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// Copyright 2013 Dolphin Emulator Project
// Licensed under GPLv2
// Refer to the license.txt file included.
#pragma once
// Top vertex loaders
// Metroid Prime: P I16-flt N I16-s16 T0 I16-u16 T1 i16-flt
#include <algorithm>
#include <string>
#include "Common/Common.h"
#include "Common/x64Emitter.h"
#include "VideoCommon/CPMemory.h"
#include "VideoCommon/DataReader.h"
#include "VideoCommon/NativeVertexFormat.h"
#ifndef _M_GENERIC
#ifndef __APPLE__
#define USE_VERTEX_LOADER_JIT
#endif
#endif
class VertexLoaderUID
{
u32 vid[5];
size_t hash;
public:
VertexLoaderUID()
{
}
void InitFromCurrentState(int vtx_attr_group)
{
vid[0] = g_VtxDesc.Hex & 0xFFFFFFFF;
vid[1] = g_VtxDesc.Hex >> 32;
vid[2] = g_VtxAttr[vtx_attr_group].g0.Hex & ~VAT_0_FRACBITS;
vid[3] = g_VtxAttr[vtx_attr_group].g1.Hex & ~VAT_1_FRACBITS;
vid[4] = g_VtxAttr[vtx_attr_group].g2.Hex & ~VAT_2_FRACBITS;
hash = CalculateHash();
}
bool operator < (const VertexLoaderUID &other) const
{
// This is complex because of speed.
if (vid[0] < other.vid[0])
return true;
else if (vid[0] > other.vid[0])
return false;
for (int i = 1; i < 5; ++i)
{
if (vid[i] < other.vid[i])
return true;
else if (vid[i] > other.vid[i])
return false;
}
return false;
}
bool operator == (const VertexLoaderUID& rh) const
{
return hash == rh.hash && std::equal(vid, vid + sizeof(vid) / sizeof(vid[0]), rh.vid);
}
size_t GetHash() const
{
return hash;
}
private:
size_t CalculateHash()
{
size_t h = -1;
for (auto word : vid)
{
h = h * 137 + word;
}
return h;
}
};
// ARMTODO: This should be done in a better way
#ifndef _M_GENERIC
class VertexLoader : public Gen::X64CodeBlock
#else
class VertexLoader
#endif
{
public:
VertexLoader(const TVtxDesc &vtx_desc, const VAT &vtx_attr);
~VertexLoader();
int GetVertexSize() const {return m_VertexSize;}
void SetupRunVertices(int vtx_attr_group, int primitive, int const count);
void RunVertices(int vtx_attr_group, int primitive, int count);
// For debugging / profiling
void AppendToString(std::string *dest) const;
int GetNumLoadedVerts() const { return m_numLoadedVertices; }
private:
int m_VertexSize; // number of bytes of a raw GC vertex. Computed by CompileVertexTranslator.
// 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.
// PC vertex format
NativeVertexFormat *m_NativeFmt;
int native_stride;
#ifndef USE_VERTEX_LOADER_JIT
// Pipeline.
TPipelineFunction m_PipelineStages[64]; // TODO - figure out real max. it's lower.
int m_numPipelineStages;
#endif
const u8 *m_compiledCode;
int m_numLoadedVertices;
void SetVAT(u32 _group0, u32 _group1, u32 _group2);
void CompileVertexTranslator();
void ConvertVertices(int count);
void WriteCall(TPipelineFunction);
#ifndef _M_GENERIC
void WriteGetVariable(int bits, Gen::OpArg dest, void *address);
void WriteSetVariable(int bits, void *address, Gen::OpArg dest);
#endif
};
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