// Copyright 2018 The Cobalt Authors. All Rights Reserved.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
//     http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.

#ifndef STARBOARD_SHARED_WIN32_HARDWARE_DECODE_TARGET_INTERNAL_H_
#define STARBOARD_SHARED_WIN32_HARDWARE_DECODE_TARGET_INTERNAL_H_

#include <D3d11_1.h>
#include <mfidl.h>
#include <wrl/client.h>

#include "starboard/atomic.h"
#include "starboard/decode_target.h"
#include "starboard/shared/win32/decode_target_internal.h"

struct HardwareDecodeTargetPrivate : public SbDecodeTargetPrivate {
  template <typename T>
  using ComPtr = ::Microsoft::WRL::ComPtr<T>;

  // Return value of CreateTexture2D. Stored here to report exact error codes to
  // the video decoder when the call fails (b/257541360).
  HRESULT create_texture_2d_h_result;

  ComPtr<ID3D11Texture2D> d3d_texture;
  bool texture_RGBA_;

  // EGLSurface is defined as void* in "third_party/angle/include/EGL/egl.h".
  // Use void* directly here to avoid `egl.h` being included broadly.
  void* surface[2];

  HardwareDecodeTargetPrivate(
      const ComPtr<ID3D11Device>& d3d_device,
      const ComPtr<ID3D11VideoDevice1>& video_device,
      const ComPtr<ID3D11VideoContext>& video_context,
      const ComPtr<ID3D11VideoProcessorEnumerator>& video_enumerator,
      const ComPtr<ID3D11VideoProcessor>& video_processor,
      const ComPtr<IMFSample>& video_sample,
      const RECT& video_area,
      bool texture_RGBA);
  ~HardwareDecodeTargetPrivate() override;

  // Update the existing texture with the given video_sample's data.
  // If the current object is not compatible with the new video_sample, then
  // this will return false, and the caller should just create a new
  // decode target for the sample.
  bool Update(const ComPtr<ID3D11Device>& d3d_device,
              const ComPtr<ID3D11VideoDevice1>& video_device,
              const ComPtr<ID3D11VideoContext>& video_context,
              const ComPtr<ID3D11VideoProcessorEnumerator>& video_enumerator,
              const ComPtr<ID3D11VideoProcessor>& video_processor,
              const ComPtr<IMFSample>& video_sample,
              const RECT& video_area,
              bool texture_RGBA);
  void InitTextureRGBA();
  void InitTextureYUV();
};

#endif  // STARBOARD_SHARED_WIN32_HARDWARE_DECODE_TARGET_INTERNAL_H_