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

spv-in: OpVectorInsertDynamic allow unsigned index

Browse Source
This commit is contained in:
João Capucho
2022-01-07 15:07:55 +00:00
committed by Dzmitry Malyshau
parent eeb3de6f86
commit a8929603ac
1 changed files with 18 additions and 1 deletions
Download Patch File Download Diff File Expand all files Collapse all files

19
src/front/spv/mod.rs
View File

@@ -1687,7 +1687,24 @@ impl<I: Iterator<Item = u32>> Parser<I> {
let root_handle = get_expr_handle!(composite_id, root_lexp);
let root_type_lookup = self.lookup_type.lookup(root_lexp.type_id)?;
let index_lexp = self.lookup_expression.lookup(index_id)?;
let index_handle = get_expr_handle!(index_id, index_lexp);
let mut index_handle = get_expr_handle!(index_id, index_lexp);
let index_type = self.lookup_type.lookup(index_lexp.type_id)?.handle;
// SPIR-V allows signed and unsigned indices but naga's is strict about
// types and since the `index_constants` are all signed integers, we need
// to cast the index to a signed integer if it's unsigned.
if let Some(crate::ScalarKind::Uint) =
ctx.type_arena[index_type].inner.scalar_kind()
{
index_handle = ctx.expressions.append(
crate::Expression::As {
expr: index_handle,
kind: crate::ScalarKind::Sint,
convert: None,
},
span,
)
}
let num_components = match ctx.type_arena[root_type_lookup.handle].inner {
crate::TypeInner::Vector { size, .. } => size as usize,