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65 lines
2.4 KiB
65 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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