projects / mesa.git / blob
? search:
summary | shortlog | log | commit | commitdiff | tree
history | raw | HEAD
egl: Fix A2RGB10 platform_{device,surfaceless} PBuffer configs.
[mesa.git] / src / egl / drivers / dri2 / egl_dri2.c
1 /*
2 * Copyright © 2010 Intel Corporation
3 *
4 * Permission is hereby granted, free of charge, to any person obtaining a
5 * copy of this software and associated documentation files (the "Software"),
6 * to deal in the Software without restriction, including without limitation
7 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
8 * and/or sell copies of the Software, and to permit persons to whom the
9 * Software is furnished to do so, subject to the following conditions:
10 *
11 * The above copyright notice and this permission notice (including the next
12 * paragraph) shall be included in all copies or substantial portions of the
13 * Software.
14 *
15 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
16 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
17 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
18 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
19 * HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
20 * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
21 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
22 * DEALINGS IN THE SOFTWARE.
23 *
24 * Authors:
25 * Kristian Høgsberg <krh@bitplanet.net>
26 */
27
28 #include <stdbool.h>
29 #include <stdint.h>
30 #include <stdbool.h>
31 #include <stdlib.h>
32 #include <string.h>
33 #include <stdio.h>
34 #include <limits.h>
35 #include <dlfcn.h>
36 #include <fcntl.h>
37 #include <errno.h>
38 #include <unistd.h>
39 #include <c11/threads.h>
40 #include <time.h>
41 #ifdef HAVE_LIBDRM
42 #include <xf86drm.h>
43 #include "drm-uapi/drm_fourcc.h"
44 #endif
45 #include <GL/gl.h>
46 #include <GL/internal/dri_interface.h>
47 #include <sys/types.h>
48 #include <sys/stat.h>
49
50 #ifdef HAVE_WAYLAND_PLATFORM
51 #include <wayland-client.h>
52 #include "wayland-drm.h"
53 #include "wayland-drm-client-protocol.h"
54 #include "linux-dmabuf-unstable-v1-client-protocol.h"
55 #endif
56
57 #ifdef HAVE_X11_PLATFORM
58 #include "X11/Xlibint.h"
59 #endif
60
61 #include "egldefines.h"
62 #include "egl_dri2.h"
63 #include "GL/mesa_glinterop.h"
64 #include "loader/loader.h"
65 #include "util/u_atomic.h"
66 #include "util/u_vector.h"
67 #include "mapi/glapi/glapi.h"
68 #include "util/bitscan.h"
69 #include "util/u_math.h"
70
71 /* Additional definitions not yet in the drm_fourcc.h.
72 */
73 #ifndef DRM_FORMAT_P010
74 #define DRM_FORMAT_P010 fourcc_code('P', '0', '1', '0') /* 2x2 subsampled Cb:Cr plane 10 bits per channel */
75 #endif
76
77 #ifndef DRM_FORMAT_P012
78 #define DRM_FORMAT_P012 fourcc_code('P', '0', '1', '2') /* 2x2 subsampled Cb:Cr plane 12 bits per channel */
79 #endif
80
81 #ifndef DRM_FORMAT_P016
82 #define DRM_FORMAT_P016 fourcc_code('P', '0', '1', '6') /* 2x2 subsampled Cb:Cr plane 16 bits per channel */
83 #endif
84
85 #define NUM_ATTRIBS 12
86
87 static const struct dri2_pbuffer_visual {
88 unsigned int dri_image_format;
89 int rgba_shifts[4];
90 unsigned int rgba_sizes[4];
91 } dri2_pbuffer_visuals[] = {
92 {
93 __DRI_IMAGE_FORMAT_ABGR16161616F,
94 { 0, 16, 32, 48 },
95 { 16, 16, 16, 16 }
96 },
97 {
98 __DRI_IMAGE_FORMAT_XBGR16161616F,
99 { 0, 16, 32, -1 },
100 { 16, 16, 16, 0 }
101 },
102 {
103 __DRI_IMAGE_FORMAT_ARGB2101010,
104 { 20, 10, 0, 30 },
105 { 10, 10, 10, 2 }
106 },
107 {
108 __DRI_IMAGE_FORMAT_XRGB2101010,
109 { 20, 10, 0, -1 },
110 { 10, 10, 10, 0 }
111 },
112 {
113 __DRI_IMAGE_FORMAT_ARGB8888,
114 { 16, 8, 0, 24 },
115 { 8, 8, 8, 8 }
116 },
117 {
118 __DRI_IMAGE_FORMAT_XRGB8888,
119 { 16, 8, 0, -1 },
120 { 8, 8, 8, 0 }
121 },
122 {
123 __DRI_IMAGE_FORMAT_RGB565,
124 { 11, 5, 0, -1 },
125 { 5, 6, 5, 0 }
126 },
127 };
128
129 static void
130 dri_set_background_context(void *loaderPrivate)
131 {
132 _EGLContext *ctx = _eglGetCurrentContext();
133 _EGLThreadInfo *t = _eglGetCurrentThread();
134
135 _eglBindContextToThread(ctx, t);
136 }
137
138 static void
139 dri2_gl_flush()
140 {
141 static void (*glFlush)(void);
142 static mtx_t glFlushMutex = _MTX_INITIALIZER_NP;
143
144 mtx_lock(&glFlushMutex);
145 if (!glFlush)
146 glFlush = _glapi_get_proc_address("glFlush");
147 mtx_unlock(&glFlushMutex);
148
149 /* if glFlush is not available things are horribly broken */
150 if (!glFlush) {
151 _eglLog(_EGL_WARNING, "DRI2: failed to find glFlush entry point");
152 return;
153 }
154
155 glFlush();
156 }
157
158 static GLboolean
159 dri_is_thread_safe(void *loaderPrivate)
160 {
161 struct dri2_egl_surface *dri2_surf = loaderPrivate;
162 UNUSED _EGLDisplay *display = dri2_surf->base.Resource.Display;
163
164 #ifdef HAVE_X11_PLATFORM
165 Display *xdpy = (Display*)display->PlatformDisplay;
166
167 /* Check Xlib is running in thread safe mode when running on EGL/X11-xlib
168 * platform
169 *
170 * 'lock_fns' is the XLockDisplay function pointer of the X11 display 'dpy'.
171 * It wll be NULL if XInitThreads wasn't called.
172 */
173 if (display->Platform == _EGL_PLATFORM_X11 && xdpy && !xdpy->lock_fns)
174 return false;
175 #endif
176
177 #ifdef HAVE_WAYLAND_PLATFORM
178 if (display->Platform == _EGL_PLATFORM_WAYLAND)
179 return true;
180 #endif
181
182 return true;
183 }
184
185 const __DRIbackgroundCallableExtension background_callable_extension = {
186 .base = { __DRI_BACKGROUND_CALLABLE, 2 },
187
188 .setBackgroundContext = dri_set_background_context,
189 .isThreadSafe = dri_is_thread_safe,
190 };
191
192 const __DRIuseInvalidateExtension use_invalidate = {
193 .base = { __DRI_USE_INVALIDATE, 1 }
194 };
195
196 static void
197 dri2_get_pbuffer_drawable_info(__DRIdrawable * draw,
198 int *x, int *y, int *w, int *h,
199 void *loaderPrivate)
200 {
201 struct dri2_egl_surface *dri2_surf = loaderPrivate;
202
203 *x = *y = 0;
204 *w = dri2_surf->base.Width;
205 *h = dri2_surf->base.Height;
206 }
207
208 static int
209 dri2_get_bytes_per_pixel(struct dri2_egl_surface *dri2_surf)
210 {
211 const int depth = dri2_surf->base.Config->BufferSize;
212 return depth ? util_next_power_of_two(depth / 8) : 0;
213 }
214
215 static void
216 dri2_put_image(__DRIdrawable * draw, int op,
217 int x, int y, int w, int h,
218 char *data, void *loaderPrivate)
219 {
220 struct dri2_egl_surface *dri2_surf = loaderPrivate;
221 const int bpp = dri2_get_bytes_per_pixel(dri2_surf);
222 const int width = dri2_surf->base.Width;
223 const int height = dri2_surf->base.Height;
224 const int dst_stride = width*bpp;
225 const int src_stride = w*bpp;
226 const int x_offset = x*bpp;
227 int copy_width = src_stride;
228
229 if (!dri2_surf->swrast_device_buffer)
230 dri2_surf->swrast_device_buffer = malloc(height*dst_stride);
231
232 if (dri2_surf->swrast_device_buffer) {
233 const char *src = data;
234 char *dst = dri2_surf->swrast_device_buffer;
235
236 dst += x_offset;
237 dst += y*dst_stride;
238
239 /* Drivers are allowed to submit OOB PutImage requests, so clip here. */
240 if (copy_width > dst_stride - x_offset)
241 copy_width = dst_stride - x_offset;
242 if (h > height - y)
243 h = height - y;
244
245 for (; 0 < h; --h) {
246 memcpy(dst, src, copy_width);
247 dst += dst_stride;
248 src += src_stride;
249 }
250 }
251 }
252
253 static void
254 dri2_get_image(__DRIdrawable * read,
255 int x, int y, int w, int h,
256 char *data, void *loaderPrivate)
257 {
258 struct dri2_egl_surface *dri2_surf = loaderPrivate;
259 const int bpp = dri2_get_bytes_per_pixel(dri2_surf);
260 const int width = dri2_surf->base.Width;
261 const int height = dri2_surf->base.Height;
262 const int src_stride = width*bpp;
263 const int dst_stride = w*bpp;
264 const int x_offset = x*bpp;
265 int copy_width = dst_stride;
266 const char *src = dri2_surf->swrast_device_buffer;
267 char *dst = data;
268
269 if (!src) {
270 memset(data, 0, copy_width * h);
271 return;
272 }
273
274 src += x_offset;
275 src += y*src_stride;
276
277 /* Drivers are allowed to submit OOB GetImage requests, so clip here. */
278 if (copy_width > src_stride - x_offset)
279 copy_width = src_stride - x_offset;
280 if (h > height - y)
281 h = height - y;
282
283 for (; 0 < h; --h) {
284 memcpy(dst, src, copy_width);
285 src += src_stride;
286 dst += dst_stride;
287 }
288
289 }
290
291 /* HACK: technically we should have swrast_null, instead of these.
292 */
293 const __DRIswrastLoaderExtension swrast_pbuffer_loader_extension = {
294 .base = { __DRI_SWRAST_LOADER, 1 },
295 .getDrawableInfo = dri2_get_pbuffer_drawable_info,
296 .putImage = dri2_put_image,
297 .getImage = dri2_get_image,
298 };
299
300 static const EGLint dri2_to_egl_attribute_map[__DRI_ATTRIB_MAX] = {
301 [__DRI_ATTRIB_BUFFER_SIZE ] = EGL_BUFFER_SIZE,
302 [__DRI_ATTRIB_LEVEL] = EGL_LEVEL,
303 [__DRI_ATTRIB_LUMINANCE_SIZE] = EGL_LUMINANCE_SIZE,
304 [__DRI_ATTRIB_DEPTH_SIZE] = EGL_DEPTH_SIZE,
305 [__DRI_ATTRIB_STENCIL_SIZE] = EGL_STENCIL_SIZE,
306 [__DRI_ATTRIB_SAMPLE_BUFFERS] = EGL_SAMPLE_BUFFERS,
307 [__DRI_ATTRIB_SAMPLES] = EGL_SAMPLES,
308 [__DRI_ATTRIB_MAX_PBUFFER_WIDTH] = EGL_MAX_PBUFFER_WIDTH,
309 [__DRI_ATTRIB_MAX_PBUFFER_HEIGHT] = EGL_MAX_PBUFFER_HEIGHT,
310 [__DRI_ATTRIB_MAX_PBUFFER_PIXELS] = EGL_MAX_PBUFFER_PIXELS,
311 [__DRI_ATTRIB_MAX_SWAP_INTERVAL] = EGL_MAX_SWAP_INTERVAL,
312 [__DRI_ATTRIB_MIN_SWAP_INTERVAL] = EGL_MIN_SWAP_INTERVAL,
313 [__DRI_ATTRIB_YINVERTED] = EGL_Y_INVERTED_NOK,
314 };
315
316 const __DRIconfig *
317 dri2_get_dri_config(struct dri2_egl_config *conf, EGLint surface_type,
318 EGLenum colorspace)
319 {
320 const bool double_buffer = surface_type == EGL_WINDOW_BIT;
321 const bool srgb = colorspace == EGL_GL_COLORSPACE_SRGB_KHR;
322
323 return conf->dri_config[double_buffer][srgb];
324 }
325
326 static EGLBoolean
327 dri2_match_config(const _EGLConfig *conf, const _EGLConfig *criteria)
328 {
329 if (_eglCompareConfigs(conf, criteria, NULL, EGL_FALSE) != 0)
330 return EGL_FALSE;
331
332 if (!_eglMatchConfig(conf, criteria))
333 return EGL_FALSE;
334
335 return EGL_TRUE;
336 }
337
338 void
339 dri2_get_shifts_and_sizes(const __DRIcoreExtension *core,
340 const __DRIconfig *config, int *shifts,
341 unsigned int *sizes)
342 {
343 unsigned int mask;
344
345 if (core->getConfigAttrib(config, __DRI_ATTRIB_RED_SHIFT, (unsigned int *)&shifts[0])) {
346 core->getConfigAttrib(config, __DRI_ATTRIB_GREEN_SHIFT, (unsigned int *)&shifts[1]);
347 core->getConfigAttrib(config, __DRI_ATTRIB_BLUE_SHIFT, (unsigned int *)&shifts[2]);
348 core->getConfigAttrib(config, __DRI_ATTRIB_ALPHA_SHIFT, (unsigned int *)&shifts[3]);
349 } else {
350 /* Driver isn't exposing shifts, so convert masks to shifts */
351 core->getConfigAttrib(config, __DRI_ATTRIB_RED_MASK, &mask);
352 shifts[0] = ffs(mask) - 1;
353 core->getConfigAttrib(config, __DRI_ATTRIB_GREEN_MASK, &mask);
354 shifts[1] = ffs(mask) - 1;
355 core->getConfigAttrib(config, __DRI_ATTRIB_BLUE_MASK, &mask);
356 shifts[2] = ffs(mask) - 1;
357 core->getConfigAttrib(config, __DRI_ATTRIB_ALPHA_MASK, &mask);
358 shifts[3] = ffs(mask) - 1;
359 }
360
361 core->getConfigAttrib(config, __DRI_ATTRIB_RED_SIZE, &sizes[0]);
362 core->getConfigAttrib(config, __DRI_ATTRIB_GREEN_SIZE, &sizes[1]);
363 core->getConfigAttrib(config, __DRI_ATTRIB_BLUE_SIZE, &sizes[2]);
364 core->getConfigAttrib(config, __DRI_ATTRIB_ALPHA_SIZE, &sizes[3]);
365 }
366
367 void
368 dri2_get_render_type_float(const __DRIcoreExtension *core,
369 const __DRIconfig *config,
370 bool *is_float)
371 {
372 unsigned int render_type;
373
374 core->getConfigAttrib(config, __DRI_ATTRIB_RENDER_TYPE, &render_type);
375 *is_float = (render_type & __DRI_ATTRIB_FLOAT_BIT) ? true : false;
376 }
377
378 unsigned int
379 dri2_image_format_for_pbuffer_config(struct dri2_egl_display *dri2_dpy,
380 const __DRIconfig *config)
381 {
382 int shifts[4];
383 unsigned int sizes[4];
384
385 dri2_get_shifts_and_sizes(dri2_dpy->core, config, shifts, sizes);
386
387 for (unsigned i = 0; i < ARRAY_SIZE(dri2_pbuffer_visuals); ++i) {
388 const struct dri2_pbuffer_visual *visual = &dri2_pbuffer_visuals[i];
389
390 if (shifts[0] == visual->rgba_shifts[0] &&
391 shifts[1] == visual->rgba_shifts[1] &&
392 shifts[2] == visual->rgba_shifts[2] &&
393 shifts[3] == visual->rgba_shifts[3] &&
394 sizes[0] == visual->rgba_sizes[0] &&
395 sizes[1] == visual->rgba_sizes[1] &&
396 sizes[2] == visual->rgba_sizes[2] &&
397 sizes[3] == visual->rgba_sizes[3]) {
398 return visual->dri_image_format;
399 }
400 }
401
402 return __DRI_IMAGE_FORMAT_NONE;
403 }
404
405 struct dri2_egl_config *
406 dri2_add_config(_EGLDisplay *disp, const __DRIconfig *dri_config, int id,
407 EGLint surface_type, const EGLint *attr_list,
408 const int *rgba_shifts, const unsigned int *rgba_sizes)
409 {
410 struct dri2_egl_config *conf;
411 struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
412 _EGLConfig base;
413 unsigned int attrib, value, double_buffer;
414 bool srgb = false;
415 EGLint key, bind_to_texture_rgb, bind_to_texture_rgba;
416 int dri_shifts[4] = { -1, -1, -1, -1 };
417 unsigned int dri_sizes[4] = { 0, 0, 0, 0 };
418 _EGLConfig *matching_config;
419 EGLint num_configs = 0;
420 EGLint config_id;
421
422 _eglInitConfig(&base, disp, id);
423
424 double_buffer = 0;
425 bind_to_texture_rgb = 0;
426 bind_to_texture_rgba = 0;
427
428 for (int i = 0; i < __DRI_ATTRIB_MAX; ++i) {
429 if (!dri2_dpy->core->indexConfigAttrib(dri_config, i, &attrib, &value))
430 break;
431
432 switch (attrib) {
433 case __DRI_ATTRIB_RENDER_TYPE:
434 if (value & __DRI_ATTRIB_FLOAT_BIT)
435 base.ComponentType = EGL_COLOR_COMPONENT_TYPE_FLOAT_EXT;
436 if (value & __DRI_ATTRIB_RGBA_BIT)
437 value = EGL_RGB_BUFFER;
438 else if (value & __DRI_ATTRIB_LUMINANCE_BIT)
439 value = EGL_LUMINANCE_BUFFER;
440 else
441 return NULL;
442 base.ColorBufferType = value;
443 break;
444
445 case __DRI_ATTRIB_CONFIG_CAVEAT:
446 if (value & __DRI_ATTRIB_NON_CONFORMANT_CONFIG)
447 value = EGL_NON_CONFORMANT_CONFIG;
448 else if (value & __DRI_ATTRIB_SLOW_BIT)
449 value = EGL_SLOW_CONFIG;
450 else
451 value = EGL_NONE;
452 base.ConfigCaveat = value;
453 break;
454
455 case __DRI_ATTRIB_BIND_TO_TEXTURE_RGB:
456 bind_to_texture_rgb = value;
457 break;
458
459 case __DRI_ATTRIB_BIND_TO_TEXTURE_RGBA:
460 bind_to_texture_rgba = value;
461 break;
462
463 case __DRI_ATTRIB_DOUBLE_BUFFER:
464 double_buffer = value;
465 break;
466
467 case __DRI_ATTRIB_RED_SIZE:
468 dri_sizes[0] = value;
469 base.RedSize = value;
470 break;
471
472 case __DRI_ATTRIB_RED_MASK:
473 dri_shifts[0] = ffs(value) - 1;
474 break;
475
476 case __DRI_ATTRIB_RED_SHIFT:
477 dri_shifts[0] = value;
478 break;
479
480 case __DRI_ATTRIB_GREEN_SIZE:
481 dri_sizes[1] = value;
482 base.GreenSize = value;
483 break;
484
485 case __DRI_ATTRIB_GREEN_MASK:
486 dri_shifts[1] = ffs(value) - 1;
487 break;
488
489 case __DRI_ATTRIB_GREEN_SHIFT:
490 dri_shifts[1] = value;
491 break;
492
493 case __DRI_ATTRIB_BLUE_SIZE:
494 dri_sizes[2] = value;
495 base.BlueSize = value;
496 break;
497
498 case __DRI_ATTRIB_BLUE_MASK:
499 dri_shifts[2] = ffs(value) - 1;
500 break;
501
502 case __DRI_ATTRIB_BLUE_SHIFT:
503 dri_shifts[2] = value;
504 break;
505
506 case __DRI_ATTRIB_ALPHA_SIZE:
507 dri_sizes[3] = value;
508 base.AlphaSize = value;
509 break;
510
511 case __DRI_ATTRIB_ALPHA_MASK:
512 dri_shifts[3] = ffs(value) - 1;
513 break;
514
515 case __DRI_ATTRIB_ALPHA_SHIFT:
516 dri_shifts[3] = value;
517 break;
518
519 case __DRI_ATTRIB_ACCUM_RED_SIZE:
520 case __DRI_ATTRIB_ACCUM_GREEN_SIZE:
521 case __DRI_ATTRIB_ACCUM_BLUE_SIZE:
522 case __DRI_ATTRIB_ACCUM_ALPHA_SIZE:
523 /* Don't expose visuals with the accumulation buffer. */
524 if (value > 0)
525 return NULL;
526 break;
527
528 case __DRI_ATTRIB_FRAMEBUFFER_SRGB_CAPABLE:
529 srgb = value != 0;
530 if (!disp->Extensions.KHR_gl_colorspace && srgb)
531 return NULL;
532 break;
533
534 case __DRI_ATTRIB_MAX_PBUFFER_WIDTH:
535 base.MaxPbufferWidth = _EGL_MAX_PBUFFER_WIDTH;
536 break;
537 case __DRI_ATTRIB_MAX_PBUFFER_HEIGHT:
538 base.MaxPbufferHeight = _EGL_MAX_PBUFFER_HEIGHT;
539 break;
540 case __DRI_ATTRIB_MUTABLE_RENDER_BUFFER:
541 if (disp->Extensions.KHR_mutable_render_buffer)
542 surface_type |= EGL_MUTABLE_RENDER_BUFFER_BIT_KHR;
543 break;
544 default:
545 key = dri2_to_egl_attribute_map[attrib];
546 if (key != 0)
547 _eglSetConfigKey(&base, key, value);
548 break;
549 }
550 }
551
552 if (attr_list)
553 for (int i = 0; attr_list[i] != EGL_NONE; i += 2)
554 _eglSetConfigKey(&base, attr_list[i], attr_list[i+1]);
555
556 if (rgba_shifts && memcmp(rgba_shifts, dri_shifts, sizeof(dri_shifts)))
557 return NULL;
558
559 if (rgba_sizes && memcmp(rgba_sizes, dri_sizes, sizeof(dri_sizes)))
560 return NULL;
561
562 base.NativeRenderable = EGL_TRUE;
563
564 base.SurfaceType = surface_type;
565 if (surface_type & (EGL_PBUFFER_BIT |
566 (disp->Extensions.NOK_texture_from_pixmap ? EGL_PIXMAP_BIT : 0))) {
567 base.BindToTextureRGB = bind_to_texture_rgb;
568 if (base.AlphaSize > 0)
569 base.BindToTextureRGBA = bind_to_texture_rgba;
570 }
571
572 if (double_buffer) {
573 surface_type &= ~EGL_PIXMAP_BIT;
574 }
575
576 /* No support for pbuffer + MSAA for now.
577 *
578 * XXX TODO: pbuffer + MSAA does not work and causes crashes.
579 * See QT bugreport: https://bugreports.qt.io/browse/QTBUG-47509
580 */
581 if (base.Samples) {
582 surface_type &= ~EGL_PBUFFER_BIT;
583 }
584
585 if (!surface_type)
586 return NULL;
587
588 base.RenderableType = disp->ClientAPIs;
589 base.Conformant = disp->ClientAPIs;
590
591 base.MinSwapInterval = dri2_dpy->min_swap_interval;
592 base.MaxSwapInterval = dri2_dpy->max_swap_interval;
593
594 if (!_eglValidateConfig(&base, EGL_FALSE)) {
595 _eglLog(_EGL_DEBUG, "DRI2: failed to validate config %d", id);
596 return NULL;
597 }
598
599 config_id = base.ConfigID;
600 base.ConfigID = EGL_DONT_CARE;
601 base.SurfaceType = EGL_DONT_CARE;
602 num_configs = _eglFilterArray(disp->Configs, (void **) &matching_config, 1,
603 (_EGLArrayForEach) dri2_match_config, &base);
604
605 if (num_configs == 1) {
606 conf = (struct dri2_egl_config *) matching_config;
607
608 if (!conf->dri_config[double_buffer][srgb])
609 conf->dri_config[double_buffer][srgb] = dri_config;
610 else
611 /* a similar config type is already added (unlikely) => discard */
612 return NULL;
613 }
614 else if (num_configs == 0) {
615 conf = calloc(1, sizeof *conf);
616 if (conf == NULL)
617 return NULL;
618
619 conf->dri_config[double_buffer][srgb] = dri_config;
620
621 memcpy(&conf->base, &base, sizeof base);
622 conf->base.SurfaceType = 0;
623 conf->base.ConfigID = config_id;
624
625 _eglLinkConfig(&conf->base);
626 }
627 else {
628 unreachable("duplicates should not be possible");
629 return NULL;
630 }
631
632 conf->base.SurfaceType |= surface_type;
633
634 return conf;
635 }
636
637 __DRIimage *
638 dri2_lookup_egl_image(__DRIscreen *screen, void *image, void *data)
639 {
640 _EGLDisplay *disp = data;
641 struct dri2_egl_image *dri2_img;
642 _EGLImage *img;
643
644 (void) screen;
645
646 img = _eglLookupImage(image, disp);
647 if (img == NULL) {
648 _eglError(EGL_BAD_PARAMETER, "dri2_lookup_egl_image");
649 return NULL;
650 }
651
652 dri2_img = dri2_egl_image(image);
653
654 return dri2_img->dri_image;
655 }
656
657 const __DRIimageLookupExtension image_lookup_extension = {
658 .base = { __DRI_IMAGE_LOOKUP, 1 },
659
660 .lookupEGLImage = dri2_lookup_egl_image
661 };
662
663 struct dri2_extension_match {
664 const char *name;
665 int version;
666 int offset;
667 };
668
669 static const struct dri2_extension_match dri3_driver_extensions[] = {
670 { __DRI_CORE, 1, offsetof(struct dri2_egl_display, core) },
671 { __DRI_IMAGE_DRIVER, 1, offsetof(struct dri2_egl_display, image_driver) },
672 { NULL, 0, 0 }
673 };
674
675 static const struct dri2_extension_match dri2_driver_extensions[] = {
676 { __DRI_CORE, 1, offsetof(struct dri2_egl_display, core) },
677 { __DRI_DRI2, 2, offsetof(struct dri2_egl_display, dri2) },
678 { NULL, 0, 0 }
679 };
680
681 static const struct dri2_extension_match dri2_core_extensions[] = {
682 { __DRI2_FLUSH, 1, offsetof(struct dri2_egl_display, flush) },
683 { __DRI_TEX_BUFFER, 2, offsetof(struct dri2_egl_display, tex_buffer) },
684 { __DRI_IMAGE, 1, offsetof(struct dri2_egl_display, image) },
685 { NULL, 0, 0 }
686 };
687
688 static const struct dri2_extension_match swrast_driver_extensions[] = {
689 { __DRI_CORE, 1, offsetof(struct dri2_egl_display, core) },
690 { __DRI_SWRAST, 2, offsetof(struct dri2_egl_display, swrast) },
691 { NULL, 0, 0 }
692 };
693
694 static const struct dri2_extension_match swrast_core_extensions[] = {
695 { __DRI_TEX_BUFFER, 2, offsetof(struct dri2_egl_display, tex_buffer) },
696 { NULL, 0, 0 }
697 };
698
699 static const struct dri2_extension_match optional_driver_extensions[] = {
700 { __DRI_CONFIG_OPTIONS, 1, offsetof(struct dri2_egl_display, configOptions) },
701 { NULL, 0, 0 }
702 };
703
704 static const struct dri2_extension_match optional_core_extensions[] = {
705 { __DRI2_ROBUSTNESS, 1, offsetof(struct dri2_egl_display, robustness) },
706 { __DRI2_NO_ERROR, 1, offsetof(struct dri2_egl_display, no_error) },
707 { __DRI2_CONFIG_QUERY, 1, offsetof(struct dri2_egl_display, config) },
708 { __DRI2_FENCE, 1, offsetof(struct dri2_egl_display, fence) },
709 { __DRI2_BUFFER_DAMAGE, 1, offsetof(struct dri2_egl_display, buffer_damage) },
710 { __DRI2_RENDERER_QUERY, 1, offsetof(struct dri2_egl_display, rendererQuery) },
711 { __DRI2_INTEROP, 1, offsetof(struct dri2_egl_display, interop) },
712 { __DRI_IMAGE, 1, offsetof(struct dri2_egl_display, image) },
713 { __DRI2_FLUSH_CONTROL, 1, offsetof(struct dri2_egl_display, flush_control) },
714 { __DRI2_BLOB, 1, offsetof(struct dri2_egl_display, blob) },
715 { __DRI_MUTABLE_RENDER_BUFFER_DRIVER, 1, offsetof(struct dri2_egl_display, mutable_render_buffer) },
716 { NULL, 0, 0 }
717 };
718
719 static EGLBoolean
720 dri2_bind_extensions(struct dri2_egl_display *dri2_dpy,
721 const struct dri2_extension_match *matches,
722 const __DRIextension **extensions,
723 bool optional)
724 {
725 int ret = EGL_TRUE;
726 void *field;
727
728 for (int i = 0; extensions[i]; i++) {
729 _eglLog(_EGL_DEBUG, "found extension `%s'", extensions[i]->name);
730 for (int j = 0; matches[j].name; j++) {
731 if (strcmp(extensions[i]->name, matches[j].name) == 0 &&
732 extensions[i]->version >= matches[j].version) {
733 field = ((char *) dri2_dpy + matches[j].offset);
734 *(const __DRIextension **) field = extensions[i];
735 _eglLog(_EGL_INFO, "found extension %s version %d",
736 extensions[i]->name, extensions[i]->version);
737 break;
738 }
739 }
740 }
741
742 for (int j = 0; matches[j].name; j++) {
743 field = ((char *) dri2_dpy + matches[j].offset);
744 if (*(const __DRIextension **) field == NULL) {
745 if (optional) {
746 _eglLog(_EGL_DEBUG, "did not find optional extension %s version %d",
747 matches[j].name, matches[j].version);
748 } else {
749 _eglLog(_EGL_WARNING, "did not find extension %s version %d",
750 matches[j].name, matches[j].version);
751 ret = EGL_FALSE;
752 }
753 }
754 }
755
756 return ret;
757 }
758
759 static const __DRIextension **
760 dri2_open_driver(_EGLDisplay *disp)
761 {
762 struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
763 static const char *search_path_vars[] = {
764 "LIBGL_DRIVERS_PATH",
765 NULL,
766 };
767
768 return loader_open_driver(dri2_dpy->driver_name,
769 &dri2_dpy->driver,
770 search_path_vars);
771 }
772
773 static EGLBoolean
774 dri2_load_driver_common(_EGLDisplay *disp,
775 const struct dri2_extension_match *driver_extensions)
776 {
777 struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
778 const __DRIextension **extensions;
779
780 extensions = dri2_open_driver(disp);
781 if (!extensions)
782 return EGL_FALSE;
783
784 if (!dri2_bind_extensions(dri2_dpy, driver_extensions, extensions, false))
785 return EGL_FALSE;
786
787 dri2_dpy->driver_extensions = extensions;
788
789 dri2_bind_extensions(dri2_dpy, optional_driver_extensions, extensions, true);
790
791 return EGL_TRUE;
792 }
793
794 EGLBoolean
795 dri2_load_driver(_EGLDisplay *disp)
796 {
797 return dri2_load_driver_common(disp, dri2_driver_extensions);
798 }
799
800 EGLBoolean
801 dri2_load_driver_dri3(_EGLDisplay *disp)
802 {
803 return dri2_load_driver_common(disp, dri3_driver_extensions);
804 }
805
806 EGLBoolean
807 dri2_load_driver_swrast(_EGLDisplay *disp)
808 {
809 return dri2_load_driver_common(disp, swrast_driver_extensions);
810 }
811
812 static unsigned
813 dri2_renderer_query_integer(struct dri2_egl_display *dri2_dpy, int param)
814 {
815 const __DRI2rendererQueryExtension *rendererQuery = dri2_dpy->rendererQuery;
816 unsigned int value = 0;
817
818 if (!rendererQuery ||
819 rendererQuery->queryInteger(dri2_dpy->dri_screen, param, &value) == -1)
820 return 0;
821
822 return value;
823 }
824
825 static const char *
826 dri2_query_driver_name(_EGLDisplay *disp)
827 {
828 struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
829 return dri2_dpy->driver_name;
830 }
831
832 static char *
833 dri2_query_driver_config(_EGLDisplay *disp)
834 {
835 struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
836 const __DRIconfigOptionsExtension *ext = dri2_dpy->configOptions;
837
838 if (ext->base.version >= 2)
839 return ext->getXml(dri2_dpy->driver_name);
840
841 return strdup(ext->xml);
842 }
843
844
845 void
846 dri2_setup_screen(_EGLDisplay *disp)
847 {
848 struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
849 unsigned int api_mask;
850
851 /*
852 * EGL 1.5 specification defines the default value to 1. Moreover,
853 * eglSwapInterval() is required to clamp requested value to the supported
854 * range. Since the default value is implicitly assumed to be supported,
855 * use it as both minimum and maximum for the platforms that do not allow
856 * changing the interval. Platforms, which allow it (e.g. x11, wayland)
857 * override these values already.
858 */
859 dri2_dpy->min_swap_interval = 1;
860 dri2_dpy->max_swap_interval = 1;
861 dri2_dpy->default_swap_interval = 1;
862
863 if (dri2_dpy->image_driver) {
864 api_mask = dri2_dpy->image_driver->getAPIMask(dri2_dpy->dri_screen);
865 } else if (dri2_dpy->dri2) {
866 api_mask = dri2_dpy->dri2->getAPIMask(dri2_dpy->dri_screen);
867 } else {
868 assert(dri2_dpy->swrast);
869 api_mask = 1 << __DRI_API_OPENGL |
870 1 << __DRI_API_GLES |
871 1 << __DRI_API_GLES2 |
872 1 << __DRI_API_GLES3;
873 }
874
875 disp->ClientAPIs = 0;
876 if ((api_mask & (1 <<__DRI_API_OPENGL)) && _eglIsApiValid(EGL_OPENGL_API))
877 disp->ClientAPIs |= EGL_OPENGL_BIT;
878 if ((api_mask & (1 << __DRI_API_GLES)) && _eglIsApiValid(EGL_OPENGL_ES_API))
879 disp->ClientAPIs |= EGL_OPENGL_ES_BIT;
880 if ((api_mask & (1 << __DRI_API_GLES2)) && _eglIsApiValid(EGL_OPENGL_ES_API))
881 disp->ClientAPIs |= EGL_OPENGL_ES2_BIT;
882 if ((api_mask & (1 << __DRI_API_GLES3)) && _eglIsApiValid(EGL_OPENGL_ES_API))
883 disp->ClientAPIs |= EGL_OPENGL_ES3_BIT_KHR;
884
885 assert(dri2_dpy->image_driver || dri2_dpy->dri2 || dri2_dpy->swrast);
886 disp->Extensions.KHR_no_config_context = EGL_TRUE;
887 disp->Extensions.KHR_surfaceless_context = EGL_TRUE;
888
889 if (dri2_dpy->configOptions) {
890 disp->Extensions.MESA_query_driver = EGL_TRUE;
891 }
892
893 /* Report back to EGL the bitmask of priorities supported */
894 disp->Extensions.IMG_context_priority =
895 dri2_renderer_query_integer(dri2_dpy,
896 __DRI2_RENDERER_HAS_CONTEXT_PRIORITY);
897
898 disp->Extensions.EXT_pixel_format_float = EGL_TRUE;
899
900 if (dri2_renderer_query_integer(dri2_dpy,
901 __DRI2_RENDERER_HAS_FRAMEBUFFER_SRGB))
902 disp->Extensions.KHR_gl_colorspace = EGL_TRUE;
903
904 if (dri2_dpy->image_driver ||
905 (dri2_dpy->dri2 && dri2_dpy->dri2->base.version >= 3) ||
906 (dri2_dpy->swrast && dri2_dpy->swrast->base.version >= 3)) {
907 disp->Extensions.KHR_create_context = EGL_TRUE;
908
909 if (dri2_dpy->robustness)
910 disp->Extensions.EXT_create_context_robustness = EGL_TRUE;
911 }
912
913 if (dri2_dpy->no_error)
914 disp->Extensions.KHR_create_context_no_error = EGL_TRUE;
915
916 if (dri2_dpy->fence) {
917 disp->Extensions.KHR_fence_sync = EGL_TRUE;
918 disp->Extensions.KHR_wait_sync = EGL_TRUE;
919 if (dri2_dpy->fence->get_fence_from_cl_event)
920 disp->Extensions.KHR_cl_event2 = EGL_TRUE;
921 if (dri2_dpy->fence->base.version >= 2 &&
922 dri2_dpy->fence->get_capabilities) {
923 unsigned capabilities =
924 dri2_dpy->fence->get_capabilities(dri2_dpy->dri_screen);
925 disp->Extensions.ANDROID_native_fence_sync =
926 (capabilities & __DRI_FENCE_CAP_NATIVE_FD) != 0;
927 }
928 }
929
930 if (dri2_dpy->blob)
931 disp->Extensions.ANDROID_blob_cache = EGL_TRUE;
932
933 disp->Extensions.KHR_reusable_sync = EGL_TRUE;
934
935 if (dri2_dpy->image) {
936 if (dri2_dpy->image->base.version >= 10 &&
937 dri2_dpy->image->getCapabilities != NULL) {
938 int capabilities;
939
940 capabilities = dri2_dpy->image->getCapabilities(dri2_dpy->dri_screen);
941 disp->Extensions.MESA_drm_image = (capabilities & __DRI_IMAGE_CAP_GLOBAL_NAMES) != 0;
942
943 if (dri2_dpy->image->base.version >= 11)
944 disp->Extensions.MESA_image_dma_buf_export = EGL_TRUE;
945 } else {
946 disp->Extensions.MESA_drm_image = EGL_TRUE;
947 if (dri2_dpy->image->base.version >= 11)
948 disp->Extensions.MESA_image_dma_buf_export = EGL_TRUE;
949 }
950
951 disp->Extensions.KHR_image_base = EGL_TRUE;
952 disp->Extensions.KHR_gl_renderbuffer_image = EGL_TRUE;
953 if (dri2_dpy->image->base.version >= 5 &&
954 dri2_dpy->image->createImageFromTexture) {
955 disp->Extensions.KHR_gl_texture_2D_image = EGL_TRUE;
956 disp->Extensions.KHR_gl_texture_cubemap_image = EGL_TRUE;
957
958 if (dri2_renderer_query_integer(dri2_dpy,
959 __DRI2_RENDERER_HAS_TEXTURE_3D))
960 disp->Extensions.KHR_gl_texture_3D_image = EGL_TRUE;
961 }
962 #ifdef HAVE_LIBDRM
963 if (dri2_dpy->image->base.version >= 8 &&
964 dri2_dpy->image->createImageFromDmaBufs) {
965 disp->Extensions.EXT_image_dma_buf_import = EGL_TRUE;
966 }
967 if (dri2_dpy->image->base.version >= 15 &&
968 dri2_dpy->image->createImageFromDmaBufs2 &&
969 dri2_dpy->image->queryDmaBufFormats &&
970 dri2_dpy->image->queryDmaBufModifiers) {
971 disp->Extensions.EXT_image_dma_buf_import_modifiers = EGL_TRUE;
972 }
973 #endif
974 }
975
976 if (dri2_dpy->flush_control)
977 disp->Extensions.KHR_context_flush_control = EGL_TRUE;
978
979 if (dri2_dpy->buffer_damage && dri2_dpy->buffer_damage->set_damage_region)
980 disp->Extensions.KHR_partial_update = EGL_TRUE;
981 }
982
983 void
984 dri2_setup_swap_interval(_EGLDisplay *disp, int max_swap_interval)
985 {
986 struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
987 GLint vblank_mode = DRI_CONF_VBLANK_DEF_INTERVAL_1;
988
989 /* Allow driconf to override applications.*/
990 if (dri2_dpy->config)
991 dri2_dpy->config->configQueryi(dri2_dpy->dri_screen,
992 "vblank_mode", &vblank_mode);
993 switch (vblank_mode) {
994 case DRI_CONF_VBLANK_NEVER:
995 dri2_dpy->min_swap_interval = 0;
996 dri2_dpy->max_swap_interval = 0;
997 dri2_dpy->default_swap_interval = 0;
998 break;
999 case DRI_CONF_VBLANK_ALWAYS_SYNC:
1000 dri2_dpy->min_swap_interval = 1;
1001 dri2_dpy->max_swap_interval = max_swap_interval;
1002 dri2_dpy->default_swap_interval = 1;
1003 break;
1004 case DRI_CONF_VBLANK_DEF_INTERVAL_0:
1005 dri2_dpy->min_swap_interval = 0;
1006 dri2_dpy->max_swap_interval = max_swap_interval;
1007 dri2_dpy->default_swap_interval = 0;
1008 break;
1009 default:
1010 case DRI_CONF_VBLANK_DEF_INTERVAL_1:
1011 dri2_dpy->min_swap_interval = 0;
1012 dri2_dpy->max_swap_interval = max_swap_interval;
1013 dri2_dpy->default_swap_interval = 1;
1014 break;
1015 }
1016 }
1017
1018 /* All platforms but DRM call this function to create the screen and populate
1019 * the driver_configs. DRM inherits that information from its display - GBM.
1020 */
1021 EGLBoolean
1022 dri2_create_screen(_EGLDisplay *disp)
1023 {
1024 struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
1025
1026 if (dri2_dpy->image_driver) {
1027 dri2_dpy->dri_screen =
1028 dri2_dpy->image_driver->createNewScreen2(0, dri2_dpy->fd,
1029 dri2_dpy->loader_extensions,
1030 dri2_dpy->driver_extensions,
1031 &dri2_dpy->driver_configs,
1032 disp);
1033 } else if (dri2_dpy->dri2) {
1034 if (dri2_dpy->dri2->base.version >= 4) {
1035 dri2_dpy->dri_screen =
1036 dri2_dpy->dri2->createNewScreen2(0, dri2_dpy->fd,
1037 dri2_dpy->loader_extensions,
1038 dri2_dpy->driver_extensions,
1039 &dri2_dpy->driver_configs, disp);
1040 } else {
1041 dri2_dpy->dri_screen =
1042 dri2_dpy->dri2->createNewScreen(0, dri2_dpy->fd,
1043 dri2_dpy->loader_extensions,
1044 &dri2_dpy->driver_configs, disp);
1045 }
1046 } else {
1047 assert(dri2_dpy->swrast);
1048 if (dri2_dpy->swrast->base.version >= 4) {
1049 dri2_dpy->dri_screen =
1050 dri2_dpy->swrast->createNewScreen2(0, dri2_dpy->loader_extensions,
1051 dri2_dpy->driver_extensions,
1052 &dri2_dpy->driver_configs, disp);
1053 } else {
1054 dri2_dpy->dri_screen =
1055 dri2_dpy->swrast->createNewScreen(0, dri2_dpy->loader_extensions,
1056 &dri2_dpy->driver_configs, disp);
1057 }
1058 }
1059
1060 if (dri2_dpy->dri_screen == NULL) {
1061 _eglLog(_EGL_WARNING, "DRI2: failed to create dri screen");
1062 return EGL_FALSE;
1063 }
1064
1065 dri2_dpy->own_dri_screen = true;
1066 return EGL_TRUE;
1067 }
1068
1069 EGLBoolean
1070 dri2_setup_extensions(_EGLDisplay *disp)
1071 {
1072 struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
1073 const struct dri2_extension_match *mandatory_core_extensions;
1074 const __DRIextension **extensions;
1075
1076 extensions = dri2_dpy->core->getExtensions(dri2_dpy->dri_screen);
1077
1078 if (dri2_dpy->image_driver || dri2_dpy->dri2)
1079 mandatory_core_extensions = dri2_core_extensions;
1080 else
1081 mandatory_core_extensions = swrast_core_extensions;
1082
1083 if (!dri2_bind_extensions(dri2_dpy, mandatory_core_extensions, extensions, false))
1084 return EGL_FALSE;
1085
1086 #ifdef HAVE_DRI3_MODIFIERS
1087 dri2_dpy->multibuffers_available =
1088 (dri2_dpy->dri3_major_version > 1 || (dri2_dpy->dri3_major_version == 1 &&
1089 dri2_dpy->dri3_minor_version >= 2)) &&
1090 (dri2_dpy->present_major_version > 1 || (dri2_dpy->present_major_version == 1 &&
1091 dri2_dpy->present_minor_version >= 2)) &&
1092 (dri2_dpy->image && dri2_dpy->image->base.version >= 15);
1093 #endif
1094
1095 dri2_bind_extensions(dri2_dpy, optional_core_extensions, extensions, true);
1096 return EGL_TRUE;
1097 }
1098
1099 /**
1100 * Called via eglInitialize(), GLX_drv->API.Initialize().
1101 *
1102 * This must be guaranteed to be called exactly once, even if eglInitialize is
1103 * called many times (without a eglTerminate in between).
1104 */
1105 static EGLBoolean
1106 dri2_initialize(_EGLDriver *drv, _EGLDisplay *disp)
1107 {
1108 EGLBoolean ret = EGL_FALSE;
1109 struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
1110
1111 /* In the case where the application calls eglMakeCurrent(context1),
1112 * eglTerminate, then eglInitialize again (without a call to eglReleaseThread
1113 * or eglMakeCurrent(NULL) before that), dri2_dpy structure is still
1114 * initialized, as we need it to be able to free context1 correctly.
1115 *
1116 * It would probably be safest to forcibly release the display with
1117 * dri2_display_release, to make sure the display is reinitialized correctly.
1118 * However, the EGL spec states that we need to keep a reference to the
1119 * current context (so we cannot call dri2_make_current(NULL)), and therefore
1120 * we would leak context1 as we would be missing the old display connection
1121 * to free it up correctly.
1122 */
1123 if (dri2_dpy) {
1124 dri2_dpy->ref_count++;
1125 return EGL_TRUE;
1126 }
1127
1128 loader_set_logger(_eglLog);
1129
1130 switch (disp->Platform) {
1131 case _EGL_PLATFORM_SURFACELESS:
1132 ret = dri2_initialize_surfaceless(drv, disp);
1133 break;
1134 case _EGL_PLATFORM_DEVICE:
1135 ret = dri2_initialize_device(drv, disp);
1136 break;
1137 case _EGL_PLATFORM_X11:
1138 ret = dri2_initialize_x11(drv, disp);
1139 break;
1140 case _EGL_PLATFORM_DRM:
1141 ret = dri2_initialize_drm(drv, disp);
1142 break;
1143 case _EGL_PLATFORM_WAYLAND:
1144 ret = dri2_initialize_wayland(drv, disp);
1145 break;
1146 case _EGL_PLATFORM_ANDROID:
1147 ret = dri2_initialize_android(drv, disp);
1148 break;
1149 default:
1150 unreachable("Callers ensure we cannot get here.");
1151 return EGL_FALSE;
1152 }
1153
1154 if (!ret)
1155 return EGL_FALSE;
1156
1157 dri2_dpy = dri2_egl_display(disp);
1158 dri2_dpy->ref_count++;
1159
1160 return EGL_TRUE;
1161 }
1162
1163 /**
1164 * Decrement display reference count, and free up display if necessary.
1165 */
1166 static void
1167 dri2_display_release(_EGLDisplay *disp)
1168 {
1169 struct dri2_egl_display *dri2_dpy;
1170
1171 if (!disp)
1172 return;
1173
1174 dri2_dpy = dri2_egl_display(disp);
1175
1176 assert(dri2_dpy->ref_count > 0);
1177 dri2_dpy->ref_count--;
1178
1179 if (dri2_dpy->ref_count > 0)
1180 return;
1181
1182 _eglCleanupDisplay(disp);
1183 dri2_display_destroy(disp);
1184 }
1185
1186 void
1187 dri2_display_destroy(_EGLDisplay *disp)
1188 {
1189 struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
1190
1191 if (dri2_dpy->own_dri_screen) {
1192 if (dri2_dpy->vtbl && dri2_dpy->vtbl->close_screen_notify)
1193 dri2_dpy->vtbl->close_screen_notify(disp);
1194 dri2_dpy->core->destroyScreen(dri2_dpy->dri_screen);
1195 }
1196 if (dri2_dpy->fd >= 0)
1197 close(dri2_dpy->fd);
1198 if (dri2_dpy->driver)
1199 dlclose(dri2_dpy->driver);
1200 free(dri2_dpy->driver_name);
1201
1202 #ifdef HAVE_WAYLAND_PLATFORM
1203 free(dri2_dpy->device_name);
1204 #endif
1205
1206 switch (disp->Platform) {
1207 case _EGL_PLATFORM_X11:
1208 dri2_teardown_x11(dri2_dpy);
1209 break;
1210 case _EGL_PLATFORM_DRM:
1211 dri2_teardown_drm(dri2_dpy);
1212 break;
1213 case _EGL_PLATFORM_WAYLAND:
1214 dri2_teardown_wayland(dri2_dpy);
1215 break;
1216 default:
1217 /* TODO: add teardown for other platforms */
1218 break;
1219 }
1220
1221 /* The drm platform does not create the screen/driver_configs but reuses
1222 * the ones from the gbm device. As such the gbm itself is responsible
1223 * for the cleanup.
1224 */
1225 if (disp->Platform != _EGL_PLATFORM_DRM && dri2_dpy->driver_configs) {
1226 for (unsigned i = 0; dri2_dpy->driver_configs[i]; i++)
1227 free((__DRIconfig *) dri2_dpy->driver_configs[i]);
1228 free(dri2_dpy->driver_configs);
1229 }
1230 free(dri2_dpy);
1231 disp->DriverData = NULL;
1232 }
1233
1234 __DRIbuffer *
1235 dri2_egl_surface_alloc_local_buffer(struct dri2_egl_surface *dri2_surf,
1236 unsigned int att, unsigned int format)
1237 {
1238 struct dri2_egl_display *dri2_dpy =
1239 dri2_egl_display(dri2_surf->base.Resource.Display);
1240
1241 if (att >= ARRAY_SIZE(dri2_surf->local_buffers))
1242 return NULL;
1243
1244 if (!dri2_surf->local_buffers[att]) {
1245 dri2_surf->local_buffers[att] =
1246 dri2_dpy->dri2->allocateBuffer(dri2_dpy->dri_screen, att, format,
1247 dri2_surf->base.Width, dri2_surf->base.Height);
1248 }
1249
1250 return dri2_surf->local_buffers[att];
1251 }
1252
1253 void
1254 dri2_egl_surface_free_local_buffers(struct dri2_egl_surface *dri2_surf)
1255 {
1256 struct dri2_egl_display *dri2_dpy =
1257 dri2_egl_display(dri2_surf->base.Resource.Display);
1258
1259 for (int i = 0; i < ARRAY_SIZE(dri2_surf->local_buffers); i++) {
1260 if (dri2_surf->local_buffers[i]) {
1261 dri2_dpy->dri2->releaseBuffer(dri2_dpy->dri_screen,
1262 dri2_surf->local_buffers[i]);
1263 dri2_surf->local_buffers[i] = NULL;
1264 }
1265 }
1266 }
1267
1268 /**
1269 * Called via eglTerminate(), drv->API.Terminate().
1270 *
1271 * This must be guaranteed to be called exactly once, even if eglTerminate is
1272 * called many times (without a eglInitialize in between).
1273 */
1274 static EGLBoolean
1275 dri2_terminate(_EGLDriver *drv, _EGLDisplay *disp)
1276 {
1277 /* Release all non-current Context/Surfaces. */
1278 _eglReleaseDisplayResources(drv, disp);
1279
1280 dri2_display_release(disp);
1281
1282 return EGL_TRUE;
1283 }
1284
1285 /**
1286 * Set the error code after a call to
1287 * dri2_egl_display::dri2::createContextAttribs.
1288 */
1289 static void
1290 dri2_create_context_attribs_error(int dri_error)
1291 {
1292 EGLint egl_error;
1293
1294 switch (dri_error) {
1295 case __DRI_CTX_ERROR_SUCCESS:
1296 return;
1297
1298 case __DRI_CTX_ERROR_NO_MEMORY:
1299 egl_error = EGL_BAD_ALLOC;
1300 break;
1301
1302 /* From the EGL_KHR_create_context spec, section "Errors":
1303 *
1304 * * If <config> does not support a client API context compatible
1305 * with the requested API major and minor version, [...] context flags,
1306 * and context reset notification behavior (for client API types where
1307 * these attributes are supported), then an EGL_BAD_MATCH error is
1308 * generated.
1309 *
1310 * * If an OpenGL ES context is requested and the values for
1311 * attributes EGL_CONTEXT_MAJOR_VERSION_KHR and
1312 * EGL_CONTEXT_MINOR_VERSION_KHR specify an OpenGL ES version that
1313 * is not defined, than an EGL_BAD_MATCH error is generated.
1314 *
1315 * * If an OpenGL context is requested, the requested version is
1316 * greater than 3.2, and the value for attribute
1317 * EGL_CONTEXT_OPENGL_PROFILE_MASK_KHR has no bits set; has any
1318 * bits set other than EGL_CONTEXT_OPENGL_CORE_PROFILE_BIT_KHR and
1319 * EGL_CONTEXT_OPENGL_COMPATIBILITY_PROFILE_BIT_KHR; has more than
1320 * one of these bits set; or if the implementation does not support
1321 * the requested profile, then an EGL_BAD_MATCH error is generated.
1322 */
1323 case __DRI_CTX_ERROR_BAD_API:
1324 case __DRI_CTX_ERROR_BAD_VERSION:
1325 case __DRI_CTX_ERROR_BAD_FLAG:
1326 egl_error = EGL_BAD_MATCH;
1327 break;
1328
1329 /* From the EGL_KHR_create_context spec, section "Errors":
1330 *
1331 * * If an attribute name or attribute value in <attrib_list> is not
1332 * recognized (including unrecognized bits in bitmask attributes),
1333 * then an EGL_BAD_ATTRIBUTE error is generated."
1334 */
1335 case __DRI_CTX_ERROR_UNKNOWN_ATTRIBUTE:
1336 case __DRI_CTX_ERROR_UNKNOWN_FLAG:
1337 egl_error = EGL_BAD_ATTRIBUTE;
1338 break;
1339
1340 default:
1341 assert(!"unknown dri_error code");
1342 egl_error = EGL_BAD_MATCH;
1343 break;
1344 }
1345
1346 _eglError(egl_error, "dri2_create_context");
1347 }
1348
1349 static bool
1350 dri2_fill_context_attribs(struct dri2_egl_context *dri2_ctx,
1351 struct dri2_egl_display *dri2_dpy,
1352 uint32_t *ctx_attribs,
1353 unsigned *num_attribs)
1354 {
1355 int pos = 0;
1356
1357 assert(*num_attribs >= NUM_ATTRIBS);
1358
1359 ctx_attribs[pos++] = __DRI_CTX_ATTRIB_MAJOR_VERSION;
1360 ctx_attribs[pos++] = dri2_ctx->base.ClientMajorVersion;
1361 ctx_attribs[pos++] = __DRI_CTX_ATTRIB_MINOR_VERSION;
1362 ctx_attribs[pos++] = dri2_ctx->base.ClientMinorVersion;
1363
1364 if (dri2_ctx->base.Flags != 0 || dri2_ctx->base.NoError) {
1365 /* If the implementation doesn't support the __DRI2_ROBUSTNESS
1366 * extension, don't even try to send it the robust-access flag.
1367 * It may explode. Instead, generate the required EGL error here.
1368 */
1369 if ((dri2_ctx->base.Flags & EGL_CONTEXT_OPENGL_ROBUST_ACCESS_BIT_KHR) != 0
1370 && !dri2_dpy->robustness) {
1371 _eglError(EGL_BAD_MATCH, "eglCreateContext");
1372 return false;
1373 }
1374
1375 ctx_attribs[pos++] = __DRI_CTX_ATTRIB_FLAGS;
1376 ctx_attribs[pos++] = dri2_ctx->base.Flags |
1377 (dri2_ctx->base.NoError ? __DRI_CTX_FLAG_NO_ERROR : 0);
1378 }
1379
1380 if (dri2_ctx->base.ResetNotificationStrategy != EGL_NO_RESET_NOTIFICATION_KHR) {
1381 /* If the implementation doesn't support the __DRI2_ROBUSTNESS
1382 * extension, don't even try to send it a reset strategy. It may
1383 * explode. Instead, generate the required EGL error here.
1384 */
1385 if (!dri2_dpy->robustness) {
1386 _eglError(EGL_BAD_CONFIG, "eglCreateContext");
1387 return false;
1388 }
1389
1390 ctx_attribs[pos++] = __DRI_CTX_ATTRIB_RESET_STRATEGY;
1391 ctx_attribs[pos++] = __DRI_CTX_RESET_LOSE_CONTEXT;
1392 }
1393
1394 if (dri2_ctx->base.ContextPriority != EGL_CONTEXT_PRIORITY_MEDIUM_IMG) {
1395 unsigned val;
1396
1397 switch (dri2_ctx->base.ContextPriority) {
1398 case EGL_CONTEXT_PRIORITY_HIGH_IMG:
1399 val = __DRI_CTX_PRIORITY_HIGH;
1400 break;
1401 case EGL_CONTEXT_PRIORITY_MEDIUM_IMG:
1402 val = __DRI_CTX_PRIORITY_MEDIUM;
1403 break;
1404 case EGL_CONTEXT_PRIORITY_LOW_IMG:
1405 val = __DRI_CTX_PRIORITY_LOW;
1406 break;
1407 default:
1408 _eglError(EGL_BAD_CONFIG, "eglCreateContext");
1409 return false;
1410 }
1411
1412 ctx_attribs[pos++] = __DRI_CTX_ATTRIB_PRIORITY;
1413 ctx_attribs[pos++] = val;
1414 }
1415
1416 if (dri2_ctx->base.ReleaseBehavior == EGL_CONTEXT_RELEASE_BEHAVIOR_NONE_KHR) {
1417 ctx_attribs[pos++] = __DRI_CTX_ATTRIB_RELEASE_BEHAVIOR;
1418 ctx_attribs[pos++] = __DRI_CTX_RELEASE_BEHAVIOR_NONE;
1419 }
1420
1421 *num_attribs = pos;
1422
1423 return true;
1424 }
1425
1426 /**
1427 * Called via eglCreateContext(), drv->API.CreateContext().
1428 */
1429 static _EGLContext *
1430 dri2_create_context(_EGLDriver *drv, _EGLDisplay *disp, _EGLConfig *conf,
1431 _EGLContext *share_list, const EGLint *attrib_list)
1432 {
1433 struct dri2_egl_context *dri2_ctx;
1434 struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
1435 struct dri2_egl_context *dri2_ctx_shared = dri2_egl_context(share_list);
1436 __DRIcontext *shared =
1437 dri2_ctx_shared ? dri2_ctx_shared->dri_context : NULL;
1438 struct dri2_egl_config *dri2_config = dri2_egl_config(conf);
1439 const __DRIconfig *dri_config;
1440 int api;
1441 unsigned error;
1442 unsigned num_attribs = NUM_ATTRIBS;
1443 uint32_t ctx_attribs[NUM_ATTRIBS];
1444
1445 (void) drv;
1446
1447 dri2_ctx = malloc(sizeof *dri2_ctx);
1448 if (!dri2_ctx) {
1449 _eglError(EGL_BAD_ALLOC, "eglCreateContext");
1450 return NULL;
1451 }
1452
1453 if (!_eglInitContext(&dri2_ctx->base, disp, conf, attrib_list))
1454 goto cleanup;
1455
1456 /* The EGL_EXT_create_context_robustness spec says:
1457 *
1458 * "Add to the eglCreateContext context creation errors: [...]
1459 *
1460 * * If the reset notification behavior of <share_context> and the
1461 * newly created context are different then an EGL_BAD_MATCH error is
1462 * generated."
1463 */
1464 if (share_list && share_list->ResetNotificationStrategy !=
1465 dri2_ctx->base.ResetNotificationStrategy) {
1466 _eglError(EGL_BAD_MATCH, "eglCreateContext");
1467 goto cleanup;
1468 }
1469
1470 /* The EGL_KHR_create_context_no_error spec says:
1471 *
1472 * "BAD_MATCH is generated if the value of EGL_CONTEXT_OPENGL_NO_ERROR_KHR
1473 * used to create <share_context> does not match the value of
1474 * EGL_CONTEXT_OPENGL_NO_ERROR_KHR for the context being created."
1475 */
1476 if (share_list && share_list->NoError != dri2_ctx->base.NoError) {
1477 _eglError(EGL_BAD_MATCH, "eglCreateContext");
1478 goto cleanup;
1479 }
1480
1481 switch (dri2_ctx->base.ClientAPI) {
1482 case EGL_OPENGL_ES_API:
1483 switch (dri2_ctx->base.ClientMajorVersion) {
1484 case 1:
1485 api = __DRI_API_GLES;
1486 break;
1487 case 2:
1488 api = __DRI_API_GLES2;
1489 break;
1490 case 3:
1491 api = __DRI_API_GLES3;
1492 break;
1493 default:
1494 _eglError(EGL_BAD_PARAMETER, "eglCreateContext");
1495 free(dri2_ctx);
1496 return NULL;
1497 }
1498 break;
1499 case EGL_OPENGL_API:
1500 if ((dri2_ctx->base.ClientMajorVersion >= 4
1501 || (dri2_ctx->base.ClientMajorVersion == 3
1502 && dri2_ctx->base.ClientMinorVersion >= 2))
1503 && dri2_ctx->base.Profile == EGL_CONTEXT_OPENGL_CORE_PROFILE_BIT_KHR)
1504 api = __DRI_API_OPENGL_CORE;
1505 else if (dri2_ctx->base.ClientMajorVersion == 3 &&
1506 dri2_ctx->base.ClientMinorVersion == 1)
1507 api = __DRI_API_OPENGL_CORE;
1508 else
1509 api = __DRI_API_OPENGL;
1510 break;
1511 default:
1512 _eglError(EGL_BAD_PARAMETER, "eglCreateContext");
1513 free(dri2_ctx);
1514 return NULL;
1515 }
1516
1517 if (conf != NULL) {
1518 /* The config chosen here isn't necessarily
1519 * used for surfaces later.
1520 * A pixmap surface will use the single config.
1521 * This opportunity depends on disabling the
1522 * doubleBufferMode check in
1523 * src/mesa/main/context.c:check_compatible()
1524 */
1525 if (dri2_config->dri_config[1][0])
1526 dri_config = dri2_config->dri_config[1][0];
1527 else
1528 dri_config = dri2_config->dri_config[0][0];
1529 }
1530 else
1531 dri_config = NULL;
1532
1533 if (!dri2_fill_context_attribs(dri2_ctx, dri2_dpy, ctx_attribs,
1534 &num_attribs))
1535 goto cleanup;
1536
1537 if (dri2_dpy->image_driver) {
1538 dri2_ctx->dri_context =
1539 dri2_dpy->image_driver->createContextAttribs(dri2_dpy->dri_screen,
1540 api,
1541 dri_config,
1542 shared,
1543 num_attribs / 2,
1544 ctx_attribs,
1545 & error,
1546 dri2_ctx);
1547 dri2_create_context_attribs_error(error);
1548 } else if (dri2_dpy->dri2) {
1549 if (dri2_dpy->dri2->base.version >= 3) {
1550 dri2_ctx->dri_context =
1551 dri2_dpy->dri2->createContextAttribs(dri2_dpy->dri_screen,
1552 api,
1553 dri_config,
1554 shared,
1555 num_attribs / 2,
1556 ctx_attribs,
1557 & error,
1558 dri2_ctx);
1559 dri2_create_context_attribs_error(error);
1560 } else {
1561 dri2_ctx->dri_context =
1562 dri2_dpy->dri2->createNewContextForAPI(dri2_dpy->dri_screen,
1563 api,
1564 dri_config,
1565 shared,
1566 dri2_ctx);
1567 }
1568 } else {
1569 assert(dri2_dpy->swrast);
1570 if (dri2_dpy->swrast->base.version >= 3) {
1571 dri2_ctx->dri_context =
1572 dri2_dpy->swrast->createContextAttribs(dri2_dpy->dri_screen,
1573 api,
1574 dri_config,
1575 shared,
1576 num_attribs / 2,
1577 ctx_attribs,
1578 & error,
1579 dri2_ctx);
1580 dri2_create_context_attribs_error(error);
1581 } else {
1582 dri2_ctx->dri_context =
1583 dri2_dpy->swrast->createNewContextForAPI(dri2_dpy->dri_screen,
1584 api,
1585 dri_config,
1586 shared,
1587 dri2_ctx);
1588 }
1589 }
1590
1591 if (!dri2_ctx->dri_context)
1592 goto cleanup;
1593
1594 return &dri2_ctx->base;
1595
1596 cleanup:
1597 free(dri2_ctx);
1598 return NULL;
1599 }
1600
1601 /**
1602 * Called via eglDestroyContext(), drv->API.DestroyContext().
1603 */
1604 static EGLBoolean
1605 dri2_destroy_context(_EGLDriver *drv, _EGLDisplay *disp, _EGLContext *ctx)
1606 {
1607 struct dri2_egl_context *dri2_ctx = dri2_egl_context(ctx);
1608 struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
1609
1610 if (_eglPutContext(ctx)) {
1611 dri2_dpy->core->destroyContext(dri2_ctx->dri_context);
1612 free(dri2_ctx);
1613 }
1614
1615 return EGL_TRUE;
1616 }
1617
1618 EGLBoolean
1619 dri2_init_surface(_EGLSurface *surf, _EGLDisplay *disp, EGLint type,
1620 _EGLConfig *conf, const EGLint *attrib_list,
1621 EGLBoolean enable_out_fence, void *native_surface)
1622 {
1623 struct dri2_egl_surface *dri2_surf = dri2_egl_surface(surf);
1624 struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
1625
1626 dri2_surf->out_fence_fd = -1;
1627 dri2_surf->enable_out_fence = false;
1628 if (dri2_dpy->fence && dri2_dpy->fence->base.version >= 2 &&
1629 dri2_dpy->fence->get_capabilities &&
1630 (dri2_dpy->fence->get_capabilities(dri2_dpy->dri_screen) &
1631 __DRI_FENCE_CAP_NATIVE_FD)) {
1632 dri2_surf->enable_out_fence = enable_out_fence;
1633 }
1634
1635 return _eglInitSurface(surf, disp, type, conf, attrib_list, native_surface);
1636 }
1637
1638 static void
1639 dri2_surface_set_out_fence_fd( _EGLSurface *surf, int fence_fd)
1640 {
1641 struct dri2_egl_surface *dri2_surf = dri2_egl_surface(surf);
1642
1643 if (dri2_surf->out_fence_fd >= 0)
1644 close(dri2_surf->out_fence_fd);
1645
1646 dri2_surf->out_fence_fd = fence_fd;
1647 }
1648
1649 void
1650 dri2_fini_surface(_EGLSurface *surf)
1651 {
1652 struct dri2_egl_surface *dri2_surf = dri2_egl_surface(surf);
1653
1654 dri2_surface_set_out_fence_fd(surf, -1);
1655 dri2_surf->enable_out_fence = false;
1656 }
1657
1658 static EGLBoolean
1659 dri2_destroy_surface(_EGLDriver *drv, _EGLDisplay *disp, _EGLSurface *surf)
1660 {
1661 struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
1662
1663 if (!_eglPutSurface(surf))
1664 return EGL_TRUE;
1665
1666 return dri2_dpy->vtbl->destroy_surface(drv, disp, surf);
1667 }
1668
1669 static void
1670 dri2_surf_update_fence_fd(_EGLContext *ctx,
1671 _EGLDisplay *disp, _EGLSurface *surf)
1672 {
1673 __DRIcontext *dri_ctx = dri2_egl_context(ctx)->dri_context;
1674 struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
1675 struct dri2_egl_surface *dri2_surf = dri2_egl_surface(surf);
1676 int fence_fd = -1;
1677 void *fence;
1678
1679 if (!dri2_surf->enable_out_fence)
1680 return;
1681
1682 fence = dri2_dpy->fence->create_fence_fd(dri_ctx, -1);
1683 if (fence) {
1684 fence_fd = dri2_dpy->fence->get_fence_fd(dri2_dpy->dri_screen,
1685 fence);
1686 dri2_dpy->fence->destroy_fence(dri2_dpy->dri_screen, fence);
1687 }
1688 dri2_surface_set_out_fence_fd(surf, fence_fd);
1689 }
1690
1691 EGLBoolean
1692 dri2_create_drawable(struct dri2_egl_display *dri2_dpy,
1693 const __DRIconfig *config,
1694 struct dri2_egl_surface *dri2_surf,
1695 void *loaderPrivate)
1696 {
1697 __DRIcreateNewDrawableFunc createNewDrawable;
1698
1699 if (dri2_dpy->image_driver)
1700 createNewDrawable = dri2_dpy->image_driver->createNewDrawable;
1701 else if (dri2_dpy->dri2)
1702 createNewDrawable = dri2_dpy->dri2->createNewDrawable;
1703 else if (dri2_dpy->swrast)
1704 createNewDrawable = dri2_dpy->swrast->createNewDrawable;
1705 else
1706 return _eglError(EGL_BAD_ALLOC, "no createNewDrawable");
1707
1708 dri2_surf->dri_drawable = createNewDrawable(dri2_dpy->dri_screen,
1709 config, loaderPrivate);
1710 if (dri2_surf->dri_drawable == NULL)
1711 return _eglError(EGL_BAD_ALLOC, "createNewDrawable");
1712
1713 return EGL_TRUE;
1714 }
1715
1716 /**
1717 * Called via eglMakeCurrent(), drv->API.MakeCurrent().
1718 */
1719 static EGLBoolean
1720 dri2_make_current(_EGLDriver *drv, _EGLDisplay *disp, _EGLSurface *dsurf,
1721 _EGLSurface *rsurf, _EGLContext *ctx)
1722 {
1723 struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
1724 struct dri2_egl_context *dri2_ctx = dri2_egl_context(ctx);
1725 _EGLDisplay *old_disp = NULL;
1726 struct dri2_egl_display *old_dri2_dpy = NULL;
1727 _EGLContext *old_ctx;
1728 _EGLSurface *old_dsurf, *old_rsurf;
1729 _EGLSurface *tmp_dsurf, *tmp_rsurf;
1730 __DRIdrawable *ddraw, *rdraw;
1731 __DRIcontext *cctx;
1732 EGLBoolean unbind;
1733
1734 if (!dri2_dpy)
1735 return _eglError(EGL_NOT_INITIALIZED, "eglMakeCurrent");
1736
1737 /* make new bindings */
1738 if (!_eglBindContext(ctx, dsurf, rsurf, &old_ctx, &old_dsurf, &old_rsurf)) {
1739 /* _eglBindContext already sets the EGL error (in _eglCheckMakeCurrent) */
1740 return EGL_FALSE;
1741 }
1742
1743 if (old_ctx) {
1744 old_disp = old_ctx->Resource.Display;
1745 old_dri2_dpy = dri2_egl_display(old_disp);
1746 }
1747
1748 /* flush before context switch */
1749 if (old_ctx)
1750 dri2_gl_flush();
1751
1752 ddraw = (dsurf) ? dri2_dpy->vtbl->get_dri_drawable(dsurf) : NULL;
1753 rdraw = (rsurf) ? dri2_dpy->vtbl->get_dri_drawable(rsurf) : NULL;
1754 cctx = (dri2_ctx) ? dri2_ctx->dri_context : NULL;
1755
1756 if (old_ctx) {
1757 __DRIcontext *old_cctx = dri2_egl_context(old_ctx)->dri_context;
1758
1759 if (old_dsurf)
1760 dri2_surf_update_fence_fd(old_ctx, disp, old_dsurf);
1761
1762 /* Disable shared buffer mode */
1763 if (old_dsurf && _eglSurfaceInSharedBufferMode(old_dsurf) &&
1764 old_dri2_dpy->vtbl->set_shared_buffer_mode) {
1765 old_dri2_dpy->vtbl->set_shared_buffer_mode(old_disp, old_dsurf, false);
1766 }
1767
1768 dri2_dpy->core->unbindContext(old_cctx);
1769 }
1770
1771 unbind = (cctx == NULL && ddraw == NULL && rdraw == NULL);
1772
1773 if (!unbind && !dri2_dpy->core->bindContext(cctx, ddraw, rdraw)) {
1774 /* undo the previous _eglBindContext */
1775 _eglBindContext(old_ctx, old_dsurf, old_rsurf, &ctx, &tmp_dsurf, &tmp_rsurf);
1776 assert(&dri2_ctx->base == ctx &&
1777 tmp_dsurf == dsurf &&
1778 tmp_rsurf == rsurf);
1779
1780 if (old_dsurf && _eglSurfaceInSharedBufferMode(old_dsurf) &&
1781 old_dri2_dpy->vtbl->set_shared_buffer_mode) {
1782 old_dri2_dpy->vtbl->set_shared_buffer_mode(old_disp, old_dsurf, true);
1783 }
1784
1785 _eglPutSurface(dsurf);
1786 _eglPutSurface(rsurf);
1787 _eglPutContext(ctx);
1788
1789 _eglPutSurface(old_dsurf);
1790 _eglPutSurface(old_rsurf);
1791 _eglPutContext(old_ctx);
1792
1793 /* dri2_dpy->core->bindContext failed. We cannot tell for sure why, but
1794 * setting the error to EGL_BAD_MATCH is surely better than leaving it
1795 * as EGL_SUCCESS.
1796 */
1797 return _eglError(EGL_BAD_MATCH, "eglMakeCurrent");
1798 }
1799
1800 dri2_destroy_surface(drv, disp, old_dsurf);
1801 dri2_destroy_surface(drv, disp, old_rsurf);
1802
1803 if (!unbind)
1804 dri2_dpy->ref_count++;
1805
1806 if (old_ctx) {
1807 dri2_destroy_context(drv, disp, old_ctx);
1808 dri2_display_release(old_disp);
1809 }
1810
1811 if (dsurf && _eglSurfaceHasMutableRenderBuffer(dsurf) &&
1812 dri2_dpy->vtbl->set_shared_buffer_mode) {
1813 /* Always update the shared buffer mode. This is obviously needed when
1814 * the active EGL_RENDER_BUFFER is EGL_SINGLE_BUFFER. When
1815 * EGL_RENDER_BUFFER is EGL_BACK_BUFFER, the update protects us in the
1816 * case where external non-EGL API may have changed window's shared
1817 * buffer mode since we last saw it.
1818 */
1819 bool mode = (dsurf->ActiveRenderBuffer == EGL_SINGLE_BUFFER);
1820 dri2_dpy->vtbl->set_shared_buffer_mode(disp, dsurf, mode);
1821 }
1822
1823 return EGL_TRUE;
1824 }
1825
1826 __DRIdrawable *
1827 dri2_surface_get_dri_drawable(_EGLSurface *surf)
1828 {
1829 struct dri2_egl_surface *dri2_surf = dri2_egl_surface(surf);
1830
1831 return dri2_surf->dri_drawable;
1832 }
1833
1834 /*
1835 * Called from eglGetProcAddress() via drv->API.GetProcAddress().
1836 */
1837 static _EGLProc
1838 dri2_get_proc_address(_EGLDriver *drv, const char *procname)
1839 {
1840 return _glapi_get_proc_address(procname);
1841 }
1842
1843 static _EGLSurface*
1844 dri2_create_window_surface(_EGLDriver *drv, _EGLDisplay *disp,
1845 _EGLConfig *conf, void *native_window,
1846 const EGLint *attrib_list)
1847 {
1848 struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
1849 return dri2_dpy->vtbl->create_window_surface(drv, disp, conf, native_window,
1850 attrib_list);
1851 }
1852
1853 static _EGLSurface*
1854 dri2_create_pixmap_surface(_EGLDriver *drv, _EGLDisplay *disp,
1855 _EGLConfig *conf, void *native_pixmap,
1856 const EGLint *attrib_list)
1857 {
1858 struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
1859 return dri2_dpy->vtbl->create_pixmap_surface(drv, disp, conf, native_pixmap,
1860 attrib_list);
1861 }
1862
1863 static _EGLSurface*
1864 dri2_create_pbuffer_surface(_EGLDriver *drv, _EGLDisplay *disp,
1865 _EGLConfig *conf, const EGLint *attrib_list)
1866 {
1867 struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
1868 return dri2_dpy->vtbl->create_pbuffer_surface(drv, disp, conf, attrib_list);
1869 }
1870
1871 static EGLBoolean
1872 dri2_swap_interval(_EGLDriver *drv, _EGLDisplay *disp, _EGLSurface *surf,
1873 EGLint interval)
1874 {
1875 struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
1876 if (!dri2_dpy->vtbl->swap_interval)
1877 return EGL_TRUE;
1878 return dri2_dpy->vtbl->swap_interval(drv, disp, surf, interval);
1879 }
1880
1881 /**
1882 * Asks the client API to flush any rendering to the drawable so that we can
1883 * do our swapbuffers.
1884 */
1885 void
1886 dri2_flush_drawable_for_swapbuffers(_EGLDisplay *disp, _EGLSurface *draw)
1887 {
1888 struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
1889 __DRIdrawable *dri_drawable = dri2_dpy->vtbl->get_dri_drawable(draw);
1890
1891 if (dri2_dpy->flush) {
1892 if (dri2_dpy->flush->base.version >= 4) {
1893 /* We know there's a current context because:
1894 *
1895 * "If surface is not bound to the calling thread’s current
1896 * context, an EGL_BAD_SURFACE error is generated."
1897 */
1898 _EGLContext *ctx = _eglGetCurrentContext();
1899 struct dri2_egl_context *dri2_ctx = dri2_egl_context(ctx);
1900
1901 /* From the EGL 1.4 spec (page 52):
1902 *
1903 * "The contents of ancillary buffers are always undefined
1904 * after calling eglSwapBuffers."
1905 */
1906 dri2_dpy->flush->flush_with_flags(dri2_ctx->dri_context,
1907 dri_drawable,
1908 __DRI2_FLUSH_DRAWABLE |
1909 __DRI2_FLUSH_INVALIDATE_ANCILLARY,
1910 __DRI2_THROTTLE_SWAPBUFFER);
1911 } else {
1912 dri2_dpy->flush->flush(dri_drawable);
1913 }
1914 }
1915 }
1916
1917 static EGLBoolean
1918 dri2_swap_buffers(_EGLDriver *drv, _EGLDisplay *disp, _EGLSurface *surf)
1919 {
1920 struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
1921 __DRIdrawable *dri_drawable = dri2_dpy->vtbl->get_dri_drawable(surf);
1922 _EGLContext *ctx = _eglGetCurrentContext();
1923 EGLBoolean ret;
1924
1925 if (ctx && surf)
1926 dri2_surf_update_fence_fd(ctx, disp, surf);
1927 ret = dri2_dpy->vtbl->swap_buffers(drv, disp, surf);
1928
1929 /* SwapBuffers marks the end of the frame; reset the damage region for
1930 * use again next time.
1931 */
1932 if (ret && dri2_dpy->buffer_damage &&
1933 dri2_dpy->buffer_damage->set_damage_region)
1934 dri2_dpy->buffer_damage->set_damage_region(dri_drawable, 0, NULL);
1935
1936 return ret;
1937 }
1938
1939 static EGLBoolean
1940 dri2_swap_buffers_with_damage(_EGLDriver *drv, _EGLDisplay *disp,
1941 _EGLSurface *surf,
1942 const EGLint *rects, EGLint n_rects)
1943 {
1944 struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
1945 __DRIdrawable *dri_drawable = dri2_dpy->vtbl->get_dri_drawable(surf);
1946 _EGLContext *ctx = _eglGetCurrentContext();
1947 EGLBoolean ret;
1948
1949 if (ctx && surf)
1950 dri2_surf_update_fence_fd(ctx, disp, surf);
1951 ret = dri2_dpy->vtbl->swap_buffers_with_damage(drv, disp, surf,
1952 rects, n_rects);
1953
1954 /* SwapBuffers marks the end of the frame; reset the damage region for
1955 * use again next time.
1956 */
1957 if (ret && dri2_dpy->buffer_damage &&
1958 dri2_dpy->buffer_damage->set_damage_region)
1959 dri2_dpy->buffer_damage->set_damage_region(dri_drawable, 0, NULL);
1960
1961 return ret;
1962 }
1963
1964 static EGLBoolean
1965 dri2_swap_buffers_region(_EGLDriver *drv, _EGLDisplay *disp, _EGLSurface *surf,
1966 EGLint numRects, const EGLint *rects)
1967 {
1968 struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
1969 __DRIdrawable *dri_drawable = dri2_dpy->vtbl->get_dri_drawable(surf);
1970 EGLBoolean ret;
1971
1972 ret = dri2_dpy->vtbl->swap_buffers_region(drv, disp, surf, numRects, rects);
1973
1974 /* SwapBuffers marks the end of the frame; reset the damage region for
1975 * use again next time.
1976 */
1977 if (ret && dri2_dpy->buffer_damage &&
1978 dri2_dpy->buffer_damage->set_damage_region)
1979 dri2_dpy->buffer_damage->set_damage_region(dri_drawable, 0, NULL);
1980
1981 return ret;
1982 }
1983
1984 static EGLBoolean
1985 dri2_set_damage_region(_EGLDriver *drv, _EGLDisplay *disp, _EGLSurface *surf,
1986 EGLint *rects, EGLint n_rects)
1987 {
1988 struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
1989 __DRIdrawable *drawable = dri2_dpy->vtbl->get_dri_drawable(surf);
1990
1991 if (!dri2_dpy->buffer_damage || !dri2_dpy->buffer_damage->set_damage_region)
1992 return EGL_FALSE;
1993
1994 dri2_dpy->buffer_damage->set_damage_region(drawable, n_rects, rects);
1995 return EGL_TRUE;
1996 }
1997
1998 static EGLBoolean
1999 dri2_post_sub_buffer(_EGLDriver *drv, _EGLDisplay *disp, _EGLSurface *surf,
2000 EGLint x, EGLint y, EGLint width, EGLint height)
2001 {
2002 struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
2003 return dri2_dpy->vtbl->post_sub_buffer(drv, disp, surf, x, y, width, height);
2004 }
2005
2006 static EGLBoolean
2007 dri2_copy_buffers(_EGLDriver *drv, _EGLDisplay *disp, _EGLSurface *surf,
2008 void *native_pixmap_target)
2009 {
2010 struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
2011 return dri2_dpy->vtbl->copy_buffers(drv, disp, surf, native_pixmap_target);
2012 }
2013
2014 static EGLint
2015 dri2_query_buffer_age(_EGLDriver *drv, _EGLDisplay *disp, _EGLSurface *surf)
2016 {
2017 struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
2018 return dri2_dpy->vtbl->query_buffer_age(drv, disp, surf);
2019 }
2020
2021 static EGLBoolean
2022 dri2_wait_client(_EGLDriver *drv, _EGLDisplay *disp, _EGLContext *ctx)
2023 {
2024 struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
2025 _EGLSurface *surf = ctx->DrawSurface;
2026 __DRIdrawable *dri_drawable = dri2_dpy->vtbl->get_dri_drawable(surf);
2027
2028 (void) drv;
2029
2030 /* FIXME: If EGL allows frontbuffer rendering for window surfaces,
2031 * we need to copy fake to real here.*/
2032
2033 if (dri2_dpy->flush != NULL)
2034 dri2_dpy->flush->flush(dri_drawable);
2035
2036 return EGL_TRUE;
2037 }
2038
2039 static EGLBoolean
2040 dri2_wait_native(_EGLDriver *drv, _EGLDisplay *disp, EGLint engine)
2041 {
2042 (void) drv;
2043 (void) disp;
2044
2045 if (engine != EGL_CORE_NATIVE_ENGINE)
2046 return _eglError(EGL_BAD_PARAMETER, "eglWaitNative");
2047 /* glXWaitX(); */
2048
2049 return EGL_TRUE;
2050 }
2051
2052 static EGLBoolean
2053 dri2_bind_tex_image(_EGLDriver *drv,
2054 _EGLDisplay *disp, _EGLSurface *surf, EGLint buffer)
2055 {
2056 struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
2057 struct dri2_egl_context *dri2_ctx;
2058 _EGLContext *ctx;
2059 GLint format, target;
2060 __DRIdrawable *dri_drawable = dri2_dpy->vtbl->get_dri_drawable(surf);
2061
2062 ctx = _eglGetCurrentContext();
2063 dri2_ctx = dri2_egl_context(ctx);
2064
2065 if (!_eglBindTexImage(drv, disp, surf, buffer))
2066 return EGL_FALSE;
2067
2068 switch (surf->TextureFormat) {
2069 case EGL_TEXTURE_RGB:
2070 format = __DRI_TEXTURE_FORMAT_RGB;
2071 break;
2072 case EGL_TEXTURE_RGBA:
2073 format = __DRI_TEXTURE_FORMAT_RGBA;
2074 break;
2075 default:
2076 assert(!"Unexpected texture format in dri2_bind_tex_image()");
2077 format = __DRI_TEXTURE_FORMAT_RGBA;
2078 }
2079
2080 switch (surf->TextureTarget) {
2081 case EGL_TEXTURE_2D:
2082 target = GL_TEXTURE_2D;
2083 break;
2084 default:
2085 target = GL_TEXTURE_2D;
2086 assert(!"Unexpected texture target in dri2_bind_tex_image()");
2087 }
2088
2089 dri2_dpy->tex_buffer->setTexBuffer2(dri2_ctx->dri_context,
2090 target, format,
2091 dri_drawable);
2092
2093 return EGL_TRUE;
2094 }
2095
2096 static EGLBoolean
2097 dri2_release_tex_image(_EGLDriver *drv,
2098 _EGLDisplay *disp, _EGLSurface *surf, EGLint buffer)
2099 {
2100 struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
2101 struct dri2_egl_context *dri2_ctx;
2102 _EGLContext *ctx;
2103 GLint target;
2104 __DRIdrawable *dri_drawable = dri2_dpy->vtbl->get_dri_drawable(surf);
2105
2106 ctx = _eglGetCurrentContext();
2107 dri2_ctx = dri2_egl_context(ctx);
2108
2109 if (!_eglReleaseTexImage(drv, disp, surf, buffer))
2110 return EGL_FALSE;
2111
2112 switch (surf->TextureTarget) {
2113 case EGL_TEXTURE_2D:
2114 target = GL_TEXTURE_2D;
2115 break;
2116 default:
2117 assert(!"missing texture target");
2118 }
2119
2120 if (dri2_dpy->tex_buffer->base.version >= 3 &&
2121 dri2_dpy->tex_buffer->releaseTexBuffer != NULL) {
2122 dri2_dpy->tex_buffer->releaseTexBuffer(dri2_ctx->dri_context,
2123 target, dri_drawable);
2124 }
2125
2126 return EGL_TRUE;
2127 }
2128
2129 static _EGLImage*
2130 dri2_create_image(_EGLDriver *drv, _EGLDisplay *disp, _EGLContext *ctx,
2131 EGLenum target, EGLClientBuffer buffer,
2132 const EGLint *attr_list)
2133 {
2134 struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
2135 return dri2_dpy->vtbl->create_image(drv, disp, ctx, target, buffer,
2136 attr_list);
2137 }
2138
2139 static _EGLImage *
2140 dri2_create_image_from_dri(_EGLDisplay *disp, __DRIimage *dri_image)
2141 {
2142 struct dri2_egl_image *dri2_img;
2143
2144 if (dri_image == NULL) {
2145 _eglError(EGL_BAD_ALLOC, "dri2_create_image");
2146 return NULL;
2147 }
2148
2149 dri2_img = malloc(sizeof *dri2_img);
2150 if (!dri2_img) {
2151 _eglError(EGL_BAD_ALLOC, "dri2_create_image");
2152 return NULL;
2153 }
2154
2155 _eglInitImage(&dri2_img->base, disp);
2156
2157 dri2_img->dri_image = dri_image;
2158
2159 return &dri2_img->base;
2160 }
2161
2162 /**
2163 * Translate a DRI Image extension error code into an EGL error code.
2164 */
2165 static EGLint
2166 egl_error_from_dri_image_error(int dri_error)
2167 {
2168 switch (dri_error) {
2169 case __DRI_IMAGE_ERROR_SUCCESS:
2170 return EGL_SUCCESS;
2171 case __DRI_IMAGE_ERROR_BAD_ALLOC:
2172 return EGL_BAD_ALLOC;
2173 case __DRI_IMAGE_ERROR_BAD_MATCH:
2174 return EGL_BAD_MATCH;
2175 case __DRI_IMAGE_ERROR_BAD_PARAMETER:
2176 return EGL_BAD_PARAMETER;
2177 case __DRI_IMAGE_ERROR_BAD_ACCESS:
2178 return EGL_BAD_ACCESS;
2179 default:
2180 assert(!"unknown dri_error code");
2181 return EGL_BAD_ALLOC;
2182 }
2183 }
2184
2185 static _EGLImage *
2186 dri2_create_image_khr_renderbuffer(_EGLDisplay *disp, _EGLContext *ctx,
2187 EGLClientBuffer buffer,
2188 const EGLint *attr_list)
2189 {
2190 struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
2191 struct dri2_egl_context *dri2_ctx = dri2_egl_context(ctx);
2192 GLuint renderbuffer = (GLuint) (uintptr_t) buffer;
2193 __DRIimage *dri_image;
2194
2195 if (renderbuffer == 0) {
2196 _eglError(EGL_BAD_PARAMETER, "dri2_create_image_khr");
2197 return EGL_NO_IMAGE_KHR;
2198 }
2199
2200 if (!disp->Extensions.KHR_gl_renderbuffer_image) {
2201 _eglError(EGL_BAD_PARAMETER, "dri2_create_image_khr");
2202 return EGL_NO_IMAGE_KHR;
2203 }
2204
2205 if (dri2_dpy->image->base.version >= 17 &&
2206 dri2_dpy->image->createImageFromRenderbuffer2) {
2207 unsigned error = ~0;
2208
2209 dri_image = dri2_dpy->image->createImageFromRenderbuffer2(
2210 dri2_ctx->dri_context, renderbuffer, NULL, &error);
2211
2212 assert(!!dri_image == (error == __DRI_IMAGE_ERROR_SUCCESS));
2213
2214 if (!dri_image) {
2215 _eglError(egl_error_from_dri_image_error(error), "dri2_create_image_khr");
2216 return EGL_NO_IMAGE_KHR;
2217 }
2218 } else {
2219 dri_image = dri2_dpy->image->createImageFromRenderbuffer(
2220 dri2_ctx->dri_context, renderbuffer, NULL);
2221 if (!dri_image) {
2222 _eglError(EGL_BAD_ALLOC, "dri2_create_image_khr");
2223 return EGL_NO_IMAGE_KHR;
2224 }
2225 }
2226
2227 return dri2_create_image_from_dri(disp, dri_image);
2228 }
2229
2230 #ifdef HAVE_WAYLAND_PLATFORM
2231
2232 /* This structure describes how a wl_buffer maps to one or more
2233 * __DRIimages. A wl_drm_buffer stores the wl_drm format code and the
2234 * offsets and strides of the planes in the buffer. This table maps a
2235 * wl_drm format code to a description of the planes in the buffer
2236 * that lets us create a __DRIimage for each of the planes. */
2237
2238 static const struct wl_drm_components_descriptor {
2239 uint32_t dri_components;
2240 EGLint components;
2241 int nplanes;
2242 } wl_drm_components[] = {
2243 { __DRI_IMAGE_COMPONENTS_RGB, EGL_TEXTURE_RGB, 1 },
2244 { __DRI_IMAGE_COMPONENTS_RGBA, EGL_TEXTURE_RGBA, 1 },
2245 { __DRI_IMAGE_COMPONENTS_Y_U_V, EGL_TEXTURE_Y_U_V_WL, 3 },
2246 { __DRI_IMAGE_COMPONENTS_Y_UV, EGL_TEXTURE_Y_UV_WL, 2 },
2247 { __DRI_IMAGE_COMPONENTS_Y_XUXV, EGL_TEXTURE_Y_XUXV_WL, 2 },
2248 };
2249
2250 static _EGLImage *
2251 dri2_create_image_wayland_wl_buffer(_EGLDisplay *disp, _EGLContext *ctx,
2252 EGLClientBuffer _buffer,
2253 const EGLint *attr_list)
2254 {
2255 struct wl_drm_buffer *buffer;
2256 struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
2257 const struct wl_drm_components_descriptor *f;
2258 __DRIimage *dri_image;
2259 _EGLImageAttribs attrs;
2260 int32_t plane;
2261
2262 buffer = wayland_drm_buffer_get(dri2_dpy->wl_server_drm,
2263 (struct wl_resource *) _buffer);
2264 if (!buffer)
2265 return NULL;
2266
2267 if (!_eglParseImageAttribList(&attrs, disp, attr_list))
2268 return NULL;
2269
2270 plane = attrs.PlaneWL;
2271 f = buffer->driver_format;
2272 if (plane < 0 || plane >= f->nplanes) {
2273 _eglError(EGL_BAD_PARAMETER,
2274 "dri2_create_image_wayland_wl_buffer (plane out of bounds)");
2275 return NULL;
2276 }
2277
2278 dri_image = dri2_dpy->image->fromPlanar(buffer->driver_buffer, plane, NULL);
2279 if (dri_image == NULL && plane == 0)
2280 dri_image = dri2_dpy->image->dupImage(buffer->driver_buffer, NULL);
2281 if (dri_image == NULL) {
2282 _eglError(EGL_BAD_PARAMETER, "dri2_create_image_wayland_wl_buffer");
2283 return NULL;
2284 }
2285
2286 return dri2_create_image_from_dri(disp, dri_image);
2287 }
2288 #endif
2289
2290 static EGLBoolean
2291 dri2_get_sync_values_chromium(_EGLDisplay *disp, _EGLSurface *surf,
2292 EGLuint64KHR *ust, EGLuint64KHR *msc,
2293 EGLuint64KHR *sbc)
2294 {
2295 struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
2296 return dri2_dpy->vtbl->get_sync_values(disp, surf, ust, msc, sbc);
2297 }
2298
2299 /**
2300 * Set the error code after a call to
2301 * dri2_egl_image::dri_image::createImageFromTexture.
2302 */
2303 static void
2304 dri2_create_image_khr_texture_error(int dri_error)
2305 {
2306 EGLint egl_error = egl_error_from_dri_image_error(dri_error);
2307
2308 if (egl_error != EGL_SUCCESS)
2309 _eglError(egl_error, "dri2_create_image_khr_texture");
2310 }
2311
2312 static _EGLImage *
2313 dri2_create_image_khr_texture(_EGLDisplay *disp, _EGLContext *ctx,
2314 EGLenum target,
2315 EGLClientBuffer buffer,
2316 const EGLint *attr_list)
2317 {
2318 struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
2319 struct dri2_egl_context *dri2_ctx = dri2_egl_context(ctx);
2320 struct dri2_egl_image *dri2_img;
2321 GLuint texture = (GLuint) (uintptr_t) buffer;
2322 _EGLImageAttribs attrs;
2323 GLuint depth;
2324 GLenum gl_target;
2325 unsigned error;
2326
2327 if (texture == 0) {
2328 _eglError(EGL_BAD_PARAMETER, "dri2_create_image_khr");
2329 return EGL_NO_IMAGE_KHR;
2330 }
2331
2332 if (!_eglParseImageAttribList(&attrs, disp, attr_list))
2333 return EGL_NO_IMAGE_KHR;
2334
2335 switch (target) {
2336 case EGL_GL_TEXTURE_2D_KHR:
2337 if (!disp->Extensions.KHR_gl_texture_2D_image) {
2338 _eglError(EGL_BAD_PARAMETER, "dri2_create_image_khr");
2339 return EGL_NO_IMAGE_KHR;
2340 }
2341 depth = 0;
2342 gl_target = GL_TEXTURE_2D;
2343 break;
2344 case EGL_GL_TEXTURE_3D_KHR:
2345 if (!disp->Extensions.KHR_gl_texture_3D_image) {
2346 _eglError(EGL_BAD_PARAMETER, "dri2_create_image_khr");
2347 return EGL_NO_IMAGE_KHR;
2348 }
2349
2350 depth = attrs.GLTextureZOffset;
2351 gl_target = GL_TEXTURE_3D;
2352 break;
2353 case EGL_GL_TEXTURE_CUBE_MAP_POSITIVE_X_KHR:
2354 case EGL_GL_TEXTURE_CUBE_MAP_NEGATIVE_X_KHR:
2355 case EGL_GL_TEXTURE_CUBE_MAP_POSITIVE_Y_KHR:
2356 case EGL_GL_TEXTURE_CUBE_MAP_NEGATIVE_Y_KHR:
2357 case EGL_GL_TEXTURE_CUBE_MAP_POSITIVE_Z_KHR:
2358 case EGL_GL_TEXTURE_CUBE_MAP_NEGATIVE_Z_KHR:
2359 if (!disp->Extensions.KHR_gl_texture_cubemap_image) {
2360 _eglError(EGL_BAD_PARAMETER, "dri2_create_image_khr");
2361 return EGL_NO_IMAGE_KHR;
2362 }
2363
2364 depth = target - EGL_GL_TEXTURE_CUBE_MAP_POSITIVE_X_KHR;
2365 gl_target = GL_TEXTURE_CUBE_MAP;
2366 break;
2367 default:
2368 unreachable("Unexpected target in dri2_create_image_khr_texture()");
2369 return EGL_NO_IMAGE_KHR;
2370 }
2371
2372 dri2_img = malloc(sizeof *dri2_img);
2373 if (!dri2_img) {
2374 _eglError(EGL_BAD_ALLOC, "dri2_create_image_khr");
2375 return EGL_NO_IMAGE_KHR;
2376 }
2377
2378 _eglInitImage(&dri2_img->base, disp);
2379
2380 dri2_img->dri_image =
2381 dri2_dpy->image->createImageFromTexture(dri2_ctx->dri_context,
2382 gl_target,
2383 texture,
2384 depth,
2385 attrs.GLTextureLevel,
2386 &error,
2387 dri2_img);
2388 dri2_create_image_khr_texture_error(error);
2389
2390 if (!dri2_img->dri_image) {
2391 free(dri2_img);
2392 return EGL_NO_IMAGE_KHR;
2393 }
2394 return &dri2_img->base;
2395 }
2396
2397 static EGLBoolean
2398 dri2_query_surface(_EGLDriver *drv, _EGLDisplay *disp, _EGLSurface *surf,
2399 EGLint attribute, EGLint *value)
2400 {
2401 struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
2402 if (!dri2_dpy->vtbl->query_surface)
2403 return _eglQuerySurface(drv, disp, surf, attribute, value);
2404 return dri2_dpy->vtbl->query_surface(drv, disp, surf, attribute, value);
2405 }
2406
2407 static struct wl_buffer*
2408 dri2_create_wayland_buffer_from_image(_EGLDriver *drv, _EGLDisplay *disp,
2409 _EGLImage *img)
2410 {
2411 struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
2412 return dri2_dpy->vtbl->create_wayland_buffer_from_image(drv, disp, img);
2413 }
2414
2415 #ifdef HAVE_LIBDRM
2416 static _EGLImage *
2417 dri2_create_image_mesa_drm_buffer(_EGLDisplay *disp, _EGLContext *ctx,
2418 EGLClientBuffer buffer, const EGLint *attr_list)
2419 {
2420 struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
2421 EGLint format, name, pitch;
2422 _EGLImageAttribs attrs;
2423 __DRIimage *dri_image;
2424
2425 name = (EGLint) (uintptr_t) buffer;
2426
2427 if (!_eglParseImageAttribList(&attrs, disp, attr_list))
2428 return NULL;
2429
2430 if (attrs.Width <= 0 || attrs.Height <= 0 ||
2431 attrs.DRMBufferStrideMESA <= 0) {
2432 _eglError(EGL_BAD_PARAMETER,
2433 "bad width, height or stride");
2434 return NULL;
2435 }
2436
2437 switch (attrs.DRMBufferFormatMESA) {
2438 case EGL_DRM_BUFFER_FORMAT_ARGB32_MESA:
2439 format = __DRI_IMAGE_FORMAT_ARGB8888;
2440 pitch = attrs.DRMBufferStrideMESA;
2441 break;
2442 default:
2443 _eglError(EGL_BAD_PARAMETER,
2444 "dri2_create_image_khr: unsupported pixmap depth");
2445 return NULL;
2446 }
2447
2448 dri_image =
2449 dri2_dpy->image->createImageFromName(dri2_dpy->dri_screen,
2450 attrs.Width,
2451 attrs.Height,
2452 format,
2453 name,
2454 pitch,
2455 NULL);
2456
2457 return dri2_create_image_from_dri(disp, dri_image);
2458 }
2459
2460 static EGLBoolean
2461 dri2_check_dma_buf_attribs(const _EGLImageAttribs *attrs)
2462 {
2463 /**
2464 * The spec says:
2465 *
2466 * "Required attributes and their values are as follows:
2467 *
2468 * * EGL_WIDTH & EGL_HEIGHT: The logical dimensions of the buffer in pixels
2469 *
2470 * * EGL_LINUX_DRM_FOURCC_EXT: The pixel format of the buffer, as specified
2471 * by drm_fourcc.h and used as the pixel_format parameter of the
2472 * drm_mode_fb_cmd2 ioctl."
2473 *
2474 * and
2475 *
2476 * "* If <target> is EGL_LINUX_DMA_BUF_EXT, and the list of attributes is
2477 * incomplete, EGL_BAD_PARAMETER is generated."
2478 */
2479 if (attrs->Width <= 0 || attrs->Height <= 0 ||
2480 !attrs->DMABufFourCC.IsPresent)
2481 return _eglError(EGL_BAD_PARAMETER, "attribute(s) missing");
2482
2483 /**
2484 * Also:
2485 *
2486 * "If <target> is EGL_LINUX_DMA_BUF_EXT and one or more of the values
2487 * specified for a plane's pitch or offset isn't supported by EGL,
2488 * EGL_BAD_ACCESS is generated."
2489 */
2490 for (unsigned i = 0; i < ARRAY_SIZE(attrs->DMABufPlanePitches); ++i) {
2491 if (attrs->DMABufPlanePitches[i].IsPresent &&
2492 attrs->DMABufPlanePitches[i].Value <= 0)
2493 return _eglError(EGL_BAD_ACCESS, "invalid pitch");
2494 }
2495
2496 /**
2497 * If <target> is EGL_LINUX_DMA_BUF_EXT, both or neither of the following
2498 * attribute values may be given.
2499 *
2500 * This is referring to EGL_DMA_BUF_PLANE0_MODIFIER_LO_EXT and
2501 * EGL_DMA_BUF_PLANE0_MODIFIER_HI_EXT, and the same for other planes.
2502 */
2503 for (unsigned i = 0; i < DMA_BUF_MAX_PLANES; ++i) {
2504 if (attrs->DMABufPlaneModifiersLo[i].IsPresent !=
2505 attrs->DMABufPlaneModifiersHi[i].IsPresent)
2506 return _eglError(EGL_BAD_PARAMETER, "modifier attribute lo or hi missing");
2507 }
2508
2509 /* Although the EGL_EXT_image_dma_buf_import_modifiers spec doesn't
2510 * mandate it, we only accept the same modifier across all planes. */
2511 for (unsigned i = 1; i < DMA_BUF_MAX_PLANES; ++i) {
2512 if (attrs->DMABufPlaneFds[i].IsPresent) {
2513 if ((attrs->DMABufPlaneModifiersLo[0].IsPresent !=
2514 attrs->DMABufPlaneModifiersLo[i].IsPresent) ||
2515 (attrs->DMABufPlaneModifiersLo[0].Value !=
2516 attrs->DMABufPlaneModifiersLo[i].Value) ||
2517 (attrs->DMABufPlaneModifiersHi[0].Value !=
2518 attrs->DMABufPlaneModifiersHi[i].Value))
2519 return _eglError(EGL_BAD_PARAMETER, "modifier attributes not equal");
2520 }
2521 }
2522
2523 return EGL_TRUE;
2524 }
2525
2526 /* Returns the total number of planes for the format or zero if it isn't a
2527 * valid fourcc format.
2528 */
2529 static unsigned
2530 dri2_num_fourcc_format_planes(EGLint format)
2531 {
2532 switch (format) {
2533 case DRM_FORMAT_R8:
2534 case DRM_FORMAT_RG88:
2535 case DRM_FORMAT_GR88:
2536 case DRM_FORMAT_R16:
2537 case DRM_FORMAT_GR1616:
2538 case DRM_FORMAT_RGB332:
2539 case DRM_FORMAT_BGR233:
2540 case DRM_FORMAT_XRGB4444:
2541 case DRM_FORMAT_XBGR4444:
2542 case DRM_FORMAT_RGBX4444:
2543 case DRM_FORMAT_BGRX4444:
2544 case DRM_FORMAT_ARGB4444:
2545 case DRM_FORMAT_ABGR4444:
2546 case DRM_FORMAT_RGBA4444:
2547 case DRM_FORMAT_BGRA4444:
2548 case DRM_FORMAT_XRGB1555:
2549 case DRM_FORMAT_XBGR1555:
2550 case DRM_FORMAT_RGBX5551:
2551 case DRM_FORMAT_BGRX5551:
2552 case DRM_FORMAT_ARGB1555:
2553 case DRM_FORMAT_ABGR1555:
2554 case DRM_FORMAT_RGBA5551:
2555 case DRM_FORMAT_BGRA5551:
2556 case DRM_FORMAT_RGB565:
2557 case DRM_FORMAT_BGR565:
2558 case DRM_FORMAT_RGB888:
2559 case DRM_FORMAT_BGR888:
2560 case DRM_FORMAT_XRGB8888:
2561 case DRM_FORMAT_XBGR8888:
2562 case DRM_FORMAT_RGBX8888:
2563 case DRM_FORMAT_BGRX8888:
2564 case DRM_FORMAT_ARGB8888:
2565 case DRM_FORMAT_ABGR8888:
2566 case DRM_FORMAT_RGBA8888:
2567 case DRM_FORMAT_BGRA8888:
2568 case DRM_FORMAT_XRGB2101010:
2569 case DRM_FORMAT_XBGR2101010:
2570 case DRM_FORMAT_RGBX1010102:
2571 case DRM_FORMAT_BGRX1010102:
2572 case DRM_FORMAT_ARGB2101010:
2573 case DRM_FORMAT_ABGR2101010:
2574 case DRM_FORMAT_RGBA1010102:
2575 case DRM_FORMAT_BGRA1010102:
2576 case DRM_FORMAT_XBGR16161616F:
2577 case DRM_FORMAT_ABGR16161616F:
2578 case DRM_FORMAT_YUYV:
2579 case DRM_FORMAT_YVYU:
2580 case DRM_FORMAT_UYVY:
2581 case DRM_FORMAT_VYUY:
2582 case DRM_FORMAT_AYUV:
2583 case DRM_FORMAT_XYUV8888:
2584 return 1;
2585
2586 case DRM_FORMAT_NV12:
2587 case DRM_FORMAT_NV21:
2588 case DRM_FORMAT_NV16:
2589 case DRM_FORMAT_NV61:
2590 case DRM_FORMAT_P010:
2591 case DRM_FORMAT_P012:
2592 case DRM_FORMAT_P016:
2593 return 2;
2594
2595 case DRM_FORMAT_YUV410:
2596 case DRM_FORMAT_YVU410:
2597 case DRM_FORMAT_YUV411:
2598 case DRM_FORMAT_YVU411:
2599 case DRM_FORMAT_YUV420:
2600 case DRM_FORMAT_YVU420:
2601 case DRM_FORMAT_YUV422:
2602 case DRM_FORMAT_YVU422:
2603 case DRM_FORMAT_YUV444:
2604 case DRM_FORMAT_YVU444:
2605 return 3;
2606
2607 default:
2608 return 0;
2609 }
2610 }
2611
2612 /* Returns the total number of file descriptors. Zero indicates an error. */
2613 static unsigned
2614 dri2_check_dma_buf_format(const _EGLImageAttribs *attrs)
2615 {
2616 unsigned plane_n = dri2_num_fourcc_format_planes(attrs->DMABufFourCC.Value);
2617 if (plane_n == 0) {
2618 _eglError(EGL_BAD_MATCH, "unknown drm fourcc format");
2619 return 0;
2620 }
2621
2622 for (unsigned i = plane_n; i < DMA_BUF_MAX_PLANES; i++) {
2623 /**
2624 * The modifiers extension spec says:
2625 *
2626 * "Modifiers may modify any attribute of a buffer import, including
2627 * but not limited to adding extra planes to a format which
2628 * otherwise does not have those planes. As an example, a modifier
2629 * may add a plane for an external compression buffer to a
2630 * single-plane format. The exact meaning and effect of any
2631 * modifier is canonically defined by drm_fourcc.h, not as part of
2632 * this extension."
2633 */
2634 if (attrs->DMABufPlaneModifiersLo[i].IsPresent &&
2635 attrs->DMABufPlaneModifiersHi[i].IsPresent) {
2636 plane_n = i + 1;
2637 }
2638 }
2639
2640 /**
2641 * The spec says:
2642 *
2643 * "* If <target> is EGL_LINUX_DMA_BUF_EXT, and the list of attributes is
2644 * incomplete, EGL_BAD_PARAMETER is generated."
2645 */
2646 for (unsigned i = 0; i < plane_n; ++i) {
2647 if (!attrs->DMABufPlaneFds[i].IsPresent ||
2648 !attrs->DMABufPlaneOffsets[i].IsPresent ||
2649 !attrs->DMABufPlanePitches[i].IsPresent) {
2650 _eglError(EGL_BAD_PARAMETER, "plane attribute(s) missing");
2651 return 0;
2652 }
2653 }
2654
2655 /**
2656 * The spec also says:
2657 *
2658 * "If <target> is EGL_LINUX_DMA_BUF_EXT, and the EGL_LINUX_DRM_FOURCC_EXT
2659 * attribute indicates a single-plane format, EGL_BAD_ATTRIBUTE is
2660 * generated if any of the EGL_DMA_BUF_PLANE1_* or EGL_DMA_BUF_PLANE2_*
2661 * or EGL_DMA_BUF_PLANE3_* attributes are specified."
2662 */
2663 for (unsigned i = plane_n; i < DMA_BUF_MAX_PLANES; ++i) {
2664 if (attrs->DMABufPlaneFds[i].IsPresent ||
2665 attrs->DMABufPlaneOffsets[i].IsPresent ||
2666 attrs->DMABufPlanePitches[i].IsPresent) {
2667 _eglError(EGL_BAD_ATTRIBUTE, "too many plane attributes");
2668 return 0;
2669 }
2670 }
2671
2672 return plane_n;
2673 }
2674
2675 static EGLBoolean
2676 dri2_query_dma_buf_formats(_EGLDriver *drv, _EGLDisplay *disp,
2677 EGLint max, EGLint *formats, EGLint *count)
2678 {
2679 struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
2680 if (max < 0 || (max > 0 && formats == NULL))
2681 return _eglError(EGL_BAD_PARAMETER, "invalid value for max count of formats");
2682
2683 if (dri2_dpy->image->base.version < 15 ||
2684 dri2_dpy->image->queryDmaBufFormats == NULL)
2685 return EGL_FALSE;
2686
2687 if (!dri2_dpy->image->queryDmaBufFormats(dri2_dpy->dri_screen, max,
2688 formats, count))
2689 return EGL_FALSE;
2690
2691 if (max > 0) {
2692 /* Assert that all of the formats returned are actually fourcc formats.
2693 * Some day, if we want the internal interface function to be able to
2694 * return the fake fourcc formats defined in dri_interface.h, we'll have
2695 * to do something more clever here to pair the list down to just real
2696 * fourcc formats so that we don't leak the fake internal ones.
2697 */
2698 for (int i = 0; i < *count; i++) {
2699 assert(dri2_num_fourcc_format_planes(formats[i]) > 0);
2700 }
2701 }
2702
2703 return EGL_TRUE;
2704 }
2705
2706 static EGLBoolean
2707 dri2_query_dma_buf_modifiers(_EGLDriver *drv, _EGLDisplay *disp, EGLint format,
2708 EGLint max, EGLuint64KHR *modifiers,
2709 EGLBoolean *external_only, EGLint *count)
2710 {
2711 struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
2712
2713 if (dri2_num_fourcc_format_planes(format) == 0)
2714 return _eglError(EGL_BAD_PARAMETER, "invalid fourcc format");
2715
2716 if (max < 0)
2717 return _eglError(EGL_BAD_PARAMETER, "invalid value for max count of formats");
2718
2719 if (max > 0 && modifiers == NULL)
2720 return _eglError(EGL_BAD_PARAMETER, "invalid modifiers array");
2721
2722 if (dri2_dpy->image->base.version < 15 ||
2723 dri2_dpy->image->queryDmaBufModifiers == NULL)
2724 return EGL_FALSE;
2725
2726 if (dri2_dpy->image->queryDmaBufModifiers(dri2_dpy->dri_screen, format,
2727 max, modifiers,
2728 (unsigned int *) external_only,
2729 count) == false)
2730 return _eglError(EGL_BAD_PARAMETER, "invalid format");
2731
2732 return EGL_TRUE;
2733 }
2734
2735 /**
2736 * The spec says:
2737 *
2738 * "If eglCreateImageKHR is successful for a EGL_LINUX_DMA_BUF_EXT target, the
2739 * EGL will take a reference to the dma_buf(s) which it will release at any
2740 * time while the EGLDisplay is initialized. It is the responsibility of the
2741 * application to close the dma_buf file descriptors."
2742 *
2743 * Therefore we must never close or otherwise modify the file descriptors.
2744 */
2745 _EGLImage *
2746 dri2_create_image_dma_buf(_EGLDisplay *disp, _EGLContext *ctx,
2747 EGLClientBuffer buffer, const EGLint *attr_list)
2748 {
2749 struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
2750 _EGLImage *res;
2751 _EGLImageAttribs attrs;
2752 __DRIimage *dri_image;
2753 unsigned num_fds;
2754 int fds[DMA_BUF_MAX_PLANES];
2755 int pitches[DMA_BUF_MAX_PLANES];
2756 int offsets[DMA_BUF_MAX_PLANES];
2757 uint64_t modifier;
2758 bool has_modifier = false;
2759 unsigned error;
2760
2761 /**
2762 * The spec says:
2763 *
2764 * ""* If <target> is EGL_LINUX_DMA_BUF_EXT and <buffer> is not NULL, the
2765 * error EGL_BAD_PARAMETER is generated."
2766 */
2767 if (buffer != NULL) {
2768 _eglError(EGL_BAD_PARAMETER, "buffer not NULL");
2769 return NULL;
2770 }
2771
2772 if (!_eglParseImageAttribList(&attrs, disp, attr_list))
2773 return NULL;
2774
2775 if (!dri2_check_dma_buf_attribs(&attrs))
2776 return NULL;
2777
2778 num_fds = dri2_check_dma_buf_format(&attrs);
2779 if (!num_fds)
2780 return NULL;
2781
2782 for (unsigned i = 0; i < num_fds; ++i) {
2783 fds[i] = attrs.DMABufPlaneFds[i].Value;
2784 pitches[i] = attrs.DMABufPlanePitches[i].Value;
2785 offsets[i] = attrs.DMABufPlaneOffsets[i].Value;
2786 }
2787
2788 /* dri2_check_dma_buf_attribs ensures that the modifier, if available,
2789 * will be present in attrs.DMABufPlaneModifiersLo[0] and
2790 * attrs.DMABufPlaneModifiersHi[0] */
2791 if (attrs.DMABufPlaneModifiersLo[0].IsPresent) {
2792 modifier = combine_u32_into_u64(attrs.DMABufPlaneModifiersHi[0].Value,
2793 attrs.DMABufPlaneModifiersLo[0].Value);
2794 has_modifier = true;
2795 }
2796
2797 if (has_modifier) {
2798 if (dri2_dpy->image->base.version < 15 ||
2799 dri2_dpy->image->createImageFromDmaBufs2 == NULL) {
2800 _eglError(EGL_BAD_MATCH, "unsupported dma_buf format modifier");
2801 return EGL_NO_IMAGE_KHR;
2802 }
2803 dri_image =
2804 dri2_dpy->image->createImageFromDmaBufs2(dri2_dpy->dri_screen,
2805 attrs.Width, attrs.Height, attrs.DMABufFourCC.Value,
2806 modifier, fds, num_fds, pitches, offsets,
2807 attrs.DMABufYuvColorSpaceHint.Value,
2808 attrs.DMABufSampleRangeHint.Value,
2809 attrs.DMABufChromaHorizontalSiting.Value,
2810 attrs.DMABufChromaVerticalSiting.Value,
2811 &error,
2812 NULL);
2813 }
2814 else {
2815 dri_image =
2816 dri2_dpy->image->createImageFromDmaBufs(dri2_dpy->dri_screen,
2817 attrs.Width, attrs.Height, attrs.DMABufFourCC.Value,
2818 fds, num_fds, pitches, offsets,
2819 attrs.DMABufYuvColorSpaceHint.Value,
2820 attrs.DMABufSampleRangeHint.Value,
2821 attrs.DMABufChromaHorizontalSiting.Value,
2822 attrs.DMABufChromaVerticalSiting.Value,
2823 &error,
2824 NULL);
2825 }
2826 dri2_create_image_khr_texture_error(error);
2827
2828 if (!dri_image)
2829 return EGL_NO_IMAGE_KHR;
2830
2831 res = dri2_create_image_from_dri(disp, dri_image);
2832
2833 return res;
2834 }
2835 static _EGLImage *
2836 dri2_create_drm_image_mesa(_EGLDriver *drv, _EGLDisplay *disp,
2837 const EGLint *attr_list)
2838 {
2839 struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
2840 struct dri2_egl_image *dri2_img;
2841 _EGLImageAttribs attrs;
2842 unsigned int dri_use, valid_mask;
2843 int format;
2844
2845 (void) drv;
2846
2847 if (!attr_list) {
2848 _eglError(EGL_BAD_PARAMETER, __func__);
2849 return EGL_NO_IMAGE_KHR;
2850 }
2851
2852 if (!_eglParseImageAttribList(&attrs, disp, attr_list))
2853 return EGL_NO_IMAGE_KHR;
2854
2855 if (attrs.Width <= 0 || attrs.Height <= 0) {
2856 _eglError(EGL_BAD_PARAMETER, __func__);
2857 return EGL_NO_IMAGE_KHR;
2858 }
2859
2860 switch (attrs.DRMBufferFormatMESA) {
2861 case EGL_DRM_BUFFER_FORMAT_ARGB32_MESA:
2862 format = __DRI_IMAGE_FORMAT_ARGB8888;
2863 break;
2864 default:
2865 _eglError(EGL_BAD_PARAMETER, __func__);
2866 return EGL_NO_IMAGE_KHR;
2867 }
2868
2869 valid_mask =
2870 EGL_DRM_BUFFER_USE_SCANOUT_MESA |
2871 EGL_DRM_BUFFER_USE_SHARE_MESA |
2872 EGL_DRM_BUFFER_USE_CURSOR_MESA;
2873 if (attrs.DRMBufferUseMESA & ~valid_mask) {
2874 _eglError(EGL_BAD_PARAMETER, __func__);
2875 return EGL_NO_IMAGE_KHR;
2876 }
2877
2878 dri_use = 0;
2879 if (attrs.DRMBufferUseMESA & EGL_DRM_BUFFER_USE_SHARE_MESA)
2880 dri_use |= __DRI_IMAGE_USE_SHARE;
2881 if (attrs.DRMBufferUseMESA & EGL_DRM_BUFFER_USE_SCANOUT_MESA)
2882 dri_use |= __DRI_IMAGE_USE_SCANOUT;
2883 if (attrs.DRMBufferUseMESA & EGL_DRM_BUFFER_USE_CURSOR_MESA)
2884 dri_use |= __DRI_IMAGE_USE_CURSOR;
2885
2886 dri2_img = malloc(sizeof *dri2_img);
2887 if (!dri2_img) {
2888 _eglError(EGL_BAD_ALLOC, "dri2_create_image_khr");
2889 return EGL_NO_IMAGE_KHR;
2890 }
2891
2892 _eglInitImage(&dri2_img->base, disp);
2893
2894 dri2_img->dri_image =
2895 dri2_dpy->image->createImage(dri2_dpy->dri_screen,
2896 attrs.Width, attrs.Height,
2897 format, dri_use, dri2_img);
2898 if (dri2_img->dri_image == NULL) {
2899 free(dri2_img);
2900 _eglError(EGL_BAD_ALLOC, "dri2_create_drm_image_mesa");
2901 return EGL_NO_IMAGE_KHR;
2902 }
2903
2904 return &dri2_img->base;
2905 }
2906
2907 static EGLBoolean
2908 dri2_export_drm_image_mesa(_EGLDriver *drv, _EGLDisplay *disp, _EGLImage *img,
2909 EGLint *name, EGLint *handle, EGLint *stride)
2910 {
2911 struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
2912 struct dri2_egl_image *dri2_img = dri2_egl_image(img);
2913
2914 (void) drv;
2915
2916 if (name && !dri2_dpy->image->queryImage(dri2_img->dri_image,
2917 __DRI_IMAGE_ATTRIB_NAME, name))
2918 return _eglError(EGL_BAD_ALLOC, "dri2_export_drm_image_mesa");
2919
2920 if (handle)
2921 dri2_dpy->image->queryImage(dri2_img->dri_image,
2922 __DRI_IMAGE_ATTRIB_HANDLE, handle);
2923
2924 if (stride)
2925 dri2_dpy->image->queryImage(dri2_img->dri_image,
2926 __DRI_IMAGE_ATTRIB_STRIDE, stride);
2927
2928 return EGL_TRUE;
2929 }
2930
2931 /**
2932 * Checks if we can support EGL_MESA_image_dma_buf_export on this image.
2933
2934 * The spec provides a boolean return for the driver to reject exporting for
2935 * basically any reason, but doesn't specify any particular error cases. For
2936 * now, we just fail if we don't have a DRM fourcc for the format.
2937 */
2938 static bool
2939 dri2_can_export_dma_buf_image(_EGLDisplay *disp, _EGLImage *img)
2940 {
2941 struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
2942 struct dri2_egl_image *dri2_img = dri2_egl_image(img);
2943 EGLint fourcc;
2944
2945 if (!dri2_dpy->image->queryImage(dri2_img->dri_image,
2946 __DRI_IMAGE_ATTRIB_FOURCC, &fourcc)) {
2947 return false;
2948 }
2949
2950 return true;
2951 }
2952
2953 static EGLBoolean
2954 dri2_export_dma_buf_image_query_mesa(_EGLDriver *drv, _EGLDisplay *disp,
2955 _EGLImage *img,
2956 EGLint *fourcc, EGLint *nplanes,
2957 EGLuint64KHR *modifiers)
2958 {
2959 struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
2960 struct dri2_egl_image *dri2_img = dri2_egl_image(img);
2961 int num_planes;
2962
2963 (void) drv;
2964
2965 if (!dri2_can_export_dma_buf_image(disp, img))
2966 return EGL_FALSE;
2967
2968 dri2_dpy->image->queryImage(dri2_img->dri_image,
2969 __DRI_IMAGE_ATTRIB_NUM_PLANES, &num_planes);
2970 if (nplanes)
2971 *nplanes = num_planes;
2972
2973 if (fourcc)
2974 dri2_dpy->image->queryImage(dri2_img->dri_image,
2975 __DRI_IMAGE_ATTRIB_FOURCC, fourcc);
2976
2977 if (modifiers) {
2978 int mod_hi, mod_lo;
2979 uint64_t modifier = DRM_FORMAT_MOD_INVALID;
2980 bool query;
2981
2982 query = dri2_dpy->image->queryImage(dri2_img->dri_image,
2983 __DRI_IMAGE_ATTRIB_MODIFIER_UPPER,
2984 &mod_hi);
2985 query &= dri2_dpy->image->queryImage(dri2_img->dri_image,
2986 __DRI_IMAGE_ATTRIB_MODIFIER_LOWER,
2987 &mod_lo);
2988 if (query)
2989 modifier = combine_u32_into_u64 (mod_hi, mod_lo);
2990
2991 for (int i = 0; i < num_planes; i++)
2992 modifiers[i] = modifier;
2993 }
2994
2995 return EGL_TRUE;
2996 }
2997
2998 static EGLBoolean
2999 dri2_export_dma_buf_image_mesa(_EGLDriver *drv, _EGLDisplay *disp, _EGLImage *img,
3000 int *fds, EGLint *strides, EGLint *offsets)
3001 {
3002 struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
3003 struct dri2_egl_image *dri2_img = dri2_egl_image(img);
3004 EGLint nplanes;
3005
3006 (void) drv;
3007
3008 if (!dri2_can_export_dma_buf_image(disp, img))
3009 return EGL_FALSE;
3010
3011 /* EGL_MESA_image_dma_buf_export spec says:
3012 * "If the number of fds is less than the number of planes, then
3013 * subsequent fd slots should contain -1."
3014 */
3015 if (fds) {
3016 /* Query nplanes so that we know how big the given array is. */
3017 dri2_dpy->image->queryImage(dri2_img->dri_image,
3018 __DRI_IMAGE_ATTRIB_NUM_PLANES, &nplanes);
3019 memset(fds, -1, nplanes * sizeof(int));
3020 }
3021
3022 /* rework later to provide multiple fds/strides/offsets */
3023 if (fds)
3024 dri2_dpy->image->queryImage(dri2_img->dri_image,
3025 __DRI_IMAGE_ATTRIB_FD, fds);
3026
3027 if (strides)
3028 dri2_dpy->image->queryImage(dri2_img->dri_image,
3029 __DRI_IMAGE_ATTRIB_STRIDE, strides);
3030
3031 if (offsets) {
3032 int img_offset;
3033 bool ret = dri2_dpy->image->queryImage(dri2_img->dri_image,
3034 __DRI_IMAGE_ATTRIB_OFFSET, &img_offset);
3035 if (ret)
3036 offsets[0] = img_offset;
3037 else
3038 offsets[0] = 0;
3039 }
3040
3041 return EGL_TRUE;
3042 }
3043
3044 #endif
3045
3046 _EGLImage *
3047 dri2_create_image_khr(_EGLDriver *drv, _EGLDisplay *disp,
3048 _EGLContext *ctx, EGLenum target,
3049 EGLClientBuffer buffer, const EGLint *attr_list)
3050 {
3051 (void) drv;
3052
3053 switch (target) {
3054 case EGL_GL_TEXTURE_2D_KHR:
3055 case EGL_GL_TEXTURE_CUBE_MAP_POSITIVE_X_KHR:
3056 case EGL_GL_TEXTURE_CUBE_MAP_NEGATIVE_X_KHR:
3057 case EGL_GL_TEXTURE_CUBE_MAP_POSITIVE_Y_KHR:
3058 case EGL_GL_TEXTURE_CUBE_MAP_NEGATIVE_Y_KHR:
3059 case EGL_GL_TEXTURE_CUBE_MAP_POSITIVE_Z_KHR:
3060 case EGL_GL_TEXTURE_CUBE_MAP_NEGATIVE_Z_KHR:
3061 case EGL_GL_TEXTURE_3D_KHR:
3062 return dri2_create_image_khr_texture(disp, ctx, target, buffer, attr_list);
3063 case EGL_GL_RENDERBUFFER_KHR:
3064 return dri2_create_image_khr_renderbuffer(disp, ctx, buffer, attr_list);
3065 #ifdef HAVE_LIBDRM
3066 case EGL_DRM_BUFFER_MESA:
3067 return dri2_create_image_mesa_drm_buffer(disp, ctx, buffer, attr_list);
3068 case EGL_LINUX_DMA_BUF_EXT:
3069 return dri2_create_image_dma_buf(disp, ctx, buffer, attr_list);
3070 #endif
3071 #ifdef HAVE_WAYLAND_PLATFORM
3072 case EGL_WAYLAND_BUFFER_WL:
3073 return dri2_create_image_wayland_wl_buffer(disp, ctx, buffer, attr_list);
3074 #endif
3075 default:
3076 _eglError(EGL_BAD_PARAMETER, "dri2_create_image_khr");
3077 return EGL_NO_IMAGE_KHR;
3078 }
3079 }
3080
3081 static EGLBoolean
3082 dri2_destroy_image_khr(_EGLDriver *drv, _EGLDisplay *disp, _EGLImage *image)
3083 {
3084 struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
3085 struct dri2_egl_image *dri2_img = dri2_egl_image(image);
3086
3087 (void) drv;
3088
3089 dri2_dpy->image->destroyImage(dri2_img->dri_image);
3090 free(dri2_img);
3091
3092 return EGL_TRUE;
3093 }
3094
3095 #ifdef HAVE_WAYLAND_PLATFORM
3096
3097 static void
3098 dri2_wl_reference_buffer(void *user_data, uint32_t name, int fd,
3099 struct wl_drm_buffer *buffer)
3100 {
3101 _EGLDisplay *disp = user_data;
3102 struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
3103 __DRIimage *img;
3104 int dri_components = 0;
3105
3106 if (fd == -1)
3107 img = dri2_dpy->image->createImageFromNames(dri2_dpy->dri_screen,
3108 buffer->width,
3109 buffer->height,
3110 buffer->format,
3111 (int*)&name, 1,
3112 buffer->stride,
3113 buffer->offset,
3114 NULL);
3115 else
3116 img = dri2_dpy->image->createImageFromFds(dri2_dpy->dri_screen,
3117 buffer->width,
3118 buffer->height,
3119 buffer->format,
3120 &fd, 1,
3121 buffer->stride,
3122 buffer->offset,
3123 NULL);
3124
3125 if (img == NULL)
3126 return;
3127
3128 dri2_dpy->image->queryImage(img, __DRI_IMAGE_ATTRIB_COMPONENTS, &dri_components);
3129
3130 buffer->driver_format = NULL;
3131 for (int i = 0; i < ARRAY_SIZE(wl_drm_components); i++)
3132 if (wl_drm_components[i].dri_components == dri_components)
3133 buffer->driver_format = &wl_drm_components[i];
3134
3135 if (buffer->driver_format == NULL)
3136 dri2_dpy->image->destroyImage(img);
3137 else
3138 buffer->driver_buffer = img;
3139 }
3140
3141 static void
3142 dri2_wl_release_buffer(void *user_data, struct wl_drm_buffer *buffer)
3143 {
3144 _EGLDisplay *disp = user_data;
3145 struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
3146
3147 dri2_dpy->image->destroyImage(buffer->driver_buffer);
3148 }
3149
3150 static EGLBoolean
3151 dri2_bind_wayland_display_wl(_EGLDriver *drv, _EGLDisplay *disp,
3152 struct wl_display *wl_dpy)
3153 {
3154 struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
3155 const struct wayland_drm_callbacks wl_drm_callbacks = {
3156 .authenticate = (int(*)(void *, uint32_t)) dri2_dpy->vtbl->authenticate,
3157 .reference_buffer = dri2_wl_reference_buffer,
3158 .release_buffer = dri2_wl_release_buffer,
3159 .is_format_supported = dri2_wl_is_format_supported
3160 };
3161 int flags = 0;
3162 uint64_t cap;
3163
3164 (void) drv;
3165
3166 if (dri2_dpy->wl_server_drm)
3167 return EGL_FALSE;
3168
3169 if (drmGetCap(dri2_dpy->fd, DRM_CAP_PRIME, &cap) == 0 &&
3170 cap == (DRM_PRIME_CAP_IMPORT | DRM_PRIME_CAP_EXPORT) &&
3171 dri2_dpy->image->base.version >= 7 &&
3172 dri2_dpy->image->createImageFromFds != NULL)
3173 flags |= WAYLAND_DRM_PRIME;
3174
3175 dri2_dpy->wl_server_drm =
3176 wayland_drm_init(wl_dpy, dri2_dpy->device_name,
3177 &wl_drm_callbacks, disp, flags);
3178
3179 if (!dri2_dpy->wl_server_drm)
3180 return EGL_FALSE;
3181
3182 #ifdef HAVE_DRM_PLATFORM
3183 /* We have to share the wl_drm instance with gbm, so gbm can convert
3184 * wl_buffers to gbm bos. */
3185 if (dri2_dpy->gbm_dri)
3186 dri2_dpy->gbm_dri->wl_drm = dri2_dpy->wl_server_drm;
3187 #endif
3188
3189 return EGL_TRUE;
3190 }
3191
3192 static EGLBoolean
3193 dri2_unbind_wayland_display_wl(_EGLDriver *drv, _EGLDisplay *disp,
3194 struct wl_display *wl_dpy)
3195 {
3196 struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
3197
3198 (void) drv;
3199
3200 if (!dri2_dpy->wl_server_drm)
3201 return EGL_FALSE;
3202
3203 wayland_drm_uninit(dri2_dpy->wl_server_drm);
3204 dri2_dpy->wl_server_drm = NULL;
3205
3206 return EGL_TRUE;
3207 }
3208
3209 static EGLBoolean
3210 dri2_query_wayland_buffer_wl(_EGLDriver *drv, _EGLDisplay *disp,
3211 struct wl_resource *buffer_resource,
3212 EGLint attribute, EGLint *value)
3213 {
3214 struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
3215 struct wl_drm_buffer *buffer;
3216 const struct wl_drm_components_descriptor *format;
3217
3218 buffer = wayland_drm_buffer_get(dri2_dpy->wl_server_drm, buffer_resource);
3219 if (!buffer)
3220 return EGL_FALSE;
3221
3222 format = buffer->driver_format;
3223 switch (attribute) {
3224 case EGL_TEXTURE_FORMAT:
3225 *value = format->components;
3226 return EGL_TRUE;
3227 case EGL_WIDTH:
3228 *value = buffer->width;
3229 return EGL_TRUE;
3230 case EGL_HEIGHT:
3231 *value = buffer->height;
3232 return EGL_TRUE;
3233 }
3234
3235 return EGL_FALSE;
3236 }
3237 #endif
3238
3239 static void
3240 dri2_egl_ref_sync(struct dri2_egl_sync *sync)
3241 {
3242 p_atomic_inc(&sync->refcount);
3243 }
3244
3245 static void
3246 dri2_egl_unref_sync(struct dri2_egl_display *dri2_dpy,
3247 struct dri2_egl_sync *dri2_sync)
3248 {
3249 if (p_atomic_dec_zero(&dri2_sync->refcount)) {
3250 switch (dri2_sync->base.Type) {
3251 case EGL_SYNC_REUSABLE_KHR:
3252 cnd_destroy(&dri2_sync->cond);
3253 break;
3254 case EGL_SYNC_NATIVE_FENCE_ANDROID:
3255 if (dri2_sync->base.SyncFd != EGL_NO_NATIVE_FENCE_FD_ANDROID)
3256 close(dri2_sync->base.SyncFd);
3257 break;
3258 default:
3259 break;
3260 }
3261
3262 if (dri2_sync->fence)
3263 dri2_dpy->fence->destroy_fence(dri2_dpy->dri_screen, dri2_sync->fence);
3264
3265 free(dri2_sync);
3266 }
3267 }
3268
3269 static _EGLSync *
3270 dri2_create_sync(_EGLDriver *drv, _EGLDisplay *disp,
3271 EGLenum type, const EGLAttrib *attrib_list)
3272 {
3273 _EGLContext *ctx = _eglGetCurrentContext();
3274 struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
3275 struct dri2_egl_context *dri2_ctx = dri2_egl_context(ctx);
3276 struct dri2_egl_sync *dri2_sync;
3277 EGLint ret;
3278 pthread_condattr_t attr;
3279
3280 dri2_sync = calloc(1, sizeof(struct dri2_egl_sync));
3281 if (!dri2_sync) {
3282 _eglError(EGL_BAD_ALLOC, "eglCreateSyncKHR");
3283 return NULL;
3284 }
3285
3286 if (!_eglInitSync(&dri2_sync->base, disp, type, attrib_list)) {
3287 free(dri2_sync);
3288 return NULL;
3289 }
3290
3291 switch (type) {
3292 case EGL_SYNC_FENCE_KHR:
3293 dri2_sync->fence = dri2_dpy->fence->create_fence(dri2_ctx->dri_context);
3294 if (!dri2_sync->fence) {
3295 /* Why did it fail? DRI doesn't return an error code, so we emit
3296 * a generic EGL error that doesn't communicate user error.
3297 */
3298 _eglError(EGL_BAD_ALLOC, "eglCreateSyncKHR");
3299 free(dri2_sync);
3300 return NULL;
3301 }
3302 break;
3303
3304 case EGL_SYNC_CL_EVENT_KHR:
3305 dri2_sync->fence = dri2_dpy->fence->get_fence_from_cl_event(
3306 dri2_dpy->dri_screen,
3307 dri2_sync->base.CLEvent);
3308 /* this can only happen if the cl_event passed in is invalid. */
3309 if (!dri2_sync->fence) {
3310 _eglError(EGL_BAD_ATTRIBUTE, "eglCreateSyncKHR");
3311 free(dri2_sync);
3312 return NULL;
3313 }
3314
3315 /* the initial status must be "signaled" if the cl_event is signaled */
3316 if (dri2_dpy->fence->client_wait_sync(dri2_ctx->dri_context,
3317 dri2_sync->fence, 0, 0))
3318 dri2_sync->base.SyncStatus = EGL_SIGNALED_KHR;
3319 break;
3320
3321 case EGL_SYNC_REUSABLE_KHR:
3322 /* intialize attr */
3323 ret = pthread_condattr_init(&attr);
3324
3325 if (ret) {
3326 _eglError(EGL_BAD_ACCESS, "eglCreateSyncKHR");
3327 free(dri2_sync);
3328 return NULL;
3329 }
3330
3331 /* change clock attribute to CLOCK_MONOTONIC */
3332 ret = pthread_condattr_setclock(&attr, CLOCK_MONOTONIC);
3333
3334 if (ret) {
3335 _eglError(EGL_BAD_ACCESS, "eglCreateSyncKHR");
3336 free(dri2_sync);
3337 return NULL;
3338 }
3339
3340 ret = pthread_cond_init(&dri2_sync->cond, &attr);
3341
3342 if (ret) {
3343 _eglError(EGL_BAD_ACCESS, "eglCreateSyncKHR");
3344 free(dri2_sync);
3345 return NULL;
3346 }
3347
3348 /* initial status of reusable sync must be "unsignaled" */
3349 dri2_sync->base.SyncStatus = EGL_UNSIGNALED_KHR;
3350 break;
3351
3352 case EGL_SYNC_NATIVE_FENCE_ANDROID:
3353 if (dri2_dpy->fence->create_fence_fd) {
3354 dri2_sync->fence = dri2_dpy->fence->create_fence_fd(
3355 dri2_ctx->dri_context,
3356 dri2_sync->base.SyncFd);
3357 }
3358 if (!dri2_sync->fence) {
3359 _eglError(EGL_BAD_ATTRIBUTE, "eglCreateSyncKHR");
3360 free(dri2_sync);
3361 return NULL;
3362 }
3363 break;
3364 }
3365
3366 p_atomic_set(&dri2_sync->refcount, 1);
3367 return &dri2_sync->base;
3368 }
3369
3370 static EGLBoolean
3371 dri2_destroy_sync(_EGLDriver *drv, _EGLDisplay *disp, _EGLSync *sync)
3372 {
3373 struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
3374 struct dri2_egl_sync *dri2_sync = dri2_egl_sync(sync);
3375 EGLint ret = EGL_TRUE;
3376 EGLint err;
3377
3378 /* if type of sync is EGL_SYNC_REUSABLE_KHR and it is not signaled yet,
3379 * then unlock all threads possibly blocked by the reusable sync before
3380 * destroying it.
3381 */
3382 if (dri2_sync->base.Type == EGL_SYNC_REUSABLE_KHR &&
3383 dri2_sync->base.SyncStatus == EGL_UNSIGNALED_KHR) {
3384 dri2_sync->base.SyncStatus = EGL_SIGNALED_KHR;
3385 /* unblock all threads currently blocked by sync */
3386 err = cnd_broadcast(&dri2_sync->cond);
3387
3388 if (err) {
3389 _eglError(EGL_BAD_ACCESS, "eglDestroySyncKHR");
3390 ret = EGL_FALSE;
3391 }
3392 }
3393
3394 dri2_egl_unref_sync(dri2_dpy, dri2_sync);
3395
3396 return ret;
3397 }
3398
3399 static EGLint
3400 dri2_dup_native_fence_fd(_EGLDriver *drv, _EGLDisplay *disp, _EGLSync *sync)
3401 {
3402 struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
3403 struct dri2_egl_sync *dri2_sync = dri2_egl_sync(sync);
3404
3405 assert(sync->Type == EGL_SYNC_NATIVE_FENCE_ANDROID);
3406
3407 if (sync->SyncFd == EGL_NO_NATIVE_FENCE_FD_ANDROID) {
3408 /* try to retrieve the actual native fence fd.. if rendering is
3409 * not flushed this will just return -1, aka NO_NATIVE_FENCE_FD:
3410 */
3411 sync->SyncFd = dri2_dpy->fence->get_fence_fd(dri2_dpy->dri_screen,
3412 dri2_sync->fence);
3413 }
3414
3415 if (sync->SyncFd == EGL_NO_NATIVE_FENCE_FD_ANDROID) {
3416 /* if native fence fd still not created, return an error: */
3417 _eglError(EGL_BAD_PARAMETER, "eglDupNativeFenceFDANDROID");
3418 return EGL_NO_NATIVE_FENCE_FD_ANDROID;
3419 }
3420
3421 return dup(sync->SyncFd);
3422 }
3423
3424 static void
3425 dri2_set_blob_cache_funcs(_EGLDriver *drv, _EGLDisplay *disp,
3426 EGLSetBlobFuncANDROID set,
3427 EGLGetBlobFuncANDROID get)
3428 {
3429 struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
3430 dri2_dpy->blob->set_cache_funcs(dri2_dpy->dri_screen,
3431 disp->BlobCacheSet,
3432 disp->BlobCacheGet);
3433 }
3434
3435 static EGLint
3436 dri2_client_wait_sync(_EGLDriver *drv, _EGLDisplay *disp, _EGLSync *sync,
3437 EGLint flags, EGLTime timeout)
3438 {
3439 _EGLContext *ctx = _eglGetCurrentContext();
3440 struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
3441 struct dri2_egl_context *dri2_ctx = dri2_egl_context(ctx);
3442 struct dri2_egl_sync *dri2_sync = dri2_egl_sync(sync);
3443 unsigned wait_flags = 0;
3444
3445 EGLint ret = EGL_CONDITION_SATISFIED_KHR;
3446
3447 /* The EGL_KHR_fence_sync spec states:
3448 *
3449 * "If no context is current for the bound API,
3450 * the EGL_SYNC_FLUSH_COMMANDS_BIT_KHR bit is ignored.
3451 */
3452 if (dri2_ctx && flags & EGL_SYNC_FLUSH_COMMANDS_BIT_KHR)
3453 wait_flags |= __DRI2_FENCE_FLAG_FLUSH_COMMANDS;
3454
3455 /* the sync object should take a reference while waiting */
3456 dri2_egl_ref_sync(dri2_sync);
3457
3458 switch (sync->Type) {
3459 case EGL_SYNC_FENCE_KHR:
3460 case EGL_SYNC_NATIVE_FENCE_ANDROID:
3461 case EGL_SYNC_CL_EVENT_KHR:
3462 if (dri2_dpy->fence->client_wait_sync(dri2_ctx ? dri2_ctx->dri_context : NULL,
3463 dri2_sync->fence, wait_flags,
3464 timeout))
3465 dri2_sync->base.SyncStatus = EGL_SIGNALED_KHR;
3466 else
3467 ret = EGL_TIMEOUT_EXPIRED_KHR;
3468 break;
3469
3470 case EGL_SYNC_REUSABLE_KHR:
3471 if (dri2_ctx && dri2_sync->base.SyncStatus == EGL_UNSIGNALED_KHR &&
3472 (flags & EGL_SYNC_FLUSH_COMMANDS_BIT_KHR)) {
3473 /* flush context if EGL_SYNC_FLUSH_COMMANDS_BIT_KHR is set */
3474 dri2_gl_flush();
3475 }
3476
3477 /* if timeout is EGL_FOREVER_KHR, it should wait without any timeout.*/
3478 if (timeout == EGL_FOREVER_KHR) {
3479 mtx_lock(&dri2_sync->mutex);
3480 cnd_wait(&dri2_sync->cond, &dri2_sync->mutex);
3481 mtx_unlock(&dri2_sync->mutex);
3482 } else {
3483 /* if reusable sync has not been yet signaled */
3484 if (dri2_sync->base.SyncStatus != EGL_SIGNALED_KHR) {
3485 /* timespecs for cnd_timedwait */
3486 struct timespec current;
3487 struct timespec expire;
3488
3489 /* We override the clock to monotonic when creating the condition
3490 * variable. */
3491 clock_gettime(CLOCK_MONOTONIC, &current);
3492
3493 /* calculating when to expire */
3494 expire.tv_nsec = timeout % 1000000000L;
3495 expire.tv_sec = timeout / 1000000000L;
3496
3497 expire.tv_nsec += current.tv_nsec;
3498 expire.tv_sec += current.tv_sec;
3499
3500 /* expire.nsec now is a number between 0 and 1999999998 */
3501 if (expire.tv_nsec > 999999999L) {
3502 expire.tv_sec++;
3503 expire.tv_nsec -= 1000000000L;
3504 }
3505
3506 mtx_lock(&dri2_sync->mutex);
3507 ret = cnd_timedwait(&dri2_sync->cond, &dri2_sync->mutex, &expire);
3508 mtx_unlock(&dri2_sync->mutex);
3509
3510 if (ret == thrd_busy) {
3511 if (dri2_sync->base.SyncStatus == EGL_UNSIGNALED_KHR) {
3512 ret = EGL_TIMEOUT_EXPIRED_KHR;
3513 } else {
3514 _eglError(EGL_BAD_ACCESS, "eglClientWaitSyncKHR");
3515 ret = EGL_FALSE;
3516 }
3517 }
3518 }
3519 }
3520 break;
3521 }
3522 dri2_egl_unref_sync(dri2_dpy, dri2_sync);
3523
3524 return ret;
3525 }
3526
3527 static EGLBoolean
3528 dri2_signal_sync(_EGLDriver *drv, _EGLDisplay *disp, _EGLSync *sync,
3529 EGLenum mode)
3530 {
3531 struct dri2_egl_sync *dri2_sync = dri2_egl_sync(sync);
3532 EGLint ret;
3533
3534 if (sync->Type != EGL_SYNC_REUSABLE_KHR)
3535 return _eglError(EGL_BAD_MATCH, "eglSignalSyncKHR");
3536
3537 if (mode != EGL_SIGNALED_KHR && mode != EGL_UNSIGNALED_KHR)
3538 return _eglError(EGL_BAD_ATTRIBUTE, "eglSignalSyncKHR");
3539
3540 dri2_sync->base.SyncStatus = mode;
3541
3542 if (mode == EGL_SIGNALED_KHR) {
3543 ret = cnd_broadcast(&dri2_sync->cond);
3544
3545 /* fail to broadcast */
3546 if (ret)
3547 return _eglError(EGL_BAD_ACCESS, "eglSignalSyncKHR");
3548 }
3549
3550 return EGL_TRUE;
3551 }
3552
3553 static EGLint
3554 dri2_server_wait_sync(_EGLDriver *drv, _EGLDisplay *disp, _EGLSync *sync)
3555 {
3556 _EGLContext *ctx = _eglGetCurrentContext();
3557 struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
3558 struct dri2_egl_context *dri2_ctx = dri2_egl_context(ctx);
3559 struct dri2_egl_sync *dri2_sync = dri2_egl_sync(sync);
3560
3561 dri2_dpy->fence->server_wait_sync(dri2_ctx->dri_context,
3562 dri2_sync->fence, 0);
3563 return EGL_TRUE;
3564 }
3565
3566 static int
3567 dri2_interop_query_device_info(_EGLDisplay *disp, _EGLContext *ctx,
3568 struct mesa_glinterop_device_info *out)
3569 {
3570 struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
3571 struct dri2_egl_context *dri2_ctx = dri2_egl_context(ctx);
3572
3573 if (!dri2_dpy->interop)
3574 return MESA_GLINTEROP_UNSUPPORTED;
3575
3576 return dri2_dpy->interop->query_device_info(dri2_ctx->dri_context, out);
3577 }
3578
3579 static int
3580 dri2_interop_export_object(_EGLDisplay *disp, _EGLContext *ctx,
3581 struct mesa_glinterop_export_in *in,
3582 struct mesa_glinterop_export_out *out)
3583 {
3584 struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
3585 struct dri2_egl_context *dri2_ctx = dri2_egl_context(ctx);
3586
3587 if (!dri2_dpy->interop)
3588 return MESA_GLINTEROP_UNSUPPORTED;
3589
3590 return dri2_dpy->interop->export_object(dri2_ctx->dri_context, in, out);
3591 }
3592
3593 /**
3594 * This is the main entrypoint into the driver, called by libEGL.
3595 * Gets an _EGLDriver object and init its dispatch table.
3596 */
3597 void
3598 _eglInitDriver(_EGLDriver *dri2_drv)
3599 {
3600 dri2_drv->API.Initialize = dri2_initialize;
3601 dri2_drv->API.Terminate = dri2_terminate;
3602 dri2_drv->API.CreateContext = dri2_create_context;
3603 dri2_drv->API.DestroyContext = dri2_destroy_context;
3604 dri2_drv->API.MakeCurrent = dri2_make_current;
3605 dri2_drv->API.CreateWindowSurface = dri2_create_window_surface;
3606 dri2_drv->API.CreatePixmapSurface = dri2_create_pixmap_surface;
3607 dri2_drv->API.CreatePbufferSurface = dri2_create_pbuffer_surface;
3608 dri2_drv->API.DestroySurface = dri2_destroy_surface;
3609 dri2_drv->API.GetProcAddress = dri2_get_proc_address;
3610 dri2_drv->API.WaitClient = dri2_wait_client;
3611 dri2_drv->API.WaitNative = dri2_wait_native;
3612 dri2_drv->API.BindTexImage = dri2_bind_tex_image;
3613 dri2_drv->API.ReleaseTexImage = dri2_release_tex_image;
3614 dri2_drv->API.SwapInterval = dri2_swap_interval;
3615 dri2_drv->API.SwapBuffers = dri2_swap_buffers;
3616 dri2_drv->API.SwapBuffersWithDamageEXT = dri2_swap_buffers_with_damage;
3617 dri2_drv->API.SwapBuffersRegionNOK = dri2_swap_buffers_region;
3618 dri2_drv->API.SetDamageRegion = dri2_set_damage_region;
3619 dri2_drv->API.PostSubBufferNV = dri2_post_sub_buffer;
3620 dri2_drv->API.CopyBuffers = dri2_copy_buffers,
3621 dri2_drv->API.QueryBufferAge = dri2_query_buffer_age;
3622 dri2_drv->API.CreateImageKHR = dri2_create_image;
3623 dri2_drv->API.DestroyImageKHR = dri2_destroy_image_khr;
3624 dri2_drv->API.CreateWaylandBufferFromImageWL = dri2_create_wayland_buffer_from_image;
3625 dri2_drv->API.QuerySurface = dri2_query_surface;
3626 dri2_drv->API.QueryDriverName = dri2_query_driver_name;
3627 dri2_drv->API.QueryDriverConfig = dri2_query_driver_config;
3628 #ifdef HAVE_LIBDRM
3629 dri2_drv->API.CreateDRMImageMESA = dri2_create_drm_image_mesa;
3630 dri2_drv->API.ExportDRMImageMESA = dri2_export_drm_image_mesa;
3631 dri2_drv->API.ExportDMABUFImageQueryMESA = dri2_export_dma_buf_image_query_mesa;
3632 dri2_drv->API.ExportDMABUFImageMESA = dri2_export_dma_buf_image_mesa;
3633 dri2_drv->API.QueryDmaBufFormatsEXT = dri2_query_dma_buf_formats;
3634 dri2_drv->API.QueryDmaBufModifiersEXT = dri2_query_dma_buf_modifiers;
3635 #endif
3636 #ifdef HAVE_WAYLAND_PLATFORM
3637 dri2_drv->API.BindWaylandDisplayWL = dri2_bind_wayland_display_wl;
3638 dri2_drv->API.UnbindWaylandDisplayWL = dri2_unbind_wayland_display_wl;
3639 dri2_drv->API.QueryWaylandBufferWL = dri2_query_wayland_buffer_wl;
3640 #endif
3641 dri2_drv->API.GetSyncValuesCHROMIUM = dri2_get_sync_values_chromium;
3642 dri2_drv->API.CreateSyncKHR = dri2_create_sync;
3643 dri2_drv->API.ClientWaitSyncKHR = dri2_client_wait_sync;
3644 dri2_drv->API.SignalSyncKHR = dri2_signal_sync;
3645 dri2_drv->API.WaitSyncKHR = dri2_server_wait_sync;
3646 dri2_drv->API.DestroySyncKHR = dri2_destroy_sync;
3647 dri2_drv->API.GLInteropQueryDeviceInfo = dri2_interop_query_device_info;
3648 dri2_drv->API.GLInteropExportObject = dri2_interop_export_object;
3649 dri2_drv->API.DupNativeFenceFDANDROID = dri2_dup_native_fence_fd;
3650 dri2_drv->API.SetBlobCacheFuncsANDROID = dri2_set_blob_cache_funcs;
3651 }