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/*
* Copyright (C) 2012 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 "jni_egl_fence.h"
#include <cutils/log.h>
#include <EGL/egl.h>
#include <EGL/eglext.h>
void
Java_com_android_gallery3d_photoeditor_FilterStack_nativeEglSetFenceAndWait(JNIEnv* env,
jobject thiz) {
EGLDisplay display = eglGetCurrentDisplay();
// Create a egl fence and wait for egl to return it.
// Additional reference on egl fence sync can be found in:
// http://www.khronos.org/registry/vg/extensions/KHR/EGL_KHR_fence_sync.txt
EGLSyncKHR fence = eglCreateSyncKHR(display, EGL_SYNC_FENCE_KHR, NULL);
if (fence == EGL_NO_SYNC_KHR) {
return;
}
EGLint result = eglClientWaitSyncKHR(display,
fence,
EGL_SYNC_FLUSH_COMMANDS_BIT_KHR,
EGL_FOREVER_KHR);
if (result == EGL_FALSE) {
ALOGE("EGL FENCE: error waiting for fence: %#x", eglGetError());
}
eglDestroySyncKHR(display, fence);
}
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