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#include <inttypes.h>
#include <X11/Xlib.h>
#include <X11/Xutil.h>
#include <GL/glx.h>
/* Linux headers don't work properly */
#define __USE_GNU
#include <dlfcn.h>
#undef __USE_GNU
/* HP-UX doesn't define RTLD_DEFAULT. */
#if defined(_HPUX) && !defined(RTLD_DEFAULT)
#define RTLD_DEFAULT NULL
#endif
/* We expect glXGetProcAddressARB to be defined */
extern void (*glXGetProcAddressARB(const GLubyte *procname))();
static const char * clazzNameInternalBufferUtil = "com/sun/opengl/impl/InternalBufferUtil";
static const char * clazzNameInternalBufferUtilStaticCstrName = "copyByteBuffer";
static const char * clazzNameInternalBufferUtilStaticCstrSignature = "(Ljava/nio/ByteBuffer;)Ljava/nio/ByteBuffer;";
static const char * clazzNameByteBuffer = "java/nio/ByteBuffer";
static jclass clazzInternalBufferUtil = NULL;
static jmethodID cstrInternalBufferUtil = NULL;
static jclass clazzByteBuffer = NULL;
static void _initClazzAccess(JNIEnv *env) {
if(NULL!=cstrInternalBufferUtil) return ;
jclass c = (*env)->FindClass(env, clazzNameInternalBufferUtil);
if(NULL==c) {
fprintf(stderr, "FatalError: Java_com_sun_opengl_impl_x11_glx_GLX: can't find %s\n", clazzNameInternalBufferUtil);
(*env)->FatalError(env, clazzNameInternalBufferUtil);
}
clazzInternalBufferUtil = (jclass)(*env)->NewGlobalRef(env, c);
if(NULL==clazzInternalBufferUtil) {
fprintf(stderr, "FatalError: Java_com_sun_opengl_impl_x11_glx_GLX: can't use %s\n", clazzNameInternalBufferUtil);
(*env)->FatalError(env, clazzNameInternalBufferUtil);
}
c = (*env)->FindClass(env, clazzNameByteBuffer);
if(NULL==c) {
fprintf(stderr, "FatalError: Java_com_sun_opengl_impl_x11_glx_GLX: can't find %s\n", clazzNameByteBuffer);
(*env)->FatalError(env, clazzNameByteBuffer);
}
clazzByteBuffer = (jclass)(*env)->NewGlobalRef(env, c);
if(NULL==c) {
fprintf(stderr, "FatalError: Java_com_sun_opengl_impl_x11_glx_GLX: can't use %s\n", clazzNameByteBuffer);
(*env)->FatalError(env, clazzNameByteBuffer);
}
cstrInternalBufferUtil = (*env)->GetStaticMethodID(env, clazzInternalBufferUtil,
clazzNameInternalBufferUtilStaticCstrName, clazzNameInternalBufferUtilStaticCstrSignature);
if(NULL==cstrInternalBufferUtil) {
fprintf(stderr, "FatalError: Java_com_sun_opengl_impl_x11_glx_GLX:: can't create %s.%s %s\n",
clazzNameInternalBufferUtil,
clazzNameInternalBufferUtilStaticCstrName, clazzNameInternalBufferUtilStaticCstrSignature);
(*env)->FatalError(env, clazzNameInternalBufferUtilStaticCstrName);
}
}
/* Java->C glue code:
* Java package: com.sun.opengl.impl.x11.glx.GLX
* Java method: XVisualInfo glXGetVisualFromFBConfig(long dpy, long config)
* C function: XVisualInfo * glXGetVisualFromFBConfig(Display * dpy, GLXFBConfig config);
*/
JNIEXPORT jobject JNICALL
Java_com_sun_opengl_impl_x11_glx_GLX_glXGetVisualFromFBConfigCopied0__JJ(JNIEnv *env, jclass _unused, jlong dpy, jlong config) {
XVisualInfo * _res;
_res = glXGetVisualFromFBConfig((Display *) (intptr_t) dpy, (GLXFBConfig) (intptr_t) config);
if (_res == NULL) return NULL;
_initClazzAccess(env);
jobject jbyteSource = (*env)->NewDirectByteBuffer(env, _res, sizeof(XVisualInfo));
jobject jbyteCopy = (*env)->CallStaticObjectMethod(env,
clazzInternalBufferUtil, cstrInternalBufferUtil, jbyteSource);
// FIXME: remove reference/gc jbyteSource ??
XFree(_res);
return jbyteCopy;
}
/* Java->C glue code:
* Java package: com.sun.opengl.impl.x11.glx.GLX
* Java method: java.nio.LongBuffer glXChooseFBConfig(long dpy, int screen, java.nio.IntBuffer attribList, java.nio.IntBuffer nitems)
* C function: GLXFBConfig * glXChooseFBConfig(Display * dpy, int screen, const int * attribList, int * nitems);
*/
JNIEXPORT jobject JNICALL
Java_com_sun_opengl_impl_x11_glx_GLX_glXChooseFBConfigCopied1__JILjava_lang_Object_2ILjava_lang_Object_2I(JNIEnv *env, jclass _unused, jlong dpy, jint screen, jobject attribList, jint attribList_byte_offset, jobject nitems, jint nitems_byte_offset) {
int * _ptr2 = NULL;
int * _ptr3 = NULL;
GLXFBConfig * _res;
int count;
if (attribList != NULL) {
_ptr2 = (int *) (((char*) (*env)->GetPrimitiveArrayCritical(env, attribList, NULL)) + attribList_byte_offset);
}
if (nitems != NULL) {
_ptr3 = (int *) (((char*) (*env)->GetPrimitiveArrayCritical(env, nitems, NULL)) + nitems_byte_offset);
}
_res = glXChooseFBConfig((Display *) (intptr_t) dpy, (int) screen, (int *) _ptr2, (int *) _ptr3);
count = _ptr3[0];
if (attribList != NULL) {
(*env)->ReleasePrimitiveArrayCritical(env, attribList, _ptr2, 0);
}
if (nitems != NULL) {
(*env)->ReleasePrimitiveArrayCritical(env, nitems, _ptr3, 0);
}
if (_res == NULL) return NULL;
_initClazzAccess(env);
jobject jbyteSource = (*env)->NewDirectByteBuffer(env, _res, count * sizeof(GLXFBConfig));
jobject jbyteCopy = (*env)->CallStaticObjectMethod(env,
clazzInternalBufferUtil, cstrInternalBufferUtil, jbyteSource);
// FIXME: remove reference/gc jbyteSource ??
XFree(_res);
return jbyteCopy;
}
/* Java->C glue code:
* Java package: com.sun.opengl.impl.x11.glx.GLX
* Java method: XVisualInfo glXChooseVisual(long dpy, int screen, java.nio.IntBuffer attribList)
* C function: XVisualInfo * glXChooseVisual(Display * dpy, int screen, int * attribList);
*/
JNIEXPORT jobject JNICALL
Java_com_sun_opengl_impl_x11_glx_GLX_glXChooseVisualCopied1__JILjava_lang_Object_2I(JNIEnv *env, jclass _unused, jlong dpy, jint screen, jobject attribList, jint attribList_byte_offset) {
int * _ptr2 = NULL;
XVisualInfo * _res;
if (attribList != NULL) {
_ptr2 = (int *) (((char*) (*env)->GetPrimitiveArrayCritical(env, attribList, NULL)) + attribList_byte_offset);
}
_res = glXChooseVisual((Display *) (intptr_t) dpy, (int) screen, (int *) _ptr2);
if (attribList != NULL) {
(*env)->ReleasePrimitiveArrayCritical(env, attribList, _ptr2, 0);
}
if (_res == NULL) return NULL;
_initClazzAccess(env);
jobject jbyteSource = (*env)->NewDirectByteBuffer(env, _res, sizeof(XVisualInfo));
jobject jbyteCopy = (*env)->CallStaticObjectMethod(env,
clazzInternalBufferUtil, cstrInternalBufferUtil, jbyteSource);
// FIXME: remove reference/gc jbyteSource ??
XFree(_res);
return jbyteCopy;
}
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