ozone: Allocate scanout buffers according to KMS modifiers.

ui/ozone/platform/drm/gpu/crtc_controller.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/crtc_controller.h"
 
 #include "base/logging.h"
 #include "base/time/time.h"
 #include "ui/ozone/platform/drm/gpu/drm_device.h"
 #include "ui/ozone/platform/drm/gpu/page_flip_request.h"
@@ skipping 102 matching lines @@
 
   return true;
 }
 
 bool CrtcController::IsFormatSupported(uint32_t fourcc_format,
                                        uint32_t z_order) const {
   return drm_->plane_manager()->IsFormatSupported(fourcc_format, z_order,
                                                   crtc_);
 }
 
+std::vector<uint64_t> CrtcController::GetFormatModifiers(uint32_t format) {
+  return drm_->plane_manager()->GetFormatModifiers(crtc_, format);
+}
+
 void CrtcController::OnPageFlipEvent(unsigned int frame,
                                      unsigned int seconds,
                                      unsigned int useconds) {
   time_of_last_flip_ =
       static_cast<uint64_t>(seconds) * base::Time::kMicrosecondsPerSecond +
       useconds;
 
   SignalPageFlipRequest(gfx::SwapResult::SWAP_ACK);
 }
 
@@ skipping 33 matching lines @@
     current_planes_.swap(pending_planes_);
 
   pending_planes_.clear();
 
   scoped_refptr<PageFlipRequest> request;
   request.swap(page_flip_request_);
   request->Signal(result);
 }
 
 }  // namespace ui