mirror of
https://github.com/dolphin-emu/dolphin.git
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137 lines
4.1 KiB
C++
137 lines
4.1 KiB
C++
// Copyright (C) 2003 Dolphin Project.
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// This program is free software: you can redistribute it and/or modify
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// it under the terms of the GNU General Public License as published by
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// the Free Software Foundation, version 2.0.
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// This program is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License 2.0 for more details.
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// A copy of the GPL 2.0 should have been included with the program.
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// If not, see http://www.gnu.org/licenses/
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// Official SVN repository and contact information can be found at
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// http://code.google.com/p/dolphin-emu/
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#ifndef _TEXTURECACHEBASE_H
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#define _TEXTURECACHEBASE_H
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#include <map>
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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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#include "CommonTypes.h"
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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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struct TCacheEntryBase
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{
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#define TEXHASH_INVALID 0
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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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enum TexCacheEntryType type;
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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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// used to delete textures which haven't been used for TEXTURE_KILL_THRESHOLD frames
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int frameCount;
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void SetGeneralParameters(u32 addr, u32 size, u32 format, unsigned int num_mipmaps)
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{
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this->addr = addr;
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this->size_in_bytes = size;
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this->format = format;
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this->num_mipmaps = num_mipmaps;
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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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this->native_width = native_width;
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this->native_height = native_height;
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this->virtual_width = virtual_width;
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this->virtual_height = virtual_height;
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}
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void SetHashes(u64 hash/*, u32 pal_hash*/)
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{
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this->hash = hash;
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//this->pal_hash = pal_hash;
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}
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virtual ~TCacheEntryBase();
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virtual void Bind(unsigned int stage) = 0;
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virtual bool Save(const char filename[]) = 0;
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virtual void Load(unsigned int width, unsigned int height,
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unsigned int expanded_width, unsigned int level, bool autogen_mips) = 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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int IntersectsMemoryRange(u32 range_address, u32 range_size) const;
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bool IsEfbCopy() { return (type == TCET_EC_VRAM || type == TCET_EC_DYNAMIC); }
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};
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virtual ~TextureCache(); // needs virtual for DX11 dtor
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static void Cleanup();
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static void Invalidate(bool shutdown);
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static void InvalidateDefer();
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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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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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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 UseNativeMips, 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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static bool DeferredInvalidate;
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protected:
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TextureCache();
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static GC_ALIGNED16(u8 *temp);
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private:
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typedef std::map<u32, TCacheEntryBase*> TexCache;
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static TexCache textures;
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};
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extern TextureCache *g_texture_cache;
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#endif
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