Carry init & dispose methods down into RenderStrategy, so that textures can be disposed of and reloaded.

core/src/net/sf/openrocket/gui/figure3d/RealisticRenderStrategy.java

@@ -9,6 +9,7 @@ import java.util.Map;
 import javax.media.opengl.GL;
 import javax.media.opengl.GL2;
 import javax.media.opengl.GL2ES1;
+import javax.media.opengl.GLAutoDrawable;
 import javax.media.opengl.GLProfile;
 import javax.media.opengl.fixedfunc.GLLightingFunc;
 import javax.media.opengl.fixedfunc.GLMatrixFunc;
@@ -35,10 +36,22 @@ public class RealisticRenderStrategy extends RenderStrategy {
 	private Map<URI, Texture> texCache = new HashMap<URI, Texture>();
 
 	@Override
-	public void clearCaches() {
+	public void updateFigure() {
 		needClearCache = true;
 	}
 
+	@Override
+	public void init(GLAutoDrawable drawable) {
+		oldTexCache = new HashMap<URI,Texture>();
+		texCache = new HashMap<URI,Texture>();
+	}
+
+	@Override
+	public void dispose(GLAutoDrawable drawable) {
+		oldTexCache = null;
+		texCache = null;
+	}
+
 	@Override
 	public boolean isDrawn(RocketComponent c) {
 		return true;

core/src/net/sf/openrocket/gui/figure3d/RenderStrategy.java

@@ -1,6 +1,7 @@
 package net.sf.openrocket.gui.figure3d;
 
 import javax.media.opengl.GL2;
+import javax.media.opengl.GLAutoDrawable;
 
 import net.sf.openrocket.rocketcomponent.RocketComponent;
 
@@ -13,8 +14,16 @@ public abstract class RenderStrategy {
 
 	public abstract void postGeometry(GL2 gl, RocketComponent c, float alpha);
 
-	public void clearCaches() {
+	public void updateFigure() {
 
 	}
+	
+	public void init(GLAutoDrawable drawable) {
+		
+	}
+	
+	public void dispose(GLAutoDrawable drawable) {
+		
+	}
 
 }

core/src/net/sf/openrocket/gui/figure3d/RocketFigure3d.java

@@ -375,6 +375,7 @@ public class RocketFigure3d extends JPanel implements GLEventListener {
 	@Override
 	public void dispose(GLAutoDrawable drawable) {
 		log.verbose("GL - dispose() called");
+		rr.dispose(drawable);
 	}
 	
 	@Override

core/src/net/sf/openrocket/gui/figure3d/RocketRenderer.java

@@ -39,9 +39,13 @@ public class RocketRenderer {
 		cr = new ComponentRenderer();
 		cr.init(drawable);
 	}
-
+
+	public void dispose(GLAutoDrawable drawable) {
+		currentStrategy.dispose(drawable);
+	}
+	
 	public void updateFigure() {
-		currentStrategy.clearCaches();
+		currentStrategy.updateFigure();
 		cr.updateFigure();
 	}