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// Copyright 2022 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 <string>
#include "src/tint/cmd/bench/bench.h"
#include "src/tint/lang/msl/writer/writer.h"
#include "src/tint/lang/wgsl/ast/module.h"
#include "src/tint/lang/wgsl/sem/variable.h"
namespace tint::msl::writer {
namespace {
void GenerateMSL(benchmark::State& state, std::string input_name) {
auto res = bench::LoadProgram(input_name);
if (auto err = std::get_if<bench::Error>(&res)) {
state.SkipWithError(err->msg.c_str());
return;
}
auto& program = std::get<bench::ProgramAndFile>(res).program;
tint::msl::writer::Options gen_options = {};
gen_options.array_length_from_uniform.ubo_binding = tint::BindingPoint{0, 30};
gen_options.array_length_from_uniform.bindpoint_to_size_index.emplace(tint::BindingPoint{0, 0},
0);
gen_options.array_length_from_uniform.bindpoint_to_size_index.emplace(tint::BindingPoint{0, 1},
1);
gen_options.array_length_from_uniform.bindpoint_to_size_index.emplace(tint::BindingPoint{0, 2},
2);
gen_options.array_length_from_uniform.bindpoint_to_size_index.emplace(tint::BindingPoint{0, 3},
3);
gen_options.array_length_from_uniform.bindpoint_to_size_index.emplace(tint::BindingPoint{0, 4},
4);
gen_options.array_length_from_uniform.bindpoint_to_size_index.emplace(tint::BindingPoint{0, 5},
5);
gen_options.array_length_from_uniform.bindpoint_to_size_index.emplace(tint::BindingPoint{0, 6},
6);
gen_options.array_length_from_uniform.bindpoint_to_size_index.emplace(tint::BindingPoint{0, 7},
7);
uint32_t next_binding_point = 0;
for (auto* var : program.AST().GlobalVariables()) {
if (auto* var_sem = program.Sem().Get(var)->As<sem::GlobalVariable>()) {
if (auto bp = var_sem->BindingPoint()) {
gen_options.binding_remapper_options.binding_points[*bp] = BindingPoint{
0, // group
next_binding_point++, // binding
};
}
}
}
for (auto _ : state) {
auto res = Generate(program, gen_options);
if (!res) {
state.SkipWithError(res.Failure().reason.str());
}
}
}
TINT_BENCHMARK_PROGRAMS(GenerateMSL);
} // namespace
} // namespace tint::msl::writer