225 lines
7.2 KiB
C++
225 lines
7.2 KiB
C++
// Copyright 2013 Dolphin Emulator Project
|
|
// Licensed under GPLv2
|
|
// Refer to the license.txt file included.
|
|
|
|
#include <type_traits>
|
|
|
|
#include "Common/CommonTypes.h"
|
|
#include "Common/CPUDetect.h"
|
|
|
|
#include "VideoCommon/VertexLoader.h"
|
|
#include "VideoCommon/VertexLoader_Position.h"
|
|
#include "VideoCommon/VertexManagerBase.h"
|
|
#include "VideoCommon/VideoCommon.h"
|
|
|
|
// Thoughts on the implementation of a vertex loader compiler.
|
|
// g_vertex_manager_write_ptr 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);
|
|
|
|
*/
|
|
|
|
template <typename T>
|
|
float PosScale(T val, float scale)
|
|
{
|
|
return val * scale;
|
|
}
|
|
|
|
template <>
|
|
float PosScale(float val, float scale)
|
|
{
|
|
return val;
|
|
}
|
|
|
|
template <typename T, int N>
|
|
void LOADERDECL Pos_ReadDirect()
|
|
{
|
|
static_assert(N <= 3, "N > 3 is not sane!");
|
|
auto const scale = posScale[0];
|
|
DataReader dst(g_vertex_manager_write_ptr, nullptr);
|
|
DataReader src(g_video_buffer_read_ptr, nullptr);
|
|
|
|
for (int i = 0; i < 3; ++i)
|
|
dst.Write(i<N ? PosScale(src.Read<T>(), scale) : 0.f);
|
|
|
|
dst.WritePointer(&g_vertex_manager_write_ptr);
|
|
src.WritePointer(&g_video_buffer_read_ptr);
|
|
LOG_VTX();
|
|
}
|
|
|
|
template <typename I, typename T, int N>
|
|
void LOADERDECL Pos_ReadIndex()
|
|
{
|
|
static_assert(std::is_unsigned<I>::value, "Only unsigned I is sane!");
|
|
static_assert(N <= 3, "N > 3 is not sane!");
|
|
|
|
auto const index = DataRead<I>();
|
|
auto const data = reinterpret_cast<const T*>(cached_arraybases[ARRAY_POSITION] + (index * g_main_cp_state.array_strides[ARRAY_POSITION]));
|
|
auto const scale = posScale[0];
|
|
DataReader dst(g_vertex_manager_write_ptr, nullptr);
|
|
|
|
for (int i = 0; i < 3; ++i)
|
|
dst.Write(i<N ? PosScale(Common::FromBigEndian(data[i]), scale) : 0.f);
|
|
|
|
dst.WritePointer(&g_vertex_manager_write_ptr);
|
|
LOG_VTX();
|
|
}
|
|
|
|
#if _M_SSE >= 0x301
|
|
template <typename T, bool three>
|
|
void LOADERDECL Pos_ReadDirect_SSSE3()
|
|
{
|
|
const T* pData = reinterpret_cast<const T*>(DataGetPosition());
|
|
Vertex_Read_SSSE3<T, three, true>(pData, *(__m128*)posScale);
|
|
DataSkip<(2 + three) * sizeof(T)>();
|
|
LOG_VTX();
|
|
}
|
|
|
|
template <typename I, typename T, bool three>
|
|
void LOADERDECL Pos_ReadIndex_SSSE3()
|
|
{
|
|
static_assert(std::is_unsigned<I>::value, "Only unsigned I is sane!");
|
|
auto const index = DataRead<I>();
|
|
const T* pData = (const T*)(cached_arraybases[ARRAY_POSITION] + (index * g_main_cp_state.array_strides[ARRAY_POSITION]));
|
|
Vertex_Read_SSSE3<T, three, true>(pData, *(__m128*)posScale);
|
|
LOG_VTX();
|
|
}
|
|
#endif
|
|
|
|
static TPipelineFunction tableReadPosition[4][8][2] = {
|
|
{
|
|
{nullptr, nullptr,},
|
|
{nullptr, nullptr,},
|
|
{nullptr, nullptr,},
|
|
{nullptr, nullptr,},
|
|
{nullptr, nullptr,},
|
|
},
|
|
{
|
|
{Pos_ReadDirect<u8, 2>, Pos_ReadDirect<u8, 3>,},
|
|
{Pos_ReadDirect<s8, 2>, Pos_ReadDirect<s8, 3>,},
|
|
{Pos_ReadDirect<u16, 2>, Pos_ReadDirect<u16, 3>,},
|
|
{Pos_ReadDirect<s16, 2>, Pos_ReadDirect<s16, 3>,},
|
|
{Pos_ReadDirect<float, 2>, Pos_ReadDirect<float, 3>,},
|
|
},
|
|
{
|
|
{Pos_ReadIndex<u8, u8, 2>, Pos_ReadIndex<u8, u8, 3>,},
|
|
{Pos_ReadIndex<u8, s8, 2>, Pos_ReadIndex<u8, s8, 3>,},
|
|
{Pos_ReadIndex<u8, u16, 2>, Pos_ReadIndex<u8, u16, 3>,},
|
|
{Pos_ReadIndex<u8, s16, 2>, Pos_ReadIndex<u8, s16, 3>,},
|
|
{Pos_ReadIndex<u8, float, 2>, Pos_ReadIndex<u8, float, 3>,},
|
|
},
|
|
{
|
|
{Pos_ReadIndex<u16, u8, 2>, Pos_ReadIndex<u16, u8, 3>,},
|
|
{Pos_ReadIndex<u16, s8, 2>, Pos_ReadIndex<u16, s8, 3>,},
|
|
{Pos_ReadIndex<u16, u16, 2>, Pos_ReadIndex<u16, u16, 3>,},
|
|
{Pos_ReadIndex<u16, s16, 2>, Pos_ReadIndex<u16, s16, 3>,},
|
|
{Pos_ReadIndex<u16, float, 2>, Pos_ReadIndex<u16, float, 3>,},
|
|
},
|
|
};
|
|
|
|
static int tableReadPositionVertexSize[4][8][2] = {
|
|
{
|
|
{0, 0,}, {0, 0,}, {0, 0,}, {0, 0,}, {0, 0,},
|
|
},
|
|
{
|
|
{2, 3,}, {2, 3,}, {4, 6,}, {4, 6,}, {8, 12,},
|
|
},
|
|
{
|
|
{1, 1,}, {1, 1,}, {1, 1,}, {1, 1,}, {1, 1,},
|
|
},
|
|
{
|
|
{2, 2,}, {2, 2,}, {2, 2,}, {2, 2,}, {2, 2,},
|
|
},
|
|
};
|
|
|
|
|
|
void VertexLoader_Position::Init()
|
|
{
|
|
|
|
#if _M_SSE >= 0x301
|
|
if (cpu_info.bSSSE3)
|
|
{
|
|
tableReadPosition[1][0][0] = Pos_ReadDirect_SSSE3<u8, false>;
|
|
tableReadPosition[1][0][1] = Pos_ReadDirect_SSSE3<u8, true>;
|
|
tableReadPosition[1][1][0] = Pos_ReadDirect_SSSE3<s8, false>;
|
|
tableReadPosition[1][1][1] = Pos_ReadDirect_SSSE3<s8, true>;
|
|
tableReadPosition[1][2][0] = Pos_ReadDirect_SSSE3<u16, false>;
|
|
tableReadPosition[1][2][1] = Pos_ReadDirect_SSSE3<u16, true>;
|
|
tableReadPosition[1][3][0] = Pos_ReadDirect_SSSE3<s16, false>;
|
|
tableReadPosition[1][3][1] = Pos_ReadDirect_SSSE3<s16, true>;
|
|
tableReadPosition[1][4][0] = Pos_ReadDirect_SSSE3<float, false>;
|
|
tableReadPosition[1][4][1] = Pos_ReadDirect_SSSE3<float, true>;
|
|
tableReadPosition[2][0][0] = Pos_ReadIndex_SSSE3<u8, u8, false>;
|
|
tableReadPosition[2][0][1] = Pos_ReadIndex_SSSE3<u8, u8, true>;
|
|
tableReadPosition[3][0][0] = Pos_ReadIndex_SSSE3<u16, u8, false>;
|
|
tableReadPosition[3][0][1] = Pos_ReadIndex_SSSE3<u16, u8, true>;
|
|
tableReadPosition[2][1][0] = Pos_ReadIndex_SSSE3<u8, s8, false>;
|
|
tableReadPosition[2][1][1] = Pos_ReadIndex_SSSE3<u8, s8, true>;
|
|
tableReadPosition[3][1][0] = Pos_ReadIndex_SSSE3<u16, s8, false>;
|
|
tableReadPosition[3][1][1] = Pos_ReadIndex_SSSE3<u16, s8, true>;
|
|
tableReadPosition[2][2][0] = Pos_ReadIndex_SSSE3<u8, u16, false>;
|
|
tableReadPosition[2][2][1] = Pos_ReadIndex_SSSE3<u8, u16, true>;
|
|
tableReadPosition[3][2][0] = Pos_ReadIndex_SSSE3<u16, u16, false>;
|
|
tableReadPosition[3][2][1] = Pos_ReadIndex_SSSE3<u16, u16, true>;
|
|
tableReadPosition[2][3][0] = Pos_ReadIndex_SSSE3<u8, s16, false>;
|
|
tableReadPosition[2][3][1] = Pos_ReadIndex_SSSE3<u8, s16, true>;
|
|
tableReadPosition[3][3][0] = Pos_ReadIndex_SSSE3<u16, s16, false>;
|
|
tableReadPosition[3][3][1] = Pos_ReadIndex_SSSE3<u16, s16, true>;
|
|
tableReadPosition[2][4][0] = Pos_ReadIndex_SSSE3<u8, float, false>;
|
|
tableReadPosition[2][4][1] = Pos_ReadIndex_SSSE3<u8, float, true>;
|
|
tableReadPosition[3][4][0] = Pos_ReadIndex_SSSE3<u16, float, false>;
|
|
tableReadPosition[3][4][1] = Pos_ReadIndex_SSSE3<u16, float, true>;
|
|
}
|
|
#endif
|
|
|
|
}
|
|
|
|
unsigned int VertexLoader_Position::GetSize(u64 _type, unsigned int _format, unsigned int _elements)
|
|
{
|
|
return tableReadPositionVertexSize[_type][_format][_elements];
|
|
}
|
|
|
|
TPipelineFunction VertexLoader_Position::GetFunction(u64 _type, unsigned int _format, unsigned int _elements)
|
|
{
|
|
return tableReadPosition[_type][_format][_elements];
|
|
}
|