Add NV12 buffer scanout support from exo to ozone.

components/exo/wayland/server.cc

 // Copyright 2015 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "components/exo/wayland/server.h"
 
 #include <grp.h>
 #include <linux/input.h>
 #include <stddef.h>
 #include <stdint.h>
@@ skipping 455 matching lines @@
 
 const struct drm_supported_format {
   uint32_t drm_format;
   gfx::BufferFormat buffer_format;
 } drm_supported_formats[] = {
     {WL_DRM_FORMAT_RGB565, gfx::BufferFormat::BGR_565},
     {WL_DRM_FORMAT_XBGR8888, gfx::BufferFormat::RGBX_8888},
     {WL_DRM_FORMAT_ABGR8888, gfx::BufferFormat::RGBA_8888},
     {WL_DRM_FORMAT_XRGB8888, gfx::BufferFormat::BGRX_8888},
     {WL_DRM_FORMAT_ARGB8888, gfx::BufferFormat::BGRA_8888},
+    {WL_DRM_FORMAT_NV12, gfx::BufferFormat::YUV_420_BIPLANAR},
     {WL_DRM_FORMAT_YVU420, gfx::BufferFormat::YVU_420}};
 
 void drm_authenticate(wl_client* client, wl_resource* resource, uint32_t id) {
   wl_drm_send_authenticated(resource);
 }
 
 void drm_create_buffer(wl_client* client,
                        wl_resource* resource,
                        uint32_t id,
                        uint32_t name,
@@ skipping 2642 matching lines @@
   DCHECK(event_loop);
   wl_event_loop_dispatch(event_loop, timeout.InMilliseconds());
 }
 
 void Server::Flush() {
   wl_display_flush_clients(wl_display_.get());
 }
 
 }  // namespace wayland
 }  // namespace exo