You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
79 lines
3.1 KiB
79 lines
3.1 KiB
/*
|
|
* 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 <android/log.h>
|
|
#include <EGL/egl.h>
|
|
#include <EGL/eglext.h>
|
|
#include <string.h>
|
|
|
|
#define ALOGE(...) __android_log_print(ANDROID_LOG_ERROR,"egl_fence",__VA_ARGS__)
|
|
|
|
typedef EGLSyncKHR EGLAPIENTRY (*TypeEglCreateSyncKHR)(EGLDisplay dpy,
|
|
EGLenum type, const EGLint *attrib_list);
|
|
typedef EGLBoolean EGLAPIENTRY (*TypeEglDestroySyncKHR)(EGLDisplay dpy,
|
|
EGLSyncKHR sync);
|
|
typedef EGLint EGLAPIENTRY (*TypeEglClientWaitSyncKHR)(EGLDisplay dpy,
|
|
EGLSyncKHR sync, EGLint flags, EGLTimeKHR timeout);
|
|
static TypeEglCreateSyncKHR FuncEglCreateSyncKHR = NULL;
|
|
static TypeEglClientWaitSyncKHR FuncEglClientWaitSyncKHR = NULL;
|
|
static TypeEglDestroySyncKHR FuncEglDestroySyncKHR = NULL;
|
|
static bool initialized = false;
|
|
static bool egl_khr_fence_sync_supported = false;
|
|
|
|
bool IsEglKHRFenceSyncSupported() {
|
|
if (!initialized) {
|
|
EGLDisplay display = eglGetCurrentDisplay();
|
|
const char* eglExtensions = eglQueryString(display, EGL_EXTENSIONS);
|
|
if (eglExtensions && strstr(eglExtensions, "EGL_KHR_fence_sync")) {
|
|
FuncEglCreateSyncKHR = (TypeEglCreateSyncKHR) eglGetProcAddress("eglCreateSyncKHR");
|
|
FuncEglClientWaitSyncKHR = (TypeEglClientWaitSyncKHR) eglGetProcAddress("eglClientWaitSyncKHR");
|
|
FuncEglDestroySyncKHR = (TypeEglDestroySyncKHR) eglGetProcAddress("eglDestroySyncKHR");
|
|
if (FuncEglCreateSyncKHR != NULL && FuncEglClientWaitSyncKHR != NULL
|
|
&& FuncEglDestroySyncKHR != NULL) {
|
|
egl_khr_fence_sync_supported = true;
|
|
}
|
|
}
|
|
initialized = true;
|
|
}
|
|
return egl_khr_fence_sync_supported;
|
|
}
|
|
|
|
void
|
|
Java_com_android_gallery3d_photoeditor_FilterStack_nativeEglSetFenceAndWait(
|
|
JNIEnv* env __unused, jobject thiz __unused) {
|
|
if (!IsEglKHRFenceSyncSupported()) return;
|
|
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 = FuncEglCreateSyncKHR(display, EGL_SYNC_FENCE_KHR, NULL);
|
|
if (fence == EGL_NO_SYNC_KHR) {
|
|
return;
|
|
}
|
|
|
|
EGLint result = FuncEglClientWaitSyncKHR(display,
|
|
fence,
|
|
EGL_SYNC_FLUSH_COMMANDS_BIT_KHR,
|
|
EGL_FOREVER_KHR);
|
|
if (result == EGL_FALSE) {
|
|
ALOGE("EGL FENCE: error waiting for fence: %#x", eglGetError());
|
|
}
|
|
FuncEglDestroySyncKHR(display, fence);
|
|
}
|