1 /*
2 **
3 ** Copyright 2009, The Android Open Source Project
4 **
5 ** Licensed under the Apache License, Version 2.0 (the "License");
6 ** you may not use this file except in compliance with the License.
7 ** You may obtain a copy of the License at
8 **
9 ** http://www.apache.org/licenses/LICENSE-2.0
10 **
11 ** Unless required by applicable law or agreed to in writing, software
12 ** distributed under the License is distributed on an "AS IS" BASIS,
13 ** WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14 ** See the License for the specific language governing permissions and
15 ** limitations under the License.
16 */
17
18 // This source file is automatically generated
19
20 #include "jni.h"
21 #include "JNIHelp.h"
22 #include <android_runtime/AndroidRuntime.h>
23 #include <utils/misc.h>
24
25 #include <assert.h>
26 #include <GLES/gl.h>
27 #include <GLES/glext.h>
28
29 static int initialized = 0;
30
31 static jclass nioAccessClass;
32 static jclass bufferClass;
33 static jmethodID getBasePointerID;
34 static jmethodID getBaseArrayID;
35 static jmethodID getBaseArrayOffsetID;
36 static jfieldID positionID;
37 static jfieldID limitID;
38 static jfieldID elementSizeShiftID;
39
40 /* Cache method IDs each time the class is loaded. */
41
42 static void
nativeClassInit(JNIEnv * _env,jclass glImplClass)43 nativeClassInit(JNIEnv *_env, jclass glImplClass)
44 {
45 jclass nioAccessClassLocal = _env->FindClass("java/nio/NIOAccess");
46 nioAccessClass = (jclass) _env->NewGlobalRef(nioAccessClassLocal);
47
48 jclass bufferClassLocal = _env->FindClass("java/nio/Buffer");
49 bufferClass = (jclass) _env->NewGlobalRef(bufferClassLocal);
50
51 getBasePointerID = _env->GetStaticMethodID(nioAccessClass,
52 "getBasePointer", "(Ljava/nio/Buffer;)J");
53 getBaseArrayID = _env->GetStaticMethodID(nioAccessClass,
54 "getBaseArray", "(Ljava/nio/Buffer;)Ljava/lang/Object;");
55 getBaseArrayOffsetID = _env->GetStaticMethodID(nioAccessClass,
56 "getBaseArrayOffset", "(Ljava/nio/Buffer;)I");
57
58 positionID = _env->GetFieldID(bufferClass, "position", "I");
59 limitID = _env->GetFieldID(bufferClass, "limit", "I");
60 elementSizeShiftID =
61 _env->GetFieldID(bufferClass, "_elementSizeShift", "I");
62 }
63
64
65 static void *
getPointer(JNIEnv * _env,jobject buffer,jarray * array,jint * remaining)66 getPointer(JNIEnv *_env, jobject buffer, jarray *array, jint *remaining)
67 {
68 jint position;
69 jint limit;
70 jint elementSizeShift;
71 jlong pointer;
72 jint offset;
73 void *data;
74
75 position = _env->GetIntField(buffer, positionID);
76 limit = _env->GetIntField(buffer, limitID);
77 elementSizeShift = _env->GetIntField(buffer, elementSizeShiftID);
78 *remaining = (limit - position) << elementSizeShift;
79 pointer = _env->CallStaticLongMethod(nioAccessClass,
80 getBasePointerID, buffer);
81 if (pointer != 0L) {
82 *array = NULL;
83 return (void *) (jint) pointer;
84 }
85
86 *array = (jarray) _env->CallStaticObjectMethod(nioAccessClass,
87 getBaseArrayID, buffer);
88 offset = _env->CallStaticIntMethod(nioAccessClass,
89 getBaseArrayOffsetID, buffer);
90 data = _env->GetPrimitiveArrayCritical(*array, (jboolean *) 0);
91
92 return (void *) ((char *) data + offset);
93 }
94
95
96 static void
releasePointer(JNIEnv * _env,jarray array,void * data,jboolean commit)97 releasePointer(JNIEnv *_env, jarray array, void *data, jboolean commit)
98 {
99 _env->ReleasePrimitiveArrayCritical(array, data,
100 commit ? 0 : JNI_ABORT);
101 }
102
103 // --------------------------------------------------------------------------
104 /* GLbitfield glQueryMatrixxOES ( GLfixed *mantissa, GLint *exponent ) */
105 static jint
android_glQueryMatrixxOES___3II_3II(JNIEnv * _env,jobject _this,jintArray mantissa_ref,jint mantissaOffset,jintArray exponent_ref,jint exponentOffset)106 android_glQueryMatrixxOES___3II_3II
107 (JNIEnv *_env, jobject _this, jintArray mantissa_ref, jint mantissaOffset, jintArray exponent_ref, jint exponentOffset) {
108 jint _exception = 0;
109 GLbitfield _returnValue = -1;
110 GLfixed *mantissa_base = (GLfixed *) 0;
111 jint _mantissaRemaining;
112 GLfixed *mantissa = (GLfixed *) 0;
113 GLint *exponent_base = (GLint *) 0;
114 jint _exponentRemaining;
115 GLint *exponent = (GLint *) 0;
116
117 if (!mantissa_ref) {
118 _exception = 1;
119 jniThrowException(_env, "java/lang/IllegalArgumentException", "mantissa == null");
120 goto exit;
121 }
122 if (mantissaOffset < 0) {
123 _exception = 1;
124 jniThrowException(_env, "java/lang/IllegalArgumentException", "mantissaOffset < 0");
125 goto exit;
126 }
127 _mantissaRemaining = _env->GetArrayLength(mantissa_ref) - mantissaOffset;
128 if (_mantissaRemaining < 16) {
129 _exception = 1;
130 jniThrowException(_env, "java/lang/IllegalArgumentException", "length - mantissaOffset < 16");
131 goto exit;
132 }
133 mantissa_base = (GLfixed *)
134 _env->GetPrimitiveArrayCritical(mantissa_ref, (jboolean *)0);
135 mantissa = mantissa_base + mantissaOffset;
136
137 if (!exponent_ref) {
138 _exception = 1;
139 jniThrowException(_env, "java/lang/IllegalArgumentException", "exponent == null");
140 goto exit;
141 }
142 if (exponentOffset < 0) {
143 _exception = 1;
144 jniThrowException(_env, "java/lang/IllegalArgumentException", "exponentOffset < 0");
145 goto exit;
146 }
147 _exponentRemaining = _env->GetArrayLength(exponent_ref) - exponentOffset;
148 if (_exponentRemaining < 16) {
149 _exception = 1;
150 jniThrowException(_env, "java/lang/IllegalArgumentException", "length - exponentOffset < 16");
151 goto exit;
152 }
153 exponent_base = (GLint *)
154 _env->GetPrimitiveArrayCritical(exponent_ref, (jboolean *)0);
155 exponent = exponent_base + exponentOffset;
156
157 _returnValue = glQueryMatrixxOES(
158 (GLfixed *)mantissa,
159 (GLint *)exponent
160 );
161
162 exit:
163 if (exponent_base) {
164 _env->ReleasePrimitiveArrayCritical(exponent_ref, exponent_base,
165 _exception ? JNI_ABORT: 0);
166 }
167 if (mantissa_base) {
168 _env->ReleasePrimitiveArrayCritical(mantissa_ref, mantissa_base,
169 _exception ? JNI_ABORT: 0);
170 }
171 return _returnValue;
172 }
173
174 /* GLbitfield glQueryMatrixxOES ( GLfixed *mantissa, GLint *exponent ) */
175 static jint
android_glQueryMatrixxOES__Ljava_nio_IntBuffer_2Ljava_nio_IntBuffer_2(JNIEnv * _env,jobject _this,jobject mantissa_buf,jobject exponent_buf)176 android_glQueryMatrixxOES__Ljava_nio_IntBuffer_2Ljava_nio_IntBuffer_2
177 (JNIEnv *_env, jobject _this, jobject mantissa_buf, jobject exponent_buf) {
178 jint _exception = 0;
179 jarray _mantissaArray = (jarray) 0;
180 jarray _exponentArray = (jarray) 0;
181 GLbitfield _returnValue = -1;
182 jint _mantissaRemaining;
183 GLfixed *mantissa = (GLfixed *) 0;
184 jint _exponentRemaining;
185 GLint *exponent = (GLint *) 0;
186
187 mantissa = (GLfixed *)getPointer(_env, mantissa_buf, &_mantissaArray, &_mantissaRemaining);
188 if (_mantissaRemaining < 16) {
189 _exception = 1;
190 jniThrowException(_env, "java/lang/IllegalArgumentException", "remaining() < 16");
191 goto exit;
192 }
193 exponent = (GLint *)getPointer(_env, exponent_buf, &_exponentArray, &_exponentRemaining);
194 if (_exponentRemaining < 16) {
195 _exception = 1;
196 jniThrowException(_env, "java/lang/IllegalArgumentException", "remaining() < 16");
197 goto exit;
198 }
199 _returnValue = glQueryMatrixxOES(
200 (GLfixed *)mantissa,
201 (GLint *)exponent
202 );
203
204 exit:
205 if (_mantissaArray) {
206 releasePointer(_env, _mantissaArray, exponent, _exception ? JNI_FALSE : JNI_TRUE);
207 }
208 if (_exponentArray) {
209 releasePointer(_env, _exponentArray, mantissa, _exception ? JNI_FALSE : JNI_TRUE);
210 }
211 return _returnValue;
212 }
213
214 static const char *classPathName = "android/opengl/GLES10Ext";
215
216 static JNINativeMethod methods[] = {
217 {"_nativeClassInit", "()V", (void*)nativeClassInit },
218 {"glQueryMatrixxOES", "([II[II)I", (void *) android_glQueryMatrixxOES___3II_3II },
219 {"glQueryMatrixxOES", "(Ljava/nio/IntBuffer;Ljava/nio/IntBuffer;)I", (void *) android_glQueryMatrixxOES__Ljava_nio_IntBuffer_2Ljava_nio_IntBuffer_2 },
220 };
221
register_android_opengl_jni_GLES10Ext(JNIEnv * _env)222 int register_android_opengl_jni_GLES10Ext(JNIEnv *_env)
223 {
224 int err;
225 err = android::AndroidRuntime::registerNativeMethods(_env, classPathName, methods, NELEM(methods));
226 return err;
227 }
228