Combine forced render state with the one in the technique

jme3-core/src/main/java/com/jme3/material/Material.java

@@ -819,7 +819,14 @@ public class Material implements CloneableSmartAsset, Cloneable, Savable {
 
     private void updateRenderState(RenderManager renderManager, Renderer renderer, TechniqueDef techniqueDef) {
         if (renderManager.getForcedRenderState() != null) {
-            renderer.applyRenderState(renderManager.getForcedRenderState());
+            if (techniqueDef.getForcedRenderState() != null) {
+                renderer.applyRenderState(
+                        techniqueDef.getForcedRenderState().copyMergedTo(
+                                renderManager.getForcedRenderState(),
+                                mergedRenderState));
+            } else {
+                renderer.applyRenderState(renderManager.getForcedRenderState());
+            }
         } else {
             if (techniqueDef.getRenderState() != null) {
                 renderer.applyRenderState(techniqueDef.getRenderState().copyMergedTo(additionalState, mergedRenderState));

jme3-core/src/main/java/com/jme3/renderer/RenderManager.java

@@ -578,19 +578,11 @@ public class RenderManager {
                         : TechniqueDef.DEFAULT_TECHNIQUE_NAME;
 
                 geom.getMaterial().selectTechnique(forcedTechnique, this);
-                //saving forcedRenderState for future calls
-                RenderState tmpRs = forcedRenderState;
-                if (geom.getMaterial().getActiveTechnique().getDef().getForcedRenderState() != null) {
-                    //forcing forced technique renderState
-                    forcedRenderState = geom.getMaterial().getActiveTechnique().getDef().getForcedRenderState();
-                }
+
                 // use geometry's material
                 material.render(geom, this);
                 material.selectTechnique(previousTechniqueName, this);
 
-                //restoring forcedRenderState
-                forcedRenderState = tmpRs;
-
                 //Reverted this part from revision 6197
                 //If forcedTechnique does not exists, and forcedMaterial is not set, the geom MUST NOT be rendered
             } else if (forcedMaterial != null) {