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Added SpirvBuilder API to set extra codegen arguments

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This commit is contained in:
Sylvester Hesp 2023-03-14 14:39:12 +01:00
parent 31660ac63c
commit 17ff16f645
1 changed files with 12 additions and 0 deletions
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12
crates/spirv-builder/src/lib.rs
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@ -159,6 +159,7 @@ pub struct SpirvBuilder {
spirv_metadata: SpirvMetadata,
capabilities: Vec<Capability>,
extensions: Vec<String>,
extra_args: Vec<String>,
// spirv-val flags
pub relax_struct_store: bool,
@ -184,6 +185,7 @@ impl SpirvBuilder {
spirv_metadata: SpirvMetadata::None,
capabilities: Vec::new(),
extensions: Vec::new(),
extra_args: Vec::new(),
relax_struct_store: false,
relax_logical_pointer: false,
@ -304,6 +306,14 @@ impl SpirvBuilder {
self
}
/// Set additional "codegen arg". Note: the `RUSTGPU_CODEGEN_ARGS` environment variable
/// takes precedence over any set arguments using this function.
#[must_use]
pub fn extra_arg(mut self, arg: impl Into<String>) -> Self {
self.extra_args.push(arg.into());
self
}
/// Builds the module. If `print_metadata` is [`MetadataPrintout::Full`], you usually don't have to inspect the path
/// in the result, as the environment variable for the path to the module will already be set.
pub fn build(mut self) -> Result<CompileResult, SpirvBuilderError> {
@ -475,6 +485,8 @@ fn invoke_rustc(builder: &SpirvBuilder) -> Result<PathBuf, SpirvBuilderError> {
if let Ok(extra_codegen_args) = tracked_env_var_get("RUSTGPU_CODEGEN_ARGS") {
llvm_args.extend(extra_codegen_args.split_whitespace().map(|s| s.to_string()));
} else {
llvm_args.extend(builder.extra_args.iter().cloned());
}
let llvm_args = join_checking_for_separators(llvm_args, " ");