ab2dd779e7
This is a platform-specific component that is only used with CVPixelBufferPool. PiperOrigin-RevId: 488781757
50 lines
1.5 KiB
C++
50 lines
1.5 KiB
C++
// Copyright 2019 The MediaPipe Authors.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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#ifndef MEDIAPIPE_GPU_CV_TEXTURE_CACHE_MANAGER_H_
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#define MEDIAPIPE_GPU_CV_TEXTURE_CACHE_MANAGER_H_
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#include <vector>
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#include "absl/synchronization/mutex.h"
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#include "mediapipe/gpu/pixel_buffer_pool_util.h"
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#include "mediapipe/objc/CFHolder.h"
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namespace mediapipe {
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class CvTextureCacheManager {
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public:
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~CvTextureCacheManager();
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// TODO: add tests for the texture cache registration.
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// Inform the pool of a cache that should be flushed when it is low on
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// reusable buffers.
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void RegisterTextureCache(CVTextureCacheType cache);
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// Remove a texture cache from the list of caches to be flushed.
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void UnregisterTextureCache(CVTextureCacheType cache);
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void FlushTextureCaches();
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private:
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absl::Mutex mutex_;
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std::vector<CFHolder<CVTextureCacheType>> texture_caches_
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ABSL_GUARDED_BY(mutex_);
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};
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} // namespace mediapipe
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#endif // MEDIAPIPE_GPU_CV_TEXTURE_CACHE_MANAGER_H_
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