Import irrlicht 1.8.4 release

source/Irrlicht/CD3D9Texture.h

@@ -0,0 +1,130 @@
+// Copyright (C) 2002-2012 Nikolaus Gebhardt
+// This file is part of the "Irrlicht Engine".
+// For conditions of distribution and use, see copyright notice in irrlicht.h
+
+#ifndef __C_DIRECTX9_TEXTURE_H_INCLUDED__
+#define __C_DIRECTX9_TEXTURE_H_INCLUDED__
+
+#include "IrrCompileConfig.h"
+#ifdef _IRR_COMPILE_WITH_DIRECT3D_9_
+
+#include "ITexture.h"
+#include "IImage.h"
+#if defined(__BORLANDC__) || defined (__BCPLUSPLUS__)
+#include "irrMath.h"    // needed by borland for sqrtf define
+#endif
+#include <d3d9.h>
+
+namespace irr
+{
+namespace video
+{
+
+class CD3D9Driver;
+// forward declaration for RTT depth buffer handling
+struct SDepthSurface;
+/*!
+	interface for a Video Driver dependent Texture.
+*/
+class CD3D9Texture : public ITexture
+{
+public:
+
+	//! constructor
+	CD3D9Texture(IImage* image, CD3D9Driver* driver,
+			u32 flags, const io::path& name, void* mipmapData=0);
+
+	//! rendertarget constructor
+	CD3D9Texture(CD3D9Driver* driver, const core::dimension2d<u32>& size, const io::path& name,
+		const ECOLOR_FORMAT format = ECF_UNKNOWN);
+
+	//! destructor
+	virtual ~CD3D9Texture();
+
+	//! lock function
+	virtual void* lock(E_TEXTURE_LOCK_MODE mode=ETLM_READ_WRITE, u32 mipmapLevel=0);
+
+	//! unlock function
+	virtual void unlock();
+
+	//! Returns original size of the texture.
+	virtual const core::dimension2d<u32>& getOriginalSize() const;
+
+	//! Returns (=size) of the texture.
+	virtual const core::dimension2d<u32>& getSize() const;
+
+	//! returns driver type of texture (=the driver, who created the texture)
+	virtual E_DRIVER_TYPE getDriverType() const;
+
+	//! returns color format of texture
+	virtual ECOLOR_FORMAT getColorFormat() const;
+
+	//! returns pitch of texture (in bytes)
+	virtual u32 getPitch() const;
+
+	//! returns the DIRECT3D9 Texture
+	IDirect3DBaseTexture9* getDX9Texture() const;
+
+	//! returns if texture has mipmap levels
+	bool hasMipMaps() const;
+
+	//! Regenerates the mip map levels of the texture. Useful after locking and
+	//! modifying the texture
+	virtual void regenerateMipMapLevels(void* mipmapData=0);
+
+	//! returns if it is a render target
+	virtual bool isRenderTarget() const;
+
+	//! Returns pointer to the render target surface
+	IDirect3DSurface9* getRenderTargetSurface();
+
+private:
+	friend class CD3D9Driver;
+
+	void createRenderTarget(const ECOLOR_FORMAT format = ECF_UNKNOWN);
+
+	//! creates the hardware texture
+	bool createTexture(u32 flags, IImage * image);
+
+	//! copies the image to the texture
+	bool copyTexture(IImage * image);
+
+	//! Helper function for mipmap generation.
+	bool createMipMaps(u32 level=1);
+
+	//! Helper function for mipmap generation.
+	void copy16BitMipMap(char* src, char* tgt,
+		s32 width, s32 height,  s32 pitchsrc, s32 pitchtgt) const;
+
+	//! Helper function for mipmap generation.
+	void copy32BitMipMap(char* src, char* tgt,
+		s32 width, s32 height,  s32 pitchsrc, s32 pitchtgt) const;
+
+	//! set Pitch based on the d3d format
+	void setPitch(D3DFORMAT d3dformat);
+
+	IDirect3DDevice9* Device;
+	IDirect3DTexture9* Texture;
+	IDirect3DSurface9* RTTSurface;
+	CD3D9Driver* Driver;
+	SDepthSurface* DepthSurface;
+	core::dimension2d<u32> TextureSize;
+	core::dimension2d<u32> ImageSize;
+	s32 Pitch;
+	u32 MipLevelLocked;
+	ECOLOR_FORMAT ColorFormat;
+
+	bool HasMipMaps;
+	bool HardwareMipMaps;
+	bool IsRenderTarget;
+};
+
+
+} // end namespace video
+} // end namespace irr
+
+#endif // _IRR_COMPILE_WITH_DIRECT3D_9_
+
+#endif // __C_DIRECTX9_TEXTURE_H_INCLUDED__
+
+