New vsync code

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

@@ -1407,24 +1407,6 @@ public abstract class GL extends CoreGL14 implements GLConstants {
 
 //	public static native int wglGetPbufferDCARB(int hPbuffer);
 
-/*	public static native boolean wglGetPixelFormatAttribfvARB(
-		int hdc,
-		int iPixelFormat,
-		int iLayerPlane,
-		int nAttributes,
-		int piAttributes,
-		int pfValues);
-
-	public static native boolean wglGetPixelFormatAttribivARB(
-		int hdc,
-		int iPixelFormat,
-		int iLayerPlane,
-		int nAttributes,
-		int piAttributes,
-		int piValues);
-*/
-	public static native int wglGetSwapIntervalEXT();
-
 /*	public static native boolean wglMakeContextCurrentARB(
 		int hDrawDC,
 		int hReadDC,
@@ -1441,29 +1423,7 @@ public abstract class GL extends CoreGL14 implements GLConstants {
 		int hPbuffer,
 		int iBuffer);
 
-/*	public static native boolean wglRestoreBufferRegionARB(
-		Buffer hRegion,
-		int x,
-		int y,
-		int width,
-		int height,
-		int xSrc,
-		int ySrc);
-
-	public static native boolean wglSaveBufferRegionARB(
-		Buffer hRegion,
-		int x,
-		int y,
-		int width,
-		int height);
-*/
-/*	public static native boolean wglSetPbufferAttribARB(
-		int hPbuffer,
-		int piAttribList);
-*/
-	public static native boolean wglSwapIntervalEXT(int interval);
-
-	public static native void glWindowPos2fARB(float x, float y);
+public static native void glWindowPos2fARB(float x, float y);
 
 	public static native void glWindowPos2iARB(int x, int y);
 

src/java/org/lwjgl/opengl/Window.java

@@ -25,7 +25,6 @@ import org.lwjgl.Display;
 import org.lwjgl.Sys;
 
 import java.util.HashSet;
-import java.lang.reflect.Method;
 
 public final class Window {
 
@@ -54,8 +53,9 @@ public final class Window {
 		 * I have posted a bug report to apple regarding the behaviour.
 		 *
 		 */
-		if (Display.getPlatform() == Display.PLATFORM_AGL)
+		if (Display.getPlatform() == Display.PLATFORM_AGL) {
 			MacOSX.initMacOSX();
+		}
 	}
 
 	/** Whether the window is currently created, ie. has a native peer */
@@ -93,6 +93,9 @@ public final class Window {
 
 	/** Fullscreen */
 	private static boolean fullscreen;
+	
+	/** Vsync */
+	private static boolean vsync;
 
 	/** Tracks VBO state for the window context */
 	private static VBOTracker vbo_tracker;
@@ -364,4 +367,35 @@ public final class Window {
 	 * to handle window close requests, moves, paints, etc.
 	 */
 	public static native void update();
+
+	/**
+	 * Determines to the best of the platform's ability whether monitor vysnc is enabled on
+	 * this window. The failsafe assumption is that when vsync cannot be determined, this
+	 * method returns false, and you should rely on using a hires timer to throttle your
+	 * framerate rather than relying on monitor sync (even if monitor sync is actually working).
+	 * Therefore you can guarantee that if we return true from this method that we're pretty
+	 * certain vsync is enabled.
+	 * @return boolean
+	 */
+	public static boolean isVSyncEnabled() {
+		assert isCreated()  : "Cannot determine sync of uncreated window";
+		return nIsVSyncEnabled();
+	}
+
+	private static native boolean nIsVSyncEnabled();
+	
+	/**
+	 * Enable or disable vertical monitor synchronization. This call is a best-attempt at changing
+	 * the vertical refresh synchronization of the monitor, and is not guaranteed to be successful.
+	 * To check whether the call <em>might</em> have been successful, call isVSyncEnabled().
+	 * @param sync true to synchronize; false to ignore synchronization
+	 */
+	public static void setVSyncEnabled(boolean sync) {
+		assert isCreated() : "Cannot set sync of uncreated window";
+		nSetVSyncEnabled(sync);
+	}
+
+	private static native boolean nSetVSyncEnabled(boolean sync);
+
+
 }

src/java/org/lwjgl/test/input/HWCursorTest.java

@@ -338,9 +338,7 @@ public class HWCursorTest {
     GL.glClearColor(0.0f, 0.0f, 0.0f, 0.0f);
 
     //sync frame (only works on windows)
-    if (GLCaps.WGL_EXT_swap_control) {
-      GL.wglSwapIntervalEXT(1);
-    }
+    Window.setVSyncEnabled(true);
   }
 
   /**

src/java/org/lwjgl/test/opengl/FullScreenWindowedTest.java

@@ -315,9 +315,7 @@ public class FullScreenWindowedTest {
     GL.glClearColor(0.0f, 0.0f, 0.0f, 0.0f);
 
     //sync frame (only works on windows)
-    if (GLCaps.WGL_EXT_swap_control) {
-      GL.wglSwapIntervalEXT(1);
-    }
+    Window.setVSyncEnabled(true);
   }
 
   /**

src/java/org/lwjgl/test/opengl/PbufferTest.java

@@ -386,9 +386,8 @@ public class PbufferTest {
    */
   private void glInit() {
     //sync frame (only works on windows)
-    if (GLCaps.WGL_EXT_swap_control) {
-      GL.wglSwapIntervalEXT(1);
-    }
+    Window.setVSyncEnabled(true);
+    
     GL.glTexEnvf(GL.GL_TEXTURE_ENV, GL.GL_TEXTURE_ENV_MODE, GL.GL_REPLACE);
     GL.glEnable(GL.GL_TEXTURE_2D);
     // Create shared texture