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// 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.
#include "src/writer/spirv/generator.h"
#include "src/transform/spirv.h"
#include "src/writer/spirv/binary_writer.h"
namespace tint {
namespace writer {
namespace spirv {
Result::Result() = default;
Result::~Result() = default;
Result::Result(const Result&) = default;
Result Generate(const Program* program, const Options& options) {
Result result;
// Run the SPIR-V sanitizer.
transform::Spirv sanitizer;
transform::DataMap transform_input;
transform_input.Add<transform::Spirv::Config>(options.emit_vertex_point_size,
options.disable_workgroup_init);
auto output = sanitizer.Run(program, transform_input);
if (!output.program.IsValid()) {
result.success = false;
result.error = output.program.Diagnostics().str();
return result;
}
// Generate the SPIR-V code.
auto builder = std::make_unique<Builder>(&output.program);
auto writer = std::make_unique<BinaryWriter>();
if (!builder->Build()) {
result.success = false;
result.error = builder->error();
return result;
}
writer->WriteHeader(builder->id_bound());
writer->WriteBuilder(builder.get());
result.success = true;
result.spirv = writer->result();
return result;
}
} // namespace spirv
} // namespace writer
} // namespace tint