sampler_library_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.
 
#pragma once
 
#include "flutter/fml/macros.h"
#include "impeller/base/backend_cast.h"
#include "impeller/base/comparable.h"
#include "impeller/core/sampler_descriptor.h"
#include "impeller/renderer/backend/vulkan/device_holder.h"
#include "impeller/renderer/backend/vulkan/vk.h"
#include "impeller/renderer/sampler_library.h"
 
namespace impeller {
 
class SamplerLibraryVK final
    : public SamplerLibrary,
      public BackendCast<SamplerLibraryVK, SamplerLibrary> {
 public:
  // |SamplerLibrary|
  ~SamplerLibraryVK() override;
 
 private:
  friend class ContextVK;
 
  std::weak_ptr<DeviceHolder> device_holder_;
  SamplerMap samplers_;
 
  explicit SamplerLibraryVK(const std::weak_ptr<DeviceHolder>& device_holder);
 
  // |SamplerLibrary|
  std::shared_ptr<const Sampler> GetSampler(
      SamplerDescriptor descriptor) override;
 
  FML_DISALLOW_COPY_AND_ASSIGN(SamplerLibraryVK);
};
 
}  // namespace impeller