win8/metro_driver/direct3d_helper.h

   1 // Copyright 2012 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 #ifndef WIN8_METRO_DRIVER_DIRECT3D_HELPER_
   6 #define WIN8_METRO_DRIVER_DIRECT3D_HELPER_
   7
   8 #include "base/basictypes.h"
   9
  10 #include <windows.ui.core.h>
  11 #include <windows.foundation.h>
  12 #include <d3d11_1.h>
  13
  14 namespace metro_driver {
  15
  16 // We need to initalize a Direct3D device and swapchain so that the browser
  17 // can Present to our HWND. This class takes care of creating and keeping the
  18 // swapchain up to date.
  19 class Direct3DHelper {
  20  public:
  21   Direct3DHelper();
  22   ~Direct3DHelper();
  23
  24   void Initialize(winui::Core::ICoreWindow* window);
  25
  26  private:
  27   void CreateDeviceResources();
  28   void CreateWindowSizeDependentResources();
  29
  30   winui::Core::ICoreWindow* window_;
  31
  32   mswr::ComPtr<ID3D11Device1> d3d_device_;
  33   mswr::ComPtr<ID3D11DeviceContext1> d3d_context_;
  34   mswr::ComPtr<IDXGISwapChain1> swap_chain_;
  35   D3D_FEATURE_LEVEL feature_level_;
  36
  37   ABI::Windows::Foundation::Rect window_bounds_;
  38
  39   DISALLOW_COPY_AND_ASSIGN(Direct3DHelper);
  40 };
  41
  42 }  // namespace metro_driver
  43
  44 #endif  // WIN8_METRO_DRIVER_DIRECT3D_HELPER_