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

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

Index: ui/ozone/platform/drm/gpu/drm_overlay_candidate.h
diff --git a/ui/ozone/platform/drm/gpu/drm_overlay_candidate.h b/ui/ozone/platform/drm/gpu/drm_overlay_candidate.h
new file mode 100644
index 0000000000000000000000000000000000000000..b508be7ea6dc73128817261a4d36b89c7034176a
--- /dev/null
+++ b/ui/ozone/platform/drm/gpu/drm_overlay_candidate.h
@@ -0,0 +1,60 @@
+// 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.
+
+#ifndef UI_OZONE_PLATFORM_DRM_GPU_DRM_OVERLAY_CANDIDATE_H_
+#define UI_OZONE_PLATFORM_DRM_GPU_DRM_OVERLAY_CANDIDATE_H_
+
+#include "base/macros.h"
+#include "ui/ozone/platform/drm/common/drm_util.h"
+#include "ui/ozone/platform/drm/gpu/overlay_plane.h"
+
+namespace ui {
+
+class DrmDevice;
+class DrmWindow;
+class HardwareDisplayController;
+class ScanoutBufferGenerator;
+struct OverlayCheck_Params;
+
+class DrmOverlayCandidate {
+ public:
+  explicit DrmOverlayCandidate(DrmWindow* window);
+  ~DrmOverlayCandidate();
+
+  std::vector<OverlayCheck_Params> TestPageFlip(
+      const std::vector<OverlayCheck_Params>& current_combination,
+      const std::vector<OverlayCheck_Params>& new_combination,
+      const OverlayPlaneList& last_used_planes,
+      ScanoutBufferGenerator* buffer_generator);
+
+  std::vector<OverlayCheck_Params> GetOverlayConfigurations() const;
+
+ private:
+  scoped_refptr<ScanoutBuffer> GetBufferForPageFlipTest(
+      ScanoutBufferGenerator* buffer_generator,
+      std::vector<scoped_refptr<ScanoutBuffer>>* reusable_buffers,
+      const gfx::Size& size,
+      gfx::BufferFormat buffer_format,
+      const scoped_refptr<DrmDevice>& drm);
+
+  void ValidateConfiguration(
+      ScanoutBufferGenerator* buffer_generator,
+      OverlayPlane* plane,
+      OverlayCheck_Params* param,
+      std::vector<scoped_refptr<ScanoutBuffer>>* reusable_buffers,
+      const OverlayPlane& primary_plane,
+      const scoped_refptr<DrmDevice>& drm_device);
+
+  void EvaluateBufferConfiguration(OverlayCheck_Params* param,
+                                   HardwareDisplayController* controller);
+
+  std::vector<OverlayCheck_Params> overlay_params_;
+
+  DrmWindow* window_;  // Not owned.
+  DISALLOW_COPY_AND_ASSIGN(DrmOverlayCandidate);
+};
+
+}  // namespace ui
+
+#endif  // UI_OZONE_PLATFORM_DRM_GPU_DRM_OVERLAY_CANDIDATE_H_