From b7bd092831a1ad7a660386c4c291cb363cd8ebb0 Mon Sep 17 00:00:00 2001
From: Michael Bien <mbien@fh-landshut.de>
Date: Fri, 23 Apr 2010 02:00:27 +0200
Subject: reviewed calls to lockSurface() and ensured propper unlocking.

---
 .../opengl/impl/egl/EGLOnscreenDrawable.java       | 24 +++++++--------
 .../opengl/impl/macosx/cgl/MacOSXCGLDrawable.java  |  7 ++---
 .../impl/windows/wgl/WindowsWGLDrawable.java       | 14 ++++-----
 .../jogamp/opengl/impl/x11/glx/X11GLXDrawable.java | 34 ++++++++++------------
 4 files changed, 36 insertions(+), 43 deletions(-)

(limited to 'src/jogl')

diff --git a/src/jogl/classes/com/jogamp/opengl/impl/egl/EGLOnscreenDrawable.java b/src/jogl/classes/com/jogamp/opengl/impl/egl/EGLOnscreenDrawable.java
index 3286367e5..3864fc39c 100644
--- a/src/jogl/classes/com/jogamp/opengl/impl/egl/EGLOnscreenDrawable.java
+++ b/src/jogl/classes/com/jogamp/opengl/impl/egl/EGLOnscreenDrawable.java
@@ -60,21 +60,19 @@ public class EGLOnscreenDrawable extends EGLDrawable {
 
     protected void swapBuffersImpl() {
         boolean didLock = false;
+        if (!isSurfaceLocked()) {
+            // Usually the surface shall be locked within [makeCurrent .. swap .. release]
+            if (lockSurface() == NativeWindow.LOCK_SURFACE_NOT_READY) {
+                return;
+            }
+            didLock = true;
+        }
         try {
-          if ( !isSurfaceLocked() ) {
-              // Usually the surface shall be locked within [makeCurrent .. swap .. release]
-              if (lockSurface() == NativeWindow.LOCK_SURFACE_NOT_READY) {
-                  return;
-              }
-              didLock = true;
-          }
-
-          EGL.eglSwapBuffers(eglDisplay, eglSurface);
-
+            EGL.eglSwapBuffers(eglDisplay, eglSurface);
         } finally {
-          if(didLock) {
-              unlockSurface();
-          }
+            if (didLock) {
+                unlockSurface();
+            }
         }
     }
 
diff --git a/src/jogl/classes/com/jogamp/opengl/impl/macosx/cgl/MacOSXCGLDrawable.java b/src/jogl/classes/com/jogamp/opengl/impl/macosx/cgl/MacOSXCGLDrawable.java
index 5816b2101..cf29d214b 100644
--- a/src/jogl/classes/com/jogamp/opengl/impl/macosx/cgl/MacOSXCGLDrawable.java
+++ b/src/jogl/classes/com/jogamp/opengl/impl/macosx/cgl/MacOSXCGLDrawable.java
@@ -87,11 +87,8 @@ public abstract class MacOSXCGLDrawable extends GLDrawableImpl {
         if( NativeWindow.LOCK_SURFACE_NOT_READY == lockSurface() ) {
             throw new GLException("Couldn't lock surface");
         }
-        try {
-            // don't remove this block .. locking the surface is essential to update surface data
-        } finally {
-            unlockSurface();
-        }
+        // locking the surface is essential to update surface data
+        unlockSurface();
     }
   }
 
diff --git a/src/jogl/classes/com/jogamp/opengl/impl/windows/wgl/WindowsWGLDrawable.java b/src/jogl/classes/com/jogamp/opengl/impl/windows/wgl/WindowsWGLDrawable.java
index fe0945139..43c1ff5e0 100644
--- a/src/jogl/classes/com/jogamp/opengl/impl/windows/wgl/WindowsWGLDrawable.java
+++ b/src/jogl/classes/com/jogamp/opengl/impl/windows/wgl/WindowsWGLDrawable.java
@@ -83,14 +83,14 @@ public abstract class WindowsWGLDrawable extends GLDrawableImpl {
   protected void swapBuffersImpl() {
     boolean didLock = false;
 
-    try {
-        if ( !isSurfaceLocked() ) {
-            // Usually the surface shall be locked within [makeCurrent .. swap .. release]
-            if (lockSurface() == NativeWindow.LOCK_SURFACE_NOT_READY) {
-                return;
-            }
-            didLock = true;
+    if ( !isSurfaceLocked() ) {
+        // Usually the surface shall be locked within [makeCurrent .. swap .. release]
+        if (lockSurface() == NativeWindow.LOCK_SURFACE_NOT_READY) {
+            return;
         }
+        didLock = true;
+    }
+    try {
 
         long startTime = 0;
         if (PROFILING) {
diff --git a/src/jogl/classes/com/jogamp/opengl/impl/x11/glx/X11GLXDrawable.java b/src/jogl/classes/com/jogamp/opengl/impl/x11/glx/X11GLXDrawable.java
index 2dabe774c..95dfc0a1c 100644
--- a/src/jogl/classes/com/jogamp/opengl/impl/x11/glx/X11GLXDrawable.java
+++ b/src/jogl/classes/com/jogamp/opengl/impl/x11/glx/X11GLXDrawable.java
@@ -73,25 +73,23 @@ public abstract class X11GLXDrawable extends GLDrawableImpl {
     }
   }
 
-  protected void swapBuffersImpl() {
-    boolean didLock = false;
-    try {
-      if ( !isSurfaceLocked() ) {
-          // Usually the surface shall be locked within [makeCurrent .. swap .. release]
-          if (lockSurface() == NativeWindow.LOCK_SURFACE_NOT_READY) {
-              return;
-          }
-          didLock=true;
-      }
-
-      GLX.glXSwapBuffers(component.getDisplayHandle(), component.getSurfaceHandle());
-
-    } finally {
-      if(didLock) {
-          unlockSurface();
-      }
+    protected void swapBuffersImpl() {
+        boolean didLock = false;
+        if (!isSurfaceLocked()) {
+            // Usually the surface shall be locked within [makeCurrent .. swap .. release]
+            if (lockSurface() == NativeWindow.LOCK_SURFACE_NOT_READY) {
+                return;
+            }
+            didLock = true;
+        }
+        try {
+            GLX.glXSwapBuffers(component.getDisplayHandle(), component.getSurfaceHandle());
+        } finally {
+            if (didLock) {
+                unlockSurface();
+            }
+        }
     }
-  }
 
   //---------------------------------------------------------------------------
   // Internals only below this point
-- 
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