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 "gralloc_drm.h"
  40
  41 static int
  42 get_format_bpp(int native)
  43 {
  44    int bpp;
  45
  46    switch (native) {
  47    case HAL_PIXEL_FORMAT_RGBA_8888:
  48    case HAL_PIXEL_FORMAT_RGBX_8888:
  49    case HAL_PIXEL_FORMAT_BGRA_8888:
  50       bpp = 4;
  51       break;
  52    case HAL_PIXEL_FORMAT_RGB_888:
  53       bpp = 3;
  54       break;
  55    case HAL_PIXEL_FORMAT_RGB_565:
  56    case HAL_PIXEL_FORMAT_RGBA_5551:
  57    case HAL_PIXEL_FORMAT_RGBA_4444:
  58       bpp = 2;
  59       break;
  60    default:
  61       bpp = 0;
  62       break;
  63    }
  64
  65    return bpp;
  66 }
  67
  68 static int
  69 get_native_buffer_name(struct ANativeWindowBuffer *buf)
  70 {
  71    return gralloc_drm_get_gem_handle(buf->handle);
  72 }
  73
  74 static EGLBoolean
  75 droid_window_dequeue_buffer(struct dri2_egl_surface *dri2_surf)
  76 {
  77 #if ANDROID_VERSION >= 0x0402
  78    int fence_fd;
  79
  80    if (dri2_surf->window->dequeueBuffer(dri2_surf->window, &dri2_surf->buffer,
  81                                         &fence_fd))
  82       return EGL_FALSE;
  83
  84    /* If access to the buffer is controlled by a sync fence, then block on the
  85     * fence.
  86     *
  87     * It may be more performant to postpone blocking until there is an
  88     * immediate need to write to the buffer. But doing so would require adding
  89     * hooks to the DRI2 loader.
  90     *
  91     * From the ANativeWindow::dequeueBuffer documentation:
  92     *
  93     *    The libsync fence file descriptor returned in the int pointed to by
  94     *    the fenceFd argument will refer to the fence that must signal
  95     *    before the dequeued buffer may be written to.  A value of -1
  96     *    indicates that the caller may access the buffer immediately without
  97     *    waiting on a fence.  If a valid file descriptor is returned (i.e.
  98     *    any value except -1) then the caller is responsible for closing the
  99     *    file descriptor.
 100     */
 101     if (fence_fd >= 0) {
 102        /* From the SYNC_IOC_WAIT documentation in <linux/sync.h>:
 103         *
 104         *    Waits indefinitely if timeout < 0.
 105         */
 106         int timeout = -1;
 107         sync_wait(fence_fd, timeout);
 108         close(fence_fd);
 109    }
 110
 111    dri2_surf->buffer->common.incRef(&dri2_surf->buffer->common);
 112 #else
 113    if (dri2_surf->window->dequeueBuffer(dri2_surf->window, &dri2_surf->buffer))
 114       return EGL_FALSE;
 115
 116    dri2_surf->buffer->common.incRef(&dri2_surf->buffer->common);
 117    dri2_surf->window->lockBuffer(dri2_surf->window, dri2_surf->buffer);
 118 #endif
 119
 120    return EGL_TRUE;
 121 }
 122
 123 static EGLBoolean
 124 droid_window_enqueue_buffer(struct dri2_egl_surface *dri2_surf)
 125 {
 126 #if ANDROID_VERSION >= 0x0402
 127    /* Queue the buffer without a sync fence. This informs the ANativeWindow
 128     * that it may access the buffer immediately.
 129     *
 130     * From ANativeWindow::dequeueBuffer:
 131     *
 132     *    The fenceFd argument specifies a libsync fence file descriptor for
 133     *    a fence that must signal before the buffer can be accessed.  If
 134     *    the buffer can be accessed immediately then a value of -1 should
 135     *    be used.  The caller must not use the file descriptor after it
 136     *    is passed to queueBuffer, and the ANativeWindow implementation
 137     *    is responsible for closing it.
 138     */
 139    int fence_fd = -1;
 140    dri2_surf->window->queueBuffer(dri2_surf->window, dri2_surf->buffer,
 141                                   fence_fd);
 142 #else
 143    dri2_surf->window->queueBuffer(dri2_surf->window, dri2_surf->buffer);
 144 #endif
 145
 146    dri2_surf->buffer->common.decRef(&dri2_surf->buffer->common);
 147    dri2_surf->buffer = NULL;
 148
 149    return EGL_TRUE;
 150 }
 151
 152 static void
 153 droid_window_cancel_buffer(struct dri2_egl_surface *dri2_surf)
 154 {
 155    /* no cancel buffer? */
 156    droid_window_enqueue_buffer(dri2_surf);
 157 }
 158
 159 static __DRIbuffer *
 160 droid_alloc_local_buffer(struct dri2_egl_surface *dri2_surf,
 161                          unsigned int att, unsigned int format)
 162 {
 163    struct dri2_egl_display *dri2_dpy =
 164       dri2_egl_display(dri2_surf->base.Resource.Display);
 165
 166    if (att >= ARRAY_SIZE(dri2_surf->local_buffers))
 167       return NULL;
 168
 169    if (!dri2_surf->local_buffers[att]) {
 170       dri2_surf->local_buffers[att] =
 171          dri2_dpy->dri2->allocateBuffer(dri2_dpy->dri_screen, att, format,
 172                dri2_surf->base.Width, dri2_surf->base.Height);
 173    }
 174
 175    return dri2_surf->local_buffers[att];
 176 }
 177
 178 static void
 179 droid_free_local_buffers(struct dri2_egl_surface *dri2_surf)
 180 {
 181    struct dri2_egl_display *dri2_dpy =
 182       dri2_egl_display(dri2_surf->base.Resource.Display);
 183    int i;
 184
 185    for (i = 0; i < ARRAY_SIZE(dri2_surf->local_buffers); i++) {
 186       if (dri2_surf->local_buffers[i]) {
 187          dri2_dpy->dri2->releaseBuffer(dri2_dpy->dri_screen,
 188                dri2_surf->local_buffers[i]);
 189          dri2_surf->local_buffers[i] = NULL;
 190       }
 191    }
 192 }
 193
 194 static _EGLSurface *
 195 droid_create_surface(_EGLDriver *drv, _EGLDisplay *disp, EGLint type,
 196                     _EGLConfig *conf, EGLNativeWindowType window,
 197                     const EGLint *attrib_list)
 198 {
 199    struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
 200    struct dri2_egl_config *dri2_conf = dri2_egl_config(conf);
 201    struct dri2_egl_surface *dri2_surf;
 202    dri2_surf = calloc(1, sizeof *dri2_surf);
 203    if (!dri2_surf) {
 204       _eglError(EGL_BAD_ALLOC, "droid_create_surface");
 205       return NULL;
 206    }
 207
 208    if (!_eglInitSurface(&dri2_surf->base, disp, type, conf, attrib_list))
 209       goto cleanup_surface;
 210
 211    if (type == EGL_WINDOW_BIT) {
 212       int format;
 213
 214       if (!window || window->common.magic != ANDROID_NATIVE_WINDOW_MAGIC) {
 215          _eglError(EGL_BAD_NATIVE_WINDOW, "droid_create_surface");
 216          goto cleanup_surface;
 217       }
 218       if (window->query(window, NATIVE_WINDOW_FORMAT, &format)) {
 219          _eglError(EGL_BAD_NATIVE_WINDOW, "droid_create_surface");
 220          goto cleanup_surface;
 221       }
 222
 223       if (format != dri2_conf->base.NativeVisualID) {
 224          _eglLog(_EGL_WARNING, "Native format mismatch: 0x%x != 0x%x",
 225                format, dri2_conf->base.NativeVisualID);
 226       }
 227
 228       window->query(window, NATIVE_WINDOW_WIDTH, &dri2_surf->base.Width);
 229       window->query(window, NATIVE_WINDOW_HEIGHT, &dri2_surf->base.Height);
 230    }
 231
 232    dri2_surf->dri_drawable =
 233       (*dri2_dpy->dri2->createNewDrawable)(dri2_dpy->dri_screen,
 234                                            dri2_conf->dri_double_config,
 235                                            dri2_surf);
 236    if (dri2_surf->dri_drawable == NULL) {
 237       _eglError(EGL_BAD_ALLOC, "dri2->createNewDrawable");
 238       goto cleanup_surface;
 239    }
 240
 241    if (window) {
 242       window->common.incRef(&window->common);
 243       dri2_surf->window = window;
 244    }
 245
 246    return &dri2_surf->base;
 247
 248 cleanup_surface:
 249    free(dri2_surf);
 250
 251    return NULL;
 252 }
 253
 254 static _EGLSurface *
 255 droid_create_window_surface(_EGLDriver *drv, _EGLDisplay *disp,
 256                            _EGLConfig *conf, EGLNativeWindowType window,
 257                            const EGLint *attrib_list)
 258 {
 259    return droid_create_surface(drv, disp, EGL_WINDOW_BIT, conf,
 260                               window, attrib_list);
 261 }
 262
 263 static _EGLSurface *
 264 droid_create_pixmap_surface(_EGLDriver *drv, _EGLDisplay *disp,
 265                            _EGLConfig *conf, EGLNativePixmapType pixmap,
 266                            const EGLint *attrib_list)
 267 {
 268    return NULL;
 269 }
 270
 271 static _EGLSurface *
 272 droid_create_pbuffer_surface(_EGLDriver *drv, _EGLDisplay *disp,
 273                             _EGLConfig *conf, const EGLint *attrib_list)
 274 {
 275    return droid_create_surface(drv, disp, EGL_PBUFFER_BIT, conf,
 276                               NULL, attrib_list);
 277 }
 278
 279 static EGLBoolean
 280 droid_destroy_surface(_EGLDriver *drv, _EGLDisplay *disp, _EGLSurface *surf)
 281 {
 282    struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
 283    struct dri2_egl_surface *dri2_surf = dri2_egl_surface(surf);
 284
 285    if (!_eglPutSurface(surf))
 286       return EGL_TRUE;
 287
 288    droid_free_local_buffers(dri2_surf);
 289
 290    if (dri2_surf->base.Type == EGL_WINDOW_BIT) {
 291       if (dri2_surf->buffer)
 292          droid_window_cancel_buffer(dri2_surf);
 293
 294       dri2_surf->window->common.decRef(&dri2_surf->window->common);
 295    }
 296
 297    (*dri2_dpy->core->destroyDrawable)(dri2_surf->dri_drawable);
 298
 299    free(dri2_surf);
 300
 301    return EGL_TRUE;
 302 }
 303
 304 static EGLBoolean
 305 droid_swap_buffers(_EGLDriver *drv, _EGLDisplay *disp, _EGLSurface *draw)
 306 {
 307    struct dri2_egl_driver *dri2_drv = dri2_egl_driver(drv);
 308    struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
 309    struct dri2_egl_surface *dri2_surf = dri2_egl_surface(draw);
 310    _EGLContext *ctx;
 311
 312    if (dri2_surf->base.Type != EGL_WINDOW_BIT)
 313       return EGL_TRUE;
 314
 315    if (dri2_drv->glFlush) {
 316       ctx = _eglGetCurrentContext();
 317       if (ctx && ctx->DrawSurface == &dri2_surf->base)
 318          dri2_drv->glFlush();
 319    }
 320
 321    (*dri2_dpy->flush->flush)(dri2_surf->dri_drawable);
 322
 323    if (dri2_surf->buffer)
 324       droid_window_enqueue_buffer(dri2_surf);
 325
 326    (*dri2_dpy->flush->invalidate)(dri2_surf->dri_drawable);
 327
 328    return EGL_TRUE;
 329 }
 330
 331 static _EGLImage *
 332 dri2_create_image_android_native_buffer(_EGLDisplay *disp, _EGLContext *ctx,
 333                                         struct ANativeWindowBuffer *buf)
 334 {
 335    struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
 336    struct dri2_egl_image *dri2_img;
 337    int name;
 338    EGLint format;
 339
 340    if (ctx != NULL) {
 341       /* From the EGL_ANDROID_image_native_buffer spec:
 342        *
 343        *     * If <target> is EGL_NATIVE_BUFFER_ANDROID and <ctx> is not
 344        *       EGL_NO_CONTEXT, the error EGL_BAD_CONTEXT is generated.
 345        */
 346       _eglError(EGL_BAD_CONTEXT, "eglCreateEGLImageKHR: for "
 347                 "EGL_NATIVE_BUFFER_ANDROID, the context must be "
 348                 "EGL_NO_CONTEXT");
 349       return NULL;
 350    }
 351
 352    if (!buf || buf->common.magic != ANDROID_NATIVE_BUFFER_MAGIC ||
 353        buf->common.version != sizeof(*buf)) {
 354       _eglError(EGL_BAD_PARAMETER, "eglCreateEGLImageKHR");
 355       return NULL;
 356    }
 357
 358    name = get_native_buffer_name(buf);
 359    if (!name) {
 360       _eglError(EGL_BAD_PARAMETER, "eglCreateEGLImageKHR");
 361       return NULL;
 362    }
 363
 364    /* see the table in droid_add_configs_for_visuals */
 365    switch (buf->format) {
 366    case HAL_PIXEL_FORMAT_BGRA_8888:
 367       format = __DRI_IMAGE_FORMAT_ARGB8888;
 368       break;
 369    case HAL_PIXEL_FORMAT_RGB_565:
 370       format = __DRI_IMAGE_FORMAT_RGB565;
 371       break;
 372    case HAL_PIXEL_FORMAT_RGBA_8888:
 373       format = __DRI_IMAGE_FORMAT_ABGR8888;
 374       break;
 375    case HAL_PIXEL_FORMAT_RGBX_8888:
 376       format = __DRI_IMAGE_FORMAT_XBGR8888;
 377       break;
 378    case HAL_PIXEL_FORMAT_RGB_888:
 379    case HAL_PIXEL_FORMAT_RGBA_5551:
 380    case HAL_PIXEL_FORMAT_RGBA_4444:
 381       /* unsupported */
 382    default:
 383       _eglLog(_EGL_WARNING, "unsupported native buffer format 0x%x", buf->format);
 384       return NULL;
 385       break;
 386    }
 387
 388    dri2_img = calloc(1, sizeof(*dri2_img));
 389    if (!dri2_img) {
 390       _eglError(EGL_BAD_ALLOC, "droid_create_image_mesa_drm");
 391       return NULL;
 392    }
 393
 394    if (!_eglInitImage(&dri2_img->base, disp)) {
 395       free(dri2_img);
 396       return NULL;
 397    }
 398
 399    dri2_img->dri_image =
 400       dri2_dpy->image->createImageFromName(dri2_dpy->dri_screen,
 401                                            buf->width,
 402                                            buf->height,
 403                                            format,
 404                                            name,
 405                                            buf->stride,
 406                                            dri2_img);
 407    if (!dri2_img->dri_image) {
 408       free(dri2_img);
 409       _eglError(EGL_BAD_ALLOC, "droid_create_image_mesa_drm");
 410       return NULL;
 411    }
 412
 413    return &dri2_img->base;
 414 }
 415
 416 static _EGLImage *
 417 droid_create_image_khr(_EGLDriver *drv, _EGLDisplay *disp,
 418                        _EGLContext *ctx, EGLenum target,
 419                        EGLClientBuffer buffer, const EGLint *attr_list)
 420 {
 421    switch (target) {
 422    case EGL_NATIVE_BUFFER_ANDROID:
 423       return dri2_create_image_android_native_buffer(disp, ctx,
 424             (struct ANativeWindowBuffer *) buffer);
 425    default:
 426       return dri2_create_image_khr(drv, disp, ctx, target, buffer, attr_list);
 427    }
 428 }
 429
 430 static void
 431 droid_init_driver_functions(_EGLDriver *drv)
 432 {
 433    drv->API.CreateWindowSurface = droid_create_window_surface;
 434    drv->API.CreatePixmapSurface = droid_create_pixmap_surface;
 435    drv->API.CreatePbufferSurface = droid_create_pbuffer_surface;
 436    drv->API.DestroySurface = droid_destroy_surface;
 437    drv->API.SwapBuffers = droid_swap_buffers;
 438
 439    drv->API.CreateImageKHR = droid_create_image_khr;
 440 }
 441
 442 static void
 443 droid_flush_front_buffer(__DRIdrawable * driDrawable, void *loaderPrivate)
 444 {
 445 }
 446
 447 static int
 448 droid_get_buffers_parse_attachments(struct dri2_egl_surface *dri2_surf,
 449                                     unsigned int *attachments, int count)
 450 {
 451    int num_buffers = 0, i;
 452
 453    /* fill dri2_surf->buffers */
 454    for (i = 0; i < count * 2; i += 2) {
 455       __DRIbuffer *buf, *local;
 456
 457       assert(num_buffers < ARRAY_SIZE(dri2_surf->buffers));
 458       buf = &dri2_surf->buffers[num_buffers];
 459
 460       switch (attachments[i]) {
 461       case __DRI_BUFFER_BACK_LEFT:
 462          if (dri2_surf->base.Type == EGL_WINDOW_BIT) {
 463             buf->attachment = attachments[i];
 464             buf->name = get_native_buffer_name(dri2_surf->buffer);
 465             buf->cpp = get_format_bpp(dri2_surf->buffer->format);
 466             buf->pitch = dri2_surf->buffer->stride * buf->cpp;
 467             buf->flags = 0;
 468
 469             if (buf->name)
 470                num_buffers++;
 471
 472             break;
 473          }
 474          /* fall through for pbuffers */
 475       case __DRI_BUFFER_DEPTH:
 476       case __DRI_BUFFER_STENCIL:
 477       case __DRI_BUFFER_ACCUM:
 478       case __DRI_BUFFER_DEPTH_STENCIL:
 479       case __DRI_BUFFER_HIZ:
 480          local = droid_alloc_local_buffer(dri2_surf,
 481                attachments[i], attachments[i + 1]);
 482
 483          if (local) {
 484             *buf = *local;
 485             num_buffers++;
 486          }
 487          break;
 488       case __DRI_BUFFER_FRONT_LEFT:
 489       case __DRI_BUFFER_FRONT_RIGHT:
 490       case __DRI_BUFFER_FAKE_FRONT_LEFT:
 491       case __DRI_BUFFER_FAKE_FRONT_RIGHT:
 492       case __DRI_BUFFER_BACK_RIGHT:
 493       default:
 494          /* no front or right buffers */
 495          break;
 496       }
 497    }
 498
 499    return num_buffers;
 500 }
 501
 502 static __DRIbuffer *
 503 droid_get_buffers_with_format(__DRIdrawable * driDrawable,
 504                              int *width, int *height,
 505                              unsigned int *attachments, int count,
 506                              int *out_count, void *loaderPrivate)
 507 {
 508    struct dri2_egl_surface *dri2_surf = loaderPrivate;
 509    struct dri2_egl_display *dri2_dpy =
 510       dri2_egl_display(dri2_surf->base.Resource.Display);
 511    int i;
 512
 513    if (dri2_surf->base.Type == EGL_WINDOW_BIT) {
 514       /* try to dequeue the next back buffer */
 515       if (!dri2_surf->buffer && !droid_window_dequeue_buffer(dri2_surf))
 516          return NULL;
 517
 518       /* free outdated buffers and update the surface size */
 519       if (dri2_surf->base.Width != dri2_surf->buffer->width ||
 520           dri2_surf->base.Height != dri2_surf->buffer->height) {
 521          droid_free_local_buffers(dri2_surf);
 522          dri2_surf->base.Width = dri2_surf->buffer->width;
 523          dri2_surf->base.Height = dri2_surf->buffer->height;
 524       }
 525    }
 526
 527    dri2_surf->buffer_count =
 528       droid_get_buffers_parse_attachments(dri2_surf, attachments, count);
 529
 530    if (width)
 531       *width = dri2_surf->base.Width;
 532    if (height)
 533       *height = dri2_surf->base.Height;
 534
 535    *out_count = dri2_surf->buffer_count;;
 536
 537    return dri2_surf->buffers;
 538 }
 539
 540 static EGLBoolean
 541 droid_add_configs_for_visuals(_EGLDriver *drv, _EGLDisplay *dpy)
 542 {
 543    struct dri2_egl_display *dri2_dpy = dri2_egl_display(dpy);
 544    const struct {
 545       int format;
 546       unsigned int rgba_masks[4];
 547    } visuals[] = {
 548       { HAL_PIXEL_FORMAT_RGBA_8888, { 0xff, 0xff00, 0xff0000, 0xff000000 } },
 549       { HAL_PIXEL_FORMAT_RGBX_8888, { 0xff, 0xff00, 0xff0000, 0x0 } },
 550       { HAL_PIXEL_FORMAT_RGB_888,   { 0xff, 0xff00, 0xff0000, 0x0 } },
 551       { HAL_PIXEL_FORMAT_RGB_565,   { 0xf800, 0x7e0, 0x1f, 0x0 } },
 552       { HAL_PIXEL_FORMAT_BGRA_8888, { 0xff0000, 0xff00, 0xff, 0xff000000 } },
 553       { 0, 0, { 0, 0, 0, 0 } }
 554    };
 555    int count, i, j;
 556
 557    count = 0;
 558    for (i = 0; visuals[i].format; i++) {
 559       int format_count = 0;
 560
 561       for (j = 0; dri2_dpy->driver_configs[j]; j++) {
 562          const EGLint surface_type = EGL_WINDOW_BIT | EGL_PBUFFER_BIT;
 563          struct dri2_egl_config *dri2_conf;
 564          unsigned int double_buffered = 0;
 565
 566          dri2_dpy->core->getConfigAttrib(dri2_dpy->driver_configs[j],
 567             __DRI_ATTRIB_DOUBLE_BUFFER, &double_buffered);
 568
 569          /* support only double buffered configs */
 570          if (!double_buffered)
 571             continue;
 572
 573          dri2_conf = dri2_add_config(dpy, dri2_dpy->driver_configs[j],
 574                count + 1, surface_type, NULL, visuals[i].rgba_masks);
 575          if (dri2_conf) {
 576             dri2_conf->base.NativeVisualID = visuals[i].format;
 577             dri2_conf->base.NativeVisualType = visuals[i].format;
 578             count++;
 579             format_count++;
 580          }
 581       }
 582
 583       if (!format_count) {
 584          _eglLog(_EGL_DEBUG, "No DRI config supports native format 0x%x",
 585                visuals[i].format);
 586       }
 587    }
 588
 589    /* post-process configs */
 590    for (i = 0; i < dpy->Configs->Size; i++) {
 591       struct dri2_egl_config *dri2_conf = dri2_egl_config(dpy->Configs->Elements[i]);
 592
 593       /* there is no front buffer so no OpenGL */
 594       dri2_conf->base.RenderableType &= ~EGL_OPENGL_BIT;
 595       dri2_conf->base.Conformant &= ~EGL_OPENGL_BIT;
 596    }
 597
 598    return (count != 0);
 599 }
 600
 601 static int
 602 droid_open_device(void)
 603 {
 604    const hw_module_t *mod;
 605    int fd = -1, err;
 606
 607    err = hw_get_module(GRALLOC_HARDWARE_MODULE_ID, &mod);
 608    if (!err) {
 609       const gralloc_module_t *gr = (gralloc_module_t *) mod;
 610
 611       err = -EINVAL;
 612       if (gr->perform)
 613          err = gr->perform(gr, GRALLOC_MODULE_PERFORM_GET_DRM_FD, &fd);
 614    }
 615    if (err || fd < 0) {
 616       _eglLog(_EGL_WARNING, "fail to get drm fd");
 617       fd = -1;
 618    }
 619
 620    return (fd >= 0) ? dup(fd) : -1;
 621 }
 622
 623 /* support versions < JellyBean */
 624 #ifndef ALOGW
 625 #define ALOGW LOGW
 626 #endif
 627 #ifndef ALOGD
 628 #define ALOGD LOGD
 629 #endif
 630 #ifndef ALOGI
 631 #define ALOGI LOGI
 632 #endif
 633
 634 static void
 635 droid_log(EGLint level, const char *msg)
 636 {
 637    switch (level) {
 638    case _EGL_DEBUG:
 639       ALOGD("%s", msg);
 640       break;
 641    case _EGL_INFO:
 642       ALOGI("%s", msg);
 643       break;
 644    case _EGL_WARNING:
 645       ALOGW("%s", msg);
 646       break;
 647    case _EGL_FATAL:
 648       LOG_FATAL("%s", msg);
 649       break;
 650    default:
 651       break;
 652    }
 653 }
 654
 655 EGLBoolean
 656 dri2_initialize_android(_EGLDriver *drv, _EGLDisplay *dpy)
 657 {
 658    struct dri2_egl_display *dri2_dpy;
 659    const char *err;
 660
 661    _eglSetLogProc(droid_log);
 662
 663    loader_set_logger(_eglLog);
 664
 665    dri2_dpy = calloc(1, sizeof(*dri2_dpy));
 666    if (!dri2_dpy)
 667       return _eglError(EGL_BAD_ALLOC, "eglInitialize");
 668
 669    dpy->DriverData = (void *) dri2_dpy;
 670
 671    dri2_dpy->fd = droid_open_device();
 672    if (dri2_dpy->fd < 0) {
 673       err = "DRI2: failed to open device";
 674       goto cleanup_display;
 675    }
 676
 677    dri2_dpy->driver_name = loader_get_driver_for_fd(dri2_dpy->fd, 0);
 678    if (dri2_dpy->driver_name == NULL) {
 679       err = "DRI2: failed to get driver name";
 680       goto cleanup_device;
 681    }
 682
 683    if (!dri2_load_driver(dpy)) {
 684       err = "DRI2: failed to load driver";
 685       goto cleanup_driver_name;
 686    }
 687
 688    dri2_dpy->dri2_loader_extension.base.name = __DRI_DRI2_LOADER;
 689    dri2_dpy->dri2_loader_extension.base.version = 3;
 690    dri2_dpy->dri2_loader_extension.getBuffers = NULL;
 691    dri2_dpy->dri2_loader_extension.flushFrontBuffer = droid_flush_front_buffer;
 692    dri2_dpy->dri2_loader_extension.getBuffersWithFormat =
 693       droid_get_buffers_with_format;
 694
 695    dri2_dpy->extensions[0] = &dri2_dpy->dri2_loader_extension.base;
 696    dri2_dpy->extensions[1] = &image_lookup_extension.base;
 697    dri2_dpy->extensions[2] = &use_invalidate.base;
 698    dri2_dpy->extensions[3] = NULL;
 699
 700    if (!dri2_create_screen(dpy)) {
 701       err = "DRI2: failed to create screen";
 702       goto cleanup_driver;
 703    }
 704
 705    if (!droid_add_configs_for_visuals(drv, dpy)) {
 706       err = "DRI2: failed to add configs";
 707       goto cleanup_screen;
 708    }
 709
 710    dpy->Extensions.ANDROID_image_native_buffer = EGL_TRUE;
 711    dpy->Extensions.KHR_image_base = EGL_TRUE;
 712
 713    /* we're supporting EGL 1.4 */
 714    dpy->VersionMajor = 1;
 715    dpy->VersionMinor = 4;
 716
 717    droid_init_driver_functions(drv);
 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 }