267476657d
Passing MultiPool options to the base pool factories means that we don't have to specialize which options we pass to them. PiperOrigin-RevId: 488782861
72 lines
2.6 KiB
C++
72 lines
2.6 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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#include "mediapipe/gpu/gpu_buffer_multi_pool.h"
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#include <tuple>
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#include "absl/memory/memory.h"
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#include "absl/synchronization/mutex.h"
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#include "mediapipe/framework/port/logging.h"
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#include "mediapipe/gpu/gpu_shared_data_internal.h"
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namespace mediapipe {
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std::shared_ptr<GpuBufferMultiPool::SimplePool>
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GpuBufferMultiPool::MakeSimplePool(const GpuBufferMultiPool::BufferSpec& spec,
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const MultiPoolOptions& options) {
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#if MEDIAPIPE_GPU_BUFFER_USE_CV_PIXEL_BUFFER
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return CvPixelBufferPoolWrapper::Create(spec.width, spec.height, spec.format,
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options, flush_platform_caches_);
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#else
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return GlTextureBufferPool::Create(spec.width, spec.height, spec.format,
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options);
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#endif // MEDIAPIPE_GPU_BUFFER_USE_CV_PIXEL_BUFFER
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}
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std::shared_ptr<GpuBufferMultiPool::SimplePool> GpuBufferMultiPool::RequestPool(
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const BufferSpec& spec) {
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std::shared_ptr<SimplePool> pool;
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std::vector<std::shared_ptr<SimplePool>> evicted;
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{
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absl::MutexLock lock(&mutex_);
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pool =
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cache_.Lookup(spec, [this](const BufferSpec& spec, int request_count) {
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return (request_count >= options_.min_requests_before_pool)
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? MakeSimplePool(spec, options_)
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: nullptr;
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});
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evicted = cache_.Evict(options_.max_pool_count,
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options_.request_count_scrub_interval);
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}
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// Evicted pools, and their buffers, will be released without holding the
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// lock.
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return pool;
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}
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GpuBuffer GpuBufferMultiPool::GetBuffer(int width, int height,
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GpuBufferFormat format) {
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BufferSpec key(width, height, format);
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std::shared_ptr<SimplePool> pool = RequestPool(key);
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if (pool) {
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// Note: we release our multipool lock before accessing the simple pool.
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return GpuBuffer(pool->GetBuffer());
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} else {
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return GpuBuffer(
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SimplePool::CreateBufferWithoutPool(width, height, format));
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}
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}
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} // namespace mediapipe
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