1 /*
2 ** Copyright 2013, 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 // This source file is automatically generated
18 
19 #pragma GCC diagnostic ignored "-Wunused-variable"
20 #pragma GCC diagnostic ignored "-Wunused-but-set-variable"
21 #pragma GCC diagnostic ignored "-Wunused-function"
22 
23 #include "jni.h"
24 #include "JNIHelp.h"
25 #include <android_runtime/AndroidRuntime.h>
26 #include <android_runtime/android_view_Surface.h>
27 #include <android_runtime/android_graphics_SurfaceTexture.h>
28 #include <utils/misc.h>
29 
30 #include <assert.h>
31 #include <EGL/egl.h>
32 #include <EGL/eglext.h>
33 
34 #include <gui/Surface.h>
35 #include <gui/GLConsumer.h>
36 #include <gui/Surface.h>
37 
38 #include <ui/ANativeObjectBase.h>
39 
40 static int initialized = 0;
41 
42 static jclass egldisplayClass;
43 static jclass eglcontextClass;
44 static jclass eglsurfaceClass;
45 static jclass eglconfigClass;
46 
47 static jmethodID egldisplayGetHandleID;
48 static jmethodID eglcontextGetHandleID;
49 static jmethodID eglsurfaceGetHandleID;
50 static jmethodID eglconfigGetHandleID;
51 
52 static jmethodID egldisplayConstructor;
53 static jmethodID eglcontextConstructor;
54 static jmethodID eglsurfaceConstructor;
55 static jmethodID eglconfigConstructor;
56 
57 static jobject eglNoContextObject;
58 static jobject eglNoDisplayObject;
59 static jobject eglNoSurfaceObject;
60 
61 
62 
63 /* Cache method IDs each time the class is loaded. */
64 
65 static void
nativeClassInit(JNIEnv * _env,jclass glImplClass)66 nativeClassInit(JNIEnv *_env, jclass glImplClass)
67 {
68     jclass egldisplayClassLocal = _env->FindClass("android/opengl/EGLDisplay");
69     egldisplayClass = (jclass) _env->NewGlobalRef(egldisplayClassLocal);
70     jclass eglcontextClassLocal = _env->FindClass("android/opengl/EGLContext");
71     eglcontextClass = (jclass) _env->NewGlobalRef(eglcontextClassLocal);
72     jclass eglsurfaceClassLocal = _env->FindClass("android/opengl/EGLSurface");
73     eglsurfaceClass = (jclass) _env->NewGlobalRef(eglsurfaceClassLocal);
74     jclass eglconfigClassLocal = _env->FindClass("android/opengl/EGLConfig");
75     eglconfigClass = (jclass) _env->NewGlobalRef(eglconfigClassLocal);
76 
77     egldisplayGetHandleID = _env->GetMethodID(egldisplayClass, "getNativeHandle", "()J");
78     eglcontextGetHandleID = _env->GetMethodID(eglcontextClass, "getNativeHandle", "()J");
79     eglsurfaceGetHandleID = _env->GetMethodID(eglsurfaceClass, "getNativeHandle", "()J");
80     eglconfigGetHandleID = _env->GetMethodID(eglconfigClass, "getNativeHandle", "()J");
81 
82 
83     egldisplayConstructor = _env->GetMethodID(egldisplayClass, "<init>", "(J)V");
84     eglcontextConstructor = _env->GetMethodID(eglcontextClass, "<init>", "(J)V");
85     eglsurfaceConstructor = _env->GetMethodID(eglsurfaceClass, "<init>", "(J)V");
86     eglconfigConstructor = _env->GetMethodID(eglconfigClass, "<init>", "(J)V");
87 
88 
89     jclass eglClass = _env->FindClass("android/opengl/EGL14");
90     jfieldID noContextFieldID = _env->GetStaticFieldID(eglClass, "EGL_NO_CONTEXT", "Landroid/opengl/EGLContext;");
91     jobject localeglNoContextObject = _env->GetStaticObjectField(eglClass, noContextFieldID);
92     eglNoContextObject = _env->NewGlobalRef(localeglNoContextObject);
93 
94     jfieldID noDisplayFieldID = _env->GetStaticFieldID(eglClass, "EGL_NO_DISPLAY", "Landroid/opengl/EGLDisplay;");
95     jobject localeglNoDisplayObject = _env->GetStaticObjectField(eglClass, noDisplayFieldID);
96     eglNoDisplayObject = _env->NewGlobalRef(localeglNoDisplayObject);
97 
98     jfieldID noSurfaceFieldID = _env->GetStaticFieldID(eglClass, "EGL_NO_SURFACE", "Landroid/opengl/EGLSurface;");
99     jobject localeglNoSurfaceObject = _env->GetStaticObjectField(eglClass, noSurfaceFieldID);
100     eglNoSurfaceObject = _env->NewGlobalRef(localeglNoSurfaceObject);
101 }
102 
103 static void *
fromEGLHandle(JNIEnv * _env,jmethodID mid,jobject obj)104 fromEGLHandle(JNIEnv *_env, jmethodID mid, jobject obj) {
105     if (obj == NULL){
106         jniThrowException(_env, "java/lang/IllegalArgumentException",
107                           "Object is set to null.");
108     }
109 
110     return reinterpret_cast<void*>(_env->CallLongMethod(obj, mid));
111 }
112 
113 static jobject
toEGLHandle(JNIEnv * _env,jclass cls,jmethodID con,void * handle)114 toEGLHandle(JNIEnv *_env, jclass cls, jmethodID con, void * handle) {
115     if (cls == eglcontextClass &&
116        (EGLContext)handle == EGL_NO_CONTEXT) {
117            return eglNoContextObject;
118     }
119 
120     if (cls == egldisplayClass &&
121        (EGLDisplay)handle == EGL_NO_DISPLAY) {
122            return eglNoDisplayObject;
123     }
124 
125     if (cls == eglsurfaceClass &&
126        (EGLSurface)handle == EGL_NO_SURFACE) {
127            return eglNoSurfaceObject;
128     }
129 
130     return _env->NewObject(cls, con, reinterpret_cast<jlong>(handle));
131 }
132 
133 // --------------------------------------------------------------------------
134 /* EGLBoolean eglPresentationTimeANDROID ( EGLDisplay dpy, EGLSurface sur, EGLnsecsANDROID time ) */
135 static jboolean
android_eglPresentationTimeANDROID(JNIEnv * _env,jobject _this,jobject dpy,jobject sur,jlong time)136 android_eglPresentationTimeANDROID
137   (JNIEnv *_env, jobject _this, jobject dpy, jobject sur, jlong time) {
138     EGLBoolean _returnValue = (EGLBoolean) 0;
139     EGLDisplay dpy_native = (EGLDisplay) fromEGLHandle(_env, egldisplayGetHandleID, dpy);
140     EGLSurface sur_native = (EGLSurface) fromEGLHandle(_env, eglsurfaceGetHandleID, sur);
141 
142     _returnValue = eglPresentationTimeANDROID(
143         (EGLDisplay)dpy_native,
144         (EGLSurface)sur_native,
145         (EGLnsecsANDROID)time
146     );
147     return (jboolean)_returnValue;
148 }
149 
150 static const char *classPathName = "android/opengl/EGLExt";
151 
152 static const JNINativeMethod methods[] = {
153 {"_nativeClassInit", "()V", (void*)nativeClassInit },
154 {"eglPresentationTimeANDROID", "(Landroid/opengl/EGLDisplay;Landroid/opengl/EGLSurface;J)Z", (void *) android_eglPresentationTimeANDROID },
155 };
156 
register_android_opengl_jni_EGLExt(JNIEnv * _env)157 int register_android_opengl_jni_EGLExt(JNIEnv *_env)
158 {
159     int err;
160     err = android::AndroidRuntime::registerNativeMethods(_env, classPathName, methods, NELEM(methods));
161     return err;
162 }
163