195 lines
7.9 KiB
C++
195 lines
7.9 KiB
C++
// Copyright (C) 2003-2008 Dolphin Project.
|
|
|
|
// This program is free software: you can redistribute it and/or modify
|
|
// it under the terms of the GNU General Public License as published by
|
|
// the Free Software Foundation, version 2.0.
|
|
|
|
// This program is distributed in the hope that it will be useful,
|
|
// but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
// GNU General Public License 2.0 for more details.
|
|
|
|
// A copy of the GPL 2.0 should have been included with the program.
|
|
// If not, see http://www.gnu.org/licenses/
|
|
|
|
// Official SVN repository and contact information can be found at
|
|
// http://code.google.com/p/dolphin-emu/
|
|
|
|
#ifndef VERTEXLOADER_POSITION_H
|
|
#define VERTEXLOADER_POSITION_H
|
|
|
|
#include "Common.h"
|
|
#include "VideoCommon.h"
|
|
#include "VertexLoader.h"
|
|
#include "VertexLoader_Position.h"
|
|
#include "NativeVertexWriter.h"
|
|
|
|
extern float posScale;
|
|
extern TVtxAttr *pVtxAttr;
|
|
|
|
// Thoughts on the implementation of a vertex loader compiler.
|
|
// s_pCurBufferPointer should definitely be in a register.
|
|
// Could load the position scale factor in XMM7, for example.
|
|
|
|
// The pointer inside DataReadU8 in another.
|
|
// Let's check out Pos_ReadDirect_UByte(). For Byte, replace MOVZX with MOVSX.
|
|
|
|
/*
|
|
MOVZX(32, R(EAX), MOffset(ESI, 0));
|
|
MOVZX(32, R(EBX), MOffset(ESI, 1));
|
|
MOVZX(32, R(ECX), MOffset(ESI, 2));
|
|
MOVD(XMM0, R(EAX));
|
|
MOVD(XMM1, R(EBX));
|
|
MOVD(XMM2, R(ECX));
|
|
CVTDQ2PS(XMM0, XMM0);
|
|
CVTDQ2PS(XMM1, XMM1);
|
|
CVTDQ2PS(XMM2, XMM2);
|
|
MULSS(XMM0, XMM7);
|
|
MULSS(XMM1, XMM7);
|
|
MULSS(XMM2, XMM7);
|
|
MOVSS(MOffset(EDI, 0), XMM0);
|
|
MOVSS(MOffset(EDI, 4), XMM1);
|
|
MOVSS(MOffset(EDI, 8), XMM2);
|
|
|
|
Alternatively, lookup table:
|
|
MOVZX(32, R(EAX), MOffset(ESI, 0));
|
|
MOVZX(32, R(EBX), MOffset(ESI, 1));
|
|
MOVZX(32, R(ECX), MOffset(ESI, 2));
|
|
MOV(32, R(EAX), MComplex(LUTREG, EAX, 4));
|
|
MOV(32, R(EBX), MComplex(LUTREG, EBX, 4));
|
|
MOV(32, R(ECX), MComplex(LUTREG, ECX, 4));
|
|
MOV(MOffset(EDI, 0), XMM0);
|
|
MOV(MOffset(EDI, 4), XMM1);
|
|
MOV(MOffset(EDI, 8), XMM2);
|
|
|
|
SSE4:
|
|
PINSRB(XMM0, MOffset(ESI, 0), 0);
|
|
PINSRB(XMM0, MOffset(ESI, 1), 4);
|
|
PINSRB(XMM0, MOffset(ESI, 2), 8);
|
|
CVTDQ2PS(XMM0, XMM0);
|
|
<two unpacks here to sign extend>
|
|
MULPS(XMM0, XMM7);
|
|
MOVUPS(MOffset(EDI, 0), XMM0);
|
|
|
|
*/
|
|
|
|
// ==============================================================================
|
|
// Direct
|
|
// ==============================================================================
|
|
|
|
template <class T, bool three>
|
|
void Pos_ReadDirect()
|
|
{
|
|
((float*)VertexManager::s_pCurBufferPointer)[0] = (float)(T)DataRead<T>() * posScale;
|
|
((float*)VertexManager::s_pCurBufferPointer)[1] = (float)(T)DataRead<T>() * posScale;
|
|
if (three)
|
|
((float*)VertexManager::s_pCurBufferPointer)[2] = (float)(T)DataRead<T>() * posScale;
|
|
else
|
|
((float*)VertexManager::s_pCurBufferPointer)[2] = 1.0f;
|
|
LOG_VTX();
|
|
VertexManager::s_pCurBufferPointer += 12;
|
|
}
|
|
|
|
void LOADERDECL Pos_ReadDirect_UByte3() { Pos_ReadDirect<u8, true>(); }
|
|
void LOADERDECL Pos_ReadDirect_Byte3() { Pos_ReadDirect<s8, true>(); }
|
|
void LOADERDECL Pos_ReadDirect_UShort3() { Pos_ReadDirect<u16, true>(); }
|
|
void LOADERDECL Pos_ReadDirect_Short3() { Pos_ReadDirect<s16, true>(); }
|
|
|
|
void LOADERDECL Pos_ReadDirect_UByte2() { Pos_ReadDirect<u8, false>(); }
|
|
void LOADERDECL Pos_ReadDirect_Byte2() { Pos_ReadDirect<s8, false>(); }
|
|
void LOADERDECL Pos_ReadDirect_UShort2() { Pos_ReadDirect<u16, false>(); }
|
|
void LOADERDECL Pos_ReadDirect_Short2() { Pos_ReadDirect<s16, false>(); }
|
|
|
|
void LOADERDECL Pos_ReadDirect_Float3()
|
|
{
|
|
// No need to use floating point here.
|
|
((u32 *)VertexManager::s_pCurBufferPointer)[0] = DataReadU32();
|
|
((u32 *)VertexManager::s_pCurBufferPointer)[1] = DataReadU32();
|
|
((u32 *)VertexManager::s_pCurBufferPointer)[2] = DataReadU32();
|
|
LOG_VTX();
|
|
VertexManager::s_pCurBufferPointer += 12;
|
|
}
|
|
|
|
void LOADERDECL Pos_ReadDirect_Float2()
|
|
{
|
|
// No need to use floating point here.
|
|
((u32 *)VertexManager::s_pCurBufferPointer)[0] = DataReadU32();
|
|
((u32 *)VertexManager::s_pCurBufferPointer)[1] = DataReadU32();
|
|
((u32 *)VertexManager::s_pCurBufferPointer)[2] = 0x3f800000; // 1.0f
|
|
LOG_VTX();
|
|
VertexManager::s_pCurBufferPointer += 12;
|
|
}
|
|
|
|
|
|
template<class T, bool three>
|
|
inline void Pos_ReadIndex_Byte(int Index)
|
|
{
|
|
const u8* pData = cached_arraybases[ARRAY_POSITION] + ((u32)Index * arraystrides[ARRAY_POSITION]);
|
|
((float*)VertexManager::s_pCurBufferPointer)[0] = ((float)(T)(pData[0])) * posScale;
|
|
((float*)VertexManager::s_pCurBufferPointer)[1] = ((float)(T)(pData[1])) * posScale;
|
|
if (three)
|
|
((float*)VertexManager::s_pCurBufferPointer)[2] = ((float)(T)(pData[2])) * posScale;
|
|
else
|
|
((float*)VertexManager::s_pCurBufferPointer)[2] = 1.0f;
|
|
LOG_VTX();
|
|
VertexManager::s_pCurBufferPointer += 12;
|
|
}
|
|
|
|
template<class T, bool three>
|
|
inline void Pos_ReadIndex_Short(int Index)
|
|
{
|
|
const u16* pData = (const u16 *)(cached_arraybases[ARRAY_POSITION] + ((u32)Index * arraystrides[ARRAY_POSITION]));
|
|
((float*)VertexManager::s_pCurBufferPointer)[0] = ((float)(T)Common::swap16(pData[0])) * posScale;
|
|
((float*)VertexManager::s_pCurBufferPointer)[1] = ((float)(T)Common::swap16(pData[1])) * posScale;
|
|
if (three)
|
|
((float*)VertexManager::s_pCurBufferPointer)[2] = ((float)(T)Common::swap16(pData[2])) * posScale;
|
|
else
|
|
((float*)VertexManager::s_pCurBufferPointer)[2] = 1.0f;
|
|
LOG_VTX();
|
|
VertexManager::s_pCurBufferPointer += 12;
|
|
}
|
|
|
|
template<bool three>
|
|
inline void Pos_ReadIndex_Float(int Index)
|
|
{
|
|
const u32* pData = (const u32 *)(cached_arraybases[ARRAY_POSITION] + (Index * arraystrides[ARRAY_POSITION]));
|
|
((u32*)VertexManager::s_pCurBufferPointer)[0] = Common::swap32(pData[0]);
|
|
((u32*)VertexManager::s_pCurBufferPointer)[1] = Common::swap32(pData[1]);
|
|
if (three)
|
|
((u32*)VertexManager::s_pCurBufferPointer)[2] = Common::swap32(pData[2]);
|
|
else
|
|
((float*)VertexManager::s_pCurBufferPointer)[2] = 1.0f;
|
|
LOG_VTX();
|
|
VertexManager::s_pCurBufferPointer += 12;
|
|
}
|
|
|
|
// ==============================================================================
|
|
// Index 8
|
|
// ==============================================================================
|
|
void LOADERDECL Pos_ReadIndex8_UByte3() {Pos_ReadIndex_Byte<u8, true> (DataReadU8());}
|
|
void LOADERDECL Pos_ReadIndex8_Byte3() {Pos_ReadIndex_Byte<s8, true> (DataReadU8());}
|
|
void LOADERDECL Pos_ReadIndex8_UShort3() {Pos_ReadIndex_Short<u16, true> (DataReadU8());}
|
|
void LOADERDECL Pos_ReadIndex8_Short3() {Pos_ReadIndex_Short<s16, true> (DataReadU8());}
|
|
void LOADERDECL Pos_ReadIndex8_Float3() {Pos_ReadIndex_Float<true> (DataReadU8());}
|
|
void LOADERDECL Pos_ReadIndex8_UByte2() {Pos_ReadIndex_Byte<u8, false>(DataReadU8());}
|
|
void LOADERDECL Pos_ReadIndex8_Byte2() {Pos_ReadIndex_Byte<s8, false>(DataReadU8());}
|
|
void LOADERDECL Pos_ReadIndex8_UShort2() {Pos_ReadIndex_Short<u16, false>(DataReadU8());}
|
|
void LOADERDECL Pos_ReadIndex8_Short2() {Pos_ReadIndex_Short<s16, false>(DataReadU8());}
|
|
void LOADERDECL Pos_ReadIndex8_Float2() {Pos_ReadIndex_Float<false> (DataReadU8());}
|
|
|
|
// ==============================================================================
|
|
// Index 16
|
|
// ==============================================================================
|
|
void LOADERDECL Pos_ReadIndex16_UByte3() {Pos_ReadIndex_Byte<u8, true> (DataReadU16());}
|
|
void LOADERDECL Pos_ReadIndex16_Byte3() {Pos_ReadIndex_Byte<s8, true> (DataReadU16());}
|
|
void LOADERDECL Pos_ReadIndex16_UShort3() {Pos_ReadIndex_Short<u16, true> (DataReadU16());}
|
|
void LOADERDECL Pos_ReadIndex16_Short3() {Pos_ReadIndex_Short<s16, true> (DataReadU16());}
|
|
void LOADERDECL Pos_ReadIndex16_Float3() {Pos_ReadIndex_Float<true> (DataReadU16());}
|
|
void LOADERDECL Pos_ReadIndex16_UByte2() {Pos_ReadIndex_Byte<u8, false>(DataReadU16());}
|
|
void LOADERDECL Pos_ReadIndex16_Byte2() {Pos_ReadIndex_Byte<s8, false>(DataReadU16());}
|
|
void LOADERDECL Pos_ReadIndex16_UShort2() {Pos_ReadIndex_Short<u16, false>(DataReadU16());}
|
|
void LOADERDECL Pos_ReadIndex16_Short2() {Pos_ReadIndex_Short<s16, false>(DataReadU16());}
|
|
void LOADERDECL Pos_ReadIndex16_Float2() {Pos_ReadIndex_Float<false> (DataReadU16());}
|
|
|
|
#endif
|