1 /* void glTransformFeedbackVaryings ( GLuint program, GLsizei count, const GLchar *varyings, GLenum bufferMode ) */
2 static
3 void
android_glTransformFeedbackVaryings(JNIEnv * _env,jobject _this,jint program,jobjectArray varyings_ref,jint bufferMode)4 android_glTransformFeedbackVaryings
5 (JNIEnv *_env, jobject _this, jint program, jobjectArray varyings_ref, jint bufferMode) {
6 jint _exception = 0;
7 const char* _exceptionType = NULL;
8 const char* _exceptionMessage = NULL;
9 jint _count = 0, _i;
10 const char** _varyings = NULL;
11 const char* _varying = NULL;
12
13 if (!varyings_ref) {
14 _exception = 1;
15 _exceptionType = "java/lang/IllegalArgumentException";
16 _exceptionMessage = "varyings == null";
17 goto exit;
18 }
19
20 _count = _env->GetArrayLength(varyings_ref);
21 _varyings = (const char**)calloc(_count, sizeof(const char*));
22 for (_i = 0; _i < _count; _i++) {
23 jstring _varying = (jstring)_env->GetObjectArrayElement(varyings_ref, _i);
24 if (!_varying) {
25 _exception = 1;
26 _exceptionType = "java/lang/IllegalArgumentException";
27 _exceptionMessage = "null varyings element";
28 goto exit;
29 }
30 _varyings[_i] = _env->GetStringUTFChars(_varying, 0);
31 }
32
33 glTransformFeedbackVaryings(program, _count, _varyings, bufferMode);
34
35 exit:
36 for (_i = _count - 1; _i >= 0; _i--) {
37 if (_varyings[_i]) {
38 jstring _varying = (jstring)_env->GetObjectArrayElement(varyings_ref, _i);
39 if (_varying) {
40 _env->ReleaseStringUTFChars(_varying, _varyings[_i]);
41 }
42 }
43 }
44 free(_varyings);
45 if (_exception) {
46 jniThrowException(_env, _exceptionType, _exceptionMessage);
47 }
48 }
49
50