Sometimes there is a RTT usecase for a still image.
How about adding setEnabled() method to ViewPort?
[patch]
Index: src/core/com/jme3/renderer/RenderManager.java
===================================================================
— src/core/com/jme3/renderer/RenderManager.java (revision 6688)
+++ src/core/com/jme3/renderer/RenderManager.java (working copy)
@@ -681,6 +681,9 @@
}
public void renderViewPort(ViewPort vp, float tpf) {
-
if (!vp.isEnabled()) {<br /> -
return;<br /> -
}<br />
List<SceneProcessor> processors = vp.getProcessors();
if (processors.size() == 0) {
processors = null;
Index: src/core/com/jme3/renderer/ViewPort.java
===================================================================
— src/core/com/jme3/renderer/ViewPort.java (revision 6688)
+++ src/core/com/jme3/renderer/ViewPort.java (working copy)
@@ -52,6 +52,7 @@
protected final ColorRGBA backColor = new ColorRGBA(0,0,0,0);
protected boolean clearEnabled = false;
protected boolean clearDepth = true, clearColor = true, clearStencil = true;
- private boolean enabled = true;
public ViewPort(String name, Camera cam) {
this.name = name;
@@ -153,5 +154,13 @@
public ColorRGBA getBackgroundColor(){
return backColor;
}
+
- public void setEnabled(boolean enable) {
-
this.enabled = enable;<br /> - }
+
- public boolean isEnabled() {
-
return enabled;<br /> - }
}
Index: src/test/jme3test/post/TestRenderToTexture.java
===================================================================
— src/test/jme3test/post/TestRenderToTexture.java (revision 6688)
+++ src/test/jme3test/post/TestRenderToTexture.java (working copy)
@@ -33,6 +33,9 @@
package jme3test.post;
import com.jme3.app.SimpleApplication;
+import com.jme3.input.KeyInput;
+import com.jme3.input.controls.ActionListener;
+import com.jme3.input.controls.KeyTrigger;
import com.jme3.material.Material;
import com.jme3.math.ColorRGBA;
import com.jme3.math.FastMath;
@@ -50,10 +53,12 @@
/**
- This test renders a scene to a texture, then displays the texture on a cube.
*/
-public class TestRenderToTexture extends SimpleApplication {
+public class TestRenderToTexture extends SimpleApplication implements ActionListener {
- private static final String TOGGLE_UPDATE = "Toggle Update";
private Geometry offBox;
private float angle = 0;
- private ViewPort offView;
public static void main(String[] args){
TestRenderToTexture app = new TestRenderToTexture();
@@ -63,8 +68,7 @@
public Texture setupOffscreenView(){
Camera offCamera = new Camera(512, 512);
-
// create a pre-view. a view that is rendered before the main view<br /> -
ViewPort offView = renderManager.createPreView("Offscreen View", offCamera);<br />
-
offView = renderManager.createPreView("Offscreen View", offCamera);<br />
offView.setClearEnabled(true);
offView.setBackgroundColor(ColorRGBA.DarkGray);
@@ -114,6 +118,8 @@
mat.setTexture("ColorMap", offTex);
quad.setMaterial(mat);
rootNode.attachChild(quad);
-
inputManager.addMapping(TOGGLE_UPDATE, new KeyTrigger(KeyInput.KEY_SPACE));<br /> -
inputManager.addListener(this, TOGGLE_UPDATE);<br />
}
@Override
@@ -128,5 +134,12 @@
offBox.updateGeometricState();
}
-
@Override
- public void onAction(String name, boolean isPressed, float tpf) {
-
if (name.equals(TOGGLE_UPDATE) && isPressed) {<br /> -
offView.setEnabled(!offView.isEnabled());<br /> -
}<br /> - }
+
}
[/patch]