dolphin/Source/Core/VideoCommon/VertexLoaderBase.h
Lioncash 1df1ba55bb VideoCommon: Convert some DataReader includes into forward declarations
Gets rid of some indirect inclusions in cpp files.
Also this will reduce the amount of rebuilt files if
changes occur in the DataReader header.
2016-01-31 15:19:20 -05:00

105 lines
2.0 KiB
C++

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