librashader_reflect/back/
msl.rs

1use crate::back::targets::MSL;
2use crate::back::{CompileReflectShader, CompilerBackend, FromCompilation};
3use crate::error::ShaderReflectError;
4use crate::front::SpirvCompilation;
5use crate::reflect::cross::msl::MslReflect;
6use crate::reflect::cross::{CompiledProgram, SpirvCross};
7use crate::reflect::naga::{Naga, NagaReflect};
8use naga::back::msl::TranslationInfo;
9use naga::Module;
10
11/// The MSL language version to target.
12pub use spirv_cross2::compile::msl::MslVersion;
13
14/// Compiler options for MSL
15#[derive(Debug, Default, Clone)]
16pub struct MslNagaCompileOptions {
17    // pub write_pcb_as_ubo: bool,
18    pub sampler_bind_group: u32,
19}
20
21/// The context for a MSL compilation via spirv-cross.
22pub struct CrossMslContext {
23    /// The compiled HLSL program.
24    pub artifact: CompiledProgram<spirv_cross2::targets::Msl>,
25}
26
27#[cfg(not(feature = "stable"))]
28impl FromCompilation<SpirvCompilation, SpirvCross> for MSL {
29    type Target = MSL;
30    type Options = Option<self::MslVersion>;
31    type Context = CrossMslContext;
32    type Output = impl CompileReflectShader<Self::Target, SpirvCompilation, SpirvCross>;
33
34    fn from_compilation(
35        compile: SpirvCompilation,
36    ) -> Result<CompilerBackend<Self::Output>, ShaderReflectError> {
37        Ok(CompilerBackend {
38            backend: MslReflect::try_from(&compile)?,
39        })
40    }
41}
42
43#[cfg(feature = "stable")]
44impl FromCompilation<SpirvCompilation, SpirvCross> for MSL {
45    type Target = MSL;
46    type Options = Option<self::MslVersion>;
47    type Context = CrossMslContext;
48    type Output = Box<dyn CompileReflectShader<Self::Target, SpirvCompilation, SpirvCross> + Send>;
49
50    fn from_compilation(
51        compile: SpirvCompilation,
52    ) -> Result<CompilerBackend<Self::Output>, ShaderReflectError> {
53        Ok(CompilerBackend {
54            backend: Box::new(MslReflect::try_from(&compile)?),
55        })
56    }
57}
58
59/// The naga module for a shader after compilation
60pub struct NagaMslModule {
61    pub translation_info: TranslationInfo,
62    pub module: Module,
63}
64
65pub struct NagaMslContext {
66    pub vertex: NagaMslModule,
67    pub fragment: NagaMslModule,
68    pub next_free_binding: u32,
69}
70
71#[cfg(not(feature = "stable"))]
72impl FromCompilation<SpirvCompilation, Naga> for MSL {
73    type Target = MSL;
74    type Options = Option<self::MslVersion>;
75    type Context = NagaMslContext;
76    type Output = impl CompileReflectShader<Self::Target, SpirvCompilation, Naga>;
77
78    fn from_compilation(
79        compile: SpirvCompilation,
80    ) -> Result<CompilerBackend<Self::Output>, ShaderReflectError> {
81        Ok(CompilerBackend {
82            backend: NagaReflect::try_from(&compile)?,
83        })
84    }
85}
86
87#[cfg(feature = "stable")]
88impl FromCompilation<SpirvCompilation, Naga> for MSL {
89    type Target = MSL;
90    type Options = Option<self::MslVersion>;
91    type Context = NagaMslContext;
92    type Output = Box<dyn CompileReflectShader<Self::Target, SpirvCompilation, Naga> + Send>;
93
94    fn from_compilation(
95        compile: SpirvCompilation,
96    ) -> Result<CompilerBackend<Self::Output>, ShaderReflectError> {
97        Ok(CompilerBackend {
98            backend: Box::new(NagaReflect::try_from(&compile)?),
99        })
100    }
101}
librashader_reflect/back/msl.rs

librashader_reflect/back/
msl.rs
