src/egl/drivers/dri2/egl_dri2.c

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