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Minor sampler cache cleanup.

This commit is contained in:
Jordan Woyak 2013-02-20 16:58:17 -06:00
parent eae20b77a8
commit e7c93b8ac3
2 changed files with 9 additions and 17 deletions
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24
Source/Plugins/Plugin_VideoOGL/Src/SamplerCache.cpp
View File

@ -49,36 +49,30 @@ void SamplerCache::SetSamplerState(int stage, const TexMode0& tm0, const TexMode
// TODO: Should keep a circular buffer for each stage of recently used samplers.
auto const& active_sampler = m_active_samplers[stage];
auto& active_sampler = m_active_samplers[stage];
if (active_sampler.first != params || !active_sampler.second.sampler_id)
{
// Active sampler does not match parameters (or is invalid), bind the proper one.
auto const new_sampler = GetEntry(params);
glBindSampler(stage, new_sampler.second.sampler_id);
m_active_samplers[stage] = new_sampler;
active_sampler.first = params;
active_sampler.second = GetEntry(params);
glBindSampler(stage, active_sampler.second.sampler_id);
}
}
//active_it->second.last_frame_used = frameCount;
}
auto SamplerCache::GetEntry(const Params& params) -> std::pair<Params, Value>
auto SamplerCache::GetEntry(const Params& params) -> Value&
{
auto it = m_cache.find(params);
if (m_cache.end() == it)
auto& val = m_cache[params];
if (!val.sampler_id)
{
// Sampler not found in cache, create it.
Value val;
glGenSamplers(1, &val.sampler_id);
SetParameters(val.sampler_id, params);
it = m_cache.insert(std::make_pair(params, val)).first;
// TODO: Maybe kill old samplers if the cache gets huge. It doesn't seem to get huge though.
//ERROR_LOG(VIDEO, "Sampler cache size is now %ld.", m_cache.size());
}
return *it;
return val;
}
void SamplerCache::SetParameters(GLuint sampler_id, const Params& params)

4
Source/Plugins/Plugin_VideoOGL/Src/SamplerCache.h
View File

@ -59,15 +59,13 @@ private:
{
Value()
: sampler_id()
// , last_frame_used()
{}
GLuint sampler_id;
//int last_frame_used;
};
void SetParameters(GLuint sampler_id, const Params& params);
std::pair<Params, Value> GetEntry(const Params& params);
Value& GetEntry(const Params& params);
std::map<Params, Value> m_cache;
std::pair<Params, Value> m_active_samplers[8];