commit 4a38f0a803b9d2f653a39970b7fc187ca1becc1d
author Brandon Jones <brandon1.jones@intel.com> Thu Jun 29 00:41:25 2023 +0000
committer Dawn LUCI CQ <dawn-scoped@luci-project-accounts.iam.gserviceaccount.com> Thu Jun 29 00:41:25 2023 +0000
tree 0dc1a7409ca486000d07ca7a5b05c8e4145073ca
parent 6898fb3b4235577e192071bd4ee1335b19315152

Add @index Attribute to WGSL Writer

Adds @index attribute to WGSL writer.

Bug: dawn:1709
Change-Id: Ia92d18d48119b83f2d7d2030d3b58efb3ca2d700
Reviewed-on: https://dawn-review.googlesource.com/c/dawn/+/139340
Reviewed-by: Ben Clayton <bclayton@google.com>
Kokoro: Kokoro <noreply+kokoro@google.com>
Commit-Queue: Brandon1 Jones <brandon1.jones@intel.com>

src/tint/writer/syntax_tree/generator_impl.cc

diff --git a/src/tint/writer/syntax_tree/generator_impl.cc b/src/tint/writer/syntax_tree/generator_impl.cc
index 4574c14..b6ba3ea 100644
--- a/src/tint/writer/syntax_tree/generator_impl.cc
+++ b/src/tint/writer/syntax_tree/generator_impl.cc
@@ -520,6 +520,14 @@
                 }
                 Line() << "]";
             },
+            [&](const ast::IndexAttribute* index) {
+                line() << "IndexAttribute [";
+                {
+                    ScopedIndent idx(this);
+                    EmitExpression(index->expr);
+                }
+                line() << "]";
+            },
             [&](const ast::BuiltinAttribute* builtin) {
                 Line() << "BuiltinAttribute [";
                 {

src/tint/writer/wgsl/generator_impl.cc

diff --git a/src/tint/writer/wgsl/generator_impl.cc b/src/tint/writer/wgsl/generator_impl.cc
index 59aa35c..b36994a 100644
--- a/src/tint/writer/wgsl/generator_impl.cc
+++ b/src/tint/writer/wgsl/generator_impl.cc
@@ -430,6 +430,11 @@
                 EmitExpression(out, location->expr);
                 out << ")";
             },
+            [&](const ast::IndexAttribute* index) {
+                out << "index(";
+                EmitExpression(out, index->expr);
+                out << ")";
+            },
             [&](const ast::BuiltinAttribute* builtin) {
                 out << "builtin(";
                 EmitExpression(out, builtin->builtin);