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tint: Add tint::OverrideId

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This is a public API definition of a program-unique override identifier.

Bug: tint:1155
Change-Id: I6e55d43208e72a7a316557a89e2169d1b952f9bf
Reviewed-on: https://dawn-review.googlesource.com/c/dawn/+/97006
Kokoro: Kokoro <noreply+kokoro@google.com>
Reviewed-by: Dan Sinclair <dsinclair@chromium.org>
Commit-Queue: Ben Clayton <bclayton@google.com>
This commit is contained in:
Ben Clayton
2022-07-27 20:50:40 +00:00
committed by Dawn LUCI CQ
parent b2306e27fc
commit 9a6acc419e
32 changed files with 446 additions and 359 deletions
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6
src/tint/transform/single_entry_point.cc
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@@ -76,11 +76,11 @@ void SingleEntryPoint::Run(CloneContext& ctx, const DataMap& inputs, DataMap&) c
[&](const ast::Override* override) {
if (referenced_vars.count(override)) {
if (!ast::HasAttribute<ast::IdAttribute>(override->attributes)) {
// If the constant doesn't already have an @id() attribute, add one
// If the override doesn't already have an @id() attribute, add one
// so that its allocated ID so that it won't be affected by other
// stripped away constants
// stripped away overrides
auto* global = sem.Get(override);
const auto* id = ctx.dst->Id(global->ConstantId());
const auto* id = ctx.dst->Id(global->OverrideId());
ctx.InsertFront(override->attributes, id);
}
ctx.dst->AST().AddGlobalVariable(ctx.Clone(override));