78 lines
2.7 KiB
Rust
78 lines
2.7 KiB
Rust
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pub use spirv_to_dxil::DxilObject;
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pub use spirv_to_dxil::ShaderModel;
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use spirv_to_dxil::{ShaderStage, ValidatorVersion};
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use crate::back::{CompilerBackend, CompileShader, FromCompilation, ShaderCompilerOutput};
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use crate::back::spirv::WriteSpirV;
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use crate::back::targets::{DXIL, OutputTarget};
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use crate::error::{ShaderCompileError, ShaderReflectError};
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use crate::front::GlslangCompilation;
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use crate::reflect::cross::GlslReflect;
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use crate::reflect::ReflectShader;
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impl OutputTarget for DXIL {
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type Output = DxilObject;
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}
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impl FromCompilation<GlslangCompilation> for DXIL {
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type Target = DXIL;
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type Options = Option<ShaderModel>;
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type Context = ();
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type Output = impl CompileShader<Self::Target, Options = Self::Options, Context = Self::Context>
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+ ReflectShader;
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fn from_compilation(
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compile: GlslangCompilation,
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) -> Result<CompilerBackend<Self::Output>, ShaderReflectError> {
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let vertex = compile.vertex.as_binary().to_vec();
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let fragment = compile.fragment.as_binary().to_vec();
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let reflect = GlslReflect::try_from(compile)?;
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Ok(CompilerBackend {
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// we can just reuse WriteSpirV as the backend.
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backend: WriteSpirV {
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reflect,
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vertex,
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fragment,
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},
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})
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}
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}
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impl CompileShader<DXIL> for WriteSpirV {
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type Options = Option<ShaderModel>;
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type Context = ();
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fn compile(
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self,
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options: Self::Options,
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) -> Result<ShaderCompilerOutput<DxilObject, Self::Context>, ShaderCompileError> {
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let sm = options.unwrap_or(ShaderModel::ShaderModel6_0);
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// todo: do we want to allow other entry point names?
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let vertex =
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spirv_to_dxil::spirv_to_dxil(&self.vertex,
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None, "main",
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ShaderStage::Vertex,
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sm,
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ValidatorVersion::None,
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Default::default())
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.map_err(|s| ShaderCompileError::SpirvToDxilCompileError(s))?;
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let fragment =
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spirv_to_dxil::spirv_to_dxil(&self.fragment,
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None, "main",
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ShaderStage::Fragment,
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ShaderModel::ShaderModel6_0,
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ValidatorVersion::None,
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Default::default())
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.map_err(|s| ShaderCompileError::SpirvToDxilCompileError(s))?;
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Ok(ShaderCompilerOutput {
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vertex,
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fragment,
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context: (),
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})
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}
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}
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