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Eliminated a memcpy in DX11's vertex shader disk cache loading. Maybe games will boot faster now, who knows?

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git-svn-id: https://dolphin-emu.googlecode.com/svn/trunk@7422 8ced0084-cf51-0410-be5f-012b33b47a6e
This commit is contained in:
Jordan Woyak
2011-03-30 10:46:27 +00:00
parent 3d5d205c73
commit 306c3570d1
5 changed files with 59 additions and 45 deletions
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13
Source/Plugins/Plugin_VideoDX11/Src/VertexShaderCache.cpp
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@ -68,14 +68,15 @@ ID3D11Buffer*const& VertexShaderCache::GetConstantBuffer()
}
// this class will load the precompiled shaders into our cache
class VertexShaderCacheInserter : public LinearDiskCacheReader<VERTEXSHADERUID, u8>
class VertexShaderCacheInserter
{
public:
void Read(const VERTEXSHADERUID &key, const u8 *value, u32 value_size)
template <typename F>
void operator()(const VERTEXSHADERUID& key, u32 value_size, F get_data) const
{
ID3D10Blob* blob = nullptr;
PD3D10CreateBlob(value_size, &blob);
memcpy(blob->GetBufferPointer(), value, value_size); // TODO: i would like to eliminate this memcpy
get_data((u8*)blob->GetBufferPointer()); // read data from file into blob
VertexShaderCache::InsertByteCode(key, SharedPtr<ID3D10Blob>::FromPtr(blob));
}
@ -176,9 +177,9 @@ void VertexShaderCache::Init()
char cache_filename[MAX_PATH];
sprintf(cache_filename, "%sdx11-%s-vs.cache", File::GetUserPath(D_SHADERCACHE_IDX).c_str(),
SConfig::GetInstance().m_LocalCoreStartupParameter.m_strUniqueID.c_str());
VertexShaderCacheInserter inserter;
g_vs_disk_cache.OpenAndRead(cache_filename, inserter);
SConfig::GetInstance().m_LocalCoreStartupParameter.m_strUniqueID.c_str());
g_vs_disk_cache.OpenAndRead(cache_filename, VertexShaderCacheInserter());
}
void VertexShaderCache::Clear()