1 files changed, 95 insertions, 0 deletions
diff --git a/src/jogl/classes/jogamp/opengl/windows/wgl/WGLUtil.java b/src/jogl/classes/jogamp/opengl/windows/wgl/WGLUtil.java
new file mode 100644
index 000000000..845d749ba
--- /dev/null
+++ b/src/jogl/classes/jogamp/opengl/windows/wgl/WGLUtil.java
@@ -0,0 +1,95 @@
+/**
+ * Copyright 2012 JogAmp Community. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without modification, are
+ * permitted provided that the following conditions are met:
+ *
+ *    1. Redistributions of source code must retain the above copyright notice, this list of
+ *       conditions and the following disclaimer.
+ *
+ *    2. Redistributions in binary form must reproduce the above copyright notice, this list
+ *       of conditions and the following disclaimer in the documentation and/or other materials
+ *       provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY JogAmp Community ``AS IS'' AND ANY EXPRESS OR IMPLIED
+ * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
+ * FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL JogAmp Community OR
+ * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+ * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
+ * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
+ * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+ * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ * The views and conclusions contained in the software and documentation are those of the
+ * authors and should not be interpreted as representing official policies, either expressed
+ * or implied, of JogAmp Community.
+ */
+package jogamp.opengl.windows.wgl;
+
+import java.security.AccessController;
+
+import jogamp.nativewindow.windows.GDI;
+import jogamp.nativewindow.windows.PIXELFORMATDESCRIPTOR;
+import jogamp.opengl.Debug;
+
+public class WGLUtil {
+    /**
+     * Switch to use the <code>wgl</code> variants of {@link jogamp.opengl.windows.wgl.WGL} 
+     * to replace the following 5 GDI based functions (see below).
+     * <p>
+     * Disabled per default.
+     * </p> 
+     * <p>
+     * You can enable it by defining the property <code>jogl.windows.useWGLVersionOf5WGLGDIFuncSet</code>.
+     * </p>
+     * 
+     * @see jogamp.nativewindow.windows.GDI#ChoosePixelFormat(long, PIXELFORMATDESCRIPTOR)
+     * @see jogamp.nativewindow.windows.GDI#DescribePixelFormat(long, int, int, PIXELFORMATDESCRIPTOR)
+     * @see jogamp.nativewindow.windows.GDI#GetPixelFormat(long)
+     * @see jogamp.nativewindow.windows.GDI#SetPixelFormat(long, int, PIXELFORMATDESCRIPTOR)
+     * @see jogamp.nativewindow.windows.GDI#SwapBuffers(long)
+     */
+    public static final boolean USE_WGLVersion_Of_5WGLGDIFuncSet;
+    
+    static {
+        USE_WGLVersion_Of_5WGLGDIFuncSet = Debug.isPropertyDefined("jogl.windows.useWGLVersionOf5WGLGDIFuncSet", true, AccessController.getContext());
+        System.err.println("USE_WGLVersion_Of_5WGLGDIFuncSet: "+USE_WGLVersion_Of_5WGLGDIFuncSet);
+    }
+
+    public static int ChoosePixelFormat(long hdc, PIXELFORMATDESCRIPTOR pfd)  {
+        if(USE_WGLVersion_Of_5WGLGDIFuncSet) {
+            return WGL.wglChoosePixelFormat(hdc, pfd);
+        } else {
+            return GDI.ChoosePixelFormat(hdc, pfd);
+        }        
+    }
+    public static int DescribePixelFormat(long hdc, int pfdid, int pfdSize, PIXELFORMATDESCRIPTOR pfd)  {
+        if(USE_WGLVersion_Of_5WGLGDIFuncSet) {
+            return WGL.wglDescribePixelFormat(hdc, pfdid, pfdSize, pfd);
+        } else {
+            return GDI.DescribePixelFormat(hdc, pfdid, pfdSize, pfd);
+        }                
+    }
+    public static int GetPixelFormat(long hdc)  {
+        if(USE_WGLVersion_Of_5WGLGDIFuncSet) {
+            return WGL.wglGetPixelFormat(hdc);
+        } else {
+            return GDI.GetPixelFormat(hdc);
+        }                
+    }
+    public static boolean SetPixelFormat(long hdc, int pfdid, PIXELFORMATDESCRIPTOR pfd)  {        
+        if(USE_WGLVersion_Of_5WGLGDIFuncSet) {
+            return WGL.wglSetPixelFormat(hdc, pfdid, pfd);
+        } else {
+            return GDI.SetPixelFormat(hdc, pfdid, pfd);
+        }                
+    }
+    public static boolean SwapBuffers(long hdc)  {        
+        if(USE_WGLVersion_Of_5WGLGDIFuncSet) {
+            return WGL.wglSwapBuffers(hdc);
+        } else {
+            return GDI.SwapBuffers(hdc);
+        }                
+    }
+}