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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
#include <string.h>
/* We expect glXGetProcAddressARB to be defined */
extern void (*glXGetProcAddressARB(const GLubyte *procname))();
/**
* Java->C glue code:
* Java package: jogamp.opengl.x11.glx.GLX
* Java method: int glXGetFBConfigAttributes(long dpy, long config, IntBuffer attributes, IntBuffer values)
*/
JNIEXPORT jint JNICALL
Java_jogamp_opengl_x11_glx_GLX_dispatch_1glXGetFBConfigAttributes(JNIEnv *env, jclass _unused, jlong dpy, jlong config, jint attributeCount, jobject attributes, jint attributes_byte_offset, jobject values, jint values_byte_offset, jlong procAddress) {
typedef int (APIENTRY*_local_PFNGLXGETFBCONFIGATTRIBPROC)(Display * dpy, GLXFBConfig config, int attribute, int * value);
_local_PFNGLXGETFBCONFIGATTRIBPROC ptr_glXGetFBConfigAttrib = (_local_PFNGLXGETFBCONFIGATTRIBPROC) (intptr_t) procAddress;
assert(ptr_glXGetFBConfigAttrib != NULL);
int err = 0;
if ( attributeCount > 0 && NULL != attributes ) {
int i;
int * attributes_ptr = (int *) (((char*) (*env)->GetDirectBufferAddress(env, attributes)) + attributes_byte_offset);
int * values_ptr = (int *) (((char*) (*env)->GetDirectBufferAddress(env, values)) + values_byte_offset);
for(i=0; 0 == err && i<attributeCount; i++) {
err = (* ptr_glXGetFBConfigAttrib) ((Display *) (intptr_t) dpy, (GLXFBConfig) (intptr_t) config, attributes_ptr[i], &values_ptr[i]);
}
if( 0 != err ) {
values_ptr[0] = i;
}
}
return (jint)err;
}
/* Java->C glue code:
* Java package: jogamp.opengl.x11.glx.GLX
* Java method: XVisualInfo glXGetVisualFromFBConfig(long dpy, long config)
* C function: XVisualInfo * glXGetVisualFromFBConfig(Display * dpy, GLXFBConfig config);
*/
JNIEXPORT jobject JNICALL
Java_jogamp_opengl_x11_glx_GLX_dispatch_1glXGetVisualFromFBConfig(JNIEnv *env, jclass _unused, jlong dpy, jlong config, jlong procAddress) {
typedef XVisualInfo* (APIENTRY*_local_PFNGLXGETVISUALFROMFBCONFIG)(Display * dpy, GLXFBConfig config);
_local_PFNGLXGETVISUALFROMFBCONFIG ptr_glXGetVisualFromFBConfig;
XVisualInfo * _res;
jobject jbyteCopy;
ptr_glXGetVisualFromFBConfig = (_local_PFNGLXGETVISUALFROMFBCONFIG) (intptr_t) procAddress;
assert(ptr_glXGetVisualFromFBConfig != NULL);
_res = (* ptr_glXGetVisualFromFBConfig) ((Display *) (intptr_t) dpy, (GLXFBConfig) (intptr_t) config);
if (_res == NULL) return NULL;
jbyteCopy = JVMUtil_NewDirectByteBufferCopy(env, _res, sizeof(XVisualInfo));
XFree(_res);
return jbyteCopy;
}
/* Java->C glue code:
* Java package: jogamp.opengl.x11.glx.GLX
* Java method: com.jogamp.common.nio.PointerBuffer dispatch_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_jogamp_opengl_x11_glx_GLX_dispatch_1glXChooseFBConfig(JNIEnv *env, jclass _unused, jlong dpy, jint screen, jobject attribList, jint attribList_byte_offset, jobject nitems, jint nitems_byte_offset, jlong procAddress) {
typedef GLXFBConfig * (APIENTRY*_local_PFNGLXCHOOSEFBCONFIGPROC)(Display * dpy, int screen, const int * attribList, int * nitems);
_local_PFNGLXCHOOSEFBCONFIGPROC ptr_glXChooseFBConfig;
int * _attribList_ptr = NULL;
int * _nitems_ptr = NULL;
GLXFBConfig * _res;
int count, i;
jobject jbyteCopy;
if ( NULL != attribList ) {
_attribList_ptr = (int *) (((char*) (*env)->GetDirectBufferAddress(env, attribList)) + attribList_byte_offset);
}
if ( NULL != nitems ) {
_nitems_ptr = (int *) (((char*) (*env)->GetDirectBufferAddress(env, nitems)) + nitems_byte_offset);
}
ptr_glXChooseFBConfig = (_local_PFNGLXCHOOSEFBCONFIGPROC) (intptr_t) procAddress;
assert(ptr_glXChooseFBConfig != NULL);
_res = (* ptr_glXChooseFBConfig) ((Display *) (intptr_t) dpy, (int) screen, (int *) _attribList_ptr, (int *) _nitems_ptr);
count = _nitems_ptr[0];
if (NULL == _res) return NULL;
/**
* Bug 961: Validate returned 'GLXFBConfig *', i.e. remove NULL pointer.
* Note: sizeof(GLXFBConfig) == sizeof(void*), a.k.a a pointer
*/
// fprintf(stderr, "glXChooseFBConfig.0: Count %d\n", count);
i=0;
while( i < count ) {
if( NULL == _res[i] ) {
if( 0 < count-i-1 ) {
memmove(_res+i, _res+i+1, (count-i-1)*sizeof(GLXFBConfig));
}
count--;
} else {
i++;
}
}
// fprintf(stderr, "glXChooseFBConfig.X: Count %d\n", count);
jbyteCopy = JVMUtil_NewDirectByteBufferCopy(env, _res, count * sizeof(GLXFBConfig));
XFree(_res);
return jbyteCopy;
}
/* Java->C glue code:
* Java package: jogamp.opengl.x11.glx.GLX
* Java method: com.jogamp.common.nio.PointerBuffer dispatch_glXGetFBConfigs(long dpy, int screen, java.nio.IntBuffer nelements)
* C function: GLXFBConfig * glXGetFBConfigs(Display * dpy, int screen, int * nelements);
*/
JNIEXPORT jobject JNICALL
Java_jogamp_opengl_x11_glx_GLX_dispatch_1glXGetFBConfigs(JNIEnv *env, jclass _unused, jlong dpy, jint screen, jobject nelements, jint nelements_byte_offset, jlong procAddress) {
typedef GLXFBConfig * (APIENTRY*_local_PFNGLXGETFBCONFIGSPROC)(Display * dpy, int screen, int * nelements);
_local_PFNGLXGETFBCONFIGSPROC ptr_glXGetFBConfigs;
int * _nelements_ptr = NULL;
GLXFBConfig * _res;
int count, i;
jobject jbyteCopy;
if ( NULL != nelements ) {
_nelements_ptr = (int *) (((char*) (*env)->GetDirectBufferAddress(env, nelements)) + nelements_byte_offset);
}
ptr_glXGetFBConfigs = (_local_PFNGLXGETFBCONFIGSPROC) (intptr_t) procAddress;
assert(ptr_glXGetFBConfigs != NULL);
_res = (* ptr_glXGetFBConfigs) ((Display *) (intptr_t) dpy, (int) screen, (int *) _nelements_ptr);
count = _nelements_ptr[0];
if (NULL == _res) return NULL;
/**
* Bug 961: Validate returned 'GLXFBConfig *', i.e. remove NULL pointer.
* Note: sizeof(GLXFBConfig) == sizeof(void*), a.k.a a pointer
*/
i=0;
while( i < count ) {
if( NULL == _res[i] ) {
if( 0 < count-i-1 ) {
memmove(_res+i, _res+i+1, (count-i-1)*sizeof(GLXFBConfig));
}
count--;
} else {
i++;
}
}
jbyteCopy = JVMUtil_NewDirectByteBufferCopy(env, _res, count * sizeof(GLXFBConfig));
XFree(_res);
return jbyteCopy;
}
/* Java->C glue code:
* Java package: jogamp.opengl.x11.glx.GLX
* Java method: XVisualInfo dispatch_glXChooseVisual(long dpy, int screen, java.nio.IntBuffer attribList)
* C function: XVisualInfo * glXChooseVisual(Display * dpy, int screen, int * attribList);
*/
JNIEXPORT jobject JNICALL
Java_jogamp_opengl_x11_glx_GLX_dispatch_1glXChooseVisual(JNIEnv *env, jclass _unused, jlong dpy, jint screen, jobject attribList, jint attribList_byte_offset, jlong procAddress) {
typedef XVisualInfo * (APIENTRY*_local_PFNGLXCHOOSEVISUALPROC)(Display * dpy, int screen, int * attribList);
_local_PFNGLXCHOOSEVISUALPROC ptr_glXChooseVisual;
int * _attribList_ptr = NULL;
XVisualInfo * _res;
jobject jbyteCopy;
if ( NULL != attribList ) {
_attribList_ptr = (int *) (((char*) (*env)->GetDirectBufferAddress(env, attribList)) + attribList_byte_offset);
}
ptr_glXChooseVisual = (_local_PFNGLXCHOOSEVISUALPROC) (intptr_t) procAddress;
assert(ptr_glXChooseVisual != NULL);
_res = (* ptr_glXChooseVisual) ((Display *) (intptr_t) dpy, (int) screen, (int *) _attribList_ptr);
if (NULL == _res) return NULL;
jbyteCopy = JVMUtil_NewDirectByteBufferCopy(env, _res, sizeof(XVisualInfo));
XFree(_res);
return jbyteCopy;
}
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