forked from dolphin-emu/dolphin
189 lines
8.5 KiB
C++
189 lines
8.5 KiB
C++
// Copyright 2013 Dolphin Emulator Project
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// Licensed under GPLv2
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// Refer to the license.txt file included.
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#include <cmath>
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#include <type_traits>
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#include "Common/CommonTypes.h"
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#include "VideoCommon/VertexLoader.h"
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#include "VideoCommon/VertexLoader_Normal.h"
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#include "VideoCommon/VertexManagerBase.h"
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#include "VideoCommon/VideoCommon.h"
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// warning: mapping buffer should be disabled to use this
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#define LOG_NORM() // PRIM_LOG("norm: %f %f %f, ", ((float*)g_vertex_manager_write_ptr)[-3], ((float*)g_vertex_manager_write_ptr)[-2], ((float*)g_vertex_manager_write_ptr)[-1]);
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VertexLoader_Normal::Set VertexLoader_Normal::m_Table[NUM_NRM_TYPE][NUM_NRM_INDICES][NUM_NRM_ELEMENTS][NUM_NRM_FORMAT];
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namespace
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{
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template <typename T>
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__forceinline float FracAdjust(T val)
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{
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//auto const S8FRAC = 1.f / (1u << 6);
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//auto const U8FRAC = 1.f / (1u << 7);
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//auto const S16FRAC = 1.f / (1u << 14);
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//auto const U16FRAC = 1.f / (1u << 15);
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// TODO: is this right?
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return val / float(1u << (sizeof(T) * 8 - std::is_signed<T>::value - 1));
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}
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template <>
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__forceinline float FracAdjust(float val)
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{
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return val;
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}
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template <typename T, int N>
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__forceinline void ReadIndirect(const T* data)
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{
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static_assert(3 == N || 9 == N, "N is only sane as 3 or 9!");
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DataReader dst(g_vertex_manager_write_ptr, nullptr);
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for (int i = 0; i != N; ++i)
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{
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dst.Write(FracAdjust(Common::FromBigEndian(data[i])));
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}
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g_vertex_manager_write_ptr = dst.GetPointer();
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LOG_NORM();
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}
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template <typename T, int N>
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struct Normal_Direct
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{
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static void LOADERDECL function(VertexLoader* loader)
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{
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auto const source = reinterpret_cast<const T*>(DataGetPosition());
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ReadIndirect<T, N * 3>(source);
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DataSkip<N * 3 * sizeof(T)>();
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}
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static const int size = sizeof(T) * N * 3;
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};
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template <typename I, typename T, int N, int Offset>
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__forceinline void Normal_Index_Offset()
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{
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static_assert(std::is_unsigned<I>::value, "Only unsigned I is sane!");
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auto const index = DataRead<I>();
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auto const data = reinterpret_cast<const T*>(cached_arraybases[ARRAY_NORMAL]
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+ (index * g_main_cp_state.array_strides[ARRAY_NORMAL]) + sizeof(T) * 3 * Offset);
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ReadIndirect<T, N * 3>(data);
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}
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template <typename I, typename T, int N>
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struct Normal_Index
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{
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static void LOADERDECL function(VertexLoader* loader)
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{
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Normal_Index_Offset<I, T, N, 0>();
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}
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static const int size = sizeof(I);
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};
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template <typename I, typename T>
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struct Normal_Index_Indices3
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{
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static void LOADERDECL function(VertexLoader* loader)
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{
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Normal_Index_Offset<I, T, 1, 0>();
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Normal_Index_Offset<I, T, 1, 1>();
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Normal_Index_Offset<I, T, 1, 2>();
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}
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static const int size = sizeof(I) * 3;
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};
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}
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void VertexLoader_Normal::Init()
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{
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m_Table[NRM_DIRECT] [NRM_INDICES1][NRM_NBT] [FORMAT_UBYTE] = Normal_Direct<u8, 1>();
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m_Table[NRM_DIRECT] [NRM_INDICES1][NRM_NBT] [FORMAT_BYTE] = Normal_Direct<s8, 1>();
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m_Table[NRM_DIRECT] [NRM_INDICES1][NRM_NBT] [FORMAT_USHORT] = Normal_Direct<u16, 1>();
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m_Table[NRM_DIRECT] [NRM_INDICES1][NRM_NBT] [FORMAT_SHORT] = Normal_Direct<s16, 1>();
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m_Table[NRM_DIRECT] [NRM_INDICES1][NRM_NBT] [FORMAT_FLOAT] = Normal_Direct<float, 1>();
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m_Table[NRM_DIRECT] [NRM_INDICES1][NRM_NBT3][FORMAT_UBYTE] = Normal_Direct<u8, 3>();
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m_Table[NRM_DIRECT] [NRM_INDICES1][NRM_NBT3][FORMAT_BYTE] = Normal_Direct<s8, 3>();
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m_Table[NRM_DIRECT] [NRM_INDICES1][NRM_NBT3][FORMAT_USHORT] = Normal_Direct<u16, 3>();
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m_Table[NRM_DIRECT] [NRM_INDICES1][NRM_NBT3][FORMAT_SHORT] = Normal_Direct<s16, 3>();
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m_Table[NRM_DIRECT] [NRM_INDICES1][NRM_NBT3][FORMAT_FLOAT] = Normal_Direct<float, 3>();
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// Same as above
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m_Table[NRM_DIRECT] [NRM_INDICES3][NRM_NBT] [FORMAT_UBYTE] = Normal_Direct<u8, 1>();
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m_Table[NRM_DIRECT] [NRM_INDICES3][NRM_NBT] [FORMAT_BYTE] = Normal_Direct<s8, 1>();
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m_Table[NRM_DIRECT] [NRM_INDICES3][NRM_NBT] [FORMAT_USHORT] = Normal_Direct<u16, 1>();
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m_Table[NRM_DIRECT] [NRM_INDICES3][NRM_NBT] [FORMAT_SHORT] = Normal_Direct<s16, 1>();
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m_Table[NRM_DIRECT] [NRM_INDICES3][NRM_NBT] [FORMAT_FLOAT] = Normal_Direct<float, 1>();
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m_Table[NRM_DIRECT] [NRM_INDICES3][NRM_NBT3][FORMAT_UBYTE] = Normal_Direct<u8, 3>();
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m_Table[NRM_DIRECT] [NRM_INDICES3][NRM_NBT3][FORMAT_BYTE] = Normal_Direct<s8, 3>();
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m_Table[NRM_DIRECT] [NRM_INDICES3][NRM_NBT3][FORMAT_USHORT] = Normal_Direct<u16, 3>();
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m_Table[NRM_DIRECT] [NRM_INDICES3][NRM_NBT3][FORMAT_SHORT] = Normal_Direct<s16, 3>();
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m_Table[NRM_DIRECT] [NRM_INDICES3][NRM_NBT3][FORMAT_FLOAT] = Normal_Direct<float, 3>();
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m_Table[NRM_INDEX8] [NRM_INDICES1][NRM_NBT] [FORMAT_UBYTE] = Normal_Index<u8, u8, 1>();
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m_Table[NRM_INDEX8] [NRM_INDICES1][NRM_NBT] [FORMAT_BYTE] = Normal_Index<u8, s8, 1>();
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m_Table[NRM_INDEX8] [NRM_INDICES1][NRM_NBT] [FORMAT_USHORT] = Normal_Index<u8, u16, 1>();
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m_Table[NRM_INDEX8] [NRM_INDICES1][NRM_NBT] [FORMAT_SHORT] = Normal_Index<u8, s16, 1>();
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m_Table[NRM_INDEX8] [NRM_INDICES1][NRM_NBT] [FORMAT_FLOAT] = Normal_Index<u8, float, 1>();
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m_Table[NRM_INDEX8] [NRM_INDICES1][NRM_NBT3][FORMAT_UBYTE] = Normal_Index<u8, u8, 3>();
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m_Table[NRM_INDEX8] [NRM_INDICES1][NRM_NBT3][FORMAT_BYTE] = Normal_Index<u8, s8, 3>();
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m_Table[NRM_INDEX8] [NRM_INDICES1][NRM_NBT3][FORMAT_USHORT] = Normal_Index<u8, u16, 3>();
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m_Table[NRM_INDEX8] [NRM_INDICES1][NRM_NBT3][FORMAT_SHORT] = Normal_Index<u8, s16, 3>();
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m_Table[NRM_INDEX8] [NRM_INDICES1][NRM_NBT3][FORMAT_FLOAT] = Normal_Index<u8, float, 3>();
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// Same as above for NRM_NBT
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m_Table[NRM_INDEX8] [NRM_INDICES3][NRM_NBT] [FORMAT_UBYTE] = Normal_Index<u8, u8, 1>();
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m_Table[NRM_INDEX8] [NRM_INDICES3][NRM_NBT] [FORMAT_BYTE] = Normal_Index<u8, s8, 1>();
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m_Table[NRM_INDEX8] [NRM_INDICES3][NRM_NBT] [FORMAT_USHORT] = Normal_Index<u8, u16, 1>();
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m_Table[NRM_INDEX8] [NRM_INDICES3][NRM_NBT] [FORMAT_SHORT] = Normal_Index<u8, s16, 1>();
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m_Table[NRM_INDEX8] [NRM_INDICES3][NRM_NBT] [FORMAT_FLOAT] = Normal_Index<u8, float, 1>();
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m_Table[NRM_INDEX8] [NRM_INDICES3][NRM_NBT3][FORMAT_UBYTE] = Normal_Index_Indices3<u8, u8>();
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m_Table[NRM_INDEX8] [NRM_INDICES3][NRM_NBT3][FORMAT_BYTE] = Normal_Index_Indices3<u8, s8>();
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m_Table[NRM_INDEX8] [NRM_INDICES3][NRM_NBT3][FORMAT_USHORT] = Normal_Index_Indices3<u8, u16>();
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m_Table[NRM_INDEX8] [NRM_INDICES3][NRM_NBT3][FORMAT_SHORT] = Normal_Index_Indices3<u8, s16>();
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m_Table[NRM_INDEX8] [NRM_INDICES3][NRM_NBT3][FORMAT_FLOAT] = Normal_Index_Indices3<u8, float>();
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m_Table[NRM_INDEX16][NRM_INDICES1][NRM_NBT] [FORMAT_UBYTE] = Normal_Index<u16, u8, 1>();
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m_Table[NRM_INDEX16][NRM_INDICES1][NRM_NBT] [FORMAT_BYTE] = Normal_Index<u16, s8, 1>();
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m_Table[NRM_INDEX16][NRM_INDICES1][NRM_NBT] [FORMAT_USHORT] = Normal_Index<u16, u16, 1>();
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m_Table[NRM_INDEX16][NRM_INDICES1][NRM_NBT] [FORMAT_SHORT] = Normal_Index<u16, s16, 1>();
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m_Table[NRM_INDEX16][NRM_INDICES1][NRM_NBT] [FORMAT_FLOAT] = Normal_Index<u16, float, 1>();
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m_Table[NRM_INDEX16][NRM_INDICES1][NRM_NBT3][FORMAT_UBYTE] = Normal_Index<u16, u8, 3>();
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m_Table[NRM_INDEX16][NRM_INDICES1][NRM_NBT3][FORMAT_BYTE] = Normal_Index<u16, s8, 3>();
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m_Table[NRM_INDEX16][NRM_INDICES1][NRM_NBT3][FORMAT_USHORT] = Normal_Index<u16, u16, 3>();
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m_Table[NRM_INDEX16][NRM_INDICES1][NRM_NBT3][FORMAT_SHORT] = Normal_Index<u16, s16, 3>();
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m_Table[NRM_INDEX16][NRM_INDICES1][NRM_NBT3][FORMAT_FLOAT] = Normal_Index<u16, float, 3>();
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// Same as above for NRM_NBT
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m_Table[NRM_INDEX16][NRM_INDICES3][NRM_NBT] [FORMAT_UBYTE] = Normal_Index<u16, u8, 1>();
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m_Table[NRM_INDEX16][NRM_INDICES3][NRM_NBT] [FORMAT_BYTE] = Normal_Index<u16, s8, 1>();
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m_Table[NRM_INDEX16][NRM_INDICES3][NRM_NBT] [FORMAT_USHORT] = Normal_Index<u16, u16, 1>();
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m_Table[NRM_INDEX16][NRM_INDICES3][NRM_NBT] [FORMAT_SHORT] = Normal_Index<u16, s16, 1>();
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m_Table[NRM_INDEX16][NRM_INDICES3][NRM_NBT] [FORMAT_FLOAT] = Normal_Index<u16, float, 1>();
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m_Table[NRM_INDEX16][NRM_INDICES3][NRM_NBT3][FORMAT_UBYTE] = Normal_Index_Indices3<u16, u8>();
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m_Table[NRM_INDEX16][NRM_INDICES3][NRM_NBT3][FORMAT_BYTE] = Normal_Index_Indices3<u16, s8>();
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m_Table[NRM_INDEX16][NRM_INDICES3][NRM_NBT3][FORMAT_USHORT] = Normal_Index_Indices3<u16, u16>();
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m_Table[NRM_INDEX16][NRM_INDICES3][NRM_NBT3][FORMAT_SHORT] = Normal_Index_Indices3<u16, s16>();
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m_Table[NRM_INDEX16][NRM_INDICES3][NRM_NBT3][FORMAT_FLOAT] = Normal_Index_Indices3<u16, float>();
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}
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unsigned int VertexLoader_Normal::GetSize(u64 _type,
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unsigned int _format, unsigned int _elements, unsigned int _index3)
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{
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return m_Table[_type][_index3][_elements][_format].gc_size;
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}
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TPipelineFunction VertexLoader_Normal::GetFunction(u64 _type,
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unsigned int _format, unsigned int _elements, unsigned int _index3)
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{
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TPipelineFunction pFunc = m_Table[_type][_index3][_elements][_format].function;
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return pFunc;
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}
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