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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_SAMPLER_LIBRARY_MTL_H_
#define FLUTTER_IMPELLER_RENDERER_BACKEND_METAL_SAMPLER_LIBRARY_MTL_H_
#include <Metal/Metal.h>
#include <memory>
#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/sampler_library.h"
namespace impeller {
class SamplerLibraryMTL final
: public SamplerLibrary,
public BackendCast<SamplerLibraryMTL, SamplerLibrary> {
public:
// |SamplerLibrary|
~SamplerLibraryMTL() override;
private:
friend class ContextMTL;
id<MTLDevice> device_ = nullptr;
SamplerMap samplers_;
explicit SamplerLibraryMTL(id<MTLDevice> device);
// |SamplerLibrary|
const std::unique_ptr<const Sampler>& GetSampler(
SamplerDescriptor descriptor) override;
SamplerLibraryMTL(const SamplerLibraryMTL&) = delete;
SamplerLibraryMTL& operator=(const SamplerLibraryMTL&) = delete;
};
} // namespace impeller
#endif // FLUTTER_IMPELLER_RENDERER_BACKEND_METAL_SAMPLER_LIBRARY_MTL_H_