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

ui/ozone/platform/drm/gpu/drm_window.h

 // 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.
 
 #ifndef UI_OZONE_PLATFORM_DRM_GPU_DRM_WINDOW_H_
 #define UI_OZONE_PLATFORM_DRM_GPU_DRM_WINDOW_H_
 
 #include <vector>
 
 #include "base/timer/timer.h"
@@ skipping 12 matching lines @@
 namespace gfx {
 class Point;
 class Rect;
 }  // namespace gfx
 
 namespace ui {
 
 class DrmBuffer;
 class DrmDevice;
 class DrmDeviceManager;
+class DrmOverlayCandidate;
 class HardwareDisplayController;
 struct OverlayCheck_Params;
 class ScanoutBufferGenerator;
 class ScreenManager;
 
 // The GPU object representing a window.
 //
 // The main purpose of this object is to associate drawing surfaces with
 // displays. A surface created with the same id as the window (from
 // GetAcceleratedWidget()) will paint onto that window. A window with
@@ skipping 37 matching lines @@
   // the bitmap is empty, the cursor is hidden.
   void SetCursorWithoutAnimations(const std::vector<SkBitmap>& bitmaps,
                                   const gfx::Point& location);
 
   // Move the HW cursor to the specified location.
   void MoveCursor(const gfx::Point& location);
 
   void SchedulePageFlip(const std::vector<OverlayPlane>& planes,
                         const SwapCompletionCallback& callback);
   std::vector<OverlayCheck_Params> TestPageFlip(
-      const std::vector<OverlayCheck_Params>& planes,
+      const std::vector<OverlayCheck_Params>& current_combination,
+      const std::vector<OverlayCheck_Params>& new_combination,
       ScanoutBufferGenerator* buffer_generator);
 
   // Returns the last buffer associated with this window.
   const OverlayPlane* GetLastModesetBuffer();
 
   void GetVSyncParameters(
       const gfx::VSyncProvider::UpdateVSyncCallback& callback) const;
 
+  // Returns optimal buffer configuration for the expected OverlayCandidates
+  // which can be supported by the display on which this window is shown.
+  void GetOverlayBufferConfigurations(
+      const OverlayParamCallback& callback) const;
+
  private:
   // Draw the last set cursor & update the cursor plane.
   void ResetCursor(bool bitmap_only);
 
   // Draw next frame in an animated cursor.
   void OnCursorAnimationTimeout();
 
   // When |controller_| changes this is called to reallocate the cursor buffers
   // since the allocation DRM device may have changed.
   void UpdateCursorBuffers();
 
   gfx::AcceleratedWidget widget_;
 
   DrmDeviceManager* device_manager_;  // Not owned.
   ScreenManager* screen_manager_;     // Not owned.
 
   // The current bounds of the window.
   gfx::Rect bounds_;
 
   // The controller associated with the current window. This may be nullptr if
   // the window isn't over an active display.
   HardwareDisplayController* controller_ = nullptr;
+  scoped_ptr<DrmOverlayCandidate> overlay_validator_;
 
   base::RepeatingTimer cursor_timer_;
 
   scoped_refptr<DrmBuffer> cursor_buffers_[2];
   int cursor_frontbuffer_ = 0;
 
   std::vector<SkBitmap> cursor_bitmaps_;
   gfx::Point cursor_location_;
   int cursor_frame_ = 0;
   int cursor_frame_delay_ms_ = 0;
 
   OverlayPlaneList last_submitted_planes_;
 
   bool force_buffer_reallocation_ = false;
 
   DISALLOW_COPY_AND_ASSIGN(DrmWindow);
 };
 
 }  // namespace ui
 
 #endif  // UI_OZONE_PLATFORM_DRM_GPU_DRM_WINDOW_H_