src/egl/drivers/dri2/platform_android.c

   1 /*
   2  * Mesa 3-D graphics library
   3  * Version:  7.12
   4  *
   5  * Copyright (C) 2010-2011 Chia-I Wu <olvaffe@gmail.com>
   6  * Copyright (C) 2010-2011 LunarG Inc.
   7  *
   8  * Based on platform_x11, which has
   9  *
  10  * Copyright © 2011 Intel Corporation
  11  *
  12  * Permission is hereby granted, free of charge, to any person obtaining a
  13  * copy of this software and associated documentation files (the "Software"),
  14  * to deal in the Software without restriction, including without limitation
  15  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
  16  * and/or sell copies of the Software, and to permit persons to whom the
  17  * Software is furnished to do so, subject to the following conditions:
  18  *
  19  * The above copyright notice and this permission notice shall be included
  20  * in all copies or substantial portions of the Software.
  21  *
  22  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  23  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  24  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
  25  * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
  26  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
  27  * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
  28  * DEALINGS IN THE SOFTWARE.
  29  */
  30
  31 #include <errno.h>
  32 #include <dlfcn.h>
  33
  34 /* for droid_get_pci_id */
  35 #include <xf86drm.h>
  36 #include <i915_drm.h>
  37 #include <radeon_drm.h>
  38
  39 #include "egl_dri2.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 android_native_buffer_t *buf)
  70 {
  71    struct gralloc_drm_handle_t *handle;
  72
  73    /* check that the buffer is allocated by drm_gralloc and cast */
  74    handle = gralloc_drm_handle(buf->handle);
  75
  76    return (handle) ? handle->name : 0;
  77 }
  78
  79 static EGLBoolean
  80 droid_window_dequeue_buffer(struct dri2_egl_surface *dri2_surf)
  81 {
  82    if (dri2_surf->window->dequeueBuffer(dri2_surf->window, &dri2_surf->buffer))
  83       return EGL_FALSE;
  84
  85    dri2_surf->buffer->common.incRef(&dri2_surf->buffer->common);
  86    dri2_surf->window->lockBuffer(dri2_surf->window, dri2_surf->buffer);
  87
  88    return EGL_TRUE;
  89 }
  90
  91 static EGLBoolean
  92 droid_window_enqueue_buffer(struct dri2_egl_surface *dri2_surf)
  93 {
  94    dri2_surf->window->queueBuffer(dri2_surf->window, dri2_surf->buffer);
  95
  96    dri2_surf->buffer->common.decRef(&dri2_surf->buffer->common);
  97    dri2_surf->buffer = NULL;
  98
  99    return EGL_TRUE;
 100 }
 101
 102 static void
 103 droid_window_cancel_buffer(struct dri2_egl_surface *dri2_surf)
 104 {
 105    /* no cancel buffer? */
 106    droid_window_enqueue_buffer(dri2_surf);
 107 }
 108
 109 static __DRIbuffer *
 110 droid_alloc_local_buffer(struct dri2_egl_surface *dri2_surf,
 111                          unsigned int att, unsigned int format)
 112 {
 113    struct dri2_egl_display *dri2_dpy =
 114       dri2_egl_display(dri2_surf->base.Resource.Display);
 115
 116    if (att >= ARRAY_SIZE(dri2_surf->local_buffers))
 117       return NULL;
 118
 119    if (!dri2_surf->local_buffers[att]) {
 120       dri2_surf->local_buffers[att] =
 121          dri2_dpy->dri2->allocateBuffer(dri2_dpy->dri_screen, att, format,
 122                dri2_surf->base.Width, dri2_surf->base.Height);
 123    }
 124
 125    return dri2_surf->local_buffers[att];
 126 }
 127
 128 static void
 129 droid_free_local_buffers(struct dri2_egl_surface *dri2_surf)
 130 {
 131    struct dri2_egl_display *dri2_dpy =
 132       dri2_egl_display(dri2_surf->base.Resource.Display);
 133    int i;
 134
 135    for (i = 0; i < ARRAY_SIZE(dri2_surf->local_buffers); i++) {
 136       if (dri2_surf->local_buffers[i]) {
 137          dri2_dpy->dri2->releaseBuffer(dri2_dpy->dri_screen,
 138                dri2_surf->local_buffers[i]);
 139          dri2_surf->local_buffers[i] = NULL;
 140       }
 141    }
 142 }
 143
 144 static _EGLSurface *
 145 droid_create_surface(_EGLDriver *drv, _EGLDisplay *disp, EGLint type,
 146                     _EGLConfig *conf, EGLNativeWindowType window,
 147                     const EGLint *attrib_list)
 148 {
 149    struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
 150    struct dri2_egl_config *dri2_conf = dri2_egl_config(conf);
 151    struct dri2_egl_surface *dri2_surf;
 152    int format;
 153
 154    (void) drv;
 155
 156    if (!window || window->common.magic != ANDROID_NATIVE_WINDOW_MAGIC) {
 157       _eglError(EGL_BAD_NATIVE_WINDOW, "droid_create_surface");
 158       return NULL;
 159    }
 160    if (window->query(window, NATIVE_WINDOW_FORMAT, &format)) {
 161       _eglError(EGL_BAD_NATIVE_WINDOW, "droid_create_surface");
 162       return NULL;
 163    }
 164    if (format != dri2_conf->base.NativeVisualID) {
 165       _eglLog(_EGL_WARNING, "Native format mismatch: 0x%x != 0x%x",
 166             format, dri2_conf->base.NativeVisualID);
 167    }
 168
 169    dri2_surf = calloc(1, sizeof *dri2_surf);
 170    if (!dri2_surf) {
 171       _eglError(EGL_BAD_ALLOC, "droid_create_surface");
 172       return NULL;
 173    }
 174
 175    if (!_eglInitSurface(&dri2_surf->base, disp, type, conf, attrib_list))
 176       goto cleanup_surf;
 177
 178    dri2_surf->dri_drawable =
 179       (*dri2_dpy->dri2->createNewDrawable)(dri2_dpy->dri_screen,
 180                                            dri2_conf->dri_double_config,
 181                                            dri2_surf);
 182    if (dri2_surf->dri_drawable == NULL) {
 183       _eglError(EGL_BAD_ALLOC, "dri2->createNewDrawable");
 184       goto cleanup_surf;
 185    }
 186
 187    window->common.incRef(&window->common);
 188    window->query(window, NATIVE_WINDOW_WIDTH, &dri2_surf->base.Width);
 189    window->query(window, NATIVE_WINDOW_HEIGHT, &dri2_surf->base.Height);
 190
 191    dri2_surf->window = window;
 192
 193    return &dri2_surf->base;
 194
 195 cleanup_surf:
 196    free(dri2_surf);
 197
 198    return NULL;
 199 }
 200
 201 static _EGLSurface *
 202 droid_create_window_surface(_EGLDriver *drv, _EGLDisplay *disp,
 203                            _EGLConfig *conf, EGLNativeWindowType window,
 204                            const EGLint *attrib_list)
 205 {
 206    return droid_create_surface(drv, disp, EGL_WINDOW_BIT, conf,
 207                               window, attrib_list);
 208 }
 209
 210 static _EGLSurface *
 211 droid_create_pixmap_surface(_EGLDriver *drv, _EGLDisplay *disp,
 212                            _EGLConfig *conf, EGLNativePixmapType pixmap,
 213                            const EGLint *attrib_list)
 214 {
 215    return NULL;
 216 }
 217
 218 static _EGLSurface *
 219 droid_create_pbuffer_surface(_EGLDriver *drv, _EGLDisplay *disp,
 220                             _EGLConfig *conf, const EGLint *attrib_list)
 221 {
 222    return NULL;
 223 }
 224
 225 static EGLBoolean
 226 droid_destroy_surface(_EGLDriver *drv, _EGLDisplay *disp, _EGLSurface *surf)
 227 {
 228    struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
 229    struct dri2_egl_surface *dri2_surf = dri2_egl_surface(surf);
 230
 231    if (!_eglPutSurface(surf))
 232       return EGL_TRUE;
 233
 234    droid_free_local_buffers(dri2_surf);
 235
 236    if (dri2_surf->buffer)
 237       droid_window_cancel_buffer(dri2_surf);
 238
 239    dri2_surf->window->common.decRef(&dri2_surf->window->common);
 240
 241    (*dri2_dpy->core->destroyDrawable)(dri2_surf->dri_drawable);
 242
 243    free(dri2_surf);
 244
 245    return EGL_TRUE;
 246 }
 247
 248 static EGLBoolean
 249 droid_swap_buffers(_EGLDriver *drv, _EGLDisplay *disp, _EGLSurface *draw)
 250 {
 251    struct dri2_egl_driver *dri2_drv = dri2_egl_driver(drv);
 252    struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
 253    struct dri2_egl_surface *dri2_surf = dri2_egl_surface(draw);
 254    _EGLContext *ctx;
 255
 256    if (dri2_drv->glFlush) {
 257       ctx = _eglGetCurrentContext();
 258       if (ctx && ctx->DrawSurface == &dri2_surf->base)
 259          dri2_drv->glFlush();
 260    }
 261
 262    (*dri2_dpy->flush->flush)(dri2_surf->dri_drawable);
 263
 264    if (dri2_surf->buffer)
 265       droid_window_enqueue_buffer(dri2_surf);
 266
 267    (*dri2_dpy->flush->invalidate)(dri2_surf->dri_drawable);
 268
 269    return EGL_TRUE;
 270 }
 271
 272 static _EGLImage *
 273 dri2_create_image_android_native_buffer(_EGLDisplay *disp,
 274                                         struct android_native_buffer_t *buf)
 275 {
 276    struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
 277    struct dri2_egl_image *dri2_img;
 278    int name;
 279    EGLint format;
 280
 281    if (!buf || buf->common.magic != ANDROID_NATIVE_BUFFER_MAGIC ||
 282        buf->common.version != sizeof(*buf)) {
 283       _eglError(EGL_BAD_PARAMETER, "eglCreateEGLImageKHR");
 284       return NULL;
 285    }
 286
 287    name = get_native_buffer_name(buf);
 288    if (!name) {
 289       _eglError(EGL_BAD_PARAMETER, "eglCreateEGLImageKHR");
 290       return NULL;
 291    }
 292
 293    /* see the table in droid_add_configs_for_visuals */
 294    switch (buf->format) {
 295    case HAL_PIXEL_FORMAT_BGRA_8888:
 296       format = __DRI_IMAGE_FORMAT_ARGB8888;
 297       break;
 298    case HAL_PIXEL_FORMAT_RGB_565:
 299       format = __DRI_IMAGE_FORMAT_RGB565;
 300       break;
 301    case HAL_PIXEL_FORMAT_RGBA_8888:
 302    case HAL_PIXEL_FORMAT_RGBX_8888:
 303    case HAL_PIXEL_FORMAT_RGB_888:
 304    case HAL_PIXEL_FORMAT_RGBA_5551:
 305    case HAL_PIXEL_FORMAT_RGBA_4444:
 306       /* unsupported */
 307    default:
 308       _eglLog(_EGL_WARNING, "unsupported native buffer format 0x%x", buf->format);
 309       return NULL;
 310       break;
 311    }
 312
 313    dri2_img = calloc(1, sizeof(*dri2_img));
 314    if (!dri2_img) {
 315       _eglError(EGL_BAD_ALLOC, "droid_create_image_mesa_drm");
 316       return NULL;
 317    }
 318
 319    if (!_eglInitImage(&dri2_img->base, disp)) {
 320       free(dri2_img);
 321       return NULL;
 322    }
 323
 324    dri2_img->dri_image =
 325       dri2_dpy->image->createImageFromName(dri2_dpy->dri_screen,
 326                                            buf->width,
 327                                            buf->height,
 328                                            format,
 329                                            name,
 330                                            buf->stride,
 331                                            dri2_img);
 332    if (!dri2_img->dri_image) {
 333       free(dri2_img);
 334       _eglError(EGL_BAD_ALLOC, "droid_create_image_mesa_drm");
 335       return NULL;
 336    }
 337
 338    return &dri2_img->base;
 339 }
 340
 341 static _EGLImage *
 342 droid_create_image_khr(_EGLDriver *drv, _EGLDisplay *disp,
 343                        _EGLContext *ctx, EGLenum target,
 344                        EGLClientBuffer buffer, const EGLint *attr_list)
 345 {
 346    switch (target) {
 347    case EGL_NATIVE_BUFFER_ANDROID:
 348       return dri2_create_image_android_native_buffer(disp,
 349             (struct android_native_buffer_t *) buffer);
 350    default:
 351       return dri2_create_image_khr(drv, disp, ctx, target, buffer, attr_list);
 352    }
 353 }
 354
 355 static void
 356 droid_init_driver_functions(_EGLDriver *drv)
 357 {
 358    drv->API.CreateWindowSurface = droid_create_window_surface;
 359    drv->API.CreatePixmapSurface = droid_create_pixmap_surface;
 360    drv->API.CreatePbufferSurface = droid_create_pbuffer_surface;
 361    drv->API.DestroySurface = droid_destroy_surface;
 362    drv->API.SwapBuffers = droid_swap_buffers;
 363
 364    drv->API.CreateImageKHR = droid_create_image_khr;
 365 }
 366
 367 static void
 368 droid_flush_front_buffer(__DRIdrawable * driDrawable, void *loaderPrivate)
 369 {
 370 }
 371
 372 static int
 373 droid_get_buffers_parse_attachments(struct dri2_egl_surface *dri2_surf,
 374                                     unsigned int *attachments, int count)
 375 {
 376    int num_buffers = 0, i;
 377
 378    /* fill dri2_surf->buffers */
 379    for (i = 0; i < count * 2; i += 2) {
 380       __DRIbuffer *buf, *local;
 381
 382       assert(num_buffers < ARRAY_SIZE(dri2_surf->buffers));
 383       buf = &dri2_surf->buffers[num_buffers];
 384
 385       switch (attachments[i]) {
 386       case __DRI_BUFFER_BACK_LEFT:
 387          buf->attachment = attachments[i];
 388          buf->name = get_native_buffer_name(dri2_surf->buffer);
 389          buf->cpp = get_format_bpp(dri2_surf->buffer->format);
 390          buf->pitch = dri2_surf->buffer->stride * buf->cpp;
 391          buf->flags = 0;
 392
 393          if (buf->name)
 394             num_buffers++;
 395          break;
 396       case __DRI_BUFFER_DEPTH:
 397       case __DRI_BUFFER_STENCIL:
 398       case __DRI_BUFFER_ACCUM:
 399       case __DRI_BUFFER_DEPTH_STENCIL:
 400       case __DRI_BUFFER_HIZ:
 401          local = droid_alloc_local_buffer(dri2_surf,
 402                attachments[i], attachments[i + 1]);
 403
 404          if (local) {
 405             *buf = *local;
 406             num_buffers++;
 407          }
 408          break;
 409       case __DRI_BUFFER_FRONT_LEFT:
 410       case __DRI_BUFFER_FRONT_RIGHT:
 411       case __DRI_BUFFER_FAKE_FRONT_LEFT:
 412       case __DRI_BUFFER_FAKE_FRONT_RIGHT:
 413       case __DRI_BUFFER_BACK_RIGHT:
 414       default:
 415          /* no front or right buffers */
 416          break;
 417       }
 418    }
 419
 420    return num_buffers;
 421 }
 422
 423 static __DRIbuffer *
 424 droid_get_buffers_with_format(__DRIdrawable * driDrawable,
 425                              int *width, int *height,
 426                              unsigned int *attachments, int count,
 427                              int *out_count, void *loaderPrivate)
 428 {
 429    struct dri2_egl_surface *dri2_surf = loaderPrivate;
 430    struct dri2_egl_display *dri2_dpy =
 431       dri2_egl_display(dri2_surf->base.Resource.Display);
 432    int i;
 433
 434    if (!dri2_surf->buffer) {
 435       if (!droid_window_dequeue_buffer(dri2_surf))
 436          return NULL;
 437    }
 438
 439    /* free outdated buffers and update the surface size */
 440    if (dri2_surf->base.Width != dri2_surf->buffer->width ||
 441        dri2_surf->base.Height != dri2_surf->buffer->height) {
 442       droid_free_local_buffers(dri2_surf);
 443       dri2_surf->base.Width = dri2_surf->buffer->width;
 444       dri2_surf->base.Height = dri2_surf->buffer->height;
 445    }
 446
 447    dri2_surf->buffer_count =
 448       droid_get_buffers_parse_attachments(dri2_surf, attachments, count);
 449
 450    if (width)
 451       *width = dri2_surf->base.Width;
 452    if (height)
 453       *height = dri2_surf->base.Height;
 454
 455    *out_count = dri2_surf->buffer_count;;
 456
 457    return dri2_surf->buffers;
 458 }
 459
 460 static EGLBoolean
 461 droid_add_configs_for_visuals(_EGLDriver *drv, _EGLDisplay *dpy)
 462 {
 463    struct dri2_egl_display *dri2_dpy = dri2_egl_display(dpy);
 464    const struct {
 465       int format;
 466       int size;
 467       unsigned int rgba_masks[4];
 468    } visuals[] = {
 469       { HAL_PIXEL_FORMAT_RGBA_8888, 32, { 0xff, 0xff00, 0xff0000, 0xff000000 } },
 470       { HAL_PIXEL_FORMAT_RGBX_8888, 32, { 0xff, 0xff00, 0xff0000, 0x0 } },
 471       { HAL_PIXEL_FORMAT_RGB_888,   24, { 0xff, 0xff00, 0xff0000, 0x0 } },
 472       { HAL_PIXEL_FORMAT_RGB_565,   16, { 0xf800, 0x7e0, 0x1f, 0x0 } },
 473       { HAL_PIXEL_FORMAT_BGRA_8888, 32, { 0xff0000, 0xff00, 0xff, 0xff000000 } },
 474       { 0, 0, { 0, 0, 0, 0 } }
 475    };
 476    int count, i, j;
 477
 478    count = 0;
 479    for (i = 0; visuals[i].format; i++) {
 480       int format_count = 0;
 481
 482       for (j = 0; dri2_dpy->driver_configs[j]; j++) {
 483          struct dri2_egl_config *dri2_conf;
 484
 485          dri2_conf = dri2_add_config(dpy, dri2_dpy->driver_configs[j],
 486                count + 1, visuals[i].size, EGL_WINDOW_BIT, NULL,
 487                visuals[i].rgba_masks);
 488          if (dri2_conf) {
 489             dri2_conf->base.NativeVisualID = visuals[i].format;
 490             dri2_conf->base.NativeVisualType = visuals[i].format;
 491             count++;
 492             format_count++;
 493          }
 494       }
 495
 496       if (!format_count) {
 497          _eglLog(_EGL_DEBUG, "No DRI config supports native format 0x%x",
 498                visuals[i].format);
 499       }
 500    }
 501
 502    /* post-process configs */
 503    for (i = 0; i < dpy->Configs->Size; i++) {
 504       struct dri2_egl_config *dri2_conf = dri2_egl_config(dpy->Configs->Elements[i]);
 505
 506       /* there is no front buffer so no OpenGL */
 507       dri2_conf->base.RenderableType &= ~EGL_OPENGL_BIT;
 508       dri2_conf->base.Conformant &= ~EGL_OPENGL_BIT;
 509
 510       /* and we want to make sure GL_DRAW_BUFFER is always GL_BACK */
 511       if (!dri2_conf->dri_double_config)
 512          dri2_conf->base.SurfaceType &= ~EGL_WINDOW_BIT;
 513    }
 514
 515    return (count != 0);
 516 }
 517
 518 static EGLBoolean
 519 droid_get_pci_id(int fd, int *vendor_id, int *chip_id)
 520 {
 521    drmVersionPtr version;
 522
 523    *chip_id = -1;
 524
 525    version = drmGetVersion(fd);
 526    if (!version) {
 527       _eglLog(_EGL_WARNING, "invalid drm fd");
 528       return EGL_FALSE;
 529    }
 530    if (!version->name) {
 531       _eglLog(_EGL_WARNING, "unable to determine the driver name");
 532       drmFreeVersion(version);
 533       return EGL_FALSE;
 534    }
 535
 536    if (strcmp(version->name, "i915") == 0) {
 537       struct drm_i915_getparam gp;
 538       int ret;
 539
 540       *vendor_id = 0x8086;
 541
 542       memset(&gp, 0, sizeof(gp));
 543       gp.param = I915_PARAM_CHIPSET_ID;
 544       gp.value = chip_id;
 545       ret = drmCommandWriteRead(fd, DRM_I915_GETPARAM, &gp, sizeof(gp));
 546       if (ret) {
 547          _eglLog(_EGL_WARNING, "failed to get param for i915");
 548          *chip_id = -1;
 549       }
 550    }
 551    else if (strcmp(version->name, "radeon") == 0) {
 552       struct drm_radeon_info info;
 553       int ret;
 554
 555       *vendor_id = 0x1002;
 556
 557       memset(&info, 0, sizeof(info));
 558       info.request = RADEON_INFO_DEVICE_ID;
 559       info.value = (unsigned long) chip_id;
 560       ret = drmCommandWriteRead(fd, DRM_RADEON_INFO, &info, sizeof(info));
 561       if (ret) {
 562          _eglLog(_EGL_WARNING, "failed to get info for radeon");
 563          *chip_id = -1;
 564       }
 565    }
 566    else if (strcmp(version->name, "nouveau") == 0) {
 567       *vendor_id = 0x10de;
 568       /* not used */
 569       *chip_id = 0;
 570    }
 571    else if (strcmp(version->name, "vmwgfx") == 0) {
 572       *vendor_id = 0x15ad;
 573       /* assume SVGA II */
 574       *chip_id = 0x0405;
 575    }
 576
 577    drmFreeVersion(version);
 578
 579    return (*chip_id >= 0);
 580 }
 581
 582 #define DRIVER_MAP_DRI2_ONLY
 583 #include "pci_ids/pci_id_driver_map.h"
 584 static const char *
 585 droid_get_driver_name(int fd)
 586 {
 587    int vendor_id = -1, chip_id = -1;
 588    int idx, i;
 589    char *name;
 590
 591    if (!droid_get_pci_id(fd, &vendor_id, &chip_id))
 592       return NULL;
 593
 594    for (idx = 0; driver_map[idx].driver; idx++) {
 595       if (vendor_id != driver_map[idx].vendor_id)
 596          continue;
 597
 598       if (driver_map[idx].num_chips_ids == -1)
 599          break;
 600
 601       for (i = 0; i < driver_map[idx].num_chips_ids; i++) {
 602          if (driver_map[idx].chip_ids[i] == chip_id)
 603             break;
 604       }
 605       if (i < driver_map[idx].num_chips_ids)
 606               break;
 607    }
 608
 609    _eglLog(_EGL_INFO, "pci id for fd %d: %04x:%04x, driver %s",
 610          fd, vendor_id, chip_id, driver_map[idx].driver);
 611
 612    return driver_map[idx].driver;
 613 }
 614
 615 static int
 616 droid_open_device(void)
 617 {
 618    const hw_module_t *mod;
 619    int fd = -1, err;
 620
 621    err = hw_get_module(GRALLOC_HARDWARE_MODULE_ID, &mod);
 622    if (!err) {
 623       const gralloc_module_t *gr = (gralloc_module_t *) mod;
 624
 625       err = -EINVAL;
 626       if (gr->perform)
 627          err = gr->perform(gr, GRALLOC_MODULE_PERFORM_GET_DRM_FD, &fd);
 628    }
 629    if (err || fd < 0) {
 630       _eglLog(_EGL_WARNING, "fail to get drm fd");
 631       fd = -1;
 632    }
 633
 634    return (fd >= 0) ? dup(fd) : -1;
 635 }
 636
 637 static void
 638 droid_log(EGLint level, const char *msg)
 639 {
 640    switch (level) {
 641    case _EGL_DEBUG:
 642       LOGD("%s", msg);
 643       break;
 644    case _EGL_INFO:
 645       LOGI("%s", msg);
 646       break;
 647    case _EGL_WARNING:
 648       LOGW("%s", msg);
 649       break;
 650    case _EGL_FATAL:
 651       LOG_FATAL("%s", msg);
 652       break;
 653    default:
 654       break;
 655    }
 656 }
 657
 658 EGLBoolean
 659 dri2_initialize_android(_EGLDriver *drv, _EGLDisplay *dpy)
 660 {
 661    struct dri2_egl_display *dri2_dpy;
 662    const char *err;
 663
 664    _eglSetLogProc(droid_log);
 665
 666    dri2_dpy = calloc(1, sizeof(*dri2_dpy));
 667    if (!dri2_dpy)
 668       return _eglError(EGL_BAD_ALLOC, "eglInitialize");
 669
 670    dpy->DriverData = (void *) dri2_dpy;
 671
 672    dri2_dpy->fd = droid_open_device();
 673    if (dri2_dpy->fd < 0) {
 674       err = "DRI2: failed to open device";
 675       goto cleanup_display;
 676    }
 677
 678    dri2_dpy->driver_name = (char *) droid_get_driver_name(dri2_dpy->fd);
 679    if (dri2_dpy->driver_name == NULL) {
 680       err = "DRI2: failed to get driver name";
 681       goto cleanup_device;
 682    }
 683
 684    if (!dri2_load_driver(dpy)) {
 685       err = "DRI2: failed to load driver";
 686       goto cleanup_device;
 687    }
 688
 689    dri2_dpy->dri2_loader_extension.base.name = __DRI_DRI2_LOADER;
 690    dri2_dpy->dri2_loader_extension.base.version = 3;
 691    dri2_dpy->dri2_loader_extension.getBuffers = NULL;
 692    dri2_dpy->dri2_loader_extension.flushFrontBuffer = droid_flush_front_buffer;
 693    dri2_dpy->dri2_loader_extension.getBuffersWithFormat =
 694       droid_get_buffers_with_format;
 695
 696    dri2_dpy->extensions[0] = &dri2_dpy->dri2_loader_extension.base;
 697    dri2_dpy->extensions[1] = &image_lookup_extension.base;
 698    dri2_dpy->extensions[2] = &use_invalidate.base;
 699    dri2_dpy->extensions[3] = NULL;
 700
 701    if (!dri2_create_screen(dpy)) {
 702       err = "DRI2: failed to create screen";
 703       goto cleanup_driver;
 704    }
 705
 706    if (!droid_add_configs_for_visuals(drv, dpy)) {
 707       err = "DRI2: failed to add configs";
 708       goto cleanup_screen;
 709    }
 710
 711    dpy->Extensions.ANDROID_image_native_buffer = EGL_TRUE;
 712    dpy->Extensions.KHR_image_base = EGL_TRUE;
 713
 714    /* we're supporting EGL 1.4 */
 715    dpy->VersionMajor = 1;
 716    dpy->VersionMinor = 4;
 717
 718    droid_init_driver_functions(drv);
 719
 720    return EGL_TRUE;
 721
 722 cleanup_screen:
 723    dri2_dpy->core->destroyScreen(dri2_dpy->dri_screen);
 724 cleanup_driver:
 725    dlclose(dri2_dpy->driver);
 726 cleanup_device:
 727    close(dri2_dpy->fd);
 728 cleanup_display:
 729    free(dri2_dpy);
 730
 731    return _eglError(EGL_NOT_INITIALIZED, err);
 732 }