b768004454
- Add interface to set content fps on a display CRs-Fixed: 2681693 Change-Id: Ic05459e91c84197490e978aa8c65af2f6a2b496e
101 lines
3.6 KiB
C++
101 lines
3.6 KiB
C++
/*
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* Copyright (c) 2019-2020, 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 __COMPOSER_EXTN_INTF_H__
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#define __COMPOSER_EXTN_INTF_H__
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#include <dlfcn.h>
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#include "frame_scheduler_intf.h"
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#include "display_extn_intf.h"
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#define COMPOSER_EXTN_REV_MAJOR (1)
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#define COMPOSER_EXTN_REV_MINOR (0)
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#define COMPOSER_EXTN_VERSION_TAG ((uint16_t) ((COMPOSER_EXTN_REV_MAJOR << 8) \
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| COMPOSER_EXTN_REV_MINOR))
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namespace composer {
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class ComposerExtnIntf {
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public:
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virtual int CreateFrameScheduler(FrameSchedulerIntf **intf) = 0;
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virtual void DestroyFrameScheduler(FrameSchedulerIntf *intf) = 0;
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virtual int CreateDisplayExtn(DisplayExtnIntf **intf) = 0;
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virtual void DestroyDisplayExtn(DisplayExtnIntf *intf) = 0;
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protected:
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virtual ~ComposerExtnIntf() { }
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};
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class ComposerExtnLib {
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public:
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static ComposerExtnIntf * GetInstance() {
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return g_composer_ext_lib_.composer_ext_intf_;
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}
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private:
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const char *lib_name = "libcomposerextn.qti.so";
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typedef int (*CreateComposerExtn)(uint16_t version, ComposerExtnIntf **intf);
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typedef void (*DestroyComposerExtn)(ComposerExtnIntf *intf);
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ComposerExtnLib() {
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lib_obj_ = ::dlopen(lib_name, RTLD_NOW);
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if (!lib_obj_) {
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return;
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}
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create_composer_ext_fn_ = reinterpret_cast<CreateComposerExtn>(
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::dlsym(lib_obj_, "CreateComposerExtn"));
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destroy_composer_ext_fn_ = reinterpret_cast<DestroyComposerExtn>(
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::dlsym(lib_obj_, "DestroyComposerExtn"));
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if (create_composer_ext_fn_ && destroy_composer_ext_fn_) {
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create_composer_ext_fn_(COMPOSER_EXTN_VERSION_TAG, &composer_ext_intf_);
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}
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}
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~ComposerExtnLib() {
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if (composer_ext_intf_) {
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destroy_composer_ext_fn_(composer_ext_intf_);
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}
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if (lib_obj_) {
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::dlclose(lib_obj_);
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}
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}
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static ComposerExtnLib g_composer_ext_lib_;
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void *lib_obj_ = nullptr;
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CreateComposerExtn create_composer_ext_fn_ = nullptr;
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DestroyComposerExtn destroy_composer_ext_fn_ = nullptr;
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ComposerExtnIntf *composer_ext_intf_ = nullptr;
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};
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} // namespace composer
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#endif // __COMPOSER_EXTN_INTF_H__
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