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64 lines
2.4 KiB
64 lines
2.4 KiB
/* |
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* Copyright (c) 2017, The Linux Foundation. All rights reserved. |
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* |
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* Redistribution and use in source and binary forms, with or without |
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* modification, are permitted provided that the following conditions are |
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* met: |
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* * Redistributions of source code must retain the above copyright |
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* notice, this list of conditions and the following disclaimer. |
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* * Redistributions in binary form must reproduce the above |
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* copyright notice, this list of conditions and the following |
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* disclaimer in the documentation and/or other materials provided |
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* with the distribution. |
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* * Neither the name of The Linux Foundation nor the names of its |
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* contributors may be used to endorse or promote products derived |
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* from this software without specific prior written permission. |
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* |
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* THIS SOFTWARE IS PROVIDED "AS IS" AND ANY EXPRESS OR IMPLIED |
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* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF |
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT |
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* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS |
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* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR |
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF |
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR |
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* BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, |
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* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE |
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* OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN |
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* IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
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*/ |
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#ifndef __DRM_LIB_LOADER_H__ |
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#define __DRM_LIB_LOADER_H__ |
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#include <drm_interface.h> |
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#include <mutex> |
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namespace drm_utils { |
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class DRMLibLoader { |
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public: |
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~DRMLibLoader(); |
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bool IsLoaded() { return is_loaded_; } |
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sde_drm::GetDRMManager FuncGetDRMManager() { return func_get_drm_manager_; } |
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sde_drm::DestroyDRMManager FuncDestroyDRMManager() { return func_destroy_drm_manager_; } |
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static DRMLibLoader *GetInstance(); |
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static void Destroy(); |
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private: |
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DRMLibLoader(); |
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bool Open(const char *lib_name); |
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bool Sym(const char *func_name, void **func_ptr); |
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void *lib_ = {}; |
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sde_drm::GetDRMManager func_get_drm_manager_ = {}; |
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sde_drm::DestroyDRMManager func_destroy_drm_manager_ = {}; |
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bool is_loaded_ = false; |
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static DRMLibLoader *s_instance; // Singleton instance |
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static std::mutex s_lock; |
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}; |
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} // namespace drm_utils |
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#endif // __DRM_LIB_LOADER_H__
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