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
|
use super::Error;
pub fn map_storage_class(word: &str) -> Result<crate::StorageClass, Error<'_>> {
match word {
"in" => Ok(crate::StorageClass::Input),
"out" => Ok(crate::StorageClass::Output),
"private" => Ok(crate::StorageClass::Private),
"uniform" => Ok(crate::StorageClass::Uniform),
"storage" => Ok(crate::StorageClass::Storage),
_ => Err(Error::UnknownStorageClass(word)),
}
}
pub fn map_built_in(word: &str) -> Result<crate::BuiltIn, Error<'_>> {
Ok(match word {
// vertex
"position" => crate::BuiltIn::Position,
"vertex_idx" => crate::BuiltIn::VertexIndex,
"instance_idx" => crate::BuiltIn::InstanceIndex,
// fragment
"front_facing" => crate::BuiltIn::FrontFacing,
"frag_coord" => crate::BuiltIn::FragCoord,
"frag_depth" => crate::BuiltIn::FragDepth,
// compute
"global_invocation_id" => crate::BuiltIn::GlobalInvocationId,
"local_invocation_id" => crate::BuiltIn::LocalInvocationId,
"local_invocation_idx" => crate::BuiltIn::LocalInvocationIndex,
_ => return Err(Error::UnknownBuiltin(word)),
})
}
pub fn map_shader_stage(word: &str) -> Result<crate::ShaderStage, Error<'_>> {
match word {
"vertex" => Ok(crate::ShaderStage::Vertex),
"fragment" => Ok(crate::ShaderStage::Fragment),
"compute" => Ok(crate::ShaderStage::Compute),
_ => Err(Error::UnknownShaderStage(word)),
}
}
pub fn map_interpolation(word: &str) -> Result<crate::Interpolation, Error<'_>> {
match word {
"linear" => Ok(crate::Interpolation::Linear),
"flat" => Ok(crate::Interpolation::Flat),
"centroid" => Ok(crate::Interpolation::Centroid),
"sample" => Ok(crate::Interpolation::Sample),
"perspective" => Ok(crate::Interpolation::Perspective),
_ => Err(Error::UnknownDecoration(word)),
}
}
pub fn map_storage_format(word: &str) -> Result<crate::StorageFormat, Error<'_>> {
use crate::StorageFormat as Sf;
Ok(match word {
"r8unorm" => Sf::R8Unorm,
"r8snorm" => Sf::R8Snorm,
"r8uint" => Sf::R8Uint,
"r8sint" => Sf::R8Sint,
"r16uint" => Sf::R16Uint,
"r16sint" => Sf::R16Sint,
"r16float" => Sf::R16Float,
"rg8unorm" => Sf::Rg8Unorm,
"rg8snorm" => Sf::Rg8Snorm,
"rg8uint" => Sf::Rg8Uint,
"rg8sint" => Sf::Rg8Sint,
"r32uint" => Sf::R32Uint,
"r32sint" => Sf::R32Sint,
"r32float" => Sf::R32Float,
"rg16uint" => Sf::Rg16Uint,
"rg16sint" => Sf::Rg16Sint,
"rg16float" => Sf::Rg16Float,
"rgba8unorm" => Sf::Rgba8Unorm,
"rgba8snorm" => Sf::Rgba8Snorm,
"rgba8uint" => Sf::Rgba8Uint,
"rgba8sint" => Sf::Rgba8Sint,
"rgb10a2unorm" => Sf::Rgb10a2Unorm,
"rg11b10float" => Sf::Rg11b10Float,
"rg32uint" => Sf::Rg32Uint,
"rg32sint" => Sf::Rg32Sint,
"rg32float" => Sf::Rg32Float,
"rgba16uint" => Sf::Rgba16Uint,
"rgba16sint" => Sf::Rgba16Sint,
"rgba16float" => Sf::Rgba16Float,
"rgba32uint" => Sf::Rgba32Uint,
"rgba32sint" => Sf::Rgba32Sint,
"rgba32float" => Sf::Rgba32Float,
_ => return Err(Error::UnknownStorageFormat(word)),
})
}
pub fn get_scalar_type(word: &str) -> Option<(crate::ScalarKind, crate::Bytes)> {
match word {
"f32" => Some((crate::ScalarKind::Float, 4)),
"i32" => Some((crate::ScalarKind::Sint, 4)),
"u32" => Some((crate::ScalarKind::Uint, 4)),
_ => None,
}
}
pub fn get_intrinsic(word: &str) -> Option<crate::IntrinsicFunction> {
match word {
"any" => Some(crate::IntrinsicFunction::Any),
"all" => Some(crate::IntrinsicFunction::All),
"is_nan" => Some(crate::IntrinsicFunction::IsNan),
"is_inf" => Some(crate::IntrinsicFunction::IsInf),
"is_normal" => Some(crate::IntrinsicFunction::IsNormal),
_ => None,
}
}
pub fn get_derivative(word: &str) -> Option<crate::DerivativeAxis> {
match word {
"dpdx" => Some(crate::DerivativeAxis::X),
"dpdy" => Some(crate::DerivativeAxis::Y),
"dwidth" => Some(crate::DerivativeAxis::Width),
_ => None,
}
}
|
