tint->dawn: Shuffle source tree in preperation of merging repos
docs/ -> docs/tint/
fuzzers/ -> src/tint/fuzzers/
samples/ -> src/tint/cmd/
src/ -> src/tint/
test/ -> test/tint/
BUG=tint:1418,tint:1433
Change-Id: Id2aa79f989aef3245b80ef4aa37a27ff16cd700b
Reviewed-on: https://dawn-review.googlesource.com/c/tint/+/80482
Kokoro: Kokoro <noreply+kokoro@google.com>
Reviewed-by: Ben Clayton <bclayton@google.com>
Commit-Queue: Ryan Harrison <rharrison@chromium.org>
diff --git a/src/tint/ast/builtin.h b/src/tint/ast/builtin.h
new file mode 100644
index 0000000..913eba2
--- /dev/null
+++ b/src/tint/ast/builtin.h
@@ -0,0 +1,52 @@
+// Copyright 2020 The Tint Authors.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+// http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+#ifndef SRC_TINT_AST_BUILTIN_H_
+#define SRC_TINT_AST_BUILTIN_H_
+
+#include <ostream>
+
+namespace tint {
+namespace ast {
+
+/// The builtin identifiers
+enum class Builtin {
+ kNone = -1,
+ kPosition,
+ kVertexIndex,
+ kInstanceIndex,
+ kFrontFacing,
+ kFragDepth,
+ kLocalInvocationId,
+ kLocalInvocationIndex,
+ kGlobalInvocationId,
+ kWorkgroupId,
+ kNumWorkgroups,
+ kSampleIndex,
+ kSampleMask,
+
+ // Below are not currently WGSL builtins, but are included in this enum as
+ // they are used by certain backends.
+ kPointSize,
+};
+
+/// @param out the std::ostream to write to
+/// @param builtin the Builtin
+/// @return the std::ostream so calls can be chained
+std::ostream& operator<<(std::ostream& out, Builtin builtin);
+
+} // namespace ast
+} // namespace tint
+
+#endif // SRC_TINT_AST_BUILTIN_H_
