1 files changed, 208 insertions, 0 deletions
diff --git a/Runtime/Graphics/Texture2D.h b/Runtime/Graphics/Texture2D.h
new file mode 100644
index 0000000..e64a035
--- /dev/null
+++ b/Runtime/Graphics/Texture2D.h
@@ -0,0 +1,208 @@
+#pragma once
+
+#include "Texture.h"
+#include "Configuration/UnityConfigure.h"
+#include "Runtime/Modules/ExportModules.h"
+
+class ColorRGBAf;
+class ColorRGBA32;
+
+
+class EXPORT_COREMODULE Texture2D: public Texture
+{
+public:
+	// Should be called by MAIN thread in order to upload texture data immediately after texture asset was loaded
+	// On some platforms helps to avoid memory peak during level load
+	static void IntegrateLoadedImmediately();
+
+protected:
+
+	// See comments at Texture2D.cpp
+	struct TextureRepresentation {
+		TextureRepresentation();
+
+		UInt8*	data; // data for all image frames
+		int		width;
+		int		height;
+		int		format;
+		int		imageSize; // size in bytes of one image frames, including mip levels
+	};
+	TextureRepresentation	m_TexData;	// original data
+	TextureID m_UnscaledTexID;
+
+	static bool s_ScreenReadAllowed;
+
+protected:
+	int		m_ImageCount;
+	int		m_TextureDimension;
+
+	int		m_glWidth;
+	int		m_glHeight;
+
+	int		m_InitFlags;
+	bool	m_MipMap;
+	bool	m_PowerOfTwo;
+	bool    m_TextureUploaded;
+	bool    m_UnscaledTextureUploaded;
+	bool    m_IsReadable;
+	bool	m_ReadAllowed;
+	bool	m_IsUnreloadable;
+
+	#if UNITY_EDITOR
+	bool	m_EditorDontWriteTextureData;
+	bool	m_IgnoreMasterTextureLimit;
+	bool	m_AlphaIsTransparency;
+	#endif
+
+protected:
+	void DestroyTexture ();
+	void DeleteGfxTexture ();
+
+	virtual void UploadTexture (bool dontUseSubImage);
+	virtual void UnloadFromGfxDevice(bool forceUnloadAll);
+	virtual void UploadToGfxDevice();
+
+
+private:
+
+	void	DestroyTextureRepresentation( TextureRepresentation* rep );
+	void	DestroyTextureRepresentations( TextureRepresentation* scaled, TextureRepresentation* padded, bool freeSourceImage=true );
+
+	void	InitTextureRepresentation( TextureRepresentation* rep, int format, const char* tag );
+	void	InitTextureRepresentations( TextureRepresentation* scaled, TextureRepresentation* padded );
+
+	void	UpdatePOTStatus();
+
+
+	void ExtractMipLevel( TextureRepresentation* dst, int frame, int mipLevel, bool checkCompression, bool scaleToSize );
+	bool ExtractImageInternal( ImageReference* image, bool scaleToSize, int imageIndex ) const;
+	void ExtractCompressedImageInternal( UInt8* dst, int dstWidth, int dstHeight, int imageIndex ) const;
+
+	bool GetImageReferenceInternal (ImageReference* image, int frame, int miplevel) const;
+
+	bool CheckHasPixelData () const;
+
+	MemLabelId GetTextureDataMemoryLabel() const { return ( GetMemoryLabel().label == kMemTextureCacheId ? GetMemoryLabel() : MemLabelId(kMemTextureId, GetMemoryLabel().GetRootHeader()) ); }
+public:
+	REGISTER_DERIVED_CLASS (Texture2D, Texture)
+	DECLARE_OBJECT_SERIALIZE (Texture2D)
+
+	Texture2D (MemLabelId label, ObjectCreationMode mode);
+	// ~Texture2D (); declared-by-macro
+
+	virtual bool MainThreadCleanup ();
+
+	virtual void Reset ();
+	virtual void AwakeFromLoadThreaded ();
+	virtual void AwakeFromLoad (AwakeFromLoadMode awakeMode);
+
+	virtual TextureDimension GetDimension () const { return static_cast<TextureDimension>(m_TextureDimension); }
+
+	virtual int GetGLWidth() const	{ return m_glWidth; }
+	virtual int GetGLHeight() const { return m_glHeight; }
+	virtual void ApplySettings();
+
+	virtual int GetDataWidth() const;
+	virtual int GetDataHeight() const;
+
+	virtual int GetRuntimeMemorySize() const;
+	#if ENABLE_PROFILER || UNITY_EDITOR
+	virtual int GetStorageMemorySize() const { return m_TexData.imageSize*m_ImageCount; }
+	#endif
+
+	virtual TextureID GetUnscaledTextureID() const;
+	int CountDataMipmaps () const;
+	bool IsNonPowerOfTwo() const { return !m_PowerOfTwo; }
+
+	enum {
+		kNoMipmap = 0,
+		kMipmapMask = 1 << 0,
+		kThreadedInitialize = 1 << 2,
+		kOSDrawingCompatible = 1 << 3,
+	};
+	virtual bool InitTexture (int width, int height, TextureFormat format, int flags=kMipmapMask, int imageCount=1, intptr_t nativeTex=0);
+
+	void   InitTextureInternal (int width, int height, TextureFormat format, int imageSize, UInt8* buffer, int options, int imageCount);
+	UInt8* AllocateTextureData (int imageSize, TextureFormat format, bool initMemory = false);
+	void   DeallocateTextureData (UInt8* memory);
+
+	virtual bool HasMipMap () const;
+
+	void SetIsReadable (bool readable) { m_IsReadable = readable; }
+	bool GetIsReadable () const { return m_IsReadable; }
+	void SetIsUnreloadable (bool value) { m_IsUnreloadable = value; }
+	bool GetIsUploaded () const { return m_TextureUploaded; }
+
+	#if UNITY_EDITOR
+	void SetEditorDontWriteTextureData (bool value) { m_EditorDontWriteTextureData = value; }
+	// directly load from an image, used in editor for gizmos/icons
+	void SetImage (const ImageReference& image, int flags = kMipmapMask);
+	virtual void WarnInstantiateDisallowed ();
+	virtual bool IgnoreMasterTextureLimit () const;
+	void SetIgnoreMasterTextureLimit (bool ignore);
+
+	bool GetAlphaIsTransparency() const;
+	void SetAlphaIsTransparency(bool is);
+
+	virtual TextureFormat GetEditorUITextureFormat () const { return GetTextureFormat(); }
+
+	#endif
+
+	virtual void UpdateImageData ();
+	virtual void UpdateImageDataDontTouchMipmap ();
+
+	// Returns the original (may be NPOT) data
+	UInt8 *GetRawImageData (int frame = 0) { return m_TexData.data + frame * m_TexData.imageSize; }
+	int GetRawImageDataSize () const { return m_TexData.imageSize; }
+
+	bool GetWriteImageReference (ImageReference* image, int frame, int miplevel);
+
+	int GetImageCount () const { return m_ImageCount; }
+
+	virtual bool ExtractImage (ImageReference* image, int imageIndex = 0) const;
+
+	bool ResizeWithFormat (int width, int height, TextureFormat format, int flags);
+	bool Resize (int width, int height) { return ResizeWithFormat (width, height, GetTextureFormat(), HasMipMap() ? kMipmapMask : kNoMipmap); }
+
+	int GetTextureFormat () const { return m_TexData.format; }
+
+	void Compress (bool dither);
+
+	virtual void RebuildMipMap ();
+
+	virtual int CountMipmaps () const;
+
+	ColorRGBAf GetPixelBilinear (int image, float u, float v) const;
+	ColorRGBAf GetPixel (int image, int x, int y) const;
+	void SetPixel (int image, int x, int y, const ColorRGBAf& c);
+
+	// Read pixels. Set reversed when reading into a cubemap
+	void ReadPixels (int frame, int left, int bottom, int width, int height, int destX, int destY, bool reversed, bool computeMipMap);
+
+	bool GetPixels (int x, int y, int width, int height, int mipLevel, ColorRGBAf* data, int frame = 0) const;
+	void SetPixels( int x, int y, int width, int height, int pixelCount, const ColorRGBAf* pixels, int miplevel, int frame = 0 );
+
+
+	// always whole mip level, into/from 32 bit RGBA colors
+	// GetPixels32 also supports getting pixels from DXT textures.
+	// For DXT textures the output width/height must have minimum of 4.
+	bool GetPixels32( int mipLevel, ColorRGBA32* data ) const;
+	void SetPixels32( int mipLevel, const ColorRGBA32* pixels, const int pixelCount );
+
+	// Encodes to PNG bytes
+	bool EncodeToPNG( dynamic_array<UInt8>& outBuffer );
+
+	// Is reading the data from this texture allowed by webplayer security
+	void SetReadAllowed (bool allowed) { m_ReadAllowed = allowed; if (!allowed) s_ScreenReadAllowed=false;}
+	bool GetReadAllowed () const { return m_ReadAllowed; }
+
+	void Apply(bool updateMipmaps, bool makeNoLongerReadable);
+
+	static bool GetScreenReadAllowed () { return s_ScreenReadAllowed; }
+
+
+	friend struct TemporaryTextureSerializationRevert;
+};
+
+void ConvertTextureEndianessWrite (int format, UInt8* src, UInt8* dst, int size, bool bBigEndianGPU);
+void ConvertTextureEndianessRead (int format, UInt8* src, int size);