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Switch to an unordered_map as a micro-optimization.

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This commit is contained in:
comex 2014-08-27 22:37:08 -04:00
parent f8452ff501
commit 90638c6806
3 changed files with 18 additions and 4 deletions
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16
Source/Core/VideoCommon/NativeVertexFormat.h
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@ -4,7 +4,7 @@
#pragma once
#include "Common/CommonTypes.h"
#include "Common/Hash.h"
// m_components
enum
@ -87,6 +87,20 @@ struct PortableVertexDeclaration
}
};
namespace std
{
template <>
struct hash<PortableVertexDeclaration>
{
size_t operator()(const PortableVertexDeclaration& decl) const
{
return HashFletcher((u8 *) &decl, sizeof(decl));
}
};
}
// The implementation of this class is specific for GL/DX, so NativeVertexFormat.cpp
// is in the respective backend, not here in VideoCommon.

2
Source/Core/VideoCommon/VertexLoader.cpp
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@ -1051,4 +1051,4 @@ NativeVertexFormat* VertexLoader::GetNativeVertexFormat()
}
std::map<PortableVertexDeclaration, std::unique_ptr<NativeVertexFormat>> VertexLoader::s_native_vertex_map;
std::unordered_map<PortableVertexDeclaration, std::unique_ptr<NativeVertexFormat>> VertexLoader::s_native_vertex_map;

4
Source/Core/VideoCommon/VertexLoader.h
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@ -8,9 +8,9 @@
// Metroid Prime: P I16-flt N I16-s16 T0 I16-u16 T1 i16-flt
#include <algorithm>
#include <map>
#include <memory>
#include <string>
#include <unordered_map>
#include "Common/CommonTypes.h"
#include "Common/x64Emitter.h"
@ -141,7 +141,7 @@ private:
int m_numLoadedVertices;
NativeVertexFormat* m_native_vertex_format;
static std::map<PortableVertexDeclaration, std::unique_ptr<NativeVertexFormat>> s_native_vertex_map;
static std::unordered_map<PortableVertexDeclaration, std::unique_ptr<NativeVertexFormat>> s_native_vertex_map;
void SetVAT(const VAT& vat);