xref: /aosp_15_r20/frameworks/base/core/jni/android_opengl_GLES10Ext.cpp (revision d57664e9bc4670b3ecf6748a746a57c557b6bc9e)
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 #pragma GCC diagnostic ignored "-Wunused-variable"
21 #pragma GCC diagnostic ignored "-Wunused-but-set-variable"
22 #pragma GCC diagnostic ignored "-Wunused-function"
23 
24 #include <GLES/gl.h>
25 #include <GLES/glext.h>
26 
27 #include <jni.h>
28 #include <nativehelper/JNIPlatformHelp.h>
29 #include <android_runtime/AndroidRuntime.h>
30 #include <utils/misc.h>
31 #include <assert.h>
32 
33 
34 /* special calls implemented in Android's GLES wrapper used to more
35  * efficiently bound-check passed arrays */
36 extern "C" {
37 #ifdef GL_VERSION_ES_CM_1_1
38 GL_API void GL_APIENTRY glColorPointerBounds(GLint size, GLenum type, GLsizei stride,
39         const GLvoid *ptr, GLsizei count);
40 GL_API void GL_APIENTRY glNormalPointerBounds(GLenum type, GLsizei stride,
41         const GLvoid *pointer, GLsizei count);
42 GL_API void GL_APIENTRY glTexCoordPointerBounds(GLint size, GLenum type,
43         GLsizei stride, const GLvoid *pointer, GLsizei count);
44 GL_API void GL_APIENTRY glVertexPointerBounds(GLint size, GLenum type,
45         GLsizei stride, const GLvoid *pointer, GLsizei count);
46 GL_API void GL_APIENTRY glPointSizePointerOESBounds(GLenum type,
47         GLsizei stride, const GLvoid *pointer, GLsizei count);
48 GL_API void GL_APIENTRY glMatrixIndexPointerOESBounds(GLint size, GLenum type,
49         GLsizei stride, const GLvoid *pointer, GLsizei count);
50 GL_API void GL_APIENTRY glWeightPointerOESBounds(GLint size, GLenum type,
51         GLsizei stride, const GLvoid *pointer, GLsizei count);
52 #endif
53 #ifdef GL_ES_VERSION_2_0
glVertexAttribPointerBounds(GLuint indx,GLint size,GLenum type,GLboolean normalized,GLsizei stride,const GLvoid * pointer,GLsizei count)54 static void glVertexAttribPointerBounds(GLuint indx, GLint size, GLenum type,
55         GLboolean normalized, GLsizei stride, const GLvoid *pointer, GLsizei count) {
56     glVertexAttribPointer(indx, size, type, normalized, stride, pointer);
57 }
58 #endif
59 #ifdef GL_ES_VERSION_3_0
glVertexAttribIPointerBounds(GLuint indx,GLint size,GLenum type,GLsizei stride,const GLvoid * pointer,GLsizei count)60 static void glVertexAttribIPointerBounds(GLuint indx, GLint size, GLenum type,
61         GLsizei stride, const GLvoid *pointer, GLsizei count) {
62     glVertexAttribIPointer(indx, size, type, stride, pointer);
63 }
64 #endif
65 }
66 
67 static void
nativeClassInit(JNIEnv * _env,jclass glImplClass)68 nativeClassInit(JNIEnv *_env, jclass glImplClass)
69 {
70 }
71 
72 static void *
getPointer(JNIEnv * _env,jobject buffer,jarray * array,jint * remaining,jint * offset)73 getPointer(JNIEnv *_env, jobject buffer, jarray *array, jint *remaining, jint *offset)
74 {
75     jint position;
76     jint limit;
77     jint elementSizeShift;
78     jlong pointer;
79 
80     pointer = jniGetNioBufferFields(_env, buffer, &position, &limit, &elementSizeShift);
81     *remaining = (limit - position) << elementSizeShift;
82     if (pointer != 0L) {
83         *array = nullptr;
84         pointer += position << elementSizeShift;
85         return reinterpret_cast<void*>(pointer);
86     }
87 
88     *array = jniGetNioBufferBaseArray(_env, buffer);
89     *offset = jniGetNioBufferBaseArrayOffset(_env, buffer);
90     return nullptr;
91 }
92 
93 class ByteArrayGetter {
94 public:
Get(JNIEnv * _env,jbyteArray array,jboolean * is_copy)95     static void* Get(JNIEnv* _env, jbyteArray array, jboolean* is_copy) {
96         return _env->GetByteArrayElements(array, is_copy);
97     }
98 };
99 class BooleanArrayGetter {
100 public:
Get(JNIEnv * _env,jbooleanArray array,jboolean * is_copy)101     static void* Get(JNIEnv* _env, jbooleanArray array, jboolean* is_copy) {
102         return _env->GetBooleanArrayElements(array, is_copy);
103     }
104 };
105 class CharArrayGetter {
106 public:
Get(JNIEnv * _env,jcharArray array,jboolean * is_copy)107     static void* Get(JNIEnv* _env, jcharArray array, jboolean* is_copy) {
108         return _env->GetCharArrayElements(array, is_copy);
109     }
110 };
111 class ShortArrayGetter {
112 public:
Get(JNIEnv * _env,jshortArray array,jboolean * is_copy)113     static void* Get(JNIEnv* _env, jshortArray array, jboolean* is_copy) {
114         return _env->GetShortArrayElements(array, is_copy);
115     }
116 };
117 class IntArrayGetter {
118 public:
Get(JNIEnv * _env,jintArray array,jboolean * is_copy)119     static void* Get(JNIEnv* _env, jintArray array, jboolean* is_copy) {
120         return _env->GetIntArrayElements(array, is_copy);
121     }
122 };
123 class LongArrayGetter {
124 public:
Get(JNIEnv * _env,jlongArray array,jboolean * is_copy)125     static void* Get(JNIEnv* _env, jlongArray array, jboolean* is_copy) {
126         return _env->GetLongArrayElements(array, is_copy);
127     }
128 };
129 class FloatArrayGetter {
130 public:
Get(JNIEnv * _env,jfloatArray array,jboolean * is_copy)131     static void* Get(JNIEnv* _env, jfloatArray array, jboolean* is_copy) {
132         return _env->GetFloatArrayElements(array, is_copy);
133     }
134 };
135 class DoubleArrayGetter {
136 public:
Get(JNIEnv * _env,jdoubleArray array,jboolean * is_copy)137     static void* Get(JNIEnv* _env, jdoubleArray array, jboolean* is_copy) {
138         return _env->GetDoubleArrayElements(array, is_copy);
139     }
140 };
141 
142 template<typename JTYPEARRAY, typename ARRAYGETTER>
143 static void*
getArrayPointer(JNIEnv * _env,JTYPEARRAY array,jboolean * is_copy)144 getArrayPointer(JNIEnv *_env, JTYPEARRAY array, jboolean* is_copy) {
145     return ARRAYGETTER::Get(_env, array, is_copy);
146 }
147 
148 class ByteArrayReleaser {
149 public:
Release(JNIEnv * _env,jbyteArray array,jbyte * data,jboolean commit)150     static void Release(JNIEnv* _env, jbyteArray array, jbyte* data, jboolean commit) {
151         _env->ReleaseByteArrayElements(array, data, commit ? 0 : JNI_ABORT);
152     }
153 };
154 class BooleanArrayReleaser {
155 public:
Release(JNIEnv * _env,jbooleanArray array,jboolean * data,jboolean commit)156     static void Release(JNIEnv* _env, jbooleanArray array, jboolean* data, jboolean commit) {
157         _env->ReleaseBooleanArrayElements(array, data, commit ? 0 : JNI_ABORT);
158     }
159 };
160 class CharArrayReleaser {
161 public:
Release(JNIEnv * _env,jcharArray array,jchar * data,jboolean commit)162     static void Release(JNIEnv* _env, jcharArray array, jchar* data, jboolean commit) {
163         _env->ReleaseCharArrayElements(array, data, commit ? 0 : JNI_ABORT);
164     }
165 };
166 class ShortArrayReleaser {
167 public:
Release(JNIEnv * _env,jshortArray array,jshort * data,jboolean commit)168     static void Release(JNIEnv* _env, jshortArray array, jshort* data, jboolean commit) {
169         _env->ReleaseShortArrayElements(array, data, commit ? 0 : JNI_ABORT);
170     }
171 };
172 class IntArrayReleaser {
173 public:
Release(JNIEnv * _env,jintArray array,jint * data,jboolean commit)174     static void Release(JNIEnv* _env, jintArray array, jint* data, jboolean commit) {
175         _env->ReleaseIntArrayElements(array, data, commit ? 0 : JNI_ABORT);
176     }
177 };
178 class LongArrayReleaser {
179 public:
Release(JNIEnv * _env,jlongArray array,jlong * data,jboolean commit)180     static void Release(JNIEnv* _env, jlongArray array, jlong* data, jboolean commit) {
181         _env->ReleaseLongArrayElements(array, data, commit ? 0 : JNI_ABORT);
182     }
183 };
184 class FloatArrayReleaser {
185 public:
Release(JNIEnv * _env,jfloatArray array,jfloat * data,jboolean commit)186     static void Release(JNIEnv* _env, jfloatArray array, jfloat* data, jboolean commit) {
187         _env->ReleaseFloatArrayElements(array, data, commit ? 0 : JNI_ABORT);
188     }
189 };
190 class DoubleArrayReleaser {
191 public:
Release(JNIEnv * _env,jdoubleArray array,jdouble * data,jboolean commit)192     static void Release(JNIEnv* _env, jdoubleArray array, jdouble* data, jboolean commit) {
193         _env->ReleaseDoubleArrayElements(array, data, commit ? 0 : JNI_ABORT);
194     }
195 };
196 
197 template<typename JTYPEARRAY, typename NTYPEARRAY, typename ARRAYRELEASER>
198 static void
releaseArrayPointer(JNIEnv * _env,JTYPEARRAY array,NTYPEARRAY data,jboolean commit)199 releaseArrayPointer(JNIEnv *_env, JTYPEARRAY array, NTYPEARRAY data, jboolean commit) {
200     ARRAYRELEASER::Release(_env, array, data, commit);
201 }
202 
203 static void
releasePointer(JNIEnv * _env,jarray array,void * data,jboolean commit)204 releasePointer(JNIEnv *_env, jarray array, void *data, jboolean commit)
205 {
206     _env->ReleasePrimitiveArrayCritical(array, data,
207                        commit ? 0 : JNI_ABORT);
208 }
209 
210 static void *
getDirectBufferPointer(JNIEnv * _env,jobject buffer)211 getDirectBufferPointer(JNIEnv *_env, jobject buffer) {
212     jint position;
213     jint limit;
214     jint elementSizeShift;
215     jlong pointer;
216     pointer = jniGetNioBufferFields(_env, buffer, &position, &limit, &elementSizeShift);
217     if (pointer == 0) {
218         jniThrowException(_env, "java/lang/IllegalArgumentException",
219                           "Must use a native order direct Buffer");
220         return nullptr;
221     }
222     pointer += position << elementSizeShift;
223     return reinterpret_cast<void*>(pointer);
224 }
225 
226 // --------------------------------------------------------------------------
227 
228 /*
229  * returns the number of values glGet returns for a given pname.
230  *
231  * The code below is written such that pnames requiring only one values
232  * are the default (and are not explicitely tested for). This makes the
233  * checking code much shorter/readable/efficient.
234  *
235  * This means that unknown pnames (e.g.: extensions) will default to 1. If
236  * that unknown pname needs more than 1 value, then the validation check
237  * is incomplete and the app may crash if it passed the wrong number params.
238  */
getNeededCount(GLint pname)239 static int getNeededCount(GLint pname) {
240     int needed = 1;
241 #ifdef GL_ES_VERSION_3_0
242     // GLES 3.x pnames
243     switch (pname) {
244         case GL_MAX_VIEWPORT_DIMS:
245             needed = 2;
246             break;
247 
248         case GL_PROGRAM_BINARY_FORMATS:
249             glGetIntegerv(GL_NUM_PROGRAM_BINARY_FORMATS, &needed);
250             break;
251     }
252 #endif
253 
254 #ifdef GL_ES_VERSION_2_0
255     // GLES 2.x pnames
256     switch (pname) {
257         case GL_ALIASED_LINE_WIDTH_RANGE:
258         case GL_ALIASED_POINT_SIZE_RANGE:
259             needed = 2;
260             break;
261 
262         case GL_BLEND_COLOR:
263         case GL_COLOR_CLEAR_VALUE:
264         case GL_COLOR_WRITEMASK:
265         case GL_SCISSOR_BOX:
266         case GL_VIEWPORT:
267             needed = 4;
268             break;
269 
270         case GL_COMPRESSED_TEXTURE_FORMATS:
271             glGetIntegerv(GL_NUM_COMPRESSED_TEXTURE_FORMATS, &needed);
272             break;
273 
274         case GL_SHADER_BINARY_FORMATS:
275             glGetIntegerv(GL_NUM_SHADER_BINARY_FORMATS, &needed);
276             break;
277     }
278 #endif
279 
280 #ifdef GL_VERSION_ES_CM_1_1
281     // GLES 1.x pnames
282     switch (pname) {
283         case GL_ALIASED_LINE_WIDTH_RANGE:
284         case GL_ALIASED_POINT_SIZE_RANGE:
285         case GL_DEPTH_RANGE:
286         case GL_SMOOTH_LINE_WIDTH_RANGE:
287         case GL_SMOOTH_POINT_SIZE_RANGE:
288             needed = 2;
289             break;
290 
291         case GL_CURRENT_NORMAL:
292         case GL_POINT_DISTANCE_ATTENUATION:
293             needed = 3;
294             break;
295 
296         case GL_COLOR_CLEAR_VALUE:
297         case GL_COLOR_WRITEMASK:
298         case GL_CURRENT_COLOR:
299         case GL_CURRENT_TEXTURE_COORDS:
300         case GL_FOG_COLOR:
301         case GL_LIGHT_MODEL_AMBIENT:
302         case GL_SCISSOR_BOX:
303         case GL_VIEWPORT:
304             needed = 4;
305             break;
306 
307         case GL_MODELVIEW_MATRIX:
308         case GL_PROJECTION_MATRIX:
309         case GL_TEXTURE_MATRIX:
310             needed = 16;
311             break;
312 
313         case GL_COMPRESSED_TEXTURE_FORMATS:
314             glGetIntegerv(GL_NUM_COMPRESSED_TEXTURE_FORMATS, &needed);
315             break;
316     }
317 #endif
318     return needed;
319 }
320 
321 template <typename JTYPEARRAY, typename ARRAYGETTER, typename NTYPEARRAY,
322           typename ARRAYRELEASER, typename CTYPE, void GET(GLenum, CTYPE*)>
323 static void
get(JNIEnv * _env,jobject _this,jint pname,JTYPEARRAY params_ref,jint offset)324 get
325   (JNIEnv *_env, jobject _this, jint pname, JTYPEARRAY params_ref, jint offset) {
326     jint _exception = 0;
327     const char * _exceptionType;
328     const char * _exceptionMessage;
329     CTYPE *params_base = (CTYPE *) 0;
330     jint _remaining;
331     CTYPE *params = (CTYPE *) 0;
332     int _needed = 0;
333 
334     if (!params_ref) {
335         _exception = 1;
336         _exceptionType = "java/lang/IllegalArgumentException";
337         _exceptionMessage = "params == null";
338         goto exit;
339     }
340     if (offset < 0) {
341         _exception = 1;
342         _exceptionType = "java/lang/IllegalArgumentException";
343         _exceptionMessage = "offset < 0";
344         goto exit;
345     }
346     _remaining = _env->GetArrayLength(params_ref) - offset;
347     _needed = getNeededCount(pname);
348     // if we didn't find this pname, we just assume the user passed
349     // an array of the right size -- this might happen with extensions
350     // or if we forget an enum here.
351     if (_remaining < _needed) {
352         _exception = 1;
353         _exceptionType = "java/lang/IllegalArgumentException";
354         _exceptionMessage = "length - offset < needed";
355         goto exit;
356     }
357     params_base = (CTYPE *) getArrayPointer<JTYPEARRAY, ARRAYGETTER>(
358         _env, params_ref, (jboolean *)0);
359     params = params_base + offset;
360 
361     GET(
362         (GLenum)pname,
363         (CTYPE *)params
364     );
365 
366 exit:
367     if (params_base) {
368         releaseArrayPointer<JTYPEARRAY, NTYPEARRAY, ARRAYRELEASER>(
369             _env, params_ref, params_base, !_exception);
370     }
371     if (_exception) {
372         jniThrowException(_env, _exceptionType, _exceptionMessage);
373     }
374 }
375 
376 
377 template <typename CTYPE, typename JTYPEARRAY, typename ARRAYGETTER, typename NTYPEARRAY,
378           typename ARRAYRELEASER, void GET(GLenum, CTYPE*)>
379 static void
getarray(JNIEnv * _env,jobject _this,jint pname,jobject params_buf)380 getarray
381   (JNIEnv *_env, jobject _this, jint pname, jobject params_buf) {
382     jint _exception = 0;
383     const char * _exceptionType;
384     const char * _exceptionMessage;
385     JTYPEARRAY _array = (JTYPEARRAY) 0;
386     jint _bufferOffset = (jint) 0;
387     jint _remaining;
388     CTYPE *params = (CTYPE *) 0;
389     int _needed = 0;
390 
391     params = (CTYPE *)getPointer(_env, params_buf, (jarray*)&_array, &_remaining, &_bufferOffset);
392     _remaining /= sizeof(CTYPE);    // convert from bytes to item count
393     _needed = getNeededCount(pname);
394     // if we didn't find this pname, we just assume the user passed
395     // an array of the right size -- this might happen with extensions
396     // or if we forget an enum here.
397     if (_needed>0 && _remaining < _needed) {
398         _exception = 1;
399         _exceptionType = "java/lang/IllegalArgumentException";
400         _exceptionMessage = "remaining() < needed";
401         goto exit;
402     }
403     if (params == NULL) {
404         char * _paramsBase = (char *) getArrayPointer<JTYPEARRAY, ARRAYGETTER>(
405             _env, _array, (jboolean *) 0);
406         params = (CTYPE *) (_paramsBase + _bufferOffset);
407     }
408     GET(
409         (GLenum)pname,
410         (CTYPE *)params
411     );
412 
413 exit:
414     if (_array) {
415         releaseArrayPointer<JTYPEARRAY, NTYPEARRAY, ARRAYRELEASER>(
416             _env, _array, (NTYPEARRAY)params, _exception ? JNI_FALSE : JNI_TRUE);
417     }
418     if (_exception) {
419         jniThrowException(_env, _exceptionType, _exceptionMessage);
420     }
421 }
422 
423 // --------------------------------------------------------------------------
424 /* GLbitfield glQueryMatrixxOES ( GLfixed *mantissa, GLint *exponent ) */
425 static jint
android_glQueryMatrixxOES___3II_3II(JNIEnv * _env,jobject _this,jintArray mantissa_ref,jint mantissaOffset,jintArray exponent_ref,jint exponentOffset)426 android_glQueryMatrixxOES___3II_3II
427   (JNIEnv *_env, jobject _this, jintArray mantissa_ref, jint mantissaOffset, jintArray exponent_ref, jint exponentOffset) {
428     jint _exception = 0;
429     const char * _exceptionType = NULL;
430     const char * _exceptionMessage = NULL;
431     GLbitfield _returnValue = -1;
432     GLfixed *mantissa_base = (GLfixed *) 0;
433     jint _mantissaRemaining;
434     GLfixed *mantissa = (GLfixed *) 0;
435     GLint *exponent_base = (GLint *) 0;
436     jint _exponentRemaining;
437     GLint *exponent = (GLint *) 0;
438 
439     if (!mantissa_ref) {
440         _exception = 1;
441         _exceptionType = "java/lang/IllegalArgumentException";
442         _exceptionMessage = "mantissa == null";
443         goto exit;
444     }
445     if (mantissaOffset < 0) {
446         _exception = 1;
447         _exceptionType = "java/lang/IllegalArgumentException";
448         _exceptionMessage = "mantissaOffset < 0";
449         goto exit;
450     }
451     _mantissaRemaining = _env->GetArrayLength(mantissa_ref) - mantissaOffset;
452     if (_mantissaRemaining < 16) {
453         _exception = 1;
454         _exceptionType = "java/lang/IllegalArgumentException";
455         _exceptionMessage = "length - mantissaOffset < 16 < needed";
456         goto exit;
457     }
458     mantissa_base = (GLfixed *)
459         _env->GetIntArrayElements(mantissa_ref, (jboolean *)0);
460     mantissa = mantissa_base + mantissaOffset;
461 
462     if (!exponent_ref) {
463         _exception = 1;
464         _exceptionType = "java/lang/IllegalArgumentException";
465         _exceptionMessage = "exponent == null";
466         goto exit;
467     }
468     if (exponentOffset < 0) {
469         _exception = 1;
470         _exceptionType = "java/lang/IllegalArgumentException";
471         _exceptionMessage = "exponentOffset < 0";
472         goto exit;
473     }
474     _exponentRemaining = _env->GetArrayLength(exponent_ref) - exponentOffset;
475     if (_exponentRemaining < 16) {
476         _exception = 1;
477         _exceptionType = "java/lang/IllegalArgumentException";
478         _exceptionMessage = "length - exponentOffset < 16 < needed";
479         goto exit;
480     }
481     exponent_base = (GLint *)
482         _env->GetIntArrayElements(exponent_ref, (jboolean *)0);
483     exponent = exponent_base + exponentOffset;
484 
485     _returnValue = glQueryMatrixxOES(
486         (GLfixed *)mantissa,
487         (GLint *)exponent
488     );
489 
490 exit:
491     if (exponent_base) {
492         _env->ReleaseIntArrayElements(exponent_ref, (jint*)exponent_base,
493             _exception ? JNI_ABORT: 0);
494     }
495     if (mantissa_base) {
496         _env->ReleaseIntArrayElements(mantissa_ref, (jint*)mantissa_base,
497             _exception ? JNI_ABORT: 0);
498     }
499     if (_exception) {
500         jniThrowException(_env, _exceptionType, _exceptionMessage);
501         return (jint)0;
502     }
503     return (jint)_returnValue;
504 }
505 
506 /* GLbitfield glQueryMatrixxOES ( GLfixed *mantissa, GLint *exponent ) */
507 static jint
android_glQueryMatrixxOES__Ljava_nio_IntBuffer_2Ljava_nio_IntBuffer_2(JNIEnv * _env,jobject _this,jobject mantissa_buf,jobject exponent_buf)508 android_glQueryMatrixxOES__Ljava_nio_IntBuffer_2Ljava_nio_IntBuffer_2
509   (JNIEnv *_env, jobject _this, jobject mantissa_buf, jobject exponent_buf) {
510     jint _exception = 0;
511     const char * _exceptionType = NULL;
512     const char * _exceptionMessage = NULL;
513     jintArray _mantissaArray = (jintArray) 0;
514     jint _mantissaBufferOffset = (jint) 0;
515     jintArray _exponentArray = (jintArray) 0;
516     jint _exponentBufferOffset = (jint) 0;
517     GLbitfield _returnValue = -1;
518     jint _mantissaRemaining;
519     GLfixed *mantissa = (GLfixed *) 0;
520     jint _exponentRemaining;
521     GLint *exponent = (GLint *) 0;
522 
523     if (!mantissa_buf) {
524         _exception = 1;
525         _exceptionType = "java/lang/IllegalArgumentException";
526         _exceptionMessage = "mantissa == null";
527         goto exit;
528     }
529     mantissa = (GLfixed *)getPointer(_env, mantissa_buf, (jarray*)&_mantissaArray, &_mantissaRemaining, &_mantissaBufferOffset);
530     if (_mantissaRemaining < 16) {
531         _exception = 1;
532         _exceptionType = "java/lang/IllegalArgumentException";
533         _exceptionMessage = "remaining() < 16 < needed";
534         goto exit;
535     }
536     if (!exponent_buf) {
537         _exception = 1;
538         _exceptionType = "java/lang/IllegalArgumentException";
539         _exceptionMessage = "exponent == null";
540         goto exit;
541     }
542     exponent = (GLint *)getPointer(_env, exponent_buf, (jarray*)&_exponentArray, &_exponentRemaining, &_exponentBufferOffset);
543     if (_exponentRemaining < 16) {
544         _exception = 1;
545         _exceptionType = "java/lang/IllegalArgumentException";
546         _exceptionMessage = "remaining() < 16 < needed";
547         goto exit;
548     }
549     if (mantissa == NULL) {
550         char * _mantissaBase = (char *)_env->GetIntArrayElements(_mantissaArray, (jboolean *) 0);
551         mantissa = (GLfixed *) (_mantissaBase + _mantissaBufferOffset);
552     }
553     if (exponent == NULL) {
554         char * _exponentBase = (char *)_env->GetIntArrayElements(_exponentArray, (jboolean *) 0);
555         exponent = (GLint *) (_exponentBase + _exponentBufferOffset);
556     }
557     _returnValue = glQueryMatrixxOES(
558         (GLfixed *)mantissa,
559         (GLint *)exponent
560     );
561 
562 exit:
563     if (_exponentArray) {
564         _env->ReleaseIntArrayElements(_exponentArray, (jint*)exponent, _exception ? JNI_ABORT : 0);
565     }
566     if (_mantissaArray) {
567         _env->ReleaseIntArrayElements(_mantissaArray, (jint*)mantissa, _exception ? JNI_ABORT : 0);
568     }
569     if (_exception) {
570         jniThrowException(_env, _exceptionType, _exceptionMessage);
571         return (jint)0;
572     }
573     return (jint)_returnValue;
574 }
575 
576 static const char *classPathName = "android/opengl/GLES10Ext";
577 
578 static const JNINativeMethod methods[] = {
579 {"_nativeClassInit", "()V", (void*)nativeClassInit },
580 {"glQueryMatrixxOES", "([II[II)I", (void *) android_glQueryMatrixxOES___3II_3II },
581 {"glQueryMatrixxOES", "(Ljava/nio/IntBuffer;Ljava/nio/IntBuffer;)I", (void *) android_glQueryMatrixxOES__Ljava_nio_IntBuffer_2Ljava_nio_IntBuffer_2 },
582 };
583 
register_android_opengl_jni_GLES10Ext(JNIEnv * _env)584 int register_android_opengl_jni_GLES10Ext(JNIEnv *_env)
585 {
586     int err;
587     err = android::AndroidRuntime::registerNativeMethods(_env, classPathName, methods, NELEM(methods));
588     return err;
589 }
590