* Throw UnsupportedOperationException if multiple FBO color attachments are used on Android (only a single attachment, GL_COLOR_ATTACHMENT0, is supported)

git-svn-id: https://jmonkeyengine.googlecode.com/svn/trunk@10526 75d07b2b-3a1a-0410-a2c5-0572b91ccdca

engine/src/android/com/jme3/renderer/android/OGLESShaderRenderer.java

@@ -1260,11 +1260,11 @@ public class OGLESShaderRenderer implements Renderer {
         // can also add support for stencil here
         if (attachmentSlot == -100) {
             return GLES20.GL_DEPTH_ATTACHMENT;
-        } else if (attachmentSlot < 0 || attachmentSlot >= 16) {
-            throw new UnsupportedOperationException("Invalid FBO attachment slot: " + attachmentSlot);
+        } else if (attachmentSlot == 0) {
+            return GLES20.GL_COLOR_ATTACHMENT0;
+        } else {
+            throw new UnsupportedOperationException("Android does not support multiple color attachments to an FBO");
         }
-
-        return GLES20.GL_COLOR_ATTACHMENT0 + attachmentSlot;
     }
 
     public void updateRenderTexture(FrameBuffer fb, RenderBuffer rb) {