1 /*
2 * Copyright (C) 2012 The Android Open Source Project
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 * http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16
17 #include <EGL/egl.h>
18 #define EGL_EGLEXT_PROTOTYPES // for egl*Sync*
19 #include <EGL/eglext.h>
20 #include <cutils/log.h>
21 #include <jni.h>
22 #include <stdlib.h>
23 #include <string.h>
24 #include <sys/time.h>
25
26 typedef EGLSyncKHR EGLAPIENTRY (*TypeEglCreateSyncKHR)(EGLDisplay dpy, \
27 EGLenum type, const EGLint *attrib_list);
28 typedef EGLBoolean EGLAPIENTRY (*TypeEglDestroySyncKHR)(EGLDisplay dpy, \
29 EGLSyncKHR sync);
30 typedef EGLint EGLAPIENTRY (*TypeEglClientWaitSyncKHR)(EGLDisplay dpy, \
31 EGLSyncKHR sync, EGLint flags, EGLTimeKHR timeout);
32
33 static TypeEglCreateSyncKHR mEglCreateSyncKHR = NULL;
34 static TypeEglClientWaitSyncKHR mEglClientWaitSyncKHR = NULL;
35 static TypeEglDestroySyncKHR mEglDestroySyncKHR = NULL;
36 static bool mInitialized = false;
37 static bool mEglKhrFenceSyncSupported = false;
38
IsEglKHRFenceSyncSupported(EGLDisplay & display)39 bool IsEglKHRFenceSyncSupported(EGLDisplay& display)
40 {
41 if (!mInitialized) {
42 const char* eglExtensions = eglQueryString(display, EGL_EXTENSIONS);
43 if (eglExtensions && strstr(eglExtensions, "EGL_KHR_fence_sync")) {
44 mEglCreateSyncKHR = (TypeEglCreateSyncKHR) eglGetProcAddress("eglCreateSyncKHR");
45 mEglClientWaitSyncKHR =
46 (TypeEglClientWaitSyncKHR) eglGetProcAddress("eglClientWaitSyncKHR");
47 mEglDestroySyncKHR = (TypeEglDestroySyncKHR) eglGetProcAddress("eglDestroySyncKHR");
48 if (mEglCreateSyncKHR != NULL && mEglClientWaitSyncKHR != NULL
49 && mEglDestroySyncKHR != NULL) {
50 mEglKhrFenceSyncSupported = true;
51 }
52 }
53 mInitialized = true;
54 }
55 return mEglKhrFenceSyncSupported;
56 }
57
58 extern "C" JNIEXPORT \
Java_android_openglperf_cts_OpenGlPerfNative_waitForEglCompletion(JNIEnv * env,jclass clazz,jlong waitTimeInNs)59 jboolean JNICALL Java_android_openglperf_cts_OpenGlPerfNative_waitForEglCompletion(JNIEnv* env,
60 jclass clazz, jlong waitTimeInNs)
61 {
62 EGLDisplay dpy = eglGetCurrentDisplay();
63 if (!IsEglKHRFenceSyncSupported(dpy)) {
64 return JNI_FALSE;
65 }
66 EGLSyncKHR sync = mEglCreateSyncKHR(dpy, EGL_SYNC_FENCE_KHR, NULL);
67 if (sync == EGL_NO_SYNC_KHR) {
68 return JNI_FALSE;
69 }
70 jboolean res = JNI_TRUE;
71 EGLint result = mEglClientWaitSyncKHR(dpy, sync, EGL_SYNC_FLUSH_COMMANDS_BIT_KHR, waitTimeInNs);
72 if (result == EGL_FALSE) {
73 ALOGE("FrameCompletion: error waiting for fence: %#x", eglGetError());
74 res = JNI_FALSE;
75 } else if (result == EGL_TIMEOUT_EXPIRED_KHR) {
76 ALOGE("FrameCompletion: timeout waiting for fence");
77 res = JNI_FALSE;
78 }
79 mEglDestroySyncKHR(dpy, sync);
80 return res;
81 }
82