Fixed

src/java/org/lwjgl/opengl/BaseGL.java

@@ -131,13 +131,14 @@ public class BaseGL extends Window {
 	}
 	
 	protected void doCreate() throws Exception {
-		nCreate(x, y, getWidth(), getHeight(), color, alpha, depth, stencil, fullscreen);
+		nCreate(getTitle(), x, y, getWidth(), getHeight(), color, alpha, depth, stencil, fullscreen);
 	}
 	
 	/**
 	 * Native method to create a windowed GL
 	 */
 	private native void nCreate(
+		String title,
 		int x,
 		int y,
 		int width,

src/java/org/lwjgl/opengl/GL.java

@@ -1669,8 +1669,10 @@ public class GL extends CoreGL implements GLConstants {
 		final String exts;
 
 		if (WGL_ARB_extensions_string)
-			exts = wglGetExtensionsStringARB(Display.getHandle());
-		// Remember - this is an HWND not an HDC, which is what's required
+			exts = wglGetExtensionsStringARB(getHandle());
+		// Remember - this is an HWND not an HDC, which is what's required. The native
+		// code on the other side of wglGetExtensionsStringARB gets the HDC from the HWND
+		// behind the scenes.
 		else
 			exts = wglGetExtensionsStringEXT();
 

src/native/common/org_lwjgl_opengl_BaseGL.h

@@ -11,10 +11,10 @@ extern "C" {
 /*
  * Class:     org_lwjgl_opengl_BaseGL
  * Method:    nCreate
- * Signature: (IIIIIIIIZ)V
+ * Signature: (Ljava/lang/String;IIIIIIIIZ)V
  */
 JNIEXPORT void JNICALL Java_org_lwjgl_opengl_BaseGL_nCreate
-  (JNIEnv *, jobject, jint, jint, jint, jint, jint, jint, jint, jint, jboolean);
+  (JNIEnv *, jobject, jstring, jint, jint, jint, jint, jint, jint, jint, jint, jboolean);
 
 /*
  * Class:     org_lwjgl_opengl_BaseGL

src/native/win32/org_lwjgl_Window.cpp

@@ -49,7 +49,7 @@ HDC					hdc = NULL;							// Device context
 LPDIRECTINPUT		lpdi = NULL;						// DirectInput
 bool				isFullScreen = false;				// Whether we're fullscreen or not
 bool				isMinimized = false;				// Whether we're minimized or not
-JNIEnv *			environment;						// Cached environment
+JNIEnv *			environment = NULL;					// Cached environment
 jobject				window;								// Cached Java Window instance handle
 extern HINSTANCE	dll_handle;							// Handle to the LWJGL dll
 
@@ -106,7 +106,7 @@ void closeWindow()
 	}
 
 	// Release device context
-	if (hdc != NULL) {
+	if (hdc != NULL && hwnd != NULL) {
 		ReleaseDC(hwnd, hdc);
 	}
 
@@ -143,6 +143,10 @@ LRESULT CALLBACK lwjglWindowProc(HWND hWnd,
 							     WPARAM wParam,
 							     LPARAM lParam)
 {
+	if (environment == NULL) {
+		printf("No environment!\n");
+		return DefWindowProc(hWnd, msg, wParam, lParam);
+	}
 
 	switch (msg) {
 		// disable screen saver and monitor power down messages which wreak havoc
@@ -289,6 +293,10 @@ bool createWindow(const char * title, int x, int y, int width, int height, bool
 		return false;
 	}
 
+#ifdef _DEBUG
+	printf("Created window\n");
+#endif
+
 	ShowWindow(hwnd, SW_SHOWNORMAL);
 	UpdateWindow(hwnd);
 	SetForegroundWindow(hwnd);
@@ -298,9 +306,6 @@ bool createWindow(const char * title, int x, int y, int width, int height, bool
 
 	// Success! Now you need to initialize a GL object, which creates a GL rendering context;
 	// and then to issue commands to it, you need to call gl::makeCurrent().
-#ifdef _DEBUG
-	printf("Created window\n");
-#endif
 
 	// 3. Hide the mouse if necessary
 	isFullScreen = fullscreen;

src/native/win32/org_lwjgl_opengl_BaseGL.h

@@ -1,23 +0,0 @@
-/* DO NOT EDIT THIS FILE - it is machine generated */
-#include <jni.h>
-/* Header for class org_lwjgl_opengl_BaseGL */
-
-#ifndef _Included_org_lwjgl_opengl_BaseGL
-#define _Included_org_lwjgl_opengl_BaseGL
-#ifdef __cplusplus
-extern "C" {
-#endif
-/* Inaccessible static: currentWindow */
-/* Inaccessible static: currentContext */
-/*
- * Class:     org_lwjgl_opengl_BaseGL
- * Method:    nCreate
- * Signature: (Ljava/lang/String;IIIIZ)V
- */
-JNIEXPORT void JNICALL Java_org_lwjgl_opengl_BaseGL_nCreate
-  (JNIEnv *, jobject, jstring, jint, jint, jint, jint, jboolean);
-
-#ifdef __cplusplus
-}
-#endif
-#endif