pipeline_library.cc

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// Copyright 2013 The Flutter Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
 
#include "impeller/renderer/pipeline_library.h"
 
namespace impeller {
 
PipelineLibrary::PipelineLibrary() = default;
 
PipelineLibrary::~PipelineLibrary() = default;
 
PipelineFuture<PipelineDescriptor> PipelineLibrary::GetPipeline(
    std::optional<PipelineDescriptor> descriptor) {
  if (descriptor.has_value()) {
    return GetPipeline(descriptor.value());
  }
  auto promise = std::make_shared<
      std::promise<std::shared_ptr<Pipeline<PipelineDescriptor>>>>();
  promise->set_value(nullptr);
  return {descriptor, promise->get_future()};
}
 
PipelineFuture<ComputePipelineDescriptor> PipelineLibrary::GetPipeline(
    std::optional<ComputePipelineDescriptor> descriptor) {
  if (descriptor.has_value()) {
    return GetPipeline(descriptor.value());
  }
  auto promise = std::make_shared<
      std::promise<std::shared_ptr<Pipeline<ComputePipelineDescriptor>>>>();
  promise->set_value(nullptr);
  return {descriptor, promise->get_future()};
}
 
}  // namespace impeller