1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
|
// Copyright 2008 Dolphin Emulator Project
// SPDX-License-Identifier: GPL-2.0-or-later
#include "VideoCommon/VertexLoader_Normal.h"
#include <array>
#include <type_traits>
#include "Common/CommonTypes.h"
#include "Common/EnumMap.h"
#include "VideoCommon/DataReader.h"
#include "VideoCommon/VertexLoader.h"
#include "VideoCommon/VertexLoaderManager.h"
#include "VideoCommon/VertexLoaderUtils.h"
// warning: mapping buffer should be disabled to use this
#define LOG_NORM() // PRIM_LOG("norm: {} {} {}, ", ((float*)g_vertex_manager_write_ptr)[-3],
// ((float*)g_vertex_manager_write_ptr)[-2],
// ((float*)g_vertex_manager_write_ptr)[-1]);
namespace
{
template <typename T>
constexpr float FracAdjust(T val)
{
// auto const S8FRAC = 1.f / (1u << 6);
// auto const U8FRAC = 1.f / (1u << 7);
// auto const S16FRAC = 1.f / (1u << 14);
// auto const U16FRAC = 1.f / (1u << 15);
// TODO: is this right?
return val / float(1u << (sizeof(T) * 8 - std::is_signed_v<T> - 1));
}
template <>
constexpr float FracAdjust(float val)
{
return val;
}
template <typename T, u32 N>
void ReadIndirect(VertexLoader* loader, const T* data)
{
static_assert(3 == N || 9 == N, "N is only sane as 3 or 9!");
DataReader dst(g_vertex_manager_write_ptr, nullptr);
for (u32 i = 0; i < N; ++i)
{
const float value = FracAdjust(Common::FromBigEndian(data[i]));
if (loader->m_remaining == 0)
{
if (i >= 3 && i < 6)
VertexLoaderManager::tangent_cache[i - 3] = value;
else if (i >= 6 && i < 9)
VertexLoaderManager::binormal_cache[i - 6] = value;
}
dst.Write(value);
}
g_vertex_manager_write_ptr = dst.GetPointer();
LOG_NORM();
}
template <typename T, u32 N>
struct Normal_Direct
{
static void function(VertexLoader* loader)
{
const auto source = reinterpret_cast<const T*>(DataGetPosition());
ReadIndirect<T, N * 3>(loader, source);
DataSkip<N * 3 * sizeof(T)>();
}
static constexpr u32 size = sizeof(T) * N * 3;
};
template <typename I, typename T, u32 N, u32 Offset>
void Normal_Index_Offset(VertexLoader* loader)
{
static_assert(std::is_unsigned_v<I>, "Only unsigned I is sane!");
const auto index = DataRead<I>();
const auto data = reinterpret_cast<const T*>(
VertexLoaderManager::cached_arraybases[CPArray::Normal] +
(index * g_main_cp_state.array_strides[CPArray::Normal]) + sizeof(T) * 3 * Offset);
ReadIndirect<T, N * 3>(loader, data);
}
template <typename I, typename T, u32 N>
struct Normal_Index
{
static void function(VertexLoader* loader) { Normal_Index_Offset<I, T, N, 0>(loader); }
static constexpr u32 size = sizeof(I);
};
template <typename I, typename T>
struct Normal_Index_Indices3
{
static void function(VertexLoader* loader)
{
Normal_Index_Offset<I, T, 1, 0>(loader);
Normal_Index_Offset<I, T, 1, 1>(loader);
Normal_Index_Offset<I, T, 1, 2>(loader);
}
static constexpr u32 size = sizeof(I) * 3;
};
struct Set
{
template <typename T>
constexpr Set& operator=(const T&)
{
gc_size = T::size;
function = T::function;
return *this;
}
u32 gc_size;
TPipelineFunction function;
};
using Common::EnumMap;
using Formats = EnumMap<Set, ComponentFormat::Float>;
using Elements = EnumMap<Formats, NormalComponentCount::NTB>;
using Indices = std::array<Elements, 2>;
using Types = EnumMap<Indices, VertexComponentFormat::Index16>;
constexpr Types InitializeTable()
{
Types table{};
using VCF = VertexComponentFormat;
using NCC = NormalComponentCount;
using FMT = ComponentFormat;
table[VCF::Direct][false][NCC::N][FMT::UByte] = Normal_Direct<u8, 1>();
table[VCF::Direct][false][NCC::N][FMT::Byte] = Normal_Direct<s8, 1>();
table[VCF::Direct][false][NCC::N][FMT::UShort] = Normal_Direct<u16, 1>();
table[VCF::Direct][false][NCC::N][FMT::Short] = Normal_Direct<s16, 1>();
table[VCF::Direct][false][NCC::N][FMT::Float] = Normal_Direct<float, 1>();
table[VCF::Direct][false][NCC::NTB][FMT::UByte] = Normal_Direct<u8, 3>();
table[VCF::Direct][false][NCC::NTB][FMT::Byte] = Normal_Direct<s8, 3>();
table[VCF::Direct][false][NCC::NTB][FMT::UShort] = Normal_Direct<u16, 3>();
table[VCF::Direct][false][NCC::NTB][FMT::Short] = Normal_Direct<s16, 3>();
table[VCF::Direct][false][NCC::NTB][FMT::Float] = Normal_Direct<float, 3>();
// Same as above, since there are no indices
table[VCF::Direct][true][NCC::N][FMT::UByte] = Normal_Direct<u8, 1>();
table[VCF::Direct][true][NCC::N][FMT::Byte] = Normal_Direct<s8, 1>();
table[VCF::Direct][true][NCC::N][FMT::UShort] = Normal_Direct<u16, 1>();
table[VCF::Direct][true][NCC::N][FMT::Short] = Normal_Direct<s16, 1>();
table[VCF::Direct][true][NCC::N][FMT::Float] = Normal_Direct<float, 1>();
table[VCF::Direct][true][NCC::NTB][FMT::UByte] = Normal_Direct<u8, 3>();
table[VCF::Direct][true][NCC::NTB][FMT::Byte] = Normal_Direct<s8, 3>();
table[VCF::Direct][true][NCC::NTB][FMT::UShort] = Normal_Direct<u16, 3>();
table[VCF::Direct][true][NCC::NTB][FMT::Short] = Normal_Direct<s16, 3>();
table[VCF::Direct][true][NCC::NTB][FMT::Float] = Normal_Direct<float, 3>();
table[VCF::Index8][false][NCC::N][FMT::UByte] = Normal_Index<u8, u8, 1>();
table[VCF::Index8][false][NCC::N][FMT::Byte] = Normal_Index<u8, s8, 1>();
table[VCF::Index8][false][NCC::N][FMT::UShort] = Normal_Index<u8, u16, 1>();
table[VCF::Index8][false][NCC::N][FMT::Short] = Normal_Index<u8, s16, 1>();
table[VCF::Index8][false][NCC::N][FMT::Float] = Normal_Index<u8, float, 1>();
table[VCF::Index8][false][NCC::NTB][FMT::UByte] = Normal_Index<u8, u8, 3>();
table[VCF::Index8][false][NCC::NTB][FMT::Byte] = Normal_Index<u8, s8, 3>();
table[VCF::Index8][false][NCC::NTB][FMT::UShort] = Normal_Index<u8, u16, 3>();
table[VCF::Index8][false][NCC::NTB][FMT::Short] = Normal_Index<u8, s16, 3>();
table[VCF::Index8][false][NCC::NTB][FMT::Float] = Normal_Index<u8, float, 3>();
// Same for NormalComponentCount::N; differs for NTB
table[VCF::Index8][true][NCC::N][FMT::UByte] = Normal_Index<u8, u8, 1>();
table[VCF::Index8][true][NCC::N][FMT::Byte] = Normal_Index<u8, s8, 1>();
table[VCF::Index8][true][NCC::N][FMT::UShort] = Normal_Index<u8, u16, 1>();
table[VCF::Index8][true][NCC::N][FMT::Short] = Normal_Index<u8, s16, 1>();
table[VCF::Index8][true][NCC::N][FMT::Float] = Normal_Index<u8, float, 1>();
table[VCF::Index8][true][NCC::NTB][FMT::UByte] = Normal_Index_Indices3<u8, u8>();
table[VCF::Index8][true][NCC::NTB][FMT::Byte] = Normal_Index_Indices3<u8, s8>();
table[VCF::Index8][true][NCC::NTB][FMT::UShort] = Normal_Index_Indices3<u8, u16>();
table[VCF::Index8][true][NCC::NTB][FMT::Short] = Normal_Index_Indices3<u8, s16>();
table[VCF::Index8][true][NCC::NTB][FMT::Float] = Normal_Index_Indices3<u8, float>();
table[VCF::Index16][false][NCC::N][FMT::UByte] = Normal_Index<u16, u8, 1>();
table[VCF::Index16][false][NCC::N][FMT::Byte] = Normal_Index<u16, s8, 1>();
table[VCF::Index16][false][NCC::N][FMT::UShort] = Normal_Index<u16, u16, 1>();
table[VCF::Index16][false][NCC::N][FMT::Short] = Normal_Index<u16, s16, 1>();
table[VCF::Index16][false][NCC::N][FMT::Float] = Normal_Index<u16, float, 1>();
table[VCF::Index16][false][NCC::NTB][FMT::UByte] = Normal_Index<u16, u8, 3>();
table[VCF::Index16][false][NCC::NTB][FMT::Byte] = Normal_Index<u16, s8, 3>();
table[VCF::Index16][false][NCC::NTB][FMT::UShort] = Normal_Index<u16, u16, 3>();
table[VCF::Index16][false][NCC::NTB][FMT::Short] = Normal_Index<u16, s16, 3>();
table[VCF::Index16][false][NCC::NTB][FMT::Float] = Normal_Index<u16, float, 3>();
// Same for NormalComponentCount::N; differs for NTB
table[VCF::Index16][true][NCC::N][FMT::UByte] = Normal_Index<u16, u8, 1>();
table[VCF::Index16][true][NCC::N][FMT::Byte] = Normal_Index<u16, s8, 1>();
table[VCF::Index16][true][NCC::N][FMT::UShort] = Normal_Index<u16, u16, 1>();
table[VCF::Index16][true][NCC::N][FMT::Short] = Normal_Index<u16, s16, 1>();
table[VCF::Index16][true][NCC::N][FMT::Float] = Normal_Index<u16, float, 1>();
table[VCF::Index16][true][NCC::NTB][FMT::UByte] = Normal_Index_Indices3<u16, u8>();
table[VCF::Index16][true][NCC::NTB][FMT::Byte] = Normal_Index_Indices3<u16, s8>();
table[VCF::Index16][true][NCC::NTB][FMT::UShort] = Normal_Index_Indices3<u16, u16>();
table[VCF::Index16][true][NCC::NTB][FMT::Short] = Normal_Index_Indices3<u16, s16>();
table[VCF::Index16][true][NCC::NTB][FMT::Float] = Normal_Index_Indices3<u16, float>();
return table;
}
constexpr Types s_table = InitializeTable();
} // Anonymous namespace
u32 VertexLoader_Normal::GetSize(VertexComponentFormat type, ComponentFormat format,
NormalComponentCount elements, bool index3)
{
return s_table[type][index3][elements][format].gc_size;
}
TPipelineFunction VertexLoader_Normal::GetFunction(VertexComponentFormat type,
ComponentFormat format,
NormalComponentCount elements, bool index3)
{
return s_table[type][index3][elements][format].function;
}
|
