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 ANativeWindowBuffer *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 ANativeWindowBuffer *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       format = __DRI_IMAGE_FORMAT_XBGR8888;
 315       break;
 316    case HAL_PIXEL_FORMAT_RGB_888:
 317    case HAL_PIXEL_FORMAT_RGBA_5551:
 318    case HAL_PIXEL_FORMAT_RGBA_4444:
 319       /* unsupported */
 320    default:
 321       _eglLog(_EGL_WARNING, "unsupported native buffer format 0x%x", buf->format);
 322       return NULL;
 323       break;
 324    }
 325
 326    dri2_img = calloc(1, sizeof(*dri2_img));
 327    if (!dri2_img) {
 328       _eglError(EGL_BAD_ALLOC, "droid_create_image_mesa_drm");
 329       return NULL;
 330    }
 331
 332    if (!_eglInitImage(&dri2_img->base, disp)) {
 333       free(dri2_img);
 334       return NULL;
 335    }
 336
 337    dri2_img->dri_image =
 338       dri2_dpy->image->createImageFromName(dri2_dpy->dri_screen,
 339                                            buf->width,
 340                                            buf->height,
 341                                            format,
 342                                            name,
 343                                            buf->stride,
 344                                            dri2_img);
 345    if (!dri2_img->dri_image) {
 346       free(dri2_img);
 347       _eglError(EGL_BAD_ALLOC, "droid_create_image_mesa_drm");
 348       return NULL;
 349    }
 350
 351    return &dri2_img->base;
 352 }
 353
 354 static _EGLImage *
 355 droid_create_image_khr(_EGLDriver *drv, _EGLDisplay *disp,
 356                        _EGLContext *ctx, EGLenum target,
 357                        EGLClientBuffer buffer, const EGLint *attr_list)
 358 {
 359    switch (target) {
 360    case EGL_NATIVE_BUFFER_ANDROID:
 361       return dri2_create_image_android_native_buffer(disp,
 362             (struct ANativeWindowBuffer *) buffer);
 363    default:
 364       return dri2_create_image_khr(drv, disp, ctx, target, buffer, attr_list);
 365    }
 366 }
 367
 368 static void
 369 droid_init_driver_functions(_EGLDriver *drv)
 370 {
 371    drv->API.CreateWindowSurface = droid_create_window_surface;
 372    drv->API.CreatePixmapSurface = droid_create_pixmap_surface;
 373    drv->API.CreatePbufferSurface = droid_create_pbuffer_surface;
 374    drv->API.DestroySurface = droid_destroy_surface;
 375    drv->API.SwapBuffers = droid_swap_buffers;
 376
 377    drv->API.CreateImageKHR = droid_create_image_khr;
 378 }
 379
 380 static void
 381 droid_flush_front_buffer(__DRIdrawable * driDrawable, void *loaderPrivate)
 382 {
 383 }
 384
 385 static int
 386 droid_get_buffers_parse_attachments(struct dri2_egl_surface *dri2_surf,
 387                                     unsigned int *attachments, int count)
 388 {
 389    int num_buffers = 0, i;
 390
 391    /* fill dri2_surf->buffers */
 392    for (i = 0; i < count * 2; i += 2) {
 393       __DRIbuffer *buf, *local;
 394
 395       assert(num_buffers < ARRAY_SIZE(dri2_surf->buffers));
 396       buf = &dri2_surf->buffers[num_buffers];
 397
 398       switch (attachments[i]) {
 399       case __DRI_BUFFER_BACK_LEFT:
 400          if (dri2_surf->base.Type == EGL_WINDOW_BIT) {
 401             buf->attachment = attachments[i];
 402             buf->name = get_native_buffer_name(dri2_surf->buffer);
 403             buf->cpp = get_format_bpp(dri2_surf->buffer->format);
 404             buf->pitch = dri2_surf->buffer->stride * buf->cpp;
 405             buf->flags = 0;
 406
 407             if (buf->name)
 408                num_buffers++;
 409
 410             break;
 411          }
 412          /* fall through for pbuffers */
 413       case __DRI_BUFFER_DEPTH:
 414       case __DRI_BUFFER_STENCIL:
 415       case __DRI_BUFFER_ACCUM:
 416       case __DRI_BUFFER_DEPTH_STENCIL:
 417       case __DRI_BUFFER_HIZ:
 418          local = droid_alloc_local_buffer(dri2_surf,
 419                attachments[i], attachments[i + 1]);
 420
 421          if (local) {
 422             *buf = *local;
 423             num_buffers++;
 424          }
 425          break;
 426       case __DRI_BUFFER_FRONT_LEFT:
 427       case __DRI_BUFFER_FRONT_RIGHT:
 428       case __DRI_BUFFER_FAKE_FRONT_LEFT:
 429       case __DRI_BUFFER_FAKE_FRONT_RIGHT:
 430       case __DRI_BUFFER_BACK_RIGHT:
 431       default:
 432          /* no front or right buffers */
 433          break;
 434       }
 435    }
 436
 437    return num_buffers;
 438 }
 439
 440 static __DRIbuffer *
 441 droid_get_buffers_with_format(__DRIdrawable * driDrawable,
 442                              int *width, int *height,
 443                              unsigned int *attachments, int count,
 444                              int *out_count, void *loaderPrivate)
 445 {
 446    struct dri2_egl_surface *dri2_surf = loaderPrivate;
 447    struct dri2_egl_display *dri2_dpy =
 448       dri2_egl_display(dri2_surf->base.Resource.Display);
 449    int i;
 450
 451    if (dri2_surf->base.Type == EGL_WINDOW_BIT) {
 452       /* try to dequeue the next back buffer */
 453       if (!dri2_surf->buffer && !droid_window_dequeue_buffer(dri2_surf))
 454          return NULL;
 455
 456       /* free outdated buffers and update the surface size */
 457       if (dri2_surf->base.Width != dri2_surf->buffer->width ||
 458           dri2_surf->base.Height != dri2_surf->buffer->height) {
 459          droid_free_local_buffers(dri2_surf);
 460          dri2_surf->base.Width = dri2_surf->buffer->width;
 461          dri2_surf->base.Height = dri2_surf->buffer->height;
 462       }
 463    }
 464
 465    dri2_surf->buffer_count =
 466       droid_get_buffers_parse_attachments(dri2_surf, attachments, count);
 467
 468    if (width)
 469       *width = dri2_surf->base.Width;
 470    if (height)
 471       *height = dri2_surf->base.Height;
 472
 473    *out_count = dri2_surf->buffer_count;;
 474
 475    return dri2_surf->buffers;
 476 }
 477
 478 static EGLBoolean
 479 droid_add_configs_for_visuals(_EGLDriver *drv, _EGLDisplay *dpy)
 480 {
 481    struct dri2_egl_display *dri2_dpy = dri2_egl_display(dpy);
 482    const struct {
 483       int format;
 484       int size;
 485       unsigned int rgba_masks[4];
 486    } visuals[] = {
 487       { HAL_PIXEL_FORMAT_RGBA_8888, 32, { 0xff, 0xff00, 0xff0000, 0xff000000 } },
 488       { HAL_PIXEL_FORMAT_RGBX_8888, 32, { 0xff, 0xff00, 0xff0000, 0x0 } },
 489       { HAL_PIXEL_FORMAT_RGB_888,   24, { 0xff, 0xff00, 0xff0000, 0x0 } },
 490       { HAL_PIXEL_FORMAT_RGB_565,   16, { 0xf800, 0x7e0, 0x1f, 0x0 } },
 491       { HAL_PIXEL_FORMAT_BGRA_8888, 32, { 0xff0000, 0xff00, 0xff, 0xff000000 } },
 492       { 0, 0, { 0, 0, 0, 0 } }
 493    };
 494    int count, i, j;
 495
 496    count = 0;
 497    for (i = 0; visuals[i].format; i++) {
 498       int format_count = 0;
 499
 500       for (j = 0; dri2_dpy->driver_configs[j]; j++) {
 501          const EGLint surface_type = EGL_WINDOW_BIT | EGL_PBUFFER_BIT;
 502          struct dri2_egl_config *dri2_conf;
 503
 504          dri2_conf = dri2_add_config(dpy, dri2_dpy->driver_configs[j],
 505                count + 1, visuals[i].size, surface_type, NULL,
 506                visuals[i].rgba_masks);
 507          if (dri2_conf) {
 508             dri2_conf->base.NativeVisualID = visuals[i].format;
 509             dri2_conf->base.NativeVisualType = visuals[i].format;
 510             count++;
 511             format_count++;
 512          }
 513       }
 514
 515       if (!format_count) {
 516          _eglLog(_EGL_DEBUG, "No DRI config supports native format 0x%x",
 517                visuals[i].format);
 518       }
 519    }
 520
 521    /* post-process configs */
 522    for (i = 0; i < dpy->Configs->Size; i++) {
 523       struct dri2_egl_config *dri2_conf = dri2_egl_config(dpy->Configs->Elements[i]);
 524
 525       /* there is no front buffer so no OpenGL */
 526       dri2_conf->base.RenderableType &= ~EGL_OPENGL_BIT;
 527       dri2_conf->base.Conformant &= ~EGL_OPENGL_BIT;
 528
 529       /*
 530        * We want to make sure GL_DRAW_BUFFER for windows or pbuffers is always
 531        * GL_BACK.  For EGL configs that do not have a double DRI config, clear
 532        * the surface type.
 533        *
 534        * This is just to be on the safe side.  dri2_add_config never sets
 535        * EGL_WINDOW_BIT or EGL_PBUFFER_BIT for such configs.
 536        */
 537       if (!dri2_conf->dri_double_config)
 538          dri2_conf->base.SurfaceType = 0;
 539    }
 540
 541    return (count != 0);
 542 }
 543
 544 static EGLBoolean
 545 droid_get_pci_id(int fd, int *vendor_id, int *chip_id)
 546 {
 547    drmVersionPtr version;
 548
 549    *chip_id = -1;
 550
 551    version = drmGetVersion(fd);
 552    if (!version) {
 553       _eglLog(_EGL_WARNING, "invalid drm fd");
 554       return EGL_FALSE;
 555    }
 556    if (!version->name) {
 557       _eglLog(_EGL_WARNING, "unable to determine the driver name");
 558       drmFreeVersion(version);
 559       return EGL_FALSE;
 560    }
 561
 562    if (strcmp(version->name, "i915") == 0) {
 563       struct drm_i915_getparam gp;
 564       int ret;
 565
 566       *vendor_id = 0x8086;
 567
 568       memset(&gp, 0, sizeof(gp));
 569       gp.param = I915_PARAM_CHIPSET_ID;
 570       gp.value = chip_id;
 571       ret = drmCommandWriteRead(fd, DRM_I915_GETPARAM, &gp, sizeof(gp));
 572       if (ret) {
 573          _eglLog(_EGL_WARNING, "failed to get param for i915");
 574          *chip_id = -1;
 575       }
 576    }
 577    else if (strcmp(version->name, "radeon") == 0) {
 578       struct drm_radeon_info info;
 579       int ret;
 580
 581       *vendor_id = 0x1002;
 582
 583       memset(&info, 0, sizeof(info));
 584       info.request = RADEON_INFO_DEVICE_ID;
 585       info.value = (unsigned long) chip_id;
 586       ret = drmCommandWriteRead(fd, DRM_RADEON_INFO, &info, sizeof(info));
 587       if (ret) {
 588          _eglLog(_EGL_WARNING, "failed to get info for radeon");
 589          *chip_id = -1;
 590       }
 591    }
 592    else if (strcmp(version->name, "nouveau") == 0) {
 593       *vendor_id = 0x10de;
 594       /* not used */
 595       *chip_id = 0;
 596    }
 597    else if (strcmp(version->name, "vmwgfx") == 0) {
 598       *vendor_id = 0x15ad;
 599       /* assume SVGA II */
 600       *chip_id = 0x0405;
 601    }
 602
 603    drmFreeVersion(version);
 604
 605    return (*chip_id >= 0);
 606 }
 607
 608 #define DRIVER_MAP_DRI2_ONLY
 609 #include "pci_ids/pci_id_driver_map.h"
 610 static const char *
 611 droid_get_driver_name(int fd)
 612 {
 613    int vendor_id = -1, chip_id = -1;
 614    int idx, i;
 615    char *name;
 616
 617    if (!droid_get_pci_id(fd, &vendor_id, &chip_id))
 618       return NULL;
 619
 620    for (idx = 0; driver_map[idx].driver; idx++) {
 621       if (vendor_id != driver_map[idx].vendor_id)
 622          continue;
 623
 624       if (driver_map[idx].num_chips_ids == -1)
 625          break;
 626
 627       for (i = 0; i < driver_map[idx].num_chips_ids; i++) {
 628          if (driver_map[idx].chip_ids[i] == chip_id)
 629             break;
 630       }
 631       if (i < driver_map[idx].num_chips_ids)
 632               break;
 633    }
 634
 635    _eglLog(_EGL_INFO, "pci id for fd %d: %04x:%04x, driver %s",
 636          fd, vendor_id, chip_id, driver_map[idx].driver);
 637
 638    return driver_map[idx].driver;
 639 }
 640
 641 static int
 642 droid_open_device(void)
 643 {
 644    const hw_module_t *mod;
 645    int fd = -1, err;
 646
 647    err = hw_get_module(GRALLOC_HARDWARE_MODULE_ID, &mod);
 648    if (!err) {
 649       const gralloc_module_t *gr = (gralloc_module_t *) mod;
 650
 651       err = -EINVAL;
 652       if (gr->perform)
 653          err = gr->perform(gr, GRALLOC_MODULE_PERFORM_GET_DRM_FD, &fd);
 654    }
 655    if (err || fd < 0) {
 656       _eglLog(_EGL_WARNING, "fail to get drm fd");
 657       fd = -1;
 658    }
 659
 660    return (fd >= 0) ? dup(fd) : -1;
 661 }
 662
 663 static void
 664 droid_log(EGLint level, const char *msg)
 665 {
 666    switch (level) {
 667    case _EGL_DEBUG:
 668       LOGD("%s", msg);
 669       break;
 670    case _EGL_INFO:
 671       LOGI("%s", msg);
 672       break;
 673    case _EGL_WARNING:
 674       LOGW("%s", msg);
 675       break;
 676    case _EGL_FATAL:
 677       LOG_FATAL("%s", msg);
 678       break;
 679    default:
 680       break;
 681    }
 682 }
 683
 684 EGLBoolean
 685 dri2_initialize_android(_EGLDriver *drv, _EGLDisplay *dpy)
 686 {
 687    struct dri2_egl_display *dri2_dpy;
 688    const char *err;
 689
 690    _eglSetLogProc(droid_log);
 691
 692    dri2_dpy = calloc(1, sizeof(*dri2_dpy));
 693    if (!dri2_dpy)
 694       return _eglError(EGL_BAD_ALLOC, "eglInitialize");
 695
 696    dpy->DriverData = (void *) dri2_dpy;
 697
 698    dri2_dpy->fd = droid_open_device();
 699    if (dri2_dpy->fd < 0) {
 700       err = "DRI2: failed to open device";
 701       goto cleanup_display;
 702    }
 703
 704    dri2_dpy->driver_name = (char *) droid_get_driver_name(dri2_dpy->fd);
 705    if (dri2_dpy->driver_name == NULL) {
 706       err = "DRI2: failed to get driver name";
 707       goto cleanup_device;
 708    }
 709
 710    if (!dri2_load_driver(dpy)) {
 711       err = "DRI2: failed to load driver";
 712       goto cleanup_device;
 713    }
 714
 715    dri2_dpy->dri2_loader_extension.base.name = __DRI_DRI2_LOADER;
 716    dri2_dpy->dri2_loader_extension.base.version = 3;
 717    dri2_dpy->dri2_loader_extension.getBuffers = NULL;
 718    dri2_dpy->dri2_loader_extension.flushFrontBuffer = droid_flush_front_buffer;
 719    dri2_dpy->dri2_loader_extension.getBuffersWithFormat =
 720       droid_get_buffers_with_format;
 721
 722    dri2_dpy->extensions[0] = &dri2_dpy->dri2_loader_extension.base;
 723    dri2_dpy->extensions[1] = &image_lookup_extension.base;
 724    dri2_dpy->extensions[2] = &use_invalidate.base;
 725    dri2_dpy->extensions[3] = NULL;
 726
 727    if (!dri2_create_screen(dpy)) {
 728       err = "DRI2: failed to create screen";
 729       goto cleanup_driver;
 730    }
 731
 732    if (!droid_add_configs_for_visuals(drv, dpy)) {
 733       err = "DRI2: failed to add configs";
 734       goto cleanup_screen;
 735    }
 736
 737    dpy->Extensions.ANDROID_image_native_buffer = EGL_TRUE;
 738    dpy->Extensions.KHR_image_base = EGL_TRUE;
 739
 740    /* we're supporting EGL 1.4 */
 741    dpy->VersionMajor = 1;
 742    dpy->VersionMinor = 4;
 743
 744    droid_init_driver_functions(drv);
 745
 746    return EGL_TRUE;
 747
 748 cleanup_screen:
 749    dri2_dpy->core->destroyScreen(dri2_dpy->dri_screen);
 750 cleanup_driver:
 751    dlclose(dri2_dpy->driver);
 752 cleanup_device:
 753    close(dri2_dpy->fd);
 754 cleanup_display:
 755    free(dri2_dpy);
 756
 757    return _eglError(EGL_NOT_INITIALIZED, err);
 758 }