| // 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 <Metal/Metal.h> |
| |
| #include "flutter/fml/macros.h" |
| #include "impeller/base/backend_cast.h" |
| #include "impeller/renderer/sampler.h" |
| |
| namespace impeller { |
| |
| class SamplerLibraryMTL; |
| |
| class SamplerMTL final : public Sampler, |
| public BackendCast<SamplerMTL, Sampler> { |
| public: |
| SamplerMTL(); |
| |
| // |Sampler| |
| ~SamplerMTL() override; |
| |
| id<MTLSamplerState> GetMTLSamplerState() const; |
| |
| private: |
| friend SamplerLibraryMTL; |
| |
| id<MTLSamplerState> state_ = nullptr; |
| |
| SamplerMTL(SamplerDescriptor desc, id<MTLSamplerState> state); |
| |
| // |Sampler| |
| bool IsValid() const override; |
| |
| FML_DISALLOW_COPY_AND_ASSIGN(SamplerMTL); |
| }; |
| |
| } // namespace impeller |