GLJPanel: Use PixelBufferProvider AWTPixelBufferProviderInt; PixelBufferProvider: Add 'dispose()' to interface.

Transition reusing AWT specific PixelBufferProvider to allow a later user provided PixelBufferProvider.

3 files changed, 20 insertions, 0 deletions

diff --git a/src/jogl/classes/com/jogamp/opengl/util/GLReadBufferUtil.java b/src/jogl/classes/com/jogamp/opengl/util/GLReadBufferUtil.java
index 140c8691f..dc87c7ac9 100644
--- a/src/jogl/classes/com/jogamp/opengl/util/GLReadBufferUtil.java
+++ b/src/jogl/classes/com/jogamp/opengl/util/GLReadBufferUtil.java
@@ -264,6 +264,7 @@ public class GLReadBufferUtil {
             readPixelBuffer = null;
         }
         readPixelSizeLast = 0;
+        pixelBufferProvider.dispose();
     }
 
 }
diff --git a/src/jogl/classes/com/jogamp/opengl/util/texture/TextureData.java b/src/jogl/classes/com/jogamp/opengl/util/texture/TextureData.java
index 66fba98fe..2f0c86255 100644
--- a/src/jogl/classes/com/jogamp/opengl/util/texture/TextureData.java
+++ b/src/jogl/classes/com/jogamp/opengl/util/texture/TextureData.java
@@ -105,6 +105,9 @@ public class TextureData {
          * </p>
          */
         Buffer allocate(int width, int height, int minByteSize);
+        
+        /** Dispose resources. */
+        void dispose();
     }
     /** 
      * Default {@link PixelBufferProvider} utilizing best match for {@link PixelAttributes}
@@ -139,6 +142,11 @@ public class TextureData {
         public final Buffer allocate(int width, int height, int minByteSize) {
             return Buffers.newDirectByteBuffer(minByteSize);
         }
+        
+        @Override
+        public void dispose() {
+            // nop
+        }
     }
     
     protected int width;
diff --git a/src/jogl/classes/com/jogamp/opengl/util/texture/awt/AWTTextureData.java b/src/jogl/classes/com/jogamp/opengl/util/texture/awt/AWTTextureData.java
index d77bd835e..7a0f00edf 100644
--- a/src/jogl/classes/com/jogamp/opengl/util/texture/awt/AWTTextureData.java
+++ b/src/jogl/classes/com/jogamp/opengl/util/texture/awt/AWTTextureData.java
@@ -104,11 +104,22 @@ public class AWTTextureData extends TextureData {
             return IntBuffer.wrap( readBackIntBuffer );
         }
         
+        @Override
+        public void dispose() {
+            if(null != image) {
+                image.flush();
+                image = null;
+            }
+        }
+        
         /** Returns the number source components being used as indicated at {@link #allocate(int, int, int)}. */
         public int getComponentCount() { return componentCount; }
         
         /** Returns the underlying {@link BufferedImage} as allocated via {@link #allocate(int, int, int)}. */
         public BufferedImage getImage() { return image; }
+        
+        /** Returns true if an underlying {@link BufferedImage} has been allocated via {@link #allocate(int, int, int)}. */
+        public boolean hasImage() { return null != image; }
     }
     
     // Mechanism for lazily converting input BufferedImages with custom