1 /*
2 ** Copyright 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 // This source file is automatically generated
18 
19 #pragma GCC diagnostic ignored "-Wunused-variable"
20 #pragma GCC diagnostic ignored "-Wunused-function"
21 
22 #include "jni.h"
23 #include <nativehelper/JNIPlatformHelp.h>
24 #include <android_runtime/AndroidRuntime.h>
25 #include <android_runtime/android_view_Surface.h>
26 #include <android_runtime/android_graphics_SurfaceTexture.h>
27 #include <utils/misc.h>
28 
29 #include <assert.h>
30 #include <EGL/egl.h>
31 
32 #include <gui/Surface.h>
33 #include <gui/GLConsumer.h>
34 #include <gui/Surface.h>
35 
36 #include <ui/ANativeObjectBase.h>
37 
38 static jclass egldisplayClass;
39 static jclass eglcontextClass;
40 static jclass eglsurfaceClass;
41 static jclass eglconfigClass;
42 
43 static jmethodID egldisplayGetHandleID;
44 static jmethodID eglcontextGetHandleID;
45 static jmethodID eglsurfaceGetHandleID;
46 static jmethodID eglconfigGetHandleID;
47 
48 static jmethodID egldisplayConstructor;
49 static jmethodID eglcontextConstructor;
50 static jmethodID eglsurfaceConstructor;
51 static jmethodID eglconfigConstructor;
52 
53 static jobject eglNoContextObject;
54 static jobject eglNoDisplayObject;
55 static jobject eglNoSurfaceObject;
56 
57 
58 
59 /* Cache method IDs each time the class is loaded. */
60 
61 static void
nativeClassInit(JNIEnv * _env,jclass glImplClass)62 nativeClassInit(JNIEnv *_env, jclass glImplClass)
63 {
64     jclass egldisplayClassLocal = _env->FindClass("android/opengl/EGLDisplay");
65     egldisplayClass = (jclass) _env->NewGlobalRef(egldisplayClassLocal);
66     jclass eglcontextClassLocal = _env->FindClass("android/opengl/EGLContext");
67     eglcontextClass = (jclass) _env->NewGlobalRef(eglcontextClassLocal);
68     jclass eglsurfaceClassLocal = _env->FindClass("android/opengl/EGLSurface");
69     eglsurfaceClass = (jclass) _env->NewGlobalRef(eglsurfaceClassLocal);
70     jclass eglconfigClassLocal = _env->FindClass("android/opengl/EGLConfig");
71     eglconfigClass = (jclass) _env->NewGlobalRef(eglconfigClassLocal);
72 
73     egldisplayGetHandleID = _env->GetMethodID(egldisplayClass, "getNativeHandle", "()J");
74     eglcontextGetHandleID = _env->GetMethodID(eglcontextClass, "getNativeHandle", "()J");
75     eglsurfaceGetHandleID = _env->GetMethodID(eglsurfaceClass, "getNativeHandle", "()J");
76     eglconfigGetHandleID = _env->GetMethodID(eglconfigClass, "getNativeHandle", "()J");
77 
78 
79     egldisplayConstructor = _env->GetMethodID(egldisplayClass, "<init>", "(J)V");
80     eglcontextConstructor = _env->GetMethodID(eglcontextClass, "<init>", "(J)V");
81     eglsurfaceConstructor = _env->GetMethodID(eglsurfaceClass, "<init>", "(J)V");
82     eglconfigConstructor = _env->GetMethodID(eglconfigClass, "<init>", "(J)V");
83 
84     jobject localeglNoContextObject = _env->NewObject(eglcontextClass, eglcontextConstructor, reinterpret_cast<jlong>(EGL_NO_CONTEXT));
85     eglNoContextObject = _env->NewGlobalRef(localeglNoContextObject);
86     jobject localeglNoDisplayObject = _env->NewObject(egldisplayClass, egldisplayConstructor, reinterpret_cast<jlong>(EGL_NO_DISPLAY));
87     eglNoDisplayObject = _env->NewGlobalRef(localeglNoDisplayObject);
88     jobject localeglNoSurfaceObject = _env->NewObject(eglsurfaceClass, eglsurfaceConstructor, reinterpret_cast<jlong>(EGL_NO_SURFACE));
89     eglNoSurfaceObject = _env->NewGlobalRef(localeglNoSurfaceObject);
90 
91 
92     jclass eglClass = _env->FindClass("android/opengl/EGL14");
93     jfieldID noContextFieldID = _env->GetStaticFieldID(eglClass, "EGL_NO_CONTEXT", "Landroid/opengl/EGLContext;");
94     _env->SetStaticObjectField(eglClass, noContextFieldID, eglNoContextObject);
95 
96     jfieldID noDisplayFieldID = _env->GetStaticFieldID(eglClass, "EGL_NO_DISPLAY", "Landroid/opengl/EGLDisplay;");
97     _env->SetStaticObjectField(eglClass, noDisplayFieldID, eglNoDisplayObject);
98 
99     jfieldID noSurfaceFieldID = _env->GetStaticFieldID(eglClass, "EGL_NO_SURFACE", "Landroid/opengl/EGLSurface;");
100     _env->SetStaticObjectField(eglClass, noSurfaceFieldID, eglNoSurfaceObject);
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         return nullptr;
109     }
110 
111     jlong handle = _env->CallLongMethod(obj, mid);
112     return reinterpret_cast<void*>(handle);
113 }
114 
115 static jobject
toEGLHandle(JNIEnv * _env,jclass cls,jmethodID con,void * handle)116 toEGLHandle(JNIEnv *_env, jclass cls, jmethodID con, void * handle) {
117     if (cls == eglcontextClass &&
118        (EGLContext)handle == EGL_NO_CONTEXT) {
119            return eglNoContextObject;
120     }
121 
122     if (cls == egldisplayClass &&
123        (EGLDisplay)handle == EGL_NO_DISPLAY) {
124            return eglNoDisplayObject;
125     }
126 
127     if (cls == eglsurfaceClass &&
128        (EGLSurface)handle == EGL_NO_SURFACE) {
129            return eglNoSurfaceObject;
130     }
131 
132     return _env->NewObject(cls, con, reinterpret_cast<jlong>(handle));
133 }
134 
135 // --------------------------------------------------------------------------
136