ACCUM_GREEN_SIZE:
240 case __DRI_ATTRIB_ACCUM_BLUE_SIZE:
241 case __DRI_ATTRIB_ACCUM_ALPHA_SIZE:
242 /* Don't expose visuals with the accumulation buffer. */
243 if (value > 0)
244 return NULL;
245 break;
246
247 case __DRI_ATTRIB_FRAMEBUFFER_SRGB_CAPABLE:
248 srgb = value != 0;
249 if (!disp->Extensions.KHR_gl_colorspace && srgb)
250 return NULL;
251 break;
252
253 case __DRI_ATTRIB_MAX_PBUFFER_WIDTH:
254 _eglSetConfigKey(&base, EGL_MAX_PBUFFER_WIDTH,
255 _EGL_MAX_PBUFFER_WIDTH);
256 break;
257 case __DRI_ATTRIB_MAX_PBUFFER_HEIGHT:
258 _eglSetConfigKey(&base, EGL_MAX_PBUFFER_HEIGHT,
259 _EGL_MAX_PBUFFER_HEIGHT);
260 break;
261
262 default:
263 key = dri2_to_egl_attribute_map[attrib];
264 if (key != 0)
265 _eglSetConfigKey(&base, key, value);
266 break;
267 }
268 }
269
270 if (attr_list)
271 for (i = 0; attr_list[i] != EGL_NONE; i += 2)
272 _eglSetConfigKey(&base, attr_list[i], attr_list[i+1]);
273
274 if (rgba_masks && memcmp(rgba_masks, dri_masks, sizeof(dri_masks)))
275 return NULL;
276
277 base.NativeRenderable = EGL_TRUE;
278
279 base.SurfaceType = surface_type;
280 if (surface_type & (EGL_PBUFFER_BIT |
281 (disp->Extensions.NOK_texture_from_pixmap ? EGL_PIXMAP_BIT : 0))) {
282 base.BindToTextureRGB = bind_to_texture_rgb;
283 if (base.AlphaSize > 0)
284 base.BindToTextureRGBA = bind_to_texture_rgba;
285 }
286
287 base.RenderableType = disp->ClientAPIs;
288 base.Conformant = disp->ClientAPIs;
289
290 base.MinSwapInterval = dri2_dpy->min_swap_interval;
291 base.MaxSwapInterval = dri2_dpy->max_swap_interval;
292
293 if (!_eglValidateConfig(&base, EGL_FALSE)) {
294 _eglLog(_EGL_DEBUG, "DRI2: failed to validate config %d", id);
295 return NULL;
296 }
297
298 config_id = base.ConfigID;
299 base.ConfigID = EGL_DONT_CARE;
300 base.SurfaceType = EGL_DONT_CARE;
301 num_configs = _eglFilterArray(disp->Configs, (void **) &matching_config, 1,
302 (_EGLArrayForEach) dri2_match_config, &base);
303
304 if (num_configs == 1) {
305 conf = (struct dri2_egl_config *) matching_config;
306
307 if (double_buffer && !conf->dri_double_config[srgb])
308 conf->dri_double_config[srgb] = dri_config;
309 else if (!double_buffer && !conf->dri_single_config[srgb])
310 conf->dri_single_config[srgb] = dri_config;
311 else
312 /* a similar config type is already added (unlikely) => discard */
313 return NULL;
314 }
315 else if (num_configs == 0) {
316 conf = calloc(1, sizeof *conf);
317 if (conf == NULL)
318 return NULL;
319
320 if (double_buffer)
321 conf->dri_double_config[srgb] = dri_config;
322 else
323 conf->dri_single_config[srgb] = dri_config;
324
325 memcpy(&conf->base, &base, sizeof base);
326 conf->base.SurfaceType = 0;
327 conf->base.ConfigID = config_id;
328
329 _eglLinkConfig(&conf->base);
330 }
331 else {
332 assert(0);
333 return NULL;
334 }
335
336 if (double_buffer) {
337 surface_type &= ~EGL_PIXMAP_BIT;
338 }
339
340 /* No support for pbuffer + MSAA for now.
341 *
342 * XXX TODO: pbuffer + MSAA does not work and causes crashes.
343 * See QT bugreport: https://bugreports.qt.io/browse/QTBUG-47509
344 */
345 if (base.Samples) {
346 surface_type &= ~EGL_PBUFFER_BIT;
347 }
348
349 conf->base.SurfaceType |= surface_type;
350
351 return conf;
352 }
353
354 __DRIimage *
355 dri2_lookup_egl_image(__DRIscreen *screen, void *image, void *data)
356 {
357 _EGLDisplay *disp = data;
358 struct dri2_egl_image *dri2_img;
359 _EGLImage *img;
360
361 (void) screen;
362
363 img = _eglLookupImage(image, disp);
364 if (img == NULL) {
365 _eglError(EGL_BAD_PARAMETER, "dri2_lookup_egl_image");
366 return NULL;
367 }
368
369 dri2_img = dri2_egl_image(image);
370
371 return dri2_img->dri_image;
372 }
373
374 const __DRIimageLookupExtension image_lookup_extension = {
375 .base = { __DRI_IMAGE_LOOKUP, 1 },
376
377 .lookupEGLImage = dri2_lookup_egl_image
378 };
379
380 struct dri2_extension_match {
381 const char *name;
382 int version;
383 int offset;
384 };
385
386 static const struct dri2_extension_match dri3_driver_extensions[] = {
387 { __DRI_CORE, 1, offsetof(struct dri2_egl_display, core) },
388 { __DRI_IMAGE_DRIVER, 1, offsetof(struct dri2_egl_display, image_driver) },
389 { NULL, 0, 0 }
390 };
391
392 static const struct dri2_extension_match dri2_driver_extensions[] = {
393 { __DRI_CORE, 1, offsetof(struct dri2_egl_display, core) },
394 { __DRI_DRI2, 2, offsetof(struct dri2_egl_display, dri2) },
395 { NULL, 0, 0 }
396 };
397
398 static const struct dri2_extension_match dri2_core_extensions[] = {
399 { __DRI2_FLUSH, 1, offsetof(struct dri2_egl_display, flush) },
400 { __DRI_TEX_BUFFER, 2, offsetof(struct dri2_egl_display, tex_buffer) },
401 { __DRI_IMAGE, 1, offsetof(struct dri2_egl_display, image) },
402 { NULL, 0, 0 }
403 };
404
405 static const struct dri2_extension_match swrast_driver_extensions[] = {
406 { __DRI_CORE, 1, offsetof(struct dri2_egl_display, core) },
407 { __DRI_SWRAST, 2, offsetof(struct dri2_egl_display, swrast) },
408 { NULL, 0, 0 }
409 };
410
411 static const struct dri2_extension_match swrast_core_extensions[] = {
412 { __DRI_TEX_BUFFER, 2, offsetof(struct dri2_egl_display, tex_buffer) },
413 { NULL, 0, 0 }
414 };
415
416 static const struct dri2_extension_match optional_core_extensions[] = {
417 { __DRI2_ROBUSTNESS, 1, offsetof(struct dri2_egl_display, robustness) },
418 { __DRI2_CONFIG_QUERY, 1, offsetof(struct dri2_egl_display, config) },
419 { __DRI2_FENCE, 1, offsetof(struct dri2_egl_display, fence) },
420 { __DRI2_RENDERER_QUERY, 1, offsetof(struct dri2_egl_display, rendererQuery) },
421 { __DRI2_INTEROP, 1, offsetof(struct dri2_egl_display, interop) },
422 { NULL, 0, 0 }
423 };
424
425 static EGLBoolean
426 dri2_bind_extensions(struct dri2_egl_display *dri2_dpy,
427 const struct dri2_extension_match *matches,
428 const __DRIextension **extensions,
429 bool optional)
430 {
431 int i, j, ret = EGL_TRUE;
432 void *field;
433
434 for (i = 0; extensions[i]; i++) {
435 _eglLog(_EGL_DEBUG, "found extension `%s'", extensions[i]->name);
436 for (j = 0; matches[j].name; j++) {
437 if (strcmp(extensions[i]->name, matches[j].name) == 0 &&
438 extensions[i]->version >= matches[j].version) {
439 field = ((char *) dri2_dpy + matches[j].offset);
440 *(const __DRIextension **) field = extensions[i];
441 _eglLog(_EGL_INFO, "found extension %s version %d",
442 extensions[i]->name, extensions[i]->version);
443 break;
444 }
445 }
446 }
447
448 for (j = 0; matches[j].name; j++) {
449 field = ((char *) dri2_dpy + matches[j].offset);
450 if (*(const __DRIextension **) field == NULL) {
451 if (optional) {
452 _eglLog(_EGL_DEBUG, "did not find optional extension %s version %d",
453 matches[j].name, matches[j].version);
454 } else {
455 _eglLog(_EGL_WARNING, "did not find extension %s version %d",
456 matches[j].name, matches[j].version);
457 ret = EGL_FALSE;
458 }
459 }
460 }
461
462 return ret;
463 }
464
465 static const __DRIextension **
466 dri2_open_driver(_EGLDisplay *disp)
467 {
468 struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
469 const __DRIextension **extensions = NULL;
470 char path[PATH_MAX], *search_paths, *p, *next, *end;
471 char *get_extensions_name;
472 const __DRIextension **(*get_extensions)(void);
473
474 search_paths = NULL;
475 if (geteuid() == getuid()) {
476 /* don't allow setuid apps to use LIBGL_DRIVERS_PATH */
477 search_paths = getenv("LIBGL_DRIVERS_PATH");
478 }
479 if (search_paths == NULL)
480 search_paths = DEFAULT_DRIVER_DIR;
481
482 dri2_dpy->driver = NULL;
483 end = search_paths + strlen(search_paths);
484 for (p = search_paths; p < end; p = next + 1) {
485 int len;
486 next = strchr(p, ':');
487 if (next == NULL)
488 next = end;
489
490 len = next - p;
491 #if GLX_USE_TLS
492 snprintf(path, sizeof path,
493 "%.*s/tls/%s_dri.so", len, p, dri2_dpy->driver_name);
494 dri2_dpy->driver = dlopen(path, RTLD_NOW | RTLD_GLOBAL);
495 #endif
496 if (dri2_dpy->driver == NULL) {
497 snprintf(path, sizeof path,
498 "%.*s/%s_dri.so", len, p, dri2_dpy->driver_name);
499 dri2_dpy->driver = dlopen(path, RTLD_NOW | RTLD_GLOBAL);
500 if (dri2_dpy->driver == NULL)
501 _eglLog(_EGL_DEBUG, "failed to open %s: %s\n", path, dlerror());
502 }
503 /* not need continue to loop all paths once the driver is found */
504 if (dri2_dpy->driver != NULL)
505 break;
506
507 #ifdef ANDROID
508 snprintf(path, sizeof path, "%.*s/gallium_dri.so", len, p);
509 dri2_dpy->driver = dlopen(path, RTLD_NOW | RTLD_GLOBAL);
510 if (dri2_dpy->driver == NULL)
511 _eglLog(_EGL_DEBUG, "failed to open %s: %s\n", path, dlerror());
512 else
513 break;
514 #endif
515 }
516
517 if (dri2_dpy->driver == NULL) {
518 _eglLog(_EGL_WARNING,
519 "DRI2: failed to open %s (search paths %s)",
520 dri2_dpy->driver_name, search_paths);
521 return NULL;
522 }
523
524 _eglLog(_EGL_DEBUG, "DRI2: dlopen(%s)", path);
525
526 get_extensions_name = loader_get_extensions_name(dri2_dpy->driver_name);
527 if (get_extensions_name) {
528 get_extensions = dlsym(dri2_dpy->driver, get_extensions_name);
529 if (get_extensions) {
530 extensions = get_extensions();
531 } else {
532 _eglLog(_EGL_DEBUG, "driver does not expose %s(): %s\n",
533 get_extensions_name, dlerror());
534 }
535 free(get_extensions_name);
536 }
537
538 if (!extensions)
539 extensions = dlsym(dri2_dpy->driver, __DRI_DRIVER_EXTENSIONS);
540 if (extensions == NULL) {
541 _eglLog(_EGL_WARNING,
542 "DRI2: driver exports no extensions (%s)", dlerror());
543 dlclose(dri2_dpy->driver);
544 }
545
546 return extensions;
547 }
548
549 EGLBoolean
550 dri2_load_driver_dri3(_EGLDisplay *disp)
551 {
552 struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
553 const __DRIextension **extensions;
554
555 extensions = dri2_open_driver(disp);
556 if (!extensions)
557 return EGL_FALSE;
558
559 if (!dri2_bind_extensions(dri2_dpy, dri3_driver_extensions, extensions, false)) {
560 dlclose(dri2_dpy->driver);
561 return EGL_FALSE;
562 }
563 dri2_dpy->driver_extensions = extensions;
564
565 return EGL_TRUE;
566 }
567
568 EGLBoolean
569 dri2_load_driver(_EGLDisplay *disp)
570 {
571 struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
572 const __DRIextension **extensions;
573
574 extensions = dri2_open_driver(disp);
575 if (!extensions)
576 return EGL_FALSE;
577
578 if (!dri2_bind_extensions(dri2_dpy, dri2_driver_extensions, extensions, false)) {
579 dlclose(dri2_dpy->driver);
580 return EGL_FALSE;
581 }
582 dri2_dpy->driver_extensions = extensions;
583
584 return EGL_TRUE;
585 }
586
587 EGLBoolean
588 dri2_load_driver_swrast(_EGLDisplay *disp)
589 {
590 struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
591 const __DRIextension **extensions;
592
593 extensions = dri2_open_driver(disp);
594 if (!extensions)
595 return EGL_FALSE;
596
597 if (!dri2_bind_extensions(dri2_dpy, swrast_driver_extensions, extensions, false)) {
598 dlclose(dri2_dpy->driver);
599 return EGL_FALSE;
600 }
601 dri2_dpy->driver_extensions = extensions;
602
603 return EGL_TRUE;
604 }
605
606 static unsigned
607 dri2_renderer_query_integer(struct dri2_egl_display *dri2_dpy, int param)
608 {
609 const __DRI2rendererQueryExtension *rendererQuery = dri2_dpy->rendererQuery;
610 unsigned int value = 0;
611
612 if (!rendererQuery ||
613 rendererQuery->queryInteger(dri2_dpy->dri_screen, param, &value) == -1)
614 return 0;
615
616 return value;
617 }
618
619 void
620 dri2_setup_screen(_EGLDisplay *disp)
621 {
622 struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
623 unsigned int api_mask;
624
625 if (dri2_dpy->image_driver) {
626 api_mask = dri2_dpy->image_driver->getAPIMask(dri2_dpy->dri_screen);
627 } else if (dri2_dpy->dri2) {
628 api_mask = dri2_dpy->dri2->getAPIMask(dri2_dpy->dri_screen);
629 } else {
630 assert(dri2_dpy->swrast);
631 api_mask = 1 << __DRI_API_OPENGL |
632 1 << __DRI_API_GLES |
633 1 << __DRI_API_GLES2 |
634 1 << __DRI_API_GLES3;
635 }
636
637 disp->ClientAPIs = 0;
638 if ((api_mask & (1 <<__DRI_API_OPENGL)) && _eglIsApiValid(EGL_OPENGL_API))
639 disp->ClientAPIs |= EGL_OPENGL_BIT;
640 if ((api_mask & (1 << __DRI_API_GLES)) && _eglIsApiValid(EGL_OPENGL_ES_API))
641 disp->ClientAPIs |= EGL_OPENGL_ES_BIT;
642 if ((api_mask & (1 << __DRI_API_GLES2)) && _eglIsApiValid(EGL_OPENGL_ES_API))
643 disp->ClientAPIs |= EGL_OPENGL_ES2_BIT;
644 if ((api_mask & (1 << __DRI_API_GLES3)) && _eglIsApiValid(EGL_OPENGL_ES_API))
645 disp->ClientAPIs |= EGL_OPENGL_ES3_BIT_KHR;
646
647 assert(dri2_dpy->image_driver || dri2_dpy->dri2 || dri2_dpy->swrast);
648 disp->Extensions.KHR_no_config_context = EGL_TRUE;
649 disp->Extensions.KHR_surfaceless_context = EGL_TRUE;
650
651 if (dri2_renderer_query_integer(dri2_dpy,
652 __DRI2_RENDERER_HAS_FRAMEBUFFER_SRGB))
653 disp->Extensions.KHR_gl_colorspace = EGL_TRUE;
654
655 if (dri2_dpy->image_driver ||
656 (dri2_dpy->dri2 && dri2_dpy->dri2->base.version >= 3) ||
657 (dri2_dpy->swrast && dri2_dpy->swrast->base.version >= 3)) {
658 disp->Extensions.KHR_create_context = EGL_TRUE;
659
660 if (dri2_dpy->robustness)
661 disp->Extensions.EXT_create_context_robustness = EGL_TRUE;
662 }
663
664 if (dri2_dpy->fence) {
665 disp->Extensions.KHR_fence_sync = EGL_TRUE;
666 disp->Extensions.KHR_wait_sync = EGL_TRUE;
667 if (dri2_dpy->fence->get_fence_from_cl_event)
668 disp->Extensions.KHR_cl_event2 = EGL_TRUE;
669 if (dri2_dpy->fence->base.version >= 2) {
670 unsigned capabilities =
671 dri2_dpy->fence->get_capabilities(dri2_dpy->dri_screen);
672 disp->Extensions.ANDROID_native_fence_sync =
673 (capabilities & __DRI_FENCE_CAP_NATIVE_FD) != 0;
674 }
675 }
676
677 disp->Extensions.KHR_reusable_sync = EGL_TRUE;
678
679 if (dri2_dpy->image) {
680 if (dri2_dpy->image->base.version >= 10 &&
681 dri2_dpy->image->getCapabilities != NULL) {
682 int capabilities;
683
684 capabilities = dri2_dpy->image->getCapabilities(dri2_dpy->dri_screen);
685 disp->Extensions.MESA_drm_image = (capabilities & __DRI_IMAGE_CAP_GLOBAL_NAMES) != 0;
686
687 if (dri2_dpy->image->base.version >= 11)
688 disp->Extensions.MESA_image_dma_buf_export = EGL_TRUE;
689 } else {
690 disp->Extensions.MESA_drm_image = EGL_TRUE;
691 if (dri2_dpy->image->base.version >= 11)
692 disp->Extensions.MESA_image_dma_buf_export = EGL_TRUE;
693 }
694
695 disp->Extensions.KHR_image_base = EGL_TRUE;
696 disp->Extensions.KHR_gl_renderbuffer_image = EGL_TRUE;
697 if (dri2_dpy->image->base.version >= 5 &&
698 dri2_dpy->image->createImageFromTexture) {
699 disp->Extensions.KHR_gl_texture_2D_image = EGL_TRUE;
700 disp->Extensions.KHR_gl_texture_cubemap_image = EGL_TRUE;
701 }
702 if (dri2_renderer_query_integer(dri2_dpy,
703 __DRI2_RENDERER_HAS_TEXTURE_3D))
704 disp->Extensions.KHR_gl_texture_3D_image = EGL_TRUE;
705 #ifdef HAVE_LIBDRM
706 if (dri2_dpy->image->base.version >= 8 &&
707 dri2_dpy->image->createImageFromDmaBufs) {
708 disp->Extensions.EXT_image_dma_buf_import = EGL_TRUE;
709 }
710 #endif
711 }
712 }
713
714 /* All platforms but DRM call this function to create the screen, query the
715 * dri extensions, setup the vtables and populate the driver_configs.
716 * DRM inherits all that information from its display - GBM.
717 */
718 EGLBoolean
719 dri2_create_screen(_EGLDisplay *disp)
720 {
721 const __DRIextension **extensions;
722 struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
723
724 if (dri2_dpy->image_driver) {
725 dri2_dpy->dri_screen =
726 dri2_dpy->image_driver->createNewScreen2(0, dri2_dpy->fd,
727 dri2_dpy->loader_extensions,
728 dri2_dpy->driver_extensions,
729 &dri2_dpy->driver_configs,
730 disp);
731 } else if (dri2_dpy->dri2) {
732 if (dri2_dpy->dri2->base.version >= 4) {
733 dri2_dpy->dri_screen =
734 dri2_dpy->dri2->createNewScreen2(0, dri2_dpy->fd,
735 dri2_dpy->loader_extensions,
736 dri2_dpy->driver_extensions,
737 &dri2_dpy->driver_configs, disp);
738 } else {
739 dri2_dpy->dri_screen =
740 dri2_dpy->dri2->createNewScreen(0, dri2_dpy->fd,
741 dri2_dpy->loader_extensions,
742 &dri2_dpy->driver_configs, disp);
743 }
744 } else {
745 assert(dri2_dpy->swrast);
746 if (dri2_dpy->swrast->base.version >= 4) {
747 dri2_dpy->dri_screen =
748 dri2_dpy->swrast->createNewScreen2(0, dri2_dpy->loader_extensions,
749 dri2_dpy->driver_extensions,
750 &dri2_dpy->driver_configs, disp);
751 } else {
752 dri2_dpy->dri_screen =
753 dri2_dpy->swrast->createNewScreen(0, dri2_dpy->loader_extensions,
754 &dri2_dpy->driver_configs, disp);
755 }
756 }
757
758 if (dri2_dpy->dri_screen == NULL) {
759 _eglLog(_EGL_WARNING, "DRI2: failed to create dri screen");
760 return EGL_FALSE;
761 }
762
763 dri2_dpy->own_dri_screen = 1;
764
765 extensions = dri2_dpy->core->getExtensions(dri2_dpy->dri_screen);
766
767 if (dri2_dpy->image_driver || dri2_dpy->dri2) {
768 if (!dri2_bind_extensions(dri2_dpy, dri2_core_extensions, extensions, false))
769 goto cleanup_dri_screen;
770 } else {
771 assert(dri2_dpy->swrast);
772 if (!dri2_bind_extensions(dri2_dpy, swrast_core_extensions, extensions, false))
773 goto cleanup_dri_screen;
774 }
775
776 dri2_bind_extensions(dri2_dpy, optional_core_extensions, extensions, true);
777 dri2_setup_screen(disp);
778
779 return EGL_TRUE;
780
781 cleanup_dri_screen:
782 dri2_dpy->core->destroyScreen(dri2_dpy->dri_screen);
783
784 return EGL_FALSE;
785 }
786
787 /**
788 * Called via eglInitialize(), GLX_drv->API.Initialize().
789 *
790 * This must be guaranteed to be called exactly once, even if eglInitialize is
791 * called many times (without a eglTerminate in between).
792 */
793 static EGLBoolean
794 dri2_initialize(_EGLDriver *drv, _EGLDisplay *disp)
795 {
796 EGLBoolean ret = EGL_FALSE;
797 struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
798
799 /* In the case where the application calls eglMakeCurrent(context1),
800 * eglTerminate, then eglInitialize again (without a call to eglReleaseThread
801 * or eglMakeCurrent(NULL) before that), dri2_dpy structure is still
802 * initialized, as we need it to be able to free context1 correctly.
803 *
804 * It would probably be safest to forcibly release the display with
805 * dri2_display_release, to make sure the display is reinitialized correctly.
806 * However, the EGL spec states that we need to keep a reference to the
807 * current context (so we cannot call dri2_make_current(NULL)), and therefore
808 * we would leak context1 as we would be missing the old display connection
809 * to free it up correctly.
810 */
811 if (dri2_dpy) {
812 dri2_dpy->ref_count++;
813 return EGL_TRUE;
814 }
815
816 /* not until swrast_dri is supported */
817 if (disp->Options.UseFallback)
818 return EGL_FALSE;
819
820 /* Nothing to initialize for a test only display */
821 if (disp->Options.TestOnly)
822 return EGL_TRUE;
823
824 switch (disp->Platform) {
825 #ifdef HAVE_SURFACELESS_PLATFORM
826 case _EGL_PLATFORM_SURFACELESS:
827 ret = dri2_initialize_surfaceless(drv, disp);
828 break;
829 #endif
830 #ifdef HAVE_X11_PLATFORM
831 case _EGL_PLATFORM_X11:
832 ret = dri2_initialize_x11(drv, disp);
833 break;
834 #endif
835 #ifdef HAVE_DRM_PLATFORM
836 case _EGL_PLATFORM_DRM:
837 ret = dri2_initialize_drm(drv, disp);
838 break;
839 #endif
840 #ifdef HAVE_WAYLAND_PLATFORM
841 case _EGL_PLATFORM_WAYLAND:
842 ret = dri2_initialize_wayland(drv, disp);
843 break;
844 #endif
845 #ifdef HAVE_ANDROID_PLATFORM
846 case _EGL_PLATFORM_ANDROID:
847 ret = dri2_initialize_android(drv, disp);
848 break;
849 #endif
850 default:
851 _eglLog(_EGL_WARNING, "No EGL platform enabled.");
852 return EGL_FALSE;
853 }
854
855 if (ret) {
856 dri2_dpy = dri2_egl_display(disp);
857
858 if (!dri2_dpy) {
859 return EGL_FALSE;
860 }
861
862 dri2_dpy->ref_count++;
863 }
864
865 return ret;
866 }
867
868 /**
869 * Decrement display reference count, and free up display if necessary.
870 */
871 static void
872 dri2_display_release(_EGLDisplay *disp)
873 {
874 struct dri2_egl_display *dri2_dpy;
875 unsigned i;
876
877 if (!disp)
878 return;
879
880 dri2_dpy = dri2_egl_display(disp);
881
882 assert(dri2_dpy->ref_count > 0);
883 dri2_dpy->ref_count--;
884
885 if (dri2_dpy->ref_count > 0)
886 return;
887
888 _eglCleanupDisplay(disp);
889
890 if (dri2_dpy->own_dri_screen)
891 dri2_dpy->core->destroyScreen(dri2_dpy->dri_screen);
892 if (dri2_dpy->fd >= 0)
893 close(dri2_dpy->fd);
894 if (dri2_dpy->driver)
895 dlclose(dri2_dpy->driver);
896 free(dri2_dpy->driver_name);
897
898 #ifdef HAVE_WAYLAND_PLATFORM
899 free(dri2_dpy->device_name);
900 #endif
901
902 switch (disp->Platform) {
903 #ifdef HAVE_X11_PLATFORM
904 case _EGL_PLATFORM_X11:
905 if (dri2_dpy->own_device) {
906 xcb_disconnect(dri2_dpy->conn);
907 }
908 break;
909 #endif
910 #ifdef HAVE_DRM_PLATFORM
911 case _EGL_PLATFORM_DRM:
912 if (dri2_dpy->own_device) {
913 gbm_device_destroy(&dri2_dpy->gbm_dri->base.base);
914 }
915 break;
916 #endif
917 #ifdef HAVE_WAYLAND_PLATFORM
918 case _EGL_PLATFORM_WAYLAND:
919 if (dri2_dpy->wl_drm)
920 wl_drm_destroy(dri2_dpy->wl_drm);
921 if (dri2_dpy->wl_shm)
922 wl_shm_destroy(dri2_dpy->wl_shm);
923 wl_registry_destroy(dri2_dpy->wl_registry);
924 wl_event_queue_destroy(dri2_dpy->wl_queue);
925 wl_proxy_wrapper_destroy(dri2_dpy->wl_dpy_wrapper);
926 if (dri2_dpy->own_device) {
927 wl_display_disconnect(dri2_dpy->wl_dpy);
928 }
929 break;
930 #endif
931 default:
932 break;
933 }
934
935 /* The drm platform does not create the screen/driver_configs but reuses
936 * the ones from the gbm device. As such the gbm itself is responsible
937 * for the cleanup.
938 */
939 if (disp->Platform != _EGL_PLATFORM_DRM) {
940 for (i = 0; dri2_dpy->driver_configs[i]; i++)
941 free((__DRIconfig *) dri2_dpy->driver_configs[i]);
942 free(dri2_dpy->driver_configs);
943 }
944 free(dri2_dpy);
945 disp->DriverData = NULL;
946 }
947
948 /**
949 * Called via eglTerminate(), drv->API.Terminate().
950 *
951 * This must be guaranteed to be called exactly once, even if eglTerminate is
952 * called many times (without a eglInitialize in between).
953 */
954 static EGLBoolean
955 dri2_terminate(_EGLDriver *drv, _EGLDisplay *disp)
956 {
957 /* Release all non-current Context/Surfaces. */
958 _eglReleaseDisplayResources(drv, disp);
959
960 dri2_display_release(disp);
961
962 return EGL_TRUE;
963 }
964
965 /**
966 * Set the error code after a call to
967 * dri2_egl_display::dri2::createContextAttribs.
968 */
969 static void
970 dri2_create_context_attribs_error(int dri_error)
971 {
972 EGLint egl_error;
973
974 switch (dri_error) {
975 case __DRI_CTX_ERROR_SUCCESS:
976 return;
977
978 case __DRI_CTX_ERROR_NO_MEMORY:
979 egl_error = EGL_BAD_ALLOC;
980 break;
981
982 /* From the EGL_KHR_create_context spec, section "Errors":
983 *
984 * * If <config> does not support a client API context compatible
985 * with the requested API major and minor version, [...] context flags,
986 * and context reset notification behavior (for client API types where
987 * these attributes are supported), then an EGL_BAD_MATCH error is
988 * generated.
989 *
990 * * If an OpenGL ES context is requested and the values for
991 * attributes EGL_CONTEXT_MAJOR_VERSION_KHR and
992 * EGL_CONTEXT_MINOR_VERSION_KHR specify an OpenGL ES version that
993 * is not defined, than an EGL_BAD_MATCH error is generated.
994 *
995 * * If an OpenGL context is requested, the requested version is
996 * greater than 3.2, and the value for attribute
997 * EGL_CONTEXT_OPENGL_PROFILE_MASK_KHR has no bits set; has any
998 * bits set other than EGL_CONTEXT_OPENGL_CORE_PROFILE_BIT_KHR and
999 * EGL_CONTEXT_OPENGL_COMPATIBILITY_PROFILE_BIT_KHR; has more than
1000 * one of these bits set; or if the implementation does not support
1001 * the requested profile, then an EGL_BAD_MATCH error is generated.
1002 */
1003 case __DRI_CTX_ERROR_BAD_API:
1004 case __DRI_CTX_ERROR_BAD_VERSION:
1005 case __DRI_CTX_ERROR_BAD_FLAG:
1006 egl_error = EGL_BAD_MATCH;
1007 break;
1008
1009 /* From the EGL_KHR_create_context spec, section "Errors":
1010 *
1011 * * If an attribute name or attribute value in <attrib_list> is not
1012 * recognized (including unrecognized bits in bitmask attributes),
1013 * then an EGL_BAD_ATTRIBUTE error is generated."
1014 */
1015 case __DRI_CTX_ERROR_UNKNOWN_ATTRIBUTE:
1016 case __DRI_CTX_ERROR_UNKNOWN_FLAG:
1017 egl_error = EGL_BAD_ATTRIBUTE;
1018 break;
1019
1020 default:
1021 assert(0);
1022 egl_error = EGL_BAD_MATCH;
1023 break;
1024 }
1025
1026 _eglError(egl_error, "dri2_create_context");
1027 }
1028
1029 static bool
1030 dri2_fill_context_attribs(struct dri2_egl_context *dri2_ctx,
1031 struct dri2_egl_display *dri2_dpy,
1032 uint32_t *ctx_attribs,
1033 unsigned *num_attribs)
1034 {
1035 int pos = 0;
1036
1037 assert(*num_attribs >= 8);
1038
1039 ctx_attribs[pos++] = __DRI_CTX_ATTRIB_MAJOR_VERSION;
1040 ctx_attribs[pos++] = dri2_ctx->base.ClientMajorVersion;
1041 ctx_attribs[pos++] = __DRI_CTX_ATTRIB_MINOR_VERSION;
1042 ctx_attribs[pos++] = dri2_ctx->base.ClientMinorVersion;
1043
1044 if (dri2_ctx->base.Flags != 0) {
1045 /* If the implementation doesn't support the __DRI2_ROBUSTNESS
1046 * extension, don't even try to send it the robust-access flag.
1047 * It may explode. Instead, generate the required EGL error here.
1048 */
1049 if ((dri2_ctx->base.Flags & EGL_CONTEXT_OPENGL_ROBUST_ACCESS_BIT_KHR) != 0
1050 && !dri2_dpy->robustness) {
1051 _eglError(EGL_BAD_MATCH, "eglCreateContext");
1052 return false;
1053 }
1054
1055 ctx_attribs[pos++] = __DRI_CTX_ATTRIB_FLAGS;
1056 ctx_attribs[pos++] = dri2_ctx->base.Flags;
1057 }
1058
1059 if (dri2_ctx->base.ResetNotificationStrategy != EGL_NO_RESET_NOTIFICATION_KHR) {
1060 /* If the implementation doesn't support the __DRI2_ROBUSTNESS
1061 * extension, don't even try to send it a reset strategy. It may
1062 * explode. Instead, generate the required EGL error here.
1063 */
1064 if (!dri2_dpy->robustness) {
1065 _eglError(EGL_BAD_CONFIG, "eglCreateContext");
1066 return false;
1067 }
1068
1069 ctx_attribs[pos++] = __DRI_CTX_ATTRIB_RESET_STRATEGY;
1070 ctx_attribs[pos++] = __DRI_CTX_RESET_LOSE_CONTEXT;
1071 }
1072
1073 *num_attribs = pos;
1074
1075 return true;
1076 }
1077
1078 /**
1079 * Called via eglCreateContext(), drv->API.CreateContext().
1080 */
1081 static _EGLContext *
1082 dri2_create_context(_EGLDriver *drv, _EGLDisplay *disp, _EGLConfig *conf,
1083 _EGLContext *share_list, const EGLint *attrib_list)
1084 {
1085 struct dri2_egl_context *dri2_ctx;
1086 struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
1087 struct dri2_egl_context *dri2_ctx_shared = dri2_egl_context(share_list);
1088 __DRIcontext *shared =
1089 dri2_ctx_shared ? dri2_ctx_shared->dri_context : NULL;
1090 struct dri2_egl_config *dri2_config = dri2_egl_config(conf);
1091 const __DRIconfig *dri_config;
1092 int api;
1093
1094 (void) drv;
1095
1096 dri2_ctx = malloc(sizeof *dri2_ctx);
1097 if (!dri2_ctx) {
1098 _eglError(EGL_BAD_ALLOC, "eglCreateContext");
1099 return NULL;
1100 }
1101
1102 if (!_eglInitContext(&dri2_ctx->base, disp, conf, attrib_list))
1103 goto cleanup;
1104
1105 switch (dri2_ctx->base.ClientAPI) {
1106 case EGL_OPENGL_ES_API:
1107 switch (dri2_ctx->base.ClientMajorVersion) {
1108 case 1:
1109 api = __DRI_API_GLES;
1110 break;
1111 case 2:
1112 api = __DRI_API_GLES2;
1113 break;
1114 case 3:
1115 api = __DRI_API_GLES3;
1116 break;
1117 default:
1118 _eglError(EGL_BAD_PARAMETER, "eglCreateContext");
1119 free(dri2_ctx);
1120 return NULL;
1121 }
1122 break;
1123 case EGL_OPENGL_API:
1124 if ((dri2_ctx->base.ClientMajorVersion >= 4
1125 || (dri2_ctx->base.ClientMajorVersion == 3
1126 && dri2_ctx->base.ClientMinorVersion >= 2))
1127 && dri2_ctx->base.Profile == EGL_CONTEXT_OPENGL_CORE_PROFILE_BIT_KHR)
1128 api = __DRI_API_OPENGL_CORE;
1129 else
1130 api = __DRI_API_OPENGL;
1131 break;
1132 default:
1133 _eglError(EGL_BAD_PARAMETER, "eglCreateContext");
1134 free(dri2_ctx);
1135 return NULL;
1136 }
1137
1138 if (conf != NULL) {
1139 /* The config chosen here isn't necessarily
1140 * used for surfaces later.
1141 * A pixmap surface will use the single config.
1142 * This opportunity depends on disabling the
1143 * doubleBufferMode check in
1144 * src/mesa/main/context.c:check_compatible()
1145 */
1146 if (dri2_config->dri_double_config[0])
1147 dri_config = dri2_config->dri_double_config[0];
1148 else
1149 dri_config = dri2_config->dri_single_config[0];
1150
1151 /* EGL_WINDOW_BIT is set only when there is a dri_double_config. This
1152 * makes sure the back buffer will always be used.
1153 */
1154 if (conf->SurfaceType & EGL_WINDOW_BIT)
1155 dri2_ctx->base.WindowRenderBuffer = EGL_BACK_BUFFER;
1156 }
1157 else
1158 dri_config = NULL;
1159
1160 if (dri2_dpy->image_driver) {
1161 unsigned error;
1162 unsigned num_attribs = 8;
1163 uint32_t ctx_attribs[8];
1164
1165 if (!dri2_fill_context_attribs(dri2_ctx, dri2_dpy, ctx_attribs,
1166 &num_attribs))
1167 goto cleanup;
1168
1169 dri2_ctx->dri_context =
1170 dri2_dpy->image_driver->createContextAttribs(dri2_dpy->dri_screen,
1171 api,
1172 dri_config,
1173 shared,
1174 num_attribs / 2,
1175 ctx_attribs,
1176 & error,
1177 dri2_ctx);
1178 dri2_create_context_attribs_error(error);
1179 } else if (dri2_dpy->dri2) {
1180 if (dri2_dpy->dri2->base.version >= 3) {
1181 unsigned error;
1182 unsigned num_attribs = 8;
1183 uint32_t ctx_attribs[8];
1184
1185 if (!dri2_fill_context_attribs(dri2_ctx, dri2_dpy, ctx_attribs,
1186 &num_attribs))
1187 goto cleanup;
1188
1189 dri2_ctx->dri_context =
1190 dri2_dpy->dri2->createContextAttribs(dri2_dpy->dri_screen,
1191 api,
1192 dri_config,
1193 shared,
1194 num_attribs / 2,
1195 ctx_attribs,
1196 & error,
1197 dri2_ctx);
1198 dri2_create_context_attribs_error(error);
1199 } else {
1200 dri2_ctx->dri_context =
1201 dri2_dpy->dri2->createNewContextForAPI(dri2_dpy->dri_screen,
1202 api,
1203 dri_config,
1204 shared,
1205 dri2_ctx);
1206 }
1207 } else {
1208 assert(dri2_dpy->swrast);
1209 if (dri2_dpy->swrast->base.version >= 3) {
1210 unsigned error;
1211 unsigned num_attribs = 8;
1212 uint32_t ctx_attribs[8];
1213
1214 if (!dri2_fill_context_attribs(dri2_ctx, dri2_dpy, ctx_attribs,
1215 &num_attribs))
1216 goto cleanup;
1217
1218 dri2_ctx->dri_context =
1219 dri2_dpy->swrast->createContextAttribs(dri2_dpy->dri_screen,
1220 api,
1221 dri_config,
1222 shared,
1223 num_attribs / 2,
1224 ctx_attribs,
1225 & error,
1226 dri2_ctx);
1227 dri2_create_context_attribs_error(error);
1228 } else {
1229 dri2_ctx->dri_context =
1230 dri2_dpy->swrast->createNewContextForAPI(dri2_dpy->dri_screen,
1231 api,
1232 dri_config,
1233 shared,
1234 dri2_ctx);
1235 }
1236 }
1237
1238 if (!dri2_ctx->dri_context)
1239 goto cleanup;
1240
1241 return &dri2_ctx->base;
1242
1243 cleanup:
1244 free(dri2_ctx);
1245 return NULL;
1246 }
1247
1248 /**
1249 * Called via eglDestroyContext(), drv->API.DestroyContext().
1250 */
1251 static EGLBoolean
1252 dri2_destroy_context(_EGLDriver *drv, _EGLDisplay *disp, _EGLContext *ctx)
1253 {
1254 struct dri2_egl_context *dri2_ctx = dri2_egl_context(ctx);
1255 struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
1256
1257 if (_eglPutContext(ctx)) {
1258 dri2_dpy->core->destroyContext(dri2_ctx->dri_context);
1259 free(dri2_ctx);
1260 }
1261
1262 return EGL_TRUE;
1263 }
1264
1265 static EGLBoolean
1266 dri2_destroy_surface(_EGLDriver *drv, _EGLDisplay *dpy, _EGLSurface *surf)
1267 {
1268 struct dri2_egl_display *dri2_dpy = dri2_egl_display(dpy);
1269
1270 if (!_eglPutSurface(surf))
1271 return EGL_TRUE;
1272
1273 return dri2_dpy->vtbl->destroy_surface(drv, dpy, surf);
1274 }
1275
1276 /**
1277 * Called via eglMakeCurrent(), drv->API.MakeCurrent().
1278 */
1279 static EGLBoolean
1280 dri2_make_current(_EGLDriver *drv, _EGLDisplay *disp, _EGLSurface *dsurf,
1281 _EGLSurface *rsurf, _EGLContext *ctx)
1282 {
1283 struct dri2_egl_driver *dri2_drv = dri2_egl_driver(drv);
1284 struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
1285 struct dri2_egl_context *dri2_ctx = dri2_egl_context(ctx);
1286 _EGLContext *old_ctx;
1287 _EGLSurface *old_dsurf, *old_rsurf;
1288 _EGLSurface *tmp_dsurf, *tmp_rsurf;
1289 __DRIdrawable *ddraw, *rdraw;
1290 __DRIcontext *cctx;
1291 EGLBoolean unbind;
1292
1293 if (!dri2_dpy)
1294 return _eglError(EGL_NOT_INITIALIZED, "eglMakeCurrent");
1295
1296 /* make new bindings */
1297 if (!_eglBindContext(ctx, dsurf, rsurf, &old_ctx, &old_dsurf, &old_rsurf)) {
1298 /* _eglBindContext already sets the EGL error (in _eglCheckMakeCurrent) */
1299 return EGL_FALSE;
1300 }
1301
1302 /* flush before context switch */
1303 if (old_ctx)
1304 dri2_drv->glFlush();
1305
1306 ddraw = (dsurf) ? dri2_dpy->vtbl->get_dri_drawable(dsurf) : NULL;
1307 rdraw = (rsurf) ? dri2_dpy->vtbl->get_dri_drawable(rsurf) : NULL;
1308 cctx = (dri2_ctx) ? dri2_ctx->dri_context : NULL;
1309
1310 if (old_ctx) {
1311 __DRIcontext *old_cctx = dri2_egl_context(old_ctx)->dri_context;
1312 dri2_dpy->core->unbindContext(old_cctx);
1313 }
1314
1315 unbind = (cctx == NULL && ddraw == NULL && rdraw == NULL);
1316
1317 if (unbind || dri2_dpy->core->bindContext(cctx, ddraw, rdraw)) {
1318 dri2_destroy_surface(drv, disp, old_dsurf);
1319 dri2_destroy_surface(drv, disp, old_rsurf);
1320
1321 if (!unbind)
1322 dri2_dpy->ref_count++;
1323 if (old_ctx) {
1324 EGLDisplay old_disp = _eglGetDisplayHandle(old_ctx->Resource.Display);
1325 dri2_destroy_context(drv, disp, old_ctx);
1326 dri2_display_release(old_disp);
1327 }
1328
1329 return EGL_TRUE;
1330 } else {
1331 /* undo the previous _eglBindContext */
1332 _eglBindContext(old_ctx, old_dsurf, old_rsurf, &ctx, &tmp_dsurf, &tmp_rsurf);
1333 assert(&dri2_ctx->base == ctx &&
1334 tmp_dsurf == dsurf &&
1335 tmp_rsurf == rsurf);
1336
1337 _eglPutSurface(dsurf);
1338 _eglPutSurface(rsurf);
1339 _eglPutContext(ctx);
1340
1341 _eglPutSurface(old_dsurf);
1342 _eglPutSurface(old_rsurf);
1343 _eglPutContext(old_ctx);
1344
1345 /* dri2_dpy->core->bindContext failed. We cannot tell for sure why, but
1346 * setting the error to EGL_BAD_MATCH is surely better than leaving it
1347 * as EGL_SUCCESS.
1348 */
1349 return _eglError(EGL_BAD_MATCH, "eglMakeCurrent");
1350 }
1351 }
1352
1353 __DRIdrawable *
1354 dri2_surface_get_dri_drawable(_EGLSurface *surf)
1355 {
1356 struct dri2_egl_surface *dri2_surf = dri2_egl_surface(surf);
1357
1358 return dri2_surf->dri_drawable;
1359 }
1360
1361 /*
1362 * Called from eglGetProcAddress() via drv->API.GetProcAddress().
1363 */
1364 static _EGLProc
1365 dri2_get_proc_address(_EGLDriver *drv, const char *procname)
1366 {
1367 struct dri2_egl_driver *dri2_drv = dri2_egl_driver(drv);
1368
1369 return dri2_drv->get_proc_address(procname);
1370 }
1371
1372 static _EGLSurface*
1373 dri2_create_window_surface(_EGLDriver *drv, _EGLDisplay *dpy,
1374 _EGLConfig *conf, void *native_window,
1375 const EGLint *attrib_list)
1376 {
1377 struct dri2_egl_display *dri2_dpy = dri2_egl_display(dpy);
1378 return dri2_dpy->vtbl->create_window_surface(drv, dpy, conf, native_window,
1379 attrib_list);
1380 }
1381
1382 static _EGLSurface*
1383 dri2_create_pixmap_surface(_EGLDriver *drv, _EGLDisplay *dpy,
1384 _EGLConfig *conf, void *native_pixmap,
1385 const EGLint *attrib_list)
1386 {
1387 struct dri2_egl_display *dri2_dpy = dri2_egl_display(dpy);
1388 return dri2_dpy->vtbl->create_pixmap_surface(drv, dpy, conf, native_pixmap,
1389 attrib_list);
1390 }
1391
1392 static _EGLSurface*
1393 dri2_create_pbuffer_surface(_EGLDriver *drv, _EGLDisplay *dpy,
1394 _EGLConfig *conf, const EGLint *attrib_list)
1395 {
1396 struct dri2_egl_display *dri2_dpy = dri2_egl_display(dpy);
1397 return dri2_dpy->vtbl->create_pbuffer_surface(drv, dpy, conf, attrib_list);
1398 }
1399
1400 static EGLBoolean
1401 dri2_swap_interval(_EGLDriver *drv, _EGLDisplay *dpy, _EGLSurface *surf,
1402 EGLint interval)
1403 {
1404 struct dri2_egl_display *dri2_dpy = dri2_egl_display(dpy);
1405 return dri2_dpy->vtbl->swap_interval(drv, dpy, surf, interval);
1406 }
1407
1408 /**
1409 * Asks the client API to flush any rendering to the drawable so that we can
1410 * do our swapbuffers.
1411 */
1412 void
1413 dri2_flush_drawable_for_swapbuffers(_EGLDisplay *disp, _EGLSurface *draw)
1414 {
1415 struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
1416 __DRIdrawable *dri_drawable = dri2_dpy->vtbl->get_dri_drawable(draw);
1417
1418 if (dri2_dpy->flush) {
1419 if (dri2_dpy->flush->base.version >= 4) {
1420 /* We know there's a current context because:
1421 *
1422 * "If surface is not bound to the calling thread’s current
1423 * context, an EGL_BAD_SURFACE error is generated."
1424 */
1425 _EGLContext *ctx = _eglGetCurrentContext();
1426 struct dri2_egl_context *dri2_ctx = dri2_egl_context(ctx);
1427
1428 /* From the EGL 1.4 spec (page 52):
1429 *
1430 * "The contents of ancillary buffers are always undefined
1431 * after calling eglSwapBuffers."
1432 */
1433 dri2_dpy->flush->flush_with_flags(dri2_ctx->dri_context,
1434 dri_drawable,
1435 __DRI2_FLUSH_DRAWABLE |
1436 __DRI2_FLUSH_INVALIDATE_ANCILLARY,
1437 __DRI2_THROTTLE_SWAPBUFFER);
1438 } else {
1439 dri2_dpy->flush->flush(dri_drawable);
1440 }
1441 }
1442 }
1443
1444 static EGLBoolean
1445 dri2_swap_buffers(_EGLDriver *drv, _EGLDisplay *dpy, _EGLSurface *surf)
1446 {
1447 struct dri2_egl_display *dri2_dpy = dri2_egl_display(dpy);
1448 return dri2_dpy->vtbl->swap_buffers(drv, dpy, surf);
1449 }
1450
1451 static EGLBoolean
1452 dri2_swap_buffers_with_damage(_EGLDriver *drv, _EGLDisplay *dpy,
1453 _EGLSurface *surf,
1454 const EGLint *rects, EGLint n_rects)
1455 {
1456 struct dri2_egl_display *dri2_dpy = dri2_egl_display(dpy);
1457 return dri2_dpy->vtbl->swap_buffers_with_damage(drv, dpy, surf,
1458 rects, n_rects);
1459 }
1460
1461 static EGLBoolean
1462 dri2_swap_buffers_region(_EGLDriver *drv, _EGLDisplay *dpy, _EGLSurface *surf,
1463 EGLint numRects, const EGLint *rects)
1464 {
1465 struct dri2_egl_display *dri2_dpy = dri2_egl_display(dpy);
1466 return dri2_dpy->vtbl->swap_buffers_region(drv, dpy, surf, numRects, rects);
1467 }
1468
1469 static EGLBoolean
1470 dri2_post_sub_buffer(_EGLDriver *drv, _EGLDisplay *dpy, _EGLSurface *surf,
1471 EGLint x, EGLint y, EGLint width, EGLint height)
1472 {
1473 struct dri2_egl_display *dri2_dpy = dri2_egl_display(dpy);
1474 return dri2_dpy->vtbl->post_sub_buffer(drv, dpy, surf, x, y, width, height);
1475 }
1476
1477 static EGLBoolean
1478 dri2_copy_buffers(_EGLDriver *drv, _EGLDisplay *dpy, _EGLSurface *surf,
1479 void *native_pixmap_target)
1480 {
1481 struct dri2_egl_display *dri2_dpy = dri2_egl_display(dpy);
1482 return dri2_dpy->vtbl->copy_buffers(drv, dpy, surf, native_pixmap_target);
1483 }
1484
1485 static EGLint
1486 dri2_query_buffer_age(_EGLDriver *drv, _EGLDisplay *dpy, _EGLSurface *surf)
1487 {
1488 struct dri2_egl_display *dri2_dpy = dri2_egl_display(dpy);
1489 return dri2_dpy->vtbl->query_buffer_age(drv, dpy, surf);
1490 }
1491
1492 static EGLBoolean
1493 dri2_wait_client(_EGLDriver *drv, _EGLDisplay *disp, _EGLContext *ctx)
1494 {
1495 struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
1496 _EGLSurface *surf = ctx->DrawSurface;
1497 __DRIdrawable *dri_drawable = dri2_dpy->vtbl->get_dri_drawable(surf);
1498
1499 (void) drv;
1500
1501 /* FIXME: If EGL allows frontbuffer rendering for window surfaces,
1502 * we need to copy fake to real here.*/
1503
1504 if (dri2_dpy->flush != NULL)
1505 dri2_dpy->flush->flush(dri_drawable);
1506
1507 return EGL_TRUE;
1508 }
1509
1510 static EGLBoolean
1511 dri2_wait_native(_EGLDriver *drv, _EGLDisplay *disp, EGLint engine)
1512 {
1513 (void) drv;
1514 (void) disp;
1515
1516 if (engine != EGL_CORE_NATIVE_ENGINE)
1517 return _eglError(EGL_BAD_PARAMETER, "eglWaitNative");
1518 /* glXWaitX(); */
1519
1520 return EGL_TRUE;
1521 }
1522
1523 static EGLBoolean
1524 dri2_bind_tex_image(_EGLDriver *drv,
1525 _EGLDisplay *disp, _EGLSurface *surf, EGLint buffer)
1526 {
1527 struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
1528 struct dri2_egl_context *dri2_ctx;
1529 _EGLContext *ctx;
1530 GLint format, target;
1531 __DRIdrawable *dri_drawable = dri2_dpy->vtbl->get_dri_drawable(surf);
1532
1533 ctx = _eglGetCurrentContext();
1534 dri2_ctx = dri2_egl_context(ctx);
1535
1536 if (!_eglBindTexImage(drv, disp, surf, buffer))
1537 return EGL_FALSE;
1538
1539 switch (surf->TextureFormat) {
1540 case EGL_TEXTURE_RGB:
1541 format = __DRI_TEXTURE_FORMAT_RGB;
1542 break;
1543 case EGL_TEXTURE_RGBA:
1544 format = __DRI_TEXTURE_FORMAT_RGBA;
1545 break;
1546 default:
1547 assert(!"Unexpected texture format in dri2_bind_tex_image()");
1548 format = __DRI_TEXTURE_FORMAT_RGBA;
1549 }
1550
1551 switch (surf->TextureTarget) {
1552 case EGL_TEXTURE_2D:
1553 target = GL_TEXTURE_2D;
1554 break;
1555 default:
1556 target = GL_TEXTURE_2D;
1557 assert(!"Unexpected texture target in dri2_bind_tex_image()");
1558 }
1559
1560 dri2_dpy->tex_buffer->setTexBuffer2(dri2_ctx->dri_context,
1561 target, format,
1562 dri_drawable);
1563
1564 return EGL_TRUE;
1565 }
1566
1567 static EGLBoolean
1568 dri2_release_tex_image(_EGLDriver *drv,
1569 _EGLDisplay *disp, _EGLSurface *surf, EGLint buffer)
1570 {
1571 struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
1572 struct dri2_egl_context *dri2_ctx;
1573 _EGLContext *ctx;
1574 GLint target;
1575 __DRIdrawable *dri_drawable = dri2_dpy->vtbl->get_dri_drawable(surf);
1576
1577 ctx = _eglGetCurrentContext();
1578 dri2_ctx = dri2_egl_context(ctx);
1579
1580 if (!_eglReleaseTexImage(drv, disp, surf, buffer))
1581 return EGL_FALSE;
1582
1583 switch (surf->TextureTarget) {
1584 case EGL_TEXTURE_2D:
1585 target = GL_TEXTURE_2D;
1586 break;
1587 default:
1588 assert(0);
1589 }
1590
1591 if (dri2_dpy->tex_buffer->base.version >= 3 &&
1592 dri2_dpy->tex_buffer->releaseTexBuffer != NULL) {
1593 dri2_dpy->tex_buffer->releaseTexBuffer(dri2_ctx->dri_context,
1594 target, dri_drawable);
1595 }
1596
1597 return EGL_TRUE;
1598 }
1599
1600 static _EGLImage*
1601 dri2_create_image(_EGLDriver *drv, _EGLDisplay *dpy, _EGLContext *ctx,
1602 EGLenum target, EGLClientBuffer buffer,
1603 const EGLint *attr_list)
1604 {
1605 struct dri2_egl_display *dri2_dpy = dri2_egl_display(dpy);
1606 return dri2_dpy->vtbl->create_image(drv, dpy, ctx, target, buffer,
1607 attr_list);
1608 }
1609
1610 static _EGLImage *
1611 dri2_create_image_from_dri(_EGLDisplay *disp, __DRIimage *dri_image)
1612 {
1613 struct dri2_egl_image *dri2_img;
1614
1615 if (dri_image == NULL) {
1616 _eglError(EGL_BAD_ALLOC, "dri2_create_image");
1617 return NULL;
1618 }
1619
1620 dri2_img = malloc(sizeof *dri2_img);
1621 if (!dri2_img) {
1622 _eglError(EGL_BAD_ALLOC, "dri2_create_image");
1623 return NULL;
1624 }
1625
1626 if (!_eglInitImage(&dri2_img->base, disp)) {
1627 free(dri2_img);
1628 return NULL;
1629 }
1630
1631 dri2_img->dri_image = dri_image;
1632
1633 return &dri2_img->base;
1634 }
1635
1636 static _EGLImage *
1637 dri2_create_image_khr_renderbuffer(_EGLDisplay *disp, _EGLContext *ctx,
1638 EGLClientBuffer buffer,
1639 const EGLint *attr_list)
1640 {
1641 struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
1642 struct dri2_egl_context *dri2_ctx = dri2_egl_context(ctx);
1643 GLuint renderbuffer = (GLuint) (uintptr_t) buffer;
1644 __DRIimage *dri_image;
1645
1646 if (renderbuffer == 0) {
1647 _eglError(EGL_BAD_PARAMETER, "dri2_create_image_khr");
1648 return EGL_NO_IMAGE_KHR;
1649 }
1650
1651 dri_image =
1652 dri2_dpy->image->createImageFromRenderbuffer(dri2_ctx->dri_context,
1653 renderbuffer, NULL);
1654
1655 return dri2_create_image_from_dri(disp, dri_image);
1656 }
1657
1658 #ifdef HAVE_WAYLAND_PLATFORM
1659
1660 /* This structure describes how a wl_buffer maps to one or more
1661 * __DRIimages. A wl_drm_buffer stores the wl_drm format code and the
1662 * offsets and strides of the planes in the buffer. This table maps a
1663 * wl_drm format code to a description of the planes in the buffer
1664 * that lets us create a __DRIimage for each of the planes. */
1665
1666 static const struct wl_drm_components_descriptor {
1667 uint32_t dri_components;
1668 EGLint components;
1669 int nplanes;
1670 } wl_drm_components[] = {
1671 { __DRI_IMAGE_COMPONENTS_RGB, EGL_TEXTURE_RGB, 1 },
1672 { __DRI_IMAGE_COMPONENTS_RGBA, EGL_TEXTURE_RGBA, 1 },
1673 { __DRI_IMAGE_COMPONENTS_Y_U_V, EGL_TEXTURE_Y_U_V_WL, 3 },
1674 { __DRI_IMAGE_COMPONENTS_Y_UV, EGL_TEXTURE_Y_UV_WL, 2 },
1675 { __DRI_IMAGE_COMPONENTS_Y_XUXV, EGL_TEXTURE_Y_XUXV_WL, 2 },
1676 };
1677
1678 static _EGLImage *
1679 dri2_create_image_wayland_wl_buffer(_EGLDisplay *disp, _EGLContext *ctx,
1680 EGLClientBuffer _buffer,
1681 const EGLint *attr_list)
1682 {
1683 struct wl_drm_buffer *buffer;
1684 struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
1685 const struct wl_drm_components_descriptor *f;
1686 __DRIimage *dri_image;
1687 _EGLImageAttribs attrs;
1688 EGLint err;
1689 int32_t plane;
1690
1691 buffer = wayland_drm_buffer_get(dri2_dpy->wl_server_drm,
1692 (struct wl_resource *) _buffer);
1693 if (!buffer)
1694 return NULL;
1695
1696 err = _eglParseImageAttribList(&attrs, disp, attr_list);
1697 plane = attrs.PlaneWL;
1698 if (err != EGL_SUCCESS) {
1699 _eglError(EGL_BAD_PARAMETER, "dri2_create_image_wayland_wl_buffer");
1700 return NULL;
1701 }
1702
1703 f = buffer->driver_format;
1704 if (plane < 0 || plane >= f->nplanes) {
1705 _eglError(EGL_BAD_PARAMETER,
1706 "dri2_create_image_wayland_wl_buffer (plane out of bounds)");
1707 return NULL;
1708 }
1709
1710 dri_image = dri2_dpy->image->fromPlanar(buffer->driver_buffer, plane, NULL);
1711
1712 if (dri_image == NULL) {
1713 _eglError(EGL_BAD_PARAMETER, "dri2_create_image_wayland_wl_buffer");
1714 return NULL;
1715 }
1716
1717 return dri2_create_image_from_dri(disp, dri_image);
1718 }
1719 #endif
1720
1721 static EGLBoolean
1722 dri2_get_sync_values_chromium(_EGLDisplay *dpy, _EGLSurface *surf,
1723 EGLuint64KHR *ust, EGLuint64KHR *msc,
1724 EGLuint64KHR *sbc)
1725 {
1726 struct dri2_egl_display *dri2_dpy = dri2_egl_display(dpy);
1727 return dri2_dpy->vtbl->get_sync_values(dpy, surf, ust, msc, sbc);
1728 }
1729
1730 /**
1731 * Set the error code after a call to
1732 * dri2_egl_image::dri_image::createImageFromTexture.
1733 */
1734 static void
1735 dri2_create_image_khr_texture_error(int dri_error)
1736 {
1737 EGLint egl_error;
1738
1739 switch (dri_error) {
1740 case __DRI_IMAGE_ERROR_SUCCESS:
1741 return;
1742
1743 case __DRI_IMAGE_ERROR_BAD_ALLOC:
1744 egl_error = EGL_BAD_ALLOC;
1745 break;
1746
1747 case __DRI_IMAGE_ERROR_BAD_MATCH:
1748 egl_error = EGL_BAD_MATCH;
1749 break;
1750
1751 case __DRI_IMAGE_ERROR_BAD_PARAMETER:
1752 egl_error = EGL_BAD_PARAMETER;
1753 break;
1754
1755 case __DRI_IMAGE_ERROR_BAD_ACCESS:
1756 egl_error = EGL_BAD_ACCESS;
1757 break;
1758
1759 default:
1760 assert(0);
1761 egl_error = EGL_BAD_MATCH;
1762 break;
1763 }
1764
1765 _eglError(egl_error, "dri2_create_image_khr_texture");
1766 }
1767
1768 static _EGLImage *
1769 dri2_create_image_khr_texture(_EGLDisplay *disp, _EGLContext *ctx,
1770 EGLenum target,
1771 EGLClientBuffer buffer,
1772 const EGLint *attr_list)
1773 {
1774 struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
1775 struct dri2_egl_context *dri2_ctx = dri2_egl_context(ctx);
1776 struct dri2_egl_image *dri2_img;
1777 GLuint texture = (GLuint) (uintptr_t) buffer;
1778 _EGLImageAttribs attrs;
1779 GLuint depth;
1780 GLenum gl_target;
1781 unsigned error;
1782
1783 if (texture == 0) {
1784 _eglError(EGL_BAD_PARAMETER, "dri2_create_image_khr");
1785 return EGL_NO_IMAGE_KHR;
1786 }
1787
1788 if (_eglParseImageAttribList(&attrs, disp, attr_list) != EGL_SUCCESS)
1789 return EGL_NO_IMAGE_KHR;
1790
1791 switch (target) {
1792 case EGL_GL_TEXTURE_2D_KHR:
1793 depth = 0;
1794 gl_target = GL_TEXTURE_2D;
1795 break;
1796 case EGL_GL_TEXTURE_3D_KHR:
1797 if (disp->Extensions.KHR_gl_texture_3D_image) {
1798 depth = attrs.GLTextureZOffset;
1799 gl_target = GL_TEXTURE_3D;
1800 break;
1801 }
1802 else {
1803 _eglError(EGL_BAD_PARAMETER, "dri2_create_image_khr");
1804 return EGL_NO_IMAGE_KHR;
1805 }
1806 case EGL_GL_TEXTURE_CUBE_MAP_POSITIVE_X_KHR:
1807 case EGL_GL_TEXTURE_CUBE_MAP_NEGATIVE_X_KHR:
1808 case EGL_GL_TEXTURE_CUBE_MAP_POSITIVE_Y_KHR:
1809 case EGL_GL_TEXTURE_CUBE_MAP_NEGATIVE_Y_KHR:
1810 case EGL_GL_TEXTURE_CUBE_MAP_POSITIVE_Z_KHR:
1811 case EGL_GL_TEXTURE_CUBE_MAP_NEGATIVE_Z_KHR:
1812 depth = target - EGL_GL_TEXTURE_CUBE_MAP_POSITIVE_X_KHR;
1813 gl_target = GL_TEXTURE_CUBE_MAP;
1814 break;
1815 default:
1816 _eglError(EGL_BAD_PARAMETER, "dri2_create_image_khr");
1817 return EGL_NO_IMAGE_KHR;
1818 }
1819
1820 dri2_img = malloc(sizeof *dri2_img);
1821 if (!dri2_img) {
1822 _eglError(EGL_BAD_ALLOC, "dri2_create_image_khr");
1823 return EGL_NO_IMAGE_KHR;
1824 }
1825
1826 if (!_eglInitImage(&dri2_img->base, disp)) {
1827 _eglError(EGL_BAD_ALLOC, "dri2_create_image_khr");
1828 free(dri2_img);
1829 return EGL_NO_IMAGE_KHR;
1830 }
1831
1832 dri2_img->dri_image =
1833 dri2_dpy->image->createImageFromTexture(dri2_ctx->dri_context,
1834 gl_target,
1835 texture,
1836 depth,
1837 attrs.GLTextureLevel,
1838 &error,
1839 dri2_img);
1840 dri2_create_image_khr_texture_error(error);
1841
1842 if (!dri2_img->dri_image) {
1843 free(dri2_img);
1844 return EGL_NO_IMAGE_KHR;
1845 }
1846 return &dri2_img->base;
1847 }
1848
1849 static EGLBoolean
1850 dri2_query_surface(_EGLDriver *drv, _EGLDisplay *dpy, _EGLSurface *surf,
1851 EGLint attribute, EGLint *value)
1852 {
1853 struct dri2_egl_display *dri2_dpy = dri2_egl_display(dpy);
1854 if (!dri2_dpy->vtbl->query_surface)
1855 return _eglQuerySurface(drv, dpy, surf, attribute, value);
1856 return dri2_dpy->vtbl->query_surface(drv, dpy, surf, attribute, value);
1857 }
1858
1859 static struct wl_buffer*
1860 dri2_create_wayland_buffer_from_image(_EGLDriver *drv, _EGLDisplay *dpy,
1861 _EGLImage *img)
1862 {
1863 struct dri2_egl_display *dri2_dpy = dri2_egl_display(dpy);
1864 return dri2_dpy->vtbl->create_wayland_buffer_from_image(drv, dpy, img);
1865 }
1866
1867 #ifdef HAVE_LIBDRM
1868 static _EGLImage *
1869 dri2_create_image_mesa_drm_buffer(_EGLDisplay *disp, _EGLContext *ctx,
1870 EGLClientBuffer buffer, const EGLint *attr_list)
1871 {
1872 struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
1873 EGLint format, name, pitch, err;
1874 _EGLImageAttribs attrs;
1875 __DRIimage *dri_image;
1876
1877 name = (EGLint) (uintptr_t) buffer;
1878
1879 err = _eglParseImageAttribList(&attrs, disp, attr_list);
1880 if (err != EGL_SUCCESS)
1881 return NULL;
1882
1883 if (attrs.Width <= 0 || attrs.Height <= 0 ||
1884 attrs.DRMBufferStrideMESA <= 0) {
1885 _eglError(EGL_BAD_PARAMETER,
1886 "bad width, height or stride");
1887 return NULL;
1888 }
1889
1890 switch (attrs.DRMBufferFormatMESA) {
1891 case EGL_DRM_BUFFER_FORMAT_ARGB32_MESA:
1892 format = __DRI_IMAGE_FORMAT_ARGB8888;
1893 pitch = attrs.DRMBufferStrideMESA;
1894 break;
1895 default:
1896 _eglError(EGL_BAD_PARAMETER,
1897 "dri2_create_image_khr: unsupported pixmap depth");
1898 return NULL;
1899 }
1900
1901 dri_image =
1902 dri2_dpy->image->createImageFromName(dri2_dpy->dri_screen,
1903 attrs.Width,
1904 attrs.Height,
1905 format,
1906 name,
1907 pitch,
1908 NULL);
1909
1910 return dri2_create_image_from_dri(disp, dri_image);
1911 }
1912
1913 static EGLBoolean
1914 dri2_check_dma_buf_attribs(const _EGLImageAttribs *attrs)
1915 {
1916 unsigned i;
1917
1918 /**
1919 * The spec says:
1920 *
1921 * "Required attributes and their values are as follows:
1922 *
1923 * * EGL_WIDTH & EGL_HEIGHT: The logical dimensions of the buffer in pixels
1924 *
1925 * * EGL_LINUX_DRM_FOURCC_EXT: The pixel format of the buffer, as specified
1926 * by drm_fourcc.h and used as the pixel_format parameter of the
1927 * drm_mode_fb_cmd2 ioctl."
1928 *
1929 * and
1930 *
1931 * "* If <target> is EGL_LINUX_DMA_BUF_EXT, and the list of attributes is
1932 * incomplete, EGL_BAD_PARAMETER is generated."
1933 */
1934 if (attrs->Width <= 0 || attrs->Height <= 0 ||
1935 !attrs->DMABufFourCC.IsPresent) {
1936 _eglError(EGL_BAD_PARAMETER, "attribute(s) missing");
1937 return EGL_FALSE;
1938 }
1939
1940 /**
1941 * Also:
1942 *
1943 * "If <target> is EGL_LINUX_DMA_BUF_EXT and one or more of the values
1944 * specified for a plane's pitch or offset isn't supported by EGL,
1945 * EGL_BAD_ACCESS is generated."
1946 */
1947 for (i = 0; i < ARRAY_SIZE(attrs->DMABufPlanePitches); ++i) {
1948 if (attrs->DMABufPlanePitches[i].IsPresent &&
1949 attrs->DMABufPlanePitches[i].Value <= 0) {
1950 _eglError(EGL_BAD_ACCESS, "invalid pitch");
1951 return EGL_FALSE;
1952 }
1953 }
1954
1955 return EGL_TRUE;
1956 }
1957
1958 /* Returns the total number of file descriptors. Zero indicates an error. */
1959 static unsigned
1960 dri2_check_dma_buf_format(const _EGLImageAttribs *attrs)
1961 {
1962 unsigned i, plane_n;
1963
1964 switch (attrs->DMABufFourCC.Value) {
1965 case DRM_FORMAT_R8:
1966 case DRM_FORMAT_RG88:
1967 case DRM_FORMAT_GR88:
1968 case DRM_FORMAT_R16:
1969 case DRM_FORMAT_GR1616:
1970 case DRM_FORMAT_RGB332:
1971 case DRM_FORMAT_BGR233:
1972 case DRM_FORMAT_XRGB4444:
1973 case DRM_FORMAT_XBGR4444:
1974 case DRM_FORMAT_RGBX4444:
1975 case DRM_FORMAT_BGRX4444:
1976 case DRM_FORMAT_ARGB4444:
1977 case DRM_FORMAT_ABGR4444:
1978 case DRM_FORMAT_RGBA4444:
1979 case DRM_FORMAT_BGRA4444:
1980 case DRM_FORMAT_XRGB1555:
1981 case DRM_FORMAT_XBGR1555:
1982 case DRM_FORMAT_RGBX5551:
1983 case DRM_FORMAT_BGRX5551:
1984 case DRM_FORMAT_ARGB1555:
1985 case DRM_FORMAT_ABGR1555:
1986 case DRM_FORMAT_RGBA5551:
1987 case DRM_FORMAT_BGRA5551:
1988 case DRM_FORMAT_RGB565:
1989 case DRM_FORMAT_BGR565:
1990 case DRM_FORMAT_RGB888:
1991 case DRM_FORMAT_BGR888:
1992 case DRM_FORMAT_XRGB8888:
1993 case DRM_FORMAT_XBGR8888:
1994 case DRM_FORMAT_RGBX8888:
1995 case DRM_FORMAT_BGRX8888:
1996 case DRM_FORMAT_ARGB8888:
1997 case DRM_FORMAT_ABGR8888:
1998 case DRM_FORMAT_RGBA8888:
1999 case DRM_FORMAT_BGRA8888:
2000 case DRM_FORMAT_XRGB2101010:
2001 case DRM_FORMAT_XBGR2101010:
2002 case DRM_FORMAT_RGBX1010102:
2003 case DRM_FORMAT_BGRX1010102:
2004 case DRM_FORMAT_ARGB2101010:
2005 case DRM_FORMAT_ABGR2101010:
2006 case DRM_FORMAT_RGBA1010102:
2007 case DRM_FORMAT_BGRA1010102:
2008 case DRM_FORMAT_YUYV:
2009 case DRM_FORMAT_YVYU:
2010 case DRM_FORMAT_UYVY:
2011 case DRM_FORMAT_VYUY:
2012 plane_n = 1;
2013 break;
2014 case DRM_FORMAT_NV12:
2015 case DRM_FORMAT_NV21:
2016 case DRM_FORMAT_NV16:
2017 case DRM_FORMAT_NV61:
2018 plane_n = 2;
2019 break;
2020 case DRM_FORMAT_YUV410:
2021 case DRM_FORMAT_YVU410:
2022 case DRM_FORMAT_YUV411:
2023 case DRM_FORMAT_YVU411:
2024 case DRM_FORMAT_YUV420:
2025 case DRM_FORMAT_YVU420:
2026 case DRM_FORMAT_YUV422:
2027 case DRM_FORMAT_YVU422:
2028 case DRM_FORMAT_YUV444:
2029 case DRM_FORMAT_YVU444:
2030 plane_n = 3;
2031 break;
2032 default:
2033 _eglError(EGL_BAD_ATTRIBUTE, "invalid format");
2034 return 0;
2035 }
2036
2037 /**
2038 * The spec says:
2039 *
2040 * "* If <target> is EGL_LINUX_DMA_BUF_EXT, and the list of attributes is
2041 * incomplete, EGL_BAD_PARAMETER is generated."
2042 */
2043 for (i = 0; i < plane_n; ++i) {
2044 if (!attrs->DMABufPlaneFds[i].IsPresent ||
2045 !attrs->DMABufPlaneOffsets[i].IsPresent ||
2046 !attrs->DMABufPlanePitches[i].IsPresent) {
2047 _eglError(EGL_BAD_PARAMETER, "plane attribute(s) missing");
2048 return 0;
2049 }
2050 }
2051
2052 /**
2053 * The spec also says:
2054 *
2055 * "If <target> is EGL_LINUX_DMA_BUF_EXT, and the EGL_LINUX_DRM_FOURCC_EXT
2056 * attribute indicates a single-plane format, EGL_BAD_ATTRIBUTE is
2057 * generated if any of the EGL_DMA_BUF_PLANE1_* or EGL_DMA_BUF_PLANE2_*
2058 * attributes are specified."
2059 */
2060 for (i = plane_n; i < 3; ++i) {
2061 if (attrs->DMABufPlaneFds[i].IsPresent ||
2062 attrs->DMABufPlaneOffsets[i].IsPresent ||
2063 attrs->DMABufPlanePitches[i].IsPresent) {
2064 _eglError(EGL_BAD_ATTRIBUTE, "too many plane attributes");
2065 return 0;
2066 }
2067 }
2068
2069 return plane_n;
2070 }
2071
2072 /**
2073 * The spec says:
2074 *
2075 * "If eglCreateImageKHR is successful for a EGL_LINUX_DMA_BUF_EXT target, the
2076 * EGL will take a reference to the dma_buf(s) which it will release at any
2077 * time while the EGLDisplay is initialized. It is the responsibility of the
2078 * application to close the dma_buf file descriptors."
2079 *
2080 * Therefore we must never close or otherwise modify the file descriptors.
2081 */
2082 _EGLImage *
2083 dri2_create_image_dma_buf(_EGLDisplay *disp, _EGLContext *ctx,
2084 EGLClientBuffer buffer, const EGLint *attr_list)
2085 {
2086 struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
2087 _EGLImage *res;
2088 EGLint err;
2089 _EGLImageAttribs attrs;
2090 __DRIimage *dri_image;
2091 unsigned num_fds;
2092 unsigned i;
2093 int fds[3];
2094 int pitches[3];
2095 int offsets[3];
2096 unsigned error;
2097
2098 /**
2099 * The spec says:
2100 *
2101 * ""* If <target> is EGL_LINUX_DMA_BUF_EXT and <buffer> is not NULL, the
2102 * error EGL_BAD_PARAMETER is generated."
2103 */
2104 if (buffer != NULL) {
2105 _eglError(EGL_BAD_PARAMETER, "buffer not NULL");
2106 return NULL;
2107 }
2108
2109 err = _eglParseImageAttribList(&attrs, disp, attr_list);
2110 if (err != EGL_SUCCESS) {
2111 _eglError(err, "bad attribute");
2112 return NULL;
2113 }
2114
2115 if (!dri2_check_dma_buf_attribs(&attrs))
2116 return NULL;
2117
2118 num_fds = dri2_check_dma_buf_format(&attrs);
2119 if (!num_fds)
2120 return NULL;
2121
2122 for (i = 0; i < num_fds; ++i) {
2123 fds[i] = attrs.DMABufPlaneFds[i].Value;
2124 pitches[i] = attrs.DMABufPlanePitches[i].Value;
2125 offsets[i] = attrs.DMABufPlaneOffsets[i].Value;
2126 }
2127
2128 dri_image =
2129 dri2_dpy->image->createImageFromDmaBufs(dri2_dpy->dri_screen,
2130 attrs.Width, attrs.Height, attrs.DMABufFourCC.Value,
2131 fds, num_fds, pitches, offsets,
2132 attrs.DMABufYuvColorSpaceHint.Value,
2133 attrs.DMABufSampleRangeHint.Value,
2134 attrs.DMABufChromaHorizontalSiting.Value,
2135 attrs.DMABufChromaVerticalSiting.Value,
2136 &error,
2137 NULL);
2138 dri2_create_image_khr_texture_error(error);
2139
2140 if (!dri_image)
2141 return EGL_NO_IMAGE_KHR;
2142
2143 res = dri2_create_image_from_dri(disp, dri_image);
2144
2145 return res;
2146 }
2147 static _EGLImage *
2148 dri2_create_drm_image_mesa(_EGLDriver *drv, _EGLDisplay *disp,
2149 const EGLint *attr_list)
2150 {
2151 struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
2152 struct dri2_egl_image *dri2_img;
2153 _EGLImageAttribs attrs;
2154 unsigned int dri_use, valid_mask;
2155 int format;
2156 EGLint err = EGL_SUCCESS;
2157
2158 (void) drv;
2159
2160 dri2_img = malloc(sizeof *dri2_img);
2161 if (!dri2_img) {
2162 _eglError(EGL_BAD_ALLOC, "dri2_create_image_khr");
2163 return EGL_NO_IMAGE_KHR;
2164 }
2165
2166 if (!attr_list) {
2167 err = EGL_BAD_PARAMETER;
2168 goto cleanup_img;
2169 }
2170
2171 if (!_eglInitImage(&dri2_img->base, disp)) {
2172 err = EGL_BAD_PARAMETER;
2173 goto cleanup_img;
2174 }
2175
2176 err = _eglParseImageAttribList(&attrs, disp, attr_list);
2177 if (err != EGL_SUCCESS)
2178 goto cleanup_img;
2179
2180 if (attrs.Width <= 0 || attrs.Height <= 0) {
2181 _eglLog(_EGL_WARNING, "bad width or height (%dx%d)",
2182 attrs.Width, attrs.Height);
2183 goto cleanup_img;
2184 }
2185
2186 switch (attrs.DRMBufferFormatMESA) {
2187 case EGL_DRM_BUFFER_FORMAT_ARGB32_MESA:
2188 format = __DRI_IMAGE_FORMAT_ARGB8888;
2189 break;
2190 default:
2191 _eglLog(_EGL_WARNING, "bad image format value 0x%04x",
2192 attrs.DRMBufferFormatMESA);
2193 goto cleanup_img;
2194 }
2195
2196 valid_mask =
2197 EGL_DRM_BUFFER_USE_SCANOUT_MESA |
2198 EGL_DRM_BUFFER_USE_SHARE_MESA |
2199 EGL_DRM_BUFFER_USE_CURSOR_MESA;
2200 if (attrs.DRMBufferUseMESA & ~valid_mask) {
2201 _eglLog(_EGL_WARNING, "bad image use bit 0x%04x",
2202 attrs.DRMBufferUseMESA & ~valid_mask);
2203 goto cleanup_img;
2204 }
2205
2206 dri_use = 0;
2207 if (attrs.DRMBufferUseMESA & EGL_DRM_BUFFER_USE_SHARE_MESA)
2208 dri_use |= __DRI_IMAGE_USE_SHARE;
2209 if (attrs.DRMBufferUseMESA & EGL_DRM_BUFFER_USE_SCANOUT_MESA)
2210 dri_use |= __DRI_IMAGE_USE_SCANOUT;
2211 if (attrs.DRMBufferUseMESA & EGL_DRM_BUFFER_USE_CURSOR_MESA)
2212 dri_use |= __DRI_IMAGE_USE_CURSOR;
2213
2214 dri2_img->dri_image =
2215 dri2_dpy->image->createImage(dri2_dpy->dri_screen,
2216 attrs.Width, attrs.Height,
2217 format, dri_use, dri2_img);
2218 if (dri2_img->dri_image == NULL) {
2219 err = EGL_BAD_ALLOC;
2220 goto cleanup_img;
2221 }
2222
2223 return &dri2_img->base;
2224
2225 cleanup_img:
2226 free(dri2_img);
2227 _eglError(err, "dri2_create_drm_image_mesa");
2228
2229 return EGL_NO_IMAGE_KHR;
2230 }
2231
2232 static EGLBoolean
2233 dri2_export_drm_image_mesa(_EGLDriver *drv, _EGLDisplay *disp, _EGLImage *img,
2234 EGLint *name, EGLint *handle, EGLint *stride)
2235 {
2236 struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
2237 struct dri2_egl_image *dri2_img = dri2_egl_image(img);
2238
2239 (void) drv;
2240
2241 if (name && !dri2_dpy->image->queryImage(dri2_img->dri_image,
2242 __DRI_IMAGE_ATTRIB_NAME, name)) {
2243 _eglError(EGL_BAD_ALLOC, "dri2_export_drm_image_mesa");
2244 return EGL_FALSE;
2245 }
2246
2247 if (handle)
2248 dri2_dpy->image->queryImage(dri2_img->dri_image,
2249 __DRI_IMAGE_ATTRIB_HANDLE, handle);
2250
2251 if (stride)
2252 dri2_dpy->image->queryImage(dri2_img->dri_image,
2253 __DRI_IMAGE_ATTRIB_STRIDE, stride);
2254
2255 return EGL_TRUE;
2256 }
2257
2258 static EGLBoolean
2259 dri2_export_dma_buf_image_query_mesa(_EGLDriver *drv, _EGLDisplay *disp,
2260 _EGLImage *img,
2261 EGLint *fourcc, EGLint *nplanes,
2262 EGLuint64KHR *modifiers)
2263 {
2264 struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
2265 struct dri2_egl_image *dri2_img = dri2_egl_image(img);
2266
2267 (void) drv;
2268
2269
2270 if (nplanes)
2271 dri2_dpy->image->queryImage(dri2_img->dri_image,
2272 __DRI_IMAGE_ATTRIB_NUM_PLANES, nplanes);
2273 if (fourcc)
2274 dri2_dpy->image->queryImage(dri2_img->dri_image,
2275 __DRI_IMAGE_ATTRIB_FOURCC, fourcc);
2276
2277 if (modifiers)
2278 *modifiers = 0;
2279
2280 return EGL_TRUE;
2281 }
2282
2283 static EGLBoolean
2284 dri2_export_dma_buf_image_mesa(_EGLDriver *drv, _EGLDisplay *disp, _EGLImage *img,
2285 int *fds, EGLint *strides, EGLint *offsets)
2286 {
2287 struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
2288 struct dri2_egl_image *dri2_img = dri2_egl_image(img);
2289
2290 (void) drv;
2291
2292 /* rework later to provide multiple fds/strides/offsets */
2293 if (fds)
2294 dri2_dpy->image->queryImage(dri2_img->dri_image,
2295 __DRI_IMAGE_ATTRIB_FD, fds);
2296
2297 if (strides)
2298 dri2_dpy->image->queryImage(dri2_img->dri_image,
2299 __DRI_IMAGE_ATTRIB_STRIDE, strides);
2300
2301 if (offsets) {
2302 int img_offset;
2303 bool ret = dri2_dpy->image->queryImage(dri2_img->dri_image,
2304 __DRI_IMAGE_ATTRIB_OFFSET, &img_offset);
2305 if (ret)
2306 offsets[0] = img_offset;
2307 else
2308 offsets[0] = 0;
2309 }
2310
2311 return EGL_TRUE;
2312 }
2313
2314 #endif
2315
2316 _EGLImage *
2317 dri2_create_image_khr(_EGLDriver *drv, _EGLDisplay *disp,
2318 _EGLContext *ctx, EGLenum target,
2319 EGLClientBuffer buffer, const EGLint *attr_list)
2320 {
2321 (void) drv;
2322
2323 switch (target) {
2324 case EGL_GL_TEXTURE_2D_KHR:
2325 case EGL_GL_TEXTURE_CUBE_MAP_POSITIVE_X_KHR:
2326 case EGL_GL_TEXTURE_CUBE_MAP_NEGATIVE_X_KHR:
2327 case EGL_GL_TEXTURE_CUBE_MAP_POSITIVE_Y_KHR:
2328 case EGL_GL_TEXTURE_CUBE_MAP_NEGATIVE_Y_KHR:
2329 case EGL_GL_TEXTURE_CUBE_MAP_POSITIVE_Z_KHR:
2330 case EGL_GL_TEXTURE_CUBE_MAP_NEGATIVE_Z_KHR:
2331 return dri2_create_image_khr_texture(disp, ctx, target, buffer, attr_list);
2332 case EGL_GL_TEXTURE_3D_KHR:
2333 if (disp->Extensions.KHR_gl_texture_3D_image) {
2334 return dri2_create_image_khr_texture(disp, ctx, target, buffer, attr_list);
2335 }
2336 else {
2337 _eglError(EGL_BAD_PARAMETER, "dri2_create_image_khr");
2338 return EGL_NO_IMAGE_KHR;
2339 }
2340 case EGL_GL_RENDERBUFFER_KHR:
2341 return dri2_create_image_khr_renderbuffer(disp, ctx, buffer, attr_list);
2342 #ifdef HAVE_LIBDRM
2343 case EGL_DRM_BUFFER_MESA:
2344 return dri2_create_image_mesa_drm_buffer(disp, ctx, buffer, attr_list);
2345 case EGL_LINUX_DMA_BUF_EXT:
2346 return dri2_create_image_dma_buf(disp, ctx, buffer, attr_list);
2347 #endif
2348 #ifdef HAVE_WAYLAND_PLATFORM
2349 case EGL_WAYLAND_BUFFER_WL:
2350 return dri2_create_image_wayland_wl_buffer(disp, ctx, buffer, attr_list);
2351 #endif
2352 default:
2353 _eglError(EGL_BAD_PARAMETER, "dri2_create_image_khr");
2354 return EGL_NO_IMAGE_KHR;
2355 }
2356 }
2357
2358 static EGLBoolean
2359 dri2_destroy_image_khr(_EGLDriver *drv, _EGLDisplay *disp, _EGLImage *image)
2360 {
2361 struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
2362 struct dri2_egl_image *dri2_img = dri2_egl_image(image);
2363
2364 (void) drv;
2365
2366 dri2_dpy->image->destroyImage(dri2_img->dri_image);
2367 free(dri2_img);
2368
2369 return EGL_TRUE;
2370 }
2371
2372 #ifdef HAVE_WAYLAND_PLATFORM
2373
2374 static void
2375 dri2_wl_reference_buffer(void *user_data, uint32_t name, int fd,
2376 struct wl_drm_buffer *buffer)
2377 {
2378 _EGLDisplay *disp = user_data;
2379 struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
2380 __DRIimage *img;
2381 int i, dri_components = 0;
2382
2383 if (fd == -1)
2384 img = dri2_dpy->image->createImageFromNames(dri2_dpy->dri_screen,
2385 buffer->width,
2386 buffer->height,
2387 buffer->format,
2388 (int*)&name, 1,
2389 buffer->stride,
2390 buffer->offset,
2391 NULL);
2392 else
2393 img = dri2_dpy->image->createImageFromFds(dri2_dpy->dri_screen,
2394 buffer->width,
2395 buffer->height,
2396 buffer->format,
2397 &fd, 1,
2398 buffer->stride,
2399 buffer->offset,
2400 NULL);
2401
2402 if (img == NULL)
2403 return;
2404
2405 dri2_dpy->image->queryImage(img, __DRI_IMAGE_ATTRIB_COMPONENTS, &dri_components);
2406
2407 buffer->driver_format = NULL;
2408 for (i = 0; i < ARRAY_SIZE(wl_drm_components); i++)
2409 if (wl_drm_components[i].dri_components == dri_components)
2410 buffer->driver_format = &wl_drm_components[i];
2411
2412 if (buffer->driver_format == NULL)
2413 dri2_dpy->image->destroyImage(img);
2414 else
2415 buffer->driver_buffer = img;
2416 }
2417
2418 static void
2419 dri2_wl_release_buffer(void *user_data, struct wl_drm_buffer *buffer)
2420 {
2421 _EGLDisplay *disp = user_data;
2422 struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
2423
2424 dri2_dpy->image->destroyImage(buffer->driver_buffer);
2425 }
2426
2427 static struct wayland_drm_callbacks wl_drm_callbacks = {
2428 .authenticate = NULL,
2429 .reference_buffer = dri2_wl_reference_buffer,
2430 .release_buffer = dri2_wl_release_buffer
2431 };
2432
2433 static EGLBoolean
2434 dri2_bind_wayland_display_wl(_EGLDriver *drv, _EGLDisplay *disp,
2435 struct wl_display *wl_dpy)
2436 {
2437 struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
2438 int flags = 0;
2439 uint64_t cap;
2440
2441 (void) drv;
2442
2443 if (dri2_dpy->wl_server_drm)
2444 return EGL_FALSE;
2445
2446 wl_drm_callbacks.authenticate =
2447 (int(*)(void *, uint32_t)) dri2_dpy->vtbl->authenticate;
2448
2449 if (drmGetCap(dri2_dpy->fd, DRM_CAP_PRIME, &cap) == 0 &&
2450 cap == (DRM_PRIME_CAP_IMPORT | DRM_PRIME_CAP_EXPORT) &&
2451 dri2_dpy->image->base.version >= 7 &&
2452 dri2_dpy->image->createImageFromFds != NULL)
2453 flags |= WAYLAND_DRM_PRIME;
2454
2455 dri2_dpy->wl_server_drm =
2456 wayland_drm_init(wl_dpy, dri2_dpy->device_name,
2457 &wl_drm_callbacks, disp, flags);
2458
2459 if (!dri2_dpy->wl_server_drm)
2460 return EGL_FALSE;
2461
2462 #ifdef HAVE_DRM_PLATFORM
2463 /* We have to share the wl_drm instance with gbm, so gbm can convert
2464 * wl_buffers to gbm bos. */
2465 if (dri2_dpy->gbm_dri)
2466 dri2_dpy->gbm_dri->wl_drm = dri2_dpy->wl_server_drm;
2467 #endif
2468
2469 return EGL_TRUE;
2470 }
2471
2472 static EGLBoolean
2473 dri2_unbind_wayland_display_wl(_EGLDriver *drv, _EGLDisplay *disp,
2474 struct wl_display *wl_dpy)
2475 {
2476 struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
2477
2478 (void) drv;
2479
2480 if (!dri2_dpy->wl_server_drm)
2481 return EGL_FALSE;
2482
2483 wayland_drm_uninit(dri2_dpy->wl_server_drm);
2484 dri2_dpy->wl_server_drm = NULL;
2485
2486 return EGL_TRUE;
2487 }
2488
2489 static EGLBoolean
2490 dri2_query_wayland_buffer_wl(_EGLDriver *drv, _EGLDisplay *disp,
2491 struct wl_resource *buffer_resource,
2492 EGLint attribute, EGLint *value)
2493 {
2494 struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
2495 struct wl_drm_buffer *buffer;
2496 const struct wl_drm_components_descriptor *format;
2497
2498 buffer = wayland_drm_buffer_get(dri2_dpy->wl_server_drm, buffer_resource);
2499 if (!buffer)
2500 return EGL_FALSE;
2501
2502 format = buffer->driver_format;
2503 switch (attribute) {
2504 case EGL_TEXTURE_FORMAT:
2505 *value = format->components;
2506 return EGL_TRUE;
2507 case EGL_WIDTH:
2508 *value = buffer->width;
2509 return EGL_TRUE;
2510 case EGL_HEIGHT:
2511 *value = buffer->height;
2512 return EGL_TRUE;
2513 }
2514
2515 return EGL_FALSE;
2516 }
2517 #endif
2518
2519 static void
2520 dri2_egl_ref_sync(struct dri2_egl_sync *sync)
2521 {
2522 p_atomic_inc(&sync->refcount);
2523 }
2524
2525 static void
2526 dri2_egl_unref_sync(struct dri2_egl_display *dri2_dpy,
2527 struct dri2_egl_sync *dri2_sync)
2528 {
2529 if (p_atomic_dec_zero(&dri2_sync->refcount)) {
2530 switch (dri2_sync->base.Type) {
2531 case EGL_SYNC_REUSABLE_KHR:
2532 cnd_destroy(&dri2_sync->cond);
2533 break;
2534 case EGL_SYNC_NATIVE_FENCE_ANDROID:
2535 if (dri2_sync->base.SyncFd != EGL_NO_NATIVE_FENCE_FD_ANDROID)
2536 close(dri2_sync->base.SyncFd);
2537 break;
2538 default:
2539 break;
2540 }
2541
2542 if (dri2_sync->fence)
2543 dri2_dpy->fence->destroy_fence(dri2_dpy->dri_screen, dri2_sync->fence);
2544
2545 free(dri2_sync);
2546 }
2547 }
2548
2549 static _EGLSync *
2550 dri2_create_sync(_EGLDriver *drv, _EGLDisplay *dpy,
2551 EGLenum type, const EGLAttrib *attrib_list)
2552 {
2553 _EGLContext *ctx = _eglGetCurrentContext();
2554 struct dri2_egl_display *dri2_dpy = dri2_egl_display(dpy);
2555 struct dri2_egl_context *dri2_ctx = dri2_egl_context(ctx);
2556 struct dri2_egl_sync *dri2_sync;
2557 EGLint ret;
2558 pthread_condattr_t attr;
2559
2560 dri2_sync = calloc(1, sizeof(struct dri2_egl_sync));
2561 if (!dri2_sync) {
2562 _eglError(EGL_BAD_ALLOC, "eglCreateSyncKHR");
2563 return NULL;
2564 }
2565
2566 if (!_eglInitSync(&dri2_sync->base, dpy, type, attrib_list)) {
2567 free(dri2_sync);
2568 return NULL;
2569 }
2570
2571 switch (type) {
2572 case EGL_SYNC_FENCE_KHR:
2573 dri2_sync->fence = dri2_dpy->fence->create_fence(dri2_ctx->dri_context);
2574 if (!dri2_sync->fence) {
2575 /* Why did it fail? DRI doesn't return an error code, so we emit
2576 * a generic EGL error that doesn't communicate user error.
2577 */
2578 _eglError(EGL_BAD_ALLOC, "eglCreateSyncKHR");
2579 free(dri2_sync);
2580 return NULL;
2581 }
2582 break;
2583
2584 case EGL_SYNC_CL_EVENT_KHR:
2585 dri2_sync->fence = dri2_dpy->fence->get_fence_from_cl_event(
2586 dri2_dpy->dri_screen,
2587 dri2_sync->base.CLEvent);
2588 /* this can only happen if the cl_event passed in is invalid. */
2589 if (!dri2_sync->fence) {
2590 _eglError(EGL_BAD_ATTRIBUTE, "eglCreateSyncKHR");
2591 free(dri2_sync);
2592 return NULL;
2593 }
2594
2595 /* the initial status must be "signaled" if the cl_event is signaled */
2596 if (dri2_dpy->fence->client_wait_sync(dri2_ctx->dri_context,
2597 dri2_sync->fence, 0, 0))
2598 dri2_sync->base.SyncStatus = EGL_SIGNALED_KHR;
2599 break;
2600
2601 case EGL_SYNC_REUSABLE_KHR:
2602 /* intialize attr */
2603 ret = pthread_condattr_init(&attr);
2604
2605 if (ret) {
2606 _eglError(EGL_BAD_ACCESS, "eglCreateSyncKHR");
2607 free(dri2_sync);
2608 return NULL;
2609 }
2610
2611 /* change clock attribute to CLOCK_MONOTONIC */
2612 ret = pthread_condattr_setclock(&attr, CLOCK_MONOTONIC);
2613
2614 if (ret) {
2615 _eglError(EGL_BAD_ACCESS, "eglCreateSyncKHR");
2616 free(dri2_sync);
2617 return NULL;
2618 }
2619
2620 ret = pthread_cond_init(&dri2_sync->cond, &attr);
2621
2622 if (ret) {
2623 _eglError(EGL_BAD_ACCESS, "eglCreateSyncKHR");
2624 free(dri2_sync);
2625 return NULL;
2626 }
2627
2628 /* initial status of reusable sync must be "unsignaled" */
2629 dri2_sync->base.SyncStatus = EGL_UNSIGNALED_KHR;
2630 break;
2631
2632 case EGL_SYNC_NATIVE_FENCE_ANDROID:
2633 if (dri2_dpy->fence->create_fence_fd) {
2634 dri2_sync->fence = dri2_dpy->fence->create_fence_fd(
2635 dri2_ctx->dri_context,
2636 dri2_sync->base.SyncFd);
2637 }
2638 if (!dri2_sync->fence) {
2639 _eglError(EGL_BAD_ATTRIBUTE, "eglCreateSyncKHR");
2640 free(dri2_sync);
2641 return NULL;
2642 }
2643 break;
2644 }
2645
2646 p_atomic_set(&dri2_sync->refcount, 1);
2647 return &dri2_sync->base;
2648 }
2649
2650 static EGLBoolean
2651 dri2_destroy_sync(_EGLDriver *drv, _EGLDisplay *dpy, _EGLSync *sync)
2652 {
2653 struct dri2_egl_display *dri2_dpy = dri2_egl_display(dpy);
2654 struct dri2_egl_sync *dri2_sync = dri2_egl_sync(sync);
2655 EGLint ret = EGL_TRUE;
2656 EGLint err;
2657
2658 /* if type of sync is EGL_SYNC_REUSABLE_KHR and it is not signaled yet,
2659 * then unlock all threads possibly blocked by the reusable sync before
2660 * destroying it.
2661 */
2662 if (dri2_sync->base.Type == EGL_SYNC_REUSABLE_KHR &&
2663 dri2_sync->base.SyncStatus == EGL_UNSIGNALED_KHR) {
2664 dri2_sync->base.SyncStatus = EGL_SIGNALED_KHR;
2665 /* unblock all threads currently blocked by sync */
2666 err = cnd_broadcast(&dri2_sync->cond);
2667
2668 if (err) {
2669 _eglError(EGL_BAD_ACCESS, "eglDestroySyncKHR");
2670 ret = EGL_FALSE;
2671 }
2672 }
2673
2674 dri2_egl_unref_sync(dri2_dpy, dri2_sync);
2675
2676 return ret;
2677 }
2678
2679 static EGLint
2680 dri2_dup_native_fence_fd(_EGLDriver *drv, _EGLDisplay *dpy, _EGLSync *sync)
2681 {
2682 struct dri2_egl_display *dri2_dpy = dri2_egl_display(dpy);
2683 struct dri2_egl_sync *dri2_sync = dri2_egl_sync(sync);
2684
2685 assert(sync->Type == EGL_SYNC_NATIVE_FENCE_ANDROID);
2686
2687 if (sync->SyncFd == EGL_NO_NATIVE_FENCE_FD_ANDROID) {
2688 /* try to retrieve the actual native fence fd.. if rendering is
2689 * not flushed this will just return -1, aka NO_NATIVE_FENCE_FD:
2690 */
2691 sync->SyncFd = dri2_dpy->fence->get_fence_fd(dri2_dpy->dri_screen,
2692 dri2_sync->fence);
2693 }
2694
2695 if (sync->SyncFd == EGL_NO_NATIVE_FENCE_FD_ANDROID) {
2696 /* if native fence fd still not created, return an error: */
2697 _eglError(EGL_BAD_PARAMETER, "eglDupNativeFenceFDANDROID");
2698 return EGL_NO_NATIVE_FENCE_FD_ANDROID;
2699 }
2700
2701 return dup(sync->SyncFd);
2702 }
2703
2704 static EGLint
2705 dri2_client_wait_sync(_EGLDriver *drv, _EGLDisplay *dpy, _EGLSync *sync,
2706 EGLint flags, EGLTime timeout)
2707 {
2708 _EGLContext *ctx = _eglGetCurrentContext();
2709 struct dri2_egl_driver *dri2_drv = dri2_egl_driver(drv);
2710 struct dri2_egl_display *dri2_dpy = dri2_egl_display(dpy);
2711 struct dri2_egl_context *dri2_ctx = dri2_egl_context(ctx);
2712 struct dri2_egl_sync *dri2_sync = dri2_egl_sync(sync);
2713 unsigned wait_flags = 0;
2714
2715 /* timespecs for cnd_timedwait */
2716 struct timespec current;
2717 xtime expire;
2718
2719 EGLint ret = EGL_CONDITION_SATISFIED_KHR;
2720
2721 /* The EGL_KHR_fence_sync spec states:
2722 *
2723 * "If no context is current for the bound API,
2724 * the EGL_SYNC_FLUSH_COMMANDS_BIT_KHR bit is ignored.
2725 */
2726 if (dri2_ctx && flags & EGL_SYNC_FLUSH_COMMANDS_BIT_KHR)
2727 wait_flags |= __DRI2_FENCE_FLAG_FLUSH_COMMANDS;
2728
2729 /* the sync object should take a reference while waiting */
2730 dri2_egl_ref_sync(dri2_sync);
2731
2732 switch (sync->Type) {
2733 case EGL_SYNC_FENCE_KHR:
2734 case EGL_SYNC_NATIVE_FENCE_ANDROID:
2735 case EGL_SYNC_CL_EVENT_KHR:
2736 if (dri2_dpy->fence->client_wait_sync(dri2_ctx ? dri2_ctx->dri_context : NULL,
2737 dri2_sync->fence, wait_flags,
2738 timeout))
2739 dri2_sync->base.SyncStatus = EGL_SIGNALED_KHR;
2740 else
2741 ret = EGL_TIMEOUT_EXPIRED_KHR;
2742 break;
2743
2744 case EGL_SYNC_REUSABLE_KHR:
2745 if (dri2_ctx && dri2_sync->base.SyncStatus == EGL_UNSIGNALED_KHR &&
2746 (flags & EGL_SYNC_FLUSH_COMMANDS_BIT_KHR)) {
2747 /* flush context if EGL_SYNC_FLUSH_COMMANDS_BIT_KHR is set */
2748 dri2_drv->glFlush();
2749 }
2750
2751 /* if timeout is EGL_FOREVER_KHR, it should wait without any timeout.*/
2752 if (timeout == EGL_FOREVER_KHR) {
2753 mtx_lock(&dri2_sync->mutex);
2754 cnd_wait(&dri2_sync->cond, &dri2_sync->mutex);
2755 mtx_unlock(&dri2_sync->mutex);
2756 } else {
2757 /* if reusable sync has not been yet signaled */
2758 if (dri2_sync->base.SyncStatus != EGL_SIGNALED_KHR) {
2759 clock_gettime(CLOCK_MONOTONIC, &current);
2760
2761 /* calculating when to expire */
2762 expire.nsec = timeout % 1000000000L;
2763 expire.sec = timeout / 1000000000L;
2764
2765 expire.nsec += current.tv_nsec;
2766 expire.sec += current.tv_sec;
2767
2768 /* expire.nsec now is a number between 0 and 1999999998 */
2769 if (expire.nsec > 999999999L) {
2770 expire.sec++;
2771 expire.nsec -= 1000000000L;
2772 }
2773
2774 mtx_lock(&dri2_sync->mutex);
2775 ret = cnd_timedwait(&dri2_sync->cond, &dri2_sync->mutex, &expire);
2776 mtx_unlock(&dri2_sync->mutex);
2777
2778 if (ret == thrd_busy) {
2779 if (dri2_sync->base.SyncStatus == EGL_UNSIGNALED_KHR) {
2780 ret = EGL_TIMEOUT_EXPIRED_KHR;
2781 } else {
2782 _eglError(EGL_BAD_ACCESS, "eglClientWaitSyncKHR");
2783 ret = EGL_FALSE;
2784 }
2785 }
2786 }
2787 }
2788 break;
2789 }
2790 dri2_egl_unref_sync(dri2_dpy, dri2_sync);
2791
2792 return ret;
2793 }
2794
2795 static EGLBoolean
2796 dri2_signal_sync(_EGLDriver *drv, _EGLDisplay *dpy, _EGLSync *sync,
2797 EGLenum mode)
2798 {
2799 struct dri2_egl_sync *dri2_sync = dri2_egl_sync(sync);
2800 EGLint ret;
2801
2802 if (sync->Type != EGL_SYNC_REUSABLE_KHR) {
2803 _eglError(EGL_BAD_MATCH, "eglSignalSyncKHR");
2804 return EGL_FALSE;
2805 }
2806
2807 if (mode != EGL_SIGNALED_KHR && mode != EGL_UNSIGNALED_KHR) {
2808 _eglError(EGL_BAD_ATTRIBUTE, "eglSignalSyncKHR");
2809 return EGL_FALSE;
2810 }
2811
2812 dri2_sync->base.SyncStatus = mode;
2813
2814 if (mode == EGL_SIGNALED_KHR) {
2815 ret = cnd_broadcast(&dri2_sync->cond);
2816
2817 /* fail to broadcast */
2818 if (ret) {
2819 _eglError(EGL_BAD_ACCESS, "eglSignalSyncKHR");
2820 return EGL_FALSE;
2821 }
2822 }
2823
2824 return EGL_TRUE;
2825 }
2826
2827 static EGLint
2828 dri2_server_wait_sync(_EGLDriver *drv, _EGLDisplay *dpy, _EGLSync *sync)
2829 {
2830 _EGLContext *ctx = _eglGetCurrentContext();
2831 struct dri2_egl_display *dri2_dpy = dri2_egl_display(dpy);
2832 struct dri2_egl_context *dri2_ctx = dri2_egl_context(ctx);
2833 struct dri2_egl_sync *dri2_sync = dri2_egl_sync(sync);
2834
2835 dri2_dpy->fence->server_wait_sync(dri2_ctx->dri_context,
2836 dri2_sync->fence, 0);
2837 return EGL_TRUE;
2838 }
2839
2840 static int
2841 dri2_interop_query_device_info(_EGLDisplay *dpy, _EGLContext *ctx,
2842 struct mesa_glinterop_device_info *out)
2843 {
2844 struct dri2_egl_display *dri2_dpy = dri2_egl_display(dpy);
2845 struct dri2_egl_context *dri2_ctx = dri2_egl_context(ctx);
2846
2847 if (!dri2_dpy->interop)
2848 return MESA_GLINTEROP_UNSUPPORTED;
2849
2850 return dri2_dpy->interop->query_device_info(dri2_ctx->dri_context, out);
2851 }
2852
2853 static int
2854 dri2_interop_export_object(_EGLDisplay *dpy, _EGLContext *ctx,
2855 struct mesa_glinterop_export_in *in,
2856 struct mesa_glinterop_export_out *out)
2857 {
2858 struct dri2_egl_display *dri2_dpy = dri2_egl_display(dpy);
2859 struct dri2_egl_context *dri2_ctx = dri2_egl_context(ctx);
2860
2861 if (!dri2_dpy->interop)
2862 return MESA_GLINTEROP_UNSUPPORTED;
2863
2864 return dri2_dpy->interop->export_object(dri2_ctx->dri_context, in, out);
2865 }
2866
2867 static void
2868 dri2_unload(_EGLDriver *drv)
2869 {
2870 struct dri2_egl_driver *dri2_drv = dri2_egl_driver(drv);
2871
2872 dlclose(dri2_drv->handle);
2873 free(dri2_drv);
2874 }
2875
2876 static EGLBoolean
2877 dri2_load(_EGLDriver *drv)
2878 {
2879 struct dri2_egl_driver *dri2_drv = dri2_egl_driver(drv);
2880 #ifdef HAVE_ANDROID_PLATFORM
2881 const char *libname = "libglapi.so";
2882 #elif defined(__APPLE__)
2883 const char *libname = "libglapi.0.dylib";
2884 #elif defined(__CYGWIN__)
2885 const char *libname = "cygglapi-0.dll";
2886 #else
2887 const char *libname = "libglapi.so.0";
2888 #endif
2889 void *handle;
2890
2891 /* RTLD_GLOBAL to make sure glapi symbols are visible to DRI drivers */
2892 handle = dlopen(libname, RTLD_LAZY | RTLD_GLOBAL);
2893 if (!handle) {
2894 _eglLog(_EGL_WARNING, "DRI2: failed to open glapi provider");
2895 goto no_handle;
2896 }
2897
2898 dri2_drv->get_proc_address = (_EGLProc (*)(const char *))
2899 dlsym(handle, "_glapi_get_proc_address");
2900
2901 /* if glapi is not available, loading DRI drivers will fail */
2902 if (!dri2_drv->get_proc_address) {
2903 _eglLog(_EGL_WARNING, "DRI2: failed to find _glapi_get_proc_address");
2904 goto no_symbol;
2905 }
2906
2907 dri2_drv->glFlush = (void (*)(void))
2908 dri2_drv->get_proc_address("glFlush");
2909
2910 /* if glFlush is not available things are horribly broken */
2911 if (!dri2_drv->glFlush) {
2912 _eglLog(_EGL_WARNING, "DRI2: failed to find glFlush entry point");
2913 goto no_symbol;
2914 }
2915
2916 dri2_drv->handle = handle;
2917 return EGL_TRUE;
2918
2919 no_symbol:
2920 dlclose(handle);
2921 no_handle:
2922 return EGL_FALSE;
2923 }
2924
2925 /**
2926 * This is the main entrypoint into the driver, called by libEGL.
2927 * Create a new _EGLDriver object and init its dispatch table.
2928 */
2929 _EGLDriver *
2930 _eglBuiltInDriverDRI2(const char *args)
2931 {
2932 struct dri2_egl_driver *dri2_drv;
2933
2934 (void) args;
2935
2936 dri2_drv = calloc(1, sizeof *dri2_drv);
2937 if (!dri2_drv)
2938 return NULL;
2939
2940 if (!dri2_load(&dri2_drv->base)) {
2941 free(dri2_drv);
2942 return NULL;
2943 }
2944
2945 _eglInitDriverFallbacks(&dri2_drv->base);
2946 dri2_drv->base.API.Initialize = dri2_initialize;
2947 dri2_drv->base.API.Terminate = dri2_terminate;
2948 dri2_drv->base.API.CreateContext = dri2_create_context;
2949 dri2_drv->base.API.DestroyContext = dri2_destroy_context;
2950 dri2_drv->base.API.MakeCurrent = dri2_make_current;
2951 dri2_drv->base.API.CreateWindowSurface = dri2_create_window_surface;
2952 dri2_drv->base.API.CreatePixmapSurface = dri2_create_pixmap_surface;
2953 dri2_drv->base.API.CreatePbufferSurface = dri2_create_pbuffer_surface;
2954 dri2_drv->base.API.DestroySurface = dri2_destroy_surface;
2955 dri2_drv->base.API.GetProcAddress = dri2_get_proc_address;
2956 dri2_drv->base.API.WaitClient = dri2_wait_client;
2957 dri2_drv->base.API.WaitNative = dri2_wait_native;
2958 dri2_drv->base.API.BindTexImage = dri2_bind_tex_image;
2959 dri2_drv->base.API.ReleaseTexImage = dri2_release_tex_image;
2960 dri2_drv->base.API.SwapInterval = dri2_swap_interval;
2961 dri2_drv->base.API.SwapBuffers = dri2_swap_buffers;
2962 dri2_drv->base.API.SwapBuffersWithDamageEXT = dri2_swap_buffers_with_damage;
2963 dri2_drv->base.API.SwapBuffersRegionNOK = dri2_swap_buffers_region;
2964 dri2_drv->base.API.PostSubBufferNV = dri2_post_sub_buffer;
2965 dri2_drv->base.API.CopyBuffers = dri2_copy_buffers,
2966 dri2_drv->base.API.QueryBufferAge = dri2_query_buffer_age;
2967 dri2_drv->base.API.CreateImageKHR = dri2_create_image;
2968 dri2_drv->base.API.DestroyImageKHR = dri2_destroy_image_khr;
2969 dri2_drv->base.API.CreateWaylandBufferFromImageWL = dri2_create_wayland_buffer_from_image;
2970 dri2_drv->base.API.QuerySurface = dri2_query_surface;
2971 #ifdef HAVE_LIBDRM
2972 dri2_drv->base.API.CreateDRMImageMESA = dri2_create_drm_image_mesa;
2973 dri2_drv->base.API.ExportDRMImageMESA = dri2_export_drm_image_mesa;
2974 dri2_drv->base.API.ExportDMABUFImageQueryMESA = dri2_export_dma_buf_image_query_mesa;
2975 dri2_drv->base.API.ExportDMABUFImageMESA = dri2_export_dma_buf_image_mesa;
2976 #endif
2977 #ifdef HAVE_WAYLAND_PLATFORM
2978 dri2_drv->base.API.BindWaylandDisplayWL = dri2_bind_wayland_display_wl;
2979 dri2_drv->base.API.UnbindWaylandDisplayWL = dri2_unbind_wayland_display_wl;
2980 dri2_drv->base.API.QueryWaylandBufferWL = dri2_query_wayland_buffer_wl;
2981 #endif
2982 dri2_drv->base.API.GetSyncValuesCHROMIUM = dri2_get_sync_values_chromium;
2983 dri2_drv->base.API.CreateSyncKHR = dri2_create_sync;
2984 dri2_drv->base.API.ClientWaitSyncKHR = dri2_client_wait_sync;
2985 dri2_drv->base.API.SignalSyncKHR = dri2_signal_sync;
2986 dri2_drv->base.API.WaitSyncKHR = dri2_server_wait_sync;
2987 dri2_drv->base.API.DestroySyncKHR = dri2_destroy_sync;
2988 dri2_drv->base.API.GLInteropQueryDeviceInfo = dri2_interop_query_device_info;
2989 dri2_drv->base.API.GLInteropExportObject = dri2_interop_export_object;
2990 dri2_drv->base.API.DupNativeFenceFDANDROID = dri2_dup_native_fence_fd;
2991
2992 dri2_drv->base.Name = "DRI2";
2993 dri2_drv->base.Unload = dri2_unload;
2994
2995 return &dri2_drv->base;
2996 }