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