104 lines
2.0 KiB
C++
104 lines
2.0 KiB
C++
// Copyright 2014 Dolphin Emulator Project
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// Licensed under GPLv2
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// Refer to the license.txt file included.
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#pragma once
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#include <array>
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#include <string>
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#include "Common/CommonTypes.h"
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#include "VideoCommon/CPMemory.h"
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#include "VideoCommon/DataReader.h"
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#include "VideoCommon/NativeVertexFormat.h"
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class VertexLoaderUID
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{
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std::array<u32, 5> vid;
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size_t hash;
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public:
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VertexLoaderUID()
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{
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}
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VertexLoaderUID(const TVtxDesc& vtx_desc, const VAT& vat)
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{
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vid[0] = vtx_desc.Hex & 0xFFFFFFFF;
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vid[1] = vtx_desc.Hex >> 32;
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vid[2] = vat.g0.Hex;
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vid[3] = vat.g1.Hex;
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vid[4] = vat.g2.Hex;
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hash = CalculateHash();
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}
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bool operator == (const VertexLoaderUID& rh) const
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{
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return vid == rh.vid;
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}
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size_t GetHash() const
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{
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return hash;
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}
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private:
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size_t CalculateHash() const
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{
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size_t h = -1;
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for (auto word : vid)
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{
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h = h * 137 + word;
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}
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return h;
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}
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};
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namespace std
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{
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template <> struct hash<VertexLoaderUID>
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{
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size_t operator()(const VertexLoaderUID& uid) const
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{
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return uid.GetHash();
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}
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};
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}
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class VertexLoaderBase
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{
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public:
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static VertexLoaderBase* CreateVertexLoader(const TVtxDesc &vtx_desc, const VAT &vtx_attr);
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virtual ~VertexLoaderBase() {}
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virtual int RunVertices(DataReader src, DataReader dst, int count, int primitive) = 0;
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virtual bool IsInitialized() = 0;
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// For debugging / profiling
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void AppendToString(std::string *dest) const;
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virtual std::string GetName() const = 0;
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// per loader public state
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int m_VertexSize; // number of bytes of a raw GC vertex
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PortableVertexDeclaration m_native_vtx_decl;
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u32 m_native_components;
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// used by VertexLoaderManager
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NativeVertexFormat* m_native_vertex_format;
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int m_numLoadedVertices;
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protected:
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VertexLoaderBase(const TVtxDesc &vtx_desc, const VAT &vtx_attr);
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void SetVAT(const VAT& vat);
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// GC vertex format
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TVtxAttr m_VtxAttr; // VAT decoded into easy format
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TVtxDesc m_VtxDesc; // Not really used currently - or well it is, but could be easily avoided.
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VAT m_vat;
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};
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