github/wgpu
1
1
Fork 0
mirror of https://github.com/gfx-rs/wgpu.git synced 2026-04-22 03:02:01 -04:00
Code Issues Packages Projects Releases Wiki Activity

[glsl-out] Handle wgsl vector version of select

Browse Source
This commit is contained in:
Gordon-F
2021-08-05 01:58:54 +03:00
committed by Dzmitry Malyshau
parent 2ff7dcb417
commit b2e51c97c8
1 changed files with 24 additions and 6 deletions
Download Patch File Download Diff File Expand all files Collapse all files

30
src/back/glsl/mod.rs
View File

@@ -2115,12 +2115,30 @@ impl<'a, W: Write> Writer<'a, W> {
accept,
reject,
} => {
write!(self.out, "(")?;
self.write_expr(condition, ctx)?;
write!(self.out, " ? ")?;
self.write_expr(accept, ctx)?;
write!(self.out, " : ")?;
self.write_expr(reject, ctx)?;
let cond_ty = ctx.info[condition].ty.inner_with(&self.module.types);
let vec_select = if let TypeInner::Vector { .. } = *cond_ty {
true
} else {
false
};
// TODO: Boolean mix on desktop required GL_EXT_shader_integer_mix
if vec_select {
write!(self.out, "mix(")?;
self.write_expr(accept, ctx)?;
write!(self.out, ", ")?;
self.write_expr(reject, ctx)?;
write!(self.out, ", ")?;
self.write_expr(condition, ctx)?;
} else {
write!(self.out, "(")?;
self.write_expr(condition, ctx)?;
write!(self.out, " ? ")?;
self.write_expr(accept, ctx)?;
write!(self.out, " : ")?;
self.write_expr(reject, ctx)?;
}
write!(self.out, ")")?
}
// `Derivative` is a function call to a glsl provided function