71 lines
2.5 KiB
C++
71 lines
2.5 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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// Consider this file an implementation detail. None of this is part of the
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// public API.
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#ifndef MEDIAPIPE_GPU_GL_TEXTURE_BUFFER_POOL_H_
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#define MEDIAPIPE_GPU_GL_TEXTURE_BUFFER_POOL_H_
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#include <utility>
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#include <vector>
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#include "absl/synchronization/mutex.h"
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#include "mediapipe/gpu/gl_texture_buffer.h"
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#include "mediapipe/gpu/multi_pool.h"
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#include "mediapipe/gpu/reusable_pool.h"
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namespace mediapipe {
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class GlTextureBufferPool : public ReusablePool<GlTextureBuffer> {
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public:
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// Creates a pool. This pool will manage buffers of the specified dimensions,
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// and will keep keep_count buffers around for reuse.
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// We enforce creation as a shared_ptr so that we can use a weak reference in
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// the buffers' deleters.
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static std::shared_ptr<GlTextureBufferPool> Create(int width, int height,
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GpuBufferFormat format,
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int keep_count) {
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return Create({width, height, format}, {.keep_count = keep_count});
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}
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static std::shared_ptr<GlTextureBufferPool> Create(
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const internal::GpuBufferSpec& spec, const MultiPoolOptions& options) {
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return std::shared_ptr<GlTextureBufferPool>(
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new GlTextureBufferPool(spec, options));
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}
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int width() const { return spec_.width; }
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int height() const { return spec_.height; }
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GpuBufferFormat format() const { return spec_.format; }
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static GlTextureBufferSharedPtr CreateBufferWithoutPool(
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const internal::GpuBufferSpec& spec) {
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return GlTextureBuffer::Create(spec);
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}
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protected:
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GlTextureBufferPool(const internal::GpuBufferSpec& spec,
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const MultiPoolOptions& options)
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: ReusablePool<GlTextureBuffer>(
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[this] { return GlTextureBuffer::Create(spec_); }, options),
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spec_(spec) {}
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const internal::GpuBufferSpec spec_;
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};
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} // namespace mediapipe
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#endif // MEDIAPIPE_GPU_GL_TEXTURE_BUFFER_POOL_H_
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