pipeline_library_mtl.h

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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.
 
#ifndef FLUTTER_IMPELLER_RENDERER_BACKEND_METAL_PIPELINE_LIBRARY_MTL_H_
#define FLUTTER_IMPELLER_RENDERER_BACKEND_METAL_PIPELINE_LIBRARY_MTL_H_
 
#include <Metal/Metal.h>
 
#include "impeller/renderer/pipeline_library.h"
 
namespace impeller {
 
class ContextMTL;
 
class PipelineLibraryMTL final : public PipelineLibrary {
 public:
  PipelineLibraryMTL();
 
  // |PipelineLibrary|
  ~PipelineLibraryMTL() override;
 
 private:
  friend ContextMTL;
 
  id<MTLDevice> device_ = nullptr;
  PipelineMap pipelines_;
  ComputePipelineMap compute_pipelines_;
 
  explicit PipelineLibraryMTL(id<MTLDevice> device);
 
  // |PipelineLibrary|
  bool IsValid() const override;
 
  // |PipelineLibrary|
  PipelineFuture<PipelineDescriptor> GetPipeline(PipelineDescriptor descriptor,
                                                 bool async,
                                                 bool threadsafe) override;
 
  // |PipelineLibrary|
  PipelineFuture<ComputePipelineDescriptor> GetPipeline(
      ComputePipelineDescriptor descriptor,
      bool async) override;
 
  // |PipelineLibrary|
  bool HasPipeline(const PipelineDescriptor& descriptor) override;
 
  // |PipelineLibrary|
  void RemovePipelinesWithEntryPoint(
      std::shared_ptr<const ShaderFunction> function) override;
 
  PipelineLibraryMTL(const PipelineLibraryMTL&) = delete;
 
  PipelineLibraryMTL& operator=(const PipelineLibraryMTL&) = delete;
};
 
}  // namespace impeller
 
#endif  // FLUTTER_IMPELLER_RENDERER_BACKEND_METAL_PIPELINE_LIBRARY_MTL_H_