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