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49 lines
1.4 KiB
49 lines
1.4 KiB
/* |
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* Copyright (C) 2011 The Android Open Source Project |
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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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*/ |
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#ifndef ANDROID_RS_FIFO_H |
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#define ANDROID_RS_FIFO_H |
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#include "rsUtils.h" |
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namespace android { |
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namespace renderscript { |
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// A simple FIFO to be used as a producer / consumer between two |
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// threads. One is writer and one is reader. The common cases |
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// will not require locking. It is not threadsafe for multiple |
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// readers or writers by design. |
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class Fifo { |
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protected: |
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Fifo(); |
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virtual ~Fifo(); |
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public: |
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bool virtual writeAsync(const void *data, size_t bytes, bool waitForSpace = true) = 0; |
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void virtual writeWaitReturn(void *ret, size_t retSize) = 0; |
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size_t virtual read(void *data, size_t bytes, bool doWait = true, uint64_t timeToWait = 0) = 0; |
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void virtual readReturn(const void *data, size_t bytes) = 0; |
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void virtual flush() = 0; |
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}; |
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} // namespace renderscript |
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} // namespace android |
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#endif
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