Added remaining implementations for new IVertexBufferObject methods. …

…Added cummulative getters for memory usage of loaded VertexBufferObjects in the VertexBufferObjectManager. Minor javadoc update in IVertexBufferObject.

src/org/andengine/opengl/vbo/IVertexBufferObject.java

@@ -28,7 +28,10 @@ public interface IVertexBufferObject extends IDisposable {
 	public int getHardwareBufferID();
 
 	public boolean isLoadedToHardware();
-	/** Mark this {@link VertexBufferObject} as not not loaded to hardware, so it gets loaded to hardware before being used.. */
+	/**
+	 * Mark this {@link VertexBufferObject} as not not loaded to hardware.
+	 * It will reload itself to hardware when it gets used again.
+	 */
 	public void setNotLoadedToHardware();
 	public void unloadFromHardware(final GLState pGLState);
 

src/org/andengine/opengl/vbo/VertexBufferObjectManager.java

@@ -32,13 +32,29 @@ public class VertexBufferObjectManager {
 	// Getter & Setter
 	// ===========================================================
 
-	// TODO public synchronized int getPermamentByteSize() {
+	public synchronized int getHeapMemoryByteSize() {
+		int byteSize = 0;
+		final ArrayList<IVertexBufferObject> vertexBufferObjectsLoaded = this.mVertexBufferObjectsLoaded;
+		for(int i = vertexBufferObjectsLoaded.size() - 1; i >= 0; i--) {
+			byteSize += vertexBufferObjectsLoaded.get(i).getHeapMemoryByteSize();
+		}
+		return byteSize;
+	}
+
+	public synchronized int getNativeHeapMemoryByteSize() {
+		int byteSize = 0;
+		final ArrayList<IVertexBufferObject> vertexBufferObjectsLoaded = this.mVertexBufferObjectsLoaded;
+		for(int i = vertexBufferObjectsLoaded.size() - 1; i >= 0; i--) {
+			byteSize += vertexBufferObjectsLoaded.get(i).getNativeHeapMemoryByteSize();
+		}
+		return byteSize;
+	}
 
-	public synchronized int getByteSize() {
+	public synchronized int getGPUHeapMemoryByteSize() {
 		int byteSize = 0;
 		final ArrayList<IVertexBufferObject> vertexBufferObjectsLoaded = this.mVertexBufferObjectsLoaded;
 		for(int i = vertexBufferObjectsLoaded.size() - 1; i >= 0; i--) {
-			byteSize += vertexBufferObjectsLoaded.get(i).getByteCapacity();
+			byteSize += vertexBufferObjectsLoaded.get(i).getGPUMemoryByteSize();
 		}
 		return byteSize;
 	}

src/org/andengine/opengl/vbo/ZeroMemoryVertexBufferObject.java

@@ -129,6 +129,15 @@ public int getNativeHeapMemoryByteSize() {
 		return 0;
 	}
 
+	@Override
+	public int getGPUMemoryByteSize() {
+		if(this.isLoadedToHardware()) {
+			return this.getByteCapacity();
+		} else {
+			return 0;
+		}
+	}
+
 	// ===========================================================
 	// Methods for/from SuperClass/Interfaces
 	// ===========================================================