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// Copyright 2023 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.
#include "src/tint/fuzzers/apply_substitute_overrides.h"
#include <memory>
#include <utility>
#include "src/tint/lang/wgsl/ast/transform/manager.h"
#include "src/tint/lang/wgsl/ast/transform/substitute_override.h"
#include "src/tint/lang/wgsl/inspector/inspector.h"
#include "src/tint/lang/wgsl/program/program.h"
namespace tint::fuzzers {
Program ApplySubstituteOverrides(Program&& program) {
ast::transform::SubstituteOverride::Config cfg;
inspector::Inspector inspector(&program);
auto default_values = inspector.GetOverrideDefaultValues();
for (const auto& [override_id, scalar] : default_values) {
// If the override is not null, then it has a default value, we can just let it use the
// provided default instead of overriding.
if (scalar.IsNull()) {
cfg.map.insert({override_id, 0.0});
}
}
if (default_values.empty()) {
return std::move(program);
}
ast::transform::DataMap override_data;
override_data.Add<ast::transform::SubstituteOverride::Config>(cfg);
ast::transform::Manager mgr;
mgr.append(std::make_unique<ast::transform::SubstituteOverride>());
ast::transform::DataMap outputs;
return mgr.Run(&program, override_data, outputs);
}
} // namespace tint::fuzzers