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egl/main: Stop using EGLNative types internally
[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, void *native_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, native_window,
1034 attrib_list);
1035 }
1036
1037 static _EGLSurface*
1038 dri2_create_pixmap_surface(_EGLDriver *drv, _EGLDisplay *dpy,
1039 _EGLConfig *conf, void *native_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, native_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 void *native_pixmap_target)
1106 {
1107 struct dri2_egl_display *dri2_dpy = dri2_egl_display(dpy);
1108 return dri2_dpy->vtbl->copy_buffers(drv, dpy, surf, native_pixmap_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(_EGLDriver *drv, _EGLDisplay *dpy, _EGLContext *ctx,
1225 EGLenum target, EGLClientBuffer buffer,
1226 const EGLint *attr_list)
1227 {
1228 struct dri2_egl_display *dri2_dpy = dri2_egl_display(dpy);
1229 return dri2_dpy->vtbl->create_image(drv, dpy, ctx, target, buffer,
1230 attr_list);
1231 }
1232
1233 static _EGLImage *
1234 dri2_create_image_from_dri(_EGLDisplay *disp, __DRIimage *dri_image)
1235 {
1236 struct dri2_egl_image *dri2_img;
1237
1238 if (dri_image == NULL) {
1239 _eglError(EGL_BAD_ALLOC, "dri2_create_image");
1240 return NULL;
1241 }
1242
1243 dri2_img = malloc(sizeof *dri2_img);
1244 if (!dri2_img) {
1245 _eglError(EGL_BAD_ALLOC, "dri2_create_image");
1246 return NULL;
1247 }
1248
1249 if (!_eglInitImage(&dri2_img->base, disp)) {
1250 free(dri2_img);
1251 return NULL;
1252 }
1253
1254 dri2_img->dri_image = dri_image;
1255
1256 return &dri2_img->base;
1257 }
1258
1259 static _EGLImage *
1260 dri2_create_image_khr_renderbuffer(_EGLDisplay *disp, _EGLContext *ctx,
1261 EGLClientBuffer buffer,
1262 const EGLint *attr_list)
1263 {
1264 struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
1265 struct dri2_egl_context *dri2_ctx = dri2_egl_context(ctx);
1266 GLuint renderbuffer = (GLuint) (uintptr_t) buffer;
1267 __DRIimage *dri_image;
1268
1269 if (renderbuffer == 0) {
1270 _eglError(EGL_BAD_PARAMETER, "dri2_create_image_khr");
1271 return EGL_NO_IMAGE_KHR;
1272 }
1273
1274 dri_image =
1275 dri2_dpy->image->createImageFromRenderbuffer(dri2_ctx->dri_context,
1276 renderbuffer, NULL);
1277
1278 return dri2_create_image_from_dri(disp, dri_image);
1279 }
1280
1281 #ifdef HAVE_DRM_PLATFORM
1282 static _EGLImage *
1283 dri2_create_image_mesa_drm_buffer(_EGLDisplay *disp, _EGLContext *ctx,
1284 EGLClientBuffer buffer, const EGLint *attr_list)
1285 {
1286 struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
1287 EGLint format, name, pitch, err;
1288 _EGLImageAttribs attrs;
1289 __DRIimage *dri_image;
1290
1291 name = (EGLint) (uintptr_t) buffer;
1292
1293 err = _eglParseImageAttribList(&attrs, disp, attr_list);
1294 if (err != EGL_SUCCESS)
1295 return NULL;
1296
1297 if (attrs.Width <= 0 || attrs.Height <= 0 ||
1298 attrs.DRMBufferStrideMESA <= 0) {
1299 _eglError(EGL_BAD_PARAMETER,
1300 "bad width, height or stride");
1301 return NULL;
1302 }
1303
1304 switch (attrs.DRMBufferFormatMESA) {
1305 case EGL_DRM_BUFFER_FORMAT_ARGB32_MESA:
1306 format = __DRI_IMAGE_FORMAT_ARGB8888;
1307 pitch = attrs.DRMBufferStrideMESA;
1308 break;
1309 default:
1310 _eglError(EGL_BAD_PARAMETER,
1311 "dri2_create_image_khr: unsupported pixmap depth");
1312 return NULL;
1313 }
1314
1315 dri_image =
1316 dri2_dpy->image->createImageFromName(dri2_dpy->dri_screen,
1317 attrs.Width,
1318 attrs.Height,
1319 format,
1320 name,
1321 pitch,
1322 NULL);
1323
1324 return dri2_create_image_from_dri(disp, dri_image);
1325 }
1326 #endif
1327
1328 #ifdef HAVE_WAYLAND_PLATFORM
1329
1330 /* This structure describes how a wl_buffer maps to one or more
1331 * __DRIimages. A wl_drm_buffer stores the wl_drm format code and the
1332 * offsets and strides of the planes in the buffer. This table maps a
1333 * wl_drm format code to a description of the planes in the buffer
1334 * that lets us create a __DRIimage for each of the planes. */
1335
1336 static const struct wl_drm_components_descriptor {
1337 uint32_t dri_components;
1338 EGLint components;
1339 int nplanes;
1340 } wl_drm_components[] = {
1341 { __DRI_IMAGE_COMPONENTS_RGB, EGL_TEXTURE_RGB, 1 },
1342 { __DRI_IMAGE_COMPONENTS_RGBA, EGL_TEXTURE_RGBA, 1 },
1343 { __DRI_IMAGE_COMPONENTS_Y_U_V, EGL_TEXTURE_Y_U_V_WL, 3 },
1344 { __DRI_IMAGE_COMPONENTS_Y_UV, EGL_TEXTURE_Y_UV_WL, 2 },
1345 { __DRI_IMAGE_COMPONENTS_Y_XUXV, EGL_TEXTURE_Y_XUXV_WL, 2 },
1346 };
1347
1348 static _EGLImage *
1349 dri2_create_image_wayland_wl_buffer(_EGLDisplay *disp, _EGLContext *ctx,
1350 EGLClientBuffer _buffer,
1351 const EGLint *attr_list)
1352 {
1353 struct wl_drm_buffer *buffer;
1354 struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
1355 const struct wl_drm_components_descriptor *f;
1356 __DRIimage *dri_image;
1357 _EGLImageAttribs attrs;
1358 EGLint err;
1359 int32_t plane;
1360
1361 buffer = wayland_drm_buffer_get(dri2_dpy->wl_server_drm,
1362 (struct wl_resource *) _buffer);
1363 if (!buffer)
1364 return NULL;
1365
1366 err = _eglParseImageAttribList(&attrs, disp, attr_list);
1367 plane = attrs.PlaneWL;
1368 if (err != EGL_SUCCESS) {
1369 _eglError(EGL_BAD_PARAMETER, "dri2_create_image_wayland_wl_buffer");
1370 return NULL;
1371 }
1372
1373 f = buffer->driver_format;
1374 if (plane < 0 || plane >= f->nplanes) {
1375 _eglError(EGL_BAD_PARAMETER,
1376 "dri2_create_image_wayland_wl_buffer (plane out of bounds)");
1377 return NULL;
1378 }
1379
1380 dri_image = dri2_dpy->image->fromPlanar(buffer->driver_buffer, plane, NULL);
1381
1382 if (dri_image == NULL) {
1383 _eglError(EGL_BAD_PARAMETER, "dri2_create_image_wayland_wl_buffer");
1384 return NULL;
1385 }
1386
1387 return dri2_create_image_from_dri(disp, dri_image);
1388 }
1389 #endif
1390
1391 /**
1392 * Set the error code after a call to
1393 * dri2_egl_image::dri_image::createImageFromTexture.
1394 */
1395 static void
1396 dri2_create_image_khr_texture_error(int dri_error)
1397 {
1398 EGLint egl_error;
1399
1400 switch (dri_error) {
1401 case __DRI_IMAGE_ERROR_SUCCESS:
1402 return;
1403
1404 case __DRI_IMAGE_ERROR_BAD_ALLOC:
1405 egl_error = EGL_BAD_ALLOC;
1406 break;
1407
1408 case __DRI_IMAGE_ERROR_BAD_MATCH:
1409 egl_error = EGL_BAD_MATCH;
1410 break;
1411
1412 case __DRI_IMAGE_ERROR_BAD_PARAMETER:
1413 egl_error = EGL_BAD_PARAMETER;
1414 break;
1415
1416 default:
1417 assert(0);
1418 egl_error = EGL_BAD_MATCH;
1419 break;
1420 }
1421
1422 _eglError(egl_error, "dri2_create_image_khr_texture");
1423 }
1424
1425 static _EGLImage *
1426 dri2_create_image_khr_texture(_EGLDisplay *disp, _EGLContext *ctx,
1427 EGLenum target,
1428 EGLClientBuffer buffer,
1429 const EGLint *attr_list)
1430 {
1431 struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
1432 struct dri2_egl_context *dri2_ctx = dri2_egl_context(ctx);
1433 struct dri2_egl_image *dri2_img;
1434 GLuint texture = (GLuint) (uintptr_t) buffer;
1435 _EGLImageAttribs attrs;
1436 GLuint depth;
1437 GLenum gl_target;
1438 unsigned error;
1439
1440 if (texture == 0) {
1441 _eglError(EGL_BAD_PARAMETER, "dri2_create_image_khr");
1442 return EGL_NO_IMAGE_KHR;
1443 }
1444
1445 if (_eglParseImageAttribList(&attrs, disp, attr_list) != EGL_SUCCESS)
1446 return EGL_NO_IMAGE_KHR;
1447
1448 switch (target) {
1449 case EGL_GL_TEXTURE_2D_KHR:
1450 depth = 0;
1451 gl_target = GL_TEXTURE_2D;
1452 break;
1453 case EGL_GL_TEXTURE_3D_KHR:
1454 depth = attrs.GLTextureZOffset;
1455 gl_target = GL_TEXTURE_3D;
1456 break;
1457 case EGL_GL_TEXTURE_CUBE_MAP_POSITIVE_X_KHR:
1458 case EGL_GL_TEXTURE_CUBE_MAP_NEGATIVE_X_KHR:
1459 case EGL_GL_TEXTURE_CUBE_MAP_POSITIVE_Y_KHR:
1460 case EGL_GL_TEXTURE_CUBE_MAP_NEGATIVE_Y_KHR:
1461 case EGL_GL_TEXTURE_CUBE_MAP_POSITIVE_Z_KHR:
1462 case EGL_GL_TEXTURE_CUBE_MAP_NEGATIVE_Z_KHR:
1463 depth = target - EGL_GL_TEXTURE_CUBE_MAP_POSITIVE_X_KHR;
1464 gl_target = GL_TEXTURE_CUBE_MAP;
1465 break;
1466 default:
1467 _eglError(EGL_BAD_PARAMETER, "dri2_create_image_khr");
1468 return EGL_NO_IMAGE_KHR;
1469 }
1470
1471 dri2_img = malloc(sizeof *dri2_img);
1472 if (!dri2_img) {
1473 _eglError(EGL_BAD_ALLOC, "dri2_create_image_khr");
1474 return EGL_NO_IMAGE_KHR;
1475 }
1476
1477 if (!_eglInitImage(&dri2_img->base, disp)) {
1478 _eglError(EGL_BAD_ALLOC, "dri2_create_image_khr");
1479 free(dri2_img);
1480 return EGL_NO_IMAGE_KHR;
1481 }
1482
1483 dri2_img->dri_image =
1484 dri2_dpy->image->createImageFromTexture(dri2_ctx->dri_context,
1485 gl_target,
1486 texture,
1487 depth,
1488 attrs.GLTextureLevel,
1489 &error,
1490 dri2_img);
1491 dri2_create_image_khr_texture_error(error);
1492
1493 if (!dri2_img->dri_image) {
1494 free(dri2_img);
1495 return EGL_NO_IMAGE_KHR;
1496 }
1497 return &dri2_img->base;
1498 }
1499
1500 static struct wl_buffer*
1501 dri2_create_wayland_buffer_from_image(_EGLDriver *drv, _EGLDisplay *dpy,
1502 _EGLImage *img)
1503 {
1504 struct dri2_egl_display *dri2_dpy = dri2_egl_display(dpy);
1505 return dri2_dpy->vtbl->create_wayland_buffer_from_image(drv, dpy, img);
1506 }
1507
1508 #ifdef HAVE_DRM_PLATFORM
1509 static EGLBoolean
1510 dri2_check_dma_buf_attribs(const _EGLImageAttribs *attrs)
1511 {
1512 unsigned i;
1513
1514 /**
1515 * The spec says:
1516 *
1517 * "Required attributes and their values are as follows:
1518 *
1519 * * EGL_WIDTH & EGL_HEIGHT: The logical dimensions of the buffer in pixels
1520 *
1521 * * EGL_LINUX_DRM_FOURCC_EXT: The pixel format of the buffer, as specified
1522 * by drm_fourcc.h and used as the pixel_format parameter of the
1523 * drm_mode_fb_cmd2 ioctl."
1524 *
1525 * and
1526 *
1527 * "* If <target> is EGL_LINUX_DMA_BUF_EXT, and the list of attributes is
1528 * incomplete, EGL_BAD_PARAMETER is generated."
1529 */
1530 if (attrs->Width <= 0 || attrs->Height <= 0 ||
1531 !attrs->DMABufFourCC.IsPresent) {
1532 _eglError(EGL_BAD_PARAMETER, "attribute(s) missing");
1533 return EGL_FALSE;
1534 }
1535
1536 /**
1537 * Also:
1538 *
1539 * "If <target> is EGL_LINUX_DMA_BUF_EXT and one or more of the values
1540 * specified for a plane's pitch or offset isn't supported by EGL,
1541 * EGL_BAD_ACCESS is generated."
1542 */
1543 for (i = 0; i < ARRAY_SIZE(attrs->DMABufPlanePitches); ++i) {
1544 if (attrs->DMABufPlanePitches[i].IsPresent &&
1545 attrs->DMABufPlanePitches[i].Value <= 0) {
1546 _eglError(EGL_BAD_ACCESS, "invalid pitch");
1547 return EGL_FALSE;
1548 }
1549 }
1550
1551 return EGL_TRUE;
1552 }
1553
1554 /* Returns the total number of file descriptors. Zero indicates an error. */
1555 static unsigned
1556 dri2_check_dma_buf_format(const _EGLImageAttribs *attrs)
1557 {
1558 unsigned i, plane_n;
1559
1560 switch (attrs->DMABufFourCC.Value) {
1561 case DRM_FORMAT_RGB332:
1562 case DRM_FORMAT_BGR233:
1563 case DRM_FORMAT_XRGB4444:
1564 case DRM_FORMAT_XBGR4444:
1565 case DRM_FORMAT_RGBX4444:
1566 case DRM_FORMAT_BGRX4444:
1567 case DRM_FORMAT_ARGB4444:
1568 case DRM_FORMAT_ABGR4444:
1569 case DRM_FORMAT_RGBA4444:
1570 case DRM_FORMAT_BGRA4444:
1571 case DRM_FORMAT_XRGB1555:
1572 case DRM_FORMAT_XBGR1555:
1573 case DRM_FORMAT_RGBX5551:
1574 case DRM_FORMAT_BGRX5551:
1575 case DRM_FORMAT_ARGB1555:
1576 case DRM_FORMAT_ABGR1555:
1577 case DRM_FORMAT_RGBA5551:
1578 case DRM_FORMAT_BGRA5551:
1579 case DRM_FORMAT_RGB565:
1580 case DRM_FORMAT_BGR565:
1581 case DRM_FORMAT_RGB888:
1582 case DRM_FORMAT_BGR888:
1583 case DRM_FORMAT_XRGB8888:
1584 case DRM_FORMAT_XBGR8888:
1585 case DRM_FORMAT_RGBX8888:
1586 case DRM_FORMAT_BGRX8888:
1587 case DRM_FORMAT_ARGB8888:
1588 case DRM_FORMAT_ABGR8888:
1589 case DRM_FORMAT_RGBA8888:
1590 case DRM_FORMAT_BGRA8888:
1591 case DRM_FORMAT_XRGB2101010:
1592 case DRM_FORMAT_XBGR2101010:
1593 case DRM_FORMAT_RGBX1010102:
1594 case DRM_FORMAT_BGRX1010102:
1595 case DRM_FORMAT_ARGB2101010:
1596 case DRM_FORMAT_ABGR2101010:
1597 case DRM_FORMAT_RGBA1010102:
1598 case DRM_FORMAT_BGRA1010102:
1599 case DRM_FORMAT_YUYV:
1600 case DRM_FORMAT_YVYU:
1601 case DRM_FORMAT_UYVY:
1602 case DRM_FORMAT_VYUY:
1603 plane_n = 1;
1604 break;
1605 case DRM_FORMAT_NV12:
1606 case DRM_FORMAT_NV21:
1607 case DRM_FORMAT_NV16:
1608 case DRM_FORMAT_NV61:
1609 plane_n = 2;
1610 break;
1611 case DRM_FORMAT_YUV410:
1612 case DRM_FORMAT_YVU410:
1613 case DRM_FORMAT_YUV411:
1614 case DRM_FORMAT_YVU411:
1615 case DRM_FORMAT_YUV420:
1616 case DRM_FORMAT_YVU420:
1617 case DRM_FORMAT_YUV422:
1618 case DRM_FORMAT_YVU422:
1619 case DRM_FORMAT_YUV444:
1620 case DRM_FORMAT_YVU444:
1621 plane_n = 3;
1622 break;
1623 default:
1624 _eglError(EGL_BAD_ATTRIBUTE, "invalid format");
1625 return 0;
1626 }
1627
1628 /**
1629 * The spec says:
1630 *
1631 * "* If <target> is EGL_LINUX_DMA_BUF_EXT, and the list of attributes is
1632 * incomplete, EGL_BAD_PARAMETER is generated."
1633 */
1634 for (i = 0; i < plane_n; ++i) {
1635 if (!attrs->DMABufPlaneFds[i].IsPresent ||
1636 !attrs->DMABufPlaneOffsets[i].IsPresent ||
1637 !attrs->DMABufPlanePitches[i].IsPresent) {
1638 _eglError(EGL_BAD_PARAMETER, "plane attribute(s) missing");
1639 return 0;
1640 }
1641 }
1642
1643 /**
1644 * The spec also says:
1645 *
1646 * "If <target> is EGL_LINUX_DMA_BUF_EXT, and the EGL_LINUX_DRM_FOURCC_EXT
1647 * attribute indicates a single-plane format, EGL_BAD_ATTRIBUTE is
1648 * generated if any of the EGL_DMA_BUF_PLANE1_* or EGL_DMA_BUF_PLANE2_*
1649 * attributes are specified."
1650 */
1651 for (i = plane_n; i < 3; ++i) {
1652 if (attrs->DMABufPlaneFds[i].IsPresent ||
1653 attrs->DMABufPlaneOffsets[i].IsPresent ||
1654 attrs->DMABufPlanePitches[i].IsPresent) {
1655 _eglError(EGL_BAD_ATTRIBUTE, "too many plane attributes");
1656 return 0;
1657 }
1658 }
1659
1660 return plane_n;
1661 }
1662
1663 /**
1664 * The spec says:
1665 *
1666 * "If eglCreateImageKHR is successful for a EGL_LINUX_DMA_BUF_EXT target,
1667 * the EGL takes ownership of the file descriptor and is responsible for
1668 * closing it, which it may do at any time while the EGLDisplay is
1669 * initialized."
1670 */
1671 static void
1672 dri2_take_dma_buf_ownership(const int *fds, unsigned num_fds)
1673 {
1674 int already_closed[num_fds];
1675 unsigned num_closed = 0;
1676 unsigned i, j;
1677
1678 for (i = 0; i < num_fds; ++i) {
1679 /**
1680 * The same file descriptor can be referenced multiple times in case more
1681 * than one plane is found in the same buffer, just with a different
1682 * offset.
1683 */
1684 for (j = 0; j < num_closed; ++j) {
1685 if (already_closed[j] == fds[i])
1686 break;
1687 }
1688
1689 if (j == num_closed) {
1690 close(fds[i]);
1691 already_closed[num_closed++] = fds[i];
1692 }
1693 }
1694 }
1695
1696 static _EGLImage *
1697 dri2_create_image_dma_buf(_EGLDisplay *disp, _EGLContext *ctx,
1698 EGLClientBuffer buffer, const EGLint *attr_list)
1699 {
1700 struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
1701 _EGLImage *res;
1702 EGLint err;
1703 _EGLImageAttribs attrs;
1704 __DRIimage *dri_image;
1705 unsigned num_fds;
1706 unsigned i;
1707 int fds[3];
1708 int pitches[3];
1709 int offsets[3];
1710 unsigned error;
1711
1712 /**
1713 * The spec says:
1714 *
1715 * ""* If <target> is EGL_LINUX_DMA_BUF_EXT and <buffer> is not NULL, the
1716 * error EGL_BAD_PARAMETER is generated."
1717 */
1718 if (buffer != NULL) {
1719 _eglError(EGL_BAD_PARAMETER, "buffer not NULL");
1720 return NULL;
1721 }
1722
1723 err = _eglParseImageAttribList(&attrs, disp, attr_list);
1724 if (err != EGL_SUCCESS) {
1725 _eglError(err, "bad attribute");
1726 return NULL;
1727 }
1728
1729 if (!dri2_check_dma_buf_attribs(&attrs))
1730 return NULL;
1731
1732 num_fds = dri2_check_dma_buf_format(&attrs);
1733 if (!num_fds)
1734 return NULL;
1735
1736 for (i = 0; i < num_fds; ++i) {
1737 fds[i] = attrs.DMABufPlaneFds[i].Value;
1738 pitches[i] = attrs.DMABufPlanePitches[i].Value;
1739 offsets[i] = attrs.DMABufPlaneOffsets[i].Value;
1740 }
1741
1742 dri_image =
1743 dri2_dpy->image->createImageFromDmaBufs(dri2_dpy->dri_screen,
1744 attrs.Width, attrs.Height, attrs.DMABufFourCC.Value,
1745 fds, num_fds, pitches, offsets,
1746 attrs.DMABufYuvColorSpaceHint.Value,
1747 attrs.DMABufSampleRangeHint.Value,
1748 attrs.DMABufChromaHorizontalSiting.Value,
1749 attrs.DMABufChromaVerticalSiting.Value,
1750 &error,
1751 NULL);
1752 dri2_create_image_khr_texture_error(error);
1753
1754 if (!dri_image)
1755 return EGL_NO_IMAGE_KHR;
1756
1757 res = dri2_create_image_from_dri(disp, dri_image);
1758 if (res)
1759 dri2_take_dma_buf_ownership(fds, num_fds);
1760
1761 return res;
1762 }
1763 #endif
1764
1765 _EGLImage *
1766 dri2_create_image_khr(_EGLDriver *drv, _EGLDisplay *disp,
1767 _EGLContext *ctx, EGLenum target,
1768 EGLClientBuffer buffer, const EGLint *attr_list)
1769 {
1770 (void) drv;
1771
1772 switch (target) {
1773 case EGL_GL_TEXTURE_2D_KHR:
1774 case EGL_GL_TEXTURE_CUBE_MAP_POSITIVE_X_KHR:
1775 case EGL_GL_TEXTURE_CUBE_MAP_NEGATIVE_X_KHR:
1776 case EGL_GL_TEXTURE_CUBE_MAP_POSITIVE_Y_KHR:
1777 case EGL_GL_TEXTURE_CUBE_MAP_NEGATIVE_Y_KHR:
1778 case EGL_GL_TEXTURE_CUBE_MAP_POSITIVE_Z_KHR:
1779 case EGL_GL_TEXTURE_CUBE_MAP_NEGATIVE_Z_KHR:
1780 return dri2_create_image_khr_texture(disp, ctx, target, buffer, attr_list);
1781 case EGL_GL_RENDERBUFFER_KHR:
1782 return dri2_create_image_khr_renderbuffer(disp, ctx, buffer, attr_list);
1783 #ifdef HAVE_DRM_PLATFORM
1784 case EGL_DRM_BUFFER_MESA:
1785 return dri2_create_image_mesa_drm_buffer(disp, ctx, buffer, attr_list);
1786 #endif
1787 #ifdef HAVE_WAYLAND_PLATFORM
1788 case EGL_WAYLAND_BUFFER_WL:
1789 return dri2_create_image_wayland_wl_buffer(disp, ctx, buffer, attr_list);
1790 #endif
1791 #ifdef HAVE_DRM_PLATFORM
1792 case EGL_LINUX_DMA_BUF_EXT:
1793 return dri2_create_image_dma_buf(disp, ctx, buffer, attr_list);
1794 #endif
1795 default:
1796 _eglError(EGL_BAD_PARAMETER, "dri2_create_image_khr");
1797 return EGL_NO_IMAGE_KHR;
1798 }
1799 }
1800
1801 static EGLBoolean
1802 dri2_destroy_image_khr(_EGLDriver *drv, _EGLDisplay *disp, _EGLImage *image)
1803 {
1804 struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
1805 struct dri2_egl_image *dri2_img = dri2_egl_image(image);
1806
1807 (void) drv;
1808
1809 dri2_dpy->image->destroyImage(dri2_img->dri_image);
1810 free(dri2_img);
1811
1812 return EGL_TRUE;
1813 }
1814
1815 #ifdef HAVE_DRM_PLATFORM
1816 static _EGLImage *
1817 dri2_create_drm_image_mesa(_EGLDriver *drv, _EGLDisplay *disp,
1818 const EGLint *attr_list)
1819 {
1820 struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
1821 struct dri2_egl_image *dri2_img;
1822 _EGLImageAttribs attrs;
1823 unsigned int dri_use, valid_mask;
1824 int format;
1825 EGLint err = EGL_SUCCESS;
1826
1827 (void) drv;
1828
1829 dri2_img = malloc(sizeof *dri2_img);
1830 if (!dri2_img) {
1831 _eglError(EGL_BAD_ALLOC, "dri2_create_image_khr");
1832 return EGL_NO_IMAGE_KHR;
1833 }
1834
1835 if (!attr_list) {
1836 err = EGL_BAD_PARAMETER;
1837 goto cleanup_img;
1838 }
1839
1840 if (!_eglInitImage(&dri2_img->base, disp)) {
1841 err = EGL_BAD_PARAMETER;
1842 goto cleanup_img;
1843 }
1844
1845 err = _eglParseImageAttribList(&attrs, disp, attr_list);
1846 if (err != EGL_SUCCESS)
1847 goto cleanup_img;
1848
1849 if (attrs.Width <= 0 || attrs.Height <= 0) {
1850 _eglLog(_EGL_WARNING, "bad width or height (%dx%d)",
1851 attrs.Width, attrs.Height);
1852 goto cleanup_img;
1853 }
1854
1855 switch (attrs.DRMBufferFormatMESA) {
1856 case EGL_DRM_BUFFER_FORMAT_ARGB32_MESA:
1857 format = __DRI_IMAGE_FORMAT_ARGB8888;
1858 break;
1859 default:
1860 _eglLog(_EGL_WARNING, "bad image format value 0x%04x",
1861 attrs.DRMBufferFormatMESA);
1862 goto cleanup_img;
1863 }
1864
1865 valid_mask =
1866 EGL_DRM_BUFFER_USE_SCANOUT_MESA |
1867 EGL_DRM_BUFFER_USE_SHARE_MESA |
1868 EGL_DRM_BUFFER_USE_CURSOR_MESA;
1869 if (attrs.DRMBufferUseMESA & ~valid_mask) {
1870 _eglLog(_EGL_WARNING, "bad image use bit 0x%04x",
1871 attrs.DRMBufferUseMESA & ~valid_mask);
1872 goto cleanup_img;
1873 }
1874
1875 dri_use = 0;
1876 if (attrs.DRMBufferUseMESA & EGL_DRM_BUFFER_USE_SHARE_MESA)
1877 dri_use |= __DRI_IMAGE_USE_SHARE;
1878 if (attrs.DRMBufferUseMESA & EGL_DRM_BUFFER_USE_SCANOUT_MESA)
1879 dri_use |= __DRI_IMAGE_USE_SCANOUT;
1880 if (attrs.DRMBufferUseMESA & EGL_DRM_BUFFER_USE_CURSOR_MESA)
1881 dri_use |= __DRI_IMAGE_USE_CURSOR;
1882
1883 dri2_img->dri_image =
1884 dri2_dpy->image->createImage(dri2_dpy->dri_screen,
1885 attrs.Width, attrs.Height,
1886 format, dri_use, dri2_img);
1887 if (dri2_img->dri_image == NULL) {
1888 err = EGL_BAD_ALLOC;
1889 goto cleanup_img;
1890 }
1891
1892 return &dri2_img->base;
1893
1894 cleanup_img:
1895 free(dri2_img);
1896 _eglError(err, "dri2_create_drm_image_mesa");
1897
1898 return EGL_NO_IMAGE_KHR;
1899 }
1900
1901 static EGLBoolean
1902 dri2_export_drm_image_mesa(_EGLDriver *drv, _EGLDisplay *disp, _EGLImage *img,
1903 EGLint *name, EGLint *handle, EGLint *stride)
1904 {
1905 struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
1906 struct dri2_egl_image *dri2_img = dri2_egl_image(img);
1907
1908 (void) drv;
1909
1910 if (name && !dri2_dpy->image->queryImage(dri2_img->dri_image,
1911 __DRI_IMAGE_ATTRIB_NAME, name)) {
1912 _eglError(EGL_BAD_ALLOC, "dri2_export_drm_image_mesa");
1913 return EGL_FALSE;
1914 }
1915
1916 if (handle)
1917 dri2_dpy->image->queryImage(dri2_img->dri_image,
1918 __DRI_IMAGE_ATTRIB_HANDLE, handle);
1919
1920 if (stride)
1921 dri2_dpy->image->queryImage(dri2_img->dri_image,
1922 __DRI_IMAGE_ATTRIB_STRIDE, stride);
1923
1924 return EGL_TRUE;
1925 }
1926 #endif
1927
1928 #ifdef HAVE_WAYLAND_PLATFORM
1929
1930 static void
1931 dri2_wl_reference_buffer(void *user_data, uint32_t name, int fd,
1932 struct wl_drm_buffer *buffer)
1933 {
1934 _EGLDisplay *disp = user_data;
1935 struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
1936 __DRIimage *img;
1937 int i, dri_components = 0;
1938
1939 if (fd == -1)
1940 img = dri2_dpy->image->createImageFromNames(dri2_dpy->dri_screen,
1941 buffer->width,
1942 buffer->height,
1943 buffer->format,
1944 (int*)&name, 1,
1945 buffer->stride,
1946 buffer->offset,
1947 NULL);
1948 else
1949 img = dri2_dpy->image->createImageFromFds(dri2_dpy->dri_screen,
1950 buffer->width,
1951 buffer->height,
1952 buffer->format,
1953 &fd, 1,
1954 buffer->stride,
1955 buffer->offset,
1956 NULL);
1957
1958 if (img == NULL)
1959 return;
1960
1961 dri2_dpy->image->queryImage(img, __DRI_IMAGE_ATTRIB_COMPONENTS, &dri_components);
1962
1963 buffer->driver_format = NULL;
1964 for (i = 0; i < ARRAY_SIZE(wl_drm_components); i++)
1965 if (wl_drm_components[i].dri_components == dri_components)
1966 buffer->driver_format = &wl_drm_components[i];
1967
1968 if (buffer->driver_format == NULL)
1969 dri2_dpy->image->destroyImage(img);
1970 else
1971 buffer->driver_buffer = img;
1972 }
1973
1974 static void
1975 dri2_wl_release_buffer(void *user_data, struct wl_drm_buffer *buffer)
1976 {
1977 _EGLDisplay *disp = user_data;
1978 struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
1979
1980 dri2_dpy->image->destroyImage(buffer->driver_buffer);
1981 }
1982
1983 static struct wayland_drm_callbacks wl_drm_callbacks = {
1984 .authenticate = NULL,
1985 .reference_buffer = dri2_wl_reference_buffer,
1986 .release_buffer = dri2_wl_release_buffer
1987 };
1988
1989 static EGLBoolean
1990 dri2_bind_wayland_display_wl(_EGLDriver *drv, _EGLDisplay *disp,
1991 struct wl_display *wl_dpy)
1992 {
1993 struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
1994 int ret, flags = 0;
1995 uint64_t cap;
1996
1997 (void) drv;
1998
1999 if (dri2_dpy->wl_server_drm)
2000 return EGL_FALSE;
2001
2002 wl_drm_callbacks.authenticate =
2003 (int(*)(void *, uint32_t)) dri2_dpy->vtbl->authenticate;
2004
2005 ret = drmGetCap(dri2_dpy->fd, DRM_CAP_PRIME, &cap);
2006 if (ret == 0 && cap == (DRM_PRIME_CAP_IMPORT | DRM_PRIME_CAP_EXPORT) &&
2007 dri2_dpy->image->base.version >= 7 &&
2008 dri2_dpy->image->createImageFromFds != NULL)
2009 flags |= WAYLAND_DRM_PRIME;
2010
2011 dri2_dpy->wl_server_drm =
2012 wayland_drm_init(wl_dpy, dri2_dpy->device_name,
2013 &wl_drm_callbacks, disp, flags);
2014
2015 if (!dri2_dpy->wl_server_drm)
2016 return EGL_FALSE;
2017
2018 /* We have to share the wl_drm instance with gbm, so gbm can convert
2019 * wl_buffers to gbm bos. */
2020 if (dri2_dpy->gbm_dri)
2021 dri2_dpy->gbm_dri->wl_drm = dri2_dpy->wl_server_drm;
2022
2023 return EGL_TRUE;
2024 }
2025
2026 static EGLBoolean
2027 dri2_unbind_wayland_display_wl(_EGLDriver *drv, _EGLDisplay *disp,
2028 struct wl_display *wl_dpy)
2029 {
2030 struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
2031
2032 (void) drv;
2033
2034 if (!dri2_dpy->wl_server_drm)
2035 return EGL_FALSE;
2036
2037 wayland_drm_uninit(dri2_dpy->wl_server_drm);
2038 dri2_dpy->wl_server_drm = NULL;
2039
2040 return EGL_TRUE;
2041 }
2042
2043 static EGLBoolean
2044 dri2_query_wayland_buffer_wl(_EGLDriver *drv, _EGLDisplay *disp,
2045 struct wl_resource *buffer_resource,
2046 EGLint attribute, EGLint *value)
2047 {
2048 struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
2049 struct wl_drm_buffer *buffer;
2050 const struct wl_drm_components_descriptor *format;
2051
2052 buffer = wayland_drm_buffer_get(dri2_dpy->wl_server_drm, buffer_resource);
2053 if (!buffer)
2054 return EGL_FALSE;
2055
2056 format = buffer->driver_format;
2057 switch (attribute) {
2058 case EGL_TEXTURE_FORMAT:
2059 *value = format->components;
2060 return EGL_TRUE;
2061 case EGL_WIDTH:
2062 *value = buffer->width;
2063 return EGL_TRUE;
2064 case EGL_HEIGHT:
2065 *value = buffer->height;
2066 return EGL_TRUE;
2067 }
2068
2069 return EGL_FALSE;
2070 }
2071 #endif
2072
2073 static void
2074 dri2_unload(_EGLDriver *drv)
2075 {
2076 struct dri2_egl_driver *dri2_drv = dri2_egl_driver(drv);
2077
2078 if (dri2_drv->handle)
2079 dlclose(dri2_drv->handle);
2080 free(dri2_drv);
2081 }
2082
2083 static EGLBoolean
2084 dri2_load(_EGLDriver *drv)
2085 {
2086 struct dri2_egl_driver *dri2_drv = dri2_egl_driver(drv);
2087 #ifdef HAVE_SHARED_GLAPI
2088 #ifdef HAVE_ANDROID_PLATFORM
2089 const char *libname = "libglapi.so";
2090 #else
2091 const char *libname = "libglapi.so.0";
2092 #endif
2093 #else
2094 /*
2095 * Both libGL.so and libglapi.so are glapi providers. There is no way to
2096 * tell which one to load.
2097 */
2098 const char *libname = NULL;
2099 #endif
2100 void *handle;
2101
2102 /* RTLD_GLOBAL to make sure glapi symbols are visible to DRI drivers */
2103 handle = dlopen(libname, RTLD_LAZY | RTLD_GLOBAL);
2104 if (handle) {
2105 dri2_drv->get_proc_address = (_EGLProc (*)(const char *))
2106 dlsym(handle, "_glapi_get_proc_address");
2107 if (!dri2_drv->get_proc_address || !libname) {
2108 /* no need to keep a reference */
2109 dlclose(handle);
2110 handle = NULL;
2111 }
2112 }
2113
2114 /* if glapi is not available, loading DRI drivers will fail */
2115 if (!dri2_drv->get_proc_address) {
2116 _eglLog(_EGL_WARNING, "DRI2: failed to find _glapi_get_proc_address");
2117 return EGL_FALSE;
2118 }
2119
2120 dri2_drv->glFlush = (void (*)(void))
2121 dri2_drv->get_proc_address("glFlush");
2122
2123 dri2_drv->handle = handle;
2124
2125 return EGL_TRUE;
2126 }
2127
2128 /**
2129 * This is the main entrypoint into the driver, called by libEGL.
2130 * Create a new _EGLDriver object and init its dispatch table.
2131 */
2132 _EGLDriver *
2133 _eglBuiltInDriverDRI2(const char *args)
2134 {
2135 struct dri2_egl_driver *dri2_drv;
2136
2137 (void) args;
2138
2139 dri2_drv = calloc(1, sizeof *dri2_drv);
2140 if (!dri2_drv)
2141 return NULL;
2142
2143 if (!dri2_load(&dri2_drv->base)) {
2144 free(dri2_drv);
2145 return NULL;
2146 }
2147
2148 _eglInitDriverFallbacks(&dri2_drv->base);
2149 dri2_drv->base.API.Initialize = dri2_initialize;
2150 dri2_drv->base.API.Terminate = dri2_terminate;
2151 dri2_drv->base.API.CreateContext = dri2_create_context;
2152 dri2_drv->base.API.DestroyContext = dri2_destroy_context;
2153 dri2_drv->base.API.MakeCurrent = dri2_make_current;
2154 dri2_drv->base.API.CreateWindowSurface = dri2_create_window_surface;
2155 dri2_drv->base.API.CreatePixmapSurface = dri2_create_pixmap_surface;
2156 dri2_drv->base.API.CreatePbufferSurface = dri2_create_pbuffer_surface;
2157 dri2_drv->base.API.DestroySurface = dri2_destroy_surface;
2158 dri2_drv->base.API.GetProcAddress = dri2_get_proc_address;
2159 dri2_drv->base.API.WaitClient = dri2_wait_client;
2160 dri2_drv->base.API.WaitNative = dri2_wait_native;
2161 dri2_drv->base.API.BindTexImage = dri2_bind_tex_image;
2162 dri2_drv->base.API.ReleaseTexImage = dri2_release_tex_image;
2163 dri2_drv->base.API.SwapInterval = dri2_swap_interval;
2164 dri2_drv->base.API.SwapBuffers = dri2_swap_buffers;
2165 dri2_drv->base.API.SwapBuffersWithDamageEXT = dri2_swap_buffers_with_damage;
2166 dri2_drv->base.API.SwapBuffersRegionNOK = dri2_swap_buffers_region;
2167 dri2_drv->base.API.PostSubBufferNV = dri2_post_sub_buffer;
2168 dri2_drv->base.API.CopyBuffers = dri2_copy_buffers,
2169 dri2_drv->base.API.QueryBufferAge = dri2_query_buffer_age;
2170 dri2_drv->base.API.CreateImageKHR = dri2_create_image;
2171 dri2_drv->base.API.DestroyImageKHR = dri2_destroy_image_khr;
2172 dri2_drv->base.API.CreateWaylandBufferFromImageWL = dri2_create_wayland_buffer_from_image;
2173 #ifdef HAVE_DRM_PLATFORM
2174 dri2_drv->base.API.CreateDRMImageMESA = dri2_create_drm_image_mesa;
2175 dri2_drv->base.API.ExportDRMImageMESA = dri2_export_drm_image_mesa;
2176 #endif
2177 #ifdef HAVE_WAYLAND_PLATFORM
2178 dri2_drv->base.API.BindWaylandDisplayWL = dri2_bind_wayland_display_wl;
2179 dri2_drv->base.API.UnbindWaylandDisplayWL = dri2_unbind_wayland_display_wl;
2180 dri2_drv->base.API.QueryWaylandBufferWL = dri2_query_wayland_buffer_wl;
2181 #endif
2182
2183 dri2_drv->base.Name = "DRI2";
2184 dri2_drv->base.Unload = dri2_unload;
2185
2186 return &dri2_drv->base;
2187 }