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// Copyright 2022 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "ui/gfx/android/achoreographer_compat.h"
#include <dlfcn.h>
#include "base/android/build_info.h"
#include "base/logging.h"
#define LOAD_FUNCTION(lib, func) \
do { \
func##Fn = reinterpret_cast<p##func>(dlsym(lib, #func)); \
if (!func##Fn) { \
supported = false; \
LOG(ERROR) << "Unable to load function " << #func; \
} \
} while (0)
namespace gfx {
// static
const AChoreographerCompat& AChoreographerCompat::Get() {
static AChoreographerCompat instance;
return instance;
}
AChoreographerCompat::AChoreographerCompat() {
void* main_dl_handle = dlopen("libandroid.so", RTLD_NOW);
if (!main_dl_handle) {
LOG(ERROR) << "Couldnt load libandroid.so";
supported = false;
return;
}
LOAD_FUNCTION(main_dl_handle, AChoreographer_getInstance);
LOAD_FUNCTION(main_dl_handle, AChoreographer_postFrameCallback64);
LOAD_FUNCTION(main_dl_handle, AChoreographer_registerRefreshRateCallback);
LOAD_FUNCTION(main_dl_handle, AChoreographer_unregisterRefreshRateCallback);
}
// static
const AChoreographerCompat33& AChoreographerCompat33::Get() {
static AChoreographerCompat33 instance;
return instance;
}
AChoreographerCompat33::AChoreographerCompat33() {
if (base::android::BuildInfo::GetInstance()->sdk_int() <
base::android::SDK_VERSION_T) {
supported = false;
return;
}
void* main_dl_handle = dlopen("libandroid.so", RTLD_NOW);
if (!main_dl_handle) {
LOG(ERROR) << "Couldnt load libandroid.so";
supported = false;
return;
}
LOAD_FUNCTION(main_dl_handle, AChoreographer_postVsyncCallback);
LOAD_FUNCTION(main_dl_handle,
AChoreographerFrameCallbackData_getFrameTimeNanos);
LOAD_FUNCTION(main_dl_handle,
AChoreographerFrameCallbackData_getFrameTimelinesLength);
LOAD_FUNCTION(main_dl_handle,
AChoreographerFrameCallbackData_getPreferredFrameTimelineIndex);
LOAD_FUNCTION(main_dl_handle,
AChoreographerFrameCallbackData_getFrameTimelineVsyncId);
LOAD_FUNCTION(
main_dl_handle,
AChoreographerFrameCallbackData_getFrameTimelineExpectedPresentationTimeNanos);
LOAD_FUNCTION(main_dl_handle,
AChoreographerFrameCallbackData_getFrameTimelineDeadlineNanos);
}
} // namespace gfx
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