mediapipe/mediapipe/gpu/cv_texture_cache_manager.cc
Camillo Lugaresi ab2dd779e7 Factor out CvTextureCacheManager
This is a platform-specific component that is only used with CVPixelBufferPool.

PiperOrigin-RevId: 488781757
2022-11-15 16:02:53 -08:00

56 lines
1.8 KiB
C++

// 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.
#include "mediapipe/gpu/cv_texture_cache_manager.h"
#include "mediapipe/framework/port/logging.h"
namespace mediapipe {
void CvTextureCacheManager::FlushTextureCaches() {
absl::MutexLock lock(&mutex_);
for (const auto& cache : texture_caches_) {
#if TARGET_OS_OSX
CVOpenGLTextureCacheFlush(*cache, 0);
#else
CVOpenGLESTextureCacheFlush(*cache, 0);
#endif // TARGET_OS_OSX
}
}
void CvTextureCacheManager::RegisterTextureCache(CVTextureCacheType cache) {
absl::MutexLock lock(&mutex_);
CHECK(std::find(texture_caches_.begin(), texture_caches_.end(), cache) ==
texture_caches_.end())
<< "Attempting to register a texture cache twice";
texture_caches_.emplace_back(cache);
}
void CvTextureCacheManager::UnregisterTextureCache(CVTextureCacheType cache) {
absl::MutexLock lock(&mutex_);
auto it = std::find(texture_caches_.begin(), texture_caches_.end(), cache);
CHECK(it != texture_caches_.end())
<< "Attempting to unregister an unknown texture cache";
texture_caches_.erase(it);
}
CvTextureCacheManager::~CvTextureCacheManager() {
CHECK_EQ(texture_caches_.size(), 0)
<< "Failed to unregister texture caches before deleting manager";
}
} // namespace mediapipe