dolphin/Source/Core/VideoCommon/TextureCacheBase.h

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