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egl: Ensure ResetNotificationStrategy matches for shared contexts.
[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 /* The EGL_EXT_create_context_robustness spec says:
1106 *
1107 * "Add to the eglCreateContext context creation errors: [...]
1108 *
1109 * * If the reset notification behavior of <share_context> and the
1110 * newly created context are different then an EGL_BAD_MATCH error is
1111 * generated."
1112 */
1113 if (share_list && share_list->ResetNotificationStrategy !=
1114 dri2_ctx->base.ResetNotificationStrategy) {
1115 _eglError(EGL_BAD_MATCH, "eglCreateContext");
1116 goto cleanup;
1117 }
1118
1119 switch (dri2_ctx->base.ClientAPI) {
1120 case EGL_OPENGL_ES_API:
1121 switch (dri2_ctx->base.ClientMajorVersion) {
1122 case 1:
1123 api = __DRI_API_GLES;
1124 break;
1125 case 2:
1126 api = __DRI_API_GLES2;
1127 break;
1128 case 3:
1129 api = __DRI_API_GLES3;
1130 break;
1131 default:
1132 _eglError(EGL_BAD_PARAMETER, "eglCreateContext");
1133 free(dri2_ctx);
1134 return NULL;
1135 }
1136 break;
1137 case EGL_OPENGL_API:
1138 if ((dri2_ctx->base.ClientMajorVersion >= 4
1139 || (dri2_ctx->base.ClientMajorVersion == 3
1140 && dri2_ctx->base.ClientMinorVersion >= 2))
1141 && dri2_ctx->base.Profile == EGL_CONTEXT_OPENGL_CORE_PROFILE_BIT_KHR)
1142 api = __DRI_API_OPENGL_CORE;
1143 else
1144 api = __DRI_API_OPENGL;
1145 break;
1146 default:
1147 _eglError(EGL_BAD_PARAMETER, "eglCreateContext");
1148 free(dri2_ctx);
1149 return NULL;
1150 }
1151
1152 if (conf != NULL) {
1153 /* The config chosen here isn't necessarily
1154 * used for surfaces later.
1155 * A pixmap surface will use the single config.
1156 * This opportunity depends on disabling the
1157 * doubleBufferMode check in
1158 * src/mesa/main/context.c:check_compatible()
1159 */
1160 if (dri2_config->dri_double_config[0])
1161 dri_config = dri2_config->dri_double_config[0];
1162 else
1163 dri_config = dri2_config->dri_single_config[0];
1164
1165 /* EGL_WINDOW_BIT is set only when there is a dri_double_config. This
1166 * makes sure the back buffer will always be used.
1167 */
1168 if (conf->SurfaceType & EGL_WINDOW_BIT)
1169 dri2_ctx->base.WindowRenderBuffer = EGL_BACK_BUFFER;
1170 }
1171 else
1172 dri_config = NULL;
1173
1174 if (dri2_dpy->image_driver) {
1175 unsigned error;
1176 unsigned num_attribs = 8;
1177 uint32_t ctx_attribs[8];
1178
1179 if (!dri2_fill_context_attribs(dri2_ctx, dri2_dpy, ctx_attribs,
1180 &num_attribs))
1181 goto cleanup;
1182
1183 dri2_ctx->dri_context =
1184 dri2_dpy->image_driver->createContextAttribs(dri2_dpy->dri_screen,
1185 api,
1186 dri_config,
1187 shared,
1188 num_attribs / 2,
1189 ctx_attribs,
1190 & error,
1191 dri2_ctx);
1192 dri2_create_context_attribs_error(error);
1193 } else if (dri2_dpy->dri2) {
1194 if (dri2_dpy->dri2->base.version >= 3) {
1195 unsigned error;
1196 unsigned num_attribs = 8;
1197 uint32_t ctx_attribs[8];
1198
1199 if (!dri2_fill_context_attribs(dri2_ctx, dri2_dpy, ctx_attribs,
1200 &num_attribs))
1201 goto cleanup;
1202
1203 dri2_ctx->dri_context =
1204 dri2_dpy->dri2->createContextAttribs(dri2_dpy->dri_screen,
1205 api,
1206 dri_config,
1207 shared,
1208 num_attribs / 2,
1209 ctx_attribs,
1210 & error,
1211 dri2_ctx);
1212 dri2_create_context_attribs_error(error);
1213 } else {
1214 dri2_ctx->dri_context =
1215 dri2_dpy->dri2->createNewContextForAPI(dri2_dpy->dri_screen,
1216 api,
1217 dri_config,
1218 shared,
1219 dri2_ctx);
1220 }
1221 } else {
1222 assert(dri2_dpy->swrast);
1223 if (dri2_dpy->swrast->base.version >= 3) {
1224 unsigned error;
1225 unsigned num_attribs = 8;
1226 uint32_t ctx_attribs[8];
1227
1228 if (!dri2_fill_context_attribs(dri2_ctx, dri2_dpy, ctx_attribs,
1229 &num_attribs))
1230 goto cleanup;
1231
1232 dri2_ctx->dri_context =
1233 dri2_dpy->swrast->createContextAttribs(dri2_dpy->dri_screen,
1234 api,
1235 dri_config,
1236 shared,
1237 num_attribs / 2,
1238 ctx_attribs,
1239 & error,
1240 dri2_ctx);
1241 dri2_create_context_attribs_error(error);
1242 } else {
1243 dri2_ctx->dri_context =
1244 dri2_dpy->swrast->createNewContextForAPI(dri2_dpy->dri_screen,
1245 api,
1246 dri_config,
1247 shared,
1248 dri2_ctx);
1249 }
1250 }
1251
1252 if (!dri2_ctx->dri_context)
1253 goto cleanup;
1254
1255 return &dri2_ctx->base;
1256
1257 cleanup:
1258 free(dri2_ctx);
1259 return NULL;
1260 }
1261
1262 /**
1263 * Called via eglDestroyContext(), drv->API.DestroyContext().
1264 */
1265 static EGLBoolean
1266 dri2_destroy_context(_EGLDriver *drv, _EGLDisplay *disp, _EGLContext *ctx)
1267 {
1268 struct dri2_egl_context *dri2_ctx = dri2_egl_context(ctx);
1269 struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
1270
1271 if (_eglPutContext(ctx)) {
1272 dri2_dpy->core->destroyContext(dri2_ctx->dri_context);
1273 free(dri2_ctx);
1274 }
1275
1276 return EGL_TRUE;
1277 }
1278
1279 static EGLBoolean
1280 dri2_destroy_surface(_EGLDriver *drv, _EGLDisplay *dpy, _EGLSurface *surf)
1281 {
1282 struct dri2_egl_display *dri2_dpy = dri2_egl_display(dpy);
1283
1284 if (!_eglPutSurface(surf))
1285 return EGL_TRUE;
1286
1287 return dri2_dpy->vtbl->destroy_surface(drv, dpy, surf);
1288 }
1289
1290 /**
1291 * Called via eglMakeCurrent(), drv->API.MakeCurrent().
1292 */
1293 static EGLBoolean
1294 dri2_make_current(_EGLDriver *drv, _EGLDisplay *disp, _EGLSurface *dsurf,
1295 _EGLSurface *rsurf, _EGLContext *ctx)
1296 {
1297 struct dri2_egl_driver *dri2_drv = dri2_egl_driver(drv);
1298 struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
1299 struct dri2_egl_context *dri2_ctx = dri2_egl_context(ctx);
1300 _EGLContext *old_ctx;
1301 _EGLSurface *old_dsurf, *old_rsurf;
1302 _EGLSurface *tmp_dsurf, *tmp_rsurf;
1303 __DRIdrawable *ddraw, *rdraw;
1304 __DRIcontext *cctx;
1305 EGLBoolean unbind;
1306
1307 if (!dri2_dpy)
1308 return _eglError(EGL_NOT_INITIALIZED, "eglMakeCurrent");
1309
1310 /* make new bindings */
1311 if (!_eglBindContext(ctx, dsurf, rsurf, &old_ctx, &old_dsurf, &old_rsurf)) {
1312 /* _eglBindContext already sets the EGL error (in _eglCheckMakeCurrent) */
1313 return EGL_FALSE;
1314 }
1315
1316 /* flush before context switch */
1317 if (old_ctx)
1318 dri2_drv->glFlush();
1319
1320 ddraw = (dsurf) ? dri2_dpy->vtbl->get_dri_drawable(dsurf) : NULL;
1321 rdraw = (rsurf) ? dri2_dpy->vtbl->get_dri_drawable(rsurf) : NULL;
1322 cctx = (dri2_ctx) ? dri2_ctx->dri_context : NULL;
1323
1324 if (old_ctx) {
1325 __DRIcontext *old_cctx = dri2_egl_context(old_ctx)->dri_context;
1326 dri2_dpy->core->unbindContext(old_cctx);
1327 }
1328
1329 unbind = (cctx == NULL && ddraw == NULL && rdraw == NULL);
1330
1331 if (unbind || dri2_dpy->core->bindContext(cctx, ddraw, rdraw)) {
1332 dri2_destroy_surface(drv, disp, old_dsurf);
1333 dri2_destroy_surface(drv, disp, old_rsurf);
1334
1335 if (!unbind)
1336 dri2_dpy->ref_count++;
1337 if (old_ctx) {
1338 EGLDisplay old_disp = _eglGetDisplayHandle(old_ctx->Resource.Display);
1339 dri2_destroy_context(drv, disp, old_ctx);
1340 dri2_display_release(old_disp);
1341 }
1342
1343 return EGL_TRUE;
1344 } else {
1345 /* undo the previous _eglBindContext */
1346 _eglBindContext(old_ctx, old_dsurf, old_rsurf, &ctx, &tmp_dsurf, &tmp_rsurf);
1347 assert(&dri2_ctx->base == ctx &&
1348 tmp_dsurf == dsurf &&
1349 tmp_rsurf == rsurf);
1350
1351 _eglPutSurface(dsurf);
1352 _eglPutSurface(rsurf);
1353 _eglPutContext(ctx);
1354
1355 _eglPutSurface(old_dsurf);
1356 _eglPutSurface(old_rsurf);
1357 _eglPutContext(old_ctx);
1358
1359 /* dri2_dpy->core->bindContext failed. We cannot tell for sure why, but
1360 * setting the error to EGL_BAD_MATCH is surely better than leaving it
1361 * as EGL_SUCCESS.
1362 */
1363 return _eglError(EGL_BAD_MATCH, "eglMakeCurrent");
1364 }
1365 }
1366
1367 __DRIdrawable *
1368 dri2_surface_get_dri_drawable(_EGLSurface *surf)
1369 {
1370 struct dri2_egl_surface *dri2_surf = dri2_egl_surface(surf);
1371
1372 return dri2_surf->dri_drawable;
1373 }
1374
1375 /*
1376 * Called from eglGetProcAddress() via drv->API.GetProcAddress().
1377 */
1378 static _EGLProc
1379 dri2_get_proc_address(_EGLDriver *drv, const char *procname)
1380 {
1381 struct dri2_egl_driver *dri2_drv = dri2_egl_driver(drv);
1382
1383 return dri2_drv->get_proc_address(procname);
1384 }
1385
1386 static _EGLSurface*
1387 dri2_create_window_surface(_EGLDriver *drv, _EGLDisplay *dpy,
1388 _EGLConfig *conf, void *native_window,
1389 const EGLint *attrib_list)
1390 {
1391 struct dri2_egl_display *dri2_dpy = dri2_egl_display(dpy);
1392 return dri2_dpy->vtbl->create_window_surface(drv, dpy, conf, native_window,
1393 attrib_list);
1394 }
1395
1396 static _EGLSurface*
1397 dri2_create_pixmap_surface(_EGLDriver *drv, _EGLDisplay *dpy,
1398 _EGLConfig *conf, void *native_pixmap,
1399 const EGLint *attrib_list)
1400 {
1401 struct dri2_egl_display *dri2_dpy = dri2_egl_display(dpy);
1402 return dri2_dpy->vtbl->create_pixmap_surface(drv, dpy, conf, native_pixmap,
1403 attrib_list);
1404 }
1405
1406 static _EGLSurface*
1407 dri2_create_pbuffer_surface(_EGLDriver *drv, _EGLDisplay *dpy,
1408 _EGLConfig *conf, const EGLint *attrib_list)
1409 {
1410 struct dri2_egl_display *dri2_dpy = dri2_egl_display(dpy);
1411 return dri2_dpy->vtbl->create_pbuffer_surface(drv, dpy, conf, attrib_list);
1412 }
1413
1414 static EGLBoolean
1415 dri2_swap_interval(_EGLDriver *drv, _EGLDisplay *dpy, _EGLSurface *surf,
1416 EGLint interval)
1417 {
1418 struct dri2_egl_display *dri2_dpy = dri2_egl_display(dpy);
1419 return dri2_dpy->vtbl->swap_interval(drv, dpy, surf, interval);
1420 }
1421
1422 /**
1423 * Asks the client API to flush any rendering to the drawable so that we can
1424 * do our swapbuffers.
1425 */
1426 void
1427 dri2_flush_drawable_for_swapbuffers(_EGLDisplay *disp, _EGLSurface *draw)
1428 {
1429 struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
1430 __DRIdrawable *dri_drawable = dri2_dpy->vtbl->get_dri_drawable(draw);
1431
1432 if (dri2_dpy->flush) {
1433 if (dri2_dpy->flush->base.version >= 4) {
1434 /* We know there's a current context because:
1435 *
1436 * "If surface is not bound to the calling thread’s current
1437 * context, an EGL_BAD_SURFACE error is generated."
1438 */
1439 _EGLContext *ctx = _eglGetCurrentContext();
1440 struct dri2_egl_context *dri2_ctx = dri2_egl_context(ctx);
1441
1442 /* From the EGL 1.4 spec (page 52):
1443 *
1444 * "The contents of ancillary buffers are always undefined
1445 * after calling eglSwapBuffers."
1446 */
1447 dri2_dpy->flush->flush_with_flags(dri2_ctx->dri_context,
1448 dri_drawable,
1449 __DRI2_FLUSH_DRAWABLE |
1450 __DRI2_FLUSH_INVALIDATE_ANCILLARY,
1451 __DRI2_THROTTLE_SWAPBUFFER);
1452 } else {
1453 dri2_dpy->flush->flush(dri_drawable);
1454 }
1455 }
1456 }
1457
1458 static EGLBoolean
1459 dri2_swap_buffers(_EGLDriver *drv, _EGLDisplay *dpy, _EGLSurface *surf)
1460 {
1461 struct dri2_egl_display *dri2_dpy = dri2_egl_display(dpy);
1462 return dri2_dpy->vtbl->swap_buffers(drv, dpy, surf);
1463 }
1464
1465 static EGLBoolean
1466 dri2_swap_buffers_with_damage(_EGLDriver *drv, _EGLDisplay *dpy,
1467 _EGLSurface *surf,
1468 const EGLint *rects, EGLint n_rects)
1469 {
1470 struct dri2_egl_display *dri2_dpy = dri2_egl_display(dpy);
1471 return dri2_dpy->vtbl->swap_buffers_with_damage(drv, dpy, surf,
1472 rects, n_rects);
1473 }
1474
1475 static EGLBoolean
1476 dri2_swap_buffers_region(_EGLDriver *drv, _EGLDisplay *dpy, _EGLSurface *surf,
1477 EGLint numRects, const EGLint *rects)
1478 {
1479 struct dri2_egl_display *dri2_dpy = dri2_egl_display(dpy);
1480 return dri2_dpy->vtbl->swap_buffers_region(drv, dpy, surf, numRects, rects);
1481 }
1482
1483 static EGLBoolean
1484 dri2_post_sub_buffer(_EGLDriver *drv, _EGLDisplay *dpy, _EGLSurface *surf,
1485 EGLint x, EGLint y, EGLint width, EGLint height)
1486 {
1487 struct dri2_egl_display *dri2_dpy = dri2_egl_display(dpy);
1488 return dri2_dpy->vtbl->post_sub_buffer(drv, dpy, surf, x, y, width, height);
1489 }
1490
1491 static EGLBoolean
1492 dri2_copy_buffers(_EGLDriver *drv, _EGLDisplay *dpy, _EGLSurface *surf,
1493 void *native_pixmap_target)
1494 {
1495 struct dri2_egl_display *dri2_dpy = dri2_egl_display(dpy);
1496 return dri2_dpy->vtbl->copy_buffers(drv, dpy, surf, native_pixmap_target);
1497 }
1498
1499 static EGLint
1500 dri2_query_buffer_age(_EGLDriver *drv, _EGLDisplay *dpy, _EGLSurface *surf)
1501 {
1502 struct dri2_egl_display *dri2_dpy = dri2_egl_display(dpy);
1503 return dri2_dpy->vtbl->query_buffer_age(drv, dpy, surf);
1504 }
1505
1506 static EGLBoolean
1507 dri2_wait_client(_EGLDriver *drv, _EGLDisplay *disp, _EGLContext *ctx)
1508 {
1509 struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
1510 _EGLSurface *surf = ctx->DrawSurface;
1511 __DRIdrawable *dri_drawable = dri2_dpy->vtbl->get_dri_drawable(surf);
1512
1513 (void) drv;
1514
1515 /* FIXME: If EGL allows frontbuffer rendering for window surfaces,
1516 * we need to copy fake to real here.*/
1517
1518 if (dri2_dpy->flush != NULL)
1519 dri2_dpy->flush->flush(dri_drawable);
1520
1521 return EGL_TRUE;
1522 }
1523
1524 static EGLBoolean
1525 dri2_wait_native(_EGLDriver *drv, _EGLDisplay *disp, EGLint engine)
1526 {
1527 (void) drv;
1528 (void) disp;
1529
1530 if (engine != EGL_CORE_NATIVE_ENGINE)
1531 return _eglError(EGL_BAD_PARAMETER, "eglWaitNative");
1532 /* glXWaitX(); */
1533
1534 return EGL_TRUE;
1535 }
1536
1537 static EGLBoolean
1538 dri2_bind_tex_image(_EGLDriver *drv,
1539 _EGLDisplay *disp, _EGLSurface *surf, EGLint buffer)
1540 {
1541 struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
1542 struct dri2_egl_context *dri2_ctx;
1543 _EGLContext *ctx;
1544 GLint format, target;
1545 __DRIdrawable *dri_drawable = dri2_dpy->vtbl->get_dri_drawable(surf);
1546
1547 ctx = _eglGetCurrentContext();
1548 dri2_ctx = dri2_egl_context(ctx);
1549
1550 if (!_eglBindTexImage(drv, disp, surf, buffer))
1551 return EGL_FALSE;
1552
1553 switch (surf->TextureFormat) {
1554 case EGL_TEXTURE_RGB:
1555 format = __DRI_TEXTURE_FORMAT_RGB;
1556 break;
1557 case EGL_TEXTURE_RGBA:
1558 format = __DRI_TEXTURE_FORMAT_RGBA;
1559 break;
1560 default:
1561 assert(!"Unexpected texture format in dri2_bind_tex_image()");
1562 format = __DRI_TEXTURE_FORMAT_RGBA;
1563 }
1564
1565 switch (surf->TextureTarget) {
1566 case EGL_TEXTURE_2D:
1567 target = GL_TEXTURE_2D;
1568 break;
1569 default:
1570 target = GL_TEXTURE_2D;
1571 assert(!"Unexpected texture target in dri2_bind_tex_image()");
1572 }
1573
1574 dri2_dpy->tex_buffer->setTexBuffer2(dri2_ctx->dri_context,
1575 target, format,
1576 dri_drawable);
1577
1578 return EGL_TRUE;
1579 }
1580
1581 static EGLBoolean
1582 dri2_release_tex_image(_EGLDriver *drv,
1583 _EGLDisplay *disp, _EGLSurface *surf, EGLint buffer)
1584 {
1585 struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
1586 struct dri2_egl_context *dri2_ctx;
1587 _EGLContext *ctx;
1588 GLint target;
1589 __DRIdrawable *dri_drawable = dri2_dpy->vtbl->get_dri_drawable(surf);
1590
1591 ctx = _eglGetCurrentContext();
1592 dri2_ctx = dri2_egl_context(ctx);
1593
1594 if (!_eglReleaseTexImage(drv, disp, surf, buffer))
1595 return EGL_FALSE;
1596
1597 switch (surf->TextureTarget) {
1598 case EGL_TEXTURE_2D:
1599 target = GL_TEXTURE_2D;
1600 break;
1601 default:
1602 assert(0);
1603 }
1604
1605 if (dri2_dpy->tex_buffer->base.version >= 3 &&
1606 dri2_dpy->tex_buffer->releaseTexBuffer != NULL) {
1607 dri2_dpy->tex_buffer->releaseTexBuffer(dri2_ctx->dri_context,
1608 target, dri_drawable);
1609 }
1610
1611 return EGL_TRUE;
1612 }
1613
1614 static _EGLImage*
1615 dri2_create_image(_EGLDriver *drv, _EGLDisplay *dpy, _EGLContext *ctx,
1616 EGLenum target, EGLClientBuffer buffer,
1617 const EGLint *attr_list)
1618 {
1619 struct dri2_egl_display *dri2_dpy = dri2_egl_display(dpy);
1620 return dri2_dpy->vtbl->create_image(drv, dpy, ctx, target, buffer,
1621 attr_list);
1622 }
1623
1624 static _EGLImage *
1625 dri2_create_image_from_dri(_EGLDisplay *disp, __DRIimage *dri_image)
1626 {
1627 struct dri2_egl_image *dri2_img;
1628
1629 if (dri_image == NULL) {
1630 _eglError(EGL_BAD_ALLOC, "dri2_create_image");
1631 return NULL;
1632 }
1633
1634 dri2_img = malloc(sizeof *dri2_img);
1635 if (!dri2_img) {
1636 _eglError(EGL_BAD_ALLOC, "dri2_create_image");
1637 return NULL;
1638 }
1639
1640 if (!_eglInitImage(&dri2_img->base, disp)) {
1641 free(dri2_img);
1642 return NULL;
1643 }
1644
1645 dri2_img->dri_image = dri_image;
1646
1647 return &dri2_img->base;
1648 }
1649
1650 static _EGLImage *
1651 dri2_create_image_khr_renderbuffer(_EGLDisplay *disp, _EGLContext *ctx,
1652 EGLClientBuffer buffer,
1653 const EGLint *attr_list)
1654 {
1655 struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
1656 struct dri2_egl_context *dri2_ctx = dri2_egl_context(ctx);
1657 GLuint renderbuffer = (GLuint) (uintptr_t) buffer;
1658 __DRIimage *dri_image;
1659
1660 if (renderbuffer == 0) {
1661 _eglError(EGL_BAD_PARAMETER, "dri2_create_image_khr");
1662 return EGL_NO_IMAGE_KHR;
1663 }
1664
1665 dri_image =
1666 dri2_dpy->image->createImageFromRenderbuffer(dri2_ctx->dri_context,
1667 renderbuffer, NULL);
1668
1669 return dri2_create_image_from_dri(disp, dri_image);
1670 }
1671
1672 #ifdef HAVE_WAYLAND_PLATFORM
1673
1674 /* This structure describes how a wl_buffer maps to one or more
1675 * __DRIimages. A wl_drm_buffer stores the wl_drm format code and the
1676 * offsets and strides of the planes in the buffer. This table maps a
1677 * wl_drm format code to a description of the planes in the buffer
1678 * that lets us create a __DRIimage for each of the planes. */
1679
1680 static const struct wl_drm_components_descriptor {
1681 uint32_t dri_components;
1682 EGLint components;
1683 int nplanes;
1684 } wl_drm_components[] = {
1685 { __DRI_IMAGE_COMPONENTS_RGB, EGL_TEXTURE_RGB, 1 },
1686 { __DRI_IMAGE_COMPONENTS_RGBA, EGL_TEXTURE_RGBA, 1 },
1687 { __DRI_IMAGE_COMPONENTS_Y_U_V, EGL_TEXTURE_Y_U_V_WL, 3 },
1688 { __DRI_IMAGE_COMPONENTS_Y_UV, EGL_TEXTURE_Y_UV_WL, 2 },
1689 { __DRI_IMAGE_COMPONENTS_Y_XUXV, EGL_TEXTURE_Y_XUXV_WL, 2 },
1690 };
1691
1692 static _EGLImage *
1693 dri2_create_image_wayland_wl_buffer(_EGLDisplay *disp, _EGLContext *ctx,
1694 EGLClientBuffer _buffer,
1695 const EGLint *attr_list)
1696 {
1697 struct wl_drm_buffer *buffer;
1698 struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
1699 const struct wl_drm_components_descriptor *f;
1700 __DRIimage *dri_image;
1701 _EGLImageAttribs attrs;
1702 EGLint err;
1703 int32_t plane;
1704
1705 buffer = wayland_drm_buffer_get(dri2_dpy->wl_server_drm,
1706 (struct wl_resource *) _buffer);
1707 if (!buffer)
1708 return NULL;
1709
1710 err = _eglParseImageAttribList(&attrs, disp, attr_list);
1711 plane = attrs.PlaneWL;
1712 if (err != EGL_SUCCESS) {
1713 _eglError(EGL_BAD_PARAMETER, "dri2_create_image_wayland_wl_buffer");
1714 return NULL;
1715 }
1716
1717 f = buffer->driver_format;
1718 if (plane < 0 || plane >= f->nplanes) {
1719 _eglError(EGL_BAD_PARAMETER,
1720 "dri2_create_image_wayland_wl_buffer (plane out of bounds)");
1721 return NULL;
1722 }
1723
1724 dri_image = dri2_dpy->image->fromPlanar(buffer->driver_buffer, plane, NULL);
1725
1726 if (dri_image == NULL) {
1727 _eglError(EGL_BAD_PARAMETER, "dri2_create_image_wayland_wl_buffer");
1728 return NULL;
1729 }
1730
1731 return dri2_create_image_from_dri(disp, dri_image);
1732 }
1733 #endif
1734
1735 static EGLBoolean
1736 dri2_get_sync_values_chromium(_EGLDisplay *dpy, _EGLSurface *surf,
1737 EGLuint64KHR *ust, EGLuint64KHR *msc,
1738 EGLuint64KHR *sbc)
1739 {
1740 struct dri2_egl_display *dri2_dpy = dri2_egl_display(dpy);
1741 return dri2_dpy->vtbl->get_sync_values(dpy, surf, ust, msc, sbc);
1742 }
1743
1744 /**
1745 * Set the error code after a call to
1746 * dri2_egl_image::dri_image::createImageFromTexture.
1747 */
1748 static void
1749 dri2_create_image_khr_texture_error(int dri_error)
1750 {
1751 EGLint egl_error;
1752
1753 switch (dri_error) {
1754 case __DRI_IMAGE_ERROR_SUCCESS:
1755 return;
1756
1757 case __DRI_IMAGE_ERROR_BAD_ALLOC:
1758 egl_error = EGL_BAD_ALLOC;
1759 break;
1760
1761 case __DRI_IMAGE_ERROR_BAD_MATCH:
1762 egl_error = EGL_BAD_MATCH;
1763 break;
1764
1765 case __DRI_IMAGE_ERROR_BAD_PARAMETER:
1766 egl_error = EGL_BAD_PARAMETER;
1767 break;
1768
1769 case __DRI_IMAGE_ERROR_BAD_ACCESS:
1770 egl_error = EGL_BAD_ACCESS;
1771 break;
1772
1773 default:
1774 assert(0);
1775 egl_error = EGL_BAD_MATCH;
1776 break;
1777 }
1778
1779 _eglError(egl_error, "dri2_create_image_khr_texture");
1780 }
1781
1782 static _EGLImage *
1783 dri2_create_image_khr_texture(_EGLDisplay *disp, _EGLContext *ctx,
1784 EGLenum target,
1785 EGLClientBuffer buffer,
1786 const EGLint *attr_list)
1787 {
1788 struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
1789 struct dri2_egl_context *dri2_ctx = dri2_egl_context(ctx);
1790 struct dri2_egl_image *dri2_img;
1791 GLuint texture = (GLuint) (uintptr_t) buffer;
1792 _EGLImageAttribs attrs;
1793 GLuint depth;
1794 GLenum gl_target;
1795 unsigned error;
1796
1797 if (texture == 0) {
1798 _eglError(EGL_BAD_PARAMETER, "dri2_create_image_khr");
1799 return EGL_NO_IMAGE_KHR;
1800 }
1801
1802 if (_eglParseImageAttribList(&attrs, disp, attr_list) != EGL_SUCCESS)
1803 return EGL_NO_IMAGE_KHR;
1804
1805 switch (target) {
1806 case EGL_GL_TEXTURE_2D_KHR:
1807 depth = 0;
1808 gl_target = GL_TEXTURE_2D;
1809 break;
1810 case EGL_GL_TEXTURE_3D_KHR:
1811 if (disp->Extensions.KHR_gl_texture_3D_image) {
1812 depth = attrs.GLTextureZOffset;
1813 gl_target = GL_TEXTURE_3D;
1814 break;
1815 }
1816 else {
1817 _eglError(EGL_BAD_PARAMETER, "dri2_create_image_khr");
1818 return EGL_NO_IMAGE_KHR;
1819 }
1820 case EGL_GL_TEXTURE_CUBE_MAP_POSITIVE_X_KHR:
1821 case EGL_GL_TEXTURE_CUBE_MAP_NEGATIVE_X_KHR:
1822 case EGL_GL_TEXTURE_CUBE_MAP_POSITIVE_Y_KHR:
1823 case EGL_GL_TEXTURE_CUBE_MAP_NEGATIVE_Y_KHR:
1824 case EGL_GL_TEXTURE_CUBE_MAP_POSITIVE_Z_KHR:
1825 case EGL_GL_TEXTURE_CUBE_MAP_NEGATIVE_Z_KHR:
1826 depth = target - EGL_GL_TEXTURE_CUBE_MAP_POSITIVE_X_KHR;
1827 gl_target = GL_TEXTURE_CUBE_MAP;
1828 break;
1829 default:
1830 _eglError(EGL_BAD_PARAMETER, "dri2_create_image_khr");
1831 return EGL_NO_IMAGE_KHR;
1832 }
1833
1834 dri2_img = malloc(sizeof *dri2_img);
1835 if (!dri2_img) {
1836 _eglError(EGL_BAD_ALLOC, "dri2_create_image_khr");
1837 return EGL_NO_IMAGE_KHR;
1838 }
1839
1840 if (!_eglInitImage(&dri2_img->base, disp)) {
1841 _eglError(EGL_BAD_ALLOC, "dri2_create_image_khr");
1842 free(dri2_img);
1843 return EGL_NO_IMAGE_KHR;
1844 }
1845
1846 dri2_img->dri_image =
1847 dri2_dpy->image->createImageFromTexture(dri2_ctx->dri_context,
1848 gl_target,
1849 texture,
1850 depth,
1851 attrs.GLTextureLevel,
1852 &error,
1853 dri2_img);
1854 dri2_create_image_khr_texture_error(error);
1855
1856 if (!dri2_img->dri_image) {
1857 free(dri2_img);
1858 return EGL_NO_IMAGE_KHR;
1859 }
1860 return &dri2_img->base;
1861 }
1862
1863 static EGLBoolean
1864 dri2_query_surface(_EGLDriver *drv, _EGLDisplay *dpy, _EGLSurface *surf,
1865 EGLint attribute, EGLint *value)
1866 {
1867 struct dri2_egl_display *dri2_dpy = dri2_egl_display(dpy);
1868 if (!dri2_dpy->vtbl->query_surface)
1869 return _eglQuerySurface(drv, dpy, surf, attribute, value);
1870 return dri2_dpy->vtbl->query_surface(drv, dpy, surf, attribute, value);
1871 }
1872
1873 static struct wl_buffer*
1874 dri2_create_wayland_buffer_from_image(_EGLDriver *drv, _EGLDisplay *dpy,
1875 _EGLImage *img)
1876 {
1877 struct dri2_egl_display *dri2_dpy = dri2_egl_display(dpy);
1878 return dri2_dpy->vtbl->create_wayland_buffer_from_image(drv, dpy, img);
1879 }
1880
1881 #ifdef HAVE_LIBDRM
1882 static _EGLImage *
1883 dri2_create_image_mesa_drm_buffer(_EGLDisplay *disp, _EGLContext *ctx,
1884 EGLClientBuffer buffer, const EGLint *attr_list)
1885 {
1886 struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
1887 EGLint format, name, pitch, err;
1888 _EGLImageAttribs attrs;
1889 __DRIimage *dri_image;
1890
1891 name = (EGLint) (uintptr_t) buffer;
1892
1893 err = _eglParseImageAttribList(&attrs, disp, attr_list);
1894 if (err != EGL_SUCCESS)
1895 return NULL;
1896
1897 if (attrs.Width <= 0 || attrs.Height <= 0 ||
1898 attrs.DRMBufferStrideMESA <= 0) {
1899 _eglError(EGL_BAD_PARAMETER,
1900 "bad width, height or stride");
1901 return NULL;
1902 }
1903
1904 switch (attrs.DRMBufferFormatMESA) {
1905 case EGL_DRM_BUFFER_FORMAT_ARGB32_MESA:
1906 format = __DRI_IMAGE_FORMAT_ARGB8888;
1907 pitch = attrs.DRMBufferStrideMESA;
1908 break;
1909 default:
1910 _eglError(EGL_BAD_PARAMETER,
1911 "dri2_create_image_khr: unsupported pixmap depth");
1912 return NULL;
1913 }
1914
1915 dri_image =
1916 dri2_dpy->image->createImageFromName(dri2_dpy->dri_screen,
1917 attrs.Width,
1918 attrs.Height,
1919 format,
1920 name,
1921 pitch,
1922 NULL);
1923
1924 return dri2_create_image_from_dri(disp, dri_image);
1925 }
1926
1927 static EGLBoolean
1928 dri2_check_dma_buf_attribs(const _EGLImageAttribs *attrs)
1929 {
1930 unsigned i;
1931
1932 /**
1933 * The spec says:
1934 *
1935 * "Required attributes and their values are as follows:
1936 *
1937 * * EGL_WIDTH & EGL_HEIGHT: The logical dimensions of the buffer in pixels
1938 *
1939 * * EGL_LINUX_DRM_FOURCC_EXT: The pixel format of the buffer, as specified
1940 * by drm_fourcc.h and used as the pixel_format parameter of the
1941 * drm_mode_fb_cmd2 ioctl."
1942 *
1943 * and
1944 *
1945 * "* If <target> is EGL_LINUX_DMA_BUF_EXT, and the list of attributes is
1946 * incomplete, EGL_BAD_PARAMETER is generated."
1947 */
1948 if (attrs->Width <= 0 || attrs->Height <= 0 ||
1949 !attrs->DMABufFourCC.IsPresent) {
1950 _eglError(EGL_BAD_PARAMETER, "attribute(s) missing");
1951 return EGL_FALSE;
1952 }
1953
1954 /**
1955 * Also:
1956 *
1957 * "If <target> is EGL_LINUX_DMA_BUF_EXT and one or more of the values
1958 * specified for a plane's pitch or offset isn't supported by EGL,
1959 * EGL_BAD_ACCESS is generated."
1960 */
1961 for (i = 0; i < ARRAY_SIZE(attrs->DMABufPlanePitches); ++i) {
1962 if (attrs->DMABufPlanePitches[i].IsPresent &&
1963 attrs->DMABufPlanePitches[i].Value <= 0) {
1964 _eglError(EGL_BAD_ACCESS, "invalid pitch");
1965 return EGL_FALSE;
1966 }
1967 }
1968
1969 return EGL_TRUE;
1970 }
1971
1972 /* Returns the total number of file descriptors. Zero indicates an error. */
1973 static unsigned
1974 dri2_check_dma_buf_format(const _EGLImageAttribs *attrs)
1975 {
1976 unsigned i, plane_n;
1977
1978 switch (attrs->DMABufFourCC.Value) {
1979 case DRM_FORMAT_R8:
1980 case DRM_FORMAT_RG88:
1981 case DRM_FORMAT_GR88:
1982 case DRM_FORMAT_R16:
1983 case DRM_FORMAT_GR1616:
1984 case DRM_FORMAT_RGB332:
1985 case DRM_FORMAT_BGR233:
1986 case DRM_FORMAT_XRGB4444:
1987 case DRM_FORMAT_XBGR4444:
1988 case DRM_FORMAT_RGBX4444:
1989 case DRM_FORMAT_BGRX4444:
1990 case DRM_FORMAT_ARGB4444:
1991 case DRM_FORMAT_ABGR4444:
1992 case DRM_FORMAT_RGBA4444:
1993 case DRM_FORMAT_BGRA4444:
1994 case DRM_FORMAT_XRGB1555:
1995 case DRM_FORMAT_XBGR1555:
1996 case DRM_FORMAT_RGBX5551:
1997 case DRM_FORMAT_BGRX5551:
1998 case DRM_FORMAT_ARGB1555:
1999 case DRM_FORMAT_ABGR1555:
2000 case DRM_FORMAT_RGBA5551:
2001 case DRM_FORMAT_BGRA5551:
2002 case DRM_FORMAT_RGB565:
2003 case DRM_FORMAT_BGR565:
2004 case DRM_FORMAT_RGB888:
2005 case DRM_FORMAT_BGR888:
2006 case DRM_FORMAT_XRGB8888:
2007 case DRM_FORMAT_XBGR8888:
2008 case DRM_FORMAT_RGBX8888:
2009 case DRM_FORMAT_BGRX8888:
2010 case DRM_FORMAT_ARGB8888:
2011 case DRM_FORMAT_ABGR8888:
2012 case DRM_FORMAT_RGBA8888:
2013 case DRM_FORMAT_BGRA8888:
2014 case DRM_FORMAT_XRGB2101010:
2015 case DRM_FORMAT_XBGR2101010:
2016 case DRM_FORMAT_RGBX1010102:
2017 case DRM_FORMAT_BGRX1010102:
2018 case DRM_FORMAT_ARGB2101010:
2019 case DRM_FORMAT_ABGR2101010:
2020 case DRM_FORMAT_RGBA1010102:
2021 case DRM_FORMAT_BGRA1010102:
2022 case DRM_FORMAT_YUYV:
2023 case DRM_FORMAT_YVYU:
2024 case DRM_FORMAT_UYVY:
2025 case DRM_FORMAT_VYUY:
2026 plane_n = 1;
2027 break;
2028 case DRM_FORMAT_NV12:
2029 case DRM_FORMAT_NV21:
2030 case DRM_FORMAT_NV16:
2031 case DRM_FORMAT_NV61:
2032 plane_n = 2;
2033 break;
2034 case DRM_FORMAT_YUV410:
2035 case DRM_FORMAT_YVU410:
2036 case DRM_FORMAT_YUV411:
2037 case DRM_FORMAT_YVU411:
2038 case DRM_FORMAT_YUV420:
2039 case DRM_FORMAT_YVU420:
2040 case DRM_FORMAT_YUV422:
2041 case DRM_FORMAT_YVU422:
2042 case DRM_FORMAT_YUV444:
2043 case DRM_FORMAT_YVU444:
2044 plane_n = 3;
2045 break;
2046 default:
2047 _eglError(EGL_BAD_ATTRIBUTE, "invalid format");
2048 return 0;
2049 }
2050
2051 /**
2052 * The spec says:
2053 *
2054 * "* If <target> is EGL_LINUX_DMA_BUF_EXT, and the list of attributes is
2055 * incomplete, EGL_BAD_PARAMETER is generated."
2056 */
2057 for (i = 0; i < plane_n; ++i) {
2058 if (!attrs->DMABufPlaneFds[i].IsPresent ||
2059 !attrs->DMABufPlaneOffsets[i].IsPresent ||
2060 !attrs->DMABufPlanePitches[i].IsPresent) {
2061 _eglError(EGL_BAD_PARAMETER, "plane attribute(s) missing");
2062 return 0;
2063 }
2064 }
2065
2066 /**
2067 * The spec also says:
2068 *
2069 * "If <target> is EGL_LINUX_DMA_BUF_EXT, and the EGL_LINUX_DRM_FOURCC_EXT
2070 * attribute indicates a single-plane format, EGL_BAD_ATTRIBUTE is
2071 * generated if any of the EGL_DMA_BUF_PLANE1_* or EGL_DMA_BUF_PLANE2_*
2072 * attributes are specified."
2073 */
2074 for (i = plane_n; i < 3; ++i) {
2075 if (attrs->DMABufPlaneFds[i].IsPresent ||
2076 attrs->DMABufPlaneOffsets[i].IsPresent ||
2077 attrs->DMABufPlanePitches[i].IsPresent) {
2078 _eglError(EGL_BAD_ATTRIBUTE, "too many plane attributes");
2079 return 0;
2080 }
2081 }
2082
2083 return plane_n;
2084 }
2085
2086 /**
2087 * The spec says:
2088 *
2089 * "If eglCreateImageKHR is successful for a EGL_LINUX_DMA_BUF_EXT target, the
2090 * EGL will take a reference to the dma_buf(s) which it will release at any
2091 * time while the EGLDisplay is initialized. It is the responsibility of the
2092 * application to close the dma_buf file descriptors."
2093 *
2094 * Therefore we must never close or otherwise modify the file descriptors.
2095 */
2096 _EGLImage *
2097 dri2_create_image_dma_buf(_EGLDisplay *disp, _EGLContext *ctx,
2098 EGLClientBuffer buffer, const EGLint *attr_list)
2099 {
2100 struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
2101 _EGLImage *res;
2102 EGLint err;
2103 _EGLImageAttribs attrs;
2104 __DRIimage *dri_image;
2105 unsigned num_fds;
2106 unsigned i;
2107 int fds[3];
2108 int pitches[3];
2109 int offsets[3];
2110 unsigned error;
2111
2112 /**
2113 * The spec says:
2114 *
2115 * ""* If <target> is EGL_LINUX_DMA_BUF_EXT and <buffer> is not NULL, the
2116 * error EGL_BAD_PARAMETER is generated."
2117 */
2118 if (buffer != NULL) {
2119 _eglError(EGL_BAD_PARAMETER, "buffer not NULL");
2120 return NULL;
2121 }
2122
2123 err = _eglParseImageAttribList(&attrs, disp, attr_list);
2124 if (err != EGL_SUCCESS) {
2125 _eglError(err, "bad attribute");
2126 return NULL;
2127 }
2128
2129 if (!dri2_check_dma_buf_attribs(&attrs))
2130 return NULL;
2131
2132 num_fds = dri2_check_dma_buf_format(&attrs);
2133 if (!num_fds)
2134 return NULL;
2135
2136 for (i = 0; i < num_fds; ++i) {
2137 fds[i] = attrs.DMABufPlaneFds[i].Value;
2138 pitches[i] = attrs.DMABufPlanePitches[i].Value;
2139 offsets[i] = attrs.DMABufPlaneOffsets[i].Value;
2140 }
2141
2142 dri_image =
2143 dri2_dpy->image->createImageFromDmaBufs(dri2_dpy->dri_screen,
2144 attrs.Width, attrs.Height, attrs.DMABufFourCC.Value,
2145 fds, num_fds, pitches, offsets,
2146 attrs.DMABufYuvColorSpaceHint.Value,
2147 attrs.DMABufSampleRangeHint.Value,
2148 attrs.DMABufChromaHorizontalSiting.Value,
2149 attrs.DMABufChromaVerticalSiting.Value,
2150 &error,
2151 NULL);
2152 dri2_create_image_khr_texture_error(error);
2153
2154 if (!dri_image)
2155 return EGL_NO_IMAGE_KHR;
2156
2157 res = dri2_create_image_from_dri(disp, dri_image);
2158
2159 return res;
2160 }
2161 static _EGLImage *
2162 dri2_create_drm_image_mesa(_EGLDriver *drv, _EGLDisplay *disp,
2163 const EGLint *attr_list)
2164 {
2165 struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
2166 struct dri2_egl_image *dri2_img;
2167 _EGLImageAttribs attrs;
2168 unsigned int dri_use, valid_mask;
2169 int format;
2170 EGLint err = EGL_SUCCESS;
2171
2172 (void) drv;
2173
2174 dri2_img = malloc(sizeof *dri2_img);
2175 if (!dri2_img) {
2176 _eglError(EGL_BAD_ALLOC, "dri2_create_image_khr");
2177 return EGL_NO_IMAGE_KHR;
2178 }
2179
2180 if (!attr_list) {
2181 err = EGL_BAD_PARAMETER;
2182 goto cleanup_img;
2183 }
2184
2185 if (!_eglInitImage(&dri2_img->base, disp)) {
2186 err = EGL_BAD_PARAMETER;
2187 goto cleanup_img;
2188 }
2189
2190 err = _eglParseImageAttribList(&attrs, disp, attr_list);
2191 if (err != EGL_SUCCESS)
2192 goto cleanup_img;
2193
2194 if (attrs.Width <= 0 || attrs.Height <= 0) {
2195 _eglLog(_EGL_WARNING, "bad width or height (%dx%d)",
2196 attrs.Width, attrs.Height);
2197 goto cleanup_img;
2198 }
2199
2200 switch (attrs.DRMBufferFormatMESA) {
2201 case EGL_DRM_BUFFER_FORMAT_ARGB32_MESA:
2202 format = __DRI_IMAGE_FORMAT_ARGB8888;
2203 break;
2204 default:
2205 _eglLog(_EGL_WARNING, "bad image format value 0x%04x",
2206 attrs.DRMBufferFormatMESA);
2207 goto cleanup_img;
2208 }
2209
2210 valid_mask =
2211 EGL_DRM_BUFFER_USE_SCANOUT_MESA |
2212 EGL_DRM_BUFFER_USE_SHARE_MESA |
2213 EGL_DRM_BUFFER_USE_CURSOR_MESA;
2214 if (attrs.DRMBufferUseMESA & ~valid_mask) {
2215 _eglLog(_EGL_WARNING, "bad image use bit 0x%04x",
2216 attrs.DRMBufferUseMESA & ~valid_mask);
2217 goto cleanup_img;
2218 }
2219
2220 dri_use = 0;
2221 if (attrs.DRMBufferUseMESA & EGL_DRM_BUFFER_USE_SHARE_MESA)
2222 dri_use |= __DRI_IMAGE_USE_SHARE;
2223 if (attrs.DRMBufferUseMESA & EGL_DRM_BUFFER_USE_SCANOUT_MESA)
2224 dri_use |= __DRI_IMAGE_USE_SCANOUT;
2225 if (attrs.DRMBufferUseMESA & EGL_DRM_BUFFER_USE_CURSOR_MESA)
2226 dri_use |= __DRI_IMAGE_USE_CURSOR;
2227
2228 dri2_img->dri_image =
2229 dri2_dpy->image->createImage(dri2_dpy->dri_screen,
2230 attrs.Width, attrs.Height,
2231 format, dri_use, dri2_img);
2232 if (dri2_img->dri_image == NULL) {
2233 err = EGL_BAD_ALLOC;
2234 goto cleanup_img;
2235 }
2236
2237 return &dri2_img->base;
2238
2239 cleanup_img:
2240 free(dri2_img);
2241 _eglError(err, "dri2_create_drm_image_mesa");
2242
2243 return EGL_NO_IMAGE_KHR;
2244 }
2245
2246 static EGLBoolean
2247 dri2_export_drm_image_mesa(_EGLDriver *drv, _EGLDisplay *disp, _EGLImage *img,
2248 EGLint *name, EGLint *handle, EGLint *stride)
2249 {
2250 struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
2251 struct dri2_egl_image *dri2_img = dri2_egl_image(img);
2252
2253 (void) drv;
2254
2255 if (name && !dri2_dpy->image->queryImage(dri2_img->dri_image,
2256 __DRI_IMAGE_ATTRIB_NAME, name)) {
2257 _eglError(EGL_BAD_ALLOC, "dri2_export_drm_image_mesa");
2258 return EGL_FALSE;
2259 }
2260
2261 if (handle)
2262 dri2_dpy->image->queryImage(dri2_img->dri_image,
2263 __DRI_IMAGE_ATTRIB_HANDLE, handle);
2264
2265 if (stride)
2266 dri2_dpy->image->queryImage(dri2_img->dri_image,
2267 __DRI_IMAGE_ATTRIB_STRIDE, stride);
2268
2269 return EGL_TRUE;
2270 }
2271
2272 static EGLBoolean
2273 dri2_export_dma_buf_image_query_mesa(_EGLDriver *drv, _EGLDisplay *disp,
2274 _EGLImage *img,
2275 EGLint *fourcc, EGLint *nplanes,
2276 EGLuint64KHR *modifiers)
2277 {
2278 struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
2279 struct dri2_egl_image *dri2_img = dri2_egl_image(img);
2280
2281 (void) drv;
2282
2283
2284 if (nplanes)
2285 dri2_dpy->image->queryImage(dri2_img->dri_image,
2286 __DRI_IMAGE_ATTRIB_NUM_PLANES, nplanes);
2287 if (fourcc)
2288 dri2_dpy->image->queryImage(dri2_img->dri_image,
2289 __DRI_IMAGE_ATTRIB_FOURCC, fourcc);
2290
2291 if (modifiers)
2292 *modifiers = 0;
2293
2294 return EGL_TRUE;
2295 }
2296
2297 static EGLBoolean
2298 dri2_export_dma_buf_image_mesa(_EGLDriver *drv, _EGLDisplay *disp, _EGLImage *img,
2299 int *fds, EGLint *strides, EGLint *offsets)
2300 {
2301 struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
2302 struct dri2_egl_image *dri2_img = dri2_egl_image(img);
2303
2304 (void) drv;
2305
2306 /* rework later to provide multiple fds/strides/offsets */
2307 if (fds)
2308 dri2_dpy->image->queryImage(dri2_img->dri_image,
2309 __DRI_IMAGE_ATTRIB_FD, fds);
2310
2311 if (strides)
2312 dri2_dpy->image->queryImage(dri2_img->dri_image,
2313 __DRI_IMAGE_ATTRIB_STRIDE, strides);
2314
2315 if (offsets) {
2316 int img_offset;
2317 bool ret = dri2_dpy->image->queryImage(dri2_img->dri_image,
2318 __DRI_IMAGE_ATTRIB_OFFSET, &img_offset);
2319 if (ret)
2320 offsets[0] = img_offset;
2321 else
2322 offsets[0] = 0;
2323 }
2324
2325 return EGL_TRUE;
2326 }
2327
2328 #endif
2329
2330 _EGLImage *
2331 dri2_create_image_khr(_EGLDriver *drv, _EGLDisplay *disp,
2332 _EGLContext *ctx, EGLenum target,
2333 EGLClientBuffer buffer, const EGLint *attr_list)
2334 {
2335 (void) drv;
2336
2337 switch (target) {
2338 case EGL_GL_TEXTURE_2D_KHR:
2339 case EGL_GL_TEXTURE_CUBE_MAP_POSITIVE_X_KHR:
2340 case EGL_GL_TEXTURE_CUBE_MAP_NEGATIVE_X_KHR:
2341 case EGL_GL_TEXTURE_CUBE_MAP_POSITIVE_Y_KHR:
2342 case EGL_GL_TEXTURE_CUBE_MAP_NEGATIVE_Y_KHR:
2343 case EGL_GL_TEXTURE_CUBE_MAP_POSITIVE_Z_KHR:
2344 case EGL_GL_TEXTURE_CUBE_MAP_NEGATIVE_Z_KHR:
2345 return dri2_create_image_khr_texture(disp, ctx, target, buffer, attr_list);
2346 case EGL_GL_TEXTURE_3D_KHR:
2347 if (disp->Extensions.KHR_gl_texture_3D_image) {
2348 return dri2_create_image_khr_texture(disp, ctx, target, buffer, attr_list);
2349 }
2350 else {
2351 _eglError(EGL_BAD_PARAMETER, "dri2_create_image_khr");
2352 return EGL_NO_IMAGE_KHR;
2353 }
2354 case EGL_GL_RENDERBUFFER_KHR:
2355 return dri2_create_image_khr_renderbuffer(disp, ctx, buffer, attr_list);
2356 #ifdef HAVE_LIBDRM
2357 case EGL_DRM_BUFFER_MESA:
2358 return dri2_create_image_mesa_drm_buffer(disp, ctx, buffer, attr_list);
2359 case EGL_LINUX_DMA_BUF_EXT:
2360 return dri2_create_image_dma_buf(disp, ctx, buffer, attr_list);
2361 #endif
2362 #ifdef HAVE_WAYLAND_PLATFORM
2363 case EGL_WAYLAND_BUFFER_WL:
2364 return dri2_create_image_wayland_wl_buffer(disp, ctx, buffer, attr_list);
2365 #endif
2366 default:
2367 _eglError(EGL_BAD_PARAMETER, "dri2_create_image_khr");
2368 return EGL_NO_IMAGE_KHR;
2369 }
2370 }
2371
2372 static EGLBoolean
2373 dri2_destroy_image_khr(_EGLDriver *drv, _EGLDisplay *disp, _EGLImage *image)
2374 {
2375 struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
2376 struct dri2_egl_image *dri2_img = dri2_egl_image(image);
2377
2378 (void) drv;
2379
2380 dri2_dpy->image->destroyImage(dri2_img->dri_image);
2381 free(dri2_img);
2382
2383 return EGL_TRUE;
2384 }
2385
2386 #ifdef HAVE_WAYLAND_PLATFORM
2387
2388 static void
2389 dri2_wl_reference_buffer(void *user_data, uint32_t name, int fd,
2390 struct wl_drm_buffer *buffer)
2391 {
2392 _EGLDisplay *disp = user_data;
2393 struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
2394 __DRIimage *img;
2395 int i, dri_components = 0;
2396
2397 if (fd == -1)
2398 img = dri2_dpy->image->createImageFromNames(dri2_dpy->dri_screen,
2399 buffer->width,
2400 buffer->height,
2401 buffer->format,
2402 (int*)&name, 1,
2403 buffer->stride,
2404 buffer->offset,
2405 NULL);
2406 else
2407 img = dri2_dpy->image->createImageFromFds(dri2_dpy->dri_screen,
2408 buffer->width,
2409 buffer->height,
2410 buffer->format,
2411 &fd, 1,
2412 buffer->stride,
2413 buffer->offset,
2414 NULL);
2415
2416 if (img == NULL)
2417 return;
2418
2419 dri2_dpy->image->queryImage(img, __DRI_IMAGE_ATTRIB_COMPONENTS, &dri_components);
2420
2421 buffer->driver_format = NULL;
2422 for (i = 0; i < ARRAY_SIZE(wl_drm_components); i++)
2423 if (wl_drm_components[i].dri_components == dri_components)
2424 buffer->driver_format = &wl_drm_components[i];
2425
2426 if (buffer->driver_format == NULL)
2427 dri2_dpy->image->destroyImage(img);
2428 else
2429 buffer->driver_buffer = img;
2430 }
2431
2432 static void
2433 dri2_wl_release_buffer(void *user_data, struct wl_drm_buffer *buffer)
2434 {
2435 _EGLDisplay *disp = user_data;
2436 struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
2437
2438 dri2_dpy->image->destroyImage(buffer->driver_buffer);
2439 }
2440
2441 static struct wayland_drm_callbacks wl_drm_callbacks = {
2442 .authenticate = NULL,
2443 .reference_buffer = dri2_wl_reference_buffer,
2444 .release_buffer = dri2_wl_release_buffer
2445 };
2446
2447 static EGLBoolean
2448 dri2_bind_wayland_display_wl(_EGLDriver *drv, _EGLDisplay *disp,
2449 struct wl_display *wl_dpy)
2450 {
2451 struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
2452 int flags = 0;
2453 uint64_t cap;
2454
2455 (void) drv;
2456
2457 if (dri2_dpy->wl_server_drm)
2458 return EGL_FALSE;
2459
2460 wl_drm_callbacks.authenticate =
2461 (int(*)(void *, uint32_t)) dri2_dpy->vtbl->authenticate;
2462
2463 if (drmGetCap(dri2_dpy->fd, DRM_CAP_PRIME, &cap) == 0 &&
2464 cap == (DRM_PRIME_CAP_IMPORT | DRM_PRIME_CAP_EXPORT) &&
2465 dri2_dpy->image->base.version >= 7 &&
2466 dri2_dpy->image->createImageFromFds != NULL)
2467 flags |= WAYLAND_DRM_PRIME;
2468
2469 dri2_dpy->wl_server_drm =
2470 wayland_drm_init(wl_dpy, dri2_dpy->device_name,
2471 &wl_drm_callbacks, disp, flags);
2472
2473 if (!dri2_dpy->wl_server_drm)
2474 return EGL_FALSE;
2475
2476 #ifdef HAVE_DRM_PLATFORM
2477 /* We have to share the wl_drm instance with gbm, so gbm can convert
2478 * wl_buffers to gbm bos. */
2479 if (dri2_dpy->gbm_dri)
2480 dri2_dpy->gbm_dri->wl_drm = dri2_dpy->wl_server_drm;
2481 #endif
2482
2483 return EGL_TRUE;
2484 }
2485
2486 static EGLBoolean
2487 dri2_unbind_wayland_display_wl(_EGLDriver *drv, _EGLDisplay *disp,
2488 struct wl_display *wl_dpy)
2489 {
2490 struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
2491
2492 (void) drv;
2493
2494 if (!dri2_dpy->wl_server_drm)
2495 return EGL_FALSE;
2496
2497 wayland_drm_uninit(dri2_dpy->wl_server_drm);
2498 dri2_dpy->wl_server_drm = NULL;
2499
2500 return EGL_TRUE;
2501 }
2502
2503 static EGLBoolean
2504 dri2_query_wayland_buffer_wl(_EGLDriver *drv, _EGLDisplay *disp,
2505 struct wl_resource *buffer_resource,
2506 EGLint attribute, EGLint *value)
2507 {
2508 struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
2509 struct wl_drm_buffer *buffer;
2510 const struct wl_drm_components_descriptor *format;
2511
2512 buffer = wayland_drm_buffer_get(dri2_dpy->wl_server_drm, buffer_resource);
2513 if (!buffer)
2514 return EGL_FALSE;
2515
2516 format = buffer->driver_format;
2517 switch (attribute) {
2518 case EGL_TEXTURE_FORMAT:
2519 *value = format->components;
2520 return EGL_TRUE;
2521 case EGL_WIDTH:
2522 *value = buffer->width;
2523 return EGL_TRUE;
2524 case EGL_HEIGHT:
2525 *value = buffer->height;
2526 return EGL_TRUE;
2527 }
2528
2529 return EGL_FALSE;
2530 }
2531 #endif
2532
2533 static void
2534 dri2_egl_ref_sync(struct dri2_egl_sync *sync)
2535 {
2536 p_atomic_inc(&sync->refcount);
2537 }
2538
2539 static void
2540 dri2_egl_unref_sync(struct dri2_egl_display *dri2_dpy,
2541 struct dri2_egl_sync *dri2_sync)
2542 {
2543 if (p_atomic_dec_zero(&dri2_sync->refcount)) {
2544 switch (dri2_sync->base.Type) {
2545 case EGL_SYNC_REUSABLE_KHR:
2546 cnd_destroy(&dri2_sync->cond);
2547 break;
2548 case EGL_SYNC_NATIVE_FENCE_ANDROID:
2549 if (dri2_sync->base.SyncFd != EGL_NO_NATIVE_FENCE_FD_ANDROID)
2550 close(dri2_sync->base.SyncFd);
2551 break;
2552 default:
2553 break;
2554 }
2555
2556 if (dri2_sync->fence)
2557 dri2_dpy->fence->destroy_fence(dri2_dpy->dri_screen, dri2_sync->fence);
2558
2559 free(dri2_sync);
2560 }
2561 }
2562
2563 static _EGLSync *
2564 dri2_create_sync(_EGLDriver *drv, _EGLDisplay *dpy,
2565 EGLenum type, const EGLAttrib *attrib_list)
2566 {
2567 _EGLContext *ctx = _eglGetCurrentContext();
2568 struct dri2_egl_display *dri2_dpy = dri2_egl_display(dpy);
2569 struct dri2_egl_context *dri2_ctx = dri2_egl_context(ctx);
2570 struct dri2_egl_sync *dri2_sync;
2571 EGLint ret;
2572 pthread_condattr_t attr;
2573
2574 dri2_sync = calloc(1, sizeof(struct dri2_egl_sync));
2575 if (!dri2_sync) {
2576 _eglError(EGL_BAD_ALLOC, "eglCreateSyncKHR");
2577 return NULL;
2578 }
2579
2580 if (!_eglInitSync(&dri2_sync->base, dpy, type, attrib_list)) {
2581 free(dri2_sync);
2582 return NULL;
2583 }
2584
2585 switch (type) {
2586 case EGL_SYNC_FENCE_KHR:
2587 dri2_sync->fence = dri2_dpy->fence->create_fence(dri2_ctx->dri_context);
2588 if (!dri2_sync->fence) {
2589 /* Why did it fail? DRI doesn't return an error code, so we emit
2590 * a generic EGL error that doesn't communicate user error.
2591 */
2592 _eglError(EGL_BAD_ALLOC, "eglCreateSyncKHR");
2593 free(dri2_sync);
2594 return NULL;
2595 }
2596 break;
2597
2598 case EGL_SYNC_CL_EVENT_KHR:
2599 dri2_sync->fence = dri2_dpy->fence->get_fence_from_cl_event(
2600 dri2_dpy->dri_screen,
2601 dri2_sync->base.CLEvent);
2602 /* this can only happen if the cl_event passed in is invalid. */
2603 if (!dri2_sync->fence) {
2604 _eglError(EGL_BAD_ATTRIBUTE, "eglCreateSyncKHR");
2605 free(dri2_sync);
2606 return NULL;
2607 }
2608
2609 /* the initial status must be "signaled" if the cl_event is signaled */
2610 if (dri2_dpy->fence->client_wait_sync(dri2_ctx->dri_context,
2611 dri2_sync->fence, 0, 0))
2612 dri2_sync->base.SyncStatus = EGL_SIGNALED_KHR;
2613 break;
2614
2615 case EGL_SYNC_REUSABLE_KHR:
2616 /* intialize attr */
2617 ret = pthread_condattr_init(&attr);
2618
2619 if (ret) {
2620 _eglError(EGL_BAD_ACCESS, "eglCreateSyncKHR");
2621 free(dri2_sync);
2622 return NULL;
2623 }
2624
2625 /* change clock attribute to CLOCK_MONOTONIC */
2626 ret = pthread_condattr_setclock(&attr, CLOCK_MONOTONIC);
2627
2628 if (ret) {
2629 _eglError(EGL_BAD_ACCESS, "eglCreateSyncKHR");
2630 free(dri2_sync);
2631 return NULL;
2632 }
2633
2634 ret = pthread_cond_init(&dri2_sync->cond, &attr);
2635
2636 if (ret) {
2637 _eglError(EGL_BAD_ACCESS, "eglCreateSyncKHR");
2638 free(dri2_sync);
2639 return NULL;
2640 }
2641
2642 /* initial status of reusable sync must be "unsignaled" */
2643 dri2_sync->base.SyncStatus = EGL_UNSIGNALED_KHR;
2644 break;
2645
2646 case EGL_SYNC_NATIVE_FENCE_ANDROID:
2647 if (dri2_dpy->fence->create_fence_fd) {
2648 dri2_sync->fence = dri2_dpy->fence->create_fence_fd(
2649 dri2_ctx->dri_context,
2650 dri2_sync->base.SyncFd);
2651 }
2652 if (!dri2_sync->fence) {
2653 _eglError(EGL_BAD_ATTRIBUTE, "eglCreateSyncKHR");
2654 free(dri2_sync);
2655 return NULL;
2656 }
2657 break;
2658 }
2659
2660 p_atomic_set(&dri2_sync->refcount, 1);
2661 return &dri2_sync->base;
2662 }
2663
2664 static EGLBoolean
2665 dri2_destroy_sync(_EGLDriver *drv, _EGLDisplay *dpy, _EGLSync *sync)
2666 {
2667 struct dri2_egl_display *dri2_dpy = dri2_egl_display(dpy);
2668 struct dri2_egl_sync *dri2_sync = dri2_egl_sync(sync);
2669 EGLint ret = EGL_TRUE;
2670 EGLint err;
2671
2672 /* if type of sync is EGL_SYNC_REUSABLE_KHR and it is not signaled yet,
2673 * then unlock all threads possibly blocked by the reusable sync before
2674 * destroying it.
2675 */
2676 if (dri2_sync->base.Type == EGL_SYNC_REUSABLE_KHR &&
2677 dri2_sync->base.SyncStatus == EGL_UNSIGNALED_KHR) {
2678 dri2_sync->base.SyncStatus = EGL_SIGNALED_KHR;
2679 /* unblock all threads currently blocked by sync */
2680 err = cnd_broadcast(&dri2_sync->cond);
2681
2682 if (err) {
2683 _eglError(EGL_BAD_ACCESS, "eglDestroySyncKHR");
2684 ret = EGL_FALSE;
2685 }
2686 }
2687
2688 dri2_egl_unref_sync(dri2_dpy, dri2_sync);
2689
2690 return ret;
2691 }
2692
2693 static EGLint
2694 dri2_dup_native_fence_fd(_EGLDriver *drv, _EGLDisplay *dpy, _EGLSync *sync)
2695 {
2696 struct dri2_egl_display *dri2_dpy = dri2_egl_display(dpy);
2697 struct dri2_egl_sync *dri2_sync = dri2_egl_sync(sync);
2698
2699 assert(sync->Type == EGL_SYNC_NATIVE_FENCE_ANDROID);
2700
2701 if (sync->SyncFd == EGL_NO_NATIVE_FENCE_FD_ANDROID) {
2702 /* try to retrieve the actual native fence fd.. if rendering is
2703 * not flushed this will just return -1, aka NO_NATIVE_FENCE_FD:
2704 */
2705 sync->SyncFd = dri2_dpy->fence->get_fence_fd(dri2_dpy->dri_screen,
2706 dri2_sync->fence);
2707 }
2708
2709 if (sync->SyncFd == EGL_NO_NATIVE_FENCE_FD_ANDROID) {
2710 /* if native fence fd still not created, return an error: */
2711 _eglError(EGL_BAD_PARAMETER, "eglDupNativeFenceFDANDROID");
2712 return EGL_NO_NATIVE_FENCE_FD_ANDROID;
2713 }
2714
2715 return dup(sync->SyncFd);
2716 }
2717
2718 static EGLint
2719 dri2_client_wait_sync(_EGLDriver *drv, _EGLDisplay *dpy, _EGLSync *sync,
2720 EGLint flags, EGLTime timeout)
2721 {
2722 _EGLContext *ctx = _eglGetCurrentContext();
2723 struct dri2_egl_driver *dri2_drv = dri2_egl_driver(drv);
2724 struct dri2_egl_display *dri2_dpy = dri2_egl_display(dpy);
2725 struct dri2_egl_context *dri2_ctx = dri2_egl_context(ctx);
2726 struct dri2_egl_sync *dri2_sync = dri2_egl_sync(sync);
2727 unsigned wait_flags = 0;
2728
2729 /* timespecs for cnd_timedwait */
2730 struct timespec current;
2731 xtime expire;
2732
2733 EGLint ret = EGL_CONDITION_SATISFIED_KHR;
2734
2735 /* The EGL_KHR_fence_sync spec states:
2736 *
2737 * "If no context is current for the bound API,
2738 * the EGL_SYNC_FLUSH_COMMANDS_BIT_KHR bit is ignored.
2739 */
2740 if (dri2_ctx && flags & EGL_SYNC_FLUSH_COMMANDS_BIT_KHR)
2741 wait_flags |= __DRI2_FENCE_FLAG_FLUSH_COMMANDS;
2742
2743 /* the sync object should take a reference while waiting */
2744 dri2_egl_ref_sync(dri2_sync);
2745
2746 switch (sync->Type) {
2747 case EGL_SYNC_FENCE_KHR:
2748 case EGL_SYNC_NATIVE_FENCE_ANDROID:
2749 case EGL_SYNC_CL_EVENT_KHR:
2750 if (dri2_dpy->fence->client_wait_sync(dri2_ctx ? dri2_ctx->dri_context : NULL,
2751 dri2_sync->fence, wait_flags,
2752 timeout))
2753 dri2_sync->base.SyncStatus = EGL_SIGNALED_KHR;
2754 else
2755 ret = EGL_TIMEOUT_EXPIRED_KHR;
2756 break;
2757
2758 case EGL_SYNC_REUSABLE_KHR:
2759 if (dri2_ctx && dri2_sync->base.SyncStatus == EGL_UNSIGNALED_KHR &&
2760 (flags & EGL_SYNC_FLUSH_COMMANDS_BIT_KHR)) {
2761 /* flush context if EGL_SYNC_FLUSH_COMMANDS_BIT_KHR is set */
2762 dri2_drv->glFlush();
2763 }
2764
2765 /* if timeout is EGL_FOREVER_KHR, it should wait without any timeout.*/
2766 if (timeout == EGL_FOREVER_KHR) {
2767 mtx_lock(&dri2_sync->mutex);
2768 cnd_wait(&dri2_sync->cond, &dri2_sync->mutex);
2769 mtx_unlock(&dri2_sync->mutex);
2770 } else {
2771 /* if reusable sync has not been yet signaled */
2772 if (dri2_sync->base.SyncStatus != EGL_SIGNALED_KHR) {
2773 clock_gettime(CLOCK_MONOTONIC, &current);
2774
2775 /* calculating when to expire */
2776 expire.nsec = timeout % 1000000000L;
2777 expire.sec = timeout / 1000000000L;
2778
2779 expire.nsec += current.tv_nsec;
2780 expire.sec += current.tv_sec;
2781
2782 /* expire.nsec now is a number between 0 and 1999999998 */
2783 if (expire.nsec > 999999999L) {
2784 expire.sec++;
2785 expire.nsec -= 1000000000L;
2786 }
2787
2788 mtx_lock(&dri2_sync->mutex);
2789 ret = cnd_timedwait(&dri2_sync->cond, &dri2_sync->mutex, &expire);
2790 mtx_unlock(&dri2_sync->mutex);
2791
2792 if (ret == thrd_busy) {
2793 if (dri2_sync->base.SyncStatus == EGL_UNSIGNALED_KHR) {
2794 ret = EGL_TIMEOUT_EXPIRED_KHR;
2795 } else {
2796 _eglError(EGL_BAD_ACCESS, "eglClientWaitSyncKHR");
2797 ret = EGL_FALSE;
2798 }
2799 }
2800 }
2801 }
2802 break;
2803 }
2804 dri2_egl_unref_sync(dri2_dpy, dri2_sync);
2805
2806 return ret;
2807 }
2808
2809 static EGLBoolean
2810 dri2_signal_sync(_EGLDriver *drv, _EGLDisplay *dpy, _EGLSync *sync,
2811 EGLenum mode)
2812 {
2813 struct dri2_egl_sync *dri2_sync = dri2_egl_sync(sync);
2814 EGLint ret;
2815
2816 if (sync->Type != EGL_SYNC_REUSABLE_KHR) {
2817 _eglError(EGL_BAD_MATCH, "eglSignalSyncKHR");
2818 return EGL_FALSE;
2819 }
2820
2821 if (mode != EGL_SIGNALED_KHR && mode != EGL_UNSIGNALED_KHR) {
2822 _eglError(EGL_BAD_ATTRIBUTE, "eglSignalSyncKHR");
2823 return EGL_FALSE;
2824 }
2825
2826 dri2_sync->base.SyncStatus = mode;
2827
2828 if (mode == EGL_SIGNALED_KHR) {
2829 ret = cnd_broadcast(&dri2_sync->cond);
2830
2831 /* fail to broadcast */
2832 if (ret) {
2833 _eglError(EGL_BAD_ACCESS, "eglSignalSyncKHR");
2834 return EGL_FALSE;
2835 }
2836 }
2837
2838 return EGL_TRUE;
2839 }
2840
2841 static EGLint
2842 dri2_server_wait_sync(_EGLDriver *drv, _EGLDisplay *dpy, _EGLSync *sync)
2843 {
2844 _EGLContext *ctx = _eglGetCurrentContext();
2845 struct dri2_egl_display *dri2_dpy = dri2_egl_display(dpy);
2846 struct dri2_egl_context *dri2_ctx = dri2_egl_context(ctx);
2847 struct dri2_egl_sync *dri2_sync = dri2_egl_sync(sync);
2848
2849 dri2_dpy->fence->server_wait_sync(dri2_ctx->dri_context,
2850 dri2_sync->fence, 0);
2851 return EGL_TRUE;
2852 }
2853
2854 static int
2855 dri2_interop_query_device_info(_EGLDisplay *dpy, _EGLContext *ctx,
2856 struct mesa_glinterop_device_info *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->query_device_info(dri2_ctx->dri_context, out);
2865 }
2866
2867 static int
2868 dri2_interop_export_object(_EGLDisplay *dpy, _EGLContext *ctx,
2869 struct mesa_glinterop_export_in *in,
2870 struct mesa_glinterop_export_out *out)
2871 {
2872 struct dri2_egl_display *dri2_dpy = dri2_egl_display(dpy);
2873 struct dri2_egl_context *dri2_ctx = dri2_egl_context(ctx);
2874
2875 if (!dri2_dpy->interop)
2876 return MESA_GLINTEROP_UNSUPPORTED;
2877
2878 return dri2_dpy->interop->export_object(dri2_ctx->dri_context, in, out);
2879 }
2880
2881 static void
2882 dri2_unload(_EGLDriver *drv)
2883 {
2884 struct dri2_egl_driver *dri2_drv = dri2_egl_driver(drv);
2885
2886 dlclose(dri2_drv->handle);
2887 free(dri2_drv);
2888 }
2889
2890 static EGLBoolean
2891 dri2_load(_EGLDriver *drv)
2892 {
2893 struct dri2_egl_driver *dri2_drv = dri2_egl_driver(drv);
2894 #ifdef HAVE_ANDROID_PLATFORM
2895 const char *libname = "libglapi.so";
2896 #elif defined(__APPLE__)
2897 const char *libname = "libglapi.0.dylib";
2898 #elif defined(__CYGWIN__)
2899 const char *libname = "cygglapi-0.dll";
2900 #else
2901 const char *libname = "libglapi.so.0";
2902 #endif
2903 void *handle;
2904
2905 /* RTLD_GLOBAL to make sure glapi symbols are visible to DRI drivers */
2906 handle = dlopen(libname, RTLD_LAZY | RTLD_GLOBAL);
2907 if (!handle) {
2908 _eglLog(_EGL_WARNING, "DRI2: failed to open glapi provider");
2909 goto no_handle;
2910 }
2911
2912 dri2_drv->get_proc_address = (_EGLProc (*)(const char *))
2913 dlsym(handle, "_glapi_get_proc_address");
2914
2915 /* if glapi is not available, loading DRI drivers will fail */
2916 if (!dri2_drv->get_proc_address) {
2917 _eglLog(_EGL_WARNING, "DRI2: failed to find _glapi_get_proc_address");
2918 goto no_symbol;
2919 }
2920
2921 dri2_drv->glFlush = (void (*)(void))
2922 dri2_drv->get_proc_address("glFlush");
2923
2924 /* if glFlush is not available things are horribly broken */
2925 if (!dri2_drv->glFlush) {
2926 _eglLog(_EGL_WARNING, "DRI2: failed to find glFlush entry point");
2927 goto no_symbol;
2928 }
2929
2930 dri2_drv->handle = handle;
2931 return EGL_TRUE;
2932
2933 no_symbol:
2934 dlclose(handle);
2935 no_handle:
2936 return EGL_FALSE;
2937 }
2938
2939 /**
2940 * This is the main entrypoint into the driver, called by libEGL.
2941 * Create a new _EGLDriver object and init its dispatch table.
2942 */
2943 _EGLDriver *
2944 _eglBuiltInDriverDRI2(const char *args)
2945 {
2946 struct dri2_egl_driver *dri2_drv;
2947
2948 (void) args;
2949
2950 dri2_drv = calloc(1, sizeof *dri2_drv);
2951 if (!dri2_drv)
2952 return NULL;
2953
2954 if (!dri2_load(&dri2_drv->base)) {
2955 free(dri2_drv);
2956 return NULL;
2957 }
2958
2959 _eglInitDriverFallbacks(&dri2_drv->base);
2960 dri2_drv->base.API.Initialize = dri2_initialize;
2961 dri2_drv->base.API.Terminate = dri2_terminate;
2962 dri2_drv->base.API.CreateContext = dri2_create_context;
2963 dri2_drv->base.API.DestroyContext = dri2_destroy_context;
2964 dri2_drv->base.API.MakeCurrent = dri2_make_current;
2965 dri2_drv->base.API.CreateWindowSurface = dri2_create_window_surface;
2966 dri2_drv->base.API.CreatePixmapSurface = dri2_create_pixmap_surface;
2967 dri2_drv->base.API.CreatePbufferSurface = dri2_create_pbuffer_surface;
2968 dri2_drv->base.API.DestroySurface = dri2_destroy_surface;
2969 dri2_drv->base.API.GetProcAddress = dri2_get_proc_address;
2970 dri2_drv->base.API.WaitClient = dri2_wait_client;
2971 dri2_drv->base.API.WaitNative = dri2_wait_native;
2972 dri2_drv->base.API.BindTexImage = dri2_bind_tex_image;
2973 dri2_drv->base.API.ReleaseTexImage = dri2_release_tex_image;
2974 dri2_drv->base.API.SwapInterval = dri2_swap_interval;
2975 dri2_drv->base.API.SwapBuffers = dri2_swap_buffers;
2976 dri2_drv->base.API.SwapBuffersWithDamageEXT = dri2_swap_buffers_with_damage;
2977 dri2_drv->base.API.SwapBuffersRegionNOK = dri2_swap_buffers_region;
2978 dri2_drv->base.API.PostSubBufferNV = dri2_post_sub_buffer;
2979 dri2_drv->base.API.CopyBuffers = dri2_copy_buffers,
2980 dri2_drv->base.API.QueryBufferAge = dri2_query_buffer_age;
2981 dri2_drv->base.API.CreateImageKHR = dri2_create_image;
2982 dri2_drv->base.API.DestroyImageKHR = dri2_destroy_image_khr;
2983 dri2_drv->base.API.CreateWaylandBufferFromImageWL = dri2_create_wayland_buffer_from_image;
2984 dri2_drv->base.API.QuerySurface = dri2_query_surface;
2985 #ifdef HAVE_LIBDRM
2986 dri2_drv->base.API.CreateDRMImageMESA = dri2_create_drm_image_mesa;
2987 dri2_drv->base.API.ExportDRMImageMESA = dri2_export_drm_image_mesa;
2988 dri2_drv->base.API.ExportDMABUFImageQueryMESA = dri2_export_dma_buf_image_query_mesa;
2989 dri2_drv->base.API.ExportDMABUFImageMESA = dri2_export_dma_buf_image_mesa;
2990 #endif
2991 #ifdef HAVE_WAYLAND_PLATFORM
2992 dri2_drv->base.API.BindWaylandDisplayWL = dri2_bind_wayland_display_wl;
2993 dri2_drv->base.API.UnbindWaylandDisplayWL = dri2_unbind_wayland_display_wl;
2994 dri2_drv->base.API.QueryWaylandBufferWL = dri2_query_wayland_buffer_wl;
2995 #endif
2996 dri2_drv->base.API.GetSyncValuesCHROMIUM = dri2_get_sync_values_chromium;
2997 dri2_drv->base.API.CreateSyncKHR = dri2_create_sync;
2998 dri2_drv->base.API.ClientWaitSyncKHR = dri2_client_wait_sync;
2999 dri2_drv->base.API.SignalSyncKHR = dri2_signal_sync;
3000 dri2_drv->base.API.WaitSyncKHR = dri2_server_wait_sync;
3001 dri2_drv->base.API.DestroySyncKHR = dri2_destroy_sync;
3002 dri2_drv->base.API.GLInteropQueryDeviceInfo = dri2_interop_query_device_info;
3003 dri2_drv->base.API.GLInteropExportObject = dri2_interop_export_object;
3004 dri2_drv->base.API.DupNativeFenceFDANDROID = dri2_dup_native_fence_fd;
3005
3006 dri2_drv->base.Name = "DRI2";
3007 dri2_drv->base.Unload = dri2_unload;
3008
3009 return &dri2_drv->base;
3010 }