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/*
* Copyright (C) 2022 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#include "HardwareBufferHelpers.h"
#ifdef __ANDROID__
#include <dlfcn.h>
#endif
#include <log/log.h>
#ifdef __ANDROID__
typedef AHardwareBuffer* (*AHB_from_HB)(JNIEnv*, jobject);
typedef jobject (*AHB_to_HB)(JNIEnv*, AHardwareBuffer*);
static AHB_from_HB fromHardwareBuffer = nullptr;
static AHB_to_HB toHardwareBuffer = nullptr;
#endif
void android::uirenderer::HardwareBufferHelpers::init() {
#ifdef __ANDROID__ // Layoutlib does not support graphic buffer or parcel
void* handle_ = dlopen("libandroid.so", RTLD_NOW | RTLD_NODELETE);
fromHardwareBuffer = (AHB_from_HB)dlsym(handle_, "AHardwareBuffer_fromHardwareBuffer");
LOG_ALWAYS_FATAL_IF(fromHardwareBuffer == nullptr,
"Failed to find required symbol AHardwareBuffer_fromHardwareBuffer!");
toHardwareBuffer = (AHB_to_HB)dlsym(handle_, "AHardwareBuffer_toHardwareBuffer");
LOG_ALWAYS_FATAL_IF(toHardwareBuffer == nullptr,
" Failed to find required symbol AHardwareBuffer_toHardwareBuffer!");
#endif
}
AHardwareBuffer* android::uirenderer::HardwareBufferHelpers::AHardwareBuffer_fromHardwareBuffer(
JNIEnv* env, jobject hardwarebuffer) {
#ifdef __ANDROID__
LOG_ALWAYS_FATAL_IF(fromHardwareBuffer == nullptr,
"Failed to find symbol AHardwareBuffer_fromHardwareBuffer, did you forget "
"to call HardwareBufferHelpers::init?");
return fromHardwareBuffer(env, hardwarebuffer);
#else
ALOGE("ERROR attempting to invoke AHardwareBuffer_fromHardwareBuffer on non Android "
"configuration");
return nullptr;
#endif
}
jobject android::uirenderer::HardwareBufferHelpers::AHardwareBuffer_toHardwareBuffer(
JNIEnv* env, AHardwareBuffer* ahardwarebuffer) {
#ifdef __ANDROID__
LOG_ALWAYS_FATAL_IF(toHardwareBuffer == nullptr,
"Failed to find symbol AHardwareBuffer_toHardwareBuffer, did you forget to "
"call HardwareBufferHelpers::init?");
return toHardwareBuffer(env, ahardwarebuffer);
#else
ALOGE("ERROR attempting to invoke AHardwareBuffer_toHardwareBuffer on non Android "
"configuration");
return nullptr;
#endif
}
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