sampler_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/core/sampler.h"
#include "impeller/renderer/backend/vulkan/shared_object_vk.h"
#include "impeller/renderer/backend/vulkan/vk.h"
 
namespace impeller {
 
class SamplerLibraryVK;
 
class SamplerVK final : public Sampler, public BackendCast<SamplerVK, Sampler> {
 public:
  SamplerVK(SamplerDescriptor desc, vk::UniqueSampler sampler);
 
  // |Sampler|
  ~SamplerVK() override;
 
  vk::Sampler GetSampler() const;
 
  const std::shared_ptr<SharedObjectVKT<vk::Sampler>>& GetSharedSampler() const;
 
 private:
  friend SamplerLibraryVK;
 
  std::shared_ptr<SharedObjectVKT<vk::Sampler>> sampler_;
  bool is_valid_ = false;
 
  // |Sampler|
  bool IsValid() const override;
 
  FML_DISALLOW_COPY_AND_ASSIGN(SamplerVK);
};
 
}  // namespace impeller