126 lines
3.3 KiB
C++
126 lines
3.3 KiB
C++
// Copyright (C) 2002-2012 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_DIRECTX8_TEXTURE_H_INCLUDED__
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#define __C_DIRECTX8_TEXTURE_H_INCLUDED__
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#include "IrrCompileConfig.h"
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#ifdef _IRR_COMPILE_WITH_DIRECT3D_8_
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#include "ITexture.h"
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#include "IImage.h"
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#include <d3d8.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 CD3D8Driver;
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/*!
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interface for a Video Driver dependent Texture.
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*/
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class CD3D8Texture : public ITexture
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{
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public:
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//! constructor
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CD3D8Texture(IImage* image, CD3D8Driver* driver,
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u32 flags, const io::path& name, void* mipmapData=0);
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//! rendertarget constructor
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CD3D8Texture(CD3D8Driver* driver, const core::dimension2d<u32>& size, const io::path& name);
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//! destructor
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virtual ~CD3D8Texture();
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//! lock function
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virtual void* lock(E_TEXTURE_LOCK_MODE mode=ETLM_READ_WRITE, u32 mipmapLevel=0) _IRR_OVERRIDE_;
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//! unlock function
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virtual void unlock() _IRR_OVERRIDE_;
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//! Returns original size of the texture.
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virtual const core::dimension2d<u32>& getOriginalSize() const _IRR_OVERRIDE_;
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//! Returns (=size) of the texture.
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virtual const core::dimension2d<u32>& getSize() const _IRR_OVERRIDE_;
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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 _IRR_OVERRIDE_;
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//! returns color format of texture
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virtual ECOLOR_FORMAT getColorFormat() const _IRR_OVERRIDE_;
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//! returns pitch of texture (in bytes)
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virtual u32 getPitch() const _IRR_OVERRIDE_;
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//! returns the DIRECT3D8 Texture
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IDirect3DTexture8* getDX8Texture() 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) _IRR_OVERRIDE_;
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//! returns if it is a render target
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virtual bool isRenderTarget() const _IRR_OVERRIDE_;
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//! Returns pointer to the render target surface
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IDirect3DSurface8* getRenderTargetSurface();
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private:
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friend class CD3D8Driver;
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void createRenderTarget();
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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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//! convert color formats
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ECOLOR_FORMAT getColorFormatFromD3DFormat(D3DFORMAT format);
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bool createMipMaps(u32 level=1);
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void copy16BitMipMap(char* src, char* tgt,
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const s32 srcWidth, const s32 srcHeight,
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const s32 width, const s32 height,
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const s32 pitchsrc, const 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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const s32 srcWidth, const s32 srcHeight,
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const s32 width, const s32 height,
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const s32 pitchsrc, const s32 pitchtgt) const;
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IDirect3DDevice8* Device;
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IDirect3DTexture8* Texture;
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IDirect3DSurface8* RTTSurface;
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CD3D8Driver* Driver;
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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 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_8_
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#endif // __C_DIRECTX8_TEXTURE_H_INCLUDED__
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