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80 lines
1.1 KiB
C++
80 lines
1.1 KiB
C++
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#ifndef INCLUDE_SAMPLER_CACHE_H_
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#define INCLUDE_SAMPLER_CACHE_H_
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#include <map>
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#include "Render.h"
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#include "GLUtil.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);
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void Clear();
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private:
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struct Params
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{
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union
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{
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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()
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: hex()
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{}
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Params(const TexMode0& _tm0, const TexMode1& _tm1)
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: tm0(_tm0)
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, 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
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{
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return hex < other.hex;
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}
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bool operator!=(const Params& other) const
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{
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return hex != other.hex;
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}
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};
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struct Value
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{
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Value()
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: sampler_id()
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{}
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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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};
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extern SamplerCache *g_sampler_cache;
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}
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#endif
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