src/tint/lang/glsl/writer/writer_bench.cc

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#include <string>

#include "src/tint/cmd/bench/bench.h"
#include "src/tint/lang/glsl/writer/writer.h"
#include "src/tint/lang/wgsl/ast/identifier.h"
#include "src/tint/lang/wgsl/ast/module.h"

namespace tint::glsl::writer {
namespace {

void GenerateGLSL(benchmark::State& state, std::string input_name) {
    auto res = bench::LoadProgram(input_name);
    if (res != Success) {
        state.SkipWithError(res.Failure().reason.str());
        return;
    }
    auto& program = res->program;
    std::vector<std::string> entry_points;
    for (auto& fn : program.AST().Functions()) {
        if (fn->IsEntryPoint()) {
            entry_points.emplace_back(fn->name->symbol.Name());
        }
    }

    for (auto _ : state) {
        for (auto& ep : entry_points) {
            auto gen_res = Generate(program, {}, ep);
            if (gen_res != Success) {
                state.SkipWithError(gen_res.Failure().reason.str());
            }
        }
    }
}

TINT_BENCHMARK_PROGRAMS(GenerateGLSL);

}  // namespace
}  // namespace tint::glsl::writer