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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/msl/generator.h"
#include <utility>
#include "src/writer/msl/generator_impl.h"
namespace tint {
namespace writer {
namespace msl {
Options::Options() = default;
Options::~Options() = default;
Options::Options(const Options&) = default;
Options& Options::operator=(const Options&) = default;
Result::Result() = default;
Result::~Result() = default;
Result::Result(const Result&) = default;
Result Generate(const Program* program, const Options& options) {
Result result;
// Sanitize the program.
auto sanitized_result = Sanitize(
program, options.buffer_size_ubo_index, options.fixed_sample_mask,
options.emit_vertex_point_size, options.disable_workgroup_init,
options.array_length_from_uniform);
if (!sanitized_result.program.IsValid()) {
result.success = false;
result.error = sanitized_result.program.Diagnostics().str();
return result;
}
result.needs_storage_buffer_sizes =
sanitized_result.needs_storage_buffer_sizes;
result.used_array_length_from_uniform_indices =
std::move(sanitized_result.used_array_length_from_uniform_indices);
// Generate the MSL code.
auto impl = std::make_unique<GeneratorImpl>(&sanitized_result.program);
result.success = impl->Generate();
result.error = impl->error();
result.msl = impl->result();
result.has_invariant_attribute = impl->HasInvariant();
result.workgroup_allocations = impl->DynamicWorkgroupAllocations();
return result;
}
} // namespace msl
} // namespace writer
} // namespace tint