mirror of
https://github.com/dolphin-emu/dolphin.git
synced 2024-09-21 20:01:40 +02:00
f295182833
Approximately three or four times now, the issue of pointers being in an inconsistent state been an issue in the video backend renderers with regards to tripping up other developers. Global (ugh) resources are put into a unique_ptr and will always have a well-defined state of being - null or not null
86 lines
1.4 KiB
C++
86 lines
1.4 KiB
C++
// Copyright 2013 Dolphin Emulator Project
|
|
// Licensed under GPLv2+
|
|
// Refer to the license.txt file included.
|
|
|
|
#pragma once
|
|
|
|
#include <map>
|
|
#include <memory>
|
|
|
|
#include "Common/CommonTypes.h"
|
|
#include "Common/NonCopyable.h"
|
|
#include "Common/GL/GLUtil.h"
|
|
#include "VideoBackends/OGL/Render.h"
|
|
|
|
namespace OGL
|
|
{
|
|
|
|
class SamplerCache : NonCopyable
|
|
{
|
|
public:
|
|
SamplerCache();
|
|
~SamplerCache();
|
|
|
|
void SetSamplerState(int stage, const TexMode0& tm0, const TexMode1& tm1, bool custom_tex);
|
|
void Clear();
|
|
void BindNearestSampler(int stage);
|
|
void BindLinearSampler(int stage);
|
|
|
|
private:
|
|
struct Params
|
|
{
|
|
union
|
|
{
|
|
struct
|
|
{
|
|
TexMode0 tm0;
|
|
TexMode1 tm1;
|
|
};
|
|
|
|
u64 hex;
|
|
};
|
|
|
|
Params()
|
|
: hex()
|
|
{}
|
|
|
|
Params(const TexMode0& _tm0, const TexMode1& _tm1)
|
|
: tm0(_tm0)
|
|
, tm1(_tm1)
|
|
{
|
|
static_assert(sizeof(Params) == 8, "Assuming I can treat this as a 64bit int.");
|
|
}
|
|
|
|
bool operator<(const Params& other) const
|
|
{
|
|
return hex < other.hex;
|
|
}
|
|
|
|
bool operator!=(const Params& other) const
|
|
{
|
|
return hex != other.hex;
|
|
}
|
|
};
|
|
|
|
struct Value
|
|
{
|
|
Value()
|
|
: sampler_id()
|
|
{}
|
|
|
|
GLuint sampler_id;
|
|
};
|
|
|
|
void SetParameters(GLuint sampler_id, const Params& params);
|
|
Value& GetEntry(const Params& params);
|
|
|
|
std::map<Params, Value> m_cache;
|
|
std::pair<Params, Value> m_active_samplers[8];
|
|
|
|
int m_last_max_anisotropy;
|
|
u32 m_sampler_id[2];
|
|
};
|
|
|
|
extern std::unique_ptr<SamplerCache> g_sampler_cache;
|
|
|
|
}
|