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    dri2_surf = calloc(1, sizeof *dri2_surf);
 153    if (!dri2_surf) {
 154       _eglError(EGL_BAD_ALLOC, "droid_create_surface");
 155       return NULL;
 156    }
 157
 158    if (!_eglInitSurface(&dri2_surf->base, disp, type, conf, attrib_list))
 159       goto cleanup_surface;
 160
 161    if (type == EGL_WINDOW_BIT) {
 162       int format;
 163
 164       if (!window || window->common.magic != ANDROID_NATIVE_WINDOW_MAGIC) {
 165          _eglError(EGL_BAD_NATIVE_WINDOW, "droid_create_surface");
 166          goto cleanup_surface;
 167       }
 168       if (window->query(window, NATIVE_WINDOW_FORMAT, &format)) {
 169          _eglError(EGL_BAD_NATIVE_WINDOW, "droid_create_surface");
 170          goto cleanup_surface;
 171       }
 172
 173       if (format != dri2_conf->base.NativeVisualID) {
 174          _eglLog(_EGL_WARNING, "Native format mismatch: 0x%x != 0x%x",
 175                format, dri2_conf->base.NativeVisualID);
 176       }
 177
 178       window->query(window, NATIVE_WINDOW_WIDTH, &dri2_surf->base.Width);
 179       window->query(window, NATIVE_WINDOW_HEIGHT, &dri2_surf->base.Height);
 180    }
 181
 182    dri2_surf->dri_drawable =
 183       (*dri2_dpy->dri2->createNewDrawable)(dri2_dpy->dri_screen,
 184                                            dri2_conf->dri_double_config,
 185                                            dri2_surf);
 186    if (dri2_surf->dri_drawable == NULL) {
 187       _eglError(EGL_BAD_ALLOC, "dri2->createNewDrawable");
 188       goto cleanup_surface;
 189    }
 190
 191    if (window) {
 192       window->common.incRef(&window->common);
 193       dri2_surf->window = window;
 194    }
 195
 196    return &dri2_surf->base;
 197
 198 cleanup_surface:
 199    free(dri2_surf);
 200
 201    return NULL;
 202 }
 203
 204 static _EGLSurface *
 205 droid_create_window_surface(_EGLDriver *drv, _EGLDisplay *disp,
 206                            _EGLConfig *conf, EGLNativeWindowType window,
 207                            const EGLint *attrib_list)
 208 {
 209    return droid_create_surface(drv, disp, EGL_WINDOW_BIT, conf,
 210                               window, attrib_list);
 211 }
 212
 213 static _EGLSurface *
 214 droid_create_pixmap_surface(_EGLDriver *drv, _EGLDisplay *disp,
 215                            _EGLConfig *conf, EGLNativePixmapType pixmap,
 216                            const EGLint *attrib_list)
 217 {
 218    return NULL;
 219 }
 220
 221 static _EGLSurface *
 222 droid_create_pbuffer_surface(_EGLDriver *drv, _EGLDisplay *disp,
 223                             _EGLConfig *conf, const EGLint *attrib_list)
 224 {
 225    return droid_create_surface(drv, disp, EGL_PBUFFER_BIT, conf,
 226                               NULL, attrib_list);
 227 }
 228
 229 static EGLBoolean
 230 droid_destroy_surface(_EGLDriver *drv, _EGLDisplay *disp, _EGLSurface *surf)
 231 {
 232    struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
 233    struct dri2_egl_surface *dri2_surf = dri2_egl_surface(surf);
 234
 235    if (!_eglPutSurface(surf))
 236       return EGL_TRUE;
 237
 238    droid_free_local_buffers(dri2_surf);
 239
 240    if (dri2_surf->base.Type == EGL_WINDOW_BIT) {
 241       if (dri2_surf->buffer)
 242          droid_window_cancel_buffer(dri2_surf);
 243
 244       dri2_surf->window->common.decRef(&dri2_surf->window->common);
 245    }
 246
 247    (*dri2_dpy->core->destroyDrawable)(dri2_surf->dri_drawable);
 248
 249    free(dri2_surf);
 250
 251    return EGL_TRUE;
 252 }
 253
 254 static EGLBoolean
 255 droid_swap_buffers(_EGLDriver *drv, _EGLDisplay *disp, _EGLSurface *draw)
 256 {
 257    struct dri2_egl_driver *dri2_drv = dri2_egl_driver(drv);
 258    struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
 259    struct dri2_egl_surface *dri2_surf = dri2_egl_surface(draw);
 260    _EGLContext *ctx;
 261
 262    if (dri2_surf->base.Type != EGL_WINDOW_BIT)
 263       return EGL_TRUE;
 264
 265    if (dri2_drv->glFlush) {
 266       ctx = _eglGetCurrentContext();
 267       if (ctx && ctx->DrawSurface == &dri2_surf->base)
 268          dri2_drv->glFlush();
 269    }
 270
 271    (*dri2_dpy->flush->flush)(dri2_surf->dri_drawable);
 272
 273    if (dri2_surf->buffer)
 274       droid_window_enqueue_buffer(dri2_surf);
 275
 276    (*dri2_dpy->flush->invalidate)(dri2_surf->dri_drawable);
 277
 278    return EGL_TRUE;
 279 }
 280
 281 static _EGLImage *
 282 dri2_create_image_android_native_buffer(_EGLDisplay *disp,
 283                                         struct android_native_buffer_t *buf)
 284 {
 285    struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
 286    struct dri2_egl_image *dri2_img;
 287    int name;
 288    EGLint format;
 289
 290    if (!buf || buf->common.magic != ANDROID_NATIVE_BUFFER_MAGIC ||
 291        buf->common.version != sizeof(*buf)) {
 292       _eglError(EGL_BAD_PARAMETER, "eglCreateEGLImageKHR");
 293       return NULL;
 294    }
 295
 296    name = get_native_buffer_name(buf);
 297    if (!name) {
 298       _eglError(EGL_BAD_PARAMETER, "eglCreateEGLImageKHR");
 299       return NULL;
 300    }
 301
 302    /* see the table in droid_add_configs_for_visuals */
 303    switch (buf->format) {
 304    case HAL_PIXEL_FORMAT_BGRA_8888:
 305       format = __DRI_IMAGE_FORMAT_ARGB8888;
 306       break;
 307    case HAL_PIXEL_FORMAT_RGB_565:
 308       format = __DRI_IMAGE_FORMAT_RGB565;
 309       break;
 310    case HAL_PIXEL_FORMAT_RGBA_8888:
 311       format = __DRI_IMAGE_FORMAT_ABGR8888;
 312       break;
 313    case HAL_PIXEL_FORMAT_RGBX_8888:
 314    case HAL_PIXEL_FORMAT_RGB_888:
 315    case HAL_PIXEL_FORMAT_RGBA_5551:
 316    case HAL_PIXEL_FORMAT_RGBA_4444:
 317       /* unsupported */
 318    default:
 319       _eglLog(_EGL_WARNING, "unsupported native buffer format 0x%x", buf->format);
 320       return NULL;
 321       break;
 322    }
 323
 324    dri2_img = calloc(1, sizeof(*dri2_img));
 325    if (!dri2_img) {
 326       _eglError(EGL_BAD_ALLOC, "droid_create_image_mesa_drm");
 327       return NULL;
 328    }
 329
 330    if (!_eglInitImage(&dri2_img->base, disp)) {
 331       free(dri2_img);
 332       return NULL;
 333    }
 334
 335    dri2_img->dri_image =
 336       dri2_dpy->image->createImageFromName(dri2_dpy->dri_screen,
 337                                            buf->width,
 338                                            buf->height,
 339                                            format,
 340                                            name,
 341                                            buf->stride,
 342                                            dri2_img);
 343    if (!dri2_img->dri_image) {
 344       free(dri2_img);
 345       _eglError(EGL_BAD_ALLOC, "droid_create_image_mesa_drm");
 346       return NULL;
 347    }
 348
 349    return &dri2_img->base;
 350 }
 351
 352 static _EGLImage *
 353 droid_create_image_khr(_EGLDriver *drv, _EGLDisplay *disp,
 354                        _EGLContext *ctx, EGLenum target,
 355                        EGLClientBuffer buffer, const EGLint *attr_list)
 356 {
 357    switch (target) {
 358    case EGL_NATIVE_BUFFER_ANDROID:
 359       return dri2_create_image_android_native_buffer(disp,
 360             (struct android_native_buffer_t *) buffer);
 361    default:
 362       return dri2_create_image_khr(drv, disp, ctx, target, buffer, attr_list);
 363    }
 364 }
 365
 366 static void
 367 droid_init_driver_functions(_EGLDriver *drv)
 368 {
 369    drv->API.CreateWindowSurface = droid_create_window_surface;
 370    drv->API.CreatePixmapSurface = droid_create_pixmap_surface;
 371    drv->API.CreatePbufferSurface = droid_create_pbuffer_surface;
 372    drv->API.DestroySurface = droid_destroy_surface;
 373    drv->API.SwapBuffers = droid_swap_buffers;
 374
 375    drv->API.CreateImageKHR = droid_create_image_khr;
 376 }
 377
 378 static void
 379 droid_flush_front_buffer(__DRIdrawable * driDrawable, void *loaderPrivate)
 380 {
 381 }
 382
 383 static int
 384 droid_get_buffers_parse_attachments(struct dri2_egl_surface *dri2_surf,
 385                                     unsigned int *attachments, int count)
 386 {
 387    int num_buffers = 0, i;
 388
 389    /* fill dri2_surf->buffers */
 390    for (i = 0; i < count * 2; i += 2) {
 391       __DRIbuffer *buf, *local;
 392
 393       assert(num_buffers < ARRAY_SIZE(dri2_surf->buffers));
 394       buf = &dri2_surf->buffers[num_buffers];
 395
 396       switch (attachments[i]) {
 397       case __DRI_BUFFER_BACK_LEFT:
 398          if (dri2_surf->base.Type == EGL_WINDOW_BIT) {
 399             buf->attachment = attachments[i];
 400             buf->name = get_native_buffer_name(dri2_surf->buffer);
 401             buf->cpp = get_format_bpp(dri2_surf->buffer->format);
 402             buf->pitch = dri2_surf->buffer->stride * buf->cpp;
 403             buf->flags = 0;
 404
 405             if (buf->name)
 406                num_buffers++;
 407
 408             break;
 409          }
 410          /* fall through for pbuffers */
 411       case __DRI_BUFFER_DEPTH:
 412       case __DRI_BUFFER_STENCIL:
 413       case __DRI_BUFFER_ACCUM:
 414       case __DRI_BUFFER_DEPTH_STENCIL:
 415       case __DRI_BUFFER_HIZ:
 416          local = droid_alloc_local_buffer(dri2_surf,
 417                attachments[i], attachments[i + 1]);
 418
 419          if (local) {
 420             *buf = *local;
 421             num_buffers++;
 422          }
 423          break;
 424       case __DRI_BUFFER_FRONT_LEFT:
 425       case __DRI_BUFFER_FRONT_RIGHT:
 426       case __DRI_BUFFER_FAKE_FRONT_LEFT:
 427       case __DRI_BUFFER_FAKE_FRONT_RIGHT:
 428       case __DRI_BUFFER_BACK_RIGHT:
 429       default:
 430          /* no front or right buffers */
 431          break;
 432       }
 433    }
 434
 435    return num_buffers;
 436 }
 437
 438 static __DRIbuffer *
 439 droid_get_buffers_with_format(__DRIdrawable * driDrawable,
 440                              int *width, int *height,
 441                              unsigned int *attachments, int count,
 442                              int *out_count, void *loaderPrivate)
 443 {
 444    struct dri2_egl_surface *dri2_surf = loaderPrivate;
 445    struct dri2_egl_display *dri2_dpy =
 446       dri2_egl_display(dri2_surf->base.Resource.Display);
 447    int i;
 448
 449    if (dri2_surf->base.Type == EGL_WINDOW_BIT) {
 450       /* try to dequeue the next back buffer */
 451       if (!dri2_surf->buffer && !droid_window_dequeue_buffer(dri2_surf))
 452          return NULL;
 453
 454       /* free outdated buffers and update the surface size */
 455       if (dri2_surf->base.Width != dri2_surf->buffer->width ||
 456           dri2_surf->base.Height != dri2_surf->buffer->height) {
 457          droid_free_local_buffers(dri2_surf);
 458          dri2_surf->base.Width = dri2_surf->buffer->width;
 459          dri2_surf->base.Height = dri2_surf->buffer->height;
 460       }
 461    }
 462
 463    dri2_surf->buffer_count =
 464       droid_get_buffers_parse_attachments(dri2_surf, attachments, count);
 465
 466    if (width)
 467       *width = dri2_surf->base.Width;
 468    if (height)
 469       *height = dri2_surf->base.Height;
 470
 471    *out_count = dri2_surf->buffer_count;;
 472
 473    return dri2_surf->buffers;
 474 }
 475
 476 static EGLBoolean
 477 droid_add_configs_for_visuals(_EGLDriver *drv, _EGLDisplay *dpy)
 478 {
 479    struct dri2_egl_display *dri2_dpy = dri2_egl_display(dpy);
 480    const struct {
 481       int format;
 482       int size;
 483       unsigned int rgba_masks[4];
 484    } visuals[] = {
 485       { HAL_PIXEL_FORMAT_RGBA_8888, 32, { 0xff, 0xff00, 0xff0000, 0xff000000 } },
 486       { HAL_PIXEL_FORMAT_RGBX_8888, 32, { 0xff, 0xff00, 0xff0000, 0x0 } },
 487       { HAL_PIXEL_FORMAT_RGB_888,   24, { 0xff, 0xff00, 0xff0000, 0x0 } },
 488       { HAL_PIXEL_FORMAT_RGB_565,   16, { 0xf800, 0x7e0, 0x1f, 0x0 } },
 489       { HAL_PIXEL_FORMAT_BGRA_8888, 32, { 0xff0000, 0xff00, 0xff, 0xff000000 } },
 490       { 0, 0, { 0, 0, 0, 0 } }
 491    };
 492    int count, i, j;
 493
 494    count = 0;
 495    for (i = 0; visuals[i].format; i++) {
 496       int format_count = 0;
 497
 498       for (j = 0; dri2_dpy->driver_configs[j]; j++) {
 499          const EGLint surface_type = EGL_WINDOW_BIT | EGL_PBUFFER_BIT;
 500          struct dri2_egl_config *dri2_conf;
 501
 502          dri2_conf = dri2_add_config(dpy, dri2_dpy->driver_configs[j],
 503                count + 1, visuals[i].size, surface_type, NULL,
 504                visuals[i].rgba_masks);
 505          if (dri2_conf) {
 506             dri2_conf->base.NativeVisualID = visuals[i].format;
 507             dri2_conf->base.NativeVisualType = visuals[i].format;
 508             count++;
 509             format_count++;
 510          }
 511       }
 512
 513       if (!format_count) {
 514          _eglLog(_EGL_DEBUG, "No DRI config supports native format 0x%x",
 515                visuals[i].format);
 516       }
 517    }
 518
 519    /* post-process configs */
 520    for (i = 0; i < dpy->Configs->Size; i++) {
 521       struct dri2_egl_config *dri2_conf = dri2_egl_config(dpy->Configs->Elements[i]);
 522
 523       /* there is no front buffer so no OpenGL */
 524       dri2_conf->base.RenderableType &= ~EGL_OPENGL_BIT;
 525       dri2_conf->base.Conformant &= ~EGL_OPENGL_BIT;
 526
 527       /*
 528        * We want to make sure GL_DRAW_BUFFER for windows or pbuffers is always
 529        * GL_BACK.  For EGL configs that do not have a double DRI config, clear
 530        * the surface type.
 531        *
 532        * This is just to be on the safe side.  dri2_add_config never sets
 533        * EGL_WINDOW_BIT or EGL_PBUFFER_BIT for such configs.
 534        */
 535       if (!dri2_conf->dri_double_config)
 536          dri2_conf->base.SurfaceType = 0;
 537    }
 538
 539    return (count != 0);
 540 }
 541
 542 static EGLBoolean
 543 droid_get_pci_id(int fd, int *vendor_id, int *chip_id)
 544 {
 545    drmVersionPtr version;
 546
 547    *chip_id = -1;
 548
 549    version = drmGetVersion(fd);
 550    if (!version) {
 551       _eglLog(_EGL_WARNING, "invalid drm fd");
 552       return EGL_FALSE;
 553    }
 554    if (!version->name) {
 555       _eglLog(_EGL_WARNING, "unable to determine the driver name");
 556       drmFreeVersion(version);
 557       return EGL_FALSE;
 558    }
 559
 560    if (strcmp(version->name, "i915") == 0) {
 561       struct drm_i915_getparam gp;
 562       int ret;
 563
 564       *vendor_id = 0x8086;
 565
 566       memset(&gp, 0, sizeof(gp));
 567       gp.param = I915_PARAM_CHIPSET_ID;
 568       gp.value = chip_id;
 569       ret = drmCommandWriteRead(fd, DRM_I915_GETPARAM, &gp, sizeof(gp));
 570       if (ret) {
 571          _eglLog(_EGL_WARNING, "failed to get param for i915");
 572          *chip_id = -1;
 573       }
 574    }
 575    else if (strcmp(version->name, "radeon") == 0) {
 576       struct drm_radeon_info info;
 577       int ret;
 578
 579       *vendor_id = 0x1002;
 580
 581       memset(&info, 0, sizeof(info));
 582       info.request = RADEON_INFO_DEVICE_ID;
 583       info.value = (unsigned long) chip_id;
 584       ret = drmCommandWriteRead(fd, DRM_RADEON_INFO, &info, sizeof(info));
 585       if (ret) {
 586          _eglLog(_EGL_WARNING, "failed to get info for radeon");
 587          *chip_id = -1;
 588       }
 589    }
 590    else if (strcmp(version->name, "nouveau") == 0) {
 591       *vendor_id = 0x10de;
 592       /* not used */
 593       *chip_id = 0;
 594    }
 595    else if (strcmp(version->name, "vmwgfx") == 0) {
 596       *vendor_id = 0x15ad;
 597       /* assume SVGA II */
 598       *chip_id = 0x0405;
 599    }
 600
 601    drmFreeVersion(version);
 602
 603    return (*chip_id >= 0);
 604 }
 605
 606 #define DRIVER_MAP_DRI2_ONLY
 607 #include "pci_ids/pci_id_driver_map.h"
 608 static const char *
 609 droid_get_driver_name(int fd)
 610 {
 611    int vendor_id = -1, chip_id = -1;
 612    int idx, i;
 613    char *name;
 614
 615    if (!droid_get_pci_id(fd, &vendor_id, &chip_id))
 616       return NULL;
 617
 618    for (idx = 0; driver_map[idx].driver; idx++) {
 619       if (vendor_id != driver_map[idx].vendor_id)
 620          continue;
 621
 622       if (driver_map[idx].num_chips_ids == -1)
 623          break;
 624
 625       for (i = 0; i < driver_map[idx].num_chips_ids; i++) {
 626          if (driver_map[idx].chip_ids[i] == chip_id)
 627             break;
 628       }
 629       if (i < driver_map[idx].num_chips_ids)
 630               break;
 631    }
 632
 633    _eglLog(_EGL_INFO, "pci id for fd %d: %04x:%04x, driver %s",
 634          fd, vendor_id, chip_id, driver_map[idx].driver);
 635
 636    return driver_map[idx].driver;
 637 }
 638
 639 static int
 640 droid_open_device(void)
 641 {
 642    const hw_module_t *mod;
 643    int fd = -1, err;
 644
 645    err = hw_get_module(GRALLOC_HARDWARE_MODULE_ID, &mod);
 646    if (!err) {
 647       const gralloc_module_t *gr = (gralloc_module_t *) mod;
 648
 649       err = -EINVAL;
 650       if (gr->perform)
 651          err = gr->perform(gr, GRALLOC_MODULE_PERFORM_GET_DRM_FD, &fd);
 652    }
 653    if (err || fd < 0) {
 654       _eglLog(_EGL_WARNING, "fail to get drm fd");
 655       fd = -1;
 656    }
 657
 658    return (fd >= 0) ? dup(fd) : -1;
 659 }
 660
 661 static void
 662 droid_log(EGLint level, const char *msg)
 663 {
 664    switch (level) {
 665    case _EGL_DEBUG:
 666       LOGD("%s", msg);
 667       break;
 668    case _EGL_INFO:
 669       LOGI("%s", msg);
 670       break;
 671    case _EGL_WARNING:
 672       LOGW("%s", msg);
 673       break;
 674    case _EGL_FATAL:
 675       LOG_FATAL("%s", msg);
 676       break;
 677    default:
 678       break;
 679    }
 680 }
 681
 682 EGLBoolean
 683 dri2_initialize_android(_EGLDriver *drv, _EGLDisplay *dpy)
 684 {
 685    struct dri2_egl_display *dri2_dpy;
 686    const char *err;
 687
 688    _eglSetLogProc(droid_log);
 689
 690    dri2_dpy = calloc(1, sizeof(*dri2_dpy));
 691    if (!dri2_dpy)
 692       return _eglError(EGL_BAD_ALLOC, "eglInitialize");
 693
 694    dpy->DriverData = (void *) dri2_dpy;
 695
 696    dri2_dpy->fd = droid_open_device();
 697    if (dri2_dpy->fd < 0) {
 698       err = "DRI2: failed to open device";
 699       goto cleanup_display;
 700    }
 701
 702    dri2_dpy->driver_name = (char *) droid_get_driver_name(dri2_dpy->fd);
 703    if (dri2_dpy->driver_name == NULL) {
 704       err = "DRI2: failed to get driver name";
 705       goto cleanup_device;
 706    }
 707
 708    if (!dri2_load_driver(dpy)) {
 709       err = "DRI2: failed to load driver";
 710       goto cleanup_device;
 711    }
 712
 713    dri2_dpy->dri2_loader_extension.base.name = __DRI_DRI2_LOADER;
 714    dri2_dpy->dri2_loader_extension.base.version = 3;
 715    dri2_dpy->dri2_loader_extension.getBuffers = NULL;
 716    dri2_dpy->dri2_loader_extension.flushFrontBuffer = droid_flush_front_buffer;
 717    dri2_dpy->dri2_loader_extension.getBuffersWithFormat =
 718       droid_get_buffers_with_format;
 719
 720    dri2_dpy->extensions[0] = &dri2_dpy->dri2_loader_extension.base;
 721    dri2_dpy->extensions[1] = &image_lookup_extension.base;
 722    dri2_dpy->extensions[2] = &use_invalidate.base;
 723    dri2_dpy->extensions[3] = NULL;
 724
 725    if (!dri2_create_screen(dpy)) {
 726       err = "DRI2: failed to create screen";
 727       goto cleanup_driver;
 728    }
 729
 730    if (!droid_add_configs_for_visuals(drv, dpy)) {
 731       err = "DRI2: failed to add configs";
 732       goto cleanup_screen;
 733    }
 734
 735    dpy->Extensions.ANDROID_image_native_buffer = EGL_TRUE;
 736    dpy->Extensions.KHR_image_base = EGL_TRUE;
 737
 738    /* we're supporting EGL 1.4 */
 739    dpy->VersionMajor = 1;
 740    dpy->VersionMinor = 4;
 741
 742    droid_init_driver_functions(drv);
 743
 744    return EGL_TRUE;
 745
 746 cleanup_screen:
 747    dri2_dpy->core->destroyScreen(dri2_dpy->dri_screen);
 748 cleanup_driver:
 749    dlclose(dri2_dpy->driver);
 750 cleanup_device:
 751    close(dri2_dpy->fd);
 752 cleanup_display:
 753    free(dri2_dpy);
 754
 755    return _eglError(EGL_NOT_INITIALIZED, err);
 756 }