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0290c077ef60cd7c5296d93f06ad59520ace5156
[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 <stdint.h>
31 #include <stdbool.h>
32 #include <stdlib.h>
33 #include <string.h>
34 #include <stdio.h>
35 #include <limits.h>
36 #include <dlfcn.h>
37 #include <fcntl.h>
38 #include <errno.h>
39 #include <unistd.h>
40 #ifdef HAVE_LIBDRM
41 #include <xf86drm.h>
42 #include <drm_fourcc.h>
43 #endif
44 #include <GL/gl.h>
45 #include <GL/internal/dri_interface.h>
46 #include <sys/types.h>
47 #include <sys/stat.h>
48
49 #ifdef HAVE_WAYLAND_PLATFORM
50 #include "wayland-drm.h"
51 #include "wayland-drm-client-protocol.h"
52 #endif
53
54 #include "egl_dri2.h"
55 #include "../util/u_atomic.h"
56
57 /* The kernel header drm_fourcc.h defines the DRM formats below. We duplicate
58 * some of the definitions here so that building Mesa won't bleeding-edge
59 * kernel headers.
60 */
61 #ifndef DRM_FORMAT_R8
62 #define DRM_FORMAT_R8 fourcc_code('R', '8', ' ', ' ') /* [7:0] R */
63 #endif
64
65 #ifndef DRM_FORMAT_RG88
66 #define DRM_FORMAT_RG88 fourcc_code('R', 'G', '8', '8') /* [15:0] R:G 8:8 little endian */
67 #endif
68
69 #ifndef DRM_FORMAT_GR88
70 #define DRM_FORMAT_GR88 fourcc_code('G', 'R', '8', '8') /* [15:0] G:R 8:8 little endian */
71 #endif
72
73 const __DRIuseInvalidateExtension use_invalidate = {
74 .base = { __DRI_USE_INVALIDATE, 1 }
75 };
76
77 EGLint dri2_to_egl_attribute_map[] = {
78 0,
79 EGL_BUFFER_SIZE, /* __DRI_ATTRIB_BUFFER_SIZE */
80 EGL_LEVEL, /* __DRI_ATTRIB_LEVEL */
81 EGL_RED_SIZE, /* __DRI_ATTRIB_RED_SIZE */
82 EGL_GREEN_SIZE, /* __DRI_ATTRIB_GREEN_SIZE */
83 EGL_BLUE_SIZE, /* __DRI_ATTRIB_BLUE_SIZE */
84 EGL_LUMINANCE_SIZE, /* __DRI_ATTRIB_LUMINANCE_SIZE */
85 EGL_ALPHA_SIZE, /* __DRI_ATTRIB_ALPHA_SIZE */
86 0, /* __DRI_ATTRIB_ALPHA_MASK_SIZE */
87 EGL_DEPTH_SIZE, /* __DRI_ATTRIB_DEPTH_SIZE */
88 EGL_STENCIL_SIZE, /* __DRI_ATTRIB_STENCIL_SIZE */
89 0, /* __DRI_ATTRIB_ACCUM_RED_SIZE */
90 0, /* __DRI_ATTRIB_ACCUM_GREEN_SIZE */
91 0, /* __DRI_ATTRIB_ACCUM_BLUE_SIZE */
92 0, /* __DRI_ATTRIB_ACCUM_ALPHA_SIZE */
93 EGL_SAMPLE_BUFFERS, /* __DRI_ATTRIB_SAMPLE_BUFFERS */
94 EGL_SAMPLES, /* __DRI_ATTRIB_SAMPLES */
95 0, /* __DRI_ATTRIB_RENDER_TYPE, */
96 0, /* __DRI_ATTRIB_CONFIG_CAVEAT */
97 0, /* __DRI_ATTRIB_CONFORMANT */
98 0, /* __DRI_ATTRIB_DOUBLE_BUFFER */
99 0, /* __DRI_ATTRIB_STEREO */
100 0, /* __DRI_ATTRIB_AUX_BUFFERS */
101 0, /* __DRI_ATTRIB_TRANSPARENT_TYPE */
102 0, /* __DRI_ATTRIB_TRANSPARENT_INDEX_VALUE */
103 0, /* __DRI_ATTRIB_TRANSPARENT_RED_VALUE */
104 0, /* __DRI_ATTRIB_TRANSPARENT_GREEN_VALUE */
105 0, /* __DRI_ATTRIB_TRANSPARENT_BLUE_VALUE */
106 0, /* __DRI_ATTRIB_TRANSPARENT_ALPHA_VALUE */
107 0, /* __DRI_ATTRIB_FLOAT_MODE (deprecated) */
108 0, /* __DRI_ATTRIB_RED_MASK */
109 0, /* __DRI_ATTRIB_GREEN_MASK */
110 0, /* __DRI_ATTRIB_BLUE_MASK */
111 0, /* __DRI_ATTRIB_ALPHA_MASK */
112 EGL_MAX_PBUFFER_WIDTH, /* __DRI_ATTRIB_MAX_PBUFFER_WIDTH */
113 EGL_MAX_PBUFFER_HEIGHT, /* __DRI_ATTRIB_MAX_PBUFFER_HEIGHT */
114 EGL_MAX_PBUFFER_PIXELS, /* __DRI_ATTRIB_MAX_PBUFFER_PIXELS */
115 0, /* __DRI_ATTRIB_OPTIMAL_PBUFFER_WIDTH */
116 0, /* __DRI_ATTRIB_OPTIMAL_PBUFFER_HEIGHT */
117 0, /* __DRI_ATTRIB_VISUAL_SELECT_GROUP */
118 0, /* __DRI_ATTRIB_SWAP_METHOD */
119 EGL_MAX_SWAP_INTERVAL, /* __DRI_ATTRIB_MAX_SWAP_INTERVAL */
120 EGL_MIN_SWAP_INTERVAL, /* __DRI_ATTRIB_MIN_SWAP_INTERVAL */
121 0, /* __DRI_ATTRIB_BIND_TO_TEXTURE_RGB */
122 0, /* __DRI_ATTRIB_BIND_TO_TEXTURE_RGBA */
123 0, /* __DRI_ATTRIB_BIND_TO_MIPMAP_TEXTURE */
124 0, /* __DRI_ATTRIB_BIND_TO_TEXTURE_TARGETS */
125 EGL_Y_INVERTED_NOK, /* __DRI_ATTRIB_YINVERTED */
126 0, /* __DRI_ATTRIB_FRAMEBUFFER_SRGB_CAPABLE */
127 };
128
129 const __DRIconfig *
130 dri2_get_dri_config(struct dri2_egl_config *conf, EGLint surface_type,
131 EGLenum colorspace)
132 {
133 if (colorspace == EGL_GL_COLORSPACE_SRGB_KHR)
134 return surface_type == EGL_WINDOW_BIT ? conf->dri_srgb_double_config :
135 conf->dri_srgb_single_config;
136 else
137 return surface_type == EGL_WINDOW_BIT ? conf->dri_double_config :
138 conf->dri_single_config;
139 }
140
141 static EGLBoolean
142 dri2_match_config(const _EGLConfig *conf, const _EGLConfig *criteria)
143 {
144 if (_eglCompareConfigs(conf, criteria, NULL, EGL_FALSE) != 0)
145 return EGL_FALSE;
146
147 if (!_eglMatchConfig(conf, criteria))
148 return EGL_FALSE;
149
150 return EGL_TRUE;
151 }
152
153 struct dri2_egl_config *
154 dri2_add_config(_EGLDisplay *disp, const __DRIconfig *dri_config, int id,
155 EGLint surface_type, const EGLint *attr_list,
156 const unsigned int *rgba_masks)
157 {
158 struct dri2_egl_config *conf;
159 struct dri2_egl_display *dri2_dpy;
160 _EGLConfig base;
161 unsigned int attrib, value, double_buffer;
162 bool srgb = false;
163 EGLint key, bind_to_texture_rgb, bind_to_texture_rgba;
164 unsigned int dri_masks[4] = { 0, 0, 0, 0 };
165 _EGLConfig *matching_config;
166 EGLint num_configs = 0;
167 EGLint config_id;
168 int i;
169
170 dri2_dpy = disp->DriverData;
171 _eglInitConfig(&base, disp, id);
172
173 i = 0;
174 double_buffer = 0;
175 bind_to_texture_rgb = 0;
176 bind_to_texture_rgba = 0;
177
178 while (dri2_dpy->core->indexConfigAttrib(dri_config, i++, &attrib, &value)) {
179 switch (attrib) {
180 case __DRI_ATTRIB_RENDER_TYPE:
181 if (value & __DRI_ATTRIB_RGBA_BIT)
182 value = EGL_RGB_BUFFER;
183 else if (value & __DRI_ATTRIB_LUMINANCE_BIT)
184 value = EGL_LUMINANCE_BUFFER;
185 else
186 return NULL;
187 _eglSetConfigKey(&base, EGL_COLOR_BUFFER_TYPE, value);
188 break;
189
190 case __DRI_ATTRIB_CONFIG_CAVEAT:
191 if (value & __DRI_ATTRIB_NON_CONFORMANT_CONFIG)
192 value = EGL_NON_CONFORMANT_CONFIG;
193 else if (value & __DRI_ATTRIB_SLOW_BIT)
194 value = EGL_SLOW_CONFIG;
195 else
196 value = EGL_NONE;
197 _eglSetConfigKey(&base, EGL_CONFIG_CAVEAT, value);
198 break;
199
200 case __DRI_ATTRIB_BIND_TO_TEXTURE_RGB:
201 bind_to_texture_rgb = value;
202 break;
203
204 case __DRI_ATTRIB_BIND_TO_TEXTURE_RGBA:
205 bind_to_texture_rgba = value;
206 break;
207
208 case __DRI_ATTRIB_DOUBLE_BUFFER:
209 double_buffer = value;
210 break;
211
212 case __DRI_ATTRIB_RED_MASK:
213 dri_masks[0] = value;
214 break;
215
216 case __DRI_ATTRIB_GREEN_MASK:
217 dri_masks[1] = value;
218 break;
219
220 case __DRI_ATTRIB_BLUE_MASK:
221 dri_masks[2] = value;
222 break;
223
224 case __DRI_ATTRIB_ALPHA_MASK:
225 dri_masks[3] = value;
226 break;
227
228 case __DRI_ATTRIB_ACCUM_RED_SIZE:
229 case __DRI_ATTRIB_ACCUM_GREEN_SIZE:
230 case __DRI_ATTRIB_ACCUM_BLUE_SIZE:
231 case __DRI_ATTRIB_ACCUM_ALPHA_SIZE:
232 /* Don't expose visuals with the accumulation buffer. */
233 if (value > 0)
234 return NULL;
235 break;
236
237 case __DRI_ATTRIB_FRAMEBUFFER_SRGB_CAPABLE:
238 srgb = value != 0;
239 break;
240
241 default:
242 key = dri2_to_egl_attribute_map[attrib];
243 if (key != 0)
244 _eglSetConfigKey(&base, key, value);
245 break;
246 }
247 }
248
249 if (attr_list)
250 for (i = 0; attr_list[i] != EGL_NONE; i += 2)
251 _eglSetConfigKey(&base, attr_list[i], attr_list[i+1]);
252
253 if (rgba_masks && memcmp(rgba_masks, dri_masks, sizeof(dri_masks)))
254 return NULL;
255
256 base.NativeRenderable = EGL_TRUE;
257
258 base.SurfaceType = surface_type;
259 if (surface_type & (EGL_PBUFFER_BIT |
260 (disp->Extensions.NOK_texture_from_pixmap ? EGL_PIXMAP_BIT : 0))) {
261 base.BindToTextureRGB = bind_to_texture_rgb;
262 if (base.AlphaSize > 0)
263 base.BindToTextureRGBA = bind_to_texture_rgba;
264 }
265
266 base.RenderableType = disp->ClientAPIs;
267 base.Conformant = disp->ClientAPIs;
268
269 base.MinSwapInterval = dri2_dpy->min_swap_interval;
270 base.MaxSwapInterval = dri2_dpy->max_swap_interval;
271
272 if (!_eglValidateConfig(&base, EGL_FALSE)) {
273 _eglLog(_EGL_DEBUG, "DRI2: failed to validate config %d", id);
274 return NULL;
275 }
276
277 config_id = base.ConfigID;
278 base.ConfigID = EGL_DONT_CARE;
279 base.SurfaceType = EGL_DONT_CARE;
280 num_configs = _eglFilterArray(disp->Configs, (void **) &matching_config, 1,
281 (_EGLArrayForEach) dri2_match_config, &base);
282
283 if (num_configs == 1) {
284 conf = (struct dri2_egl_config *) matching_config;
285
286 if (double_buffer && srgb && !conf->dri_srgb_double_config)
287 conf->dri_srgb_double_config = dri_config;
288 else if (double_buffer && !srgb && !conf->dri_double_config)
289 conf->dri_double_config = dri_config;
290 else if (!double_buffer && srgb && !conf->dri_srgb_single_config)
291 conf->dri_srgb_single_config = dri_config;
292 else if (!double_buffer && !srgb && !conf->dri_single_config)
293 conf->dri_single_config = dri_config;
294 else
295 /* a similar config type is already added (unlikely) => discard */
296 return NULL;
297 }
298 else if (num_configs == 0) {
299 conf = calloc(1, sizeof *conf);
300 if (conf == NULL)
301 return NULL;
302
303 memcpy(&conf->base, &base, sizeof base);
304 if (double_buffer) {
305 if (srgb)
306 conf->dri_srgb_double_config = dri_config;
307 else
308 conf->dri_double_config = dri_config;
309 } else {
310 if (srgb)
311 conf->dri_srgb_single_config = dri_config;
312 else
313 conf->dri_single_config = dri_config;
314 }
315 conf->base.ConfigID = config_id;
316
317 _eglLinkConfig(&conf->base);
318 }
319 else {
320 assert(0);
321 return NULL;
322 }
323
324 if (double_buffer) {
325 surface_type &= ~EGL_PIXMAP_BIT;
326 }
327
328 conf->base.SurfaceType |= surface_type;
329
330 return conf;
331 }
332
333 __DRIimage *
334 dri2_lookup_egl_image(__DRIscreen *screen, void *image, void *data)
335 {
336 _EGLDisplay *disp = data;
337 struct dri2_egl_image *dri2_img;
338 _EGLImage *img;
339
340 (void) screen;
341
342 img = _eglLookupImage(image, disp);
343 if (img == NULL) {
344 _eglError(EGL_BAD_PARAMETER, "dri2_lookup_egl_image");
345 return NULL;
346 }
347
348 dri2_img = dri2_egl_image(image);
349
350 return dri2_img->dri_image;
351 }
352
353 const __DRIimageLookupExtension image_lookup_extension = {
354 .base = { __DRI_IMAGE_LOOKUP, 1 },
355
356 .lookupEGLImage = dri2_lookup_egl_image
357 };
358
359 struct dri2_extension_match {
360 const char *name;
361 int version;
362 int offset;
363 };
364
365 static struct dri2_extension_match dri2_driver_extensions[] = {
366 { __DRI_CORE, 1, offsetof(struct dri2_egl_display, core) },
367 { __DRI_DRI2, 2, offsetof(struct dri2_egl_display, dri2) },
368 { NULL, 0, 0 }
369 };
370
371 static struct dri2_extension_match dri2_core_extensions[] = {
372 { __DRI2_FLUSH, 1, offsetof(struct dri2_egl_display, flush) },
373 { __DRI_TEX_BUFFER, 2, offsetof(struct dri2_egl_display, tex_buffer) },
374 { __DRI_IMAGE, 1, offsetof(struct dri2_egl_display, image) },
375 { NULL, 0, 0 }
376 };
377
378 static struct dri2_extension_match swrast_driver_extensions[] = {
379 { __DRI_CORE, 1, offsetof(struct dri2_egl_display, core) },
380 { __DRI_SWRAST, 2, offsetof(struct dri2_egl_display, swrast) },
381 { NULL, 0, 0 }
382 };
383
384 static struct dri2_extension_match swrast_core_extensions[] = {
385 { __DRI_TEX_BUFFER, 2, offsetof(struct dri2_egl_display, tex_buffer) },
386 { NULL, 0, 0 }
387 };
388
389 static EGLBoolean
390 dri2_bind_extensions(struct dri2_egl_display *dri2_dpy,
391 struct dri2_extension_match *matches,
392 const __DRIextension **extensions)
393 {
394 int i, j, ret = EGL_TRUE;
395 void *field;
396
397 for (i = 0; extensions[i]; i++) {
398 _eglLog(_EGL_DEBUG, "DRI2: found extension `%s'", extensions[i]->name);
399 for (j = 0; matches[j].name; j++) {
400 if (strcmp(extensions[i]->name, matches[j].name) == 0 &&
401 extensions[i]->version >= matches[j].version) {
402 field = ((char *) dri2_dpy + matches[j].offset);
403 *(const __DRIextension **) field = extensions[i];
404 _eglLog(_EGL_INFO, "DRI2: found extension %s version %d",
405 extensions[i]->name, extensions[i]->version);
406 }
407 }
408 }
409
410 for (j = 0; matches[j].name; j++) {
411 field = ((char *) dri2_dpy + matches[j].offset);
412 if (*(const __DRIextension **) field == NULL) {
413 _eglLog(_EGL_WARNING, "DRI2: did not find extension %s version %d",
414 matches[j].name, matches[j].version);
415 ret = EGL_FALSE;
416 }
417 }
418
419 return ret;
420 }
421
422 static const __DRIextension **
423 dri2_open_driver(_EGLDisplay *disp)
424 {
425 struct dri2_egl_display *dri2_dpy = disp->DriverData;
426 const __DRIextension **extensions = NULL;
427 char path[PATH_MAX], *search_paths, *p, *next, *end;
428 char *get_extensions_name;
429 const __DRIextension **(*get_extensions)(void);
430
431 search_paths = NULL;
432 if (geteuid() == getuid()) {
433 /* don't allow setuid apps to use LIBGL_DRIVERS_PATH */
434 search_paths = getenv("LIBGL_DRIVERS_PATH");
435 }
436 if (search_paths == NULL)
437 search_paths = DEFAULT_DRIVER_DIR;
438
439 dri2_dpy->driver = NULL;
440 end = search_paths + strlen(search_paths);
441 for (p = search_paths; p < end; p = next + 1) {
442 int len;
443 next = strchr(p, ':');
444 if (next == NULL)
445 next = end;
446
447 len = next - p;
448 #if GLX_USE_TLS
449 snprintf(path, sizeof path,
450 "%.*s/tls/%s_dri.so", len, p, dri2_dpy->driver_name);
451 dri2_dpy->driver = dlopen(path, RTLD_NOW | RTLD_GLOBAL);
452 #endif
453 if (dri2_dpy->driver == NULL) {
454 snprintf(path, sizeof path,
455 "%.*s/%s_dri.so", len, p, dri2_dpy->driver_name);
456 dri2_dpy->driver = dlopen(path, RTLD_NOW | RTLD_GLOBAL);
457 if (dri2_dpy->driver == NULL)
458 _eglLog(_EGL_DEBUG, "failed to open %s: %s\n", path, dlerror());
459 }
460 /* not need continue to loop all paths once the driver is found */
461 if (dri2_dpy->driver != NULL)
462 break;
463
464 #ifdef ANDROID
465 snprintf(path, sizeof path, "%.*s/gallium_dri.so", len, p);
466 dri2_dpy->driver = dlopen(path, RTLD_NOW | RTLD_GLOBAL);
467 if (dri2_dpy->driver == NULL)
468 _eglLog(_EGL_DEBUG, "failed to open %s: %s\n", path, dlerror());
469 else
470 break;
471 #endif
472 }
473
474 if (dri2_dpy->driver == NULL) {
475 _eglLog(_EGL_WARNING,
476 "DRI2: failed to open %s (search paths %s)",
477 dri2_dpy->driver_name, search_paths);
478 return NULL;
479 }
480
481 _eglLog(_EGL_DEBUG, "DRI2: dlopen(%s)", path);
482
483 if (asprintf(&get_extensions_name, "%s_%s",
484 __DRI_DRIVER_GET_EXTENSIONS, dri2_dpy->driver_name) != -1) {
485 get_extensions = dlsym(dri2_dpy->driver, get_extensions_name);
486 if (get_extensions) {
487 extensions = get_extensions();
488 } else {
489 _eglLog(_EGL_DEBUG, "driver does not expose %s(): %s\n",
490 get_extensions_name, dlerror());
491 }
492 free(get_extensions_name);
493 }
494
495 if (!extensions)
496 extensions = dlsym(dri2_dpy->driver, __DRI_DRIVER_EXTENSIONS);
497 if (extensions == NULL) {
498 _eglLog(_EGL_WARNING,
499 "DRI2: driver exports no extensions (%s)", dlerror());
500 dlclose(dri2_dpy->driver);
501 }
502
503 return extensions;
504 }
505
506 EGLBoolean
507 dri2_load_driver(_EGLDisplay *disp)
508 {
509 struct dri2_egl_display *dri2_dpy = disp->DriverData;
510 const __DRIextension **extensions;
511
512 extensions = dri2_open_driver(disp);
513 if (!extensions)
514 return EGL_FALSE;
515
516 if (!dri2_bind_extensions(dri2_dpy, dri2_driver_extensions, extensions)) {
517 dlclose(dri2_dpy->driver);
518 return EGL_FALSE;
519 }
520 dri2_dpy->driver_extensions = extensions;
521
522 return EGL_TRUE;
523 }
524
525 EGLBoolean
526 dri2_load_driver_swrast(_EGLDisplay *disp)
527 {
528 struct dri2_egl_display *dri2_dpy = disp->DriverData;
529 const __DRIextension **extensions;
530
531 extensions = dri2_open_driver(disp);
532 if (!extensions)
533 return EGL_FALSE;
534
535 if (!dri2_bind_extensions(dri2_dpy, swrast_driver_extensions, extensions)) {
536 dlclose(dri2_dpy->driver);
537 return EGL_FALSE;
538 }
539 dri2_dpy->driver_extensions = extensions;
540
541 return EGL_TRUE;
542 }
543
544 static unsigned
545 dri2_renderer_query_integer(struct dri2_egl_display *dri2_dpy, int param)
546 {
547 const __DRI2rendererQueryExtension *rendererQuery = dri2_dpy->rendererQuery;
548 unsigned int value = 0;
549
550 if (!rendererQuery ||
551 rendererQuery->queryInteger(dri2_dpy->dri_screen, param, &value) == -1)
552 return 0;
553
554 return value;
555 }
556
557 void
558 dri2_setup_screen(_EGLDisplay *disp)
559 {
560 struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
561 unsigned int api_mask;
562
563 if (dri2_dpy->dri2) {
564 api_mask = dri2_dpy->dri2->getAPIMask(dri2_dpy->dri_screen);
565 } else {
566 assert(dri2_dpy->swrast);
567 api_mask = 1 << __DRI_API_OPENGL |
568 1 << __DRI_API_GLES |
569 1 << __DRI_API_GLES2 |
570 1 << __DRI_API_GLES3;
571 }
572
573 disp->ClientAPIs = 0;
574 if (api_mask & (1 <<__DRI_API_OPENGL))
575 disp->ClientAPIs |= EGL_OPENGL_BIT;
576 if (api_mask & (1 <<__DRI_API_GLES))
577 disp->ClientAPIs |= EGL_OPENGL_ES_BIT;
578 if (api_mask & (1 << __DRI_API_GLES2))
579 disp->ClientAPIs |= EGL_OPENGL_ES2_BIT;
580 if (api_mask & (1 << __DRI_API_GLES3))
581 disp->ClientAPIs |= EGL_OPENGL_ES3_BIT_KHR;
582
583 assert(dri2_dpy->dri2 || dri2_dpy->swrast);
584 disp->Extensions.KHR_surfaceless_context = EGL_TRUE;
585 disp->Extensions.MESA_configless_context = EGL_TRUE;
586
587 if (dri2_renderer_query_integer(dri2_dpy,
588 __DRI2_RENDERER_HAS_FRAMEBUFFER_SRGB))
589 disp->Extensions.KHR_gl_colorspace = EGL_TRUE;
590
591 if (dri2_dpy->dri2 && dri2_dpy->dri2->base.version >= 3) {
592 disp->Extensions.KHR_create_context = EGL_TRUE;
593
594 if (dri2_dpy->robustness)
595 disp->Extensions.EXT_create_context_robustness = EGL_TRUE;
596 }
597
598 if (dri2_dpy->fence) {
599 disp->Extensions.KHR_fence_sync = EGL_TRUE;
600 disp->Extensions.KHR_wait_sync = EGL_TRUE;
601 if (dri2_dpy->fence->get_fence_from_cl_event)
602 disp->Extensions.KHR_cl_event2 = EGL_TRUE;
603 }
604
605 if (dri2_dpy->image) {
606 if (dri2_dpy->image->base.version >= 10 &&
607 dri2_dpy->image->getCapabilities != NULL) {
608 int capabilities;
609
610 capabilities = dri2_dpy->image->getCapabilities(dri2_dpy->dri_screen);
611 disp->Extensions.MESA_drm_image = (capabilities & __DRI_IMAGE_CAP_GLOBAL_NAMES) != 0;
612
613 if (dri2_dpy->image->base.version >= 11)
614 disp->Extensions.MESA_image_dma_buf_export = EGL_TRUE;
615 } else {
616 disp->Extensions.MESA_drm_image = EGL_TRUE;
617 if (dri2_dpy->image->base.version >= 11)
618 disp->Extensions.MESA_image_dma_buf_export = EGL_TRUE;
619 }
620
621 disp->Extensions.KHR_image_base = EGL_TRUE;
622 disp->Extensions.KHR_gl_renderbuffer_image = EGL_TRUE;
623 if (dri2_dpy->image->base.version >= 5 &&
624 dri2_dpy->image->createImageFromTexture) {
625 disp->Extensions.KHR_gl_texture_2D_image = EGL_TRUE;
626 disp->Extensions.KHR_gl_texture_cubemap_image = EGL_TRUE;
627 }
628 if (dri2_renderer_query_integer(dri2_dpy,
629 __DRI2_RENDERER_HAS_TEXTURE_3D))
630 disp->Extensions.KHR_gl_texture_3D_image = EGL_TRUE;
631 #ifdef HAVE_LIBDRM
632 if (dri2_dpy->image->base.version >= 8 &&
633 dri2_dpy->image->createImageFromDmaBufs) {
634 disp->Extensions.EXT_image_dma_buf_import = EGL_TRUE;
635 }
636 #endif
637 }
638 }
639
640 /* All platforms but DRM call this function to create the screen, query the
641 * dri extensions, setup the vtables and populate the driver_configs.
642 * DRM inherits all that information from its display - GBM.
643 */
644 EGLBoolean
645 dri2_create_screen(_EGLDisplay *disp)
646 {
647 const __DRIextension **extensions;
648 struct dri2_egl_display *dri2_dpy;
649 unsigned i;
650
651 dri2_dpy = disp->DriverData;
652
653 if (dri2_dpy->dri2) {
654 if (dri2_dpy->dri2->base.version >= 4) {
655 dri2_dpy->dri_screen =
656 dri2_dpy->dri2->createNewScreen2(0, dri2_dpy->fd,
657 dri2_dpy->extensions,
658 dri2_dpy->driver_extensions,
659 &dri2_dpy->driver_configs, disp);
660 } else {
661 dri2_dpy->dri_screen =
662 dri2_dpy->dri2->createNewScreen(0, dri2_dpy->fd,
663 dri2_dpy->extensions,
664 &dri2_dpy->driver_configs, disp);
665 }
666 } else {
667 assert(dri2_dpy->swrast);
668 if (dri2_dpy->swrast->base.version >= 4) {
669 dri2_dpy->dri_screen =
670 dri2_dpy->swrast->createNewScreen2(0, dri2_dpy->extensions,
671 dri2_dpy->driver_extensions,
672 &dri2_dpy->driver_configs, disp);
673 } else {
674 dri2_dpy->dri_screen =
675 dri2_dpy->swrast->createNewScreen(0, dri2_dpy->extensions,
676 &dri2_dpy->driver_configs, disp);
677 }
678 }
679
680 if (dri2_dpy->dri_screen == NULL) {
681 _eglLog(_EGL_WARNING, "DRI2: failed to create dri screen");
682 return EGL_FALSE;
683 }
684
685 dri2_dpy->own_dri_screen = 1;
686
687 extensions = dri2_dpy->core->getExtensions(dri2_dpy->dri_screen);
688
689 if (dri2_dpy->dri2) {
690 if (!dri2_bind_extensions(dri2_dpy, dri2_core_extensions, extensions))
691 goto cleanup_dri_screen;
692 } else {
693 assert(dri2_dpy->swrast);
694 if (!dri2_bind_extensions(dri2_dpy, swrast_core_extensions, extensions))
695 goto cleanup_dri_screen;
696 }
697
698 for (i = 0; extensions[i]; i++) {
699 if (strcmp(extensions[i]->name, __DRI2_ROBUSTNESS) == 0) {
700 dri2_dpy->robustness = (__DRIrobustnessExtension *) extensions[i];
701 }
702 if (strcmp(extensions[i]->name, __DRI2_CONFIG_QUERY) == 0) {
703 dri2_dpy->config = (__DRI2configQueryExtension *) extensions[i];
704 }
705 if (strcmp(extensions[i]->name, __DRI2_FENCE) == 0) {
706 dri2_dpy->fence = (__DRI2fenceExtension *) extensions[i];
707 }
708 if (strcmp(extensions[i]->name, __DRI2_RENDERER_QUERY) == 0) {
709 dri2_dpy->rendererQuery = (__DRI2rendererQueryExtension *) extensions[i];
710 }
711 }
712
713 dri2_setup_screen(disp);
714
715 return EGL_TRUE;
716
717 cleanup_dri_screen:
718 dri2_dpy->core->destroyScreen(dri2_dpy->dri_screen);
719
720 return EGL_FALSE;
721 }
722
723 /**
724 * Called via eglInitialize(), GLX_drv->API.Initialize().
725 */
726 static EGLBoolean
727 dri2_initialize(_EGLDriver *drv, _EGLDisplay *disp)
728 {
729 /* not until swrast_dri is supported */
730 if (disp->Options.UseFallback)
731 return EGL_FALSE;
732
733 switch (disp->Platform) {
734 #ifdef HAVE_SURFACELESS_PLATFORM
735 case _EGL_PLATFORM_SURFACELESS:
736 if (disp->Options.TestOnly)
737 return EGL_TRUE;
738 return dri2_initialize_surfaceless(drv, disp);
739 #endif
740
741 #ifdef HAVE_X11_PLATFORM
742 case _EGL_PLATFORM_X11:
743 if (disp->Options.TestOnly)
744 return EGL_TRUE;
745 return dri2_initialize_x11(drv, disp);
746 #endif
747
748 #ifdef HAVE_DRM_PLATFORM
749 case _EGL_PLATFORM_DRM:
750 if (disp->Options.TestOnly)
751 return EGL_TRUE;
752 return dri2_initialize_drm(drv, disp);
753 #endif
754 #ifdef HAVE_WAYLAND_PLATFORM
755 case _EGL_PLATFORM_WAYLAND:
756 if (disp->Options.TestOnly)
757 return EGL_TRUE;
758 return dri2_initialize_wayland(drv, disp);
759 #endif
760 #ifdef HAVE_ANDROID_PLATFORM
761 case _EGL_PLATFORM_ANDROID:
762 if (disp->Options.TestOnly)
763 return EGL_TRUE;
764 return dri2_initialize_android(drv, disp);
765 #endif
766
767 default:
768 _eglLog(_EGL_WARNING, "No EGL platform enabled.");
769 return EGL_FALSE;
770 }
771 }
772
773 /**
774 * Called via eglTerminate(), drv->API.Terminate().
775 */
776 static EGLBoolean
777 dri2_terminate(_EGLDriver *drv, _EGLDisplay *disp)
778 {
779 struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
780 unsigned i;
781
782 _eglReleaseDisplayResources(drv, disp);
783 _eglCleanupDisplay(disp);
784
785 if (dri2_dpy->own_dri_screen)
786 dri2_dpy->core->destroyScreen(dri2_dpy->dri_screen);
787 if (dri2_dpy->fd)
788 close(dri2_dpy->fd);
789 if (dri2_dpy->driver)
790 dlclose(dri2_dpy->driver);
791 free(dri2_dpy->device_name);
792 free(dri2_dpy->driver_name);
793
794 switch (disp->Platform) {
795 #ifdef HAVE_X11_PLATFORM
796 case _EGL_PLATFORM_X11:
797 if (dri2_dpy->own_device) {
798 xcb_disconnect(dri2_dpy->conn);
799 }
800 break;
801 #endif
802 #ifdef HAVE_DRM_PLATFORM
803 case _EGL_PLATFORM_DRM:
804 if (dri2_dpy->own_device) {
805 gbm_device_destroy(&dri2_dpy->gbm_dri->base.base);
806 }
807 break;
808 #endif
809 #ifdef HAVE_WAYLAND_PLATFORM
810 case _EGL_PLATFORM_WAYLAND:
811 if (dri2_dpy->wl_drm)
812 wl_drm_destroy(dri2_dpy->wl_drm);
813 if (dri2_dpy->wl_shm)
814 wl_shm_destroy(dri2_dpy->wl_shm);
815 wl_registry_destroy(dri2_dpy->wl_registry);
816 wl_event_queue_destroy(dri2_dpy->wl_queue);
817 if (dri2_dpy->own_device) {
818 wl_display_disconnect(dri2_dpy->wl_dpy);
819 }
820 break;
821 #endif
822 default:
823 break;
824 }
825
826 /* The drm platform does not create the screen/driver_configs but reuses
827 * the ones from the gbm device. As such the gbm itself is responsible
828 * for the cleanup.
829 */
830 if (disp->Platform != _EGL_PLATFORM_DRM) {
831 for (i = 0; dri2_dpy->driver_configs[i]; i++)
832 free((__DRIconfig *) dri2_dpy->driver_configs[i]);
833 free(dri2_dpy->driver_configs);
834 }
835 free(dri2_dpy);
836 disp->DriverData = NULL;
837
838 return EGL_TRUE;
839 }
840
841 /**
842 * Set the error code after a call to
843 * dri2_egl_display::dri2::createContextAttribs.
844 */
845 static void
846 dri2_create_context_attribs_error(int dri_error)
847 {
848 EGLint egl_error;
849
850 switch (dri_error) {
851 case __DRI_CTX_ERROR_SUCCESS:
852 return;
853
854 case __DRI_CTX_ERROR_NO_MEMORY:
855 egl_error = EGL_BAD_ALLOC;
856 break;
857
858 /* From the EGL_KHR_create_context spec, section "Errors":
859 *
860 * * If <config> does not support a client API context compatible
861 * with the requested API major and minor version, [...] context flags,
862 * and context reset notification behavior (for client API types where
863 * these attributes are supported), then an EGL_BAD_MATCH error is
864 * generated.
865 *
866 * * If an OpenGL ES context is requested and the values for
867 * attributes EGL_CONTEXT_MAJOR_VERSION_KHR and
868 * EGL_CONTEXT_MINOR_VERSION_KHR specify an OpenGL ES version that
869 * is not defined, than an EGL_BAD_MATCH error is generated.
870 *
871 * * If an OpenGL context is requested, the requested version is
872 * greater than 3.2, and the value for attribute
873 * EGL_CONTEXT_OPENGL_PROFILE_MASK_KHR has no bits set; has any
874 * bits set other than EGL_CONTEXT_OPENGL_CORE_PROFILE_BIT_KHR and
875 * EGL_CONTEXT_OPENGL_COMPATIBILITY_PROFILE_BIT_KHR; has more than
876 * one of these bits set; or if the implementation does not support
877 * the requested profile, then an EGL_BAD_MATCH error is generated.
878 */
879 case __DRI_CTX_ERROR_BAD_API:
880 case __DRI_CTX_ERROR_BAD_VERSION:
881 case __DRI_CTX_ERROR_BAD_FLAG:
882 egl_error = EGL_BAD_MATCH;
883 break;
884
885 /* From the EGL_KHR_create_context spec, section "Errors":
886 *
887 * * If an attribute name or attribute value in <attrib_list> is not
888 * recognized (including unrecognized bits in bitmask attributes),
889 * then an EGL_BAD_ATTRIBUTE error is generated."
890 */
891 case __DRI_CTX_ERROR_UNKNOWN_ATTRIBUTE:
892 case __DRI_CTX_ERROR_UNKNOWN_FLAG:
893 egl_error = EGL_BAD_ATTRIBUTE;
894 break;
895
896 default:
897 assert(0);
898 egl_error = EGL_BAD_MATCH;
899 break;
900 }
901
902 _eglError(egl_error, "dri2_create_context");
903 }
904
905 /**
906 * Called via eglCreateContext(), drv->API.CreateContext().
907 */
908 static _EGLContext *
909 dri2_create_context(_EGLDriver *drv, _EGLDisplay *disp, _EGLConfig *conf,
910 _EGLContext *share_list, const EGLint *attrib_list)
911 {
912 struct dri2_egl_context *dri2_ctx;
913 struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
914 struct dri2_egl_context *dri2_ctx_shared = dri2_egl_context(share_list);
915 __DRIcontext *shared =
916 dri2_ctx_shared ? dri2_ctx_shared->dri_context : NULL;
917 struct dri2_egl_config *dri2_config = dri2_egl_config(conf);
918 const __DRIconfig *dri_config;
919 int api;
920
921 (void) drv;
922
923 dri2_ctx = malloc(sizeof *dri2_ctx);
924 if (!dri2_ctx) {
925 _eglError(EGL_BAD_ALLOC, "eglCreateContext");
926 return NULL;
927 }
928
929 if (!_eglInitContext(&dri2_ctx->base, disp, conf, attrib_list))
930 goto cleanup;
931
932 switch (dri2_ctx->base.ClientAPI) {
933 case EGL_OPENGL_ES_API:
934 switch (dri2_ctx->base.ClientMajorVersion) {
935 case 1:
936 api = __DRI_API_GLES;
937 break;
938 case 2:
939 api = __DRI_API_GLES2;
940 break;
941 case 3:
942 api = __DRI_API_GLES3;
943 break;
944 default:
945 _eglError(EGL_BAD_PARAMETER, "eglCreateContext");
946 free(dri2_ctx);
947 return NULL;
948 }
949 break;
950 case EGL_OPENGL_API:
951 if ((dri2_ctx->base.ClientMajorVersion >= 4
952 || (dri2_ctx->base.ClientMajorVersion == 3
953 && dri2_ctx->base.ClientMinorVersion >= 2))
954 && dri2_ctx->base.Profile == EGL_CONTEXT_OPENGL_CORE_PROFILE_BIT_KHR)
955 api = __DRI_API_OPENGL_CORE;
956 else
957 api = __DRI_API_OPENGL;
958 break;
959 default:
960 _eglError(EGL_BAD_PARAMETER, "eglCreateContext");
961 free(dri2_ctx);
962 return NULL;
963 }
964
965 if (conf != NULL) {
966 /* The config chosen here isn't necessarily
967 * used for surfaces later.
968 * A pixmap surface will use the single config.
969 * This opportunity depends on disabling the
970 * doubleBufferMode check in
971 * src/mesa/main/context.c:check_compatible()
972 */
973 if (dri2_config->dri_double_config)
974 dri_config = dri2_config->dri_double_config;
975 else
976 dri_config = dri2_config->dri_single_config;
977
978 /* EGL_WINDOW_BIT is set only when there is a dri_double_config. This
979 * makes sure the back buffer will always be used.
980 */
981 if (conf->SurfaceType & EGL_WINDOW_BIT)
982 dri2_ctx->base.WindowRenderBuffer = EGL_BACK_BUFFER;
983 }
984 else
985 dri_config = NULL;
986
987 if (dri2_dpy->dri2) {
988 if (dri2_dpy->dri2->base.version >= 3) {
989 unsigned error;
990 unsigned num_attribs = 0;
991 uint32_t ctx_attribs[8];
992
993 ctx_attribs[num_attribs++] = __DRI_CTX_ATTRIB_MAJOR_VERSION;
994 ctx_attribs[num_attribs++] = dri2_ctx->base.ClientMajorVersion;
995 ctx_attribs[num_attribs++] = __DRI_CTX_ATTRIB_MINOR_VERSION;
996 ctx_attribs[num_attribs++] = dri2_ctx->base.ClientMinorVersion;
997
998 if (dri2_ctx->base.Flags != 0) {
999 /* If the implementation doesn't support the __DRI2_ROBUSTNESS
1000 * extension, don't even try to send it the robust-access flag.
1001 * It may explode. Instead, generate the required EGL error here.
1002 */
1003 if ((dri2_ctx->base.Flags & EGL_CONTEXT_OPENGL_ROBUST_ACCESS_BIT_KHR) != 0
1004 && !dri2_dpy->robustness) {
1005 _eglError(EGL_BAD_MATCH, "eglCreateContext");
1006 goto cleanup;
1007 }
1008
1009 ctx_attribs[num_attribs++] = __DRI_CTX_ATTRIB_FLAGS;
1010 ctx_attribs[num_attribs++] = dri2_ctx->base.Flags;
1011 }
1012
1013 if (dri2_ctx->base.ResetNotificationStrategy != EGL_NO_RESET_NOTIFICATION_KHR) {
1014 /* If the implementation doesn't support the __DRI2_ROBUSTNESS
1015 * extension, don't even try to send it a reset strategy. It may
1016 * explode. Instead, generate the required EGL error here.
1017 */
1018 if (!dri2_dpy->robustness) {
1019 _eglError(EGL_BAD_CONFIG, "eglCreateContext");
1020 goto cleanup;
1021 }
1022
1023 ctx_attribs[num_attribs++] = __DRI_CTX_ATTRIB_RESET_STRATEGY;
1024 ctx_attribs[num_attribs++] = __DRI_CTX_RESET_LOSE_CONTEXT;
1025 }
1026
1027 assert(num_attribs <= ARRAY_SIZE(ctx_attribs));
1028
1029 dri2_ctx->dri_context =
1030 dri2_dpy->dri2->createContextAttribs(dri2_dpy->dri_screen,
1031 api,
1032 dri_config,
1033 shared,
1034 num_attribs / 2,
1035 ctx_attribs,
1036 & error,
1037 dri2_ctx);
1038 dri2_create_context_attribs_error(error);
1039 } else {
1040 dri2_ctx->dri_context =
1041 dri2_dpy->dri2->createNewContextForAPI(dri2_dpy->dri_screen,
1042 api,
1043 dri_config,
1044 shared,
1045 dri2_ctx);
1046 }
1047 } else {
1048 assert(dri2_dpy->swrast);
1049 dri2_ctx->dri_context =
1050 dri2_dpy->swrast->createNewContextForAPI(dri2_dpy->dri_screen,
1051 api,
1052 dri_config,
1053 shared,
1054 dri2_ctx);
1055 }
1056
1057 if (!dri2_ctx->dri_context)
1058 goto cleanup;
1059
1060 return &dri2_ctx->base;
1061
1062 cleanup:
1063 free(dri2_ctx);
1064 return NULL;
1065 }
1066
1067 /**
1068 * Called via eglDestroyContext(), drv->API.DestroyContext().
1069 */
1070 static EGLBoolean
1071 dri2_destroy_context(_EGLDriver *drv, _EGLDisplay *disp, _EGLContext *ctx)
1072 {
1073 struct dri2_egl_context *dri2_ctx = dri2_egl_context(ctx);
1074 struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
1075
1076 if (_eglPutContext(ctx)) {
1077 dri2_dpy->core->destroyContext(dri2_ctx->dri_context);
1078 free(dri2_ctx);
1079 }
1080
1081 return EGL_TRUE;
1082 }
1083
1084 /**
1085 * Called via eglMakeCurrent(), drv->API.MakeCurrent().
1086 */
1087 static EGLBoolean
1088 dri2_make_current(_EGLDriver *drv, _EGLDisplay *disp, _EGLSurface *dsurf,
1089 _EGLSurface *rsurf, _EGLContext *ctx)
1090 {
1091 struct dri2_egl_driver *dri2_drv = dri2_egl_driver(drv);
1092 struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
1093 struct dri2_egl_surface *dri2_dsurf = dri2_egl_surface(dsurf);
1094 struct dri2_egl_surface *dri2_rsurf = dri2_egl_surface(rsurf);
1095 struct dri2_egl_context *dri2_ctx = dri2_egl_context(ctx);
1096 _EGLContext *old_ctx;
1097 _EGLSurface *old_dsurf, *old_rsurf;
1098 __DRIdrawable *ddraw, *rdraw;
1099 __DRIcontext *cctx;
1100
1101 /* make new bindings */
1102 if (!_eglBindContext(ctx, dsurf, rsurf, &old_ctx, &old_dsurf, &old_rsurf))
1103 return EGL_FALSE;
1104
1105 /* flush before context switch */
1106 if (old_ctx && dri2_drv->glFlush)
1107 dri2_drv->glFlush();
1108
1109 ddraw = (dri2_dsurf) ? dri2_dsurf->dri_drawable : NULL;
1110 rdraw = (dri2_rsurf) ? dri2_rsurf->dri_drawable : NULL;
1111 cctx = (dri2_ctx) ? dri2_ctx->dri_context : NULL;
1112
1113 if (old_ctx) {
1114 __DRIcontext *old_cctx = dri2_egl_context(old_ctx)->dri_context;
1115 dri2_dpy->core->unbindContext(old_cctx);
1116 }
1117
1118 if ((cctx == NULL && ddraw == NULL && rdraw == NULL) ||
1119 dri2_dpy->core->bindContext(cctx, ddraw, rdraw)) {
1120 if (old_dsurf)
1121 drv->API.DestroySurface(drv, disp, old_dsurf);
1122 if (old_rsurf)
1123 drv->API.DestroySurface(drv, disp, old_rsurf);
1124 if (old_ctx)
1125 drv->API.DestroyContext(drv, disp, old_ctx);
1126
1127 return EGL_TRUE;
1128 } else {
1129 /* undo the previous _eglBindContext */
1130 _eglBindContext(old_ctx, old_dsurf, old_rsurf, &ctx, &dsurf, &rsurf);
1131 assert(&dri2_ctx->base == ctx &&
1132 &dri2_dsurf->base == dsurf &&
1133 &dri2_rsurf->base == rsurf);
1134
1135 _eglPutSurface(dsurf);
1136 _eglPutSurface(rsurf);
1137 _eglPutContext(ctx);
1138
1139 _eglPutSurface(old_dsurf);
1140 _eglPutSurface(old_rsurf);
1141 _eglPutContext(old_ctx);
1142
1143 return EGL_FALSE;
1144 }
1145 }
1146
1147 /*
1148 * Called from eglGetProcAddress() via drv->API.GetProcAddress().
1149 */
1150 static _EGLProc
1151 dri2_get_proc_address(_EGLDriver *drv, const char *procname)
1152 {
1153 struct dri2_egl_driver *dri2_drv = dri2_egl_driver(drv);
1154
1155 return dri2_drv->get_proc_address(procname);
1156 }
1157
1158 static _EGLSurface*
1159 dri2_create_window_surface(_EGLDriver *drv, _EGLDisplay *dpy,
1160 _EGLConfig *conf, void *native_window,
1161 const EGLint *attrib_list)
1162 {
1163 struct dri2_egl_display *dri2_dpy = dri2_egl_display(dpy);
1164 return dri2_dpy->vtbl->create_window_surface(drv, dpy, conf, native_window,
1165 attrib_list);
1166 }
1167
1168 static _EGLSurface*
1169 dri2_create_pixmap_surface(_EGLDriver *drv, _EGLDisplay *dpy,
1170 _EGLConfig *conf, void *native_pixmap,
1171 const EGLint *attrib_list)
1172 {
1173 struct dri2_egl_display *dri2_dpy = dri2_egl_display(dpy);
1174 return dri2_dpy->vtbl->create_pixmap_surface(drv, dpy, conf, native_pixmap,
1175 attrib_list);
1176 }
1177
1178 static _EGLSurface*
1179 dri2_create_pbuffer_surface(_EGLDriver *drv, _EGLDisplay *dpy,
1180 _EGLConfig *conf, const EGLint *attrib_list)
1181 {
1182 struct dri2_egl_display *dri2_dpy = dri2_egl_display(dpy);
1183 return dri2_dpy->vtbl->create_pbuffer_surface(drv, dpy, conf, attrib_list);
1184 }
1185
1186 static EGLBoolean
1187 dri2_destroy_surface(_EGLDriver *drv, _EGLDisplay *dpy, _EGLSurface *surf)
1188 {
1189 struct dri2_egl_display *dri2_dpy = dri2_egl_display(dpy);
1190 return dri2_dpy->vtbl->destroy_surface(drv, dpy, surf);
1191 }
1192
1193 static EGLBoolean
1194 dri2_swap_interval(_EGLDriver *drv, _EGLDisplay *dpy, _EGLSurface *surf,
1195 EGLint interval)
1196 {
1197 struct dri2_egl_display *dri2_dpy = dri2_egl_display(dpy);
1198 return dri2_dpy->vtbl->swap_interval(drv, dpy, surf, interval);
1199 }
1200
1201 /**
1202 * Asks the client API to flush any rendering to the drawable so that we can
1203 * do our swapbuffers.
1204 */
1205 void
1206 dri2_flush_drawable_for_swapbuffers(_EGLDisplay *disp, _EGLSurface *draw)
1207 {
1208 struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
1209 struct dri2_egl_surface *dri2_surf = dri2_egl_surface(draw);
1210
1211 if (dri2_dpy->flush) {
1212 if (dri2_dpy->flush->base.version >= 4) {
1213 /* We know there's a current context because:
1214 *
1215 * "If surface is not bound to the calling thread’s current
1216 * context, an EGL_BAD_SURFACE error is generated."
1217 */
1218 _EGLContext *ctx = _eglGetCurrentContext();
1219 struct dri2_egl_context *dri2_ctx = dri2_egl_context(ctx);
1220
1221 /* From the EGL 1.4 spec (page 52):
1222 *
1223 * "The contents of ancillary buffers are always undefined
1224 * after calling eglSwapBuffers."
1225 */
1226 dri2_dpy->flush->flush_with_flags(dri2_ctx->dri_context,
1227 dri2_surf->dri_drawable,
1228 __DRI2_FLUSH_DRAWABLE |
1229 __DRI2_FLUSH_INVALIDATE_ANCILLARY,
1230 __DRI2_THROTTLE_SWAPBUFFER);
1231 } else {
1232 dri2_dpy->flush->flush(dri2_surf->dri_drawable);
1233 }
1234 }
1235 }
1236
1237 static EGLBoolean
1238 dri2_swap_buffers(_EGLDriver *drv, _EGLDisplay *dpy, _EGLSurface *surf)
1239 {
1240 struct dri2_egl_display *dri2_dpy = dri2_egl_display(dpy);
1241 return dri2_dpy->vtbl->swap_buffers(drv, dpy, surf);
1242 }
1243
1244 static EGLBoolean
1245 dri2_swap_buffers_with_damage(_EGLDriver *drv, _EGLDisplay *dpy,
1246 _EGLSurface *surf,
1247 const EGLint *rects, EGLint n_rects)
1248 {
1249 struct dri2_egl_display *dri2_dpy = dri2_egl_display(dpy);
1250 return dri2_dpy->vtbl->swap_buffers_with_damage(drv, dpy, surf,
1251 rects, n_rects);
1252 }
1253
1254 static EGLBoolean
1255 dri2_swap_buffers_region(_EGLDriver *drv, _EGLDisplay *dpy, _EGLSurface *surf,
1256 EGLint numRects, const EGLint *rects)
1257 {
1258 struct dri2_egl_display *dri2_dpy = dri2_egl_display(dpy);
1259 return dri2_dpy->vtbl->swap_buffers_region(drv, dpy, surf, numRects, rects);
1260 }
1261
1262 static EGLBoolean
1263 dri2_post_sub_buffer(_EGLDriver *drv, _EGLDisplay *dpy, _EGLSurface *surf,
1264 EGLint x, EGLint y, EGLint width, EGLint height)
1265 {
1266 struct dri2_egl_display *dri2_dpy = dri2_egl_display(dpy);
1267 return dri2_dpy->vtbl->post_sub_buffer(drv, dpy, surf, x, y, width, height);
1268 }
1269
1270 static EGLBoolean
1271 dri2_copy_buffers(_EGLDriver *drv, _EGLDisplay *dpy, _EGLSurface *surf,
1272 void *native_pixmap_target)
1273 {
1274 struct dri2_egl_display *dri2_dpy = dri2_egl_display(dpy);
1275 return dri2_dpy->vtbl->copy_buffers(drv, dpy, surf, native_pixmap_target);
1276 }
1277
1278 static EGLint
1279 dri2_query_buffer_age(_EGLDriver *drv, _EGLDisplay *dpy, _EGLSurface *surf)
1280 {
1281 struct dri2_egl_display *dri2_dpy = dri2_egl_display(dpy);
1282 return dri2_dpy->vtbl->query_buffer_age(drv, dpy, surf);
1283 }
1284
1285 static EGLBoolean
1286 dri2_wait_client(_EGLDriver *drv, _EGLDisplay *disp, _EGLContext *ctx)
1287 {
1288 struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
1289 struct dri2_egl_surface *dri2_surf = dri2_egl_surface(ctx->DrawSurface);
1290
1291 (void) drv;
1292
1293 /* FIXME: If EGL allows frontbuffer rendering for window surfaces,
1294 * we need to copy fake to real here.*/
1295
1296 if (dri2_dpy->flush != NULL)
1297 dri2_dpy->flush->flush(dri2_surf->dri_drawable);
1298
1299 return EGL_TRUE;
1300 }
1301
1302 static EGLBoolean
1303 dri2_wait_native(_EGLDriver *drv, _EGLDisplay *disp, EGLint engine)
1304 {
1305 (void) drv;
1306 (void) disp;
1307
1308 if (engine != EGL_CORE_NATIVE_ENGINE)
1309 return _eglError(EGL_BAD_PARAMETER, "eglWaitNative");
1310 /* glXWaitX(); */
1311
1312 return EGL_TRUE;
1313 }
1314
1315 static EGLBoolean
1316 dri2_bind_tex_image(_EGLDriver *drv,
1317 _EGLDisplay *disp, _EGLSurface *surf, EGLint buffer)
1318 {
1319 struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
1320 struct dri2_egl_surface *dri2_surf = dri2_egl_surface(surf);
1321 struct dri2_egl_context *dri2_ctx;
1322 _EGLContext *ctx;
1323 GLint format, target;
1324
1325 ctx = _eglGetCurrentContext();
1326 dri2_ctx = dri2_egl_context(ctx);
1327
1328 if (!_eglBindTexImage(drv, disp, surf, buffer))
1329 return EGL_FALSE;
1330
1331 switch (dri2_surf->base.TextureFormat) {
1332 case EGL_TEXTURE_RGB:
1333 format = __DRI_TEXTURE_FORMAT_RGB;
1334 break;
1335 case EGL_TEXTURE_RGBA:
1336 format = __DRI_TEXTURE_FORMAT_RGBA;
1337 break;
1338 default:
1339 assert(!"Unexpected texture format in dri2_bind_tex_image()");
1340 format = __DRI_TEXTURE_FORMAT_RGBA;
1341 }
1342
1343 switch (dri2_surf->base.TextureTarget) {
1344 case EGL_TEXTURE_2D:
1345 target = GL_TEXTURE_2D;
1346 break;
1347 default:
1348 target = GL_TEXTURE_2D;
1349 assert(!"Unexpected texture target in dri2_bind_tex_image()");
1350 }
1351
1352 (*dri2_dpy->tex_buffer->setTexBuffer2)(dri2_ctx->dri_context,
1353 target, format,
1354 dri2_surf->dri_drawable);
1355
1356 return EGL_TRUE;
1357 }
1358
1359 static EGLBoolean
1360 dri2_release_tex_image(_EGLDriver *drv,
1361 _EGLDisplay *disp, _EGLSurface *surf, EGLint buffer)
1362 {
1363 struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
1364 struct dri2_egl_surface *dri2_surf = dri2_egl_surface(surf);
1365 struct dri2_egl_context *dri2_ctx;
1366 _EGLContext *ctx;
1367 GLint target;
1368
1369 ctx = _eglGetCurrentContext();
1370 dri2_ctx = dri2_egl_context(ctx);
1371
1372 if (!_eglReleaseTexImage(drv, disp, surf, buffer))
1373 return EGL_FALSE;
1374
1375 switch (dri2_surf->base.TextureTarget) {
1376 case EGL_TEXTURE_2D:
1377 target = GL_TEXTURE_2D;
1378 break;
1379 default:
1380 assert(0);
1381 }
1382
1383 if (dri2_dpy->tex_buffer->base.version >= 3 &&
1384 dri2_dpy->tex_buffer->releaseTexBuffer != NULL) {
1385 (*dri2_dpy->tex_buffer->releaseTexBuffer)(dri2_ctx->dri_context,
1386 target,
1387 dri2_surf->dri_drawable);
1388 }
1389
1390 return EGL_TRUE;
1391 }
1392
1393 static _EGLImage*
1394 dri2_create_image(_EGLDriver *drv, _EGLDisplay *dpy, _EGLContext *ctx,
1395 EGLenum target, EGLClientBuffer buffer,
1396 const EGLint *attr_list)
1397 {
1398 struct dri2_egl_display *dri2_dpy = dri2_egl_display(dpy);
1399 return dri2_dpy->vtbl->create_image(drv, dpy, ctx, target, buffer,
1400 attr_list);
1401 }
1402
1403 static _EGLImage *
1404 dri2_create_image_from_dri(_EGLDisplay *disp, __DRIimage *dri_image)
1405 {
1406 struct dri2_egl_image *dri2_img;
1407
1408 if (dri_image == NULL) {
1409 _eglError(EGL_BAD_ALLOC, "dri2_create_image");
1410 return NULL;
1411 }
1412
1413 dri2_img = malloc(sizeof *dri2_img);
1414 if (!dri2_img) {
1415 _eglError(EGL_BAD_ALLOC, "dri2_create_image");
1416 return NULL;
1417 }
1418
1419 if (!_eglInitImage(&dri2_img->base, disp)) {
1420 free(dri2_img);
1421 return NULL;
1422 }
1423
1424 dri2_img->dri_image = dri_image;
1425
1426 return &dri2_img->base;
1427 }
1428
1429 static _EGLImage *
1430 dri2_create_image_khr_renderbuffer(_EGLDisplay *disp, _EGLContext *ctx,
1431 EGLClientBuffer buffer,
1432 const EGLint *attr_list)
1433 {
1434 struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
1435 struct dri2_egl_context *dri2_ctx = dri2_egl_context(ctx);
1436 GLuint renderbuffer = (GLuint) (uintptr_t) buffer;
1437 __DRIimage *dri_image;
1438
1439 if (renderbuffer == 0) {
1440 _eglError(EGL_BAD_PARAMETER, "dri2_create_image_khr");
1441 return EGL_NO_IMAGE_KHR;
1442 }
1443
1444 dri_image =
1445 dri2_dpy->image->createImageFromRenderbuffer(dri2_ctx->dri_context,
1446 renderbuffer, NULL);
1447
1448 return dri2_create_image_from_dri(disp, dri_image);
1449 }
1450
1451 #ifdef HAVE_WAYLAND_PLATFORM
1452
1453 /* This structure describes how a wl_buffer maps to one or more
1454 * __DRIimages. A wl_drm_buffer stores the wl_drm format code and the
1455 * offsets and strides of the planes in the buffer. This table maps a
1456 * wl_drm format code to a description of the planes in the buffer
1457 * that lets us create a __DRIimage for each of the planes. */
1458
1459 static const struct wl_drm_components_descriptor {
1460 uint32_t dri_components;
1461 EGLint components;
1462 int nplanes;
1463 } wl_drm_components[] = {
1464 { __DRI_IMAGE_COMPONENTS_RGB, EGL_TEXTURE_RGB, 1 },
1465 { __DRI_IMAGE_COMPONENTS_RGBA, EGL_TEXTURE_RGBA, 1 },
1466 { __DRI_IMAGE_COMPONENTS_Y_U_V, EGL_TEXTURE_Y_U_V_WL, 3 },
1467 { __DRI_IMAGE_COMPONENTS_Y_UV, EGL_TEXTURE_Y_UV_WL, 2 },
1468 { __DRI_IMAGE_COMPONENTS_Y_XUXV, EGL_TEXTURE_Y_XUXV_WL, 2 },
1469 };
1470
1471 static _EGLImage *
1472 dri2_create_image_wayland_wl_buffer(_EGLDisplay *disp, _EGLContext *ctx,
1473 EGLClientBuffer _buffer,
1474 const EGLint *attr_list)
1475 {
1476 struct wl_drm_buffer *buffer;
1477 struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
1478 const struct wl_drm_components_descriptor *f;
1479 __DRIimage *dri_image;
1480 _EGLImageAttribs attrs;
1481 EGLint err;
1482 int32_t plane;
1483
1484 buffer = wayland_drm_buffer_get(dri2_dpy->wl_server_drm,
1485 (struct wl_resource *) _buffer);
1486 if (!buffer)
1487 return NULL;
1488
1489 err = _eglParseImageAttribList(&attrs, disp, attr_list);
1490 plane = attrs.PlaneWL;
1491 if (err != EGL_SUCCESS) {
1492 _eglError(EGL_BAD_PARAMETER, "dri2_create_image_wayland_wl_buffer");
1493 return NULL;
1494 }
1495
1496 f = buffer->driver_format;
1497 if (plane < 0 || plane >= f->nplanes) {
1498 _eglError(EGL_BAD_PARAMETER,
1499 "dri2_create_image_wayland_wl_buffer (plane out of bounds)");
1500 return NULL;
1501 }
1502
1503 dri_image = dri2_dpy->image->fromPlanar(buffer->driver_buffer, plane, NULL);
1504
1505 if (dri_image == NULL) {
1506 _eglError(EGL_BAD_PARAMETER, "dri2_create_image_wayland_wl_buffer");
1507 return NULL;
1508 }
1509
1510 return dri2_create_image_from_dri(disp, dri_image);
1511 }
1512 #endif
1513
1514 static EGLBoolean
1515 dri2_get_sync_values_chromium(_EGLDisplay *dpy, _EGLSurface *surf,
1516 EGLuint64KHR *ust, EGLuint64KHR *msc,
1517 EGLuint64KHR *sbc)
1518 {
1519 struct dri2_egl_display *dri2_dpy = dri2_egl_display(dpy);
1520 return dri2_dpy->vtbl->get_sync_values(dpy, surf, ust, msc, sbc);
1521 }
1522
1523 /**
1524 * Set the error code after a call to
1525 * dri2_egl_image::dri_image::createImageFromTexture.
1526 */
1527 static void
1528 dri2_create_image_khr_texture_error(int dri_error)
1529 {
1530 EGLint egl_error;
1531
1532 switch (dri_error) {
1533 case __DRI_IMAGE_ERROR_SUCCESS:
1534 return;
1535
1536 case __DRI_IMAGE_ERROR_BAD_ALLOC:
1537 egl_error = EGL_BAD_ALLOC;
1538 break;
1539
1540 case __DRI_IMAGE_ERROR_BAD_MATCH:
1541 egl_error = EGL_BAD_MATCH;
1542 break;
1543
1544 case __DRI_IMAGE_ERROR_BAD_PARAMETER:
1545 egl_error = EGL_BAD_PARAMETER;
1546 break;
1547
1548 case __DRI_IMAGE_ERROR_BAD_ACCESS:
1549 egl_error = EGL_BAD_ACCESS;
1550 break;
1551
1552 default:
1553 assert(0);
1554 egl_error = EGL_BAD_MATCH;
1555 break;
1556 }
1557
1558 _eglError(egl_error, "dri2_create_image_khr_texture");
1559 }
1560
1561 static _EGLImage *
1562 dri2_create_image_khr_texture(_EGLDisplay *disp, _EGLContext *ctx,
1563 EGLenum target,
1564 EGLClientBuffer buffer,
1565 const EGLint *attr_list)
1566 {
1567 struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
1568 struct dri2_egl_context *dri2_ctx = dri2_egl_context(ctx);
1569 struct dri2_egl_image *dri2_img;
1570 GLuint texture = (GLuint) (uintptr_t) buffer;
1571 _EGLImageAttribs attrs;
1572 GLuint depth;
1573 GLenum gl_target;
1574 unsigned error;
1575
1576 if (texture == 0) {
1577 _eglError(EGL_BAD_PARAMETER, "dri2_create_image_khr");
1578 return EGL_NO_IMAGE_KHR;
1579 }
1580
1581 if (_eglParseImageAttribList(&attrs, disp, attr_list) != EGL_SUCCESS)
1582 return EGL_NO_IMAGE_KHR;
1583
1584 switch (target) {
1585 case EGL_GL_TEXTURE_2D_KHR:
1586 depth = 0;
1587 gl_target = GL_TEXTURE_2D;
1588 break;
1589 case EGL_GL_TEXTURE_3D_KHR:
1590 if (disp->Extensions.KHR_gl_texture_3D_image) {
1591 depth = attrs.GLTextureZOffset;
1592 gl_target = GL_TEXTURE_3D;
1593 break;
1594 }
1595 else {
1596 _eglError(EGL_BAD_PARAMETER, "dri2_create_image_khr");
1597 return EGL_NO_IMAGE_KHR;
1598 }
1599 case EGL_GL_TEXTURE_CUBE_MAP_POSITIVE_X_KHR:
1600 case EGL_GL_TEXTURE_CUBE_MAP_NEGATIVE_X_KHR:
1601 case EGL_GL_TEXTURE_CUBE_MAP_POSITIVE_Y_KHR:
1602 case EGL_GL_TEXTURE_CUBE_MAP_NEGATIVE_Y_KHR:
1603 case EGL_GL_TEXTURE_CUBE_MAP_POSITIVE_Z_KHR:
1604 case EGL_GL_TEXTURE_CUBE_MAP_NEGATIVE_Z_KHR:
1605 depth = target - EGL_GL_TEXTURE_CUBE_MAP_POSITIVE_X_KHR;
1606 gl_target = GL_TEXTURE_CUBE_MAP;
1607 break;
1608 default:
1609 _eglError(EGL_BAD_PARAMETER, "dri2_create_image_khr");
1610 return EGL_NO_IMAGE_KHR;
1611 }
1612
1613 dri2_img = malloc(sizeof *dri2_img);
1614 if (!dri2_img) {
1615 _eglError(EGL_BAD_ALLOC, "dri2_create_image_khr");
1616 return EGL_NO_IMAGE_KHR;
1617 }
1618
1619 if (!_eglInitImage(&dri2_img->base, disp)) {
1620 _eglError(EGL_BAD_ALLOC, "dri2_create_image_khr");
1621 free(dri2_img);
1622 return EGL_NO_IMAGE_KHR;
1623 }
1624
1625 dri2_img->dri_image =
1626 dri2_dpy->image->createImageFromTexture(dri2_ctx->dri_context,
1627 gl_target,
1628 texture,
1629 depth,
1630 attrs.GLTextureLevel,
1631 &error,
1632 dri2_img);
1633 dri2_create_image_khr_texture_error(error);
1634
1635 if (!dri2_img->dri_image) {
1636 free(dri2_img);
1637 return EGL_NO_IMAGE_KHR;
1638 }
1639 return &dri2_img->base;
1640 }
1641
1642 static struct wl_buffer*
1643 dri2_create_wayland_buffer_from_image(_EGLDriver *drv, _EGLDisplay *dpy,
1644 _EGLImage *img)
1645 {
1646 struct dri2_egl_display *dri2_dpy = dri2_egl_display(dpy);
1647 return dri2_dpy->vtbl->create_wayland_buffer_from_image(drv, dpy, img);
1648 }
1649
1650 #ifdef HAVE_LIBDRM
1651 static _EGLImage *
1652 dri2_create_image_mesa_drm_buffer(_EGLDisplay *disp, _EGLContext *ctx,
1653 EGLClientBuffer buffer, const EGLint *attr_list)
1654 {
1655 struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
1656 EGLint format, name, pitch, err;
1657 _EGLImageAttribs attrs;
1658 __DRIimage *dri_image;
1659
1660 name = (EGLint) (uintptr_t) buffer;
1661
1662 err = _eglParseImageAttribList(&attrs, disp, attr_list);
1663 if (err != EGL_SUCCESS)
1664 return NULL;
1665
1666 if (attrs.Width <= 0 || attrs.Height <= 0 ||
1667 attrs.DRMBufferStrideMESA <= 0) {
1668 _eglError(EGL_BAD_PARAMETER,
1669 "bad width, height or stride");
1670 return NULL;
1671 }
1672
1673 switch (attrs.DRMBufferFormatMESA) {
1674 case EGL_DRM_BUFFER_FORMAT_ARGB32_MESA:
1675 format = __DRI_IMAGE_FORMAT_ARGB8888;
1676 pitch = attrs.DRMBufferStrideMESA;
1677 break;
1678 default:
1679 _eglError(EGL_BAD_PARAMETER,
1680 "dri2_create_image_khr: unsupported pixmap depth");
1681 return NULL;
1682 }
1683
1684 dri_image =
1685 dri2_dpy->image->createImageFromName(dri2_dpy->dri_screen,
1686 attrs.Width,
1687 attrs.Height,
1688 format,
1689 name,
1690 pitch,
1691 NULL);
1692
1693 return dri2_create_image_from_dri(disp, dri_image);
1694 }
1695
1696 static EGLBoolean
1697 dri2_check_dma_buf_attribs(const _EGLImageAttribs *attrs)
1698 {
1699 unsigned i;
1700
1701 /**
1702 * The spec says:
1703 *
1704 * "Required attributes and their values are as follows:
1705 *
1706 * * EGL_WIDTH & EGL_HEIGHT: The logical dimensions of the buffer in pixels
1707 *
1708 * * EGL_LINUX_DRM_FOURCC_EXT: The pixel format of the buffer, as specified
1709 * by drm_fourcc.h and used as the pixel_format parameter of the
1710 * drm_mode_fb_cmd2 ioctl."
1711 *
1712 * and
1713 *
1714 * "* If <target> is EGL_LINUX_DMA_BUF_EXT, and the list of attributes is
1715 * incomplete, EGL_BAD_PARAMETER is generated."
1716 */
1717 if (attrs->Width <= 0 || attrs->Height <= 0 ||
1718 !attrs->DMABufFourCC.IsPresent) {
1719 _eglError(EGL_BAD_PARAMETER, "attribute(s) missing");
1720 return EGL_FALSE;
1721 }
1722
1723 /**
1724 * Also:
1725 *
1726 * "If <target> is EGL_LINUX_DMA_BUF_EXT and one or more of the values
1727 * specified for a plane's pitch or offset isn't supported by EGL,
1728 * EGL_BAD_ACCESS is generated."
1729 */
1730 for (i = 0; i < ARRAY_SIZE(attrs->DMABufPlanePitches); ++i) {
1731 if (attrs->DMABufPlanePitches[i].IsPresent &&
1732 attrs->DMABufPlanePitches[i].Value <= 0) {
1733 _eglError(EGL_BAD_ACCESS, "invalid pitch");
1734 return EGL_FALSE;
1735 }
1736 }
1737
1738 return EGL_TRUE;
1739 }
1740
1741 /* Returns the total number of file descriptors. Zero indicates an error. */
1742 static unsigned
1743 dri2_check_dma_buf_format(const _EGLImageAttribs *attrs)
1744 {
1745 unsigned i, plane_n;
1746
1747 switch (attrs->DMABufFourCC.Value) {
1748 case DRM_FORMAT_R8:
1749 case DRM_FORMAT_RG88:
1750 case DRM_FORMAT_GR88:
1751 case DRM_FORMAT_RGB332:
1752 case DRM_FORMAT_BGR233:
1753 case DRM_FORMAT_XRGB4444:
1754 case DRM_FORMAT_XBGR4444:
1755 case DRM_FORMAT_RGBX4444:
1756 case DRM_FORMAT_BGRX4444:
1757 case DRM_FORMAT_ARGB4444:
1758 case DRM_FORMAT_ABGR4444:
1759 case DRM_FORMAT_RGBA4444:
1760 case DRM_FORMAT_BGRA4444:
1761 case DRM_FORMAT_XRGB1555:
1762 case DRM_FORMAT_XBGR1555:
1763 case DRM_FORMAT_RGBX5551:
1764 case DRM_FORMAT_BGRX5551:
1765 case DRM_FORMAT_ARGB1555:
1766 case DRM_FORMAT_ABGR1555:
1767 case DRM_FORMAT_RGBA5551:
1768 case DRM_FORMAT_BGRA5551:
1769 case DRM_FORMAT_RGB565:
1770 case DRM_FORMAT_BGR565:
1771 case DRM_FORMAT_RGB888:
1772 case DRM_FORMAT_BGR888:
1773 case DRM_FORMAT_XRGB8888:
1774 case DRM_FORMAT_XBGR8888:
1775 case DRM_FORMAT_RGBX8888:
1776 case DRM_FORMAT_BGRX8888:
1777 case DRM_FORMAT_ARGB8888:
1778 case DRM_FORMAT_ABGR8888:
1779 case DRM_FORMAT_RGBA8888:
1780 case DRM_FORMAT_BGRA8888:
1781 case DRM_FORMAT_XRGB2101010:
1782 case DRM_FORMAT_XBGR2101010:
1783 case DRM_FORMAT_RGBX1010102:
1784 case DRM_FORMAT_BGRX1010102:
1785 case DRM_FORMAT_ARGB2101010:
1786 case DRM_FORMAT_ABGR2101010:
1787 case DRM_FORMAT_RGBA1010102:
1788 case DRM_FORMAT_BGRA1010102:
1789 case DRM_FORMAT_YUYV:
1790 case DRM_FORMAT_YVYU:
1791 case DRM_FORMAT_UYVY:
1792 case DRM_FORMAT_VYUY:
1793 plane_n = 1;
1794 break;
1795 case DRM_FORMAT_NV12:
1796 case DRM_FORMAT_NV21:
1797 case DRM_FORMAT_NV16:
1798 case DRM_FORMAT_NV61:
1799 plane_n = 2;
1800 break;
1801 case DRM_FORMAT_YUV410:
1802 case DRM_FORMAT_YVU410:
1803 case DRM_FORMAT_YUV411:
1804 case DRM_FORMAT_YVU411:
1805 case DRM_FORMAT_YUV420:
1806 case DRM_FORMAT_YVU420:
1807 case DRM_FORMAT_YUV422:
1808 case DRM_FORMAT_YVU422:
1809 case DRM_FORMAT_YUV444:
1810 case DRM_FORMAT_YVU444:
1811 plane_n = 3;
1812 break;
1813 default:
1814 _eglError(EGL_BAD_ATTRIBUTE, "invalid format");
1815 return 0;
1816 }
1817
1818 /**
1819 * The spec says:
1820 *
1821 * "* If <target> is EGL_LINUX_DMA_BUF_EXT, and the list of attributes is
1822 * incomplete, EGL_BAD_PARAMETER is generated."
1823 */
1824 for (i = 0; i < plane_n; ++i) {
1825 if (!attrs->DMABufPlaneFds[i].IsPresent ||
1826 !attrs->DMABufPlaneOffsets[i].IsPresent ||
1827 !attrs->DMABufPlanePitches[i].IsPresent) {
1828 _eglError(EGL_BAD_PARAMETER, "plane attribute(s) missing");
1829 return 0;
1830 }
1831 }
1832
1833 /**
1834 * The spec also says:
1835 *
1836 * "If <target> is EGL_LINUX_DMA_BUF_EXT, and the EGL_LINUX_DRM_FOURCC_EXT
1837 * attribute indicates a single-plane format, EGL_BAD_ATTRIBUTE is
1838 * generated if any of the EGL_DMA_BUF_PLANE1_* or EGL_DMA_BUF_PLANE2_*
1839 * attributes are specified."
1840 */
1841 for (i = plane_n; i < 3; ++i) {
1842 if (attrs->DMABufPlaneFds[i].IsPresent ||
1843 attrs->DMABufPlaneOffsets[i].IsPresent ||
1844 attrs->DMABufPlanePitches[i].IsPresent) {
1845 _eglError(EGL_BAD_ATTRIBUTE, "too many plane attributes");
1846 return 0;
1847 }
1848 }
1849
1850 return plane_n;
1851 }
1852
1853 /**
1854 * The spec says:
1855 *
1856 * "If eglCreateImageKHR is successful for a EGL_LINUX_DMA_BUF_EXT target, the
1857 * EGL will take a reference to the dma_buf(s) which it will release at any
1858 * time while the EGLDisplay is initialized. It is the responsibility of the
1859 * application to close the dma_buf file descriptors."
1860 *
1861 * Therefore we must never close or otherwise modify the file descriptors.
1862 */
1863 static _EGLImage *
1864 dri2_create_image_dma_buf(_EGLDisplay *disp, _EGLContext *ctx,
1865 EGLClientBuffer buffer, const EGLint *attr_list)
1866 {
1867 struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
1868 _EGLImage *res;
1869 EGLint err;
1870 _EGLImageAttribs attrs;
1871 __DRIimage *dri_image;
1872 unsigned num_fds;
1873 unsigned i;
1874 int fds[3];
1875 int pitches[3];
1876 int offsets[3];
1877 unsigned error;
1878
1879 /**
1880 * The spec says:
1881 *
1882 * ""* If <target> is EGL_LINUX_DMA_BUF_EXT and <buffer> is not NULL, the
1883 * error EGL_BAD_PARAMETER is generated."
1884 */
1885 if (buffer != NULL) {
1886 _eglError(EGL_BAD_PARAMETER, "buffer not NULL");
1887 return NULL;
1888 }
1889
1890 err = _eglParseImageAttribList(&attrs, disp, attr_list);
1891 if (err != EGL_SUCCESS) {
1892 _eglError(err, "bad attribute");
1893 return NULL;
1894 }
1895
1896 if (!dri2_check_dma_buf_attribs(&attrs))
1897 return NULL;
1898
1899 num_fds = dri2_check_dma_buf_format(&attrs);
1900 if (!num_fds)
1901 return NULL;
1902
1903 for (i = 0; i < num_fds; ++i) {
1904 fds[i] = attrs.DMABufPlaneFds[i].Value;
1905 pitches[i] = attrs.DMABufPlanePitches[i].Value;
1906 offsets[i] = attrs.DMABufPlaneOffsets[i].Value;
1907 }
1908
1909 dri_image =
1910 dri2_dpy->image->createImageFromDmaBufs(dri2_dpy->dri_screen,
1911 attrs.Width, attrs.Height, attrs.DMABufFourCC.Value,
1912 fds, num_fds, pitches, offsets,
1913 attrs.DMABufYuvColorSpaceHint.Value,
1914 attrs.DMABufSampleRangeHint.Value,
1915 attrs.DMABufChromaHorizontalSiting.Value,
1916 attrs.DMABufChromaVerticalSiting.Value,
1917 &error,
1918 NULL);
1919 dri2_create_image_khr_texture_error(error);
1920
1921 if (!dri_image)
1922 return EGL_NO_IMAGE_KHR;
1923
1924 res = dri2_create_image_from_dri(disp, dri_image);
1925
1926 return res;
1927 }
1928 static _EGLImage *
1929 dri2_create_drm_image_mesa(_EGLDriver *drv, _EGLDisplay *disp,
1930 const EGLint *attr_list)
1931 {
1932 struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
1933 struct dri2_egl_image *dri2_img;
1934 _EGLImageAttribs attrs;
1935 unsigned int dri_use, valid_mask;
1936 int format;
1937 EGLint err = EGL_SUCCESS;
1938
1939 (void) drv;
1940
1941 dri2_img = malloc(sizeof *dri2_img);
1942 if (!dri2_img) {
1943 _eglError(EGL_BAD_ALLOC, "dri2_create_image_khr");
1944 return EGL_NO_IMAGE_KHR;
1945 }
1946
1947 if (!attr_list) {
1948 err = EGL_BAD_PARAMETER;
1949 goto cleanup_img;
1950 }
1951
1952 if (!_eglInitImage(&dri2_img->base, disp)) {
1953 err = EGL_BAD_PARAMETER;
1954 goto cleanup_img;
1955 }
1956
1957 err = _eglParseImageAttribList(&attrs, disp, attr_list);
1958 if (err != EGL_SUCCESS)
1959 goto cleanup_img;
1960
1961 if (attrs.Width <= 0 || attrs.Height <= 0) {
1962 _eglLog(_EGL_WARNING, "bad width or height (%dx%d)",
1963 attrs.Width, attrs.Height);
1964 goto cleanup_img;
1965 }
1966
1967 switch (attrs.DRMBufferFormatMESA) {
1968 case EGL_DRM_BUFFER_FORMAT_ARGB32_MESA:
1969 format = __DRI_IMAGE_FORMAT_ARGB8888;
1970 break;
1971 default:
1972 _eglLog(_EGL_WARNING, "bad image format value 0x%04x",
1973 attrs.DRMBufferFormatMESA);
1974 goto cleanup_img;
1975 }
1976
1977 valid_mask =
1978 EGL_DRM_BUFFER_USE_SCANOUT_MESA |
1979 EGL_DRM_BUFFER_USE_SHARE_MESA |
1980 EGL_DRM_BUFFER_USE_CURSOR_MESA;
1981 if (attrs.DRMBufferUseMESA & ~valid_mask) {
1982 _eglLog(_EGL_WARNING, "bad image use bit 0x%04x",
1983 attrs.DRMBufferUseMESA & ~valid_mask);
1984 goto cleanup_img;
1985 }
1986
1987 dri_use = 0;
1988 if (attrs.DRMBufferUseMESA & EGL_DRM_BUFFER_USE_SHARE_MESA)
1989 dri_use |= __DRI_IMAGE_USE_SHARE;
1990 if (attrs.DRMBufferUseMESA & EGL_DRM_BUFFER_USE_SCANOUT_MESA)
1991 dri_use |= __DRI_IMAGE_USE_SCANOUT;
1992 if (attrs.DRMBufferUseMESA & EGL_DRM_BUFFER_USE_CURSOR_MESA)
1993 dri_use |= __DRI_IMAGE_USE_CURSOR;
1994
1995 dri2_img->dri_image =
1996 dri2_dpy->image->createImage(dri2_dpy->dri_screen,
1997 attrs.Width, attrs.Height,
1998 format, dri_use, dri2_img);
1999 if (dri2_img->dri_image == NULL) {
2000 err = EGL_BAD_ALLOC;
2001 goto cleanup_img;
2002 }
2003
2004 return &dri2_img->base;
2005
2006 cleanup_img:
2007 free(dri2_img);
2008 _eglError(err, "dri2_create_drm_image_mesa");
2009
2010 return EGL_NO_IMAGE_KHR;
2011 }
2012
2013 static EGLBoolean
2014 dri2_export_drm_image_mesa(_EGLDriver *drv, _EGLDisplay *disp, _EGLImage *img,
2015 EGLint *name, EGLint *handle, EGLint *stride)
2016 {
2017 struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
2018 struct dri2_egl_image *dri2_img = dri2_egl_image(img);
2019
2020 (void) drv;
2021
2022 if (name && !dri2_dpy->image->queryImage(dri2_img->dri_image,
2023 __DRI_IMAGE_ATTRIB_NAME, name)) {
2024 _eglError(EGL_BAD_ALLOC, "dri2_export_drm_image_mesa");
2025 return EGL_FALSE;
2026 }
2027
2028 if (handle)
2029 dri2_dpy->image->queryImage(dri2_img->dri_image,
2030 __DRI_IMAGE_ATTRIB_HANDLE, handle);
2031
2032 if (stride)
2033 dri2_dpy->image->queryImage(dri2_img->dri_image,
2034 __DRI_IMAGE_ATTRIB_STRIDE, stride);
2035
2036 return EGL_TRUE;
2037 }
2038
2039 static EGLBoolean
2040 dri2_export_dma_buf_image_query_mesa(_EGLDriver *drv, _EGLDisplay *disp,
2041 _EGLImage *img,
2042 EGLint *fourcc, EGLint *nplanes,
2043 EGLuint64KHR *modifiers)
2044 {
2045 struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
2046 struct dri2_egl_image *dri2_img = dri2_egl_image(img);
2047
2048 (void) drv;
2049
2050
2051 if (nplanes)
2052 dri2_dpy->image->queryImage(dri2_img->dri_image,
2053 __DRI_IMAGE_ATTRIB_NUM_PLANES, nplanes);
2054 if (fourcc)
2055 dri2_dpy->image->queryImage(dri2_img->dri_image,
2056 __DRI_IMAGE_ATTRIB_FOURCC, fourcc);
2057
2058 if (modifiers)
2059 *modifiers = 0;
2060
2061 return EGL_TRUE;
2062 }
2063
2064 static EGLBoolean
2065 dri2_export_dma_buf_image_mesa(_EGLDriver *drv, _EGLDisplay *disp, _EGLImage *img,
2066 int *fds, EGLint *strides, EGLint *offsets)
2067 {
2068 struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
2069 struct dri2_egl_image *dri2_img = dri2_egl_image(img);
2070
2071 (void) drv;
2072
2073 /* rework later to provide multiple fds/strides/offsets */
2074 if (fds)
2075 dri2_dpy->image->queryImage(dri2_img->dri_image,
2076 __DRI_IMAGE_ATTRIB_FD, fds);
2077
2078 if (strides)
2079 dri2_dpy->image->queryImage(dri2_img->dri_image,
2080 __DRI_IMAGE_ATTRIB_STRIDE, strides);
2081
2082 if (offsets)
2083 offsets[0] = 0;
2084
2085 return EGL_TRUE;
2086 }
2087
2088 #endif
2089
2090 _EGLImage *
2091 dri2_create_image_khr(_EGLDriver *drv, _EGLDisplay *disp,
2092 _EGLContext *ctx, EGLenum target,
2093 EGLClientBuffer buffer, const EGLint *attr_list)
2094 {
2095 (void) drv;
2096
2097 switch (target) {
2098 case EGL_GL_TEXTURE_2D_KHR:
2099 case EGL_GL_TEXTURE_CUBE_MAP_POSITIVE_X_KHR:
2100 case EGL_GL_TEXTURE_CUBE_MAP_NEGATIVE_X_KHR:
2101 case EGL_GL_TEXTURE_CUBE_MAP_POSITIVE_Y_KHR:
2102 case EGL_GL_TEXTURE_CUBE_MAP_NEGATIVE_Y_KHR:
2103 case EGL_GL_TEXTURE_CUBE_MAP_POSITIVE_Z_KHR:
2104 case EGL_GL_TEXTURE_CUBE_MAP_NEGATIVE_Z_KHR:
2105 return dri2_create_image_khr_texture(disp, ctx, target, buffer, attr_list);
2106 case EGL_GL_TEXTURE_3D_KHR:
2107 if (disp->Extensions.KHR_gl_texture_3D_image) {
2108 return dri2_create_image_khr_texture(disp, ctx, target, buffer, attr_list);
2109 }
2110 else {
2111 _eglError(EGL_BAD_PARAMETER, "dri2_create_image_khr");
2112 return EGL_NO_IMAGE_KHR;
2113 }
2114 case EGL_GL_RENDERBUFFER_KHR:
2115 return dri2_create_image_khr_renderbuffer(disp, ctx, buffer, attr_list);
2116 #ifdef HAVE_LIBDRM
2117 case EGL_DRM_BUFFER_MESA:
2118 return dri2_create_image_mesa_drm_buffer(disp, ctx, buffer, attr_list);
2119 case EGL_LINUX_DMA_BUF_EXT:
2120 return dri2_create_image_dma_buf(disp, ctx, buffer, attr_list);
2121 #endif
2122 #ifdef HAVE_WAYLAND_PLATFORM
2123 case EGL_WAYLAND_BUFFER_WL:
2124 return dri2_create_image_wayland_wl_buffer(disp, ctx, buffer, attr_list);
2125 #endif
2126 default:
2127 _eglError(EGL_BAD_PARAMETER, "dri2_create_image_khr");
2128 return EGL_NO_IMAGE_KHR;
2129 }
2130 }
2131
2132 static EGLBoolean
2133 dri2_destroy_image_khr(_EGLDriver *drv, _EGLDisplay *disp, _EGLImage *image)
2134 {
2135 struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
2136 struct dri2_egl_image *dri2_img = dri2_egl_image(image);
2137
2138 (void) drv;
2139
2140 dri2_dpy->image->destroyImage(dri2_img->dri_image);
2141 free(dri2_img);
2142
2143 return EGL_TRUE;
2144 }
2145
2146 #ifdef HAVE_WAYLAND_PLATFORM
2147
2148 static void
2149 dri2_wl_reference_buffer(void *user_data, uint32_t name, int fd,
2150 struct wl_drm_buffer *buffer)
2151 {
2152 _EGLDisplay *disp = user_data;
2153 struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
2154 __DRIimage *img;
2155 int i, dri_components = 0;
2156
2157 if (fd == -1)
2158 img = dri2_dpy->image->createImageFromNames(dri2_dpy->dri_screen,
2159 buffer->width,
2160 buffer->height,
2161 buffer->format,
2162 (int*)&name, 1,
2163 buffer->stride,
2164 buffer->offset,
2165 NULL);
2166 else
2167 img = dri2_dpy->image->createImageFromFds(dri2_dpy->dri_screen,
2168 buffer->width,
2169 buffer->height,
2170 buffer->format,
2171 &fd, 1,
2172 buffer->stride,
2173 buffer->offset,
2174 NULL);
2175
2176 if (img == NULL)
2177 return;
2178
2179 dri2_dpy->image->queryImage(img, __DRI_IMAGE_ATTRIB_COMPONENTS, &dri_components);
2180
2181 buffer->driver_format = NULL;
2182 for (i = 0; i < ARRAY_SIZE(wl_drm_components); i++)
2183 if (wl_drm_components[i].dri_components == dri_components)
2184 buffer->driver_format = &wl_drm_components[i];
2185
2186 if (buffer->driver_format == NULL)
2187 dri2_dpy->image->destroyImage(img);
2188 else
2189 buffer->driver_buffer = img;
2190 }
2191
2192 static void
2193 dri2_wl_release_buffer(void *user_data, struct wl_drm_buffer *buffer)
2194 {
2195 _EGLDisplay *disp = user_data;
2196 struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
2197
2198 dri2_dpy->image->destroyImage(buffer->driver_buffer);
2199 }
2200
2201 static struct wayland_drm_callbacks wl_drm_callbacks = {
2202 .authenticate = NULL,
2203 .reference_buffer = dri2_wl_reference_buffer,
2204 .release_buffer = dri2_wl_release_buffer
2205 };
2206
2207 static EGLBoolean
2208 dri2_bind_wayland_display_wl(_EGLDriver *drv, _EGLDisplay *disp,
2209 struct wl_display *wl_dpy)
2210 {
2211 struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
2212 int flags = 0;
2213 uint64_t cap;
2214
2215 (void) drv;
2216
2217 if (dri2_dpy->wl_server_drm)
2218 return EGL_FALSE;
2219
2220 wl_drm_callbacks.authenticate =
2221 (int(*)(void *, uint32_t)) dri2_dpy->vtbl->authenticate;
2222
2223 if (drmGetCap(dri2_dpy->fd, DRM_CAP_PRIME, &cap) == 0 &&
2224 cap == (DRM_PRIME_CAP_IMPORT | DRM_PRIME_CAP_EXPORT) &&
2225 dri2_dpy->image->base.version >= 7 &&
2226 dri2_dpy->image->createImageFromFds != NULL)
2227 flags |= WAYLAND_DRM_PRIME;
2228
2229 dri2_dpy->wl_server_drm =
2230 wayland_drm_init(wl_dpy, dri2_dpy->device_name,
2231 &wl_drm_callbacks, disp, flags);
2232
2233 if (!dri2_dpy->wl_server_drm)
2234 return EGL_FALSE;
2235
2236 #ifdef HAVE_DRM_PLATFORM
2237 /* We have to share the wl_drm instance with gbm, so gbm can convert
2238 * wl_buffers to gbm bos. */
2239 if (dri2_dpy->gbm_dri)
2240 dri2_dpy->gbm_dri->wl_drm = dri2_dpy->wl_server_drm;
2241 #endif
2242
2243 return EGL_TRUE;
2244 }
2245
2246 static EGLBoolean
2247 dri2_unbind_wayland_display_wl(_EGLDriver *drv, _EGLDisplay *disp,
2248 struct wl_display *wl_dpy)
2249 {
2250 struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
2251
2252 (void) drv;
2253
2254 if (!dri2_dpy->wl_server_drm)
2255 return EGL_FALSE;
2256
2257 wayland_drm_uninit(dri2_dpy->wl_server_drm);
2258 dri2_dpy->wl_server_drm = NULL;
2259
2260 return EGL_TRUE;
2261 }
2262
2263 static EGLBoolean
2264 dri2_query_wayland_buffer_wl(_EGLDriver *drv, _EGLDisplay *disp,
2265 struct wl_resource *buffer_resource,
2266 EGLint attribute, EGLint *value)
2267 {
2268 struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
2269 struct wl_drm_buffer *buffer;
2270 const struct wl_drm_components_descriptor *format;
2271
2272 buffer = wayland_drm_buffer_get(dri2_dpy->wl_server_drm, buffer_resource);
2273 if (!buffer)
2274 return EGL_FALSE;
2275
2276 format = buffer->driver_format;
2277 switch (attribute) {
2278 case EGL_TEXTURE_FORMAT:
2279 *value = format->components;
2280 return EGL_TRUE;
2281 case EGL_WIDTH:
2282 *value = buffer->width;
2283 return EGL_TRUE;
2284 case EGL_HEIGHT:
2285 *value = buffer->height;
2286 return EGL_TRUE;
2287 }
2288
2289 return EGL_FALSE;
2290 }
2291 #endif
2292
2293 static void
2294 dri2_egl_ref_sync(struct dri2_egl_sync *sync)
2295 {
2296 p_atomic_inc(&sync->refcount);
2297 }
2298
2299 static void
2300 dri2_egl_unref_sync(struct dri2_egl_display *dri2_dpy,
2301 struct dri2_egl_sync *dri2_sync)
2302 {
2303 if (p_atomic_dec_zero(&dri2_sync->refcount)) {
2304 dri2_dpy->fence->destroy_fence(dri2_dpy->dri_screen, dri2_sync->fence);
2305 free(dri2_sync);
2306 }
2307 }
2308
2309 static _EGLSync *
2310 dri2_create_sync(_EGLDriver *drv, _EGLDisplay *dpy,
2311 EGLenum type, const EGLint *attrib_list,
2312 const EGLAttrib *attrib_list64)
2313 {
2314 _EGLContext *ctx = _eglGetCurrentContext();
2315 struct dri2_egl_display *dri2_dpy = dri2_egl_display(dpy);
2316 struct dri2_egl_context *dri2_ctx = dri2_egl_context(ctx);
2317 struct dri2_egl_sync *dri2_sync;
2318
2319 dri2_sync = calloc(1, sizeof(struct dri2_egl_sync));
2320 if (!dri2_sync) {
2321 _eglError(EGL_BAD_ALLOC, "eglCreateSyncKHR");
2322 return NULL;
2323 }
2324
2325 if (!_eglInitSync(&dri2_sync->base, dpy, type, attrib_list,
2326 attrib_list64)) {
2327 free(dri2_sync);
2328 return NULL;
2329 }
2330
2331 switch (type) {
2332 case EGL_SYNC_FENCE_KHR:
2333 dri2_sync->fence = dri2_dpy->fence->create_fence(dri2_ctx->dri_context);
2334 if (!dri2_sync->fence) {
2335 /* Why did it fail? DRI doesn't return an error code, so we emit
2336 * a generic EGL error that doesn't communicate user error.
2337 */
2338 _eglError(EGL_BAD_ALLOC, "eglCreateSyncKHR");
2339 free(dri2_sync);
2340 return NULL;
2341 }
2342 break;
2343
2344 case EGL_SYNC_CL_EVENT_KHR:
2345 dri2_sync->fence = dri2_dpy->fence->get_fence_from_cl_event(
2346 dri2_dpy->dri_screen,
2347 dri2_sync->base.CLEvent);
2348 /* this can only happen if the cl_event passed in is invalid. */
2349 if (!dri2_sync->fence) {
2350 _eglError(EGL_BAD_ATTRIBUTE, "eglCreateSyncKHR");
2351 free(dri2_sync);
2352 return NULL;
2353 }
2354
2355 /* the initial status must be "signaled" if the cl_event is signaled */
2356 if (dri2_dpy->fence->client_wait_sync(dri2_ctx->dri_context,
2357 dri2_sync->fence, 0, 0))
2358 dri2_sync->base.SyncStatus = EGL_SIGNALED_KHR;
2359 break;
2360 }
2361
2362 p_atomic_set(&dri2_sync->refcount, 1);
2363 return &dri2_sync->base;
2364 }
2365
2366 static EGLBoolean
2367 dri2_destroy_sync(_EGLDriver *drv, _EGLDisplay *dpy, _EGLSync *sync)
2368 {
2369 struct dri2_egl_display *dri2_dpy = dri2_egl_display(dpy);
2370 struct dri2_egl_sync *dri2_sync = dri2_egl_sync(sync);
2371
2372 dri2_egl_unref_sync(dri2_dpy, dri2_sync);
2373 return EGL_TRUE;
2374 }
2375
2376 static EGLint
2377 dri2_client_wait_sync(_EGLDriver *drv, _EGLDisplay *dpy, _EGLSync *sync,
2378 EGLint flags, EGLTime timeout)
2379 {
2380 _EGLContext *ctx = _eglGetCurrentContext();
2381 struct dri2_egl_display *dri2_dpy = dri2_egl_display(dpy);
2382 struct dri2_egl_context *dri2_ctx = dri2_egl_context(ctx);
2383 struct dri2_egl_sync *dri2_sync = dri2_egl_sync(sync);
2384 unsigned wait_flags = 0;
2385 EGLint ret = EGL_CONDITION_SATISFIED_KHR;
2386
2387 if (flags & EGL_SYNC_FLUSH_COMMANDS_BIT_KHR)
2388 wait_flags |= __DRI2_FENCE_FLAG_FLUSH_COMMANDS;
2389
2390 /* the sync object should take a reference while waiting */
2391 dri2_egl_ref_sync(dri2_sync);
2392
2393 if (dri2_dpy->fence->client_wait_sync(dri2_ctx->dri_context,
2394 dri2_sync->fence, wait_flags,
2395 timeout))
2396 dri2_sync->base.SyncStatus = EGL_SIGNALED_KHR;
2397 else
2398 ret = EGL_TIMEOUT_EXPIRED_KHR;
2399
2400 dri2_egl_unref_sync(dri2_dpy, dri2_sync);
2401 return ret;
2402 }
2403
2404 static EGLint
2405 dri2_server_wait_sync(_EGLDriver *drv, _EGLDisplay *dpy, _EGLSync *sync)
2406 {
2407 _EGLContext *ctx = _eglGetCurrentContext();
2408 struct dri2_egl_display *dri2_dpy = dri2_egl_display(dpy);
2409 struct dri2_egl_context *dri2_ctx = dri2_egl_context(ctx);
2410 struct dri2_egl_sync *dri2_sync = dri2_egl_sync(sync);
2411
2412 dri2_dpy->fence->server_wait_sync(dri2_ctx->dri_context,
2413 dri2_sync->fence, 0);
2414 return EGL_TRUE;
2415 }
2416
2417 static void
2418 dri2_unload(_EGLDriver *drv)
2419 {
2420 struct dri2_egl_driver *dri2_drv = dri2_egl_driver(drv);
2421
2422 if (dri2_drv->handle)
2423 dlclose(dri2_drv->handle);
2424 free(dri2_drv);
2425 }
2426
2427 static EGLBoolean
2428 dri2_load(_EGLDriver *drv)
2429 {
2430 struct dri2_egl_driver *dri2_drv = dri2_egl_driver(drv);
2431 #ifdef HAVE_ANDROID_PLATFORM
2432 const char *libname = "libglapi.so";
2433 #elif defined(__APPLE__)
2434 const char *libname = "libglapi.0.dylib";
2435 #else
2436 const char *libname = "libglapi.so.0";
2437 #endif
2438 void *handle;
2439
2440 /* RTLD_GLOBAL to make sure glapi symbols are visible to DRI drivers */
2441 handle = dlopen(libname, RTLD_LAZY | RTLD_GLOBAL);
2442 if (handle) {
2443 dri2_drv->get_proc_address = (_EGLProc (*)(const char *))
2444 dlsym(handle, "_glapi_get_proc_address");
2445 if (!dri2_drv->get_proc_address || !libname) {
2446 /* no need to keep a reference */
2447 dlclose(handle);
2448 handle = NULL;
2449 }
2450 }
2451
2452 /* if glapi is not available, loading DRI drivers will fail */
2453 if (!dri2_drv->get_proc_address) {
2454 _eglLog(_EGL_WARNING, "DRI2: failed to find _glapi_get_proc_address");
2455 return EGL_FALSE;
2456 }
2457
2458 dri2_drv->glFlush = (void (*)(void))
2459 dri2_drv->get_proc_address("glFlush");
2460
2461 dri2_drv->handle = handle;
2462
2463 return EGL_TRUE;
2464 }
2465
2466 /**
2467 * This is the main entrypoint into the driver, called by libEGL.
2468 * Create a new _EGLDriver object and init its dispatch table.
2469 */
2470 _EGLDriver *
2471 _eglBuiltInDriverDRI2(const char *args)
2472 {
2473 struct dri2_egl_driver *dri2_drv;
2474
2475 (void) args;
2476
2477 dri2_drv = calloc(1, sizeof *dri2_drv);
2478 if (!dri2_drv)
2479 return NULL;
2480
2481 if (!dri2_load(&dri2_drv->base)) {
2482 free(dri2_drv);
2483 return NULL;
2484 }
2485
2486 _eglInitDriverFallbacks(&dri2_drv->base);
2487 dri2_drv->base.API.Initialize = dri2_initialize;
2488 dri2_drv->base.API.Terminate = dri2_terminate;
2489 dri2_drv->base.API.CreateContext = dri2_create_context;
2490 dri2_drv->base.API.DestroyContext = dri2_destroy_context;
2491 dri2_drv->base.API.MakeCurrent = dri2_make_current;
2492 dri2_drv->base.API.CreateWindowSurface = dri2_create_window_surface;
2493 dri2_drv->base.API.CreatePixmapSurface = dri2_create_pixmap_surface;
2494 dri2_drv->base.API.CreatePbufferSurface = dri2_create_pbuffer_surface;
2495 dri2_drv->base.API.DestroySurface = dri2_destroy_surface;
2496 dri2_drv->base.API.GetProcAddress = dri2_get_proc_address;
2497 dri2_drv->base.API.WaitClient = dri2_wait_client;
2498 dri2_drv->base.API.WaitNative = dri2_wait_native;
2499 dri2_drv->base.API.BindTexImage = dri2_bind_tex_image;
2500 dri2_drv->base.API.ReleaseTexImage = dri2_release_tex_image;
2501 dri2_drv->base.API.SwapInterval = dri2_swap_interval;
2502 dri2_drv->base.API.SwapBuffers = dri2_swap_buffers;
2503 dri2_drv->base.API.SwapBuffersWithDamageEXT = dri2_swap_buffers_with_damage;
2504 dri2_drv->base.API.SwapBuffersRegionNOK = dri2_swap_buffers_region;
2505 dri2_drv->base.API.PostSubBufferNV = dri2_post_sub_buffer;
2506 dri2_drv->base.API.CopyBuffers = dri2_copy_buffers,
2507 dri2_drv->base.API.QueryBufferAge = dri2_query_buffer_age;
2508 dri2_drv->base.API.CreateImageKHR = dri2_create_image;
2509 dri2_drv->base.API.DestroyImageKHR = dri2_destroy_image_khr;
2510 dri2_drv->base.API.CreateWaylandBufferFromImageWL = dri2_create_wayland_buffer_from_image;
2511 #ifdef HAVE_LIBDRM
2512 dri2_drv->base.API.CreateDRMImageMESA = dri2_create_drm_image_mesa;
2513 dri2_drv->base.API.ExportDRMImageMESA = dri2_export_drm_image_mesa;
2514 dri2_drv->base.API.ExportDMABUFImageQueryMESA = dri2_export_dma_buf_image_query_mesa;
2515 dri2_drv->base.API.ExportDMABUFImageMESA = dri2_export_dma_buf_image_mesa;
2516 #endif
2517 #ifdef HAVE_WAYLAND_PLATFORM
2518 dri2_drv->base.API.BindWaylandDisplayWL = dri2_bind_wayland_display_wl;
2519 dri2_drv->base.API.UnbindWaylandDisplayWL = dri2_unbind_wayland_display_wl;
2520 dri2_drv->base.API.QueryWaylandBufferWL = dri2_query_wayland_buffer_wl;
2521 #endif
2522 dri2_drv->base.API.GetSyncValuesCHROMIUM = dri2_get_sync_values_chromium;
2523 dri2_drv->base.API.CreateSyncKHR = dri2_create_sync;
2524 dri2_drv->base.API.ClientWaitSyncKHR = dri2_client_wait_sync;
2525 dri2_drv->base.API.WaitSyncKHR = dri2_server_wait_sync;
2526 dri2_drv->base.API.DestroySyncKHR = dri2_destroy_sync;
2527
2528 dri2_drv->base.Name = "DRI2";
2529 dri2_drv->base.Unload = dri2_unload;
2530
2531 return &dri2_drv->base;
2532 }