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VideoCommon: Cache native vertex formats

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We are used to have a 1:1 mapping of GX vertex formats and the native (OGL + D3D) ones, but there are by far more GX ones.
This new cache maps them directly so that we don't flush on GX vertex format changes as long as the native one doesn't change.

The idea is stolen from galop1n.
This commit is contained in:
degasus 2014-06-05 17:55:21 +02:00
parent be1fe80bb6
commit bb2fc8ecbb
4 changed files with 30 additions and 8 deletions
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9
Source/Core/VideoCommon/VertexLoader.cpp
View file

@ -463,7 +463,6 @@ VertexLoader::VertexLoader(const TVtxDesc &vtx_desc, const VAT &vtx_attr)
m_compiledCode = nullptr;
m_numLoadedVertices = 0;
m_VertexSize = 0;
m_NativeFmt = nullptr;
loop_counter = 0;
VertexLoader_Normal::Init();
VertexLoader_Position::Init();
@ -488,7 +487,6 @@ VertexLoader::~VertexLoader()
#ifdef USE_VERTEX_LOADER_JIT
FreeCodeSpace();
#endif
delete m_NativeFmt;
}
void VertexLoader::CompileVertexTranslator()
@ -773,9 +771,7 @@ void VertexLoader::CompileVertexTranslator()
ABI_PopAllCalleeSavedRegsAndAdjustStack();
RET();
#endif
m_NativeFmt = g_vertex_manager->CreateNativeVertexFormat();
m_NativeFmt->m_components = components;
m_NativeFmt->Initialize(vtx_decl);
m_NativeFmt = VertexLoaderManager::GetNativeVertexFormat(vtx_decl, components);
}
void VertexLoader::WriteCall(TPipelineFunction func)
@ -825,9 +821,6 @@ void VertexLoader::SetupRunVertices(int vtx_attr_group, int primitive, int const
// Flush if our vertex format is different from the currently set.
if (g_nativeVertexFmt != nullptr && g_nativeVertexFmt != m_NativeFmt)
{
// We really must flush here. It's possible that the native representations
// of the two vtx formats are the same, but we have no way to easily check that
// now.
VertexManager::Flush();
// Also move the Set() here?
}