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