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egl/android: Delete set_damage_region from egl dri vtbl
[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 #include <stdbool.h>
29 #include <stdint.h>
30 #include <stdbool.h>
31 #include <stdlib.h>
32 #include <string.h>
33 #include <stdio.h>
34 #include <limits.h>
35 #include <dlfcn.h>
36 #include <fcntl.h>
37 #include <errno.h>
38 #include <unistd.h>
39 #include <c11/threads.h>
40 #include <time.h>
41 #ifdef HAVE_LIBDRM
42 #include <xf86drm.h>
43 #include "drm-uapi/drm_fourcc.h"
44 #endif
45 #include <GL/gl.h>
46 #include <GL/internal/dri_interface.h>
47 #include <sys/types.h>
48 #include <sys/stat.h>
49
50 #ifdef HAVE_WAYLAND_PLATFORM
51 #include <wayland-client.h>
52 #include "wayland-drm.h"
53 #include "wayland-drm-client-protocol.h"
54 #include "linux-dmabuf-unstable-v1-client-protocol.h"
55 #endif
56
57 #ifdef HAVE_X11_PLATFORM
58 #include "X11/Xlibint.h"
59 #endif
60
61 #include "egldefines.h"
62 #include "egl_dri2.h"
63 #include "GL/mesa_glinterop.h"
64 #include "loader/loader.h"
65 #include "util/u_atomic.h"
66 #include "util/u_vector.h"
67 #include "mapi/glapi/glapi.h"
68
69 /* Additional definitions not yet in the drm_fourcc.h.
70 */
71 #ifndef DRM_FORMAT_P010
72 #define DRM_FORMAT_P010 fourcc_code('P', '0', '1', '0') /* 2x2 subsampled Cb:Cr plane 10 bits per channel */
73 #endif
74
75 #ifndef DRM_FORMAT_P012
76 #define DRM_FORMAT_P012 fourcc_code('P', '0', '1', '2') /* 2x2 subsampled Cb:Cr plane 12 bits per channel */
77 #endif
78
79 #ifndef DRM_FORMAT_P016
80 #define DRM_FORMAT_P016 fourcc_code('P', '0', '1', '6') /* 2x2 subsampled Cb:Cr plane 16 bits per channel */
81 #endif
82
83 #define NUM_ATTRIBS 12
84
85 static void
86 dri_set_background_context(void *loaderPrivate)
87 {
88 _EGLContext *ctx = _eglGetCurrentContext();
89 _EGLThreadInfo *t = _eglGetCurrentThread();
90
91 _eglBindContextToThread(ctx, t);
92 }
93
94 static void
95 dri2_gl_flush()
96 {
97 static void (*glFlush)(void);
98 static mtx_t glFlushMutex = _MTX_INITIALIZER_NP;
99
100 mtx_lock(&glFlushMutex);
101 if (!glFlush)
102 glFlush = _glapi_get_proc_address("glFlush");
103 mtx_unlock(&glFlushMutex);
104
105 /* if glFlush is not available things are horribly broken */
106 if (!glFlush) {
107 _eglLog(_EGL_WARNING, "DRI2: failed to find glFlush entry point");
108 return;
109 }
110
111 glFlush();
112 }
113
114 static GLboolean
115 dri_is_thread_safe(void *loaderPrivate)
116 {
117 struct dri2_egl_surface *dri2_surf = loaderPrivate;
118 UNUSED _EGLDisplay *display = dri2_surf->base.Resource.Display;
119
120 #ifdef HAVE_X11_PLATFORM
121 Display *xdpy = (Display*)display->PlatformDisplay;
122
123 /* Check Xlib is running in thread safe mode when running on EGL/X11-xlib
124 * platform
125 *
126 * 'lock_fns' is the XLockDisplay function pointer of the X11 display 'dpy'.
127 * It wll be NULL if XInitThreads wasn't called.
128 */
129 if (display->Platform == _EGL_PLATFORM_X11 && xdpy && !xdpy->lock_fns)
130 return false;
131 #endif
132
133 #ifdef HAVE_WAYLAND_PLATFORM
134 if (display->Platform == _EGL_PLATFORM_WAYLAND)
135 return true;
136 #endif
137
138 return true;
139 }
140
141 const __DRIbackgroundCallableExtension background_callable_extension = {
142 .base = { __DRI_BACKGROUND_CALLABLE, 2 },
143
144 .setBackgroundContext = dri_set_background_context,
145 .isThreadSafe = dri_is_thread_safe,
146 };
147
148 const __DRIuseInvalidateExtension use_invalidate = {
149 .base = { __DRI_USE_INVALIDATE, 1 }
150 };
151
152 static const EGLint dri2_to_egl_attribute_map[__DRI_ATTRIB_MAX] = {
153 [__DRI_ATTRIB_BUFFER_SIZE ] = EGL_BUFFER_SIZE,
154 [__DRI_ATTRIB_LEVEL] = EGL_LEVEL,
155 [__DRI_ATTRIB_RED_SIZE] = EGL_RED_SIZE,
156 [__DRI_ATTRIB_GREEN_SIZE] = EGL_GREEN_SIZE,
157 [__DRI_ATTRIB_BLUE_SIZE] = EGL_BLUE_SIZE,
158 [__DRI_ATTRIB_LUMINANCE_SIZE] = EGL_LUMINANCE_SIZE,
159 [__DRI_ATTRIB_ALPHA_SIZE] = EGL_ALPHA_SIZE,
160 [__DRI_ATTRIB_DEPTH_SIZE] = EGL_DEPTH_SIZE,
161 [__DRI_ATTRIB_STENCIL_SIZE] = EGL_STENCIL_SIZE,
162 [__DRI_ATTRIB_SAMPLE_BUFFERS] = EGL_SAMPLE_BUFFERS,
163 [__DRI_ATTRIB_SAMPLES] = EGL_SAMPLES,
164 [__DRI_ATTRIB_MAX_PBUFFER_WIDTH] = EGL_MAX_PBUFFER_WIDTH,
165 [__DRI_ATTRIB_MAX_PBUFFER_HEIGHT] = EGL_MAX_PBUFFER_HEIGHT,
166 [__DRI_ATTRIB_MAX_PBUFFER_PIXELS] = EGL_MAX_PBUFFER_PIXELS,
167 [__DRI_ATTRIB_MAX_SWAP_INTERVAL] = EGL_MAX_SWAP_INTERVAL,
168 [__DRI_ATTRIB_MIN_SWAP_INTERVAL] = EGL_MIN_SWAP_INTERVAL,
169 [__DRI_ATTRIB_YINVERTED] = EGL_Y_INVERTED_NOK,
170 };
171
172 const __DRIconfig *
173 dri2_get_dri_config(struct dri2_egl_config *conf, EGLint surface_type,
174 EGLenum colorspace)
175 {
176 const bool double_buffer = surface_type == EGL_WINDOW_BIT;
177 const bool srgb = colorspace == EGL_GL_COLORSPACE_SRGB_KHR;
178
179 return conf->dri_config[double_buffer][srgb];
180 }
181
182 static EGLBoolean
183 dri2_match_config(const _EGLConfig *conf, const _EGLConfig *criteria)
184 {
185 if (_eglCompareConfigs(conf, criteria, NULL, EGL_FALSE) != 0)
186 return EGL_FALSE;
187
188 if (!_eglMatchConfig(conf, criteria))
189 return EGL_FALSE;
190
191 return EGL_TRUE;
192 }
193
194 struct dri2_egl_config *
195 dri2_add_config(_EGLDisplay *disp, const __DRIconfig *dri_config, int id,
196 EGLint surface_type, const EGLint *attr_list,
197 const unsigned int *rgba_masks)
198 {
199 struct dri2_egl_config *conf;
200 struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
201 _EGLConfig base;
202 unsigned int attrib, value, double_buffer;
203 bool srgb = false;
204 EGLint key, bind_to_texture_rgb, bind_to_texture_rgba;
205 unsigned int dri_masks[4] = { 0, 0, 0, 0 };
206 _EGLConfig *matching_config;
207 EGLint num_configs = 0;
208 EGLint config_id;
209
210 _eglInitConfig(&base, disp, id);
211
212 double_buffer = 0;
213 bind_to_texture_rgb = 0;
214 bind_to_texture_rgba = 0;
215
216 for (int i = 0; i < __DRI_ATTRIB_MAX; ++i) {
217 if (!dri2_dpy->core->indexConfigAttrib(dri_config, i, &attrib, &value))
218 break;
219
220 switch (attrib) {
221 case __DRI_ATTRIB_RENDER_TYPE:
222 if (value & __DRI_ATTRIB_RGBA_BIT)
223 value = EGL_RGB_BUFFER;
224 else if (value & __DRI_ATTRIB_LUMINANCE_BIT)
225 value = EGL_LUMINANCE_BUFFER;
226 else
227 return NULL;
228 _eglSetConfigKey(&base, EGL_COLOR_BUFFER_TYPE, value);
229 break;
230
231 case __DRI_ATTRIB_CONFIG_CAVEAT:
232 if (value & __DRI_ATTRIB_NON_CONFORMANT_CONFIG)
233 value = EGL_NON_CONFORMANT_CONFIG;
234 else if (value & __DRI_ATTRIB_SLOW_BIT)
235 value = EGL_SLOW_CONFIG;
236 else
237 value = EGL_NONE;
238 _eglSetConfigKey(&base, EGL_CONFIG_CAVEAT, value);
239 break;
240
241 case __DRI_ATTRIB_BIND_TO_TEXTURE_RGB:
242 bind_to_texture_rgb = value;
243 break;
244
245 case __DRI_ATTRIB_BIND_TO_TEXTURE_RGBA:
246 bind_to_texture_rgba = value;
247 break;
248
249 case __DRI_ATTRIB_DOUBLE_BUFFER:
250 double_buffer = value;
251 break;
252
253 case __DRI_ATTRIB_RED_MASK:
254 dri_masks[0] = value;
255 break;
256
257 case __DRI_ATTRIB_GREEN_MASK:
258 dri_masks[1] = value;
259 break;
260
261 case __DRI_ATTRIB_BLUE_MASK:
262 dri_masks[2] = value;
263 break;
264
265 case __DRI_ATTRIB_ALPHA_MASK:
266 dri_masks[3] = value;
267 break;
268
269 case __DRI_ATTRIB_ACCUM_RED_SIZE:
270 case __DRI_ATTRIB_ACCUM_GREEN_SIZE:
271 case __DRI_ATTRIB_ACCUM_BLUE_SIZE:
272 case __DRI_ATTRIB_ACCUM_ALPHA_SIZE:
273 /* Don't expose visuals with the accumulation buffer. */
274 if (value > 0)
275 return NULL;
276 break;
277
278 case __DRI_ATTRIB_FRAMEBUFFER_SRGB_CAPABLE:
279 srgb = value != 0;
280 if (!disp->Extensions.KHR_gl_colorspace && srgb)
281 return NULL;
282 break;
283
284 case __DRI_ATTRIB_MAX_PBUFFER_WIDTH:
285 _eglSetConfigKey(&base, EGL_MAX_PBUFFER_WIDTH,
286 _EGL_MAX_PBUFFER_WIDTH);
287 break;
288 case __DRI_ATTRIB_MAX_PBUFFER_HEIGHT:
289 _eglSetConfigKey(&base, EGL_MAX_PBUFFER_HEIGHT,
290 _EGL_MAX_PBUFFER_HEIGHT);
291 break;
292 case __DRI_ATTRIB_MUTABLE_RENDER_BUFFER:
293 if (disp->Extensions.KHR_mutable_render_buffer)
294 surface_type |= EGL_MUTABLE_RENDER_BUFFER_BIT_KHR;
295 break;
296 default:
297 key = dri2_to_egl_attribute_map[attrib];
298 if (key != 0)
299 _eglSetConfigKey(&base, key, value);
300 break;
301 }
302 }
303
304 if (attr_list)
305 for (int i = 0; attr_list[i] != EGL_NONE; i += 2)
306 _eglSetConfigKey(&base, attr_list[i], attr_list[i+1]);
307
308 if (rgba_masks && memcmp(rgba_masks, dri_masks, sizeof(dri_masks)))
309 return NULL;
310
311 base.NativeRenderable = EGL_TRUE;
312
313 base.SurfaceType = surface_type;
314 if (surface_type & (EGL_PBUFFER_BIT |
315 (disp->Extensions.NOK_texture_from_pixmap ? EGL_PIXMAP_BIT : 0))) {
316 base.BindToTextureRGB = bind_to_texture_rgb;
317 if (base.AlphaSize > 0)
318 base.BindToTextureRGBA = bind_to_texture_rgba;
319 }
320
321 base.RenderableType = disp->ClientAPIs;
322 base.Conformant = disp->ClientAPIs;
323
324 base.MinSwapInterval = dri2_dpy->min_swap_interval;
325 base.MaxSwapInterval = dri2_dpy->max_swap_interval;
326
327 if (!_eglValidateConfig(&base, EGL_FALSE)) {
328 _eglLog(_EGL_DEBUG, "DRI2: failed to validate config %d", id);
329 return NULL;
330 }
331
332 config_id = base.ConfigID;
333 base.ConfigID = EGL_DONT_CARE;
334 base.SurfaceType = EGL_DONT_CARE;
335 num_configs = _eglFilterArray(disp->Configs, (void **) &matching_config, 1,
336 (_EGLArrayForEach) dri2_match_config, &base);
337
338 if (num_configs == 1) {
339 conf = (struct dri2_egl_config *) matching_config;
340
341 if (!conf->dri_config[double_buffer][srgb])
342 conf->dri_config[double_buffer][srgb] = dri_config;
343 else
344 /* a similar config type is already added (unlikely) => discard */
345 return NULL;
346 }
347 else if (num_configs == 0) {
348 conf = calloc(1, sizeof *conf);
349 if (conf == NULL)
350 return NULL;
351
352 conf->dri_config[double_buffer][srgb] = dri_config;
353
354 memcpy(&conf->base, &base, sizeof base);
355 conf->base.SurfaceType = 0;
356 conf->base.ConfigID = config_id;
357
358 _eglLinkConfig(&conf->base);
359 }
360 else {
361 unreachable("duplicates should not be possible");
362 return NULL;
363 }
364
365 if (double_buffer) {
366 surface_type &= ~EGL_PIXMAP_BIT;
367 }
368
369 /* No support for pbuffer + MSAA for now.
370 *
371 * XXX TODO: pbuffer + MSAA does not work and causes crashes.
372 * See QT bugreport: https://bugreports.qt.io/browse/QTBUG-47509
373 */
374 if (base.Samples) {
375 surface_type &= ~EGL_PBUFFER_BIT;
376 }
377
378 conf->base.SurfaceType |= surface_type;
379
380 return conf;
381 }
382
383 __DRIimage *
384 dri2_lookup_egl_image(__DRIscreen *screen, void *image, void *data)
385 {
386 _EGLDisplay *disp = data;
387 struct dri2_egl_image *dri2_img;
388 _EGLImage *img;
389
390 (void) screen;
391
392 img = _eglLookupImage(image, disp);
393 if (img == NULL) {
394 _eglError(EGL_BAD_PARAMETER, "dri2_lookup_egl_image");
395 return NULL;
396 }
397
398 dri2_img = dri2_egl_image(image);
399
400 return dri2_img->dri_image;
401 }
402
403 const __DRIimageLookupExtension image_lookup_extension = {
404 .base = { __DRI_IMAGE_LOOKUP, 1 },
405
406 .lookupEGLImage = dri2_lookup_egl_image
407 };
408
409 struct dri2_extension_match {
410 const char *name;
411 int version;
412 int offset;
413 };
414
415 static const struct dri2_extension_match dri3_driver_extensions[] = {
416 { __DRI_CORE, 1, offsetof(struct dri2_egl_display, core) },
417 { __DRI_IMAGE_DRIVER, 1, offsetof(struct dri2_egl_display, image_driver) },
418 { NULL, 0, 0 }
419 };
420
421 static const struct dri2_extension_match dri2_driver_extensions[] = {
422 { __DRI_CORE, 1, offsetof(struct dri2_egl_display, core) },
423 { __DRI_DRI2, 2, offsetof(struct dri2_egl_display, dri2) },
424 { NULL, 0, 0 }
425 };
426
427 static const struct dri2_extension_match dri2_core_extensions[] = {
428 { __DRI2_FLUSH, 1, offsetof(struct dri2_egl_display, flush) },
429 { __DRI_TEX_BUFFER, 2, offsetof(struct dri2_egl_display, tex_buffer) },
430 { __DRI_IMAGE, 1, offsetof(struct dri2_egl_display, image) },
431 { NULL, 0, 0 }
432 };
433
434 static const struct dri2_extension_match swrast_driver_extensions[] = {
435 { __DRI_CORE, 1, offsetof(struct dri2_egl_display, core) },
436 { __DRI_SWRAST, 2, offsetof(struct dri2_egl_display, swrast) },
437 { NULL, 0, 0 }
438 };
439
440 static const struct dri2_extension_match swrast_core_extensions[] = {
441 { __DRI_TEX_BUFFER, 2, offsetof(struct dri2_egl_display, tex_buffer) },
442 { NULL, 0, 0 }
443 };
444
445 static const struct dri2_extension_match optional_driver_extensions[] = {
446 { __DRI_CONFIG_OPTIONS, 1, offsetof(struct dri2_egl_display, configOptions) },
447 { NULL, 0, 0 }
448 };
449
450 static const struct dri2_extension_match optional_core_extensions[] = {
451 { __DRI2_ROBUSTNESS, 1, offsetof(struct dri2_egl_display, robustness) },
452 { __DRI2_NO_ERROR, 1, offsetof(struct dri2_egl_display, no_error) },
453 { __DRI2_CONFIG_QUERY, 1, offsetof(struct dri2_egl_display, config) },
454 { __DRI2_FENCE, 1, offsetof(struct dri2_egl_display, fence) },
455 { __DRI2_RENDERER_QUERY, 1, offsetof(struct dri2_egl_display, rendererQuery) },
456 { __DRI2_INTEROP, 1, offsetof(struct dri2_egl_display, interop) },
457 { __DRI_IMAGE, 1, offsetof(struct dri2_egl_display, image) },
458 { __DRI2_FLUSH_CONTROL, 1, offsetof(struct dri2_egl_display, flush_control) },
459 { __DRI2_BLOB, 1, offsetof(struct dri2_egl_display, blob) },
460 { __DRI_MUTABLE_RENDER_BUFFER_DRIVER, 1, offsetof(struct dri2_egl_display, mutable_render_buffer) },
461 { NULL, 0, 0 }
462 };
463
464 static EGLBoolean
465 dri2_bind_extensions(struct dri2_egl_display *dri2_dpy,
466 const struct dri2_extension_match *matches,
467 const __DRIextension **extensions,
468 bool optional)
469 {
470 int ret = EGL_TRUE;
471 void *field;
472
473 for (int i = 0; extensions[i]; i++) {
474 _eglLog(_EGL_DEBUG, "found extension `%s'", extensions[i]->name);
475 for (int j = 0; matches[j].name; j++) {
476 if (strcmp(extensions[i]->name, matches[j].name) == 0 &&
477 extensions[i]->version >= matches[j].version) {
478 field = ((char *) dri2_dpy + matches[j].offset);
479 *(const __DRIextension **) field = extensions[i];
480 _eglLog(_EGL_INFO, "found extension %s version %d",
481 extensions[i]->name, extensions[i]->version);
482 break;
483 }
484 }
485 }
486
487 for (int j = 0; matches[j].name; j++) {
488 field = ((char *) dri2_dpy + matches[j].offset);
489 if (*(const __DRIextension **) field == NULL) {
490 if (optional) {
491 _eglLog(_EGL_DEBUG, "did not find optional extension %s version %d",
492 matches[j].name, matches[j].version);
493 } else {
494 _eglLog(_EGL_WARNING, "did not find extension %s version %d",
495 matches[j].name, matches[j].version);
496 ret = EGL_FALSE;
497 }
498 }
499 }
500
501 return ret;
502 }
503
504 static const __DRIextension **
505 dri2_open_driver(_EGLDisplay *disp)
506 {
507 struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
508 static const char *search_path_vars[] = {
509 "LIBGL_DRIVERS_PATH",
510 NULL,
511 };
512
513 return loader_open_driver(dri2_dpy->driver_name,
514 &dri2_dpy->driver,
515 search_path_vars);
516 }
517
518 static EGLBoolean
519 dri2_load_driver_common(_EGLDisplay *disp,
520 const struct dri2_extension_match *driver_extensions)
521 {
522 struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
523 const __DRIextension **extensions;
524
525 extensions = dri2_open_driver(disp);
526 if (!extensions)
527 return EGL_FALSE;
528
529 if (!dri2_bind_extensions(dri2_dpy, driver_extensions, extensions, false)) {
530 dlclose(dri2_dpy->driver);
531 return EGL_FALSE;
532 }
533 dri2_dpy->driver_extensions = extensions;
534
535 dri2_bind_extensions(dri2_dpy, optional_driver_extensions, extensions, true);
536
537 return EGL_TRUE;
538 }
539
540 EGLBoolean
541 dri2_load_driver(_EGLDisplay *disp)
542 {
543 return dri2_load_driver_common(disp, dri2_driver_extensions);
544 }
545
546 EGLBoolean
547 dri2_load_driver_dri3(_EGLDisplay *disp)
548 {
549 return dri2_load_driver_common(disp, dri3_driver_extensions);
550 }
551
552 EGLBoolean
553 dri2_load_driver_swrast(_EGLDisplay *disp)
554 {
555 return dri2_load_driver_common(disp, swrast_driver_extensions);
556 }
557
558 static unsigned
559 dri2_renderer_query_integer(struct dri2_egl_display *dri2_dpy, int param)
560 {
561 const __DRI2rendererQueryExtension *rendererQuery = dri2_dpy->rendererQuery;
562 unsigned int value = 0;
563
564 if (!rendererQuery ||
565 rendererQuery->queryInteger(dri2_dpy->dri_screen, param, &value) == -1)
566 return 0;
567
568 return value;
569 }
570
571 static const char *
572 dri2_query_driver_name(_EGLDisplay *disp)
573 {
574 struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
575 return dri2_dpy->driver_name;
576 }
577
578 static char *
579 dri2_query_driver_config(_EGLDisplay *disp)
580 {
581 struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
582 const __DRIconfigOptionsExtension *ext = dri2_dpy->configOptions;
583
584 if (ext->base.version >= 2)
585 return ext->getXml(dri2_dpy->driver_name);
586
587 return strdup(ext->xml);
588 }
589
590
591 void
592 dri2_setup_screen(_EGLDisplay *disp)
593 {
594 struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
595 unsigned int api_mask;
596
597 /*
598 * EGL 1.5 specification defines the default value to 1. Moreover,
599 * eglSwapInterval() is required to clamp requested value to the supported
600 * range. Since the default value is implicitly assumed to be supported,
601 * use it as both minimum and maximum for the platforms that do not allow
602 * changing the interval. Platforms, which allow it (e.g. x11, wayland)
603 * override these values already.
604 */
605 dri2_dpy->min_swap_interval = 1;
606 dri2_dpy->max_swap_interval = 1;
607 dri2_dpy->default_swap_interval = 1;
608
609 if (dri2_dpy->image_driver) {
610 api_mask = dri2_dpy->image_driver->getAPIMask(dri2_dpy->dri_screen);
611 } else if (dri2_dpy->dri2) {
612 api_mask = dri2_dpy->dri2->getAPIMask(dri2_dpy->dri_screen);
613 } else {
614 assert(dri2_dpy->swrast);
615 api_mask = 1 << __DRI_API_OPENGL |
616 1 << __DRI_API_GLES |
617 1 << __DRI_API_GLES2 |
618 1 << __DRI_API_GLES3;
619 }
620
621 disp->ClientAPIs = 0;
622 if ((api_mask & (1 <<__DRI_API_OPENGL)) && _eglIsApiValid(EGL_OPENGL_API))
623 disp->ClientAPIs |= EGL_OPENGL_BIT;
624 if ((api_mask & (1 << __DRI_API_GLES)) && _eglIsApiValid(EGL_OPENGL_ES_API))
625 disp->ClientAPIs |= EGL_OPENGL_ES_BIT;
626 if ((api_mask & (1 << __DRI_API_GLES2)) && _eglIsApiValid(EGL_OPENGL_ES_API))
627 disp->ClientAPIs |= EGL_OPENGL_ES2_BIT;
628 if ((api_mask & (1 << __DRI_API_GLES3)) && _eglIsApiValid(EGL_OPENGL_ES_API))
629 disp->ClientAPIs |= EGL_OPENGL_ES3_BIT_KHR;
630
631 assert(dri2_dpy->image_driver || dri2_dpy->dri2 || dri2_dpy->swrast);
632 disp->Extensions.KHR_no_config_context = EGL_TRUE;
633 disp->Extensions.KHR_surfaceless_context = EGL_TRUE;
634
635 if (dri2_dpy->configOptions) {
636 disp->Extensions.MESA_query_driver = EGL_TRUE;
637 }
638
639 /* Report back to EGL the bitmask of priorities supported */
640 disp->Extensions.IMG_context_priority =
641 dri2_renderer_query_integer(dri2_dpy,
642 __DRI2_RENDERER_HAS_CONTEXT_PRIORITY);
643
644 disp->Extensions.EXT_pixel_format_float = EGL_TRUE;
645
646 if (dri2_renderer_query_integer(dri2_dpy,
647 __DRI2_RENDERER_HAS_FRAMEBUFFER_SRGB))
648 disp->Extensions.KHR_gl_colorspace = EGL_TRUE;
649
650 if (dri2_dpy->image_driver ||
651 (dri2_dpy->dri2 && dri2_dpy->dri2->base.version >= 3) ||
652 (dri2_dpy->swrast && dri2_dpy->swrast->base.version >= 3)) {
653 disp->Extensions.KHR_create_context = EGL_TRUE;
654
655 if (dri2_dpy->robustness)
656 disp->Extensions.EXT_create_context_robustness = EGL_TRUE;
657 }
658
659 if (dri2_dpy->no_error)
660 disp->Extensions.KHR_create_context_no_error = EGL_TRUE;
661
662 if (dri2_dpy->fence) {
663 disp->Extensions.KHR_fence_sync = EGL_TRUE;
664 disp->Extensions.KHR_wait_sync = EGL_TRUE;
665 if (dri2_dpy->fence->get_fence_from_cl_event)
666 disp->Extensions.KHR_cl_event2 = EGL_TRUE;
667 if (dri2_dpy->fence->base.version >= 2 &&
668 dri2_dpy->fence->get_capabilities) {
669 unsigned capabilities =
670 dri2_dpy->fence->get_capabilities(dri2_dpy->dri_screen);
671 disp->Extensions.ANDROID_native_fence_sync =
672 (capabilities & __DRI_FENCE_CAP_NATIVE_FD) != 0;
673 }
674 }
675
676 if (dri2_dpy->blob)
677 disp->Extensions.ANDROID_blob_cache = EGL_TRUE;
678
679 disp->Extensions.KHR_reusable_sync = EGL_TRUE;
680
681 if (dri2_dpy->image) {
682 if (dri2_dpy->image->base.version >= 10 &&
683 dri2_dpy->image->getCapabilities != NULL) {
684 int capabilities;
685
686 capabilities = dri2_dpy->image->getCapabilities(dri2_dpy->dri_screen);
687 disp->Extensions.MESA_drm_image = (capabilities & __DRI_IMAGE_CAP_GLOBAL_NAMES) != 0;
688
689 if (dri2_dpy->image->base.version >= 11)
690 disp->Extensions.MESA_image_dma_buf_export = EGL_TRUE;
691 } else {
692 disp->Extensions.MESA_drm_image = EGL_TRUE;
693 if (dri2_dpy->image->base.version >= 11)
694 disp->Extensions.MESA_image_dma_buf_export = EGL_TRUE;
695 }
696
697 disp->Extensions.KHR_image_base = EGL_TRUE;
698 disp->Extensions.KHR_gl_renderbuffer_image = EGL_TRUE;
699 if (dri2_dpy->image->base.version >= 5 &&
700 dri2_dpy->image->createImageFromTexture) {
701 disp->Extensions.KHR_gl_texture_2D_image = EGL_TRUE;
702 disp->Extensions.KHR_gl_texture_cubemap_image = EGL_TRUE;
703
704 if (dri2_renderer_query_integer(dri2_dpy,
705 __DRI2_RENDERER_HAS_TEXTURE_3D))
706 disp->Extensions.KHR_gl_texture_3D_image = EGL_TRUE;
707 }
708 #ifdef HAVE_LIBDRM
709 if (dri2_dpy->image->base.version >= 8 &&
710 dri2_dpy->image->createImageFromDmaBufs) {
711 disp->Extensions.EXT_image_dma_buf_import = EGL_TRUE;
712 }
713 if (dri2_dpy->image->base.version >= 15 &&
714 dri2_dpy->image->createImageFromDmaBufs2 &&
715 dri2_dpy->image->queryDmaBufFormats &&
716 dri2_dpy->image->queryDmaBufModifiers) {
717 disp->Extensions.EXT_image_dma_buf_import_modifiers = EGL_TRUE;
718 }
719 #endif
720 }
721
722 if (dri2_dpy->flush_control)
723 disp->Extensions.KHR_context_flush_control = EGL_TRUE;
724 }
725
726 void
727 dri2_setup_swap_interval(_EGLDisplay *disp, int max_swap_interval)
728 {
729 struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
730 GLint vblank_mode = DRI_CONF_VBLANK_DEF_INTERVAL_1;
731
732 /* Allow driconf to override applications.*/
733 if (dri2_dpy->config)
734 dri2_dpy->config->configQueryi(dri2_dpy->dri_screen,
735 "vblank_mode", &vblank_mode);
736 switch (vblank_mode) {
737 case DRI_CONF_VBLANK_NEVER:
738 dri2_dpy->min_swap_interval = 0;
739 dri2_dpy->max_swap_interval = 0;
740 dri2_dpy->default_swap_interval = 0;
741 break;
742 case DRI_CONF_VBLANK_ALWAYS_SYNC:
743 dri2_dpy->min_swap_interval = 1;
744 dri2_dpy->max_swap_interval = max_swap_interval;
745 dri2_dpy->default_swap_interval = 1;
746 break;
747 case DRI_CONF_VBLANK_DEF_INTERVAL_0:
748 dri2_dpy->min_swap_interval = 0;
749 dri2_dpy->max_swap_interval = max_swap_interval;
750 dri2_dpy->default_swap_interval = 0;
751 break;
752 default:
753 case DRI_CONF_VBLANK_DEF_INTERVAL_1:
754 dri2_dpy->min_swap_interval = 0;
755 dri2_dpy->max_swap_interval = max_swap_interval;
756 dri2_dpy->default_swap_interval = 1;
757 break;
758 }
759 }
760
761 /* All platforms but DRM call this function to create the screen and populate
762 * the driver_configs. DRM inherits that information from its display - GBM.
763 */
764 EGLBoolean
765 dri2_create_screen(_EGLDisplay *disp)
766 {
767 struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
768
769 if (dri2_dpy->image_driver) {
770 dri2_dpy->dri_screen =
771 dri2_dpy->image_driver->createNewScreen2(0, dri2_dpy->fd,
772 dri2_dpy->loader_extensions,
773 dri2_dpy->driver_extensions,
774 &dri2_dpy->driver_configs,
775 disp);
776 } else if (dri2_dpy->dri2) {
777 if (dri2_dpy->dri2->base.version >= 4) {
778 dri2_dpy->dri_screen =
779 dri2_dpy->dri2->createNewScreen2(0, dri2_dpy->fd,
780 dri2_dpy->loader_extensions,
781 dri2_dpy->driver_extensions,
782 &dri2_dpy->driver_configs, disp);
783 } else {
784 dri2_dpy->dri_screen =
785 dri2_dpy->dri2->createNewScreen(0, dri2_dpy->fd,
786 dri2_dpy->loader_extensions,
787 &dri2_dpy->driver_configs, disp);
788 }
789 } else {
790 assert(dri2_dpy->swrast);
791 if (dri2_dpy->swrast->base.version >= 4) {
792 dri2_dpy->dri_screen =
793 dri2_dpy->swrast->createNewScreen2(0, dri2_dpy->loader_extensions,
794 dri2_dpy->driver_extensions,
795 &dri2_dpy->driver_configs, disp);
796 } else {
797 dri2_dpy->dri_screen =
798 dri2_dpy->swrast->createNewScreen(0, dri2_dpy->loader_extensions,
799 &dri2_dpy->driver_configs, disp);
800 }
801 }
802
803 if (dri2_dpy->dri_screen == NULL) {
804 _eglLog(_EGL_WARNING, "DRI2: failed to create dri screen");
805 return EGL_FALSE;
806 }
807
808 dri2_dpy->own_dri_screen = true;
809 return EGL_TRUE;
810 }
811
812 EGLBoolean
813 dri2_setup_extensions(_EGLDisplay *disp)
814 {
815 struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
816 const struct dri2_extension_match *mandatory_core_extensions;
817 const __DRIextension **extensions;
818
819 extensions = dri2_dpy->core->getExtensions(dri2_dpy->dri_screen);
820
821 if (dri2_dpy->image_driver || dri2_dpy->dri2)
822 mandatory_core_extensions = dri2_core_extensions;
823 else
824 mandatory_core_extensions = swrast_core_extensions;
825
826 if (!dri2_bind_extensions(dri2_dpy, mandatory_core_extensions, extensions, false))
827 return EGL_FALSE;
828
829 #ifdef HAVE_DRI3_MODIFIERS
830 dri2_dpy->multibuffers_available =
831 (dri2_dpy->dri3_major_version > 1 || (dri2_dpy->dri3_major_version == 1 &&
832 dri2_dpy->dri3_minor_version >= 2)) &&
833 (dri2_dpy->present_major_version > 1 || (dri2_dpy->present_major_version == 1 &&
834 dri2_dpy->present_minor_version >= 2)) &&
835 (dri2_dpy->image && dri2_dpy->image->base.version >= 15);
836 #endif
837
838 dri2_bind_extensions(dri2_dpy, optional_core_extensions, extensions, true);
839 return EGL_TRUE;
840 }
841
842 /**
843 * Called via eglInitialize(), GLX_drv->API.Initialize().
844 *
845 * This must be guaranteed to be called exactly once, even if eglInitialize is
846 * called many times (without a eglTerminate in between).
847 */
848 static EGLBoolean
849 dri2_initialize(_EGLDriver *drv, _EGLDisplay *disp)
850 {
851 EGLBoolean ret = EGL_FALSE;
852 struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
853
854 /* In the case where the application calls eglMakeCurrent(context1),
855 * eglTerminate, then eglInitialize again (without a call to eglReleaseThread
856 * or eglMakeCurrent(NULL) before that), dri2_dpy structure is still
857 * initialized, as we need it to be able to free context1 correctly.
858 *
859 * It would probably be safest to forcibly release the display with
860 * dri2_display_release, to make sure the display is reinitialized correctly.
861 * However, the EGL spec states that we need to keep a reference to the
862 * current context (so we cannot call dri2_make_current(NULL)), and therefore
863 * we would leak context1 as we would be missing the old display connection
864 * to free it up correctly.
865 */
866 if (dri2_dpy) {
867 dri2_dpy->ref_count++;
868 return EGL_TRUE;
869 }
870
871 loader_set_logger(_eglLog);
872
873 switch (disp->Platform) {
874 case _EGL_PLATFORM_SURFACELESS:
875 ret = dri2_initialize_surfaceless(drv, disp);
876 break;
877 case _EGL_PLATFORM_DEVICE:
878 ret = dri2_initialize_device(drv, disp);
879 break;
880 case _EGL_PLATFORM_X11:
881 ret = dri2_initialize_x11(drv, disp);
882 break;
883 case _EGL_PLATFORM_DRM:
884 ret = dri2_initialize_drm(drv, disp);
885 break;
886 case _EGL_PLATFORM_WAYLAND:
887 ret = dri2_initialize_wayland(drv, disp);
888 break;
889 case _EGL_PLATFORM_ANDROID:
890 ret = dri2_initialize_android(drv, disp);
891 break;
892 default:
893 unreachable("Callers ensure we cannot get here.");
894 return EGL_FALSE;
895 }
896
897 if (!ret)
898 return EGL_FALSE;
899
900 dri2_dpy = dri2_egl_display(disp);
901 dri2_dpy->ref_count++;
902
903 return EGL_TRUE;
904 }
905
906 /**
907 * Decrement display reference count, and free up display if necessary.
908 */
909 static void
910 dri2_display_release(_EGLDisplay *disp)
911 {
912 struct dri2_egl_display *dri2_dpy;
913
914 if (!disp)
915 return;
916
917 dri2_dpy = dri2_egl_display(disp);
918
919 assert(dri2_dpy->ref_count > 0);
920 dri2_dpy->ref_count--;
921
922 if (dri2_dpy->ref_count > 0)
923 return;
924
925 _eglCleanupDisplay(disp);
926 dri2_display_destroy(disp);
927 }
928
929 void
930 dri2_display_destroy(_EGLDisplay *disp)
931 {
932 struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
933
934 if (dri2_dpy->own_dri_screen) {
935 if (dri2_dpy->vtbl && dri2_dpy->vtbl->close_screen_notify)
936 dri2_dpy->vtbl->close_screen_notify(disp);
937 dri2_dpy->core->destroyScreen(dri2_dpy->dri_screen);
938 }
939 if (dri2_dpy->fd >= 0)
940 close(dri2_dpy->fd);
941 if (dri2_dpy->driver)
942 dlclose(dri2_dpy->driver);
943 free(dri2_dpy->driver_name);
944
945 #ifdef HAVE_WAYLAND_PLATFORM
946 free(dri2_dpy->device_name);
947 #endif
948
949 switch (disp->Platform) {
950 case _EGL_PLATFORM_X11:
951 dri2_teardown_x11(dri2_dpy);
952 break;
953 case _EGL_PLATFORM_DRM:
954 dri2_teardown_drm(dri2_dpy);
955 break;
956 case _EGL_PLATFORM_WAYLAND:
957 dri2_teardown_wayland(dri2_dpy);
958 break;
959 default:
960 /* TODO: add teardown for other platforms */
961 break;
962 }
963
964 /* The drm platform does not create the screen/driver_configs but reuses
965 * the ones from the gbm device. As such the gbm itself is responsible
966 * for the cleanup.
967 */
968 if (disp->Platform != _EGL_PLATFORM_DRM && dri2_dpy->driver_configs) {
969 for (unsigned i = 0; dri2_dpy->driver_configs[i]; i++)
970 free((__DRIconfig *) dri2_dpy->driver_configs[i]);
971 free(dri2_dpy->driver_configs);
972 }
973 free(dri2_dpy);
974 disp->DriverData = NULL;
975 }
976
977 __DRIbuffer *
978 dri2_egl_surface_alloc_local_buffer(struct dri2_egl_surface *dri2_surf,
979 unsigned int att, unsigned int format)
980 {
981 struct dri2_egl_display *dri2_dpy =
982 dri2_egl_display(dri2_surf->base.Resource.Display);
983
984 if (att >= ARRAY_SIZE(dri2_surf->local_buffers))
985 return NULL;
986
987 if (!dri2_surf->local_buffers[att]) {
988 dri2_surf->local_buffers[att] =
989 dri2_dpy->dri2->allocateBuffer(dri2_dpy->dri_screen, att, format,
990 dri2_surf->base.Width, dri2_surf->base.Height);
991 }
992
993 return dri2_surf->local_buffers[att];
994 }
995
996 void
997 dri2_egl_surface_free_local_buffers(struct dri2_egl_surface *dri2_surf)
998 {
999 struct dri2_egl_display *dri2_dpy =
1000 dri2_egl_display(dri2_surf->base.Resource.Display);
1001
1002 for (int i = 0; i < ARRAY_SIZE(dri2_surf->local_buffers); i++) {
1003 if (dri2_surf->local_buffers[i]) {
1004 dri2_dpy->dri2->releaseBuffer(dri2_dpy->dri_screen,
1005 dri2_surf->local_buffers[i]);
1006 dri2_surf->local_buffers[i] = NULL;
1007 }
1008 }
1009 }
1010
1011 /**
1012 * Called via eglTerminate(), drv->API.Terminate().
1013 *
1014 * This must be guaranteed to be called exactly once, even if eglTerminate is
1015 * called many times (without a eglInitialize in between).
1016 */
1017 static EGLBoolean
1018 dri2_terminate(_EGLDriver *drv, _EGLDisplay *disp)
1019 {
1020 /* Release all non-current Context/Surfaces. */
1021 _eglReleaseDisplayResources(drv, disp);
1022
1023 dri2_display_release(disp);
1024
1025 return EGL_TRUE;
1026 }
1027
1028 /**
1029 * Set the error code after a call to
1030 * dri2_egl_display::dri2::createContextAttribs.
1031 */
1032 static void
1033 dri2_create_context_attribs_error(int dri_error)
1034 {
1035 EGLint egl_error;
1036
1037 switch (dri_error) {
1038 case __DRI_CTX_ERROR_SUCCESS:
1039 return;
1040
1041 case __DRI_CTX_ERROR_NO_MEMORY:
1042 egl_error = EGL_BAD_ALLOC;
1043 break;
1044
1045 /* From the EGL_KHR_create_context spec, section "Errors":
1046 *
1047 * * If <config> does not support a client API context compatible
1048 * with the requested API major and minor version, [...] context flags,
1049 * and context reset notification behavior (for client API types where
1050 * these attributes are supported), then an EGL_BAD_MATCH error is
1051 * generated.
1052 *
1053 * * If an OpenGL ES context is requested and the values for
1054 * attributes EGL_CONTEXT_MAJOR_VERSION_KHR and
1055 * EGL_CONTEXT_MINOR_VERSION_KHR specify an OpenGL ES version that
1056 * is not defined, than an EGL_BAD_MATCH error is generated.
1057 *
1058 * * If an OpenGL context is requested, the requested version is
1059 * greater than 3.2, and the value for attribute
1060 * EGL_CONTEXT_OPENGL_PROFILE_MASK_KHR has no bits set; has any
1061 * bits set other than EGL_CONTEXT_OPENGL_CORE_PROFILE_BIT_KHR and
1062 * EGL_CONTEXT_OPENGL_COMPATIBILITY_PROFILE_BIT_KHR; has more than
1063 * one of these bits set; or if the implementation does not support
1064 * the requested profile, then an EGL_BAD_MATCH error is generated.
1065 */
1066 case __DRI_CTX_ERROR_BAD_API:
1067 case __DRI_CTX_ERROR_BAD_VERSION:
1068 case __DRI_CTX_ERROR_BAD_FLAG:
1069 egl_error = EGL_BAD_MATCH;
1070 break;
1071
1072 /* From the EGL_KHR_create_context spec, section "Errors":
1073 *
1074 * * If an attribute name or attribute value in <attrib_list> is not
1075 * recognized (including unrecognized bits in bitmask attributes),
1076 * then an EGL_BAD_ATTRIBUTE error is generated."
1077 */
1078 case __DRI_CTX_ERROR_UNKNOWN_ATTRIBUTE:
1079 case __DRI_CTX_ERROR_UNKNOWN_FLAG:
1080 egl_error = EGL_BAD_ATTRIBUTE;
1081 break;
1082
1083 default:
1084 assert(!"unknown dri_error code");
1085 egl_error = EGL_BAD_MATCH;
1086 break;
1087 }
1088
1089 _eglError(egl_error, "dri2_create_context");
1090 }
1091
1092 static bool
1093 dri2_fill_context_attribs(struct dri2_egl_context *dri2_ctx,
1094 struct dri2_egl_display *dri2_dpy,
1095 uint32_t *ctx_attribs,
1096 unsigned *num_attribs)
1097 {
1098 int pos = 0;
1099
1100 assert(*num_attribs >= NUM_ATTRIBS);
1101
1102 ctx_attribs[pos++] = __DRI_CTX_ATTRIB_MAJOR_VERSION;
1103 ctx_attribs[pos++] = dri2_ctx->base.ClientMajorVersion;
1104 ctx_attribs[pos++] = __DRI_CTX_ATTRIB_MINOR_VERSION;
1105 ctx_attribs[pos++] = dri2_ctx->base.ClientMinorVersion;
1106
1107 if (dri2_ctx->base.Flags != 0 || dri2_ctx->base.NoError) {
1108 /* If the implementation doesn't support the __DRI2_ROBUSTNESS
1109 * extension, don't even try to send it the robust-access flag.
1110 * It may explode. Instead, generate the required EGL error here.
1111 */
1112 if ((dri2_ctx->base.Flags & EGL_CONTEXT_OPENGL_ROBUST_ACCESS_BIT_KHR) != 0
1113 && !dri2_dpy->robustness) {
1114 _eglError(EGL_BAD_MATCH, "eglCreateContext");
1115 return false;
1116 }
1117
1118 ctx_attribs[pos++] = __DRI_CTX_ATTRIB_FLAGS;
1119 ctx_attribs[pos++] = dri2_ctx->base.Flags |
1120 (dri2_ctx->base.NoError ? __DRI_CTX_FLAG_NO_ERROR : 0);
1121 }
1122
1123 if (dri2_ctx->base.ResetNotificationStrategy != EGL_NO_RESET_NOTIFICATION_KHR) {
1124 /* If the implementation doesn't support the __DRI2_ROBUSTNESS
1125 * extension, don't even try to send it a reset strategy. It may
1126 * explode. Instead, generate the required EGL error here.
1127 */
1128 if (!dri2_dpy->robustness) {
1129 _eglError(EGL_BAD_CONFIG, "eglCreateContext");
1130 return false;
1131 }
1132
1133 ctx_attribs[pos++] = __DRI_CTX_ATTRIB_RESET_STRATEGY;
1134 ctx_attribs[pos++] = __DRI_CTX_RESET_LOSE_CONTEXT;
1135 }
1136
1137 if (dri2_ctx->base.ContextPriority != EGL_CONTEXT_PRIORITY_MEDIUM_IMG) {
1138 unsigned val;
1139
1140 switch (dri2_ctx->base.ContextPriority) {
1141 case EGL_CONTEXT_PRIORITY_HIGH_IMG:
1142 val = __DRI_CTX_PRIORITY_HIGH;
1143 break;
1144 case EGL_CONTEXT_PRIORITY_MEDIUM_IMG:
1145 val = __DRI_CTX_PRIORITY_MEDIUM;
1146 break;
1147 case EGL_CONTEXT_PRIORITY_LOW_IMG:
1148 val = __DRI_CTX_PRIORITY_LOW;
1149 break;
1150 default:
1151 _eglError(EGL_BAD_CONFIG, "eglCreateContext");
1152 return false;
1153 }
1154
1155 ctx_attribs[pos++] = __DRI_CTX_ATTRIB_PRIORITY;
1156 ctx_attribs[pos++] = val;
1157 }
1158
1159 if (dri2_ctx->base.ReleaseBehavior == EGL_CONTEXT_RELEASE_BEHAVIOR_NONE_KHR) {
1160 ctx_attribs[pos++] = __DRI_CTX_ATTRIB_RELEASE_BEHAVIOR;
1161 ctx_attribs[pos++] = __DRI_CTX_RELEASE_BEHAVIOR_NONE;
1162 }
1163
1164 *num_attribs = pos;
1165
1166 return true;
1167 }
1168
1169 /**
1170 * Called via eglCreateContext(), drv->API.CreateContext().
1171 */
1172 static _EGLContext *
1173 dri2_create_context(_EGLDriver *drv, _EGLDisplay *disp, _EGLConfig *conf,
1174 _EGLContext *share_list, const EGLint *attrib_list)
1175 {
1176 struct dri2_egl_context *dri2_ctx;
1177 struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
1178 struct dri2_egl_context *dri2_ctx_shared = dri2_egl_context(share_list);
1179 __DRIcontext *shared =
1180 dri2_ctx_shared ? dri2_ctx_shared->dri_context : NULL;
1181 struct dri2_egl_config *dri2_config = dri2_egl_config(conf);
1182 const __DRIconfig *dri_config;
1183 int api;
1184 unsigned error;
1185 unsigned num_attribs = NUM_ATTRIBS;
1186 uint32_t ctx_attribs[NUM_ATTRIBS];
1187
1188 (void) drv;
1189
1190 dri2_ctx = malloc(sizeof *dri2_ctx);
1191 if (!dri2_ctx) {
1192 _eglError(EGL_BAD_ALLOC, "eglCreateContext");
1193 return NULL;
1194 }
1195
1196 if (!_eglInitContext(&dri2_ctx->base, disp, conf, attrib_list))
1197 goto cleanup;
1198
1199 /* The EGL_EXT_create_context_robustness spec says:
1200 *
1201 * "Add to the eglCreateContext context creation errors: [...]
1202 *
1203 * * If the reset notification behavior of <share_context> and the
1204 * newly created context are different then an EGL_BAD_MATCH error is
1205 * generated."
1206 */
1207 if (share_list && share_list->ResetNotificationStrategy !=
1208 dri2_ctx->base.ResetNotificationStrategy) {
1209 _eglError(EGL_BAD_MATCH, "eglCreateContext");
1210 goto cleanup;
1211 }
1212
1213 /* The EGL_KHR_create_context_no_error spec says:
1214 *
1215 * "BAD_MATCH is generated if the value of EGL_CONTEXT_OPENGL_NO_ERROR_KHR
1216 * used to create <share_context> does not match the value of
1217 * EGL_CONTEXT_OPENGL_NO_ERROR_KHR for the context being created."
1218 */
1219 if (share_list && share_list->NoError != dri2_ctx->base.NoError) {
1220 _eglError(EGL_BAD_MATCH, "eglCreateContext");
1221 goto cleanup;
1222 }
1223
1224 switch (dri2_ctx->base.ClientAPI) {
1225 case EGL_OPENGL_ES_API:
1226 switch (dri2_ctx->base.ClientMajorVersion) {
1227 case 1:
1228 api = __DRI_API_GLES;
1229 break;
1230 case 2:
1231 api = __DRI_API_GLES2;
1232 break;
1233 case 3:
1234 api = __DRI_API_GLES3;
1235 break;
1236 default:
1237 _eglError(EGL_BAD_PARAMETER, "eglCreateContext");
1238 free(dri2_ctx);
1239 return NULL;
1240 }
1241 break;
1242 case EGL_OPENGL_API:
1243 if ((dri2_ctx->base.ClientMajorVersion >= 4
1244 || (dri2_ctx->base.ClientMajorVersion == 3
1245 && dri2_ctx->base.ClientMinorVersion >= 2))
1246 && dri2_ctx->base.Profile == EGL_CONTEXT_OPENGL_CORE_PROFILE_BIT_KHR)
1247 api = __DRI_API_OPENGL_CORE;
1248 else if (dri2_ctx->base.ClientMajorVersion == 3 &&
1249 dri2_ctx->base.ClientMinorVersion == 1)
1250 api = __DRI_API_OPENGL_CORE;
1251 else
1252 api = __DRI_API_OPENGL;
1253 break;
1254 default:
1255 _eglError(EGL_BAD_PARAMETER, "eglCreateContext");
1256 free(dri2_ctx);
1257 return NULL;
1258 }
1259
1260 if (conf != NULL) {
1261 /* The config chosen here isn't necessarily
1262 * used for surfaces later.
1263 * A pixmap surface will use the single config.
1264 * This opportunity depends on disabling the
1265 * doubleBufferMode check in
1266 * src/mesa/main/context.c:check_compatible()
1267 */
1268 if (dri2_config->dri_config[1][0])
1269 dri_config = dri2_config->dri_config[1][0];
1270 else
1271 dri_config = dri2_config->dri_config[0][0];
1272 }
1273 else
1274 dri_config = NULL;
1275
1276 if (!dri2_fill_context_attribs(dri2_ctx, dri2_dpy, ctx_attribs,
1277 &num_attribs))
1278 goto cleanup;
1279
1280 if (dri2_dpy->image_driver) {
1281 dri2_ctx->dri_context =
1282 dri2_dpy->image_driver->createContextAttribs(dri2_dpy->dri_screen,
1283 api,
1284 dri_config,
1285 shared,
1286 num_attribs / 2,
1287 ctx_attribs,
1288 & error,
1289 dri2_ctx);
1290 dri2_create_context_attribs_error(error);
1291 } else if (dri2_dpy->dri2) {
1292 if (dri2_dpy->dri2->base.version >= 3) {
1293 dri2_ctx->dri_context =
1294 dri2_dpy->dri2->createContextAttribs(dri2_dpy->dri_screen,
1295 api,
1296 dri_config,
1297 shared,
1298 num_attribs / 2,
1299 ctx_attribs,
1300 & error,
1301 dri2_ctx);
1302 dri2_create_context_attribs_error(error);
1303 } else {
1304 dri2_ctx->dri_context =
1305 dri2_dpy->dri2->createNewContextForAPI(dri2_dpy->dri_screen,
1306 api,
1307 dri_config,
1308 shared,
1309 dri2_ctx);
1310 }
1311 } else {
1312 assert(dri2_dpy->swrast);
1313 if (dri2_dpy->swrast->base.version >= 3) {
1314 dri2_ctx->dri_context =
1315 dri2_dpy->swrast->createContextAttribs(dri2_dpy->dri_screen,
1316 api,
1317 dri_config,
1318 shared,
1319 num_attribs / 2,
1320 ctx_attribs,
1321 & error,
1322 dri2_ctx);
1323 dri2_create_context_attribs_error(error);
1324 } else {
1325 dri2_ctx->dri_context =
1326 dri2_dpy->swrast->createNewContextForAPI(dri2_dpy->dri_screen,
1327 api,
1328 dri_config,
1329 shared,
1330 dri2_ctx);
1331 }
1332 }
1333
1334 if (!dri2_ctx->dri_context)
1335 goto cleanup;
1336
1337 return &dri2_ctx->base;
1338
1339 cleanup:
1340 free(dri2_ctx);
1341 return NULL;
1342 }
1343
1344 /**
1345 * Called via eglDestroyContext(), drv->API.DestroyContext().
1346 */
1347 static EGLBoolean
1348 dri2_destroy_context(_EGLDriver *drv, _EGLDisplay *disp, _EGLContext *ctx)
1349 {
1350 struct dri2_egl_context *dri2_ctx = dri2_egl_context(ctx);
1351 struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
1352
1353 if (_eglPutContext(ctx)) {
1354 dri2_dpy->core->destroyContext(dri2_ctx->dri_context);
1355 free(dri2_ctx);
1356 }
1357
1358 return EGL_TRUE;
1359 }
1360
1361 EGLBoolean
1362 dri2_init_surface(_EGLSurface *surf, _EGLDisplay *disp, EGLint type,
1363 _EGLConfig *conf, const EGLint *attrib_list,
1364 EGLBoolean enable_out_fence, void *native_surface)
1365 {
1366 struct dri2_egl_surface *dri2_surf = dri2_egl_surface(surf);
1367 struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
1368
1369 dri2_surf->out_fence_fd = -1;
1370 dri2_surf->enable_out_fence = false;
1371 if (dri2_dpy->fence && dri2_dpy->fence->base.version >= 2 &&
1372 dri2_dpy->fence->get_capabilities &&
1373 (dri2_dpy->fence->get_capabilities(dri2_dpy->dri_screen) &
1374 __DRI_FENCE_CAP_NATIVE_FD)) {
1375 dri2_surf->enable_out_fence = enable_out_fence;
1376 }
1377
1378 return _eglInitSurface(surf, disp, type, conf, attrib_list, native_surface);
1379 }
1380
1381 static void
1382 dri2_surface_set_out_fence_fd( _EGLSurface *surf, int fence_fd)
1383 {
1384 struct dri2_egl_surface *dri2_surf = dri2_egl_surface(surf);
1385
1386 if (dri2_surf->out_fence_fd >= 0)
1387 close(dri2_surf->out_fence_fd);
1388
1389 dri2_surf->out_fence_fd = fence_fd;
1390 }
1391
1392 void
1393 dri2_fini_surface(_EGLSurface *surf)
1394 {
1395 struct dri2_egl_surface *dri2_surf = dri2_egl_surface(surf);
1396
1397 dri2_surface_set_out_fence_fd(surf, -1);
1398 dri2_surf->enable_out_fence = false;
1399 }
1400
1401 static EGLBoolean
1402 dri2_destroy_surface(_EGLDriver *drv, _EGLDisplay *disp, _EGLSurface *surf)
1403 {
1404 struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
1405
1406 if (!_eglPutSurface(surf))
1407 return EGL_TRUE;
1408
1409 return dri2_dpy->vtbl->destroy_surface(drv, disp, surf);
1410 }
1411
1412 static void
1413 dri2_surf_update_fence_fd(_EGLContext *ctx,
1414 _EGLDisplay *disp, _EGLSurface *surf)
1415 {
1416 __DRIcontext *dri_ctx = dri2_egl_context(ctx)->dri_context;
1417 struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
1418 struct dri2_egl_surface *dri2_surf = dri2_egl_surface(surf);
1419 int fence_fd = -1;
1420 void *fence;
1421
1422 if (!dri2_surf->enable_out_fence)
1423 return;
1424
1425 fence = dri2_dpy->fence->create_fence_fd(dri_ctx, -1);
1426 if (fence) {
1427 fence_fd = dri2_dpy->fence->get_fence_fd(dri2_dpy->dri_screen,
1428 fence);
1429 dri2_dpy->fence->destroy_fence(dri2_dpy->dri_screen, fence);
1430 }
1431 dri2_surface_set_out_fence_fd(surf, fence_fd);
1432 }
1433
1434 EGLBoolean
1435 dri2_create_drawable(struct dri2_egl_display *dri2_dpy,
1436 const __DRIconfig *config,
1437 struct dri2_egl_surface *dri2_surf,
1438 void *loaderPrivate)
1439 {
1440 __DRIcreateNewDrawableFunc createNewDrawable;
1441
1442 if (dri2_dpy->image_driver)
1443 createNewDrawable = dri2_dpy->image_driver->createNewDrawable;
1444 else if (dri2_dpy->dri2)
1445 createNewDrawable = dri2_dpy->dri2->createNewDrawable;
1446 else if (dri2_dpy->swrast)
1447 createNewDrawable = dri2_dpy->swrast->createNewDrawable;
1448 else
1449 return _eglError(EGL_BAD_ALLOC, "no createNewDrawable");
1450
1451 dri2_surf->dri_drawable = createNewDrawable(dri2_dpy->dri_screen,
1452 config, loaderPrivate);
1453 if (dri2_surf->dri_drawable == NULL)
1454 return _eglError(EGL_BAD_ALLOC, "createNewDrawable");
1455
1456 return EGL_TRUE;
1457 }
1458
1459 /**
1460 * Called via eglMakeCurrent(), drv->API.MakeCurrent().
1461 */
1462 static EGLBoolean
1463 dri2_make_current(_EGLDriver *drv, _EGLDisplay *disp, _EGLSurface *dsurf,
1464 _EGLSurface *rsurf, _EGLContext *ctx)
1465 {
1466 struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
1467 struct dri2_egl_context *dri2_ctx = dri2_egl_context(ctx);
1468 _EGLDisplay *old_disp = NULL;
1469 struct dri2_egl_display *old_dri2_dpy = NULL;
1470 _EGLContext *old_ctx;
1471 _EGLSurface *old_dsurf, *old_rsurf;
1472 _EGLSurface *tmp_dsurf, *tmp_rsurf;
1473 __DRIdrawable *ddraw, *rdraw;
1474 __DRIcontext *cctx;
1475 EGLBoolean unbind;
1476
1477 if (!dri2_dpy)
1478 return _eglError(EGL_NOT_INITIALIZED, "eglMakeCurrent");
1479
1480 /* make new bindings */
1481 if (!_eglBindContext(ctx, dsurf, rsurf, &old_ctx, &old_dsurf, &old_rsurf)) {
1482 /* _eglBindContext already sets the EGL error (in _eglCheckMakeCurrent) */
1483 return EGL_FALSE;
1484 }
1485
1486 if (old_ctx) {
1487 old_disp = old_ctx->Resource.Display;
1488 old_dri2_dpy = dri2_egl_display(old_disp);
1489 }
1490
1491 /* flush before context switch */
1492 if (old_ctx)
1493 dri2_gl_flush();
1494
1495 ddraw = (dsurf) ? dri2_dpy->vtbl->get_dri_drawable(dsurf) : NULL;
1496 rdraw = (rsurf) ? dri2_dpy->vtbl->get_dri_drawable(rsurf) : NULL;
1497 cctx = (dri2_ctx) ? dri2_ctx->dri_context : NULL;
1498
1499 if (old_ctx) {
1500 __DRIcontext *old_cctx = dri2_egl_context(old_ctx)->dri_context;
1501
1502 if (old_dsurf)
1503 dri2_surf_update_fence_fd(old_ctx, disp, old_dsurf);
1504
1505 /* Disable shared buffer mode */
1506 if (old_dsurf && _eglSurfaceInSharedBufferMode(old_dsurf) &&
1507 old_dri2_dpy->vtbl->set_shared_buffer_mode) {
1508 old_dri2_dpy->vtbl->set_shared_buffer_mode(old_disp, old_dsurf, false);
1509 }
1510
1511 dri2_dpy->core->unbindContext(old_cctx);
1512 }
1513
1514 unbind = (cctx == NULL && ddraw == NULL && rdraw == NULL);
1515
1516 if (!unbind && !dri2_dpy->core->bindContext(cctx, ddraw, rdraw)) {
1517 /* undo the previous _eglBindContext */
1518 _eglBindContext(old_ctx, old_dsurf, old_rsurf, &ctx, &tmp_dsurf, &tmp_rsurf);
1519 assert(&dri2_ctx->base == ctx &&
1520 tmp_dsurf == dsurf &&
1521 tmp_rsurf == rsurf);
1522
1523 if (old_dsurf && _eglSurfaceInSharedBufferMode(old_dsurf) &&
1524 old_dri2_dpy->vtbl->set_shared_buffer_mode) {
1525 old_dri2_dpy->vtbl->set_shared_buffer_mode(old_disp, old_dsurf, true);
1526 }
1527
1528 _eglPutSurface(dsurf);
1529 _eglPutSurface(rsurf);
1530 _eglPutContext(ctx);
1531
1532 _eglPutSurface(old_dsurf);
1533 _eglPutSurface(old_rsurf);
1534 _eglPutContext(old_ctx);
1535
1536 /* dri2_dpy->core->bindContext failed. We cannot tell for sure why, but
1537 * setting the error to EGL_BAD_MATCH is surely better than leaving it
1538 * as EGL_SUCCESS.
1539 */
1540 return _eglError(EGL_BAD_MATCH, "eglMakeCurrent");
1541 }
1542
1543 dri2_destroy_surface(drv, disp, old_dsurf);
1544 dri2_destroy_surface(drv, disp, old_rsurf);
1545
1546 if (!unbind)
1547 dri2_dpy->ref_count++;
1548
1549 if (old_ctx) {
1550 dri2_destroy_context(drv, disp, old_ctx);
1551 dri2_display_release(old_disp);
1552 }
1553
1554 if (dsurf && _eglSurfaceHasMutableRenderBuffer(dsurf) &&
1555 dri2_dpy->vtbl->set_shared_buffer_mode) {
1556 /* Always update the shared buffer mode. This is obviously needed when
1557 * the active EGL_RENDER_BUFFER is EGL_SINGLE_BUFFER. When
1558 * EGL_RENDER_BUFFER is EGL_BACK_BUFFER, the update protects us in the
1559 * case where external non-EGL API may have changed window's shared
1560 * buffer mode since we last saw it.
1561 */
1562 bool mode = (dsurf->ActiveRenderBuffer == EGL_SINGLE_BUFFER);
1563 dri2_dpy->vtbl->set_shared_buffer_mode(disp, dsurf, mode);
1564 }
1565
1566 return EGL_TRUE;
1567 }
1568
1569 __DRIdrawable *
1570 dri2_surface_get_dri_drawable(_EGLSurface *surf)
1571 {
1572 struct dri2_egl_surface *dri2_surf = dri2_egl_surface(surf);
1573
1574 return dri2_surf->dri_drawable;
1575 }
1576
1577 /*
1578 * Called from eglGetProcAddress() via drv->API.GetProcAddress().
1579 */
1580 static _EGLProc
1581 dri2_get_proc_address(_EGLDriver *drv, const char *procname)
1582 {
1583 return _glapi_get_proc_address(procname);
1584 }
1585
1586 static _EGLSurface*
1587 dri2_create_window_surface(_EGLDriver *drv, _EGLDisplay *disp,
1588 _EGLConfig *conf, void *native_window,
1589 const EGLint *attrib_list)
1590 {
1591 struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
1592 return dri2_dpy->vtbl->create_window_surface(drv, disp, conf, native_window,
1593 attrib_list);
1594 }
1595
1596 static _EGLSurface*
1597 dri2_create_pixmap_surface(_EGLDriver *drv, _EGLDisplay *disp,
1598 _EGLConfig *conf, void *native_pixmap,
1599 const EGLint *attrib_list)
1600 {
1601 struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
1602 return dri2_dpy->vtbl->create_pixmap_surface(drv, disp, conf, native_pixmap,
1603 attrib_list);
1604 }
1605
1606 static _EGLSurface*
1607 dri2_create_pbuffer_surface(_EGLDriver *drv, _EGLDisplay *disp,
1608 _EGLConfig *conf, const EGLint *attrib_list)
1609 {
1610 struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
1611 return dri2_dpy->vtbl->create_pbuffer_surface(drv, disp, conf, attrib_list);
1612 }
1613
1614 static EGLBoolean
1615 dri2_swap_interval(_EGLDriver *drv, _EGLDisplay *disp, _EGLSurface *surf,
1616 EGLint interval)
1617 {
1618 struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
1619 if (!dri2_dpy->vtbl->swap_interval)
1620 return EGL_TRUE;
1621 return dri2_dpy->vtbl->swap_interval(drv, disp, surf, interval);
1622 }
1623
1624 /**
1625 * Asks the client API to flush any rendering to the drawable so that we can
1626 * do our swapbuffers.
1627 */
1628 void
1629 dri2_flush_drawable_for_swapbuffers(_EGLDisplay *disp, _EGLSurface *draw)
1630 {
1631 struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
1632 __DRIdrawable *dri_drawable = dri2_dpy->vtbl->get_dri_drawable(draw);
1633
1634 if (dri2_dpy->flush) {
1635 if (dri2_dpy->flush->base.version >= 4) {
1636 /* We know there's a current context because:
1637 *
1638 * "If surface is not bound to the calling thread’s current
1639 * context, an EGL_BAD_SURFACE error is generated."
1640 */
1641 _EGLContext *ctx = _eglGetCurrentContext();
1642 struct dri2_egl_context *dri2_ctx = dri2_egl_context(ctx);
1643
1644 /* From the EGL 1.4 spec (page 52):
1645 *
1646 * "The contents of ancillary buffers are always undefined
1647 * after calling eglSwapBuffers."
1648 */
1649 dri2_dpy->flush->flush_with_flags(dri2_ctx->dri_context,
1650 dri_drawable,
1651 __DRI2_FLUSH_DRAWABLE |
1652 __DRI2_FLUSH_INVALIDATE_ANCILLARY,
1653 __DRI2_THROTTLE_SWAPBUFFER);
1654 } else {
1655 dri2_dpy->flush->flush(dri_drawable);
1656 }
1657 }
1658 }
1659
1660 static EGLBoolean
1661 dri2_swap_buffers(_EGLDriver *drv, _EGLDisplay *disp, _EGLSurface *surf)
1662 {
1663 struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
1664 _EGLContext *ctx = _eglGetCurrentContext();
1665
1666 if (ctx && surf)
1667 dri2_surf_update_fence_fd(ctx, disp, surf);
1668 return dri2_dpy->vtbl->swap_buffers(drv, disp, surf);
1669 }
1670
1671 static EGLBoolean
1672 dri2_swap_buffers_with_damage(_EGLDriver *drv, _EGLDisplay *disp,
1673 _EGLSurface *surf,
1674 const EGLint *rects, EGLint n_rects)
1675 {
1676 struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
1677 _EGLContext *ctx = _eglGetCurrentContext();
1678
1679 if (ctx && surf)
1680 dri2_surf_update_fence_fd(ctx, disp, surf);
1681 return dri2_dpy->vtbl->swap_buffers_with_damage(drv, disp, surf,
1682 rects, n_rects);
1683 }
1684
1685 static EGLBoolean
1686 dri2_swap_buffers_region(_EGLDriver *drv, _EGLDisplay *disp, _EGLSurface *surf,
1687 EGLint numRects, const EGLint *rects)
1688 {
1689 struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
1690 return dri2_dpy->vtbl->swap_buffers_region(drv, disp, surf, numRects, rects);
1691 }
1692
1693 static EGLBoolean
1694 dri2_set_damage_region(_EGLDriver *drv, _EGLDisplay *disp, _EGLSurface *surf,
1695 EGLint *rects, EGLint n_rects)
1696 {
1697 return false;
1698 }
1699
1700 static EGLBoolean
1701 dri2_post_sub_buffer(_EGLDriver *drv, _EGLDisplay *disp, _EGLSurface *surf,
1702 EGLint x, EGLint y, EGLint width, EGLint height)
1703 {
1704 struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
1705 return dri2_dpy->vtbl->post_sub_buffer(drv, disp, surf, x, y, width, height);
1706 }
1707
1708 static EGLBoolean
1709 dri2_copy_buffers(_EGLDriver *drv, _EGLDisplay *disp, _EGLSurface *surf,
1710 void *native_pixmap_target)
1711 {
1712 struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
1713 return dri2_dpy->vtbl->copy_buffers(drv, disp, surf, native_pixmap_target);
1714 }
1715
1716 static EGLint
1717 dri2_query_buffer_age(_EGLDriver *drv, _EGLDisplay *disp, _EGLSurface *surf)
1718 {
1719 struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
1720 return dri2_dpy->vtbl->query_buffer_age(drv, disp, surf);
1721 }
1722
1723 static EGLBoolean
1724 dri2_wait_client(_EGLDriver *drv, _EGLDisplay *disp, _EGLContext *ctx)
1725 {
1726 struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
1727 _EGLSurface *surf = ctx->DrawSurface;
1728 __DRIdrawable *dri_drawable = dri2_dpy->vtbl->get_dri_drawable(surf);
1729
1730 (void) drv;
1731
1732 /* FIXME: If EGL allows frontbuffer rendering for window surfaces,
1733 * we need to copy fake to real here.*/
1734
1735 if (dri2_dpy->flush != NULL)
1736 dri2_dpy->flush->flush(dri_drawable);
1737
1738 return EGL_TRUE;
1739 }
1740
1741 static EGLBoolean
1742 dri2_wait_native(_EGLDriver *drv, _EGLDisplay *disp, EGLint engine)
1743 {
1744 (void) drv;
1745 (void) disp;
1746
1747 if (engine != EGL_CORE_NATIVE_ENGINE)
1748 return _eglError(EGL_BAD_PARAMETER, "eglWaitNative");
1749 /* glXWaitX(); */
1750
1751 return EGL_TRUE;
1752 }
1753
1754 static EGLBoolean
1755 dri2_bind_tex_image(_EGLDriver *drv,
1756 _EGLDisplay *disp, _EGLSurface *surf, EGLint buffer)
1757 {
1758 struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
1759 struct dri2_egl_context *dri2_ctx;
1760 _EGLContext *ctx;
1761 GLint format, target;
1762 __DRIdrawable *dri_drawable = dri2_dpy->vtbl->get_dri_drawable(surf);
1763
1764 ctx = _eglGetCurrentContext();
1765 dri2_ctx = dri2_egl_context(ctx);
1766
1767 if (!_eglBindTexImage(drv, disp, surf, buffer))
1768 return EGL_FALSE;
1769
1770 switch (surf->TextureFormat) {
1771 case EGL_TEXTURE_RGB:
1772 format = __DRI_TEXTURE_FORMAT_RGB;
1773 break;
1774 case EGL_TEXTURE_RGBA:
1775 format = __DRI_TEXTURE_FORMAT_RGBA;
1776 break;
1777 default:
1778 assert(!"Unexpected texture format in dri2_bind_tex_image()");
1779 format = __DRI_TEXTURE_FORMAT_RGBA;
1780 }
1781
1782 switch (surf->TextureTarget) {
1783 case EGL_TEXTURE_2D:
1784 target = GL_TEXTURE_2D;
1785 break;
1786 default:
1787 target = GL_TEXTURE_2D;
1788 assert(!"Unexpected texture target in dri2_bind_tex_image()");
1789 }
1790
1791 dri2_dpy->tex_buffer->setTexBuffer2(dri2_ctx->dri_context,
1792 target, format,
1793 dri_drawable);
1794
1795 return EGL_TRUE;
1796 }
1797
1798 static EGLBoolean
1799 dri2_release_tex_image(_EGLDriver *drv,
1800 _EGLDisplay *disp, _EGLSurface *surf, EGLint buffer)
1801 {
1802 struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
1803 struct dri2_egl_context *dri2_ctx;
1804 _EGLContext *ctx;
1805 GLint target;
1806 __DRIdrawable *dri_drawable = dri2_dpy->vtbl->get_dri_drawable(surf);
1807
1808 ctx = _eglGetCurrentContext();
1809 dri2_ctx = dri2_egl_context(ctx);
1810
1811 if (!_eglReleaseTexImage(drv, disp, surf, buffer))
1812 return EGL_FALSE;
1813
1814 switch (surf->TextureTarget) {
1815 case EGL_TEXTURE_2D:
1816 target = GL_TEXTURE_2D;
1817 break;
1818 default:
1819 assert(!"missing texture target");
1820 }
1821
1822 if (dri2_dpy->tex_buffer->base.version >= 3 &&
1823 dri2_dpy->tex_buffer->releaseTexBuffer != NULL) {
1824 dri2_dpy->tex_buffer->releaseTexBuffer(dri2_ctx->dri_context,
1825 target, dri_drawable);
1826 }
1827
1828 return EGL_TRUE;
1829 }
1830
1831 static _EGLImage*
1832 dri2_create_image(_EGLDriver *drv, _EGLDisplay *disp, _EGLContext *ctx,
1833 EGLenum target, EGLClientBuffer buffer,
1834 const EGLint *attr_list)
1835 {
1836 struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
1837 return dri2_dpy->vtbl->create_image(drv, disp, ctx, target, buffer,
1838 attr_list);
1839 }
1840
1841 static _EGLImage *
1842 dri2_create_image_from_dri(_EGLDisplay *disp, __DRIimage *dri_image)
1843 {
1844 struct dri2_egl_image *dri2_img;
1845
1846 if (dri_image == NULL) {
1847 _eglError(EGL_BAD_ALLOC, "dri2_create_image");
1848 return NULL;
1849 }
1850
1851 dri2_img = malloc(sizeof *dri2_img);
1852 if (!dri2_img) {
1853 _eglError(EGL_BAD_ALLOC, "dri2_create_image");
1854 return NULL;
1855 }
1856
1857 _eglInitImage(&dri2_img->base, disp);
1858
1859 dri2_img->dri_image = dri_image;
1860
1861 return &dri2_img->base;
1862 }
1863
1864 /**
1865 * Translate a DRI Image extension error code into an EGL error code.
1866 */
1867 static EGLint
1868 egl_error_from_dri_image_error(int dri_error)
1869 {
1870 switch (dri_error) {
1871 case __DRI_IMAGE_ERROR_SUCCESS:
1872 return EGL_SUCCESS;
1873 case __DRI_IMAGE_ERROR_BAD_ALLOC:
1874 return EGL_BAD_ALLOC;
1875 case __DRI_IMAGE_ERROR_BAD_MATCH:
1876 return EGL_BAD_MATCH;
1877 case __DRI_IMAGE_ERROR_BAD_PARAMETER:
1878 return EGL_BAD_PARAMETER;
1879 case __DRI_IMAGE_ERROR_BAD_ACCESS:
1880 return EGL_BAD_ACCESS;
1881 default:
1882 assert(!"unknown dri_error code");
1883 return EGL_BAD_ALLOC;
1884 }
1885 }
1886
1887 static _EGLImage *
1888 dri2_create_image_khr_renderbuffer(_EGLDisplay *disp, _EGLContext *ctx,
1889 EGLClientBuffer buffer,
1890 const EGLint *attr_list)
1891 {
1892 struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
1893 struct dri2_egl_context *dri2_ctx = dri2_egl_context(ctx);
1894 GLuint renderbuffer = (GLuint) (uintptr_t) buffer;
1895 __DRIimage *dri_image;
1896
1897 if (renderbuffer == 0) {
1898 _eglError(EGL_BAD_PARAMETER, "dri2_create_image_khr");
1899 return EGL_NO_IMAGE_KHR;
1900 }
1901
1902 if (!disp->Extensions.KHR_gl_renderbuffer_image) {
1903 _eglError(EGL_BAD_PARAMETER, "dri2_create_image_khr");
1904 return EGL_NO_IMAGE_KHR;
1905 }
1906
1907 if (dri2_dpy->image->base.version >= 17 &&
1908 dri2_dpy->image->createImageFromRenderbuffer2) {
1909 unsigned error = ~0;
1910
1911 dri_image = dri2_dpy->image->createImageFromRenderbuffer2(
1912 dri2_ctx->dri_context, renderbuffer, NULL, &error);
1913
1914 assert(!!dri_image == (error == __DRI_IMAGE_ERROR_SUCCESS));
1915
1916 if (!dri_image) {
1917 _eglError(egl_error_from_dri_image_error(error), "dri2_create_image_khr");
1918 return EGL_NO_IMAGE_KHR;
1919 }
1920 } else {
1921 dri_image = dri2_dpy->image->createImageFromRenderbuffer(
1922 dri2_ctx->dri_context, renderbuffer, NULL);
1923 if (!dri_image) {
1924 _eglError(EGL_BAD_ALLOC, "dri2_create_image_khr");
1925 return EGL_NO_IMAGE_KHR;
1926 }
1927 }
1928
1929 return dri2_create_image_from_dri(disp, dri_image);
1930 }
1931
1932 #ifdef HAVE_WAYLAND_PLATFORM
1933
1934 /* This structure describes how a wl_buffer maps to one or more
1935 * __DRIimages. A wl_drm_buffer stores the wl_drm format code and the
1936 * offsets and strides of the planes in the buffer. This table maps a
1937 * wl_drm format code to a description of the planes in the buffer
1938 * that lets us create a __DRIimage for each of the planes. */
1939
1940 static const struct wl_drm_components_descriptor {
1941 uint32_t dri_components;
1942 EGLint components;
1943 int nplanes;
1944 } wl_drm_components[] = {
1945 { __DRI_IMAGE_COMPONENTS_RGB, EGL_TEXTURE_RGB, 1 },
1946 { __DRI_IMAGE_COMPONENTS_RGBA, EGL_TEXTURE_RGBA, 1 },
1947 { __DRI_IMAGE_COMPONENTS_Y_U_V, EGL_TEXTURE_Y_U_V_WL, 3 },
1948 { __DRI_IMAGE_COMPONENTS_Y_UV, EGL_TEXTURE_Y_UV_WL, 2 },
1949 { __DRI_IMAGE_COMPONENTS_Y_XUXV, EGL_TEXTURE_Y_XUXV_WL, 2 },
1950 };
1951
1952 static _EGLImage *
1953 dri2_create_image_wayland_wl_buffer(_EGLDisplay *disp, _EGLContext *ctx,
1954 EGLClientBuffer _buffer,
1955 const EGLint *attr_list)
1956 {
1957 struct wl_drm_buffer *buffer;
1958 struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
1959 const struct wl_drm_components_descriptor *f;
1960 __DRIimage *dri_image;
1961 _EGLImageAttribs attrs;
1962 int32_t plane;
1963
1964 buffer = wayland_drm_buffer_get(dri2_dpy->wl_server_drm,
1965 (struct wl_resource *) _buffer);
1966 if (!buffer)
1967 return NULL;
1968
1969 if (!_eglParseImageAttribList(&attrs, disp, attr_list))
1970 return NULL;
1971
1972 plane = attrs.PlaneWL;
1973 f = buffer->driver_format;
1974 if (plane < 0 || plane >= f->nplanes) {
1975 _eglError(EGL_BAD_PARAMETER,
1976 "dri2_create_image_wayland_wl_buffer (plane out of bounds)");
1977 return NULL;
1978 }
1979
1980 dri_image = dri2_dpy->image->fromPlanar(buffer->driver_buffer, plane, NULL);
1981 if (dri_image == NULL && plane == 0)
1982 dri_image = dri2_dpy->image->dupImage(buffer->driver_buffer, NULL);
1983 if (dri_image == NULL) {
1984 _eglError(EGL_BAD_PARAMETER, "dri2_create_image_wayland_wl_buffer");
1985 return NULL;
1986 }
1987
1988 return dri2_create_image_from_dri(disp, dri_image);
1989 }
1990 #endif
1991
1992 static EGLBoolean
1993 dri2_get_sync_values_chromium(_EGLDisplay *disp, _EGLSurface *surf,
1994 EGLuint64KHR *ust, EGLuint64KHR *msc,
1995 EGLuint64KHR *sbc)
1996 {
1997 struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
1998 return dri2_dpy->vtbl->get_sync_values(disp, surf, ust, msc, sbc);
1999 }
2000
2001 /**
2002 * Set the error code after a call to
2003 * dri2_egl_image::dri_image::createImageFromTexture.
2004 */
2005 static void
2006 dri2_create_image_khr_texture_error(int dri_error)
2007 {
2008 EGLint egl_error = egl_error_from_dri_image_error(dri_error);
2009
2010 if (egl_error != EGL_SUCCESS)
2011 _eglError(egl_error, "dri2_create_image_khr_texture");
2012 }
2013
2014 static _EGLImage *
2015 dri2_create_image_khr_texture(_EGLDisplay *disp, _EGLContext *ctx,
2016 EGLenum target,
2017 EGLClientBuffer buffer,
2018 const EGLint *attr_list)
2019 {
2020 struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
2021 struct dri2_egl_context *dri2_ctx = dri2_egl_context(ctx);
2022 struct dri2_egl_image *dri2_img;
2023 GLuint texture = (GLuint) (uintptr_t) buffer;
2024 _EGLImageAttribs attrs;
2025 GLuint depth;
2026 GLenum gl_target;
2027 unsigned error;
2028
2029 if (texture == 0) {
2030 _eglError(EGL_BAD_PARAMETER, "dri2_create_image_khr");
2031 return EGL_NO_IMAGE_KHR;
2032 }
2033
2034 if (!_eglParseImageAttribList(&attrs, disp, attr_list))
2035 return EGL_NO_IMAGE_KHR;
2036
2037 switch (target) {
2038 case EGL_GL_TEXTURE_2D_KHR:
2039 if (!disp->Extensions.KHR_gl_texture_2D_image) {
2040 _eglError(EGL_BAD_PARAMETER, "dri2_create_image_khr");
2041 return EGL_NO_IMAGE_KHR;
2042 }
2043 depth = 0;
2044 gl_target = GL_TEXTURE_2D;
2045 break;
2046 case EGL_GL_TEXTURE_3D_KHR:
2047 if (!disp->Extensions.KHR_gl_texture_3D_image) {
2048 _eglError(EGL_BAD_PARAMETER, "dri2_create_image_khr");
2049 return EGL_NO_IMAGE_KHR;
2050 }
2051
2052 depth = attrs.GLTextureZOffset;
2053 gl_target = GL_TEXTURE_3D;
2054 break;
2055 case EGL_GL_TEXTURE_CUBE_MAP_POSITIVE_X_KHR:
2056 case EGL_GL_TEXTURE_CUBE_MAP_NEGATIVE_X_KHR:
2057 case EGL_GL_TEXTURE_CUBE_MAP_POSITIVE_Y_KHR:
2058 case EGL_GL_TEXTURE_CUBE_MAP_NEGATIVE_Y_KHR:
2059 case EGL_GL_TEXTURE_CUBE_MAP_POSITIVE_Z_KHR:
2060 case EGL_GL_TEXTURE_CUBE_MAP_NEGATIVE_Z_KHR:
2061 if (!disp->Extensions.KHR_gl_texture_cubemap_image) {
2062 _eglError(EGL_BAD_PARAMETER, "dri2_create_image_khr");
2063 return EGL_NO_IMAGE_KHR;
2064 }
2065
2066 depth = target - EGL_GL_TEXTURE_CUBE_MAP_POSITIVE_X_KHR;
2067 gl_target = GL_TEXTURE_CUBE_MAP;
2068 break;
2069 default:
2070 unreachable("Unexpected target in dri2_create_image_khr_texture()");
2071 return EGL_NO_IMAGE_KHR;
2072 }
2073
2074 dri2_img = malloc(sizeof *dri2_img);
2075 if (!dri2_img) {
2076 _eglError(EGL_BAD_ALLOC, "dri2_create_image_khr");
2077 return EGL_NO_IMAGE_KHR;
2078 }
2079
2080 _eglInitImage(&dri2_img->base, disp);
2081
2082 dri2_img->dri_image =
2083 dri2_dpy->image->createImageFromTexture(dri2_ctx->dri_context,
2084 gl_target,
2085 texture,
2086 depth,
2087 attrs.GLTextureLevel,
2088 &error,
2089 dri2_img);
2090 dri2_create_image_khr_texture_error(error);
2091
2092 if (!dri2_img->dri_image) {
2093 free(dri2_img);
2094 return EGL_NO_IMAGE_KHR;
2095 }
2096 return &dri2_img->base;
2097 }
2098
2099 static EGLBoolean
2100 dri2_query_surface(_EGLDriver *drv, _EGLDisplay *disp, _EGLSurface *surf,
2101 EGLint attribute, EGLint *value)
2102 {
2103 struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
2104 if (!dri2_dpy->vtbl->query_surface)
2105 return _eglQuerySurface(drv, disp, surf, attribute, value);
2106 return dri2_dpy->vtbl->query_surface(drv, disp, surf, attribute, value);
2107 }
2108
2109 static struct wl_buffer*
2110 dri2_create_wayland_buffer_from_image(_EGLDriver *drv, _EGLDisplay *disp,
2111 _EGLImage *img)
2112 {
2113 struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
2114 return dri2_dpy->vtbl->create_wayland_buffer_from_image(drv, disp, img);
2115 }
2116
2117 #ifdef HAVE_LIBDRM
2118 static _EGLImage *
2119 dri2_create_image_mesa_drm_buffer(_EGLDisplay *disp, _EGLContext *ctx,
2120 EGLClientBuffer buffer, const EGLint *attr_list)
2121 {
2122 struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
2123 EGLint format, name, pitch;
2124 _EGLImageAttribs attrs;
2125 __DRIimage *dri_image;
2126
2127 name = (EGLint) (uintptr_t) buffer;
2128
2129 if (!_eglParseImageAttribList(&attrs, disp, attr_list))
2130 return NULL;
2131
2132 if (attrs.Width <= 0 || attrs.Height <= 0 ||
2133 attrs.DRMBufferStrideMESA <= 0) {
2134 _eglError(EGL_BAD_PARAMETER,
2135 "bad width, height or stride");
2136 return NULL;
2137 }
2138
2139 switch (attrs.DRMBufferFormatMESA) {
2140 case EGL_DRM_BUFFER_FORMAT_ARGB32_MESA:
2141 format = __DRI_IMAGE_FORMAT_ARGB8888;
2142 pitch = attrs.DRMBufferStrideMESA;
2143 break;
2144 default:
2145 _eglError(EGL_BAD_PARAMETER,
2146 "dri2_create_image_khr: unsupported pixmap depth");
2147 return NULL;
2148 }
2149
2150 dri_image =
2151 dri2_dpy->image->createImageFromName(dri2_dpy->dri_screen,
2152 attrs.Width,
2153 attrs.Height,
2154 format,
2155 name,
2156 pitch,
2157 NULL);
2158
2159 return dri2_create_image_from_dri(disp, dri_image);
2160 }
2161
2162 static EGLBoolean
2163 dri2_check_dma_buf_attribs(const _EGLImageAttribs *attrs)
2164 {
2165 /**
2166 * The spec says:
2167 *
2168 * "Required attributes and their values are as follows:
2169 *
2170 * * EGL_WIDTH & EGL_HEIGHT: The logical dimensions of the buffer in pixels
2171 *
2172 * * EGL_LINUX_DRM_FOURCC_EXT: The pixel format of the buffer, as specified
2173 * by drm_fourcc.h and used as the pixel_format parameter of the
2174 * drm_mode_fb_cmd2 ioctl."
2175 *
2176 * and
2177 *
2178 * "* If <target> is EGL_LINUX_DMA_BUF_EXT, and the list of attributes is
2179 * incomplete, EGL_BAD_PARAMETER is generated."
2180 */
2181 if (attrs->Width <= 0 || attrs->Height <= 0 ||
2182 !attrs->DMABufFourCC.IsPresent)
2183 return _eglError(EGL_BAD_PARAMETER, "attribute(s) missing");
2184
2185 /**
2186 * Also:
2187 *
2188 * "If <target> is EGL_LINUX_DMA_BUF_EXT and one or more of the values
2189 * specified for a plane's pitch or offset isn't supported by EGL,
2190 * EGL_BAD_ACCESS is generated."
2191 */
2192 for (unsigned i = 0; i < ARRAY_SIZE(attrs->DMABufPlanePitches); ++i) {
2193 if (attrs->DMABufPlanePitches[i].IsPresent &&
2194 attrs->DMABufPlanePitches[i].Value <= 0)
2195 return _eglError(EGL_BAD_ACCESS, "invalid pitch");
2196 }
2197
2198 /**
2199 * If <target> is EGL_LINUX_DMA_BUF_EXT, both or neither of the following
2200 * attribute values may be given.
2201 *
2202 * This is referring to EGL_DMA_BUF_PLANE0_MODIFIER_LO_EXT and
2203 * EGL_DMA_BUF_PLANE0_MODIFIER_HI_EXT, and the same for other planes.
2204 */
2205 for (unsigned i = 0; i < DMA_BUF_MAX_PLANES; ++i) {
2206 if (attrs->DMABufPlaneModifiersLo[i].IsPresent !=
2207 attrs->DMABufPlaneModifiersHi[i].IsPresent)
2208 return _eglError(EGL_BAD_PARAMETER, "modifier attribute lo or hi missing");
2209 }
2210
2211 /* Although the EGL_EXT_image_dma_buf_import_modifiers spec doesn't
2212 * mandate it, we only accept the same modifier across all planes. */
2213 for (unsigned i = 1; i < DMA_BUF_MAX_PLANES; ++i) {
2214 if (attrs->DMABufPlaneFds[i].IsPresent) {
2215 if ((attrs->DMABufPlaneModifiersLo[0].IsPresent !=
2216 attrs->DMABufPlaneModifiersLo[i].IsPresent) ||
2217 (attrs->DMABufPlaneModifiersLo[0].Value !=
2218 attrs->DMABufPlaneModifiersLo[i].Value) ||
2219 (attrs->DMABufPlaneModifiersHi[0].Value !=
2220 attrs->DMABufPlaneModifiersHi[i].Value))
2221 return _eglError(EGL_BAD_PARAMETER, "modifier attributes not equal");
2222 }
2223 }
2224
2225 return EGL_TRUE;
2226 }
2227
2228 /* Returns the total number of planes for the format or zero if it isn't a
2229 * valid fourcc format.
2230 */
2231 static unsigned
2232 dri2_num_fourcc_format_planes(EGLint format)
2233 {
2234 switch (format) {
2235 case DRM_FORMAT_R8:
2236 case DRM_FORMAT_RG88:
2237 case DRM_FORMAT_GR88:
2238 case DRM_FORMAT_R16:
2239 case DRM_FORMAT_GR1616:
2240 case DRM_FORMAT_RGB332:
2241 case DRM_FORMAT_BGR233:
2242 case DRM_FORMAT_XRGB4444:
2243 case DRM_FORMAT_XBGR4444:
2244 case DRM_FORMAT_RGBX4444:
2245 case DRM_FORMAT_BGRX4444:
2246 case DRM_FORMAT_ARGB4444:
2247 case DRM_FORMAT_ABGR4444:
2248 case DRM_FORMAT_RGBA4444:
2249 case DRM_FORMAT_BGRA4444:
2250 case DRM_FORMAT_XRGB1555:
2251 case DRM_FORMAT_XBGR1555:
2252 case DRM_FORMAT_RGBX5551:
2253 case DRM_FORMAT_BGRX5551:
2254 case DRM_FORMAT_ARGB1555:
2255 case DRM_FORMAT_ABGR1555:
2256 case DRM_FORMAT_RGBA5551:
2257 case DRM_FORMAT_BGRA5551:
2258 case DRM_FORMAT_RGB565:
2259 case DRM_FORMAT_BGR565:
2260 case DRM_FORMAT_RGB888:
2261 case DRM_FORMAT_BGR888:
2262 case DRM_FORMAT_XRGB8888:
2263 case DRM_FORMAT_XBGR8888:
2264 case DRM_FORMAT_RGBX8888:
2265 case DRM_FORMAT_BGRX8888:
2266 case DRM_FORMAT_ARGB8888:
2267 case DRM_FORMAT_ABGR8888:
2268 case DRM_FORMAT_RGBA8888:
2269 case DRM_FORMAT_BGRA8888:
2270 case DRM_FORMAT_XRGB2101010:
2271 case DRM_FORMAT_XBGR2101010:
2272 case DRM_FORMAT_RGBX1010102:
2273 case DRM_FORMAT_BGRX1010102:
2274 case DRM_FORMAT_ARGB2101010:
2275 case DRM_FORMAT_ABGR2101010:
2276 case DRM_FORMAT_RGBA1010102:
2277 case DRM_FORMAT_BGRA1010102:
2278 case DRM_FORMAT_YUYV:
2279 case DRM_FORMAT_YVYU:
2280 case DRM_FORMAT_UYVY:
2281 case DRM_FORMAT_VYUY:
2282 case DRM_FORMAT_AYUV:
2283 case DRM_FORMAT_XYUV8888:
2284 return 1;
2285
2286 case DRM_FORMAT_NV12:
2287 case DRM_FORMAT_NV21:
2288 case DRM_FORMAT_NV16:
2289 case DRM_FORMAT_NV61:
2290 case DRM_FORMAT_P010:
2291 case DRM_FORMAT_P012:
2292 case DRM_FORMAT_P016:
2293 return 2;
2294
2295 case DRM_FORMAT_YUV410:
2296 case DRM_FORMAT_YVU410:
2297 case DRM_FORMAT_YUV411:
2298 case DRM_FORMAT_YVU411:
2299 case DRM_FORMAT_YUV420:
2300 case DRM_FORMAT_YVU420:
2301 case DRM_FORMAT_YUV422:
2302 case DRM_FORMAT_YVU422:
2303 case DRM_FORMAT_YUV444:
2304 case DRM_FORMAT_YVU444:
2305 return 3;
2306
2307 default:
2308 return 0;
2309 }
2310 }
2311
2312 /* Returns the total number of file descriptors. Zero indicates an error. */
2313 static unsigned
2314 dri2_check_dma_buf_format(const _EGLImageAttribs *attrs)
2315 {
2316 unsigned plane_n = dri2_num_fourcc_format_planes(attrs->DMABufFourCC.Value);
2317 if (plane_n == 0) {
2318 _eglError(EGL_BAD_MATCH, "unknown drm fourcc format");
2319 return 0;
2320 }
2321
2322 for (unsigned i = plane_n; i < DMA_BUF_MAX_PLANES; i++) {
2323 /**
2324 * The modifiers extension spec says:
2325 *
2326 * "Modifiers may modify any attribute of a buffer import, including
2327 * but not limited to adding extra planes to a format which
2328 * otherwise does not have those planes. As an example, a modifier
2329 * may add a plane for an external compression buffer to a
2330 * single-plane format. The exact meaning and effect of any
2331 * modifier is canonically defined by drm_fourcc.h, not as part of
2332 * this extension."
2333 */
2334 if (attrs->DMABufPlaneModifiersLo[i].IsPresent &&
2335 attrs->DMABufPlaneModifiersHi[i].IsPresent) {
2336 plane_n = i + 1;
2337 }
2338 }
2339
2340 /**
2341 * The spec says:
2342 *
2343 * "* If <target> is EGL_LINUX_DMA_BUF_EXT, and the list of attributes is
2344 * incomplete, EGL_BAD_PARAMETER is generated."
2345 */
2346 for (unsigned i = 0; i < plane_n; ++i) {
2347 if (!attrs->DMABufPlaneFds[i].IsPresent ||
2348 !attrs->DMABufPlaneOffsets[i].IsPresent ||
2349 !attrs->DMABufPlanePitches[i].IsPresent) {
2350 _eglError(EGL_BAD_PARAMETER, "plane attribute(s) missing");
2351 return 0;
2352 }
2353 }
2354
2355 /**
2356 * The spec also says:
2357 *
2358 * "If <target> is EGL_LINUX_DMA_BUF_EXT, and the EGL_LINUX_DRM_FOURCC_EXT
2359 * attribute indicates a single-plane format, EGL_BAD_ATTRIBUTE is
2360 * generated if any of the EGL_DMA_BUF_PLANE1_* or EGL_DMA_BUF_PLANE2_*
2361 * or EGL_DMA_BUF_PLANE3_* attributes are specified."
2362 */
2363 for (unsigned i = plane_n; i < DMA_BUF_MAX_PLANES; ++i) {
2364 if (attrs->DMABufPlaneFds[i].IsPresent ||
2365 attrs->DMABufPlaneOffsets[i].IsPresent ||
2366 attrs->DMABufPlanePitches[i].IsPresent) {
2367 _eglError(EGL_BAD_ATTRIBUTE, "too many plane attributes");
2368 return 0;
2369 }
2370 }
2371
2372 return plane_n;
2373 }
2374
2375 static EGLBoolean
2376 dri2_query_dma_buf_formats(_EGLDriver *drv, _EGLDisplay *disp,
2377 EGLint max, EGLint *formats, EGLint *count)
2378 {
2379 struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
2380 if (max < 0 || (max > 0 && formats == NULL))
2381 return _eglError(EGL_BAD_PARAMETER, "invalid value for max count of formats");
2382
2383 if (dri2_dpy->image->base.version < 15 ||
2384 dri2_dpy->image->queryDmaBufFormats == NULL)
2385 return EGL_FALSE;
2386
2387 if (!dri2_dpy->image->queryDmaBufFormats(dri2_dpy->dri_screen, max,
2388 formats, count))
2389 return EGL_FALSE;
2390
2391 if (max > 0) {
2392 /* Assert that all of the formats returned are actually fourcc formats.
2393 * Some day, if we want the internal interface function to be able to
2394 * return the fake fourcc formats defined in dri_interface.h, we'll have
2395 * to do something more clever here to pair the list down to just real
2396 * fourcc formats so that we don't leak the fake internal ones.
2397 */
2398 for (int i = 0; i < *count; i++) {
2399 assert(dri2_num_fourcc_format_planes(formats[i]) > 0);
2400 }
2401 }
2402
2403 return EGL_TRUE;
2404 }
2405
2406 static EGLBoolean
2407 dri2_query_dma_buf_modifiers(_EGLDriver *drv, _EGLDisplay *disp, EGLint format,
2408 EGLint max, EGLuint64KHR *modifiers,
2409 EGLBoolean *external_only, EGLint *count)
2410 {
2411 struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
2412
2413 if (dri2_num_fourcc_format_planes(format) == 0)
2414 return _eglError(EGL_BAD_PARAMETER, "invalid fourcc format");
2415
2416 if (max < 0)
2417 return _eglError(EGL_BAD_PARAMETER, "invalid value for max count of formats");
2418
2419 if (max > 0 && modifiers == NULL)
2420 return _eglError(EGL_BAD_PARAMETER, "invalid modifiers array");
2421
2422 if (dri2_dpy->image->base.version < 15 ||
2423 dri2_dpy->image->queryDmaBufModifiers == NULL)
2424 return EGL_FALSE;
2425
2426 if (dri2_dpy->image->queryDmaBufModifiers(dri2_dpy->dri_screen, format,
2427 max, modifiers,
2428 (unsigned int *) external_only,
2429 count) == false)
2430 return _eglError(EGL_BAD_PARAMETER, "invalid format");
2431
2432 return EGL_TRUE;
2433 }
2434
2435 /**
2436 * The spec says:
2437 *
2438 * "If eglCreateImageKHR is successful for a EGL_LINUX_DMA_BUF_EXT target, the
2439 * EGL will take a reference to the dma_buf(s) which it will release at any
2440 * time while the EGLDisplay is initialized. It is the responsibility of the
2441 * application to close the dma_buf file descriptors."
2442 *
2443 * Therefore we must never close or otherwise modify the file descriptors.
2444 */
2445 _EGLImage *
2446 dri2_create_image_dma_buf(_EGLDisplay *disp, _EGLContext *ctx,
2447 EGLClientBuffer buffer, const EGLint *attr_list)
2448 {
2449 struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
2450 _EGLImage *res;
2451 _EGLImageAttribs attrs;
2452 __DRIimage *dri_image;
2453 unsigned num_fds;
2454 int fds[DMA_BUF_MAX_PLANES];
2455 int pitches[DMA_BUF_MAX_PLANES];
2456 int offsets[DMA_BUF_MAX_PLANES];
2457 uint64_t modifier;
2458 bool has_modifier = false;
2459 unsigned error;
2460
2461 /**
2462 * The spec says:
2463 *
2464 * ""* If <target> is EGL_LINUX_DMA_BUF_EXT and <buffer> is not NULL, the
2465 * error EGL_BAD_PARAMETER is generated."
2466 */
2467 if (buffer != NULL) {
2468 _eglError(EGL_BAD_PARAMETER, "buffer not NULL");
2469 return NULL;
2470 }
2471
2472 if (!_eglParseImageAttribList(&attrs, disp, attr_list))
2473 return NULL;
2474
2475 if (!dri2_check_dma_buf_attribs(&attrs))
2476 return NULL;
2477
2478 num_fds = dri2_check_dma_buf_format(&attrs);
2479 if (!num_fds)
2480 return NULL;
2481
2482 for (unsigned i = 0; i < num_fds; ++i) {
2483 fds[i] = attrs.DMABufPlaneFds[i].Value;
2484 pitches[i] = attrs.DMABufPlanePitches[i].Value;
2485 offsets[i] = attrs.DMABufPlaneOffsets[i].Value;
2486 }
2487
2488 /* dri2_check_dma_buf_attribs ensures that the modifier, if available,
2489 * will be present in attrs.DMABufPlaneModifiersLo[0] and
2490 * attrs.DMABufPlaneModifiersHi[0] */
2491 if (attrs.DMABufPlaneModifiersLo[0].IsPresent) {
2492 modifier = combine_u32_into_u64(attrs.DMABufPlaneModifiersHi[0].Value,
2493 attrs.DMABufPlaneModifiersLo[0].Value);
2494 has_modifier = true;
2495 }
2496
2497 if (has_modifier) {
2498 if (dri2_dpy->image->base.version < 15 ||
2499 dri2_dpy->image->createImageFromDmaBufs2 == NULL) {
2500 _eglError(EGL_BAD_MATCH, "unsupported dma_buf format modifier");
2501 return EGL_NO_IMAGE_KHR;
2502 }
2503 dri_image =
2504 dri2_dpy->image->createImageFromDmaBufs2(dri2_dpy->dri_screen,
2505 attrs.Width, attrs.Height, attrs.DMABufFourCC.Value,
2506 modifier, fds, num_fds, pitches, offsets,
2507 attrs.DMABufYuvColorSpaceHint.Value,
2508 attrs.DMABufSampleRangeHint.Value,
2509 attrs.DMABufChromaHorizontalSiting.Value,
2510 attrs.DMABufChromaVerticalSiting.Value,
2511 &error,
2512 NULL);
2513 }
2514 else {
2515 dri_image =
2516 dri2_dpy->image->createImageFromDmaBufs(dri2_dpy->dri_screen,
2517 attrs.Width, attrs.Height, attrs.DMABufFourCC.Value,
2518 fds, num_fds, pitches, offsets,
2519 attrs.DMABufYuvColorSpaceHint.Value,
2520 attrs.DMABufSampleRangeHint.Value,
2521 attrs.DMABufChromaHorizontalSiting.Value,
2522 attrs.DMABufChromaVerticalSiting.Value,
2523 &error,
2524 NULL);
2525 }
2526 dri2_create_image_khr_texture_error(error);
2527
2528 if (!dri_image)
2529 return EGL_NO_IMAGE_KHR;
2530
2531 res = dri2_create_image_from_dri(disp, dri_image);
2532
2533 return res;
2534 }
2535 static _EGLImage *
2536 dri2_create_drm_image_mesa(_EGLDriver *drv, _EGLDisplay *disp,
2537 const EGLint *attr_list)
2538 {
2539 struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
2540 struct dri2_egl_image *dri2_img;
2541 _EGLImageAttribs attrs;
2542 unsigned int dri_use, valid_mask;
2543 int format;
2544
2545 (void) drv;
2546
2547 if (!attr_list) {
2548 _eglError(EGL_BAD_PARAMETER, __func__);
2549 return EGL_NO_IMAGE_KHR;
2550 }
2551
2552 if (!_eglParseImageAttribList(&attrs, disp, attr_list))
2553 return EGL_NO_IMAGE_KHR;
2554
2555 if (attrs.Width <= 0 || attrs.Height <= 0) {
2556 _eglError(EGL_BAD_PARAMETER, __func__);
2557 return EGL_NO_IMAGE_KHR;
2558 }
2559
2560 switch (attrs.DRMBufferFormatMESA) {
2561 case EGL_DRM_BUFFER_FORMAT_ARGB32_MESA:
2562 format = __DRI_IMAGE_FORMAT_ARGB8888;
2563 break;
2564 default:
2565 _eglError(EGL_BAD_PARAMETER, __func__);
2566 return EGL_NO_IMAGE_KHR;
2567 }
2568
2569 valid_mask =
2570 EGL_DRM_BUFFER_USE_SCANOUT_MESA |
2571 EGL_DRM_BUFFER_USE_SHARE_MESA |
2572 EGL_DRM_BUFFER_USE_CURSOR_MESA;
2573 if (attrs.DRMBufferUseMESA & ~valid_mask) {
2574 _eglError(EGL_BAD_PARAMETER, __func__);
2575 return EGL_NO_IMAGE_KHR;
2576 }
2577
2578 dri_use = 0;
2579 if (attrs.DRMBufferUseMESA & EGL_DRM_BUFFER_USE_SHARE_MESA)
2580 dri_use |= __DRI_IMAGE_USE_SHARE;
2581 if (attrs.DRMBufferUseMESA & EGL_DRM_BUFFER_USE_SCANOUT_MESA)
2582 dri_use |= __DRI_IMAGE_USE_SCANOUT;
2583 if (attrs.DRMBufferUseMESA & EGL_DRM_BUFFER_USE_CURSOR_MESA)
2584 dri_use |= __DRI_IMAGE_USE_CURSOR;
2585
2586 dri2_img = malloc(sizeof *dri2_img);
2587 if (!dri2_img) {
2588 _eglError(EGL_BAD_ALLOC, "dri2_create_image_khr");
2589 return EGL_NO_IMAGE_KHR;
2590 }
2591
2592 _eglInitImage(&dri2_img->base, disp);
2593
2594 dri2_img->dri_image =
2595 dri2_dpy->image->createImage(dri2_dpy->dri_screen,
2596 attrs.Width, attrs.Height,
2597 format, dri_use, dri2_img);
2598 if (dri2_img->dri_image == NULL) {
2599 free(dri2_img);
2600 _eglError(EGL_BAD_ALLOC, "dri2_create_drm_image_mesa");
2601 return EGL_NO_IMAGE_KHR;
2602 }
2603
2604 return &dri2_img->base;
2605 }
2606
2607 static EGLBoolean
2608 dri2_export_drm_image_mesa(_EGLDriver *drv, _EGLDisplay *disp, _EGLImage *img,
2609 EGLint *name, EGLint *handle, EGLint *stride)
2610 {
2611 struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
2612 struct dri2_egl_image *dri2_img = dri2_egl_image(img);
2613
2614 (void) drv;
2615
2616 if (name && !dri2_dpy->image->queryImage(dri2_img->dri_image,
2617 __DRI_IMAGE_ATTRIB_NAME, name))
2618 return _eglError(EGL_BAD_ALLOC, "dri2_export_drm_image_mesa");
2619
2620 if (handle)
2621 dri2_dpy->image->queryImage(dri2_img->dri_image,
2622 __DRI_IMAGE_ATTRIB_HANDLE, handle);
2623
2624 if (stride)
2625 dri2_dpy->image->queryImage(dri2_img->dri_image,
2626 __DRI_IMAGE_ATTRIB_STRIDE, stride);
2627
2628 return EGL_TRUE;
2629 }
2630
2631 /**
2632 * Checks if we can support EGL_MESA_image_dma_buf_export on this image.
2633
2634 * The spec provides a boolean return for the driver to reject exporting for
2635 * basically any reason, but doesn't specify any particular error cases. For
2636 * now, we just fail if we don't have a DRM fourcc for the format.
2637 */
2638 static bool
2639 dri2_can_export_dma_buf_image(_EGLDisplay *disp, _EGLImage *img)
2640 {
2641 struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
2642 struct dri2_egl_image *dri2_img = dri2_egl_image(img);
2643 EGLint fourcc;
2644
2645 if (!dri2_dpy->image->queryImage(dri2_img->dri_image,
2646 __DRI_IMAGE_ATTRIB_FOURCC, &fourcc)) {
2647 return false;
2648 }
2649
2650 return true;
2651 }
2652
2653 static EGLBoolean
2654 dri2_export_dma_buf_image_query_mesa(_EGLDriver *drv, _EGLDisplay *disp,
2655 _EGLImage *img,
2656 EGLint *fourcc, EGLint *nplanes,
2657 EGLuint64KHR *modifiers)
2658 {
2659 struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
2660 struct dri2_egl_image *dri2_img = dri2_egl_image(img);
2661 int num_planes;
2662
2663 (void) drv;
2664
2665 if (!dri2_can_export_dma_buf_image(disp, img))
2666 return EGL_FALSE;
2667
2668 dri2_dpy->image->queryImage(dri2_img->dri_image,
2669 __DRI_IMAGE_ATTRIB_NUM_PLANES, &num_planes);
2670 if (nplanes)
2671 *nplanes = num_planes;
2672
2673 if (fourcc)
2674 dri2_dpy->image->queryImage(dri2_img->dri_image,
2675 __DRI_IMAGE_ATTRIB_FOURCC, fourcc);
2676
2677 if (modifiers) {
2678 int mod_hi, mod_lo;
2679 uint64_t modifier = DRM_FORMAT_MOD_INVALID;
2680 bool query;
2681
2682 query = dri2_dpy->image->queryImage(dri2_img->dri_image,
2683 __DRI_IMAGE_ATTRIB_MODIFIER_UPPER,
2684 &mod_hi);
2685 query &= dri2_dpy->image->queryImage(dri2_img->dri_image,
2686 __DRI_IMAGE_ATTRIB_MODIFIER_LOWER,
2687 &mod_lo);
2688 if (query)
2689 modifier = combine_u32_into_u64 (mod_hi, mod_lo);
2690
2691 for (int i = 0; i < num_planes; i++)
2692 modifiers[i] = modifier;
2693 }
2694
2695 return EGL_TRUE;
2696 }
2697
2698 static EGLBoolean
2699 dri2_export_dma_buf_image_mesa(_EGLDriver *drv, _EGLDisplay *disp, _EGLImage *img,
2700 int *fds, EGLint *strides, EGLint *offsets)
2701 {
2702 struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
2703 struct dri2_egl_image *dri2_img = dri2_egl_image(img);
2704 EGLint nplanes;
2705
2706 (void) drv;
2707
2708 if (!dri2_can_export_dma_buf_image(disp, img))
2709 return EGL_FALSE;
2710
2711 /* EGL_MESA_image_dma_buf_export spec says:
2712 * "If the number of fds is less than the number of planes, then
2713 * subsequent fd slots should contain -1."
2714 */
2715 if (fds) {
2716 /* Query nplanes so that we know how big the given array is. */
2717 dri2_dpy->image->queryImage(dri2_img->dri_image,
2718 __DRI_IMAGE_ATTRIB_NUM_PLANES, &nplanes);
2719 memset(fds, -1, nplanes * sizeof(int));
2720 }
2721
2722 /* rework later to provide multiple fds/strides/offsets */
2723 if (fds)
2724 dri2_dpy->image->queryImage(dri2_img->dri_image,
2725 __DRI_IMAGE_ATTRIB_FD, fds);
2726
2727 if (strides)
2728 dri2_dpy->image->queryImage(dri2_img->dri_image,
2729 __DRI_IMAGE_ATTRIB_STRIDE, strides);
2730
2731 if (offsets) {
2732 int img_offset;
2733 bool ret = dri2_dpy->image->queryImage(dri2_img->dri_image,
2734 __DRI_IMAGE_ATTRIB_OFFSET, &img_offset);
2735 if (ret)
2736 offsets[0] = img_offset;
2737 else
2738 offsets[0] = 0;
2739 }
2740
2741 return EGL_TRUE;
2742 }
2743
2744 #endif
2745
2746 _EGLImage *
2747 dri2_create_image_khr(_EGLDriver *drv, _EGLDisplay *disp,
2748 _EGLContext *ctx, EGLenum target,
2749 EGLClientBuffer buffer, const EGLint *attr_list)
2750 {
2751 (void) drv;
2752
2753 switch (target) {
2754 case EGL_GL_TEXTURE_2D_KHR:
2755 case EGL_GL_TEXTURE_CUBE_MAP_POSITIVE_X_KHR:
2756 case EGL_GL_TEXTURE_CUBE_MAP_NEGATIVE_X_KHR:
2757 case EGL_GL_TEXTURE_CUBE_MAP_POSITIVE_Y_KHR:
2758 case EGL_GL_TEXTURE_CUBE_MAP_NEGATIVE_Y_KHR:
2759 case EGL_GL_TEXTURE_CUBE_MAP_POSITIVE_Z_KHR:
2760 case EGL_GL_TEXTURE_CUBE_MAP_NEGATIVE_Z_KHR:
2761 case EGL_GL_TEXTURE_3D_KHR:
2762 return dri2_create_image_khr_texture(disp, ctx, target, buffer, attr_list);
2763 case EGL_GL_RENDERBUFFER_KHR:
2764 return dri2_create_image_khr_renderbuffer(disp, ctx, buffer, attr_list);
2765 #ifdef HAVE_LIBDRM
2766 case EGL_DRM_BUFFER_MESA:
2767 return dri2_create_image_mesa_drm_buffer(disp, ctx, buffer, attr_list);
2768 case EGL_LINUX_DMA_BUF_EXT:
2769 return dri2_create_image_dma_buf(disp, ctx, buffer, attr_list);
2770 #endif
2771 #ifdef HAVE_WAYLAND_PLATFORM
2772 case EGL_WAYLAND_BUFFER_WL:
2773 return dri2_create_image_wayland_wl_buffer(disp, ctx, buffer, attr_list);
2774 #endif
2775 default:
2776 _eglError(EGL_BAD_PARAMETER, "dri2_create_image_khr");
2777 return EGL_NO_IMAGE_KHR;
2778 }
2779 }
2780
2781 static EGLBoolean
2782 dri2_destroy_image_khr(_EGLDriver *drv, _EGLDisplay *disp, _EGLImage *image)
2783 {
2784 struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
2785 struct dri2_egl_image *dri2_img = dri2_egl_image(image);
2786
2787 (void) drv;
2788
2789 dri2_dpy->image->destroyImage(dri2_img->dri_image);
2790 free(dri2_img);
2791
2792 return EGL_TRUE;
2793 }
2794
2795 #ifdef HAVE_WAYLAND_PLATFORM
2796
2797 static void
2798 dri2_wl_reference_buffer(void *user_data, uint32_t name, int fd,
2799 struct wl_drm_buffer *buffer)
2800 {
2801 _EGLDisplay *disp = user_data;
2802 struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
2803 __DRIimage *img;
2804 int dri_components = 0;
2805
2806 if (fd == -1)
2807 img = dri2_dpy->image->createImageFromNames(dri2_dpy->dri_screen,
2808 buffer->width,
2809 buffer->height,
2810 buffer->format,
2811 (int*)&name, 1,
2812 buffer->stride,
2813 buffer->offset,
2814 NULL);
2815 else
2816 img = dri2_dpy->image->createImageFromFds(dri2_dpy->dri_screen,
2817 buffer->width,
2818 buffer->height,
2819 buffer->format,
2820 &fd, 1,
2821 buffer->stride,
2822 buffer->offset,
2823 NULL);
2824
2825 if (img == NULL)
2826 return;
2827
2828 dri2_dpy->image->queryImage(img, __DRI_IMAGE_ATTRIB_COMPONENTS, &dri_components);
2829
2830 buffer->driver_format = NULL;
2831 for (int i = 0; i < ARRAY_SIZE(wl_drm_components); i++)
2832 if (wl_drm_components[i].dri_components == dri_components)
2833 buffer->driver_format = &wl_drm_components[i];
2834
2835 if (buffer->driver_format == NULL)
2836 dri2_dpy->image->destroyImage(img);
2837 else
2838 buffer->driver_buffer = img;
2839 }
2840
2841 static void
2842 dri2_wl_release_buffer(void *user_data, struct wl_drm_buffer *buffer)
2843 {
2844 _EGLDisplay *disp = user_data;
2845 struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
2846
2847 dri2_dpy->image->destroyImage(buffer->driver_buffer);
2848 }
2849
2850 static EGLBoolean
2851 dri2_bind_wayland_display_wl(_EGLDriver *drv, _EGLDisplay *disp,
2852 struct wl_display *wl_dpy)
2853 {
2854 struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
2855 const struct wayland_drm_callbacks wl_drm_callbacks = {
2856 .authenticate = (int(*)(void *, uint32_t)) dri2_dpy->vtbl->authenticate,
2857 .reference_buffer = dri2_wl_reference_buffer,
2858 .release_buffer = dri2_wl_release_buffer,
2859 .is_format_supported = dri2_wl_is_format_supported
2860 };
2861 int flags = 0;
2862 uint64_t cap;
2863
2864 (void) drv;
2865
2866 if (dri2_dpy->wl_server_drm)
2867 return EGL_FALSE;
2868
2869 if (drmGetCap(dri2_dpy->fd, DRM_CAP_PRIME, &cap) == 0 &&
2870 cap == (DRM_PRIME_CAP_IMPORT | DRM_PRIME_CAP_EXPORT) &&
2871 dri2_dpy->image->base.version >= 7 &&
2872 dri2_dpy->image->createImageFromFds != NULL)
2873 flags |= WAYLAND_DRM_PRIME;
2874
2875 dri2_dpy->wl_server_drm =
2876 wayland_drm_init(wl_dpy, dri2_dpy->device_name,
2877 &wl_drm_callbacks, disp, flags);
2878
2879 if (!dri2_dpy->wl_server_drm)
2880 return EGL_FALSE;
2881
2882 #ifdef HAVE_DRM_PLATFORM
2883 /* We have to share the wl_drm instance with gbm, so gbm can convert
2884 * wl_buffers to gbm bos. */
2885 if (dri2_dpy->gbm_dri)
2886 dri2_dpy->gbm_dri->wl_drm = dri2_dpy->wl_server_drm;
2887 #endif
2888
2889 return EGL_TRUE;
2890 }
2891
2892 static EGLBoolean
2893 dri2_unbind_wayland_display_wl(_EGLDriver *drv, _EGLDisplay *disp,
2894 struct wl_display *wl_dpy)
2895 {
2896 struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
2897
2898 (void) drv;
2899
2900 if (!dri2_dpy->wl_server_drm)
2901 return EGL_FALSE;
2902
2903 wayland_drm_uninit(dri2_dpy->wl_server_drm);
2904 dri2_dpy->wl_server_drm = NULL;
2905
2906 return EGL_TRUE;
2907 }
2908
2909 static EGLBoolean
2910 dri2_query_wayland_buffer_wl(_EGLDriver *drv, _EGLDisplay *disp,
2911 struct wl_resource *buffer_resource,
2912 EGLint attribute, EGLint *value)
2913 {
2914 struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
2915 struct wl_drm_buffer *buffer;
2916 const struct wl_drm_components_descriptor *format;
2917
2918 buffer = wayland_drm_buffer_get(dri2_dpy->wl_server_drm, buffer_resource);
2919 if (!buffer)
2920 return EGL_FALSE;
2921
2922 format = buffer->driver_format;
2923 switch (attribute) {
2924 case EGL_TEXTURE_FORMAT:
2925 *value = format->components;
2926 return EGL_TRUE;
2927 case EGL_WIDTH:
2928 *value = buffer->width;
2929 return EGL_TRUE;
2930 case EGL_HEIGHT:
2931 *value = buffer->height;
2932 return EGL_TRUE;
2933 }
2934
2935 return EGL_FALSE;
2936 }
2937 #endif
2938
2939 static void
2940 dri2_egl_ref_sync(struct dri2_egl_sync *sync)
2941 {
2942 p_atomic_inc(&sync->refcount);
2943 }
2944
2945 static void
2946 dri2_egl_unref_sync(struct dri2_egl_display *dri2_dpy,
2947 struct dri2_egl_sync *dri2_sync)
2948 {
2949 if (p_atomic_dec_zero(&dri2_sync->refcount)) {
2950 switch (dri2_sync->base.Type) {
2951 case EGL_SYNC_REUSABLE_KHR:
2952 cnd_destroy(&dri2_sync->cond);
2953 break;
2954 case EGL_SYNC_NATIVE_FENCE_ANDROID:
2955 if (dri2_sync->base.SyncFd != EGL_NO_NATIVE_FENCE_FD_ANDROID)
2956 close(dri2_sync->base.SyncFd);
2957 break;
2958 default:
2959 break;
2960 }
2961
2962 if (dri2_sync->fence)
2963 dri2_dpy->fence->destroy_fence(dri2_dpy->dri_screen, dri2_sync->fence);
2964
2965 free(dri2_sync);
2966 }
2967 }
2968
2969 static _EGLSync *
2970 dri2_create_sync(_EGLDriver *drv, _EGLDisplay *disp,
2971 EGLenum type, const EGLAttrib *attrib_list)
2972 {
2973 _EGLContext *ctx = _eglGetCurrentContext();
2974 struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
2975 struct dri2_egl_context *dri2_ctx = dri2_egl_context(ctx);
2976 struct dri2_egl_sync *dri2_sync;
2977 EGLint ret;
2978 pthread_condattr_t attr;
2979
2980 dri2_sync = calloc(1, sizeof(struct dri2_egl_sync));
2981 if (!dri2_sync) {
2982 _eglError(EGL_BAD_ALLOC, "eglCreateSyncKHR");
2983 return NULL;
2984 }
2985
2986 if (!_eglInitSync(&dri2_sync->base, disp, type, attrib_list)) {
2987 free(dri2_sync);
2988 return NULL;
2989 }
2990
2991 switch (type) {
2992 case EGL_SYNC_FENCE_KHR:
2993 dri2_sync->fence = dri2_dpy->fence->create_fence(dri2_ctx->dri_context);
2994 if (!dri2_sync->fence) {
2995 /* Why did it fail? DRI doesn't return an error code, so we emit
2996 * a generic EGL error that doesn't communicate user error.
2997 */
2998 _eglError(EGL_BAD_ALLOC, "eglCreateSyncKHR");
2999 free(dri2_sync);
3000 return NULL;
3001 }
3002 break;
3003
3004 case EGL_SYNC_CL_EVENT_KHR:
3005 dri2_sync->fence = dri2_dpy->fence->get_fence_from_cl_event(
3006 dri2_dpy->dri_screen,
3007 dri2_sync->base.CLEvent);
3008 /* this can only happen if the cl_event passed in is invalid. */
3009 if (!dri2_sync->fence) {
3010 _eglError(EGL_BAD_ATTRIBUTE, "eglCreateSyncKHR");
3011 free(dri2_sync);
3012 return NULL;
3013 }
3014
3015 /* the initial status must be "signaled" if the cl_event is signaled */
3016 if (dri2_dpy->fence->client_wait_sync(dri2_ctx->dri_context,
3017 dri2_sync->fence, 0, 0))
3018 dri2_sync->base.SyncStatus = EGL_SIGNALED_KHR;
3019 break;
3020
3021 case EGL_SYNC_REUSABLE_KHR:
3022 /* intialize attr */
3023 ret = pthread_condattr_init(&attr);
3024
3025 if (ret) {
3026 _eglError(EGL_BAD_ACCESS, "eglCreateSyncKHR");
3027 free(dri2_sync);
3028 return NULL;
3029 }
3030
3031 /* change clock attribute to CLOCK_MONOTONIC */
3032 ret = pthread_condattr_setclock(&attr, CLOCK_MONOTONIC);
3033
3034 if (ret) {
3035 _eglError(EGL_BAD_ACCESS, "eglCreateSyncKHR");
3036 free(dri2_sync);
3037 return NULL;
3038 }
3039
3040 ret = pthread_cond_init(&dri2_sync->cond, &attr);
3041
3042 if (ret) {
3043 _eglError(EGL_BAD_ACCESS, "eglCreateSyncKHR");
3044 free(dri2_sync);
3045 return NULL;
3046 }
3047
3048 /* initial status of reusable sync must be "unsignaled" */
3049 dri2_sync->base.SyncStatus = EGL_UNSIGNALED_KHR;
3050 break;
3051
3052 case EGL_SYNC_NATIVE_FENCE_ANDROID:
3053 if (dri2_dpy->fence->create_fence_fd) {
3054 dri2_sync->fence = dri2_dpy->fence->create_fence_fd(
3055 dri2_ctx->dri_context,
3056 dri2_sync->base.SyncFd);
3057 }
3058 if (!dri2_sync->fence) {
3059 _eglError(EGL_BAD_ATTRIBUTE, "eglCreateSyncKHR");
3060 free(dri2_sync);
3061 return NULL;
3062 }
3063 break;
3064 }
3065
3066 p_atomic_set(&dri2_sync->refcount, 1);
3067 return &dri2_sync->base;
3068 }
3069
3070 static EGLBoolean
3071 dri2_destroy_sync(_EGLDriver *drv, _EGLDisplay *disp, _EGLSync *sync)
3072 {
3073 struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
3074 struct dri2_egl_sync *dri2_sync = dri2_egl_sync(sync);
3075 EGLint ret = EGL_TRUE;
3076 EGLint err;
3077
3078 /* if type of sync is EGL_SYNC_REUSABLE_KHR and it is not signaled yet,
3079 * then unlock all threads possibly blocked by the reusable sync before
3080 * destroying it.
3081 */
3082 if (dri2_sync->base.Type == EGL_SYNC_REUSABLE_KHR &&
3083 dri2_sync->base.SyncStatus == EGL_UNSIGNALED_KHR) {
3084 dri2_sync->base.SyncStatus = EGL_SIGNALED_KHR;
3085 /* unblock all threads currently blocked by sync */
3086 err = cnd_broadcast(&dri2_sync->cond);
3087
3088 if (err) {
3089 _eglError(EGL_BAD_ACCESS, "eglDestroySyncKHR");
3090 ret = EGL_FALSE;
3091 }
3092 }
3093
3094 dri2_egl_unref_sync(dri2_dpy, dri2_sync);
3095
3096 return ret;
3097 }
3098
3099 static EGLint
3100 dri2_dup_native_fence_fd(_EGLDriver *drv, _EGLDisplay *disp, _EGLSync *sync)
3101 {
3102 struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
3103 struct dri2_egl_sync *dri2_sync = dri2_egl_sync(sync);
3104
3105 assert(sync->Type == EGL_SYNC_NATIVE_FENCE_ANDROID);
3106
3107 if (sync->SyncFd == EGL_NO_NATIVE_FENCE_FD_ANDROID) {
3108 /* try to retrieve the actual native fence fd.. if rendering is
3109 * not flushed this will just return -1, aka NO_NATIVE_FENCE_FD:
3110 */
3111 sync->SyncFd = dri2_dpy->fence->get_fence_fd(dri2_dpy->dri_screen,
3112 dri2_sync->fence);
3113 }
3114
3115 if (sync->SyncFd == EGL_NO_NATIVE_FENCE_FD_ANDROID) {
3116 /* if native fence fd still not created, return an error: */
3117 _eglError(EGL_BAD_PARAMETER, "eglDupNativeFenceFDANDROID");
3118 return EGL_NO_NATIVE_FENCE_FD_ANDROID;
3119 }
3120
3121 return dup(sync->SyncFd);
3122 }
3123
3124 static void
3125 dri2_set_blob_cache_funcs(_EGLDriver *drv, _EGLDisplay *disp,
3126 EGLSetBlobFuncANDROID set,
3127 EGLGetBlobFuncANDROID get)
3128 {
3129 struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
3130 dri2_dpy->blob->set_cache_funcs(dri2_dpy->dri_screen,
3131 disp->BlobCacheSet,
3132 disp->BlobCacheGet);
3133 }
3134
3135 static EGLint
3136 dri2_client_wait_sync(_EGLDriver *drv, _EGLDisplay *disp, _EGLSync *sync,
3137 EGLint flags, EGLTime timeout)
3138 {
3139 _EGLContext *ctx = _eglGetCurrentContext();
3140 struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
3141 struct dri2_egl_context *dri2_ctx = dri2_egl_context(ctx);
3142 struct dri2_egl_sync *dri2_sync = dri2_egl_sync(sync);
3143 unsigned wait_flags = 0;
3144
3145 EGLint ret = EGL_CONDITION_SATISFIED_KHR;
3146
3147 /* The EGL_KHR_fence_sync spec states:
3148 *
3149 * "If no context is current for the bound API,
3150 * the EGL_SYNC_FLUSH_COMMANDS_BIT_KHR bit is ignored.
3151 */
3152 if (dri2_ctx && flags & EGL_SYNC_FLUSH_COMMANDS_BIT_KHR)
3153 wait_flags |= __DRI2_FENCE_FLAG_FLUSH_COMMANDS;
3154
3155 /* the sync object should take a reference while waiting */
3156 dri2_egl_ref_sync(dri2_sync);
3157
3158 switch (sync->Type) {
3159 case EGL_SYNC_FENCE_KHR:
3160 case EGL_SYNC_NATIVE_FENCE_ANDROID:
3161 case EGL_SYNC_CL_EVENT_KHR:
3162 if (dri2_dpy->fence->client_wait_sync(dri2_ctx ? dri2_ctx->dri_context : NULL,
3163 dri2_sync->fence, wait_flags,
3164 timeout))
3165 dri2_sync->base.SyncStatus = EGL_SIGNALED_KHR;
3166 else
3167 ret = EGL_TIMEOUT_EXPIRED_KHR;
3168 break;
3169
3170 case EGL_SYNC_REUSABLE_KHR:
3171 if (dri2_ctx && dri2_sync->base.SyncStatus == EGL_UNSIGNALED_KHR &&
3172 (flags & EGL_SYNC_FLUSH_COMMANDS_BIT_KHR)) {
3173 /* flush context if EGL_SYNC_FLUSH_COMMANDS_BIT_KHR is set */
3174 dri2_gl_flush();
3175 }
3176
3177 /* if timeout is EGL_FOREVER_KHR, it should wait without any timeout.*/
3178 if (timeout == EGL_FOREVER_KHR) {
3179 mtx_lock(&dri2_sync->mutex);
3180 cnd_wait(&dri2_sync->cond, &dri2_sync->mutex);
3181 mtx_unlock(&dri2_sync->mutex);
3182 } else {
3183 /* if reusable sync has not been yet signaled */
3184 if (dri2_sync->base.SyncStatus != EGL_SIGNALED_KHR) {
3185 /* timespecs for cnd_timedwait */
3186 struct timespec current;
3187 struct timespec expire;
3188
3189 /* We override the clock to monotonic when creating the condition
3190 * variable. */
3191 clock_gettime(CLOCK_MONOTONIC, &current);
3192
3193 /* calculating when to expire */
3194 expire.tv_nsec = timeout % 1000000000L;
3195 expire.tv_sec = timeout / 1000000000L;
3196
3197 expire.tv_nsec += current.tv_nsec;
3198 expire.tv_sec += current.tv_sec;
3199
3200 /* expire.nsec now is a number between 0 and 1999999998 */
3201 if (expire.tv_nsec > 999999999L) {
3202 expire.tv_sec++;
3203 expire.tv_nsec -= 1000000000L;
3204 }
3205
3206 mtx_lock(&dri2_sync->mutex);
3207 ret = cnd_timedwait(&dri2_sync->cond, &dri2_sync->mutex, &expire);
3208 mtx_unlock(&dri2_sync->mutex);
3209
3210 if (ret == thrd_busy) {
3211 if (dri2_sync->base.SyncStatus == EGL_UNSIGNALED_KHR) {
3212 ret = EGL_TIMEOUT_EXPIRED_KHR;
3213 } else {
3214 _eglError(EGL_BAD_ACCESS, "eglClientWaitSyncKHR");
3215 ret = EGL_FALSE;
3216 }
3217 }
3218 }
3219 }
3220 break;
3221 }
3222 dri2_egl_unref_sync(dri2_dpy, dri2_sync);
3223
3224 return ret;
3225 }
3226
3227 static EGLBoolean
3228 dri2_signal_sync(_EGLDriver *drv, _EGLDisplay *disp, _EGLSync *sync,
3229 EGLenum mode)
3230 {
3231 struct dri2_egl_sync *dri2_sync = dri2_egl_sync(sync);
3232 EGLint ret;
3233
3234 if (sync->Type != EGL_SYNC_REUSABLE_KHR)
3235 return _eglError(EGL_BAD_MATCH, "eglSignalSyncKHR");
3236
3237 if (mode != EGL_SIGNALED_KHR && mode != EGL_UNSIGNALED_KHR)
3238 return _eglError(EGL_BAD_ATTRIBUTE, "eglSignalSyncKHR");
3239
3240 dri2_sync->base.SyncStatus = mode;
3241
3242 if (mode == EGL_SIGNALED_KHR) {
3243 ret = cnd_broadcast(&dri2_sync->cond);
3244
3245 /* fail to broadcast */
3246 if (ret)
3247 return _eglError(EGL_BAD_ACCESS, "eglSignalSyncKHR");
3248 }
3249
3250 return EGL_TRUE;
3251 }
3252
3253 static EGLint
3254 dri2_server_wait_sync(_EGLDriver *drv, _EGLDisplay *disp, _EGLSync *sync)
3255 {
3256 _EGLContext *ctx = _eglGetCurrentContext();
3257 struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
3258 struct dri2_egl_context *dri2_ctx = dri2_egl_context(ctx);
3259 struct dri2_egl_sync *dri2_sync = dri2_egl_sync(sync);
3260
3261 dri2_dpy->fence->server_wait_sync(dri2_ctx->dri_context,
3262 dri2_sync->fence, 0);
3263 return EGL_TRUE;
3264 }
3265
3266 static int
3267 dri2_interop_query_device_info(_EGLDisplay *disp, _EGLContext *ctx,
3268 struct mesa_glinterop_device_info *out)
3269 {
3270 struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
3271 struct dri2_egl_context *dri2_ctx = dri2_egl_context(ctx);
3272
3273 if (!dri2_dpy->interop)
3274 return MESA_GLINTEROP_UNSUPPORTED;
3275
3276 return dri2_dpy->interop->query_device_info(dri2_ctx->dri_context, out);
3277 }
3278
3279 static int
3280 dri2_interop_export_object(_EGLDisplay *disp, _EGLContext *ctx,
3281 struct mesa_glinterop_export_in *in,
3282 struct mesa_glinterop_export_out *out)
3283 {
3284 struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
3285 struct dri2_egl_context *dri2_ctx = dri2_egl_context(ctx);
3286
3287 if (!dri2_dpy->interop)
3288 return MESA_GLINTEROP_UNSUPPORTED;
3289
3290 return dri2_dpy->interop->export_object(dri2_ctx->dri_context, in, out);
3291 }
3292
3293 /**
3294 * This is the main entrypoint into the driver, called by libEGL.
3295 * Gets an _EGLDriver object and init its dispatch table.
3296 */
3297 void
3298 _eglInitDriver(_EGLDriver *dri2_drv)
3299 {
3300 dri2_drv->API.Initialize = dri2_initialize;
3301 dri2_drv->API.Terminate = dri2_terminate;
3302 dri2_drv->API.CreateContext = dri2_create_context;
3303 dri2_drv->API.DestroyContext = dri2_destroy_context;
3304 dri2_drv->API.MakeCurrent = dri2_make_current;
3305 dri2_drv->API.CreateWindowSurface = dri2_create_window_surface;
3306 dri2_drv->API.CreatePixmapSurface = dri2_create_pixmap_surface;
3307 dri2_drv->API.CreatePbufferSurface = dri2_create_pbuffer_surface;
3308 dri2_drv->API.DestroySurface = dri2_destroy_surface;
3309 dri2_drv->API.GetProcAddress = dri2_get_proc_address;
3310 dri2_drv->API.WaitClient = dri2_wait_client;
3311 dri2_drv->API.WaitNative = dri2_wait_native;
3312 dri2_drv->API.BindTexImage = dri2_bind_tex_image;
3313 dri2_drv->API.ReleaseTexImage = dri2_release_tex_image;
3314 dri2_drv->API.SwapInterval = dri2_swap_interval;
3315 dri2_drv->API.SwapBuffers = dri2_swap_buffers;
3316 dri2_drv->API.SwapBuffersWithDamageEXT = dri2_swap_buffers_with_damage;
3317 dri2_drv->API.SwapBuffersRegionNOK = dri2_swap_buffers_region;
3318 dri2_drv->API.SetDamageRegion = dri2_set_damage_region;
3319 dri2_drv->API.PostSubBufferNV = dri2_post_sub_buffer;
3320 dri2_drv->API.CopyBuffers = dri2_copy_buffers,
3321 dri2_drv->API.QueryBufferAge = dri2_query_buffer_age;
3322 dri2_drv->API.CreateImageKHR = dri2_create_image;
3323 dri2_drv->API.DestroyImageKHR = dri2_destroy_image_khr;
3324 dri2_drv->API.CreateWaylandBufferFromImageWL = dri2_create_wayland_buffer_from_image;
3325 dri2_drv->API.QuerySurface = dri2_query_surface;
3326 dri2_drv->API.QueryDriverName = dri2_query_driver_name;
3327 dri2_drv->API.QueryDriverConfig = dri2_query_driver_config;
3328 #ifdef HAVE_LIBDRM
3329 dri2_drv->API.CreateDRMImageMESA = dri2_create_drm_image_mesa;
3330 dri2_drv->API.ExportDRMImageMESA = dri2_export_drm_image_mesa;
3331 dri2_drv->API.ExportDMABUFImageQueryMESA = dri2_export_dma_buf_image_query_mesa;
3332 dri2_drv->API.ExportDMABUFImageMESA = dri2_export_dma_buf_image_mesa;
3333 dri2_drv->API.QueryDmaBufFormatsEXT = dri2_query_dma_buf_formats;
3334 dri2_drv->API.QueryDmaBufModifiersEXT = dri2_query_dma_buf_modifiers;
3335 #endif
3336 #ifdef HAVE_WAYLAND_PLATFORM
3337 dri2_drv->API.BindWaylandDisplayWL = dri2_bind_wayland_display_wl;
3338 dri2_drv->API.UnbindWaylandDisplayWL = dri2_unbind_wayland_display_wl;
3339 dri2_drv->API.QueryWaylandBufferWL = dri2_query_wayland_buffer_wl;
3340 #endif
3341 dri2_drv->API.GetSyncValuesCHROMIUM = dri2_get_sync_values_chromium;
3342 dri2_drv->API.CreateSyncKHR = dri2_create_sync;
3343 dri2_drv->API.ClientWaitSyncKHR = dri2_client_wait_sync;
3344 dri2_drv->API.SignalSyncKHR = dri2_signal_sync;
3345 dri2_drv->API.WaitSyncKHR = dri2_server_wait_sync;
3346 dri2_drv->API.DestroySyncKHR = dri2_destroy_sync;
3347 dri2_drv->API.GLInteropQueryDeviceInfo = dri2_interop_query_device_info;
3348 dri2_drv->API.GLInteropExportObject = dri2_interop_export_object;
3349 dri2_drv->API.DupNativeFenceFDANDROID = dri2_dup_native_fence_fd;
3350 dri2_drv->API.SetBlobCacheFuncsANDROID = dri2_set_blob_cache_funcs;
3351 }