IDX10HardwareRenderer.h

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//**************************************************************************/
// Copyright (c) 1998-2006 Autodesk, Inc.
// All rights reserved.
// 
// These coded instructions, statements, and computer programs contain
// unpublished proprietary information written by Autodesk, Inc., and are
// protected by Federal copyright law. They may not be disclosed to third
// parties or copied or duplicated in any form, in whole or in part, without
// the prior written consent of Autodesk, Inc.
//**************************************************************************/
// DESCRIPTION: General function to wrap the Dx SDK.  They support delayed loading
//              so as to remove the dependency on DX DLLs esp Dx10
// AUTHOR: Neil Hazzard - created Oct.31.06
//***************************************************************************/

#pragma once

#include "baseinterface.h"
#include <d3dx10.h>
#include <dxgi.h>
#include "MaxHeap.h"

#define D3D10_HARDWARE_RENDERER_INTERFACE_ID Interface_ID(0x7f23405c, 0x43314b27)
#define D3D10_GRAPHICS_WINDOW_INTERFACE_ID Interface_ID(0x7f12345e, 0x23564c43)
#define D3D10_SHADER_RESOURCE_INTERFACE_ID Interface_ID(0x4f3254ab, 0x2653de42)

//forward declaration
class INode;
class Mesh;
class MNMesh;
class Material;
class IHardwareMesh;


struct D3D10SceneLight : public MaxHeapOperators
{
    D3DXVECTOR4 m_Position;
    D3DXVECTOR4 m_Direction;
    D3DXVECTOR4 m_Diffuse;
    D3DXVECTOR4 m_Specular;
    D3DXVECTOR4 m_Ambient;
    D3DXVECTOR4 m_Attenuation;

    D3DXVECTOR4 m_LightData;    
};

typedef D3D10SceneLight* lpD3D10SceneLight;


class ID3D10HardwareRenderer : public BaseInterface
{
public:
    virtual Interface_ID GetID() { return D3D10_HARDWARE_RENDERER_INTERFACE_ID; }

    virtual bool BuildCachedMesh(IHardwareMesh *pHWMesh)=0;
    virtual bool DrawCachedMesh(DWORD_PTR pdwHWMesh, DWORD dwAttrib)=0;
    virtual void ReleaseCachedMesh(DWORD_PTR pdwHWMesh) = 0;

    virtual bool CanCacheMesh()=0;
    virtual bool ObjectDrawnByShader()=0;
    virtual void StartObject() =0;
    virtual void EndObject()=0;
    virtual int  GetNumActiveWindows()= 0;

    virtual void SetMaterial(const Material & mtl)=0; // Yi GONG, May18th 2007 to fix defect 918155
    virtual void SetShaderResource(Material * gfxMat, Mesh * mesh, int mtlNum) =0;
    virtual void SetShaderResource(Material * gfxMat, MNMesh * mesh, int mtlNum)=0;

};


class ID3D10GraphicsWindow : public BaseInterface
{
public:

    virtual Interface_ID GetID() { return D3D10_GRAPHICS_WINDOW_INTERFACE_ID; }

    virtual ID3D10Device * GetDevice() = 0;

    virtual D3DXMATRIX  GetWorldXform() const = 0;

    virtual D3DXMATRIX  GetViewXform() const = 0;

    virtual D3DXMATRIX  GetProjXform()const = 0;

    virtual void GetWindowDimension(int * width, int * height)= 0;

    virtual D3D10SceneLight * GetLight(int index)=0;

};


class ID3D10ShaderResource : public BaseInterface
{
public:
    virtual Interface_ID GetID() { return D3D10_SHADER_RESOURCE_INTERFACE_ID; }


    virtual void InitializeDrawSequence(ID3D10GraphicsWindow* pD3D10gw)=0;


    virtual bool IsShaderResourceActive() =0;


    virtual void DrawShaderResource(INode * node, Mesh * mesh, int mtlNum) =0;


    virtual void DrawShaderResource(INode * node, MNMesh * mesh, int mtlNum) =0;

};