meson.c

   1 /*
   2  * Copyright 2018 The Chromium OS Authors. All rights reserved.
   3  * Use of this source code is governed by a BSD-style license that can be
   4  * found in the LICENSE file.
   5  */
   6
   7 #ifdef DRV_MESON
   8
   9 #include "drv_priv.h"
  10 #include "helpers.h"
  11 #include "util.h"
  12
  13 static const uint32_t scanout_render_formats[] = { DRM_FORMAT_ARGB8888, DRM_FORMAT_XRGB8888,
  14                                                    DRM_FORMAT_ABGR8888, DRM_FORMAT_XBGR8888,
  15                                                    DRM_FORMAT_BGR888,   DRM_FORMAT_BGR565 };
  16
  17 static const uint32_t texture_only_formats[] = { DRM_FORMAT_NV12, DRM_FORMAT_NV21,
  18                                                  DRM_FORMAT_YVU420, DRM_FORMAT_YVU420_ANDROID };
  19
  20 static int meson_init(struct driver *drv)
  21 {
  22         drv_add_combinations(drv, scanout_render_formats, ARRAY_SIZE(scanout_render_formats),
  23                              &LINEAR_METADATA, BO_USE_RENDER_MASK | BO_USE_SCANOUT);
  24
  25         drv_add_combinations(drv, texture_only_formats, ARRAY_SIZE(texture_only_formats),
  26                              &LINEAR_METADATA, BO_USE_TEXTURE_MASK);
  27
  28         drv_modify_combination(drv, DRM_FORMAT_NV12, &LINEAR_METADATA,
  29                                BO_USE_HW_VIDEO_ENCODER | BO_USE_HW_VIDEO_DECODER |
  30                                    BO_USE_CAMERA_READ | BO_USE_CAMERA_WRITE);
  31         drv_modify_combination(drv, DRM_FORMAT_NV21, &LINEAR_METADATA, BO_USE_HW_VIDEO_ENCODER);
  32
  33         return drv_modify_linear_combinations(drv);
  34 }
  35
  36 const struct backend backend_meson = {
  37         .name = "meson",
  38         .init = meson_init,
  39         .bo_create = drv_dumb_bo_create,
  40         .bo_destroy = drv_dumb_bo_destroy,
  41         .bo_import = drv_prime_bo_import,
  42         .bo_map = drv_dumb_bo_map,
  43         .bo_unmap = drv_bo_munmap,
  44 };
  45
  46 #endif