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egl_dri2: fix double free on drm platforms
[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 unsigned i;
670
671 _eglReleaseDisplayResources(drv, disp);
672 _eglCleanupDisplay(disp);
673
674 if (dri2_dpy->own_dri_screen)
675 dri2_dpy->core->destroyScreen(dri2_dpy->dri_screen);
676 if (dri2_dpy->fd)
677 close(dri2_dpy->fd);
678 if (dri2_dpy->driver)
679 dlclose(dri2_dpy->driver);
680 free(dri2_dpy->device_name);
681 free(dri2_dpy->driver_name);
682
683 switch (disp->Platform) {
684 #ifdef HAVE_X11_PLATFORM
685 case _EGL_PLATFORM_X11:
686 if (dri2_dpy->own_device) {
687 xcb_disconnect(dri2_dpy->conn);
688 }
689 break;
690 #endif
691 #ifdef HAVE_DRM_PLATFORM
692 case _EGL_PLATFORM_DRM:
693 if (dri2_dpy->own_device) {
694 gbm_device_destroy(&dri2_dpy->gbm_dri->base.base);
695 }
696 break;
697 #endif
698 #ifdef HAVE_WAYLAND_PLATFORM
699 case _EGL_PLATFORM_WAYLAND:
700 wl_drm_destroy(dri2_dpy->wl_drm);
701 if (dri2_dpy->own_device) {
702 wl_display_disconnect(dri2_dpy->wl_dpy);
703 }
704 break;
705 #endif
706 default:
707 break;
708 }
709
710 /* The drm platform does not create the screen/driver_configs but reuses
711 * the ones from the gbm device. As such the gbm itself is responsible
712 * for the cleanup.
713 */
714 if (disp->Platform != _EGL_PLATFORM_DRM) {
715 for (i = 0; dri2_dpy->driver_configs[i]; i++)
716 free((__DRIconfig *) dri2_dpy->driver_configs[i]);
717 free(dri2_dpy->driver_configs);
718 }
719 free(dri2_dpy);
720 disp->DriverData = NULL;
721
722 return EGL_TRUE;
723 }
724
725 /**
726 * Set the error code after a call to
727 * dri2_egl_display::dri2::createContextAttribs.
728 */
729 static void
730 dri2_create_context_attribs_error(int dri_error)
731 {
732 EGLint egl_error;
733
734 switch (dri_error) {
735 case __DRI_CTX_ERROR_SUCCESS:
736 return;
737
738 case __DRI_CTX_ERROR_NO_MEMORY:
739 egl_error = EGL_BAD_ALLOC;
740 break;
741
742 /* From the EGL_KHR_create_context spec, section "Errors":
743 *
744 * * If <config> does not support a client API context compatible
745 * with the requested API major and minor version, [...] context flags,
746 * and context reset notification behavior (for client API types where
747 * these attributes are supported), then an EGL_BAD_MATCH error is
748 * generated.
749 *
750 * * If an OpenGL ES context is requested and the values for
751 * attributes EGL_CONTEXT_MAJOR_VERSION_KHR and
752 * EGL_CONTEXT_MINOR_VERSION_KHR specify an OpenGL ES version that
753 * is not defined, than an EGL_BAD_MATCH error is generated.
754 *
755 * * If an OpenGL context is requested, the requested version is
756 * greater than 3.2, and the value for attribute
757 * EGL_CONTEXT_OPENGL_PROFILE_MASK_KHR has no bits set; has any
758 * bits set other than EGL_CONTEXT_OPENGL_CORE_PROFILE_BIT_KHR and
759 * EGL_CONTEXT_OPENGL_COMPATIBILITY_PROFILE_BIT_KHR; has more than
760 * one of these bits set; or if the implementation does not support
761 * the requested profile, then an EGL_BAD_MATCH error is generated.
762 */
763 case __DRI_CTX_ERROR_BAD_API:
764 case __DRI_CTX_ERROR_BAD_VERSION:
765 case __DRI_CTX_ERROR_BAD_FLAG:
766 egl_error = EGL_BAD_MATCH;
767 break;
768
769 /* From the EGL_KHR_create_context spec, section "Errors":
770 *
771 * * If an attribute name or attribute value in <attrib_list> is not
772 * recognized (including unrecognized bits in bitmask attributes),
773 * then an EGL_BAD_ATTRIBUTE error is generated."
774 */
775 case __DRI_CTX_ERROR_UNKNOWN_ATTRIBUTE:
776 case __DRI_CTX_ERROR_UNKNOWN_FLAG:
777 egl_error = EGL_BAD_ATTRIBUTE;
778 break;
779
780 default:
781 assert(0);
782 egl_error = EGL_BAD_MATCH;
783 break;
784 }
785
786 _eglError(egl_error, "dri2_create_context");
787 }
788
789 /**
790 * Called via eglCreateContext(), drv->API.CreateContext().
791 */
792 static _EGLContext *
793 dri2_create_context(_EGLDriver *drv, _EGLDisplay *disp, _EGLConfig *conf,
794 _EGLContext *share_list, const EGLint *attrib_list)
795 {
796 struct dri2_egl_context *dri2_ctx;
797 struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
798 struct dri2_egl_context *dri2_ctx_shared = dri2_egl_context(share_list);
799 __DRIcontext *shared =
800 dri2_ctx_shared ? dri2_ctx_shared->dri_context : NULL;
801 struct dri2_egl_config *dri2_config = dri2_egl_config(conf);
802 const __DRIconfig *dri_config;
803 int api;
804
805 (void) drv;
806
807 dri2_ctx = malloc(sizeof *dri2_ctx);
808 if (!dri2_ctx) {
809 _eglError(EGL_BAD_ALLOC, "eglCreateContext");
810 return NULL;
811 }
812
813 if (!_eglInitContext(&dri2_ctx->base, disp, conf, attrib_list))
814 goto cleanup;
815
816 switch (dri2_ctx->base.ClientAPI) {
817 case EGL_OPENGL_ES_API:
818 switch (dri2_ctx->base.ClientMajorVersion) {
819 case 1:
820 api = __DRI_API_GLES;
821 break;
822 case 2:
823 api = __DRI_API_GLES2;
824 break;
825 case 3:
826 api = __DRI_API_GLES3;
827 break;
828 default:
829 _eglError(EGL_BAD_PARAMETER, "eglCreateContext");
830 free(dri2_ctx);
831 return NULL;
832 }
833 break;
834 case EGL_OPENGL_API:
835 if ((dri2_ctx->base.ClientMajorVersion >= 4
836 || (dri2_ctx->base.ClientMajorVersion == 3
837 && dri2_ctx->base.ClientMinorVersion >= 2))
838 && dri2_ctx->base.Profile == EGL_CONTEXT_OPENGL_CORE_PROFILE_BIT_KHR)
839 api = __DRI_API_OPENGL_CORE;
840 else
841 api = __DRI_API_OPENGL;
842 break;
843 default:
844 _eglError(EGL_BAD_PARAMETER, "eglCreateContext");
845 free(dri2_ctx);
846 return NULL;
847 }
848
849 if (conf != NULL) {
850 /* The config chosen here isn't necessarily
851 * used for surfaces later.
852 * A pixmap surface will use the single config.
853 * This opportunity depends on disabling the
854 * doubleBufferMode check in
855 * src/mesa/main/context.c:check_compatible()
856 */
857 if (dri2_config->dri_double_config)
858 dri_config = dri2_config->dri_double_config;
859 else
860 dri_config = dri2_config->dri_single_config;
861
862 /* EGL_WINDOW_BIT is set only when there is a dri_double_config. This
863 * makes sure the back buffer will always be used.
864 */
865 if (conf->SurfaceType & EGL_WINDOW_BIT)
866 dri2_ctx->base.WindowRenderBuffer = EGL_BACK_BUFFER;
867 }
868 else
869 dri_config = NULL;
870
871 if (dri2_dpy->dri2) {
872 if (dri2_dpy->dri2->base.version >= 3) {
873 unsigned error;
874 unsigned num_attribs = 0;
875 uint32_t ctx_attribs[8];
876
877 ctx_attribs[num_attribs++] = __DRI_CTX_ATTRIB_MAJOR_VERSION;
878 ctx_attribs[num_attribs++] = dri2_ctx->base.ClientMajorVersion;
879 ctx_attribs[num_attribs++] = __DRI_CTX_ATTRIB_MINOR_VERSION;
880 ctx_attribs[num_attribs++] = dri2_ctx->base.ClientMinorVersion;
881
882 if (dri2_ctx->base.Flags != 0) {
883 /* If the implementation doesn't support the __DRI2_ROBUSTNESS
884 * extension, don't even try to send it the robust-access flag.
885 * It may explode. Instead, generate the required EGL error here.
886 */
887 if ((dri2_ctx->base.Flags & EGL_CONTEXT_OPENGL_ROBUST_ACCESS_BIT_KHR) != 0
888 && !dri2_dpy->robustness) {
889 _eglError(EGL_BAD_MATCH, "eglCreateContext");
890 goto cleanup;
891 }
892
893 ctx_attribs[num_attribs++] = __DRI_CTX_ATTRIB_FLAGS;
894 ctx_attribs[num_attribs++] = dri2_ctx->base.Flags;
895 }
896
897 if (dri2_ctx->base.ResetNotificationStrategy != EGL_NO_RESET_NOTIFICATION_KHR) {
898 /* If the implementation doesn't support the __DRI2_ROBUSTNESS
899 * extension, don't even try to send it a reset strategy. It may
900 * explode. Instead, generate the required EGL error here.
901 */
902 if (!dri2_dpy->robustness) {
903 _eglError(EGL_BAD_CONFIG, "eglCreateContext");
904 goto cleanup;
905 }
906
907 ctx_attribs[num_attribs++] = __DRI_CTX_ATTRIB_RESET_STRATEGY;
908 ctx_attribs[num_attribs++] = __DRI_CTX_RESET_LOSE_CONTEXT;
909 }
910
911 assert(num_attribs <= ARRAY_SIZE(ctx_attribs));
912
913 dri2_ctx->dri_context =
914 dri2_dpy->dri2->createContextAttribs(dri2_dpy->dri_screen,
915 api,
916 dri_config,
917 shared,
918 num_attribs / 2,
919 ctx_attribs,
920 & error,
921 dri2_ctx);
922 dri2_create_context_attribs_error(error);
923 } else {
924 dri2_ctx->dri_context =
925 dri2_dpy->dri2->createNewContextForAPI(dri2_dpy->dri_screen,
926 api,
927 dri_config,
928 shared,
929 dri2_ctx);
930 }
931 } else {
932 assert(dri2_dpy->swrast);
933 dri2_ctx->dri_context =
934 dri2_dpy->swrast->createNewContextForAPI(dri2_dpy->dri_screen,
935 api,
936 dri_config,
937 shared,
938 dri2_ctx);
939 }
940
941 if (!dri2_ctx->dri_context)
942 goto cleanup;
943
944 return &dri2_ctx->base;
945
946 cleanup:
947 free(dri2_ctx);
948 return NULL;
949 }
950
951 /**
952 * Called via eglDestroyContext(), drv->API.DestroyContext().
953 */
954 static EGLBoolean
955 dri2_destroy_context(_EGLDriver *drv, _EGLDisplay *disp, _EGLContext *ctx)
956 {
957 struct dri2_egl_context *dri2_ctx = dri2_egl_context(ctx);
958 struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
959
960 if (_eglPutContext(ctx)) {
961 dri2_dpy->core->destroyContext(dri2_ctx->dri_context);
962 free(dri2_ctx);
963 }
964
965 return EGL_TRUE;
966 }
967
968 /**
969 * Called via eglMakeCurrent(), drv->API.MakeCurrent().
970 */
971 static EGLBoolean
972 dri2_make_current(_EGLDriver *drv, _EGLDisplay *disp, _EGLSurface *dsurf,
973 _EGLSurface *rsurf, _EGLContext *ctx)
974 {
975 struct dri2_egl_driver *dri2_drv = dri2_egl_driver(drv);
976 struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
977 struct dri2_egl_surface *dri2_dsurf = dri2_egl_surface(dsurf);
978 struct dri2_egl_surface *dri2_rsurf = dri2_egl_surface(rsurf);
979 struct dri2_egl_context *dri2_ctx = dri2_egl_context(ctx);
980 _EGLContext *old_ctx;
981 _EGLSurface *old_dsurf, *old_rsurf;
982 __DRIdrawable *ddraw, *rdraw;
983 __DRIcontext *cctx;
984
985 /* make new bindings */
986 if (!_eglBindContext(ctx, dsurf, rsurf, &old_ctx, &old_dsurf, &old_rsurf))
987 return EGL_FALSE;
988
989 /* flush before context switch */
990 if (old_ctx && dri2_drv->glFlush)
991 dri2_drv->glFlush();
992
993 ddraw = (dri2_dsurf) ? dri2_dsurf->dri_drawable : NULL;
994 rdraw = (dri2_rsurf) ? dri2_rsurf->dri_drawable : NULL;
995 cctx = (dri2_ctx) ? dri2_ctx->dri_context : NULL;
996
997 if (old_ctx) {
998 __DRIcontext *old_cctx = dri2_egl_context(old_ctx)->dri_context;
999 dri2_dpy->core->unbindContext(old_cctx);
1000 }
1001
1002 if ((cctx == NULL && ddraw == NULL && rdraw == NULL) ||
1003 dri2_dpy->core->bindContext(cctx, ddraw, rdraw)) {
1004 if (old_dsurf)
1005 drv->API.DestroySurface(drv, disp, old_dsurf);
1006 if (old_rsurf)
1007 drv->API.DestroySurface(drv, disp, old_rsurf);
1008 if (old_ctx)
1009 drv->API.DestroyContext(drv, disp, old_ctx);
1010
1011 return EGL_TRUE;
1012 } else {
1013 /* undo the previous _eglBindContext */
1014 _eglBindContext(old_ctx, old_dsurf, old_rsurf, &ctx, &dsurf, &rsurf);
1015 assert(&dri2_ctx->base == ctx &&
1016 &dri2_dsurf->base == dsurf &&
1017 &dri2_rsurf->base == rsurf);
1018
1019 _eglPutSurface(dsurf);
1020 _eglPutSurface(rsurf);
1021 _eglPutContext(ctx);
1022
1023 _eglPutSurface(old_dsurf);
1024 _eglPutSurface(old_rsurf);
1025 _eglPutContext(old_ctx);
1026
1027 return EGL_FALSE;
1028 }
1029 }
1030
1031 /*
1032 * Called from eglGetProcAddress() via drv->API.GetProcAddress().
1033 */
1034 static _EGLProc
1035 dri2_get_proc_address(_EGLDriver *drv, const char *procname)
1036 {
1037 struct dri2_egl_driver *dri2_drv = dri2_egl_driver(drv);
1038
1039 return dri2_drv->get_proc_address(procname);
1040 }
1041
1042 static _EGLSurface*
1043 dri2_create_window_surface(_EGLDriver *drv, _EGLDisplay *dpy,
1044 _EGLConfig *conf, void *native_window,
1045 const EGLint *attrib_list)
1046 {
1047 struct dri2_egl_display *dri2_dpy = dri2_egl_display(dpy);
1048 return dri2_dpy->vtbl->create_window_surface(drv, dpy, conf, native_window,
1049 attrib_list);
1050 }
1051
1052 static _EGLSurface*
1053 dri2_create_pixmap_surface(_EGLDriver *drv, _EGLDisplay *dpy,
1054 _EGLConfig *conf, void *native_pixmap,
1055 const EGLint *attrib_list)
1056 {
1057 struct dri2_egl_display *dri2_dpy = dri2_egl_display(dpy);
1058 return dri2_dpy->vtbl->create_pixmap_surface(drv, dpy, conf, native_pixmap,
1059 attrib_list);
1060 }
1061
1062 static _EGLSurface*
1063 dri2_create_pbuffer_surface(_EGLDriver *drv, _EGLDisplay *dpy,
1064 _EGLConfig *conf, const EGLint *attrib_list)
1065 {
1066 struct dri2_egl_display *dri2_dpy = dri2_egl_display(dpy);
1067 return dri2_dpy->vtbl->create_pbuffer_surface(drv, dpy, conf, attrib_list);
1068 }
1069
1070 static EGLBoolean
1071 dri2_destroy_surface(_EGLDriver *drv, _EGLDisplay *dpy, _EGLSurface *surf)
1072 {
1073 struct dri2_egl_display *dri2_dpy = dri2_egl_display(dpy);
1074 return dri2_dpy->vtbl->destroy_surface(drv, dpy, surf);
1075 }
1076
1077 static EGLBoolean
1078 dri2_swap_interval(_EGLDriver *drv, _EGLDisplay *dpy, _EGLSurface *surf,
1079 EGLint interval)
1080 {
1081 struct dri2_egl_display *dri2_dpy = dri2_egl_display(dpy);
1082 return dri2_dpy->vtbl->swap_interval(drv, dpy, surf, interval);
1083 }
1084
1085 static EGLBoolean
1086 dri2_swap_buffers(_EGLDriver *drv, _EGLDisplay *dpy, _EGLSurface *surf)
1087 {
1088 struct dri2_egl_display *dri2_dpy = dri2_egl_display(dpy);
1089 return dri2_dpy->vtbl->swap_buffers(drv, dpy, surf);
1090 }
1091
1092 static EGLBoolean
1093 dri2_swap_buffers_with_damage(_EGLDriver *drv, _EGLDisplay *dpy,
1094 _EGLSurface *surf,
1095 const EGLint *rects, EGLint n_rects)
1096 {
1097 struct dri2_egl_display *dri2_dpy = dri2_egl_display(dpy);
1098 return dri2_dpy->vtbl->swap_buffers_with_damage(drv, dpy, surf,
1099 rects, n_rects);
1100 }
1101
1102 static EGLBoolean
1103 dri2_swap_buffers_region(_EGLDriver *drv, _EGLDisplay *dpy, _EGLSurface *surf,
1104 EGLint numRects, const EGLint *rects)
1105 {
1106 struct dri2_egl_display *dri2_dpy = dri2_egl_display(dpy);
1107 return dri2_dpy->vtbl->swap_buffers_region(drv, dpy, surf, numRects, rects);
1108 }
1109
1110 static EGLBoolean
1111 dri2_post_sub_buffer(_EGLDriver *drv, _EGLDisplay *dpy, _EGLSurface *surf,
1112 EGLint x, EGLint y, EGLint width, EGLint height)
1113 {
1114 struct dri2_egl_display *dri2_dpy = dri2_egl_display(dpy);
1115 return dri2_dpy->vtbl->post_sub_buffer(drv, dpy, surf, x, y, width, height);
1116 }
1117
1118 static EGLBoolean
1119 dri2_copy_buffers(_EGLDriver *drv, _EGLDisplay *dpy, _EGLSurface *surf,
1120 void *native_pixmap_target)
1121 {
1122 struct dri2_egl_display *dri2_dpy = dri2_egl_display(dpy);
1123 return dri2_dpy->vtbl->copy_buffers(drv, dpy, surf, native_pixmap_target);
1124 }
1125
1126 static EGLint
1127 dri2_query_buffer_age(_EGLDriver *drv, _EGLDisplay *dpy, _EGLSurface *surf)
1128 {
1129 struct dri2_egl_display *dri2_dpy = dri2_egl_display(dpy);
1130 return dri2_dpy->vtbl->query_buffer_age(drv, dpy, surf);
1131 }
1132
1133 static EGLBoolean
1134 dri2_wait_client(_EGLDriver *drv, _EGLDisplay *disp, _EGLContext *ctx)
1135 {
1136 struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
1137 struct dri2_egl_surface *dri2_surf = dri2_egl_surface(ctx->DrawSurface);
1138
1139 (void) drv;
1140
1141 /* FIXME: If EGL allows frontbuffer rendering for window surfaces,
1142 * we need to copy fake to real here.*/
1143
1144 if (dri2_dpy->flush != NULL)
1145 dri2_dpy->flush->flush(dri2_surf->dri_drawable);
1146
1147 return EGL_TRUE;
1148 }
1149
1150 static EGLBoolean
1151 dri2_wait_native(_EGLDriver *drv, _EGLDisplay *disp, EGLint engine)
1152 {
1153 (void) drv;
1154 (void) disp;
1155
1156 if (engine != EGL_CORE_NATIVE_ENGINE)
1157 return _eglError(EGL_BAD_PARAMETER, "eglWaitNative");
1158 /* glXWaitX(); */
1159
1160 return EGL_TRUE;
1161 }
1162
1163 static EGLBoolean
1164 dri2_bind_tex_image(_EGLDriver *drv,
1165 _EGLDisplay *disp, _EGLSurface *surf, EGLint buffer)
1166 {
1167 struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
1168 struct dri2_egl_surface *dri2_surf = dri2_egl_surface(surf);
1169 struct dri2_egl_context *dri2_ctx;
1170 _EGLContext *ctx;
1171 GLint format, target;
1172
1173 ctx = _eglGetCurrentContext();
1174 dri2_ctx = dri2_egl_context(ctx);
1175
1176 if (!_eglBindTexImage(drv, disp, surf, buffer))
1177 return EGL_FALSE;
1178
1179 switch (dri2_surf->base.TextureFormat) {
1180 case EGL_TEXTURE_RGB:
1181 format = __DRI_TEXTURE_FORMAT_RGB;
1182 break;
1183 case EGL_TEXTURE_RGBA:
1184 format = __DRI_TEXTURE_FORMAT_RGBA;
1185 break;
1186 default:
1187 assert(0);
1188 }
1189
1190 switch (dri2_surf->base.TextureTarget) {
1191 case EGL_TEXTURE_2D:
1192 target = GL_TEXTURE_2D;
1193 break;
1194 default:
1195 assert(0);
1196 }
1197
1198 (*dri2_dpy->tex_buffer->setTexBuffer2)(dri2_ctx->dri_context,
1199 target, format,
1200 dri2_surf->dri_drawable);
1201
1202 return EGL_TRUE;
1203 }
1204
1205 static EGLBoolean
1206 dri2_release_tex_image(_EGLDriver *drv,
1207 _EGLDisplay *disp, _EGLSurface *surf, EGLint buffer)
1208 {
1209 struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
1210 struct dri2_egl_surface *dri2_surf = dri2_egl_surface(surf);
1211 struct dri2_egl_context *dri2_ctx;
1212 _EGLContext *ctx;
1213 GLint target;
1214
1215 ctx = _eglGetCurrentContext();
1216 dri2_ctx = dri2_egl_context(ctx);
1217
1218 if (!_eglReleaseTexImage(drv, disp, surf, buffer))
1219 return EGL_FALSE;
1220
1221 switch (dri2_surf->base.TextureTarget) {
1222 case EGL_TEXTURE_2D:
1223 target = GL_TEXTURE_2D;
1224 break;
1225 default:
1226 assert(0);
1227 }
1228
1229 if (dri2_dpy->tex_buffer->base.version >= 3 &&
1230 dri2_dpy->tex_buffer->releaseTexBuffer != NULL) {
1231 (*dri2_dpy->tex_buffer->releaseTexBuffer)(dri2_ctx->dri_context,
1232 target,
1233 dri2_surf->dri_drawable);
1234 }
1235
1236 return EGL_TRUE;
1237 }
1238
1239 static _EGLImage*
1240 dri2_create_image(_EGLDriver *drv, _EGLDisplay *dpy, _EGLContext *ctx,
1241 EGLenum target, EGLClientBuffer buffer,
1242 const EGLint *attr_list)
1243 {
1244 struct dri2_egl_display *dri2_dpy = dri2_egl_display(dpy);
1245 return dri2_dpy->vtbl->create_image(drv, dpy, ctx, target, buffer,
1246 attr_list);
1247 }
1248
1249 static _EGLImage *
1250 dri2_create_image_from_dri(_EGLDisplay *disp, __DRIimage *dri_image)
1251 {
1252 struct dri2_egl_image *dri2_img;
1253
1254 if (dri_image == NULL) {
1255 _eglError(EGL_BAD_ALLOC, "dri2_create_image");
1256 return NULL;
1257 }
1258
1259 dri2_img = malloc(sizeof *dri2_img);
1260 if (!dri2_img) {
1261 _eglError(EGL_BAD_ALLOC, "dri2_create_image");
1262 return NULL;
1263 }
1264
1265 if (!_eglInitImage(&dri2_img->base, disp)) {
1266 free(dri2_img);
1267 return NULL;
1268 }
1269
1270 dri2_img->dri_image = dri_image;
1271
1272 return &dri2_img->base;
1273 }
1274
1275 static _EGLImage *
1276 dri2_create_image_khr_renderbuffer(_EGLDisplay *disp, _EGLContext *ctx,
1277 EGLClientBuffer buffer,
1278 const EGLint *attr_list)
1279 {
1280 struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
1281 struct dri2_egl_context *dri2_ctx = dri2_egl_context(ctx);
1282 GLuint renderbuffer = (GLuint) (uintptr_t) buffer;
1283 __DRIimage *dri_image;
1284
1285 if (renderbuffer == 0) {
1286 _eglError(EGL_BAD_PARAMETER, "dri2_create_image_khr");
1287 return EGL_NO_IMAGE_KHR;
1288 }
1289
1290 dri_image =
1291 dri2_dpy->image->createImageFromRenderbuffer(dri2_ctx->dri_context,
1292 renderbuffer, NULL);
1293
1294 return dri2_create_image_from_dri(disp, dri_image);
1295 }
1296
1297 #ifdef HAVE_DRM_PLATFORM
1298 static _EGLImage *
1299 dri2_create_image_mesa_drm_buffer(_EGLDisplay *disp, _EGLContext *ctx,
1300 EGLClientBuffer buffer, const EGLint *attr_list)
1301 {
1302 struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
1303 EGLint format, name, pitch, err;
1304 _EGLImageAttribs attrs;
1305 __DRIimage *dri_image;
1306
1307 name = (EGLint) (uintptr_t) buffer;
1308
1309 err = _eglParseImageAttribList(&attrs, disp, attr_list);
1310 if (err != EGL_SUCCESS)
1311 return NULL;
1312
1313 if (attrs.Width <= 0 || attrs.Height <= 0 ||
1314 attrs.DRMBufferStrideMESA <= 0) {
1315 _eglError(EGL_BAD_PARAMETER,
1316 "bad width, height or stride");
1317 return NULL;
1318 }
1319
1320 switch (attrs.DRMBufferFormatMESA) {
1321 case EGL_DRM_BUFFER_FORMAT_ARGB32_MESA:
1322 format = __DRI_IMAGE_FORMAT_ARGB8888;
1323 pitch = attrs.DRMBufferStrideMESA;
1324 break;
1325 default:
1326 _eglError(EGL_BAD_PARAMETER,
1327 "dri2_create_image_khr: unsupported pixmap depth");
1328 return NULL;
1329 }
1330
1331 dri_image =
1332 dri2_dpy->image->createImageFromName(dri2_dpy->dri_screen,
1333 attrs.Width,
1334 attrs.Height,
1335 format,
1336 name,
1337 pitch,
1338 NULL);
1339
1340 return dri2_create_image_from_dri(disp, dri_image);
1341 }
1342 #endif
1343
1344 #ifdef HAVE_WAYLAND_PLATFORM
1345
1346 /* This structure describes how a wl_buffer maps to one or more
1347 * __DRIimages. A wl_drm_buffer stores the wl_drm format code and the
1348 * offsets and strides of the planes in the buffer. This table maps a
1349 * wl_drm format code to a description of the planes in the buffer
1350 * that lets us create a __DRIimage for each of the planes. */
1351
1352 static const struct wl_drm_components_descriptor {
1353 uint32_t dri_components;
1354 EGLint components;
1355 int nplanes;
1356 } wl_drm_components[] = {
1357 { __DRI_IMAGE_COMPONENTS_RGB, EGL_TEXTURE_RGB, 1 },
1358 { __DRI_IMAGE_COMPONENTS_RGBA, EGL_TEXTURE_RGBA, 1 },
1359 { __DRI_IMAGE_COMPONENTS_Y_U_V, EGL_TEXTURE_Y_U_V_WL, 3 },
1360 { __DRI_IMAGE_COMPONENTS_Y_UV, EGL_TEXTURE_Y_UV_WL, 2 },
1361 { __DRI_IMAGE_COMPONENTS_Y_XUXV, EGL_TEXTURE_Y_XUXV_WL, 2 },
1362 };
1363
1364 static _EGLImage *
1365 dri2_create_image_wayland_wl_buffer(_EGLDisplay *disp, _EGLContext *ctx,
1366 EGLClientBuffer _buffer,
1367 const EGLint *attr_list)
1368 {
1369 struct wl_drm_buffer *buffer;
1370 struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
1371 const struct wl_drm_components_descriptor *f;
1372 __DRIimage *dri_image;
1373 _EGLImageAttribs attrs;
1374 EGLint err;
1375 int32_t plane;
1376
1377 buffer = wayland_drm_buffer_get(dri2_dpy->wl_server_drm,
1378 (struct wl_resource *) _buffer);
1379 if (!buffer)
1380 return NULL;
1381
1382 err = _eglParseImageAttribList(&attrs, disp, attr_list);
1383 plane = attrs.PlaneWL;
1384 if (err != EGL_SUCCESS) {
1385 _eglError(EGL_BAD_PARAMETER, "dri2_create_image_wayland_wl_buffer");
1386 return NULL;
1387 }
1388
1389 f = buffer->driver_format;
1390 if (plane < 0 || plane >= f->nplanes) {
1391 _eglError(EGL_BAD_PARAMETER,
1392 "dri2_create_image_wayland_wl_buffer (plane out of bounds)");
1393 return NULL;
1394 }
1395
1396 dri_image = dri2_dpy->image->fromPlanar(buffer->driver_buffer, plane, NULL);
1397
1398 if (dri_image == NULL) {
1399 _eglError(EGL_BAD_PARAMETER, "dri2_create_image_wayland_wl_buffer");
1400 return NULL;
1401 }
1402
1403 return dri2_create_image_from_dri(disp, dri_image);
1404 }
1405 #endif
1406
1407 static EGLBoolean
1408 dri2_get_sync_values_chromium(_EGLDisplay *dpy, _EGLSurface *surf,
1409 EGLuint64KHR *ust, EGLuint64KHR *msc,
1410 EGLuint64KHR *sbc)
1411 {
1412 struct dri2_egl_display *dri2_dpy = dri2_egl_display(dpy);
1413 return dri2_dpy->vtbl->get_sync_values(dpy, surf, ust, msc, sbc);
1414 }
1415
1416 /**
1417 * Set the error code after a call to
1418 * dri2_egl_image::dri_image::createImageFromTexture.
1419 */
1420 static void
1421 dri2_create_image_khr_texture_error(int dri_error)
1422 {
1423 EGLint egl_error;
1424
1425 switch (dri_error) {
1426 case __DRI_IMAGE_ERROR_SUCCESS:
1427 return;
1428
1429 case __DRI_IMAGE_ERROR_BAD_ALLOC:
1430 egl_error = EGL_BAD_ALLOC;
1431 break;
1432
1433 case __DRI_IMAGE_ERROR_BAD_MATCH:
1434 egl_error = EGL_BAD_MATCH;
1435 break;
1436
1437 case __DRI_IMAGE_ERROR_BAD_PARAMETER:
1438 egl_error = EGL_BAD_PARAMETER;
1439 break;
1440
1441 default:
1442 assert(0);
1443 egl_error = EGL_BAD_MATCH;
1444 break;
1445 }
1446
1447 _eglError(egl_error, "dri2_create_image_khr_texture");
1448 }
1449
1450 static _EGLImage *
1451 dri2_create_image_khr_texture(_EGLDisplay *disp, _EGLContext *ctx,
1452 EGLenum target,
1453 EGLClientBuffer buffer,
1454 const EGLint *attr_list)
1455 {
1456 struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
1457 struct dri2_egl_context *dri2_ctx = dri2_egl_context(ctx);
1458 struct dri2_egl_image *dri2_img;
1459 GLuint texture = (GLuint) (uintptr_t) buffer;
1460 _EGLImageAttribs attrs;
1461 GLuint depth;
1462 GLenum gl_target;
1463 unsigned error;
1464
1465 if (texture == 0) {
1466 _eglError(EGL_BAD_PARAMETER, "dri2_create_image_khr");
1467 return EGL_NO_IMAGE_KHR;
1468 }
1469
1470 if (_eglParseImageAttribList(&attrs, disp, attr_list) != EGL_SUCCESS)
1471 return EGL_NO_IMAGE_KHR;
1472
1473 switch (target) {
1474 case EGL_GL_TEXTURE_2D_KHR:
1475 depth = 0;
1476 gl_target = GL_TEXTURE_2D;
1477 break;
1478 case EGL_GL_TEXTURE_3D_KHR:
1479 depth = attrs.GLTextureZOffset;
1480 gl_target = GL_TEXTURE_3D;
1481 break;
1482 case EGL_GL_TEXTURE_CUBE_MAP_POSITIVE_X_KHR:
1483 case EGL_GL_TEXTURE_CUBE_MAP_NEGATIVE_X_KHR:
1484 case EGL_GL_TEXTURE_CUBE_MAP_POSITIVE_Y_KHR:
1485 case EGL_GL_TEXTURE_CUBE_MAP_NEGATIVE_Y_KHR:
1486 case EGL_GL_TEXTURE_CUBE_MAP_POSITIVE_Z_KHR:
1487 case EGL_GL_TEXTURE_CUBE_MAP_NEGATIVE_Z_KHR:
1488 depth = target - EGL_GL_TEXTURE_CUBE_MAP_POSITIVE_X_KHR;
1489 gl_target = GL_TEXTURE_CUBE_MAP;
1490 break;
1491 default:
1492 _eglError(EGL_BAD_PARAMETER, "dri2_create_image_khr");
1493 return EGL_NO_IMAGE_KHR;
1494 }
1495
1496 dri2_img = malloc(sizeof *dri2_img);
1497 if (!dri2_img) {
1498 _eglError(EGL_BAD_ALLOC, "dri2_create_image_khr");
1499 return EGL_NO_IMAGE_KHR;
1500 }
1501
1502 if (!_eglInitImage(&dri2_img->base, disp)) {
1503 _eglError(EGL_BAD_ALLOC, "dri2_create_image_khr");
1504 free(dri2_img);
1505 return EGL_NO_IMAGE_KHR;
1506 }
1507
1508 dri2_img->dri_image =
1509 dri2_dpy->image->createImageFromTexture(dri2_ctx->dri_context,
1510 gl_target,
1511 texture,
1512 depth,
1513 attrs.GLTextureLevel,
1514 &error,
1515 dri2_img);
1516 dri2_create_image_khr_texture_error(error);
1517
1518 if (!dri2_img->dri_image) {
1519 free(dri2_img);
1520 return EGL_NO_IMAGE_KHR;
1521 }
1522 return &dri2_img->base;
1523 }
1524
1525 static struct wl_buffer*
1526 dri2_create_wayland_buffer_from_image(_EGLDriver *drv, _EGLDisplay *dpy,
1527 _EGLImage *img)
1528 {
1529 struct dri2_egl_display *dri2_dpy = dri2_egl_display(dpy);
1530 return dri2_dpy->vtbl->create_wayland_buffer_from_image(drv, dpy, img);
1531 }
1532
1533 #ifdef HAVE_DRM_PLATFORM
1534 static EGLBoolean
1535 dri2_check_dma_buf_attribs(const _EGLImageAttribs *attrs)
1536 {
1537 unsigned i;
1538
1539 /**
1540 * The spec says:
1541 *
1542 * "Required attributes and their values are as follows:
1543 *
1544 * * EGL_WIDTH & EGL_HEIGHT: The logical dimensions of the buffer in pixels
1545 *
1546 * * EGL_LINUX_DRM_FOURCC_EXT: The pixel format of the buffer, as specified
1547 * by drm_fourcc.h and used as the pixel_format parameter of the
1548 * drm_mode_fb_cmd2 ioctl."
1549 *
1550 * and
1551 *
1552 * "* If <target> is EGL_LINUX_DMA_BUF_EXT, and the list of attributes is
1553 * incomplete, EGL_BAD_PARAMETER is generated."
1554 */
1555 if (attrs->Width <= 0 || attrs->Height <= 0 ||
1556 !attrs->DMABufFourCC.IsPresent) {
1557 _eglError(EGL_BAD_PARAMETER, "attribute(s) missing");
1558 return EGL_FALSE;
1559 }
1560
1561 /**
1562 * Also:
1563 *
1564 * "If <target> is EGL_LINUX_DMA_BUF_EXT and one or more of the values
1565 * specified for a plane's pitch or offset isn't supported by EGL,
1566 * EGL_BAD_ACCESS is generated."
1567 */
1568 for (i = 0; i < ARRAY_SIZE(attrs->DMABufPlanePitches); ++i) {
1569 if (attrs->DMABufPlanePitches[i].IsPresent &&
1570 attrs->DMABufPlanePitches[i].Value <= 0) {
1571 _eglError(EGL_BAD_ACCESS, "invalid pitch");
1572 return EGL_FALSE;
1573 }
1574 }
1575
1576 return EGL_TRUE;
1577 }
1578
1579 /* Returns the total number of file descriptors. Zero indicates an error. */
1580 static unsigned
1581 dri2_check_dma_buf_format(const _EGLImageAttribs *attrs)
1582 {
1583 unsigned i, plane_n;
1584
1585 switch (attrs->DMABufFourCC.Value) {
1586 case DRM_FORMAT_RGB332:
1587 case DRM_FORMAT_BGR233:
1588 case DRM_FORMAT_XRGB4444:
1589 case DRM_FORMAT_XBGR4444:
1590 case DRM_FORMAT_RGBX4444:
1591 case DRM_FORMAT_BGRX4444:
1592 case DRM_FORMAT_ARGB4444:
1593 case DRM_FORMAT_ABGR4444:
1594 case DRM_FORMAT_RGBA4444:
1595 case DRM_FORMAT_BGRA4444:
1596 case DRM_FORMAT_XRGB1555:
1597 case DRM_FORMAT_XBGR1555:
1598 case DRM_FORMAT_RGBX5551:
1599 case DRM_FORMAT_BGRX5551:
1600 case DRM_FORMAT_ARGB1555:
1601 case DRM_FORMAT_ABGR1555:
1602 case DRM_FORMAT_RGBA5551:
1603 case DRM_FORMAT_BGRA5551:
1604 case DRM_FORMAT_RGB565:
1605 case DRM_FORMAT_BGR565:
1606 case DRM_FORMAT_RGB888:
1607 case DRM_FORMAT_BGR888:
1608 case DRM_FORMAT_XRGB8888:
1609 case DRM_FORMAT_XBGR8888:
1610 case DRM_FORMAT_RGBX8888:
1611 case DRM_FORMAT_BGRX8888:
1612 case DRM_FORMAT_ARGB8888:
1613 case DRM_FORMAT_ABGR8888:
1614 case DRM_FORMAT_RGBA8888:
1615 case DRM_FORMAT_BGRA8888:
1616 case DRM_FORMAT_XRGB2101010:
1617 case DRM_FORMAT_XBGR2101010:
1618 case DRM_FORMAT_RGBX1010102:
1619 case DRM_FORMAT_BGRX1010102:
1620 case DRM_FORMAT_ARGB2101010:
1621 case DRM_FORMAT_ABGR2101010:
1622 case DRM_FORMAT_RGBA1010102:
1623 case DRM_FORMAT_BGRA1010102:
1624 case DRM_FORMAT_YUYV:
1625 case DRM_FORMAT_YVYU:
1626 case DRM_FORMAT_UYVY:
1627 case DRM_FORMAT_VYUY:
1628 plane_n = 1;
1629 break;
1630 case DRM_FORMAT_NV12:
1631 case DRM_FORMAT_NV21:
1632 case DRM_FORMAT_NV16:
1633 case DRM_FORMAT_NV61:
1634 plane_n = 2;
1635 break;
1636 case DRM_FORMAT_YUV410:
1637 case DRM_FORMAT_YVU410:
1638 case DRM_FORMAT_YUV411:
1639 case DRM_FORMAT_YVU411:
1640 case DRM_FORMAT_YUV420:
1641 case DRM_FORMAT_YVU420:
1642 case DRM_FORMAT_YUV422:
1643 case DRM_FORMAT_YVU422:
1644 case DRM_FORMAT_YUV444:
1645 case DRM_FORMAT_YVU444:
1646 plane_n = 3;
1647 break;
1648 default:
1649 _eglError(EGL_BAD_ATTRIBUTE, "invalid format");
1650 return 0;
1651 }
1652
1653 /**
1654 * The spec says:
1655 *
1656 * "* If <target> is EGL_LINUX_DMA_BUF_EXT, and the list of attributes is
1657 * incomplete, EGL_BAD_PARAMETER is generated."
1658 */
1659 for (i = 0; i < plane_n; ++i) {
1660 if (!attrs->DMABufPlaneFds[i].IsPresent ||
1661 !attrs->DMABufPlaneOffsets[i].IsPresent ||
1662 !attrs->DMABufPlanePitches[i].IsPresent) {
1663 _eglError(EGL_BAD_PARAMETER, "plane attribute(s) missing");
1664 return 0;
1665 }
1666 }
1667
1668 /**
1669 * The spec also says:
1670 *
1671 * "If <target> is EGL_LINUX_DMA_BUF_EXT, and the EGL_LINUX_DRM_FOURCC_EXT
1672 * attribute indicates a single-plane format, EGL_BAD_ATTRIBUTE is
1673 * generated if any of the EGL_DMA_BUF_PLANE1_* or EGL_DMA_BUF_PLANE2_*
1674 * attributes are specified."
1675 */
1676 for (i = plane_n; i < 3; ++i) {
1677 if (attrs->DMABufPlaneFds[i].IsPresent ||
1678 attrs->DMABufPlaneOffsets[i].IsPresent ||
1679 attrs->DMABufPlanePitches[i].IsPresent) {
1680 _eglError(EGL_BAD_ATTRIBUTE, "too many plane attributes");
1681 return 0;
1682 }
1683 }
1684
1685 return plane_n;
1686 }
1687
1688 /**
1689 * The spec says:
1690 *
1691 * "If eglCreateImageKHR is successful for a EGL_LINUX_DMA_BUF_EXT target, the
1692 * EGL will take a reference to the dma_buf(s) which it will release at any
1693 * time while the EGLDisplay is initialized. It is the responsibility of the
1694 * application to close the dma_buf file descriptors."
1695 *
1696 * Therefore we must never close or otherwise modify the file descriptors.
1697 */
1698 static _EGLImage *
1699 dri2_create_image_dma_buf(_EGLDisplay *disp, _EGLContext *ctx,
1700 EGLClientBuffer buffer, const EGLint *attr_list)
1701 {
1702 struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
1703 _EGLImage *res;
1704 EGLint err;
1705 _EGLImageAttribs attrs;
1706 __DRIimage *dri_image;
1707 unsigned num_fds;
1708 unsigned i;
1709 int fds[3];
1710 int pitches[3];
1711 int offsets[3];
1712 unsigned error;
1713
1714 /**
1715 * The spec says:
1716 *
1717 * ""* If <target> is EGL_LINUX_DMA_BUF_EXT and <buffer> is not NULL, the
1718 * error EGL_BAD_PARAMETER is generated."
1719 */
1720 if (buffer != NULL) {
1721 _eglError(EGL_BAD_PARAMETER, "buffer not NULL");
1722 return NULL;
1723 }
1724
1725 err = _eglParseImageAttribList(&attrs, disp, attr_list);
1726 if (err != EGL_SUCCESS) {
1727 _eglError(err, "bad attribute");
1728 return NULL;
1729 }
1730
1731 if (!dri2_check_dma_buf_attribs(&attrs))
1732 return NULL;
1733
1734 num_fds = dri2_check_dma_buf_format(&attrs);
1735 if (!num_fds)
1736 return NULL;
1737
1738 for (i = 0; i < num_fds; ++i) {
1739 fds[i] = attrs.DMABufPlaneFds[i].Value;
1740 pitches[i] = attrs.DMABufPlanePitches[i].Value;
1741 offsets[i] = attrs.DMABufPlaneOffsets[i].Value;
1742 }
1743
1744 dri_image =
1745 dri2_dpy->image->createImageFromDmaBufs(dri2_dpy->dri_screen,
1746 attrs.Width, attrs.Height, attrs.DMABufFourCC.Value,
1747 fds, num_fds, pitches, offsets,
1748 attrs.DMABufYuvColorSpaceHint.Value,
1749 attrs.DMABufSampleRangeHint.Value,
1750 attrs.DMABufChromaHorizontalSiting.Value,
1751 attrs.DMABufChromaVerticalSiting.Value,
1752 &error,
1753 NULL);
1754 dri2_create_image_khr_texture_error(error);
1755
1756 if (!dri_image)
1757 return EGL_NO_IMAGE_KHR;
1758
1759 res = dri2_create_image_from_dri(disp, dri_image);
1760
1761 return res;
1762 }
1763 #endif
1764
1765 _EGLImage *
1766 dri2_create_image_khr(_EGLDriver *drv, _EGLDisplay *disp,
1767 _EGLContext *ctx, EGLenum target,
1768 EGLClientBuffer buffer, const EGLint *attr_list)
1769 {
1770 (void) drv;
1771
1772 switch (target) {
1773 case EGL_GL_TEXTURE_2D_KHR:
1774 case EGL_GL_TEXTURE_CUBE_MAP_POSITIVE_X_KHR:
1775 case EGL_GL_TEXTURE_CUBE_MAP_NEGATIVE_X_KHR:
1776 case EGL_GL_TEXTURE_CUBE_MAP_POSITIVE_Y_KHR:
1777 case EGL_GL_TEXTURE_CUBE_MAP_NEGATIVE_Y_KHR:
1778 case EGL_GL_TEXTURE_CUBE_MAP_POSITIVE_Z_KHR:
1779 case EGL_GL_TEXTURE_CUBE_MAP_NEGATIVE_Z_KHR:
1780 return dri2_create_image_khr_texture(disp, ctx, target, buffer, attr_list);
1781 case EGL_GL_RENDERBUFFER_KHR:
1782 return dri2_create_image_khr_renderbuffer(disp, ctx, buffer, attr_list);
1783 #ifdef HAVE_DRM_PLATFORM
1784 case EGL_DRM_BUFFER_MESA:
1785 return dri2_create_image_mesa_drm_buffer(disp, ctx, buffer, attr_list);
1786 #endif
1787 #ifdef HAVE_WAYLAND_PLATFORM
1788 case EGL_WAYLAND_BUFFER_WL:
1789 return dri2_create_image_wayland_wl_buffer(disp, ctx, buffer, attr_list);
1790 #endif
1791 #ifdef HAVE_DRM_PLATFORM
1792 case EGL_LINUX_DMA_BUF_EXT:
1793 return dri2_create_image_dma_buf(disp, ctx, buffer, attr_list);
1794 #endif
1795 default:
1796 _eglError(EGL_BAD_PARAMETER, "dri2_create_image_khr");
1797 return EGL_NO_IMAGE_KHR;
1798 }
1799 }
1800
1801 static EGLBoolean
1802 dri2_destroy_image_khr(_EGLDriver *drv, _EGLDisplay *disp, _EGLImage *image)
1803 {
1804 struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
1805 struct dri2_egl_image *dri2_img = dri2_egl_image(image);
1806
1807 (void) drv;
1808
1809 dri2_dpy->image->destroyImage(dri2_img->dri_image);
1810 free(dri2_img);
1811
1812 return EGL_TRUE;
1813 }
1814
1815 #ifdef HAVE_DRM_PLATFORM
1816 static _EGLImage *
1817 dri2_create_drm_image_mesa(_EGLDriver *drv, _EGLDisplay *disp,
1818 const EGLint *attr_list)
1819 {
1820 struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
1821 struct dri2_egl_image *dri2_img;
1822 _EGLImageAttribs attrs;
1823 unsigned int dri_use, valid_mask;
1824 int format;
1825 EGLint err = EGL_SUCCESS;
1826
1827 (void) drv;
1828
1829 dri2_img = malloc(sizeof *dri2_img);
1830 if (!dri2_img) {
1831 _eglError(EGL_BAD_ALLOC, "dri2_create_image_khr");
1832 return EGL_NO_IMAGE_KHR;
1833 }
1834
1835 if (!attr_list) {
1836 err = EGL_BAD_PARAMETER;
1837 goto cleanup_img;
1838 }
1839
1840 if (!_eglInitImage(&dri2_img->base, disp)) {
1841 err = EGL_BAD_PARAMETER;
1842 goto cleanup_img;
1843 }
1844
1845 err = _eglParseImageAttribList(&attrs, disp, attr_list);
1846 if (err != EGL_SUCCESS)
1847 goto cleanup_img;
1848
1849 if (attrs.Width <= 0 || attrs.Height <= 0) {
1850 _eglLog(_EGL_WARNING, "bad width or height (%dx%d)",
1851 attrs.Width, attrs.Height);
1852 goto cleanup_img;
1853 }
1854
1855 switch (attrs.DRMBufferFormatMESA) {
1856 case EGL_DRM_BUFFER_FORMAT_ARGB32_MESA:
1857 format = __DRI_IMAGE_FORMAT_ARGB8888;
1858 break;
1859 default:
1860 _eglLog(_EGL_WARNING, "bad image format value 0x%04x",
1861 attrs.DRMBufferFormatMESA);
1862 goto cleanup_img;
1863 }
1864
1865 valid_mask =
1866 EGL_DRM_BUFFER_USE_SCANOUT_MESA |
1867 EGL_DRM_BUFFER_USE_SHARE_MESA |
1868 EGL_DRM_BUFFER_USE_CURSOR_MESA;
1869 if (attrs.DRMBufferUseMESA & ~valid_mask) {
1870 _eglLog(_EGL_WARNING, "bad image use bit 0x%04x",
1871 attrs.DRMBufferUseMESA & ~valid_mask);
1872 goto cleanup_img;
1873 }
1874
1875 dri_use = 0;
1876 if (attrs.DRMBufferUseMESA & EGL_DRM_BUFFER_USE_SHARE_MESA)
1877 dri_use |= __DRI_IMAGE_USE_SHARE;
1878 if (attrs.DRMBufferUseMESA & EGL_DRM_BUFFER_USE_SCANOUT_MESA)
1879 dri_use |= __DRI_IMAGE_USE_SCANOUT;
1880 if (attrs.DRMBufferUseMESA & EGL_DRM_BUFFER_USE_CURSOR_MESA)
1881 dri_use |= __DRI_IMAGE_USE_CURSOR;
1882
1883 dri2_img->dri_image =
1884 dri2_dpy->image->createImage(dri2_dpy->dri_screen,
1885 attrs.Width, attrs.Height,
1886 format, dri_use, dri2_img);
1887 if (dri2_img->dri_image == NULL) {
1888 err = EGL_BAD_ALLOC;
1889 goto cleanup_img;
1890 }
1891
1892 return &dri2_img->base;
1893
1894 cleanup_img:
1895 free(dri2_img);
1896 _eglError(err, "dri2_create_drm_image_mesa");
1897
1898 return EGL_NO_IMAGE_KHR;
1899 }
1900
1901 static EGLBoolean
1902 dri2_export_drm_image_mesa(_EGLDriver *drv, _EGLDisplay *disp, _EGLImage *img,
1903 EGLint *name, EGLint *handle, EGLint *stride)
1904 {
1905 struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
1906 struct dri2_egl_image *dri2_img = dri2_egl_image(img);
1907
1908 (void) drv;
1909
1910 if (name && !dri2_dpy->image->queryImage(dri2_img->dri_image,
1911 __DRI_IMAGE_ATTRIB_NAME, name)) {
1912 _eglError(EGL_BAD_ALLOC, "dri2_export_drm_image_mesa");
1913 return EGL_FALSE;
1914 }
1915
1916 if (handle)
1917 dri2_dpy->image->queryImage(dri2_img->dri_image,
1918 __DRI_IMAGE_ATTRIB_HANDLE, handle);
1919
1920 if (stride)
1921 dri2_dpy->image->queryImage(dri2_img->dri_image,
1922 __DRI_IMAGE_ATTRIB_STRIDE, stride);
1923
1924 return EGL_TRUE;
1925 }
1926 #endif
1927
1928 #ifdef HAVE_WAYLAND_PLATFORM
1929
1930 static void
1931 dri2_wl_reference_buffer(void *user_data, uint32_t name, int fd,
1932 struct wl_drm_buffer *buffer)
1933 {
1934 _EGLDisplay *disp = user_data;
1935 struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
1936 __DRIimage *img;
1937 int i, dri_components = 0;
1938
1939 if (fd == -1)
1940 img = dri2_dpy->image->createImageFromNames(dri2_dpy->dri_screen,
1941 buffer->width,
1942 buffer->height,
1943 buffer->format,
1944 (int*)&name, 1,
1945 buffer->stride,
1946 buffer->offset,
1947 NULL);
1948 else
1949 img = dri2_dpy->image->createImageFromFds(dri2_dpy->dri_screen,
1950 buffer->width,
1951 buffer->height,
1952 buffer->format,
1953 &fd, 1,
1954 buffer->stride,
1955 buffer->offset,
1956 NULL);
1957
1958 if (img == NULL)
1959 return;
1960
1961 dri2_dpy->image->queryImage(img, __DRI_IMAGE_ATTRIB_COMPONENTS, &dri_components);
1962
1963 buffer->driver_format = NULL;
1964 for (i = 0; i < ARRAY_SIZE(wl_drm_components); i++)
1965 if (wl_drm_components[i].dri_components == dri_components)
1966 buffer->driver_format = &wl_drm_components[i];
1967
1968 if (buffer->driver_format == NULL)
1969 dri2_dpy->image->destroyImage(img);
1970 else
1971 buffer->driver_buffer = img;
1972 }
1973
1974 static void
1975 dri2_wl_release_buffer(void *user_data, struct wl_drm_buffer *buffer)
1976 {
1977 _EGLDisplay *disp = user_data;
1978 struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
1979
1980 dri2_dpy->image->destroyImage(buffer->driver_buffer);
1981 }
1982
1983 static struct wayland_drm_callbacks wl_drm_callbacks = {
1984 .authenticate = NULL,
1985 .reference_buffer = dri2_wl_reference_buffer,
1986 .release_buffer = dri2_wl_release_buffer
1987 };
1988
1989 static EGLBoolean
1990 dri2_bind_wayland_display_wl(_EGLDriver *drv, _EGLDisplay *disp,
1991 struct wl_display *wl_dpy)
1992 {
1993 struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
1994 int flags = 0;
1995 uint64_t cap;
1996
1997 (void) drv;
1998
1999 if (dri2_dpy->wl_server_drm)
2000 return EGL_FALSE;
2001
2002 wl_drm_callbacks.authenticate =
2003 (int(*)(void *, uint32_t)) dri2_dpy->vtbl->authenticate;
2004
2005 #ifdef HAVE_LIBDRM
2006 if (drmGetCap(dri2_dpy->fd, DRM_CAP_PRIME, &cap) == 0 &&
2007 cap == (DRM_PRIME_CAP_IMPORT | DRM_PRIME_CAP_EXPORT) &&
2008 dri2_dpy->image->base.version >= 7 &&
2009 dri2_dpy->image->createImageFromFds != NULL)
2010 flags |= WAYLAND_DRM_PRIME;
2011 #endif
2012
2013 dri2_dpy->wl_server_drm =
2014 wayland_drm_init(wl_dpy, dri2_dpy->device_name,
2015 &wl_drm_callbacks, disp, flags);
2016
2017 if (!dri2_dpy->wl_server_drm)
2018 return EGL_FALSE;
2019
2020 #ifdef HAVE_DRM_PLATFORM
2021 /* We have to share the wl_drm instance with gbm, so gbm can convert
2022 * wl_buffers to gbm bos. */
2023 if (dri2_dpy->gbm_dri)
2024 dri2_dpy->gbm_dri->wl_drm = dri2_dpy->wl_server_drm;
2025 #endif
2026
2027 return EGL_TRUE;
2028 }
2029
2030 static EGLBoolean
2031 dri2_unbind_wayland_display_wl(_EGLDriver *drv, _EGLDisplay *disp,
2032 struct wl_display *wl_dpy)
2033 {
2034 struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
2035
2036 (void) drv;
2037
2038 if (!dri2_dpy->wl_server_drm)
2039 return EGL_FALSE;
2040
2041 wayland_drm_uninit(dri2_dpy->wl_server_drm);
2042 dri2_dpy->wl_server_drm = NULL;
2043
2044 return EGL_TRUE;
2045 }
2046
2047 static EGLBoolean
2048 dri2_query_wayland_buffer_wl(_EGLDriver *drv, _EGLDisplay *disp,
2049 struct wl_resource *buffer_resource,
2050 EGLint attribute, EGLint *value)
2051 {
2052 struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
2053 struct wl_drm_buffer *buffer;
2054 const struct wl_drm_components_descriptor *format;
2055
2056 buffer = wayland_drm_buffer_get(dri2_dpy->wl_server_drm, buffer_resource);
2057 if (!buffer)
2058 return EGL_FALSE;
2059
2060 format = buffer->driver_format;
2061 switch (attribute) {
2062 case EGL_TEXTURE_FORMAT:
2063 *value = format->components;
2064 return EGL_TRUE;
2065 case EGL_WIDTH:
2066 *value = buffer->width;
2067 return EGL_TRUE;
2068 case EGL_HEIGHT:
2069 *value = buffer->height;
2070 return EGL_TRUE;
2071 }
2072
2073 return EGL_FALSE;
2074 }
2075 #endif
2076
2077 static void
2078 dri2_unload(_EGLDriver *drv)
2079 {
2080 struct dri2_egl_driver *dri2_drv = dri2_egl_driver(drv);
2081
2082 if (dri2_drv->handle)
2083 dlclose(dri2_drv->handle);
2084 free(dri2_drv);
2085 }
2086
2087 static EGLBoolean
2088 dri2_load(_EGLDriver *drv)
2089 {
2090 struct dri2_egl_driver *dri2_drv = dri2_egl_driver(drv);
2091 #ifdef HAVE_SHARED_GLAPI
2092 #ifdef HAVE_ANDROID_PLATFORM
2093 const char *libname = "libglapi.so";
2094 #else
2095 const char *libname = "libglapi.so.0";
2096 #endif
2097 #else
2098 /*
2099 * Both libGL.so and libglapi.so are glapi providers. There is no way to
2100 * tell which one to load.
2101 */
2102 const char *libname = NULL;
2103 #endif
2104 void *handle;
2105
2106 /* RTLD_GLOBAL to make sure glapi symbols are visible to DRI drivers */
2107 handle = dlopen(libname, RTLD_LAZY | RTLD_GLOBAL);
2108 if (handle) {
2109 dri2_drv->get_proc_address = (_EGLProc (*)(const char *))
2110 dlsym(handle, "_glapi_get_proc_address");
2111 if (!dri2_drv->get_proc_address || !libname) {
2112 /* no need to keep a reference */
2113 dlclose(handle);
2114 handle = NULL;
2115 }
2116 }
2117
2118 /* if glapi is not available, loading DRI drivers will fail */
2119 if (!dri2_drv->get_proc_address) {
2120 _eglLog(_EGL_WARNING, "DRI2: failed to find _glapi_get_proc_address");
2121 return EGL_FALSE;
2122 }
2123
2124 dri2_drv->glFlush = (void (*)(void))
2125 dri2_drv->get_proc_address("glFlush");
2126
2127 dri2_drv->handle = handle;
2128
2129 return EGL_TRUE;
2130 }
2131
2132 /**
2133 * This is the main entrypoint into the driver, called by libEGL.
2134 * Create a new _EGLDriver object and init its dispatch table.
2135 */
2136 _EGLDriver *
2137 _eglBuiltInDriverDRI2(const char *args)
2138 {
2139 struct dri2_egl_driver *dri2_drv;
2140
2141 (void) args;
2142
2143 dri2_drv = calloc(1, sizeof *dri2_drv);
2144 if (!dri2_drv)
2145 return NULL;
2146
2147 if (!dri2_load(&dri2_drv->base)) {
2148 free(dri2_drv);
2149 return NULL;
2150 }
2151
2152 _eglInitDriverFallbacks(&dri2_drv->base);
2153 dri2_drv->base.API.Initialize = dri2_initialize;
2154 dri2_drv->base.API.Terminate = dri2_terminate;
2155 dri2_drv->base.API.CreateContext = dri2_create_context;
2156 dri2_drv->base.API.DestroyContext = dri2_destroy_context;
2157 dri2_drv->base.API.MakeCurrent = dri2_make_current;
2158 dri2_drv->base.API.CreateWindowSurface = dri2_create_window_surface;
2159 dri2_drv->base.API.CreatePixmapSurface = dri2_create_pixmap_surface;
2160 dri2_drv->base.API.CreatePbufferSurface = dri2_create_pbuffer_surface;
2161 dri2_drv->base.API.DestroySurface = dri2_destroy_surface;
2162 dri2_drv->base.API.GetProcAddress = dri2_get_proc_address;
2163 dri2_drv->base.API.WaitClient = dri2_wait_client;
2164 dri2_drv->base.API.WaitNative = dri2_wait_native;
2165 dri2_drv->base.API.BindTexImage = dri2_bind_tex_image;
2166 dri2_drv->base.API.ReleaseTexImage = dri2_release_tex_image;
2167 dri2_drv->base.API.SwapInterval = dri2_swap_interval;
2168 dri2_drv->base.API.SwapBuffers = dri2_swap_buffers;
2169 dri2_drv->base.API.SwapBuffersWithDamageEXT = dri2_swap_buffers_with_damage;
2170 dri2_drv->base.API.SwapBuffersRegionNOK = dri2_swap_buffers_region;
2171 dri2_drv->base.API.PostSubBufferNV = dri2_post_sub_buffer;
2172 dri2_drv->base.API.CopyBuffers = dri2_copy_buffers,
2173 dri2_drv->base.API.QueryBufferAge = dri2_query_buffer_age;
2174 dri2_drv->base.API.CreateImageKHR = dri2_create_image;
2175 dri2_drv->base.API.DestroyImageKHR = dri2_destroy_image_khr;
2176 dri2_drv->base.API.CreateWaylandBufferFromImageWL = dri2_create_wayland_buffer_from_image;
2177 #ifdef HAVE_DRM_PLATFORM
2178 dri2_drv->base.API.CreateDRMImageMESA = dri2_create_drm_image_mesa;
2179 dri2_drv->base.API.ExportDRMImageMESA = dri2_export_drm_image_mesa;
2180 #endif
2181 #ifdef HAVE_WAYLAND_PLATFORM
2182 dri2_drv->base.API.BindWaylandDisplayWL = dri2_bind_wayland_display_wl;
2183 dri2_drv->base.API.UnbindWaylandDisplayWL = dri2_unbind_wayland_display_wl;
2184 dri2_drv->base.API.QueryWaylandBufferWL = dri2_query_wayland_buffer_wl;
2185 #endif
2186 dri2_drv->base.API.GetSyncValuesCHROMIUM = dri2_get_sync_values_chromium;
2187
2188 dri2_drv->base.Name = "DRI2";
2189 dri2_drv->base.Unload = dri2_unload;
2190
2191 return &dri2_drv->base;
2192 }