164 lines
5.1 KiB
C++
164 lines
5.1 KiB
C++
// Copyright (C) 2009-2010 Amundis
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// Heavily based on the OpenGL driver implemented by Nikolaus Gebhardt
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// and OpenGL ES driver implemented by Christian Stehno
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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_OGLES2_TEXTURE_H_INCLUDED__
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#define __C_OGLES2_TEXTURE_H_INCLUDED__
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#include "ITexture.h"
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#include "IImage.h"
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#include "IrrCompileConfig.h"
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#ifdef _IRR_COMPILE_WITH_OGLES2_
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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 COGLES2Driver;
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//! OGLES21 texture.
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class COGLES2Texture : public ITexture
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{
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public:
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//! constructor
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COGLES2Texture( IImage* surface, const io::path& name, COGLES2Driver* driver = 0 );
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//! destructor
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virtual ~COGLES2Texture();
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//! lock function
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virtual void* lock(E_TEXTURE_LOCK_MODE mode=ETLM_READ_WRITE, 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 (image).
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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, that created it)
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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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//! return open gl texture name
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u32 getOGLES2TextureName() const;
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//! return whether this texture has mipmaps
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virtual bool hasMipMaps() const;
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//! Regenerates the mip map levels of the texture.
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virtual void regenerateMipMapLevels(void* mipmapData=0);
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//! Is it a render target?
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virtual bool isRenderTarget() const;
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//! Is it a FrameBufferObject?
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virtual bool isFrameBufferObject() const;
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//! Bind RenderTargetTexture
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void bindRTT();
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//! Unbind RenderTargetTexture
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void unbindRTT();
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//! sets whether this texture is intended to be used as a render target.
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void setIsRenderTarget( bool isTarget );
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protected:
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//! protected constructor with basic setup, no GL texture name created, for derived classes
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COGLES2Texture( const io::path& name, COGLES2Driver* driver );
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//! get the desired color format based on texture creation flags and the input format.
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ECOLOR_FORMAT getBestColorFormat( ECOLOR_FORMAT format );
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//! convert the image into an internal image with better properties for this driver.
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void getImageData( IImage* image );
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//! copies the the texture into an open gl texture.
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void copyTexture( bool newTexture = true );
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core::dimension2d<u32> ImageSize;
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COGLES2Driver* Driver;
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IImage* Image;
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u32 TextureName;
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s32 InternalFormat;
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u32 PixelFormat;
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u32 PixelType;
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bool HasMipMaps;
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bool IsRenderTarget;
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bool AutomaticMipmapUpdate;
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bool UseStencil;
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bool ReadOnlyLock;
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};
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//! OGLES21 FBO texture.
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class COGLES2FBOTexture : public COGLES2Texture
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{
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public:
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//! FrameBufferObject constructor
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COGLES2FBOTexture( const core::dimension2d<u32>& size, const io::path& name, COGLES2Driver* driver = 0, ECOLOR_FORMAT format = ECF_UNKNOWN );
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//! destructor
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virtual ~COGLES2FBOTexture();
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//! Is it a FrameBufferObject?
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virtual bool isFrameBufferObject() const;
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//! Bind RenderTargetTexture
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virtual void bindRTT();
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//! Unbind RenderTargetTexture
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virtual void unbindRTT();
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ITexture* DepthTexture;
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protected:
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u32 ColorFrameBuffer;
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};
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//! OGLES21 FBO depth texture.
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class COGLES2FBODepthTexture : public COGLES2FBOTexture
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{
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public:
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//! FrameBufferObject depth constructor
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COGLES2FBODepthTexture( const core::dimension2d<u32>& size, const io::path& name, COGLES2Driver* driver = 0, bool useStencil = false );
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//! destructor
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virtual ~COGLES2FBODepthTexture();
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//! Bind RenderTargetTexture
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virtual void bindRTT();
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//! Unbind RenderTargetTexture
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virtual void unbindRTT();
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void attach( ITexture* );
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protected:
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u32 DepthRenderBuffer;
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u32 StencilRenderBuffer;
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bool UseStencil;
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};
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} // end namespace video
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} // end namespace irr
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#endif
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#endif // _IRR_COMPILE_WITH_OGLES2_
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