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
|
// Copyright 2021 yuzu Emulator Project
// Licensed under GPLv2 or any later version
// Refer to the license.txt file included.
#include <optional>
#include "common/bit_field.h"
#include "common/common_types.h"
#include "shader_recompiler/frontend/ir/modifiers.h"
#include "shader_recompiler/frontend/maxwell/translate/impl/impl.h"
namespace Shader::Maxwell {
namespace {
enum class TextureType : u64 {
_1D,
ARRAY_1D,
_2D,
ARRAY_2D,
_3D,
ARRAY_3D,
CUBE,
ARRAY_CUBE,
};
Shader::TextureType GetType(TextureType type) {
switch (type) {
case TextureType::_1D:
return Shader::TextureType::Color1D;
case TextureType::ARRAY_1D:
return Shader::TextureType::ColorArray1D;
case TextureType::_2D:
return Shader::TextureType::Color2D;
case TextureType::ARRAY_2D:
return Shader::TextureType::ColorArray2D;
case TextureType::_3D:
return Shader::TextureType::Color3D;
case TextureType::ARRAY_3D:
throw NotImplementedException("3D array texture type");
case TextureType::CUBE:
return Shader::TextureType::ColorCube;
case TextureType::ARRAY_CUBE:
return Shader::TextureType::ColorArrayCube;
}
throw NotImplementedException("Invalid texture type {}", type);
}
IR::Value MakeCoords(TranslatorVisitor& v, IR::Reg reg, TextureType type) {
const auto read_array{[&]() -> IR::F32 { return v.ir.ConvertUToF(32, 16, v.X(reg)); }};
switch (type) {
case TextureType::_1D:
return v.F(reg);
case TextureType::ARRAY_1D:
return v.ir.CompositeConstruct(v.F(reg + 1), read_array());
case TextureType::_2D:
return v.ir.CompositeConstruct(v.F(reg), v.F(reg + 1));
case TextureType::ARRAY_2D:
return v.ir.CompositeConstruct(v.F(reg + 1), v.F(reg + 2), read_array());
case TextureType::_3D:
return v.ir.CompositeConstruct(v.F(reg), v.F(reg + 1), v.F(reg + 2));
case TextureType::ARRAY_3D:
throw NotImplementedException("3D array texture type");
case TextureType::CUBE:
return v.ir.CompositeConstruct(v.F(reg), v.F(reg + 1), v.F(reg + 2));
case TextureType::ARRAY_CUBE:
return v.ir.CompositeConstruct(v.F(reg + 1), v.F(reg + 2), v.F(reg + 3), read_array());
}
throw NotImplementedException("Invalid texture type {}", type);
}
void Impl(TranslatorVisitor& v, u64 insn, bool is_bindless) {
union {
u64 raw;
BitField<49, 1, u64> nodep;
BitField<35, 1, u64> ndv;
BitField<0, 8, IR::Reg> dest_reg;
BitField<8, 8, IR::Reg> coord_reg;
BitField<20, 8, IR::Reg> meta_reg;
BitField<28, 3, TextureType> type;
BitField<31, 4, u64> mask;
BitField<36, 13, u64> cbuf_offset;
} const tmml{insn};
if ((tmml.mask & 0b1100) != 0) {
throw NotImplementedException("TMML BA results are not implmented");
}
const IR::Value coords{MakeCoords(v, tmml.coord_reg, tmml.type)};
IR::U32 handle;
IR::Reg meta_reg{tmml.meta_reg};
if (is_bindless) {
handle = v.X(meta_reg++);
} else {
handle = v.ir.Imm32(static_cast<u32>(tmml.cbuf_offset.Value() * 4));
}
IR::TextureInstInfo info{};
info.type.Assign(GetType(tmml.type));
const IR::Value sample{v.ir.ImageQueryLod(handle, coords, info)};
IR::Reg dest_reg{tmml.dest_reg};
for (size_t element = 0; element < 4; ++element) {
if (((tmml.mask >> element) & 1) == 0) {
continue;
}
IR::F32 value{v.ir.CompositeExtract(sample, element)};
if (element < 2) {
IR::U32 casted_value;
if (element == 0) {
casted_value = v.ir.ConvertFToU(32, value);
} else {
casted_value = v.ir.ConvertFToS(16, value);
}
v.X(dest_reg, v.ir.ShiftLeftLogical(casted_value, v.ir.Imm32(8)));
} else {
v.F(dest_reg, value);
}
++dest_reg;
}
}
} // Anonymous namespace
void TranslatorVisitor::TMML(u64 insn) {
Impl(*this, insn, false);
}
void TranslatorVisitor::TMML_b(u64 insn) {
Impl(*this, insn, true);
}
} // namespace Shader::Maxwell
|
