#pragma region CPL License
/*
Nuclex Engine
Copyright (C) 2002-2008 Nuclex Development Labs

This library is free software; you can redistribute it and/or
modify it under the terms of the IBM Common Public License as
published by the IBM Corporation; either version 1.0 of the
License, or (at your option) any later version.

This library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
IBM Common Public License for more details.

You should have received a copy of the IBM Common Public
License along with this library
*/
#pragma endregion

#ifndef NUCLEX_PLUGINS_DIRECT3D9_DIRECT3D9PLUGIN_H
#define NUCLEX_PLUGINS_DIRECT3D9_DIRECT3D9PLUGIN_H

#include "Nuclex/Nuclex.h"

#ifndef NUCLEX_WIN32
#error This plugin only works on the win32 platform
#endif

#include "Nuclex/Video/Surface.h"
#include "Nuclex/Support/Exception.h"
#include "Nuclex/Support/String.h"

// #include "MemoryTracker/DisableMemoryTracker.h"
#include <comdef.h>
#include <d3d9.h>
#include <d3dx9.h>
#include <dxerr9.h>
// #include "MemoryTracker/MemoryTracker.h"

// The following block will decide whether symbols are imported from a
// dll (client app) or exported to a dll (nuclex library).
// The DIRECT3D9PLUGIN_EXPORTS symbol should only be used for compiling
// the Nuclex.Plugins.Direct3D9 library and nowhere else.
//
#ifdef DIRECT3D9PLUGIN_EXPORTS
  #define DIRECT3D9PLUGIN_API __declspec(dllexport)
#else
  #define DIRECT3D9PLUGIN_API __declspec(dllimport)
#endif

_COM_SMARTPTR_TYPEDEF(ID3DXBuffer, IID_ID3DXBuffer);
_COM_SMARTPTR_TYPEDEF(ID3DXMesh, IID_ID3DXMesh);

namespace Nuclex { namespace Video {

  // ------------------------------------------------------------------------------------------- //

  /// <summary>Obtains the global Direct3D9 instance</summary>
  /// <returns>The global Direct3D9 instance</returns>
  DIRECT3D9PLUGIN_API IDirect3D9 *getDirect3D9();

  // ------------------------------------------------------------------------------------------- //

  /// <summary>Converts a nuclex pixel format into a direct3d pixel format</summary>
  /// <param name="eFormat">Format to convert</param>
  /// <returns>The Direct3D pixel format</returns>
  static inline D3DFORMAT D3DFORMATFromPixelFormat(Surface::PixelFormat eFormat) {
    switch(eFormat) {
      case Surface::PF_A_8: return D3DFMT_A8;
      case Surface::PF_RGB_3_3_2: return D3DFMT_R3G3B2;
      case Surface::PF_RGB_5_6_5: return D3DFMT_R5G6B5;
      case Surface::PF_RGB_8_8_8: return D3DFMT_R8G8B8;
      case Surface::PF_XRGB_1_5_5_5: return D3DFMT_X1R5G5B5;
      case Surface::PF_XRGB_8_8_8_8: return D3DFMT_X8R8G8B8;
      case Surface::PF_ARGB_1_5_5_5: return D3DFMT_A1R5G5B5;
      case Surface::PF_ARGB_4_4_4_4: return D3DFMT_A4R4G4B4;
      case Surface::PF_ARGB_8_8_8_8: return D3DFMT_A8R8G8B8;
      default: return D3DFMT_UNKNOWN;
    }
  }

  // ------------------------------------------------------------------------------------------- //

  /// <summary>Converts a direct3d pixel format into a nuclex pixel format</summary>
  /// <param name="eFormat">Format to convert</param>
  /// <returns>The nuclex pixel format</returns>
  static inline Surface::PixelFormat PixelFormatFromD3DFORMAT(D3DFORMAT eFormat) {
    switch(eFormat) {
      case D3DFMT_A8: return Surface::PF_A_8;
      case D3DFMT_R3G3B2: return Surface::PF_RGB_3_3_2;
      case D3DFMT_R5G6B5: return Surface::PF_RGB_5_6_5;
      case D3DFMT_R8G8B8: return Surface::PF_RGB_8_8_8;
      case D3DFMT_X1R5G5B5: return Surface::PF_XRGB_1_5_5_5;
      case D3DFMT_X8R8G8B8: return Surface::PF_XRGB_8_8_8_8;
      case D3DFMT_A1R5G5B5: return Surface::PF_ARGB_1_5_5_5;
      case D3DFMT_A4R4G4B4: return Surface::PF_ARGB_4_4_4_4;
      case D3DFMT_A8R8G8B8: return Surface::PF_ARGB_8_8_8_8;
      default: return Surface::PF_NONE;
    }
  }

  // ------------------------------------------------------------------------------------------- //

  /// <summary>Direct3D method call check. Converts errors to exceptions</summary>
  /// <param name="pszSource">Source of the call</param>
  /// <param name="pszMethod">Method being called</param>
  /// <param name="hResult">Method result code</param>
  static inline void D3DCheck(
    const char *pszSource, const char *pszMethod, const HRESULT hResult
  ) {
    if(FAILED(hResult)) {
      throw UnexpectedException(
        pszSource,
        string("Unexpected failure in ") + pszMethod + ": " + DXGetErrorString9A(hResult)
      );
    }
  }

  // ------------------------------------------------------------------------------------------- //

}} // namespace Nuclex::Video

#endif // NUCLEX_PLUGINS_DIRECT3D9_DIRECT3D9PLUGIN_H