1 files changed, 56 insertions, 0 deletions
diff --git a/src/jogl/classes/jogamp/opengl/egl/EGLUpstreamSurfaceHook.java b/src/jogl/classes/jogamp/opengl/egl/EGLUpstreamSurfaceHook.java
new file mode 100644
index 000000000..42c6e100e
--- /dev/null
+++ b/src/jogl/classes/jogamp/opengl/egl/EGLUpstreamSurfaceHook.java
@@ -0,0 +1,56 @@
+package jogamp.opengl.egl;
+
+import javax.media.nativewindow.NativeSurface;
+import javax.media.nativewindow.ProxySurface;
+import javax.media.opengl.GLException;
+
+import com.jogamp.nativewindow.egl.EGLGraphicsDevice;
+
+public class EGLUpstreamSurfaceHook implements ProxySurface.UpstreamSurfaceHook {
+    private final NativeSurface upstreamSurface;
+    
+    public EGLUpstreamSurfaceHook(NativeSurface upstream) {
+        upstreamSurface = upstream;
+    }
+    
+    public final NativeSurface getUpstreamSurface() { return upstreamSurface; }
+    
+    @Override
+    public final void create(ProxySurface surface) {
+        if(upstreamSurface instanceof ProxySurface) {
+            ((ProxySurface)upstreamSurface).createNotify();
+            if(NativeSurface.LOCK_SURFACE_NOT_READY >= upstreamSurface.lockSurface()) {
+                throw new GLException("Could not lock: "+upstreamSurface);
+            }
+        }
+        final EGLGraphicsDevice eglDevice = (EGLGraphicsDevice) surface.getGraphicsConfiguration().getScreen().getDevice();
+        eglDevice.open();
+    }
+
+    @Override
+    public final void destroy(ProxySurface surface) {
+        final EGLGraphicsDevice eglDevice = (EGLGraphicsDevice) surface.getGraphicsConfiguration().getScreen().getDevice();
+        eglDevice.close();
+        if(upstreamSurface instanceof ProxySurface) {
+            upstreamSurface.unlockSurface();
+            ((ProxySurface)upstreamSurface).destroyNotify();
+        }
+    }
+
+    @Override
+    public final int getWidth(ProxySurface s) {
+        return upstreamSurface.getWidth();
+    }
+
+    @Override
+    public final int getHeight(ProxySurface s) {
+        return upstreamSurface.getHeight();
+    }
+    
+    @Override
+    public String toString() {
+        final String us_s = null != upstreamSurface ? ( upstreamSurface.getClass().getName() + ": " + upstreamSurface ) : "nil"; 
+        return "EGLUpstreamSurfaceHook[upstream: "+us_s+"]";
+    }
+
+}