69 lines
1.4 KiB
C++
69 lines
1.4 KiB
C++
// Copyright 2013 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 "Common/CommonTypes.h"
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#include "Common/GL/GLUtil.h"
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#include "Common/NonCopyable.h"
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#include "VideoBackends/OGL/Render.h"
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namespace OGL
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{
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class SamplerCache : NonCopyable
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{
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public:
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SamplerCache();
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~SamplerCache();
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void SetSamplerState(int stage, const TexMode0& tm0, const TexMode1& tm1, bool custom_tex);
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void Clear();
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void BindNearestSampler(int stage);
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void BindLinearSampler(int stage);
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private:
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struct Params
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{
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union {
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struct
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{
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TexMode0 tm0;
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TexMode1 tm1;
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};
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u64 hex;
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};
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Params() : hex() {}
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Params(const TexMode0& _tm0, const TexMode1& _tm1) : tm0(_tm0), tm1(_tm1)
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{
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static_assert(sizeof(Params) == 8, "Assuming I can treat this as a 64bit int.");
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}
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bool operator<(const Params& other) const { return hex < other.hex; }
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bool operator!=(const Params& other) const { return hex != other.hex; }
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};
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struct Value
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{
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Value() : sampler_id() {}
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GLuint sampler_id;
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};
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void SetParameters(GLuint sampler_id, const Params& params);
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Value& GetEntry(const Params& params);
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std::map<Params, Value> m_cache;
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std::pair<Params, Value> m_active_samplers[8];
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int m_last_max_anisotropy;
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u32 m_sampler_id[2];
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};
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extern std::unique_ptr<SamplerCache> g_sampler_cache;
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}
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