1 /*
2 ** Copyright 2018, 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 <utils/misc.h>
26
27 #include <assert.h>
28 #include <vector>
29 #include <EGL/egl.h>
30
31 #include <ui/ANativeObjectBase.h>
32
33 // classes from EGL 1.4
34 static jclass egldisplayClass;
35 static jclass eglsurfaceClass;
36 static jclass eglconfigClass;
37 static jclass eglcontextClass;
38
39 static jmethodID egldisplayGetHandleID;
40 static jmethodID eglconfigGetHandleID;
41 static jmethodID eglcontextGetHandleID;
42 static jmethodID eglsurfaceGetHandleID;
43
44 static jmethodID egldisplayConstructor;
45 static jmethodID eglcontextConstructor;
46 static jmethodID eglsurfaceConstructor;
47 static jmethodID eglconfigConstructor;
48
49 static jobject eglNoContextObject;
50 static jobject eglNoDisplayObject;
51 static jobject eglNoSurfaceObject;
52
53 // classes from EGL 1.5
54 static jclass eglimageClass;
55 static jclass eglsyncClass;
56
57 static jmethodID eglimageGetHandleID;
58 static jmethodID eglsyncGetHandleID;
59
60 static jmethodID eglimageConstructor;
61 static jmethodID eglsyncConstructor;
62
63 static jobject eglNoImageObject;
64 static jobject eglNoSyncObject;
65
66 /* Cache method IDs each time the class is loaded. */
67
68 static void
nativeClassInit(JNIEnv * _env,jclass glImplClass)69 nativeClassInit(JNIEnv *_env, jclass glImplClass)
70 {
71 // EGL 1.4 Init
72 jclass eglconfigClassLocal = _env->FindClass("android/opengl/EGLConfig");
73 eglconfigClass = (jclass) _env->NewGlobalRef(eglconfigClassLocal);
74 jclass eglcontextClassLocal = _env->FindClass("android/opengl/EGLContext");
75 eglcontextClass = (jclass) _env->NewGlobalRef(eglcontextClassLocal);
76 jclass egldisplayClassLocal = _env->FindClass("android/opengl/EGLDisplay");
77 egldisplayClass = (jclass) _env->NewGlobalRef(egldisplayClassLocal);
78 jclass eglsurfaceClassLocal = _env->FindClass("android/opengl/EGLSurface");
79 eglsurfaceClass = (jclass) _env->NewGlobalRef(eglsurfaceClassLocal);
80
81 eglconfigGetHandleID = _env->GetMethodID(eglconfigClass, "getNativeHandle", "()J");
82 eglcontextGetHandleID = _env->GetMethodID(eglcontextClass, "getNativeHandle", "()J");
83 egldisplayGetHandleID = _env->GetMethodID(egldisplayClass, "getNativeHandle", "()J");
84 eglsurfaceGetHandleID = _env->GetMethodID(eglsurfaceClass, "getNativeHandle", "()J");
85
86 eglconfigConstructor = _env->GetMethodID(eglconfigClass, "<init>", "(J)V");
87 eglcontextConstructor = _env->GetMethodID(eglcontextClass, "<init>", "(J)V");
88 egldisplayConstructor = _env->GetMethodID(egldisplayClass, "<init>", "(J)V");
89 eglsurfaceConstructor = _env->GetMethodID(eglsurfaceClass, "<init>", "(J)V");
90
91 jobject localeglNoContextObject = _env->NewObject(eglcontextClass, eglcontextConstructor, reinterpret_cast<jlong>(EGL_NO_CONTEXT));
92 eglNoContextObject = _env->NewGlobalRef(localeglNoContextObject);
93 jobject localeglNoDisplayObject = _env->NewObject(egldisplayClass, egldisplayConstructor, reinterpret_cast<jlong>(EGL_NO_DISPLAY));
94 eglNoDisplayObject = _env->NewGlobalRef(localeglNoDisplayObject);
95 jobject localeglNoSurfaceObject = _env->NewObject(eglsurfaceClass, eglsurfaceConstructor, reinterpret_cast<jlong>(EGL_NO_SURFACE));
96 eglNoSurfaceObject = _env->NewGlobalRef(localeglNoSurfaceObject);
97
98 jclass eglClass = _env->FindClass("android/opengl/EGL15");
99 jfieldID noContextFieldID = _env->GetStaticFieldID(eglClass, "EGL_NO_CONTEXT", "Landroid/opengl/EGLContext;");
100 _env->SetStaticObjectField(eglClass, noContextFieldID, eglNoContextObject);
101
102 jfieldID noDisplayFieldID = _env->GetStaticFieldID(eglClass, "EGL_NO_DISPLAY", "Landroid/opengl/EGLDisplay;");
103 _env->SetStaticObjectField(eglClass, noDisplayFieldID, eglNoDisplayObject);
104
105 jfieldID noSurfaceFieldID = _env->GetStaticFieldID(eglClass, "EGL_NO_SURFACE", "Landroid/opengl/EGLSurface;");
106 _env->SetStaticObjectField(eglClass, noSurfaceFieldID, eglNoSurfaceObject);
107
108 // EGL 1.5 init
109 jclass eglimageClassLocal = _env->FindClass("android/opengl/EGLImage");
110 eglimageClass = (jclass) _env->NewGlobalRef(eglimageClassLocal);
111 jclass eglsyncClassLocal = _env->FindClass("android/opengl/EGLSync");
112 eglsyncClass = (jclass) _env->NewGlobalRef(eglsyncClassLocal);
113
114 eglimageGetHandleID = _env->GetMethodID(eglimageClass, "getNativeHandle", "()J");
115 eglsyncGetHandleID = _env->GetMethodID(eglsyncClass, "getNativeHandle", "()J");
116
117 eglimageConstructor = _env->GetMethodID(eglimageClass, "<init>", "(J)V");
118 eglsyncConstructor = _env->GetMethodID(eglsyncClass, "<init>", "(J)V");
119
120 jfieldID noImageFieldID = _env->GetStaticFieldID(eglClass, "EGL_NO_IMAGE", "Landroid/opengl/EGLImage;");
121 _env->SetStaticObjectField(eglClass, noImageFieldID, eglNoImageObject);
122
123 jfieldID noSyncFieldID = _env->GetStaticFieldID(eglClass, "EGL_NO_SYNC", "Landroid/opengl/EGLSync;");
124 _env->SetStaticObjectField(eglClass, noSyncFieldID, eglNoSyncObject);
125 }
126
127 static void *
getPointer(JNIEnv * _env,jobject buffer,jarray * array,jint * remaining,jint * offset)128 getPointer(JNIEnv *_env, jobject buffer, jarray *array, jint *remaining, jint *offset)
129 {
130 jint position;
131 jint limit;
132 jint elementSizeShift;
133 jlong pointer;
134
135 pointer = jniGetNioBufferFields(_env, buffer, &position, &limit, &elementSizeShift);
136 *remaining = (limit - position) << elementSizeShift;
137 if (pointer != 0L) {
138 *array = nullptr;
139 pointer += position << elementSizeShift;
140 return reinterpret_cast<void*>(pointer);
141 }
142
143 *array = jniGetNioBufferBaseArray(_env, buffer);
144 *offset = jniGetNioBufferBaseArrayOffset(_env, buffer);
145 return nullptr;
146 }
147
148 static void
releasePointer(JNIEnv * _env,jarray array,void * data,jboolean commit)149 releasePointer(JNIEnv *_env, jarray array, void *data, jboolean commit)
150 {
151 _env->ReleasePrimitiveArrayCritical(array, data,
152 commit ? 0 : JNI_ABORT);
153 }
154
155 static void *
fromEGLHandle(JNIEnv * _env,jmethodID mid,jobject obj)156 fromEGLHandle(JNIEnv *_env, jmethodID mid, jobject obj) {
157 if (obj == NULL) {
158 jniThrowException(_env, "java/lang/IllegalArgumentException",
159 "Object is set to null.");
160 return nullptr;
161 }
162
163 jlong handle = _env->CallLongMethod(obj, mid);
164 return reinterpret_cast<void*>(handle);
165 }
166
167 static jobject
toEGLHandle(JNIEnv * _env,jclass cls,jmethodID con,void * handle)168 toEGLHandle(JNIEnv *_env, jclass cls, jmethodID con, void *handle) {
169 if (cls == eglimageClass && (EGLImage)handle == EGL_NO_IMAGE) {
170 return eglNoImageObject;
171 }
172
173 return _env->NewObject(cls, con, reinterpret_cast<jlong>(handle));
174 }
175
176 struct WrappedEGLAttribs {
177 private:
178 std::vector<EGLAttrib> backing; // only for 32-bit
179 public:
180 EGLAttrib *attribs;
WrappedEGLAttribsWrappedEGLAttribs181 WrappedEGLAttribs(): attribs(nullptr) { };
initWrappedEGLAttribs182 void init(jlong *array, jint size) {
183 if (sizeof(EGLAttrib) != sizeof(jlong)) {
184 for (jint i = 0; i < size; ++i) {
185 backing.push_back(array[i]);
186 }
187 attribs = backing.data();
188 } else {
189 attribs = (EGLAttrib*)array;
190 }
191 }
192 };
193
194 // --------------------------------------------------------------------------
195