compute_pipeline_vk.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_VULKAN_COMPUTE_PIPELINE_VK_H_
#define FLUTTER_IMPELLER_RENDERER_BACKEND_VULKAN_COMPUTE_PIPELINE_VK_H_
 
#include <memory>
 
#include "impeller/base/backend_cast.h"
#include "impeller/renderer/backend/vulkan/device_holder_vk.h"
#include "impeller/renderer/backend/vulkan/vk.h"
#include "impeller/renderer/pipeline.h"
 
namespace impeller {
 
class ComputePipelineVK final
    : public Pipeline<ComputePipelineDescriptor>,
      public BackendCast<ComputePipelineVK,
                         Pipeline<ComputePipelineDescriptor>> {
 public:
  ComputePipelineVK(std::weak_ptr<DeviceHolderVK> device_holder,
                    std::weak_ptr<PipelineLibrary> library,
                    const ComputePipelineDescriptor& desc,
                    vk::UniquePipeline pipeline,
                    vk::UniquePipelineLayout layout,
                    vk::UniqueDescriptorSetLayout descriptor_set_layout,
                    PipelineKey pipeline_key);
 
  // |Pipeline|
  ~ComputePipelineVK() override;
 
  const vk::Pipeline& GetPipeline() const;
 
  const vk::PipelineLayout& GetPipelineLayout() const;
 
  const vk::DescriptorSetLayout& GetDescriptorSetLayout() const;
 
  /// @brief Retrieve the unique identifier for this pipeline's descriptor set
  ///        layout.
  PipelineKey GetPipelineKey() const;
 
 private:
  friend class PipelineLibraryVK;
 
  std::weak_ptr<DeviceHolderVK> device_holder_;
  vk::UniquePipeline pipeline_;
  vk::UniquePipelineLayout layout_;
  vk::UniqueDescriptorSetLayout descriptor_set_layout_;
  const PipelineKey pipeline_key_;
  bool is_valid_ = false;
 
  // |Pipeline|
  bool IsValid() const override;
 
  ComputePipelineVK(const ComputePipelineVK&) = delete;
 
  ComputePipelineVK& operator=(const ComputePipelineVK&) = delete;
};
 
}  // namespace impeller
 
#endif  // FLUTTER_IMPELLER_RENDERER_BACKEND_VULKAN_COMPUTE_PIPELINE_VK_H_