ed76e8109b
Change-Id: Id28ed827c4a896805c6d4eead339146fdd49e35f Reviewed-on: https://skia-review.googlesource.com/c/skia/+/359560 Reviewed-by: Mike Klein <mtklein@google.com> Commit-Queue: Brian Salomon <bsalomon@google.com>
42 lines
1.3 KiB
C++
42 lines
1.3 KiB
C++
/*
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* Copyright 2017 Google Inc.
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*
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* Use of this source code is governed by a BSD-style license that can be
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* found in the LICENSE file.
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*/
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#ifndef SkExecutor_DEFINED
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#define SkExecutor_DEFINED
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#include <functional>
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#include <memory>
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#include "include/core/SkTypes.h"
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class SK_API SkExecutor {
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public:
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virtual ~SkExecutor();
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// Create a thread pool SkExecutor with a fixed thread count, by default the number of cores.
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static std::unique_ptr<SkExecutor> MakeFIFOThreadPool(int threads = 0,
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bool allowBorrowing = true);
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static std::unique_ptr<SkExecutor> MakeLIFOThreadPool(int threads = 0,
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bool allowBorrowing = true);
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// There is always a default SkExecutor available by calling SkExecutor::GetDefault().
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static SkExecutor& GetDefault();
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static void SetDefault(SkExecutor*); // Does not take ownership. Not thread safe.
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// Add work to execute.
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virtual void add(std::function<void(void)>) = 0;
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// If it makes sense for this executor, use this thread to execute work for a little while.
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virtual void borrow() {}
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protected:
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SkExecutor() = default;
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SkExecutor(const SkExecutor&) = delete;
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SkExecutor& operator=(const SkExecutor&) = delete;
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};
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#endif//SkExecutor_DEFINED
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