High DPI fixes

Author: ViRb3

src/java/org/lwjgl/opengl/MacOSXDisplay.java

@@ -92,7 +92,7 @@ final class MacOSXDisplay implements DisplayImplementation {
 
 	private long currentNativeCursor = 0;
 
-	private boolean enableHighDPI = false;
+	private boolean enableHighDPI = true;
 
 	private float scaleFactor = 1.0f;
 

src/java/org/lwjgl/util/glu/Project.java

@@ -321,8 +321,8 @@ public static boolean gluProject(
 		in[2] = in[2] * in[3] + 0.5f;
 
 		// Map x,y to viewport
-		win_pos.put(0, in[0] * viewport.get(viewport.position() + 2) + viewport.get(viewport.position() + 0));
-		win_pos.put(1, in[1] * viewport.get(viewport.position() + 3) + viewport.get(viewport.position() + 1));
+		win_pos.put(0, in[0] * viewport.get(viewport.position() + 2) + viewport.get(viewport.position()*2 + 0));
+		win_pos.put(1, in[1] * viewport.get(viewport.position() + 3) + viewport.get(viewport.position()*2 + 1));
 		win_pos.put(2, in[2]);
 
 		return true;

src/native/macosx/org_lwjgl_opengl_Display.m

@@ -67,20 +67,17 @@ @implementation MacOSXKeyableWindow
 + (void) createWindow {
 	MacOSXWindowInfo *window_info = peer_info->window_info;
 
-	int width = window_info->display_rect.size.width;
-	int height = window_info->display_rect.size.height;
+	int width = window_info->display_rect.size.width*2;
+	int height = window_info->display_rect.size.height*2;
 
 	NSRect view_rect = NSMakeRect(0.0, 0.0, width, height);
 	window_info->view = [[MacOSXOpenGLView alloc] initWithFrame:view_rect pixelFormat:peer_info->pixel_format];
+	[window_info->view setWantsBestResolutionOpenGLSurface:NO];
 	[window_info->view setAutoresizingMask:NSViewWidthSizable | NSViewHeightSizable];
 
     // Inform the view of its parent window info;
 	[window_info->view setParent:window_info];
 
-	if (window_info->enableHighDPI) {
-		// call method using runtime selector as its a 10.7+ api and allows compiling on older SDK's
-		[window_info->view performSelector:NSSelectorFromString(@"setWantsBestResolutionOpenGLSurface:") withObject:YES];
-	}
 
 	// set nsapp delegate for catching app quit events
 	[NSApp setDelegate:window_info->view];