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#include "jni.h"
20#include "JNIHelp.h"
21#include <android_runtime/AndroidRuntime.h>
22#include <android_runtime/android_view_Surface.h>
23#include <android_runtime/android_graphics_SurfaceTexture.h>
24#include <utils/misc.h>
25
26#include <assert.h>
27#include <EGL/egl.h>
28#include <EGL/eglext.h>
29
30#include <gui/Surface.h>
31#include <gui/GLConsumer.h>
32#include <gui/Surface.h>
33
34#include <ui/ANativeObjectBase.h>
35
36static int initialized = 0;
37
38static jclass egldisplayClass;
39static jclass eglcontextClass;
40static jclass eglsurfaceClass;
41static jclass eglconfigClass;
42
43static jmethodID egldisplayGetHandleID;
44static jmethodID eglcontextGetHandleID;
45static jmethodID eglsurfaceGetHandleID;
46static jmethodID eglconfigGetHandleID;
47
48static jmethodID egldisplayConstructor;
49static jmethodID eglcontextConstructor;
50static jmethodID eglsurfaceConstructor;
51static jmethodID eglconfigConstructor;
52
53static jobject eglNoContextObject;
54static jobject eglNoDisplayObject;
55static jobject eglNoSurfaceObject;
56
57
58
59/* Cache method IDs each time the class is loaded. */
60
61static void
62nativeClassInit(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
103static void *
104fromEGLHandle(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
113static jobject
114toEGLHandle(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