librashader/librashader-reflect/src/back/cross.rs

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use crate::back::targets::{CompilerBackend, FromCompilation, GLSL, HLSL};
use crate::back::CompileShader;
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use crate::error::ShaderReflectError;
use crate::front::shaderc::GlslangCompilation;
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use crate::reflect::cross::{CompiledAst, GlslReflect, HlslReflect};
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use crate::reflect::ReflectShader;
pub type GlVersion = spirv_cross::glsl::Version;
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pub struct GlslangGlslContext {
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pub sampler_bindings: Vec<u32>,
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pub compiler: CompiledAst<spirv_cross::glsl::Target>,
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}
impl FromCompilation<GlslangCompilation> for GLSL {
type Target = GLSL;
type Options = GlVersion;
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type Context = GlslangGlslContext;
fn from_compilation(
compile: GlslangCompilation,
) -> Result<
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CompilerBackend<
impl CompileShader<Self::Target, Options = Self::Options, Context = Self::Context>
+ ReflectShader,
>,
ShaderReflectError,
> {
Ok(CompilerBackend {
backend: GlslReflect::try_from(compile)?,
})
}
}
impl FromCompilation<GlslangCompilation> for HLSL {
type Target = HLSL;
type Options = Option<()>;
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type Context = ();
fn from_compilation(
compile: GlslangCompilation,
) -> Result<
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CompilerBackend<
impl CompileShader<Self::Target, Options = Self::Options, Context = Self::Context>
+ ReflectShader,
>,
ShaderReflectError,
> {
Ok(CompilerBackend {
backend: HlslReflect::try_from(compile)?,
})
}
}