Detect HDR capability

gpu/ipc/service/direct_composition_surface_win.h

 // Copyright 2017 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 GPU_IPC_SERVICE_DIRECT_COMPOSITION_SURFACE_WIN_H_
 #define GPU_IPC_SERVICE_DIRECT_COMPOSITION_SURFACE_WIN_H_
 
 #include <d3d11.h>
 #include <dcomp.h>
 #include <windows.h>
@@ skipping 16 matching lines @@
  public:
   DirectCompositionSurfaceWin(
       std::unique_ptr<gfx::VSyncProvider> vsync_provider,
       base::WeakPtr<ImageTransportSurfaceDelegate> delegate,
       HWND parent_window);
 
   // Returns true if there's an output on the current adapter that can
   // use overlays.
   static bool AreOverlaysSupported();
 
+  // Returns true if there is an HDR capable display connected.
+  static bool IsHDRSupported();
+
   bool InitializeNativeWindow();
 
   // GLSurfaceEGL implementation.
   using GLSurfaceEGL::Initialize;
   bool Initialize(gl::GLSurfaceFormat format) override;
   void Destroy() override;
   gfx::Size GetSize() override;
   bool IsOffscreen() override;
   void* GetHandle() override;
   bool Resize(const gfx::Size& size,
@@ skipping 52 matching lines @@
 
   base::win::ScopedComPtr<ID3D11Device> d3d11_device_;
   base::win::ScopedComPtr<IDCompositionDevice2> dcomp_device_;
 
   DISALLOW_COPY_AND_ASSIGN(DirectCompositionSurfaceWin);
 };
 
 }  // namespace gpu
 
 #endif  // GPU_IPC_SERVICE_DIRECT_COMPOSITION_SURFACE_WIN_H_