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egl/dri2: do not leak dri2_dpy->driver_name
[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 static const char dri_driver_path[] = DEFAULT_DRIVER_DIR;
308
309 struct dri2_extension_match {
310 const char *name;
311 int version;
312 int offset;
313 };
314
315 static struct dri2_extension_match dri2_driver_extensions[] = {
316 { __DRI_CORE, 1, offsetof(struct dri2_egl_display, core) },
317 { __DRI_DRI2, 2, offsetof(struct dri2_egl_display, dri2) },
318 { NULL, 0, 0 }
319 };
320
321 static struct dri2_extension_match dri2_core_extensions[] = {
322 { __DRI2_FLUSH, 1, offsetof(struct dri2_egl_display, flush) },
323 { __DRI_TEX_BUFFER, 2, offsetof(struct dri2_egl_display, tex_buffer) },
324 { __DRI_IMAGE, 1, offsetof(struct dri2_egl_display, image) },
325 { NULL, 0, 0 }
326 };
327
328 static struct dri2_extension_match swrast_driver_extensions[] = {
329 { __DRI_CORE, 1, offsetof(struct dri2_egl_display, core) },
330 { __DRI_SWRAST, 2, offsetof(struct dri2_egl_display, swrast) },
331 { NULL, 0, 0 }
332 };
333
334 static struct dri2_extension_match swrast_core_extensions[] = {
335 { __DRI_TEX_BUFFER, 2, offsetof(struct dri2_egl_display, tex_buffer) },
336 { NULL, 0, 0 }
337 };
338
339 static EGLBoolean
340 dri2_bind_extensions(struct dri2_egl_display *dri2_dpy,
341 struct dri2_extension_match *matches,
342 const __DRIextension **extensions)
343 {
344 int i, j, ret = EGL_TRUE;
345 void *field;
346
347 for (i = 0; extensions[i]; i++) {
348 _eglLog(_EGL_DEBUG, "DRI2: found extension `%s'", extensions[i]->name);
349 for (j = 0; matches[j].name; j++) {
350 if (strcmp(extensions[i]->name, matches[j].name) == 0 &&
351 extensions[i]->version >= matches[j].version) {
352 field = ((char *) dri2_dpy + matches[j].offset);
353 *(const __DRIextension **) field = extensions[i];
354 _eglLog(_EGL_INFO, "DRI2: found extension %s version %d",
355 extensions[i]->name, extensions[i]->version);
356 }
357 }
358 }
359
360 for (j = 0; matches[j].name; j++) {
361 field = ((char *) dri2_dpy + matches[j].offset);
362 if (*(const __DRIextension **) field == NULL) {
363 _eglLog(_EGL_FATAL, "DRI2: did not find extension %s version %d",
364 matches[j].name, matches[j].version);
365 ret = EGL_FALSE;
366 }
367 }
368
369 return ret;
370 }
371
372 static const __DRIextension **
373 dri2_open_driver(_EGLDisplay *disp)
374 {
375 struct dri2_egl_display *dri2_dpy = disp->DriverData;
376 const __DRIextension **extensions = NULL;
377 char path[PATH_MAX], *search_paths, *p, *next, *end;
378 char *get_extensions_name;
379 const __DRIextension **(*get_extensions)(void);
380
381 search_paths = NULL;
382 if (geteuid() == getuid()) {
383 /* don't allow setuid apps to use LIBGL_DRIVERS_PATH */
384 search_paths = getenv("LIBGL_DRIVERS_PATH");
385 }
386 if (search_paths == NULL)
387 search_paths = DEFAULT_DRIVER_DIR;
388
389 dri2_dpy->driver = NULL;
390 end = search_paths + strlen(search_paths);
391 for (p = search_paths; p < end && dri2_dpy->driver == NULL; p = next + 1) {
392 int len;
393 next = strchr(p, ':');
394 if (next == NULL)
395 next = end;
396
397 len = next - p;
398 #if GLX_USE_TLS
399 snprintf(path, sizeof path,
400 "%.*s/tls/%s_dri.so", len, p, dri2_dpy->driver_name);
401 dri2_dpy->driver = dlopen(path, RTLD_NOW | RTLD_GLOBAL);
402 #endif
403 if (dri2_dpy->driver == NULL) {
404 snprintf(path, sizeof path,
405 "%.*s/%s_dri.so", len, p, dri2_dpy->driver_name);
406 dri2_dpy->driver = dlopen(path, RTLD_NOW | RTLD_GLOBAL);
407 if (dri2_dpy->driver == NULL)
408 _eglLog(_EGL_DEBUG, "failed to open %s: %s\n", path, dlerror());
409 }
410 /* not need continue to loop all paths once the driver is found */
411 if (dri2_dpy->driver != NULL)
412 break;
413 }
414
415 if (dri2_dpy->driver == NULL) {
416 _eglLog(_EGL_WARNING,
417 "DRI2: failed to open %s (search paths %s)",
418 dri2_dpy->driver_name, search_paths);
419 return NULL;
420 }
421
422 _eglLog(_EGL_DEBUG, "DRI2: dlopen(%s)", path);
423
424 if (asprintf(&get_extensions_name, "%s_%s",
425 __DRI_DRIVER_GET_EXTENSIONS, dri2_dpy->driver_name) != -1) {
426 get_extensions = dlsym(dri2_dpy->driver, get_extensions_name);
427 if (get_extensions) {
428 extensions = get_extensions();
429 } else {
430 _eglLog(_EGL_DEBUG, "driver does not expose %s(): %s\n",
431 get_extensions_name, dlerror());
432 }
433 free(get_extensions_name);
434 }
435
436 if (!extensions)
437 extensions = dlsym(dri2_dpy->driver, __DRI_DRIVER_EXTENSIONS);
438 if (extensions == NULL) {
439 _eglLog(_EGL_WARNING,
440 "DRI2: driver exports no extensions (%s)", dlerror());
441 dlclose(dri2_dpy->driver);
442 }
443
444 return extensions;
445 }
446
447 EGLBoolean
448 dri2_load_driver(_EGLDisplay *disp)
449 {
450 struct dri2_egl_display *dri2_dpy = disp->DriverData;
451 const __DRIextension **extensions;
452
453 extensions = dri2_open_driver(disp);
454 if (!extensions)
455 return EGL_FALSE;
456
457 if (!dri2_bind_extensions(dri2_dpy, dri2_driver_extensions, extensions)) {
458 dlclose(dri2_dpy->driver);
459 return EGL_FALSE;
460 }
461 dri2_dpy->driver_extensions = extensions;
462
463 return EGL_TRUE;
464 }
465
466 EGLBoolean
467 dri2_load_driver_swrast(_EGLDisplay *disp)
468 {
469 struct dri2_egl_display *dri2_dpy = disp->DriverData;
470 const __DRIextension **extensions;
471
472 extensions = dri2_open_driver(disp);
473 if (!extensions)
474 return EGL_FALSE;
475
476 if (!dri2_bind_extensions(dri2_dpy, swrast_driver_extensions, extensions)) {
477 dlclose(dri2_dpy->driver);
478 return EGL_FALSE;
479 }
480 dri2_dpy->driver_extensions = extensions;
481
482 return EGL_TRUE;
483 }
484
485 void
486 dri2_setup_screen(_EGLDisplay *disp)
487 {
488 struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
489 unsigned int api_mask;
490
491 if (dri2_dpy->dri2) {
492 api_mask = dri2_dpy->dri2->getAPIMask(dri2_dpy->dri_screen);
493 } else {
494 assert(dri2_dpy->swrast);
495 api_mask = 1 << __DRI_API_OPENGL |
496 1 << __DRI_API_GLES |
497 1 << __DRI_API_GLES2 |
498 1 << __DRI_API_GLES3;
499 }
500
501 disp->ClientAPIs = 0;
502 if (api_mask & (1 <<__DRI_API_OPENGL))
503 disp->ClientAPIs |= EGL_OPENGL_BIT;
504 if (api_mask & (1 <<__DRI_API_GLES))
505 disp->ClientAPIs |= EGL_OPENGL_ES_BIT;
506 if (api_mask & (1 << __DRI_API_GLES2))
507 disp->ClientAPIs |= EGL_OPENGL_ES2_BIT;
508 if (api_mask & (1 << __DRI_API_GLES3))
509 disp->ClientAPIs |= EGL_OPENGL_ES3_BIT_KHR;
510
511 assert(dri2_dpy->dri2 || dri2_dpy->swrast);
512 disp->Extensions.KHR_surfaceless_context = EGL_TRUE;
513 disp->Extensions.MESA_configless_context = EGL_TRUE;
514
515 if (dri2_dpy->dri2 && dri2_dpy->dri2->base.version >= 3) {
516 disp->Extensions.KHR_create_context = EGL_TRUE;
517
518 if (dri2_dpy->robustness)
519 disp->Extensions.EXT_create_context_robustness = EGL_TRUE;
520 }
521
522 if (dri2_dpy->image) {
523 disp->Extensions.MESA_drm_image = EGL_TRUE;
524 disp->Extensions.KHR_image_base = EGL_TRUE;
525 disp->Extensions.KHR_gl_renderbuffer_image = EGL_TRUE;
526 if (dri2_dpy->image->base.version >= 5 &&
527 dri2_dpy->image->createImageFromTexture) {
528 disp->Extensions.KHR_gl_texture_2D_image = EGL_TRUE;
529 disp->Extensions.KHR_gl_texture_cubemap_image = EGL_TRUE;
530 }
531 #ifdef HAVE_DRM_PLATFORM
532 if (dri2_dpy->image->base.version >= 8 &&
533 dri2_dpy->image->createImageFromDmaBufs) {
534 disp->Extensions.EXT_image_dma_buf_import = EGL_TRUE;
535 }
536 #endif
537 }
538 }
539
540 EGLBoolean
541 dri2_create_screen(_EGLDisplay *disp)
542 {
543 const __DRIextension **extensions;
544 struct dri2_egl_display *dri2_dpy;
545
546 dri2_dpy = disp->DriverData;
547
548 if (dri2_dpy->dri2) {
549 if (dri2_dpy->dri2->base.version >= 4) {
550 dri2_dpy->dri_screen =
551 dri2_dpy->dri2->createNewScreen2(0, dri2_dpy->fd,
552 dri2_dpy->extensions,
553 dri2_dpy->driver_extensions,
554 &dri2_dpy->driver_configs, disp);
555 } else {
556 dri2_dpy->dri_screen =
557 dri2_dpy->dri2->createNewScreen(0, dri2_dpy->fd,
558 dri2_dpy->extensions,
559 &dri2_dpy->driver_configs, disp);
560 }
561 } else {
562 assert(dri2_dpy->swrast);
563 if (dri2_dpy->swrast->base.version >= 4) {
564 dri2_dpy->dri_screen =
565 dri2_dpy->swrast->createNewScreen2(0, dri2_dpy->extensions,
566 dri2_dpy->driver_extensions,
567 &dri2_dpy->driver_configs, disp);
568 } else {
569 dri2_dpy->dri_screen =
570 dri2_dpy->swrast->createNewScreen(0, dri2_dpy->extensions,
571 &dri2_dpy->driver_configs, disp);
572 }
573 }
574
575 if (dri2_dpy->dri_screen == NULL) {
576 _eglLog(_EGL_WARNING, "DRI2: failed to create dri screen");
577 return EGL_FALSE;
578 }
579
580 dri2_dpy->own_dri_screen = 1;
581
582 extensions = dri2_dpy->core->getExtensions(dri2_dpy->dri_screen);
583
584 if (dri2_dpy->dri2) {
585 unsigned i;
586
587 if (!dri2_bind_extensions(dri2_dpy, dri2_core_extensions, extensions))
588 goto cleanup_dri_screen;
589
590 for (i = 0; extensions[i]; i++) {
591 if (strcmp(extensions[i]->name, __DRI2_ROBUSTNESS) == 0) {
592 dri2_dpy->robustness = (__DRIrobustnessExtension *) extensions[i];
593 }
594 if (strcmp(extensions[i]->name, __DRI2_CONFIG_QUERY) == 0) {
595 dri2_dpy->config = (__DRI2configQueryExtension *) extensions[i];
596 }
597 }
598 } else {
599 assert(dri2_dpy->swrast);
600 if (!dri2_bind_extensions(dri2_dpy, swrast_core_extensions, extensions))
601 goto cleanup_dri_screen;
602 }
603
604 dri2_setup_screen(disp);
605
606 return EGL_TRUE;
607
608 cleanup_dri_screen:
609 dri2_dpy->core->destroyScreen(dri2_dpy->dri_screen);
610
611 return EGL_FALSE;
612 }
613
614 /**
615 * Called via eglInitialize(), GLX_drv->API.Initialize().
616 */
617 static EGLBoolean
618 dri2_initialize(_EGLDriver *drv, _EGLDisplay *disp)
619 {
620 /* not until swrast_dri is supported */
621 if (disp->Options.UseFallback)
622 return EGL_FALSE;
623
624 switch (disp->Platform) {
625 #ifdef HAVE_X11_PLATFORM
626 case _EGL_PLATFORM_X11:
627 if (disp->Options.TestOnly)
628 return EGL_TRUE;
629 return dri2_initialize_x11(drv, disp);
630 #endif
631
632 #ifdef HAVE_DRM_PLATFORM
633 case _EGL_PLATFORM_DRM:
634 if (disp->Options.TestOnly)
635 return EGL_TRUE;
636 return dri2_initialize_drm(drv, disp);
637 #endif
638 #ifdef HAVE_WAYLAND_PLATFORM
639 case _EGL_PLATFORM_WAYLAND:
640 if (disp->Options.TestOnly)
641 return EGL_TRUE;
642 return dri2_initialize_wayland(drv, disp);
643 #endif
644 #ifdef HAVE_ANDROID_PLATFORM
645 case _EGL_PLATFORM_ANDROID:
646 if (disp->Options.TestOnly)
647 return EGL_TRUE;
648 return dri2_initialize_android(drv, disp);
649 #endif
650
651 default:
652 return EGL_FALSE;
653 }
654 }
655
656 /**
657 * Called via eglTerminate(), drv->API.Terminate().
658 */
659 static EGLBoolean
660 dri2_terminate(_EGLDriver *drv, _EGLDisplay *disp)
661 {
662 struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
663
664 _eglReleaseDisplayResources(drv, disp);
665 _eglCleanupDisplay(disp);
666
667 if (dri2_dpy->own_dri_screen)
668 dri2_dpy->core->destroyScreen(dri2_dpy->dri_screen);
669 if (dri2_dpy->fd)
670 close(dri2_dpy->fd);
671 if (dri2_dpy->driver)
672 dlclose(dri2_dpy->driver);
673 free(dri2_dpy->device_name);
674 free(dri2_dpy->driver_name);
675
676 switch (disp->Platform) {
677 #ifdef HAVE_X11_PLATFORM
678 case _EGL_PLATFORM_X11:
679 if (dri2_dpy->own_device) {
680 xcb_disconnect(dri2_dpy->conn);
681 }
682 break;
683 #endif
684 #ifdef HAVE_DRM_PLATFORM
685 case _EGL_PLATFORM_DRM:
686 if (dri2_dpy->own_device) {
687 gbm_device_destroy(&dri2_dpy->gbm_dri->base.base);
688 }
689 break;
690 #endif
691 #ifdef HAVE_WAYLAND_PLATFORM
692 case _EGL_PLATFORM_WAYLAND:
693 wl_drm_destroy(dri2_dpy->wl_drm);
694 if (dri2_dpy->own_device) {
695 wl_display_disconnect(dri2_dpy->wl_dpy);
696 }
697 break;
698 #endif
699 default:
700 break;
701 }
702
703 free(dri2_dpy);
704 disp->DriverData = NULL;
705
706 return EGL_TRUE;
707 }
708
709 /**
710 * Set the error code after a call to
711 * dri2_egl_display::dri2::createContextAttribs.
712 */
713 static void
714 dri2_create_context_attribs_error(int dri_error)
715 {
716 EGLint egl_error;
717
718 switch (dri_error) {
719 case __DRI_CTX_ERROR_SUCCESS:
720 return;
721
722 case __DRI_CTX_ERROR_NO_MEMORY:
723 egl_error = EGL_BAD_ALLOC;
724 break;
725
726 /* From the EGL_KHR_create_context spec, section "Errors":
727 *
728 * * If <config> does not support a client API context compatible
729 * with the requested API major and minor version, [...] context flags,
730 * and context reset notification behavior (for client API types where
731 * these attributes are supported), then an EGL_BAD_MATCH error is
732 * generated.
733 *
734 * * If an OpenGL ES context is requested and the values for
735 * attributes EGL_CONTEXT_MAJOR_VERSION_KHR and
736 * EGL_CONTEXT_MINOR_VERSION_KHR specify an OpenGL ES version that
737 * is not defined, than an EGL_BAD_MATCH error is generated.
738 *
739 * * If an OpenGL context is requested, the requested version is
740 * greater than 3.2, and the value for attribute
741 * EGL_CONTEXT_OPENGL_PROFILE_MASK_KHR has no bits set; has any
742 * bits set other than EGL_CONTEXT_OPENGL_CORE_PROFILE_BIT_KHR and
743 * EGL_CONTEXT_OPENGL_COMPATIBILITY_PROFILE_BIT_KHR; has more than
744 * one of these bits set; or if the implementation does not support
745 * the requested profile, then an EGL_BAD_MATCH error is generated.
746 */
747 case __DRI_CTX_ERROR_BAD_API:
748 case __DRI_CTX_ERROR_BAD_VERSION:
749 case __DRI_CTX_ERROR_BAD_FLAG:
750 egl_error = EGL_BAD_MATCH;
751 break;
752
753 /* From the EGL_KHR_create_context spec, section "Errors":
754 *
755 * * If an attribute name or attribute value in <attrib_list> is not
756 * recognized (including unrecognized bits in bitmask attributes),
757 * then an EGL_BAD_ATTRIBUTE error is generated."
758 */
759 case __DRI_CTX_ERROR_UNKNOWN_ATTRIBUTE:
760 case __DRI_CTX_ERROR_UNKNOWN_FLAG:
761 egl_error = EGL_BAD_ATTRIBUTE;
762 break;
763
764 default:
765 assert(0);
766 egl_error = EGL_BAD_MATCH;
767 break;
768 }
769
770 _eglError(egl_error, "dri2_create_context");
771 }
772
773 /**
774 * Called via eglCreateContext(), drv->API.CreateContext().
775 */
776 static _EGLContext *
777 dri2_create_context(_EGLDriver *drv, _EGLDisplay *disp, _EGLConfig *conf,
778 _EGLContext *share_list, const EGLint *attrib_list)
779 {
780 struct dri2_egl_context *dri2_ctx;
781 struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
782 struct dri2_egl_context *dri2_ctx_shared = dri2_egl_context(share_list);
783 __DRIcontext *shared =
784 dri2_ctx_shared ? dri2_ctx_shared->dri_context : NULL;
785 struct dri2_egl_config *dri2_config = dri2_egl_config(conf);
786 const __DRIconfig *dri_config;
787 int api;
788
789 (void) drv;
790
791 dri2_ctx = malloc(sizeof *dri2_ctx);
792 if (!dri2_ctx) {
793 _eglError(EGL_BAD_ALLOC, "eglCreateContext");
794 return NULL;
795 }
796
797 if (!_eglInitContext(&dri2_ctx->base, disp, conf, attrib_list))
798 goto cleanup;
799
800 switch (dri2_ctx->base.ClientAPI) {
801 case EGL_OPENGL_ES_API:
802 switch (dri2_ctx->base.ClientMajorVersion) {
803 case 1:
804 api = __DRI_API_GLES;
805 break;
806 case 2:
807 api = __DRI_API_GLES2;
808 break;
809 case 3:
810 api = __DRI_API_GLES3;
811 break;
812 default:
813 _eglError(EGL_BAD_PARAMETER, "eglCreateContext");
814 free(dri2_ctx);
815 return NULL;
816 }
817 break;
818 case EGL_OPENGL_API:
819 if ((dri2_ctx->base.ClientMajorVersion >= 4
820 || (dri2_ctx->base.ClientMajorVersion == 3
821 && dri2_ctx->base.ClientMinorVersion >= 2))
822 && dri2_ctx->base.Profile == EGL_CONTEXT_OPENGL_CORE_PROFILE_BIT_KHR)
823 api = __DRI_API_OPENGL_CORE;
824 else
825 api = __DRI_API_OPENGL;
826 break;
827 default:
828 _eglError(EGL_BAD_PARAMETER, "eglCreateContext");
829 free(dri2_ctx);
830 return NULL;
831 }
832
833 if (conf != NULL) {
834 /* The config chosen here isn't necessarily
835 * used for surfaces later.
836 * A pixmap surface will use the single config.
837 * This opportunity depends on disabling the
838 * doubleBufferMode check in
839 * src/mesa/main/context.c:check_compatible()
840 */
841 if (dri2_config->dri_double_config)
842 dri_config = dri2_config->dri_double_config;
843 else
844 dri_config = dri2_config->dri_single_config;
845
846 /* EGL_WINDOW_BIT is set only when there is a dri_double_config. This
847 * makes sure the back buffer will always be used.
848 */
849 if (conf->SurfaceType & EGL_WINDOW_BIT)
850 dri2_ctx->base.WindowRenderBuffer = EGL_BACK_BUFFER;
851 }
852 else
853 dri_config = NULL;
854
855 if (dri2_dpy->dri2) {
856 if (dri2_dpy->dri2->base.version >= 3) {
857 unsigned error;
858 unsigned num_attribs = 0;
859 uint32_t ctx_attribs[8];
860
861 ctx_attribs[num_attribs++] = __DRI_CTX_ATTRIB_MAJOR_VERSION;
862 ctx_attribs[num_attribs++] = dri2_ctx->base.ClientMajorVersion;
863 ctx_attribs[num_attribs++] = __DRI_CTX_ATTRIB_MINOR_VERSION;
864 ctx_attribs[num_attribs++] = dri2_ctx->base.ClientMinorVersion;
865
866 if (dri2_ctx->base.Flags != 0) {
867 /* If the implementation doesn't support the __DRI2_ROBUSTNESS
868 * extension, don't even try to send it the robust-access flag.
869 * It may explode. Instead, generate the required EGL error here.
870 */
871 if ((dri2_ctx->base.Flags & EGL_CONTEXT_OPENGL_ROBUST_ACCESS_BIT_KHR) != 0
872 && !dri2_dpy->robustness) {
873 _eglError(EGL_BAD_MATCH, "eglCreateContext");
874 goto cleanup;
875 }
876
877 ctx_attribs[num_attribs++] = __DRI_CTX_ATTRIB_FLAGS;
878 ctx_attribs[num_attribs++] = dri2_ctx->base.Flags;
879 }
880
881 if (dri2_ctx->base.ResetNotificationStrategy != EGL_NO_RESET_NOTIFICATION_KHR) {
882 /* If the implementation doesn't support the __DRI2_ROBUSTNESS
883 * extension, don't even try to send it a reset strategy. It may
884 * explode. Instead, generate the required EGL error here.
885 */
886 if (!dri2_dpy->robustness) {
887 _eglError(EGL_BAD_CONFIG, "eglCreateContext");
888 goto cleanup;
889 }
890
891 ctx_attribs[num_attribs++] = __DRI_CTX_ATTRIB_RESET_STRATEGY;
892 ctx_attribs[num_attribs++] = __DRI_CTX_RESET_LOSE_CONTEXT;
893 }
894
895 assert(num_attribs <= ARRAY_SIZE(ctx_attribs));
896
897 dri2_ctx->dri_context =
898 dri2_dpy->dri2->createContextAttribs(dri2_dpy->dri_screen,
899 api,
900 dri_config,
901 shared,
902 num_attribs / 2,
903 ctx_attribs,
904 & error,
905 dri2_ctx);
906 dri2_create_context_attribs_error(error);
907 } else {
908 dri2_ctx->dri_context =
909 dri2_dpy->dri2->createNewContextForAPI(dri2_dpy->dri_screen,
910 api,
911 dri_config,
912 shared,
913 dri2_ctx);
914 }
915 } else {
916 assert(dri2_dpy->swrast);
917 dri2_ctx->dri_context =
918 dri2_dpy->swrast->createNewContextForAPI(dri2_dpy->dri_screen,
919 api,
920 dri_config,
921 shared,
922 dri2_ctx);
923 }
924
925 if (!dri2_ctx->dri_context)
926 goto cleanup;
927
928 return &dri2_ctx->base;
929
930 cleanup:
931 free(dri2_ctx);
932 return NULL;
933 }
934
935 /**
936 * Called via eglDestroyContext(), drv->API.DestroyContext().
937 */
938 static EGLBoolean
939 dri2_destroy_context(_EGLDriver *drv, _EGLDisplay *disp, _EGLContext *ctx)
940 {
941 struct dri2_egl_context *dri2_ctx = dri2_egl_context(ctx);
942 struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
943
944 if (_eglPutContext(ctx)) {
945 dri2_dpy->core->destroyContext(dri2_ctx->dri_context);
946 free(dri2_ctx);
947 }
948
949 return EGL_TRUE;
950 }
951
952 /**
953 * Called via eglMakeCurrent(), drv->API.MakeCurrent().
954 */
955 static EGLBoolean
956 dri2_make_current(_EGLDriver *drv, _EGLDisplay *disp, _EGLSurface *dsurf,
957 _EGLSurface *rsurf, _EGLContext *ctx)
958 {
959 struct dri2_egl_driver *dri2_drv = dri2_egl_driver(drv);
960 struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
961 struct dri2_egl_surface *dri2_dsurf = dri2_egl_surface(dsurf);
962 struct dri2_egl_surface *dri2_rsurf = dri2_egl_surface(rsurf);
963 struct dri2_egl_context *dri2_ctx = dri2_egl_context(ctx);
964 _EGLContext *old_ctx;
965 _EGLSurface *old_dsurf, *old_rsurf;
966 __DRIdrawable *ddraw, *rdraw;
967 __DRIcontext *cctx;
968
969 /* make new bindings */
970 if (!_eglBindContext(ctx, dsurf, rsurf, &old_ctx, &old_dsurf, &old_rsurf))
971 return EGL_FALSE;
972
973 /* flush before context switch */
974 if (old_ctx && dri2_drv->glFlush)
975 dri2_drv->glFlush();
976
977 ddraw = (dri2_dsurf) ? dri2_dsurf->dri_drawable : NULL;
978 rdraw = (dri2_rsurf) ? dri2_rsurf->dri_drawable : NULL;
979 cctx = (dri2_ctx) ? dri2_ctx->dri_context : NULL;
980
981 if (old_ctx) {
982 __DRIcontext *old_cctx = dri2_egl_context(old_ctx)->dri_context;
983 dri2_dpy->core->unbindContext(old_cctx);
984 }
985
986 if ((cctx == NULL && ddraw == NULL && rdraw == NULL) ||
987 dri2_dpy->core->bindContext(cctx, ddraw, rdraw)) {
988 if (old_dsurf)
989 drv->API.DestroySurface(drv, disp, old_dsurf);
990 if (old_rsurf)
991 drv->API.DestroySurface(drv, disp, old_rsurf);
992 if (old_ctx)
993 drv->API.DestroyContext(drv, disp, old_ctx);
994
995 return EGL_TRUE;
996 } else {
997 /* undo the previous _eglBindContext */
998 _eglBindContext(old_ctx, old_dsurf, old_rsurf, &ctx, &dsurf, &rsurf);
999 assert(&dri2_ctx->base == ctx &&
1000 &dri2_dsurf->base == dsurf &&
1001 &dri2_rsurf->base == rsurf);
1002
1003 _eglPutSurface(dsurf);
1004 _eglPutSurface(rsurf);
1005 _eglPutContext(ctx);
1006
1007 _eglPutSurface(old_dsurf);
1008 _eglPutSurface(old_rsurf);
1009 _eglPutContext(old_ctx);
1010
1011 return EGL_FALSE;
1012 }
1013 }
1014
1015 /*
1016 * Called from eglGetProcAddress() via drv->API.GetProcAddress().
1017 */
1018 static _EGLProc
1019 dri2_get_proc_address(_EGLDriver *drv, const char *procname)
1020 {
1021 struct dri2_egl_driver *dri2_drv = dri2_egl_driver(drv);
1022
1023 return dri2_drv->get_proc_address(procname);
1024 }
1025
1026 static _EGLSurface*
1027 dri2_create_window_surface(_EGLDriver *drv, _EGLDisplay *dpy,
1028 _EGLConfig *conf, void *native_window,
1029 const EGLint *attrib_list)
1030 {
1031 struct dri2_egl_display *dri2_dpy = dri2_egl_display(dpy);
1032 return dri2_dpy->vtbl->create_window_surface(drv, dpy, conf, native_window,
1033 attrib_list);
1034 }
1035
1036 static _EGLSurface*
1037 dri2_create_pixmap_surface(_EGLDriver *drv, _EGLDisplay *dpy,
1038 _EGLConfig *conf, void *native_pixmap,
1039 const EGLint *attrib_list)
1040 {
1041 struct dri2_egl_display *dri2_dpy = dri2_egl_display(dpy);
1042 return dri2_dpy->vtbl->create_pixmap_surface(drv, dpy, conf, native_pixmap,
1043 attrib_list);
1044 }
1045
1046 static _EGLSurface*
1047 dri2_create_pbuffer_surface(_EGLDriver *drv, _EGLDisplay *dpy,
1048 _EGLConfig *conf, const EGLint *attrib_list)
1049 {
1050 struct dri2_egl_display *dri2_dpy = dri2_egl_display(dpy);
1051 return dri2_dpy->vtbl->create_pbuffer_surface(drv, dpy, conf, attrib_list);
1052 }
1053
1054 static EGLBoolean
1055 dri2_destroy_surface(_EGLDriver *drv, _EGLDisplay *dpy, _EGLSurface *surf)
1056 {
1057 struct dri2_egl_display *dri2_dpy = dri2_egl_display(dpy);
1058 return dri2_dpy->vtbl->destroy_surface(drv, dpy, surf);
1059 }
1060
1061 static EGLBoolean
1062 dri2_swap_interval(_EGLDriver *drv, _EGLDisplay *dpy, _EGLSurface *surf,
1063 EGLint interval)
1064 {
1065 struct dri2_egl_display *dri2_dpy = dri2_egl_display(dpy);
1066 return dri2_dpy->vtbl->swap_interval(drv, dpy, surf, interval);
1067 }
1068
1069 static EGLBoolean
1070 dri2_swap_buffers(_EGLDriver *drv, _EGLDisplay *dpy, _EGLSurface *surf)
1071 {
1072 struct dri2_egl_display *dri2_dpy = dri2_egl_display(dpy);
1073 return dri2_dpy->vtbl->swap_buffers(drv, dpy, surf);
1074 }
1075
1076 static EGLBoolean
1077 dri2_swap_buffers_with_damage(_EGLDriver *drv, _EGLDisplay *dpy,
1078 _EGLSurface *surf,
1079 const EGLint *rects, EGLint n_rects)
1080 {
1081 struct dri2_egl_display *dri2_dpy = dri2_egl_display(dpy);
1082 return dri2_dpy->vtbl->swap_buffers_with_damage(drv, dpy, surf,
1083 rects, n_rects);
1084 }
1085
1086 static EGLBoolean
1087 dri2_swap_buffers_region(_EGLDriver *drv, _EGLDisplay *dpy, _EGLSurface *surf,
1088 EGLint numRects, const EGLint *rects)
1089 {
1090 struct dri2_egl_display *dri2_dpy = dri2_egl_display(dpy);
1091 return dri2_dpy->vtbl->swap_buffers_region(drv, dpy, surf, numRects, rects);
1092 }
1093
1094 static EGLBoolean
1095 dri2_post_sub_buffer(_EGLDriver *drv, _EGLDisplay *dpy, _EGLSurface *surf,
1096 EGLint x, EGLint y, EGLint width, EGLint height)
1097 {
1098 struct dri2_egl_display *dri2_dpy = dri2_egl_display(dpy);
1099 return dri2_dpy->vtbl->post_sub_buffer(drv, dpy, surf, x, y, width, height);
1100 }
1101
1102 static EGLBoolean
1103 dri2_copy_buffers(_EGLDriver *drv, _EGLDisplay *dpy, _EGLSurface *surf,
1104 void *native_pixmap_target)
1105 {
1106 struct dri2_egl_display *dri2_dpy = dri2_egl_display(dpy);
1107 return dri2_dpy->vtbl->copy_buffers(drv, dpy, surf, native_pixmap_target);
1108 }
1109
1110 static EGLint
1111 dri2_query_buffer_age(_EGLDriver *drv, _EGLDisplay *dpy, _EGLSurface *surf)
1112 {
1113 struct dri2_egl_display *dri2_dpy = dri2_egl_display(dpy);
1114 return dri2_dpy->vtbl->query_buffer_age(drv, dpy, surf);
1115 }
1116
1117 static EGLBoolean
1118 dri2_wait_client(_EGLDriver *drv, _EGLDisplay *disp, _EGLContext *ctx)
1119 {
1120 struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
1121 struct dri2_egl_surface *dri2_surf = dri2_egl_surface(ctx->DrawSurface);
1122
1123 (void) drv;
1124
1125 /* FIXME: If EGL allows frontbuffer rendering for window surfaces,
1126 * we need to copy fake to real here.*/
1127
1128 if (dri2_dpy->flush != NULL)
1129 dri2_dpy->flush->flush(dri2_surf->dri_drawable);
1130
1131 return EGL_TRUE;
1132 }
1133
1134 static EGLBoolean
1135 dri2_wait_native(_EGLDriver *drv, _EGLDisplay *disp, EGLint engine)
1136 {
1137 (void) drv;
1138 (void) disp;
1139
1140 if (engine != EGL_CORE_NATIVE_ENGINE)
1141 return _eglError(EGL_BAD_PARAMETER, "eglWaitNative");
1142 /* glXWaitX(); */
1143
1144 return EGL_TRUE;
1145 }
1146
1147 static EGLBoolean
1148 dri2_bind_tex_image(_EGLDriver *drv,
1149 _EGLDisplay *disp, _EGLSurface *surf, EGLint buffer)
1150 {
1151 struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
1152 struct dri2_egl_surface *dri2_surf = dri2_egl_surface(surf);
1153 struct dri2_egl_context *dri2_ctx;
1154 _EGLContext *ctx;
1155 GLint format, target;
1156
1157 ctx = _eglGetCurrentContext();
1158 dri2_ctx = dri2_egl_context(ctx);
1159
1160 if (!_eglBindTexImage(drv, disp, surf, buffer))
1161 return EGL_FALSE;
1162
1163 switch (dri2_surf->base.TextureFormat) {
1164 case EGL_TEXTURE_RGB:
1165 format = __DRI_TEXTURE_FORMAT_RGB;
1166 break;
1167 case EGL_TEXTURE_RGBA:
1168 format = __DRI_TEXTURE_FORMAT_RGBA;
1169 break;
1170 default:
1171 assert(0);
1172 }
1173
1174 switch (dri2_surf->base.TextureTarget) {
1175 case EGL_TEXTURE_2D:
1176 target = GL_TEXTURE_2D;
1177 break;
1178 default:
1179 assert(0);
1180 }
1181
1182 (*dri2_dpy->tex_buffer->setTexBuffer2)(dri2_ctx->dri_context,
1183 target, format,
1184 dri2_surf->dri_drawable);
1185
1186 return EGL_TRUE;
1187 }
1188
1189 static EGLBoolean
1190 dri2_release_tex_image(_EGLDriver *drv,
1191 _EGLDisplay *disp, _EGLSurface *surf, EGLint buffer)
1192 {
1193 struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
1194 struct dri2_egl_surface *dri2_surf = dri2_egl_surface(surf);
1195 struct dri2_egl_context *dri2_ctx;
1196 _EGLContext *ctx;
1197 GLint target;
1198
1199 ctx = _eglGetCurrentContext();
1200 dri2_ctx = dri2_egl_context(ctx);
1201
1202 if (!_eglReleaseTexImage(drv, disp, surf, buffer))
1203 return EGL_FALSE;
1204
1205 switch (dri2_surf->base.TextureTarget) {
1206 case EGL_TEXTURE_2D:
1207 target = GL_TEXTURE_2D;
1208 break;
1209 default:
1210 assert(0);
1211 }
1212
1213 if (dri2_dpy->tex_buffer->base.version >= 3 &&
1214 dri2_dpy->tex_buffer->releaseTexBuffer != NULL) {
1215 (*dri2_dpy->tex_buffer->releaseTexBuffer)(dri2_ctx->dri_context,
1216 target,
1217 dri2_surf->dri_drawable);
1218 }
1219
1220 return EGL_TRUE;
1221 }
1222
1223 static _EGLImage*
1224 dri2_create_image(_EGLDriver *drv, _EGLDisplay *dpy, _EGLContext *ctx,
1225 EGLenum target, EGLClientBuffer buffer,
1226 const EGLint *attr_list)
1227 {
1228 struct dri2_egl_display *dri2_dpy = dri2_egl_display(dpy);
1229 return dri2_dpy->vtbl->create_image(drv, dpy, ctx, target, buffer,
1230 attr_list);
1231 }
1232
1233 static _EGLImage *
1234 dri2_create_image_from_dri(_EGLDisplay *disp, __DRIimage *dri_image)
1235 {
1236 struct dri2_egl_image *dri2_img;
1237
1238 if (dri_image == NULL) {
1239 _eglError(EGL_BAD_ALLOC, "dri2_create_image");
1240 return NULL;
1241 }
1242
1243 dri2_img = malloc(sizeof *dri2_img);
1244 if (!dri2_img) {
1245 _eglError(EGL_BAD_ALLOC, "dri2_create_image");
1246 return NULL;
1247 }
1248
1249 if (!_eglInitImage(&dri2_img->base, disp)) {
1250 free(dri2_img);
1251 return NULL;
1252 }
1253
1254 dri2_img->dri_image = dri_image;
1255
1256 return &dri2_img->base;
1257 }
1258
1259 static _EGLImage *
1260 dri2_create_image_khr_renderbuffer(_EGLDisplay *disp, _EGLContext *ctx,
1261 EGLClientBuffer buffer,
1262 const EGLint *attr_list)
1263 {
1264 struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
1265 struct dri2_egl_context *dri2_ctx = dri2_egl_context(ctx);
1266 GLuint renderbuffer = (GLuint) (uintptr_t) buffer;
1267 __DRIimage *dri_image;
1268
1269 if (renderbuffer == 0) {
1270 _eglError(EGL_BAD_PARAMETER, "dri2_create_image_khr");
1271 return EGL_NO_IMAGE_KHR;
1272 }
1273
1274 dri_image =
1275 dri2_dpy->image->createImageFromRenderbuffer(dri2_ctx->dri_context,
1276 renderbuffer, NULL);
1277
1278 return dri2_create_image_from_dri(disp, dri_image);
1279 }
1280
1281 #ifdef HAVE_DRM_PLATFORM
1282 static _EGLImage *
1283 dri2_create_image_mesa_drm_buffer(_EGLDisplay *disp, _EGLContext *ctx,
1284 EGLClientBuffer buffer, const EGLint *attr_list)
1285 {
1286 struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
1287 EGLint format, name, pitch, err;
1288 _EGLImageAttribs attrs;
1289 __DRIimage *dri_image;
1290
1291 name = (EGLint) (uintptr_t) buffer;
1292
1293 err = _eglParseImageAttribList(&attrs, disp, attr_list);
1294 if (err != EGL_SUCCESS)
1295 return NULL;
1296
1297 if (attrs.Width <= 0 || attrs.Height <= 0 ||
1298 attrs.DRMBufferStrideMESA <= 0) {
1299 _eglError(EGL_BAD_PARAMETER,
1300 "bad width, height or stride");
1301 return NULL;
1302 }
1303
1304 switch (attrs.DRMBufferFormatMESA) {
1305 case EGL_DRM_BUFFER_FORMAT_ARGB32_MESA:
1306 format = __DRI_IMAGE_FORMAT_ARGB8888;
1307 pitch = attrs.DRMBufferStrideMESA;
1308 break;
1309 default:
1310 _eglError(EGL_BAD_PARAMETER,
1311 "dri2_create_image_khr: unsupported pixmap depth");
1312 return NULL;
1313 }
1314
1315 dri_image =
1316 dri2_dpy->image->createImageFromName(dri2_dpy->dri_screen,
1317 attrs.Width,
1318 attrs.Height,
1319 format,
1320 name,
1321 pitch,
1322 NULL);
1323
1324 return dri2_create_image_from_dri(disp, dri_image);
1325 }
1326 #endif
1327
1328 #ifdef HAVE_WAYLAND_PLATFORM
1329
1330 /* This structure describes how a wl_buffer maps to one or more
1331 * __DRIimages. A wl_drm_buffer stores the wl_drm format code and the
1332 * offsets and strides of the planes in the buffer. This table maps a
1333 * wl_drm format code to a description of the planes in the buffer
1334 * that lets us create a __DRIimage for each of the planes. */
1335
1336 static const struct wl_drm_components_descriptor {
1337 uint32_t dri_components;
1338 EGLint components;
1339 int nplanes;
1340 } wl_drm_components[] = {
1341 { __DRI_IMAGE_COMPONENTS_RGB, EGL_TEXTURE_RGB, 1 },
1342 { __DRI_IMAGE_COMPONENTS_RGBA, EGL_TEXTURE_RGBA, 1 },
1343 { __DRI_IMAGE_COMPONENTS_Y_U_V, EGL_TEXTURE_Y_U_V_WL, 3 },
1344 { __DRI_IMAGE_COMPONENTS_Y_UV, EGL_TEXTURE_Y_UV_WL, 2 },
1345 { __DRI_IMAGE_COMPONENTS_Y_XUXV, EGL_TEXTURE_Y_XUXV_WL, 2 },
1346 };
1347
1348 static _EGLImage *
1349 dri2_create_image_wayland_wl_buffer(_EGLDisplay *disp, _EGLContext *ctx,
1350 EGLClientBuffer _buffer,
1351 const EGLint *attr_list)
1352 {
1353 struct wl_drm_buffer *buffer;
1354 struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
1355 const struct wl_drm_components_descriptor *f;
1356 __DRIimage *dri_image;
1357 _EGLImageAttribs attrs;
1358 EGLint err;
1359 int32_t plane;
1360
1361 buffer = wayland_drm_buffer_get(dri2_dpy->wl_server_drm,
1362 (struct wl_resource *) _buffer);
1363 if (!buffer)
1364 return NULL;
1365
1366 err = _eglParseImageAttribList(&attrs, disp, attr_list);
1367 plane = attrs.PlaneWL;
1368 if (err != EGL_SUCCESS) {
1369 _eglError(EGL_BAD_PARAMETER, "dri2_create_image_wayland_wl_buffer");
1370 return NULL;
1371 }
1372
1373 f = buffer->driver_format;
1374 if (plane < 0 || plane >= f->nplanes) {
1375 _eglError(EGL_BAD_PARAMETER,
1376 "dri2_create_image_wayland_wl_buffer (plane out of bounds)");
1377 return NULL;
1378 }
1379
1380 dri_image = dri2_dpy->image->fromPlanar(buffer->driver_buffer, plane, NULL);
1381
1382 if (dri_image == NULL) {
1383 _eglError(EGL_BAD_PARAMETER, "dri2_create_image_wayland_wl_buffer");
1384 return NULL;
1385 }
1386
1387 return dri2_create_image_from_dri(disp, dri_image);
1388 }
1389 #endif
1390
1391 static EGLBoolean
1392 dri2_get_sync_values_chromium(_EGLDisplay *dpy, _EGLSurface *surf,
1393 EGLuint64KHR *ust, EGLuint64KHR *msc,
1394 EGLuint64KHR *sbc)
1395 {
1396 struct dri2_egl_display *dri2_dpy = dri2_egl_display(dpy);
1397 return dri2_dpy->vtbl->get_sync_values(dpy, surf, ust, msc, sbc);
1398 }
1399
1400 /**
1401 * Set the error code after a call to
1402 * dri2_egl_image::dri_image::createImageFromTexture.
1403 */
1404 static void
1405 dri2_create_image_khr_texture_error(int dri_error)
1406 {
1407 EGLint egl_error;
1408
1409 switch (dri_error) {
1410 case __DRI_IMAGE_ERROR_SUCCESS:
1411 return;
1412
1413 case __DRI_IMAGE_ERROR_BAD_ALLOC:
1414 egl_error = EGL_BAD_ALLOC;
1415 break;
1416
1417 case __DRI_IMAGE_ERROR_BAD_MATCH:
1418 egl_error = EGL_BAD_MATCH;
1419 break;
1420
1421 case __DRI_IMAGE_ERROR_BAD_PARAMETER:
1422 egl_error = EGL_BAD_PARAMETER;
1423 break;
1424
1425 default:
1426 assert(0);
1427 egl_error = EGL_BAD_MATCH;
1428 break;
1429 }
1430
1431 _eglError(egl_error, "dri2_create_image_khr_texture");
1432 }
1433
1434 static _EGLImage *
1435 dri2_create_image_khr_texture(_EGLDisplay *disp, _EGLContext *ctx,
1436 EGLenum target,
1437 EGLClientBuffer buffer,
1438 const EGLint *attr_list)
1439 {
1440 struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
1441 struct dri2_egl_context *dri2_ctx = dri2_egl_context(ctx);
1442 struct dri2_egl_image *dri2_img;
1443 GLuint texture = (GLuint) (uintptr_t) buffer;
1444 _EGLImageAttribs attrs;
1445 GLuint depth;
1446 GLenum gl_target;
1447 unsigned error;
1448
1449 if (texture == 0) {
1450 _eglError(EGL_BAD_PARAMETER, "dri2_create_image_khr");
1451 return EGL_NO_IMAGE_KHR;
1452 }
1453
1454 if (_eglParseImageAttribList(&attrs, disp, attr_list) != EGL_SUCCESS)
1455 return EGL_NO_IMAGE_KHR;
1456
1457 switch (target) {
1458 case EGL_GL_TEXTURE_2D_KHR:
1459 depth = 0;
1460 gl_target = GL_TEXTURE_2D;
1461 break;
1462 case EGL_GL_TEXTURE_3D_KHR:
1463 depth = attrs.GLTextureZOffset;
1464 gl_target = GL_TEXTURE_3D;
1465 break;
1466 case EGL_GL_TEXTURE_CUBE_MAP_POSITIVE_X_KHR:
1467 case EGL_GL_TEXTURE_CUBE_MAP_NEGATIVE_X_KHR:
1468 case EGL_GL_TEXTURE_CUBE_MAP_POSITIVE_Y_KHR:
1469 case EGL_GL_TEXTURE_CUBE_MAP_NEGATIVE_Y_KHR:
1470 case EGL_GL_TEXTURE_CUBE_MAP_POSITIVE_Z_KHR:
1471 case EGL_GL_TEXTURE_CUBE_MAP_NEGATIVE_Z_KHR:
1472 depth = target - EGL_GL_TEXTURE_CUBE_MAP_POSITIVE_X_KHR;
1473 gl_target = GL_TEXTURE_CUBE_MAP;
1474 break;
1475 default:
1476 _eglError(EGL_BAD_PARAMETER, "dri2_create_image_khr");
1477 return EGL_NO_IMAGE_KHR;
1478 }
1479
1480 dri2_img = malloc(sizeof *dri2_img);
1481 if (!dri2_img) {
1482 _eglError(EGL_BAD_ALLOC, "dri2_create_image_khr");
1483 return EGL_NO_IMAGE_KHR;
1484 }
1485
1486 if (!_eglInitImage(&dri2_img->base, disp)) {
1487 _eglError(EGL_BAD_ALLOC, "dri2_create_image_khr");
1488 free(dri2_img);
1489 return EGL_NO_IMAGE_KHR;
1490 }
1491
1492 dri2_img->dri_image =
1493 dri2_dpy->image->createImageFromTexture(dri2_ctx->dri_context,
1494 gl_target,
1495 texture,
1496 depth,
1497 attrs.GLTextureLevel,
1498 &error,
1499 dri2_img);
1500 dri2_create_image_khr_texture_error(error);
1501
1502 if (!dri2_img->dri_image) {
1503 free(dri2_img);
1504 return EGL_NO_IMAGE_KHR;
1505 }
1506 return &dri2_img->base;
1507 }
1508
1509 static struct wl_buffer*
1510 dri2_create_wayland_buffer_from_image(_EGLDriver *drv, _EGLDisplay *dpy,
1511 _EGLImage *img)
1512 {
1513 struct dri2_egl_display *dri2_dpy = dri2_egl_display(dpy);
1514 return dri2_dpy->vtbl->create_wayland_buffer_from_image(drv, dpy, img);
1515 }
1516
1517 #ifdef HAVE_DRM_PLATFORM
1518 static EGLBoolean
1519 dri2_check_dma_buf_attribs(const _EGLImageAttribs *attrs)
1520 {
1521 unsigned i;
1522
1523 /**
1524 * The spec says:
1525 *
1526 * "Required attributes and their values are as follows:
1527 *
1528 * * EGL_WIDTH & EGL_HEIGHT: The logical dimensions of the buffer in pixels
1529 *
1530 * * EGL_LINUX_DRM_FOURCC_EXT: The pixel format of the buffer, as specified
1531 * by drm_fourcc.h and used as the pixel_format parameter of the
1532 * drm_mode_fb_cmd2 ioctl."
1533 *
1534 * and
1535 *
1536 * "* If <target> is EGL_LINUX_DMA_BUF_EXT, and the list of attributes is
1537 * incomplete, EGL_BAD_PARAMETER is generated."
1538 */
1539 if (attrs->Width <= 0 || attrs->Height <= 0 ||
1540 !attrs->DMABufFourCC.IsPresent) {
1541 _eglError(EGL_BAD_PARAMETER, "attribute(s) missing");
1542 return EGL_FALSE;
1543 }
1544
1545 /**
1546 * Also:
1547 *
1548 * "If <target> is EGL_LINUX_DMA_BUF_EXT and one or more of the values
1549 * specified for a plane's pitch or offset isn't supported by EGL,
1550 * EGL_BAD_ACCESS is generated."
1551 */
1552 for (i = 0; i < ARRAY_SIZE(attrs->DMABufPlanePitches); ++i) {
1553 if (attrs->DMABufPlanePitches[i].IsPresent &&
1554 attrs->DMABufPlanePitches[i].Value <= 0) {
1555 _eglError(EGL_BAD_ACCESS, "invalid pitch");
1556 return EGL_FALSE;
1557 }
1558 }
1559
1560 return EGL_TRUE;
1561 }
1562
1563 /* Returns the total number of file descriptors. Zero indicates an error. */
1564 static unsigned
1565 dri2_check_dma_buf_format(const _EGLImageAttribs *attrs)
1566 {
1567 unsigned i, plane_n;
1568
1569 switch (attrs->DMABufFourCC.Value) {
1570 case DRM_FORMAT_RGB332:
1571 case DRM_FORMAT_BGR233:
1572 case DRM_FORMAT_XRGB4444:
1573 case DRM_FORMAT_XBGR4444:
1574 case DRM_FORMAT_RGBX4444:
1575 case DRM_FORMAT_BGRX4444:
1576 case DRM_FORMAT_ARGB4444:
1577 case DRM_FORMAT_ABGR4444:
1578 case DRM_FORMAT_RGBA4444:
1579 case DRM_FORMAT_BGRA4444:
1580 case DRM_FORMAT_XRGB1555:
1581 case DRM_FORMAT_XBGR1555:
1582 case DRM_FORMAT_RGBX5551:
1583 case DRM_FORMAT_BGRX5551:
1584 case DRM_FORMAT_ARGB1555:
1585 case DRM_FORMAT_ABGR1555:
1586 case DRM_FORMAT_RGBA5551:
1587 case DRM_FORMAT_BGRA5551:
1588 case DRM_FORMAT_RGB565:
1589 case DRM_FORMAT_BGR565:
1590 case DRM_FORMAT_RGB888:
1591 case DRM_FORMAT_BGR888:
1592 case DRM_FORMAT_XRGB8888:
1593 case DRM_FORMAT_XBGR8888:
1594 case DRM_FORMAT_RGBX8888:
1595 case DRM_FORMAT_BGRX8888:
1596 case DRM_FORMAT_ARGB8888:
1597 case DRM_FORMAT_ABGR8888:
1598 case DRM_FORMAT_RGBA8888:
1599 case DRM_FORMAT_BGRA8888:
1600 case DRM_FORMAT_XRGB2101010:
1601 case DRM_FORMAT_XBGR2101010:
1602 case DRM_FORMAT_RGBX1010102:
1603 case DRM_FORMAT_BGRX1010102:
1604 case DRM_FORMAT_ARGB2101010:
1605 case DRM_FORMAT_ABGR2101010:
1606 case DRM_FORMAT_RGBA1010102:
1607 case DRM_FORMAT_BGRA1010102:
1608 case DRM_FORMAT_YUYV:
1609 case DRM_FORMAT_YVYU:
1610 case DRM_FORMAT_UYVY:
1611 case DRM_FORMAT_VYUY:
1612 plane_n = 1;
1613 break;
1614 case DRM_FORMAT_NV12:
1615 case DRM_FORMAT_NV21:
1616 case DRM_FORMAT_NV16:
1617 case DRM_FORMAT_NV61:
1618 plane_n = 2;
1619 break;
1620 case DRM_FORMAT_YUV410:
1621 case DRM_FORMAT_YVU410:
1622 case DRM_FORMAT_YUV411:
1623 case DRM_FORMAT_YVU411:
1624 case DRM_FORMAT_YUV420:
1625 case DRM_FORMAT_YVU420:
1626 case DRM_FORMAT_YUV422:
1627 case DRM_FORMAT_YVU422:
1628 case DRM_FORMAT_YUV444:
1629 case DRM_FORMAT_YVU444:
1630 plane_n = 3;
1631 break;
1632 default:
1633 _eglError(EGL_BAD_ATTRIBUTE, "invalid format");
1634 return 0;
1635 }
1636
1637 /**
1638 * The spec says:
1639 *
1640 * "* If <target> is EGL_LINUX_DMA_BUF_EXT, and the list of attributes is
1641 * incomplete, EGL_BAD_PARAMETER is generated."
1642 */
1643 for (i = 0; i < plane_n; ++i) {
1644 if (!attrs->DMABufPlaneFds[i].IsPresent ||
1645 !attrs->DMABufPlaneOffsets[i].IsPresent ||
1646 !attrs->DMABufPlanePitches[i].IsPresent) {
1647 _eglError(EGL_BAD_PARAMETER, "plane attribute(s) missing");
1648 return 0;
1649 }
1650 }
1651
1652 /**
1653 * The spec also says:
1654 *
1655 * "If <target> is EGL_LINUX_DMA_BUF_EXT, and the EGL_LINUX_DRM_FOURCC_EXT
1656 * attribute indicates a single-plane format, EGL_BAD_ATTRIBUTE is
1657 * generated if any of the EGL_DMA_BUF_PLANE1_* or EGL_DMA_BUF_PLANE2_*
1658 * attributes are specified."
1659 */
1660 for (i = plane_n; i < 3; ++i) {
1661 if (attrs->DMABufPlaneFds[i].IsPresent ||
1662 attrs->DMABufPlaneOffsets[i].IsPresent ||
1663 attrs->DMABufPlanePitches[i].IsPresent) {
1664 _eglError(EGL_BAD_ATTRIBUTE, "too many plane attributes");
1665 return 0;
1666 }
1667 }
1668
1669 return plane_n;
1670 }
1671
1672 /**
1673 * The spec says:
1674 *
1675 * "If eglCreateImageKHR is successful for a EGL_LINUX_DMA_BUF_EXT target,
1676 * the EGL takes ownership of the file descriptor and is responsible for
1677 * closing it, which it may do at any time while the EGLDisplay is
1678 * initialized."
1679 */
1680 static void
1681 dri2_take_dma_buf_ownership(const int *fds, unsigned num_fds)
1682 {
1683 int already_closed[num_fds];
1684 unsigned num_closed = 0;
1685 unsigned i, j;
1686
1687 for (i = 0; i < num_fds; ++i) {
1688 /**
1689 * The same file descriptor can be referenced multiple times in case more
1690 * than one plane is found in the same buffer, just with a different
1691 * offset.
1692 */
1693 for (j = 0; j < num_closed; ++j) {
1694 if (already_closed[j] == fds[i])
1695 break;
1696 }
1697
1698 if (j == num_closed) {
1699 close(fds[i]);
1700 already_closed[num_closed++] = fds[i];
1701 }
1702 }
1703 }
1704
1705 static _EGLImage *
1706 dri2_create_image_dma_buf(_EGLDisplay *disp, _EGLContext *ctx,
1707 EGLClientBuffer buffer, const EGLint *attr_list)
1708 {
1709 struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
1710 _EGLImage *res;
1711 EGLint err;
1712 _EGLImageAttribs attrs;
1713 __DRIimage *dri_image;
1714 unsigned num_fds;
1715 unsigned i;
1716 int fds[3];
1717 int pitches[3];
1718 int offsets[3];
1719 unsigned error;
1720
1721 /**
1722 * The spec says:
1723 *
1724 * ""* If <target> is EGL_LINUX_DMA_BUF_EXT and <buffer> is not NULL, the
1725 * error EGL_BAD_PARAMETER is generated."
1726 */
1727 if (buffer != NULL) {
1728 _eglError(EGL_BAD_PARAMETER, "buffer not NULL");
1729 return NULL;
1730 }
1731
1732 err = _eglParseImageAttribList(&attrs, disp, attr_list);
1733 if (err != EGL_SUCCESS) {
1734 _eglError(err, "bad attribute");
1735 return NULL;
1736 }
1737
1738 if (!dri2_check_dma_buf_attribs(&attrs))
1739 return NULL;
1740
1741 num_fds = dri2_check_dma_buf_format(&attrs);
1742 if (!num_fds)
1743 return NULL;
1744
1745 for (i = 0; i < num_fds; ++i) {
1746 fds[i] = attrs.DMABufPlaneFds[i].Value;
1747 pitches[i] = attrs.DMABufPlanePitches[i].Value;
1748 offsets[i] = attrs.DMABufPlaneOffsets[i].Value;
1749 }
1750
1751 dri_image =
1752 dri2_dpy->image->createImageFromDmaBufs(dri2_dpy->dri_screen,
1753 attrs.Width, attrs.Height, attrs.DMABufFourCC.Value,
1754 fds, num_fds, pitches, offsets,
1755 attrs.DMABufYuvColorSpaceHint.Value,
1756 attrs.DMABufSampleRangeHint.Value,
1757 attrs.DMABufChromaHorizontalSiting.Value,
1758 attrs.DMABufChromaVerticalSiting.Value,
1759 &error,
1760 NULL);
1761 dri2_create_image_khr_texture_error(error);
1762
1763 if (!dri_image)
1764 return EGL_NO_IMAGE_KHR;
1765
1766 res = dri2_create_image_from_dri(disp, dri_image);
1767 if (res)
1768 dri2_take_dma_buf_ownership(fds, num_fds);
1769
1770 return res;
1771 }
1772 #endif
1773
1774 _EGLImage *
1775 dri2_create_image_khr(_EGLDriver *drv, _EGLDisplay *disp,
1776 _EGLContext *ctx, EGLenum target,
1777 EGLClientBuffer buffer, const EGLint *attr_list)
1778 {
1779 (void) drv;
1780
1781 switch (target) {
1782 case EGL_GL_TEXTURE_2D_KHR:
1783 case EGL_GL_TEXTURE_CUBE_MAP_POSITIVE_X_KHR:
1784 case EGL_GL_TEXTURE_CUBE_MAP_NEGATIVE_X_KHR:
1785 case EGL_GL_TEXTURE_CUBE_MAP_POSITIVE_Y_KHR:
1786 case EGL_GL_TEXTURE_CUBE_MAP_NEGATIVE_Y_KHR:
1787 case EGL_GL_TEXTURE_CUBE_MAP_POSITIVE_Z_KHR:
1788 case EGL_GL_TEXTURE_CUBE_MAP_NEGATIVE_Z_KHR:
1789 return dri2_create_image_khr_texture(disp, ctx, target, buffer, attr_list);
1790 case EGL_GL_RENDERBUFFER_KHR:
1791 return dri2_create_image_khr_renderbuffer(disp, ctx, buffer, attr_list);
1792 #ifdef HAVE_DRM_PLATFORM
1793 case EGL_DRM_BUFFER_MESA:
1794 return dri2_create_image_mesa_drm_buffer(disp, ctx, buffer, attr_list);
1795 #endif
1796 #ifdef HAVE_WAYLAND_PLATFORM
1797 case EGL_WAYLAND_BUFFER_WL:
1798 return dri2_create_image_wayland_wl_buffer(disp, ctx, buffer, attr_list);
1799 #endif
1800 #ifdef HAVE_DRM_PLATFORM
1801 case EGL_LINUX_DMA_BUF_EXT:
1802 return dri2_create_image_dma_buf(disp, ctx, buffer, attr_list);
1803 #endif
1804 default:
1805 _eglError(EGL_BAD_PARAMETER, "dri2_create_image_khr");
1806 return EGL_NO_IMAGE_KHR;
1807 }
1808 }
1809
1810 static EGLBoolean
1811 dri2_destroy_image_khr(_EGLDriver *drv, _EGLDisplay *disp, _EGLImage *image)
1812 {
1813 struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
1814 struct dri2_egl_image *dri2_img = dri2_egl_image(image);
1815
1816 (void) drv;
1817
1818 dri2_dpy->image->destroyImage(dri2_img->dri_image);
1819 free(dri2_img);
1820
1821 return EGL_TRUE;
1822 }
1823
1824 #ifdef HAVE_DRM_PLATFORM
1825 static _EGLImage *
1826 dri2_create_drm_image_mesa(_EGLDriver *drv, _EGLDisplay *disp,
1827 const EGLint *attr_list)
1828 {
1829 struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
1830 struct dri2_egl_image *dri2_img;
1831 _EGLImageAttribs attrs;
1832 unsigned int dri_use, valid_mask;
1833 int format;
1834 EGLint err = EGL_SUCCESS;
1835
1836 (void) drv;
1837
1838 dri2_img = malloc(sizeof *dri2_img);
1839 if (!dri2_img) {
1840 _eglError(EGL_BAD_ALLOC, "dri2_create_image_khr");
1841 return EGL_NO_IMAGE_KHR;
1842 }
1843
1844 if (!attr_list) {
1845 err = EGL_BAD_PARAMETER;
1846 goto cleanup_img;
1847 }
1848
1849 if (!_eglInitImage(&dri2_img->base, disp)) {
1850 err = EGL_BAD_PARAMETER;
1851 goto cleanup_img;
1852 }
1853
1854 err = _eglParseImageAttribList(&attrs, disp, attr_list);
1855 if (err != EGL_SUCCESS)
1856 goto cleanup_img;
1857
1858 if (attrs.Width <= 0 || attrs.Height <= 0) {
1859 _eglLog(_EGL_WARNING, "bad width or height (%dx%d)",
1860 attrs.Width, attrs.Height);
1861 goto cleanup_img;
1862 }
1863
1864 switch (attrs.DRMBufferFormatMESA) {
1865 case EGL_DRM_BUFFER_FORMAT_ARGB32_MESA:
1866 format = __DRI_IMAGE_FORMAT_ARGB8888;
1867 break;
1868 default:
1869 _eglLog(_EGL_WARNING, "bad image format value 0x%04x",
1870 attrs.DRMBufferFormatMESA);
1871 goto cleanup_img;
1872 }
1873
1874 valid_mask =
1875 EGL_DRM_BUFFER_USE_SCANOUT_MESA |
1876 EGL_DRM_BUFFER_USE_SHARE_MESA |
1877 EGL_DRM_BUFFER_USE_CURSOR_MESA;
1878 if (attrs.DRMBufferUseMESA & ~valid_mask) {
1879 _eglLog(_EGL_WARNING, "bad image use bit 0x%04x",
1880 attrs.DRMBufferUseMESA & ~valid_mask);
1881 goto cleanup_img;
1882 }
1883
1884 dri_use = 0;
1885 if (attrs.DRMBufferUseMESA & EGL_DRM_BUFFER_USE_SHARE_MESA)
1886 dri_use |= __DRI_IMAGE_USE_SHARE;
1887 if (attrs.DRMBufferUseMESA & EGL_DRM_BUFFER_USE_SCANOUT_MESA)
1888 dri_use |= __DRI_IMAGE_USE_SCANOUT;
1889 if (attrs.DRMBufferUseMESA & EGL_DRM_BUFFER_USE_CURSOR_MESA)
1890 dri_use |= __DRI_IMAGE_USE_CURSOR;
1891
1892 dri2_img->dri_image =
1893 dri2_dpy->image->createImage(dri2_dpy->dri_screen,
1894 attrs.Width, attrs.Height,
1895 format, dri_use, dri2_img);
1896 if (dri2_img->dri_image == NULL) {
1897 err = EGL_BAD_ALLOC;
1898 goto cleanup_img;
1899 }
1900
1901 return &dri2_img->base;
1902
1903 cleanup_img:
1904 free(dri2_img);
1905 _eglError(err, "dri2_create_drm_image_mesa");
1906
1907 return EGL_NO_IMAGE_KHR;
1908 }
1909
1910 static EGLBoolean
1911 dri2_export_drm_image_mesa(_EGLDriver *drv, _EGLDisplay *disp, _EGLImage *img,
1912 EGLint *name, EGLint *handle, EGLint *stride)
1913 {
1914 struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
1915 struct dri2_egl_image *dri2_img = dri2_egl_image(img);
1916
1917 (void) drv;
1918
1919 if (name && !dri2_dpy->image->queryImage(dri2_img->dri_image,
1920 __DRI_IMAGE_ATTRIB_NAME, name)) {
1921 _eglError(EGL_BAD_ALLOC, "dri2_export_drm_image_mesa");
1922 return EGL_FALSE;
1923 }
1924
1925 if (handle)
1926 dri2_dpy->image->queryImage(dri2_img->dri_image,
1927 __DRI_IMAGE_ATTRIB_HANDLE, handle);
1928
1929 if (stride)
1930 dri2_dpy->image->queryImage(dri2_img->dri_image,
1931 __DRI_IMAGE_ATTRIB_STRIDE, stride);
1932
1933 return EGL_TRUE;
1934 }
1935 #endif
1936
1937 #ifdef HAVE_WAYLAND_PLATFORM
1938
1939 static void
1940 dri2_wl_reference_buffer(void *user_data, uint32_t name, int fd,
1941 struct wl_drm_buffer *buffer)
1942 {
1943 _EGLDisplay *disp = user_data;
1944 struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
1945 __DRIimage *img;
1946 int i, dri_components = 0;
1947
1948 if (fd == -1)
1949 img = dri2_dpy->image->createImageFromNames(dri2_dpy->dri_screen,
1950 buffer->width,
1951 buffer->height,
1952 buffer->format,
1953 (int*)&name, 1,
1954 buffer->stride,
1955 buffer->offset,
1956 NULL);
1957 else
1958 img = dri2_dpy->image->createImageFromFds(dri2_dpy->dri_screen,
1959 buffer->width,
1960 buffer->height,
1961 buffer->format,
1962 &fd, 1,
1963 buffer->stride,
1964 buffer->offset,
1965 NULL);
1966
1967 if (img == NULL)
1968 return;
1969
1970 dri2_dpy->image->queryImage(img, __DRI_IMAGE_ATTRIB_COMPONENTS, &dri_components);
1971
1972 buffer->driver_format = NULL;
1973 for (i = 0; i < ARRAY_SIZE(wl_drm_components); i++)
1974 if (wl_drm_components[i].dri_components == dri_components)
1975 buffer->driver_format = &wl_drm_components[i];
1976
1977 if (buffer->driver_format == NULL)
1978 dri2_dpy->image->destroyImage(img);
1979 else
1980 buffer->driver_buffer = img;
1981 }
1982
1983 static void
1984 dri2_wl_release_buffer(void *user_data, struct wl_drm_buffer *buffer)
1985 {
1986 _EGLDisplay *disp = user_data;
1987 struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
1988
1989 dri2_dpy->image->destroyImage(buffer->driver_buffer);
1990 }
1991
1992 static struct wayland_drm_callbacks wl_drm_callbacks = {
1993 .authenticate = NULL,
1994 .reference_buffer = dri2_wl_reference_buffer,
1995 .release_buffer = dri2_wl_release_buffer
1996 };
1997
1998 static EGLBoolean
1999 dri2_bind_wayland_display_wl(_EGLDriver *drv, _EGLDisplay *disp,
2000 struct wl_display *wl_dpy)
2001 {
2002 struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
2003 int flags = 0;
2004 uint64_t cap;
2005
2006 (void) drv;
2007
2008 if (dri2_dpy->wl_server_drm)
2009 return EGL_FALSE;
2010
2011 wl_drm_callbacks.authenticate =
2012 (int(*)(void *, uint32_t)) dri2_dpy->vtbl->authenticate;
2013
2014 #ifdef HAVE_LIBDRM
2015 if (drmGetCap(dri2_dpy->fd, DRM_CAP_PRIME, &cap) == 0 &&
2016 cap == (DRM_PRIME_CAP_IMPORT | DRM_PRIME_CAP_EXPORT) &&
2017 dri2_dpy->image->base.version >= 7 &&
2018 dri2_dpy->image->createImageFromFds != NULL)
2019 flags |= WAYLAND_DRM_PRIME;
2020 #endif
2021
2022 dri2_dpy->wl_server_drm =
2023 wayland_drm_init(wl_dpy, dri2_dpy->device_name,
2024 &wl_drm_callbacks, disp, flags);
2025
2026 if (!dri2_dpy->wl_server_drm)
2027 return EGL_FALSE;
2028
2029 #ifdef HAVE_DRM_PLATFORM
2030 /* We have to share the wl_drm instance with gbm, so gbm can convert
2031 * wl_buffers to gbm bos. */
2032 if (dri2_dpy->gbm_dri)
2033 dri2_dpy->gbm_dri->wl_drm = dri2_dpy->wl_server_drm;
2034 #endif
2035
2036 return EGL_TRUE;
2037 }
2038
2039 static EGLBoolean
2040 dri2_unbind_wayland_display_wl(_EGLDriver *drv, _EGLDisplay *disp,
2041 struct wl_display *wl_dpy)
2042 {
2043 struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
2044
2045 (void) drv;
2046
2047 if (!dri2_dpy->wl_server_drm)
2048 return EGL_FALSE;
2049
2050 wayland_drm_uninit(dri2_dpy->wl_server_drm);
2051 dri2_dpy->wl_server_drm = NULL;
2052
2053 return EGL_TRUE;
2054 }
2055
2056 static EGLBoolean
2057 dri2_query_wayland_buffer_wl(_EGLDriver *drv, _EGLDisplay *disp,
2058 struct wl_resource *buffer_resource,
2059 EGLint attribute, EGLint *value)
2060 {
2061 struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
2062 struct wl_drm_buffer *buffer;
2063 const struct wl_drm_components_descriptor *format;
2064
2065 buffer = wayland_drm_buffer_get(dri2_dpy->wl_server_drm, buffer_resource);
2066 if (!buffer)
2067 return EGL_FALSE;
2068
2069 format = buffer->driver_format;
2070 switch (attribute) {
2071 case EGL_TEXTURE_FORMAT:
2072 *value = format->components;
2073 return EGL_TRUE;
2074 case EGL_WIDTH:
2075 *value = buffer->width;
2076 return EGL_TRUE;
2077 case EGL_HEIGHT:
2078 *value = buffer->height;
2079 return EGL_TRUE;
2080 }
2081
2082 return EGL_FALSE;
2083 }
2084 #endif
2085
2086 static void
2087 dri2_unload(_EGLDriver *drv)
2088 {
2089 struct dri2_egl_driver *dri2_drv = dri2_egl_driver(drv);
2090
2091 if (dri2_drv->handle)
2092 dlclose(dri2_drv->handle);
2093 free(dri2_drv);
2094 }
2095
2096 static EGLBoolean
2097 dri2_load(_EGLDriver *drv)
2098 {
2099 struct dri2_egl_driver *dri2_drv = dri2_egl_driver(drv);
2100 #ifdef HAVE_SHARED_GLAPI
2101 #ifdef HAVE_ANDROID_PLATFORM
2102 const char *libname = "libglapi.so";
2103 #else
2104 const char *libname = "libglapi.so.0";
2105 #endif
2106 #else
2107 /*
2108 * Both libGL.so and libglapi.so are glapi providers. There is no way to
2109 * tell which one to load.
2110 */
2111 const char *libname = NULL;
2112 #endif
2113 void *handle;
2114
2115 /* RTLD_GLOBAL to make sure glapi symbols are visible to DRI drivers */
2116 handle = dlopen(libname, RTLD_LAZY | RTLD_GLOBAL);
2117 if (handle) {
2118 dri2_drv->get_proc_address = (_EGLProc (*)(const char *))
2119 dlsym(handle, "_glapi_get_proc_address");
2120 if (!dri2_drv->get_proc_address || !libname) {
2121 /* no need to keep a reference */
2122 dlclose(handle);
2123 handle = NULL;
2124 }
2125 }
2126
2127 /* if glapi is not available, loading DRI drivers will fail */
2128 if (!dri2_drv->get_proc_address) {
2129 _eglLog(_EGL_WARNING, "DRI2: failed to find _glapi_get_proc_address");
2130 return EGL_FALSE;
2131 }
2132
2133 dri2_drv->glFlush = (void (*)(void))
2134 dri2_drv->get_proc_address("glFlush");
2135
2136 dri2_drv->handle = handle;
2137
2138 return EGL_TRUE;
2139 }
2140
2141 /**
2142 * This is the main entrypoint into the driver, called by libEGL.
2143 * Create a new _EGLDriver object and init its dispatch table.
2144 */
2145 _EGLDriver *
2146 _eglBuiltInDriverDRI2(const char *args)
2147 {
2148 struct dri2_egl_driver *dri2_drv;
2149
2150 (void) args;
2151
2152 dri2_drv = calloc(1, sizeof *dri2_drv);
2153 if (!dri2_drv)
2154 return NULL;
2155
2156 if (!dri2_load(&dri2_drv->base)) {
2157 free(dri2_drv);
2158 return NULL;
2159 }
2160
2161 _eglInitDriverFallbacks(&dri2_drv->base);
2162 dri2_drv->base.API.Initialize = dri2_initialize;
2163 dri2_drv->base.API.Terminate = dri2_terminate;
2164 dri2_drv->base.API.CreateContext = dri2_create_context;
2165 dri2_drv->base.API.DestroyContext = dri2_destroy_context;
2166 dri2_drv->base.API.MakeCurrent = dri2_make_current;
2167 dri2_drv->base.API.CreateWindowSurface = dri2_create_window_surface;
2168 dri2_drv->base.API.CreatePixmapSurface = dri2_create_pixmap_surface;
2169 dri2_drv->base.API.CreatePbufferSurface = dri2_create_pbuffer_surface;
2170 dri2_drv->base.API.DestroySurface = dri2_destroy_surface;
2171 dri2_drv->base.API.GetProcAddress = dri2_get_proc_address;
2172 dri2_drv->base.API.WaitClient = dri2_wait_client;
2173 dri2_drv->base.API.WaitNative = dri2_wait_native;
2174 dri2_drv->base.API.BindTexImage = dri2_bind_tex_image;
2175 dri2_drv->base.API.ReleaseTexImage = dri2_release_tex_image;
2176 dri2_drv->base.API.SwapInterval = dri2_swap_interval;
2177 dri2_drv->base.API.SwapBuffers = dri2_swap_buffers;
2178 dri2_drv->base.API.SwapBuffersWithDamageEXT = dri2_swap_buffers_with_damage;
2179 dri2_drv->base.API.SwapBuffersRegionNOK = dri2_swap_buffers_region;
2180 dri2_drv->base.API.PostSubBufferNV = dri2_post_sub_buffer;
2181 dri2_drv->base.API.CopyBuffers = dri2_copy_buffers,
2182 dri2_drv->base.API.QueryBufferAge = dri2_query_buffer_age;
2183 dri2_drv->base.API.CreateImageKHR = dri2_create_image;
2184 dri2_drv->base.API.DestroyImageKHR = dri2_destroy_image_khr;
2185 dri2_drv->base.API.CreateWaylandBufferFromImageWL = dri2_create_wayland_buffer_from_image;
2186 #ifdef HAVE_DRM_PLATFORM
2187 dri2_drv->base.API.CreateDRMImageMESA = dri2_create_drm_image_mesa;
2188 dri2_drv->base.API.ExportDRMImageMESA = dri2_export_drm_image_mesa;
2189 #endif
2190 #ifdef HAVE_WAYLAND_PLATFORM
2191 dri2_drv->base.API.BindWaylandDisplayWL = dri2_bind_wayland_display_wl;
2192 dri2_drv->base.API.UnbindWaylandDisplayWL = dri2_unbind_wayland_display_wl;
2193 dri2_drv->base.API.QueryWaylandBufferWL = dri2_query_wayland_buffer_wl;
2194 #endif
2195 dri2_drv->base.API.GetSyncValuesCHROMIUM = dri2_get_sync_values_chromium;
2196
2197 dri2_drv->base.Name = "DRI2";
2198 dri2_drv->base.Unload = dri2_unload;
2199
2200 return &dri2_drv->base;
2201 }