1 /* void glGetShaderSource ( GLuint shader, GLsizei bufsize, GLsizei *length, char *source ) */
2 static void
android_glGetShaderSource__II_3II_3BI(JNIEnv * _env,jobject _this,jint shader,jint bufsize,jintArray length_ref,jint lengthOffset,jbyteArray source_ref,jint sourceOffset)3 android_glGetShaderSource__II_3II_3BI
4 (JNIEnv *_env, jobject _this, jint shader, jint bufsize, jintArray length_ref, jint lengthOffset, jbyteArray source_ref, jint sourceOffset) {
5 jint _exception = 0;
6 const char * _exceptionType;
7 const char * _exceptionMessage;
8 GLsizei *length_base = (GLsizei *) 0;
9 jint _lengthRemaining;
10 GLsizei *length = (GLsizei *) 0;
11 char *source_base = (char *) 0;
12 jint _sourceRemaining;
13 char *source = (char *) 0;
14
15 if (length_ref) {
16 if (lengthOffset < 0) {
17 _exception = 1;
18 _exceptionType = "java/lang/IllegalArgumentException";
19 _exceptionMessage = "lengthOffset < 0";
20 goto exit;
21 }
22 _lengthRemaining = _env->GetArrayLength(length_ref) - lengthOffset;
23 length_base = (GLsizei *)
24 _env->GetIntArrayElements(length_ref, (jboolean *)0);
25 length = length_base + lengthOffset;
26 }
27
28 if (!source_ref) {
29 _exception = 1;
30 _exceptionType = "java/lang/IllegalArgumentException";
31 _exceptionMessage = "source == null";
32 goto exit;
33 }
34 if (sourceOffset < 0) {
35 _exception = 1;
36 _exceptionType = "java/lang/IllegalArgumentException";
37 _exceptionMessage = "sourceOffset < 0";
38 goto exit;
39 }
40 _sourceRemaining = _env->GetArrayLength(source_ref) - sourceOffset;
41 source_base = (char *)
42 _env->GetByteArrayElements(source_ref, (jboolean *)0);
43 source = source_base + sourceOffset;
44
45 glGetShaderSource(
46 (GLuint)shader,
47 (GLsizei)bufsize,
48 (GLsizei *)length,
49 (char *)source
50 );
51
52 exit:
53 if (source_base) {
54 _env->ReleaseByteArrayElements(source_ref, (jbyte*)source_base,
55 _exception ? JNI_ABORT: 0);
56 }
57 if (length_base) {
58 _env->ReleaseIntArrayElements(length_ref, (jint*)length_base,
59 _exception ? JNI_ABORT: 0);
60 }
61 if (_exception) {
62 jniThrowException(_env, _exceptionType, _exceptionMessage);
63 }
64 }
65
66 /* void glGetShaderSource ( GLuint shader, GLsizei bufsize, GLsizei *length, char *source ) */
67 static void
android_glGetShaderSource__IILjava_nio_IntBuffer_2B(JNIEnv * _env,jobject _this,jint shader,jint bufsize,jobject length_buf,jbyte source)68 android_glGetShaderSource__IILjava_nio_IntBuffer_2B
69 (JNIEnv *_env, jobject _this, jint shader, jint bufsize, jobject length_buf, jbyte source) {
70 jintArray _array = (jintArray) 0;
71 jint _bufferOffset = (jint) 0;
72 jint _remaining;
73 GLsizei *length = (GLsizei *) 0;
74
75 length = (GLsizei *)getPointer(_env, length_buf, (jarray*)&_array, &_remaining, &_bufferOffset);
76 if (length == NULL) {
77 char * _lengthBase = (char *)_env->GetIntArrayElements(_array, (jboolean *) 0);
78 length = (GLsizei *) (_lengthBase + _bufferOffset);
79 }
80 glGetShaderSource(
81 (GLuint)shader,
82 (GLsizei)bufsize,
83 (GLsizei *)length,
84 reinterpret_cast<char *>(source)
85 );
86 if (_array) {
87 releaseArrayPointer<jintArray, jint*, IntArrayReleaser>(_env, _array, (jint*)length, JNI_TRUE);
88 }
89 }
90
91 /* void glGetShaderSource ( GLuint shader, GLsizei bufsize, GLsizei *length, char *source ) */
android_glGetShaderSource(JNIEnv * _env,jobject,jint shader)92 static jstring android_glGetShaderSource(JNIEnv *_env, jobject, jint shader) {
93 GLint shaderLen = 0;
94 glGetShaderiv((GLuint)shader, GL_SHADER_SOURCE_LENGTH, &shaderLen);
95 if (!shaderLen) {
96 return _env->NewStringUTF("");
97 }
98 char* buf = (char*) malloc(shaderLen);
99 if (buf == NULL) {
100 jniThrowException(_env, "java/lang/IllegalArgumentException", "out of memory");
101 return NULL;
102 }
103 glGetShaderSource(shader, shaderLen, NULL, buf);
104 jstring result = _env->NewStringUTF(buf);
105 free(buf);
106 return result;
107 }
108