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egl: use EGL 1.5 types without suffixes
[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 unsigned i;
580
581 dri2_dpy = disp->DriverData;
582
583 if (dri2_dpy->dri2) {
584 if (dri2_dpy->dri2->base.version >= 4) {
585 dri2_dpy->dri_screen =
586 dri2_dpy->dri2->createNewScreen2(0, dri2_dpy->fd,
587 dri2_dpy->extensions,
588 dri2_dpy->driver_extensions,
589 &dri2_dpy->driver_configs, disp);
590 } else {
591 dri2_dpy->dri_screen =
592 dri2_dpy->dri2->createNewScreen(0, dri2_dpy->fd,
593 dri2_dpy->extensions,
594 &dri2_dpy->driver_configs, disp);
595 }
596 } else {
597 assert(dri2_dpy->swrast);
598 if (dri2_dpy->swrast->base.version >= 4) {
599 dri2_dpy->dri_screen =
600 dri2_dpy->swrast->createNewScreen2(0, dri2_dpy->extensions,
601 dri2_dpy->driver_extensions,
602 &dri2_dpy->driver_configs, disp);
603 } else {
604 dri2_dpy->dri_screen =
605 dri2_dpy->swrast->createNewScreen(0, dri2_dpy->extensions,
606 &dri2_dpy->driver_configs, disp);
607 }
608 }
609
610 if (dri2_dpy->dri_screen == NULL) {
611 _eglLog(_EGL_WARNING, "DRI2: failed to create dri screen");
612 return EGL_FALSE;
613 }
614
615 dri2_dpy->own_dri_screen = 1;
616
617 extensions = dri2_dpy->core->getExtensions(dri2_dpy->dri_screen);
618
619 if (dri2_dpy->dri2) {
620 if (!dri2_bind_extensions(dri2_dpy, dri2_core_extensions, extensions))
621 goto cleanup_dri_screen;
622 } else {
623 assert(dri2_dpy->swrast);
624 if (!dri2_bind_extensions(dri2_dpy, swrast_core_extensions, extensions))
625 goto cleanup_dri_screen;
626 }
627
628 for (i = 0; extensions[i]; i++) {
629 if (strcmp(extensions[i]->name, __DRI2_ROBUSTNESS) == 0) {
630 dri2_dpy->robustness = (__DRIrobustnessExtension *) extensions[i];
631 }
632 if (strcmp(extensions[i]->name, __DRI2_CONFIG_QUERY) == 0) {
633 dri2_dpy->config = (__DRI2configQueryExtension *) extensions[i];
634 }
635 if (strcmp(extensions[i]->name, __DRI2_FENCE) == 0) {
636 dri2_dpy->fence = (__DRI2fenceExtension *) extensions[i];
637 }
638 }
639
640 dri2_setup_screen(disp);
641
642 return EGL_TRUE;
643
644 cleanup_dri_screen:
645 dri2_dpy->core->destroyScreen(dri2_dpy->dri_screen);
646
647 return EGL_FALSE;
648 }
649
650 /**
651 * Called via eglInitialize(), GLX_drv->API.Initialize().
652 */
653 static EGLBoolean
654 dri2_initialize(_EGLDriver *drv, _EGLDisplay *disp)
655 {
656 /* not until swrast_dri is supported */
657 if (disp->Options.UseFallback)
658 return EGL_FALSE;
659
660 switch (disp->Platform) {
661 #ifdef HAVE_X11_PLATFORM
662 case _EGL_PLATFORM_X11:
663 if (disp->Options.TestOnly)
664 return EGL_TRUE;
665 return dri2_initialize_x11(drv, disp);
666 #endif
667
668 #ifdef HAVE_DRM_PLATFORM
669 case _EGL_PLATFORM_DRM:
670 if (disp->Options.TestOnly)
671 return EGL_TRUE;
672 return dri2_initialize_drm(drv, disp);
673 #endif
674 #ifdef HAVE_WAYLAND_PLATFORM
675 case _EGL_PLATFORM_WAYLAND:
676 if (disp->Options.TestOnly)
677 return EGL_TRUE;
678 return dri2_initialize_wayland(drv, disp);
679 #endif
680 #ifdef HAVE_ANDROID_PLATFORM
681 case _EGL_PLATFORM_ANDROID:
682 if (disp->Options.TestOnly)
683 return EGL_TRUE;
684 return dri2_initialize_android(drv, disp);
685 #endif
686
687 default:
688 _eglLog(_EGL_WARNING, "No EGL platform enabled.");
689 return EGL_FALSE;
690 }
691 }
692
693 /**
694 * Called via eglTerminate(), drv->API.Terminate().
695 */
696 static EGLBoolean
697 dri2_terminate(_EGLDriver *drv, _EGLDisplay *disp)
698 {
699 struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
700 unsigned i;
701
702 _eglReleaseDisplayResources(drv, disp);
703 _eglCleanupDisplay(disp);
704
705 if (dri2_dpy->own_dri_screen)
706 dri2_dpy->core->destroyScreen(dri2_dpy->dri_screen);
707 if (dri2_dpy->fd)
708 close(dri2_dpy->fd);
709 if (dri2_dpy->driver)
710 dlclose(dri2_dpy->driver);
711 free(dri2_dpy->device_name);
712 free(dri2_dpy->driver_name);
713
714 switch (disp->Platform) {
715 #ifdef HAVE_X11_PLATFORM
716 case _EGL_PLATFORM_X11:
717 if (dri2_dpy->own_device) {
718 xcb_disconnect(dri2_dpy->conn);
719 }
720 break;
721 #endif
722 #ifdef HAVE_DRM_PLATFORM
723 case _EGL_PLATFORM_DRM:
724 if (dri2_dpy->own_device) {
725 gbm_device_destroy(&dri2_dpy->gbm_dri->base.base);
726 }
727 break;
728 #endif
729 #ifdef HAVE_WAYLAND_PLATFORM
730 case _EGL_PLATFORM_WAYLAND:
731 if (dri2_dpy->wl_drm)
732 wl_drm_destroy(dri2_dpy->wl_drm);
733 if (dri2_dpy->wl_shm)
734 wl_shm_destroy(dri2_dpy->wl_shm);
735 wl_registry_destroy(dri2_dpy->wl_registry);
736 wl_event_queue_destroy(dri2_dpy->wl_queue);
737 if (dri2_dpy->own_device) {
738 wl_display_disconnect(dri2_dpy->wl_dpy);
739 }
740 break;
741 #endif
742 default:
743 break;
744 }
745
746 /* The drm platform does not create the screen/driver_configs but reuses
747 * the ones from the gbm device. As such the gbm itself is responsible
748 * for the cleanup.
749 */
750 if (disp->Platform != _EGL_PLATFORM_DRM) {
751 for (i = 0; dri2_dpy->driver_configs[i]; i++)
752 free((__DRIconfig *) dri2_dpy->driver_configs[i]);
753 free(dri2_dpy->driver_configs);
754 }
755 free(dri2_dpy);
756 disp->DriverData = NULL;
757
758 return EGL_TRUE;
759 }
760
761 /**
762 * Set the error code after a call to
763 * dri2_egl_display::dri2::createContextAttribs.
764 */
765 static void
766 dri2_create_context_attribs_error(int dri_error)
767 {
768 EGLint egl_error;
769
770 switch (dri_error) {
771 case __DRI_CTX_ERROR_SUCCESS:
772 return;
773
774 case __DRI_CTX_ERROR_NO_MEMORY:
775 egl_error = EGL_BAD_ALLOC;
776 break;
777
778 /* From the EGL_KHR_create_context spec, section "Errors":
779 *
780 * * If <config> does not support a client API context compatible
781 * with the requested API major and minor version, [...] context flags,
782 * and context reset notification behavior (for client API types where
783 * these attributes are supported), then an EGL_BAD_MATCH error is
784 * generated.
785 *
786 * * If an OpenGL ES context is requested and the values for
787 * attributes EGL_CONTEXT_MAJOR_VERSION_KHR and
788 * EGL_CONTEXT_MINOR_VERSION_KHR specify an OpenGL ES version that
789 * is not defined, than an EGL_BAD_MATCH error is generated.
790 *
791 * * If an OpenGL context is requested, the requested version is
792 * greater than 3.2, and the value for attribute
793 * EGL_CONTEXT_OPENGL_PROFILE_MASK_KHR has no bits set; has any
794 * bits set other than EGL_CONTEXT_OPENGL_CORE_PROFILE_BIT_KHR and
795 * EGL_CONTEXT_OPENGL_COMPATIBILITY_PROFILE_BIT_KHR; has more than
796 * one of these bits set; or if the implementation does not support
797 * the requested profile, then an EGL_BAD_MATCH error is generated.
798 */
799 case __DRI_CTX_ERROR_BAD_API:
800 case __DRI_CTX_ERROR_BAD_VERSION:
801 case __DRI_CTX_ERROR_BAD_FLAG:
802 egl_error = EGL_BAD_MATCH;
803 break;
804
805 /* From the EGL_KHR_create_context spec, section "Errors":
806 *
807 * * If an attribute name or attribute value in <attrib_list> is not
808 * recognized (including unrecognized bits in bitmask attributes),
809 * then an EGL_BAD_ATTRIBUTE error is generated."
810 */
811 case __DRI_CTX_ERROR_UNKNOWN_ATTRIBUTE:
812 case __DRI_CTX_ERROR_UNKNOWN_FLAG:
813 egl_error = EGL_BAD_ATTRIBUTE;
814 break;
815
816 default:
817 assert(0);
818 egl_error = EGL_BAD_MATCH;
819 break;
820 }
821
822 _eglError(egl_error, "dri2_create_context");
823 }
824
825 /**
826 * Called via eglCreateContext(), drv->API.CreateContext().
827 */
828 static _EGLContext *
829 dri2_create_context(_EGLDriver *drv, _EGLDisplay *disp, _EGLConfig *conf,
830 _EGLContext *share_list, const EGLint *attrib_list)
831 {
832 struct dri2_egl_context *dri2_ctx;
833 struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
834 struct dri2_egl_context *dri2_ctx_shared = dri2_egl_context(share_list);
835 __DRIcontext *shared =
836 dri2_ctx_shared ? dri2_ctx_shared->dri_context : NULL;
837 struct dri2_egl_config *dri2_config = dri2_egl_config(conf);
838 const __DRIconfig *dri_config;
839 int api;
840
841 (void) drv;
842
843 dri2_ctx = malloc(sizeof *dri2_ctx);
844 if (!dri2_ctx) {
845 _eglError(EGL_BAD_ALLOC, "eglCreateContext");
846 return NULL;
847 }
848
849 if (!_eglInitContext(&dri2_ctx->base, disp, conf, attrib_list))
850 goto cleanup;
851
852 switch (dri2_ctx->base.ClientAPI) {
853 case EGL_OPENGL_ES_API:
854 switch (dri2_ctx->base.ClientMajorVersion) {
855 case 1:
856 api = __DRI_API_GLES;
857 break;
858 case 2:
859 api = __DRI_API_GLES2;
860 break;
861 case 3:
862 api = __DRI_API_GLES3;
863 break;
864 default:
865 _eglError(EGL_BAD_PARAMETER, "eglCreateContext");
866 free(dri2_ctx);
867 return NULL;
868 }
869 break;
870 case EGL_OPENGL_API:
871 if ((dri2_ctx->base.ClientMajorVersion >= 4
872 || (dri2_ctx->base.ClientMajorVersion == 3
873 && dri2_ctx->base.ClientMinorVersion >= 2))
874 && dri2_ctx->base.Profile == EGL_CONTEXT_OPENGL_CORE_PROFILE_BIT_KHR)
875 api = __DRI_API_OPENGL_CORE;
876 else
877 api = __DRI_API_OPENGL;
878 break;
879 default:
880 _eglError(EGL_BAD_PARAMETER, "eglCreateContext");
881 free(dri2_ctx);
882 return NULL;
883 }
884
885 if (conf != NULL) {
886 /* The config chosen here isn't necessarily
887 * used for surfaces later.
888 * A pixmap surface will use the single config.
889 * This opportunity depends on disabling the
890 * doubleBufferMode check in
891 * src/mesa/main/context.c:check_compatible()
892 */
893 if (dri2_config->dri_double_config)
894 dri_config = dri2_config->dri_double_config;
895 else
896 dri_config = dri2_config->dri_single_config;
897
898 /* EGL_WINDOW_BIT is set only when there is a dri_double_config. This
899 * makes sure the back buffer will always be used.
900 */
901 if (conf->SurfaceType & EGL_WINDOW_BIT)
902 dri2_ctx->base.WindowRenderBuffer = EGL_BACK_BUFFER;
903 }
904 else
905 dri_config = NULL;
906
907 if (dri2_dpy->dri2) {
908 if (dri2_dpy->dri2->base.version >= 3) {
909 unsigned error;
910 unsigned num_attribs = 0;
911 uint32_t ctx_attribs[8];
912
913 ctx_attribs[num_attribs++] = __DRI_CTX_ATTRIB_MAJOR_VERSION;
914 ctx_attribs[num_attribs++] = dri2_ctx->base.ClientMajorVersion;
915 ctx_attribs[num_attribs++] = __DRI_CTX_ATTRIB_MINOR_VERSION;
916 ctx_attribs[num_attribs++] = dri2_ctx->base.ClientMinorVersion;
917
918 if (dri2_ctx->base.Flags != 0) {
919 /* If the implementation doesn't support the __DRI2_ROBUSTNESS
920 * extension, don't even try to send it the robust-access flag.
921 * It may explode. Instead, generate the required EGL error here.
922 */
923 if ((dri2_ctx->base.Flags & EGL_CONTEXT_OPENGL_ROBUST_ACCESS_BIT_KHR) != 0
924 && !dri2_dpy->robustness) {
925 _eglError(EGL_BAD_MATCH, "eglCreateContext");
926 goto cleanup;
927 }
928
929 ctx_attribs[num_attribs++] = __DRI_CTX_ATTRIB_FLAGS;
930 ctx_attribs[num_attribs++] = dri2_ctx->base.Flags;
931 }
932
933 if (dri2_ctx->base.ResetNotificationStrategy != EGL_NO_RESET_NOTIFICATION_KHR) {
934 /* If the implementation doesn't support the __DRI2_ROBUSTNESS
935 * extension, don't even try to send it a reset strategy. It may
936 * explode. Instead, generate the required EGL error here.
937 */
938 if (!dri2_dpy->robustness) {
939 _eglError(EGL_BAD_CONFIG, "eglCreateContext");
940 goto cleanup;
941 }
942
943 ctx_attribs[num_attribs++] = __DRI_CTX_ATTRIB_RESET_STRATEGY;
944 ctx_attribs[num_attribs++] = __DRI_CTX_RESET_LOSE_CONTEXT;
945 }
946
947 assert(num_attribs <= ARRAY_SIZE(ctx_attribs));
948
949 dri2_ctx->dri_context =
950 dri2_dpy->dri2->createContextAttribs(dri2_dpy->dri_screen,
951 api,
952 dri_config,
953 shared,
954 num_attribs / 2,
955 ctx_attribs,
956 & error,
957 dri2_ctx);
958 dri2_create_context_attribs_error(error);
959 } else {
960 dri2_ctx->dri_context =
961 dri2_dpy->dri2->createNewContextForAPI(dri2_dpy->dri_screen,
962 api,
963 dri_config,
964 shared,
965 dri2_ctx);
966 }
967 } else {
968 assert(dri2_dpy->swrast);
969 dri2_ctx->dri_context =
970 dri2_dpy->swrast->createNewContextForAPI(dri2_dpy->dri_screen,
971 api,
972 dri_config,
973 shared,
974 dri2_ctx);
975 }
976
977 if (!dri2_ctx->dri_context)
978 goto cleanup;
979
980 return &dri2_ctx->base;
981
982 cleanup:
983 free(dri2_ctx);
984 return NULL;
985 }
986
987 /**
988 * Called via eglDestroyContext(), drv->API.DestroyContext().
989 */
990 static EGLBoolean
991 dri2_destroy_context(_EGLDriver *drv, _EGLDisplay *disp, _EGLContext *ctx)
992 {
993 struct dri2_egl_context *dri2_ctx = dri2_egl_context(ctx);
994 struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
995
996 if (_eglPutContext(ctx)) {
997 dri2_dpy->core->destroyContext(dri2_ctx->dri_context);
998 free(dri2_ctx);
999 }
1000
1001 return EGL_TRUE;
1002 }
1003
1004 /**
1005 * Called via eglMakeCurrent(), drv->API.MakeCurrent().
1006 */
1007 static EGLBoolean
1008 dri2_make_current(_EGLDriver *drv, _EGLDisplay *disp, _EGLSurface *dsurf,
1009 _EGLSurface *rsurf, _EGLContext *ctx)
1010 {
1011 struct dri2_egl_driver *dri2_drv = dri2_egl_driver(drv);
1012 struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
1013 struct dri2_egl_surface *dri2_dsurf = dri2_egl_surface(dsurf);
1014 struct dri2_egl_surface *dri2_rsurf = dri2_egl_surface(rsurf);
1015 struct dri2_egl_context *dri2_ctx = dri2_egl_context(ctx);
1016 _EGLContext *old_ctx;
1017 _EGLSurface *old_dsurf, *old_rsurf;
1018 __DRIdrawable *ddraw, *rdraw;
1019 __DRIcontext *cctx;
1020
1021 /* make new bindings */
1022 if (!_eglBindContext(ctx, dsurf, rsurf, &old_ctx, &old_dsurf, &old_rsurf))
1023 return EGL_FALSE;
1024
1025 /* flush before context switch */
1026 if (old_ctx && dri2_drv->glFlush)
1027 dri2_drv->glFlush();
1028
1029 ddraw = (dri2_dsurf) ? dri2_dsurf->dri_drawable : NULL;
1030 rdraw = (dri2_rsurf) ? dri2_rsurf->dri_drawable : NULL;
1031 cctx = (dri2_ctx) ? dri2_ctx->dri_context : NULL;
1032
1033 if (old_ctx) {
1034 __DRIcontext *old_cctx = dri2_egl_context(old_ctx)->dri_context;
1035 dri2_dpy->core->unbindContext(old_cctx);
1036 }
1037
1038 if ((cctx == NULL && ddraw == NULL && rdraw == NULL) ||
1039 dri2_dpy->core->bindContext(cctx, ddraw, rdraw)) {
1040 if (old_dsurf)
1041 drv->API.DestroySurface(drv, disp, old_dsurf);
1042 if (old_rsurf)
1043 drv->API.DestroySurface(drv, disp, old_rsurf);
1044 if (old_ctx)
1045 drv->API.DestroyContext(drv, disp, old_ctx);
1046
1047 return EGL_TRUE;
1048 } else {
1049 /* undo the previous _eglBindContext */
1050 _eglBindContext(old_ctx, old_dsurf, old_rsurf, &ctx, &dsurf, &rsurf);
1051 assert(&dri2_ctx->base == ctx &&
1052 &dri2_dsurf->base == dsurf &&
1053 &dri2_rsurf->base == rsurf);
1054
1055 _eglPutSurface(dsurf);
1056 _eglPutSurface(rsurf);
1057 _eglPutContext(ctx);
1058
1059 _eglPutSurface(old_dsurf);
1060 _eglPutSurface(old_rsurf);
1061 _eglPutContext(old_ctx);
1062
1063 return EGL_FALSE;
1064 }
1065 }
1066
1067 /*
1068 * Called from eglGetProcAddress() via drv->API.GetProcAddress().
1069 */
1070 static _EGLProc
1071 dri2_get_proc_address(_EGLDriver *drv, const char *procname)
1072 {
1073 struct dri2_egl_driver *dri2_drv = dri2_egl_driver(drv);
1074
1075 return dri2_drv->get_proc_address(procname);
1076 }
1077
1078 static _EGLSurface*
1079 dri2_create_window_surface(_EGLDriver *drv, _EGLDisplay *dpy,
1080 _EGLConfig *conf, void *native_window,
1081 const EGLint *attrib_list)
1082 {
1083 struct dri2_egl_display *dri2_dpy = dri2_egl_display(dpy);
1084 return dri2_dpy->vtbl->create_window_surface(drv, dpy, conf, native_window,
1085 attrib_list);
1086 }
1087
1088 static _EGLSurface*
1089 dri2_create_pixmap_surface(_EGLDriver *drv, _EGLDisplay *dpy,
1090 _EGLConfig *conf, void *native_pixmap,
1091 const EGLint *attrib_list)
1092 {
1093 struct dri2_egl_display *dri2_dpy = dri2_egl_display(dpy);
1094 return dri2_dpy->vtbl->create_pixmap_surface(drv, dpy, conf, native_pixmap,
1095 attrib_list);
1096 }
1097
1098 static _EGLSurface*
1099 dri2_create_pbuffer_surface(_EGLDriver *drv, _EGLDisplay *dpy,
1100 _EGLConfig *conf, const EGLint *attrib_list)
1101 {
1102 struct dri2_egl_display *dri2_dpy = dri2_egl_display(dpy);
1103 return dri2_dpy->vtbl->create_pbuffer_surface(drv, dpy, conf, attrib_list);
1104 }
1105
1106 static EGLBoolean
1107 dri2_destroy_surface(_EGLDriver *drv, _EGLDisplay *dpy, _EGLSurface *surf)
1108 {
1109 struct dri2_egl_display *dri2_dpy = dri2_egl_display(dpy);
1110 return dri2_dpy->vtbl->destroy_surface(drv, dpy, surf);
1111 }
1112
1113 static EGLBoolean
1114 dri2_swap_interval(_EGLDriver *drv, _EGLDisplay *dpy, _EGLSurface *surf,
1115 EGLint interval)
1116 {
1117 struct dri2_egl_display *dri2_dpy = dri2_egl_display(dpy);
1118 return dri2_dpy->vtbl->swap_interval(drv, dpy, surf, interval);
1119 }
1120
1121 /**
1122 * Asks the client API to flush any rendering to the drawable so that we can
1123 * do our swapbuffers.
1124 */
1125 void
1126 dri2_flush_drawable_for_swapbuffers(_EGLDisplay *disp, _EGLSurface *draw)
1127 {
1128 struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
1129 struct dri2_egl_surface *dri2_surf = dri2_egl_surface(draw);
1130
1131 if (dri2_dpy->flush) {
1132 if (dri2_dpy->flush->base.version >= 4) {
1133 /* We know there's a current context because:
1134 *
1135 * "If surface is not bound to the calling thread’s current
1136 * context, an EGL_BAD_SURFACE error is generated."
1137 */
1138 _EGLContext *ctx = _eglGetCurrentContext();
1139 struct dri2_egl_context *dri2_ctx = dri2_egl_context(ctx);
1140
1141 /* From the EGL 1.4 spec (page 52):
1142 *
1143 * "The contents of ancillary buffers are always undefined
1144 * after calling eglSwapBuffers."
1145 */
1146 dri2_dpy->flush->flush_with_flags(dri2_ctx->dri_context,
1147 dri2_surf->dri_drawable,
1148 __DRI2_FLUSH_DRAWABLE |
1149 __DRI2_FLUSH_INVALIDATE_ANCILLARY,
1150 __DRI2_THROTTLE_SWAPBUFFER);
1151 } else {
1152 dri2_dpy->flush->flush(dri2_surf->dri_drawable);
1153 }
1154 }
1155 }
1156
1157 static EGLBoolean
1158 dri2_swap_buffers(_EGLDriver *drv, _EGLDisplay *dpy, _EGLSurface *surf)
1159 {
1160 struct dri2_egl_display *dri2_dpy = dri2_egl_display(dpy);
1161 return dri2_dpy->vtbl->swap_buffers(drv, dpy, surf);
1162 }
1163
1164 static EGLBoolean
1165 dri2_swap_buffers_with_damage(_EGLDriver *drv, _EGLDisplay *dpy,
1166 _EGLSurface *surf,
1167 const EGLint *rects, EGLint n_rects)
1168 {
1169 struct dri2_egl_display *dri2_dpy = dri2_egl_display(dpy);
1170 return dri2_dpy->vtbl->swap_buffers_with_damage(drv, dpy, surf,
1171 rects, n_rects);
1172 }
1173
1174 static EGLBoolean
1175 dri2_swap_buffers_region(_EGLDriver *drv, _EGLDisplay *dpy, _EGLSurface *surf,
1176 EGLint numRects, const EGLint *rects)
1177 {
1178 struct dri2_egl_display *dri2_dpy = dri2_egl_display(dpy);
1179 return dri2_dpy->vtbl->swap_buffers_region(drv, dpy, surf, numRects, rects);
1180 }
1181
1182 static EGLBoolean
1183 dri2_post_sub_buffer(_EGLDriver *drv, _EGLDisplay *dpy, _EGLSurface *surf,
1184 EGLint x, EGLint y, EGLint width, EGLint height)
1185 {
1186 struct dri2_egl_display *dri2_dpy = dri2_egl_display(dpy);
1187 return dri2_dpy->vtbl->post_sub_buffer(drv, dpy, surf, x, y, width, height);
1188 }
1189
1190 static EGLBoolean
1191 dri2_copy_buffers(_EGLDriver *drv, _EGLDisplay *dpy, _EGLSurface *surf,
1192 void *native_pixmap_target)
1193 {
1194 struct dri2_egl_display *dri2_dpy = dri2_egl_display(dpy);
1195 return dri2_dpy->vtbl->copy_buffers(drv, dpy, surf, native_pixmap_target);
1196 }
1197
1198 static EGLint
1199 dri2_query_buffer_age(_EGLDriver *drv, _EGLDisplay *dpy, _EGLSurface *surf)
1200 {
1201 struct dri2_egl_display *dri2_dpy = dri2_egl_display(dpy);
1202 return dri2_dpy->vtbl->query_buffer_age(drv, dpy, surf);
1203 }
1204
1205 static EGLBoolean
1206 dri2_wait_client(_EGLDriver *drv, _EGLDisplay *disp, _EGLContext *ctx)
1207 {
1208 struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
1209 struct dri2_egl_surface *dri2_surf = dri2_egl_surface(ctx->DrawSurface);
1210
1211 (void) drv;
1212
1213 /* FIXME: If EGL allows frontbuffer rendering for window surfaces,
1214 * we need to copy fake to real here.*/
1215
1216 if (dri2_dpy->flush != NULL)
1217 dri2_dpy->flush->flush(dri2_surf->dri_drawable);
1218
1219 return EGL_TRUE;
1220 }
1221
1222 static EGLBoolean
1223 dri2_wait_native(_EGLDriver *drv, _EGLDisplay *disp, EGLint engine)
1224 {
1225 (void) drv;
1226 (void) disp;
1227
1228 if (engine != EGL_CORE_NATIVE_ENGINE)
1229 return _eglError(EGL_BAD_PARAMETER, "eglWaitNative");
1230 /* glXWaitX(); */
1231
1232 return EGL_TRUE;
1233 }
1234
1235 static EGLBoolean
1236 dri2_bind_tex_image(_EGLDriver *drv,
1237 _EGLDisplay *disp, _EGLSurface *surf, EGLint buffer)
1238 {
1239 struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
1240 struct dri2_egl_surface *dri2_surf = dri2_egl_surface(surf);
1241 struct dri2_egl_context *dri2_ctx;
1242 _EGLContext *ctx;
1243 GLint format, target;
1244
1245 ctx = _eglGetCurrentContext();
1246 dri2_ctx = dri2_egl_context(ctx);
1247
1248 if (!_eglBindTexImage(drv, disp, surf, buffer))
1249 return EGL_FALSE;
1250
1251 switch (dri2_surf->base.TextureFormat) {
1252 case EGL_TEXTURE_RGB:
1253 format = __DRI_TEXTURE_FORMAT_RGB;
1254 break;
1255 case EGL_TEXTURE_RGBA:
1256 format = __DRI_TEXTURE_FORMAT_RGBA;
1257 break;
1258 default:
1259 assert(!"Unexpected texture format in dri2_bind_tex_image()");
1260 format = __DRI_TEXTURE_FORMAT_RGBA;
1261 }
1262
1263 switch (dri2_surf->base.TextureTarget) {
1264 case EGL_TEXTURE_2D:
1265 target = GL_TEXTURE_2D;
1266 break;
1267 default:
1268 target = GL_TEXTURE_2D;
1269 assert(!"Unexpected texture target in dri2_bind_tex_image()");
1270 }
1271
1272 (*dri2_dpy->tex_buffer->setTexBuffer2)(dri2_ctx->dri_context,
1273 target, format,
1274 dri2_surf->dri_drawable);
1275
1276 return EGL_TRUE;
1277 }
1278
1279 static EGLBoolean
1280 dri2_release_tex_image(_EGLDriver *drv,
1281 _EGLDisplay *disp, _EGLSurface *surf, EGLint buffer)
1282 {
1283 struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
1284 struct dri2_egl_surface *dri2_surf = dri2_egl_surface(surf);
1285 struct dri2_egl_context *dri2_ctx;
1286 _EGLContext *ctx;
1287 GLint target;
1288
1289 ctx = _eglGetCurrentContext();
1290 dri2_ctx = dri2_egl_context(ctx);
1291
1292 if (!_eglReleaseTexImage(drv, disp, surf, buffer))
1293 return EGL_FALSE;
1294
1295 switch (dri2_surf->base.TextureTarget) {
1296 case EGL_TEXTURE_2D:
1297 target = GL_TEXTURE_2D;
1298 break;
1299 default:
1300 assert(0);
1301 }
1302
1303 if (dri2_dpy->tex_buffer->base.version >= 3 &&
1304 dri2_dpy->tex_buffer->releaseTexBuffer != NULL) {
1305 (*dri2_dpy->tex_buffer->releaseTexBuffer)(dri2_ctx->dri_context,
1306 target,
1307 dri2_surf->dri_drawable);
1308 }
1309
1310 return EGL_TRUE;
1311 }
1312
1313 static _EGLImage*
1314 dri2_create_image(_EGLDriver *drv, _EGLDisplay *dpy, _EGLContext *ctx,
1315 EGLenum target, EGLClientBuffer buffer,
1316 const EGLint *attr_list)
1317 {
1318 struct dri2_egl_display *dri2_dpy = dri2_egl_display(dpy);
1319 return dri2_dpy->vtbl->create_image(drv, dpy, ctx, target, buffer,
1320 attr_list);
1321 }
1322
1323 static _EGLImage *
1324 dri2_create_image_from_dri(_EGLDisplay *disp, __DRIimage *dri_image)
1325 {
1326 struct dri2_egl_image *dri2_img;
1327
1328 if (dri_image == NULL) {
1329 _eglError(EGL_BAD_ALLOC, "dri2_create_image");
1330 return NULL;
1331 }
1332
1333 dri2_img = malloc(sizeof *dri2_img);
1334 if (!dri2_img) {
1335 _eglError(EGL_BAD_ALLOC, "dri2_create_image");
1336 return NULL;
1337 }
1338
1339 if (!_eglInitImage(&dri2_img->base, disp)) {
1340 free(dri2_img);
1341 return NULL;
1342 }
1343
1344 dri2_img->dri_image = dri_image;
1345
1346 return &dri2_img->base;
1347 }
1348
1349 static _EGLImage *
1350 dri2_create_image_khr_renderbuffer(_EGLDisplay *disp, _EGLContext *ctx,
1351 EGLClientBuffer buffer,
1352 const EGLint *attr_list)
1353 {
1354 struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
1355 struct dri2_egl_context *dri2_ctx = dri2_egl_context(ctx);
1356 GLuint renderbuffer = (GLuint) (uintptr_t) buffer;
1357 __DRIimage *dri_image;
1358
1359 if (renderbuffer == 0) {
1360 _eglError(EGL_BAD_PARAMETER, "dri2_create_image_khr");
1361 return EGL_NO_IMAGE_KHR;
1362 }
1363
1364 dri_image =
1365 dri2_dpy->image->createImageFromRenderbuffer(dri2_ctx->dri_context,
1366 renderbuffer, NULL);
1367
1368 return dri2_create_image_from_dri(disp, dri_image);
1369 }
1370
1371 #ifdef HAVE_LIBDRM
1372 static _EGLImage *
1373 dri2_create_image_mesa_drm_buffer(_EGLDisplay *disp, _EGLContext *ctx,
1374 EGLClientBuffer buffer, const EGLint *attr_list)
1375 {
1376 struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
1377 EGLint format, name, pitch, err;
1378 _EGLImageAttribs attrs;
1379 __DRIimage *dri_image;
1380
1381 name = (EGLint) (uintptr_t) buffer;
1382
1383 err = _eglParseImageAttribList(&attrs, disp, attr_list);
1384 if (err != EGL_SUCCESS)
1385 return NULL;
1386
1387 if (attrs.Width <= 0 || attrs.Height <= 0 ||
1388 attrs.DRMBufferStrideMESA <= 0) {
1389 _eglError(EGL_BAD_PARAMETER,
1390 "bad width, height or stride");
1391 return NULL;
1392 }
1393
1394 switch (attrs.DRMBufferFormatMESA) {
1395 case EGL_DRM_BUFFER_FORMAT_ARGB32_MESA:
1396 format = __DRI_IMAGE_FORMAT_ARGB8888;
1397 pitch = attrs.DRMBufferStrideMESA;
1398 break;
1399 default:
1400 _eglError(EGL_BAD_PARAMETER,
1401 "dri2_create_image_khr: unsupported pixmap depth");
1402 return NULL;
1403 }
1404
1405 dri_image =
1406 dri2_dpy->image->createImageFromName(dri2_dpy->dri_screen,
1407 attrs.Width,
1408 attrs.Height,
1409 format,
1410 name,
1411 pitch,
1412 NULL);
1413
1414 return dri2_create_image_from_dri(disp, dri_image);
1415 }
1416 #endif
1417
1418 #ifdef HAVE_WAYLAND_PLATFORM
1419
1420 /* This structure describes how a wl_buffer maps to one or more
1421 * __DRIimages. A wl_drm_buffer stores the wl_drm format code and the
1422 * offsets and strides of the planes in the buffer. This table maps a
1423 * wl_drm format code to a description of the planes in the buffer
1424 * that lets us create a __DRIimage for each of the planes. */
1425
1426 static const struct wl_drm_components_descriptor {
1427 uint32_t dri_components;
1428 EGLint components;
1429 int nplanes;
1430 } wl_drm_components[] = {
1431 { __DRI_IMAGE_COMPONENTS_RGB, EGL_TEXTURE_RGB, 1 },
1432 { __DRI_IMAGE_COMPONENTS_RGBA, EGL_TEXTURE_RGBA, 1 },
1433 { __DRI_IMAGE_COMPONENTS_Y_U_V, EGL_TEXTURE_Y_U_V_WL, 3 },
1434 { __DRI_IMAGE_COMPONENTS_Y_UV, EGL_TEXTURE_Y_UV_WL, 2 },
1435 { __DRI_IMAGE_COMPONENTS_Y_XUXV, EGL_TEXTURE_Y_XUXV_WL, 2 },
1436 };
1437
1438 static _EGLImage *
1439 dri2_create_image_wayland_wl_buffer(_EGLDisplay *disp, _EGLContext *ctx,
1440 EGLClientBuffer _buffer,
1441 const EGLint *attr_list)
1442 {
1443 struct wl_drm_buffer *buffer;
1444 struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
1445 const struct wl_drm_components_descriptor *f;
1446 __DRIimage *dri_image;
1447 _EGLImageAttribs attrs;
1448 EGLint err;
1449 int32_t plane;
1450
1451 buffer = wayland_drm_buffer_get(dri2_dpy->wl_server_drm,
1452 (struct wl_resource *) _buffer);
1453 if (!buffer)
1454 return NULL;
1455
1456 err = _eglParseImageAttribList(&attrs, disp, attr_list);
1457 plane = attrs.PlaneWL;
1458 if (err != EGL_SUCCESS) {
1459 _eglError(EGL_BAD_PARAMETER, "dri2_create_image_wayland_wl_buffer");
1460 return NULL;
1461 }
1462
1463 f = buffer->driver_format;
1464 if (plane < 0 || plane >= f->nplanes) {
1465 _eglError(EGL_BAD_PARAMETER,
1466 "dri2_create_image_wayland_wl_buffer (plane out of bounds)");
1467 return NULL;
1468 }
1469
1470 dri_image = dri2_dpy->image->fromPlanar(buffer->driver_buffer, plane, NULL);
1471
1472 if (dri_image == NULL) {
1473 _eglError(EGL_BAD_PARAMETER, "dri2_create_image_wayland_wl_buffer");
1474 return NULL;
1475 }
1476
1477 return dri2_create_image_from_dri(disp, dri_image);
1478 }
1479 #endif
1480
1481 static EGLBoolean
1482 dri2_get_sync_values_chromium(_EGLDisplay *dpy, _EGLSurface *surf,
1483 EGLuint64KHR *ust, EGLuint64KHR *msc,
1484 EGLuint64KHR *sbc)
1485 {
1486 struct dri2_egl_display *dri2_dpy = dri2_egl_display(dpy);
1487 return dri2_dpy->vtbl->get_sync_values(dpy, surf, ust, msc, sbc);
1488 }
1489
1490 /**
1491 * Set the error code after a call to
1492 * dri2_egl_image::dri_image::createImageFromTexture.
1493 */
1494 static void
1495 dri2_create_image_khr_texture_error(int dri_error)
1496 {
1497 EGLint egl_error;
1498
1499 switch (dri_error) {
1500 case __DRI_IMAGE_ERROR_SUCCESS:
1501 return;
1502
1503 case __DRI_IMAGE_ERROR_BAD_ALLOC:
1504 egl_error = EGL_BAD_ALLOC;
1505 break;
1506
1507 case __DRI_IMAGE_ERROR_BAD_MATCH:
1508 egl_error = EGL_BAD_MATCH;
1509 break;
1510
1511 case __DRI_IMAGE_ERROR_BAD_PARAMETER:
1512 egl_error = EGL_BAD_PARAMETER;
1513 break;
1514
1515 default:
1516 assert(0);
1517 egl_error = EGL_BAD_MATCH;
1518 break;
1519 }
1520
1521 _eglError(egl_error, "dri2_create_image_khr_texture");
1522 }
1523
1524 static _EGLImage *
1525 dri2_create_image_khr_texture(_EGLDisplay *disp, _EGLContext *ctx,
1526 EGLenum target,
1527 EGLClientBuffer buffer,
1528 const EGLint *attr_list)
1529 {
1530 struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
1531 struct dri2_egl_context *dri2_ctx = dri2_egl_context(ctx);
1532 struct dri2_egl_image *dri2_img;
1533 GLuint texture = (GLuint) (uintptr_t) buffer;
1534 _EGLImageAttribs attrs;
1535 GLuint depth;
1536 GLenum gl_target;
1537 unsigned error;
1538
1539 if (texture == 0) {
1540 _eglError(EGL_BAD_PARAMETER, "dri2_create_image_khr");
1541 return EGL_NO_IMAGE_KHR;
1542 }
1543
1544 if (_eglParseImageAttribList(&attrs, disp, attr_list) != EGL_SUCCESS)
1545 return EGL_NO_IMAGE_KHR;
1546
1547 switch (target) {
1548 case EGL_GL_TEXTURE_2D_KHR:
1549 depth = 0;
1550 gl_target = GL_TEXTURE_2D;
1551 break;
1552 case EGL_GL_TEXTURE_3D_KHR:
1553 depth = attrs.GLTextureZOffset;
1554 gl_target = GL_TEXTURE_3D;
1555 break;
1556 case EGL_GL_TEXTURE_CUBE_MAP_POSITIVE_X_KHR:
1557 case EGL_GL_TEXTURE_CUBE_MAP_NEGATIVE_X_KHR:
1558 case EGL_GL_TEXTURE_CUBE_MAP_POSITIVE_Y_KHR:
1559 case EGL_GL_TEXTURE_CUBE_MAP_NEGATIVE_Y_KHR:
1560 case EGL_GL_TEXTURE_CUBE_MAP_POSITIVE_Z_KHR:
1561 case EGL_GL_TEXTURE_CUBE_MAP_NEGATIVE_Z_KHR:
1562 depth = target - EGL_GL_TEXTURE_CUBE_MAP_POSITIVE_X_KHR;
1563 gl_target = GL_TEXTURE_CUBE_MAP;
1564 break;
1565 default:
1566 _eglError(EGL_BAD_PARAMETER, "dri2_create_image_khr");
1567 return EGL_NO_IMAGE_KHR;
1568 }
1569
1570 dri2_img = malloc(sizeof *dri2_img);
1571 if (!dri2_img) {
1572 _eglError(EGL_BAD_ALLOC, "dri2_create_image_khr");
1573 return EGL_NO_IMAGE_KHR;
1574 }
1575
1576 if (!_eglInitImage(&dri2_img->base, disp)) {
1577 _eglError(EGL_BAD_ALLOC, "dri2_create_image_khr");
1578 free(dri2_img);
1579 return EGL_NO_IMAGE_KHR;
1580 }
1581
1582 dri2_img->dri_image =
1583 dri2_dpy->image->createImageFromTexture(dri2_ctx->dri_context,
1584 gl_target,
1585 texture,
1586 depth,
1587 attrs.GLTextureLevel,
1588 &error,
1589 dri2_img);
1590 dri2_create_image_khr_texture_error(error);
1591
1592 if (!dri2_img->dri_image) {
1593 free(dri2_img);
1594 return EGL_NO_IMAGE_KHR;
1595 }
1596 return &dri2_img->base;
1597 }
1598
1599 static struct wl_buffer*
1600 dri2_create_wayland_buffer_from_image(_EGLDriver *drv, _EGLDisplay *dpy,
1601 _EGLImage *img)
1602 {
1603 struct dri2_egl_display *dri2_dpy = dri2_egl_display(dpy);
1604 return dri2_dpy->vtbl->create_wayland_buffer_from_image(drv, dpy, img);
1605 }
1606
1607 #ifdef HAVE_LIBDRM
1608 static EGLBoolean
1609 dri2_check_dma_buf_attribs(const _EGLImageAttribs *attrs)
1610 {
1611 unsigned i;
1612
1613 /**
1614 * The spec says:
1615 *
1616 * "Required attributes and their values are as follows:
1617 *
1618 * * EGL_WIDTH & EGL_HEIGHT: The logical dimensions of the buffer in pixels
1619 *
1620 * * EGL_LINUX_DRM_FOURCC_EXT: The pixel format of the buffer, as specified
1621 * by drm_fourcc.h and used as the pixel_format parameter of the
1622 * drm_mode_fb_cmd2 ioctl."
1623 *
1624 * and
1625 *
1626 * "* If <target> is EGL_LINUX_DMA_BUF_EXT, and the list of attributes is
1627 * incomplete, EGL_BAD_PARAMETER is generated."
1628 */
1629 if (attrs->Width <= 0 || attrs->Height <= 0 ||
1630 !attrs->DMABufFourCC.IsPresent) {
1631 _eglError(EGL_BAD_PARAMETER, "attribute(s) missing");
1632 return EGL_FALSE;
1633 }
1634
1635 /**
1636 * Also:
1637 *
1638 * "If <target> is EGL_LINUX_DMA_BUF_EXT and one or more of the values
1639 * specified for a plane's pitch or offset isn't supported by EGL,
1640 * EGL_BAD_ACCESS is generated."
1641 */
1642 for (i = 0; i < ARRAY_SIZE(attrs->DMABufPlanePitches); ++i) {
1643 if (attrs->DMABufPlanePitches[i].IsPresent &&
1644 attrs->DMABufPlanePitches[i].Value <= 0) {
1645 _eglError(EGL_BAD_ACCESS, "invalid pitch");
1646 return EGL_FALSE;
1647 }
1648 }
1649
1650 return EGL_TRUE;
1651 }
1652
1653 /* Returns the total number of file descriptors. Zero indicates an error. */
1654 static unsigned
1655 dri2_check_dma_buf_format(const _EGLImageAttribs *attrs)
1656 {
1657 unsigned i, plane_n;
1658
1659 switch (attrs->DMABufFourCC.Value) {
1660 case DRM_FORMAT_RGB332:
1661 case DRM_FORMAT_BGR233:
1662 case DRM_FORMAT_XRGB4444:
1663 case DRM_FORMAT_XBGR4444:
1664 case DRM_FORMAT_RGBX4444:
1665 case DRM_FORMAT_BGRX4444:
1666 case DRM_FORMAT_ARGB4444:
1667 case DRM_FORMAT_ABGR4444:
1668 case DRM_FORMAT_RGBA4444:
1669 case DRM_FORMAT_BGRA4444:
1670 case DRM_FORMAT_XRGB1555:
1671 case DRM_FORMAT_XBGR1555:
1672 case DRM_FORMAT_RGBX5551:
1673 case DRM_FORMAT_BGRX5551:
1674 case DRM_FORMAT_ARGB1555:
1675 case DRM_FORMAT_ABGR1555:
1676 case DRM_FORMAT_RGBA5551:
1677 case DRM_FORMAT_BGRA5551:
1678 case DRM_FORMAT_RGB565:
1679 case DRM_FORMAT_BGR565:
1680 case DRM_FORMAT_RGB888:
1681 case DRM_FORMAT_BGR888:
1682 case DRM_FORMAT_XRGB8888:
1683 case DRM_FORMAT_XBGR8888:
1684 case DRM_FORMAT_RGBX8888:
1685 case DRM_FORMAT_BGRX8888:
1686 case DRM_FORMAT_ARGB8888:
1687 case DRM_FORMAT_ABGR8888:
1688 case DRM_FORMAT_RGBA8888:
1689 case DRM_FORMAT_BGRA8888:
1690 case DRM_FORMAT_XRGB2101010:
1691 case DRM_FORMAT_XBGR2101010:
1692 case DRM_FORMAT_RGBX1010102:
1693 case DRM_FORMAT_BGRX1010102:
1694 case DRM_FORMAT_ARGB2101010:
1695 case DRM_FORMAT_ABGR2101010:
1696 case DRM_FORMAT_RGBA1010102:
1697 case DRM_FORMAT_BGRA1010102:
1698 case DRM_FORMAT_YUYV:
1699 case DRM_FORMAT_YVYU:
1700 case DRM_FORMAT_UYVY:
1701 case DRM_FORMAT_VYUY:
1702 plane_n = 1;
1703 break;
1704 case DRM_FORMAT_NV12:
1705 case DRM_FORMAT_NV21:
1706 case DRM_FORMAT_NV16:
1707 case DRM_FORMAT_NV61:
1708 plane_n = 2;
1709 break;
1710 case DRM_FORMAT_YUV410:
1711 case DRM_FORMAT_YVU410:
1712 case DRM_FORMAT_YUV411:
1713 case DRM_FORMAT_YVU411:
1714 case DRM_FORMAT_YUV420:
1715 case DRM_FORMAT_YVU420:
1716 case DRM_FORMAT_YUV422:
1717 case DRM_FORMAT_YVU422:
1718 case DRM_FORMAT_YUV444:
1719 case DRM_FORMAT_YVU444:
1720 plane_n = 3;
1721 break;
1722 default:
1723 _eglError(EGL_BAD_ATTRIBUTE, "invalid format");
1724 return 0;
1725 }
1726
1727 /**
1728 * The spec says:
1729 *
1730 * "* If <target> is EGL_LINUX_DMA_BUF_EXT, and the list of attributes is
1731 * incomplete, EGL_BAD_PARAMETER is generated."
1732 */
1733 for (i = 0; i < plane_n; ++i) {
1734 if (!attrs->DMABufPlaneFds[i].IsPresent ||
1735 !attrs->DMABufPlaneOffsets[i].IsPresent ||
1736 !attrs->DMABufPlanePitches[i].IsPresent) {
1737 _eglError(EGL_BAD_PARAMETER, "plane attribute(s) missing");
1738 return 0;
1739 }
1740 }
1741
1742 /**
1743 * The spec also says:
1744 *
1745 * "If <target> is EGL_LINUX_DMA_BUF_EXT, and the EGL_LINUX_DRM_FOURCC_EXT
1746 * attribute indicates a single-plane format, EGL_BAD_ATTRIBUTE is
1747 * generated if any of the EGL_DMA_BUF_PLANE1_* or EGL_DMA_BUF_PLANE2_*
1748 * attributes are specified."
1749 */
1750 for (i = plane_n; i < 3; ++i) {
1751 if (attrs->DMABufPlaneFds[i].IsPresent ||
1752 attrs->DMABufPlaneOffsets[i].IsPresent ||
1753 attrs->DMABufPlanePitches[i].IsPresent) {
1754 _eglError(EGL_BAD_ATTRIBUTE, "too many plane attributes");
1755 return 0;
1756 }
1757 }
1758
1759 return plane_n;
1760 }
1761
1762 /**
1763 * The spec says:
1764 *
1765 * "If eglCreateImageKHR is successful for a EGL_LINUX_DMA_BUF_EXT target, the
1766 * EGL will take a reference to the dma_buf(s) which it will release at any
1767 * time while the EGLDisplay is initialized. It is the responsibility of the
1768 * application to close the dma_buf file descriptors."
1769 *
1770 * Therefore we must never close or otherwise modify the file descriptors.
1771 */
1772 static _EGLImage *
1773 dri2_create_image_dma_buf(_EGLDisplay *disp, _EGLContext *ctx,
1774 EGLClientBuffer buffer, const EGLint *attr_list)
1775 {
1776 struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
1777 _EGLImage *res;
1778 EGLint err;
1779 _EGLImageAttribs attrs;
1780 __DRIimage *dri_image;
1781 unsigned num_fds;
1782 unsigned i;
1783 int fds[3];
1784 int pitches[3];
1785 int offsets[3];
1786 unsigned error;
1787
1788 /**
1789 * The spec says:
1790 *
1791 * ""* If <target> is EGL_LINUX_DMA_BUF_EXT and <buffer> is not NULL, the
1792 * error EGL_BAD_PARAMETER is generated."
1793 */
1794 if (buffer != NULL) {
1795 _eglError(EGL_BAD_PARAMETER, "buffer not NULL");
1796 return NULL;
1797 }
1798
1799 err = _eglParseImageAttribList(&attrs, disp, attr_list);
1800 if (err != EGL_SUCCESS) {
1801 _eglError(err, "bad attribute");
1802 return NULL;
1803 }
1804
1805 if (!dri2_check_dma_buf_attribs(&attrs))
1806 return NULL;
1807
1808 num_fds = dri2_check_dma_buf_format(&attrs);
1809 if (!num_fds)
1810 return NULL;
1811
1812 for (i = 0; i < num_fds; ++i) {
1813 fds[i] = attrs.DMABufPlaneFds[i].Value;
1814 pitches[i] = attrs.DMABufPlanePitches[i].Value;
1815 offsets[i] = attrs.DMABufPlaneOffsets[i].Value;
1816 }
1817
1818 dri_image =
1819 dri2_dpy->image->createImageFromDmaBufs(dri2_dpy->dri_screen,
1820 attrs.Width, attrs.Height, attrs.DMABufFourCC.Value,
1821 fds, num_fds, pitches, offsets,
1822 attrs.DMABufYuvColorSpaceHint.Value,
1823 attrs.DMABufSampleRangeHint.Value,
1824 attrs.DMABufChromaHorizontalSiting.Value,
1825 attrs.DMABufChromaVerticalSiting.Value,
1826 &error,
1827 NULL);
1828 dri2_create_image_khr_texture_error(error);
1829
1830 if (!dri_image)
1831 return EGL_NO_IMAGE_KHR;
1832
1833 res = dri2_create_image_from_dri(disp, dri_image);
1834
1835 return res;
1836 }
1837 #endif
1838
1839 _EGLImage *
1840 dri2_create_image_khr(_EGLDriver *drv, _EGLDisplay *disp,
1841 _EGLContext *ctx, EGLenum target,
1842 EGLClientBuffer buffer, const EGLint *attr_list)
1843 {
1844 (void) drv;
1845
1846 switch (target) {
1847 case EGL_GL_TEXTURE_2D_KHR:
1848 case EGL_GL_TEXTURE_CUBE_MAP_POSITIVE_X_KHR:
1849 case EGL_GL_TEXTURE_CUBE_MAP_NEGATIVE_X_KHR:
1850 case EGL_GL_TEXTURE_CUBE_MAP_POSITIVE_Y_KHR:
1851 case EGL_GL_TEXTURE_CUBE_MAP_NEGATIVE_Y_KHR:
1852 case EGL_GL_TEXTURE_CUBE_MAP_POSITIVE_Z_KHR:
1853 case EGL_GL_TEXTURE_CUBE_MAP_NEGATIVE_Z_KHR:
1854 return dri2_create_image_khr_texture(disp, ctx, target, buffer, attr_list);
1855 case EGL_GL_RENDERBUFFER_KHR:
1856 return dri2_create_image_khr_renderbuffer(disp, ctx, buffer, attr_list);
1857 #ifdef HAVE_LIBDRM
1858 case EGL_DRM_BUFFER_MESA:
1859 return dri2_create_image_mesa_drm_buffer(disp, ctx, buffer, attr_list);
1860 #endif
1861 #ifdef HAVE_WAYLAND_PLATFORM
1862 case EGL_WAYLAND_BUFFER_WL:
1863 return dri2_create_image_wayland_wl_buffer(disp, ctx, buffer, attr_list);
1864 #endif
1865 #ifdef HAVE_LIBDRM
1866 case EGL_LINUX_DMA_BUF_EXT:
1867 return dri2_create_image_dma_buf(disp, ctx, buffer, attr_list);
1868 #endif
1869 default:
1870 _eglError(EGL_BAD_PARAMETER, "dri2_create_image_khr");
1871 return EGL_NO_IMAGE_KHR;
1872 }
1873 }
1874
1875 static EGLBoolean
1876 dri2_destroy_image_khr(_EGLDriver *drv, _EGLDisplay *disp, _EGLImage *image)
1877 {
1878 struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
1879 struct dri2_egl_image *dri2_img = dri2_egl_image(image);
1880
1881 (void) drv;
1882
1883 dri2_dpy->image->destroyImage(dri2_img->dri_image);
1884 free(dri2_img);
1885
1886 return EGL_TRUE;
1887 }
1888
1889 #ifdef HAVE_LIBDRM
1890 static _EGLImage *
1891 dri2_create_drm_image_mesa(_EGLDriver *drv, _EGLDisplay *disp,
1892 const EGLint *attr_list)
1893 {
1894 struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
1895 struct dri2_egl_image *dri2_img;
1896 _EGLImageAttribs attrs;
1897 unsigned int dri_use, valid_mask;
1898 int format;
1899 EGLint err = EGL_SUCCESS;
1900
1901 (void) drv;
1902
1903 dri2_img = malloc(sizeof *dri2_img);
1904 if (!dri2_img) {
1905 _eglError(EGL_BAD_ALLOC, "dri2_create_image_khr");
1906 return EGL_NO_IMAGE_KHR;
1907 }
1908
1909 if (!attr_list) {
1910 err = EGL_BAD_PARAMETER;
1911 goto cleanup_img;
1912 }
1913
1914 if (!_eglInitImage(&dri2_img->base, disp)) {
1915 err = EGL_BAD_PARAMETER;
1916 goto cleanup_img;
1917 }
1918
1919 err = _eglParseImageAttribList(&attrs, disp, attr_list);
1920 if (err != EGL_SUCCESS)
1921 goto cleanup_img;
1922
1923 if (attrs.Width <= 0 || attrs.Height <= 0) {
1924 _eglLog(_EGL_WARNING, "bad width or height (%dx%d)",
1925 attrs.Width, attrs.Height);
1926 goto cleanup_img;
1927 }
1928
1929 switch (attrs.DRMBufferFormatMESA) {
1930 case EGL_DRM_BUFFER_FORMAT_ARGB32_MESA:
1931 format = __DRI_IMAGE_FORMAT_ARGB8888;
1932 break;
1933 default:
1934 _eglLog(_EGL_WARNING, "bad image format value 0x%04x",
1935 attrs.DRMBufferFormatMESA);
1936 goto cleanup_img;
1937 }
1938
1939 valid_mask =
1940 EGL_DRM_BUFFER_USE_SCANOUT_MESA |
1941 EGL_DRM_BUFFER_USE_SHARE_MESA |
1942 EGL_DRM_BUFFER_USE_CURSOR_MESA;
1943 if (attrs.DRMBufferUseMESA & ~valid_mask) {
1944 _eglLog(_EGL_WARNING, "bad image use bit 0x%04x",
1945 attrs.DRMBufferUseMESA & ~valid_mask);
1946 goto cleanup_img;
1947 }
1948
1949 dri_use = 0;
1950 if (attrs.DRMBufferUseMESA & EGL_DRM_BUFFER_USE_SHARE_MESA)
1951 dri_use |= __DRI_IMAGE_USE_SHARE;
1952 if (attrs.DRMBufferUseMESA & EGL_DRM_BUFFER_USE_SCANOUT_MESA)
1953 dri_use |= __DRI_IMAGE_USE_SCANOUT;
1954 if (attrs.DRMBufferUseMESA & EGL_DRM_BUFFER_USE_CURSOR_MESA)
1955 dri_use |= __DRI_IMAGE_USE_CURSOR;
1956
1957 dri2_img->dri_image =
1958 dri2_dpy->image->createImage(dri2_dpy->dri_screen,
1959 attrs.Width, attrs.Height,
1960 format, dri_use, dri2_img);
1961 if (dri2_img->dri_image == NULL) {
1962 err = EGL_BAD_ALLOC;
1963 goto cleanup_img;
1964 }
1965
1966 return &dri2_img->base;
1967
1968 cleanup_img:
1969 free(dri2_img);
1970 _eglError(err, "dri2_create_drm_image_mesa");
1971
1972 return EGL_NO_IMAGE_KHR;
1973 }
1974
1975 static EGLBoolean
1976 dri2_export_drm_image_mesa(_EGLDriver *drv, _EGLDisplay *disp, _EGLImage *img,
1977 EGLint *name, EGLint *handle, EGLint *stride)
1978 {
1979 struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
1980 struct dri2_egl_image *dri2_img = dri2_egl_image(img);
1981
1982 (void) drv;
1983
1984 if (name && !dri2_dpy->image->queryImage(dri2_img->dri_image,
1985 __DRI_IMAGE_ATTRIB_NAME, name)) {
1986 _eglError(EGL_BAD_ALLOC, "dri2_export_drm_image_mesa");
1987 return EGL_FALSE;
1988 }
1989
1990 if (handle)
1991 dri2_dpy->image->queryImage(dri2_img->dri_image,
1992 __DRI_IMAGE_ATTRIB_HANDLE, handle);
1993
1994 if (stride)
1995 dri2_dpy->image->queryImage(dri2_img->dri_image,
1996 __DRI_IMAGE_ATTRIB_STRIDE, stride);
1997
1998 return EGL_TRUE;
1999 }
2000
2001 static EGLBoolean
2002 dri2_export_dma_buf_image_query_mesa(_EGLDriver *drv, _EGLDisplay *disp,
2003 _EGLImage *img,
2004 EGLint *fourcc, EGLint *nplanes,
2005 EGLuint64KHR *modifiers)
2006 {
2007 struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
2008 struct dri2_egl_image *dri2_img = dri2_egl_image(img);
2009
2010 (void) drv;
2011
2012
2013 if (nplanes)
2014 dri2_dpy->image->queryImage(dri2_img->dri_image,
2015 __DRI_IMAGE_ATTRIB_NUM_PLANES, nplanes);
2016 if (fourcc)
2017 dri2_dpy->image->queryImage(dri2_img->dri_image,
2018 __DRI_IMAGE_ATTRIB_FOURCC, fourcc);
2019
2020 if (modifiers)
2021 *modifiers = 0;
2022
2023 return EGL_TRUE;
2024 }
2025
2026 static EGLBoolean
2027 dri2_export_dma_buf_image_mesa(_EGLDriver *drv, _EGLDisplay *disp, _EGLImage *img,
2028 int *fds, EGLint *strides, EGLint *offsets)
2029 {
2030 struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
2031 struct dri2_egl_image *dri2_img = dri2_egl_image(img);
2032
2033 (void) drv;
2034
2035 /* rework later to provide multiple fds/strides/offsets */
2036 if (fds)
2037 dri2_dpy->image->queryImage(dri2_img->dri_image,
2038 __DRI_IMAGE_ATTRIB_FD, fds);
2039
2040 if (strides)
2041 dri2_dpy->image->queryImage(dri2_img->dri_image,
2042 __DRI_IMAGE_ATTRIB_STRIDE, strides);
2043
2044 if (offsets)
2045 offsets[0] = 0;
2046
2047 return EGL_TRUE;
2048 }
2049 #endif
2050
2051 #ifdef HAVE_WAYLAND_PLATFORM
2052
2053 static void
2054 dri2_wl_reference_buffer(void *user_data, uint32_t name, int fd,
2055 struct wl_drm_buffer *buffer)
2056 {
2057 _EGLDisplay *disp = user_data;
2058 struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
2059 __DRIimage *img;
2060 int i, dri_components = 0;
2061
2062 if (fd == -1)
2063 img = dri2_dpy->image->createImageFromNames(dri2_dpy->dri_screen,
2064 buffer->width,
2065 buffer->height,
2066 buffer->format,
2067 (int*)&name, 1,
2068 buffer->stride,
2069 buffer->offset,
2070 NULL);
2071 else
2072 img = dri2_dpy->image->createImageFromFds(dri2_dpy->dri_screen,
2073 buffer->width,
2074 buffer->height,
2075 buffer->format,
2076 &fd, 1,
2077 buffer->stride,
2078 buffer->offset,
2079 NULL);
2080
2081 if (img == NULL)
2082 return;
2083
2084 dri2_dpy->image->queryImage(img, __DRI_IMAGE_ATTRIB_COMPONENTS, &dri_components);
2085
2086 buffer->driver_format = NULL;
2087 for (i = 0; i < ARRAY_SIZE(wl_drm_components); i++)
2088 if (wl_drm_components[i].dri_components == dri_components)
2089 buffer->driver_format = &wl_drm_components[i];
2090
2091 if (buffer->driver_format == NULL)
2092 dri2_dpy->image->destroyImage(img);
2093 else
2094 buffer->driver_buffer = img;
2095 }
2096
2097 static void
2098 dri2_wl_release_buffer(void *user_data, struct wl_drm_buffer *buffer)
2099 {
2100 _EGLDisplay *disp = user_data;
2101 struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
2102
2103 dri2_dpy->image->destroyImage(buffer->driver_buffer);
2104 }
2105
2106 static struct wayland_drm_callbacks wl_drm_callbacks = {
2107 .authenticate = NULL,
2108 .reference_buffer = dri2_wl_reference_buffer,
2109 .release_buffer = dri2_wl_release_buffer
2110 };
2111
2112 static EGLBoolean
2113 dri2_bind_wayland_display_wl(_EGLDriver *drv, _EGLDisplay *disp,
2114 struct wl_display *wl_dpy)
2115 {
2116 struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
2117 int flags = 0;
2118 uint64_t cap;
2119
2120 (void) drv;
2121
2122 if (dri2_dpy->wl_server_drm)
2123 return EGL_FALSE;
2124
2125 wl_drm_callbacks.authenticate =
2126 (int(*)(void *, uint32_t)) dri2_dpy->vtbl->authenticate;
2127
2128 #ifdef HAVE_LIBDRM
2129 if (drmGetCap(dri2_dpy->fd, DRM_CAP_PRIME, &cap) == 0 &&
2130 cap == (DRM_PRIME_CAP_IMPORT | DRM_PRIME_CAP_EXPORT) &&
2131 dri2_dpy->image->base.version >= 7 &&
2132 dri2_dpy->image->createImageFromFds != NULL)
2133 flags |= WAYLAND_DRM_PRIME;
2134 #endif
2135
2136 dri2_dpy->wl_server_drm =
2137 wayland_drm_init(wl_dpy, dri2_dpy->device_name,
2138 &wl_drm_callbacks, disp, flags);
2139
2140 if (!dri2_dpy->wl_server_drm)
2141 return EGL_FALSE;
2142
2143 #ifdef HAVE_DRM_PLATFORM
2144 /* We have to share the wl_drm instance with gbm, so gbm can convert
2145 * wl_buffers to gbm bos. */
2146 if (dri2_dpy->gbm_dri)
2147 dri2_dpy->gbm_dri->wl_drm = dri2_dpy->wl_server_drm;
2148 #endif
2149
2150 return EGL_TRUE;
2151 }
2152
2153 static EGLBoolean
2154 dri2_unbind_wayland_display_wl(_EGLDriver *drv, _EGLDisplay *disp,
2155 struct wl_display *wl_dpy)
2156 {
2157 struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
2158
2159 (void) drv;
2160
2161 if (!dri2_dpy->wl_server_drm)
2162 return EGL_FALSE;
2163
2164 wayland_drm_uninit(dri2_dpy->wl_server_drm);
2165 dri2_dpy->wl_server_drm = NULL;
2166
2167 return EGL_TRUE;
2168 }
2169
2170 static EGLBoolean
2171 dri2_query_wayland_buffer_wl(_EGLDriver *drv, _EGLDisplay *disp,
2172 struct wl_resource *buffer_resource,
2173 EGLint attribute, EGLint *value)
2174 {
2175 struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
2176 struct wl_drm_buffer *buffer;
2177 const struct wl_drm_components_descriptor *format;
2178
2179 buffer = wayland_drm_buffer_get(dri2_dpy->wl_server_drm, buffer_resource);
2180 if (!buffer)
2181 return EGL_FALSE;
2182
2183 format = buffer->driver_format;
2184 switch (attribute) {
2185 case EGL_TEXTURE_FORMAT:
2186 *value = format->components;
2187 return EGL_TRUE;
2188 case EGL_WIDTH:
2189 *value = buffer->width;
2190 return EGL_TRUE;
2191 case EGL_HEIGHT:
2192 *value = buffer->height;
2193 return EGL_TRUE;
2194 }
2195
2196 return EGL_FALSE;
2197 }
2198 #endif
2199
2200 static void
2201 dri2_egl_ref_sync(struct dri2_egl_sync *sync)
2202 {
2203 p_atomic_inc(&sync->refcount);
2204 }
2205
2206 static void
2207 dri2_egl_unref_sync(struct dri2_egl_display *dri2_dpy,
2208 struct dri2_egl_sync *dri2_sync)
2209 {
2210 if (p_atomic_dec_zero(&dri2_sync->refcount)) {
2211 dri2_dpy->fence->destroy_fence(dri2_dpy->dri_screen, dri2_sync->fence);
2212 free(dri2_sync);
2213 }
2214 }
2215
2216 static _EGLSync *
2217 dri2_create_sync(_EGLDriver *drv, _EGLDisplay *dpy,
2218 EGLenum type, const EGLint *attrib_list,
2219 const EGLAttrib *attrib_list64)
2220 {
2221 _EGLContext *ctx = _eglGetCurrentContext();
2222 struct dri2_egl_display *dri2_dpy = dri2_egl_display(dpy);
2223 struct dri2_egl_context *dri2_ctx = dri2_egl_context(ctx);
2224 struct dri2_egl_sync *dri2_sync;
2225
2226 dri2_sync = calloc(1, sizeof(struct dri2_egl_sync));
2227 if (!dri2_sync) {
2228 _eglError(EGL_BAD_ALLOC, "eglCreateSyncKHR");
2229 return NULL;
2230 }
2231
2232 if (!_eglInitSync(&dri2_sync->base, dpy, type, attrib_list,
2233 attrib_list64)) {
2234 free(dri2_sync);
2235 return NULL;
2236 }
2237
2238 switch (type) {
2239 case EGL_SYNC_FENCE_KHR:
2240 dri2_sync->fence = dri2_dpy->fence->create_fence(dri2_ctx->dri_context);
2241 if (!dri2_sync->fence) {
2242 /* Why did it fail? DRI doesn't return an error code, so we emit
2243 * a generic EGL error that doesn't communicate user error.
2244 */
2245 _eglError(EGL_BAD_ALLOC, "eglCreateSyncKHR");
2246 free(dri2_sync);
2247 return NULL;
2248 }
2249 break;
2250
2251 case EGL_SYNC_CL_EVENT_KHR:
2252 dri2_sync->fence = dri2_dpy->fence->get_fence_from_cl_event(
2253 dri2_dpy->dri_screen,
2254 dri2_sync->base.CLEvent);
2255 /* this can only happen if the cl_event passed in is invalid. */
2256 if (!dri2_sync->fence) {
2257 _eglError(EGL_BAD_ATTRIBUTE, "eglCreateSyncKHR");
2258 free(dri2_sync);
2259 return NULL;
2260 }
2261
2262 /* the initial status must be "signaled" if the cl_event is signaled */
2263 if (dri2_dpy->fence->client_wait_sync(dri2_ctx->dri_context,
2264 dri2_sync->fence, 0, 0))
2265 dri2_sync->base.SyncStatus = EGL_SIGNALED_KHR;
2266 break;
2267 }
2268
2269 p_atomic_set(&dri2_sync->refcount, 1);
2270 return &dri2_sync->base;
2271 }
2272
2273 static EGLBoolean
2274 dri2_destroy_sync(_EGLDriver *drv, _EGLDisplay *dpy, _EGLSync *sync)
2275 {
2276 struct dri2_egl_display *dri2_dpy = dri2_egl_display(dpy);
2277 struct dri2_egl_sync *dri2_sync = dri2_egl_sync(sync);
2278
2279 dri2_egl_unref_sync(dri2_dpy, dri2_sync);
2280 return EGL_TRUE;
2281 }
2282
2283 static EGLint
2284 dri2_client_wait_sync(_EGLDriver *drv, _EGLDisplay *dpy, _EGLSync *sync,
2285 EGLint flags, EGLTime timeout)
2286 {
2287 _EGLContext *ctx = _eglGetCurrentContext();
2288 struct dri2_egl_display *dri2_dpy = dri2_egl_display(dpy);
2289 struct dri2_egl_context *dri2_ctx = dri2_egl_context(ctx);
2290 struct dri2_egl_sync *dri2_sync = dri2_egl_sync(sync);
2291 unsigned wait_flags = 0;
2292 EGLint ret = EGL_CONDITION_SATISFIED_KHR;
2293
2294 if (flags & EGL_SYNC_FLUSH_COMMANDS_BIT_KHR)
2295 wait_flags |= __DRI2_FENCE_FLAG_FLUSH_COMMANDS;
2296
2297 /* the sync object should take a reference while waiting */
2298 dri2_egl_ref_sync(dri2_sync);
2299
2300 if (dri2_dpy->fence->client_wait_sync(dri2_ctx->dri_context,
2301 dri2_sync->fence, wait_flags,
2302 timeout))
2303 dri2_sync->base.SyncStatus = EGL_SIGNALED_KHR;
2304 else
2305 ret = EGL_TIMEOUT_EXPIRED_KHR;
2306
2307 dri2_egl_unref_sync(dri2_dpy, dri2_sync);
2308 return ret;
2309 }
2310
2311 static EGLint
2312 dri2_server_wait_sync(_EGLDriver *drv, _EGLDisplay *dpy, _EGLSync *sync)
2313 {
2314 _EGLContext *ctx = _eglGetCurrentContext();
2315 struct dri2_egl_display *dri2_dpy = dri2_egl_display(dpy);
2316 struct dri2_egl_context *dri2_ctx = dri2_egl_context(ctx);
2317 struct dri2_egl_sync *dri2_sync = dri2_egl_sync(sync);
2318
2319 dri2_dpy->fence->server_wait_sync(dri2_ctx->dri_context,
2320 dri2_sync->fence, 0);
2321 return EGL_TRUE;
2322 }
2323
2324 static void
2325 dri2_unload(_EGLDriver *drv)
2326 {
2327 struct dri2_egl_driver *dri2_drv = dri2_egl_driver(drv);
2328
2329 if (dri2_drv->handle)
2330 dlclose(dri2_drv->handle);
2331 free(dri2_drv);
2332 }
2333
2334 static EGLBoolean
2335 dri2_load(_EGLDriver *drv)
2336 {
2337 struct dri2_egl_driver *dri2_drv = dri2_egl_driver(drv);
2338 #ifdef HAVE_SHARED_GLAPI
2339 #ifdef HAVE_ANDROID_PLATFORM
2340 const char *libname = "libglapi.so";
2341 #else
2342 const char *libname = "libglapi.so.0";
2343 #endif
2344 #else
2345 /*
2346 * Both libGL.so and libglapi.so are glapi providers. There is no way to
2347 * tell which one to load.
2348 */
2349 const char *libname = NULL;
2350 #endif
2351 void *handle;
2352
2353 /* RTLD_GLOBAL to make sure glapi symbols are visible to DRI drivers */
2354 handle = dlopen(libname, RTLD_LAZY | RTLD_GLOBAL);
2355 if (handle) {
2356 dri2_drv->get_proc_address = (_EGLProc (*)(const char *))
2357 dlsym(handle, "_glapi_get_proc_address");
2358 if (!dri2_drv->get_proc_address || !libname) {
2359 /* no need to keep a reference */
2360 dlclose(handle);
2361 handle = NULL;
2362 }
2363 }
2364
2365 /* if glapi is not available, loading DRI drivers will fail */
2366 if (!dri2_drv->get_proc_address) {
2367 _eglLog(_EGL_WARNING, "DRI2: failed to find _glapi_get_proc_address");
2368 return EGL_FALSE;
2369 }
2370
2371 dri2_drv->glFlush = (void (*)(void))
2372 dri2_drv->get_proc_address("glFlush");
2373
2374 dri2_drv->handle = handle;
2375
2376 return EGL_TRUE;
2377 }
2378
2379 /**
2380 * This is the main entrypoint into the driver, called by libEGL.
2381 * Create a new _EGLDriver object and init its dispatch table.
2382 */
2383 _EGLDriver *
2384 _eglBuiltInDriverDRI2(const char *args)
2385 {
2386 struct dri2_egl_driver *dri2_drv;
2387
2388 (void) args;
2389
2390 dri2_drv = calloc(1, sizeof *dri2_drv);
2391 if (!dri2_drv)
2392 return NULL;
2393
2394 if (!dri2_load(&dri2_drv->base)) {
2395 free(dri2_drv);
2396 return NULL;
2397 }
2398
2399 _eglInitDriverFallbacks(&dri2_drv->base);
2400 dri2_drv->base.API.Initialize = dri2_initialize;
2401 dri2_drv->base.API.Terminate = dri2_terminate;
2402 dri2_drv->base.API.CreateContext = dri2_create_context;
2403 dri2_drv->base.API.DestroyContext = dri2_destroy_context;
2404 dri2_drv->base.API.MakeCurrent = dri2_make_current;
2405 dri2_drv->base.API.CreateWindowSurface = dri2_create_window_surface;
2406 dri2_drv->base.API.CreatePixmapSurface = dri2_create_pixmap_surface;
2407 dri2_drv->base.API.CreatePbufferSurface = dri2_create_pbuffer_surface;
2408 dri2_drv->base.API.DestroySurface = dri2_destroy_surface;
2409 dri2_drv->base.API.GetProcAddress = dri2_get_proc_address;
2410 dri2_drv->base.API.WaitClient = dri2_wait_client;
2411 dri2_drv->base.API.WaitNative = dri2_wait_native;
2412 dri2_drv->base.API.BindTexImage = dri2_bind_tex_image;
2413 dri2_drv->base.API.ReleaseTexImage = dri2_release_tex_image;
2414 dri2_drv->base.API.SwapInterval = dri2_swap_interval;
2415 dri2_drv->base.API.SwapBuffers = dri2_swap_buffers;
2416 dri2_drv->base.API.SwapBuffersWithDamageEXT = dri2_swap_buffers_with_damage;
2417 dri2_drv->base.API.SwapBuffersRegionNOK = dri2_swap_buffers_region;
2418 dri2_drv->base.API.PostSubBufferNV = dri2_post_sub_buffer;
2419 dri2_drv->base.API.CopyBuffers = dri2_copy_buffers,
2420 dri2_drv->base.API.QueryBufferAge = dri2_query_buffer_age;
2421 dri2_drv->base.API.CreateImageKHR = dri2_create_image;
2422 dri2_drv->base.API.DestroyImageKHR = dri2_destroy_image_khr;
2423 dri2_drv->base.API.CreateWaylandBufferFromImageWL = dri2_create_wayland_buffer_from_image;
2424 #ifdef HAVE_LIBDRM
2425 dri2_drv->base.API.CreateDRMImageMESA = dri2_create_drm_image_mesa;
2426 dri2_drv->base.API.ExportDRMImageMESA = dri2_export_drm_image_mesa;
2427 dri2_drv->base.API.ExportDMABUFImageQueryMESA = dri2_export_dma_buf_image_query_mesa;
2428 dri2_drv->base.API.ExportDMABUFImageMESA = dri2_export_dma_buf_image_mesa;
2429 #endif
2430 #ifdef HAVE_WAYLAND_PLATFORM
2431 dri2_drv->base.API.BindWaylandDisplayWL = dri2_bind_wayland_display_wl;
2432 dri2_drv->base.API.UnbindWaylandDisplayWL = dri2_unbind_wayland_display_wl;
2433 dri2_drv->base.API.QueryWaylandBufferWL = dri2_query_wayland_buffer_wl;
2434 #endif
2435 dri2_drv->base.API.GetSyncValuesCHROMIUM = dri2_get_sync_values_chromium;
2436 dri2_drv->base.API.CreateSyncKHR = dri2_create_sync;
2437 dri2_drv->base.API.ClientWaitSyncKHR = dri2_client_wait_sync;
2438 dri2_drv->base.API.WaitSyncKHR = dri2_server_wait_sync;
2439 dri2_drv->base.API.DestroySyncKHR = dri2_destroy_sync;
2440
2441 dri2_drv->base.Name = "DRI2";
2442 dri2_drv->base.Unload = dri2_unload;
2443
2444 return &dri2_drv->base;
2445 }