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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.
#ifndef SRC_WRITER_HLSL_GENERATOR_H_
#define SRC_WRITER_HLSL_GENERATOR_H_
#include <memory>
#include <string>
#include <utility>
#include <vector>
#include "src/ast/pipeline_stage.h"
#include "src/writer/text.h"
namespace tint {
// Forward declarations
class Program;
namespace writer {
namespace hlsl {
// Forward declarations
class GeneratorImpl;
/// Configuration options used for generating HLSL.
struct Options {
/// Set to `true` to disable workgroup memory zero initialization
bool disable_workgroup_init = false;
};
/// The result produced when generating HLSL.
struct Result {
/// Constructor
Result();
/// Destructor
~Result();
/// Copy constructor
Result(const Result&);
/// True if generation was successful.
bool success = false;
/// The errors generated during code generation, if any.
std::string error;
/// The generated HLSL.
std::string hlsl = "";
/// The list of entry points in the generated HLSL.
std::vector<std::pair<std::string, ast::PipelineStage>> entry_points;
};
/// Generate HLSL for a program, according to a set of configuration options.
/// The result will contain the HLSL, as well as success status and diagnostic
/// information.
/// @param program the program to translate to HLSL
/// @param options the configuration options to use when generating HLSL
/// @returns the resulting HLSL and supplementary information
Result Generate(const Program* program, const Options& options);
} // namespace hlsl
} // namespace writer
} // namespace tint
#endif // SRC_WRITER_HLSL_GENERATOR_H_