1 files changed, 165 insertions, 0 deletions
diff --git a/make/config/nativewindow/x11-CustomCCode.c b/make/config/nativewindow/x11-CustomCCode.c
new file mode 100755
index 000000000..e24e0cd1c
--- /dev/null
+++ b/make/config/nativewindow/x11-CustomCCode.c
@@ -0,0 +1,165 @@
+#include <inttypes.h>
+#include <X11/Xlib.h>
+#include <X11/Xutil.h>
+/* Linux headers don't work properly */
+#define __USE_GNU
+#include <dlfcn.h>
+#undef __USE_GNU
+
+/* Current versions of Solaris don't expose the XF86 extensions,
+   although with the recent transition to Xorg this will probably
+   happen in an upcoming release */
+#if !defined(__sun) && !defined(_HPUX)
+#include <X11/extensions/xf86vmode.h>
+#else
+/* Need to provide stubs for these */
+Bool XF86VidModeGetGammaRampSize(
+    Display *display,
+    int screen,
+    int* size)
+{
+  return False;
+}
+
+Bool XF86VidModeGetGammaRamp(
+    Display *display,
+    int screen,
+    int size,
+    unsigned short *red_array,
+    unsigned short *green_array,
+    unsigned short *blue_array) {
+  return False;
+}
+Bool XF86VidModeSetGammaRamp(
+    Display *display,
+    int screen,
+    int size,
+    unsigned short *red_array,
+    unsigned short *green_array,
+    unsigned short *blue_array) {
+  return False;
+}
+#endif
+
+/* HP-UX doesn't define RTLD_DEFAULT. */
+#if defined(_HPUX) && !defined(RTLD_DEFAULT)
+#define RTLD_DEFAULT NULL
+#endif
+
+/* Need to expose DefaultScreen and RootWindow macros to Java */
+JNIEXPORT jlong JNICALL 
+Java_com_sun_nativewindow_impl_x11_X11Lib_DefaultScreen(JNIEnv *env, jclass _unused, jlong display) {
+  return DefaultScreen((Display*) (intptr_t) display);
+}
+
+JNIEXPORT jlong JNICALL 
+Java_com_sun_nativewindow_impl_x11_X11Lib_DefaultVisualID(JNIEnv *env, jclass _unused, jlong display, jint screen) {
+  return (jlong) XVisualIDFromVisual( DefaultVisual( (Display*) (intptr_t) display, screen ) );
+}
+
+JNIEXPORT jlong JNICALL 
+Java_com_sun_nativewindow_impl_x11_X11Lib_RootWindow(JNIEnv *env, jclass _unused, jlong display, jint screen) {
+  return RootWindow((Display*) (intptr_t) display, screen);
+}
+
+JNIEXPORT jlong JNICALL 
+Java_com_sun_nativewindow_impl_x11_X11Lib_dlopen(JNIEnv *env, jclass _unused, jstring name) {
+  const jbyte* chars;
+  void* res;
+  chars = (*env)->GetStringUTFChars(env, name, NULL);
+  res = dlopen(chars, RTLD_LAZY | RTLD_GLOBAL);
+  (*env)->ReleaseStringUTFChars(env, name, chars);
+  return (jlong) ((intptr_t) res);
+}
+
+JNIEXPORT jlong JNICALL 
+Java_com_sun_nativewindow_impl_x11_X11Lib_dlsym(JNIEnv *env, jclass _unused, jstring name) {
+  const jbyte* chars;
+  void* res;
+  chars = (*env)->GetStringUTFChars(env, name, NULL);
+  res = dlsym(RTLD_DEFAULT, chars);
+  (*env)->ReleaseStringUTFChars(env, name, chars);
+  return (jlong) ((intptr_t) res);
+}
+
+/* Need to pull this in as we don't have a stub header for it */
+extern Bool XineramaEnabled(Display* display);
+
+static const char * clazzNameInternalBufferUtil = "com/sun/nativewindow/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_nativewindow_impl_x11_X11Lib: 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_nativewindow_impl_x11_X11Lib: can't use %s\n", clazzNameInternalBufferUtil);
+        (*env)->FatalError(env, clazzNameInternalBufferUtil);
+    }
+    c = (*env)->FindClass(env, clazzNameByteBuffer);
+    if(NULL==c) {
+        fprintf(stderr, "FatalError: Java_com_sun_nativewindow_impl_x11_X11Lib: 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_nativewindow_impl_x11_X11Lib: 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_nativewindow_impl_x11_X11Lib:: can't create %s.%s %s\n",
+            clazzNameInternalBufferUtil,
+            clazzNameInternalBufferUtilStaticCstrName, clazzNameInternalBufferUtilStaticCstrSignature);
+        (*env)->FatalError(env, clazzNameInternalBufferUtilStaticCstrName);
+    }
+}
+
+/*   Java->C glue code:
+ *   Java package: com.sun.nativewindow.impl.x11.X11Lib
+ *    Java method: XVisualInfo XGetVisualInfo(long arg0, long arg1, XVisualInfo arg2, java.nio.IntBuffer arg3)
+ *     C function: XVisualInfo *  XGetVisualInfo(Display * , long, XVisualInfo * , int * );
+ */
+JNIEXPORT jobject JNICALL
+Java_com_sun_nativewindow_impl_x11_X11Lib_XGetVisualInfoCopied1__JJLjava_nio_ByteBuffer_2Ljava_lang_Object_2I(JNIEnv *env, jclass _unused, jlong arg0, jlong arg1, jobject arg2, jobject arg3, jint arg3_byte_offset) {
+  XVisualInfo * _ptr2 = NULL;
+  int * _ptr3 = NULL;
+  XVisualInfo *  _res;
+  int count;
+    if (arg2 != NULL) {
+        _ptr2 = (XVisualInfo *) (((char*) (*env)->GetDirectBufferAddress(env, arg2)) + 0);
+    }
+  if (arg3 != NULL) {
+    _ptr3 = (int *) (((char*) (*env)->GetPrimitiveArrayCritical(env, arg3, NULL)) + arg3_byte_offset);
+  }
+  _res = XGetVisualInfo((Display *) (intptr_t) arg0, (long) arg1, (XVisualInfo *) _ptr2, (int *) _ptr3);
+  count = _ptr3[0];
+  if (arg3 != NULL) {
+    (*env)->ReleasePrimitiveArrayCritical(env, arg3, _ptr3, 0);
+  }
+  if (_res == NULL) return NULL;
+
+  _initClazzAccess(env);
+
+  jobject jbyteSource = (*env)->NewDirectByteBuffer(env, _res, count * sizeof(XVisualInfo));
+  jobject jbyteCopy   = (*env)->CallStaticObjectMethod(env,
+                            clazzInternalBufferUtil, cstrInternalBufferUtil, jbyteSource);
+
+  // FIXME: remove reference/gc jbyteSource ?? 
+  XFree(_res);
+
+  return jbyteCopy;
+}
+