dolphin/Source/Core/VideoCommon/TextureCacheBase.h

182 lines
5.3 KiB
C++

// Copyright 2010 Dolphin Emulator Project
// Licensed under GPLv2+
// Refer to the license.txt file included.
#pragma once
#include <functional>
#include <map>
#include <unordered_map>
#include "Common/CommonTypes.h"
#include "Common/Thread.h"
#include "VideoCommon/BPMemory.h"
#include "VideoCommon/TextureDecoder.h"
#include "VideoCommon/VideoCommon.h"
struct VideoConfig;
class TextureCache
{
public:
struct TCacheEntryConfig
{
TCacheEntryConfig() : width(0), height(0), levels(1), layers(1), rendertarget(false) {}
u32 width, height;
u32 levels, layers;
bool rendertarget;
bool operator == (const TCacheEntryConfig& b) const
{
return width == b.width && height == b.height && levels == b.levels && layers == b.layers && rendertarget == b.rendertarget;
}
struct Hasher : std::hash<u64>
{
size_t operator()(const TextureCache::TCacheEntryConfig& c) const
{
u64 id = (u64)c.rendertarget << 63 | (u64)c.layers << 48 | (u64)c.levels << 32 | (u64)c.height << 16 | (u64)c.width;
return std::hash<u64>::operator()(id);
}
};
};
struct TCacheEntryBase
{
const TCacheEntryConfig config;
// common members
u32 addr;
u32 size_in_bytes;
u64 base_hash;
u64 hash; // for paletted textures, hash = base_hash ^ palette_hash
u32 format;
bool is_efb_copy;
bool is_custom_tex;
u32 memory_stride;
unsigned int native_width, native_height; // Texture dimensions from the GameCube's point of view
unsigned int native_levels;
// used to delete textures which haven't been used for TEXTURE_KILL_THRESHOLD frames
int frameCount;
// Keep an iterator to the entry in textures_by_hash, so it does not need to be searched when removing the cache entry
std::multimap<u64, TCacheEntryBase*>::iterator textures_by_hash_iter;
void SetGeneralParameters(u32 _addr, u32 _size, u32 _format)
{
addr = _addr;
size_in_bytes = _size;
format = _format;
}
void SetDimensions(unsigned int _native_width, unsigned int _native_height, unsigned int _native_levels)
{
native_width = _native_width;
native_height = _native_height;
native_levels = _native_levels;
memory_stride = _native_width;
}
void SetHashes(u64 _base_hash, u64 _hash)
{
base_hash = _base_hash;
hash = _hash;
}
void SetEfbCopy(u32 stride);
TCacheEntryBase(const TCacheEntryConfig& c) : config(c) {}
virtual ~TCacheEntryBase();
virtual void Bind(unsigned int stage) = 0;
virtual bool Save(const std::string& filename, unsigned int level) = 0;
virtual void CopyRectangleFromTexture(
const TCacheEntryBase* source,
const MathUtil::Rectangle<int> &srcrect,
const MathUtil::Rectangle<int> &dstrect) = 0;
virtual void Load(unsigned int width, unsigned int height,
unsigned int expanded_width, unsigned int level) = 0;
virtual void FromRenderTarget(u8* dst, unsigned int dstFormat, u32 dstStride,
PEControl::PixelFormat srcFormat, const EFBRectangle& srcRect,
bool isIntensity, bool scaleByHalf, unsigned int cbufid,
const float *colmat) = 0;
bool OverlapsMemoryRange(u32 range_address, u32 range_size) const;
bool IsEfbCopy() const { return is_efb_copy; }
u32 NumBlocksY() const;
u32 CacheLinesPerRow() const;
void Zero(u8* ptr);
};
virtual ~TextureCache(); // needs virtual for DX11 dtor
static void OnConfigChanged(VideoConfig& config);
// Removes textures which aren't used for more than TEXTURE_KILL_THRESHOLD frames,
// frameCount is the current frame number.
static void Cleanup(int _frameCount);
static void Invalidate();
virtual TCacheEntryBase* CreateTexture(const TCacheEntryConfig& config) = 0;
virtual void CompileShaders() = 0; // currently only implemented by OGL
virtual void DeleteShaders() = 0; // currently only implemented by OGL
static TCacheEntryBase* Load(const u32 stage);
static void UnbindTextures();
static void BindTextures();
static void CopyRenderTargetToTexture(u32 dstAddr, unsigned int dstFormat, u32 dstStride,
PEControl::PixelFormat srcFormat, const EFBRectangle& srcRect, bool isIntensity, bool scaleByHalf);
static void RequestInvalidateTextureCache();
virtual void ConvertTexture(TCacheEntryBase* entry, TCacheEntryBase* unconverted, void* palette, TlutFormat format) = 0;
protected:
TextureCache();
alignas(16) static u8* temp;
static size_t temp_size;
private:
typedef std::multimap<u64, TCacheEntryBase*> TexCache;
typedef std::unordered_multimap<TCacheEntryConfig, TCacheEntryBase*, TCacheEntryConfig::Hasher> TexPool;
static TCacheEntryBase* DoPartialTextureUpdates(TexCache::iterator iter);
static void DumpTexture(TCacheEntryBase* entry, std::string basename, unsigned int level);
static void CheckTempSize(size_t required_size);
static TCacheEntryBase* AllocateTexture(const TCacheEntryConfig& config);
static TexCache::iterator FreeTexture(TexCache::iterator t_iter);
static TCacheEntryBase* ReturnEntry(unsigned int stage, TCacheEntryBase* entry);
static TexCache textures_by_address;
static TexCache textures_by_hash;
static TexPool texture_pool;
static TCacheEntryBase* bound_textures[8];
// Backup configuration values
static struct BackupConfig
{
int s_colorsamples;
bool s_texfmt_overlay;
bool s_texfmt_overlay_center;
bool s_hires_textures;
bool s_cache_hires_textures;
bool s_copy_cache_enable;
bool s_stereo_3d;
bool s_efb_mono_depth;
} backup_config;
};
extern TextureCache *g_texture_cache;