232 lines
7.3 KiB
C++
232 lines
7.3 KiB
C++
// Copyright 2010 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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#pragma once
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#include <map>
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#include <memory>
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#include <tuple>
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#include <unordered_map>
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#include <unordered_set>
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#include "Common/CommonTypes.h"
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#include "VideoCommon/BPMemory.h"
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#include "VideoCommon/TextureDecoder.h"
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#include "VideoCommon/VideoCommon.h"
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struct VideoConfig;
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class TextureCacheBase
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{
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public:
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struct TCacheEntryConfig
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{
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constexpr TCacheEntryConfig() = default;
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bool operator==(const TCacheEntryConfig& o) const
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{
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return std::tie(width, height, levels, layers, rendertarget) ==
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std::tie(o.width, o.height, o.levels, o.layers, o.rendertarget);
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}
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struct Hasher : std::hash<u64>
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{
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size_t operator()(const TCacheEntryConfig& c) const
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{
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u64 id = (u64)c.rendertarget << 63 | (u64)c.layers << 48 | (u64)c.levels << 32 |
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(u64)c.height << 16 | (u64)c.width;
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return std::hash<u64>::operator()(id);
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}
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};
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u32 width = 0;
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u32 height = 0;
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u32 levels = 1;
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u32 layers = 1;
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bool rendertarget = false;
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};
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struct TCacheEntryBase
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{
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const TCacheEntryConfig config;
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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 base_hash;
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u64 hash; // for paletted textures, hash = base_hash ^ palette_hash
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u32 format; // bits 0-3 will contain the in-memory format.
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u32 memory_stride;
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bool is_efb_copy;
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bool is_custom_tex;
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bool may_have_overlapping_textures;
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unsigned int native_width,
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native_height; // Texture dimensions from the GameCube's point of view
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unsigned int native_levels;
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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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// Keep an iterator to the entry in textures_by_hash, so it does not need to be searched when
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// removing the cache entry
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std::multimap<u64, TCacheEntryBase*>::iterator textures_by_hash_iter;
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// This is used to keep track of both:
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// * efb copies used by this partially updated texture
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// * partially updated textures which refer to this efb copy
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std::unordered_set<TCacheEntryBase*> references;
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void SetGeneralParameters(u32 _addr, u32 _size, u32 _format)
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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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}
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void SetDimensions(unsigned int _native_width, unsigned int _native_height,
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unsigned int _native_levels)
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{
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native_width = _native_width;
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native_height = _native_height;
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native_levels = _native_levels;
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memory_stride = _native_width;
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}
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void SetHashes(u64 _base_hash, u64 _hash)
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{
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base_hash = _base_hash;
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hash = _hash;
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}
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// This texture entry is used by the other entry as a sub-texture
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void CreateReference(TCacheEntryBase* other_entry)
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{
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// References are two-way, so they can easily be destroyed later
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this->references.emplace(other_entry);
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other_entry->references.emplace(this);
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}
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void DestroyAllReferences()
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{
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for (auto& reference : references)
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reference->references.erase(this);
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references.clear();
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}
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void SetEfbCopy(u32 stride);
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TCacheEntryBase(const TCacheEntryConfig& c) : config(c) {}
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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 std::string& filename, unsigned int level) = 0;
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virtual void CopyRectangleFromTexture(const TCacheEntryBase* source,
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const MathUtil::Rectangle<int>& srcrect,
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const MathUtil::Rectangle<int>& dstrect) = 0;
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virtual void Load(const u8* buffer, u32 width, u32 height, u32 expanded_width, u32 level) = 0;
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virtual void FromRenderTarget(bool is_depth_copy, const EFBRectangle& srcRect, bool scaleByHalf,
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unsigned int cbufid, const float* colmat) = 0;
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bool OverlapsMemoryRange(u32 range_address, u32 range_size) const;
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bool IsEfbCopy() const { return is_efb_copy; }
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u32 NumBlocksY() const;
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u32 BytesPerRow() const;
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u64 CalculateHash() const;
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};
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virtual ~TextureCacheBase(); // needs virtual for DX11 dtor
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void OnConfigChanged(VideoConfig& config);
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// Removes textures which aren't used for more than TEXTURE_KILL_THRESHOLD frames,
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// frameCount is the current frame number.
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void Cleanup(int _frameCount);
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void Invalidate();
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virtual TCacheEntryBase* CreateTexture(const TCacheEntryConfig& config) = 0;
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virtual void CopyEFB(u8* dst, u32 format, u32 native_width, u32 bytes_per_row, u32 num_blocks_y,
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u32 memory_stride, bool is_depth_copy, const EFBRectangle& srcRect,
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bool isIntensity, bool scaleByHalf) = 0;
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virtual bool CompileShaders() = 0;
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virtual void DeleteShaders() = 0;
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TCacheEntryBase* Load(const u32 stage);
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void UnbindTextures();
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virtual void BindTextures();
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void CopyRenderTargetToTexture(u32 dstAddr, unsigned int dstFormat, u32 dstStride,
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bool is_depth_copy, const EFBRectangle& srcRect, bool isIntensity,
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bool scaleByHalf);
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virtual void ConvertTexture(TCacheEntryBase* entry, TCacheEntryBase* unconverted, void* palette,
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TlutFormat format) = 0;
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protected:
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TextureCacheBase();
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alignas(16) u8* temp = nullptr;
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size_t temp_size = 0;
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TCacheEntryBase* bound_textures[8] = {};
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private:
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typedef std::multimap<u32, TCacheEntryBase*> TexAddrCache;
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typedef std::multimap<u64, TCacheEntryBase*> TexHashCache;
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typedef std::unordered_multimap<TCacheEntryConfig, TCacheEntryBase*, TCacheEntryConfig::Hasher>
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TexPool;
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void SetBackupConfig(const VideoConfig& config);
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TCacheEntryBase* ApplyPaletteToEntry(TCacheEntryBase* entry, u8* palette, u32 tlutfmt);
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void ScaleTextureCacheEntryTo(TCacheEntryBase** entry, u32 new_width, u32 new_height);
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TCacheEntryBase* DoPartialTextureUpdates(TCacheEntryBase* entry_to_update, u8* palette,
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u32 tlutfmt);
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void DumpTexture(TCacheEntryBase* entry, std::string basename, unsigned int level);
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void CheckTempSize(size_t required_size);
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TCacheEntryBase* AllocateTexture(const TCacheEntryConfig& config);
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TexPool::iterator FindMatchingTextureFromPool(const TCacheEntryConfig& config);
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TexAddrCache::iterator GetTexCacheIter(TCacheEntryBase* entry);
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// Return all possible overlapping textures. As addr+size of the textures is not
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// indexed, this may return false positives.
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std::pair<TexAddrCache::iterator, TexAddrCache::iterator>
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FindOverlappingTextures(u32 addr, u32 size_in_bytes);
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// Removes and unlinks texture from texture cache and returns it to the pool
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TexAddrCache::iterator InvalidateTexture(TexAddrCache::iterator t_iter);
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TCacheEntryBase* ReturnEntry(unsigned int stage, TCacheEntryBase* entry);
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TexAddrCache textures_by_address;
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TexHashCache textures_by_hash;
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TexPool texture_pool;
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// Backup configuration values
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struct BackupConfig
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{
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int color_samples;
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bool texfmt_overlay;
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bool texfmt_overlay_center;
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bool hires_textures;
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bool cache_hires_textures;
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bool copy_cache_enable;
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bool stereo_3d;
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bool efb_mono_depth;
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};
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BackupConfig backup_config = {};
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};
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extern std::unique_ptr<TextureCacheBase> g_texture_cache;
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