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
|
// Copyright 2020 yuzu Emulator Project
// Licensed under GPLv2 or any later version
// Refer to the license.txt file included.
#include <array>
#include <bitset>
#include <cstddef>
#include "video_core/compatible_formats.h"
#include "video_core/surface.h"
namespace VideoCore::Surface {
namespace {
// Compatibility table taken from Table 3.X.2 in:
// https://www.khronos.org/registry/OpenGL/extensions/ARB/ARB_texture_view.txt
constexpr std::array VIEW_CLASS_128_BITS = {
PixelFormat::RGBA32F,
PixelFormat::RGBA32UI,
};
// Missing formats:
// PixelFormat::RGBA32I
constexpr std::array VIEW_CLASS_96_BITS = {
PixelFormat::RGB32F,
};
// Missing formats:
// PixelFormat::RGB32UI,
// PixelFormat::RGB32I,
constexpr std::array VIEW_CLASS_64_BITS = {
PixelFormat::RGBA16F, PixelFormat::RG32F, PixelFormat::RGBA16UI, PixelFormat::RG32UI,
PixelFormat::RGBA16U, PixelFormat::RGBA16F, PixelFormat::RGBA16S,
};
// Missing formats:
// PixelFormat::RGBA16I
// PixelFormat::RG32I
// TODO: How should we handle 48 bits?
constexpr std::array VIEW_CLASS_32_BITS = {
PixelFormat::RG16F, PixelFormat::R11FG11FB10F, PixelFormat::R32F,
PixelFormat::A2B10G10R10U, PixelFormat::RG16UI, PixelFormat::R32UI,
PixelFormat::RG16I, PixelFormat::R32I, PixelFormat::ABGR8U,
PixelFormat::RG16, PixelFormat::ABGR8S, PixelFormat::RG16S,
PixelFormat::RGBA8_SRGB, PixelFormat::E5B9G9R9F, PixelFormat::BGRA8,
PixelFormat::BGRA8_SRGB,
};
// Missing formats:
// PixelFormat::RGBA8UI
// PixelFormat::RGBA8I
// PixelFormat::RGB10_A2_UI
// TODO: How should we handle 24 bits?
constexpr std::array VIEW_CLASS_16_BITS = {
PixelFormat::R16F, PixelFormat::RG8UI, PixelFormat::R16UI, PixelFormat::R16I,
PixelFormat::RG8U, PixelFormat::R16U, PixelFormat::RG8S, PixelFormat::R16S,
};
// Missing formats:
// PixelFormat::RG8I
constexpr std::array VIEW_CLASS_8_BITS = {
PixelFormat::R8UI,
PixelFormat::R8U,
};
// Missing formats:
// PixelFormat::R8I
// PixelFormat::R8S
constexpr std::array VIEW_CLASS_RGTC1_RED = {
PixelFormat::DXN1,
};
// Missing formats:
// COMPRESSED_SIGNED_RED_RGTC1
constexpr std::array VIEW_CLASS_RGTC2_RG = {
PixelFormat::DXN2UNORM,
PixelFormat::DXN2SNORM,
};
constexpr std::array VIEW_CLASS_BPTC_UNORM = {
PixelFormat::BC7U,
PixelFormat::BC7U_SRGB,
};
constexpr std::array VIEW_CLASS_BPTC_FLOAT = {
PixelFormat::BC6H_SF16,
PixelFormat::BC6H_UF16,
};
// Compatibility table taken from Table 4.X.1 in:
// https://www.khronos.org/registry/OpenGL/extensions/ARB/ARB_copy_image.txt
constexpr std::array COPY_CLASS_128_BITS = {
PixelFormat::RGBA32UI, PixelFormat::RGBA32F, PixelFormat::DXT23,
PixelFormat::DXT23_SRGB, PixelFormat::DXT45, PixelFormat::DXT45_SRGB,
PixelFormat::DXN2SNORM, PixelFormat::BC7U, PixelFormat::BC7U_SRGB,
PixelFormat::BC6H_SF16, PixelFormat::BC6H_UF16,
};
// Missing formats:
// PixelFormat::RGBA32I
// COMPRESSED_RG_RGTC2
constexpr std::array COPY_CLASS_64_BITS = {
PixelFormat::RGBA16F, PixelFormat::RG32F, PixelFormat::RGBA16UI, PixelFormat::RG32UI,
PixelFormat::RGBA16U, PixelFormat::RGBA16S, PixelFormat::DXT1_SRGB, PixelFormat::DXT1,
};
// Missing formats:
// PixelFormat::RGBA16I
// PixelFormat::RG32I,
// COMPRESSED_RGB_S3TC_DXT1_EXT
// COMPRESSED_SRGB_S3TC_DXT1_EXT
// COMPRESSED_RGBA_S3TC_DXT1_EXT
// COMPRESSED_SIGNED_RED_RGTC1
void Enable(FormatCompatibility::Table& compatiblity, size_t format_a, size_t format_b) {
compatiblity[format_a][format_b] = true;
compatiblity[format_b][format_a] = true;
}
void Enable(FormatCompatibility::Table& compatibility, PixelFormat format_a, PixelFormat format_b) {
Enable(compatibility, static_cast<size_t>(format_a), static_cast<size_t>(format_b));
}
template <typename Range>
void EnableRange(FormatCompatibility::Table& compatibility, const Range& range) {
for (auto it_a = range.begin(); it_a != range.end(); ++it_a) {
for (auto it_b = it_a; it_b != range.end(); ++it_b) {
Enable(*it_a, *it_b);
}
}
}
} // Anonymous namespace
FormatCompatibility::FormatCompatibility() {
for (size_t i = 0; i < MaxPixelFormat; ++i) {
// Identity is allowed
Enable(view, i, i);
}
EnableRange(view, VIEW_CLASS_128_BITS);
EnableRange(view, VIEW_CLASS_96_BITS);
EnableRange(view, VIEW_CLASS_64_BITS);
EnableRange(view, VIEW_CLASS_32_BITS);
EnableRange(view, VIEW_CLASS_16_BITS);
EnableRange(view, VIEW_CLASS_8_BITS);
EnableRange(view, VIEW_CLASS_RGTC1_RED);
EnableRange(view, VIEW_CLASS_RGTC2_RG);
EnableRange(view, VIEW_CLASS_BPTC_UNORM);
EnableRange(view, VIEW_CLASS_BPTC_FLOAT);
copy = view;
EnableRange(copy, COPY_CLASS_128_BITS);
EnableRange(copy, COPY_CLASS_64_BITS);
}
} // namespace VideoCore::Surface
|