253 lines
9.0 KiB
C++
253 lines
9.0 KiB
C++
// Copyright (C) 2003 Dolphin Project.
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// This program is free software: you can redistribute it and/or modify
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// it under the terms of the GNU General Public License as published by
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// the Free Software Foundation, version 2.0.
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// This program is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License 2.0 for more details.
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// A copy of the GPL 2.0 should have been included with the program.
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// If not, see http://www.gnu.org/licenses/
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// Official SVN repository and contact information can be found at
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// http://code.google.com/p/dolphin-emu/
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#include "Common.h"
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#include "VideoCommon.h"
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#include "VertexLoader.h"
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#include "VertexLoader_Position.h"
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#include "NativeVertexWriter.h"
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extern float posScale;
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extern TVtxAttr *pVtxAttr;
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// Thoughts on the implementation of a vertex loader compiler.
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// s_pCurBufferPointer should definitely be in a register.
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// Could load the position scale factor in XMM7, for example.
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// The pointer inside DataReadU8 in another.
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// Let's check out Pos_ReadDirect_UByte(). For Byte, replace MOVZX with MOVSX.
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/*
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MOVZX(32, R(EAX), MOffset(ESI, 0));
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MOVZX(32, R(EBX), MOffset(ESI, 1));
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MOVZX(32, R(ECX), MOffset(ESI, 2));
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MOVD(XMM0, R(EAX));
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MOVD(XMM1, R(EBX));
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MOVD(XMM2, R(ECX));
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CVTDQ2PS(XMM0, XMM0);
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CVTDQ2PS(XMM1, XMM1);
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CVTDQ2PS(XMM2, XMM2);
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MULSS(XMM0, XMM7);
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MULSS(XMM1, XMM7);
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MULSS(XMM2, XMM7);
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MOVSS(MOffset(EDI, 0), XMM0);
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MOVSS(MOffset(EDI, 4), XMM1);
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MOVSS(MOffset(EDI, 8), XMM2);
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Alternatively, lookup table:
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MOVZX(32, R(EAX), MOffset(ESI, 0));
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MOVZX(32, R(EBX), MOffset(ESI, 1));
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MOVZX(32, R(ECX), MOffset(ESI, 2));
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MOV(32, R(EAX), MComplex(LUTREG, EAX, 4));
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MOV(32, R(EBX), MComplex(LUTREG, EBX, 4));
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MOV(32, R(ECX), MComplex(LUTREG, ECX, 4));
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MOV(MOffset(EDI, 0), XMM0);
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MOV(MOffset(EDI, 4), XMM1);
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MOV(MOffset(EDI, 8), XMM2);
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SSE4:
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PINSRB(XMM0, MOffset(ESI, 0), 0);
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PINSRB(XMM0, MOffset(ESI, 1), 4);
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PINSRB(XMM0, MOffset(ESI, 2), 8);
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CVTDQ2PS(XMM0, XMM0);
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<two unpacks here to sign extend>
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MULPS(XMM0, XMM7);
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MOVUPS(MOffset(EDI, 0), XMM0);
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*/
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// ==============================================================================
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// Direct
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// ==============================================================================
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template <class T, bool three>
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void Pos_ReadDirect()
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{
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((float*)VertexManager::s_pCurBufferPointer)[0] = (float)(T)DataRead<T>() * posScale;
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((float*)VertexManager::s_pCurBufferPointer)[1] = (float)(T)DataRead<T>() * posScale;
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if (three)
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((float*)VertexManager::s_pCurBufferPointer)[2] = (float)(T)DataRead<T>() * posScale;
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else
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((float*)VertexManager::s_pCurBufferPointer)[2] = 0.0f;
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LOG_VTX();
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VertexManager::s_pCurBufferPointer += 12;
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}
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void LOADERDECL Pos_ReadDirect_UByte3() { Pos_ReadDirect<u8, true>(); }
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void LOADERDECL Pos_ReadDirect_Byte3() { Pos_ReadDirect<s8, true>(); }
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void LOADERDECL Pos_ReadDirect_UShort3() { Pos_ReadDirect<u16, true>(); }
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void LOADERDECL Pos_ReadDirect_Short3() { Pos_ReadDirect<s16, true>(); }
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void LOADERDECL Pos_ReadDirect_UByte2() { Pos_ReadDirect<u8, false>(); }
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void LOADERDECL Pos_ReadDirect_Byte2() { Pos_ReadDirect<s8, false>(); }
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void LOADERDECL Pos_ReadDirect_UShort2() { Pos_ReadDirect<u16, false>(); }
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void LOADERDECL Pos_ReadDirect_Short2() { Pos_ReadDirect<s16, false>(); }
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void LOADERDECL Pos_ReadDirect_Float3()
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{
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// No need to use floating point here.
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((u32 *)VertexManager::s_pCurBufferPointer)[0] = DataReadU32();
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((u32 *)VertexManager::s_pCurBufferPointer)[1] = DataReadU32();
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((u32 *)VertexManager::s_pCurBufferPointer)[2] = DataReadU32();
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LOG_VTX();
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VertexManager::s_pCurBufferPointer += 12;
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}
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void LOADERDECL Pos_ReadDirect_Float2()
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{
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// No need to use floating point here.
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((u32 *)VertexManager::s_pCurBufferPointer)[0] = DataReadU32();
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((u32 *)VertexManager::s_pCurBufferPointer)[1] = DataReadU32();
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((u32 *)VertexManager::s_pCurBufferPointer)[2] = 0;
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LOG_VTX();
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VertexManager::s_pCurBufferPointer += 12;
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}
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template<class T, bool three>
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inline void Pos_ReadIndex_Byte(int Index)
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{
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const u8* pData = cached_arraybases[ARRAY_POSITION] + ((u32)Index * arraystrides[ARRAY_POSITION]);
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((float*)VertexManager::s_pCurBufferPointer)[0] = ((float)(T)(pData[0])) * posScale;
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((float*)VertexManager::s_pCurBufferPointer)[1] = ((float)(T)(pData[1])) * posScale;
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if (three)
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((float*)VertexManager::s_pCurBufferPointer)[2] = ((float)(T)(pData[2])) * posScale;
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else
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((float*)VertexManager::s_pCurBufferPointer)[2] = 0.0f;
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LOG_VTX();
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VertexManager::s_pCurBufferPointer += 12;
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}
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template<class T, bool three>
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inline void Pos_ReadIndex_Short(int Index)
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{
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const u16* pData = (const u16 *)(cached_arraybases[ARRAY_POSITION] + ((u32)Index * arraystrides[ARRAY_POSITION]));
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((float*)VertexManager::s_pCurBufferPointer)[0] = ((float)(T)Common::swap16(pData[0])) * posScale;
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((float*)VertexManager::s_pCurBufferPointer)[1] = ((float)(T)Common::swap16(pData[1])) * posScale;
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if (three)
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((float*)VertexManager::s_pCurBufferPointer)[2] = ((float)(T)Common::swap16(pData[2])) * posScale;
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else
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((float*)VertexManager::s_pCurBufferPointer)[2] = 0.0f;
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LOG_VTX();
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VertexManager::s_pCurBufferPointer += 12;
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}
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template<bool three>
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inline void Pos_ReadIndex_Float(int Index)
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{
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const u32* pData = (const u32 *)(cached_arraybases[ARRAY_POSITION] + (Index * arraystrides[ARRAY_POSITION]));
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((u32*)VertexManager::s_pCurBufferPointer)[0] = Common::swap32(pData[0]);
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((u32*)VertexManager::s_pCurBufferPointer)[1] = Common::swap32(pData[1]);
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if (three)
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((u32*)VertexManager::s_pCurBufferPointer)[2] = Common::swap32(pData[2]);
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else
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((float*)VertexManager::s_pCurBufferPointer)[2] = 0.0f;
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LOG_VTX();
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VertexManager::s_pCurBufferPointer += 12;
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}
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// ==============================================================================
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// Index 8
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// ==============================================================================
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void LOADERDECL Pos_ReadIndex8_UByte3() {Pos_ReadIndex_Byte<u8, true> (DataReadU8());}
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void LOADERDECL Pos_ReadIndex8_Byte3() {Pos_ReadIndex_Byte<s8, true> (DataReadU8());}
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void LOADERDECL Pos_ReadIndex8_UShort3() {Pos_ReadIndex_Short<u16, true> (DataReadU8());}
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void LOADERDECL Pos_ReadIndex8_Short3() {Pos_ReadIndex_Short<s16, true> (DataReadU8());}
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void LOADERDECL Pos_ReadIndex8_Float3() {Pos_ReadIndex_Float<true> (DataReadU8());}
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void LOADERDECL Pos_ReadIndex8_UByte2() {Pos_ReadIndex_Byte<u8, false>(DataReadU8());}
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void LOADERDECL Pos_ReadIndex8_Byte2() {Pos_ReadIndex_Byte<s8, false>(DataReadU8());}
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void LOADERDECL Pos_ReadIndex8_UShort2() {Pos_ReadIndex_Short<u16, false>(DataReadU8());}
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void LOADERDECL Pos_ReadIndex8_Short2() {Pos_ReadIndex_Short<s16, false>(DataReadU8());}
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void LOADERDECL Pos_ReadIndex8_Float2() {Pos_ReadIndex_Float<false> (DataReadU8());}
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// ==============================================================================
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// Index 16
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// ==============================================================================
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void LOADERDECL Pos_ReadIndex16_UByte3() {Pos_ReadIndex_Byte<u8, true> (DataReadU16());}
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void LOADERDECL Pos_ReadIndex16_Byte3() {Pos_ReadIndex_Byte<s8, true> (DataReadU16());}
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void LOADERDECL Pos_ReadIndex16_UShort3() {Pos_ReadIndex_Short<u16, true> (DataReadU16());}
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void LOADERDECL Pos_ReadIndex16_Short3() {Pos_ReadIndex_Short<s16, true> (DataReadU16());}
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void LOADERDECL Pos_ReadIndex16_Float3() {Pos_ReadIndex_Float<true> (DataReadU16());}
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void LOADERDECL Pos_ReadIndex16_UByte2() {Pos_ReadIndex_Byte<u8, false>(DataReadU16());}
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void LOADERDECL Pos_ReadIndex16_Byte2() {Pos_ReadIndex_Byte<s8, false>(DataReadU16());}
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void LOADERDECL Pos_ReadIndex16_UShort2() {Pos_ReadIndex_Short<u16, false>(DataReadU16());}
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void LOADERDECL Pos_ReadIndex16_Short2() {Pos_ReadIndex_Short<s16, false>(DataReadU16());}
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void LOADERDECL Pos_ReadIndex16_Float2() {Pos_ReadIndex_Float<false> (DataReadU16());}
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ReadPosision tableReadPosition[4][8][2] = {
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{
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{NULL, NULL,},
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{NULL, NULL,},
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{NULL, NULL,},
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{NULL, NULL,},
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{NULL, NULL,},
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},
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{
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{Pos_ReadDirect_UByte2, Pos_ReadDirect_UByte3,},
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{Pos_ReadDirect_Byte2, Pos_ReadDirect_Byte3,},
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{Pos_ReadDirect_UShort2, Pos_ReadDirect_UShort3,},
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{Pos_ReadDirect_Short2, Pos_ReadDirect_Short3,},
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{Pos_ReadDirect_Float2, Pos_ReadDirect_Float3,},
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},
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{
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{Pos_ReadIndex8_UByte2, Pos_ReadIndex8_UByte3,},
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{Pos_ReadIndex8_Byte2, Pos_ReadIndex8_Byte3,},
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{Pos_ReadIndex8_UShort2, Pos_ReadIndex8_UShort3,},
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{Pos_ReadIndex8_Short2, Pos_ReadIndex8_Short3,},
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{Pos_ReadIndex8_Float2, Pos_ReadIndex8_Float3,},
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},
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{
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{Pos_ReadIndex16_UByte2, Pos_ReadIndex16_UByte3,},
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{Pos_ReadIndex16_Byte2, Pos_ReadIndex16_Byte3,},
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{Pos_ReadIndex16_UShort2, Pos_ReadIndex16_UShort3,},
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{Pos_ReadIndex16_Short2, Pos_ReadIndex16_Short3,},
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{Pos_ReadIndex16_Float2, Pos_ReadIndex16_Float3,},
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},
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};
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int tableReadPositionVertexSize[4][8][2] = {
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{
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{0, 0,},
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{0, 0,},
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{0, 0,},
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{0, 0,},
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{0, 0,},
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},
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{
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{2, 3,},
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{2, 3,},
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{4, 6,},
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{4, 6,},
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{8, 12,},
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},
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{
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{1, 1,},
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{1, 1,},
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{1, 1,},
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{1, 1,},
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{1, 1,},
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},
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{
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{2, 2,},
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{2, 2,},
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{2, 2,},
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{2, 2,},
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{2, 2,},
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},
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};
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