LineageOS/android_vendor_qcom_opensource_display-commonsys-intf
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display: Add frame scheduler interface

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- Add frame scheduler interface.
- Add version for composer extension interface.

Change-Id: Ic00d30a8fffc8d73888c4e1bc82312920f2bb284
This commit is contained in:
Dileep Marchya
2019-11-15 19:49:17 +05:30
parent ee4b607c12
commit e0138f512a
2 changed files with 64 additions and 11 deletions
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31
include/composer_extn_intf.h
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@@ -31,10 +31,19 @@
#define __COMPOSER_EXTN_INTF_H__ #define __COMPOSER_EXTN_INTF_H__
#include <dlfcn.h> #include <dlfcn.h>
#include "frame_scheduler_intf.h"
#define COMPOSER_EXTN_REV_MAJOR (1)
#define COMPOSER_EXTN_REV_MINOR (0)
#define COMPOSER_EXTN_VERSION_TAG ((uint16_t) ((COMPOSER_EXTN_REV_MAJOR << 8) \
| COMPOSER_EXTN_REV_MINOR))
namespace composer { namespace composer {
class ComposerExtnIntf { class ComposerExtnIntf {
public:
virtual int CreateFrameScheduler(FrameSchedulerIntf **intf) = 0;
virtual void DestroyFrameScheduler(FrameSchedulerIntf *intf) = 0;
protected: protected:
virtual ~ComposerExtnIntf() { } virtual ~ComposerExtnIntf() { }
}; };
@@ -48,8 +57,8 @@ class ComposerExtnLib {
private: private:
const char *lib_name = "libcomposerextn.qti.so"; const char *lib_name = "libcomposerextn.qti.so";
typedef int (*CreateComposerExtnIntf)(ComposerExtnIntf **intf); typedef int (*CreateComposerExtn)(uint16_t version, ComposerExtnIntf **intf);
typedef void (*DestroyComposerExtnIntf)(ComposerExtnIntf *intf); typedef void (*DestroyComposerExtn)(ComposerExtnIntf *intf);
ComposerExtnLib() { ComposerExtnLib() {
lib_obj_ = ::dlopen(lib_name, RTLD_NOW); lib_obj_ = ::dlopen(lib_name, RTLD_NOW);
@@ -57,18 +66,18 @@ class ComposerExtnLib {
return; return;
} }
create_composer_ext_intf_ = reinterpret_cast<CreateComposerExtnIntf>( create_composer_ext_fn_ = reinterpret_cast<CreateComposerExtn>(
::dlsym(lib_obj_, "CreateComposerExtnIntf")); ::dlsym(lib_obj_, "CreateComposerExtn"));
destroy_composer_ext_intf_ = reinterpret_cast<DestroyComposerExtnIntf>( destroy_composer_ext_fn_ = reinterpret_cast<DestroyComposerExtn>(
::dlsym(lib_obj_, "DestroyComposerExtnIntf")); ::dlsym(lib_obj_, "DestroyComposerExtn"));
if (create_composer_ext_intf_ && destroy_composer_ext_intf_) { if (create_composer_ext_fn_ && destroy_composer_ext_fn_) {
create_composer_ext_intf_(&composer_ext_intf_); create_composer_ext_fn_(COMPOSER_EXTN_VERSION_TAG, &composer_ext_intf_);
} }
} }
~ComposerExtnLib() { ~ComposerExtnLib() {
if (composer_ext_intf_) { if (composer_ext_intf_) {
destroy_composer_ext_intf_(composer_ext_intf_); destroy_composer_ext_fn_(composer_ext_intf_);
} }
if (lib_obj_) { if (lib_obj_) {
@@ -78,8 +87,8 @@ class ComposerExtnLib {
static ComposerExtnLib g_composer_ext_lib_; static ComposerExtnLib g_composer_ext_lib_;
void *lib_obj_ = nullptr; void *lib_obj_ = nullptr;
CreateComposerExtnIntf create_composer_ext_intf_ = nullptr; CreateComposerExtn create_composer_ext_fn_ = nullptr;
DestroyComposerExtnIntf destroy_composer_ext_intf_ = nullptr; DestroyComposerExtn destroy_composer_ext_fn_ = nullptr;
ComposerExtnIntf *composer_ext_intf_ = nullptr; ComposerExtnIntf *composer_ext_intf_ = nullptr;
}; };

44
include/frame_scheduler_intf.h Normal file
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@@ -0,0 +1,44 @@
/*
* Copyright (c) 2019, The Linux Foundation. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are
* met:
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above
* copyright notice, this list of conditions and the following
* disclaimer in the documentation and/or other materials provided
* with the distribution.
* * Neither the name of The Linux Foundation nor the names of its
* contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED "AS IS" AND ANY EXPRESS OR IMPLIED
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS
* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
* BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
* OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
* IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef __FRAME_SCHEDULER_INTF_H__
#define __FRAME_SCHEDULER_INTF_H__
namespace composer {
class FrameSchedulerIntf {
public:
virtual int UpdateFrame() = 0;
protected:
virtual ~FrameSchedulerIntf() { }
};
} // namespace composer
#endif // __FRAME_SCHEDULER_INTF_H__