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      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-function"
     21 
     22 #include "jni.h"
     23 #include <nativehelper/JNIHelp.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 #include <EGL/eglext.h>
     32 
     33 #include <gui/Surface.h>
     34 #include <gui/GLConsumer.h>
     35 #include <gui/Surface.h>
     36 
     37 #include <ui/ANativeObjectBase.h>
     38 
     39 static jclass egldisplayClass;
     40 static jclass eglcontextClass;
     41 static jclass eglsurfaceClass;
     42 static jclass eglconfigClass;
     43 
     44 static jmethodID egldisplayGetHandleID;
     45 static jmethodID eglcontextGetHandleID;
     46 static jmethodID eglsurfaceGetHandleID;
     47 static jmethodID eglconfigGetHandleID;
     48 
     49 static jmethodID egldisplayConstructor;
     50 static jmethodID eglcontextConstructor;
     51 static jmethodID eglsurfaceConstructor;
     52 static jmethodID eglconfigConstructor;
     53 
     54 static jobject eglNoContextObject;
     55 static jobject eglNoDisplayObject;
     56 static jobject eglNoSurfaceObject;
     57 
     58 
     59 
     60 /* Cache method IDs each time the class is loaded. */
     61 
     62 static void
     63 nativeClassInit(JNIEnv *_env, jclass glImplClass)
     64 {
     65     jclass egldisplayClassLocal = _env->FindClass("android/opengl/EGLDisplay");
     66     egldisplayClass = (jclass) _env->NewGlobalRef(egldisplayClassLocal);
     67     jclass eglcontextClassLocal = _env->FindClass("android/opengl/EGLContext");
     68     eglcontextClass = (jclass) _env->NewGlobalRef(eglcontextClassLocal);
     69     jclass eglsurfaceClassLocal = _env->FindClass("android/opengl/EGLSurface");
     70     eglsurfaceClass = (jclass) _env->NewGlobalRef(eglsurfaceClassLocal);
     71     jclass eglconfigClassLocal = _env->FindClass("android/opengl/EGLConfig");
     72     eglconfigClass = (jclass) _env->NewGlobalRef(eglconfigClassLocal);
     73 
     74     egldisplayGetHandleID = _env->GetMethodID(egldisplayClass, "getNativeHandle", "()J");
     75     eglcontextGetHandleID = _env->GetMethodID(eglcontextClass, "getNativeHandle", "()J");
     76     eglsurfaceGetHandleID = _env->GetMethodID(eglsurfaceClass, "getNativeHandle", "()J");
     77     eglconfigGetHandleID = _env->GetMethodID(eglconfigClass, "getNativeHandle", "()J");
     78 
     79 
     80     egldisplayConstructor = _env->GetMethodID(egldisplayClass, "<init>", "(J)V");
     81     eglcontextConstructor = _env->GetMethodID(eglcontextClass, "<init>", "(J)V");
     82     eglsurfaceConstructor = _env->GetMethodID(eglsurfaceClass, "<init>", "(J)V");
     83     eglconfigConstructor = _env->GetMethodID(eglconfigClass, "<init>", "(J)V");
     84 
     85 
     86     jclass eglClass = _env->FindClass("android/opengl/EGL14");
     87     jfieldID noContextFieldID = _env->GetStaticFieldID(eglClass, "EGL_NO_CONTEXT", "Landroid/opengl/EGLContext;");
     88     jobject localeglNoContextObject = _env->GetStaticObjectField(eglClass, noContextFieldID);
     89     eglNoContextObject = _env->NewGlobalRef(localeglNoContextObject);
     90 
     91     jfieldID noDisplayFieldID = _env->GetStaticFieldID(eglClass, "EGL_NO_DISPLAY", "Landroid/opengl/EGLDisplay;");
     92     jobject localeglNoDisplayObject = _env->GetStaticObjectField(eglClass, noDisplayFieldID);
     93     eglNoDisplayObject = _env->NewGlobalRef(localeglNoDisplayObject);
     94 
     95     jfieldID noSurfaceFieldID = _env->GetStaticFieldID(eglClass, "EGL_NO_SURFACE", "Landroid/opengl/EGLSurface;");
     96     jobject localeglNoSurfaceObject = _env->GetStaticObjectField(eglClass, noSurfaceFieldID);
     97     eglNoSurfaceObject = _env->NewGlobalRef(localeglNoSurfaceObject);
     98 }
     99 
    100 static void *
    101 fromEGLHandle(JNIEnv *_env, jmethodID mid, jobject obj) {
    102     if (obj == NULL){
    103         jniThrowException(_env, "java/lang/IllegalArgumentException",
    104                           "Object is set to null.");
    105         return nullptr;
    106     }
    107 
    108     return reinterpret_cast<void*>(_env->CallLongMethod(obj, mid));
    109 }
    110 
    111 static jobject
    112 toEGLHandle(JNIEnv *_env, jclass cls, jmethodID con, void * handle) {
    113     if (cls == eglcontextClass &&
    114        (EGLContext)handle == EGL_NO_CONTEXT) {
    115            return eglNoContextObject;
    116     }
    117 
    118     if (cls == egldisplayClass &&
    119        (EGLDisplay)handle == EGL_NO_DISPLAY) {
    120            return eglNoDisplayObject;
    121     }
    122 
    123     if (cls == eglsurfaceClass &&
    124        (EGLSurface)handle == EGL_NO_SURFACE) {
    125            return eglNoSurfaceObject;
    126     }
    127 
    128     return _env->NewObject(cls, con, reinterpret_cast<jlong>(handle));
    129 }
    130 
    131 // --------------------------------------------------------------------------
    132