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__
#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 {
class ComposerExtnIntf {
public:
virtual int CreateFrameScheduler(FrameSchedulerIntf **intf) = 0;
virtual void DestroyFrameScheduler(FrameSchedulerIntf *intf) = 0;
protected:
virtual ~ComposerExtnIntf() { }
};
@@ -48,8 +57,8 @@ class ComposerExtnLib {
private:
const char *lib_name = "libcomposerextn.qti.so";
typedef int (*CreateComposerExtnIntf)(ComposerExtnIntf **intf);
typedef void (*DestroyComposerExtnIntf)(ComposerExtnIntf *intf);
typedef int (*CreateComposerExtn)(uint16_t version, ComposerExtnIntf **intf);
typedef void (*DestroyComposerExtn)(ComposerExtnIntf *intf);
ComposerExtnLib() {
lib_obj_ = ::dlopen(lib_name, RTLD_NOW);
@@ -57,18 +66,18 @@ class ComposerExtnLib {
return;
}
create_composer_ext_intf_ = reinterpret_cast<CreateComposerExtnIntf>(
::dlsym(lib_obj_, "CreateComposerExtnIntf"));
destroy_composer_ext_intf_ = reinterpret_cast<DestroyComposerExtnIntf>(
::dlsym(lib_obj_, "DestroyComposerExtnIntf"));
if (create_composer_ext_intf_ && destroy_composer_ext_intf_) {
create_composer_ext_intf_(&composer_ext_intf_);
create_composer_ext_fn_ = reinterpret_cast<CreateComposerExtn>(
::dlsym(lib_obj_, "CreateComposerExtn"));
destroy_composer_ext_fn_ = reinterpret_cast<DestroyComposerExtn>(
::dlsym(lib_obj_, "DestroyComposerExtn"));
if (create_composer_ext_fn_ && destroy_composer_ext_fn_) {
create_composer_ext_fn_(COMPOSER_EXTN_VERSION_TAG, &composer_ext_intf_);
}
}
~ComposerExtnLib() {
if (composer_ext_intf_) {
destroy_composer_ext_intf_(composer_ext_intf_);
destroy_composer_ext_fn_(composer_ext_intf_);
}
if (lib_obj_) {
@@ -78,8 +87,8 @@ class ComposerExtnLib {
static ComposerExtnLib g_composer_ext_lib_;
void *lib_obj_ = nullptr;
CreateComposerExtnIntf create_composer_ext_intf_ = nullptr;
DestroyComposerExtnIntf destroy_composer_ext_intf_ = nullptr;
CreateComposerExtn create_composer_ext_fn_ = nullptr;
DestroyComposerExtn destroy_composer_ext_fn_ = nullptr;
ComposerExtnIntf *composer_ext_intf_ = nullptr;
};