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// Copyright 2018 The Amber 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 "amber/amber.h"
#include <memory>
#include <string>
#include "src/amberscript/executor.h"
#include "src/amberscript/parser.h"
#include "src/engine.h"
#include "src/executor.h"
#include "src/make_unique.h"
#include "src/parser.h"
#include "src/vkscript/executor.h"
#include "src/vkscript/parser.h"
namespace amber {
Amber::Amber() = default;
Amber::~Amber() = default;
amber::Result Amber::Execute(const std::string& input, const Options& opts) {
ShaderMap map;
return ExecuteWithShaderData(input, opts, map);
}
amber::Result Amber::ExecuteWithShaderData(const std::string& input,
const Options& opts,
const ShaderMap& shader_data) {
std::unique_ptr<Parser> parser;
std::unique_ptr<Executor> executor;
if (input.substr(0, 7) == "#!amber") {
parser = MakeUnique<amberscript::Parser>();
executor = MakeUnique<amberscript::Executor>();
} else {
parser = MakeUnique<vkscript::Parser>();
executor = MakeUnique<vkscript::Executor>();
}
Result r = parser->Parse(input);
if (!r.IsSuccess())
return r;
if (opts.parse_only)
return {};
auto engine = Engine::Create(opts.engine);
if (!engine)
return Result("Failed to create engine");
const auto* script = parser->GetScript();
if (opts.config) {
r = engine->InitializeWithConfig(opts.config.get(),
script->RequiredFeatures(),
script->RequiredExtensions());
} else {
r = engine->Initialize(script->RequiredFeatures(),
script->RequiredExtensions());
}
if (!r.IsSuccess())
return r;
r = executor->Execute(engine.get(), script, shader_data);
if (!r.IsSuccess())
return r;
return engine->Shutdown();
}
} // namespace amber
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