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#include "jogamp_opengl_GLContextImpl.h"
#include "JoglCommon.h"
#include <assert.h>
#include <KHR/khrplatform.h>
static const char * const ClazzNameRuntimeException = "java/lang/RuntimeException";
static jclass runtimeExceptionClz=NULL;
void JoglCommon_FatalError(JNIEnv *env, const char* msg, ...)
{
char buffer[512];
va_list ap;
va_start(ap, msg);
vsnprintf(buffer, sizeof(buffer), msg, ap);
va_end(ap);
fprintf(stderr, "%s\n", buffer);
(*env)->FatalError(env, buffer);
}
void JoglCommon_throwNewRuntimeException(JNIEnv *env, const char* msg, ...)
{
char buffer[512];
va_list ap;
va_start(ap, msg);
vsnprintf(buffer, sizeof(buffer), msg, ap);
va_end(ap);
(*env)->ThrowNew(env, runtimeExceptionClz, buffer);
}
void JoglCommon_init(JNIEnv *env) {
if(NULL==runtimeExceptionClz) {
jclass c = (*env)->FindClass(env, ClazzNameRuntimeException);
if(NULL==c) {
JoglCommon_FatalError(env, "JOGL: can't find %s", ClazzNameRuntimeException);
}
runtimeExceptionClz = (jclass)(*env)->NewGlobalRef(env, c);
(*env)->DeleteLocalRef(env, c);
if(NULL==runtimeExceptionClz) {
JoglCommon_FatalError(env, "JOGL: can't use %s", ClazzNameRuntimeException);
}
}
}
jchar* JoglCommon_GetNullTerminatedStringChars(JNIEnv* env, jstring str)
{
jchar* strChars = NULL;
strChars = calloc((*env)->GetStringLength(env, str) + 1, sizeof(jchar));
if (strChars != NULL) {
(*env)->GetStringRegion(env, str, 0, (*env)->GetStringLength(env, str), strChars);
}
return strChars;
}
/*
* Class: jogamp_opengl_GLContextImpl
* Method: glGetStringInt
* Signature: (IJ)Ljava/lang/String;
*/
JNIEXPORT jstring JNICALL
Java_jogamp_opengl_GLContextImpl_glGetStringInt(JNIEnv *env, jclass _unused, jint name, jlong procAddress) {
typedef const khronos_uint8_t * (KHRONOS_APIENTRY*_local_PFNGLGETSTRINGPROC)(unsigned int name);
_local_PFNGLGETSTRINGPROC ptr_glGetString;
const khronos_uint8_t * _res;
ptr_glGetString = (_local_PFNGLGETSTRINGPROC) (intptr_t) procAddress;
assert(ptr_glGetString != NULL);
_res = (* ptr_glGetString) ((unsigned int) name);
if (NULL == _res) return NULL;
return (*env)->NewStringUTF(env, _res);
}
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