forked from dolphin-emu/dolphin
		
	
		
			
				
	
	
		
			145 lines
		
	
	
		
			4.2 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
			
		
		
	
	
			145 lines
		
	
	
		
			4.2 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
| // Copyright 2013 Dolphin Emulator Project
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| // Licensed under GPLv2
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| // Refer to the license.txt file included.
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| 
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| #ifndef _TEXTURECACHEBASE_H
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| #define _TEXTURECACHEBASE_H
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| 
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| #include <map>
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| 
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| #include "VideoCommon.h"
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| #include "TextureDecoder.h"
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| #include "BPMemory.h"
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| #include "Thread.h"
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| 
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| #include "CommonTypes.h"
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| 
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| struct VideoConfig;
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| 
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| class TextureCache
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| {
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| public:
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| 	enum TexCacheEntryType
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| 	{
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| 		TCET_NORMAL,
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| 		TCET_EC_VRAM,		// EFB copy which sits in VRAM and is ready to be used
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| 		TCET_EC_DYNAMIC,	// EFB copy which sits in RAM and needs to be decoded before being used
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| 	};
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| 
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| 	struct TCacheEntryBase
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| 	{
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| #define TEXHASH_INVALID 0
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| 
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| 		// common members
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| 		u32 addr;
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| 		u32 size_in_bytes;
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| 		u64 hash;
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| 		//u32 pal_hash;
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| 		u32 format;
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| 
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| 		enum TexCacheEntryType type;
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| 
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| 		unsigned int num_mipmaps;
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| 		unsigned int native_width, native_height; // Texture dimensions from the GameCube's point of view
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| 		unsigned int virtual_width, virtual_height; // Texture dimensions from OUR point of view - for hires textures or scaled EFB copies
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| 
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| 		// used to delete textures which haven't been used for TEXTURE_KILL_THRESHOLD frames
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| 		int frameCount;
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| 
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| 
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| 		void SetGeneralParameters(u32 _addr, u32 _size, u32 _format, unsigned int _num_mipmaps)
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| 		{
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| 			addr = _addr;
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| 			size_in_bytes = _size;
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| 			format = _format;
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| 			num_mipmaps = _num_mipmaps;
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| 		}
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| 
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| 		void SetDimensions(unsigned int _native_width, unsigned int _native_height, unsigned int _virtual_width, unsigned int _virtual_height)
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| 		{
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| 			native_width = _native_width;
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| 			native_height = _native_height;
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| 			virtual_width = _virtual_width;
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| 			virtual_height = _virtual_height;
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| 		}
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| 
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| 		void SetHashes(u64 _hash/*, u32 _pal_hash*/)
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| 		{
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| 			hash = _hash;
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| 			//pal_hash = _pal_hash;
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| 		}
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| 
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| 
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| 		virtual ~TCacheEntryBase();
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| 
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| 		virtual void Bind(unsigned int stage) = 0;
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| 		virtual bool Save(const char filename[], unsigned int level) = 0;
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| 
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| 		virtual void Load(unsigned int width, unsigned int height,
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| 			unsigned int expanded_width, unsigned int level) = 0;
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| 		virtual void FromRenderTarget(u32 dstAddr, unsigned int dstFormat,
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| 			unsigned int srcFormat, const EFBRectangle& srcRect,
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| 			bool isIntensity, bool scaleByHalf, unsigned int cbufid,
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| 			const float *colmat) = 0;
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| 
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| 		int IntersectsMemoryRange(u32 range_address, u32 range_size) const;
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| 
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| 		bool IsEfbCopy() { return (type == TCET_EC_VRAM || type == TCET_EC_DYNAMIC); }
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| 	};
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| 
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| 	virtual ~TextureCache(); // needs virtual for DX11 dtor
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| 
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| 	static void OnConfigChanged(VideoConfig& config);
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| 	static void Cleanup();
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| 
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| 	static void Invalidate();
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| 	static void InvalidateRange(u32 start_address, u32 size);
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| 	static void MakeRangeDynamic(u32 start_address, u32 size);
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| 	static void ClearRenderTargets();	// currently only used by OGL
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| 	static bool Find(u32 start_address, u64 hash);
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| 
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| 	virtual TCacheEntryBase* CreateTexture(unsigned int width, unsigned int height,
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| 		unsigned int expanded_width, unsigned int tex_levels, PC_TexFormat pcfmt) = 0;
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| 	virtual TCacheEntryBase* CreateRenderTargetTexture(unsigned int scaled_tex_w, unsigned int scaled_tex_h) = 0;
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| 
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| 	static TCacheEntryBase* Load(unsigned int stage, u32 address, unsigned int width, unsigned int height,
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| 		int format, unsigned int tlutaddr, int tlutfmt, bool use_mipmaps, unsigned int maxlevel, bool from_tmem);
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| 	static void CopyRenderTargetToTexture(u32 dstAddr, unsigned int dstFormat, unsigned int srcFormat,
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| 		const EFBRectangle& srcRect, bool isIntensity, bool scaleByHalf);
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| 
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| 	static void RequestInvalidateTextureCache();
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| 
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| protected:
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| 	TextureCache();
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| 
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| 	static  GC_ALIGNED16(u8 *temp);
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| 	static unsigned int temp_size;
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| 
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| private:
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| 	static bool CheckForCustomTextureLODs(u64 tex_hash, int texformat, unsigned int levels);
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| 	static PC_TexFormat LoadCustomTexture(u64 tex_hash, int texformat, unsigned int level, unsigned int& width, unsigned int& height);
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| 	static void DumpTexture(TCacheEntryBase* entry, unsigned int level);
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| 
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| 	typedef std::map<u32, TCacheEntryBase*> TexCache;
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| 
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| 	static TexCache textures;
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| 
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| 	// Backup configuration values
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| 	static struct BackupConfig
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| 	{
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| 		int s_colorsamples;
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| 		bool s_copy_efb_to_texture;
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| 		bool s_copy_efb_scaled;
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| 		bool s_copy_efb;
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| 		int s_efb_scale;
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| 		bool s_texfmt_overlay;
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| 		bool s_texfmt_overlay_center;
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| 		bool s_hires_textures;
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| 		bool s_copy_cache_enable;
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| 	} backup_config;
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| };
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| 
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| extern TextureCache *g_texture_cache;
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| 
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| #endif
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