nordic-dev.net/wgpu
nordic-dev.net/wgpu
2
0
Fork 0
mirror of https://github.com/gfx-rs/wgpu.git synced 2024-11-27 01:03:41 +00:00
Code Issues Packages Projects Releases Wiki Activity

Add more builtins to wgsl frontend (#143)

Browse Source
This commit is contained in:
Lachlan Sneff 2020-08-20 01:39:27 -04:00 committed by GitHub
parent 88fb1bb22a
commit bd276bf4a4
No known key found for this signature in database
GPG Key ID: 4AEE18F83AFDEB23
1 changed files with 13 additions and 8 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

21
src/front/wgsl.rs
View File

@ -437,16 +437,21 @@ impl Parser {
}
fn get_built_in(word: &str) -> Result<crate::BuiltIn, Error<'_>> {
match word {
Ok(match word {
// vertex
"position" => Ok(crate::BuiltIn::Position),
"vertex_idx" => Ok(crate::BuiltIn::VertexIndex),
"instance_idx" => Ok(crate::BuiltIn::InstanceIndex),
"position" => crate::BuiltIn::Position,
"vertex_idx" => crate::BuiltIn::VertexIndex,
"instance_idx" => crate::BuiltIn::InstanceIndex,
// fragment
"front_facing" => crate::BuiltIn::FrontFacing,
"frag_coord" => crate::BuiltIn::FragCoord,
"frag_depth" => crate::BuiltIn::FragDepth,
// compute
"global_invocation_id" => Ok(crate::BuiltIn::GlobalInvocationId),
"local_invocation_id" => Ok(crate::BuiltIn::LocalInvocationId),
_ => Err(Error::UnknownBuiltin(word)),
}
"global_invocation_id" => crate::BuiltIn::GlobalInvocationId,
"local_invocation_id" => crate::BuiltIn::LocalInvocationId,
"local_invocation_idx" => crate::BuiltIn::LocalInvocationIndex,
_ => return Err(Error::UnknownBuiltin(word)),
})
}
fn get_shader_stage(word: &str) -> Result<crate::ShaderStage, Error<'_>> {