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egl/dri2: don't require libudev to build drm/wayland 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_DRM_PLATFORM
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 { __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 { __DRI_IMAGE_LOOKUP, 1 },
303 dri2_lookup_egl_image
304 };
305
306 static const char dri_driver_path[] = DEFAULT_DRIVER_DIR;
307
308 struct dri2_extension_match {
309 const char *name;
310 int version;
311 int offset;
312 };
313
314 static struct dri2_extension_match dri2_driver_extensions[] = {
315 { __DRI_CORE, 1, offsetof(struct dri2_egl_display, core) },
316 { __DRI_DRI2, 2, offsetof(struct dri2_egl_display, dri2) },
317 { NULL, 0, 0 }
318 };
319
320 static struct dri2_extension_match dri2_core_extensions[] = {
321 { __DRI2_FLUSH, 1, offsetof(struct dri2_egl_display, flush) },
322 { __DRI_TEX_BUFFER, 2, offsetof(struct dri2_egl_display, tex_buffer) },
323 { __DRI_IMAGE, 1, offsetof(struct dri2_egl_display, image) },
324 { NULL, 0, 0 }
325 };
326
327 static struct dri2_extension_match swrast_driver_extensions[] = {
328 { __DRI_CORE, 1, offsetof(struct dri2_egl_display, core) },
329 { __DRI_SWRAST, 2, offsetof(struct dri2_egl_display, swrast) },
330 { NULL, 0, 0 }
331 };
332
333 static struct dri2_extension_match swrast_core_extensions[] = {
334 { __DRI_TEX_BUFFER, 2, offsetof(struct dri2_egl_display, tex_buffer) },
335 { NULL, 0, 0 }
336 };
337
338 static EGLBoolean
339 dri2_bind_extensions(struct dri2_egl_display *dri2_dpy,
340 struct dri2_extension_match *matches,
341 const __DRIextension **extensions)
342 {
343 int i, j, ret = EGL_TRUE;
344 void *field;
345
346 for (i = 0; extensions[i]; i++) {
347 _eglLog(_EGL_DEBUG, "DRI2: found extension `%s'", extensions[i]->name);
348 for (j = 0; matches[j].name; j++) {
349 if (strcmp(extensions[i]->name, matches[j].name) == 0 &&
350 extensions[i]->version >= matches[j].version) {
351 field = ((char *) dri2_dpy + matches[j].offset);
352 *(const __DRIextension **) field = extensions[i];
353 _eglLog(_EGL_INFO, "DRI2: found extension %s version %d",
354 extensions[i]->name, extensions[i]->version);
355 }
356 }
357 }
358
359 for (j = 0; matches[j].name; j++) {
360 field = ((char *) dri2_dpy + matches[j].offset);
361 if (*(const __DRIextension **) field == NULL) {
362 _eglLog(_EGL_FATAL, "DRI2: did not find extension %s version %d",
363 matches[j].name, matches[j].version);
364 ret = EGL_FALSE;
365 }
366 }
367
368 return ret;
369 }
370
371 static const __DRIextension **
372 dri2_open_driver(_EGLDisplay *disp)
373 {
374 struct dri2_egl_display *dri2_dpy = disp->DriverData;
375 const __DRIextension **extensions = NULL;
376 char path[PATH_MAX], *search_paths, *p, *next, *end;
377 char *get_extensions_name;
378 const __DRIextension **(*get_extensions)(void);
379
380 search_paths = NULL;
381 if (geteuid() == getuid()) {
382 /* don't allow setuid apps to use LIBGL_DRIVERS_PATH */
383 search_paths = getenv("LIBGL_DRIVERS_PATH");
384 }
385 if (search_paths == NULL)
386 search_paths = DEFAULT_DRIVER_DIR;
387
388 dri2_dpy->driver = NULL;
389 end = search_paths + strlen(search_paths);
390 for (p = search_paths; p < end && dri2_dpy->driver == NULL; p = next + 1) {
391 int len;
392 next = strchr(p, ':');
393 if (next == NULL)
394 next = end;
395
396 len = next - p;
397 #if GLX_USE_TLS
398 snprintf(path, sizeof path,
399 "%.*s/tls/%s_dri.so", len, p, dri2_dpy->driver_name);
400 dri2_dpy->driver = dlopen(path, RTLD_NOW | RTLD_GLOBAL);
401 #endif
402 if (dri2_dpy->driver == NULL) {
403 snprintf(path, sizeof path,
404 "%.*s/%s_dri.so", len, p, dri2_dpy->driver_name);
405 dri2_dpy->driver = dlopen(path, RTLD_NOW | RTLD_GLOBAL);
406 if (dri2_dpy->driver == NULL)
407 _eglLog(_EGL_DEBUG, "failed to open %s: %s\n", path, dlerror());
408 }
409 /* not need continue to loop all paths once the driver is found */
410 if (dri2_dpy->driver != NULL)
411 break;
412 }
413
414 if (dri2_dpy->driver == NULL) {
415 _eglLog(_EGL_WARNING,
416 "DRI2: failed to open %s (search paths %s)",
417 dri2_dpy->driver_name, search_paths);
418 return NULL;
419 }
420
421 _eglLog(_EGL_DEBUG, "DRI2: dlopen(%s)", path);
422
423 if (asprintf(&get_extensions_name, "%s_%s",
424 __DRI_DRIVER_GET_EXTENSIONS, dri2_dpy->driver_name) != -1) {
425 get_extensions = dlsym(dri2_dpy->driver, get_extensions_name);
426 if (get_extensions) {
427 extensions = get_extensions();
428 } else {
429 _eglLog(_EGL_DEBUG, "driver does not expose %s(): %s\n",
430 get_extensions_name, dlerror());
431 }
432 free(get_extensions_name);
433 }
434
435 if (!extensions)
436 extensions = dlsym(dri2_dpy->driver, __DRI_DRIVER_EXTENSIONS);
437 if (extensions == NULL) {
438 _eglLog(_EGL_WARNING,
439 "DRI2: driver exports no extensions (%s)", dlerror());
440 dlclose(dri2_dpy->driver);
441 }
442
443 return extensions;
444 }
445
446 EGLBoolean
447 dri2_load_driver(_EGLDisplay *disp)
448 {
449 struct dri2_egl_display *dri2_dpy = disp->DriverData;
450 const __DRIextension **extensions;
451
452 extensions = dri2_open_driver(disp);
453 if (!extensions)
454 return EGL_FALSE;
455
456 if (!dri2_bind_extensions(dri2_dpy, dri2_driver_extensions, extensions)) {
457 dlclose(dri2_dpy->driver);
458 return EGL_FALSE;
459 }
460 dri2_dpy->driver_extensions = extensions;
461
462 return EGL_TRUE;
463 }
464
465 EGLBoolean
466 dri2_load_driver_swrast(_EGLDisplay *disp)
467 {
468 struct dri2_egl_display *dri2_dpy = disp->DriverData;
469 const __DRIextension **extensions;
470
471 dri2_dpy->driver_name = "swrast";
472 extensions = dri2_open_driver(disp);
473
474 if (!extensions)
475 return EGL_FALSE;
476
477 if (!dri2_bind_extensions(dri2_dpy, swrast_driver_extensions, extensions)) {
478 dlclose(dri2_dpy->driver);
479 return EGL_FALSE;
480 }
481 dri2_dpy->driver_extensions = extensions;
482
483 return EGL_TRUE;
484 }
485
486 void
487 dri2_setup_screen(_EGLDisplay *disp)
488 {
489 struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
490 unsigned int api_mask;
491
492 if (dri2_dpy->dri2) {
493 api_mask = dri2_dpy->dri2->getAPIMask(dri2_dpy->dri_screen);
494 } else {
495 assert(dri2_dpy->swrast);
496 api_mask = 1 << __DRI_API_OPENGL |
497 1 << __DRI_API_GLES |
498 1 << __DRI_API_GLES2 |
499 1 << __DRI_API_GLES3;
500 }
501
502 disp->ClientAPIs = 0;
503 if (api_mask & (1 <<__DRI_API_OPENGL))
504 disp->ClientAPIs |= EGL_OPENGL_BIT;
505 if (api_mask & (1 <<__DRI_API_GLES))
506 disp->ClientAPIs |= EGL_OPENGL_ES_BIT;
507 if (api_mask & (1 << __DRI_API_GLES2))
508 disp->ClientAPIs |= EGL_OPENGL_ES2_BIT;
509 if (api_mask & (1 << __DRI_API_GLES3))
510 disp->ClientAPIs |= EGL_OPENGL_ES3_BIT_KHR;
511
512 assert(dri2_dpy->dri2 || dri2_dpy->swrast);
513 disp->Extensions.KHR_surfaceless_context = EGL_TRUE;
514 disp->Extensions.MESA_configless_context = EGL_TRUE;
515
516 if (dri2_dpy->dri2 && dri2_dpy->dri2->base.version >= 3) {
517 disp->Extensions.KHR_create_context = EGL_TRUE;
518
519 if (dri2_dpy->robustness)
520 disp->Extensions.EXT_create_context_robustness = EGL_TRUE;
521 }
522
523 if (dri2_dpy->image) {
524 disp->Extensions.MESA_drm_image = EGL_TRUE;
525 disp->Extensions.KHR_image_base = EGL_TRUE;
526 disp->Extensions.KHR_gl_renderbuffer_image = EGL_TRUE;
527 if (dri2_dpy->image->base.version >= 5 &&
528 dri2_dpy->image->createImageFromTexture) {
529 disp->Extensions.KHR_gl_texture_2D_image = EGL_TRUE;
530 disp->Extensions.KHR_gl_texture_cubemap_image = EGL_TRUE;
531 }
532 #ifdef HAVE_DRM_PLATFORM
533 if (dri2_dpy->image->base.version >= 8 &&
534 dri2_dpy->image->createImageFromDmaBufs) {
535 disp->Extensions.EXT_image_dma_buf_import = EGL_TRUE;
536 }
537 #endif
538 }
539 }
540
541 EGLBoolean
542 dri2_create_screen(_EGLDisplay *disp)
543 {
544 const __DRIextension **extensions;
545 struct dri2_egl_display *dri2_dpy;
546
547 dri2_dpy = disp->DriverData;
548
549 if (dri2_dpy->dri2) {
550 if (dri2_dpy->dri2->base.version >= 4) {
551 dri2_dpy->dri_screen =
552 dri2_dpy->dri2->createNewScreen2(0, dri2_dpy->fd,
553 dri2_dpy->extensions,
554 dri2_dpy->driver_extensions,
555 &dri2_dpy->driver_configs, disp);
556 } else {
557 dri2_dpy->dri_screen =
558 dri2_dpy->dri2->createNewScreen(0, dri2_dpy->fd,
559 dri2_dpy->extensions,
560 &dri2_dpy->driver_configs, disp);
561 }
562 } else {
563 assert(dri2_dpy->swrast);
564 if (dri2_dpy->swrast->base.version >= 4) {
565 dri2_dpy->dri_screen =
566 dri2_dpy->swrast->createNewScreen2(0, dri2_dpy->extensions,
567 dri2_dpy->driver_extensions,
568 &dri2_dpy->driver_configs, disp);
569 } else {
570 dri2_dpy->dri_screen =
571 dri2_dpy->swrast->createNewScreen(0, dri2_dpy->extensions,
572 &dri2_dpy->driver_configs, disp);
573 }
574 }
575
576 if (dri2_dpy->dri_screen == NULL) {
577 _eglLog(_EGL_WARNING, "DRI2: failed to create dri screen");
578 return EGL_FALSE;
579 }
580
581 dri2_dpy->own_dri_screen = 1;
582
583 extensions = dri2_dpy->core->getExtensions(dri2_dpy->dri_screen);
584
585 if (dri2_dpy->dri2) {
586 unsigned i;
587
588 if (!dri2_bind_extensions(dri2_dpy, dri2_core_extensions, extensions))
589 goto cleanup_dri_screen;
590
591 for (i = 0; extensions[i]; i++) {
592 if (strcmp(extensions[i]->name, __DRI2_ROBUSTNESS) == 0) {
593 dri2_dpy->robustness = (__DRIrobustnessExtension *) extensions[i];
594 }
595 if (strcmp(extensions[i]->name, __DRI2_CONFIG_QUERY) == 0) {
596 dri2_dpy->config = (__DRI2configQueryExtension *) extensions[i];
597 }
598 }
599 } else {
600 assert(dri2_dpy->swrast);
601 if (!dri2_bind_extensions(dri2_dpy, swrast_core_extensions, extensions))
602 goto cleanup_dri_screen;
603 }
604
605 dri2_setup_screen(disp);
606
607 return EGL_TRUE;
608
609 cleanup_dri_screen:
610 dri2_dpy->core->destroyScreen(dri2_dpy->dri_screen);
611
612 return EGL_FALSE;
613 }
614
615 /**
616 * Called via eglInitialize(), GLX_drv->API.Initialize().
617 */
618 static EGLBoolean
619 dri2_initialize(_EGLDriver *drv, _EGLDisplay *disp)
620 {
621 /* not until swrast_dri is supported */
622 if (disp->Options.UseFallback)
623 return EGL_FALSE;
624
625 switch (disp->Platform) {
626 #ifdef HAVE_X11_PLATFORM
627 case _EGL_PLATFORM_X11:
628 if (disp->Options.TestOnly)
629 return EGL_TRUE;
630 return dri2_initialize_x11(drv, disp);
631 #endif
632
633 #ifdef HAVE_DRM_PLATFORM
634 case _EGL_PLATFORM_DRM:
635 if (disp->Options.TestOnly)
636 return EGL_TRUE;
637 return dri2_initialize_drm(drv, disp);
638 #endif
639 #ifdef HAVE_WAYLAND_PLATFORM
640 case _EGL_PLATFORM_WAYLAND:
641 if (disp->Options.TestOnly)
642 return EGL_TRUE;
643 return dri2_initialize_wayland(drv, disp);
644 #endif
645 #ifdef HAVE_ANDROID_PLATFORM
646 case _EGL_PLATFORM_ANDROID:
647 if (disp->Options.TestOnly)
648 return EGL_TRUE;
649 return dri2_initialize_android(drv, disp);
650 #endif
651
652 default:
653 return EGL_FALSE;
654 }
655 }
656
657 /**
658 * Called via eglTerminate(), drv->API.Terminate().
659 */
660 static EGLBoolean
661 dri2_terminate(_EGLDriver *drv, _EGLDisplay *disp)
662 {
663 struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
664
665 _eglReleaseDisplayResources(drv, disp);
666 _eglCleanupDisplay(disp);
667
668 if (dri2_dpy->own_dri_screen)
669 dri2_dpy->core->destroyScreen(dri2_dpy->dri_screen);
670 if (dri2_dpy->fd)
671 close(dri2_dpy->fd);
672 if (dri2_dpy->driver)
673 dlclose(dri2_dpy->driver);
674 free(dri2_dpy->device_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 return NULL;
815 }
816 break;
817 case EGL_OPENGL_API:
818 if ((dri2_ctx->base.ClientMajorVersion >= 4
819 || (dri2_ctx->base.ClientMajorVersion == 3
820 && dri2_ctx->base.ClientMinorVersion >= 2))
821 && dri2_ctx->base.Profile == EGL_CONTEXT_OPENGL_CORE_PROFILE_BIT_KHR)
822 api = __DRI_API_OPENGL_CORE;
823 else
824 api = __DRI_API_OPENGL;
825 break;
826 default:
827 _eglError(EGL_BAD_PARAMETER, "eglCreateContext");
828 free(dri2_ctx);
829 return NULL;
830 }
831
832 if (conf != NULL) {
833 /* The config chosen here isn't necessarily
834 * used for surfaces later.
835 * A pixmap surface will use the single config.
836 * This opportunity depends on disabling the
837 * doubleBufferMode check in
838 * src/mesa/main/context.c:check_compatible()
839 */
840 if (dri2_config->dri_double_config)
841 dri_config = dri2_config->dri_double_config;
842 else
843 dri_config = dri2_config->dri_single_config;
844
845 /* EGL_WINDOW_BIT is set only when there is a dri_double_config. This
846 * makes sure the back buffer will always be used.
847 */
848 if (conf->SurfaceType & EGL_WINDOW_BIT)
849 dri2_ctx->base.WindowRenderBuffer = EGL_BACK_BUFFER;
850 }
851 else
852 dri_config = NULL;
853
854 if (dri2_dpy->dri2) {
855 if (dri2_dpy->dri2->base.version >= 3) {
856 unsigned error;
857 unsigned num_attribs = 0;
858 uint32_t ctx_attribs[8];
859
860 ctx_attribs[num_attribs++] = __DRI_CTX_ATTRIB_MAJOR_VERSION;
861 ctx_attribs[num_attribs++] = dri2_ctx->base.ClientMajorVersion;
862 ctx_attribs[num_attribs++] = __DRI_CTX_ATTRIB_MINOR_VERSION;
863 ctx_attribs[num_attribs++] = dri2_ctx->base.ClientMinorVersion;
864
865 if (dri2_ctx->base.Flags != 0) {
866 /* If the implementation doesn't support the __DRI2_ROBUSTNESS
867 * extension, don't even try to send it the robust-access flag.
868 * It may explode. Instead, generate the required EGL error here.
869 */
870 if ((dri2_ctx->base.Flags & EGL_CONTEXT_OPENGL_ROBUST_ACCESS_BIT_KHR) != 0
871 && !dri2_dpy->robustness) {
872 _eglError(EGL_BAD_MATCH, "eglCreateContext");
873 goto cleanup;
874 }
875
876 ctx_attribs[num_attribs++] = __DRI_CTX_ATTRIB_FLAGS;
877 ctx_attribs[num_attribs++] = dri2_ctx->base.Flags;
878 }
879
880 if (dri2_ctx->base.ResetNotificationStrategy != EGL_NO_RESET_NOTIFICATION_KHR) {
881 /* If the implementation doesn't support the __DRI2_ROBUSTNESS
882 * extension, don't even try to send it a reset strategy. It may
883 * explode. Instead, generate the required EGL error here.
884 */
885 if (!dri2_dpy->robustness) {
886 _eglError(EGL_BAD_CONFIG, "eglCreateContext");
887 goto cleanup;
888 }
889
890 ctx_attribs[num_attribs++] = __DRI_CTX_ATTRIB_RESET_STRATEGY;
891 ctx_attribs[num_attribs++] = __DRI_CTX_RESET_LOSE_CONTEXT;
892 }
893
894 assert(num_attribs <= ARRAY_SIZE(ctx_attribs));
895
896 dri2_ctx->dri_context =
897 dri2_dpy->dri2->createContextAttribs(dri2_dpy->dri_screen,
898 api,
899 dri_config,
900 shared,
901 num_attribs / 2,
902 ctx_attribs,
903 & error,
904 dri2_ctx);
905 dri2_create_context_attribs_error(error);
906 } else {
907 dri2_ctx->dri_context =
908 dri2_dpy->dri2->createNewContextForAPI(dri2_dpy->dri_screen,
909 api,
910 dri_config,
911 shared,
912 dri2_ctx);
913 }
914 } else {
915 assert(dri2_dpy->swrast);
916 dri2_ctx->dri_context =
917 dri2_dpy->swrast->createNewContextForAPI(dri2_dpy->dri_screen,
918 api,
919 dri_config,
920 shared,
921 dri2_ctx);
922 }
923
924 if (!dri2_ctx->dri_context)
925 goto cleanup;
926
927 return &dri2_ctx->base;
928
929 cleanup:
930 free(dri2_ctx);
931 return NULL;
932 }
933
934 /**
935 * Called via eglDestroyContext(), drv->API.DestroyContext().
936 */
937 static EGLBoolean
938 dri2_destroy_context(_EGLDriver *drv, _EGLDisplay *disp, _EGLContext *ctx)
939 {
940 struct dri2_egl_context *dri2_ctx = dri2_egl_context(ctx);
941 struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
942
943 if (_eglPutContext(ctx)) {
944 dri2_dpy->core->destroyContext(dri2_ctx->dri_context);
945 free(dri2_ctx);
946 }
947
948 return EGL_TRUE;
949 }
950
951 /**
952 * Called via eglMakeCurrent(), drv->API.MakeCurrent().
953 */
954 static EGLBoolean
955 dri2_make_current(_EGLDriver *drv, _EGLDisplay *disp, _EGLSurface *dsurf,
956 _EGLSurface *rsurf, _EGLContext *ctx)
957 {
958 struct dri2_egl_driver *dri2_drv = dri2_egl_driver(drv);
959 struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
960 struct dri2_egl_surface *dri2_dsurf = dri2_egl_surface(dsurf);
961 struct dri2_egl_surface *dri2_rsurf = dri2_egl_surface(rsurf);
962 struct dri2_egl_context *dri2_ctx = dri2_egl_context(ctx);
963 _EGLContext *old_ctx;
964 _EGLSurface *old_dsurf, *old_rsurf;
965 __DRIdrawable *ddraw, *rdraw;
966 __DRIcontext *cctx;
967
968 /* make new bindings */
969 if (!_eglBindContext(ctx, dsurf, rsurf, &old_ctx, &old_dsurf, &old_rsurf))
970 return EGL_FALSE;
971
972 /* flush before context switch */
973 if (old_ctx && dri2_drv->glFlush)
974 dri2_drv->glFlush();
975
976 ddraw = (dri2_dsurf) ? dri2_dsurf->dri_drawable : NULL;
977 rdraw = (dri2_rsurf) ? dri2_rsurf->dri_drawable : NULL;
978 cctx = (dri2_ctx) ? dri2_ctx->dri_context : NULL;
979
980 if (old_ctx) {
981 __DRIcontext *old_cctx = dri2_egl_context(old_ctx)->dri_context;
982 dri2_dpy->core->unbindContext(old_cctx);
983 }
984
985 if ((cctx == NULL && ddraw == NULL && rdraw == NULL) ||
986 dri2_dpy->core->bindContext(cctx, ddraw, rdraw)) {
987 if (old_dsurf)
988 drv->API.DestroySurface(drv, disp, old_dsurf);
989 if (old_rsurf)
990 drv->API.DestroySurface(drv, disp, old_rsurf);
991 if (old_ctx)
992 drv->API.DestroyContext(drv, disp, old_ctx);
993
994 return EGL_TRUE;
995 } else {
996 /* undo the previous _eglBindContext */
997 _eglBindContext(old_ctx, old_dsurf, old_rsurf, &ctx, &dsurf, &rsurf);
998 assert(&dri2_ctx->base == ctx &&
999 &dri2_dsurf->base == dsurf &&
1000 &dri2_rsurf->base == rsurf);
1001
1002 _eglPutSurface(dsurf);
1003 _eglPutSurface(rsurf);
1004 _eglPutContext(ctx);
1005
1006 _eglPutSurface(old_dsurf);
1007 _eglPutSurface(old_rsurf);
1008 _eglPutContext(old_ctx);
1009
1010 return EGL_FALSE;
1011 }
1012 }
1013
1014 /*
1015 * Called from eglGetProcAddress() via drv->API.GetProcAddress().
1016 */
1017 static _EGLProc
1018 dri2_get_proc_address(_EGLDriver *drv, const char *procname)
1019 {
1020 struct dri2_egl_driver *dri2_drv = dri2_egl_driver(drv);
1021
1022 return dri2_drv->get_proc_address(procname);
1023 }
1024
1025 static _EGLSurface*
1026 dri2_create_window_surface(_EGLDriver *drv, _EGLDisplay *dpy,
1027 _EGLConfig *conf, void *native_window,
1028 const EGLint *attrib_list)
1029 {
1030 struct dri2_egl_display *dri2_dpy = dri2_egl_display(dpy);
1031 return dri2_dpy->vtbl->create_window_surface(drv, dpy, conf, native_window,
1032 attrib_list);
1033 }
1034
1035 static _EGLSurface*
1036 dri2_create_pixmap_surface(_EGLDriver *drv, _EGLDisplay *dpy,
1037 _EGLConfig *conf, void *native_pixmap,
1038 const EGLint *attrib_list)
1039 {
1040 struct dri2_egl_display *dri2_dpy = dri2_egl_display(dpy);
1041 return dri2_dpy->vtbl->create_pixmap_surface(drv, dpy, conf, native_pixmap,
1042 attrib_list);
1043 }
1044
1045 static _EGLSurface*
1046 dri2_create_pbuffer_surface(_EGLDriver *drv, _EGLDisplay *dpy,
1047 _EGLConfig *conf, const EGLint *attrib_list)
1048 {
1049 struct dri2_egl_display *dri2_dpy = dri2_egl_display(dpy);
1050 return dri2_dpy->vtbl->create_pbuffer_surface(drv, dpy, conf, attrib_list);
1051 }
1052
1053 static EGLBoolean
1054 dri2_destroy_surface(_EGLDriver *drv, _EGLDisplay *dpy, _EGLSurface *surf)
1055 {
1056 struct dri2_egl_display *dri2_dpy = dri2_egl_display(dpy);
1057 return dri2_dpy->vtbl->destroy_surface(drv, dpy, surf);
1058 }
1059
1060 static EGLBoolean
1061 dri2_swap_interval(_EGLDriver *drv, _EGLDisplay *dpy, _EGLSurface *surf,
1062 EGLint interval)
1063 {
1064 struct dri2_egl_display *dri2_dpy = dri2_egl_display(dpy);
1065 return dri2_dpy->vtbl->swap_interval(drv, dpy, surf, interval);
1066 }
1067
1068 static EGLBoolean
1069 dri2_swap_buffers(_EGLDriver *drv, _EGLDisplay *dpy, _EGLSurface *surf)
1070 {
1071 struct dri2_egl_display *dri2_dpy = dri2_egl_display(dpy);
1072 return dri2_dpy->vtbl->swap_buffers(drv, dpy, surf);
1073 }
1074
1075 static EGLBoolean
1076 dri2_swap_buffers_with_damage(_EGLDriver *drv, _EGLDisplay *dpy,
1077 _EGLSurface *surf,
1078 const EGLint *rects, EGLint n_rects)
1079 {
1080 struct dri2_egl_display *dri2_dpy = dri2_egl_display(dpy);
1081 return dri2_dpy->vtbl->swap_buffers_with_damage(drv, dpy, surf,
1082 rects, n_rects);
1083 }
1084
1085 static EGLBoolean
1086 dri2_swap_buffers_region(_EGLDriver *drv, _EGLDisplay *dpy, _EGLSurface *surf,
1087 EGLint numRects, const EGLint *rects)
1088 {
1089 struct dri2_egl_display *dri2_dpy = dri2_egl_display(dpy);
1090 return dri2_dpy->vtbl->swap_buffers_region(drv, dpy, surf, numRects, rects);
1091 }
1092
1093 static EGLBoolean
1094 dri2_post_sub_buffer(_EGLDriver *drv, _EGLDisplay *dpy, _EGLSurface *surf,
1095 EGLint x, EGLint y, EGLint width, EGLint height)
1096 {
1097 struct dri2_egl_display *dri2_dpy = dri2_egl_display(dpy);
1098 return dri2_dpy->vtbl->post_sub_buffer(drv, dpy, surf, x, y, width, height);
1099 }
1100
1101 static EGLBoolean
1102 dri2_copy_buffers(_EGLDriver *drv, _EGLDisplay *dpy, _EGLSurface *surf,
1103 void *native_pixmap_target)
1104 {
1105 struct dri2_egl_display *dri2_dpy = dri2_egl_display(dpy);
1106 return dri2_dpy->vtbl->copy_buffers(drv, dpy, surf, native_pixmap_target);
1107 }
1108
1109 static EGLint
1110 dri2_query_buffer_age(_EGLDriver *drv, _EGLDisplay *dpy, _EGLSurface *surf)
1111 {
1112 struct dri2_egl_display *dri2_dpy = dri2_egl_display(dpy);
1113 return dri2_dpy->vtbl->query_buffer_age(drv, dpy, surf);
1114 }
1115
1116 static EGLBoolean
1117 dri2_wait_client(_EGLDriver *drv, _EGLDisplay *disp, _EGLContext *ctx)
1118 {
1119 struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
1120 struct dri2_egl_surface *dri2_surf = dri2_egl_surface(ctx->DrawSurface);
1121
1122 (void) drv;
1123
1124 /* FIXME: If EGL allows frontbuffer rendering for window surfaces,
1125 * we need to copy fake to real here.*/
1126
1127 if (dri2_dpy->flush != NULL)
1128 dri2_dpy->flush->flush(dri2_surf->dri_drawable);
1129
1130 return EGL_TRUE;
1131 }
1132
1133 static EGLBoolean
1134 dri2_wait_native(_EGLDriver *drv, _EGLDisplay *disp, EGLint engine)
1135 {
1136 (void) drv;
1137 (void) disp;
1138
1139 if (engine != EGL_CORE_NATIVE_ENGINE)
1140 return _eglError(EGL_BAD_PARAMETER, "eglWaitNative");
1141 /* glXWaitX(); */
1142
1143 return EGL_TRUE;
1144 }
1145
1146 static EGLBoolean
1147 dri2_bind_tex_image(_EGLDriver *drv,
1148 _EGLDisplay *disp, _EGLSurface *surf, EGLint buffer)
1149 {
1150 struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
1151 struct dri2_egl_surface *dri2_surf = dri2_egl_surface(surf);
1152 struct dri2_egl_context *dri2_ctx;
1153 _EGLContext *ctx;
1154 GLint format, target;
1155
1156 ctx = _eglGetCurrentContext();
1157 dri2_ctx = dri2_egl_context(ctx);
1158
1159 if (!_eglBindTexImage(drv, disp, surf, buffer))
1160 return EGL_FALSE;
1161
1162 switch (dri2_surf->base.TextureFormat) {
1163 case EGL_TEXTURE_RGB:
1164 format = __DRI_TEXTURE_FORMAT_RGB;
1165 break;
1166 case EGL_TEXTURE_RGBA:
1167 format = __DRI_TEXTURE_FORMAT_RGBA;
1168 break;
1169 default:
1170 assert(0);
1171 }
1172
1173 switch (dri2_surf->base.TextureTarget) {
1174 case EGL_TEXTURE_2D:
1175 target = GL_TEXTURE_2D;
1176 break;
1177 default:
1178 assert(0);
1179 }
1180
1181 (*dri2_dpy->tex_buffer->setTexBuffer2)(dri2_ctx->dri_context,
1182 target, format,
1183 dri2_surf->dri_drawable);
1184
1185 return EGL_TRUE;
1186 }
1187
1188 static EGLBoolean
1189 dri2_release_tex_image(_EGLDriver *drv,
1190 _EGLDisplay *disp, _EGLSurface *surf, EGLint buffer)
1191 {
1192 #if __DRI_TEX_BUFFER_VERSION >= 3
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 if (dri2_dpy->tex_buffer->releaseTexBuffer!=NULL)
1213 (*dri2_dpy->tex_buffer->releaseTexBuffer)(dri2_ctx->dri_context,
1214 target,
1215 dri2_surf->dri_drawable);
1216 #endif
1217
1218 return EGL_TRUE;
1219 }
1220
1221 static _EGLImage*
1222 dri2_create_image(_EGLDriver *drv, _EGLDisplay *dpy, _EGLContext *ctx,
1223 EGLenum target, EGLClientBuffer buffer,
1224 const EGLint *attr_list)
1225 {
1226 struct dri2_egl_display *dri2_dpy = dri2_egl_display(dpy);
1227 return dri2_dpy->vtbl->create_image(drv, dpy, ctx, target, buffer,
1228 attr_list);
1229 }
1230
1231 static _EGLImage *
1232 dri2_create_image_from_dri(_EGLDisplay *disp, __DRIimage *dri_image)
1233 {
1234 struct dri2_egl_image *dri2_img;
1235
1236 if (dri_image == NULL) {
1237 _eglError(EGL_BAD_ALLOC, "dri2_create_image");
1238 return NULL;
1239 }
1240
1241 dri2_img = malloc(sizeof *dri2_img);
1242 if (!dri2_img) {
1243 _eglError(EGL_BAD_ALLOC, "dri2_create_image");
1244 return NULL;
1245 }
1246
1247 if (!_eglInitImage(&dri2_img->base, disp)) {
1248 free(dri2_img);
1249 return NULL;
1250 }
1251
1252 dri2_img->dri_image = dri_image;
1253
1254 return &dri2_img->base;
1255 }
1256
1257 static _EGLImage *
1258 dri2_create_image_khr_renderbuffer(_EGLDisplay *disp, _EGLContext *ctx,
1259 EGLClientBuffer buffer,
1260 const EGLint *attr_list)
1261 {
1262 struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
1263 struct dri2_egl_context *dri2_ctx = dri2_egl_context(ctx);
1264 GLuint renderbuffer = (GLuint) (uintptr_t) buffer;
1265 __DRIimage *dri_image;
1266
1267 if (renderbuffer == 0) {
1268 _eglError(EGL_BAD_PARAMETER, "dri2_create_image_khr");
1269 return EGL_NO_IMAGE_KHR;
1270 }
1271
1272 dri_image =
1273 dri2_dpy->image->createImageFromRenderbuffer(dri2_ctx->dri_context,
1274 renderbuffer, NULL);
1275
1276 return dri2_create_image_from_dri(disp, dri_image);
1277 }
1278
1279 #ifdef HAVE_DRM_PLATFORM
1280 static _EGLImage *
1281 dri2_create_image_mesa_drm_buffer(_EGLDisplay *disp, _EGLContext *ctx,
1282 EGLClientBuffer buffer, const EGLint *attr_list)
1283 {
1284 struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
1285 EGLint format, name, pitch, err;
1286 _EGLImageAttribs attrs;
1287 __DRIimage *dri_image;
1288
1289 name = (EGLint) (uintptr_t) buffer;
1290
1291 err = _eglParseImageAttribList(&attrs, disp, attr_list);
1292 if (err != EGL_SUCCESS)
1293 return NULL;
1294
1295 if (attrs.Width <= 0 || attrs.Height <= 0 ||
1296 attrs.DRMBufferStrideMESA <= 0) {
1297 _eglError(EGL_BAD_PARAMETER,
1298 "bad width, height or stride");
1299 return NULL;
1300 }
1301
1302 switch (attrs.DRMBufferFormatMESA) {
1303 case EGL_DRM_BUFFER_FORMAT_ARGB32_MESA:
1304 format = __DRI_IMAGE_FORMAT_ARGB8888;
1305 pitch = attrs.DRMBufferStrideMESA;
1306 break;
1307 default:
1308 _eglError(EGL_BAD_PARAMETER,
1309 "dri2_create_image_khr: unsupported pixmap depth");
1310 return NULL;
1311 }
1312
1313 dri_image =
1314 dri2_dpy->image->createImageFromName(dri2_dpy->dri_screen,
1315 attrs.Width,
1316 attrs.Height,
1317 format,
1318 name,
1319 pitch,
1320 NULL);
1321
1322 return dri2_create_image_from_dri(disp, dri_image);
1323 }
1324 #endif
1325
1326 #ifdef HAVE_WAYLAND_PLATFORM
1327
1328 /* This structure describes how a wl_buffer maps to one or more
1329 * __DRIimages. A wl_drm_buffer stores the wl_drm format code and the
1330 * offsets and strides of the planes in the buffer. This table maps a
1331 * wl_drm format code to a description of the planes in the buffer
1332 * that lets us create a __DRIimage for each of the planes. */
1333
1334 static const struct wl_drm_components_descriptor {
1335 uint32_t dri_components;
1336 EGLint components;
1337 int nplanes;
1338 } wl_drm_components[] = {
1339 { __DRI_IMAGE_COMPONENTS_RGB, EGL_TEXTURE_RGB, 1 },
1340 { __DRI_IMAGE_COMPONENTS_RGBA, EGL_TEXTURE_RGBA, 1 },
1341 { __DRI_IMAGE_COMPONENTS_Y_U_V, EGL_TEXTURE_Y_U_V_WL, 3 },
1342 { __DRI_IMAGE_COMPONENTS_Y_UV, EGL_TEXTURE_Y_UV_WL, 2 },
1343 { __DRI_IMAGE_COMPONENTS_Y_XUXV, EGL_TEXTURE_Y_XUXV_WL, 2 },
1344 };
1345
1346 static _EGLImage *
1347 dri2_create_image_wayland_wl_buffer(_EGLDisplay *disp, _EGLContext *ctx,
1348 EGLClientBuffer _buffer,
1349 const EGLint *attr_list)
1350 {
1351 struct wl_drm_buffer *buffer;
1352 struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
1353 const struct wl_drm_components_descriptor *f;
1354 __DRIimage *dri_image;
1355 _EGLImageAttribs attrs;
1356 EGLint err;
1357 int32_t plane;
1358
1359 buffer = wayland_drm_buffer_get(dri2_dpy->wl_server_drm,
1360 (struct wl_resource *) _buffer);
1361 if (!buffer)
1362 return NULL;
1363
1364 err = _eglParseImageAttribList(&attrs, disp, attr_list);
1365 plane = attrs.PlaneWL;
1366 if (err != EGL_SUCCESS) {
1367 _eglError(EGL_BAD_PARAMETER, "dri2_create_image_wayland_wl_buffer");
1368 return NULL;
1369 }
1370
1371 f = buffer->driver_format;
1372 if (plane < 0 || plane >= f->nplanes) {
1373 _eglError(EGL_BAD_PARAMETER,
1374 "dri2_create_image_wayland_wl_buffer (plane out of bounds)");
1375 return NULL;
1376 }
1377
1378 dri_image = dri2_dpy->image->fromPlanar(buffer->driver_buffer, plane, NULL);
1379
1380 if (dri_image == NULL) {
1381 _eglError(EGL_BAD_PARAMETER, "dri2_create_image_wayland_wl_buffer");
1382 return NULL;
1383 }
1384
1385 return dri2_create_image_from_dri(disp, dri_image);
1386 }
1387 #endif
1388
1389 /**
1390 * Set the error code after a call to
1391 * dri2_egl_image::dri_image::createImageFromTexture.
1392 */
1393 static void
1394 dri2_create_image_khr_texture_error(int dri_error)
1395 {
1396 EGLint egl_error;
1397
1398 switch (dri_error) {
1399 case __DRI_IMAGE_ERROR_SUCCESS:
1400 return;
1401
1402 case __DRI_IMAGE_ERROR_BAD_ALLOC:
1403 egl_error = EGL_BAD_ALLOC;
1404 break;
1405
1406 case __DRI_IMAGE_ERROR_BAD_MATCH:
1407 egl_error = EGL_BAD_MATCH;
1408 break;
1409
1410 case __DRI_IMAGE_ERROR_BAD_PARAMETER:
1411 egl_error = EGL_BAD_PARAMETER;
1412 break;
1413
1414 default:
1415 assert(0);
1416 egl_error = EGL_BAD_MATCH;
1417 break;
1418 }
1419
1420 _eglError(egl_error, "dri2_create_image_khr_texture");
1421 }
1422
1423 static _EGLImage *
1424 dri2_create_image_khr_texture(_EGLDisplay *disp, _EGLContext *ctx,
1425 EGLenum target,
1426 EGLClientBuffer buffer,
1427 const EGLint *attr_list)
1428 {
1429 struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
1430 struct dri2_egl_context *dri2_ctx = dri2_egl_context(ctx);
1431 struct dri2_egl_image *dri2_img;
1432 GLuint texture = (GLuint) (uintptr_t) buffer;
1433 _EGLImageAttribs attrs;
1434 GLuint depth;
1435 GLenum gl_target;
1436 unsigned error;
1437
1438 if (texture == 0) {
1439 _eglError(EGL_BAD_PARAMETER, "dri2_create_image_khr");
1440 return EGL_NO_IMAGE_KHR;
1441 }
1442
1443 if (_eglParseImageAttribList(&attrs, disp, attr_list) != EGL_SUCCESS)
1444 return EGL_NO_IMAGE_KHR;
1445
1446 switch (target) {
1447 case EGL_GL_TEXTURE_2D_KHR:
1448 depth = 0;
1449 gl_target = GL_TEXTURE_2D;
1450 break;
1451 case EGL_GL_TEXTURE_3D_KHR:
1452 depth = attrs.GLTextureZOffset;
1453 gl_target = GL_TEXTURE_3D;
1454 break;
1455 case EGL_GL_TEXTURE_CUBE_MAP_POSITIVE_X_KHR:
1456 case EGL_GL_TEXTURE_CUBE_MAP_NEGATIVE_X_KHR:
1457 case EGL_GL_TEXTURE_CUBE_MAP_POSITIVE_Y_KHR:
1458 case EGL_GL_TEXTURE_CUBE_MAP_NEGATIVE_Y_KHR:
1459 case EGL_GL_TEXTURE_CUBE_MAP_POSITIVE_Z_KHR:
1460 case EGL_GL_TEXTURE_CUBE_MAP_NEGATIVE_Z_KHR:
1461 depth = target - EGL_GL_TEXTURE_CUBE_MAP_POSITIVE_X_KHR;
1462 gl_target = GL_TEXTURE_CUBE_MAP;
1463 break;
1464 default:
1465 _eglError(EGL_BAD_PARAMETER, "dri2_create_image_khr");
1466 return EGL_NO_IMAGE_KHR;
1467 }
1468
1469 dri2_img = malloc(sizeof *dri2_img);
1470 if (!dri2_img) {
1471 _eglError(EGL_BAD_ALLOC, "dri2_create_image_khr");
1472 return EGL_NO_IMAGE_KHR;
1473 }
1474
1475 if (!_eglInitImage(&dri2_img->base, disp)) {
1476 _eglError(EGL_BAD_ALLOC, "dri2_create_image_khr");
1477 free(dri2_img);
1478 return EGL_NO_IMAGE_KHR;
1479 }
1480
1481 dri2_img->dri_image =
1482 dri2_dpy->image->createImageFromTexture(dri2_ctx->dri_context,
1483 gl_target,
1484 texture,
1485 depth,
1486 attrs.GLTextureLevel,
1487 &error,
1488 dri2_img);
1489 dri2_create_image_khr_texture_error(error);
1490
1491 if (!dri2_img->dri_image) {
1492 free(dri2_img);
1493 return EGL_NO_IMAGE_KHR;
1494 }
1495 return &dri2_img->base;
1496 }
1497
1498 static struct wl_buffer*
1499 dri2_create_wayland_buffer_from_image(_EGLDriver *drv, _EGLDisplay *dpy,
1500 _EGLImage *img)
1501 {
1502 struct dri2_egl_display *dri2_dpy = dri2_egl_display(dpy);
1503 return dri2_dpy->vtbl->create_wayland_buffer_from_image(drv, dpy, img);
1504 }
1505
1506 #ifdef HAVE_DRM_PLATFORM
1507 static EGLBoolean
1508 dri2_check_dma_buf_attribs(const _EGLImageAttribs *attrs)
1509 {
1510 unsigned i;
1511
1512 /**
1513 * The spec says:
1514 *
1515 * "Required attributes and their values are as follows:
1516 *
1517 * * EGL_WIDTH & EGL_HEIGHT: The logical dimensions of the buffer in pixels
1518 *
1519 * * EGL_LINUX_DRM_FOURCC_EXT: The pixel format of the buffer, as specified
1520 * by drm_fourcc.h and used as the pixel_format parameter of the
1521 * drm_mode_fb_cmd2 ioctl."
1522 *
1523 * and
1524 *
1525 * "* If <target> is EGL_LINUX_DMA_BUF_EXT, and the list of attributes is
1526 * incomplete, EGL_BAD_PARAMETER is generated."
1527 */
1528 if (attrs->Width <= 0 || attrs->Height <= 0 ||
1529 !attrs->DMABufFourCC.IsPresent) {
1530 _eglError(EGL_BAD_PARAMETER, "attribute(s) missing");
1531 return EGL_FALSE;
1532 }
1533
1534 /**
1535 * Also:
1536 *
1537 * "If <target> is EGL_LINUX_DMA_BUF_EXT and one or more of the values
1538 * specified for a plane's pitch or offset isn't supported by EGL,
1539 * EGL_BAD_ACCESS is generated."
1540 */
1541 for (i = 0; i < ARRAY_SIZE(attrs->DMABufPlanePitches); ++i) {
1542 if (attrs->DMABufPlanePitches[i].IsPresent &&
1543 attrs->DMABufPlanePitches[i].Value <= 0) {
1544 _eglError(EGL_BAD_ACCESS, "invalid pitch");
1545 return EGL_FALSE;
1546 }
1547 }
1548
1549 return EGL_TRUE;
1550 }
1551
1552 /* Returns the total number of file descriptors. Zero indicates an error. */
1553 static unsigned
1554 dri2_check_dma_buf_format(const _EGLImageAttribs *attrs)
1555 {
1556 unsigned i, plane_n;
1557
1558 switch (attrs->DMABufFourCC.Value) {
1559 case DRM_FORMAT_RGB332:
1560 case DRM_FORMAT_BGR233:
1561 case DRM_FORMAT_XRGB4444:
1562 case DRM_FORMAT_XBGR4444:
1563 case DRM_FORMAT_RGBX4444:
1564 case DRM_FORMAT_BGRX4444:
1565 case DRM_FORMAT_ARGB4444:
1566 case DRM_FORMAT_ABGR4444:
1567 case DRM_FORMAT_RGBA4444:
1568 case DRM_FORMAT_BGRA4444:
1569 case DRM_FORMAT_XRGB1555:
1570 case DRM_FORMAT_XBGR1555:
1571 case DRM_FORMAT_RGBX5551:
1572 case DRM_FORMAT_BGRX5551:
1573 case DRM_FORMAT_ARGB1555:
1574 case DRM_FORMAT_ABGR1555:
1575 case DRM_FORMAT_RGBA5551:
1576 case DRM_FORMAT_BGRA5551:
1577 case DRM_FORMAT_RGB565:
1578 case DRM_FORMAT_BGR565:
1579 case DRM_FORMAT_RGB888:
1580 case DRM_FORMAT_BGR888:
1581 case DRM_FORMAT_XRGB8888:
1582 case DRM_FORMAT_XBGR8888:
1583 case DRM_FORMAT_RGBX8888:
1584 case DRM_FORMAT_BGRX8888:
1585 case DRM_FORMAT_ARGB8888:
1586 case DRM_FORMAT_ABGR8888:
1587 case DRM_FORMAT_RGBA8888:
1588 case DRM_FORMAT_BGRA8888:
1589 case DRM_FORMAT_XRGB2101010:
1590 case DRM_FORMAT_XBGR2101010:
1591 case DRM_FORMAT_RGBX1010102:
1592 case DRM_FORMAT_BGRX1010102:
1593 case DRM_FORMAT_ARGB2101010:
1594 case DRM_FORMAT_ABGR2101010:
1595 case DRM_FORMAT_RGBA1010102:
1596 case DRM_FORMAT_BGRA1010102:
1597 case DRM_FORMAT_YUYV:
1598 case DRM_FORMAT_YVYU:
1599 case DRM_FORMAT_UYVY:
1600 case DRM_FORMAT_VYUY:
1601 plane_n = 1;
1602 break;
1603 case DRM_FORMAT_NV12:
1604 case DRM_FORMAT_NV21:
1605 case DRM_FORMAT_NV16:
1606 case DRM_FORMAT_NV61:
1607 plane_n = 2;
1608 break;
1609 case DRM_FORMAT_YUV410:
1610 case DRM_FORMAT_YVU410:
1611 case DRM_FORMAT_YUV411:
1612 case DRM_FORMAT_YVU411:
1613 case DRM_FORMAT_YUV420:
1614 case DRM_FORMAT_YVU420:
1615 case DRM_FORMAT_YUV422:
1616 case DRM_FORMAT_YVU422:
1617 case DRM_FORMAT_YUV444:
1618 case DRM_FORMAT_YVU444:
1619 plane_n = 3;
1620 break;
1621 default:
1622 _eglError(EGL_BAD_ATTRIBUTE, "invalid format");
1623 return 0;
1624 }
1625
1626 /**
1627 * The spec says:
1628 *
1629 * "* If <target> is EGL_LINUX_DMA_BUF_EXT, and the list of attributes is
1630 * incomplete, EGL_BAD_PARAMETER is generated."
1631 */
1632 for (i = 0; i < plane_n; ++i) {
1633 if (!attrs->DMABufPlaneFds[i].IsPresent ||
1634 !attrs->DMABufPlaneOffsets[i].IsPresent ||
1635 !attrs->DMABufPlanePitches[i].IsPresent) {
1636 _eglError(EGL_BAD_PARAMETER, "plane attribute(s) missing");
1637 return 0;
1638 }
1639 }
1640
1641 /**
1642 * The spec also says:
1643 *
1644 * "If <target> is EGL_LINUX_DMA_BUF_EXT, and the EGL_LINUX_DRM_FOURCC_EXT
1645 * attribute indicates a single-plane format, EGL_BAD_ATTRIBUTE is
1646 * generated if any of the EGL_DMA_BUF_PLANE1_* or EGL_DMA_BUF_PLANE2_*
1647 * attributes are specified."
1648 */
1649 for (i = plane_n; i < 3; ++i) {
1650 if (attrs->DMABufPlaneFds[i].IsPresent ||
1651 attrs->DMABufPlaneOffsets[i].IsPresent ||
1652 attrs->DMABufPlanePitches[i].IsPresent) {
1653 _eglError(EGL_BAD_ATTRIBUTE, "too many plane attributes");
1654 return 0;
1655 }
1656 }
1657
1658 return plane_n;
1659 }
1660
1661 /**
1662 * The spec says:
1663 *
1664 * "If eglCreateImageKHR is successful for a EGL_LINUX_DMA_BUF_EXT target,
1665 * the EGL takes ownership of the file descriptor and is responsible for
1666 * closing it, which it may do at any time while the EGLDisplay is
1667 * initialized."
1668 */
1669 static void
1670 dri2_take_dma_buf_ownership(const int *fds, unsigned num_fds)
1671 {
1672 int already_closed[num_fds];
1673 unsigned num_closed = 0;
1674 unsigned i, j;
1675
1676 for (i = 0; i < num_fds; ++i) {
1677 /**
1678 * The same file descriptor can be referenced multiple times in case more
1679 * than one plane is found in the same buffer, just with a different
1680 * offset.
1681 */
1682 for (j = 0; j < num_closed; ++j) {
1683 if (already_closed[j] == fds[i])
1684 break;
1685 }
1686
1687 if (j == num_closed) {
1688 close(fds[i]);
1689 already_closed[num_closed++] = fds[i];
1690 }
1691 }
1692 }
1693
1694 static _EGLImage *
1695 dri2_create_image_dma_buf(_EGLDisplay *disp, _EGLContext *ctx,
1696 EGLClientBuffer buffer, const EGLint *attr_list)
1697 {
1698 struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
1699 _EGLImage *res;
1700 EGLint err;
1701 _EGLImageAttribs attrs;
1702 __DRIimage *dri_image;
1703 unsigned num_fds;
1704 unsigned i;
1705 int fds[3];
1706 int pitches[3];
1707 int offsets[3];
1708 unsigned error;
1709
1710 /**
1711 * The spec says:
1712 *
1713 * ""* If <target> is EGL_LINUX_DMA_BUF_EXT and <buffer> is not NULL, the
1714 * error EGL_BAD_PARAMETER is generated."
1715 */
1716 if (buffer != NULL) {
1717 _eglError(EGL_BAD_PARAMETER, "buffer not NULL");
1718 return NULL;
1719 }
1720
1721 err = _eglParseImageAttribList(&attrs, disp, attr_list);
1722 if (err != EGL_SUCCESS) {
1723 _eglError(err, "bad attribute");
1724 return NULL;
1725 }
1726
1727 if (!dri2_check_dma_buf_attribs(&attrs))
1728 return NULL;
1729
1730 num_fds = dri2_check_dma_buf_format(&attrs);
1731 if (!num_fds)
1732 return NULL;
1733
1734 for (i = 0; i < num_fds; ++i) {
1735 fds[i] = attrs.DMABufPlaneFds[i].Value;
1736 pitches[i] = attrs.DMABufPlanePitches[i].Value;
1737 offsets[i] = attrs.DMABufPlaneOffsets[i].Value;
1738 }
1739
1740 dri_image =
1741 dri2_dpy->image->createImageFromDmaBufs(dri2_dpy->dri_screen,
1742 attrs.Width, attrs.Height, attrs.DMABufFourCC.Value,
1743 fds, num_fds, pitches, offsets,
1744 attrs.DMABufYuvColorSpaceHint.Value,
1745 attrs.DMABufSampleRangeHint.Value,
1746 attrs.DMABufChromaHorizontalSiting.Value,
1747 attrs.DMABufChromaVerticalSiting.Value,
1748 &error,
1749 NULL);
1750 dri2_create_image_khr_texture_error(error);
1751
1752 if (!dri_image)
1753 return EGL_NO_IMAGE_KHR;
1754
1755 res = dri2_create_image_from_dri(disp, dri_image);
1756 if (res)
1757 dri2_take_dma_buf_ownership(fds, num_fds);
1758
1759 return res;
1760 }
1761 #endif
1762
1763 _EGLImage *
1764 dri2_create_image_khr(_EGLDriver *drv, _EGLDisplay *disp,
1765 _EGLContext *ctx, EGLenum target,
1766 EGLClientBuffer buffer, const EGLint *attr_list)
1767 {
1768 (void) drv;
1769
1770 switch (target) {
1771 case EGL_GL_TEXTURE_2D_KHR:
1772 case EGL_GL_TEXTURE_CUBE_MAP_POSITIVE_X_KHR:
1773 case EGL_GL_TEXTURE_CUBE_MAP_NEGATIVE_X_KHR:
1774 case EGL_GL_TEXTURE_CUBE_MAP_POSITIVE_Y_KHR:
1775 case EGL_GL_TEXTURE_CUBE_MAP_NEGATIVE_Y_KHR:
1776 case EGL_GL_TEXTURE_CUBE_MAP_POSITIVE_Z_KHR:
1777 case EGL_GL_TEXTURE_CUBE_MAP_NEGATIVE_Z_KHR:
1778 return dri2_create_image_khr_texture(disp, ctx, target, buffer, attr_list);
1779 case EGL_GL_RENDERBUFFER_KHR:
1780 return dri2_create_image_khr_renderbuffer(disp, ctx, buffer, attr_list);
1781 #ifdef HAVE_DRM_PLATFORM
1782 case EGL_DRM_BUFFER_MESA:
1783 return dri2_create_image_mesa_drm_buffer(disp, ctx, buffer, attr_list);
1784 #endif
1785 #ifdef HAVE_WAYLAND_PLATFORM
1786 case EGL_WAYLAND_BUFFER_WL:
1787 return dri2_create_image_wayland_wl_buffer(disp, ctx, buffer, attr_list);
1788 #endif
1789 #ifdef HAVE_DRM_PLATFORM
1790 case EGL_LINUX_DMA_BUF_EXT:
1791 return dri2_create_image_dma_buf(disp, ctx, buffer, attr_list);
1792 #endif
1793 default:
1794 _eglError(EGL_BAD_PARAMETER, "dri2_create_image_khr");
1795 return EGL_NO_IMAGE_KHR;
1796 }
1797 }
1798
1799 static EGLBoolean
1800 dri2_destroy_image_khr(_EGLDriver *drv, _EGLDisplay *disp, _EGLImage *image)
1801 {
1802 struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
1803 struct dri2_egl_image *dri2_img = dri2_egl_image(image);
1804
1805 (void) drv;
1806
1807 dri2_dpy->image->destroyImage(dri2_img->dri_image);
1808 free(dri2_img);
1809
1810 return EGL_TRUE;
1811 }
1812
1813 #ifdef HAVE_DRM_PLATFORM
1814 static _EGLImage *
1815 dri2_create_drm_image_mesa(_EGLDriver *drv, _EGLDisplay *disp,
1816 const EGLint *attr_list)
1817 {
1818 struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
1819 struct dri2_egl_image *dri2_img;
1820 _EGLImageAttribs attrs;
1821 unsigned int dri_use, valid_mask;
1822 int format;
1823 EGLint err = EGL_SUCCESS;
1824
1825 (void) drv;
1826
1827 dri2_img = malloc(sizeof *dri2_img);
1828 if (!dri2_img) {
1829 _eglError(EGL_BAD_ALLOC, "dri2_create_image_khr");
1830 return EGL_NO_IMAGE_KHR;
1831 }
1832
1833 if (!attr_list) {
1834 err = EGL_BAD_PARAMETER;
1835 goto cleanup_img;
1836 }
1837
1838 if (!_eglInitImage(&dri2_img->base, disp)) {
1839 err = EGL_BAD_PARAMETER;
1840 goto cleanup_img;
1841 }
1842
1843 err = _eglParseImageAttribList(&attrs, disp, attr_list);
1844 if (err != EGL_SUCCESS)
1845 goto cleanup_img;
1846
1847 if (attrs.Width <= 0 || attrs.Height <= 0) {
1848 _eglLog(_EGL_WARNING, "bad width or height (%dx%d)",
1849 attrs.Width, attrs.Height);
1850 goto cleanup_img;
1851 }
1852
1853 switch (attrs.DRMBufferFormatMESA) {
1854 case EGL_DRM_BUFFER_FORMAT_ARGB32_MESA:
1855 format = __DRI_IMAGE_FORMAT_ARGB8888;
1856 break;
1857 default:
1858 _eglLog(_EGL_WARNING, "bad image format value 0x%04x",
1859 attrs.DRMBufferFormatMESA);
1860 goto cleanup_img;
1861 }
1862
1863 valid_mask =
1864 EGL_DRM_BUFFER_USE_SCANOUT_MESA |
1865 EGL_DRM_BUFFER_USE_SHARE_MESA |
1866 EGL_DRM_BUFFER_USE_CURSOR_MESA;
1867 if (attrs.DRMBufferUseMESA & ~valid_mask) {
1868 _eglLog(_EGL_WARNING, "bad image use bit 0x%04x",
1869 attrs.DRMBufferUseMESA & ~valid_mask);
1870 goto cleanup_img;
1871 }
1872
1873 dri_use = 0;
1874 if (attrs.DRMBufferUseMESA & EGL_DRM_BUFFER_USE_SHARE_MESA)
1875 dri_use |= __DRI_IMAGE_USE_SHARE;
1876 if (attrs.DRMBufferUseMESA & EGL_DRM_BUFFER_USE_SCANOUT_MESA)
1877 dri_use |= __DRI_IMAGE_USE_SCANOUT;
1878 if (attrs.DRMBufferUseMESA & EGL_DRM_BUFFER_USE_CURSOR_MESA)
1879 dri_use |= __DRI_IMAGE_USE_CURSOR;
1880
1881 dri2_img->dri_image =
1882 dri2_dpy->image->createImage(dri2_dpy->dri_screen,
1883 attrs.Width, attrs.Height,
1884 format, dri_use, dri2_img);
1885 if (dri2_img->dri_image == NULL) {
1886 err = EGL_BAD_ALLOC;
1887 goto cleanup_img;
1888 }
1889
1890 return &dri2_img->base;
1891
1892 cleanup_img:
1893 free(dri2_img);
1894 _eglError(err, "dri2_create_drm_image_mesa");
1895
1896 return EGL_NO_IMAGE_KHR;
1897 }
1898
1899 static EGLBoolean
1900 dri2_export_drm_image_mesa(_EGLDriver *drv, _EGLDisplay *disp, _EGLImage *img,
1901 EGLint *name, EGLint *handle, EGLint *stride)
1902 {
1903 struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
1904 struct dri2_egl_image *dri2_img = dri2_egl_image(img);
1905
1906 (void) drv;
1907
1908 if (name && !dri2_dpy->image->queryImage(dri2_img->dri_image,
1909 __DRI_IMAGE_ATTRIB_NAME, name)) {
1910 _eglError(EGL_BAD_ALLOC, "dri2_export_drm_image_mesa");
1911 return EGL_FALSE;
1912 }
1913
1914 if (handle)
1915 dri2_dpy->image->queryImage(dri2_img->dri_image,
1916 __DRI_IMAGE_ATTRIB_HANDLE, handle);
1917
1918 if (stride)
1919 dri2_dpy->image->queryImage(dri2_img->dri_image,
1920 __DRI_IMAGE_ATTRIB_STRIDE, stride);
1921
1922 return EGL_TRUE;
1923 }
1924 #endif
1925
1926 #ifdef HAVE_WAYLAND_PLATFORM
1927
1928 static void
1929 dri2_wl_reference_buffer(void *user_data, uint32_t name, int fd,
1930 struct wl_drm_buffer *buffer)
1931 {
1932 _EGLDisplay *disp = user_data;
1933 struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
1934 __DRIimage *img;
1935 int i, dri_components = 0;
1936
1937 if (fd == -1)
1938 img = dri2_dpy->image->createImageFromNames(dri2_dpy->dri_screen,
1939 buffer->width,
1940 buffer->height,
1941 buffer->format,
1942 (int*)&name, 1,
1943 buffer->stride,
1944 buffer->offset,
1945 NULL);
1946 else
1947 img = dri2_dpy->image->createImageFromFds(dri2_dpy->dri_screen,
1948 buffer->width,
1949 buffer->height,
1950 buffer->format,
1951 &fd, 1,
1952 buffer->stride,
1953 buffer->offset,
1954 NULL);
1955
1956 if (img == NULL)
1957 return;
1958
1959 dri2_dpy->image->queryImage(img, __DRI_IMAGE_ATTRIB_COMPONENTS, &dri_components);
1960
1961 buffer->driver_format = NULL;
1962 for (i = 0; i < ARRAY_SIZE(wl_drm_components); i++)
1963 if (wl_drm_components[i].dri_components == dri_components)
1964 buffer->driver_format = &wl_drm_components[i];
1965
1966 if (buffer->driver_format == NULL)
1967 dri2_dpy->image->destroyImage(img);
1968 else
1969 buffer->driver_buffer = img;
1970 }
1971
1972 static void
1973 dri2_wl_release_buffer(void *user_data, struct wl_drm_buffer *buffer)
1974 {
1975 _EGLDisplay *disp = user_data;
1976 struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
1977
1978 dri2_dpy->image->destroyImage(buffer->driver_buffer);
1979 }
1980
1981 static struct wayland_drm_callbacks wl_drm_callbacks = {
1982 .authenticate = NULL,
1983 .reference_buffer = dri2_wl_reference_buffer,
1984 .release_buffer = dri2_wl_release_buffer
1985 };
1986
1987 static EGLBoolean
1988 dri2_bind_wayland_display_wl(_EGLDriver *drv, _EGLDisplay *disp,
1989 struct wl_display *wl_dpy)
1990 {
1991 struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
1992 int ret, flags = 0;
1993 uint64_t cap;
1994
1995 (void) drv;
1996
1997 if (dri2_dpy->wl_server_drm)
1998 return EGL_FALSE;
1999
2000 wl_drm_callbacks.authenticate =
2001 (int(*)(void *, uint32_t)) dri2_dpy->vtbl->authenticate;
2002
2003 ret = drmGetCap(dri2_dpy->fd, DRM_CAP_PRIME, &cap);
2004 if (ret == 0 && cap == (DRM_PRIME_CAP_IMPORT | DRM_PRIME_CAP_EXPORT) &&
2005 dri2_dpy->image->base.version >= 7 &&
2006 dri2_dpy->image->createImageFromFds != NULL)
2007 flags |= WAYLAND_DRM_PRIME;
2008
2009 dri2_dpy->wl_server_drm =
2010 wayland_drm_init(wl_dpy, dri2_dpy->device_name,
2011 &wl_drm_callbacks, disp, flags);
2012
2013 if (!dri2_dpy->wl_server_drm)
2014 return EGL_FALSE;
2015
2016 /* We have to share the wl_drm instance with gbm, so gbm can convert
2017 * wl_buffers to gbm bos. */
2018 if (dri2_dpy->gbm_dri)
2019 dri2_dpy->gbm_dri->wl_drm = dri2_dpy->wl_server_drm;
2020
2021 return EGL_TRUE;
2022 }
2023
2024 static EGLBoolean
2025 dri2_unbind_wayland_display_wl(_EGLDriver *drv, _EGLDisplay *disp,
2026 struct wl_display *wl_dpy)
2027 {
2028 struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
2029
2030 (void) drv;
2031
2032 if (!dri2_dpy->wl_server_drm)
2033 return EGL_FALSE;
2034
2035 wayland_drm_uninit(dri2_dpy->wl_server_drm);
2036 dri2_dpy->wl_server_drm = NULL;
2037
2038 return EGL_TRUE;
2039 }
2040
2041 static EGLBoolean
2042 dri2_query_wayland_buffer_wl(_EGLDriver *drv, _EGLDisplay *disp,
2043 struct wl_resource *buffer_resource,
2044 EGLint attribute, EGLint *value)
2045 {
2046 struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
2047 struct wl_drm_buffer *buffer;
2048 const struct wl_drm_components_descriptor *format;
2049
2050 buffer = wayland_drm_buffer_get(dri2_dpy->wl_server_drm, buffer_resource);
2051 if (!buffer)
2052 return EGL_FALSE;
2053
2054 format = buffer->driver_format;
2055 switch (attribute) {
2056 case EGL_TEXTURE_FORMAT:
2057 *value = format->components;
2058 return EGL_TRUE;
2059 case EGL_WIDTH:
2060 *value = buffer->width;
2061 return EGL_TRUE;
2062 case EGL_HEIGHT:
2063 *value = buffer->height;
2064 return EGL_TRUE;
2065 }
2066
2067 return EGL_FALSE;
2068 }
2069 #endif
2070
2071 static void
2072 dri2_unload(_EGLDriver *drv)
2073 {
2074 struct dri2_egl_driver *dri2_drv = dri2_egl_driver(drv);
2075
2076 if (dri2_drv->handle)
2077 dlclose(dri2_drv->handle);
2078 free(dri2_drv);
2079 }
2080
2081 static EGLBoolean
2082 dri2_load(_EGLDriver *drv)
2083 {
2084 struct dri2_egl_driver *dri2_drv = dri2_egl_driver(drv);
2085 #ifdef HAVE_SHARED_GLAPI
2086 #ifdef HAVE_ANDROID_PLATFORM
2087 const char *libname = "libglapi.so";
2088 #else
2089 const char *libname = "libglapi.so.0";
2090 #endif
2091 #else
2092 /*
2093 * Both libGL.so and libglapi.so are glapi providers. There is no way to
2094 * tell which one to load.
2095 */
2096 const char *libname = NULL;
2097 #endif
2098 void *handle;
2099
2100 /* RTLD_GLOBAL to make sure glapi symbols are visible to DRI drivers */
2101 handle = dlopen(libname, RTLD_LAZY | RTLD_GLOBAL);
2102 if (handle) {
2103 dri2_drv->get_proc_address = (_EGLProc (*)(const char *))
2104 dlsym(handle, "_glapi_get_proc_address");
2105 if (!dri2_drv->get_proc_address || !libname) {
2106 /* no need to keep a reference */
2107 dlclose(handle);
2108 handle = NULL;
2109 }
2110 }
2111
2112 /* if glapi is not available, loading DRI drivers will fail */
2113 if (!dri2_drv->get_proc_address) {
2114 _eglLog(_EGL_WARNING, "DRI2: failed to find _glapi_get_proc_address");
2115 return EGL_FALSE;
2116 }
2117
2118 dri2_drv->glFlush = (void (*)(void))
2119 dri2_drv->get_proc_address("glFlush");
2120
2121 dri2_drv->handle = handle;
2122
2123 return EGL_TRUE;
2124 }
2125
2126 /**
2127 * This is the main entrypoint into the driver, called by libEGL.
2128 * Create a new _EGLDriver object and init its dispatch table.
2129 */
2130 _EGLDriver *
2131 _eglBuiltInDriverDRI2(const char *args)
2132 {
2133 struct dri2_egl_driver *dri2_drv;
2134
2135 (void) args;
2136
2137 dri2_drv = calloc(1, sizeof *dri2_drv);
2138 if (!dri2_drv)
2139 return NULL;
2140
2141 if (!dri2_load(&dri2_drv->base)) {
2142 free(dri2_drv);
2143 return NULL;
2144 }
2145
2146 _eglInitDriverFallbacks(&dri2_drv->base);
2147 dri2_drv->base.API.Initialize = dri2_initialize;
2148 dri2_drv->base.API.Terminate = dri2_terminate;
2149 dri2_drv->base.API.CreateContext = dri2_create_context;
2150 dri2_drv->base.API.DestroyContext = dri2_destroy_context;
2151 dri2_drv->base.API.MakeCurrent = dri2_make_current;
2152 dri2_drv->base.API.CreateWindowSurface = dri2_create_window_surface;
2153 dri2_drv->base.API.CreatePixmapSurface = dri2_create_pixmap_surface;
2154 dri2_drv->base.API.CreatePbufferSurface = dri2_create_pbuffer_surface;
2155 dri2_drv->base.API.DestroySurface = dri2_destroy_surface;
2156 dri2_drv->base.API.GetProcAddress = dri2_get_proc_address;
2157 dri2_drv->base.API.WaitClient = dri2_wait_client;
2158 dri2_drv->base.API.WaitNative = dri2_wait_native;
2159 dri2_drv->base.API.BindTexImage = dri2_bind_tex_image;
2160 dri2_drv->base.API.ReleaseTexImage = dri2_release_tex_image;
2161 dri2_drv->base.API.SwapInterval = dri2_swap_interval;
2162 dri2_drv->base.API.SwapBuffers = dri2_swap_buffers;
2163 dri2_drv->base.API.SwapBuffersWithDamageEXT = dri2_swap_buffers_with_damage;
2164 dri2_drv->base.API.SwapBuffersRegionNOK = dri2_swap_buffers_region;
2165 dri2_drv->base.API.PostSubBufferNV = dri2_post_sub_buffer;
2166 dri2_drv->base.API.CopyBuffers = dri2_copy_buffers,
2167 dri2_drv->base.API.QueryBufferAge = dri2_query_buffer_age;
2168 dri2_drv->base.API.CreateImageKHR = dri2_create_image;
2169 dri2_drv->base.API.DestroyImageKHR = dri2_destroy_image_khr;
2170 dri2_drv->base.API.CreateWaylandBufferFromImageWL = dri2_create_wayland_buffer_from_image;
2171 #ifdef HAVE_DRM_PLATFORM
2172 dri2_drv->base.API.CreateDRMImageMESA = dri2_create_drm_image_mesa;
2173 dri2_drv->base.API.ExportDRMImageMESA = dri2_export_drm_image_mesa;
2174 #endif
2175 #ifdef HAVE_WAYLAND_PLATFORM
2176 dri2_drv->base.API.BindWaylandDisplayWL = dri2_bind_wayland_display_wl;
2177 dri2_drv->base.API.UnbindWaylandDisplayWL = dri2_unbind_wayland_display_wl;
2178 dri2_drv->base.API.QueryWaylandBufferWL = dri2_query_wayland_buffer_wl;
2179 #endif
2180
2181 dri2_drv->base.Name = "DRI2";
2182 dri2_drv->base.Unload = dri2_unload;
2183
2184 return &dri2_drv->base;
2185 }