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 __DRIbuffer *
 373 droid_get_buffers_with_format(__DRIdrawable * driDrawable,
 374                              int *width, int *height,
 375                              unsigned int *attachments, int count,
 376                              int *out_count, void *loaderPrivate)
 377 {
 378    struct dri2_egl_surface *dri2_surf = loaderPrivate;
 379    struct dri2_egl_display *dri2_dpy =
 380       dri2_egl_display(dri2_surf->base.Resource.Display);
 381    int i;
 382
 383    if (!dri2_surf->buffer) {
 384       if (!droid_window_dequeue_buffer(dri2_surf))
 385          return NULL;
 386    }
 387
 388    /* free outdated buffers and update the surface size */
 389    if (dri2_surf->base.Width != dri2_surf->buffer->width ||
 390        dri2_surf->base.Height != dri2_surf->buffer->height) {
 391       droid_free_local_buffers(dri2_surf);
 392       dri2_surf->base.Width = dri2_surf->buffer->width;
 393       dri2_surf->base.Height = dri2_surf->buffer->height;
 394    }
 395
 396    dri2_surf->buffer_count = 0;
 397    for (i = 0; i < count * 2; i += 2) {
 398       __DRIbuffer *buf, *local;
 399
 400       assert(dri2_surf->buffer_count < ARRAY_SIZE(dri2_surf->buffers));
 401       buf = &dri2_surf->buffers[dri2_surf->buffer_count];
 402
 403       switch (attachments[i]) {
 404       case __DRI_BUFFER_BACK_LEFT:
 405          buf->attachment = attachments[i];
 406          buf->name = get_native_buffer_name(dri2_surf->buffer);
 407          buf->cpp = get_format_bpp(dri2_surf->buffer->format);
 408          buf->pitch = dri2_surf->buffer->stride * buf->cpp;
 409          buf->flags = 0;
 410
 411          if (buf->name)
 412             dri2_surf->buffer_count++;
 413          break;
 414       case __DRI_BUFFER_DEPTH:
 415       case __DRI_BUFFER_STENCIL:
 416       case __DRI_BUFFER_ACCUM:
 417       case __DRI_BUFFER_DEPTH_STENCIL:
 418       case __DRI_BUFFER_HIZ:
 419          local = droid_alloc_local_buffer(dri2_surf,
 420                attachments[i], attachments[i + 1]);
 421
 422          if (local) {
 423             *buf = *local;
 424             dri2_surf->buffer_count++;
 425          }
 426          break;
 427       case __DRI_BUFFER_FRONT_LEFT:
 428       case __DRI_BUFFER_FRONT_RIGHT:
 429       case __DRI_BUFFER_FAKE_FRONT_LEFT:
 430       case __DRI_BUFFER_FAKE_FRONT_RIGHT:
 431       case __DRI_BUFFER_BACK_RIGHT:
 432       default:
 433          /* no front or right buffers */
 434          break;
 435       }
 436    }
 437
 438    if (width)
 439       *width = dri2_surf->base.Width;
 440    if (height)
 441       *height = dri2_surf->base.Height;
 442
 443    *out_count = dri2_surf->buffer_count;;
 444
 445    return dri2_surf->buffers;
 446 }
 447
 448 static EGLBoolean
 449 droid_add_configs_for_visuals(_EGLDriver *drv, _EGLDisplay *dpy)
 450 {
 451    struct dri2_egl_display *dri2_dpy = dri2_egl_display(dpy);
 452    const struct {
 453       int format;
 454       int size;
 455       unsigned int rgba_masks[4];
 456    } visuals[] = {
 457       { HAL_PIXEL_FORMAT_RGBA_8888, 32, { 0xff, 0xff00, 0xff0000, 0xff000000 } },
 458       { HAL_PIXEL_FORMAT_RGBX_8888, 32, { 0xff, 0xff00, 0xff0000, 0x0 } },
 459       { HAL_PIXEL_FORMAT_RGB_888,   24, { 0xff, 0xff00, 0xff0000, 0x0 } },
 460       { HAL_PIXEL_FORMAT_RGB_565,   16, { 0xf800, 0x7e0, 0x1f, 0x0 } },
 461       { HAL_PIXEL_FORMAT_BGRA_8888, 32, { 0xff0000, 0xff00, 0xff, 0xff000000 } },
 462       { 0, 0, { 0, 0, 0, 0 } }
 463    };
 464    int count, i, j;
 465
 466    count = 0;
 467    for (i = 0; visuals[i].format; i++) {
 468       int format_count = 0;
 469
 470       for (j = 0; dri2_dpy->driver_configs[j]; j++) {
 471          struct dri2_egl_config *dri2_conf;
 472
 473          dri2_conf = dri2_add_config(dpy, dri2_dpy->driver_configs[j],
 474                count + 1, visuals[i].size, EGL_WINDOW_BIT, NULL,
 475                visuals[i].rgba_masks);
 476          if (dri2_conf) {
 477             dri2_conf->base.NativeVisualID = visuals[i].format;
 478             dri2_conf->base.NativeVisualType = visuals[i].format;
 479             count++;
 480             format_count++;
 481          }
 482       }
 483
 484       if (!format_count) {
 485          _eglLog(_EGL_DEBUG, "No DRI config supports native format 0x%x",
 486                visuals[i].format);
 487       }
 488    }
 489
 490    /* post-process configs */
 491    for (i = 0; i < dpy->Configs->Size; i++) {
 492       struct dri2_egl_config *dri2_conf = dri2_egl_config(dpy->Configs->Elements[i]);
 493
 494       /* there is no front buffer so no OpenGL */
 495       dri2_conf->base.RenderableType &= ~EGL_OPENGL_BIT;
 496       dri2_conf->base.Conformant &= ~EGL_OPENGL_BIT;
 497
 498       /* and we want to make sure GL_DRAW_BUFFER is always GL_BACK */
 499       if (!dri2_conf->dri_double_config)
 500          dri2_conf->base.SurfaceType &= ~EGL_WINDOW_BIT;
 501    }
 502
 503    return (count != 0);
 504 }
 505
 506 static EGLBoolean
 507 droid_get_pci_id(int fd, int *vendor_id, int *chip_id)
 508 {
 509    drmVersionPtr version;
 510
 511    *chip_id = -1;
 512
 513    version = drmGetVersion(fd);
 514    if (!version) {
 515       _eglLog(_EGL_WARNING, "invalid drm fd");
 516       return EGL_FALSE;
 517    }
 518    if (!version->name) {
 519       _eglLog(_EGL_WARNING, "unable to determine the driver name");
 520       drmFreeVersion(version);
 521       return EGL_FALSE;
 522    }
 523
 524    if (strcmp(version->name, "i915") == 0) {
 525       struct drm_i915_getparam gp;
 526       int ret;
 527
 528       *vendor_id = 0x8086;
 529
 530       memset(&gp, 0, sizeof(gp));
 531       gp.param = I915_PARAM_CHIPSET_ID;
 532       gp.value = chip_id;
 533       ret = drmCommandWriteRead(fd, DRM_I915_GETPARAM, &gp, sizeof(gp));
 534       if (ret) {
 535          _eglLog(_EGL_WARNING, "failed to get param for i915");
 536          *chip_id = -1;
 537       }
 538    }
 539    else if (strcmp(version->name, "radeon") == 0) {
 540       struct drm_radeon_info info;
 541       int ret;
 542
 543       *vendor_id = 0x1002;
 544
 545       memset(&info, 0, sizeof(info));
 546       info.request = RADEON_INFO_DEVICE_ID;
 547       info.value = (unsigned long) chip_id;
 548       ret = drmCommandWriteRead(fd, DRM_RADEON_INFO, &info, sizeof(info));
 549       if (ret) {
 550          _eglLog(_EGL_WARNING, "failed to get info for radeon");
 551          *chip_id = -1;
 552       }
 553    }
 554    else if (strcmp(version->name, "nouveau") == 0) {
 555       *vendor_id = 0x10de;
 556       /* not used */
 557       *chip_id = 0;
 558    }
 559    else if (strcmp(version->name, "vmwgfx") == 0) {
 560       *vendor_id = 0x15ad;
 561       /* assume SVGA II */
 562       *chip_id = 0x0405;
 563    }
 564
 565    drmFreeVersion(version);
 566
 567    return (*chip_id >= 0);
 568 }
 569
 570 #define DRIVER_MAP_DRI2_ONLY
 571 #include "pci_ids/pci_id_driver_map.h"
 572 static const char *
 573 droid_get_driver_name(int fd)
 574 {
 575    int vendor_id = -1, chip_id = -1;
 576    int idx, i;
 577    char *name;
 578
 579    if (!droid_get_pci_id(fd, &vendor_id, &chip_id))
 580       return NULL;
 581
 582    for (idx = 0; driver_map[idx].driver; idx++) {
 583       if (vendor_id != driver_map[idx].vendor_id)
 584          continue;
 585
 586       if (driver_map[idx].num_chips_ids == -1)
 587          break;
 588
 589       for (i = 0; i < driver_map[idx].num_chips_ids; i++) {
 590          if (driver_map[idx].chip_ids[i] == chip_id)
 591             break;
 592       }
 593       if (i < driver_map[idx].num_chips_ids)
 594               break;
 595    }
 596
 597    _eglLog(_EGL_INFO, "pci id for fd %d: %04x:%04x, driver %s",
 598          fd, vendor_id, chip_id, driver_map[idx].driver);
 599
 600    return driver_map[idx].driver;
 601 }
 602
 603 static int
 604 droid_open_device(void)
 605 {
 606    const hw_module_t *mod;
 607    int fd = -1, err;
 608
 609    err = hw_get_module(GRALLOC_HARDWARE_MODULE_ID, &mod);
 610    if (!err) {
 611       const gralloc_module_t *gr = (gralloc_module_t *) mod;
 612
 613       err = -EINVAL;
 614       if (gr->perform)
 615          err = gr->perform(gr, GRALLOC_MODULE_PERFORM_GET_DRM_FD, &fd);
 616    }
 617    if (err || fd < 0) {
 618       _eglLog(_EGL_WARNING, "fail to get drm fd");
 619       fd = -1;
 620    }
 621
 622    return (fd >= 0) ? dup(fd) : -1;
 623 }
 624
 625 static void
 626 droid_log(EGLint level, const char *msg)
 627 {
 628    switch (level) {
 629    case _EGL_DEBUG:
 630       LOGD("%s", msg);
 631       break;
 632    case _EGL_INFO:
 633       LOGI("%s", msg);
 634       break;
 635    case _EGL_WARNING:
 636       LOGW("%s", msg);
 637       break;
 638    case _EGL_FATAL:
 639       LOG_FATAL("%s", msg);
 640       break;
 641    default:
 642       break;
 643    }
 644 }
 645
 646 EGLBoolean
 647 dri2_initialize_android(_EGLDriver *drv, _EGLDisplay *dpy)
 648 {
 649    struct dri2_egl_display *dri2_dpy;
 650    const char *err;
 651
 652    _eglSetLogProc(droid_log);
 653
 654    dri2_dpy = calloc(1, sizeof(*dri2_dpy));
 655    if (!dri2_dpy)
 656       return _eglError(EGL_BAD_ALLOC, "eglInitialize");
 657
 658    dpy->DriverData = (void *) dri2_dpy;
 659
 660    dri2_dpy->fd = droid_open_device();
 661    if (dri2_dpy->fd < 0) {
 662       err = "DRI2: failed to open device";
 663       goto cleanup_display;
 664    }
 665
 666    dri2_dpy->driver_name = (char *) droid_get_driver_name(dri2_dpy->fd);
 667    if (dri2_dpy->driver_name == NULL) {
 668       err = "DRI2: failed to get driver name";
 669       goto cleanup_device;
 670    }
 671
 672    if (!dri2_load_driver(dpy)) {
 673       err = "DRI2: failed to load driver";
 674       goto cleanup_device;
 675    }
 676
 677    dri2_dpy->dri2_loader_extension.base.name = __DRI_DRI2_LOADER;
 678    dri2_dpy->dri2_loader_extension.base.version = 3;
 679    dri2_dpy->dri2_loader_extension.getBuffers = NULL;
 680    dri2_dpy->dri2_loader_extension.flushFrontBuffer = droid_flush_front_buffer;
 681    dri2_dpy->dri2_loader_extension.getBuffersWithFormat =
 682       droid_get_buffers_with_format;
 683
 684    dri2_dpy->extensions[0] = &dri2_dpy->dri2_loader_extension.base;
 685    dri2_dpy->extensions[1] = &image_lookup_extension.base;
 686    dri2_dpy->extensions[2] = &use_invalidate.base;
 687    dri2_dpy->extensions[3] = NULL;
 688
 689    if (!dri2_create_screen(dpy)) {
 690       err = "DRI2: failed to create screen";
 691       goto cleanup_driver;
 692    }
 693
 694    if (!droid_add_configs_for_visuals(drv, dpy)) {
 695       err = "DRI2: failed to add configs";
 696       goto cleanup_screen;
 697    }
 698
 699    dpy->Extensions.ANDROID_image_native_buffer = EGL_TRUE;
 700    dpy->Extensions.KHR_image_base = EGL_TRUE;
 701
 702    /* we're supporting EGL 1.4 */
 703    dpy->VersionMajor = 1;
 704    dpy->VersionMinor = 4;
 705
 706    droid_init_driver_functions(drv);
 707
 708    return EGL_TRUE;
 709
 710 cleanup_screen:
 711    dri2_dpy->core->destroyScreen(dri2_dpy->dri_screen);
 712 cleanup_driver:
 713    dlclose(dri2_dpy->driver);
 714 cleanup_device:
 715    close(dri2_dpy->fd);
 716 cleanup_display:
 717    free(dri2_dpy);
 718
 719    return _eglError(EGL_NOT_INITIALIZED, err);
 720 }