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egl: image_dma_buf_export - use KHR 64-bit type
[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 <stdint.h>
31 #include <stdlib.h>
32 #include <string.h>
33 #include <stdio.h>
34 #include <limits.h>
35 #include <dlfcn.h>
36 #include <fcntl.h>
37 #include <errno.h>
38 #include <unistd.h>
39 #ifdef HAVE_LIBDRM
40 #include <xf86drm.h>
41 #include <drm_fourcc.h>
42 #endif
43 #include <GL/gl.h>
44 #include <GL/internal/dri_interface.h>
45 #include <sys/types.h>
46 #include <sys/stat.h>
47
48 #ifdef HAVE_WAYLAND_PLATFORM
49 #include "wayland-drm.h"
50 #include "wayland-drm-client-protocol.h"
51 #endif
52
53 #include "egl_dri2.h"
54 #include "../util/u_atomic.h"
55
56 const __DRIuseInvalidateExtension use_invalidate = {
57 .base = { __DRI_USE_INVALIDATE, 1 }
58 };
59
60 EGLint dri2_to_egl_attribute_map[] = {
61 0,
62 EGL_BUFFER_SIZE, /* __DRI_ATTRIB_BUFFER_SIZE */
63 EGL_LEVEL, /* __DRI_ATTRIB_LEVEL */
64 EGL_RED_SIZE, /* __DRI_ATTRIB_RED_SIZE */
65 EGL_GREEN_SIZE, /* __DRI_ATTRIB_GREEN_SIZE */
66 EGL_BLUE_SIZE, /* __DRI_ATTRIB_BLUE_SIZE */
67 EGL_LUMINANCE_SIZE, /* __DRI_ATTRIB_LUMINANCE_SIZE */
68 EGL_ALPHA_SIZE, /* __DRI_ATTRIB_ALPHA_SIZE */
69 0, /* __DRI_ATTRIB_ALPHA_MASK_SIZE */
70 EGL_DEPTH_SIZE, /* __DRI_ATTRIB_DEPTH_SIZE */
71 EGL_STENCIL_SIZE, /* __DRI_ATTRIB_STENCIL_SIZE */
72 0, /* __DRI_ATTRIB_ACCUM_RED_SIZE */
73 0, /* __DRI_ATTRIB_ACCUM_GREEN_SIZE */
74 0, /* __DRI_ATTRIB_ACCUM_BLUE_SIZE */
75 0, /* __DRI_ATTRIB_ACCUM_ALPHA_SIZE */
76 EGL_SAMPLE_BUFFERS, /* __DRI_ATTRIB_SAMPLE_BUFFERS */
77 EGL_SAMPLES, /* __DRI_ATTRIB_SAMPLES */
78 0, /* __DRI_ATTRIB_RENDER_TYPE, */
79 0, /* __DRI_ATTRIB_CONFIG_CAVEAT */
80 0, /* __DRI_ATTRIB_CONFORMANT */
81 0, /* __DRI_ATTRIB_DOUBLE_BUFFER */
82 0, /* __DRI_ATTRIB_STEREO */
83 0, /* __DRI_ATTRIB_AUX_BUFFERS */
84 0, /* __DRI_ATTRIB_TRANSPARENT_TYPE */
85 0, /* __DRI_ATTRIB_TRANSPARENT_INDEX_VALUE */
86 0, /* __DRI_ATTRIB_TRANSPARENT_RED_VALUE */
87 0, /* __DRI_ATTRIB_TRANSPARENT_GREEN_VALUE */
88 0, /* __DRI_ATTRIB_TRANSPARENT_BLUE_VALUE */
89 0, /* __DRI_ATTRIB_TRANSPARENT_ALPHA_VALUE */
90 0, /* __DRI_ATTRIB_FLOAT_MODE (deprecated) */
91 0, /* __DRI_ATTRIB_RED_MASK */
92 0, /* __DRI_ATTRIB_GREEN_MASK */
93 0, /* __DRI_ATTRIB_BLUE_MASK */
94 0, /* __DRI_ATTRIB_ALPHA_MASK */
95 EGL_MAX_PBUFFER_WIDTH, /* __DRI_ATTRIB_MAX_PBUFFER_WIDTH */
96 EGL_MAX_PBUFFER_HEIGHT, /* __DRI_ATTRIB_MAX_PBUFFER_HEIGHT */
97 EGL_MAX_PBUFFER_PIXELS, /* __DRI_ATTRIB_MAX_PBUFFER_PIXELS */
98 0, /* __DRI_ATTRIB_OPTIMAL_PBUFFER_WIDTH */
99 0, /* __DRI_ATTRIB_OPTIMAL_PBUFFER_HEIGHT */
100 0, /* __DRI_ATTRIB_VISUAL_SELECT_GROUP */
101 0, /* __DRI_ATTRIB_SWAP_METHOD */
102 EGL_MAX_SWAP_INTERVAL, /* __DRI_ATTRIB_MAX_SWAP_INTERVAL */
103 EGL_MIN_SWAP_INTERVAL, /* __DRI_ATTRIB_MIN_SWAP_INTERVAL */
104 0, /* __DRI_ATTRIB_BIND_TO_TEXTURE_RGB */
105 0, /* __DRI_ATTRIB_BIND_TO_TEXTURE_RGBA */
106 0, /* __DRI_ATTRIB_BIND_TO_MIPMAP_TEXTURE */
107 0, /* __DRI_ATTRIB_BIND_TO_TEXTURE_TARGETS */
108 EGL_Y_INVERTED_NOK, /* __DRI_ATTRIB_YINVERTED */
109 0, /* __DRI_ATTRIB_FRAMEBUFFER_SRGB_CAPABLE */
110 };
111
112 static EGLBoolean
113 dri2_match_config(const _EGLConfig *conf, const _EGLConfig *criteria)
114 {
115 if (_eglCompareConfigs(conf, criteria, NULL, EGL_FALSE) != 0)
116 return EGL_FALSE;
117
118 if (!_eglMatchConfig(conf, criteria))
119 return EGL_FALSE;
120
121 return EGL_TRUE;
122 }
123
124 struct dri2_egl_config *
125 dri2_add_config(_EGLDisplay *disp, const __DRIconfig *dri_config, int id,
126 EGLint surface_type, const EGLint *attr_list,
127 const unsigned int *rgba_masks)
128 {
129 struct dri2_egl_config *conf;
130 struct dri2_egl_display *dri2_dpy;
131 _EGLConfig base;
132 unsigned int attrib, value, double_buffer;
133 EGLint key, bind_to_texture_rgb, bind_to_texture_rgba;
134 unsigned int dri_masks[4] = { 0, 0, 0, 0 };
135 _EGLConfig *matching_config;
136 EGLint num_configs = 0;
137 EGLint config_id;
138 int i;
139
140 dri2_dpy = disp->DriverData;
141 _eglInitConfig(&base, disp, id);
142
143 i = 0;
144 double_buffer = 0;
145 bind_to_texture_rgb = 0;
146 bind_to_texture_rgba = 0;
147
148 while (dri2_dpy->core->indexConfigAttrib(dri_config, i++, &attrib, &value)) {
149 switch (attrib) {
150 case __DRI_ATTRIB_RENDER_TYPE:
151 if (value & __DRI_ATTRIB_RGBA_BIT)
152 value = EGL_RGB_BUFFER;
153 else if (value & __DRI_ATTRIB_LUMINANCE_BIT)
154 value = EGL_LUMINANCE_BUFFER;
155 else
156 return NULL;
157 _eglSetConfigKey(&base, EGL_COLOR_BUFFER_TYPE, value);
158 break;
159
160 case __DRI_ATTRIB_CONFIG_CAVEAT:
161 if (value & __DRI_ATTRIB_NON_CONFORMANT_CONFIG)
162 value = EGL_NON_CONFORMANT_CONFIG;
163 else if (value & __DRI_ATTRIB_SLOW_BIT)
164 value = EGL_SLOW_CONFIG;
165 else
166 value = EGL_NONE;
167 _eglSetConfigKey(&base, EGL_CONFIG_CAVEAT, value);
168 break;
169
170 case __DRI_ATTRIB_BIND_TO_TEXTURE_RGB:
171 bind_to_texture_rgb = value;
172 break;
173
174 case __DRI_ATTRIB_BIND_TO_TEXTURE_RGBA:
175 bind_to_texture_rgba = value;
176 break;
177
178 case __DRI_ATTRIB_DOUBLE_BUFFER:
179 double_buffer = value;
180 break;
181
182 case __DRI_ATTRIB_RED_MASK:
183 dri_masks[0] = value;
184 break;
185
186 case __DRI_ATTRIB_GREEN_MASK:
187 dri_masks[1] = value;
188 break;
189
190 case __DRI_ATTRIB_BLUE_MASK:
191 dri_masks[2] = value;
192 break;
193
194 case __DRI_ATTRIB_ALPHA_MASK:
195 dri_masks[3] = value;
196 break;
197
198 case __DRI_ATTRIB_ACCUM_RED_SIZE:
199 case __DRI_ATTRIB_ACCUM_GREEN_SIZE:
200 case __DRI_ATTRIB_ACCUM_BLUE_SIZE:
201 case __DRI_ATTRIB_ACCUM_ALPHA_SIZE:
202 /* Don't expose visuals with the accumulation buffer. */
203 if (value > 0)
204 return NULL;
205 break;
206
207 default:
208 key = dri2_to_egl_attribute_map[attrib];
209 if (key != 0)
210 _eglSetConfigKey(&base, key, value);
211 break;
212 }
213 }
214
215 if (attr_list)
216 for (i = 0; attr_list[i] != EGL_NONE; i += 2)
217 _eglSetConfigKey(&base, attr_list[i], attr_list[i+1]);
218
219 if (rgba_masks && memcmp(rgba_masks, dri_masks, sizeof(dri_masks)))
220 return NULL;
221
222 base.NativeRenderable = EGL_TRUE;
223
224 base.SurfaceType = surface_type;
225 if (surface_type & (EGL_PBUFFER_BIT |
226 (disp->Extensions.NOK_texture_from_pixmap ? EGL_PIXMAP_BIT : 0))) {
227 base.BindToTextureRGB = bind_to_texture_rgb;
228 if (base.AlphaSize > 0)
229 base.BindToTextureRGBA = bind_to_texture_rgba;
230 }
231
232 base.RenderableType = disp->ClientAPIs;
233 base.Conformant = disp->ClientAPIs;
234
235 base.MinSwapInterval = dri2_dpy->min_swap_interval;
236 base.MaxSwapInterval = dri2_dpy->max_swap_interval;
237
238 if (!_eglValidateConfig(&base, EGL_FALSE)) {
239 _eglLog(_EGL_DEBUG, "DRI2: failed to validate config %d", id);
240 return NULL;
241 }
242
243 config_id = base.ConfigID;
244 base.ConfigID = EGL_DONT_CARE;
245 base.SurfaceType = EGL_DONT_CARE;
246 num_configs = _eglFilterArray(disp->Configs, (void **) &matching_config, 1,
247 (_EGLArrayForEach) dri2_match_config, &base);
248
249 if (num_configs == 1) {
250 conf = (struct dri2_egl_config *) matching_config;
251
252 if (double_buffer && !conf->dri_double_config)
253 conf->dri_double_config = dri_config;
254 else if (!double_buffer && !conf->dri_single_config)
255 conf->dri_single_config = dri_config;
256 else
257 /* a similar config type is already added (unlikely) => discard */
258 return NULL;
259 }
260 else if (num_configs == 0) {
261 conf = malloc(sizeof *conf);
262 if (conf == NULL)
263 return NULL;
264
265 memcpy(&conf->base, &base, sizeof base);
266 if (double_buffer) {
267 conf->dri_double_config = dri_config;
268 conf->dri_single_config = NULL;
269 } else {
270 conf->dri_single_config = dri_config;
271 conf->dri_double_config = NULL;
272 }
273 conf->base.SurfaceType = 0;
274 conf->base.ConfigID = config_id;
275
276 _eglLinkConfig(&conf->base);
277 }
278 else {
279 assert(0);
280 return NULL;
281 }
282
283 if (double_buffer) {
284 surface_type &= ~EGL_PIXMAP_BIT;
285 }
286
287 conf->base.SurfaceType |= surface_type;
288
289 return conf;
290 }
291
292 __DRIimage *
293 dri2_lookup_egl_image(__DRIscreen *screen, void *image, void *data)
294 {
295 _EGLDisplay *disp = data;
296 struct dri2_egl_image *dri2_img;
297 _EGLImage *img;
298
299 (void) screen;
300
301 img = _eglLookupImage(image, disp);
302 if (img == NULL) {
303 _eglError(EGL_BAD_PARAMETER, "dri2_lookup_egl_image");
304 return NULL;
305 }
306
307 dri2_img = dri2_egl_image(image);
308
309 return dri2_img->dri_image;
310 }
311
312 const __DRIimageLookupExtension image_lookup_extension = {
313 .base = { __DRI_IMAGE_LOOKUP, 1 },
314
315 .lookupEGLImage = dri2_lookup_egl_image
316 };
317
318 struct dri2_extension_match {
319 const char *name;
320 int version;
321 int offset;
322 };
323
324 static struct dri2_extension_match dri2_driver_extensions[] = {
325 { __DRI_CORE, 1, offsetof(struct dri2_egl_display, core) },
326 { __DRI_DRI2, 2, offsetof(struct dri2_egl_display, dri2) },
327 { NULL, 0, 0 }
328 };
329
330 static struct dri2_extension_match dri2_core_extensions[] = {
331 { __DRI2_FLUSH, 1, offsetof(struct dri2_egl_display, flush) },
332 { __DRI_TEX_BUFFER, 2, offsetof(struct dri2_egl_display, tex_buffer) },
333 { __DRI_IMAGE, 1, offsetof(struct dri2_egl_display, image) },
334 { NULL, 0, 0 }
335 };
336
337 static struct dri2_extension_match swrast_driver_extensions[] = {
338 { __DRI_CORE, 1, offsetof(struct dri2_egl_display, core) },
339 { __DRI_SWRAST, 2, offsetof(struct dri2_egl_display, swrast) },
340 { NULL, 0, 0 }
341 };
342
343 static struct dri2_extension_match swrast_core_extensions[] = {
344 { __DRI_TEX_BUFFER, 2, offsetof(struct dri2_egl_display, tex_buffer) },
345 { NULL, 0, 0 }
346 };
347
348 static EGLBoolean
349 dri2_bind_extensions(struct dri2_egl_display *dri2_dpy,
350 struct dri2_extension_match *matches,
351 const __DRIextension **extensions)
352 {
353 int i, j, ret = EGL_TRUE;
354 void *field;
355
356 for (i = 0; extensions[i]; i++) {
357 _eglLog(_EGL_DEBUG, "DRI2: found extension `%s'", extensions[i]->name);
358 for (j = 0; matches[j].name; j++) {
359 if (strcmp(extensions[i]->name, matches[j].name) == 0 &&
360 extensions[i]->version >= matches[j].version) {
361 field = ((char *) dri2_dpy + matches[j].offset);
362 *(const __DRIextension **) field = extensions[i];
363 _eglLog(_EGL_INFO, "DRI2: found extension %s version %d",
364 extensions[i]->name, extensions[i]->version);
365 }
366 }
367 }
368
369 for (j = 0; matches[j].name; j++) {
370 field = ((char *) dri2_dpy + matches[j].offset);
371 if (*(const __DRIextension **) field == NULL) {
372 _eglLog(_EGL_WARNING, "DRI2: did not find extension %s version %d",
373 matches[j].name, matches[j].version);
374 ret = EGL_FALSE;
375 }
376 }
377
378 return ret;
379 }
380
381 static const __DRIextension **
382 dri2_open_driver(_EGLDisplay *disp)
383 {
384 struct dri2_egl_display *dri2_dpy = disp->DriverData;
385 const __DRIextension **extensions = NULL;
386 char path[PATH_MAX], *search_paths, *p, *next, *end;
387 char *get_extensions_name;
388 const __DRIextension **(*get_extensions)(void);
389
390 search_paths = NULL;
391 if (geteuid() == getuid()) {
392 /* don't allow setuid apps to use LIBGL_DRIVERS_PATH */
393 search_paths = getenv("LIBGL_DRIVERS_PATH");
394 }
395 if (search_paths == NULL)
396 search_paths = DEFAULT_DRIVER_DIR;
397
398 dri2_dpy->driver = NULL;
399 end = search_paths + strlen(search_paths);
400 for (p = search_paths; p < end && dri2_dpy->driver == NULL; p = next + 1) {
401 int len;
402 next = strchr(p, ':');
403 if (next == NULL)
404 next = end;
405
406 len = next - p;
407 #if GLX_USE_TLS
408 snprintf(path, sizeof path,
409 "%.*s/tls/%s_dri.so", len, p, dri2_dpy->driver_name);
410 dri2_dpy->driver = dlopen(path, RTLD_NOW | RTLD_GLOBAL);
411 #endif
412 if (dri2_dpy->driver == NULL) {
413 snprintf(path, sizeof path,
414 "%.*s/%s_dri.so", len, p, dri2_dpy->driver_name);
415 dri2_dpy->driver = dlopen(path, RTLD_NOW | RTLD_GLOBAL);
416 if (dri2_dpy->driver == NULL)
417 _eglLog(_EGL_DEBUG, "failed to open %s: %s\n", path, dlerror());
418 }
419 /* not need continue to loop all paths once the driver is found */
420 if (dri2_dpy->driver != NULL)
421 break;
422 }
423
424 if (dri2_dpy->driver == NULL) {
425 _eglLog(_EGL_WARNING,
426 "DRI2: failed to open %s (search paths %s)",
427 dri2_dpy->driver_name, search_paths);
428 return NULL;
429 }
430
431 _eglLog(_EGL_DEBUG, "DRI2: dlopen(%s)", path);
432
433 if (asprintf(&get_extensions_name, "%s_%s",
434 __DRI_DRIVER_GET_EXTENSIONS, dri2_dpy->driver_name) != -1) {
435 get_extensions = dlsym(dri2_dpy->driver, get_extensions_name);
436 if (get_extensions) {
437 extensions = get_extensions();
438 } else {
439 _eglLog(_EGL_DEBUG, "driver does not expose %s(): %s\n",
440 get_extensions_name, dlerror());
441 }
442 free(get_extensions_name);
443 }
444
445 if (!extensions)
446 extensions = dlsym(dri2_dpy->driver, __DRI_DRIVER_EXTENSIONS);
447 if (extensions == NULL) {
448 _eglLog(_EGL_WARNING,
449 "DRI2: driver exports no extensions (%s)", dlerror());
450 dlclose(dri2_dpy->driver);
451 }
452
453 return extensions;
454 }
455
456 EGLBoolean
457 dri2_load_driver(_EGLDisplay *disp)
458 {
459 struct dri2_egl_display *dri2_dpy = disp->DriverData;
460 const __DRIextension **extensions;
461
462 extensions = dri2_open_driver(disp);
463 if (!extensions)
464 return EGL_FALSE;
465
466 if (!dri2_bind_extensions(dri2_dpy, dri2_driver_extensions, extensions)) {
467 dlclose(dri2_dpy->driver);
468 return EGL_FALSE;
469 }
470 dri2_dpy->driver_extensions = extensions;
471
472 return EGL_TRUE;
473 }
474
475 EGLBoolean
476 dri2_load_driver_swrast(_EGLDisplay *disp)
477 {
478 struct dri2_egl_display *dri2_dpy = disp->DriverData;
479 const __DRIextension **extensions;
480
481 extensions = dri2_open_driver(disp);
482 if (!extensions)
483 return EGL_FALSE;
484
485 if (!dri2_bind_extensions(dri2_dpy, swrast_driver_extensions, extensions)) {
486 dlclose(dri2_dpy->driver);
487 return EGL_FALSE;
488 }
489 dri2_dpy->driver_extensions = extensions;
490
491 return EGL_TRUE;
492 }
493
494 void
495 dri2_setup_screen(_EGLDisplay *disp)
496 {
497 struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
498 unsigned int api_mask;
499
500 if (dri2_dpy->dri2) {
501 api_mask = dri2_dpy->dri2->getAPIMask(dri2_dpy->dri_screen);
502 } else {
503 assert(dri2_dpy->swrast);
504 api_mask = 1 << __DRI_API_OPENGL |
505 1 << __DRI_API_GLES |
506 1 << __DRI_API_GLES2 |
507 1 << __DRI_API_GLES3;
508 }
509
510 disp->ClientAPIs = 0;
511 if (api_mask & (1 <<__DRI_API_OPENGL))
512 disp->ClientAPIs |= EGL_OPENGL_BIT;
513 if (api_mask & (1 <<__DRI_API_GLES))
514 disp->ClientAPIs |= EGL_OPENGL_ES_BIT;
515 if (api_mask & (1 << __DRI_API_GLES2))
516 disp->ClientAPIs |= EGL_OPENGL_ES2_BIT;
517 if (api_mask & (1 << __DRI_API_GLES3))
518 disp->ClientAPIs |= EGL_OPENGL_ES3_BIT_KHR;
519
520 assert(dri2_dpy->dri2 || dri2_dpy->swrast);
521 disp->Extensions.KHR_surfaceless_context = EGL_TRUE;
522 disp->Extensions.MESA_configless_context = EGL_TRUE;
523
524 if (dri2_dpy->dri2 && dri2_dpy->dri2->base.version >= 3) {
525 disp->Extensions.KHR_create_context = EGL_TRUE;
526
527 if (dri2_dpy->robustness)
528 disp->Extensions.EXT_create_context_robustness = EGL_TRUE;
529 }
530
531 if (dri2_dpy->fence) {
532 disp->Extensions.KHR_fence_sync = EGL_TRUE;
533 disp->Extensions.KHR_wait_sync = EGL_TRUE;
534 if (dri2_dpy->fence->get_fence_from_cl_event)
535 disp->Extensions.KHR_cl_event2 = EGL_TRUE;
536 }
537
538 if (dri2_dpy->image) {
539 if (dri2_dpy->image->base.version >= 10 &&
540 dri2_dpy->image->getCapabilities != NULL) {
541 int capabilities;
542
543 capabilities = dri2_dpy->image->getCapabilities(dri2_dpy->dri_screen);
544 disp->Extensions.MESA_drm_image = (capabilities & __DRI_IMAGE_CAP_GLOBAL_NAMES) != 0;
545
546 if (dri2_dpy->image->base.version >= 11)
547 disp->Extensions.MESA_image_dma_buf_export = EGL_TRUE;
548 } else {
549 disp->Extensions.MESA_drm_image = EGL_TRUE;
550 if (dri2_dpy->image->base.version >= 11)
551 disp->Extensions.MESA_image_dma_buf_export = EGL_TRUE;
552 }
553
554 disp->Extensions.KHR_image_base = EGL_TRUE;
555 disp->Extensions.KHR_gl_renderbuffer_image = EGL_TRUE;
556 if (dri2_dpy->image->base.version >= 5 &&
557 dri2_dpy->image->createImageFromTexture) {
558 disp->Extensions.KHR_gl_texture_2D_image = EGL_TRUE;
559 disp->Extensions.KHR_gl_texture_cubemap_image = EGL_TRUE;
560 }
561 #ifdef HAVE_LIBDRM
562 if (dri2_dpy->image->base.version >= 8 &&
563 dri2_dpy->image->createImageFromDmaBufs) {
564 disp->Extensions.EXT_image_dma_buf_import = EGL_TRUE;
565 }
566 #endif
567 }
568 }
569
570 /* All platforms but DRM call this function to create the screen, query the
571 * dri extensions, setup the vtables and populate the driver_configs.
572 * DRM inherits all that information from its display - GBM.
573 */
574 EGLBoolean
575 dri2_create_screen(_EGLDisplay *disp)
576 {
577 const __DRIextension **extensions;
578 struct dri2_egl_display *dri2_dpy;
579
580 dri2_dpy = disp->DriverData;
581
582 if (dri2_dpy->dri2) {
583 if (dri2_dpy->dri2->base.version >= 4) {
584 dri2_dpy->dri_screen =
585 dri2_dpy->dri2->createNewScreen2(0, dri2_dpy->fd,
586 dri2_dpy->extensions,
587 dri2_dpy->driver_extensions,
588 &dri2_dpy->driver_configs, disp);
589 } else {
590 dri2_dpy->dri_screen =
591 dri2_dpy->dri2->createNewScreen(0, dri2_dpy->fd,
592 dri2_dpy->extensions,
593 &dri2_dpy->driver_configs, disp);
594 }
595 } else {
596 assert(dri2_dpy->swrast);
597 if (dri2_dpy->swrast->base.version >= 4) {
598 dri2_dpy->dri_screen =
599 dri2_dpy->swrast->createNewScreen2(0, dri2_dpy->extensions,
600 dri2_dpy->driver_extensions,
601 &dri2_dpy->driver_configs, disp);
602 } else {
603 dri2_dpy->dri_screen =
604 dri2_dpy->swrast->createNewScreen(0, dri2_dpy->extensions,
605 &dri2_dpy->driver_configs, disp);
606 }
607 }
608
609 if (dri2_dpy->dri_screen == NULL) {
610 _eglLog(_EGL_WARNING, "DRI2: failed to create dri screen");
611 return EGL_FALSE;
612 }
613
614 dri2_dpy->own_dri_screen = 1;
615
616 extensions = dri2_dpy->core->getExtensions(dri2_dpy->dri_screen);
617
618 if (dri2_dpy->dri2) {
619 unsigned i;
620
621 if (!dri2_bind_extensions(dri2_dpy, dri2_core_extensions, extensions))
622 goto cleanup_dri_screen;
623
624 for (i = 0; extensions[i]; i++) {
625 if (strcmp(extensions[i]->name, __DRI2_ROBUSTNESS) == 0) {
626 dri2_dpy->robustness = (__DRIrobustnessExtension *) extensions[i];
627 }
628 if (strcmp(extensions[i]->name, __DRI2_CONFIG_QUERY) == 0) {
629 dri2_dpy->config = (__DRI2configQueryExtension *) extensions[i];
630 }
631 if (strcmp(extensions[i]->name, __DRI2_FENCE) == 0) {
632 dri2_dpy->fence = (__DRI2fenceExtension *) extensions[i];
633 }
634 }
635 } else {
636 assert(dri2_dpy->swrast);
637 if (!dri2_bind_extensions(dri2_dpy, swrast_core_extensions, extensions))
638 goto cleanup_dri_screen;
639 }
640
641 dri2_setup_screen(disp);
642
643 return EGL_TRUE;
644
645 cleanup_dri_screen:
646 dri2_dpy->core->destroyScreen(dri2_dpy->dri_screen);
647
648 return EGL_FALSE;
649 }
650
651 /**
652 * Called via eglInitialize(), GLX_drv->API.Initialize().
653 */
654 static EGLBoolean
655 dri2_initialize(_EGLDriver *drv, _EGLDisplay *disp)
656 {
657 /* not until swrast_dri is supported */
658 if (disp->Options.UseFallback)
659 return EGL_FALSE;
660
661 switch (disp->Platform) {
662 #ifdef HAVE_X11_PLATFORM
663 case _EGL_PLATFORM_X11:
664 if (disp->Options.TestOnly)
665 return EGL_TRUE;
666 return dri2_initialize_x11(drv, disp);
667 #endif
668
669 #ifdef HAVE_DRM_PLATFORM
670 case _EGL_PLATFORM_DRM:
671 if (disp->Options.TestOnly)
672 return EGL_TRUE;
673 return dri2_initialize_drm(drv, disp);
674 #endif
675 #ifdef HAVE_WAYLAND_PLATFORM
676 case _EGL_PLATFORM_WAYLAND:
677 if (disp->Options.TestOnly)
678 return EGL_TRUE;
679 return dri2_initialize_wayland(drv, disp);
680 #endif
681 #ifdef HAVE_ANDROID_PLATFORM
682 case _EGL_PLATFORM_ANDROID:
683 if (disp->Options.TestOnly)
684 return EGL_TRUE;
685 return dri2_initialize_android(drv, disp);
686 #endif
687
688 default:
689 _eglLog(_EGL_WARNING, "No EGL platform enabled.");
690 return EGL_FALSE;
691 }
692 }
693
694 /**
695 * Called via eglTerminate(), drv->API.Terminate().
696 */
697 static EGLBoolean
698 dri2_terminate(_EGLDriver *drv, _EGLDisplay *disp)
699 {
700 struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
701 unsigned i;
702
703 _eglReleaseDisplayResources(drv, disp);
704 _eglCleanupDisplay(disp);
705
706 if (dri2_dpy->own_dri_screen)
707 dri2_dpy->core->destroyScreen(dri2_dpy->dri_screen);
708 if (dri2_dpy->fd)
709 close(dri2_dpy->fd);
710 if (dri2_dpy->driver)
711 dlclose(dri2_dpy->driver);
712 free(dri2_dpy->device_name);
713 free(dri2_dpy->driver_name);
714
715 switch (disp->Platform) {
716 #ifdef HAVE_X11_PLATFORM
717 case _EGL_PLATFORM_X11:
718 if (dri2_dpy->own_device) {
719 xcb_disconnect(dri2_dpy->conn);
720 }
721 break;
722 #endif
723 #ifdef HAVE_DRM_PLATFORM
724 case _EGL_PLATFORM_DRM:
725 if (dri2_dpy->own_device) {
726 gbm_device_destroy(&dri2_dpy->gbm_dri->base.base);
727 }
728 break;
729 #endif
730 #ifdef HAVE_WAYLAND_PLATFORM
731 case _EGL_PLATFORM_WAYLAND:
732 wl_drm_destroy(dri2_dpy->wl_drm);
733 if (dri2_dpy->own_device) {
734 wl_display_disconnect(dri2_dpy->wl_dpy);
735 }
736 break;
737 #endif
738 default:
739 break;
740 }
741
742 /* The drm platform does not create the screen/driver_configs but reuses
743 * the ones from the gbm device. As such the gbm itself is responsible
744 * for the cleanup.
745 */
746 if (disp->Platform != _EGL_PLATFORM_DRM) {
747 for (i = 0; dri2_dpy->driver_configs[i]; i++)
748 free((__DRIconfig *) dri2_dpy->driver_configs[i]);
749 free(dri2_dpy->driver_configs);
750 }
751 free(dri2_dpy);
752 disp->DriverData = NULL;
753
754 return EGL_TRUE;
755 }
756
757 /**
758 * Set the error code after a call to
759 * dri2_egl_display::dri2::createContextAttribs.
760 */
761 static void
762 dri2_create_context_attribs_error(int dri_error)
763 {
764 EGLint egl_error;
765
766 switch (dri_error) {
767 case __DRI_CTX_ERROR_SUCCESS:
768 return;
769
770 case __DRI_CTX_ERROR_NO_MEMORY:
771 egl_error = EGL_BAD_ALLOC;
772 break;
773
774 /* From the EGL_KHR_create_context spec, section "Errors":
775 *
776 * * If <config> does not support a client API context compatible
777 * with the requested API major and minor version, [...] context flags,
778 * and context reset notification behavior (for client API types where
779 * these attributes are supported), then an EGL_BAD_MATCH error is
780 * generated.
781 *
782 * * If an OpenGL ES context is requested and the values for
783 * attributes EGL_CONTEXT_MAJOR_VERSION_KHR and
784 * EGL_CONTEXT_MINOR_VERSION_KHR specify an OpenGL ES version that
785 * is not defined, than an EGL_BAD_MATCH error is generated.
786 *
787 * * If an OpenGL context is requested, the requested version is
788 * greater than 3.2, and the value for attribute
789 * EGL_CONTEXT_OPENGL_PROFILE_MASK_KHR has no bits set; has any
790 * bits set other than EGL_CONTEXT_OPENGL_CORE_PROFILE_BIT_KHR and
791 * EGL_CONTEXT_OPENGL_COMPATIBILITY_PROFILE_BIT_KHR; has more than
792 * one of these bits set; or if the implementation does not support
793 * the requested profile, then an EGL_BAD_MATCH error is generated.
794 */
795 case __DRI_CTX_ERROR_BAD_API:
796 case __DRI_CTX_ERROR_BAD_VERSION:
797 case __DRI_CTX_ERROR_BAD_FLAG:
798 egl_error = EGL_BAD_MATCH;
799 break;
800
801 /* From the EGL_KHR_create_context spec, section "Errors":
802 *
803 * * If an attribute name or attribute value in <attrib_list> is not
804 * recognized (including unrecognized bits in bitmask attributes),
805 * then an EGL_BAD_ATTRIBUTE error is generated."
806 */
807 case __DRI_CTX_ERROR_UNKNOWN_ATTRIBUTE:
808 case __DRI_CTX_ERROR_UNKNOWN_FLAG:
809 egl_error = EGL_BAD_ATTRIBUTE;
810 break;
811
812 default:
813 assert(0);
814 egl_error = EGL_BAD_MATCH;
815 break;
816 }
817
818 _eglError(egl_error, "dri2_create_context");
819 }
820
821 /**
822 * Called via eglCreateContext(), drv->API.CreateContext().
823 */
824 static _EGLContext *
825 dri2_create_context(_EGLDriver *drv, _EGLDisplay *disp, _EGLConfig *conf,
826 _EGLContext *share_list, const EGLint *attrib_list)
827 {
828 struct dri2_egl_context *dri2_ctx;
829 struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
830 struct dri2_egl_context *dri2_ctx_shared = dri2_egl_context(share_list);
831 __DRIcontext *shared =
832 dri2_ctx_shared ? dri2_ctx_shared->dri_context : NULL;
833 struct dri2_egl_config *dri2_config = dri2_egl_config(conf);
834 const __DRIconfig *dri_config;
835 int api;
836
837 (void) drv;
838
839 dri2_ctx = malloc(sizeof *dri2_ctx);
840 if (!dri2_ctx) {
841 _eglError(EGL_BAD_ALLOC, "eglCreateContext");
842 return NULL;
843 }
844
845 if (!_eglInitContext(&dri2_ctx->base, disp, conf, attrib_list))
846 goto cleanup;
847
848 switch (dri2_ctx->base.ClientAPI) {
849 case EGL_OPENGL_ES_API:
850 switch (dri2_ctx->base.ClientMajorVersion) {
851 case 1:
852 api = __DRI_API_GLES;
853 break;
854 case 2:
855 api = __DRI_API_GLES2;
856 break;
857 case 3:
858 api = __DRI_API_GLES3;
859 break;
860 default:
861 _eglError(EGL_BAD_PARAMETER, "eglCreateContext");
862 free(dri2_ctx);
863 return NULL;
864 }
865 break;
866 case EGL_OPENGL_API:
867 if ((dri2_ctx->base.ClientMajorVersion >= 4
868 || (dri2_ctx->base.ClientMajorVersion == 3
869 && dri2_ctx->base.ClientMinorVersion >= 2))
870 && dri2_ctx->base.Profile == EGL_CONTEXT_OPENGL_CORE_PROFILE_BIT_KHR)
871 api = __DRI_API_OPENGL_CORE;
872 else
873 api = __DRI_API_OPENGL;
874 break;
875 default:
876 _eglError(EGL_BAD_PARAMETER, "eglCreateContext");
877 free(dri2_ctx);
878 return NULL;
879 }
880
881 if (conf != NULL) {
882 /* The config chosen here isn't necessarily
883 * used for surfaces later.
884 * A pixmap surface will use the single config.
885 * This opportunity depends on disabling the
886 * doubleBufferMode check in
887 * src/mesa/main/context.c:check_compatible()
888 */
889 if (dri2_config->dri_double_config)
890 dri_config = dri2_config->dri_double_config;
891 else
892 dri_config = dri2_config->dri_single_config;
893
894 /* EGL_WINDOW_BIT is set only when there is a dri_double_config. This
895 * makes sure the back buffer will always be used.
896 */
897 if (conf->SurfaceType & EGL_WINDOW_BIT)
898 dri2_ctx->base.WindowRenderBuffer = EGL_BACK_BUFFER;
899 }
900 else
901 dri_config = NULL;
902
903 if (dri2_dpy->dri2) {
904 if (dri2_dpy->dri2->base.version >= 3) {
905 unsigned error;
906 unsigned num_attribs = 0;
907 uint32_t ctx_attribs[8];
908
909 ctx_attribs[num_attribs++] = __DRI_CTX_ATTRIB_MAJOR_VERSION;
910 ctx_attribs[num_attribs++] = dri2_ctx->base.ClientMajorVersion;
911 ctx_attribs[num_attribs++] = __DRI_CTX_ATTRIB_MINOR_VERSION;
912 ctx_attribs[num_attribs++] = dri2_ctx->base.ClientMinorVersion;
913
914 if (dri2_ctx->base.Flags != 0) {
915 /* If the implementation doesn't support the __DRI2_ROBUSTNESS
916 * extension, don't even try to send it the robust-access flag.
917 * It may explode. Instead, generate the required EGL error here.
918 */
919 if ((dri2_ctx->base.Flags & EGL_CONTEXT_OPENGL_ROBUST_ACCESS_BIT_KHR) != 0
920 && !dri2_dpy->robustness) {
921 _eglError(EGL_BAD_MATCH, "eglCreateContext");
922 goto cleanup;
923 }
924
925 ctx_attribs[num_attribs++] = __DRI_CTX_ATTRIB_FLAGS;
926 ctx_attribs[num_attribs++] = dri2_ctx->base.Flags;
927 }
928
929 if (dri2_ctx->base.ResetNotificationStrategy != EGL_NO_RESET_NOTIFICATION_KHR) {
930 /* If the implementation doesn't support the __DRI2_ROBUSTNESS
931 * extension, don't even try to send it a reset strategy. It may
932 * explode. Instead, generate the required EGL error here.
933 */
934 if (!dri2_dpy->robustness) {
935 _eglError(EGL_BAD_CONFIG, "eglCreateContext");
936 goto cleanup;
937 }
938
939 ctx_attribs[num_attribs++] = __DRI_CTX_ATTRIB_RESET_STRATEGY;
940 ctx_attribs[num_attribs++] = __DRI_CTX_RESET_LOSE_CONTEXT;
941 }
942
943 assert(num_attribs <= ARRAY_SIZE(ctx_attribs));
944
945 dri2_ctx->dri_context =
946 dri2_dpy->dri2->createContextAttribs(dri2_dpy->dri_screen,
947 api,
948 dri_config,
949 shared,
950 num_attribs / 2,
951 ctx_attribs,
952 & error,
953 dri2_ctx);
954 dri2_create_context_attribs_error(error);
955 } else {
956 dri2_ctx->dri_context =
957 dri2_dpy->dri2->createNewContextForAPI(dri2_dpy->dri_screen,
958 api,
959 dri_config,
960 shared,
961 dri2_ctx);
962 }
963 } else {
964 assert(dri2_dpy->swrast);
965 dri2_ctx->dri_context =
966 dri2_dpy->swrast->createNewContextForAPI(dri2_dpy->dri_screen,
967 api,
968 dri_config,
969 shared,
970 dri2_ctx);
971 }
972
973 if (!dri2_ctx->dri_context)
974 goto cleanup;
975
976 return &dri2_ctx->base;
977
978 cleanup:
979 free(dri2_ctx);
980 return NULL;
981 }
982
983 /**
984 * Called via eglDestroyContext(), drv->API.DestroyContext().
985 */
986 static EGLBoolean
987 dri2_destroy_context(_EGLDriver *drv, _EGLDisplay *disp, _EGLContext *ctx)
988 {
989 struct dri2_egl_context *dri2_ctx = dri2_egl_context(ctx);
990 struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
991
992 if (_eglPutContext(ctx)) {
993 dri2_dpy->core->destroyContext(dri2_ctx->dri_context);
994 free(dri2_ctx);
995 }
996
997 return EGL_TRUE;
998 }
999
1000 /**
1001 * Called via eglMakeCurrent(), drv->API.MakeCurrent().
1002 */
1003 static EGLBoolean
1004 dri2_make_current(_EGLDriver *drv, _EGLDisplay *disp, _EGLSurface *dsurf,
1005 _EGLSurface *rsurf, _EGLContext *ctx)
1006 {
1007 struct dri2_egl_driver *dri2_drv = dri2_egl_driver(drv);
1008 struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
1009 struct dri2_egl_surface *dri2_dsurf = dri2_egl_surface(dsurf);
1010 struct dri2_egl_surface *dri2_rsurf = dri2_egl_surface(rsurf);
1011 struct dri2_egl_context *dri2_ctx = dri2_egl_context(ctx);
1012 _EGLContext *old_ctx;
1013 _EGLSurface *old_dsurf, *old_rsurf;
1014 __DRIdrawable *ddraw, *rdraw;
1015 __DRIcontext *cctx;
1016
1017 /* make new bindings */
1018 if (!_eglBindContext(ctx, dsurf, rsurf, &old_ctx, &old_dsurf, &old_rsurf))
1019 return EGL_FALSE;
1020
1021 /* flush before context switch */
1022 if (old_ctx && dri2_drv->glFlush)
1023 dri2_drv->glFlush();
1024
1025 ddraw = (dri2_dsurf) ? dri2_dsurf->dri_drawable : NULL;
1026 rdraw = (dri2_rsurf) ? dri2_rsurf->dri_drawable : NULL;
1027 cctx = (dri2_ctx) ? dri2_ctx->dri_context : NULL;
1028
1029 if (old_ctx) {
1030 __DRIcontext *old_cctx = dri2_egl_context(old_ctx)->dri_context;
1031 dri2_dpy->core->unbindContext(old_cctx);
1032 }
1033
1034 if ((cctx == NULL && ddraw == NULL && rdraw == NULL) ||
1035 dri2_dpy->core->bindContext(cctx, ddraw, rdraw)) {
1036 if (old_dsurf)
1037 drv->API.DestroySurface(drv, disp, old_dsurf);
1038 if (old_rsurf)
1039 drv->API.DestroySurface(drv, disp, old_rsurf);
1040 if (old_ctx)
1041 drv->API.DestroyContext(drv, disp, old_ctx);
1042
1043 return EGL_TRUE;
1044 } else {
1045 /* undo the previous _eglBindContext */
1046 _eglBindContext(old_ctx, old_dsurf, old_rsurf, &ctx, &dsurf, &rsurf);
1047 assert(&dri2_ctx->base == ctx &&
1048 &dri2_dsurf->base == dsurf &&
1049 &dri2_rsurf->base == rsurf);
1050
1051 _eglPutSurface(dsurf);
1052 _eglPutSurface(rsurf);
1053 _eglPutContext(ctx);
1054
1055 _eglPutSurface(old_dsurf);
1056 _eglPutSurface(old_rsurf);
1057 _eglPutContext(old_ctx);
1058
1059 return EGL_FALSE;
1060 }
1061 }
1062
1063 /*
1064 * Called from eglGetProcAddress() via drv->API.GetProcAddress().
1065 */
1066 static _EGLProc
1067 dri2_get_proc_address(_EGLDriver *drv, const char *procname)
1068 {
1069 struct dri2_egl_driver *dri2_drv = dri2_egl_driver(drv);
1070
1071 return dri2_drv->get_proc_address(procname);
1072 }
1073
1074 static _EGLSurface*
1075 dri2_create_window_surface(_EGLDriver *drv, _EGLDisplay *dpy,
1076 _EGLConfig *conf, void *native_window,
1077 const EGLint *attrib_list)
1078 {
1079 struct dri2_egl_display *dri2_dpy = dri2_egl_display(dpy);
1080 return dri2_dpy->vtbl->create_window_surface(drv, dpy, conf, native_window,
1081 attrib_list);
1082 }
1083
1084 static _EGLSurface*
1085 dri2_create_pixmap_surface(_EGLDriver *drv, _EGLDisplay *dpy,
1086 _EGLConfig *conf, void *native_pixmap,
1087 const EGLint *attrib_list)
1088 {
1089 struct dri2_egl_display *dri2_dpy = dri2_egl_display(dpy);
1090 return dri2_dpy->vtbl->create_pixmap_surface(drv, dpy, conf, native_pixmap,
1091 attrib_list);
1092 }
1093
1094 static _EGLSurface*
1095 dri2_create_pbuffer_surface(_EGLDriver *drv, _EGLDisplay *dpy,
1096 _EGLConfig *conf, const EGLint *attrib_list)
1097 {
1098 struct dri2_egl_display *dri2_dpy = dri2_egl_display(dpy);
1099 return dri2_dpy->vtbl->create_pbuffer_surface(drv, dpy, conf, attrib_list);
1100 }
1101
1102 static EGLBoolean
1103 dri2_destroy_surface(_EGLDriver *drv, _EGLDisplay *dpy, _EGLSurface *surf)
1104 {
1105 struct dri2_egl_display *dri2_dpy = dri2_egl_display(dpy);
1106 return dri2_dpy->vtbl->destroy_surface(drv, dpy, surf);
1107 }
1108
1109 static EGLBoolean
1110 dri2_swap_interval(_EGLDriver *drv, _EGLDisplay *dpy, _EGLSurface *surf,
1111 EGLint interval)
1112 {
1113 struct dri2_egl_display *dri2_dpy = dri2_egl_display(dpy);
1114 return dri2_dpy->vtbl->swap_interval(drv, dpy, surf, interval);
1115 }
1116
1117 /**
1118 * Asks the client API to flush any rendering to the drawable so that we can
1119 * do our swapbuffers.
1120 */
1121 void
1122 dri2_flush_drawable_for_swapbuffers(_EGLDisplay *disp, _EGLSurface *draw)
1123 {
1124 struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
1125 struct dri2_egl_surface *dri2_surf = dri2_egl_surface(draw);
1126
1127 if (dri2_dpy->flush) {
1128 if (dri2_dpy->flush->base.version >= 4) {
1129 /* We know there's a current context because:
1130 *
1131 * "If surface is not bound to the calling thread’s current
1132 * context, an EGL_BAD_SURFACE error is generated."
1133 */
1134 _EGLContext *ctx = _eglGetCurrentContext();
1135 struct dri2_egl_context *dri2_ctx = dri2_egl_context(ctx);
1136
1137 /* From the EGL 1.4 spec (page 52):
1138 *
1139 * "The contents of ancillary buffers are always undefined
1140 * after calling eglSwapBuffers."
1141 */
1142 dri2_dpy->flush->flush_with_flags(dri2_ctx->dri_context,
1143 dri2_surf->dri_drawable,
1144 __DRI2_FLUSH_DRAWABLE |
1145 __DRI2_FLUSH_INVALIDATE_ANCILLARY,
1146 __DRI2_THROTTLE_SWAPBUFFER);
1147 } else {
1148 dri2_dpy->flush->flush(dri2_surf->dri_drawable);
1149 }
1150 }
1151 }
1152
1153 static EGLBoolean
1154 dri2_swap_buffers(_EGLDriver *drv, _EGLDisplay *dpy, _EGLSurface *surf)
1155 {
1156 struct dri2_egl_display *dri2_dpy = dri2_egl_display(dpy);
1157 return dri2_dpy->vtbl->swap_buffers(drv, dpy, surf);
1158 }
1159
1160 static EGLBoolean
1161 dri2_swap_buffers_with_damage(_EGLDriver *drv, _EGLDisplay *dpy,
1162 _EGLSurface *surf,
1163 const EGLint *rects, EGLint n_rects)
1164 {
1165 struct dri2_egl_display *dri2_dpy = dri2_egl_display(dpy);
1166 return dri2_dpy->vtbl->swap_buffers_with_damage(drv, dpy, surf,
1167 rects, n_rects);
1168 }
1169
1170 static EGLBoolean
1171 dri2_swap_buffers_region(_EGLDriver *drv, _EGLDisplay *dpy, _EGLSurface *surf,
1172 EGLint numRects, const EGLint *rects)
1173 {
1174 struct dri2_egl_display *dri2_dpy = dri2_egl_display(dpy);
1175 return dri2_dpy->vtbl->swap_buffers_region(drv, dpy, surf, numRects, rects);
1176 }
1177
1178 static EGLBoolean
1179 dri2_post_sub_buffer(_EGLDriver *drv, _EGLDisplay *dpy, _EGLSurface *surf,
1180 EGLint x, EGLint y, EGLint width, EGLint height)
1181 {
1182 struct dri2_egl_display *dri2_dpy = dri2_egl_display(dpy);
1183 return dri2_dpy->vtbl->post_sub_buffer(drv, dpy, surf, x, y, width, height);
1184 }
1185
1186 static EGLBoolean
1187 dri2_copy_buffers(_EGLDriver *drv, _EGLDisplay *dpy, _EGLSurface *surf,
1188 void *native_pixmap_target)
1189 {
1190 struct dri2_egl_display *dri2_dpy = dri2_egl_display(dpy);
1191 return dri2_dpy->vtbl->copy_buffers(drv, dpy, surf, native_pixmap_target);
1192 }
1193
1194 static EGLint
1195 dri2_query_buffer_age(_EGLDriver *drv, _EGLDisplay *dpy, _EGLSurface *surf)
1196 {
1197 struct dri2_egl_display *dri2_dpy = dri2_egl_display(dpy);
1198 return dri2_dpy->vtbl->query_buffer_age(drv, dpy, surf);
1199 }
1200
1201 static EGLBoolean
1202 dri2_wait_client(_EGLDriver *drv, _EGLDisplay *disp, _EGLContext *ctx)
1203 {
1204 struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
1205 struct dri2_egl_surface *dri2_surf = dri2_egl_surface(ctx->DrawSurface);
1206
1207 (void) drv;
1208
1209 /* FIXME: If EGL allows frontbuffer rendering for window surfaces,
1210 * we need to copy fake to real here.*/
1211
1212 if (dri2_dpy->flush != NULL)
1213 dri2_dpy->flush->flush(dri2_surf->dri_drawable);
1214
1215 return EGL_TRUE;
1216 }
1217
1218 static EGLBoolean
1219 dri2_wait_native(_EGLDriver *drv, _EGLDisplay *disp, EGLint engine)
1220 {
1221 (void) drv;
1222 (void) disp;
1223
1224 if (engine != EGL_CORE_NATIVE_ENGINE)
1225 return _eglError(EGL_BAD_PARAMETER, "eglWaitNative");
1226 /* glXWaitX(); */
1227
1228 return EGL_TRUE;
1229 }
1230
1231 static EGLBoolean
1232 dri2_bind_tex_image(_EGLDriver *drv,
1233 _EGLDisplay *disp, _EGLSurface *surf, EGLint buffer)
1234 {
1235 struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
1236 struct dri2_egl_surface *dri2_surf = dri2_egl_surface(surf);
1237 struct dri2_egl_context *dri2_ctx;
1238 _EGLContext *ctx;
1239 GLint format, target;
1240
1241 ctx = _eglGetCurrentContext();
1242 dri2_ctx = dri2_egl_context(ctx);
1243
1244 if (!_eglBindTexImage(drv, disp, surf, buffer))
1245 return EGL_FALSE;
1246
1247 switch (dri2_surf->base.TextureFormat) {
1248 case EGL_TEXTURE_RGB:
1249 format = __DRI_TEXTURE_FORMAT_RGB;
1250 break;
1251 case EGL_TEXTURE_RGBA:
1252 format = __DRI_TEXTURE_FORMAT_RGBA;
1253 break;
1254 default:
1255 assert(0);
1256 }
1257
1258 switch (dri2_surf->base.TextureTarget) {
1259 case EGL_TEXTURE_2D:
1260 target = GL_TEXTURE_2D;
1261 break;
1262 default:
1263 assert(0);
1264 }
1265
1266 (*dri2_dpy->tex_buffer->setTexBuffer2)(dri2_ctx->dri_context,
1267 target, format,
1268 dri2_surf->dri_drawable);
1269
1270 return EGL_TRUE;
1271 }
1272
1273 static EGLBoolean
1274 dri2_release_tex_image(_EGLDriver *drv,
1275 _EGLDisplay *disp, _EGLSurface *surf, EGLint buffer)
1276 {
1277 struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
1278 struct dri2_egl_surface *dri2_surf = dri2_egl_surface(surf);
1279 struct dri2_egl_context *dri2_ctx;
1280 _EGLContext *ctx;
1281 GLint target;
1282
1283 ctx = _eglGetCurrentContext();
1284 dri2_ctx = dri2_egl_context(ctx);
1285
1286 if (!_eglReleaseTexImage(drv, disp, surf, buffer))
1287 return EGL_FALSE;
1288
1289 switch (dri2_surf->base.TextureTarget) {
1290 case EGL_TEXTURE_2D:
1291 target = GL_TEXTURE_2D;
1292 break;
1293 default:
1294 assert(0);
1295 }
1296
1297 if (dri2_dpy->tex_buffer->base.version >= 3 &&
1298 dri2_dpy->tex_buffer->releaseTexBuffer != NULL) {
1299 (*dri2_dpy->tex_buffer->releaseTexBuffer)(dri2_ctx->dri_context,
1300 target,
1301 dri2_surf->dri_drawable);
1302 }
1303
1304 return EGL_TRUE;
1305 }
1306
1307 static _EGLImage*
1308 dri2_create_image(_EGLDriver *drv, _EGLDisplay *dpy, _EGLContext *ctx,
1309 EGLenum target, EGLClientBuffer buffer,
1310 const EGLint *attr_list)
1311 {
1312 struct dri2_egl_display *dri2_dpy = dri2_egl_display(dpy);
1313 return dri2_dpy->vtbl->create_image(drv, dpy, ctx, target, buffer,
1314 attr_list);
1315 }
1316
1317 static _EGLImage *
1318 dri2_create_image_from_dri(_EGLDisplay *disp, __DRIimage *dri_image)
1319 {
1320 struct dri2_egl_image *dri2_img;
1321
1322 if (dri_image == NULL) {
1323 _eglError(EGL_BAD_ALLOC, "dri2_create_image");
1324 return NULL;
1325 }
1326
1327 dri2_img = malloc(sizeof *dri2_img);
1328 if (!dri2_img) {
1329 _eglError(EGL_BAD_ALLOC, "dri2_create_image");
1330 return NULL;
1331 }
1332
1333 if (!_eglInitImage(&dri2_img->base, disp)) {
1334 free(dri2_img);
1335 return NULL;
1336 }
1337
1338 dri2_img->dri_image = dri_image;
1339
1340 return &dri2_img->base;
1341 }
1342
1343 static _EGLImage *
1344 dri2_create_image_khr_renderbuffer(_EGLDisplay *disp, _EGLContext *ctx,
1345 EGLClientBuffer buffer,
1346 const EGLint *attr_list)
1347 {
1348 struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
1349 struct dri2_egl_context *dri2_ctx = dri2_egl_context(ctx);
1350 GLuint renderbuffer = (GLuint) (uintptr_t) buffer;
1351 __DRIimage *dri_image;
1352
1353 if (renderbuffer == 0) {
1354 _eglError(EGL_BAD_PARAMETER, "dri2_create_image_khr");
1355 return EGL_NO_IMAGE_KHR;
1356 }
1357
1358 dri_image =
1359 dri2_dpy->image->createImageFromRenderbuffer(dri2_ctx->dri_context,
1360 renderbuffer, NULL);
1361
1362 return dri2_create_image_from_dri(disp, dri_image);
1363 }
1364
1365 #ifdef HAVE_LIBDRM
1366 static _EGLImage *
1367 dri2_create_image_mesa_drm_buffer(_EGLDisplay *disp, _EGLContext *ctx,
1368 EGLClientBuffer buffer, const EGLint *attr_list)
1369 {
1370 struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
1371 EGLint format, name, pitch, err;
1372 _EGLImageAttribs attrs;
1373 __DRIimage *dri_image;
1374
1375 name = (EGLint) (uintptr_t) buffer;
1376
1377 err = _eglParseImageAttribList(&attrs, disp, attr_list);
1378 if (err != EGL_SUCCESS)
1379 return NULL;
1380
1381 if (attrs.Width <= 0 || attrs.Height <= 0 ||
1382 attrs.DRMBufferStrideMESA <= 0) {
1383 _eglError(EGL_BAD_PARAMETER,
1384 "bad width, height or stride");
1385 return NULL;
1386 }
1387
1388 switch (attrs.DRMBufferFormatMESA) {
1389 case EGL_DRM_BUFFER_FORMAT_ARGB32_MESA:
1390 format = __DRI_IMAGE_FORMAT_ARGB8888;
1391 pitch = attrs.DRMBufferStrideMESA;
1392 break;
1393 default:
1394 _eglError(EGL_BAD_PARAMETER,
1395 "dri2_create_image_khr: unsupported pixmap depth");
1396 return NULL;
1397 }
1398
1399 dri_image =
1400 dri2_dpy->image->createImageFromName(dri2_dpy->dri_screen,
1401 attrs.Width,
1402 attrs.Height,
1403 format,
1404 name,
1405 pitch,
1406 NULL);
1407
1408 return dri2_create_image_from_dri(disp, dri_image);
1409 }
1410 #endif
1411
1412 #ifdef HAVE_WAYLAND_PLATFORM
1413
1414 /* This structure describes how a wl_buffer maps to one or more
1415 * __DRIimages. A wl_drm_buffer stores the wl_drm format code and the
1416 * offsets and strides of the planes in the buffer. This table maps a
1417 * wl_drm format code to a description of the planes in the buffer
1418 * that lets us create a __DRIimage for each of the planes. */
1419
1420 static const struct wl_drm_components_descriptor {
1421 uint32_t dri_components;
1422 EGLint components;
1423 int nplanes;
1424 } wl_drm_components[] = {
1425 { __DRI_IMAGE_COMPONENTS_RGB, EGL_TEXTURE_RGB, 1 },
1426 { __DRI_IMAGE_COMPONENTS_RGBA, EGL_TEXTURE_RGBA, 1 },
1427 { __DRI_IMAGE_COMPONENTS_Y_U_V, EGL_TEXTURE_Y_U_V_WL, 3 },
1428 { __DRI_IMAGE_COMPONENTS_Y_UV, EGL_TEXTURE_Y_UV_WL, 2 },
1429 { __DRI_IMAGE_COMPONENTS_Y_XUXV, EGL_TEXTURE_Y_XUXV_WL, 2 },
1430 };
1431
1432 static _EGLImage *
1433 dri2_create_image_wayland_wl_buffer(_EGLDisplay *disp, _EGLContext *ctx,
1434 EGLClientBuffer _buffer,
1435 const EGLint *attr_list)
1436 {
1437 struct wl_drm_buffer *buffer;
1438 struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
1439 const struct wl_drm_components_descriptor *f;
1440 __DRIimage *dri_image;
1441 _EGLImageAttribs attrs;
1442 EGLint err;
1443 int32_t plane;
1444
1445 buffer = wayland_drm_buffer_get(dri2_dpy->wl_server_drm,
1446 (struct wl_resource *) _buffer);
1447 if (!buffer)
1448 return NULL;
1449
1450 err = _eglParseImageAttribList(&attrs, disp, attr_list);
1451 plane = attrs.PlaneWL;
1452 if (err != EGL_SUCCESS) {
1453 _eglError(EGL_BAD_PARAMETER, "dri2_create_image_wayland_wl_buffer");
1454 return NULL;
1455 }
1456
1457 f = buffer->driver_format;
1458 if (plane < 0 || plane >= f->nplanes) {
1459 _eglError(EGL_BAD_PARAMETER,
1460 "dri2_create_image_wayland_wl_buffer (plane out of bounds)");
1461 return NULL;
1462 }
1463
1464 dri_image = dri2_dpy->image->fromPlanar(buffer->driver_buffer, plane, NULL);
1465
1466 if (dri_image == NULL) {
1467 _eglError(EGL_BAD_PARAMETER, "dri2_create_image_wayland_wl_buffer");
1468 return NULL;
1469 }
1470
1471 return dri2_create_image_from_dri(disp, dri_image);
1472 }
1473 #endif
1474
1475 static EGLBoolean
1476 dri2_get_sync_values_chromium(_EGLDisplay *dpy, _EGLSurface *surf,
1477 EGLuint64KHR *ust, EGLuint64KHR *msc,
1478 EGLuint64KHR *sbc)
1479 {
1480 struct dri2_egl_display *dri2_dpy = dri2_egl_display(dpy);
1481 return dri2_dpy->vtbl->get_sync_values(dpy, surf, ust, msc, sbc);
1482 }
1483
1484 /**
1485 * Set the error code after a call to
1486 * dri2_egl_image::dri_image::createImageFromTexture.
1487 */
1488 static void
1489 dri2_create_image_khr_texture_error(int dri_error)
1490 {
1491 EGLint egl_error;
1492
1493 switch (dri_error) {
1494 case __DRI_IMAGE_ERROR_SUCCESS:
1495 return;
1496
1497 case __DRI_IMAGE_ERROR_BAD_ALLOC:
1498 egl_error = EGL_BAD_ALLOC;
1499 break;
1500
1501 case __DRI_IMAGE_ERROR_BAD_MATCH:
1502 egl_error = EGL_BAD_MATCH;
1503 break;
1504
1505 case __DRI_IMAGE_ERROR_BAD_PARAMETER:
1506 egl_error = EGL_BAD_PARAMETER;
1507 break;
1508
1509 default:
1510 assert(0);
1511 egl_error = EGL_BAD_MATCH;
1512 break;
1513 }
1514
1515 _eglError(egl_error, "dri2_create_image_khr_texture");
1516 }
1517
1518 static _EGLImage *
1519 dri2_create_image_khr_texture(_EGLDisplay *disp, _EGLContext *ctx,
1520 EGLenum target,
1521 EGLClientBuffer buffer,
1522 const EGLint *attr_list)
1523 {
1524 struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
1525 struct dri2_egl_context *dri2_ctx = dri2_egl_context(ctx);
1526 struct dri2_egl_image *dri2_img;
1527 GLuint texture = (GLuint) (uintptr_t) buffer;
1528 _EGLImageAttribs attrs;
1529 GLuint depth;
1530 GLenum gl_target;
1531 unsigned error;
1532
1533 if (texture == 0) {
1534 _eglError(EGL_BAD_PARAMETER, "dri2_create_image_khr");
1535 return EGL_NO_IMAGE_KHR;
1536 }
1537
1538 if (_eglParseImageAttribList(&attrs, disp, attr_list) != EGL_SUCCESS)
1539 return EGL_NO_IMAGE_KHR;
1540
1541 switch (target) {
1542 case EGL_GL_TEXTURE_2D_KHR:
1543 depth = 0;
1544 gl_target = GL_TEXTURE_2D;
1545 break;
1546 case EGL_GL_TEXTURE_3D_KHR:
1547 depth = attrs.GLTextureZOffset;
1548 gl_target = GL_TEXTURE_3D;
1549 break;
1550 case EGL_GL_TEXTURE_CUBE_MAP_POSITIVE_X_KHR:
1551 case EGL_GL_TEXTURE_CUBE_MAP_NEGATIVE_X_KHR:
1552 case EGL_GL_TEXTURE_CUBE_MAP_POSITIVE_Y_KHR:
1553 case EGL_GL_TEXTURE_CUBE_MAP_NEGATIVE_Y_KHR:
1554 case EGL_GL_TEXTURE_CUBE_MAP_POSITIVE_Z_KHR:
1555 case EGL_GL_TEXTURE_CUBE_MAP_NEGATIVE_Z_KHR:
1556 depth = target - EGL_GL_TEXTURE_CUBE_MAP_POSITIVE_X_KHR;
1557 gl_target = GL_TEXTURE_CUBE_MAP;
1558 break;
1559 default:
1560 _eglError(EGL_BAD_PARAMETER, "dri2_create_image_khr");
1561 return EGL_NO_IMAGE_KHR;
1562 }
1563
1564 dri2_img = malloc(sizeof *dri2_img);
1565 if (!dri2_img) {
1566 _eglError(EGL_BAD_ALLOC, "dri2_create_image_khr");
1567 return EGL_NO_IMAGE_KHR;
1568 }
1569
1570 if (!_eglInitImage(&dri2_img->base, disp)) {
1571 _eglError(EGL_BAD_ALLOC, "dri2_create_image_khr");
1572 free(dri2_img);
1573 return EGL_NO_IMAGE_KHR;
1574 }
1575
1576 dri2_img->dri_image =
1577 dri2_dpy->image->createImageFromTexture(dri2_ctx->dri_context,
1578 gl_target,
1579 texture,
1580 depth,
1581 attrs.GLTextureLevel,
1582 &error,
1583 dri2_img);
1584 dri2_create_image_khr_texture_error(error);
1585
1586 if (!dri2_img->dri_image) {
1587 free(dri2_img);
1588 return EGL_NO_IMAGE_KHR;
1589 }
1590 return &dri2_img->base;
1591 }
1592
1593 static struct wl_buffer*
1594 dri2_create_wayland_buffer_from_image(_EGLDriver *drv, _EGLDisplay *dpy,
1595 _EGLImage *img)
1596 {
1597 struct dri2_egl_display *dri2_dpy = dri2_egl_display(dpy);
1598 return dri2_dpy->vtbl->create_wayland_buffer_from_image(drv, dpy, img);
1599 }
1600
1601 #ifdef HAVE_LIBDRM
1602 static EGLBoolean
1603 dri2_check_dma_buf_attribs(const _EGLImageAttribs *attrs)
1604 {
1605 unsigned i;
1606
1607 /**
1608 * The spec says:
1609 *
1610 * "Required attributes and their values are as follows:
1611 *
1612 * * EGL_WIDTH & EGL_HEIGHT: The logical dimensions of the buffer in pixels
1613 *
1614 * * EGL_LINUX_DRM_FOURCC_EXT: The pixel format of the buffer, as specified
1615 * by drm_fourcc.h and used as the pixel_format parameter of the
1616 * drm_mode_fb_cmd2 ioctl."
1617 *
1618 * and
1619 *
1620 * "* If <target> is EGL_LINUX_DMA_BUF_EXT, and the list of attributes is
1621 * incomplete, EGL_BAD_PARAMETER is generated."
1622 */
1623 if (attrs->Width <= 0 || attrs->Height <= 0 ||
1624 !attrs->DMABufFourCC.IsPresent) {
1625 _eglError(EGL_BAD_PARAMETER, "attribute(s) missing");
1626 return EGL_FALSE;
1627 }
1628
1629 /**
1630 * Also:
1631 *
1632 * "If <target> is EGL_LINUX_DMA_BUF_EXT and one or more of the values
1633 * specified for a plane's pitch or offset isn't supported by EGL,
1634 * EGL_BAD_ACCESS is generated."
1635 */
1636 for (i = 0; i < ARRAY_SIZE(attrs->DMABufPlanePitches); ++i) {
1637 if (attrs->DMABufPlanePitches[i].IsPresent &&
1638 attrs->DMABufPlanePitches[i].Value <= 0) {
1639 _eglError(EGL_BAD_ACCESS, "invalid pitch");
1640 return EGL_FALSE;
1641 }
1642 }
1643
1644 return EGL_TRUE;
1645 }
1646
1647 /* Returns the total number of file descriptors. Zero indicates an error. */
1648 static unsigned
1649 dri2_check_dma_buf_format(const _EGLImageAttribs *attrs)
1650 {
1651 unsigned i, plane_n;
1652
1653 switch (attrs->DMABufFourCC.Value) {
1654 case DRM_FORMAT_RGB332:
1655 case DRM_FORMAT_BGR233:
1656 case DRM_FORMAT_XRGB4444:
1657 case DRM_FORMAT_XBGR4444:
1658 case DRM_FORMAT_RGBX4444:
1659 case DRM_FORMAT_BGRX4444:
1660 case DRM_FORMAT_ARGB4444:
1661 case DRM_FORMAT_ABGR4444:
1662 case DRM_FORMAT_RGBA4444:
1663 case DRM_FORMAT_BGRA4444:
1664 case DRM_FORMAT_XRGB1555:
1665 case DRM_FORMAT_XBGR1555:
1666 case DRM_FORMAT_RGBX5551:
1667 case DRM_FORMAT_BGRX5551:
1668 case DRM_FORMAT_ARGB1555:
1669 case DRM_FORMAT_ABGR1555:
1670 case DRM_FORMAT_RGBA5551:
1671 case DRM_FORMAT_BGRA5551:
1672 case DRM_FORMAT_RGB565:
1673 case DRM_FORMAT_BGR565:
1674 case DRM_FORMAT_RGB888:
1675 case DRM_FORMAT_BGR888:
1676 case DRM_FORMAT_XRGB8888:
1677 case DRM_FORMAT_XBGR8888:
1678 case DRM_FORMAT_RGBX8888:
1679 case DRM_FORMAT_BGRX8888:
1680 case DRM_FORMAT_ARGB8888:
1681 case DRM_FORMAT_ABGR8888:
1682 case DRM_FORMAT_RGBA8888:
1683 case DRM_FORMAT_BGRA8888:
1684 case DRM_FORMAT_XRGB2101010:
1685 case DRM_FORMAT_XBGR2101010:
1686 case DRM_FORMAT_RGBX1010102:
1687 case DRM_FORMAT_BGRX1010102:
1688 case DRM_FORMAT_ARGB2101010:
1689 case DRM_FORMAT_ABGR2101010:
1690 case DRM_FORMAT_RGBA1010102:
1691 case DRM_FORMAT_BGRA1010102:
1692 case DRM_FORMAT_YUYV:
1693 case DRM_FORMAT_YVYU:
1694 case DRM_FORMAT_UYVY:
1695 case DRM_FORMAT_VYUY:
1696 plane_n = 1;
1697 break;
1698 case DRM_FORMAT_NV12:
1699 case DRM_FORMAT_NV21:
1700 case DRM_FORMAT_NV16:
1701 case DRM_FORMAT_NV61:
1702 plane_n = 2;
1703 break;
1704 case DRM_FORMAT_YUV410:
1705 case DRM_FORMAT_YVU410:
1706 case DRM_FORMAT_YUV411:
1707 case DRM_FORMAT_YVU411:
1708 case DRM_FORMAT_YUV420:
1709 case DRM_FORMAT_YVU420:
1710 case DRM_FORMAT_YUV422:
1711 case DRM_FORMAT_YVU422:
1712 case DRM_FORMAT_YUV444:
1713 case DRM_FORMAT_YVU444:
1714 plane_n = 3;
1715 break;
1716 default:
1717 _eglError(EGL_BAD_ATTRIBUTE, "invalid format");
1718 return 0;
1719 }
1720
1721 /**
1722 * The spec says:
1723 *
1724 * "* If <target> is EGL_LINUX_DMA_BUF_EXT, and the list of attributes is
1725 * incomplete, EGL_BAD_PARAMETER is generated."
1726 */
1727 for (i = 0; i < plane_n; ++i) {
1728 if (!attrs->DMABufPlaneFds[i].IsPresent ||
1729 !attrs->DMABufPlaneOffsets[i].IsPresent ||
1730 !attrs->DMABufPlanePitches[i].IsPresent) {
1731 _eglError(EGL_BAD_PARAMETER, "plane attribute(s) missing");
1732 return 0;
1733 }
1734 }
1735
1736 /**
1737 * The spec also says:
1738 *
1739 * "If <target> is EGL_LINUX_DMA_BUF_EXT, and the EGL_LINUX_DRM_FOURCC_EXT
1740 * attribute indicates a single-plane format, EGL_BAD_ATTRIBUTE is
1741 * generated if any of the EGL_DMA_BUF_PLANE1_* or EGL_DMA_BUF_PLANE2_*
1742 * attributes are specified."
1743 */
1744 for (i = plane_n; i < 3; ++i) {
1745 if (attrs->DMABufPlaneFds[i].IsPresent ||
1746 attrs->DMABufPlaneOffsets[i].IsPresent ||
1747 attrs->DMABufPlanePitches[i].IsPresent) {
1748 _eglError(EGL_BAD_ATTRIBUTE, "too many plane attributes");
1749 return 0;
1750 }
1751 }
1752
1753 return plane_n;
1754 }
1755
1756 /**
1757 * The spec says:
1758 *
1759 * "If eglCreateImageKHR is successful for a EGL_LINUX_DMA_BUF_EXT target, the
1760 * EGL will take a reference to the dma_buf(s) which it will release at any
1761 * time while the EGLDisplay is initialized. It is the responsibility of the
1762 * application to close the dma_buf file descriptors."
1763 *
1764 * Therefore we must never close or otherwise modify the file descriptors.
1765 */
1766 static _EGLImage *
1767 dri2_create_image_dma_buf(_EGLDisplay *disp, _EGLContext *ctx,
1768 EGLClientBuffer buffer, const EGLint *attr_list)
1769 {
1770 struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
1771 _EGLImage *res;
1772 EGLint err;
1773 _EGLImageAttribs attrs;
1774 __DRIimage *dri_image;
1775 unsigned num_fds;
1776 unsigned i;
1777 int fds[3];
1778 int pitches[3];
1779 int offsets[3];
1780 unsigned error;
1781
1782 /**
1783 * The spec says:
1784 *
1785 * ""* If <target> is EGL_LINUX_DMA_BUF_EXT and <buffer> is not NULL, the
1786 * error EGL_BAD_PARAMETER is generated."
1787 */
1788 if (buffer != NULL) {
1789 _eglError(EGL_BAD_PARAMETER, "buffer not NULL");
1790 return NULL;
1791 }
1792
1793 err = _eglParseImageAttribList(&attrs, disp, attr_list);
1794 if (err != EGL_SUCCESS) {
1795 _eglError(err, "bad attribute");
1796 return NULL;
1797 }
1798
1799 if (!dri2_check_dma_buf_attribs(&attrs))
1800 return NULL;
1801
1802 num_fds = dri2_check_dma_buf_format(&attrs);
1803 if (!num_fds)
1804 return NULL;
1805
1806 for (i = 0; i < num_fds; ++i) {
1807 fds[i] = attrs.DMABufPlaneFds[i].Value;
1808 pitches[i] = attrs.DMABufPlanePitches[i].Value;
1809 offsets[i] = attrs.DMABufPlaneOffsets[i].Value;
1810 }
1811
1812 dri_image =
1813 dri2_dpy->image->createImageFromDmaBufs(dri2_dpy->dri_screen,
1814 attrs.Width, attrs.Height, attrs.DMABufFourCC.Value,
1815 fds, num_fds, pitches, offsets,
1816 attrs.DMABufYuvColorSpaceHint.Value,
1817 attrs.DMABufSampleRangeHint.Value,
1818 attrs.DMABufChromaHorizontalSiting.Value,
1819 attrs.DMABufChromaVerticalSiting.Value,
1820 &error,
1821 NULL);
1822 dri2_create_image_khr_texture_error(error);
1823
1824 if (!dri_image)
1825 return EGL_NO_IMAGE_KHR;
1826
1827 res = dri2_create_image_from_dri(disp, dri_image);
1828
1829 return res;
1830 }
1831 #endif
1832
1833 _EGLImage *
1834 dri2_create_image_khr(_EGLDriver *drv, _EGLDisplay *disp,
1835 _EGLContext *ctx, EGLenum target,
1836 EGLClientBuffer buffer, const EGLint *attr_list)
1837 {
1838 (void) drv;
1839
1840 switch (target) {
1841 case EGL_GL_TEXTURE_2D_KHR:
1842 case EGL_GL_TEXTURE_CUBE_MAP_POSITIVE_X_KHR:
1843 case EGL_GL_TEXTURE_CUBE_MAP_NEGATIVE_X_KHR:
1844 case EGL_GL_TEXTURE_CUBE_MAP_POSITIVE_Y_KHR:
1845 case EGL_GL_TEXTURE_CUBE_MAP_NEGATIVE_Y_KHR:
1846 case EGL_GL_TEXTURE_CUBE_MAP_POSITIVE_Z_KHR:
1847 case EGL_GL_TEXTURE_CUBE_MAP_NEGATIVE_Z_KHR:
1848 return dri2_create_image_khr_texture(disp, ctx, target, buffer, attr_list);
1849 case EGL_GL_RENDERBUFFER_KHR:
1850 return dri2_create_image_khr_renderbuffer(disp, ctx, buffer, attr_list);
1851 #ifdef HAVE_LIBDRM
1852 case EGL_DRM_BUFFER_MESA:
1853 return dri2_create_image_mesa_drm_buffer(disp, ctx, buffer, attr_list);
1854 #endif
1855 #ifdef HAVE_WAYLAND_PLATFORM
1856 case EGL_WAYLAND_BUFFER_WL:
1857 return dri2_create_image_wayland_wl_buffer(disp, ctx, buffer, attr_list);
1858 #endif
1859 #ifdef HAVE_LIBDRM
1860 case EGL_LINUX_DMA_BUF_EXT:
1861 return dri2_create_image_dma_buf(disp, ctx, buffer, attr_list);
1862 #endif
1863 default:
1864 _eglError(EGL_BAD_PARAMETER, "dri2_create_image_khr");
1865 return EGL_NO_IMAGE_KHR;
1866 }
1867 }
1868
1869 static EGLBoolean
1870 dri2_destroy_image_khr(_EGLDriver *drv, _EGLDisplay *disp, _EGLImage *image)
1871 {
1872 struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
1873 struct dri2_egl_image *dri2_img = dri2_egl_image(image);
1874
1875 (void) drv;
1876
1877 dri2_dpy->image->destroyImage(dri2_img->dri_image);
1878 free(dri2_img);
1879
1880 return EGL_TRUE;
1881 }
1882
1883 #ifdef HAVE_LIBDRM
1884 static _EGLImage *
1885 dri2_create_drm_image_mesa(_EGLDriver *drv, _EGLDisplay *disp,
1886 const EGLint *attr_list)
1887 {
1888 struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
1889 struct dri2_egl_image *dri2_img;
1890 _EGLImageAttribs attrs;
1891 unsigned int dri_use, valid_mask;
1892 int format;
1893 EGLint err = EGL_SUCCESS;
1894
1895 (void) drv;
1896
1897 dri2_img = malloc(sizeof *dri2_img);
1898 if (!dri2_img) {
1899 _eglError(EGL_BAD_ALLOC, "dri2_create_image_khr");
1900 return EGL_NO_IMAGE_KHR;
1901 }
1902
1903 if (!attr_list) {
1904 err = EGL_BAD_PARAMETER;
1905 goto cleanup_img;
1906 }
1907
1908 if (!_eglInitImage(&dri2_img->base, disp)) {
1909 err = EGL_BAD_PARAMETER;
1910 goto cleanup_img;
1911 }
1912
1913 err = _eglParseImageAttribList(&attrs, disp, attr_list);
1914 if (err != EGL_SUCCESS)
1915 goto cleanup_img;
1916
1917 if (attrs.Width <= 0 || attrs.Height <= 0) {
1918 _eglLog(_EGL_WARNING, "bad width or height (%dx%d)",
1919 attrs.Width, attrs.Height);
1920 goto cleanup_img;
1921 }
1922
1923 switch (attrs.DRMBufferFormatMESA) {
1924 case EGL_DRM_BUFFER_FORMAT_ARGB32_MESA:
1925 format = __DRI_IMAGE_FORMAT_ARGB8888;
1926 break;
1927 default:
1928 _eglLog(_EGL_WARNING, "bad image format value 0x%04x",
1929 attrs.DRMBufferFormatMESA);
1930 goto cleanup_img;
1931 }
1932
1933 valid_mask =
1934 EGL_DRM_BUFFER_USE_SCANOUT_MESA |
1935 EGL_DRM_BUFFER_USE_SHARE_MESA |
1936 EGL_DRM_BUFFER_USE_CURSOR_MESA;
1937 if (attrs.DRMBufferUseMESA & ~valid_mask) {
1938 _eglLog(_EGL_WARNING, "bad image use bit 0x%04x",
1939 attrs.DRMBufferUseMESA & ~valid_mask);
1940 goto cleanup_img;
1941 }
1942
1943 dri_use = 0;
1944 if (attrs.DRMBufferUseMESA & EGL_DRM_BUFFER_USE_SHARE_MESA)
1945 dri_use |= __DRI_IMAGE_USE_SHARE;
1946 if (attrs.DRMBufferUseMESA & EGL_DRM_BUFFER_USE_SCANOUT_MESA)
1947 dri_use |= __DRI_IMAGE_USE_SCANOUT;
1948 if (attrs.DRMBufferUseMESA & EGL_DRM_BUFFER_USE_CURSOR_MESA)
1949 dri_use |= __DRI_IMAGE_USE_CURSOR;
1950
1951 dri2_img->dri_image =
1952 dri2_dpy->image->createImage(dri2_dpy->dri_screen,
1953 attrs.Width, attrs.Height,
1954 format, dri_use, dri2_img);
1955 if (dri2_img->dri_image == NULL) {
1956 err = EGL_BAD_ALLOC;
1957 goto cleanup_img;
1958 }
1959
1960 return &dri2_img->base;
1961
1962 cleanup_img:
1963 free(dri2_img);
1964 _eglError(err, "dri2_create_drm_image_mesa");
1965
1966 return EGL_NO_IMAGE_KHR;
1967 }
1968
1969 static EGLBoolean
1970 dri2_export_drm_image_mesa(_EGLDriver *drv, _EGLDisplay *disp, _EGLImage *img,
1971 EGLint *name, EGLint *handle, EGLint *stride)
1972 {
1973 struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
1974 struct dri2_egl_image *dri2_img = dri2_egl_image(img);
1975
1976 (void) drv;
1977
1978 if (name && !dri2_dpy->image->queryImage(dri2_img->dri_image,
1979 __DRI_IMAGE_ATTRIB_NAME, name)) {
1980 _eglError(EGL_BAD_ALLOC, "dri2_export_drm_image_mesa");
1981 return EGL_FALSE;
1982 }
1983
1984 if (handle)
1985 dri2_dpy->image->queryImage(dri2_img->dri_image,
1986 __DRI_IMAGE_ATTRIB_HANDLE, handle);
1987
1988 if (stride)
1989 dri2_dpy->image->queryImage(dri2_img->dri_image,
1990 __DRI_IMAGE_ATTRIB_STRIDE, stride);
1991
1992 return EGL_TRUE;
1993 }
1994
1995 static EGLBoolean
1996 dri2_export_dma_buf_image_query_mesa(_EGLDriver *drv, _EGLDisplay *disp,
1997 _EGLImage *img,
1998 EGLint *fourcc, EGLint *nplanes,
1999 EGLuint64KHR *modifiers)
2000 {
2001 struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
2002 struct dri2_egl_image *dri2_img = dri2_egl_image(img);
2003
2004 (void) drv;
2005
2006
2007 if (nplanes)
2008 dri2_dpy->image->queryImage(dri2_img->dri_image,
2009 __DRI_IMAGE_ATTRIB_NUM_PLANES, nplanes);
2010 if (fourcc)
2011 dri2_dpy->image->queryImage(dri2_img->dri_image,
2012 __DRI_IMAGE_ATTRIB_FOURCC, fourcc);
2013
2014 if (modifiers)
2015 *modifiers = 0;
2016
2017 return EGL_TRUE;
2018 }
2019
2020 static EGLBoolean
2021 dri2_export_dma_buf_image_mesa(_EGLDriver *drv, _EGLDisplay *disp, _EGLImage *img,
2022 int *fds, EGLint *strides, EGLint *offsets)
2023 {
2024 struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
2025 struct dri2_egl_image *dri2_img = dri2_egl_image(img);
2026
2027 (void) drv;
2028
2029 /* rework later to provide multiple fds/strides/offsets */
2030 if (fds)
2031 dri2_dpy->image->queryImage(dri2_img->dri_image,
2032 __DRI_IMAGE_ATTRIB_FD, fds);
2033
2034 if (strides)
2035 dri2_dpy->image->queryImage(dri2_img->dri_image,
2036 __DRI_IMAGE_ATTRIB_STRIDE, strides);
2037
2038 if (offsets)
2039 offsets[0] = 0;
2040
2041 return EGL_TRUE;
2042 }
2043 #endif
2044
2045 #ifdef HAVE_WAYLAND_PLATFORM
2046
2047 static void
2048 dri2_wl_reference_buffer(void *user_data, uint32_t name, int fd,
2049 struct wl_drm_buffer *buffer)
2050 {
2051 _EGLDisplay *disp = user_data;
2052 struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
2053 __DRIimage *img;
2054 int i, dri_components = 0;
2055
2056 if (fd == -1)
2057 img = dri2_dpy->image->createImageFromNames(dri2_dpy->dri_screen,
2058 buffer->width,
2059 buffer->height,
2060 buffer->format,
2061 (int*)&name, 1,
2062 buffer->stride,
2063 buffer->offset,
2064 NULL);
2065 else
2066 img = dri2_dpy->image->createImageFromFds(dri2_dpy->dri_screen,
2067 buffer->width,
2068 buffer->height,
2069 buffer->format,
2070 &fd, 1,
2071 buffer->stride,
2072 buffer->offset,
2073 NULL);
2074
2075 if (img == NULL)
2076 return;
2077
2078 dri2_dpy->image->queryImage(img, __DRI_IMAGE_ATTRIB_COMPONENTS, &dri_components);
2079
2080 buffer->driver_format = NULL;
2081 for (i = 0; i < ARRAY_SIZE(wl_drm_components); i++)
2082 if (wl_drm_components[i].dri_components == dri_components)
2083 buffer->driver_format = &wl_drm_components[i];
2084
2085 if (buffer->driver_format == NULL)
2086 dri2_dpy->image->destroyImage(img);
2087 else
2088 buffer->driver_buffer = img;
2089 }
2090
2091 static void
2092 dri2_wl_release_buffer(void *user_data, struct wl_drm_buffer *buffer)
2093 {
2094 _EGLDisplay *disp = user_data;
2095 struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
2096
2097 dri2_dpy->image->destroyImage(buffer->driver_buffer);
2098 }
2099
2100 static struct wayland_drm_callbacks wl_drm_callbacks = {
2101 .authenticate = NULL,
2102 .reference_buffer = dri2_wl_reference_buffer,
2103 .release_buffer = dri2_wl_release_buffer
2104 };
2105
2106 static EGLBoolean
2107 dri2_bind_wayland_display_wl(_EGLDriver *drv, _EGLDisplay *disp,
2108 struct wl_display *wl_dpy)
2109 {
2110 struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
2111 int flags = 0;
2112 uint64_t cap;
2113
2114 (void) drv;
2115
2116 if (dri2_dpy->wl_server_drm)
2117 return EGL_FALSE;
2118
2119 wl_drm_callbacks.authenticate =
2120 (int(*)(void *, uint32_t)) dri2_dpy->vtbl->authenticate;
2121
2122 #ifdef HAVE_LIBDRM
2123 if (drmGetCap(dri2_dpy->fd, DRM_CAP_PRIME, &cap) == 0 &&
2124 cap == (DRM_PRIME_CAP_IMPORT | DRM_PRIME_CAP_EXPORT) &&
2125 dri2_dpy->image->base.version >= 7 &&
2126 dri2_dpy->image->createImageFromFds != NULL)
2127 flags |= WAYLAND_DRM_PRIME;
2128 #endif
2129
2130 dri2_dpy->wl_server_drm =
2131 wayland_drm_init(wl_dpy, dri2_dpy->device_name,
2132 &wl_drm_callbacks, disp, flags);
2133
2134 if (!dri2_dpy->wl_server_drm)
2135 return EGL_FALSE;
2136
2137 #ifdef HAVE_DRM_PLATFORM
2138 /* We have to share the wl_drm instance with gbm, so gbm can convert
2139 * wl_buffers to gbm bos. */
2140 if (dri2_dpy->gbm_dri)
2141 dri2_dpy->gbm_dri->wl_drm = dri2_dpy->wl_server_drm;
2142 #endif
2143
2144 return EGL_TRUE;
2145 }
2146
2147 static EGLBoolean
2148 dri2_unbind_wayland_display_wl(_EGLDriver *drv, _EGLDisplay *disp,
2149 struct wl_display *wl_dpy)
2150 {
2151 struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
2152
2153 (void) drv;
2154
2155 if (!dri2_dpy->wl_server_drm)
2156 return EGL_FALSE;
2157
2158 wayland_drm_uninit(dri2_dpy->wl_server_drm);
2159 dri2_dpy->wl_server_drm = NULL;
2160
2161 return EGL_TRUE;
2162 }
2163
2164 static EGLBoolean
2165 dri2_query_wayland_buffer_wl(_EGLDriver *drv, _EGLDisplay *disp,
2166 struct wl_resource *buffer_resource,
2167 EGLint attribute, EGLint *value)
2168 {
2169 struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
2170 struct wl_drm_buffer *buffer;
2171 const struct wl_drm_components_descriptor *format;
2172
2173 buffer = wayland_drm_buffer_get(dri2_dpy->wl_server_drm, buffer_resource);
2174 if (!buffer)
2175 return EGL_FALSE;
2176
2177 format = buffer->driver_format;
2178 switch (attribute) {
2179 case EGL_TEXTURE_FORMAT:
2180 *value = format->components;
2181 return EGL_TRUE;
2182 case EGL_WIDTH:
2183 *value = buffer->width;
2184 return EGL_TRUE;
2185 case EGL_HEIGHT:
2186 *value = buffer->height;
2187 return EGL_TRUE;
2188 }
2189
2190 return EGL_FALSE;
2191 }
2192 #endif
2193
2194 static void
2195 dri2_egl_ref_sync(struct dri2_egl_sync *sync)
2196 {
2197 p_atomic_inc(&sync->refcount);
2198 }
2199
2200 static void
2201 dri2_egl_unref_sync(struct dri2_egl_display *dri2_dpy,
2202 struct dri2_egl_sync *dri2_sync)
2203 {
2204 if (p_atomic_dec_zero(&dri2_sync->refcount)) {
2205 dri2_dpy->fence->destroy_fence(dri2_dpy->dri_screen, dri2_sync->fence);
2206 free(dri2_sync);
2207 }
2208 }
2209
2210 static _EGLSync *
2211 dri2_create_sync(_EGLDriver *drv, _EGLDisplay *dpy,
2212 EGLenum type, const EGLint *attrib_list,
2213 const EGLAttribKHR *attrib_list64)
2214 {
2215 _EGLContext *ctx = _eglGetCurrentContext();
2216 struct dri2_egl_display *dri2_dpy = dri2_egl_display(dpy);
2217 struct dri2_egl_context *dri2_ctx = dri2_egl_context(ctx);
2218 struct dri2_egl_sync *dri2_sync;
2219
2220 dri2_sync = calloc(1, sizeof(struct dri2_egl_sync));
2221 if (!dri2_sync) {
2222 _eglError(EGL_BAD_ALLOC, "eglCreateSyncKHR");
2223 return NULL;
2224 }
2225
2226 if (!_eglInitSync(&dri2_sync->base, dpy, type, attrib_list,
2227 attrib_list64)) {
2228 free(dri2_sync);
2229 return NULL;
2230 }
2231
2232 switch (type) {
2233 case EGL_SYNC_FENCE_KHR:
2234 dri2_sync->fence = dri2_dpy->fence->create_fence(dri2_ctx->dri_context);
2235 break;
2236
2237 case EGL_SYNC_CL_EVENT_KHR:
2238 dri2_sync->fence = dri2_dpy->fence->get_fence_from_cl_event(
2239 dri2_dpy->dri_screen,
2240 dri2_sync->base.CLEvent);
2241 /* this can only happen if the cl_event passed in is invalid. */
2242 if (!dri2_sync->fence) {
2243 _eglError(EGL_BAD_ATTRIBUTE, "eglCreateSyncKHR");
2244 free(dri2_sync);
2245 return NULL;
2246 }
2247
2248 /* the initial status must be "signaled" if the cl_event is signaled */
2249 if (dri2_dpy->fence->client_wait_sync(dri2_ctx->dri_context,
2250 dri2_sync->fence, 0, 0))
2251 dri2_sync->base.SyncStatus = EGL_SIGNALED_KHR;
2252 break;
2253 }
2254
2255 p_atomic_set(&dri2_sync->refcount, 1);
2256 return &dri2_sync->base;
2257 }
2258
2259 static EGLBoolean
2260 dri2_destroy_sync(_EGLDriver *drv, _EGLDisplay *dpy, _EGLSync *sync)
2261 {
2262 struct dri2_egl_display *dri2_dpy = dri2_egl_display(dpy);
2263 struct dri2_egl_sync *dri2_sync = dri2_egl_sync(sync);
2264
2265 dri2_egl_unref_sync(dri2_dpy, dri2_sync);
2266 return EGL_TRUE;
2267 }
2268
2269 static EGLint
2270 dri2_client_wait_sync(_EGLDriver *drv, _EGLDisplay *dpy, _EGLSync *sync,
2271 EGLint flags, EGLTimeKHR timeout)
2272 {
2273 _EGLContext *ctx = _eglGetCurrentContext();
2274 struct dri2_egl_display *dri2_dpy = dri2_egl_display(dpy);
2275 struct dri2_egl_context *dri2_ctx = dri2_egl_context(ctx);
2276 struct dri2_egl_sync *dri2_sync = dri2_egl_sync(sync);
2277 unsigned wait_flags = 0;
2278 EGLint ret = EGL_CONDITION_SATISFIED_KHR;
2279
2280 if (flags & EGL_SYNC_FLUSH_COMMANDS_BIT_KHR)
2281 wait_flags |= __DRI2_FENCE_FLAG_FLUSH_COMMANDS;
2282
2283 /* the sync object should take a reference while waiting */
2284 dri2_egl_ref_sync(dri2_sync);
2285
2286 if (dri2_dpy->fence->client_wait_sync(dri2_ctx->dri_context,
2287 dri2_sync->fence, wait_flags,
2288 timeout))
2289 dri2_sync->base.SyncStatus = EGL_SIGNALED_KHR;
2290 else
2291 ret = EGL_TIMEOUT_EXPIRED_KHR;
2292
2293 dri2_egl_unref_sync(dri2_dpy, dri2_sync);
2294 return ret;
2295 }
2296
2297 static EGLint
2298 dri2_server_wait_sync(_EGLDriver *drv, _EGLDisplay *dpy, _EGLSync *sync)
2299 {
2300 _EGLContext *ctx = _eglGetCurrentContext();
2301 struct dri2_egl_display *dri2_dpy = dri2_egl_display(dpy);
2302 struct dri2_egl_context *dri2_ctx = dri2_egl_context(ctx);
2303 struct dri2_egl_sync *dri2_sync = dri2_egl_sync(sync);
2304
2305 dri2_dpy->fence->server_wait_sync(dri2_ctx->dri_context,
2306 dri2_sync->fence, 0);
2307 return EGL_TRUE;
2308 }
2309
2310 static void
2311 dri2_unload(_EGLDriver *drv)
2312 {
2313 struct dri2_egl_driver *dri2_drv = dri2_egl_driver(drv);
2314
2315 if (dri2_drv->handle)
2316 dlclose(dri2_drv->handle);
2317 free(dri2_drv);
2318 }
2319
2320 static EGLBoolean
2321 dri2_load(_EGLDriver *drv)
2322 {
2323 struct dri2_egl_driver *dri2_drv = dri2_egl_driver(drv);
2324 #ifdef HAVE_SHARED_GLAPI
2325 #ifdef HAVE_ANDROID_PLATFORM
2326 const char *libname = "libglapi.so";
2327 #else
2328 const char *libname = "libglapi.so.0";
2329 #endif
2330 #else
2331 /*
2332 * Both libGL.so and libglapi.so are glapi providers. There is no way to
2333 * tell which one to load.
2334 */
2335 const char *libname = NULL;
2336 #endif
2337 void *handle;
2338
2339 /* RTLD_GLOBAL to make sure glapi symbols are visible to DRI drivers */
2340 handle = dlopen(libname, RTLD_LAZY | RTLD_GLOBAL);
2341 if (handle) {
2342 dri2_drv->get_proc_address = (_EGLProc (*)(const char *))
2343 dlsym(handle, "_glapi_get_proc_address");
2344 if (!dri2_drv->get_proc_address || !libname) {
2345 /* no need to keep a reference */
2346 dlclose(handle);
2347 handle = NULL;
2348 }
2349 }
2350
2351 /* if glapi is not available, loading DRI drivers will fail */
2352 if (!dri2_drv->get_proc_address) {
2353 _eglLog(_EGL_WARNING, "DRI2: failed to find _glapi_get_proc_address");
2354 return EGL_FALSE;
2355 }
2356
2357 dri2_drv->glFlush = (void (*)(void))
2358 dri2_drv->get_proc_address("glFlush");
2359
2360 dri2_drv->handle = handle;
2361
2362 return EGL_TRUE;
2363 }
2364
2365 /**
2366 * This is the main entrypoint into the driver, called by libEGL.
2367 * Create a new _EGLDriver object and init its dispatch table.
2368 */
2369 _EGLDriver *
2370 _eglBuiltInDriverDRI2(const char *args)
2371 {
2372 struct dri2_egl_driver *dri2_drv;
2373
2374 (void) args;
2375
2376 dri2_drv = calloc(1, sizeof *dri2_drv);
2377 if (!dri2_drv)
2378 return NULL;
2379
2380 if (!dri2_load(&dri2_drv->base)) {
2381 free(dri2_drv);
2382 return NULL;
2383 }
2384
2385 _eglInitDriverFallbacks(&dri2_drv->base);
2386 dri2_drv->base.API.Initialize = dri2_initialize;
2387 dri2_drv->base.API.Terminate = dri2_terminate;
2388 dri2_drv->base.API.CreateContext = dri2_create_context;
2389 dri2_drv->base.API.DestroyContext = dri2_destroy_context;
2390 dri2_drv->base.API.MakeCurrent = dri2_make_current;
2391 dri2_drv->base.API.CreateWindowSurface = dri2_create_window_surface;
2392 dri2_drv->base.API.CreatePixmapSurface = dri2_create_pixmap_surface;
2393 dri2_drv->base.API.CreatePbufferSurface = dri2_create_pbuffer_surface;
2394 dri2_drv->base.API.DestroySurface = dri2_destroy_surface;
2395 dri2_drv->base.API.GetProcAddress = dri2_get_proc_address;
2396 dri2_drv->base.API.WaitClient = dri2_wait_client;
2397 dri2_drv->base.API.WaitNative = dri2_wait_native;
2398 dri2_drv->base.API.BindTexImage = dri2_bind_tex_image;
2399 dri2_drv->base.API.ReleaseTexImage = dri2_release_tex_image;
2400 dri2_drv->base.API.SwapInterval = dri2_swap_interval;
2401 dri2_drv->base.API.SwapBuffers = dri2_swap_buffers;
2402 dri2_drv->base.API.SwapBuffersWithDamageEXT = dri2_swap_buffers_with_damage;
2403 dri2_drv->base.API.SwapBuffersRegionNOK = dri2_swap_buffers_region;
2404 dri2_drv->base.API.PostSubBufferNV = dri2_post_sub_buffer;
2405 dri2_drv->base.API.CopyBuffers = dri2_copy_buffers,
2406 dri2_drv->base.API.QueryBufferAge = dri2_query_buffer_age;
2407 dri2_drv->base.API.CreateImageKHR = dri2_create_image;
2408 dri2_drv->base.API.DestroyImageKHR = dri2_destroy_image_khr;
2409 dri2_drv->base.API.CreateWaylandBufferFromImageWL = dri2_create_wayland_buffer_from_image;
2410 #ifdef HAVE_LIBDRM
2411 dri2_drv->base.API.CreateDRMImageMESA = dri2_create_drm_image_mesa;
2412 dri2_drv->base.API.ExportDRMImageMESA = dri2_export_drm_image_mesa;
2413 dri2_drv->base.API.ExportDMABUFImageQueryMESA = dri2_export_dma_buf_image_query_mesa;
2414 dri2_drv->base.API.ExportDMABUFImageMESA = dri2_export_dma_buf_image_mesa;
2415 #endif
2416 #ifdef HAVE_WAYLAND_PLATFORM
2417 dri2_drv->base.API.BindWaylandDisplayWL = dri2_bind_wayland_display_wl;
2418 dri2_drv->base.API.UnbindWaylandDisplayWL = dri2_unbind_wayland_display_wl;
2419 dri2_drv->base.API.QueryWaylandBufferWL = dri2_query_wayland_buffer_wl;
2420 #endif
2421 dri2_drv->base.API.GetSyncValuesCHROMIUM = dri2_get_sync_values_chromium;
2422 dri2_drv->base.API.CreateSyncKHR = dri2_create_sync;
2423 dri2_drv->base.API.ClientWaitSyncKHR = dri2_client_wait_sync;
2424 dri2_drv->base.API.WaitSyncKHR = dri2_server_wait_sync;
2425 dri2_drv->base.API.DestroySyncKHR = dri2_destroy_sync;
2426
2427 dri2_drv->base.Name = "DRI2";
2428 dri2_drv->base.Unload = dri2_unload;
2429
2430 return &dri2_drv->base;
2431 }