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egl: implement EGL_KHR_gl_colorspace (v2)
[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 <stdbool.h>
32 #include <stdlib.h>
33 #include <string.h>
34 #include <stdio.h>
35 #include <limits.h>
36 #include <dlfcn.h>
37 #include <fcntl.h>
38 #include <errno.h>
39 #include <unistd.h>
40 #ifdef HAVE_LIBDRM
41 #include <xf86drm.h>
42 #include <drm_fourcc.h>
43 #endif
44 #include <GL/gl.h>
45 #include <GL/internal/dri_interface.h>
46 #include <sys/types.h>
47 #include <sys/stat.h>
48
49 #ifdef HAVE_WAYLAND_PLATFORM
50 #include "wayland-drm.h"
51 #include "wayland-drm-client-protocol.h"
52 #endif
53
54 #include "egl_dri2.h"
55 #include "../util/u_atomic.h"
56
57 const __DRIuseInvalidateExtension use_invalidate = {
58 .base = { __DRI_USE_INVALIDATE, 1 }
59 };
60
61 EGLint dri2_to_egl_attribute_map[] = {
62 0,
63 EGL_BUFFER_SIZE, /* __DRI_ATTRIB_BUFFER_SIZE */
64 EGL_LEVEL, /* __DRI_ATTRIB_LEVEL */
65 EGL_RED_SIZE, /* __DRI_ATTRIB_RED_SIZE */
66 EGL_GREEN_SIZE, /* __DRI_ATTRIB_GREEN_SIZE */
67 EGL_BLUE_SIZE, /* __DRI_ATTRIB_BLUE_SIZE */
68 EGL_LUMINANCE_SIZE, /* __DRI_ATTRIB_LUMINANCE_SIZE */
69 EGL_ALPHA_SIZE, /* __DRI_ATTRIB_ALPHA_SIZE */
70 0, /* __DRI_ATTRIB_ALPHA_MASK_SIZE */
71 EGL_DEPTH_SIZE, /* __DRI_ATTRIB_DEPTH_SIZE */
72 EGL_STENCIL_SIZE, /* __DRI_ATTRIB_STENCIL_SIZE */
73 0, /* __DRI_ATTRIB_ACCUM_RED_SIZE */
74 0, /* __DRI_ATTRIB_ACCUM_GREEN_SIZE */
75 0, /* __DRI_ATTRIB_ACCUM_BLUE_SIZE */
76 0, /* __DRI_ATTRIB_ACCUM_ALPHA_SIZE */
77 EGL_SAMPLE_BUFFERS, /* __DRI_ATTRIB_SAMPLE_BUFFERS */
78 EGL_SAMPLES, /* __DRI_ATTRIB_SAMPLES */
79 0, /* __DRI_ATTRIB_RENDER_TYPE, */
80 0, /* __DRI_ATTRIB_CONFIG_CAVEAT */
81 0, /* __DRI_ATTRIB_CONFORMANT */
82 0, /* __DRI_ATTRIB_DOUBLE_BUFFER */
83 0, /* __DRI_ATTRIB_STEREO */
84 0, /* __DRI_ATTRIB_AUX_BUFFERS */
85 0, /* __DRI_ATTRIB_TRANSPARENT_TYPE */
86 0, /* __DRI_ATTRIB_TRANSPARENT_INDEX_VALUE */
87 0, /* __DRI_ATTRIB_TRANSPARENT_RED_VALUE */
88 0, /* __DRI_ATTRIB_TRANSPARENT_GREEN_VALUE */
89 0, /* __DRI_ATTRIB_TRANSPARENT_BLUE_VALUE */
90 0, /* __DRI_ATTRIB_TRANSPARENT_ALPHA_VALUE */
91 0, /* __DRI_ATTRIB_FLOAT_MODE (deprecated) */
92 0, /* __DRI_ATTRIB_RED_MASK */
93 0, /* __DRI_ATTRIB_GREEN_MASK */
94 0, /* __DRI_ATTRIB_BLUE_MASK */
95 0, /* __DRI_ATTRIB_ALPHA_MASK */
96 EGL_MAX_PBUFFER_WIDTH, /* __DRI_ATTRIB_MAX_PBUFFER_WIDTH */
97 EGL_MAX_PBUFFER_HEIGHT, /* __DRI_ATTRIB_MAX_PBUFFER_HEIGHT */
98 EGL_MAX_PBUFFER_PIXELS, /* __DRI_ATTRIB_MAX_PBUFFER_PIXELS */
99 0, /* __DRI_ATTRIB_OPTIMAL_PBUFFER_WIDTH */
100 0, /* __DRI_ATTRIB_OPTIMAL_PBUFFER_HEIGHT */
101 0, /* __DRI_ATTRIB_VISUAL_SELECT_GROUP */
102 0, /* __DRI_ATTRIB_SWAP_METHOD */
103 EGL_MAX_SWAP_INTERVAL, /* __DRI_ATTRIB_MAX_SWAP_INTERVAL */
104 EGL_MIN_SWAP_INTERVAL, /* __DRI_ATTRIB_MIN_SWAP_INTERVAL */
105 0, /* __DRI_ATTRIB_BIND_TO_TEXTURE_RGB */
106 0, /* __DRI_ATTRIB_BIND_TO_TEXTURE_RGBA */
107 0, /* __DRI_ATTRIB_BIND_TO_MIPMAP_TEXTURE */
108 0, /* __DRI_ATTRIB_BIND_TO_TEXTURE_TARGETS */
109 EGL_Y_INVERTED_NOK, /* __DRI_ATTRIB_YINVERTED */
110 0, /* __DRI_ATTRIB_FRAMEBUFFER_SRGB_CAPABLE */
111 };
112
113 const __DRIconfig *
114 dri2_get_dri_config(struct dri2_egl_config *conf, EGLint surface_type,
115 EGLenum colorspace)
116 {
117 if (colorspace == EGL_GL_COLORSPACE_SRGB_KHR)
118 return surface_type == EGL_WINDOW_BIT ? conf->dri_srgb_double_config :
119 conf->dri_srgb_single_config;
120 else
121 return surface_type == EGL_WINDOW_BIT ? conf->dri_double_config :
122 conf->dri_single_config;
123 }
124
125 static EGLBoolean
126 dri2_match_config(const _EGLConfig *conf, const _EGLConfig *criteria)
127 {
128 if (_eglCompareConfigs(conf, criteria, NULL, EGL_FALSE) != 0)
129 return EGL_FALSE;
130
131 if (!_eglMatchConfig(conf, criteria))
132 return EGL_FALSE;
133
134 return EGL_TRUE;
135 }
136
137 struct dri2_egl_config *
138 dri2_add_config(_EGLDisplay *disp, const __DRIconfig *dri_config, int id,
139 EGLint surface_type, const EGLint *attr_list,
140 const unsigned int *rgba_masks)
141 {
142 struct dri2_egl_config *conf;
143 struct dri2_egl_display *dri2_dpy;
144 _EGLConfig base;
145 unsigned int attrib, value, double_buffer;
146 bool srgb = false;
147 EGLint key, bind_to_texture_rgb, bind_to_texture_rgba;
148 unsigned int dri_masks[4] = { 0, 0, 0, 0 };
149 _EGLConfig *matching_config;
150 EGLint num_configs = 0;
151 EGLint config_id;
152 int i;
153
154 dri2_dpy = disp->DriverData;
155 _eglInitConfig(&base, disp, id);
156
157 i = 0;
158 double_buffer = 0;
159 bind_to_texture_rgb = 0;
160 bind_to_texture_rgba = 0;
161
162 while (dri2_dpy->core->indexConfigAttrib(dri_config, i++, &attrib, &value)) {
163 switch (attrib) {
164 case __DRI_ATTRIB_RENDER_TYPE:
165 if (value & __DRI_ATTRIB_RGBA_BIT)
166 value = EGL_RGB_BUFFER;
167 else if (value & __DRI_ATTRIB_LUMINANCE_BIT)
168 value = EGL_LUMINANCE_BUFFER;
169 else
170 return NULL;
171 _eglSetConfigKey(&base, EGL_COLOR_BUFFER_TYPE, value);
172 break;
173
174 case __DRI_ATTRIB_CONFIG_CAVEAT:
175 if (value & __DRI_ATTRIB_NON_CONFORMANT_CONFIG)
176 value = EGL_NON_CONFORMANT_CONFIG;
177 else if (value & __DRI_ATTRIB_SLOW_BIT)
178 value = EGL_SLOW_CONFIG;
179 else
180 value = EGL_NONE;
181 _eglSetConfigKey(&base, EGL_CONFIG_CAVEAT, value);
182 break;
183
184 case __DRI_ATTRIB_BIND_TO_TEXTURE_RGB:
185 bind_to_texture_rgb = value;
186 break;
187
188 case __DRI_ATTRIB_BIND_TO_TEXTURE_RGBA:
189 bind_to_texture_rgba = value;
190 break;
191
192 case __DRI_ATTRIB_DOUBLE_BUFFER:
193 double_buffer = value;
194 break;
195
196 case __DRI_ATTRIB_RED_MASK:
197 dri_masks[0] = value;
198 break;
199
200 case __DRI_ATTRIB_GREEN_MASK:
201 dri_masks[1] = value;
202 break;
203
204 case __DRI_ATTRIB_BLUE_MASK:
205 dri_masks[2] = value;
206 break;
207
208 case __DRI_ATTRIB_ALPHA_MASK:
209 dri_masks[3] = value;
210 break;
211
212 case __DRI_ATTRIB_ACCUM_RED_SIZE:
213 case __DRI_ATTRIB_ACCUM_GREEN_SIZE:
214 case __DRI_ATTRIB_ACCUM_BLUE_SIZE:
215 case __DRI_ATTRIB_ACCUM_ALPHA_SIZE:
216 /* Don't expose visuals with the accumulation buffer. */
217 if (value > 0)
218 return NULL;
219 break;
220
221 case __DRI_ATTRIB_FRAMEBUFFER_SRGB_CAPABLE:
222 srgb = value != 0;
223 break;
224
225 default:
226 key = dri2_to_egl_attribute_map[attrib];
227 if (key != 0)
228 _eglSetConfigKey(&base, key, value);
229 break;
230 }
231 }
232
233 if (attr_list)
234 for (i = 0; attr_list[i] != EGL_NONE; i += 2)
235 _eglSetConfigKey(&base, attr_list[i], attr_list[i+1]);
236
237 if (rgba_masks && memcmp(rgba_masks, dri_masks, sizeof(dri_masks)))
238 return NULL;
239
240 base.NativeRenderable = EGL_TRUE;
241
242 base.SurfaceType = surface_type;
243 if (surface_type & (EGL_PBUFFER_BIT |
244 (disp->Extensions.NOK_texture_from_pixmap ? EGL_PIXMAP_BIT : 0))) {
245 base.BindToTextureRGB = bind_to_texture_rgb;
246 if (base.AlphaSize > 0)
247 base.BindToTextureRGBA = bind_to_texture_rgba;
248 }
249
250 base.RenderableType = disp->ClientAPIs;
251 base.Conformant = disp->ClientAPIs;
252
253 base.MinSwapInterval = dri2_dpy->min_swap_interval;
254 base.MaxSwapInterval = dri2_dpy->max_swap_interval;
255
256 if (!_eglValidateConfig(&base, EGL_FALSE)) {
257 _eglLog(_EGL_DEBUG, "DRI2: failed to validate config %d", id);
258 return NULL;
259 }
260
261 config_id = base.ConfigID;
262 base.ConfigID = EGL_DONT_CARE;
263 base.SurfaceType = EGL_DONT_CARE;
264 num_configs = _eglFilterArray(disp->Configs, (void **) &matching_config, 1,
265 (_EGLArrayForEach) dri2_match_config, &base);
266
267 if (num_configs == 1) {
268 conf = (struct dri2_egl_config *) matching_config;
269
270 if (double_buffer && srgb && !conf->dri_srgb_double_config)
271 conf->dri_srgb_double_config = dri_config;
272 else if (double_buffer && !srgb && !conf->dri_double_config)
273 conf->dri_double_config = dri_config;
274 else if (!double_buffer && srgb && !conf->dri_srgb_single_config)
275 conf->dri_srgb_single_config = dri_config;
276 else if (!double_buffer && !srgb && !conf->dri_single_config)
277 conf->dri_single_config = dri_config;
278 else
279 /* a similar config type is already added (unlikely) => discard */
280 return NULL;
281 }
282 else if (num_configs == 0) {
283 conf = calloc(1, sizeof *conf);
284 if (conf == NULL)
285 return NULL;
286
287 memcpy(&conf->base, &base, sizeof base);
288 if (double_buffer) {
289 if (srgb)
290 conf->dri_srgb_double_config = dri_config;
291 else
292 conf->dri_double_config = dri_config;
293 } else {
294 if (srgb)
295 conf->dri_srgb_single_config = dri_config;
296 else
297 conf->dri_single_config = dri_config;
298 }
299 conf->base.ConfigID = config_id;
300
301 _eglLinkConfig(&conf->base);
302 }
303 else {
304 assert(0);
305 return NULL;
306 }
307
308 if (double_buffer) {
309 surface_type &= ~EGL_PIXMAP_BIT;
310 }
311
312 conf->base.SurfaceType |= surface_type;
313
314 return conf;
315 }
316
317 __DRIimage *
318 dri2_lookup_egl_image(__DRIscreen *screen, void *image, void *data)
319 {
320 _EGLDisplay *disp = data;
321 struct dri2_egl_image *dri2_img;
322 _EGLImage *img;
323
324 (void) screen;
325
326 img = _eglLookupImage(image, disp);
327 if (img == NULL) {
328 _eglError(EGL_BAD_PARAMETER, "dri2_lookup_egl_image");
329 return NULL;
330 }
331
332 dri2_img = dri2_egl_image(image);
333
334 return dri2_img->dri_image;
335 }
336
337 const __DRIimageLookupExtension image_lookup_extension = {
338 .base = { __DRI_IMAGE_LOOKUP, 1 },
339
340 .lookupEGLImage = dri2_lookup_egl_image
341 };
342
343 struct dri2_extension_match {
344 const char *name;
345 int version;
346 int offset;
347 };
348
349 static struct dri2_extension_match dri2_driver_extensions[] = {
350 { __DRI_CORE, 1, offsetof(struct dri2_egl_display, core) },
351 { __DRI_DRI2, 2, offsetof(struct dri2_egl_display, dri2) },
352 { NULL, 0, 0 }
353 };
354
355 static struct dri2_extension_match dri2_core_extensions[] = {
356 { __DRI2_FLUSH, 1, offsetof(struct dri2_egl_display, flush) },
357 { __DRI_TEX_BUFFER, 2, offsetof(struct dri2_egl_display, tex_buffer) },
358 { __DRI_IMAGE, 1, offsetof(struct dri2_egl_display, image) },
359 { NULL, 0, 0 }
360 };
361
362 static struct dri2_extension_match swrast_driver_extensions[] = {
363 { __DRI_CORE, 1, offsetof(struct dri2_egl_display, core) },
364 { __DRI_SWRAST, 2, offsetof(struct dri2_egl_display, swrast) },
365 { NULL, 0, 0 }
366 };
367
368 static struct dri2_extension_match swrast_core_extensions[] = {
369 { __DRI_TEX_BUFFER, 2, offsetof(struct dri2_egl_display, tex_buffer) },
370 { NULL, 0, 0 }
371 };
372
373 static EGLBoolean
374 dri2_bind_extensions(struct dri2_egl_display *dri2_dpy,
375 struct dri2_extension_match *matches,
376 const __DRIextension **extensions)
377 {
378 int i, j, ret = EGL_TRUE;
379 void *field;
380
381 for (i = 0; extensions[i]; i++) {
382 _eglLog(_EGL_DEBUG, "DRI2: found extension `%s'", extensions[i]->name);
383 for (j = 0; matches[j].name; j++) {
384 if (strcmp(extensions[i]->name, matches[j].name) == 0 &&
385 extensions[i]->version >= matches[j].version) {
386 field = ((char *) dri2_dpy + matches[j].offset);
387 *(const __DRIextension **) field = extensions[i];
388 _eglLog(_EGL_INFO, "DRI2: found extension %s version %d",
389 extensions[i]->name, extensions[i]->version);
390 }
391 }
392 }
393
394 for (j = 0; matches[j].name; j++) {
395 field = ((char *) dri2_dpy + matches[j].offset);
396 if (*(const __DRIextension **) field == NULL) {
397 _eglLog(_EGL_WARNING, "DRI2: did not find extension %s version %d",
398 matches[j].name, matches[j].version);
399 ret = EGL_FALSE;
400 }
401 }
402
403 return ret;
404 }
405
406 static const __DRIextension **
407 dri2_open_driver(_EGLDisplay *disp)
408 {
409 struct dri2_egl_display *dri2_dpy = disp->DriverData;
410 const __DRIextension **extensions = NULL;
411 char path[PATH_MAX], *search_paths, *p, *next, *end;
412 char *get_extensions_name;
413 const __DRIextension **(*get_extensions)(void);
414
415 search_paths = NULL;
416 if (geteuid() == getuid()) {
417 /* don't allow setuid apps to use LIBGL_DRIVERS_PATH */
418 search_paths = getenv("LIBGL_DRIVERS_PATH");
419 }
420 if (search_paths == NULL)
421 search_paths = DEFAULT_DRIVER_DIR;
422
423 dri2_dpy->driver = NULL;
424 end = search_paths + strlen(search_paths);
425 for (p = search_paths; p < end; p = next + 1) {
426 int len;
427 next = strchr(p, ':');
428 if (next == NULL)
429 next = end;
430
431 len = next - p;
432 #if GLX_USE_TLS
433 snprintf(path, sizeof path,
434 "%.*s/tls/%s_dri.so", len, p, dri2_dpy->driver_name);
435 dri2_dpy->driver = dlopen(path, RTLD_NOW | RTLD_GLOBAL);
436 #endif
437 if (dri2_dpy->driver == NULL) {
438 snprintf(path, sizeof path,
439 "%.*s/%s_dri.so", len, p, dri2_dpy->driver_name);
440 dri2_dpy->driver = dlopen(path, RTLD_NOW | RTLD_GLOBAL);
441 if (dri2_dpy->driver == NULL)
442 _eglLog(_EGL_DEBUG, "failed to open %s: %s\n", path, dlerror());
443 }
444 /* not need continue to loop all paths once the driver is found */
445 if (dri2_dpy->driver != NULL)
446 break;
447
448 #ifdef ANDROID
449 snprintf(path, sizeof path, "%.*s/gallium_dri.so", len, p);
450 dri2_dpy->driver = dlopen(path, RTLD_NOW | RTLD_GLOBAL);
451 if (dri2_dpy->driver == NULL)
452 _eglLog(_EGL_DEBUG, "failed to open %s: %s\n", path, dlerror());
453 else
454 break;
455 #endif
456 }
457
458 if (dri2_dpy->driver == NULL) {
459 _eglLog(_EGL_WARNING,
460 "DRI2: failed to open %s (search paths %s)",
461 dri2_dpy->driver_name, search_paths);
462 return NULL;
463 }
464
465 _eglLog(_EGL_DEBUG, "DRI2: dlopen(%s)", path);
466
467 if (asprintf(&get_extensions_name, "%s_%s",
468 __DRI_DRIVER_GET_EXTENSIONS, dri2_dpy->driver_name) != -1) {
469 get_extensions = dlsym(dri2_dpy->driver, get_extensions_name);
470 if (get_extensions) {
471 extensions = get_extensions();
472 } else {
473 _eglLog(_EGL_DEBUG, "driver does not expose %s(): %s\n",
474 get_extensions_name, dlerror());
475 }
476 free(get_extensions_name);
477 }
478
479 if (!extensions)
480 extensions = dlsym(dri2_dpy->driver, __DRI_DRIVER_EXTENSIONS);
481 if (extensions == NULL) {
482 _eglLog(_EGL_WARNING,
483 "DRI2: driver exports no extensions (%s)", dlerror());
484 dlclose(dri2_dpy->driver);
485 }
486
487 return extensions;
488 }
489
490 EGLBoolean
491 dri2_load_driver(_EGLDisplay *disp)
492 {
493 struct dri2_egl_display *dri2_dpy = disp->DriverData;
494 const __DRIextension **extensions;
495
496 extensions = dri2_open_driver(disp);
497 if (!extensions)
498 return EGL_FALSE;
499
500 if (!dri2_bind_extensions(dri2_dpy, dri2_driver_extensions, extensions)) {
501 dlclose(dri2_dpy->driver);
502 return EGL_FALSE;
503 }
504 dri2_dpy->driver_extensions = extensions;
505
506 return EGL_TRUE;
507 }
508
509 EGLBoolean
510 dri2_load_driver_swrast(_EGLDisplay *disp)
511 {
512 struct dri2_egl_display *dri2_dpy = disp->DriverData;
513 const __DRIextension **extensions;
514
515 extensions = dri2_open_driver(disp);
516 if (!extensions)
517 return EGL_FALSE;
518
519 if (!dri2_bind_extensions(dri2_dpy, swrast_driver_extensions, extensions)) {
520 dlclose(dri2_dpy->driver);
521 return EGL_FALSE;
522 }
523 dri2_dpy->driver_extensions = extensions;
524
525 return EGL_TRUE;
526 }
527
528 void
529 dri2_setup_screen(_EGLDisplay *disp)
530 {
531 struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
532 unsigned int api_mask;
533
534 if (dri2_dpy->dri2) {
535 api_mask = dri2_dpy->dri2->getAPIMask(dri2_dpy->dri_screen);
536 } else {
537 assert(dri2_dpy->swrast);
538 api_mask = 1 << __DRI_API_OPENGL |
539 1 << __DRI_API_GLES |
540 1 << __DRI_API_GLES2 |
541 1 << __DRI_API_GLES3;
542 }
543
544 disp->ClientAPIs = 0;
545 if (api_mask & (1 <<__DRI_API_OPENGL))
546 disp->ClientAPIs |= EGL_OPENGL_BIT;
547 if (api_mask & (1 <<__DRI_API_GLES))
548 disp->ClientAPIs |= EGL_OPENGL_ES_BIT;
549 if (api_mask & (1 << __DRI_API_GLES2))
550 disp->ClientAPIs |= EGL_OPENGL_ES2_BIT;
551 if (api_mask & (1 << __DRI_API_GLES3))
552 disp->ClientAPIs |= EGL_OPENGL_ES3_BIT_KHR;
553
554 assert(dri2_dpy->dri2 || dri2_dpy->swrast);
555 disp->Extensions.KHR_surfaceless_context = EGL_TRUE;
556 disp->Extensions.MESA_configless_context = EGL_TRUE;
557
558 if (dri2_dpy->dri2 && dri2_dpy->dri2->base.version >= 3) {
559 disp->Extensions.KHR_create_context = EGL_TRUE;
560
561 if (dri2_dpy->robustness)
562 disp->Extensions.EXT_create_context_robustness = EGL_TRUE;
563 }
564
565 if (dri2_dpy->fence) {
566 disp->Extensions.KHR_fence_sync = EGL_TRUE;
567 disp->Extensions.KHR_wait_sync = EGL_TRUE;
568 if (dri2_dpy->fence->get_fence_from_cl_event)
569 disp->Extensions.KHR_cl_event2 = EGL_TRUE;
570 }
571
572 if (dri2_dpy->image) {
573 if (dri2_dpy->image->base.version >= 10 &&
574 dri2_dpy->image->getCapabilities != NULL) {
575 int capabilities;
576
577 capabilities = dri2_dpy->image->getCapabilities(dri2_dpy->dri_screen);
578 disp->Extensions.MESA_drm_image = (capabilities & __DRI_IMAGE_CAP_GLOBAL_NAMES) != 0;
579
580 if (dri2_dpy->image->base.version >= 11)
581 disp->Extensions.MESA_image_dma_buf_export = EGL_TRUE;
582 } else {
583 disp->Extensions.MESA_drm_image = EGL_TRUE;
584 if (dri2_dpy->image->base.version >= 11)
585 disp->Extensions.MESA_image_dma_buf_export = EGL_TRUE;
586 }
587
588 disp->Extensions.KHR_image_base = EGL_TRUE;
589 disp->Extensions.KHR_gl_renderbuffer_image = EGL_TRUE;
590 if (dri2_dpy->image->base.version >= 5 &&
591 dri2_dpy->image->createImageFromTexture) {
592 disp->Extensions.KHR_gl_texture_2D_image = EGL_TRUE;
593 disp->Extensions.KHR_gl_texture_cubemap_image = EGL_TRUE;
594 }
595 #ifdef HAVE_LIBDRM
596 if (dri2_dpy->image->base.version >= 8 &&
597 dri2_dpy->image->createImageFromDmaBufs) {
598 disp->Extensions.EXT_image_dma_buf_import = EGL_TRUE;
599 }
600 #endif
601 }
602 }
603
604 /* All platforms but DRM call this function to create the screen, query the
605 * dri extensions, setup the vtables and populate the driver_configs.
606 * DRM inherits all that information from its display - GBM.
607 */
608 EGLBoolean
609 dri2_create_screen(_EGLDisplay *disp)
610 {
611 const __DRIextension **extensions;
612 struct dri2_egl_display *dri2_dpy;
613 unsigned i;
614
615 dri2_dpy = disp->DriverData;
616
617 if (dri2_dpy->dri2) {
618 if (dri2_dpy->dri2->base.version >= 4) {
619 dri2_dpy->dri_screen =
620 dri2_dpy->dri2->createNewScreen2(0, dri2_dpy->fd,
621 dri2_dpy->extensions,
622 dri2_dpy->driver_extensions,
623 &dri2_dpy->driver_configs, disp);
624 } else {
625 dri2_dpy->dri_screen =
626 dri2_dpy->dri2->createNewScreen(0, dri2_dpy->fd,
627 dri2_dpy->extensions,
628 &dri2_dpy->driver_configs, disp);
629 }
630 } else {
631 assert(dri2_dpy->swrast);
632 if (dri2_dpy->swrast->base.version >= 4) {
633 dri2_dpy->dri_screen =
634 dri2_dpy->swrast->createNewScreen2(0, dri2_dpy->extensions,
635 dri2_dpy->driver_extensions,
636 &dri2_dpy->driver_configs, disp);
637 } else {
638 dri2_dpy->dri_screen =
639 dri2_dpy->swrast->createNewScreen(0, dri2_dpy->extensions,
640 &dri2_dpy->driver_configs, disp);
641 }
642 }
643
644 if (dri2_dpy->dri_screen == NULL) {
645 _eglLog(_EGL_WARNING, "DRI2: failed to create dri screen");
646 return EGL_FALSE;
647 }
648
649 dri2_dpy->own_dri_screen = 1;
650
651 extensions = dri2_dpy->core->getExtensions(dri2_dpy->dri_screen);
652
653 if (dri2_dpy->dri2) {
654 if (!dri2_bind_extensions(dri2_dpy, dri2_core_extensions, extensions))
655 goto cleanup_dri_screen;
656 } else {
657 assert(dri2_dpy->swrast);
658 if (!dri2_bind_extensions(dri2_dpy, swrast_core_extensions, extensions))
659 goto cleanup_dri_screen;
660 }
661
662 for (i = 0; extensions[i]; i++) {
663 if (strcmp(extensions[i]->name, __DRI2_ROBUSTNESS) == 0) {
664 dri2_dpy->robustness = (__DRIrobustnessExtension *) extensions[i];
665 }
666 if (strcmp(extensions[i]->name, __DRI2_CONFIG_QUERY) == 0) {
667 dri2_dpy->config = (__DRI2configQueryExtension *) extensions[i];
668 }
669 if (strcmp(extensions[i]->name, __DRI2_FENCE) == 0) {
670 dri2_dpy->fence = (__DRI2fenceExtension *) extensions[i];
671 }
672 }
673
674 dri2_setup_screen(disp);
675
676 return EGL_TRUE;
677
678 cleanup_dri_screen:
679 dri2_dpy->core->destroyScreen(dri2_dpy->dri_screen);
680
681 return EGL_FALSE;
682 }
683
684 /**
685 * Called via eglInitialize(), GLX_drv->API.Initialize().
686 */
687 static EGLBoolean
688 dri2_initialize(_EGLDriver *drv, _EGLDisplay *disp)
689 {
690 /* not until swrast_dri is supported */
691 if (disp->Options.UseFallback)
692 return EGL_FALSE;
693
694 switch (disp->Platform) {
695 #ifdef HAVE_SURFACELESS_PLATFORM
696 case _EGL_PLATFORM_SURFACELESS:
697 if (disp->Options.TestOnly)
698 return EGL_TRUE;
699 return dri2_initialize_surfaceless(drv, disp);
700 #endif
701
702 #ifdef HAVE_X11_PLATFORM
703 case _EGL_PLATFORM_X11:
704 if (disp->Options.TestOnly)
705 return EGL_TRUE;
706 return dri2_initialize_x11(drv, disp);
707 #endif
708
709 #ifdef HAVE_DRM_PLATFORM
710 case _EGL_PLATFORM_DRM:
711 if (disp->Options.TestOnly)
712 return EGL_TRUE;
713 return dri2_initialize_drm(drv, disp);
714 #endif
715 #ifdef HAVE_WAYLAND_PLATFORM
716 case _EGL_PLATFORM_WAYLAND:
717 if (disp->Options.TestOnly)
718 return EGL_TRUE;
719 return dri2_initialize_wayland(drv, disp);
720 #endif
721 #ifdef HAVE_ANDROID_PLATFORM
722 case _EGL_PLATFORM_ANDROID:
723 if (disp->Options.TestOnly)
724 return EGL_TRUE;
725 return dri2_initialize_android(drv, disp);
726 #endif
727
728 default:
729 _eglLog(_EGL_WARNING, "No EGL platform enabled.");
730 return EGL_FALSE;
731 }
732 }
733
734 /**
735 * Called via eglTerminate(), drv->API.Terminate().
736 */
737 static EGLBoolean
738 dri2_terminate(_EGLDriver *drv, _EGLDisplay *disp)
739 {
740 struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
741 unsigned i;
742
743 _eglReleaseDisplayResources(drv, disp);
744 _eglCleanupDisplay(disp);
745
746 if (dri2_dpy->own_dri_screen)
747 dri2_dpy->core->destroyScreen(dri2_dpy->dri_screen);
748 if (dri2_dpy->fd)
749 close(dri2_dpy->fd);
750 if (dri2_dpy->driver)
751 dlclose(dri2_dpy->driver);
752 free(dri2_dpy->device_name);
753 free(dri2_dpy->driver_name);
754
755 switch (disp->Platform) {
756 #ifdef HAVE_X11_PLATFORM
757 case _EGL_PLATFORM_X11:
758 if (dri2_dpy->own_device) {
759 xcb_disconnect(dri2_dpy->conn);
760 }
761 break;
762 #endif
763 #ifdef HAVE_DRM_PLATFORM
764 case _EGL_PLATFORM_DRM:
765 if (dri2_dpy->own_device) {
766 gbm_device_destroy(&dri2_dpy->gbm_dri->base.base);
767 }
768 break;
769 #endif
770 #ifdef HAVE_WAYLAND_PLATFORM
771 case _EGL_PLATFORM_WAYLAND:
772 if (dri2_dpy->wl_drm)
773 wl_drm_destroy(dri2_dpy->wl_drm);
774 if (dri2_dpy->wl_shm)
775 wl_shm_destroy(dri2_dpy->wl_shm);
776 wl_registry_destroy(dri2_dpy->wl_registry);
777 wl_event_queue_destroy(dri2_dpy->wl_queue);
778 if (dri2_dpy->own_device) {
779 wl_display_disconnect(dri2_dpy->wl_dpy);
780 }
781 break;
782 #endif
783 default:
784 break;
785 }
786
787 /* The drm platform does not create the screen/driver_configs but reuses
788 * the ones from the gbm device. As such the gbm itself is responsible
789 * for the cleanup.
790 */
791 if (disp->Platform != _EGL_PLATFORM_DRM) {
792 for (i = 0; dri2_dpy->driver_configs[i]; i++)
793 free((__DRIconfig *) dri2_dpy->driver_configs[i]);
794 free(dri2_dpy->driver_configs);
795 }
796 free(dri2_dpy);
797 disp->DriverData = NULL;
798
799 return EGL_TRUE;
800 }
801
802 /**
803 * Set the error code after a call to
804 * dri2_egl_display::dri2::createContextAttribs.
805 */
806 static void
807 dri2_create_context_attribs_error(int dri_error)
808 {
809 EGLint egl_error;
810
811 switch (dri_error) {
812 case __DRI_CTX_ERROR_SUCCESS:
813 return;
814
815 case __DRI_CTX_ERROR_NO_MEMORY:
816 egl_error = EGL_BAD_ALLOC;
817 break;
818
819 /* From the EGL_KHR_create_context spec, section "Errors":
820 *
821 * * If <config> does not support a client API context compatible
822 * with the requested API major and minor version, [...] context flags,
823 * and context reset notification behavior (for client API types where
824 * these attributes are supported), then an EGL_BAD_MATCH error is
825 * generated.
826 *
827 * * If an OpenGL ES context is requested and the values for
828 * attributes EGL_CONTEXT_MAJOR_VERSION_KHR and
829 * EGL_CONTEXT_MINOR_VERSION_KHR specify an OpenGL ES version that
830 * is not defined, than an EGL_BAD_MATCH error is generated.
831 *
832 * * If an OpenGL context is requested, the requested version is
833 * greater than 3.2, and the value for attribute
834 * EGL_CONTEXT_OPENGL_PROFILE_MASK_KHR has no bits set; has any
835 * bits set other than EGL_CONTEXT_OPENGL_CORE_PROFILE_BIT_KHR and
836 * EGL_CONTEXT_OPENGL_COMPATIBILITY_PROFILE_BIT_KHR; has more than
837 * one of these bits set; or if the implementation does not support
838 * the requested profile, then an EGL_BAD_MATCH error is generated.
839 */
840 case __DRI_CTX_ERROR_BAD_API:
841 case __DRI_CTX_ERROR_BAD_VERSION:
842 case __DRI_CTX_ERROR_BAD_FLAG:
843 egl_error = EGL_BAD_MATCH;
844 break;
845
846 /* From the EGL_KHR_create_context spec, section "Errors":
847 *
848 * * If an attribute name or attribute value in <attrib_list> is not
849 * recognized (including unrecognized bits in bitmask attributes),
850 * then an EGL_BAD_ATTRIBUTE error is generated."
851 */
852 case __DRI_CTX_ERROR_UNKNOWN_ATTRIBUTE:
853 case __DRI_CTX_ERROR_UNKNOWN_FLAG:
854 egl_error = EGL_BAD_ATTRIBUTE;
855 break;
856
857 default:
858 assert(0);
859 egl_error = EGL_BAD_MATCH;
860 break;
861 }
862
863 _eglError(egl_error, "dri2_create_context");
864 }
865
866 /**
867 * Called via eglCreateContext(), drv->API.CreateContext().
868 */
869 static _EGLContext *
870 dri2_create_context(_EGLDriver *drv, _EGLDisplay *disp, _EGLConfig *conf,
871 _EGLContext *share_list, const EGLint *attrib_list)
872 {
873 struct dri2_egl_context *dri2_ctx;
874 struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
875 struct dri2_egl_context *dri2_ctx_shared = dri2_egl_context(share_list);
876 __DRIcontext *shared =
877 dri2_ctx_shared ? dri2_ctx_shared->dri_context : NULL;
878 struct dri2_egl_config *dri2_config = dri2_egl_config(conf);
879 const __DRIconfig *dri_config;
880 int api;
881
882 (void) drv;
883
884 dri2_ctx = malloc(sizeof *dri2_ctx);
885 if (!dri2_ctx) {
886 _eglError(EGL_BAD_ALLOC, "eglCreateContext");
887 return NULL;
888 }
889
890 if (!_eglInitContext(&dri2_ctx->base, disp, conf, attrib_list))
891 goto cleanup;
892
893 switch (dri2_ctx->base.ClientAPI) {
894 case EGL_OPENGL_ES_API:
895 switch (dri2_ctx->base.ClientMajorVersion) {
896 case 1:
897 api = __DRI_API_GLES;
898 break;
899 case 2:
900 api = __DRI_API_GLES2;
901 break;
902 case 3:
903 api = __DRI_API_GLES3;
904 break;
905 default:
906 _eglError(EGL_BAD_PARAMETER, "eglCreateContext");
907 free(dri2_ctx);
908 return NULL;
909 }
910 break;
911 case EGL_OPENGL_API:
912 if ((dri2_ctx->base.ClientMajorVersion >= 4
913 || (dri2_ctx->base.ClientMajorVersion == 3
914 && dri2_ctx->base.ClientMinorVersion >= 2))
915 && dri2_ctx->base.Profile == EGL_CONTEXT_OPENGL_CORE_PROFILE_BIT_KHR)
916 api = __DRI_API_OPENGL_CORE;
917 else
918 api = __DRI_API_OPENGL;
919 break;
920 default:
921 _eglError(EGL_BAD_PARAMETER, "eglCreateContext");
922 free(dri2_ctx);
923 return NULL;
924 }
925
926 if (conf != NULL) {
927 /* The config chosen here isn't necessarily
928 * used for surfaces later.
929 * A pixmap surface will use the single config.
930 * This opportunity depends on disabling the
931 * doubleBufferMode check in
932 * src/mesa/main/context.c:check_compatible()
933 */
934 if (dri2_config->dri_double_config)
935 dri_config = dri2_config->dri_double_config;
936 else
937 dri_config = dri2_config->dri_single_config;
938
939 /* EGL_WINDOW_BIT is set only when there is a dri_double_config. This
940 * makes sure the back buffer will always be used.
941 */
942 if (conf->SurfaceType & EGL_WINDOW_BIT)
943 dri2_ctx->base.WindowRenderBuffer = EGL_BACK_BUFFER;
944 }
945 else
946 dri_config = NULL;
947
948 if (dri2_dpy->dri2) {
949 if (dri2_dpy->dri2->base.version >= 3) {
950 unsigned error;
951 unsigned num_attribs = 0;
952 uint32_t ctx_attribs[8];
953
954 ctx_attribs[num_attribs++] = __DRI_CTX_ATTRIB_MAJOR_VERSION;
955 ctx_attribs[num_attribs++] = dri2_ctx->base.ClientMajorVersion;
956 ctx_attribs[num_attribs++] = __DRI_CTX_ATTRIB_MINOR_VERSION;
957 ctx_attribs[num_attribs++] = dri2_ctx->base.ClientMinorVersion;
958
959 if (dri2_ctx->base.Flags != 0) {
960 /* If the implementation doesn't support the __DRI2_ROBUSTNESS
961 * extension, don't even try to send it the robust-access flag.
962 * It may explode. Instead, generate the required EGL error here.
963 */
964 if ((dri2_ctx->base.Flags & EGL_CONTEXT_OPENGL_ROBUST_ACCESS_BIT_KHR) != 0
965 && !dri2_dpy->robustness) {
966 _eglError(EGL_BAD_MATCH, "eglCreateContext");
967 goto cleanup;
968 }
969
970 ctx_attribs[num_attribs++] = __DRI_CTX_ATTRIB_FLAGS;
971 ctx_attribs[num_attribs++] = dri2_ctx->base.Flags;
972 }
973
974 if (dri2_ctx->base.ResetNotificationStrategy != EGL_NO_RESET_NOTIFICATION_KHR) {
975 /* If the implementation doesn't support the __DRI2_ROBUSTNESS
976 * extension, don't even try to send it a reset strategy. It may
977 * explode. Instead, generate the required EGL error here.
978 */
979 if (!dri2_dpy->robustness) {
980 _eglError(EGL_BAD_CONFIG, "eglCreateContext");
981 goto cleanup;
982 }
983
984 ctx_attribs[num_attribs++] = __DRI_CTX_ATTRIB_RESET_STRATEGY;
985 ctx_attribs[num_attribs++] = __DRI_CTX_RESET_LOSE_CONTEXT;
986 }
987
988 assert(num_attribs <= ARRAY_SIZE(ctx_attribs));
989
990 dri2_ctx->dri_context =
991 dri2_dpy->dri2->createContextAttribs(dri2_dpy->dri_screen,
992 api,
993 dri_config,
994 shared,
995 num_attribs / 2,
996 ctx_attribs,
997 & error,
998 dri2_ctx);
999 dri2_create_context_attribs_error(error);
1000 } else {
1001 dri2_ctx->dri_context =
1002 dri2_dpy->dri2->createNewContextForAPI(dri2_dpy->dri_screen,
1003 api,
1004 dri_config,
1005 shared,
1006 dri2_ctx);
1007 }
1008 } else {
1009 assert(dri2_dpy->swrast);
1010 dri2_ctx->dri_context =
1011 dri2_dpy->swrast->createNewContextForAPI(dri2_dpy->dri_screen,
1012 api,
1013 dri_config,
1014 shared,
1015 dri2_ctx);
1016 }
1017
1018 if (!dri2_ctx->dri_context)
1019 goto cleanup;
1020
1021 return &dri2_ctx->base;
1022
1023 cleanup:
1024 free(dri2_ctx);
1025 return NULL;
1026 }
1027
1028 /**
1029 * Called via eglDestroyContext(), drv->API.DestroyContext().
1030 */
1031 static EGLBoolean
1032 dri2_destroy_context(_EGLDriver *drv, _EGLDisplay *disp, _EGLContext *ctx)
1033 {
1034 struct dri2_egl_context *dri2_ctx = dri2_egl_context(ctx);
1035 struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
1036
1037 if (_eglPutContext(ctx)) {
1038 dri2_dpy->core->destroyContext(dri2_ctx->dri_context);
1039 free(dri2_ctx);
1040 }
1041
1042 return EGL_TRUE;
1043 }
1044
1045 /**
1046 * Called via eglMakeCurrent(), drv->API.MakeCurrent().
1047 */
1048 static EGLBoolean
1049 dri2_make_current(_EGLDriver *drv, _EGLDisplay *disp, _EGLSurface *dsurf,
1050 _EGLSurface *rsurf, _EGLContext *ctx)
1051 {
1052 struct dri2_egl_driver *dri2_drv = dri2_egl_driver(drv);
1053 struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
1054 struct dri2_egl_surface *dri2_dsurf = dri2_egl_surface(dsurf);
1055 struct dri2_egl_surface *dri2_rsurf = dri2_egl_surface(rsurf);
1056 struct dri2_egl_context *dri2_ctx = dri2_egl_context(ctx);
1057 _EGLContext *old_ctx;
1058 _EGLSurface *old_dsurf, *old_rsurf;
1059 __DRIdrawable *ddraw, *rdraw;
1060 __DRIcontext *cctx;
1061
1062 /* make new bindings */
1063 if (!_eglBindContext(ctx, dsurf, rsurf, &old_ctx, &old_dsurf, &old_rsurf))
1064 return EGL_FALSE;
1065
1066 /* flush before context switch */
1067 if (old_ctx && dri2_drv->glFlush)
1068 dri2_drv->glFlush();
1069
1070 ddraw = (dri2_dsurf) ? dri2_dsurf->dri_drawable : NULL;
1071 rdraw = (dri2_rsurf) ? dri2_rsurf->dri_drawable : NULL;
1072 cctx = (dri2_ctx) ? dri2_ctx->dri_context : NULL;
1073
1074 if (old_ctx) {
1075 __DRIcontext *old_cctx = dri2_egl_context(old_ctx)->dri_context;
1076 dri2_dpy->core->unbindContext(old_cctx);
1077 }
1078
1079 if ((cctx == NULL && ddraw == NULL && rdraw == NULL) ||
1080 dri2_dpy->core->bindContext(cctx, ddraw, rdraw)) {
1081 if (old_dsurf)
1082 drv->API.DestroySurface(drv, disp, old_dsurf);
1083 if (old_rsurf)
1084 drv->API.DestroySurface(drv, disp, old_rsurf);
1085 if (old_ctx)
1086 drv->API.DestroyContext(drv, disp, old_ctx);
1087
1088 return EGL_TRUE;
1089 } else {
1090 /* undo the previous _eglBindContext */
1091 _eglBindContext(old_ctx, old_dsurf, old_rsurf, &ctx, &dsurf, &rsurf);
1092 assert(&dri2_ctx->base == ctx &&
1093 &dri2_dsurf->base == dsurf &&
1094 &dri2_rsurf->base == rsurf);
1095
1096 _eglPutSurface(dsurf);
1097 _eglPutSurface(rsurf);
1098 _eglPutContext(ctx);
1099
1100 _eglPutSurface(old_dsurf);
1101 _eglPutSurface(old_rsurf);
1102 _eglPutContext(old_ctx);
1103
1104 return EGL_FALSE;
1105 }
1106 }
1107
1108 /*
1109 * Called from eglGetProcAddress() via drv->API.GetProcAddress().
1110 */
1111 static _EGLProc
1112 dri2_get_proc_address(_EGLDriver *drv, const char *procname)
1113 {
1114 struct dri2_egl_driver *dri2_drv = dri2_egl_driver(drv);
1115
1116 return dri2_drv->get_proc_address(procname);
1117 }
1118
1119 static _EGLSurface*
1120 dri2_create_window_surface(_EGLDriver *drv, _EGLDisplay *dpy,
1121 _EGLConfig *conf, void *native_window,
1122 const EGLint *attrib_list)
1123 {
1124 struct dri2_egl_display *dri2_dpy = dri2_egl_display(dpy);
1125 return dri2_dpy->vtbl->create_window_surface(drv, dpy, conf, native_window,
1126 attrib_list);
1127 }
1128
1129 static _EGLSurface*
1130 dri2_create_pixmap_surface(_EGLDriver *drv, _EGLDisplay *dpy,
1131 _EGLConfig *conf, void *native_pixmap,
1132 const EGLint *attrib_list)
1133 {
1134 struct dri2_egl_display *dri2_dpy = dri2_egl_display(dpy);
1135 return dri2_dpy->vtbl->create_pixmap_surface(drv, dpy, conf, native_pixmap,
1136 attrib_list);
1137 }
1138
1139 static _EGLSurface*
1140 dri2_create_pbuffer_surface(_EGLDriver *drv, _EGLDisplay *dpy,
1141 _EGLConfig *conf, const EGLint *attrib_list)
1142 {
1143 struct dri2_egl_display *dri2_dpy = dri2_egl_display(dpy);
1144 return dri2_dpy->vtbl->create_pbuffer_surface(drv, dpy, conf, attrib_list);
1145 }
1146
1147 static EGLBoolean
1148 dri2_destroy_surface(_EGLDriver *drv, _EGLDisplay *dpy, _EGLSurface *surf)
1149 {
1150 struct dri2_egl_display *dri2_dpy = dri2_egl_display(dpy);
1151 return dri2_dpy->vtbl->destroy_surface(drv, dpy, surf);
1152 }
1153
1154 static EGLBoolean
1155 dri2_swap_interval(_EGLDriver *drv, _EGLDisplay *dpy, _EGLSurface *surf,
1156 EGLint interval)
1157 {
1158 struct dri2_egl_display *dri2_dpy = dri2_egl_display(dpy);
1159 return dri2_dpy->vtbl->swap_interval(drv, dpy, surf, interval);
1160 }
1161
1162 /**
1163 * Asks the client API to flush any rendering to the drawable so that we can
1164 * do our swapbuffers.
1165 */
1166 void
1167 dri2_flush_drawable_for_swapbuffers(_EGLDisplay *disp, _EGLSurface *draw)
1168 {
1169 struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
1170 struct dri2_egl_surface *dri2_surf = dri2_egl_surface(draw);
1171
1172 if (dri2_dpy->flush) {
1173 if (dri2_dpy->flush->base.version >= 4) {
1174 /* We know there's a current context because:
1175 *
1176 * "If surface is not bound to the calling thread’s current
1177 * context, an EGL_BAD_SURFACE error is generated."
1178 */
1179 _EGLContext *ctx = _eglGetCurrentContext();
1180 struct dri2_egl_context *dri2_ctx = dri2_egl_context(ctx);
1181
1182 /* From the EGL 1.4 spec (page 52):
1183 *
1184 * "The contents of ancillary buffers are always undefined
1185 * after calling eglSwapBuffers."
1186 */
1187 dri2_dpy->flush->flush_with_flags(dri2_ctx->dri_context,
1188 dri2_surf->dri_drawable,
1189 __DRI2_FLUSH_DRAWABLE |
1190 __DRI2_FLUSH_INVALIDATE_ANCILLARY,
1191 __DRI2_THROTTLE_SWAPBUFFER);
1192 } else {
1193 dri2_dpy->flush->flush(dri2_surf->dri_drawable);
1194 }
1195 }
1196 }
1197
1198 static EGLBoolean
1199 dri2_swap_buffers(_EGLDriver *drv, _EGLDisplay *dpy, _EGLSurface *surf)
1200 {
1201 struct dri2_egl_display *dri2_dpy = dri2_egl_display(dpy);
1202 return dri2_dpy->vtbl->swap_buffers(drv, dpy, surf);
1203 }
1204
1205 static EGLBoolean
1206 dri2_swap_buffers_with_damage(_EGLDriver *drv, _EGLDisplay *dpy,
1207 _EGLSurface *surf,
1208 const EGLint *rects, EGLint n_rects)
1209 {
1210 struct dri2_egl_display *dri2_dpy = dri2_egl_display(dpy);
1211 return dri2_dpy->vtbl->swap_buffers_with_damage(drv, dpy, surf,
1212 rects, n_rects);
1213 }
1214
1215 static EGLBoolean
1216 dri2_swap_buffers_region(_EGLDriver *drv, _EGLDisplay *dpy, _EGLSurface *surf,
1217 EGLint numRects, const EGLint *rects)
1218 {
1219 struct dri2_egl_display *dri2_dpy = dri2_egl_display(dpy);
1220 return dri2_dpy->vtbl->swap_buffers_region(drv, dpy, surf, numRects, rects);
1221 }
1222
1223 static EGLBoolean
1224 dri2_post_sub_buffer(_EGLDriver *drv, _EGLDisplay *dpy, _EGLSurface *surf,
1225 EGLint x, EGLint y, EGLint width, EGLint height)
1226 {
1227 struct dri2_egl_display *dri2_dpy = dri2_egl_display(dpy);
1228 return dri2_dpy->vtbl->post_sub_buffer(drv, dpy, surf, x, y, width, height);
1229 }
1230
1231 static EGLBoolean
1232 dri2_copy_buffers(_EGLDriver *drv, _EGLDisplay *dpy, _EGLSurface *surf,
1233 void *native_pixmap_target)
1234 {
1235 struct dri2_egl_display *dri2_dpy = dri2_egl_display(dpy);
1236 return dri2_dpy->vtbl->copy_buffers(drv, dpy, surf, native_pixmap_target);
1237 }
1238
1239 static EGLint
1240 dri2_query_buffer_age(_EGLDriver *drv, _EGLDisplay *dpy, _EGLSurface *surf)
1241 {
1242 struct dri2_egl_display *dri2_dpy = dri2_egl_display(dpy);
1243 return dri2_dpy->vtbl->query_buffer_age(drv, dpy, surf);
1244 }
1245
1246 static EGLBoolean
1247 dri2_wait_client(_EGLDriver *drv, _EGLDisplay *disp, _EGLContext *ctx)
1248 {
1249 struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
1250 struct dri2_egl_surface *dri2_surf = dri2_egl_surface(ctx->DrawSurface);
1251
1252 (void) drv;
1253
1254 /* FIXME: If EGL allows frontbuffer rendering for window surfaces,
1255 * we need to copy fake to real here.*/
1256
1257 if (dri2_dpy->flush != NULL)
1258 dri2_dpy->flush->flush(dri2_surf->dri_drawable);
1259
1260 return EGL_TRUE;
1261 }
1262
1263 static EGLBoolean
1264 dri2_wait_native(_EGLDriver *drv, _EGLDisplay *disp, EGLint engine)
1265 {
1266 (void) drv;
1267 (void) disp;
1268
1269 if (engine != EGL_CORE_NATIVE_ENGINE)
1270 return _eglError(EGL_BAD_PARAMETER, "eglWaitNative");
1271 /* glXWaitX(); */
1272
1273 return EGL_TRUE;
1274 }
1275
1276 static EGLBoolean
1277 dri2_bind_tex_image(_EGLDriver *drv,
1278 _EGLDisplay *disp, _EGLSurface *surf, EGLint buffer)
1279 {
1280 struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
1281 struct dri2_egl_surface *dri2_surf = dri2_egl_surface(surf);
1282 struct dri2_egl_context *dri2_ctx;
1283 _EGLContext *ctx;
1284 GLint format, target;
1285
1286 ctx = _eglGetCurrentContext();
1287 dri2_ctx = dri2_egl_context(ctx);
1288
1289 if (!_eglBindTexImage(drv, disp, surf, buffer))
1290 return EGL_FALSE;
1291
1292 switch (dri2_surf->base.TextureFormat) {
1293 case EGL_TEXTURE_RGB:
1294 format = __DRI_TEXTURE_FORMAT_RGB;
1295 break;
1296 case EGL_TEXTURE_RGBA:
1297 format = __DRI_TEXTURE_FORMAT_RGBA;
1298 break;
1299 default:
1300 assert(!"Unexpected texture format in dri2_bind_tex_image()");
1301 format = __DRI_TEXTURE_FORMAT_RGBA;
1302 }
1303
1304 switch (dri2_surf->base.TextureTarget) {
1305 case EGL_TEXTURE_2D:
1306 target = GL_TEXTURE_2D;
1307 break;
1308 default:
1309 target = GL_TEXTURE_2D;
1310 assert(!"Unexpected texture target in dri2_bind_tex_image()");
1311 }
1312
1313 (*dri2_dpy->tex_buffer->setTexBuffer2)(dri2_ctx->dri_context,
1314 target, format,
1315 dri2_surf->dri_drawable);
1316
1317 return EGL_TRUE;
1318 }
1319
1320 static EGLBoolean
1321 dri2_release_tex_image(_EGLDriver *drv,
1322 _EGLDisplay *disp, _EGLSurface *surf, EGLint buffer)
1323 {
1324 struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
1325 struct dri2_egl_surface *dri2_surf = dri2_egl_surface(surf);
1326 struct dri2_egl_context *dri2_ctx;
1327 _EGLContext *ctx;
1328 GLint target;
1329
1330 ctx = _eglGetCurrentContext();
1331 dri2_ctx = dri2_egl_context(ctx);
1332
1333 if (!_eglReleaseTexImage(drv, disp, surf, buffer))
1334 return EGL_FALSE;
1335
1336 switch (dri2_surf->base.TextureTarget) {
1337 case EGL_TEXTURE_2D:
1338 target = GL_TEXTURE_2D;
1339 break;
1340 default:
1341 assert(0);
1342 }
1343
1344 if (dri2_dpy->tex_buffer->base.version >= 3 &&
1345 dri2_dpy->tex_buffer->releaseTexBuffer != NULL) {
1346 (*dri2_dpy->tex_buffer->releaseTexBuffer)(dri2_ctx->dri_context,
1347 target,
1348 dri2_surf->dri_drawable);
1349 }
1350
1351 return EGL_TRUE;
1352 }
1353
1354 static _EGLImage*
1355 dri2_create_image(_EGLDriver *drv, _EGLDisplay *dpy, _EGLContext *ctx,
1356 EGLenum target, EGLClientBuffer buffer,
1357 const EGLint *attr_list)
1358 {
1359 struct dri2_egl_display *dri2_dpy = dri2_egl_display(dpy);
1360 return dri2_dpy->vtbl->create_image(drv, dpy, ctx, target, buffer,
1361 attr_list);
1362 }
1363
1364 static _EGLImage *
1365 dri2_create_image_from_dri(_EGLDisplay *disp, __DRIimage *dri_image)
1366 {
1367 struct dri2_egl_image *dri2_img;
1368
1369 if (dri_image == NULL) {
1370 _eglError(EGL_BAD_ALLOC, "dri2_create_image");
1371 return NULL;
1372 }
1373
1374 dri2_img = malloc(sizeof *dri2_img);
1375 if (!dri2_img) {
1376 _eglError(EGL_BAD_ALLOC, "dri2_create_image");
1377 return NULL;
1378 }
1379
1380 if (!_eglInitImage(&dri2_img->base, disp)) {
1381 free(dri2_img);
1382 return NULL;
1383 }
1384
1385 dri2_img->dri_image = dri_image;
1386
1387 return &dri2_img->base;
1388 }
1389
1390 static _EGLImage *
1391 dri2_create_image_khr_renderbuffer(_EGLDisplay *disp, _EGLContext *ctx,
1392 EGLClientBuffer buffer,
1393 const EGLint *attr_list)
1394 {
1395 struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
1396 struct dri2_egl_context *dri2_ctx = dri2_egl_context(ctx);
1397 GLuint renderbuffer = (GLuint) (uintptr_t) buffer;
1398 __DRIimage *dri_image;
1399
1400 if (renderbuffer == 0) {
1401 _eglError(EGL_BAD_PARAMETER, "dri2_create_image_khr");
1402 return EGL_NO_IMAGE_KHR;
1403 }
1404
1405 dri_image =
1406 dri2_dpy->image->createImageFromRenderbuffer(dri2_ctx->dri_context,
1407 renderbuffer, NULL);
1408
1409 return dri2_create_image_from_dri(disp, dri_image);
1410 }
1411
1412 #ifdef HAVE_LIBDRM
1413 static _EGLImage *
1414 dri2_create_image_mesa_drm_buffer(_EGLDisplay *disp, _EGLContext *ctx,
1415 EGLClientBuffer buffer, const EGLint *attr_list)
1416 {
1417 struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
1418 EGLint format, name, pitch, err;
1419 _EGLImageAttribs attrs;
1420 __DRIimage *dri_image;
1421
1422 name = (EGLint) (uintptr_t) buffer;
1423
1424 err = _eglParseImageAttribList(&attrs, disp, attr_list);
1425 if (err != EGL_SUCCESS)
1426 return NULL;
1427
1428 if (attrs.Width <= 0 || attrs.Height <= 0 ||
1429 attrs.DRMBufferStrideMESA <= 0) {
1430 _eglError(EGL_BAD_PARAMETER,
1431 "bad width, height or stride");
1432 return NULL;
1433 }
1434
1435 switch (attrs.DRMBufferFormatMESA) {
1436 case EGL_DRM_BUFFER_FORMAT_ARGB32_MESA:
1437 format = __DRI_IMAGE_FORMAT_ARGB8888;
1438 pitch = attrs.DRMBufferStrideMESA;
1439 break;
1440 default:
1441 _eglError(EGL_BAD_PARAMETER,
1442 "dri2_create_image_khr: unsupported pixmap depth");
1443 return NULL;
1444 }
1445
1446 dri_image =
1447 dri2_dpy->image->createImageFromName(dri2_dpy->dri_screen,
1448 attrs.Width,
1449 attrs.Height,
1450 format,
1451 name,
1452 pitch,
1453 NULL);
1454
1455 return dri2_create_image_from_dri(disp, dri_image);
1456 }
1457 #endif
1458
1459 #ifdef HAVE_WAYLAND_PLATFORM
1460
1461 /* This structure describes how a wl_buffer maps to one or more
1462 * __DRIimages. A wl_drm_buffer stores the wl_drm format code and the
1463 * offsets and strides of the planes in the buffer. This table maps a
1464 * wl_drm format code to a description of the planes in the buffer
1465 * that lets us create a __DRIimage for each of the planes. */
1466
1467 static const struct wl_drm_components_descriptor {
1468 uint32_t dri_components;
1469 EGLint components;
1470 int nplanes;
1471 } wl_drm_components[] = {
1472 { __DRI_IMAGE_COMPONENTS_RGB, EGL_TEXTURE_RGB, 1 },
1473 { __DRI_IMAGE_COMPONENTS_RGBA, EGL_TEXTURE_RGBA, 1 },
1474 { __DRI_IMAGE_COMPONENTS_Y_U_V, EGL_TEXTURE_Y_U_V_WL, 3 },
1475 { __DRI_IMAGE_COMPONENTS_Y_UV, EGL_TEXTURE_Y_UV_WL, 2 },
1476 { __DRI_IMAGE_COMPONENTS_Y_XUXV, EGL_TEXTURE_Y_XUXV_WL, 2 },
1477 };
1478
1479 static _EGLImage *
1480 dri2_create_image_wayland_wl_buffer(_EGLDisplay *disp, _EGLContext *ctx,
1481 EGLClientBuffer _buffer,
1482 const EGLint *attr_list)
1483 {
1484 struct wl_drm_buffer *buffer;
1485 struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
1486 const struct wl_drm_components_descriptor *f;
1487 __DRIimage *dri_image;
1488 _EGLImageAttribs attrs;
1489 EGLint err;
1490 int32_t plane;
1491
1492 buffer = wayland_drm_buffer_get(dri2_dpy->wl_server_drm,
1493 (struct wl_resource *) _buffer);
1494 if (!buffer)
1495 return NULL;
1496
1497 err = _eglParseImageAttribList(&attrs, disp, attr_list);
1498 plane = attrs.PlaneWL;
1499 if (err != EGL_SUCCESS) {
1500 _eglError(EGL_BAD_PARAMETER, "dri2_create_image_wayland_wl_buffer");
1501 return NULL;
1502 }
1503
1504 f = buffer->driver_format;
1505 if (plane < 0 || plane >= f->nplanes) {
1506 _eglError(EGL_BAD_PARAMETER,
1507 "dri2_create_image_wayland_wl_buffer (plane out of bounds)");
1508 return NULL;
1509 }
1510
1511 dri_image = dri2_dpy->image->fromPlanar(buffer->driver_buffer, plane, NULL);
1512
1513 if (dri_image == NULL) {
1514 _eglError(EGL_BAD_PARAMETER, "dri2_create_image_wayland_wl_buffer");
1515 return NULL;
1516 }
1517
1518 return dri2_create_image_from_dri(disp, dri_image);
1519 }
1520 #endif
1521
1522 static EGLBoolean
1523 dri2_get_sync_values_chromium(_EGLDisplay *dpy, _EGLSurface *surf,
1524 EGLuint64KHR *ust, EGLuint64KHR *msc,
1525 EGLuint64KHR *sbc)
1526 {
1527 struct dri2_egl_display *dri2_dpy = dri2_egl_display(dpy);
1528 return dri2_dpy->vtbl->get_sync_values(dpy, surf, ust, msc, sbc);
1529 }
1530
1531 /**
1532 * Set the error code after a call to
1533 * dri2_egl_image::dri_image::createImageFromTexture.
1534 */
1535 static void
1536 dri2_create_image_khr_texture_error(int dri_error)
1537 {
1538 EGLint egl_error;
1539
1540 switch (dri_error) {
1541 case __DRI_IMAGE_ERROR_SUCCESS:
1542 return;
1543
1544 case __DRI_IMAGE_ERROR_BAD_ALLOC:
1545 egl_error = EGL_BAD_ALLOC;
1546 break;
1547
1548 case __DRI_IMAGE_ERROR_BAD_MATCH:
1549 egl_error = EGL_BAD_MATCH;
1550 break;
1551
1552 case __DRI_IMAGE_ERROR_BAD_PARAMETER:
1553 egl_error = EGL_BAD_PARAMETER;
1554 break;
1555
1556 default:
1557 assert(0);
1558 egl_error = EGL_BAD_MATCH;
1559 break;
1560 }
1561
1562 _eglError(egl_error, "dri2_create_image_khr_texture");
1563 }
1564
1565 static _EGLImage *
1566 dri2_create_image_khr_texture(_EGLDisplay *disp, _EGLContext *ctx,
1567 EGLenum target,
1568 EGLClientBuffer buffer,
1569 const EGLint *attr_list)
1570 {
1571 struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
1572 struct dri2_egl_context *dri2_ctx = dri2_egl_context(ctx);
1573 struct dri2_egl_image *dri2_img;
1574 GLuint texture = (GLuint) (uintptr_t) buffer;
1575 _EGLImageAttribs attrs;
1576 GLuint depth;
1577 GLenum gl_target;
1578 unsigned error;
1579
1580 if (texture == 0) {
1581 _eglError(EGL_BAD_PARAMETER, "dri2_create_image_khr");
1582 return EGL_NO_IMAGE_KHR;
1583 }
1584
1585 if (_eglParseImageAttribList(&attrs, disp, attr_list) != EGL_SUCCESS)
1586 return EGL_NO_IMAGE_KHR;
1587
1588 switch (target) {
1589 case EGL_GL_TEXTURE_2D_KHR:
1590 depth = 0;
1591 gl_target = GL_TEXTURE_2D;
1592 break;
1593 case EGL_GL_TEXTURE_3D_KHR:
1594 if (disp->Extensions.KHR_gl_texture_3D_image) {
1595 depth = attrs.GLTextureZOffset;
1596 gl_target = GL_TEXTURE_3D;
1597 break;
1598 }
1599 else {
1600 _eglError(EGL_BAD_PARAMETER, "dri2_create_image_khr");
1601 return EGL_NO_IMAGE_KHR;
1602 }
1603 case EGL_GL_TEXTURE_CUBE_MAP_POSITIVE_X_KHR:
1604 case EGL_GL_TEXTURE_CUBE_MAP_NEGATIVE_X_KHR:
1605 case EGL_GL_TEXTURE_CUBE_MAP_POSITIVE_Y_KHR:
1606 case EGL_GL_TEXTURE_CUBE_MAP_NEGATIVE_Y_KHR:
1607 case EGL_GL_TEXTURE_CUBE_MAP_POSITIVE_Z_KHR:
1608 case EGL_GL_TEXTURE_CUBE_MAP_NEGATIVE_Z_KHR:
1609 depth = target - EGL_GL_TEXTURE_CUBE_MAP_POSITIVE_X_KHR;
1610 gl_target = GL_TEXTURE_CUBE_MAP;
1611 break;
1612 default:
1613 _eglError(EGL_BAD_PARAMETER, "dri2_create_image_khr");
1614 return EGL_NO_IMAGE_KHR;
1615 }
1616
1617 dri2_img = malloc(sizeof *dri2_img);
1618 if (!dri2_img) {
1619 _eglError(EGL_BAD_ALLOC, "dri2_create_image_khr");
1620 return EGL_NO_IMAGE_KHR;
1621 }
1622
1623 if (!_eglInitImage(&dri2_img->base, disp)) {
1624 _eglError(EGL_BAD_ALLOC, "dri2_create_image_khr");
1625 free(dri2_img);
1626 return EGL_NO_IMAGE_KHR;
1627 }
1628
1629 dri2_img->dri_image =
1630 dri2_dpy->image->createImageFromTexture(dri2_ctx->dri_context,
1631 gl_target,
1632 texture,
1633 depth,
1634 attrs.GLTextureLevel,
1635 &error,
1636 dri2_img);
1637 dri2_create_image_khr_texture_error(error);
1638
1639 if (!dri2_img->dri_image) {
1640 free(dri2_img);
1641 return EGL_NO_IMAGE_KHR;
1642 }
1643 return &dri2_img->base;
1644 }
1645
1646 static struct wl_buffer*
1647 dri2_create_wayland_buffer_from_image(_EGLDriver *drv, _EGLDisplay *dpy,
1648 _EGLImage *img)
1649 {
1650 struct dri2_egl_display *dri2_dpy = dri2_egl_display(dpy);
1651 return dri2_dpy->vtbl->create_wayland_buffer_from_image(drv, dpy, img);
1652 }
1653
1654 #ifdef HAVE_LIBDRM
1655 static EGLBoolean
1656 dri2_check_dma_buf_attribs(const _EGLImageAttribs *attrs)
1657 {
1658 unsigned i;
1659
1660 /**
1661 * The spec says:
1662 *
1663 * "Required attributes and their values are as follows:
1664 *
1665 * * EGL_WIDTH & EGL_HEIGHT: The logical dimensions of the buffer in pixels
1666 *
1667 * * EGL_LINUX_DRM_FOURCC_EXT: The pixel format of the buffer, as specified
1668 * by drm_fourcc.h and used as the pixel_format parameter of the
1669 * drm_mode_fb_cmd2 ioctl."
1670 *
1671 * and
1672 *
1673 * "* If <target> is EGL_LINUX_DMA_BUF_EXT, and the list of attributes is
1674 * incomplete, EGL_BAD_PARAMETER is generated."
1675 */
1676 if (attrs->Width <= 0 || attrs->Height <= 0 ||
1677 !attrs->DMABufFourCC.IsPresent) {
1678 _eglError(EGL_BAD_PARAMETER, "attribute(s) missing");
1679 return EGL_FALSE;
1680 }
1681
1682 /**
1683 * Also:
1684 *
1685 * "If <target> is EGL_LINUX_DMA_BUF_EXT and one or more of the values
1686 * specified for a plane's pitch or offset isn't supported by EGL,
1687 * EGL_BAD_ACCESS is generated."
1688 */
1689 for (i = 0; i < ARRAY_SIZE(attrs->DMABufPlanePitches); ++i) {
1690 if (attrs->DMABufPlanePitches[i].IsPresent &&
1691 attrs->DMABufPlanePitches[i].Value <= 0) {
1692 _eglError(EGL_BAD_ACCESS, "invalid pitch");
1693 return EGL_FALSE;
1694 }
1695 }
1696
1697 return EGL_TRUE;
1698 }
1699
1700 /* Returns the total number of file descriptors. Zero indicates an error. */
1701 static unsigned
1702 dri2_check_dma_buf_format(const _EGLImageAttribs *attrs)
1703 {
1704 unsigned i, plane_n;
1705
1706 switch (attrs->DMABufFourCC.Value) {
1707 case DRM_FORMAT_RGB332:
1708 case DRM_FORMAT_BGR233:
1709 case DRM_FORMAT_XRGB4444:
1710 case DRM_FORMAT_XBGR4444:
1711 case DRM_FORMAT_RGBX4444:
1712 case DRM_FORMAT_BGRX4444:
1713 case DRM_FORMAT_ARGB4444:
1714 case DRM_FORMAT_ABGR4444:
1715 case DRM_FORMAT_RGBA4444:
1716 case DRM_FORMAT_BGRA4444:
1717 case DRM_FORMAT_XRGB1555:
1718 case DRM_FORMAT_XBGR1555:
1719 case DRM_FORMAT_RGBX5551:
1720 case DRM_FORMAT_BGRX5551:
1721 case DRM_FORMAT_ARGB1555:
1722 case DRM_FORMAT_ABGR1555:
1723 case DRM_FORMAT_RGBA5551:
1724 case DRM_FORMAT_BGRA5551:
1725 case DRM_FORMAT_RGB565:
1726 case DRM_FORMAT_BGR565:
1727 case DRM_FORMAT_RGB888:
1728 case DRM_FORMAT_BGR888:
1729 case DRM_FORMAT_XRGB8888:
1730 case DRM_FORMAT_XBGR8888:
1731 case DRM_FORMAT_RGBX8888:
1732 case DRM_FORMAT_BGRX8888:
1733 case DRM_FORMAT_ARGB8888:
1734 case DRM_FORMAT_ABGR8888:
1735 case DRM_FORMAT_RGBA8888:
1736 case DRM_FORMAT_BGRA8888:
1737 case DRM_FORMAT_XRGB2101010:
1738 case DRM_FORMAT_XBGR2101010:
1739 case DRM_FORMAT_RGBX1010102:
1740 case DRM_FORMAT_BGRX1010102:
1741 case DRM_FORMAT_ARGB2101010:
1742 case DRM_FORMAT_ABGR2101010:
1743 case DRM_FORMAT_RGBA1010102:
1744 case DRM_FORMAT_BGRA1010102:
1745 case DRM_FORMAT_YUYV:
1746 case DRM_FORMAT_YVYU:
1747 case DRM_FORMAT_UYVY:
1748 case DRM_FORMAT_VYUY:
1749 plane_n = 1;
1750 break;
1751 case DRM_FORMAT_NV12:
1752 case DRM_FORMAT_NV21:
1753 case DRM_FORMAT_NV16:
1754 case DRM_FORMAT_NV61:
1755 plane_n = 2;
1756 break;
1757 case DRM_FORMAT_YUV410:
1758 case DRM_FORMAT_YVU410:
1759 case DRM_FORMAT_YUV411:
1760 case DRM_FORMAT_YVU411:
1761 case DRM_FORMAT_YUV420:
1762 case DRM_FORMAT_YVU420:
1763 case DRM_FORMAT_YUV422:
1764 case DRM_FORMAT_YVU422:
1765 case DRM_FORMAT_YUV444:
1766 case DRM_FORMAT_YVU444:
1767 plane_n = 3;
1768 break;
1769 default:
1770 _eglError(EGL_BAD_ATTRIBUTE, "invalid format");
1771 return 0;
1772 }
1773
1774 /**
1775 * The spec says:
1776 *
1777 * "* If <target> is EGL_LINUX_DMA_BUF_EXT, and the list of attributes is
1778 * incomplete, EGL_BAD_PARAMETER is generated."
1779 */
1780 for (i = 0; i < plane_n; ++i) {
1781 if (!attrs->DMABufPlaneFds[i].IsPresent ||
1782 !attrs->DMABufPlaneOffsets[i].IsPresent ||
1783 !attrs->DMABufPlanePitches[i].IsPresent) {
1784 _eglError(EGL_BAD_PARAMETER, "plane attribute(s) missing");
1785 return 0;
1786 }
1787 }
1788
1789 /**
1790 * The spec also says:
1791 *
1792 * "If <target> is EGL_LINUX_DMA_BUF_EXT, and the EGL_LINUX_DRM_FOURCC_EXT
1793 * attribute indicates a single-plane format, EGL_BAD_ATTRIBUTE is
1794 * generated if any of the EGL_DMA_BUF_PLANE1_* or EGL_DMA_BUF_PLANE2_*
1795 * attributes are specified."
1796 */
1797 for (i = plane_n; i < 3; ++i) {
1798 if (attrs->DMABufPlaneFds[i].IsPresent ||
1799 attrs->DMABufPlaneOffsets[i].IsPresent ||
1800 attrs->DMABufPlanePitches[i].IsPresent) {
1801 _eglError(EGL_BAD_ATTRIBUTE, "too many plane attributes");
1802 return 0;
1803 }
1804 }
1805
1806 return plane_n;
1807 }
1808
1809 /**
1810 * The spec says:
1811 *
1812 * "If eglCreateImageKHR is successful for a EGL_LINUX_DMA_BUF_EXT target, the
1813 * EGL will take a reference to the dma_buf(s) which it will release at any
1814 * time while the EGLDisplay is initialized. It is the responsibility of the
1815 * application to close the dma_buf file descriptors."
1816 *
1817 * Therefore we must never close or otherwise modify the file descriptors.
1818 */
1819 static _EGLImage *
1820 dri2_create_image_dma_buf(_EGLDisplay *disp, _EGLContext *ctx,
1821 EGLClientBuffer buffer, const EGLint *attr_list)
1822 {
1823 struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
1824 _EGLImage *res;
1825 EGLint err;
1826 _EGLImageAttribs attrs;
1827 __DRIimage *dri_image;
1828 unsigned num_fds;
1829 unsigned i;
1830 int fds[3];
1831 int pitches[3];
1832 int offsets[3];
1833 unsigned error;
1834
1835 /**
1836 * The spec says:
1837 *
1838 * ""* If <target> is EGL_LINUX_DMA_BUF_EXT and <buffer> is not NULL, the
1839 * error EGL_BAD_PARAMETER is generated."
1840 */
1841 if (buffer != NULL) {
1842 _eglError(EGL_BAD_PARAMETER, "buffer not NULL");
1843 return NULL;
1844 }
1845
1846 err = _eglParseImageAttribList(&attrs, disp, attr_list);
1847 if (err != EGL_SUCCESS) {
1848 _eglError(err, "bad attribute");
1849 return NULL;
1850 }
1851
1852 if (!dri2_check_dma_buf_attribs(&attrs))
1853 return NULL;
1854
1855 num_fds = dri2_check_dma_buf_format(&attrs);
1856 if (!num_fds)
1857 return NULL;
1858
1859 for (i = 0; i < num_fds; ++i) {
1860 fds[i] = attrs.DMABufPlaneFds[i].Value;
1861 pitches[i] = attrs.DMABufPlanePitches[i].Value;
1862 offsets[i] = attrs.DMABufPlaneOffsets[i].Value;
1863 }
1864
1865 dri_image =
1866 dri2_dpy->image->createImageFromDmaBufs(dri2_dpy->dri_screen,
1867 attrs.Width, attrs.Height, attrs.DMABufFourCC.Value,
1868 fds, num_fds, pitches, offsets,
1869 attrs.DMABufYuvColorSpaceHint.Value,
1870 attrs.DMABufSampleRangeHint.Value,
1871 attrs.DMABufChromaHorizontalSiting.Value,
1872 attrs.DMABufChromaVerticalSiting.Value,
1873 &error,
1874 NULL);
1875 dri2_create_image_khr_texture_error(error);
1876
1877 if (!dri_image)
1878 return EGL_NO_IMAGE_KHR;
1879
1880 res = dri2_create_image_from_dri(disp, dri_image);
1881
1882 return res;
1883 }
1884 #endif
1885
1886 _EGLImage *
1887 dri2_create_image_khr(_EGLDriver *drv, _EGLDisplay *disp,
1888 _EGLContext *ctx, EGLenum target,
1889 EGLClientBuffer buffer, const EGLint *attr_list)
1890 {
1891 (void) drv;
1892
1893 switch (target) {
1894 case EGL_GL_TEXTURE_2D_KHR:
1895 case EGL_GL_TEXTURE_CUBE_MAP_POSITIVE_X_KHR:
1896 case EGL_GL_TEXTURE_CUBE_MAP_NEGATIVE_X_KHR:
1897 case EGL_GL_TEXTURE_CUBE_MAP_POSITIVE_Y_KHR:
1898 case EGL_GL_TEXTURE_CUBE_MAP_NEGATIVE_Y_KHR:
1899 case EGL_GL_TEXTURE_CUBE_MAP_POSITIVE_Z_KHR:
1900 case EGL_GL_TEXTURE_CUBE_MAP_NEGATIVE_Z_KHR:
1901 return dri2_create_image_khr_texture(disp, ctx, target, buffer, attr_list);
1902 case EGL_GL_TEXTURE_3D_KHR:
1903 if (disp->Extensions.KHR_gl_texture_3D_image) {
1904 return dri2_create_image_khr_texture(disp, ctx, target, buffer, attr_list);
1905 }
1906 else {
1907 _eglError(EGL_BAD_PARAMETER, "dri2_create_image_khr");
1908 return EGL_NO_IMAGE_KHR;
1909 }
1910 case EGL_GL_RENDERBUFFER_KHR:
1911 return dri2_create_image_khr_renderbuffer(disp, ctx, buffer, attr_list);
1912 #ifdef HAVE_LIBDRM
1913 case EGL_DRM_BUFFER_MESA:
1914 return dri2_create_image_mesa_drm_buffer(disp, ctx, buffer, attr_list);
1915 #endif
1916 #ifdef HAVE_WAYLAND_PLATFORM
1917 case EGL_WAYLAND_BUFFER_WL:
1918 return dri2_create_image_wayland_wl_buffer(disp, ctx, buffer, attr_list);
1919 #endif
1920 #ifdef HAVE_LIBDRM
1921 case EGL_LINUX_DMA_BUF_EXT:
1922 return dri2_create_image_dma_buf(disp, ctx, buffer, attr_list);
1923 #endif
1924 default:
1925 _eglError(EGL_BAD_PARAMETER, "dri2_create_image_khr");
1926 return EGL_NO_IMAGE_KHR;
1927 }
1928 }
1929
1930 static EGLBoolean
1931 dri2_destroy_image_khr(_EGLDriver *drv, _EGLDisplay *disp, _EGLImage *image)
1932 {
1933 struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
1934 struct dri2_egl_image *dri2_img = dri2_egl_image(image);
1935
1936 (void) drv;
1937
1938 dri2_dpy->image->destroyImage(dri2_img->dri_image);
1939 free(dri2_img);
1940
1941 return EGL_TRUE;
1942 }
1943
1944 #ifdef HAVE_LIBDRM
1945 static _EGLImage *
1946 dri2_create_drm_image_mesa(_EGLDriver *drv, _EGLDisplay *disp,
1947 const EGLint *attr_list)
1948 {
1949 struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
1950 struct dri2_egl_image *dri2_img;
1951 _EGLImageAttribs attrs;
1952 unsigned int dri_use, valid_mask;
1953 int format;
1954 EGLint err = EGL_SUCCESS;
1955
1956 (void) drv;
1957
1958 dri2_img = malloc(sizeof *dri2_img);
1959 if (!dri2_img) {
1960 _eglError(EGL_BAD_ALLOC, "dri2_create_image_khr");
1961 return EGL_NO_IMAGE_KHR;
1962 }
1963
1964 if (!attr_list) {
1965 err = EGL_BAD_PARAMETER;
1966 goto cleanup_img;
1967 }
1968
1969 if (!_eglInitImage(&dri2_img->base, disp)) {
1970 err = EGL_BAD_PARAMETER;
1971 goto cleanup_img;
1972 }
1973
1974 err = _eglParseImageAttribList(&attrs, disp, attr_list);
1975 if (err != EGL_SUCCESS)
1976 goto cleanup_img;
1977
1978 if (attrs.Width <= 0 || attrs.Height <= 0) {
1979 _eglLog(_EGL_WARNING, "bad width or height (%dx%d)",
1980 attrs.Width, attrs.Height);
1981 goto cleanup_img;
1982 }
1983
1984 switch (attrs.DRMBufferFormatMESA) {
1985 case EGL_DRM_BUFFER_FORMAT_ARGB32_MESA:
1986 format = __DRI_IMAGE_FORMAT_ARGB8888;
1987 break;
1988 default:
1989 _eglLog(_EGL_WARNING, "bad image format value 0x%04x",
1990 attrs.DRMBufferFormatMESA);
1991 goto cleanup_img;
1992 }
1993
1994 valid_mask =
1995 EGL_DRM_BUFFER_USE_SCANOUT_MESA |
1996 EGL_DRM_BUFFER_USE_SHARE_MESA |
1997 EGL_DRM_BUFFER_USE_CURSOR_MESA;
1998 if (attrs.DRMBufferUseMESA & ~valid_mask) {
1999 _eglLog(_EGL_WARNING, "bad image use bit 0x%04x",
2000 attrs.DRMBufferUseMESA & ~valid_mask);
2001 goto cleanup_img;
2002 }
2003
2004 dri_use = 0;
2005 if (attrs.DRMBufferUseMESA & EGL_DRM_BUFFER_USE_SHARE_MESA)
2006 dri_use |= __DRI_IMAGE_USE_SHARE;
2007 if (attrs.DRMBufferUseMESA & EGL_DRM_BUFFER_USE_SCANOUT_MESA)
2008 dri_use |= __DRI_IMAGE_USE_SCANOUT;
2009 if (attrs.DRMBufferUseMESA & EGL_DRM_BUFFER_USE_CURSOR_MESA)
2010 dri_use |= __DRI_IMAGE_USE_CURSOR;
2011
2012 dri2_img->dri_image =
2013 dri2_dpy->image->createImage(dri2_dpy->dri_screen,
2014 attrs.Width, attrs.Height,
2015 format, dri_use, dri2_img);
2016 if (dri2_img->dri_image == NULL) {
2017 err = EGL_BAD_ALLOC;
2018 goto cleanup_img;
2019 }
2020
2021 return &dri2_img->base;
2022
2023 cleanup_img:
2024 free(dri2_img);
2025 _eglError(err, "dri2_create_drm_image_mesa");
2026
2027 return EGL_NO_IMAGE_KHR;
2028 }
2029
2030 static EGLBoolean
2031 dri2_export_drm_image_mesa(_EGLDriver *drv, _EGLDisplay *disp, _EGLImage *img,
2032 EGLint *name, EGLint *handle, EGLint *stride)
2033 {
2034 struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
2035 struct dri2_egl_image *dri2_img = dri2_egl_image(img);
2036
2037 (void) drv;
2038
2039 if (name && !dri2_dpy->image->queryImage(dri2_img->dri_image,
2040 __DRI_IMAGE_ATTRIB_NAME, name)) {
2041 _eglError(EGL_BAD_ALLOC, "dri2_export_drm_image_mesa");
2042 return EGL_FALSE;
2043 }
2044
2045 if (handle)
2046 dri2_dpy->image->queryImage(dri2_img->dri_image,
2047 __DRI_IMAGE_ATTRIB_HANDLE, handle);
2048
2049 if (stride)
2050 dri2_dpy->image->queryImage(dri2_img->dri_image,
2051 __DRI_IMAGE_ATTRIB_STRIDE, stride);
2052
2053 return EGL_TRUE;
2054 }
2055
2056 static EGLBoolean
2057 dri2_export_dma_buf_image_query_mesa(_EGLDriver *drv, _EGLDisplay *disp,
2058 _EGLImage *img,
2059 EGLint *fourcc, EGLint *nplanes,
2060 EGLuint64KHR *modifiers)
2061 {
2062 struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
2063 struct dri2_egl_image *dri2_img = dri2_egl_image(img);
2064
2065 (void) drv;
2066
2067
2068 if (nplanes)
2069 dri2_dpy->image->queryImage(dri2_img->dri_image,
2070 __DRI_IMAGE_ATTRIB_NUM_PLANES, nplanes);
2071 if (fourcc)
2072 dri2_dpy->image->queryImage(dri2_img->dri_image,
2073 __DRI_IMAGE_ATTRIB_FOURCC, fourcc);
2074
2075 if (modifiers)
2076 *modifiers = 0;
2077
2078 return EGL_TRUE;
2079 }
2080
2081 static EGLBoolean
2082 dri2_export_dma_buf_image_mesa(_EGLDriver *drv, _EGLDisplay *disp, _EGLImage *img,
2083 int *fds, EGLint *strides, EGLint *offsets)
2084 {
2085 struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
2086 struct dri2_egl_image *dri2_img = dri2_egl_image(img);
2087
2088 (void) drv;
2089
2090 /* rework later to provide multiple fds/strides/offsets */
2091 if (fds)
2092 dri2_dpy->image->queryImage(dri2_img->dri_image,
2093 __DRI_IMAGE_ATTRIB_FD, fds);
2094
2095 if (strides)
2096 dri2_dpy->image->queryImage(dri2_img->dri_image,
2097 __DRI_IMAGE_ATTRIB_STRIDE, strides);
2098
2099 if (offsets)
2100 offsets[0] = 0;
2101
2102 return EGL_TRUE;
2103 }
2104 #endif
2105
2106 #ifdef HAVE_WAYLAND_PLATFORM
2107
2108 static void
2109 dri2_wl_reference_buffer(void *user_data, uint32_t name, int fd,
2110 struct wl_drm_buffer *buffer)
2111 {
2112 _EGLDisplay *disp = user_data;
2113 struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
2114 __DRIimage *img;
2115 int i, dri_components = 0;
2116
2117 if (fd == -1)
2118 img = dri2_dpy->image->createImageFromNames(dri2_dpy->dri_screen,
2119 buffer->width,
2120 buffer->height,
2121 buffer->format,
2122 (int*)&name, 1,
2123 buffer->stride,
2124 buffer->offset,
2125 NULL);
2126 else
2127 img = dri2_dpy->image->createImageFromFds(dri2_dpy->dri_screen,
2128 buffer->width,
2129 buffer->height,
2130 buffer->format,
2131 &fd, 1,
2132 buffer->stride,
2133 buffer->offset,
2134 NULL);
2135
2136 if (img == NULL)
2137 return;
2138
2139 dri2_dpy->image->queryImage(img, __DRI_IMAGE_ATTRIB_COMPONENTS, &dri_components);
2140
2141 buffer->driver_format = NULL;
2142 for (i = 0; i < ARRAY_SIZE(wl_drm_components); i++)
2143 if (wl_drm_components[i].dri_components == dri_components)
2144 buffer->driver_format = &wl_drm_components[i];
2145
2146 if (buffer->driver_format == NULL)
2147 dri2_dpy->image->destroyImage(img);
2148 else
2149 buffer->driver_buffer = img;
2150 }
2151
2152 static void
2153 dri2_wl_release_buffer(void *user_data, struct wl_drm_buffer *buffer)
2154 {
2155 _EGLDisplay *disp = user_data;
2156 struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
2157
2158 dri2_dpy->image->destroyImage(buffer->driver_buffer);
2159 }
2160
2161 static struct wayland_drm_callbacks wl_drm_callbacks = {
2162 .authenticate = NULL,
2163 .reference_buffer = dri2_wl_reference_buffer,
2164 .release_buffer = dri2_wl_release_buffer
2165 };
2166
2167 static EGLBoolean
2168 dri2_bind_wayland_display_wl(_EGLDriver *drv, _EGLDisplay *disp,
2169 struct wl_display *wl_dpy)
2170 {
2171 struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
2172 int flags = 0;
2173 uint64_t cap;
2174
2175 (void) drv;
2176
2177 if (dri2_dpy->wl_server_drm)
2178 return EGL_FALSE;
2179
2180 wl_drm_callbacks.authenticate =
2181 (int(*)(void *, uint32_t)) dri2_dpy->vtbl->authenticate;
2182
2183 #ifdef HAVE_LIBDRM
2184 if (drmGetCap(dri2_dpy->fd, DRM_CAP_PRIME, &cap) == 0 &&
2185 cap == (DRM_PRIME_CAP_IMPORT | DRM_PRIME_CAP_EXPORT) &&
2186 dri2_dpy->image->base.version >= 7 &&
2187 dri2_dpy->image->createImageFromFds != NULL)
2188 flags |= WAYLAND_DRM_PRIME;
2189 #endif
2190
2191 dri2_dpy->wl_server_drm =
2192 wayland_drm_init(wl_dpy, dri2_dpy->device_name,
2193 &wl_drm_callbacks, disp, flags);
2194
2195 if (!dri2_dpy->wl_server_drm)
2196 return EGL_FALSE;
2197
2198 #ifdef HAVE_DRM_PLATFORM
2199 /* We have to share the wl_drm instance with gbm, so gbm can convert
2200 * wl_buffers to gbm bos. */
2201 if (dri2_dpy->gbm_dri)
2202 dri2_dpy->gbm_dri->wl_drm = dri2_dpy->wl_server_drm;
2203 #endif
2204
2205 return EGL_TRUE;
2206 }
2207
2208 static EGLBoolean
2209 dri2_unbind_wayland_display_wl(_EGLDriver *drv, _EGLDisplay *disp,
2210 struct wl_display *wl_dpy)
2211 {
2212 struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
2213
2214 (void) drv;
2215
2216 if (!dri2_dpy->wl_server_drm)
2217 return EGL_FALSE;
2218
2219 wayland_drm_uninit(dri2_dpy->wl_server_drm);
2220 dri2_dpy->wl_server_drm = NULL;
2221
2222 return EGL_TRUE;
2223 }
2224
2225 static EGLBoolean
2226 dri2_query_wayland_buffer_wl(_EGLDriver *drv, _EGLDisplay *disp,
2227 struct wl_resource *buffer_resource,
2228 EGLint attribute, EGLint *value)
2229 {
2230 struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
2231 struct wl_drm_buffer *buffer;
2232 const struct wl_drm_components_descriptor *format;
2233
2234 buffer = wayland_drm_buffer_get(dri2_dpy->wl_server_drm, buffer_resource);
2235 if (!buffer)
2236 return EGL_FALSE;
2237
2238 format = buffer->driver_format;
2239 switch (attribute) {
2240 case EGL_TEXTURE_FORMAT:
2241 *value = format->components;
2242 return EGL_TRUE;
2243 case EGL_WIDTH:
2244 *value = buffer->width;
2245 return EGL_TRUE;
2246 case EGL_HEIGHT:
2247 *value = buffer->height;
2248 return EGL_TRUE;
2249 }
2250
2251 return EGL_FALSE;
2252 }
2253 #endif
2254
2255 static void
2256 dri2_egl_ref_sync(struct dri2_egl_sync *sync)
2257 {
2258 p_atomic_inc(&sync->refcount);
2259 }
2260
2261 static void
2262 dri2_egl_unref_sync(struct dri2_egl_display *dri2_dpy,
2263 struct dri2_egl_sync *dri2_sync)
2264 {
2265 if (p_atomic_dec_zero(&dri2_sync->refcount)) {
2266 dri2_dpy->fence->destroy_fence(dri2_dpy->dri_screen, dri2_sync->fence);
2267 free(dri2_sync);
2268 }
2269 }
2270
2271 static _EGLSync *
2272 dri2_create_sync(_EGLDriver *drv, _EGLDisplay *dpy,
2273 EGLenum type, const EGLint *attrib_list,
2274 const EGLAttrib *attrib_list64)
2275 {
2276 _EGLContext *ctx = _eglGetCurrentContext();
2277 struct dri2_egl_display *dri2_dpy = dri2_egl_display(dpy);
2278 struct dri2_egl_context *dri2_ctx = dri2_egl_context(ctx);
2279 struct dri2_egl_sync *dri2_sync;
2280
2281 dri2_sync = calloc(1, sizeof(struct dri2_egl_sync));
2282 if (!dri2_sync) {
2283 _eglError(EGL_BAD_ALLOC, "eglCreateSyncKHR");
2284 return NULL;
2285 }
2286
2287 if (!_eglInitSync(&dri2_sync->base, dpy, type, attrib_list,
2288 attrib_list64)) {
2289 free(dri2_sync);
2290 return NULL;
2291 }
2292
2293 switch (type) {
2294 case EGL_SYNC_FENCE_KHR:
2295 dri2_sync->fence = dri2_dpy->fence->create_fence(dri2_ctx->dri_context);
2296 if (!dri2_sync->fence) {
2297 /* Why did it fail? DRI doesn't return an error code, so we emit
2298 * a generic EGL error that doesn't communicate user error.
2299 */
2300 _eglError(EGL_BAD_ALLOC, "eglCreateSyncKHR");
2301 free(dri2_sync);
2302 return NULL;
2303 }
2304 break;
2305
2306 case EGL_SYNC_CL_EVENT_KHR:
2307 dri2_sync->fence = dri2_dpy->fence->get_fence_from_cl_event(
2308 dri2_dpy->dri_screen,
2309 dri2_sync->base.CLEvent);
2310 /* this can only happen if the cl_event passed in is invalid. */
2311 if (!dri2_sync->fence) {
2312 _eglError(EGL_BAD_ATTRIBUTE, "eglCreateSyncKHR");
2313 free(dri2_sync);
2314 return NULL;
2315 }
2316
2317 /* the initial status must be "signaled" if the cl_event is signaled */
2318 if (dri2_dpy->fence->client_wait_sync(dri2_ctx->dri_context,
2319 dri2_sync->fence, 0, 0))
2320 dri2_sync->base.SyncStatus = EGL_SIGNALED_KHR;
2321 break;
2322 }
2323
2324 p_atomic_set(&dri2_sync->refcount, 1);
2325 return &dri2_sync->base;
2326 }
2327
2328 static EGLBoolean
2329 dri2_destroy_sync(_EGLDriver *drv, _EGLDisplay *dpy, _EGLSync *sync)
2330 {
2331 struct dri2_egl_display *dri2_dpy = dri2_egl_display(dpy);
2332 struct dri2_egl_sync *dri2_sync = dri2_egl_sync(sync);
2333
2334 dri2_egl_unref_sync(dri2_dpy, dri2_sync);
2335 return EGL_TRUE;
2336 }
2337
2338 static EGLint
2339 dri2_client_wait_sync(_EGLDriver *drv, _EGLDisplay *dpy, _EGLSync *sync,
2340 EGLint flags, EGLTime timeout)
2341 {
2342 _EGLContext *ctx = _eglGetCurrentContext();
2343 struct dri2_egl_display *dri2_dpy = dri2_egl_display(dpy);
2344 struct dri2_egl_context *dri2_ctx = dri2_egl_context(ctx);
2345 struct dri2_egl_sync *dri2_sync = dri2_egl_sync(sync);
2346 unsigned wait_flags = 0;
2347 EGLint ret = EGL_CONDITION_SATISFIED_KHR;
2348
2349 if (flags & EGL_SYNC_FLUSH_COMMANDS_BIT_KHR)
2350 wait_flags |= __DRI2_FENCE_FLAG_FLUSH_COMMANDS;
2351
2352 /* the sync object should take a reference while waiting */
2353 dri2_egl_ref_sync(dri2_sync);
2354
2355 if (dri2_dpy->fence->client_wait_sync(dri2_ctx->dri_context,
2356 dri2_sync->fence, wait_flags,
2357 timeout))
2358 dri2_sync->base.SyncStatus = EGL_SIGNALED_KHR;
2359 else
2360 ret = EGL_TIMEOUT_EXPIRED_KHR;
2361
2362 dri2_egl_unref_sync(dri2_dpy, dri2_sync);
2363 return ret;
2364 }
2365
2366 static EGLint
2367 dri2_server_wait_sync(_EGLDriver *drv, _EGLDisplay *dpy, _EGLSync *sync)
2368 {
2369 _EGLContext *ctx = _eglGetCurrentContext();
2370 struct dri2_egl_display *dri2_dpy = dri2_egl_display(dpy);
2371 struct dri2_egl_context *dri2_ctx = dri2_egl_context(ctx);
2372 struct dri2_egl_sync *dri2_sync = dri2_egl_sync(sync);
2373
2374 dri2_dpy->fence->server_wait_sync(dri2_ctx->dri_context,
2375 dri2_sync->fence, 0);
2376 return EGL_TRUE;
2377 }
2378
2379 static void
2380 dri2_unload(_EGLDriver *drv)
2381 {
2382 struct dri2_egl_driver *dri2_drv = dri2_egl_driver(drv);
2383
2384 if (dri2_drv->handle)
2385 dlclose(dri2_drv->handle);
2386 free(dri2_drv);
2387 }
2388
2389 static EGLBoolean
2390 dri2_load(_EGLDriver *drv)
2391 {
2392 struct dri2_egl_driver *dri2_drv = dri2_egl_driver(drv);
2393 #ifdef HAVE_ANDROID_PLATFORM
2394 const char *libname = "libglapi.so";
2395 #elif defined(__APPLE__)
2396 const char *libname = "libglapi.0.dylib";
2397 #else
2398 const char *libname = "libglapi.so.0";
2399 #endif
2400 void *handle;
2401
2402 /* RTLD_GLOBAL to make sure glapi symbols are visible to DRI drivers */
2403 handle = dlopen(libname, RTLD_LAZY | RTLD_GLOBAL);
2404 if (handle) {
2405 dri2_drv->get_proc_address = (_EGLProc (*)(const char *))
2406 dlsym(handle, "_glapi_get_proc_address");
2407 if (!dri2_drv->get_proc_address || !libname) {
2408 /* no need to keep a reference */
2409 dlclose(handle);
2410 handle = NULL;
2411 }
2412 }
2413
2414 /* if glapi is not available, loading DRI drivers will fail */
2415 if (!dri2_drv->get_proc_address) {
2416 _eglLog(_EGL_WARNING, "DRI2: failed to find _glapi_get_proc_address");
2417 return EGL_FALSE;
2418 }
2419
2420 dri2_drv->glFlush = (void (*)(void))
2421 dri2_drv->get_proc_address("glFlush");
2422
2423 dri2_drv->handle = handle;
2424
2425 return EGL_TRUE;
2426 }
2427
2428 /**
2429 * This is the main entrypoint into the driver, called by libEGL.
2430 * Create a new _EGLDriver object and init its dispatch table.
2431 */
2432 _EGLDriver *
2433 _eglBuiltInDriverDRI2(const char *args)
2434 {
2435 struct dri2_egl_driver *dri2_drv;
2436
2437 (void) args;
2438
2439 dri2_drv = calloc(1, sizeof *dri2_drv);
2440 if (!dri2_drv)
2441 return NULL;
2442
2443 if (!dri2_load(&dri2_drv->base)) {
2444 free(dri2_drv);
2445 return NULL;
2446 }
2447
2448 _eglInitDriverFallbacks(&dri2_drv->base);
2449 dri2_drv->base.API.Initialize = dri2_initialize;
2450 dri2_drv->base.API.Terminate = dri2_terminate;
2451 dri2_drv->base.API.CreateContext = dri2_create_context;
2452 dri2_drv->base.API.DestroyContext = dri2_destroy_context;
2453 dri2_drv->base.API.MakeCurrent = dri2_make_current;
2454 dri2_drv->base.API.CreateWindowSurface = dri2_create_window_surface;
2455 dri2_drv->base.API.CreatePixmapSurface = dri2_create_pixmap_surface;
2456 dri2_drv->base.API.CreatePbufferSurface = dri2_create_pbuffer_surface;
2457 dri2_drv->base.API.DestroySurface = dri2_destroy_surface;
2458 dri2_drv->base.API.GetProcAddress = dri2_get_proc_address;
2459 dri2_drv->base.API.WaitClient = dri2_wait_client;
2460 dri2_drv->base.API.WaitNative = dri2_wait_native;
2461 dri2_drv->base.API.BindTexImage = dri2_bind_tex_image;
2462 dri2_drv->base.API.ReleaseTexImage = dri2_release_tex_image;
2463 dri2_drv->base.API.SwapInterval = dri2_swap_interval;
2464 dri2_drv->base.API.SwapBuffers = dri2_swap_buffers;
2465 dri2_drv->base.API.SwapBuffersWithDamageEXT = dri2_swap_buffers_with_damage;
2466 dri2_drv->base.API.SwapBuffersRegionNOK = dri2_swap_buffers_region;
2467 dri2_drv->base.API.PostSubBufferNV = dri2_post_sub_buffer;
2468 dri2_drv->base.API.CopyBuffers = dri2_copy_buffers,
2469 dri2_drv->base.API.QueryBufferAge = dri2_query_buffer_age;
2470 dri2_drv->base.API.CreateImageKHR = dri2_create_image;
2471 dri2_drv->base.API.DestroyImageKHR = dri2_destroy_image_khr;
2472 dri2_drv->base.API.CreateWaylandBufferFromImageWL = dri2_create_wayland_buffer_from_image;
2473 #ifdef HAVE_LIBDRM
2474 dri2_drv->base.API.CreateDRMImageMESA = dri2_create_drm_image_mesa;
2475 dri2_drv->base.API.ExportDRMImageMESA = dri2_export_drm_image_mesa;
2476 dri2_drv->base.API.ExportDMABUFImageQueryMESA = dri2_export_dma_buf_image_query_mesa;
2477 dri2_drv->base.API.ExportDMABUFImageMESA = dri2_export_dma_buf_image_mesa;
2478 #endif
2479 #ifdef HAVE_WAYLAND_PLATFORM
2480 dri2_drv->base.API.BindWaylandDisplayWL = dri2_bind_wayland_display_wl;
2481 dri2_drv->base.API.UnbindWaylandDisplayWL = dri2_unbind_wayland_display_wl;
2482 dri2_drv->base.API.QueryWaylandBufferWL = dri2_query_wayland_buffer_wl;
2483 #endif
2484 dri2_drv->base.API.GetSyncValuesCHROMIUM = dri2_get_sync_values_chromium;
2485 dri2_drv->base.API.CreateSyncKHR = dri2_create_sync;
2486 dri2_drv->base.API.ClientWaitSyncKHR = dri2_client_wait_sync;
2487 dri2_drv->base.API.WaitSyncKHR = dri2_server_wait_sync;
2488 dri2_drv->base.API.DestroySyncKHR = dri2_destroy_sync;
2489
2490 dri2_drv->base.Name = "DRI2";
2491 dri2_drv->base.Unload = dri2_unload;
2492
2493 return &dri2_drv->base;
2494 }