1 files changed, 167 insertions, 0 deletions
diff --git a/make/config/jogl/glx-CustomCCode.c b/make/config/jogl/glx-CustomCCode.c
new file mode 100644
index 000000000..dec3f4583
--- /dev/null
+++ b/make/config/jogl/glx-CustomCCode.c
@@ -0,0 +1,167 @@
+#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 * clazzNameBuffers = "com/jogamp/common/nio/Buffers";
+static const char * clazzNameBuffersStaticCstrName = "copyByteBuffer";
+static const char * clazzNameBuffersStaticCstrSignature = "(Ljava/nio/ByteBuffer;)Ljava/nio/ByteBuffer;";
+static const char * clazzNameByteBuffer = "java/nio/ByteBuffer";
+static jclass clazzBuffers = NULL;
+static jmethodID cstrBuffers = NULL;
+static jclass clazzByteBuffer = NULL;
+
+static void _initClazzAccess(JNIEnv *env) {
+    jclass c;
+
+    if(NULL!=cstrBuffers) return ;
+
+    c = (*env)->FindClass(env, clazzNameBuffers);
+    if(NULL==c) {
+        fprintf(stderr, "FatalError: Java_com_jogamp_opengl_impl_x11_glx_GLX: can't find %s\n", clazzNameBuffers);
+        (*env)->FatalError(env, clazzNameBuffers);
+    }
+    clazzBuffers = (jclass)(*env)->NewGlobalRef(env, c);
+    if(NULL==clazzBuffers) {
+        fprintf(stderr, "FatalError: Java_com_jogamp_opengl_impl_x11_glx_GLX: can't use %s\n", clazzNameBuffers);
+        (*env)->FatalError(env, clazzNameBuffers);
+    }
+    c = (*env)->FindClass(env, clazzNameByteBuffer);
+    if(NULL==c) {
+        fprintf(stderr, "FatalError: Java_com_jogamp_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_jogamp_opengl_impl_x11_glx_GLX: can't use %s\n", clazzNameByteBuffer);
+        (*env)->FatalError(env, clazzNameByteBuffer);
+    }
+
+    cstrBuffers = (*env)->GetStaticMethodID(env, clazzBuffers, 
+                            clazzNameBuffersStaticCstrName, clazzNameBuffersStaticCstrSignature);
+    if(NULL==cstrBuffers) {
+        fprintf(stderr, "FatalError: Java_com_jogamp_opengl_impl_x11_glx_GLX:: can't create %s.%s %s\n",
+            clazzNameBuffers,
+            clazzNameBuffersStaticCstrName, clazzNameBuffersStaticCstrSignature);
+        (*env)->FatalError(env, clazzNameBuffersStaticCstrName);
+    }
+}
+
+/*   Java->C glue code:
+ *   Java package: com.jogamp.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_jogamp_opengl_impl_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 jbyteSource;
+  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;
+
+  _initClazzAccess(env);
+
+  jbyteSource = (*env)->NewDirectByteBuffer(env, _res, sizeof(XVisualInfo));
+  jbyteCopy   = (*env)->CallStaticObjectMethod(env, clazzBuffers, cstrBuffers, jbyteSource);
+
+  (*env)->DeleteLocalRef(env, jbyteSource);
+  XFree(_res);
+
+  return jbyteCopy;
+}
+
+/*   Java->C glue code:
+ *   Java package: com.jogamp.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_jogamp_opengl_impl_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_PFNGLXCHOOSEFBCONFIG)(Display *  dpy, int screen, const int *  attribList, int *  nitems);
+  _local_PFNGLXCHOOSEFBCONFIG ptr_glXChooseFBConfig;
+  int * _ptr2 = NULL;
+  int * _ptr3 = NULL;
+  GLXFBConfig *  _res;
+  int count;
+  jobject jbyteSource;
+  jobject jbyteCopy;
+  ptr_glXChooseFBConfig = (_local_PFNGLXCHOOSEFBCONFIG) (intptr_t) procAddress;
+  assert(ptr_glXChooseFBConfig != NULL);
+  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 = (*ptr_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);
+
+  jbyteSource = (*env)->NewDirectByteBuffer(env, _res, count * sizeof(GLXFBConfig));
+  jbyteCopy   = (*env)->CallStaticObjectMethod(env, clazzBuffers, cstrBuffers, jbyteSource);
+  (*env)->DeleteLocalRef(env, jbyteSource);
+  XFree(_res);
+
+  return jbyteCopy;
+}
+
+/*   Java->C glue code:
+ *   Java package: com.jogamp.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_jogamp_opengl_impl_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_PFNGLXCHOOSEVISUAL)(Display *  dpy, int screen, int *  attribList);
+  _local_PFNGLXCHOOSEVISUAL ptr_glXChooseVisual;
+  int * _ptr2 = NULL;
+  XVisualInfo *  _res;
+  jobject jbyteSource;
+  jobject jbyteCopy;
+  ptr_glXChooseVisual = (_local_PFNGLXCHOOSEVISUAL) (intptr_t) procAddress;
+  assert(ptr_glXChooseVisual != NULL);
+  if (attribList != NULL) {
+    _ptr2 = (int *) (((char*) (*env)->GetPrimitiveArrayCritical(env, attribList, NULL)) + attribList_byte_offset);
+  }
+  _res = (*ptr_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);
+
+  jbyteSource = (*env)->NewDirectByteBuffer(env, _res, sizeof(XVisualInfo));
+  jbyteCopy   = (*env)->CallStaticObjectMethod(env, clazzBuffers, cstrBuffers, jbyteSource);
+
+  (*env)->DeleteLocalRef(env, jbyteSource);
+  XFree(_res);
+
+  return jbyteCopy;
+}
+