mediapipe/mediapipe/gpu/cv_texture_cache_manager.h

50 lines
1.5 KiB
C
Raw Normal View History

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