KeosD3D9RenderSystem.h

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/*
 * This source file is part of KEOS (Free 3D Engine)
 * For the latest info, see http://www.keosengine.org/
 * E-mails : thierry.vouriot@keosengine.org, yeri@keosengine.org
 *
 * This program is free software; you can redistribute it and/or modify it under
 * the terms of the GNU Lesser General Public License as published by the Free Software
 * Foundation; either version 2 of the License, or (at your option) any later
 * version.
 *
 * This program 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 GNU Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public License along with
 * this program; if not, write to the Free Software Foundation, Inc., 59 Temple
 * Place - Suite 330, Boston, MA 02111-1307, USA, or go to
 * http://www.gnu.org/copyleft/lesser.txt.
 *
 */
#ifndef KEOS_D3D9RENDERSYSTEM_H
#define KEOS_D3D9RENDERSYSTEM_H

#include "KeosD3D9Prerequisites.h"
#include "KeosRenderSystem.h"
#include "KeosRenderWindow.h"

class CD3D9;

namespace Keos
{
  //-----------------------------------------------------------------------
  class CD3D9RenderSystem : public IRenderSystem
  {
  public :

    CD3D9RenderSystem();

    ~CD3D9RenderSystem();

    const String& GetName(void) const;

    virtual IRenderWindow* Initialise(bool bAutoCreateWindow, const String& strWindowTitle = "KEOS Render Window");

    virtual IRenderWindow* CreateRenderWindow(const String &strName, uint nWidth, uint nHeight, uint nColourDepth, bool bFullScreen);

    virtual void Reinitialise(void);

    virtual void Shutdown(void);

    virtual void BeginScene(void) const;

    virtual void EndScene(void) const;

    virtual void PrintInfo(void) const;

    virtual IBufferBase* _CreateVB(ulong nSize, ulong nStride, ulong nFlags) const;

    virtual IBufferBase* _CreateIB(ulong nSize, ulong nStride, ulong nFlags) const;

    virtual IDeclaration* CreateDeclaration(const TDeclarationElement* pElements, size_t nCount) const;

    virtual void _SetVB(uint nStream, const IBufferBase* pBuffer, ulong nStride, ulong nMinVertex, ulong nMaxVertex);

    virtual void _SetIB(const IBufferBase* pBuffer, ulong nStride);

    virtual void SetDeclaration(const IDeclaration* pDeclaration);

    virtual void DrawPrimitives(TPrimitiveType Type, ulong nFirstVertex, ulong nCount) const;

    virtual void DrawIndexedPrimitives(TPrimitiveType Type, ulong nFirstIndex, ulong nCount) const;

    virtual void PushMatrix(TMatrixType Type);

    virtual void PopMatrix(TMatrixType Type);

    virtual void LoadMatrix(TMatrixType Type, const CMatrix4& Matrix);

    virtual void LoadMatrixMult(TMatrixType Type, const CMatrix4& Matrix);

    virtual void GetMatrix(TMatrixType Type, CMatrix4& Matrix) const;

    virtual ulong ConvertColor(const CColor& Color) const;

    virtual ITextureBase* CreateTexture(const TVector2I& Size, TPixelFormat Format, ulong nFlags = 0) const;

    virtual void SetTexture(uint nUnit, const ITextureBase* pTexture) const;

    virtual void SetupAlphaBlending(TBlend Src, TBlend Dest) const;

    virtual void SetupTextureUnit(uint nUnit, TTextureOp Op, TTextureArg Arg1, TTextureArg Arg2 = TXA_DIFFUSE, const CColor& Constant = 0x00) const;

    virtual void Enable(TRenderParameter Param, bool bValue) const;

    virtual IShaderBase* CreateShader(CGprogram Program, TShaderType Type) const;

    virtual void SetVertexShader(const IShaderBase* pShader);

    virtual void SetPixelShader(const IShaderBase* pShader);

    virtual void SetClearColor(const CColor& Color);

    virtual void SetLight(uint nIndex, CLight* pLight);

    virtual void SetFillMode(TFillMode Mode);

    void RestoreLostDevice(void);

    bool IsDeviceLost(void);

    void _NotifyDeviceLost(void);


  private:

    void InitCapabilities(void);

    void SearchVertexShaderCaps(D3DCAPS9& Caps);

    void SearchPixelShaderCaps(D3DCAPS9& Caps);

    bool CheckFormat(D3DFORMAT Format, D3DRESOURCETYPE ResourceType, ulong nUsage = 0);

    CD3D9* m_pD3D9;

    ulong m_nMinVertex;

    ulong m_nVertexCount;

    std::vector<CMatrix4> m_Matrices[6];

    bool m_bDeviceLost;
  };

  class CD3D9
  {
  public:

    LPDIRECT3D9   pD3D;
    LPDIRECT3DDEVICE9 pD3DDevice;

    CD3D9()
    {
      pD3D = NULL;
      pD3DDevice = NULL;
    }

    ~CD3D9()
    {
      if (pD3D) pD3D->Release();
      if (pD3DDevice) pD3DDevice->Release();
    }

    void ReleaseDevice(void)
    {
      if (pD3DDevice) pD3DDevice->Release();
      pD3DDevice = NULL;
    }
  };

} // namespace Keos


#endif // KEOS_D3D9RENDERSYSTEM_H

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