Ozone: Dont hardcode format to YUV when using Overlay Composition.

ui/ozone/platform/drm/gpu/hardware_display_plane_manager.cc

 // Copyright 2014 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 "ui/ozone/platform/drm/gpu/hardware_display_plane_manager.h"
 
 #include <drm_fourcc.h>
 
 #include <set>
 
@@ skipping 279 matching lines @@
 
   std::vector<uint32_t> plane_ids;
   for (auto* hardware_plane : planes_) {
     if (IsCompatible(hardware_plane, plane, crtc_index))
       plane_ids.push_back(hardware_plane->plane_id());
   }
 
   return plane_ids;
 }
 
+bool HardwareDisplayPlaneManager::IsFormatSupported(uint32_t fourcc_format,
+                                                    uint32_t z_order,
+                                                    uint32_t crtc_id) const {
+  int crtc_index = LookupCrtcIndex(crtc_id);
+  if (crtc_index < 0) {
+    LOG(ERROR) << "Cannot find crtc " << crtc_id;
+    return false;
+  }
+
+  // We dont have a way to query the z_order of a plane. This is a temporary
+  // solution till driver exposes z_order property.
+  uint32_t plane_z_order = 0;
+  for (auto* hardware_plane : planes_) {
+    if (plane_z_order > z_order)
+      break;
+
+    if (!hardware_plane->CanUseForCrtc(crtc_index))
+      continue;
+
+    if (plane_z_order != z_order) {
+      plane_z_order++;
+      continue;
+    }
+
+    if (hardware_plane->IsSupportedFormat(fourcc_format))
+      return true;
+  }
+
+  return false;
+}
+
 }  // namespace ui