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