131 lines
3.4 KiB
C++
131 lines
3.4 KiB
C++
// Copyright (C) 2002-2009 Nikolaus Gebhardt
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// This file is part of the "Irrlicht Engine".
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// For conditions of distribution and use, see copyright notice in irrlicht.h
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#ifndef __C_DIRECTX9_TEXTURE_H_INCLUDED__
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#define __C_DIRECTX9_TEXTURE_H_INCLUDED__
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#include "IrrCompileConfig.h"
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#ifdef _IRR_COMPILE_WITH_DIRECT3D_9_
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#include "ITexture.h"
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#include "IImage.h"
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#if defined(__BORLANDC__) || defined (__BCPLUSPLUS__)
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#include "irrMath.h" // needed by borland for sqrtf define
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#endif
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#include <d3d9.h>
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namespace irr
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{
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namespace video
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{
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class CD3D9Driver;
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// forward declaration for RTT depth buffer handling
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struct SDepthSurface;
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/*!
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interface for a Video Driver dependent Texture.
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*/
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class CD3D9Texture : public ITexture
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{
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public:
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//! constructor
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CD3D9Texture(IImage* image, CD3D9Driver* driver,
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u32 flags, const io::path& name, void* mipmapData=0);
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//! rendertarget constructor
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CD3D9Texture(CD3D9Driver* driver, const core::dimension2d<u32>& size, const io::path& name,
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const ECOLOR_FORMAT format = ECF_UNKNOWN);
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//! destructor
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virtual ~CD3D9Texture();
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//! lock function
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virtual void* lock(bool readOnly = false, u32 mipmapLevel=0);
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//! unlock function
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virtual void unlock();
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//! Returns original size of the texture.
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virtual const core::dimension2d<u32>& getOriginalSize() const;
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//! Returns (=size) of the texture.
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virtual const core::dimension2d<u32>& getSize() const;
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//! returns driver type of texture (=the driver, who created the texture)
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virtual E_DRIVER_TYPE getDriverType() const;
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//! returns color format of texture
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virtual ECOLOR_FORMAT getColorFormat() const;
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//! returns pitch of texture (in bytes)
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virtual u32 getPitch() const;
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//! returns the DIRECT3D9 Texture
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IDirect3DBaseTexture9* getDX9Texture() const;
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//! returns if texture has mipmap levels
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bool hasMipMaps() const;
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//! Regenerates the mip map levels of the texture. Useful after locking and
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//! modifying the texture
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virtual void regenerateMipMapLevels(void* mipmapData=0);
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//! returns if it is a render target
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virtual bool isRenderTarget() const;
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//! Returns pointer to the render target surface
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IDirect3DSurface9* getRenderTargetSurface();
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private:
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friend class CD3D9Driver;
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void createRenderTarget(const ECOLOR_FORMAT format = ECF_UNKNOWN);
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//! creates the hardware texture
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bool createTexture(u32 flags, IImage * image);
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//! copies the image to the texture
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bool copyTexture(IImage * image);
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//! Helper function for mipmap generation.
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bool createMipMaps(u32 level=1);
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//! Helper function for mipmap generation.
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void copy16BitMipMap(char* src, char* tgt,
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s32 width, s32 height, s32 pitchsrc, s32 pitchtgt) const;
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//! Helper function for mipmap generation.
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void copy32BitMipMap(char* src, char* tgt,
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s32 width, s32 height, s32 pitchsrc, s32 pitchtgt) const;
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//! set Pitch based on the d3d format
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void setPitch(D3DFORMAT d3dformat);
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IDirect3DDevice9* Device;
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IDirect3DTexture9* Texture;
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IDirect3DSurface9* RTTSurface;
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CD3D9Driver* Driver;
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SDepthSurface* DepthSurface;
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core::dimension2d<u32> TextureSize;
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core::dimension2d<u32> ImageSize;
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s32 Pitch;
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u32 MipLevelLocked;
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ECOLOR_FORMAT ColorFormat;
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bool HasMipMaps;
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bool HardwareMipMaps;
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bool IsRenderTarget;
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};
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} // end namespace video
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} // end namespace irr
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#endif // _IRR_COMPILE_WITH_DIRECT3D_9_
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#endif // __C_DIRECTX9_TEXTURE_H_INCLUDED__
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