src/egl/drivers/dri2/platform_android.c

   1 /*
   2  * Mesa 3-D graphics library
   3  *
   4  * Copyright (C) 2010-2011 Chia-I Wu <olvaffe@gmail.com>
   5  * Copyright (C) 2010-2011 LunarG Inc.
   6  *
   7  * Based on platform_x11, which has
   8  *
   9  * Copyright © 2011 Intel Corporation
  10  *
  11  * Permission is hereby granted, free of charge, to any person obtaining a
  12  * copy of this software and associated documentation files (the "Software"),
  13  * to deal in the Software without restriction, including without limitation
  14  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
  15  * and/or sell copies of the Software, and to permit persons to whom the
  16  * Software is furnished to do so, subject to the following conditions:
  17  *
  18  * The above copyright notice and this permission notice shall be included
  19  * in all copies or substantial portions of the Software.
  20  *
  21  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  22  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  23  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
  24  * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
  25  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
  26  * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
  27  * DEALINGS IN THE SOFTWARE.
  28  */
  29
  30 #include <errno.h>
  31 #include <dlfcn.h>
  32
  33 #if ANDROID_VERSION >= 0x402
  34 #include <sync/sync.h>
  35 #endif
  36
  37 #include "loader.h"
  38 #include "egl_dri2.h"
  39 #include "egl_dri2_fallbacks.h"
  40 #include "gralloc_drm.h"
  41
  42 static int
  43 get_format_bpp(int native)
  44 {
  45    int bpp;
  46
  47    switch (native) {
  48    case HAL_PIXEL_FORMAT_RGBA_8888:
  49    case HAL_PIXEL_FORMAT_RGBX_8888:
  50    case HAL_PIXEL_FORMAT_BGRA_8888:
  51       bpp = 4;
  52       break;
  53    case HAL_PIXEL_FORMAT_RGB_888:
  54       bpp = 3;
  55       break;
  56    case HAL_PIXEL_FORMAT_RGB_565:
  57       bpp = 2;
  58       break;
  59    default:
  60       bpp = 0;
  61       break;
  62    }
  63
  64    return bpp;
  65 }
  66
  67 static int
  68 get_native_buffer_name(struct ANativeWindowBuffer *buf)
  69 {
  70    return gralloc_drm_get_gem_handle(buf->handle);
  71 }
  72
  73 static EGLBoolean
  74 droid_window_dequeue_buffer(struct dri2_egl_surface *dri2_surf)
  75 {
  76 #if ANDROID_VERSION >= 0x0402
  77    int fence_fd;
  78
  79    if (dri2_surf->window->dequeueBuffer(dri2_surf->window, &dri2_surf->buffer,
  80                                         &fence_fd))
  81       return EGL_FALSE;
  82
  83    /* If access to the buffer is controlled by a sync fence, then block on the
  84     * fence.
  85     *
  86     * It may be more performant to postpone blocking until there is an
  87     * immediate need to write to the buffer. But doing so would require adding
  88     * hooks to the DRI2 loader.
  89     *
  90     * From the ANativeWindow::dequeueBuffer documentation:
  91     *
  92     *    The libsync fence file descriptor returned in the int pointed to by
  93     *    the fenceFd argument will refer to the fence that must signal
  94     *    before the dequeued buffer may be written to.  A value of -1
  95     *    indicates that the caller may access the buffer immediately without
  96     *    waiting on a fence.  If a valid file descriptor is returned (i.e.
  97     *    any value except -1) then the caller is responsible for closing the
  98     *    file descriptor.
  99     */
 100     if (fence_fd >= 0) {
 101        /* From the SYNC_IOC_WAIT documentation in <linux/sync.h>:
 102         *
 103         *    Waits indefinitely if timeout < 0.
 104         */
 105         int timeout = -1;
 106         sync_wait(fence_fd, timeout);
 107         close(fence_fd);
 108    }
 109
 110    dri2_surf->buffer->common.incRef(&dri2_surf->buffer->common);
 111 #else
 112    if (dri2_surf->window->dequeueBuffer(dri2_surf->window, &dri2_surf->buffer))
 113       return EGL_FALSE;
 114
 115    dri2_surf->buffer->common.incRef(&dri2_surf->buffer->common);
 116    dri2_surf->window->lockBuffer(dri2_surf->window, dri2_surf->buffer);
 117 #endif
 118
 119    return EGL_TRUE;
 120 }
 121
 122 static EGLBoolean
 123 droid_window_enqueue_buffer(struct dri2_egl_surface *dri2_surf)
 124 {
 125 #if ANDROID_VERSION >= 0x0402
 126    /* Queue the buffer without a sync fence. This informs the ANativeWindow
 127     * that it may access the buffer immediately.
 128     *
 129     * From ANativeWindow::dequeueBuffer:
 130     *
 131     *    The fenceFd argument specifies a libsync fence file descriptor for
 132     *    a fence that must signal before the buffer can be accessed.  If
 133     *    the buffer can be accessed immediately then a value of -1 should
 134     *    be used.  The caller must not use the file descriptor after it
 135     *    is passed to queueBuffer, and the ANativeWindow implementation
 136     *    is responsible for closing it.
 137     */
 138    int fence_fd = -1;
 139    dri2_surf->window->queueBuffer(dri2_surf->window, dri2_surf->buffer,
 140                                   fence_fd);
 141 #else
 142    dri2_surf->window->queueBuffer(dri2_surf->window, dri2_surf->buffer);
 143 #endif
 144
 145    dri2_surf->buffer->common.decRef(&dri2_surf->buffer->common);
 146    dri2_surf->buffer = NULL;
 147
 148    return EGL_TRUE;
 149 }
 150
 151 static void
 152 droid_window_cancel_buffer(struct dri2_egl_surface *dri2_surf)
 153 {
 154    /* no cancel buffer? */
 155    droid_window_enqueue_buffer(dri2_surf);
 156 }
 157
 158 static __DRIbuffer *
 159 droid_alloc_local_buffer(struct dri2_egl_surface *dri2_surf,
 160                          unsigned int att, unsigned int format)
 161 {
 162    struct dri2_egl_display *dri2_dpy =
 163       dri2_egl_display(dri2_surf->base.Resource.Display);
 164
 165    if (att >= ARRAY_SIZE(dri2_surf->local_buffers))
 166       return NULL;
 167
 168    if (!dri2_surf->local_buffers[att]) {
 169       dri2_surf->local_buffers[att] =
 170          dri2_dpy->dri2->allocateBuffer(dri2_dpy->dri_screen, att, format,
 171                dri2_surf->base.Width, dri2_surf->base.Height);
 172    }
 173
 174    return dri2_surf->local_buffers[att];
 175 }
 176
 177 static void
 178 droid_free_local_buffers(struct dri2_egl_surface *dri2_surf)
 179 {
 180    struct dri2_egl_display *dri2_dpy =
 181       dri2_egl_display(dri2_surf->base.Resource.Display);
 182    int i;
 183
 184    for (i = 0; i < ARRAY_SIZE(dri2_surf->local_buffers); i++) {
 185       if (dri2_surf->local_buffers[i]) {
 186          dri2_dpy->dri2->releaseBuffer(dri2_dpy->dri_screen,
 187                dri2_surf->local_buffers[i]);
 188          dri2_surf->local_buffers[i] = NULL;
 189       }
 190    }
 191 }
 192
 193 static _EGLSurface *
 194 droid_create_surface(_EGLDriver *drv, _EGLDisplay *disp, EGLint type,
 195                     _EGLConfig *conf, void *native_window,
 196                     const EGLint *attrib_list)
 197 {
 198    struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
 199    struct dri2_egl_config *dri2_conf = dri2_egl_config(conf);
 200    struct dri2_egl_surface *dri2_surf;
 201    struct ANativeWindow *window = native_window;
 202
 203    dri2_surf = calloc(1, sizeof *dri2_surf);
 204    if (!dri2_surf) {
 205       _eglError(EGL_BAD_ALLOC, "droid_create_surface");
 206       return NULL;
 207    }
 208
 209    if (!_eglInitSurface(&dri2_surf->base, disp, type, conf, attrib_list))
 210       goto cleanup_surface;
 211
 212    if (type == EGL_WINDOW_BIT) {
 213       int format;
 214
 215       if (!window || window->common.magic != ANDROID_NATIVE_WINDOW_MAGIC) {
 216          _eglError(EGL_BAD_NATIVE_WINDOW, "droid_create_surface");
 217          goto cleanup_surface;
 218       }
 219       if (window->query(window, NATIVE_WINDOW_FORMAT, &format)) {
 220          _eglError(EGL_BAD_NATIVE_WINDOW, "droid_create_surface");
 221          goto cleanup_surface;
 222       }
 223
 224       if (format != dri2_conf->base.NativeVisualID) {
 225          _eglLog(_EGL_WARNING, "Native format mismatch: 0x%x != 0x%x",
 226                format, dri2_conf->base.NativeVisualID);
 227       }
 228
 229       window->query(window, NATIVE_WINDOW_WIDTH, &dri2_surf->base.Width);
 230       window->query(window, NATIVE_WINDOW_HEIGHT, &dri2_surf->base.Height);
 231    }
 232
 233    dri2_surf->dri_drawable =
 234       (*dri2_dpy->dri2->createNewDrawable)(dri2_dpy->dri_screen,
 235                                            dri2_conf->dri_double_config,
 236                                            dri2_surf);
 237    if (dri2_surf->dri_drawable == NULL) {
 238       _eglError(EGL_BAD_ALLOC, "dri2->createNewDrawable");
 239       goto cleanup_surface;
 240    }
 241
 242    if (window) {
 243       window->common.incRef(&window->common);
 244       dri2_surf->window = window;
 245    }
 246
 247    return &dri2_surf->base;
 248
 249 cleanup_surface:
 250    free(dri2_surf);
 251
 252    return NULL;
 253 }
 254
 255 static _EGLSurface *
 256 droid_create_window_surface(_EGLDriver *drv, _EGLDisplay *disp,
 257                             _EGLConfig *conf, void *native_window,
 258                             const EGLint *attrib_list)
 259 {
 260    return droid_create_surface(drv, disp, EGL_WINDOW_BIT, conf,
 261                                native_window, attrib_list);
 262 }
 263
 264 static _EGLSurface *
 265 droid_create_pbuffer_surface(_EGLDriver *drv, _EGLDisplay *disp,
 266                             _EGLConfig *conf, const EGLint *attrib_list)
 267 {
 268    return droid_create_surface(drv, disp, EGL_PBUFFER_BIT, conf,
 269                               NULL, attrib_list);
 270 }
 271
 272 static EGLBoolean
 273 droid_destroy_surface(_EGLDriver *drv, _EGLDisplay *disp, _EGLSurface *surf)
 274 {
 275    struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
 276    struct dri2_egl_surface *dri2_surf = dri2_egl_surface(surf);
 277
 278    if (!_eglPutSurface(surf))
 279       return EGL_TRUE;
 280
 281    droid_free_local_buffers(dri2_surf);
 282
 283    if (dri2_surf->base.Type == EGL_WINDOW_BIT) {
 284       if (dri2_surf->buffer)
 285          droid_window_cancel_buffer(dri2_surf);
 286
 287       dri2_surf->window->common.decRef(&dri2_surf->window->common);
 288    }
 289
 290    (*dri2_dpy->core->destroyDrawable)(dri2_surf->dri_drawable);
 291
 292    free(dri2_surf);
 293
 294    return EGL_TRUE;
 295 }
 296
 297 static EGLBoolean
 298 droid_swap_buffers(_EGLDriver *drv, _EGLDisplay *disp, _EGLSurface *draw)
 299 {
 300    struct dri2_egl_driver *dri2_drv = dri2_egl_driver(drv);
 301    struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
 302    struct dri2_egl_surface *dri2_surf = dri2_egl_surface(draw);
 303    _EGLContext *ctx;
 304
 305    if (dri2_surf->base.Type != EGL_WINDOW_BIT)
 306       return EGL_TRUE;
 307
 308    if (dri2_drv->glFlush) {
 309       ctx = _eglGetCurrentContext();
 310       if (ctx && ctx->DrawSurface == &dri2_surf->base)
 311          dri2_drv->glFlush();
 312    }
 313
 314    (*dri2_dpy->flush->flush)(dri2_surf->dri_drawable);
 315
 316    if (dri2_surf->buffer)
 317       droid_window_enqueue_buffer(dri2_surf);
 318
 319    (*dri2_dpy->flush->invalidate)(dri2_surf->dri_drawable);
 320
 321    return EGL_TRUE;
 322 }
 323
 324 static _EGLImage *
 325 dri2_create_image_android_native_buffer(_EGLDisplay *disp, _EGLContext *ctx,
 326                                         struct ANativeWindowBuffer *buf)
 327 {
 328    struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
 329    struct dri2_egl_image *dri2_img;
 330    int name;
 331    EGLint format;
 332
 333    if (ctx != NULL) {
 334       /* From the EGL_ANDROID_image_native_buffer spec:
 335        *
 336        *     * If <target> is EGL_NATIVE_BUFFER_ANDROID and <ctx> is not
 337        *       EGL_NO_CONTEXT, the error EGL_BAD_CONTEXT is generated.
 338        */
 339       _eglError(EGL_BAD_CONTEXT, "eglCreateEGLImageKHR: for "
 340                 "EGL_NATIVE_BUFFER_ANDROID, the context must be "
 341                 "EGL_NO_CONTEXT");
 342       return NULL;
 343    }
 344
 345    if (!buf || buf->common.magic != ANDROID_NATIVE_BUFFER_MAGIC ||
 346        buf->common.version != sizeof(*buf)) {
 347       _eglError(EGL_BAD_PARAMETER, "eglCreateEGLImageKHR");
 348       return NULL;
 349    }
 350
 351    name = get_native_buffer_name(buf);
 352    if (!name) {
 353       _eglError(EGL_BAD_PARAMETER, "eglCreateEGLImageKHR");
 354       return NULL;
 355    }
 356
 357    /* see the table in droid_add_configs_for_visuals */
 358    switch (buf->format) {
 359    case HAL_PIXEL_FORMAT_BGRA_8888:
 360       format = __DRI_IMAGE_FORMAT_ARGB8888;
 361       break;
 362    case HAL_PIXEL_FORMAT_RGB_565:
 363       format = __DRI_IMAGE_FORMAT_RGB565;
 364       break;
 365    case HAL_PIXEL_FORMAT_RGBA_8888:
 366       format = __DRI_IMAGE_FORMAT_ABGR8888;
 367       break;
 368    case HAL_PIXEL_FORMAT_RGBX_8888:
 369       format = __DRI_IMAGE_FORMAT_XBGR8888;
 370       break;
 371    case HAL_PIXEL_FORMAT_RGB_888:
 372       /* unsupported */
 373    default:
 374       _eglLog(_EGL_WARNING, "unsupported native buffer format 0x%x", buf->format);
 375       return NULL;
 376       break;
 377    }
 378
 379    dri2_img = calloc(1, sizeof(*dri2_img));
 380    if (!dri2_img) {
 381       _eglError(EGL_BAD_ALLOC, "droid_create_image_mesa_drm");
 382       return NULL;
 383    }
 384
 385    if (!_eglInitImage(&dri2_img->base, disp)) {
 386       free(dri2_img);
 387       return NULL;
 388    }
 389
 390    dri2_img->dri_image =
 391       dri2_dpy->image->createImageFromName(dri2_dpy->dri_screen,
 392                                            buf->width,
 393                                            buf->height,
 394                                            format,
 395                                            name,
 396                                            buf->stride,
 397                                            dri2_img);
 398    if (!dri2_img->dri_image) {
 399       free(dri2_img);
 400       _eglError(EGL_BAD_ALLOC, "droid_create_image_mesa_drm");
 401       return NULL;
 402    }
 403
 404    return &dri2_img->base;
 405 }
 406
 407 static _EGLImage *
 408 droid_create_image_khr(_EGLDriver *drv, _EGLDisplay *disp,
 409                        _EGLContext *ctx, EGLenum target,
 410                        EGLClientBuffer buffer, const EGLint *attr_list)
 411 {
 412    switch (target) {
 413    case EGL_NATIVE_BUFFER_ANDROID:
 414       return dri2_create_image_android_native_buffer(disp, ctx,
 415             (struct ANativeWindowBuffer *) buffer);
 416    default:
 417       return dri2_create_image_khr(drv, disp, ctx, target, buffer, attr_list);
 418    }
 419 }
 420
 421 static void
 422 droid_flush_front_buffer(__DRIdrawable * driDrawable, void *loaderPrivate)
 423 {
 424 }
 425
 426 static int
 427 droid_get_buffers_parse_attachments(struct dri2_egl_surface *dri2_surf,
 428                                     unsigned int *attachments, int count)
 429 {
 430    int num_buffers = 0, i;
 431
 432    /* fill dri2_surf->buffers */
 433    for (i = 0; i < count * 2; i += 2) {
 434       __DRIbuffer *buf, *local;
 435
 436       assert(num_buffers < ARRAY_SIZE(dri2_surf->buffers));
 437       buf = &dri2_surf->buffers[num_buffers];
 438
 439       switch (attachments[i]) {
 440       case __DRI_BUFFER_BACK_LEFT:
 441          if (dri2_surf->base.Type == EGL_WINDOW_BIT) {
 442             buf->attachment = attachments[i];
 443             buf->name = get_native_buffer_name(dri2_surf->buffer);
 444             buf->cpp = get_format_bpp(dri2_surf->buffer->format);
 445             buf->pitch = dri2_surf->buffer->stride * buf->cpp;
 446             buf->flags = 0;
 447
 448             if (buf->name)
 449                num_buffers++;
 450
 451             break;
 452          }
 453          /* fall through for pbuffers */
 454       case __DRI_BUFFER_DEPTH:
 455       case __DRI_BUFFER_STENCIL:
 456       case __DRI_BUFFER_ACCUM:
 457       case __DRI_BUFFER_DEPTH_STENCIL:
 458       case __DRI_BUFFER_HIZ:
 459          local = droid_alloc_local_buffer(dri2_surf,
 460                attachments[i], attachments[i + 1]);
 461
 462          if (local) {
 463             *buf = *local;
 464             num_buffers++;
 465          }
 466          break;
 467       case __DRI_BUFFER_FRONT_LEFT:
 468       case __DRI_BUFFER_FRONT_RIGHT:
 469       case __DRI_BUFFER_FAKE_FRONT_LEFT:
 470       case __DRI_BUFFER_FAKE_FRONT_RIGHT:
 471       case __DRI_BUFFER_BACK_RIGHT:
 472       default:
 473          /* no front or right buffers */
 474          break;
 475       }
 476    }
 477
 478    return num_buffers;
 479 }
 480
 481 static __DRIbuffer *
 482 droid_get_buffers_with_format(__DRIdrawable * driDrawable,
 483                              int *width, int *height,
 484                              unsigned int *attachments, int count,
 485                              int *out_count, void *loaderPrivate)
 486 {
 487    struct dri2_egl_surface *dri2_surf = loaderPrivate;
 488    struct dri2_egl_display *dri2_dpy =
 489       dri2_egl_display(dri2_surf->base.Resource.Display);
 490    int i;
 491
 492    if (dri2_surf->base.Type == EGL_WINDOW_BIT) {
 493       /* try to dequeue the next back buffer */
 494       if (!dri2_surf->buffer && !droid_window_dequeue_buffer(dri2_surf))
 495          return NULL;
 496
 497       /* free outdated buffers and update the surface size */
 498       if (dri2_surf->base.Width != dri2_surf->buffer->width ||
 499           dri2_surf->base.Height != dri2_surf->buffer->height) {
 500          droid_free_local_buffers(dri2_surf);
 501          dri2_surf->base.Width = dri2_surf->buffer->width;
 502          dri2_surf->base.Height = dri2_surf->buffer->height;
 503       }
 504    }
 505
 506    dri2_surf->buffer_count =
 507       droid_get_buffers_parse_attachments(dri2_surf, attachments, count);
 508
 509    if (width)
 510       *width = dri2_surf->base.Width;
 511    if (height)
 512       *height = dri2_surf->base.Height;
 513
 514    *out_count = dri2_surf->buffer_count;;
 515
 516    return dri2_surf->buffers;
 517 }
 518
 519 static EGLBoolean
 520 droid_add_configs_for_visuals(_EGLDriver *drv, _EGLDisplay *dpy)
 521 {
 522    struct dri2_egl_display *dri2_dpy = dri2_egl_display(dpy);
 523    const struct {
 524       int format;
 525       unsigned int rgba_masks[4];
 526    } visuals[] = {
 527       { HAL_PIXEL_FORMAT_RGBA_8888, { 0xff, 0xff00, 0xff0000, 0xff000000 } },
 528       { HAL_PIXEL_FORMAT_RGBX_8888, { 0xff, 0xff00, 0xff0000, 0x0 } },
 529       { HAL_PIXEL_FORMAT_RGB_888,   { 0xff, 0xff00, 0xff0000, 0x0 } },
 530       { HAL_PIXEL_FORMAT_RGB_565,   { 0xf800, 0x7e0, 0x1f, 0x0 } },
 531       { HAL_PIXEL_FORMAT_BGRA_8888, { 0xff0000, 0xff00, 0xff, 0xff000000 } },
 532       { 0, 0, { 0, 0, 0, 0 } }
 533    };
 534    int count, i, j;
 535
 536    count = 0;
 537    for (i = 0; visuals[i].format; i++) {
 538       int format_count = 0;
 539
 540       for (j = 0; dri2_dpy->driver_configs[j]; j++) {
 541          const EGLint surface_type = EGL_WINDOW_BIT | EGL_PBUFFER_BIT;
 542          struct dri2_egl_config *dri2_conf;
 543          unsigned int double_buffered = 0;
 544
 545          dri2_dpy->core->getConfigAttrib(dri2_dpy->driver_configs[j],
 546             __DRI_ATTRIB_DOUBLE_BUFFER, &double_buffered);
 547
 548          /* support only double buffered configs */
 549          if (!double_buffered)
 550             continue;
 551
 552          dri2_conf = dri2_add_config(dpy, dri2_dpy->driver_configs[j],
 553                count + 1, surface_type, NULL, visuals[i].rgba_masks);
 554          if (dri2_conf) {
 555             dri2_conf->base.NativeVisualID = visuals[i].format;
 556             dri2_conf->base.NativeVisualType = visuals[i].format;
 557             count++;
 558             format_count++;
 559          }
 560       }
 561
 562       if (!format_count) {
 563          _eglLog(_EGL_DEBUG, "No DRI config supports native format 0x%x",
 564                visuals[i].format);
 565       }
 566    }
 567
 568    /* post-process configs */
 569    for (i = 0; i < dpy->Configs->Size; i++) {
 570       struct dri2_egl_config *dri2_conf = dri2_egl_config(dpy->Configs->Elements[i]);
 571
 572       /* there is no front buffer so no OpenGL */
 573       dri2_conf->base.RenderableType &= ~EGL_OPENGL_BIT;
 574       dri2_conf->base.Conformant &= ~EGL_OPENGL_BIT;
 575    }
 576
 577    return (count != 0);
 578 }
 579
 580 static int
 581 droid_open_device(void)
 582 {
 583    const hw_module_t *mod;
 584    int fd = -1, err;
 585
 586    err = hw_get_module(GRALLOC_HARDWARE_MODULE_ID, &mod);
 587    if (!err) {
 588       const gralloc_module_t *gr = (gralloc_module_t *) mod;
 589
 590       err = -EINVAL;
 591       if (gr->perform)
 592          err = gr->perform(gr, GRALLOC_MODULE_PERFORM_GET_DRM_FD, &fd);
 593    }
 594    if (err || fd < 0) {
 595       _eglLog(_EGL_WARNING, "fail to get drm fd");
 596       fd = -1;
 597    }
 598
 599    return (fd >= 0) ? dup(fd) : -1;
 600 }
 601
 602 /* support versions < JellyBean */
 603 #ifndef ALOGW
 604 #define ALOGW LOGW
 605 #endif
 606 #ifndef ALOGD
 607 #define ALOGD LOGD
 608 #endif
 609 #ifndef ALOGI
 610 #define ALOGI LOGI
 611 #endif
 612
 613 static void
 614 droid_log(EGLint level, const char *msg)
 615 {
 616    switch (level) {
 617    case _EGL_DEBUG:
 618       ALOGD("%s", msg);
 619       break;
 620    case _EGL_INFO:
 621       ALOGI("%s", msg);
 622       break;
 623    case _EGL_WARNING:
 624       ALOGW("%s", msg);
 625       break;
 626    case _EGL_FATAL:
 627       LOG_FATAL("%s", msg);
 628       break;
 629    default:
 630       break;
 631    }
 632 }
 633
 634 static struct dri2_egl_display_vtbl droid_display_vtbl = {
 635    .authenticate = NULL,
 636    .create_window_surface = droid_create_window_surface,
 637    .create_pixmap_surface = dri2_fallback_create_pixmap_surface,
 638    .create_pbuffer_surface = droid_create_pbuffer_surface,
 639    .destroy_surface = droid_destroy_surface,
 640    .create_image = droid_create_image_khr,
 641    .swap_interval = dri2_fallback_swap_interval,
 642    .swap_buffers = droid_swap_buffers,
 643    .swap_buffers_with_damage = dri2_fallback_swap_buffers_with_damage,
 644    .swap_buffers_region = dri2_fallback_swap_buffers_region,
 645    .post_sub_buffer = dri2_fallback_post_sub_buffer,
 646    .copy_buffers = dri2_fallback_copy_buffers,
 647    .query_buffer_age = dri2_fallback_query_buffer_age,
 648    .create_wayland_buffer_from_image = dri2_fallback_create_wayland_buffer_from_image,
 649    .get_sync_values = dri2_fallback_get_sync_values,
 650 };
 651
 652 EGLBoolean
 653 dri2_initialize_android(_EGLDriver *drv, _EGLDisplay *dpy)
 654 {
 655    struct dri2_egl_display *dri2_dpy;
 656    const char *err;
 657
 658    _eglSetLogProc(droid_log);
 659
 660    loader_set_logger(_eglLog);
 661
 662    dri2_dpy = calloc(1, sizeof(*dri2_dpy));
 663    if (!dri2_dpy)
 664       return _eglError(EGL_BAD_ALLOC, "eglInitialize");
 665
 666    dpy->DriverData = (void *) dri2_dpy;
 667
 668    dri2_dpy->fd = droid_open_device();
 669    if (dri2_dpy->fd < 0) {
 670       err = "DRI2: failed to open device";
 671       goto cleanup_display;
 672    }
 673
 674    dri2_dpy->driver_name = loader_get_driver_for_fd(dri2_dpy->fd, 0);
 675    if (dri2_dpy->driver_name == NULL) {
 676       err = "DRI2: failed to get driver name";
 677       goto cleanup_device;
 678    }
 679
 680    if (!dri2_load_driver(dpy)) {
 681       err = "DRI2: failed to load driver";
 682       goto cleanup_driver_name;
 683    }
 684
 685    dri2_dpy->dri2_loader_extension.base.name = __DRI_DRI2_LOADER;
 686    dri2_dpy->dri2_loader_extension.base.version = 3;
 687    dri2_dpy->dri2_loader_extension.getBuffers = NULL;
 688    dri2_dpy->dri2_loader_extension.flushFrontBuffer = droid_flush_front_buffer;
 689    dri2_dpy->dri2_loader_extension.getBuffersWithFormat =
 690       droid_get_buffers_with_format;
 691
 692    dri2_dpy->extensions[0] = &dri2_dpy->dri2_loader_extension.base;
 693    dri2_dpy->extensions[1] = &image_lookup_extension.base;
 694    dri2_dpy->extensions[2] = &use_invalidate.base;
 695    dri2_dpy->extensions[3] = NULL;
 696
 697    if (!dri2_create_screen(dpy)) {
 698       err = "DRI2: failed to create screen";
 699       goto cleanup_driver;
 700    }
 701
 702    if (!droid_add_configs_for_visuals(drv, dpy)) {
 703       err = "DRI2: failed to add configs";
 704       goto cleanup_screen;
 705    }
 706
 707    dpy->Extensions.ANDROID_image_native_buffer = EGL_TRUE;
 708    dpy->Extensions.KHR_image_base = EGL_TRUE;
 709
 710    /* we're supporting EGL 1.4 */
 711    dpy->VersionMajor = 1;
 712    dpy->VersionMinor = 4;
 713
 714    /* Fill vtbl last to prevent accidentally calling virtual function during
 715     * initialization.
 716     */
 717    dri2_dpy->vtbl = &droid_display_vtbl;
 718
 719    return EGL_TRUE;
 720
 721 cleanup_screen:
 722    dri2_dpy->core->destroyScreen(dri2_dpy->dri_screen);
 723 cleanup_driver:
 724    dlclose(dri2_dpy->driver);
 725 cleanup_driver_name:
 726    free(dri2_dpy->driver_name);
 727 cleanup_device:
 728    close(dri2_dpy->fd);
 729 cleanup_display:
 730    free(dri2_dpy);
 731
 732    return _eglError(EGL_NOT_INITIALIZED, err);
 733 }