blob: 1050949613d6714db66469a42c79189f13922069 [file] [log] [blame]
// 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/tint/lang/msl/ast_writer/generator.h"
#include <utility>
#include "src/tint/lang/msl/ast_writer/generator_impl.h"
#if TINT_BUILD_IR
#include "src/tint/lang/core/ir/from_program.h" // nogncheck
#include "src/tint/lang/msl/writer/generator_impl_ir.h" // nogncheck
#endif // TINT_BUILD_IR
namespace tint::writer::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;
if (!program->IsValid()) {
result.error = "input program is not valid";
return result;
}
#if TINT_BUILD_IR
if (options.use_tint_ir) {
// Convert the AST program to an IR module.
auto converted = ir::FromProgram(program);
if (!converted) {
result.error = "IR converter: " + converted.Failure();
return result;
}
// Generate the MSL code.
auto ir = converted.Move();
auto impl = std::make_unique<GeneratorImplIr>(&ir);
result.success = impl->Generate();
result.error = impl->Diagnostics().str();
result.msl = impl->Result();
} else // NOLINT(readability/braces)
#endif
{
// Sanitize the program.
auto sanitized_result = Sanitize(program, options);
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->Diagnostics().str();
result.msl = impl->Result();
result.has_invariant_attribute = impl->HasInvariant();
result.workgroup_allocations = impl->DynamicWorkgroupAllocations();
}
return result;
}
} // namespace tint::writer::msl