genesis-3d_engine/Engine/rendersystem/d3d9/TextureD3D9.h

/****************************************************************************
Copyright (c) 2007, Radon Labs GmbH
Copyright (c) 2011-2013,WebJet Business Division,CYOU
 
http://www.genesis-3d.com.cn

Permission is hereby granted, free of charge, to any person obtaining a copy
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The above copyright notice and this permission notice shall be included in
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OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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****************************************************************************/
#ifndef _TEXTURED3D9_H_
#define _TEXTURED3D9_H_
#include "rendersystem/base/Texture.h"
namespace D3D9
{
	using namespace RenderBase;

	class TextureD3D9 : public Texture
	{
		__DeclareSubClass(TextureD3D9,Texture)
	public:
		TextureD3D9();
		virtual ~TextureD3D9();
		
		/// unload the resource, or cancel the pending load
		void Unload();
		/// map a texture mip level for CPU access
		bool Map(IndexT mipLevel, MapType mapType, MapInfo& outMapInfo);
		/// unmap texture after CPU access
		void Unmap(IndexT mipLevel);
		/// map a cube map face for CPU access
		bool MapCubeFace(CubeFace face, IndexT mipLevel, MapType mapType, MapInfo& outMapInfo);
		/// unmap cube map face after CPU access
		void UnmapCubeFace(CubeFace face, IndexT mipLevel);

		/// get d3d9 base texture pointer
		IDirect3DBaseTexture9* GetD3D9BaseTexture() const;
		/// get d3d9 texture pointer
		IDirect3DTexture9* GetD3D9Texture() const;
		/// get d3d9 cube texture pointer
		IDirect3DCubeTexture9* GetD3D9CubeTexture() const;
		/// get d3d9 volume texture pointer
		IDirect3DVolumeTexture9* GetD3D9VolumeTexture() const;

		/// setup from a IDirect3DTexture9
		void SetupFromD3D9Texture(IDirect3DTexture9* ptr, const bool setLoaded = true);
		/// setup from a IDirect3DCubeTexture
		void SetupFromD3D9CubeTexture(IDirect3DCubeTexture9* ptr, const bool setLoaded = true);
		/// setup from a IDirect3DVolumeTexture
		void SetupFromD3D9VolumeTexture(IDirect3DVolumeTexture9* ptr, const bool setLoaded = true);

		/// load Buffers;
		bool LoadBuffers();
		IDirect3DTexture9* _LoadNormBuffer(ubyte* src, SizeT size );
		IDirect3DTexture9* _LoadNormErrorBuffer();
		IDirect3DCubeTexture9* _LoadCubeBuffer(ubyte* src, SizeT size);
		IDirect3DCubeTexture9* _LoadCubeErrorBuffer();

		IDirect3DVolumeTexture9* _LoadVolumeBuffer(ubyte* src, SizeT size );
		IDirect3DVolumeTexture9* _LoadVolumeErrorBuffer();

		/// load from file
		bool LoadFileFromBuffers();

		D3DPOOL GetD3D9PoolType();

		/// 
		void UpdateTexture(UpdateFunction texUpdateFunc, void* tag);
		void UpdateTexture(GPtr<Texture> srcTex);
		void Setup(const GPtr<Texture>& srcTex);
		virtual void OnDeviceLost();
		virtual void OnDeviceReset();
		

		bool GetTextureData(ubyte* data) const;
		const SizeT GetTextureSize() const;

		void GenerateCubeMap(const TextureD3D9& texFront,const TextureD3D9& texBack,const TextureD3D9& texTop,const TextureD3D9& texUnder,const TextureD3D9& texLeft,const TextureD3D9& texRight);
		void GenerateCubeMapData( ubyte* srcData,const TextureD3D9& texFront,const TextureD3D9& texBack,const TextureD3D9& texTop,const TextureD3D9& texUnder,const TextureD3D9& texLeft,const TextureD3D9& texRight );

	protected:
		bool __GetNormalData(ubyte* data) const;
		void __GetCubeData(ubyte* data) const;


		IDirect3DBaseTexture9* d3d9BaseTexture;
		int mapCount;

		IDirect3DTexture9* d3d9Texture;                 // valid if type is Texture2D
		IDirect3DCubeTexture9* d3d9CubeTexture;         // valid if type is TextureCube
		IDirect3DVolumeTexture9* d3d9VolumeTexture;     // valid if type is Texture3D
		D3DPOOL d3dpoolType;
	};

	//------------------------------------------------------------------------------
	/**
	*/
	inline IDirect3DBaseTexture9*
		TextureD3D9::GetD3D9BaseTexture() const
	{
		n_assert(0 != this->d3d9BaseTexture);
		n_assert(0 == this->mapCount);
		return this->d3d9BaseTexture;
	}

	//------------------------------------------------------------------------------
	/**
	*/
	inline IDirect3DTexture9*
		TextureD3D9::GetD3D9Texture() const
	{
		// need to use QueryInterface()'d pointer under Win32
		n_assert(0 != this->d3d9Texture);
		return this->d3d9Texture;
	}

	//------------------------------------------------------------------------------
	/**
	*/
	inline IDirect3DCubeTexture9*
		TextureD3D9::GetD3D9CubeTexture() const
	{
		// need to use QueryInterface()'d pointer under Win32
		n_assert(0 != this->d3d9CubeTexture);
		return this->d3d9CubeTexture;
	}

	//------------------------------------------------------------------------------
	/**
	*/
	inline IDirect3DVolumeTexture9*
		TextureD3D9::GetD3D9VolumeTexture() const
	{
		// need to use QueryInterface()'d pointer under Win32
		n_assert(0 != this->d3d9VolumeTexture);
		return this->d3d9VolumeTexture;
	}

	//------------------------------------------------------------------------------
	/**
	*/
	inline D3DPOOL TextureD3D9::GetD3D9PoolType()
	{
		return d3dpoolType;
	}

}
#endif