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dx12: reduce initializations of dxc

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This commit is contained in:
chyyran 2023-02-05 21:17:16 -05:00
parent 227cae6405
commit 621d1da3c2
1 changed files with 12 additions and 4 deletions
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16
librashader-runtime-d3d12/src/filter_chain.rs
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@ -362,11 +362,18 @@ impl FilterChainD3D12 {
let filters: Vec<error::Result<_>> = passes.into_par_iter()
.zip(hlsl_passes)
.enumerate()
.map(|(index, ((config, source, mut dxil),
.map_init(
|| {
let validator: IDxcValidator = unsafe { DxcCreateInstance(&CLSID_DxcValidator)? };
let library: IDxcUtils = unsafe { DxcCreateInstance(&CLSID_DxcLibrary)? };
let compiler: IDxcCompiler = unsafe { DxcCreateInstance(&CLSID_DxcCompiler)? };
Ok::<_, FilterChainError>((validator, library, compiler))
},
|dxc, (index, ((config, source, mut dxil),
(_, _, mut hlsl)))| {
let validator: IDxcValidator = unsafe { DxcCreateInstance(&CLSID_DxcValidator)? };
let library: IDxcUtils = unsafe { DxcCreateInstance(&CLSID_DxcLibrary)? };
let compiler: IDxcCompiler = unsafe { DxcCreateInstance(&CLSID_DxcCompiler)? };
let Ok((validator, library, compiler)) = dxc else {
return Err(FilterChainError::Direct3DOperationError("Could not initialize DXC for thread"));
};
let dxil_reflection = dxil.reflect(index, semantics)?;
let dxil = dxil.compile(Some(
@ -446,6 +453,7 @@ impl FilterChainD3D12 {
let filters: error::Result<Vec<_>> = filters.into_iter().collect();
let filters = filters?;
/// Need to take care of the heaps in a single thread because [;16] is not sized..?
let filters: Vec<error::Result<FilterPass>> = filters
.into_iter()
.zip(work_heaps)