blob: f1358529ac659e54683a265fdc3fc60748568958 [file] [log] [blame]
// Copyright 2020 The Dawn & Tint Authors
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions are met:
//
// 1. Redistributions of source code must retain the above copyright notice, this
// list of conditions and the following disclaimer.
//
// 2. Redistributions in binary form must reproduce the above copyright notice,
// this list of conditions and the following disclaimer in the documentation
// and/or other materials provided with the distribution.
//
// 3. Neither the name of the copyright holder nor the names of its
// contributors may be used to endorse or promote products derived from
// this software without specific prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
// AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
// IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
// DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
// FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
// DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
// SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
// CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
// OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
#include "src/tint/lang/hlsl/writer/writer.h"
#include <memory>
#include <utility>
#include "src/tint/lang/hlsl/writer/ast_printer/ast_printer.h"
namespace tint::hlsl::writer {
Result<Output> Generate(const Program& program, const Options& options) {
if (!program.IsValid()) {
return Failure{program.Diagnostics()};
}
// Sanitize the program.
auto sanitized_result = Sanitize(program, options);
if (!sanitized_result.program.IsValid()) {
return Failure{sanitized_result.program.Diagnostics()};
}
// Generate the HLSL code.
auto impl = std::make_unique<ASTPrinter>(sanitized_result.program);
if (!impl->Generate()) {
return Failure{impl->Diagnostics()};
}
Output output;
output.hlsl = impl->Result();
// Collect the list of entry points in the sanitized program.
for (auto* func : sanitized_result.program.AST().Functions()) {
if (func->IsEntryPoint()) {
auto name = func->name->symbol.Name();
output.entry_points.push_back({name, func->PipelineStage()});
}
}
output.used_array_length_from_uniform_indices =
std::move(sanitized_result.used_array_length_from_uniform_indices);
return output;
}
} // namespace tint::hlsl::writer