67 lines
1.8 KiB
Objective-C
67 lines
1.8 KiB
Objective-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_GL_CONTEXT_INTERNAL_H_
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#define MEDIAPIPE_GPU_GL_CONTEXT_INTERNAL_H_
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#include "absl/synchronization/mutex.h"
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#ifdef __APPLE__
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#if TARGET_OS_OSX
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#import <AppKit/NSOpenGL.h>
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#else
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#import <OpenGLES/EAGL.h>
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#endif // TARGET_OS_OSX
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#endif // __APPLE__
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#include "mediapipe/gpu/gl_context.h"
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namespace mediapipe {
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class GlContext::DedicatedThread {
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public:
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DedicatedThread();
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~DedicatedThread();
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DedicatedThread(const DedicatedThread&) = delete;
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DedicatedThread& operator=(DedicatedThread) = delete;
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absl::Status Run(GlStatusFunction gl_func);
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void RunWithoutWaiting(GlVoidFunction gl_func);
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bool IsCurrentThread();
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void SelfDestruct();
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private:
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static void* ThreadBody(void* instance);
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void ThreadBody();
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using Job = std::function<void(void)>;
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Job GetJob();
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void PutJob(Job job);
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absl::Mutex mutex_;
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// Used to wait for a job's completion.
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absl::CondVar gl_job_done_cv_ ABSL_GUARDED_BY(mutex_);
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pthread_t gl_thread_id_;
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std::deque<Job> jobs_ ABSL_GUARDED_BY(mutex_);
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absl::CondVar has_jobs_cv_ ABSL_GUARDED_BY(mutex_);
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bool self_destruct_ = false;
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};
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} // namespace mediapipe
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#endif // MEDIAPIPE_GPU_GL_CONTEXT_INTERNAL_H_
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