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60 lines
1.8 KiB
60 lines
1.8 KiB
/* |
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* Copyright (C) 2008 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 GR_H_ |
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#define GR_H_ |
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#include <stdint.h> |
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#include <sys/user.h> |
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#include <limits.h> |
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#include <sys/cdefs.h> |
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#include <hardware/gralloc.h> |
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#include <pthread.h> |
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#include <errno.h> |
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#include <cutils/native_handle.h> |
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/*****************************************************************************/ |
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struct private_module_t; |
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struct private_handle_t; |
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inline size_t roundUpToPageSize(size_t x) { |
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return (x + (PAGE_SIZE-1)) & ~(PAGE_SIZE-1); |
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} |
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int mapFrameBufferLocked(struct private_module_t* module); |
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int terminateBuffer(gralloc_module_t const* module, private_handle_t* hnd); |
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int mapBuffer(gralloc_module_t const* module, private_handle_t* hnd); |
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/*****************************************************************************/ |
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class Locker { |
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pthread_mutex_t mutex; |
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public: |
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class Autolock { |
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Locker& locker; |
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public: |
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inline explicit Autolock(Locker& locker) : locker(locker) { locker.lock(); } |
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inline ~Autolock() { locker.unlock(); } |
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}; |
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inline Locker() { pthread_mutex_init(&mutex, 0); } |
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inline ~Locker() { pthread_mutex_destroy(&mutex); } |
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inline void lock() { pthread_mutex_lock(&mutex); } |
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inline void unlock() { pthread_mutex_unlock(&mutex); } |
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}; |
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#endif /* GR_H_ */
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