Properly remove static pass

jme3-core/src/main/java/com/jme3/light/DefaultLightFilter.java

@@ -59,6 +59,7 @@ public final class DefaultLightFilter implements LightFilter {
         for (Light light : processedLights) {
             light.frustumCheckNeeded = true;
         }
+        processedLights.clear();
     }
 
     @Override

jme3-core/src/main/java/com/jme3/light/Light.java

@@ -37,6 +37,7 @@ import com.jme3.export.*;
 import com.jme3.math.ColorRGBA;
 import com.jme3.renderer.Camera;
 import com.jme3.scene.Spatial;
+import com.jme3.shadow.next.ShadowMap;
 import com.jme3.util.TempVars;
 import java.io.IOException;
 
@@ -120,6 +121,8 @@ public abstract class Light implements Savable, Cloneable {
     boolean frustumCheckNeeded = true;
     boolean intersectsFrustum  = false;
 
+    protected ShadowMap shadowMap;
+    
     protected Light() {
     }
 
@@ -164,6 +167,22 @@ public abstract class Light implements Savable, Cloneable {
     }
     */
     
+    /**
+     * @return the light's shadow map, or null if none was assigned.
+     */
+    public ShadowMap getShadowMap() {
+        return shadowMap;
+    }
+ 
+    /**
+     * Used internally to associate the light with a shadow map
+     * 
+     * @param shadowMap the light's shadow map
+     */
+    public void setShadowMap(ShadowMap shadowMap) {
+        this.shadowMap = shadowMap;
+    }
+
     /**
      * Sets the light color.
      * 

jme3-core/src/main/java/com/jme3/light/LightList.java

@@ -219,6 +219,18 @@ public final class LightList implements Iterable<Light>, Savable, Cloneable, Jme
         }
     }
 
+    public void sort(Comparator<Light> comparator) {
+        if (listSize > 1) {
+            if (tlist == null || tlist.length != list.length) {
+                tlist = list.clone();
+            } else {
+                System.arraycopy(list, 0, tlist, 0, list.length);
+            }
+
+            SortUtil.msort(tlist, list, 0, listSize - 1, comparator);
+        }
+    }
+
     /**
      * Updates a "world-space" light list, using the spatial's local-space
      * light list and its parent's world-space light list.

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

@@ -78,9 +78,9 @@ public class Material implements CloneableSmartAsset, Cloneable, Savable {
     private AssetKey key;
     private String name;
     private MaterialDef def;
-    private ListMap<String, MatParam> paramValues = new ListMap<String, MatParam>();
+    private ListMap<String, MatParam> paramValues = new ListMap<>();
     private Technique technique;
-    private HashMap<String, Technique> techniques = new HashMap<String, Technique>();
+    private HashMap<String, Technique> techniques = new HashMap<>();
     private RenderState additionalState = null;
     private RenderState mergedRenderState = new RenderState();
     private boolean transparent = false;
@@ -140,10 +140,12 @@ public class Material implements CloneableSmartAsset, Cloneable, Savable {
         this.name = name;
     }
 
+    @Override
     public void setKey(AssetKey key) {
         this.key = key;
     }
 
+    @Override
     public AssetKey getKey() {
         return key;
     }
@@ -197,9 +199,9 @@ public class Material implements CloneableSmartAsset, Cloneable, Savable {
                 mat.additionalState = additionalState.clone();
             }
             mat.technique = null;
-            mat.techniques = new HashMap<String, Technique>();
+            mat.techniques = new HashMap<>();
 
-            mat.paramValues = new ListMap<String, MatParam>();
+            mat.paramValues = new ListMap<>();
             for (int i = 0; i < paramValues.size(); i++) {
                 Map.Entry<String, MatParam> entry = paramValues.getEntry(i);
                 mat.paramValues.put(entry.getKey(), entry.getValue().clone());
@@ -866,7 +868,14 @@ public class Material implements CloneableSmartAsset, Cloneable, Savable {
 
     private void updateRenderState(RenderManager renderManager, Renderer renderer, TechniqueDef techniqueDef) {
         if (renderManager.getForcedRenderState() != null) {
+            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));
@@ -899,8 +908,8 @@ public class Material implements CloneableSmartAsset, Cloneable, Savable {
         // Get world overrides
         SafeArrayList<MatParamOverride> overrides = geometry.getWorldMatParamOverrides();
 
-        Shader shader = technique.makeCurrent(renderManager, overrides, null, null, rendererCaps);
-        updateShaderMaterialParameters(renderer, shader, overrides, null);
+        Shader shader = technique.makeCurrent(renderManager, geometry, overrides,  renderManager.getForcedMatParams(), rendererCaps);
+        updateShaderMaterialParameters(renderer, shader, overrides,  renderManager.getForcedMatParams());
         renderManager.getRenderer().setShader(shader);
     }
 
@@ -984,10 +993,9 @@ public class Material implements CloneableSmartAsset, Cloneable, Savable {
      * </ul>
      *
      * @param geometry The geometry to render
-     * @param lights Presorted and filtered light list to use for rendering
      * @param renderManager The render manager requesting the rendering
      */
-    public void render(Geometry geometry, LightList lights, RenderManager renderManager) {
+    public void render(Geometry geometry, RenderManager renderManager) {
         if (technique == null) {
             selectTechnique(TechniqueDef.DEFAULT_TECHNIQUE_NAME, renderManager);
         }
@@ -1007,7 +1015,7 @@ public class Material implements CloneableSmartAsset, Cloneable, Savable {
         SafeArrayList<MatParamOverride> overrides = geometry.getWorldMatParamOverrides();
 
         // Select shader to use
-        Shader shader = technique.makeCurrent(renderManager, overrides, renderManager.getForcedMatParams(), lights, rendererCaps);
+        Shader shader = technique.makeCurrent(renderManager, geometry, overrides, renderManager.getForcedMatParams(), rendererCaps);
         
         // Begin tracking which uniforms were changed by material.
         clearUniformsSetByCurrent(shader);
@@ -1016,36 +1024,13 @@ public class Material implements CloneableSmartAsset, Cloneable, Savable {
         renderManager.updateUniformBindings(shader);
         
         // Set material parameters
-        int unit = updateShaderMaterialParameters(renderer, shader, overrides, renderManager.getForcedMatParams());
+        int nextTextureUnit = updateShaderMaterialParameters(renderer, shader, overrides, renderManager.getForcedMatParams());
 
         // Clear any uniforms not changed by material.
         resetUniformsNotSetByCurrent(shader);
         
         // Delegate rendering to the technique
-        technique.render(renderManager, shader, geometry, lights, unit);
-    }
-
-    /**
-     * Called by {@link RenderManager} to render the geometry by
-     * using this material.
-     *
-     * Note that this version of the render method
-     * does not perform light filtering.
-     *
-     * @param geom The geometry to render
-     * @param rm The render manager requesting the rendering
-     */
-    public void render(Geometry geom, RenderManager rm) {
-        render(geom, geom.getWorldLightList(), rm);
-    }
-
-    public void write(JmeExporter ex) throws IOException {
-        OutputCapsule oc = ex.getCapsule(this);
-        oc.write(def.getAssetName(), "material_def", null);
-        oc.write(additionalState, "render_state", null);
-        oc.write(transparent, "is_transparent", false);
-        oc.write(name, "name", null);
-        oc.writeStringSavableMap(paramValues, "parameters", null);
+        technique.render(renderManager, shader, geometry, nextTextureUnit);
     }
 
     @Override
@@ -1056,6 +1041,17 @@ public class Material implements CloneableSmartAsset, Cloneable, Savable {
                 "]";
     }
     
+    @Override
+    public void write(JmeExporter ex) throws IOException {
+        OutputCapsule oc = ex.getCapsule(this);
+        oc.write(def.getAssetName(), "material_def", null);
+        oc.write(additionalState, "render_state", null);
+        oc.write(transparent, "is_transparent", false);
+        oc.write(name, "name", null);
+        oc.writeStringSavableMap(paramValues, "parameters", null);
+    }
+    
+    @Override
     public void read(JmeImporter im) throws IOException {
         InputCapsule ic = im.getCapsule(this);
 
@@ -1105,7 +1101,7 @@ public class Material implements CloneableSmartAsset, Cloneable, Savable {
         }
 
         def = (MaterialDef) im.getAssetManager().loadAsset(new AssetKey(defName));
-        paramValues = new ListMap<String, MatParam>();
+        paramValues = new ListMap<>();
 
         // load the textures and update nextTexUnit
         for (Map.Entry<String, MatParam> entry : params.entrySet()) {

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

@@ -435,6 +435,9 @@ public class RenderState implements Cloneable, Savable {
         ADDITIONAL.applyColorWrite = false;
         ADDITIONAL.applyBlendMode = false;
         ADDITIONAL.applyPolyOffset = false;
+        ADDITIONAL.applyStencilTest = false;
+        ADDITIONAL.applyLineWidth = false;
+        ADDITIONAL.applyDepthFunc = false;
     }
     boolean wireframe = false;
     boolean applyWireFrame = true;

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

@@ -133,9 +133,10 @@ public final class Technique {
      * @param rendererCaps The renderer capabilities which the shader should support.
      * @return A compatible shader.
      */
-    Shader makeCurrent(RenderManager renderManager, SafeArrayList<MatParamOverride> worldOverrides,
+    Shader makeCurrent(RenderManager renderManager, Geometry geometry,
+            SafeArrayList<MatParamOverride> worldOverrides,
             SafeArrayList<MatParamOverride> forcedOverrides,
-            LightList lights, EnumSet<Caps> rendererCaps) {
+            EnumSet<Caps> rendererCaps) {
         TechniqueDefLogic logic = def.getLogic();
         AssetManager assetManager = owner.getMaterialDef().getAssetManager();
 
@@ -149,7 +150,7 @@ public final class Technique {
             applyOverrides(dynamicDefines, forcedOverrides);
         }
 
-        return logic.makeCurrent(assetManager, renderManager, rendererCaps, lights, dynamicDefines);
+        return logic.makeCurrent(assetManager, renderManager, rendererCaps, geometry, dynamicDefines);
     }
     
     /**
@@ -161,9 +162,9 @@ public final class Technique {
      * @param geometry The geometry to render
      * @param lights Lights which influence the geometry.
      */
-    void render(RenderManager renderManager, Shader shader, Geometry geometry, LightList lights, int lastTexUnit) {
+    void render(RenderManager renderManager, Shader shader, Geometry geometry, int lastTextureUnit) {
         TechniqueDefLogic logic = def.getLogic();
-        logic.render(renderManager, shader, geometry, lights, lastTexUnit);
+        logic.render(renderManager, shader, geometry, lastTextureUnit);
     }
     
     /**

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

@@ -105,17 +105,6 @@ public class TechniqueDef implements Savable, Cloneable {
          */
         @Deprecated
         FixedPipeline,
-        /**
-         * Similar to {@link #SinglePass} except the type of each light is known
-         * at shader compile time.
-         * <p>
-         * The advantage is that the shader can be much more efficient, i.e. not
-         * do operations required for spot and point lights if it knows the
-         * light is a directional light. The disadvantage is that the number of
-         * shaders used balloons because of the variations in the number of
-         * lights used by objects.
-         */
-        StaticPass
     }
 
     public enum ShadowMode {

jme3-core/src/main/java/com/jme3/material/logic/DefaultTechniqueDefLogic.java

@@ -43,11 +43,13 @@ import com.jme3.scene.Mesh;
 import com.jme3.scene.instancing.InstancedGeometry;
 import com.jme3.shader.DefineList;
 import com.jme3.shader.Shader;
+import com.jme3.shadow.next.array.ArrayShadowMap;
 import java.util.EnumSet;
 
 public class DefaultTechniqueDefLogic implements TechniqueDefLogic {
 
     protected final TechniqueDef techniqueDef;
+    protected final LightList filteredLightList = new LightList(null);
 
     public DefaultTechniqueDefLogic(TechniqueDef techniqueDef) {
         this.techniqueDef = techniqueDef;
@@ -55,7 +57,7 @@ public class DefaultTechniqueDefLogic implements TechniqueDefLogic {
 
     @Override
     public Shader makeCurrent(AssetManager assetManager, RenderManager renderManager,
-            EnumSet<Caps> rendererCaps, LightList lights, DefineList defines) {
+            EnumSet<Caps> rendererCaps, Geometry geometry, DefineList defines) {
         return techniqueDef.getShader(assetManager, rendererCaps, defines);
     }
 
@@ -71,6 +73,41 @@ public class DefaultTechniqueDefLogic implements TechniqueDefLogic {
         }
     }
     
+    @Override
+    public void render(RenderManager renderManager, Shader shader, Geometry geometry, int lastTexUnit) {
+        Renderer renderer = renderManager.getRenderer();
+        renderer.setShader(shader);
+        renderMeshFromGeometry(renderer, geometry);
+    }
+    
+    protected LightList getFilteredLightList(RenderManager renderManager, Geometry geom) {
+        filteredLightList.clear();
+        renderManager.getLightFilter().filterLights(geom, filteredLightList);
+        return filteredLightList;
+    }
+    
+    protected float encodeLightType(Light light) {
+        switch (light.getType()) {
+            case Directional:
+                return 0.125f;
+            case Point:
+                return 0.25f;
+            case Spot:
+                return 0.5f;
+            default:
+                throw new UnsupportedOperationException("Invalid light type: " + light.getType());
+        }
+    }
+    
+    protected float encodeLightTypeAndShadowMapIndex(Light light) {
+        if (light.getShadowMap() == null) {
+            return encodeLightType(light);
+        } else {
+            ArrayShadowMap map = (ArrayShadowMap) light.getShadowMap();
+            return -(encodeLightType(light) + map.getFirstArraySlice());
+        }
+    }
+
     protected static ColorRGBA getAmbientColor(LightList lightList, boolean removeLights, ColorRGBA ambientLightColor) {
         ambientLightColor.set(0, 0, 0, 1);
         for (int j = 0; j < lightList.size(); j++) {
@@ -85,13 +122,4 @@ public class DefaultTechniqueDefLogic implements TechniqueDefLogic {
         ambientLightColor.a = 1.0f;
         return ambientLightColor;
     }
-
-
-
-    @Override
-    public void render(RenderManager renderManager, Shader shader, Geometry geometry, LightList lights, int lastTexUnit) {
-        Renderer renderer = renderManager.getRenderer();
-        renderer.setShader(shader);
-        renderMeshFromGeometry(renderer, geometry);
-    }
 }

jme3-core/src/main/java/com/jme3/material/logic/MultiPassLightingLogic.java

@@ -31,7 +31,6 @@
  */
 package com.jme3.material.logic;
 
-import com.jme3.asset.AssetManager;
 import com.jme3.light.AmbientLight;
 import com.jme3.light.DirectionalLight;
 import com.jme3.light.Light;
@@ -41,20 +40,16 @@ import com.jme3.light.SpotLight;
 import com.jme3.material.RenderState;
 import com.jme3.material.TechniqueDef;
 import com.jme3.math.ColorRGBA;
-import com.jme3.math.FastMath;
 import com.jme3.math.Quaternion;
 import com.jme3.math.Vector3f;
 import com.jme3.math.Vector4f;
-import com.jme3.renderer.Caps;
 import com.jme3.renderer.RenderManager;
 import com.jme3.renderer.Renderer;
 import com.jme3.scene.Geometry;
-import com.jme3.shader.DefineList;
 import com.jme3.shader.Shader;
 import com.jme3.shader.Uniform;
 import com.jme3.shader.VarType;
 import com.jme3.util.TempVars;
-import java.util.EnumSet;
 
 public final class MultiPassLightingLogic extends DefaultTechniqueDefLogic {
 
@@ -73,7 +68,7 @@ public final class MultiPassLightingLogic extends DefaultTechniqueDefLogic {
     }
 
     @Override
-    public void render(RenderManager renderManager, Shader shader, Geometry geometry, LightList lights, int lastTexUnit) {
+    public void render(RenderManager renderManager, Shader shader, Geometry geometry, int lastTexUnit) {
         Renderer r = renderManager.getRenderer();
         Uniform lightDir = shader.getUniform("g_LightDirection");
         Uniform lightColor = shader.getUniform("g_LightColor");
@@ -82,6 +77,7 @@ public final class MultiPassLightingLogic extends DefaultTechniqueDefLogic {
         boolean isFirstLight = true;
         boolean isSecondLight = false;
         
+        LightList lights = getFilteredLightList(renderManager, geometry);
         getAmbientColor(lights, false, ambientLightColor);
 
         for (int i = 0; i < lights.size(); i++) {

jme3-core/src/main/java/com/jme3/material/logic/SinglePassAndImageBasedLightingLogic.java

@@ -34,13 +34,19 @@ package com.jme3.material.logic;
 import com.jme3.asset.AssetManager;
 import com.jme3.bounding.BoundingSphere;
 import com.jme3.light.*;
+import static com.jme3.light.Light.Type.Directional;
+import static com.jme3.light.Light.Type.Spot;
 import com.jme3.material.*;
 import com.jme3.material.RenderState.BlendMode;
 import com.jme3.math.*;
 import com.jme3.renderer.*;
 import com.jme3.scene.Geometry;
 import com.jme3.shader.*;
-import com.jme3.util.TempVars;
+import com.jme3.shadow.next.array.ArrayShadowMap;
+import com.jme3.shadow.next.array.ArrayShadowMapSlice;
+import com.jme3.shadow.next.array.DirectionalArrayShadowMap;
+import com.jme3.texture.TextureArray;
+import java.util.Comparator;
 
 import java.util.*;
 
@@ -48,10 +54,16 @@ public final class SinglePassAndImageBasedLightingLogic extends DefaultTechnique
 
     private static final String DEFINE_SINGLE_PASS_LIGHTING = "SINGLE_PASS_LIGHTING";
     private static final String DEFINE_NB_LIGHTS = "NB_LIGHTS";
-    private static final String DEFINE_NB_PROBES = "NB_PROBES";
+    private static final String DEFINE_INDIRECT_LIGHTING = "INDIRECT_LIGHTING";
+    private static final String DEFINE_IN_PASS_SHADOWS = "IN_PASS_SHADOWS";
+    private static final String DEFINE_NUM_PSSM_SPLITS = "NUM_PSSM_SPLITS";
     private static final RenderState ADDITIVE_LIGHT = new RenderState();
 
     private final ColorRGBA ambientLightColor = new ColorRGBA(0, 0, 0, 1);
+    private TextureArray shadowMapArray;
+    private Vector3f pssmSplitsPositions;
+    private int numPssmSplits;
+    private static final String DEFINE_NB_PROBES = "NB_PROBES";
     private List<LightProbe> lightProbes = new ArrayList<>(3);
 
     static {
@@ -60,33 +72,79 @@ public final class SinglePassAndImageBasedLightingLogic extends DefaultTechnique
     }
 
     private final int singlePassLightingDefineId;
+    private final int inPassShadowsDefineId;
     private final int nbLightsDefineId;
+    private final int numPssmSplitsDefineId;
     private final int nbProbesDefineId;
 
     public SinglePassAndImageBasedLightingLogic(TechniqueDef techniqueDef) {
         super(techniqueDef);
+        numPssmSplitsDefineId = techniqueDef.addShaderUnmappedDefine(DEFINE_NUM_PSSM_SPLITS, VarType.Int);
         singlePassLightingDefineId = techniqueDef.addShaderUnmappedDefine(DEFINE_SINGLE_PASS_LIGHTING, VarType.Boolean);
         nbLightsDefineId = techniqueDef.addShaderUnmappedDefine(DEFINE_NB_LIGHTS, VarType.Int);
+        inPassShadowsDefineId = techniqueDef.addShaderUnmappedDefine(DEFINE_IN_PASS_SHADOWS, VarType.Boolean);
         nbProbesDefineId = techniqueDef.addShaderUnmappedDefine(DEFINE_NB_PROBES, VarType.Int);
     }
 
     @Override
     public Shader makeCurrent(AssetManager assetManager, RenderManager renderManager,
-            EnumSet<Caps> rendererCaps, LightList lights, DefineList defines) {
-        defines.set(nbLightsDefineId, renderManager.getSinglePassLightBatchSize() * 3);
+            EnumSet<Caps> rendererCaps, Geometry geometry, DefineList defines) {
+        
         defines.set(singlePassLightingDefineId, true);
 
+        // TODO: here we have a problem, this is called once before render,
+        // so the define will be set for all passes (in case we have more than NB_LIGHTS lights)
+        // Though the second pass should not render IBL as it is taken care of on 
+        // first pass like ambient light in phong lighting.
+        // We cannot change the define between passes and the old technique, and 
+        // for some reason the code fails on mac (renders nothing).
+        getFilteredLightList(renderManager, geometry);
        
-        //TODO here we have a problem, this is called once before render, so the define will be set for all passes (in case we have more than NB_LIGHTS lights)
-        //Though the second pass should not render IBL as it is taken care of on first pass like ambient light in phong lighting.
-        //We cannot change the define between passes and the old technique, and for some reason the code fails on mac (renders nothing).
-        if(lights != null) {
+        ambientLightColor.set(0, 0, 0, 1);
         lightProbes.clear();
-            extractIndirectLights(lights, false);
-            defines.set(nbProbesDefineId, lightProbes.size());
-        }
+        pssmSplitsPositions = null;
+        numPssmSplits = 0;
         
-        return super.makeCurrent(assetManager, renderManager, rendererCaps, lights, defines);
+        for (int i = 0; i < filteredLightList.size(); i++) {
+            Light light = filteredLightList.get(i);
+            if (light instanceof AmbientLight) {
+                ambientLightColor.addLocal(light.getColor());
+                filteredLightList.remove(i--);
+            } else if (light instanceof LightProbe) {
+                lightProbes.add((LightProbe) light);
+                filteredLightList.remove(i--);
+            } else if (light.getShadowMap() != null) {
+                ArrayShadowMap shadowMap = (ArrayShadowMap) light.getShadowMap();
+                shadowMapArray = shadowMap.getArray();
+                if (light.getType() == Light.Type.Directional) {
+                    numPssmSplits = shadowMap.getNumSlices();
+                    pssmSplitsPositions = ((DirectionalArrayShadowMap) shadowMap).getProjectionSplitPositions();
+                }
+            }
+        }
+        defines.set(nbProbesDefineId, lightProbes.size());
+        ambientLightColor.a = 1.0f;
+        
+        filteredLightList.sort(new Comparator<Light>() {
+            @Override
+            public int compare(Light a, Light b) {
+                boolean shadA = a.getShadowMap() != null;
+                boolean shadB = b.getShadowMap() != null;
+                if (shadA != shadB) {
+                    return shadA ? -1 : 1;
+                } else {
+                    int ordA = a.getType().ordinal();
+                    int ordB = b.getType().ordinal();
+                    return ordB - ordA;
+                }
+            }
+        });
+        
+        defines.set(nbLightsDefineId, renderManager.getSinglePassLightBatchSize() * 3);
+        defines.set(inPassShadowsDefineId, shadowMapArray != null);
+        defines.set(numPssmSplitsDefineId, numPssmSplits);
+        
+        return super.makeCurrent(assetManager, renderManager, rendererCaps, geometry, defines);
     }
 
     /**
@@ -123,13 +181,11 @@ public final class SinglePassAndImageBasedLightingLogic extends DefaultTechnique
         Uniform shCoeffs3 = shader.getUniform("g_ShCoeffs3");
         Uniform lightProbePemMap3 = shader.getUniform("g_PrefEnvMap3");
 
-        lightProbes.clear();
         if (startIndex != 0) {
             // apply additive blending for 2nd and future passes
             rm.getRenderer().applyRenderState(ADDITIVE_LIGHT);
             ambientColor.setValue(VarType.Vector4, ColorRGBA.Black);
-        }else{
-            extractIndirectLights(lightList,true);
+        } else {
             ambientColor.setValue(VarType.Vector4, ambientLightColor);
         }
 
@@ -150,88 +206,103 @@ public final class SinglePassAndImageBasedLightingLogic extends DefaultTechnique
             lightProbeData.setValue(VarType.Matrix4, LightProbe.FALLBACK_MATRIX);
         }
 
+        Uniform shadowMatricesUniform = shader.getUniform("g_ShadowMatrices");
+        shadowMatricesUniform.setMatrix4Length(numLights + numPssmSplits);
+        int shadowMatrixIndex = numPssmSplits;
         int lightDataIndex = 0;
-        TempVars vars = TempVars.get();
-        Vector4f tmpVec = vars.vect4f1;
         int curIndex;
-        int endIndex = numLights + startIndex;
-        for (curIndex = startIndex; curIndex < endIndex && curIndex < lightList.size(); curIndex++) {
+        int endIndex = Math.min(startIndex + numLights, lightList.size());
         
+        ArrayShadowMap directionalShadowMap = null;
         
-            Light l = lightList.get(curIndex);
-            if(l.getType() == Light.Type.Ambient){
-                endIndex++;
-                continue;
+        for (curIndex = startIndex; curIndex < endIndex; curIndex++) {
+            Light light = lightList.get(curIndex);
+            
+            if (light.getType() == Light.Type.Ambient || light.getType() == Light.Type.Probe) {
+                throw new AssertionError();
             }
-            ColorRGBA color = l.getColor();
-            //Color
             
-            if(l.getType() != Light.Type.Probe){
-                lightData.setVector4InArray(color.getRed(),
+            if (light.getShadowMap() != null) {
+                ArrayShadowMap shadowMap = (ArrayShadowMap) light.getShadowMap();
+                if (light.getType() == Directional) {
+                    directionalShadowMap = shadowMap;
+                } else if (light.getType() == Spot) {
+                    for (int j = 0; j < shadowMap.getNumSlices(); j++) {
+                        ArrayShadowMapSlice slice = (ArrayShadowMapSlice) shadowMap.getSlice(j);
+                        shadowMatricesUniform.setMatrix4InArray(
+                                slice.getBiasedViewProjectionMatrix(),
+                                shadowMatrixIndex);
+                        shadowMatrixIndex++;
+                    }
+                }
+            }
+            
+            ColorRGBA color = light.getColor();
+            lightData.setVector4InArray(
+                    color.getRed(),
                     color.getGreen(),
                     color.getBlue(),
-                        l.getType().getId(),
-                        lightDataIndex);
-                lightDataIndex++;
-            }
+                    encodeLightTypeAndShadowMapIndex(light),
+                    lightDataIndex++);
 
-            switch (l.getType()) {
-                case Directional:
-                    DirectionalLight dl = (DirectionalLight) l;
+            switch (light.getType()) {
+                case Directional: {
+                    DirectionalLight dl = (DirectionalLight) light;
                     Vector3f dir = dl.getDirection();
-                    //Data directly sent in view space to avoid a matrix mult for each pixel
-                    tmpVec.set(dir.getX(), dir.getY(), dir.getZ(), 0.0f);
-                    lightData.setVector4InArray(tmpVec.getX(), tmpVec.getY(), tmpVec.getZ(), -1, lightDataIndex);
-                    lightDataIndex++;
-                    //PADDING
-                    lightData.setVector4InArray(0,0,0,0, lightDataIndex);
-                    lightDataIndex++;
+                    lightData.setVector4InArray(dir.getX(), dir.getY(), dir.getZ(), -1, lightDataIndex++);
+                    lightData.setVector4InArray(0, 0, 0, 0, lightDataIndex++);
                     break;
-                case Point:
-                    PointLight pl = (PointLight) l;
+                }
+                case Point: {
+                    PointLight pl = (PointLight) light;
                     Vector3f pos = pl.getPosition();
                     float invRadius = pl.getInvRadius();
-                    tmpVec.set(pos.getX(), pos.getY(), pos.getZ(), 1.0f);
-
-                    lightData.setVector4InArray(tmpVec.getX(), tmpVec.getY(), tmpVec.getZ(), invRadius, lightDataIndex);
-                    lightDataIndex++;
-                    //PADDING
-                    lightData.setVector4InArray(0,0,0,0, lightDataIndex);
-                    lightDataIndex++;
+                    lightData.setVector4InArray(pos.getX(), pos.getY(), pos.getZ(), invRadius, lightDataIndex++);
+                    lightData.setVector4InArray(0, 0, 0, 0, lightDataIndex++);
                     break;
-                case Spot:
-                    SpotLight sl = (SpotLight) l;
-                    Vector3f pos2 = sl.getPosition();
-                    Vector3f dir2 = sl.getDirection();
+                }
+                case Spot: {
+                    SpotLight sl = (SpotLight) light;
+                    Vector3f pos = sl.getPosition();
+                    Vector3f dir = sl.getDirection();
                     float invRange = sl.getInvSpotRange();
                     float spotAngleCos = sl.getPackedAngleCos();
-                    tmpVec.set(pos2.getX(), pos2.getY(), pos2.getZ(),  1.0f);
-
-                    lightData.setVector4InArray(tmpVec.getX(), tmpVec.getY(), tmpVec.getZ(), invRange, lightDataIndex);
-                    lightDataIndex++;
-
-                    tmpVec.set(dir2.getX(), dir2.getY(), dir2.getZ(),  0.0f);
-                    lightData.setVector4InArray(tmpVec.getX(), tmpVec.getY(), tmpVec.getZ(), spotAngleCos, lightDataIndex);
-                    lightDataIndex++;
+                    lightData.setVector4InArray(pos.getX(), pos.getY(), pos.getZ(), invRange, lightDataIndex++);
+                    lightData.setVector4InArray(dir.getX(), dir.getY(), dir.getZ(), spotAngleCos, lightDataIndex++);
                     break;
+                }
                 default:
-                    throw new UnsupportedOperationException("Unknown type of light: " + l.getType());
+                    throw new UnsupportedOperationException("Unknown type of light: " + light.getType());
             }
         }
-        vars.release();
 
-        //Padding of unsued buffer space
-        while(lightDataIndex < numLights * 3) {
-            lightData.setVector4InArray(0f, 0f, 0f, 0f, lightDataIndex);
-            lightDataIndex++;
+        // Padding of unsued buffer space
+        while (lightDataIndex < numLights * 3) {
+            lightData.setVector4InArray(0f, 0f, 0f, 0f, lightDataIndex++);
         }
+        
+        if (directionalShadowMap != null) {
+            for (int i = 0; i < numPssmSplits; i++) {
+                ArrayShadowMapSlice slice = (ArrayShadowMapSlice) directionalShadowMap.getSlice(i);
+                shadowMatricesUniform.setMatrix4InArray(slice.getBiasedViewProjectionMatrix(), i);
+            }
+        }
+
+        if (shadowMapArray != null) {
+            rm.getRenderer().setTexture(lastTexUnit, shadowMapArray);
+            shader.getUniform("g_ShadowMapArray").setValue(VarType.Int, lastTexUnit);
+        }
+        
+        if (pssmSplitsPositions != null) {
+            shader.getUniform("g_PssmSplits").setValue(VarType.Vector3, pssmSplitsPositions);
+        }
+
         return curIndex;
     }
 
     private int setProbeData(RenderManager rm, int lastTexUnit, Uniform lightProbeData, Uniform shCoeffs, Uniform lightProbePemMap, LightProbe lightProbe) {
 
         lightProbeData.setValue(VarType.Matrix4, lightProbe.getUniformMatrix());
-                //setVector4InArray(lightProbe.getPosition().x, lightProbe.getPosition().y, lightProbe.getPosition().z, 1f / area.getRadius() + lightProbe.getNbMipMaps(), 0);
         shCoeffs.setValue(VarType.Vector3Array, lightProbe.getShCoeffs());
         //assigning new texture indexes
         int pemUnit = lastTexUnit++;
@@ -241,43 +312,20 @@ public final class SinglePassAndImageBasedLightingLogic extends DefaultTechnique
     }
 
     @Override
-    public void render(RenderManager renderManager, Shader shader, Geometry geometry, LightList lights, int lastTexUnit) {
+    public void render(RenderManager renderManager, Shader shader, Geometry geometry, int lastTexUnit) {
         int nbRenderedLights = 0;
         Renderer renderer = renderManager.getRenderer();
         int batchSize = renderManager.getSinglePassLightBatchSize();
-        if (lights.size() == 0) {
-            updateLightListUniforms(shader, geometry, lights,batchSize, renderManager, 0, lastTexUnit);
+        if (filteredLightList.size() == 0) {
+            updateLightListUniforms(shader, geometry, filteredLightList,batchSize, renderManager, 0, lastTexUnit);
             renderer.setShader(shader);
             renderMeshFromGeometry(renderer, geometry);
         } else {
-            while (nbRenderedLights < lights.size()) {
-                nbRenderedLights = updateLightListUniforms(shader, geometry, lights, batchSize, renderManager, nbRenderedLights, lastTexUnit);
+            while (nbRenderedLights < filteredLightList.size()) {
+                nbRenderedLights = updateLightListUniforms(shader, geometry, filteredLightList, batchSize, renderManager, nbRenderedLights, lastTexUnit);
                 renderer.setShader(shader);
                 renderMeshFromGeometry(renderer, geometry);
             }
         }
-        return;
-    }
-
-    protected void extractIndirectLights(LightList lightList, boolean removeLights) {
-        ambientLightColor.set(0, 0, 0, 1);
-        for (int j = 0; j < lightList.size(); j++) {
-            Light l = lightList.get(j);
-            if (l instanceof AmbientLight) {
-                ambientLightColor.addLocal(l.getColor());
-                if(removeLights){
-                    lightList.remove(l);
-                    j--;
-                }
-            }
-            if (l instanceof LightProbe) {
-                lightProbes.add((LightProbe) l);
-                if(removeLights){
-                    lightList.remove(l);
-                    j--;
-                }
-            }
-        }
-        ambientLightColor.a = 1.0f;
     }
 }

jme3-core/src/main/java/com/jme3/material/logic/SinglePassLightingLogic.java

@@ -77,25 +77,31 @@ public final class SinglePassLightingLogic extends DefaultTechniqueDefLogic {
     }
 
     @Override
-    public Shader makeCurrent(AssetManager assetManager, RenderManager renderManager,
-            EnumSet<Caps> rendererCaps, LightList lights, DefineList defines) {
+    public Shader makeCurrent(
+            AssetManager assetManager, 
+            RenderManager renderManager,
+            EnumSet<Caps> rendererCaps, 
+            Geometry geometry,
+            DefineList defines) {
         defines.set(nbLightsDefineId, renderManager.getSinglePassLightBatchSize() * 3);
         defines.set(singlePassLightingDefineId, true);
-        return super.makeCurrent(assetManager, renderManager, rendererCaps, lights, defines);
+        return super.makeCurrent(assetManager, renderManager, rendererCaps, geometry, defines);
     }
 
     /**
-     * Uploads the lights in the light list as two uniform arrays.<br/><br/> *
+     * Uploads the lights in the light list as two uniform arrays.<br><br>
+     *
      * <p>
-     * <code>uniform vec4 g_LightColor[numLights];</code><br/> //
-     * g_LightColor.rgb is the diffuse/specular color of the light.<br/> //
-     * g_Lightcolor.a is the type of light, 0 = Directional, 1 = Point, <br/> //
-     * 2 = Spot. <br/> <br/>
-     * <code>uniform vec4 g_LightPosition[numLights];</code><br/> //
-     * g_LightPosition.xyz is the position of the light (for point lights)<br/>
-     * // or the direction of the light (for directional lights).<br/> //
+     * <code>uniform vec4 g_LightColor[numLights];</code><br>
+     * g_LightColor.rgb is the diffuse/specular color of the light.<br>
+     * g_Lightcolor.a is the type of light, 0 = Directional, 1 = Point, <br>
+     * 2 = Spot. <br> <br>
+     * <code>uniform vec4 g_LightPosition[numLights];</code><br>
+     * g_LightPosition.xyz is the position of the light (for point lights)<br>
+     * // or the direction of the light (for directional lights).<br>
      * g_LightPosition.w is the inverse radius (1/r) of the light (for
-     * attenuation) <br/> </p>
+     * attenuation) <br>
+     * </p>
      */
     protected int updateLightListUniforms(Shader shader, Geometry g, LightList lightList, int numLights, RenderManager rm, int startIndex) {
         if (numLights == 0) { // this shader does not do lighting, ignore.
@@ -131,7 +137,7 @@ public final class SinglePassLightingLogic extends DefaultTechniqueDefLogic {
             lightData.setVector4InArray(color.getRed(),
                     color.getGreen(),
                     color.getBlue(),
-                    l.getType().getId(),
+                    encodeLightType(l),
                     lightDataIndex);
             lightDataIndex++;
 
@@ -198,10 +204,11 @@ public final class SinglePassLightingLogic extends DefaultTechniqueDefLogic {
     }
 
     @Override
-    public void render(RenderManager renderManager, Shader shader, Geometry geometry, LightList lights, int lastTexUnit) {
+    public void render(RenderManager renderManager, Shader shader, Geometry geometry, int lastTexUnit) {
         int nbRenderedLights = 0;
         Renderer renderer = renderManager.getRenderer();
         int batchSize = renderManager.getSinglePassLightBatchSize();
+        LightList lights = getFilteredLightList(renderManager, geometry);
         if (lights.size() == 0) {
             updateLightListUniforms(shader, geometry, lights, batchSize, renderManager, 0);
             renderer.setShader(shader);

jme3-core/src/main/java/com/jme3/material/logic/StaticPassLightingLogic.java

@@ -1,182 +0,0 @@
-/*
- * Copyright (c) 2009-2015 jMonkeyEngine
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions are
- * met:
- *
- * * Redistributions of source code must retain the above copyright
- *   notice, this list of conditions and the following disclaimer.
- *
- * * Redistributions in binary form must reproduce the above copyright
- *   notice, this list of conditions and the following disclaimer in the
- *   documentation and/or other materials provided with the distribution.
- *
- * * Neither the name of 'jMonkeyEngine' nor the names of its contributors
- *   may be used to endorse or promote products derived from this software
- *   without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
- * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
- * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
- * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
- * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
- * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
- * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
- * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
- * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
- * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
- * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- */
-package com.jme3.material.logic;
-
-import com.jme3.asset.AssetManager;
-import com.jme3.light.DirectionalLight;
-import com.jme3.light.Light;
-import com.jme3.light.LightList;
-import com.jme3.light.PointLight;
-import com.jme3.light.SpotLight;
-import com.jme3.material.TechniqueDef;
-import com.jme3.math.ColorRGBA;
-import com.jme3.math.Matrix4f;
-import com.jme3.math.Vector3f;
-import com.jme3.renderer.Caps;
-import com.jme3.renderer.RenderManager;
-import com.jme3.renderer.Renderer;
-import com.jme3.scene.Geometry;
-import com.jme3.shader.DefineList;
-import com.jme3.shader.Shader;
-import com.jme3.shader.Uniform;
-import com.jme3.shader.VarType;
-import java.util.ArrayList;
-import java.util.EnumSet;
-
-/**
- * Rendering logic for static pass.
- *
- * @author Kirill Vainer
- */
-public final class StaticPassLightingLogic extends DefaultTechniqueDefLogic {
-
-    private static final String DEFINE_NUM_DIR_LIGHTS = "NUM_DIR_LIGHTS";
-    private static final String DEFINE_NUM_POINT_LIGHTS = "NUM_POINT_LIGHTS";
-    private static final String DEFINE_NUM_SPOT_LIGHTS = "NUM_SPOT_LIGHTS";
-
-    private final int numDirLightsDefineId;
-    private final int numPointLightsDefineId;
-    private final int numSpotLightsDefineId;
-
-    private final ArrayList<DirectionalLight> tempDirLights = new ArrayList<DirectionalLight>();
-    private final ArrayList<PointLight> tempPointLights = new ArrayList<PointLight>();
-    private final ArrayList<SpotLight> tempSpotLights = new ArrayList<SpotLight>();
-
-    private final ColorRGBA ambientLightColor = new ColorRGBA(0, 0, 0, 1);
-    private final Vector3f tempPosition = new Vector3f();
-    private final Vector3f tempDirection = new Vector3f();
-
-    public StaticPassLightingLogic(TechniqueDef techniqueDef) {
-        super(techniqueDef);
-
-        numDirLightsDefineId = techniqueDef.addShaderUnmappedDefine(DEFINE_NUM_DIR_LIGHTS, VarType.Int);
-        numPointLightsDefineId = techniqueDef.addShaderUnmappedDefine(DEFINE_NUM_POINT_LIGHTS, VarType.Int);
-        numSpotLightsDefineId = techniqueDef.addShaderUnmappedDefine(DEFINE_NUM_SPOT_LIGHTS, VarType.Int);
-    }
-
-    @Override
-    public Shader makeCurrent(AssetManager assetManager, RenderManager renderManager,
-            EnumSet<Caps> rendererCaps, LightList lights, DefineList defines) {
-
-        // TODO: if it ever changes that render isn't called
-        // right away with the same geometry after makeCurrent, it would be
-        // a problem.
-        // Do a radix sort.
-        tempDirLights.clear();
-        tempPointLights.clear();
-        tempSpotLights.clear();
-        for (Light light : lights) {
-            switch (light.getType()) {
-                case Directional:
-                    tempDirLights.add((DirectionalLight) light);
-                    break;
-                case Point:
-                    tempPointLights.add((PointLight) light);
-                    break;
-                case Spot:
-                    tempSpotLights.add((SpotLight) light);
-                    break;
-            }
-        }
-
-        defines.set(numDirLightsDefineId, tempDirLights.size());
-        defines.set(numPointLightsDefineId, tempPointLights.size());
-        defines.set(numSpotLightsDefineId, tempSpotLights.size());
-
-        return techniqueDef.getShader(assetManager, rendererCaps, defines);
-    }
-
-    private void transformDirection(Matrix4f viewMatrix, Vector3f direction) {
-        viewMatrix.multNormal(direction, direction);
-    }
-
-    private void transformPosition(Matrix4f viewMatrix, Vector3f location) {
-        viewMatrix.mult(location, location);
-    }
-
-    private void updateLightListUniforms(Matrix4f viewMatrix, Shader shader, LightList lights) {
-        Uniform ambientColor = shader.getUniform("g_AmbientLightColor");
-        ambientColor.setValue(VarType.Vector4, getAmbientColor(lights, true, ambientLightColor));
-
-        Uniform lightData = shader.getUniform("g_LightData");
-
-        int totalSize = tempDirLights.size() * 2
-                + tempPointLights.size() * 2
-                + tempSpotLights.size() * 3;
-        lightData.setVector4Length(totalSize);
-
-        int index = 0;
-        for (DirectionalLight light : tempDirLights) {
-            ColorRGBA color = light.getColor();
-            tempDirection.set(light.getDirection());
-            transformDirection(viewMatrix, tempDirection);
-            lightData.setVector4InArray(color.r, color.g, color.b, 1f, index++);
-            lightData.setVector4InArray(tempDirection.x, tempDirection.y, tempDirection.z, 1f, index++);
-        }
-
-        for (PointLight light : tempPointLights) {
-            ColorRGBA color = light.getColor();
-            tempPosition.set(light.getPosition());
-            float invRadius = light.getInvRadius();
-            transformPosition(viewMatrix, tempPosition);
-            lightData.setVector4InArray(color.r, color.g, color.b, 1f, index++);
-            lightData.setVector4InArray(tempPosition.x, tempPosition.y, tempPosition.z, invRadius, index++);
-        }
-
-        for (SpotLight light : tempSpotLights) {
-            ColorRGBA color = light.getColor();
-            Vector3f pos = light.getPosition();
-            Vector3f dir = light.getDirection();
-
-            tempPosition.set(light.getPosition());
-            tempDirection.set(light.getDirection());
-            transformPosition(viewMatrix, tempPosition);
-            transformDirection(viewMatrix, tempDirection);
-
-            float invRange = light.getInvSpotRange();
-            float spotAngleCos = light.getPackedAngleCos();
-            lightData.setVector4InArray(color.r, color.g, color.b, 1f, index++);
-            lightData.setVector4InArray(tempPosition.x, tempPosition.y, tempPosition.z, invRange, index++);
-            lightData.setVector4InArray(tempDirection.x, tempDirection.y, tempDirection.z, spotAngleCos, index++);
-        }
-    }
-
-    @Override
-    public void render(RenderManager renderManager, Shader shader, Geometry geometry, LightList lights, int lastTexUnit) {
-        Renderer renderer = renderManager.getRenderer();
-        Matrix4f viewMatrix = renderManager.getCurrentCamera().getViewMatrix();
-        updateLightListUniforms(viewMatrix, shader, lights);
-        renderer.setShader(shader);
-        renderMeshFromGeometry(renderer, geometry);
-    }
-
-}

jme3-core/src/main/java/com/jme3/material/logic/TechniqueDefLogic.java

@@ -32,7 +32,9 @@
 package com.jme3.material.logic;
 
 import com.jme3.asset.AssetManager;
-import com.jme3.light.LightList;
+import com.jme3.material.MatParam;
+import com.jme3.material.RenderState;
+import com.jme3.material.TechniqueDef;
 import com.jme3.material.TechniqueDef.LightMode;
 import com.jme3.renderer.Caps;
 import com.jme3.renderer.RenderManager;
@@ -63,11 +65,10 @@ public interface TechniqueDefLogic {
      * 
      * @param assetManager The asset manager to use for loading shader source code,
      * shader nodes, and and lookup textures.
+     * @param geometry The geometry being rendered
      * @param renderManager The render manager for which rendering is to be performed.
      * @param rendererCaps Renderer capabilities. The returned shader must
      * support these capabilities.
-     * @param lights The lights with which the geometry shall be rendered. This
-     * list must not include culled lights.
      * @param defines The define list used by the technique, any 
      * {@link TechniqueDef#addShaderUnmappedDefine(java.lang.String) unmapped defines}
      * should be set here to change shader behavior.
@@ -75,7 +76,7 @@ public interface TechniqueDefLogic {
      * @return The shader to use for rendering.
      */
     public Shader makeCurrent(AssetManager assetManager, RenderManager renderManager,
-            EnumSet<Caps> rendererCaps, LightList lights, DefineList defines);
+            EnumSet<Caps> rendererCaps, Geometry geometry, DefineList defines);
     
     /**
      * Requests that the <code>TechniqueDefLogic</code> renders the given geometry.
@@ -88,10 +89,10 @@ public interface TechniqueDefLogic {
      * can still be overriden.
      * 
      * @param renderManager The render manager to perform the rendering against.
-     * * @param shader The shader that was selected by this logic in 
+     * @param shader The shader that was selected by this logic in 
      * {@link #makeCurrent(com.jme3.asset.AssetManager, com.jme3.renderer.RenderManager, java.util.EnumSet, com.jme3.shader.DefineList)}.
      * @param geometry The geometry to render
-     * @param lights Lights which influence the geometry.
+     * @param lastTextureUnit The last unused texture unit
      */
-    public void render(RenderManager renderManager, Shader shader, Geometry geometry, LightList lights, int lastTexUnit);
+    public void render(RenderManager renderManager, Shader shader, Geometry geometry, int lastTextureUnit);
 }

jme3-core/src/main/java/com/jme3/math/Matrix4f.java

@@ -753,7 +753,6 @@ public final class Matrix4f implements Savable, Cloneable, java.io.Serializable
 
         TempVars vars = TempVars.get();
 
-
         fillFloatArray(vars.matrixWrite, columnMajor);
         fb.put(vars.matrixWrite, 0, 16);
 

jme3-core/src/main/java/com/jme3/post/PreDepthProcessor.java

@@ -60,7 +60,7 @@ public class PreDepthProcessor implements SceneProcessor {
         preDepth.getAdditionalRenderState().setPolyOffset(0, 0);
         preDepth.getAdditionalRenderState().setFaceCullMode(FaceCullMode.Back);
 
-        forcedRS = new RenderState();
+        forcedRS = RenderState.ADDITIONAL.clone();
         forcedRS.setDepthTest(true);
         forcedRS.setDepthWrite(false);
     }

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

@@ -84,7 +84,6 @@ public class RenderManager {
     private final SafeArrayList<MatParamOverride> forcedOverrides = new SafeArrayList<>(MatParamOverride.class);
     private int viewX, viewY, viewWidth, viewHeight;
     private final Matrix4f orthoMatrix = new Matrix4f();
-    private final LightList filteredLightList = new LightList(null);
     private boolean handleTranlucentBucket = true;
     private AppProfiler prof;
     private LightFilter lightFilter = new DefaultLightFilter();
@@ -563,15 +562,6 @@ public class RenderManager {
             setWorldMatrix(geom.getWorldMatrix());
         }
 
-        // Perform light filtering if we have a light filter.
-        LightList lightList = geom.getWorldLightList();
-        
-        if (lightFilter != null) {
-            filteredLightList.clear();
-            lightFilter.filterLights(geom, filteredLightList);
-            lightList = filteredLightList;
-        }
-
         Material material = geom.getMaterial();
 
         //if forcedTechnique we try to force it for render,
@@ -588,30 +578,22 @@ 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, lightList, this);
-                material.selectTechnique(previousTechniqueName, this);
 
-                //restoring forcedRenderState
-                forcedRenderState = tmpRs;
+                // use geometry's material
+                material.render(geom, this);
+                material.selectTechnique(previousTechniqueName, this);
 
                 //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) {
                 // use forced material
-                forcedMaterial.render(geom, lightList, this);
+                forcedMaterial.render(geom, this);
             }
         } else if (forcedMaterial != null) {
             // use forced material
-            forcedMaterial.render(geom, lightList, this);
+            forcedMaterial.render(geom, this);
         } else {
-            material.render(geom, lightList, this);
+            material.render(geom, this);
         }
     }
 

jme3-core/src/main/java/com/jme3/renderer/opengl/GLDebugES.java

@@ -221,7 +221,7 @@ public class GLDebugES extends GLDebug implements GL, GLFbo, GLExt {
 
     @Override
     public void glGenQueries(int num, IntBuffer ids) {
-        glGenQueries(num, ids);
+        gl.glGenQueries(num, ids);
         checkError();
     }
 

jme3-core/src/main/java/com/jme3/renderer/opengl/GLTracer.java

@@ -90,6 +90,7 @@ public final class GLTracer implements InvocationHandler {
         noEnumArgs("glTexImage3D", 1, 3, 4, 5, 6);
         noEnumArgs("glTexSubImage2D", 1, 2, 3, 4, 5);
         noEnumArgs("glTexSubImage3D", 1, 2, 3, 4, 5, 6, 7);
+        noEnumArgs("glTexImage2DMultisample", 1, 3, 4);
         noEnumArgs("glCompressedTexImage2D", 1, 3, 4, 5);
         noEnumArgs("glCompressedTexSubImage3D", 1, 2, 3, 4, 5, 6, 7);
         noEnumArgs("glDeleteTextures", 0);
@@ -101,6 +102,7 @@ public final class GLTracer implements InvocationHandler {
         noEnumArgs("glVertexAttribPointer", 0, 1, 4, 5);
         noEnumArgs("glVertexAttribDivisorARB", 0, 1);
         noEnumArgs("glDrawRangeElements", 1, 2, 3, 5);
+        noEnumArgs("glDrawElementsInstancedARB", 1, 3, 4);
         noEnumArgs("glDrawArrays", 1, 2);
         noEnumArgs("glDeleteBuffers", 0);
         noEnumArgs("glBindVertexArray", 0);

jme3-core/src/main/java/com/jme3/renderer/opengl/TextureUtil.java

@@ -199,10 +199,12 @@ final class TextureUtil {
                                      format.format,
                                      format.dataType,
                                      data);
-                } else {
+                } else if (data != null) {
                     // For texture arrays, only upload 1 slice at a time.
                     // zoffset specifies slice index, and depth is 1 to indicate
                     // a single texture in the array.
+                    // We don't need to do this for NULL data because the
+                    // main texture storage was already allocated with slice == -1
                     gl2.glTexSubImage3D(target,
                                         level,          // level
                                         0,              // xoffset

jme3-core/src/main/java/com/jme3/shader/Uniform.java

@@ -197,7 +197,7 @@ public class Uniform extends ShaderVariable {
         }
     }
     
-    public void setValue(VarType type, Object value){
+    public void setValue(VarType type, Object value) {
         if (location == LOC_NOT_DEFINED) {
             return;
         }
@@ -402,8 +402,36 @@ public class Uniform extends ShaderVariable {
         updateNeeded = true;
     }
     
-    public void setVector4Length(int length){
-        if (location == -1) {
+    public void setMatrix4Length(int length) {
+        if (location == LOC_NOT_DEFINED) {
+            return;
+        }
+
+        multiData = BufferUtils.ensureLargeEnough(multiData, length * 4 * 4);
+        value = multiData;
+        varType = VarType.Matrix4Array;
+        updateNeeded = true;
+        setByCurrentMaterial = true;
+    }
+    
+    public void setMatrix4InArray(Matrix4f matrix, int index) {
+        if (location == LOC_NOT_DEFINED) {
+            return;
+        }
+
+        if (varType != null && varType != VarType.Matrix4Array) {
+            throw new IllegalArgumentException("Expected a " + varType.name() + " value!");
+        }
+
+        multiData.position(index * 4 * 4);
+        matrix.fillFloatBuffer(multiData, true);
+        multiData.rewind();
+        updateNeeded = true;
+        setByCurrentMaterial = true;
+    }
+
+    public void setVector4Length(int length) {
+        if (location == LOC_NOT_DEFINED) {
             return;
         }
 
@@ -414,8 +442,8 @@ public class Uniform extends ShaderVariable {
         setByCurrentMaterial = true;
     }
 
-    public void setVector4InArray(float x, float y, float z, float w, int index){
-        if (location == -1) {
+    public void setVector4InArray(float x, float y, float z, float w, int index) {
+        if (location == LOC_NOT_DEFINED) {
             return;
         }
 

jme3-core/src/main/java/com/jme3/shadow/AbstractShadowRenderer.java

@@ -94,7 +94,7 @@ public abstract class AbstractShadowRenderer implements SceneProcessor, Savable,
     protected EdgeFilteringMode edgeFilteringMode = EdgeFilteringMode.Bilinear;
     protected CompareMode shadowCompareMode = CompareMode.Hardware;
     protected Picture[] dispPic;
-    protected RenderState forcedRenderState = new RenderState();
+    protected RenderState forcedRenderState = RenderState.ADDITIONAL.clone();
     protected boolean renderBackFacesShadows = true;
     protected AppProfiler prof;
 

jme3-core/src/main/java/com/jme3/shadow/BasicShadowRenderer.java

@@ -158,7 +158,6 @@ public class BasicShadowRenderer implements SceneProcessor {
         ShadowUtil.updateFrustumPoints(viewCam,
                 viewCam.getFrustumNear(),
                 viewCam.getFrustumFar(),
-                1.0f,
                 points);
 
         Vector3f frustaCenter = new Vector3f();

jme3-core/src/main/java/com/jme3/shadow/DirectionalLightShadowRenderer.java

@@ -148,7 +148,7 @@ public class DirectionalLightShadowRenderer extends AbstractShadowRenderer {
 
         //We prevent computing the frustum points and splits with zeroed or negative near clip value
         float frustumNear = Math.max(viewCam.getFrustumNear(), 0.001f);
-        ShadowUtil.updateFrustumPoints(viewCam, frustumNear, zFar, 1.0f, points);
+        ShadowUtil.updateFrustumPoints(viewCam, frustumNear, zFar, points);
 
         shadowCam.setFrustumFar(zFar);
         shadowCam.getRotation().lookAt(light.getDirection(), shadowCam.getUp());
@@ -183,7 +183,7 @@ public class DirectionalLightShadowRenderer extends AbstractShadowRenderer {
     protected GeometryList getOccludersToRender(int shadowMapIndex, GeometryList shadowMapOccluders) {
 
         // update frustum points based on current camera and split
-        ShadowUtil.updateFrustumPoints(viewPort.getCamera(), splitsArray[shadowMapIndex], splitsArray[shadowMapIndex + 1], 1.0f, points);
+        ShadowUtil.updateFrustumPoints(viewPort.getCamera(), splitsArray[shadowMapIndex], splitsArray[shadowMapIndex + 1], points);
 
         //Updating shadow cam with current split frusta
         if (lightReceivers.size()==0) {

jme3-core/src/main/java/com/jme3/shadow/PssmShadowRenderer.java

@@ -398,7 +398,7 @@ public class PssmShadowRenderer implements SceneProcessor {
 
         //We prevent computing the frustum points and splits with zeroed or negative near clip value
         float frustumNear = Math.max(viewCam.getFrustumNear(), 0.001f);
-        ShadowUtil.updateFrustumPoints(viewCam, frustumNear, zFar, 1.0f, points);
+        ShadowUtil.updateFrustumPoints(viewCam, frustumNear, zFar, points);
 
         //shadowCam.setDirection(direction);
         shadowCam.getRotation().lookAt(direction, shadowCam.getUp());
@@ -428,7 +428,7 @@ public class PssmShadowRenderer implements SceneProcessor {
         for (int i = 0; i < nbSplits; i++) {
 
             // update frustum points based on current camera and split
-            ShadowUtil.updateFrustumPoints(viewCam, splitsArray[i], splitsArray[i + 1], 1.0f, points);
+            ShadowUtil.updateFrustumPoints(viewCam, splitsArray[i], splitsArray[i + 1], points);
 
             //Updating shadow cam with current split frusta
             ShadowUtil.updateShadowCamera(viewPort, lightReceivers, shadowCam, points, splitOccluders, shadowMapSize);

jme3-core/src/main/java/com/jme3/shadow/PssmShadowUtil.java

@@ -67,15 +67,4 @@ public final class PssmShadowUtil {
         splits[0] = near;
         splits[splits.length - 1] = far;
     }
-
-    /**
-     * Compute the Zfar in the model vieuw to adjust the Zfar distance for the splits calculation
-     */
-    public static float computeZFar(GeometryList occ, GeometryList recv, Camera cam) {
-        Matrix4f mat = cam.getViewMatrix();
-        BoundingBox bbOcc = ShadowUtil.computeUnionBound(occ, mat);
-        BoundingBox bbRecv = ShadowUtil.computeUnionBound(recv, mat);
-
-        return min(max(bbOcc.getZExtent() - bbOcc.getCenter().z, bbRecv.getZExtent() - bbRecv.getCenter().z), cam.getFrustumFar());
-    }
 }

jme3-core/src/main/java/com/jme3/shadow/ShadowUtil.java

@@ -32,7 +32,9 @@
 package com.jme3.shadow;
 
 import com.jme3.bounding.BoundingBox;
+import com.jme3.bounding.BoundingSphere;
 import com.jme3.bounding.BoundingVolume;
+import com.jme3.collision.UnsupportedCollisionException;
 import com.jme3.math.FastMath;
 import com.jme3.math.Matrix4f;
 import com.jme3.math.Transform;
@@ -42,6 +44,7 @@ import com.jme3.renderer.Camera;
 import com.jme3.renderer.ViewPort;
 import com.jme3.renderer.queue.GeometryList;
 import com.jme3.renderer.queue.RenderQueue;
+import com.jme3.renderer.queue.RenderQueue.ShadowMode;
 import com.jme3.scene.Geometry;
 import com.jme3.scene.Node;
 import com.jme3.scene.Spatial;
@@ -96,7 +99,6 @@ public class ShadowUtil {
     public static void updateFrustumPoints(Camera viewCam,
             float nearOverride,
             float farOverride,
-            float scale,
             Vector3f[] points) {
 
         Vector3f pos = viewCam.getLocation();
@@ -149,22 +151,6 @@ public class ShadowUtil {
         points[5].set(farCenter).addLocal(farUp).subtractLocal(farRight);
         points[6].set(farCenter).addLocal(farUp).addLocal(farRight);
         points[7].set(farCenter).subtractLocal(farUp).addLocal(farRight);
-
-        if (scale != 1.0f) {
-            // find center of frustum
-            Vector3f center = new Vector3f();
-            for (int i = 0; i < 8; i++) {
-                center.addLocal(points[i]);
-            }
-            center.divideLocal(8f);
-
-            Vector3f cDir = new Vector3f();
-            for (int i = 0; i < 8; i++) {
-                cDir.set(points[i]).subtractLocal(center);
-                cDir.multLocal(scale - 1.0f);
-                points[i].addLocal(cDir);
-            }
-        }
     }
 
     /**
@@ -270,65 +256,8 @@ public class ShadowUtil {
             max.maxLocal(temp);
         }
         vars.release();
-        Vector3f center = min.add(max).multLocal(0.5f);
-        Vector3f extent = max.subtract(min).multLocal(0.5f);
-        //Nehon 08/18/2010 : Added an offset to the extend to avoid banding artifacts when the frustum are aligned
-        return new BoundingBox(center, extent.x + 2.0f, extent.y + 2.0f, extent.z + 2.5f);
-    }
         
-    /**
-     * Updates the shadow camera to properly contain the given points (which
-     * contain the eye camera frustum corners)
-     *
-     * @param shadowCam
-     * @param points
-     */
-    public static void updateShadowCamera(Camera shadowCam, Vector3f[] points) {
-        boolean ortho = shadowCam.isParallelProjection();
-        shadowCam.setProjectionMatrix(null);
-
-        if (ortho) {
-            shadowCam.setFrustum(-1, 1, -1, 1, 1, -1);
-        } else {
-            shadowCam.setFrustumPerspective(45, 1, 1, 150);
-        }
-
-        Matrix4f viewProjMatrix = shadowCam.getViewProjectionMatrix();
-        Matrix4f projMatrix = shadowCam.getProjectionMatrix();
-
-        BoundingBox splitBB = computeBoundForPoints(points, viewProjMatrix);
-
-        TempVars vars = TempVars.get();
-
-        Vector3f splitMin = splitBB.getMin(vars.vect1);
-        Vector3f splitMax = splitBB.getMax(vars.vect2);
-
-//        splitMin.z = 0;
-
-        // Create the crop matrix.
-        float scaleX, scaleY, scaleZ;
-        float offsetX, offsetY, offsetZ;
-
-        scaleX = 2.0f / (splitMax.x - splitMin.x);
-        scaleY = 2.0f / (splitMax.y - splitMin.y);
-        offsetX = -0.5f * (splitMax.x + splitMin.x) * scaleX;
-        offsetY = -0.5f * (splitMax.y + splitMin.y) * scaleY;
-        scaleZ = 1.0f / (splitMax.z - splitMin.z);
-        offsetZ = -splitMin.z * scaleZ;
-
-        Matrix4f cropMatrix = vars.tempMat4;
-        cropMatrix.set(scaleX, 0f, 0f, offsetX,
-                0f, scaleY, 0f, offsetY,
-                0f, 0f, scaleZ, offsetZ,
-                0f, 0f, 0f, 1f);
-
-
-        Matrix4f result = new Matrix4f();
-        result.set(cropMatrix);
-        result.multLocal(projMatrix);
-
-        vars.release();
-        shadowCam.setProjectionMatrix(result);
+        return new BoundingBox(min, max);
     }
 
     /**
@@ -342,7 +271,6 @@ public class ShadowUtil {
     {
         // global variables set in order not to have recursive process method with too many parameters
         Matrix4f viewProjMatrix;
-        public Integer casterCount;
         BoundingBox splitBB, casterBB;
         GeometryList splitOccluders;
         TempVars vars;
@@ -350,9 +278,8 @@ public class ShadowUtil {
         public OccludersExtractor() {}
         
         // initialize the global OccludersExtractor variables
-        public OccludersExtractor(Matrix4f vpm, int cc, BoundingBox sBB, BoundingBox cBB, GeometryList sOCC, TempVars v) {
+        public OccludersExtractor(Matrix4f vpm, BoundingBox sBB, BoundingBox cBB, GeometryList sOCC, TempVars v) {
             viewProjMatrix = vpm;
-            casterCount = cc;
             splitBB = sBB;
             casterBB = cBB;
             splitOccluders = sOCC;
@@ -364,82 +291,78 @@ public class ShadowUtil {
          * The global OccludersExtractor variables need to be initialized first.
          * Variables are updated and used in {@link ShadowUtil#updateShadowCamera} at last.
          */
-        public int addOccluders(Spatial scene) {
+        public void addOccluders(Spatial scene) {
             if ( scene != null ) process(scene);
-            return casterCount;
+        }
+        
+        private boolean intersectsIgnoreNearZ(BoundingBox splitBB, BoundingSphere occSphere) {
+            float distSqr = occSphere.getRadius() * occSphere.getRadius();
+
+            float minX = splitBB.getCenter().x - splitBB.getXExtent();
+            float maxX = splitBB.getCenter().x + splitBB.getXExtent();
+
+            float minY = splitBB.getCenter().y - splitBB.getYExtent();
+            float maxY = splitBB.getCenter().y + splitBB.getYExtent();
+
+            float maxZ = splitBB.getCenter().z + splitBB.getZExtent();
+
+            if      (occSphere.getCenter().x < minX) distSqr -= FastMath.sqr(occSphere.getCenter().x - minX);
+            else if (occSphere.getCenter().x > maxX) distSqr -= FastMath.sqr(occSphere.getCenter().x - maxX);
+
+            if      (occSphere.getCenter().y < minY) distSqr -= FastMath.sqr(occSphere.getCenter().y - minY);
+            else if (occSphere.getCenter().y > maxY) distSqr -= FastMath.sqr(occSphere.getCenter().y - maxY);
+
+            if (occSphere.getCenter().z > maxZ) distSqr -= FastMath.sqr(occSphere.getCenter().z - maxZ);
+
+            return distSqr > 0;
+        }
+        
+        private boolean intersectsIgnoreNearZ(BoundingBox splitBB, BoundingBox occBB) {
+            if (splitBB.getCenter().x + splitBB.getXExtent() < occBB.getCenter().x - occBB.getXExtent()
+                    || splitBB.getCenter().x - splitBB.getXExtent() > occBB.getCenter().x + occBB.getXExtent()) {
+                return false;
+            } else if (splitBB.getCenter().y + splitBB.getYExtent() < occBB.getCenter().y - occBB.getYExtent()
+                    || splitBB.getCenter().y - splitBB.getYExtent() > occBB.getCenter().y + occBB.getYExtent()) {
+                return false;
+            } else if (splitBB.getCenter().z + splitBB.getZExtent() < occBB.getCenter().z - occBB.getZExtent()) {
+                return false;
+            } else {
+                return true;
+            }
+        }
+        
+        private boolean intersectsIgnoreNearZ(BoundingBox splitBB, BoundingVolume occBV) {
+            if (occBV instanceof BoundingBox) {
+                return intersectsIgnoreNearZ(splitBB, (BoundingBox) occBV);
+            } else if (occBV instanceof BoundingSphere) {
+                return intersectsIgnoreNearZ(splitBB, (BoundingSphere) occBV);
+            } else {
+                throw new UnsupportedCollisionException("With: " + occBV.getClass().getSimpleName());
+            }
         }
 
         private void process(Spatial scene) {
             if (scene.getCullHint() == Spatial.CullHint.Always) return;
 
-            RenderQueue.ShadowMode shadowMode = scene.getShadowMode();
-            if ( scene instanceof Geometry )
-            {
+            if (scene instanceof Geometry) {
                 // convert bounding box to light's viewproj space
-                Geometry occluder = (Geometry)scene;
-                if (shadowMode != RenderQueue.ShadowMode.Off && shadowMode != RenderQueue.ShadowMode.Receive
-                        && !occluder.isGrouped() && occluder.getWorldBound()!=null) {
+                Geometry occluder = (Geometry) scene;
+                ShadowMode shadowMode = scene.getShadowMode();
+                if (shadowMode != ShadowMode.Off && shadowMode != ShadowMode.Receive
+                        && !occluder.isGrouped()) {
                     BoundingVolume bv = occluder.getWorldBound();
                     BoundingVolume occBox = bv.transform(viewProjMatrix, vars.bbox);
-          
-                    boolean intersects = splitBB.intersects(occBox);
-                    if (!intersects && occBox instanceof BoundingBox) {
-                        BoundingBox occBB = (BoundingBox) occBox;
-                        //Kirill 01/10/2011
-                        // Extend the occluder further into the frustum
-                        // This fixes shadow disappearing issues when
-                        // the caster itself is not in the view camera
-                        // but its shadow is in the camera
-                        //      The number is in world units
-                        occBB.setZExtent(occBB.getZExtent() + 50);
-                        occBB.setCenter(occBB.getCenter().addLocal(0, 0, 25));
-                        if (splitBB.intersects(occBB)) {
-                            //Nehon : prevent NaN and infinity values to screw the final bounding box
-                            if (!Float.isNaN(occBox.getCenter().x) && !Float.isInfinite(occBox.getCenter().x)) {
-                                // To prevent extending the depth range too much
-                                // We return the bound to its former shape
-                                // Before adding it
-                                occBB.setZExtent(occBB.getZExtent() - 50);
-                                occBB.setCenter(occBB.getCenter().subtractLocal(0, 0, 25));                    
+                    if (intersectsIgnoreNearZ(splitBB, occBox)) {
                         casterBB.mergeLocal(occBox);
-                                casterCount++;
-                            }
-                            if (splitOccluders != null) {
-                                splitOccluders.add(occluder);
-                            }
-                        }
-                    } else if (intersects) {
-                        casterBB.mergeLocal(occBox);
-                        casterCount++;
                         if (splitOccluders != null) {
                             splitOccluders.add(occluder);
                         }
                     }
                 }
-            }
-            else if ( scene instanceof Node && ((Node)scene).getWorldBound()!=null )
-            {
-                Node nodeOcc = (Node)scene;
-                boolean intersects = false;
-                // some 
-                BoundingVolume bv = nodeOcc.getWorldBound();
+            } else if (scene instanceof Node) {
+                BoundingVolume bv = scene.getWorldBound();
                 BoundingVolume occBox = bv.transform(viewProjMatrix, vars.bbox);
-      
-                intersects = splitBB.intersects(occBox);
-                if (!intersects && occBox instanceof BoundingBox) {
-                    BoundingBox occBB = (BoundingBox) occBox;
-                    //Kirill 01/10/2011
-                    // Extend the occluder further into the frustum
-                    // This fixes shadow disappearing issues when
-                    // the caster itself is not in the view camera
-                    // but its shadow is in the camera
-                    //      The number is in world units
-                    occBB.setZExtent(occBB.getZExtent() + 50);
-                    occBB.setCenter(occBB.getCenter().addLocal(0, 0, 25));
-                    intersects = splitBB.intersects(occBB);
-                }
- 
-                if ( intersects ) {
+                if (intersectsIgnoreNearZ(splitBB, occBox)) {
                     for (Spatial child : ((Node)scene).getChildren()) {
                         process(child);
                     }
@@ -457,7 +380,7 @@ public class ShadowUtil {
             GeometryList receivers,
             Camera shadowCam,
             Vector3f[] points,
-            GeometryList splitOccluders,
+            GeometryList shadowCasters,
             float shadowMapSize) {
         
         boolean ortho = shadowCam.isParallelProjection();
@@ -465,7 +388,7 @@ public class ShadowUtil {
         shadowCam.setProjectionMatrix(null);
 
         if (ortho) {
-            shadowCam.setFrustum(-shadowCam.getFrustumFar(), shadowCam.getFrustumFar(), -1, 1, 1, -1);
+            shadowCam.setFrustum(-1, 1, -1, 1, 1, -1);
         }
 
         // create transform to rotate points to viewspace        
@@ -478,8 +401,7 @@ public class ShadowUtil {
         BoundingBox casterBB = new BoundingBox();
         BoundingBox receiverBB = new BoundingBox();
         
-        int casterCount = 0, receiverCount = 0;
-        
+        if (receivers != null && receivers.size() != 0) {
             for (int i = 0; i < receivers.size(); i++) {
                 // convert bounding box to light's viewproj space
                 Geometry receiver = receivers.get(i);
@@ -490,24 +412,20 @@ public class ShadowUtil {
                     //Nehon : prevent NaN and infinity values to screw the final bounding box
                     if (!Float.isNaN(recvBox.getCenter().x) && !Float.isInfinite(recvBox.getCenter().x)) {
                         receiverBB.mergeLocal(recvBox);
-                    receiverCount++;
                     }
                 }
             }
+        } else {
+            receiverBB.setXExtent(Float.POSITIVE_INFINITY);
+            receiverBB.setYExtent(Float.POSITIVE_INFINITY);
+            receiverBB.setZExtent(Float.POSITIVE_INFINITY);
+        }
 
         // collect splitOccluders through scene recursive traverse
-        OccludersExtractor occExt = new OccludersExtractor(viewProjMatrix, casterCount, splitBB, casterBB, splitOccluders, vars);
+        OccludersExtractor occExt = new OccludersExtractor(viewProjMatrix, splitBB, casterBB, shadowCasters, vars);
         for (Spatial scene : viewPort.getScenes()) {
             occExt.addOccluders(scene);
         }
-        casterCount = occExt.casterCount;
-  
-        //Nehon 08/18/2010 this is to avoid shadow bleeding when the ground is set to only receive shadows
-        if (casterCount != receiverCount) {
-            casterBB.setXExtent(casterBB.getXExtent() + 2.0f);
-            casterBB.setYExtent(casterBB.getYExtent() + 2.0f);
-            casterBB.setZExtent(casterBB.getZExtent() + 2.0f);
-        }
 
         Vector3f casterMin = casterBB.getMin(vars.vect1);
         Vector3f casterMax = casterBB.getMax(vars.vect2);
@@ -518,27 +436,26 @@ public class ShadowUtil {
         Vector3f splitMin = splitBB.getMin(vars.vect5);
         Vector3f splitMax = splitBB.getMax(vars.vect6);
 
-        splitMin.z = 0;
-
-//        if (!ortho) {
-//            shadowCam.setFrustumPerspective(45, 1, 1, splitMax.z);
-//        }
 
         Matrix4f projMatrix = shadowCam.getProjectionMatrix();
 
         Vector3f cropMin = vars.vect7;
         Vector3f cropMax = vars.vect8;
 
+        if (shadowCasters.size() > 0) {
             // IMPORTANT: Special handling for Z values
             cropMin.x = max(max(casterMin.x, receiverMin.x), splitMin.x);
             cropMax.x = min(min(casterMax.x, receiverMax.x), splitMax.x);
-
             cropMin.y = max(max(casterMin.y, receiverMin.y), splitMin.y);
             cropMax.y = min(min(casterMax.y, receiverMax.y), splitMax.y);
-
             cropMin.z = min(casterMin.z, splitMin.z);
             cropMax.z = min(receiverMax.z, splitMax.z);
-
+        } else {
+            // Set crop = split so that everything in the scene has a depth < 1.0 in light space.
+            // This avoids shadowing everything when there are no casters.
+            cropMin.set(splitMin);
+            cropMax.set(splitMax);
+        }
 
         // Create the crop matrix.
         float scaleX, scaleY, scaleZ;

jme3-core/src/main/java/com/jme3/shadow/SpotLightShadowRenderer.java

@@ -137,7 +137,7 @@ public class SpotLightShadowRenderer extends AbstractShadowRenderer {
 
         //We prevent computing the frustum points and splits with zeroed or negative near clip value
         float frustumNear = Math.max(viewCam.getFrustumNear(), 0.001f);
-        ShadowUtil.updateFrustumPoints(viewCam, frustumNear, zFar, 1.0f, points);
+        ShadowUtil.updateFrustumPoints(viewCam, frustumNear, zFar, points);
         //shadowCam.setDirection(direction);
 
         shadowCam.setFrustumPerspective(light.getSpotOuterAngle() * FastMath.RAD_TO_DEG * 2.0f, 1, 1f, light.getSpotRange());

jme3-core/src/main/java/com/jme3/shadow/next/InPassShadowRenderer.java

@@ -0,0 +1,275 @@
+/*
+ * Copyright (c) 2009-2016 jMonkeyEngine
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met:
+ *
+ * * Redistributions of source code must retain the above copyright
+ *   notice, this list of conditions and the following disclaimer.
+ *
+ * * Redistributions in binary form must reproduce the above copyright
+ *   notice, this list of conditions and the following disclaimer in the
+ *   documentation and/or other materials provided with the distribution.
+ *
+ * * Neither the name of 'jMonkeyEngine' nor the names of its contributors
+ *   may be used to endorse or promote products derived from this software
+ *   without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
+ * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
+ * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+ * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+ * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
+ * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
+ * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
+ * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+ * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+package com.jme3.shadow.next;
+
+import com.jme3.asset.AssetManager;
+import com.jme3.shadow.next.pssm.DirectionalShadowParameters;
+import com.jme3.light.DirectionalLight;
+import com.jme3.light.Light;
+import com.jme3.light.Light.Type;
+import com.jme3.light.PointLight;
+import com.jme3.light.SpotLight;
+import com.jme3.material.MatParamOverride;
+import com.jme3.material.RenderState;
+import com.jme3.math.Vector3f;
+import com.jme3.post.SceneProcessor;
+import com.jme3.profile.AppProfiler;
+import com.jme3.renderer.RenderManager;
+import com.jme3.renderer.Renderer;
+import com.jme3.renderer.ViewPort;
+import com.jme3.renderer.queue.GeometryList;
+import com.jme3.renderer.queue.OpaqueComparator;
+import com.jme3.renderer.queue.RenderQueue;
+import com.jme3.scene.Node;
+import com.jme3.shader.VarType;
+import com.jme3.shadow.next.array.DirectionalArrayShadowMap;
+import com.jme3.shadow.next.array.PointArrayShadowMap;
+import com.jme3.shadow.next.array.SpotArrayShadowMap;
+import com.jme3.texture.FrameBuffer;
+import com.jme3.texture.Image;
+import com.jme3.texture.Image.Format;
+import com.jme3.texture.Texture.MagFilter;
+import com.jme3.texture.Texture.MinFilter;
+import com.jme3.texture.Texture.ShadowCompareMode;
+import com.jme3.texture.TextureArray;
+import com.jme3.texture.image.ColorSpace;
+import com.jme3.util.ListMap;
+import com.jme3.util.TempVars;
+import java.nio.ByteBuffer;
+import java.util.ArrayList;
+
+/**
+ * The 4th generation of shadow mapping in jME3.
+ * <p>
+ * This version is primarily focused on rendering in-pass shadows, so pre-pass
+ * and subsequent stages are separated.
+ *
+ * @author Kirill Vainer
+ */
+public class InPassShadowRenderer implements SceneProcessor {
+
+    private static final String PRE_SHADOW_TECHNIQUE_NAME = "PreShadow";
+
+    private RenderManager renderManager;
+    private ViewPort viewPort;
+    private final Vector3f[] points = new Vector3f[8];
+    private final GeometryList shadowCasters = new GeometryList(new OpaqueComparator());
+    private final ListMap<Light, ShadowMap> shadowedLights = new ListMap<>();
+    private final RenderState prePassRenderState = RenderState.ADDITIONAL.clone();
+    private final MatParamOverride pointLightOverride = new MatParamOverride(VarType.Boolean, "IsPointLight", true);
+    private final TextureArray array = new TextureArray();
+    
+    private int textureSize = 1024;
+    private int nextArraySlice = 0;
+
+    // parameters for directional lights
+    private final DirectionalShadowParameters directionalParams = new DirectionalShadowParameters();
+
+    public InPassShadowRenderer() {
+        for (int i = 0; i < points.length; i++) {
+            points[i] = new Vector3f();
+        }
+
+        prePassRenderState.setFaceCullMode(RenderState.FaceCullMode.Back);
+        prePassRenderState.setColorWrite(false);
+        prePassRenderState.setDepthWrite(true);
+        prePassRenderState.setDepthTest(true);
+        prePassRenderState.setPolyOffset(0, 0);
+
+        array.setAnisotropicFilter(1);
+        array.setShadowCompareMode(ShadowCompareMode.LessOrEqual);
+        
+        array.setMagFilter(MagFilter.Bilinear);
+        array.setMinFilter(MinFilter.BilinearNoMipMaps);
+    }
+    
+    public void displayDebug(AssetManager assetManager, Node guiRoot) {
+        guiRoot.addControl(new ShadowDebugControl(assetManager, this));
+    }
+
+    @Override
+    public void initialize(RenderManager rm, ViewPort vp) {
+        this.renderManager = rm;
+        this.viewPort = vp;
+    }
+
+    public DirectionalShadowParameters directional() {
+        return directionalParams;
+    }
+
+    public void setPolyOffset(float factor, float units) {
+        prePassRenderState.setPolyOffset(factor, units);
+    }
+
+    public int getTextureSize() {
+        return textureSize;
+    }
+
+    public void setTextureSize(int textureSize) {
+        // TODO: support changing texture size after shadow maps are created
+        this.textureSize = textureSize;
+    }
+    
+    public TextureArray getShadowMapTexture() {
+        return array;
+    }
+    
+    public void addLight(Light light) {
+        if (array.getImage() == null) {
+            array.setImage(new Image(
+                    Format.Depth32F,
+                    textureSize,
+                    textureSize,
+                    0,
+                    new ArrayList<ByteBuffer>(),
+                    ColorSpace.Linear));
+        }
+
+        ShadowMap shadowMap;
+        switch (light.getType()) {
+            case Directional:
+                shadowMap = new DirectionalArrayShadowMap(
+                        (DirectionalLight) light,
+                        array,
+                        nextArraySlice,
+                        textureSize,
+                        directionalParams.getNumSplits());
+                break;
+            case Point:
+                shadowMap = new PointArrayShadowMap(
+                        (PointLight) light,
+                        array,
+                        nextArraySlice,
+                        textureSize);
+                break;
+            case Spot:
+                shadowMap = new SpotArrayShadowMap(
+                        (SpotLight) light,
+                        array,
+                        nextArraySlice,
+                        textureSize);
+                break;
+            default:
+                throw new UnsupportedOperationException();
+        }
+        
+        shadowedLights.put(light, shadowMap);
+        nextArraySlice += shadowMap.getNumSlices();
+    }
+
+    @Override
+    public void reshape(ViewPort vp, int w, int h) {
+    }
+
+    @Override
+    public boolean isInitialized() {
+        return this.viewPort != null;
+    }
+
+    @Override
+    public void preFrame(float tpf) {
+    }
+
+    private void renderShadowMaps(ViewPort viewPort) {
+        renderManager.setForcedRenderState(prePassRenderState);
+        renderManager.setForcedTechnique(PRE_SHADOW_TECHNIQUE_NAME);
+        renderManager.addForcedMatParam(pointLightOverride);
+
+        for (int i = 0; i < shadowedLights.size(); i++) {
+            Light light = shadowedLights.getKey(i);
+            ShadowMap shadowMap = shadowedLights.getValue(i);
+
+            TempVars vars = TempVars.get();
+            try {
+                light.setFrustumCheckNeeded(false);
+                light.setIntersectsFrustum(light.intersectsFrustum(viewPort.getCamera(), vars));
+                if (!light.isIntersectsFrustum()) {
+                    continue;
+                }
+            } finally {
+                vars.release();
+            }
+
+            pointLightOverride.setEnabled(shadowMap.getLightType() == Type.Point);
+            
+            switch (shadowMap.getLightType()) {
+                case Directional:
+                    DirectionalArrayShadowMap directionalShadow = (DirectionalArrayShadowMap) shadowMap;
+                    directionalShadow.renderShadowMap(renderManager, viewPort, directionalParams, shadowCasters, points);
+                    break;
+                case Point:
+                    PointArrayShadowMap pointShadow = (PointArrayShadowMap) shadowMap;
+                    pointShadow.renderShadowMap(renderManager, viewPort, shadowCasters);
+                    break;
+                case Spot:
+                    SpotArrayShadowMap spotShadow = (SpotArrayShadowMap) shadowMap;
+                    spotShadow.renderShadowMap(renderManager, viewPort, shadowCasters);
+                    break;
+                default:
+                    throw new UnsupportedOperationException();
+            }
+            
+            light.setShadowMap(shadowMap);
+        }
+
+        Renderer renderer = renderManager.getRenderer();
+        renderer.setFrameBuffer(viewPort.getOutputFrameBuffer());
+        renderManager.removeForcedMatParam(pointLightOverride);
+        renderManager.setForcedRenderState(null);
+        renderManager.setForcedTechnique(null);
+        renderManager.setCamera(viewPort.getCamera(), false);
+    }
+
+    @Override
+    public void postQueue(RenderQueue rq) {
+        directionalParams.updateSplitPositions(viewPort.getCamera());
+        renderShadowMaps(viewPort);
+    }
+
+    @Override
+    public void postFrame(FrameBuffer out) {
+        // TODO: call discard contents on all the framebuffers.
+        for (int i = 0; i < shadowedLights.size(); i++) {
+            Light light = shadowedLights.getKey(i);
+            light.setShadowMap(null);
+        }
+    }
+
+    @Override
+    public void cleanup() {
+    }
+
+    @Override
+    public void setProfiler(AppProfiler profiler) {
+    }
+
+}

jme3-core/src/main/java/com/jme3/shadow/next/PreShadowRenderer.java

@@ -0,0 +1,183 @@
+/*
+ * Copyright (c) 2009-2016 jMonkeyEngine
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met:
+ *
+ * * Redistributions of source code must retain the above copyright
+ *   notice, this list of conditions and the following disclaimer.
+ *
+ * * Redistributions in binary form must reproduce the above copyright
+ *   notice, this list of conditions and the following disclaimer in the
+ *   documentation and/or other materials provided with the distribution.
+ *
+ * * Neither the name of 'jMonkeyEngine' nor the names of its contributors
+ *   may be used to endorse or promote products derived from this software
+ *   without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
+ * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
+ * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+ * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+ * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
+ * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
+ * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
+ * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+ * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+package com.jme3.shadow.next;
+
+import com.jme3.shadow.next.pssm.DirectionalShadowParameters;
+import com.jme3.light.DirectionalLight;
+import com.jme3.light.Light;
+import com.jme3.material.RenderState;
+import com.jme3.math.Vector3f;
+import com.jme3.post.SceneProcessor;
+import com.jme3.profile.AppProfiler;
+import com.jme3.renderer.RenderManager;
+import com.jme3.renderer.Renderer;
+import com.jme3.renderer.ViewPort;
+import com.jme3.renderer.queue.GeometryList;
+import com.jme3.renderer.queue.OpaqueComparator;
+import com.jme3.renderer.queue.RenderQueue;
+import com.jme3.shadow.next.pssm.DirectionalShadowMap;
+import com.jme3.texture.FrameBuffer;
+import java.util.ArrayList;
+import java.util.List;
+
+/**
+ * The 4th generation of shadow mapping in jME3.
+ * <p>
+ * This version is primarily focused on rendering in-pass shadows, so pre-pass
+ * and subsequent stages are separated.
+ *
+ * @author Kirill Vainer
+ */
+public class PreShadowRenderer implements SceneProcessor {
+
+    private static final String PRE_SHADOW_TECHNIQUE_NAME = "PreShadow";
+
+    private RenderManager renderManager;
+    private ViewPort viewPort;
+    private final Vector3f[] points = new Vector3f[8];
+    private final GeometryList shadowCasters = new GeometryList(new OpaqueComparator());
+    private final List<ShadowMap> shadowMaps = new ArrayList<>();
+    private final RenderState prePassRenderState = RenderState.ADDITIONAL.clone();
+
+    private int textureSize = 1024;
+    
+    // parameters for directional lights
+    private final DirectionalShadowParameters directionalParams = new DirectionalShadowParameters();
+
+    public PreShadowRenderer() {
+        for (int i = 0; i < points.length; i++) {
+            points[i] = new Vector3f();
+        }
+
+        prePassRenderState.setFaceCullMode(RenderState.FaceCullMode.Off);
+        prePassRenderState.setColorWrite(false);
+        prePassRenderState.setDepthWrite(true);
+        prePassRenderState.setDepthTest(true);
+        prePassRenderState.setPolyOffset(1.2f, 0);
+    }
+
+    @Override
+    public void initialize(RenderManager rm, ViewPort vp) {
+        this.renderManager = rm;
+        this.viewPort = vp;
+    }
+
+    public DirectionalShadowParameters directional() {
+        return directionalParams;
+    }
+
+    public void setPolyOffset(float factor, float units) {
+        // TODO: might want to set this separately per model
+        prePassRenderState.setPolyOffset(factor, units);
+    }
+
+    public int getTextureSize() {
+        return textureSize;
+    }
+
+    public void setTextureSize(int textureSize) {
+        // TODO: support changing texture size after shadow maps are created
+        this.textureSize = textureSize;
+    }
+    
+    public void addLight(Light light) {
+        ShadowMap shadowMap;
+        switch (light.getType()) {
+            case Directional:
+                shadowMap = new DirectionalShadowMap(
+                        (DirectionalLight) light,
+                        textureSize,
+                        directionalParams.getNumSplits(),
+                        points);
+                break;
+            default:
+                throw new UnsupportedOperationException();
+        }
+        
+        light.setShadowMap(shadowMap);
+        shadowMaps.add(shadowMap);
+    }
+
+    @Override
+    public void reshape(ViewPort vp, int w, int h) {
+    }
+
+    @Override
+    public boolean isInitialized() {
+        return this.viewPort != null;
+    }
+
+    @Override
+    public void preFrame(float tpf) {
+    }
+
+    private void renderShadowMaps() {
+        renderManager.setForcedRenderState(prePassRenderState);
+        renderManager.setForcedTechnique(PRE_SHADOW_TECHNIQUE_NAME);
+
+        for (ShadowMap shadowMap : shadowMaps) {
+            switch (shadowMap.getLightType()) {
+                case Directional:
+                    DirectionalShadowMap directionalShadow = (DirectionalShadowMap) shadowMap;
+                    directionalShadow.renderShadowMap(renderManager, viewPort, directionalParams, shadowCasters);
+                    break;
+                default:
+                    throw new UnsupportedOperationException();
+            }
+        }
+
+        Renderer renderer = renderManager.getRenderer();
+        renderer.setFrameBuffer(viewPort.getOutputFrameBuffer());
+        renderManager.setForcedRenderState(null);
+        renderManager.setForcedTechnique(null);
+        renderManager.setCamera(viewPort.getCamera(), false);
+    }
+
+    @Override
+    public void postQueue(RenderQueue rq) {
+        directionalParams.updateSplitPositions(viewPort.getCamera());
+        renderShadowMaps();
+    }
+
+    @Override
+    public void postFrame(FrameBuffer out) {
+    }
+
+    @Override
+    public void cleanup() {
+    }
+
+    @Override
+    public void setProfiler(AppProfiler profiler) {
+    }
+
+}

jme3-core/src/main/java/com/jme3/shadow/next/ShadowDebugControl.java

@@ -0,0 +1,98 @@
+/*
+ * Copyright (c) 2009-2017 jMonkeyEngine
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met:
+ *
+ * * Redistributions of source code must retain the above copyright
+ *   notice, this list of conditions and the following disclaimer.
+ *
+ * * Redistributions in binary form must reproduce the above copyright
+ *   notice, this list of conditions and the following disclaimer in the
+ *   documentation and/or other materials provided with the distribution.
+ *
+ * * Neither the name of 'jMonkeyEngine' nor the names of its contributors
+ *   may be used to endorse or promote products derived from this software
+ *   without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
+ * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
+ * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+ * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+ * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
+ * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
+ * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
+ * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+ * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+package com.jme3.shadow.next;
+
+import com.jme3.asset.AssetManager;
+import com.jme3.material.Material;
+import com.jme3.renderer.RenderManager;
+import com.jme3.renderer.ViewPort;
+import com.jme3.scene.Node;
+import com.jme3.scene.Spatial;
+import com.jme3.scene.control.AbstractControl;
+import com.jme3.texture.Image;
+import com.jme3.texture.TextureArray;
+import com.jme3.ui.Picture;
+import java.util.ArrayList;
+import java.util.List;
+
+/**
+ * Shows the shadow maps on the screen
+ *
+ * @author Kirill Vainer
+ */
+final class ShadowDebugControl extends AbstractControl {
+
+    private final List<Picture> pictures = new ArrayList<>();
+
+    public ShadowDebugControl(AssetManager assetManager, InPassShadowRenderer shadowRenderer) {
+        TextureArray shadowMapArray = shadowRenderer.getShadowMapTexture();
+        Image shadowMap = shadowMapArray.getImage();
+        for (int i = 0; i < shadowMap.getDepth(); i++) {
+            Picture picture = new Picture("Shadow Map " + i);
+            picture.setPosition(20, i * 128 + 20);
+            picture.setWidth(128);
+            picture.setHeight(128);
+
+            Material material = new Material(assetManager, "Common/MatDefs/Shadow/ShowShadowArray.j3md");
+            material.setTexture("ShadowMapArray", shadowMapArray);
+            material.setFloat("ShadowMapSlice", i);
+            picture.setMaterial(material);
+
+            pictures.add(picture);
+        }
+    }
+
+    @Override
+    public void setSpatial(Spatial spatial) {
+        if (spatial != null) {
+            for (Picture picture : pictures) {
+                ((Node) spatial).detachChild(picture);
+            }
+        }
+        super.setSpatial(spatial);
+        if (spatial != null) {
+            for (Picture picture : pictures) {
+                ((Node) spatial).attachChild(picture);
+            }
+        }
+    }
+
+    @Override
+    protected void controlUpdate(float tpf) {
+
+    }
+
+    @Override
+    protected void controlRender(RenderManager rm, ViewPort vp) {
+    }
+
+}

jme3-core/src/main/java/com/jme3/shadow/next/ShadowMap.java

@@ -0,0 +1,50 @@
+/*
+ * Copyright (c) 2009-2016 jMonkeyEngine
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met:
+ *
+ * * Redistributions of source code must retain the above copyright
+ *   notice, this list of conditions and the following disclaimer.
+ *
+ * * Redistributions in binary form must reproduce the above copyright
+ *   notice, this list of conditions and the following disclaimer in the
+ *   documentation and/or other materials provided with the distribution.
+ *
+ * * Neither the name of 'jMonkeyEngine' nor the names of its contributors
+ *   may be used to endorse or promote products derived from this software
+ *   without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
+ * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
+ * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+ * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+ * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
+ * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
+ * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
+ * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+ * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+package com.jme3.shadow.next;
+
+import com.jme3.light.Light;
+import com.jme3.light.Light.Type;
+
+/**
+ * Represents shadow information for a light.
+ * @param <T> Type of light
+ * @author Kirill Vainer
+ */
+public interface ShadowMap<T extends Light> {
+
+    public Type getLightType();
+
+    public int getNumSlices();
+
+    public ShadowMapSlice<T> getSlice(int index);
+
+}

jme3-core/src/main/java/com/jme3/shadow/next/ShadowMapSlice.java

@@ -0,0 +1,58 @@
+/*
+ * Copyright (c) 2009-2016 jMonkeyEngine
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met:
+ *
+ * * Redistributions of source code must retain the above copyright
+ *   notice, this list of conditions and the following disclaimer.
+ *
+ * * Redistributions in binary form must reproduce the above copyright
+ *   notice, this list of conditions and the following disclaimer in the
+ *   documentation and/or other materials provided with the distribution.
+ *
+ * * Neither the name of 'jMonkeyEngine' nor the names of its contributors
+ *   may be used to endorse or promote products derived from this software
+ *   without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
+ * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
+ * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+ * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+ * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
+ * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
+ * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
+ * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+ * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+package com.jme3.shadow.next;
+
+import com.jme3.light.Light;
+import com.jme3.math.Matrix4f;
+import com.jme3.renderer.RenderManager;
+import com.jme3.renderer.ViewPort;
+import com.jme3.renderer.queue.GeometryList;
+
+/**
+ * Represents a single slice of a shadow map.
+ * 
+ * @param <T> Type of light
+ * 
+ * @author Kirill Vainer
+ */
+public interface ShadowMapSlice<T extends Light> {
+
+    public static final Matrix4f BIAS_MATRIX = new Matrix4f(
+            0.5f, 0.0f, 0.0f, 0.5f,
+            0.0f, 0.5f, 0.0f, 0.5f,
+            0.0f, 0.0f, 0.5f, 0.5f,
+            0.0f, 0.0f, 0.0f, 1.0f);
+
+    public Matrix4f getBiasedViewProjectionMatrix();
+
+    public void renderShadowMap(RenderManager renderManager, T light, ViewPort viewPort, GeometryList shadowCasters);
+}

jme3-core/src/main/java/com/jme3/shadow/next/array/ArrayShadowMap.java

@@ -0,0 +1,47 @@
+/*
+ * Copyright (c) 2009-2016 jMonkeyEngine
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met:
+ *
+ * * Redistributions of source code must retain the above copyright
+ *   notice, this list of conditions and the following disclaimer.
+ *
+ * * Redistributions in binary form must reproduce the above copyright
+ *   notice, this list of conditions and the following disclaimer in the
+ *   documentation and/or other materials provided with the distribution.
+ *
+ * * Neither the name of 'jMonkeyEngine' nor the names of its contributors
+ *   may be used to endorse or promote products derived from this software
+ *   without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
+ * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
+ * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+ * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+ * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
+ * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
+ * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
+ * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+ * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+package com.jme3.shadow.next.array;
+
+import com.jme3.shadow.next.ShadowMap;
+import com.jme3.texture.TextureArray;
+
+/**
+ * Represents shadow information for a light, uses texture arrays.
+ *
+ * @author Kirill Vainer
+ */
+public interface ArrayShadowMap extends ShadowMap {
+
+    public TextureArray getArray();
+
+    public int getFirstArraySlice();
+}

jme3-core/src/main/java/com/jme3/shadow/next/array/ArrayShadowMapSlice.java

@@ -0,0 +1,41 @@
+/*
+ * Copyright (c) 2009-2016 jMonkeyEngine
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met:
+ *
+ * * Redistributions of source code must retain the above copyright
+ *   notice, this list of conditions and the following disclaimer.
+ *
+ * * Redistributions in binary form must reproduce the above copyright
+ *   notice, this list of conditions and the following disclaimer in the
+ *   documentation and/or other materials provided with the distribution.
+ *
+ * * Neither the name of 'jMonkeyEngine' nor the names of its contributors
+ *   may be used to endorse or promote products derived from this software
+ *   without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
+ * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
+ * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+ * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+ * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
+ * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
+ * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
+ * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+ * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+package com.jme3.shadow.next.array;
+
+import com.jme3.light.Light;
+import com.jme3.shadow.next.ShadowMapSlice;
+
+/**
+ * @author Kirill Vainer
+ */
+public interface ArrayShadowMapSlice<T extends Light> extends ShadowMapSlice<T> {
+}

jme3-core/src/main/java/com/jme3/shadow/next/array/BaseArrayShadowMap.java

@@ -0,0 +1,75 @@
+/*
+ * Copyright (c) 2009-2016 jMonkeyEngine
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met:
+ *
+ * * Redistributions of source code must retain the above copyright
+ *   notice, this list of conditions and the following disclaimer.
+ *
+ * * Redistributions in binary form must reproduce the above copyright
+ *   notice, this list of conditions and the following disclaimer in the
+ *   documentation and/or other materials provided with the distribution.
+ *
+ * * Neither the name of 'jMonkeyEngine' nor the names of its contributors
+ *   may be used to endorse or promote products derived from this software
+ *   without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
+ * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
+ * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+ * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+ * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
+ * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
+ * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
+ * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+ * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+package com.jme3.shadow.next.array;
+
+import com.jme3.light.Light;
+import com.jme3.texture.TextureArray;
+
+/**
+ *
+ * @author Kirill Vainer
+ */
+public abstract class BaseArrayShadowMap<T extends ArrayShadowMapSlice> implements ArrayShadowMap {
+
+    protected final TextureArray array;
+    protected final int firstArraySlice;
+    protected T[] slices;
+
+    public BaseArrayShadowMap(TextureArray array, int firstArraySlice) {
+        this.array = array;
+        this.firstArraySlice = firstArraySlice;
+    }
+
+    @Override
+    public TextureArray getArray() {
+        return array;
+    }
+
+    @Override
+    public int getFirstArraySlice() {
+        return firstArraySlice;
+    }
+
+    @Override
+    public abstract Light.Type getLightType();
+
+    @Override
+    public int getNumSlices() {
+        return slices.length;
+    }
+
+    @Override
+    public T getSlice(int index) {
+        return slices[index];
+    }
+
+}

jme3-core/src/main/java/com/jme3/shadow/next/array/BaseArrayShadowMapSlice.java

@@ -0,0 +1,98 @@
+/*
+ * Copyright (c) 2009-2016 jMonkeyEngine
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met:
+ *
+ * * Redistributions of source code must retain the above copyright
+ *   notice, this list of conditions and the following disclaimer.
+ *
+ * * Redistributions in binary form must reproduce the above copyright
+ *   notice, this list of conditions and the following disclaimer in the
+ *   documentation and/or other materials provided with the distribution.
+ *
+ * * Neither the name of 'jMonkeyEngine' nor the names of its contributors
+ *   may be used to endorse or promote products derived from this software
+ *   without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
+ * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
+ * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+ * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+ * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
+ * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
+ * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
+ * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+ * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+package com.jme3.shadow.next.array;
+
+import com.jme3.light.Light;
+import com.jme3.math.Matrix4f;
+import com.jme3.renderer.Camera;
+import com.jme3.renderer.RenderManager;
+import com.jme3.renderer.Renderer;
+import com.jme3.renderer.ViewPort;
+import com.jme3.renderer.queue.GeometryList;
+import com.jme3.texture.FrameBuffer;
+import com.jme3.texture.Image;
+import com.jme3.texture.TextureArray;
+
+/**
+ * @param <T>
+ * @author Kirill Vainer
+ */
+public class BaseArrayShadowMapSlice<T extends Light> implements ArrayShadowMapSlice<T> {
+
+    protected final FrameBuffer frameBuffer;
+    protected final Camera shadowCamera;
+    protected final Matrix4f biasedViewProjectionMatrix = new Matrix4f();
+
+    protected boolean fbNeedClear = true;
+
+    public BaseArrayShadowMapSlice(TextureArray array, int layer, int textureSize, boolean useBorder) {
+        this.shadowCamera = new Camera(textureSize, textureSize);
+
+        if (useBorder) {
+            float onePx = 1f / textureSize;
+            this.shadowCamera.setViewPort(onePx, 1f - onePx, onePx, 1f - onePx);
+        }
+
+        this.frameBuffer = new FrameBuffer(textureSize, textureSize, 1);
+
+        Image image = array.getImage();
+        image.setDepth(image.getDepth() + 1);
+        image.addData(null);
+
+        this.frameBuffer.setDepthTexture(array, layer);
+    }
+
+    @Override
+    public Matrix4f getBiasedViewProjectionMatrix() {
+        return biasedViewProjectionMatrix;
+    }
+
+    @Override
+    public void renderShadowMap(RenderManager renderManager, Light light, ViewPort viewPort, GeometryList shadowCasters) {
+        Renderer renderer = renderManager.getRenderer();
+
+        if (fbNeedClear) {
+            renderer.setFrameBuffer(frameBuffer);
+            renderer.clearClipRect();
+            renderer.clearBuffers(false, true, false);
+            fbNeedClear = false;
+        }
+
+        if (shadowCasters.size() > 0) {
+            renderManager.setCamera(shadowCamera, false);
+            viewPort.getQueue().renderShadowQueue(shadowCasters, renderManager, shadowCamera, true);
+            fbNeedClear = true;
+        }
+
+        BIAS_MATRIX.mult(shadowCamera.getViewProjectionMatrix(), biasedViewProjectionMatrix);
+    }
+}

jme3-core/src/main/java/com/jme3/shadow/next/array/DirectionalArrayShadowMap.java

@@ -0,0 +1,81 @@
+/*
+ * Copyright (c) 2009-2016 jMonkeyEngine
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met:
+ *
+ * * Redistributions of source code must retain the above copyright
+ *   notice, this list of conditions and the following disclaimer.
+ *
+ * * Redistributions in binary form must reproduce the above copyright
+ *   notice, this list of conditions and the following disclaimer in the
+ *   documentation and/or other materials provided with the distribution.
+ *
+ * * Neither the name of 'jMonkeyEngine' nor the names of its contributors
+ *   may be used to endorse or promote products derived from this software
+ *   without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
+ * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
+ * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+ * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+ * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
+ * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
+ * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
+ * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+ * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+package com.jme3.shadow.next.array;
+
+import com.jme3.light.DirectionalLight;
+import com.jme3.light.Light;
+import com.jme3.math.Vector3f;
+import com.jme3.renderer.RenderManager;
+import com.jme3.renderer.ViewPort;
+import com.jme3.renderer.queue.GeometryList;
+import com.jme3.shadow.next.pssm.DirectionalShadowParameters;
+import com.jme3.texture.TextureArray;
+
+/**
+ * @author Kirill Vainer
+ */
+public class DirectionalArrayShadowMap extends BaseArrayShadowMap<DirectionalArrayShadowMapSlice> {
+
+    private final DirectionalLight light;
+    private final Vector3f projectionSplitPositions = new Vector3f();
+
+    public DirectionalArrayShadowMap(DirectionalLight light, TextureArray array, int firstArraySlice, int textureSize, int numSplits) {
+        super(array, firstArraySlice);
+        this.light = light;
+        this.slices = new DirectionalArrayShadowMapSlice[numSplits];
+        for (int i = 0; i < numSplits; i++) {
+            this.slices[i] = new DirectionalArrayShadowMapSlice(array, firstArraySlice + i, textureSize);
+        }
+    }
+
+    public void renderShadowMap(RenderManager renderManager, ViewPort viewPort, DirectionalShadowParameters params, GeometryList shadowCasters, Vector3f[] points) {
+        projectionSplitPositions.set(params.getProjectionSplitPositions());
+        float[] splitPositionsViewSpace = params.getSplitPositions();
+        for (int i = 0; i < slices.length; i++) {
+            float near = splitPositionsViewSpace[i];
+            float far = splitPositionsViewSpace[i + 1];
+            shadowCasters.clear();
+            slices[i].updateShadowCamera(viewPort, light, shadowCasters, near, far, points);
+            slices[i].renderShadowMap(renderManager, light, viewPort, shadowCasters);
+        }
+    }
+
+    public Vector3f getProjectionSplitPositions() {
+        return projectionSplitPositions;
+    }
+
+    @Override
+    public Light.Type getLightType() {
+        return Light.Type.Directional;
+    }
+
+}

jme3-core/src/main/java/com/jme3/shadow/next/array/DirectionalArrayShadowMapSlice.java

@@ -0,0 +1,75 @@
+/*
+ * Copyright (c) 2009-2016 jMonkeyEngine
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met:
+ *
+ * * Redistributions of source code must retain the above copyright
+ *   notice, this list of conditions and the following disclaimer.
+ *
+ * * Redistributions in binary form must reproduce the above copyright
+ *   notice, this list of conditions and the following disclaimer in the
+ *   documentation and/or other materials provided with the distribution.
+ *
+ * * Neither the name of 'jMonkeyEngine' nor the names of its contributors
+ *   may be used to endorse or promote products derived from this software
+ *   without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
+ * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
+ * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+ * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+ * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
+ * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
+ * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
+ * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+ * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+package com.jme3.shadow.next.array;
+
+import com.jme3.light.DirectionalLight;
+import com.jme3.math.Vector3f;
+import com.jme3.renderer.ViewPort;
+import com.jme3.renderer.queue.GeometryList;
+import com.jme3.shadow.ShadowUtil;
+import com.jme3.texture.TextureArray;
+
+/**
+ * @author Kirill Vainer
+ */
+public class DirectionalArrayShadowMapSlice extends BaseArrayShadowMapSlice<DirectionalLight> {
+
+    public DirectionalArrayShadowMapSlice(TextureArray array, int layer, int textureSize) {
+        super(array, layer, textureSize, true);
+        this.shadowCamera.setParallelProjection(true);
+    }
+
+    private static boolean isParallelToYUp(Vector3f direction) {
+        return direction.x == 0 && direction.z == 0
+                && (direction.y == -1 || direction.y == 1);
+    }
+
+    public void updateShadowCamera(
+            ViewPort viewPort,
+            DirectionalLight light,
+            GeometryList shadowCasters,
+            float near,
+            float far,
+            Vector3f[] points) {
+        if (isParallelToYUp(light.getDirection())) {
+            // direction and up cannot be parallel
+            shadowCamera.lookAtDirection(light.getDirection(), Vector3f.UNIT_Z);
+        } else {
+            shadowCamera.lookAtDirection(light.getDirection(), Vector3f.UNIT_Y);
+        }
+
+        int textureSize = frameBuffer.getWidth();
+        ShadowUtil.updateFrustumPoints(viewPort.getCamera(), near, far, points);
+        ShadowUtil.updateShadowCamera(viewPort, null, shadowCamera, points, shadowCasters, textureSize);
+    }
+
+}

jme3-core/src/main/java/com/jme3/shadow/next/array/PointArrayShadowMap.java

@@ -0,0 +1,99 @@
+/*
+ * Copyright (c) 2009-2017 jMonkeyEngine
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met:
+ *
+ * * Redistributions of source code must retain the above copyright
+ *   notice, this list of conditions and the following disclaimer.
+ *
+ * * Redistributions in binary form must reproduce the above copyright
+ *   notice, this list of conditions and the following disclaimer in the
+ *   documentation and/or other materials provided with the distribution.
+ *
+ * * Neither the name of 'jMonkeyEngine' nor the names of its contributors
+ *   may be used to endorse or promote products derived from this software
+ *   without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
+ * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
+ * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+ * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+ * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
+ * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
+ * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
+ * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+ * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+package com.jme3.shadow.next.array;
+
+import com.jme3.light.Light;
+import com.jme3.light.Light.Type;
+import com.jme3.light.PointLight;
+import com.jme3.math.Quaternion;
+import com.jme3.math.Vector3f;
+import com.jme3.renderer.RenderManager;
+import com.jme3.renderer.ViewPort;
+import com.jme3.renderer.queue.GeometryList;
+import com.jme3.texture.TextureArray;
+
+/**
+ * @author Kirill Vainer
+ */
+public class PointArrayShadowMap extends BaseArrayShadowMap<PointArrayShadowMapSlice> {
+
+    private final PointLight light;
+    
+    private static final Quaternion[] ROTATIONS = new Quaternion[6];
+    
+    static {
+        for (int i = 0; i < ROTATIONS.length; i++) {
+            ROTATIONS[i] = new Quaternion();
+        }
+
+        // left
+        ROTATIONS[0].fromAxes(Vector3f.UNIT_Z, Vector3f.UNIT_Y, Vector3f.UNIT_X.mult(-1f));
+
+        // right
+        ROTATIONS[1].fromAxes(Vector3f.UNIT_Z.mult(-1f), Vector3f.UNIT_Y, Vector3f.UNIT_X);
+
+        // bottom
+        ROTATIONS[2].fromAxes(Vector3f.UNIT_X.mult(-1f), Vector3f.UNIT_Z.mult(-1f), Vector3f.UNIT_Y.mult(-1f));
+
+        // top
+        ROTATIONS[3].fromAxes(Vector3f.UNIT_X.mult(-1f), Vector3f.UNIT_Z, Vector3f.UNIT_Y);
+
+        // forward
+        ROTATIONS[4].fromAxes(Vector3f.UNIT_X.mult(-1f), Vector3f.UNIT_Y, Vector3f.UNIT_Z.mult(-1f));
+
+        // backward
+        ROTATIONS[5].fromAxes(Vector3f.UNIT_X, Vector3f.UNIT_Y, Vector3f.UNIT_Z);
+    }
+    
+    public PointArrayShadowMap(PointLight light, TextureArray array, int firstArraySlice, int textureSize) {
+        super(array, firstArraySlice);
+        this.light = light;
+        this.slices = new PointArrayShadowMapSlice[6];
+        for (int i = 0; i < slices.length; i++) {
+            this.slices[i] = new PointArrayShadowMapSlice(array, firstArraySlice + i, textureSize, ROTATIONS[i]);
+        }
+    }
+
+    public void renderShadowMap(RenderManager renderManager, ViewPort viewPort, GeometryList shadowCasters) {
+        for (int i = 0; i < slices.length; i++) {
+            shadowCasters.clear();
+            slices[i].updateShadowCamera(viewPort, light, shadowCasters);
+            slices[i].renderShadowMap(renderManager, light, viewPort, shadowCasters);
+        }
+    }
+    
+    @Override
+    public Light.Type getLightType() {
+        return Type.Point;
+    }
+    
+}

jme3-core/src/main/java/com/jme3/shadow/next/array/PointArrayShadowMapSlice.java

@@ -0,0 +1,60 @@
+/*
+ * Copyright (c) 2009-2017 jMonkeyEngine
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met:
+ *
+ * * Redistributions of source code must retain the above copyright
+ *   notice, this list of conditions and the following disclaimer.
+ *
+ * * Redistributions in binary form must reproduce the above copyright
+ *   notice, this list of conditions and the following disclaimer in the
+ *   documentation and/or other materials provided with the distribution.
+ *
+ * * Neither the name of 'jMonkeyEngine' nor the names of its contributors
+ *   may be used to endorse or promote products derived from this software
+ *   without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
+ * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
+ * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+ * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+ * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
+ * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
+ * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
+ * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+ * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+package com.jme3.shadow.next.array;
+
+import com.jme3.light.PointLight;
+import com.jme3.math.Quaternion;
+import com.jme3.renderer.ViewPort;
+import com.jme3.renderer.queue.GeometryList;
+import com.jme3.renderer.queue.RenderQueue.ShadowMode;
+import com.jme3.scene.Spatial;
+import com.jme3.shadow.ShadowUtil;
+import com.jme3.texture.TextureArray;
+
+/**
+ * @author Kirill Vainer
+ */
+public class PointArrayShadowMapSlice extends BaseArrayShadowMapSlice<PointLight> {
+
+    public PointArrayShadowMapSlice(TextureArray array, int layer, int textureSize, Quaternion axes) {
+        super(array, layer, textureSize, false);
+        shadowCamera.setAxes(axes);
+    }
+
+    public void updateShadowCamera(ViewPort viewPort, PointLight light, GeometryList shadowCasters) {
+        shadowCamera.setFrustumPerspective(90f, 1f, 0.5f, light.getRadius());
+        shadowCamera.setLocation(light.getPosition());
+        for (Spatial scene : viewPort.getScenes()) {
+            ShadowUtil.getGeometriesInCamFrustum(scene, shadowCamera, ShadowMode.Cast, shadowCasters);
+        }
+    }
+}

jme3-core/src/main/java/com/jme3/shadow/next/array/SpotArrayShadowMap.java

@@ -0,0 +1,66 @@
+/*
+ * Copyright (c) 2009-2016 jMonkeyEngine
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met:
+ *
+ * * Redistributions of source code must retain the above copyright
+ *   notice, this list of conditions and the following disclaimer.
+ *
+ * * Redistributions in binary form must reproduce the above copyright
+ *   notice, this list of conditions and the following disclaimer in the
+ *   documentation and/or other materials provided with the distribution.
+ *
+ * * Neither the name of 'jMonkeyEngine' nor the names of its contributors
+ *   may be used to endorse or promote products derived from this software
+ *   without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
+ * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
+ * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+ * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+ * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
+ * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
+ * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
+ * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+ * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+package com.jme3.shadow.next.array;
+
+import com.jme3.light.Light;
+import com.jme3.light.SpotLight;
+import com.jme3.renderer.RenderManager;
+import com.jme3.renderer.ViewPort;
+import com.jme3.renderer.queue.GeometryList;
+import com.jme3.texture.TextureArray;
+
+/**
+ * @author Kirill Vainer
+ */
+public class SpotArrayShadowMap extends BaseArrayShadowMap<SpotArrayShadowMapSlice> {
+
+    private final SpotLight light;
+
+    public SpotArrayShadowMap(SpotLight light, TextureArray array, int firstArraySlice, int textureSize) {
+        super(array, firstArraySlice);
+        this.light = light;
+        slices = new SpotArrayShadowMapSlice[]{
+            new SpotArrayShadowMapSlice(array, firstArraySlice, textureSize)
+        };
+    }
+
+    public void renderShadowMap(RenderManager renderManager, ViewPort viewPort, GeometryList shadowCasters) {
+        shadowCasters.clear();
+        slices[0].updateShadowCamera(viewPort, light, shadowCasters);
+        slices[0].renderShadowMap(renderManager, light, viewPort, shadowCasters);
+    }
+
+    @Override
+    public Light.Type getLightType() {
+        return Light.Type.Spot;
+    }
+}

jme3-core/src/main/java/com/jme3/shadow/next/array/SpotArrayShadowMapSlice.java

@@ -0,0 +1,71 @@
+/*
+ * Copyright (c) 2009-2016 jMonkeyEngine
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met:
+ *
+ * * Redistributions of source code must retain the above copyright
+ *   notice, this list of conditions and the following disclaimer.
+ *
+ * * Redistributions in binary form must reproduce the above copyright
+ *   notice, this list of conditions and the following disclaimer in the
+ *   documentation and/or other materials provided with the distribution.
+ *
+ * * Neither the name of 'jMonkeyEngine' nor the names of its contributors
+ *   may be used to endorse or promote products derived from this software
+ *   without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
+ * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
+ * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+ * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+ * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
+ * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
+ * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
+ * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+ * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+package com.jme3.shadow.next.array;
+
+import com.jme3.light.SpotLight;
+import com.jme3.math.FastMath;
+import com.jme3.math.Vector3f;
+import com.jme3.renderer.ViewPort;
+import com.jme3.renderer.queue.GeometryList;
+import com.jme3.renderer.queue.RenderQueue;
+import com.jme3.scene.Spatial;
+import com.jme3.shadow.ShadowUtil;
+import com.jme3.texture.TextureArray;
+
+/**
+ * @author Kirill Vainer
+ */
+public class SpotArrayShadowMapSlice extends BaseArrayShadowMapSlice<SpotLight> {
+
+    public SpotArrayShadowMapSlice(TextureArray array, int layer, int textureSize) {
+        super(array, layer, textureSize, true);
+    }
+    
+    private static boolean isParallelToYUp(Vector3f direction) {
+        return direction.x == 0 && direction.z == 0
+                && (direction.y == -1 || direction.y == 1);
+    }
+
+    public void updateShadowCamera(ViewPort viewPort, SpotLight light, GeometryList shadowCasters) {
+        shadowCamera.setLocation(light.getPosition());
+        if (isParallelToYUp(light.getDirection())) {
+            // direction and up cannot be parallel
+            shadowCamera.lookAtDirection(light.getDirection(), Vector3f.UNIT_Z);
+        } else {
+            shadowCamera.lookAtDirection(light.getDirection(), Vector3f.UNIT_Y);
+        }
+        shadowCamera.setFrustumPerspective(light.getSpotOuterAngle() * FastMath.RAD_TO_DEG * 2.0f, 1, 1, light.getSpotRange());
+        for (Spatial scene : viewPort.getScenes()) {
+            ShadowUtil.getGeometriesInCamFrustum(scene, shadowCamera, RenderQueue.ShadowMode.Cast, shadowCasters);
+        }
+    }
+}

jme3-core/src/main/java/com/jme3/shadow/next/pssm/BaseShadowMapSlice.java

@@ -0,0 +1,87 @@
+/*
+ * Copyright (c) 2009-2016 jMonkeyEngine
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met:
+ *
+ * * Redistributions of source code must retain the above copyright
+ *   notice, this list of conditions and the following disclaimer.
+ *
+ * * Redistributions in binary form must reproduce the above copyright
+ *   notice, this list of conditions and the following disclaimer in the
+ *   documentation and/or other materials provided with the distribution.
+ *
+ * * Neither the name of 'jMonkeyEngine' nor the names of its contributors
+ *   may be used to endorse or promote products derived from this software
+ *   without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
+ * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
+ * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+ * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+ * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
+ * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
+ * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
+ * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+ * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+package com.jme3.shadow.next.pssm;
+
+import com.jme3.light.Light;
+import com.jme3.math.Matrix4f;
+import com.jme3.math.Vector3f;
+import com.jme3.renderer.Camera;
+import com.jme3.renderer.RenderManager;
+import com.jme3.renderer.Renderer;
+import com.jme3.renderer.ViewPort;
+import com.jme3.renderer.queue.GeometryList;
+import com.jme3.texture.FrameBuffer;
+import com.jme3.texture.Image;
+import com.jme3.texture.Texture.MagFilter;
+import com.jme3.texture.Texture.MinFilter;
+import com.jme3.texture.Texture.ShadowCompareMode;
+import com.jme3.texture.Texture2D;
+import com.jme3.shadow.next.ShadowMapSlice;
+
+public abstract class BaseShadowMapSlice<T extends Light> implements ShadowMapSlice<T> {
+
+    protected final FrameBuffer frameBuffer;
+    protected final Texture2D depthTexture;
+    protected final Camera shadowCamera;
+    protected final Vector3f[] points;
+    protected final Matrix4f biasedViewProjectionMatrix = new Matrix4f();
+
+    public BaseShadowMapSlice(int size, Vector3f[] points) {
+        this.depthTexture = new Texture2D(size, size, Image.Format.Depth16);
+        this.depthTexture.setAnisotropicFilter(1);
+        this.depthTexture.setShadowCompareMode(ShadowCompareMode.LessOrEqual);
+        this.depthTexture.setMagFilter(MagFilter.Bilinear);
+        this.depthTexture.setMinFilter(MinFilter.BilinearNoMipMaps);
+        this.shadowCamera = new Camera(size, size);
+        this.frameBuffer = new FrameBuffer(size, size, 1);
+        this.frameBuffer.setDepthTexture(depthTexture);
+        this.points = points;
+    }
+
+    @Override
+    public void renderShadowMap(RenderManager renderManager, T light, ViewPort viewPort, GeometryList shadowCasters) {
+        Renderer renderer = renderManager.getRenderer();
+
+        renderer.setFrameBuffer(frameBuffer);
+        renderer.clearBuffers(false, true, false);
+
+        if (shadowCasters.size() > 0) {
+            renderManager.setCamera(shadowCamera, false);
+            viewPort.getQueue().renderShadowQueue(shadowCasters, renderManager, shadowCamera, true);
+        }
+    }
+
+    @Override
+    public Matrix4f getBiasedViewProjectionMatrix() {
+        return BIAS_MATRIX.mult(shadowCamera.getViewProjectionMatrix(), biasedViewProjectionMatrix);
+    }
+}

jme3-core/src/main/java/com/jme3/shadow/next/pssm/DirectionalShadowMap.java

@@ -0,0 +1,92 @@
+/*
+ * Copyright (c) 2009-2016 jMonkeyEngine
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met:
+ *
+ * * Redistributions of source code must retain the above copyright
+ *   notice, this list of conditions and the following disclaimer.
+ *
+ * * Redistributions in binary form must reproduce the above copyright
+ *   notice, this list of conditions and the following disclaimer in the
+ *   documentation and/or other materials provided with the distribution.
+ *
+ * * Neither the name of 'jMonkeyEngine' nor the names of its contributors
+ *   may be used to endorse or promote products derived from this software
+ *   without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
+ * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
+ * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+ * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+ * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
+ * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
+ * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
+ * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+ * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+package com.jme3.shadow.next.pssm;
+
+import com.jme3.light.DirectionalLight;
+import com.jme3.light.Light.Type;
+import com.jme3.math.Vector3f;
+import com.jme3.math.Vector4f;
+import com.jme3.renderer.RenderManager;
+import com.jme3.renderer.ViewPort;
+import com.jme3.renderer.queue.GeometryList;
+import com.jme3.shadow.next.ShadowMapSlice;
+import com.jme3.shadow.next.ShadowMap;
+
+/**
+ * @author Kirill Vainer
+ */
+public class DirectionalShadowMap implements ShadowMap<DirectionalLight> {
+
+    private final DirectionalLight light;
+    private final DirectionalShadowMapSlice[] splits;
+    private final Vector3f projectionSplitPositions = new Vector3f();
+
+    public DirectionalShadowMap(DirectionalLight light, int textureSize, int numSplits, Vector3f[] points) {
+        this.light = light;
+        this.splits = new DirectionalShadowMapSlice[numSplits];
+        for (int i = 0; i < splits.length; i++) {
+            this.splits[i] = new DirectionalShadowMapSlice(textureSize, points);
+        }
+    }
+
+    public void renderShadowMap(RenderManager renderManager, ViewPort viewPort, DirectionalShadowParameters params, GeometryList shadowCasters) {
+        projectionSplitPositions.set(params.getProjectionSplitPositions());
+        float[] splitPositionsViewSpace = params.getSplitPositions();
+        for (int i = 0; i < splits.length; i++) {
+            float near = splitPositionsViewSpace[i];
+            float far = splitPositionsViewSpace[i + 1];
+            shadowCasters.clear();
+            splits[i].updateShadowCamera(viewPort, light, shadowCasters, near, far);
+            splits[i].renderShadowMap(renderManager, light, viewPort, shadowCasters);
+        }
+    }
+
+    public Vector3f getProjectionSplitPositions() {
+        return projectionSplitPositions;
+    }
+
+    @Override
+    public int getNumSlices() {
+        return splits.length;
+    }
+
+    @Override
+    public ShadowMapSlice getSlice(int index) {
+        return splits[index];
+    }
+
+    @Override
+    public Type getLightType() {
+        return Type.Directional;
+    }
+
+}

jme3-core/src/main/java/com/jme3/shadow/next/pssm/DirectionalShadowMapSlice.java

@@ -0,0 +1,67 @@
+/*
+ * Copyright (c) 2009-2016 jMonkeyEngine
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met:
+ *
+ * * Redistributions of source code must retain the above copyright
+ *   notice, this list of conditions and the following disclaimer.
+ *
+ * * Redistributions in binary form must reproduce the above copyright
+ *   notice, this list of conditions and the following disclaimer in the
+ *   documentation and/or other materials provided with the distribution.
+ *
+ * * Neither the name of 'jMonkeyEngine' nor the names of its contributors
+ *   may be used to endorse or promote products derived from this software
+ *   without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
+ * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
+ * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+ * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+ * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
+ * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
+ * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
+ * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+ * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+package com.jme3.shadow.next.pssm;
+
+import com.jme3.light.DirectionalLight;
+import com.jme3.math.Vector3f;
+import com.jme3.renderer.ViewPort;
+import com.jme3.renderer.queue.GeometryList;
+import com.jme3.shadow.ShadowUtil;
+import com.jme3.texture.Texture2D;
+
+/**
+ * @author Kirill Vainer
+ */
+public class DirectionalShadowMapSlice extends BaseShadowMapSlice<DirectionalLight> {
+
+    public DirectionalShadowMapSlice(int size, Vector3f[] points) {
+        super(size, points);
+        this.shadowCamera.setParallelProjection(true);
+    }
+
+    public void updateShadowCamera(
+            ViewPort viewPort,
+            DirectionalLight light,
+            GeometryList shadowCasters,
+            float near,
+            float far) {
+        ShadowUtil.updateFrustumPoints(viewPort.getCamera(), near, far, points);
+        shadowCamera.lookAtDirection(light.getDirection(), shadowCamera.getUp());
+        
+        int textureSize = frameBuffer.getWidth();
+        ShadowUtil.updateShadowCamera(viewPort, null, shadowCamera, points, shadowCasters, textureSize);
+    }
+
+    public Texture2D getTexture() {
+        return depthTexture;
+    }
+}

jme3-core/src/main/java/com/jme3/shadow/next/pssm/DirectionalShadowParameters.java

@@ -0,0 +1,139 @@
+/*
+ * Copyright (c) 2009-2016 jMonkeyEngine
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met:
+ *
+ * * Redistributions of source code must retain the above copyright
+ *   notice, this list of conditions and the following disclaimer.
+ *
+ * * Redistributions in binary form must reproduce the above copyright
+ *   notice, this list of conditions and the following disclaimer in the
+ *   documentation and/or other materials provided with the distribution.
+ *
+ * * Neither the name of 'jMonkeyEngine' nor the names of its contributors
+ *   may be used to endorse or promote products derived from this software
+ *   without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
+ * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
+ * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+ * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+ * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
+ * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
+ * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
+ * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+ * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+package com.jme3.shadow.next.pssm;
+
+import com.jme3.math.Vector3f;
+import com.jme3.renderer.Camera;
+import com.jme3.shadow.PssmShadowUtil;
+
+/**
+ * @author Kirill Vainer
+ */
+public final class DirectionalShadowParameters {
+
+    private float lambda = 0.65f;
+    private int numSplits = 4;
+    protected float zFarOverride = 0;
+    private float[] splitPositions = new float[numSplits + 1];
+    private final Vector3f projectionSplitPositions = new Vector3f();
+
+    public float getLambda() {
+        return lambda;
+    }
+
+    public void setLambda(float lambda) {
+        this.lambda = lambda;
+    }
+
+    public int getNumSplits() {
+        return numSplits;
+    }
+
+    public void setNumSplits(int numSplits) {
+        if (numSplits < 1 || numSplits > 4) {
+            throw new IllegalArgumentException("Number of splits must be between 1 and 4");
+        }
+        this.numSplits = numSplits;
+        this.splitPositions = new float[numSplits + 1];
+    }
+
+    public float[] getSplitPositions() {
+        return splitPositions;
+    }
+
+    public Vector3f getProjectionSplitPositions() {
+        return projectionSplitPositions;
+    }
+
+    /**
+     * How far the shadows are rendered in the view
+     *
+     * @see #setShadowZExtend(float zFar)
+     * @return shadowZExtend
+     */
+    public float getShadowZExtend() {
+        return zFarOverride;
+    }
+    
+    /**
+     * Set the distance from the eye where the shadows will be rendered.
+     * 
+     * The default value is dynamically computed based on the shadow
+     * casters/receivers union bound zFar, capped to view frustum far value.
+     *
+     * @param zFar the zFar values that override the computed one
+     */
+    public void setShadowZExtend(float zFar) {
+        this.zFarOverride = zFar;
+        
+        // TODO: Fade length not supported yet
+//        if (zFarOverride == 0) {
+//            fadeInfo = null;
+//            frustumCam = null;
+//        } else {
+//            if (fadeInfo != null) {
+//                fadeInfo.set(zFarOverride - fadeLength, 1f / fadeLength);
+//            }
+//            if (frustumCam == null && viewPort != null) {
+//                initFrustumCam();
+//            }
+//        }
+    }
+    
+    public void updateSplitPositions(Camera viewCamera) {
+        float near = viewCamera.getFrustumNear();
+        float far = zFarOverride == 0f ? viewCamera.getFrustumFar() : zFarOverride;
+
+        PssmShadowUtil.updateFrustumSplits(splitPositions, near, far, lambda);
+
+        // TODO: Parallel projection can have negative near value, so split
+        //       positions must be adjusted.
+//        if (viewCamera.isParallelProjection()) {
+//            for (int i = 0; i < splitPositions.length; i++) {
+//                splitPositions[i] = splitPositions[i] / (far - near);
+//            }
+//        }
+
+        switch (splitPositions.length) {
+            case 5:
+//                projectionSplitPositions.w = 1.0f;
+            case 4:
+                projectionSplitPositions.z = viewCamera.getViewToProjectionZ(splitPositions[3]);
+            case 3:
+                projectionSplitPositions.y = viewCamera.getViewToProjectionZ(splitPositions[2]);
+            case 2:
+            case 1:
+                projectionSplitPositions.x = viewCamera.getViewToProjectionZ(splitPositions[1]);
+                break;
+        }
+    }
+}

jme3-core/src/main/resources/Common/MatDefs/Light/Lighting.frag

@@ -173,7 +173,7 @@ void main(){
         // allow use of control flow
         if(g_LightDirection.w != 0.0){
        #endif
-          spotFallOff =  computeSpotFalloff(g_LightDirection, lightVec);
+          spotFallOff =  computeSpotFalloff(g_LightDirection, lightDir.xyz);
        #if __VERSION__ >= 110
           if(spotFallOff <= 0.0){
               gl_FragColor.rgb = AmbientSum * diffuseColor.rgb;

jme3-core/src/main/resources/Common/MatDefs/Light/Lighting.j3md

@@ -27,6 +27,9 @@ MaterialDef Phong Lighting {
         // Specular power/shininess
         Float Shininess : 1
 
+        // Ambient map
+        Texture2D AmbientMap
+
         // Diffuse map
         Texture2D DiffuseMap
 
@@ -120,6 +123,9 @@ MaterialDef Phong Lighting {
         Boolean UseInstancing
 
         Boolean BackfaceShadows : false
+
+        // PreShadow: use point light mode for depth
+        Boolean IsPointLight
     }
 
     Technique {
@@ -213,12 +219,16 @@ MaterialDef Phong Lighting {
             WorldViewMatrix
             ViewProjectionMatrix
             ViewMatrix
+            WorldMatrix
+            CameraPosition
+            FrustumNearFar
         }
 
         Defines {
             DISCARD_ALPHA : AlphaDiscardThreshold
             NUM_BONES : NumberOfBones
             INSTANCING : UseInstancing
+            POINT_LIGHT : IsPointLight
             NUM_MORPH_TARGETS: NumberOfMorphTargets
             NUM_TARGETS_BUFFERS: NumberOfTargetsBuffers
         }

jme3-core/src/main/resources/Common/MatDefs/Light/Lighting.vert

@@ -168,7 +168,7 @@ void main(){
             // allow use of control flow
         if(lightColor.w > 1.0){
         #endif           
-           spotFallOff = computeSpotFalloff(g_LightDirection, lightVec);
+           spotFallOff = computeSpotFalloff(g_LightDirection, vLightDir.xyz);
         #if __VERSION__ >= 110           
         }
         #endif

jme3-core/src/main/resources/Common/MatDefs/Light/PBRLighting.frag

@@ -2,6 +2,7 @@
 #import "Common/ShaderLib/PBR.glsllib"
 #import "Common/ShaderLib/Parallax.glsllib"
 #import "Common/ShaderLib/Lighting.glsllib"
+#import "Common/ShaderLib/InPassShadows.glsllib"
 
 varying vec2 texCoord;
 #ifdef SEPARATE_TEXCOORD
@@ -35,6 +36,8 @@ varying vec3 wPosition;
   uniform mat4 g_LightProbeData3;
 #endif
 
+uniform vec4 g_AmbientLightColor;
+
 #ifdef BASECOLORMAP
   uniform sampler2D m_BaseColorMap;
 #endif
@@ -94,7 +97,7 @@ varying vec3 wNormal;
 uniform float m_AlphaDiscardThreshold;
 #endif
 
-void main(){
+void main() {
     vec2 newTexCoord;
     vec3 viewDir = normalize(g_CameraPosition - wPosition);
 
@@ -223,10 +226,19 @@ void main(){
        specularColor.rgb *= lightMapColor;
     #endif
 
+    Shadow_ProcessPssmSlice();
+
 
     float ndotv = max( dot( normal, viewDir ),0.0);
     for( int i = 0;i < NB_LIGHTS; i+=3){
         vec4 lightColor = g_LightData[i];
+
+        float shadowMapIndex = -1.0;
+        if (lightColor.w < 0.0) {
+            shadowMapIndex = floor(-lightColor.w);
+            lightColor.w = fract(-lightColor.w);
+        }
+
         vec4 lightData1 = g_LightData[i+1];
         vec4 lightDir;
         vec3 lightVec;            
@@ -235,16 +247,19 @@ void main(){
         float fallOff = 1.0;
         #if __VERSION__ >= 110
             // allow use of control flow
-        if(lightColor.w > 1.0){
+        if(lightColor.w > 0.4){
         #endif
-            fallOff =  computeSpotFalloff(g_LightData[i+2], lightVec);
+            fallOff =  computeSpotFalloff(g_LightData[i+2], lightDir.xyz);
         #if __VERSION__ >= 110
         }
         #endif
         //point light attenuation
         fallOff *= lightDir.w;
 
-        lightDir.xyz = normalize(lightDir.xyz);            
+        if (shadowMapIndex >= 0.0) {
+            fallOff *= Shadow_Process(i / 3, lightColor.w, shadowMapIndex, lightVec, lightDir.xyz, wPosition, lightData1.w);
+        }
+       
         vec3 directDiffuse;
         vec3 directSpecular;
         
@@ -257,6 +272,8 @@ void main(){
         gl_FragColor.rgb += directLighting * fallOff;
     }
 
+
+    gl_FragColor.rgb += g_AmbientLightColor.rgb * diffuseColor.rgb;
     #if NB_PROBES >= 1
         vec3 color1 = vec3(0.0);
         vec3 color2 = vec3(0.0);
@@ -295,7 +312,6 @@ void main(){
             weight3 /= weightSum;
         #endif
         gl_FragColor.rgb += color1 * clamp(weight1,0.0,1.0) + color2 * clamp(weight2,0.0,1.0) + color3 * clamp(weight3,0.0,1.0);
-
     #endif
 
     #if defined(EMISSIVE) || defined (EMISSIVEMAP)

jme3-core/src/main/resources/Common/MatDefs/Light/PBRLighting.j3md

@@ -118,6 +118,9 @@ MaterialDef PBR Lighting {
         Boolean UseVertexColor
 
         Boolean BackfaceShadows : false
+
+        // PreShadow: use point light mode for depth
+        Boolean IsPointLight
     }
 
     Technique {
@@ -175,12 +178,16 @@ MaterialDef PBR Lighting {
             WorldViewMatrix
             ViewProjectionMatrix
             ViewMatrix
+            WorldMatrix
+            CameraPosition
+            FrustumNearFar
         }
 
         Defines {
             DISCARD_ALPHA : AlphaDiscardThreshold
             NUM_BONES : NumberOfBones
             INSTANCING : UseInstancing
+            POINT_LIGHT : IsPointLight
             NUM_MORPH_TARGETS: NumberOfMorphTargets
             NUM_TARGETS_BUFFERS: NumberOfTargetsBuffers
         }

jme3-core/src/main/resources/Common/MatDefs/Light/PBRLighting.vert

@@ -1,6 +1,7 @@
 #import "Common/ShaderLib/GLSLCompat.glsllib"
 #import "Common/ShaderLib/Instancing.glsllib"
 #import "Common/ShaderLib/Skinning.glsllib"
+#import "Common/ShaderLib/InPassShadows.glsllib"
 #import "Common/ShaderLib/MorphAnim.glsllib"
 
 uniform vec4 m_BaseColor;
@@ -59,7 +60,11 @@ void main(){
        texCoord2 = inTexCoord2;
     #endif
 
-    wPosition = TransformWorld(modelSpacePos).xyz;
+    vec3 worldPos = TransformWorld(modelSpacePos).xyz;
+
+    Shadow_ProcessProjCoord(worldPos);
+
+    wPosition = worldPos;
     wNormal  = TransformWorldNormal(modelSpaceNorm);
 
     #if defined(NORMALMAP) || defined(PARALLAXMAP)

jme3-core/src/main/resources/Common/MatDefs/Light/SPLighting.frag

@@ -188,7 +188,7 @@ void main(){
                 // allow use of control flow
             if(lightColor.w > 1.0){
             #endif
-                spotFallOff =  computeSpotFalloff(g_LightData[i+2], lightVec);
+                spotFallOff =  computeSpotFalloff(g_LightData[i+2], lightDir.xyz);
             #if __VERSION__ >= 110
             }
             #endif

jme3-core/src/main/resources/Common/MatDefs/Light/SPLighting.vert

@@ -165,7 +165,7 @@ void main(){
             if(lightColor.w > 1.0){
             #endif
                vec4 lightDirection = g_LightData[i+2];
-               spotFallOff = computeSpotFalloff(lightDirection, lightVec);
+               spotFallOff = computeSpotFalloff(lightDirection, lightDir.xyz);
             #if __VERSION__ >= 110
             }
             #endif

jme3-core/src/main/resources/Common/MatDefs/Misc/Particle.j3md

@@ -14,6 +14,9 @@ MaterialDef Point Sprite {
         Texture2D GlowMap
         // The glow color of the object
         Color GlowColor
+
+        // PreShadow: use point light mode for depth
+        Boolean IsPointLight
     }
 
     Technique {
@@ -56,10 +59,14 @@ MaterialDef Point Sprite {
             WorldViewMatrix
             ViewProjectionMatrix
             ViewMatrix
+            WorldMatrix
+            CameraPosition
+            FrustumNearFar
         }
 
         Defines {
             COLOR_MAP : Texture
+            POINT_LIGHT : IsPointLight
         }
 
         ForcedRenderState {

jme3-core/src/main/resources/Common/MatDefs/Misc/Unshaded.j3md

@@ -59,6 +59,9 @@ MaterialDef Unshaded {
         Float ShadowMapSize
 
         Boolean BackfaceShadows: true
+
+        // PreShadow: use point light mode for depth
+        Boolean IsPointLight
     }
 
     Technique {
@@ -117,6 +120,9 @@ MaterialDef Unshaded {
             WorldViewMatrix
             ViewProjectionMatrix
             ViewMatrix
+            WorldMatrix
+            CameraPosition
+            FrustumNearFar
         }
 
         Defines {
@@ -124,6 +130,7 @@ MaterialDef Unshaded {
             DISCARD_ALPHA : AlphaDiscardThreshold
             NUM_BONES : NumberOfBones
             INSTANCING : UseInstancing
+            POINT_LIGHT : IsPointLight
             NUM_MORPH_TARGETS: NumberOfMorphTargets
             NUM_TARGETS_BUFFERS: NumberOfTargetsBuffers
         }

jme3-core/src/main/resources/Common/MatDefs/Shadow/PreShadow.j3md

@@ -1,11 +1,24 @@
 MaterialDef Pre Shadow {
+
+    MaterialParameters {
+        // PreShadow: use point light mode for depth
+        Boolean IsPointLight
+    }
+
     Technique {
         VertexShader GLSL100 GLSL150 :   Common/MatDefs/Shadow/PreShadow.vert
         FragmentShader GLSL100 GLSL150 : Common/MatDefs/Shadow/PreShadow.frag
 
+        Defines {
+            POINT_LIGHT : IsPointLight
+        }
+
         WorldParameters {
             WorldViewProjectionMatrix
             WorldViewMatrix
+            WorldMatrix
+            CameraPosition
+            FrustumNearFar
         }
 
         RenderState {

jme3-core/src/main/resources/Common/MatDefs/Shadow/PreShadow.vert

@@ -4,11 +4,17 @@
 #import "Common/ShaderLib/MorphAnim.glsllib"
 
 attribute vec3 inPosition;
+#ifdef DISCARD_ALPHA
 attribute vec2 inTexCoord;
-
 varying vec2 texCoord;
+#endif
 
-void main(){
+#ifdef POINT_LIGHT
+uniform vec3 g_CameraPosition;
+uniform vec2 g_FrustumNearFar;
+#endif
+
+void main() {
     vec4 modelSpacePos = vec4(inPosition, 1.0);
 
     #ifdef NUM_MORPH_TARGETS
@@ -18,6 +24,20 @@ void main(){
     #ifdef NUM_BONES
         Skinning_Compute(modelSpacePos);
     #endif
-    gl_Position = TransformWorldViewProjection(modelSpacePos);
+
+    #ifdef DISCARD_ALPHA
         texCoord = inTexCoord;
+    #endif
+
+    gl_Position = TransformWorldViewProjection(modelSpacePos);
+
+    #ifdef POINT_LIGHT
+        vec3 lightDir = g_CameraPosition - TransformWorld(modelSpacePos).xyz;
+
+        // The Z value to write into the depth map, should be [0.0, 1.0]
+        float z = sqrt(length(lightDir) / g_FrustumNearFar.y);
+
+        // Remap [0.0, 1.0] into [-1.0, 1.0]
+        gl_Position.z = (clamp(z, 0.0, 1.0) * 2.0 - 1.0) * gl_Position.w;
+    #endif
 }

jme3-core/src/main/resources/Common/MatDefs/Shadow/ShowShadowArray.frag

@@ -0,0 +1,15 @@
+#import "Common/ShaderLib/GLSLCompat.glsllib"
+
+uniform float m_ShadowMapSlice;
+uniform sampler2DArray m_ShadowMapArray;
+varying vec2 texCoord1;
+
+void main() {
+    float shadow = texture2D(m_ShadowMapArray, vec3(texCoord1, m_ShadowMapSlice)).r;
+
+    shadow = sqrt(shadow);
+
+    // TODO: make it betterer
+    gl_FragColor.rgb = vec3(shadow);
+    gl_FragColor.a = 1.0;
+}

jme3-core/src/main/resources/Common/MatDefs/Shadow/ShowShadowArray.j3md

@@ -0,0 +1,17 @@
+MaterialDef Pre Shadow {
+
+    MaterialParameters {
+        TextureArray ShadowMapArray
+        Float ShadowMapSlice
+    }
+
+    Technique {
+        VertexShader   GLSL150 : Common/MatDefs/Misc/Unshaded.vert
+        FragmentShader GLSL150 : Common/MatDefs/Shadow/ShowShadowArray.frag
+
+        WorldParameters {
+            WorldViewProjectionMatrix
+            ViewProjectionMatrix
+        }
+    }
+}

jme3-core/src/main/resources/Common/ShaderLib/GLSLCompat.glsllib

@@ -25,6 +25,7 @@ out vec4 outFragColor;
 #  define texture3D texture
 #  define textureCube texture
 #  define texture2DLod textureLod
+#  define shadow2D(a,b)  vec4(texture(a,b))
 #  define textureCubeLod textureLod
 #  if defined VERTEX_SHADER
 #    define varying out

jme3-core/src/main/resources/Common/ShaderLib/InPassShadows.glsllib

@@ -0,0 +1,165 @@
+#import "Common/ShaderLib/GLSLCompat.glsllib"
+
+#extension GL_EXT_texture_array : enable
+
+#ifndef NUM_PSSM_SPLITS
+#define NUM_PSSM_SPLITS 0
+#endif
+
+#ifdef IN_PASS_SHADOWS
+
+    uniform mat4 g_ShadowMatrices[(NB_LIGHTS/3) + NUM_PSSM_SPLITS];
+
+#if NUM_PSSM_SPLITS > 0
+    varying vec3 dirProjCoord[NUM_PSSM_SPLITS];
+#else
+    varying vec3 dirProjCoord[1];
+#endif
+
+    #ifdef VERTEX_SHADER
+        void Shadow_ProcessProjCoord(vec3 worldPos) {
+#if NUM_PSSM_SPLITS > 0
+            for (int i = 0; i < NUM_PSSM_SPLITS; i++) {
+                #if __VERSION__ >= 150
+                    dirProjCoord[i] = mat4x3(g_ShadowMatrices[i]) * vec4(worldPos, 1.0);
+                #else
+                    dirProjCoord[i] = (g_ShadowMatrices[i] * vec4(worldPos, 1.0)).xyz;
+                #endif
+            }
+#endif
+        }
+    #else
+        uniform sampler2DArrayShadow g_ShadowMapArray;
+        uniform vec3 g_PssmSplits;
+
+        float pssmSliceOffset;
+
+        void Shadow_ProcessPssmSlice() {
+            #if NUM_PSSM_SPLITS > 1
+                pssmSliceOffset = dot(step(g_PssmSplits.xyz, gl_FragCoord.zzz), vec3(1.0));
+            #else
+                pssmSliceOffset = 0.0;
+            #endif
+        }
+
+        vec3 Shadow_GetCubeMapTC(in vec3 direction) {
+            vec3 axis = abs(direction);
+            float largest = max(axis.x, max(axis.y, axis.z));
+            vec3 tc;
+            if (largest == axis.x) {
+                if (direction.x > 0.0) {
+                    tc = vec3( direction.z, -direction.y, 0.0);
+                } else {
+                    tc = vec3(-direction.z, -direction.y, 1.0);
+                }
+            } else if (largest == axis.y) {
+                if (direction.y > 0.0) {
+                    tc = vec3(-direction.x, direction.z, 2.0);
+                } else {
+                    tc = vec3(-direction.x, -direction.z, 3.0);
+                }
+            } else {
+                if (direction.z > 0.0) {
+                    tc = vec3(-direction.x, -direction.y, 4.0);
+                } else {
+                    tc = vec3(direction.x,  -direction.y, 5.0);
+                }
+            }
+            largest = 1.0 / largest;
+            tc.xy = 0.5 * (tc.xy * vec2(largest) + 1.0);
+            return tc;
+        }
+
+        float Shadow_Process(int lightIndex, float lightType, float shadowMapIndex, 
+                             vec3 lightVec, vec3 lightDir, 
+                             vec3 worldPos, float invRadius) {
+            vec4 tc;
+
+            if (lightType <= 0.2) {
+                vec3 projCoord = dirProjCoord[int(pssmSliceOffset)];
+                tc = vec4(projCoord.xy, shadowMapIndex + pssmSliceOffset, projCoord.z);
+            } else if (lightType <= 0.3) {
+                vec3 projCoord = Shadow_GetCubeMapTC(lightVec.xyz);
+                float dist = sqrt(length(lightVec) * invRadius);
+                tc = vec4(projCoord.xy, shadowMapIndex + projCoord.z, dist);
+            } else {
+                tc = g_ShadowMatrices[NUM_PSSM_SPLITS + lightIndex] * vec4(worldPos, 1.0);
+                tc.xyz /= tc.w;
+                tc = vec4(tc.xy, shadowMapIndex, tc.z);
+            }
+
+            #if __VERSION__ >= 150
+                return texture(g_ShadowMapArray, tc);
+            #else
+                return shadow2DArray(g_ShadowMapArray, tc).x;
+            #endif
+        }
+    #endif
+
+#elif NUM_PSSM_SPLITS > 0
+
+    // A lightweight version of in-pass lighting that only handles directional lights
+    // Control flow and loop iteration count are static
+
+    varying vec4 vProjCoord[NUM_PSSM_SPLITS];
+
+    #ifdef VERTEX_SHADER
+        uniform mat4 g_DirectionalShadowMatrix[NUM_PSSM_SPLITS];
+        void Shadow_ProcessProjCoord(vec3 worldPos) {
+            for (int i = 0; i < NUM_PSSM_SPLITS; i++) {
+                vProjCoord[i] = g_DirectionalShadowMatrix[i] * vec4(worldPos, 1.0);
+            }
+        }
+    #else
+        uniform sampler2DShadow g_DirectionalShadowMap[NUM_PSSM_SPLITS];
+        uniform vec4 g_PssmSplits;
+
+        const vec2 invTexSize = vec2(1.0 / 1024.0);
+
+        float Shadow_SampleOffset(sampler2DShadow shadowMap, vec4 projCoord, vec2 offset) {
+            return shadow2D(shadowMap, vec3(projCoord.xy + offset * invTexSize, projCoord.z)).r;
+        }
+
+        float Shadow_Sample(sampler2DShadow shadowMap, vec4 projCoord) {
+            return shadow2D(shadowMap, projCoord.xyz).r;
+        }
+
+        #define GET_SHADOW(i) if (z < g_PssmSplits[i]) return Shadow_Sample(g_DirectionalShadowMap[i], vProjCoord[i]);
+
+        void Shadow_ProcessPssmSlice() {
+        }
+
+        float Shadow_ProcessDirectional() {
+            float z = gl_FragCoord.z;
+
+            GET_SHADOW(0);
+            #if NUM_PSSM_SPLITS > 1
+                GET_SHADOW(1)
+                #if NUM_PSSM_SPLITS > 2
+                    GET_SHADOW(2)
+                    #if NUM_PSSM_SPLITS > 3
+                        GET_SHADOW(3)
+                    #endif
+                #endif
+            #endif
+
+            return 1.0;
+        }
+    #endif
+#else
+    #define NUM_PSSM_SPLITS 0
+    
+    const int pssmSliceOffset = 0;
+
+    void Shadow_ProcessProjCoord(vec3 worldPos) {
+    }
+
+    void Shadow_ProcessPssmSlice() {
+    }
+
+    float Shadow_Process(int lightIndex, float lightType, float shadowMapIndex, 
+                             vec3 lightVec, vec3 lightDir, 
+                             vec3 worldPos, float invRadius) {
+        return 1.0;
+    }
+#endif

jme3-core/src/main/resources/Common/ShaderLib/Lighting.glsllib

@@ -7,7 +7,7 @@
 * Outputs the light direction and the light half vector. 
 */
 void lightComputeDir(in vec3 worldPos, in float lightType, in vec4 position, out vec4 lightDir, out vec3 lightVec){
-    float posLight = step(0.5, lightType);    
+    float posLight = step(0.2, lightType);    
     vec3 tempVec = position.xyz * sign(posLight - 0.5) - (worldPos * posLight);
     lightVec = tempVec;          
     float dist = length(tempVec);
@@ -23,9 +23,9 @@ void lightComputeDir(in vec3 worldPos, in float lightType, in vec4 position, out
 /*
 * Computes the spot falloff for a spotlight
 */
-float computeSpotFalloff(in vec4 lightDirection, in vec3 lightVector){
-    vec3 L=normalize(lightVector);
-    vec3 spotdir = normalize(lightDirection.xyz);
+float computeSpotFalloff(in vec4 lightDirection, in vec3 lightVector) {
+    vec3 L = lightVector;
+    vec3 spotdir = lightDirection.xyz;
     float curAngleCos = dot(-L, spotdir);    
     float innerAngleCos = floor(lightDirection.w) * 0.001;
     float outerAngleCos = fract(lightDirection.w);

jme3-core/src/plugins/java/com/jme3/material/plugins/J3MLoader.java

@@ -39,7 +39,6 @@ import com.jme3.material.RenderState.BlendMode;
 import com.jme3.material.RenderState.FaceCullMode;
 import com.jme3.material.TechniqueDef.LightMode;
 import com.jme3.material.TechniqueDef.ShadowMode;
-import com.jme3.material.logic.StaticPassLightingLogic;
 import com.jme3.math.ColorRGBA;
 import com.jme3.math.Vector2f;
 import com.jme3.math.Vector3f;
@@ -645,9 +644,6 @@ public class J3MLoader implements AssetLoader {
             case SinglePass:
                 technique.setLogic(new SinglePassLightingLogic(technique));
                 break;
-            case StaticPass:
-                technique.setLogic(new StaticPassLightingLogic(technique));
-                break;
             case SinglePassAndImageBased:
                 technique.setLogic(new SinglePassAndImageBasedLightingLogic(technique));
                 break;

jme3-core/src/test/java/com/jme3/material/MaterialMatParamTest.java

@@ -430,7 +430,6 @@ public class MaterialMatParamTest {
 
     private final Geometry geometry = new Geometry("Geometry", new Box(1, 1, 1));
     private final Node root = new Node("Root Node");
-    private final LightList lightList = new LightList(geometry);
 
     @Before
     public void setUp() {
@@ -526,7 +525,7 @@ public class MaterialMatParamTest {
     private void evaluateTechniqueDef() {
         Assert.assertFalse(evaluated);
         Material mat = geometry.getMaterial();
-        mat.render(geometry, lightList, renderManager);
+        mat.render(geometry, renderManager);
         Assert.assertTrue(evaluated);
     }
 

jme3-examples/src/main/java/jme3test/light/TestInPassShadows.java

@@ -0,0 +1,206 @@
+/*
+ * Copyright (c) 2009-2018 jMonkeyEngine
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met:
+ *
+ * * Redistributions of source code must retain the above copyright
+ *   notice, this list of conditions and the following disclaimer.
+ *
+ * * Redistributions in binary form must reproduce the above copyright
+ *   notice, this list of conditions and the following disclaimer in the
+ *   documentation and/or other materials provided with the distribution.
+ *
+ * * Neither the name of 'jMonkeyEngine' nor the names of its contributors
+ *   may be used to endorse or promote products derived from this software
+ *   without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
+ * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
+ * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+ * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+ * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
+ * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
+ * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
+ * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+ * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+package jme3test.light;
+
+import com.jme3.app.SimpleApplication;
+import com.jme3.input.KeyInput;
+import com.jme3.input.controls.ActionListener;
+import com.jme3.input.controls.AnalogListener;
+import com.jme3.input.controls.KeyTrigger;
+import com.jme3.light.AmbientLight;
+import com.jme3.light.DirectionalLight;
+import com.jme3.light.PointLight;
+import com.jme3.light.SpotLight;
+import com.jme3.material.Material;
+import com.jme3.material.TechniqueDef.LightMode;
+import com.jme3.math.ColorRGBA;
+import com.jme3.math.FastMath;
+import com.jme3.math.Quaternion;
+import com.jme3.math.Vector3f;
+import com.jme3.post.FilterPostProcessor;
+import com.jme3.post.filters.ToneMapFilter;
+import com.jme3.renderer.queue.RenderQueue.ShadowMode;
+import com.jme3.scene.Geometry;
+import com.jme3.scene.shape.Box;
+import com.jme3.scene.shape.Quad;
+import com.jme3.shadow.next.InPassShadowRenderer;
+import com.jme3.system.AppSettings;
+
+public class TestInPassShadows extends SimpleApplication {
+
+    private DirectionalLight dl;
+    private SpotLight sl;
+    private PointLight pl;
+    private InPassShadowRenderer ipsr;
+    private ToneMapFilter tmf;
+    
+    public static void main(String[] args) {
+        TestInPassShadows app = new TestInPassShadows();
+        AppSettings settings = new AppSettings(true);
+        settings.setGammaCorrection(true);
+        app.setSettings(settings);
+        app.start();
+    }
+
+    @Override
+    public void simpleInitApp() {
+        renderManager.setPreferredLightMode(LightMode.SinglePassAndImageBased);
+        renderManager.setSinglePassLightBatchSize(3);
+
+        cam.setLocation(new Vector3f(8.079489f, 10.792628f, -6.714233f));
+        cam.setRotation(new Quaternion(0.38442945f, -0.35025623f, 0.16050051f, 0.8389125f));
+        flyCam.setMoveSpeed(5);
+        
+        tmf = new ToneMapFilter(new Vector3f(50, 50, 50));
+        FilterPostProcessor fpp = new FilterPostProcessor(assetManager);
+        fpp.addFilter(tmf);
+        viewPort.addProcessor(fpp);
+
+        loadLights();
+        loadScene();
+        loadInputs();
+    }
+
+    private void loadLights() {
+        AmbientLight al = new AmbientLight(new ColorRGBA(0.2f, 0.2f, 0.3f, 1.0f).mult(2f));
+        rootNode.addLight(al);
+
+        dl = new DirectionalLight();
+        dl.setDirection(new Vector3f(-1, -0.5f, -1).normalizeLocal());
+        dl.setColor(new ColorRGBA(1, 0.9f, 0.8f, 1).mult(2.5f));
+        rootNode.addLight(dl);
+
+        sl = new SpotLight();
+        sl.setSpotRange(15);
+        sl.setSpotInnerAngle(20 * FastMath.DEG_TO_RAD);
+        sl.setSpotOuterAngle(25 * FastMath.DEG_TO_RAD);
+        sl.setPosition(new Vector3f(-5.2193f, -0.5851393f, 4.831882f));
+        sl.setDirection(new Vector3f(0.8429418f, -0.42458484f, -0.33041906f));
+        sl.setColor(new ColorRGBA(0.5f, 0.7f, 1.0f, 1.0f).mult(50));
+        rootNode.addLight(sl);
+
+        pl = new PointLight(
+                new Vector3f(-0.10135013f, 1.9986207f, -2.0745828f),
+                new ColorRGBA(0.5f, 0.3f, 0.1f, 1f).mult(20),
+                30);
+        rootNode.addLight(pl);
+
+        ipsr = new InPassShadowRenderer();
+        ipsr.setTextureSize(512);
+        ipsr.setPolyOffset(5, 0);
+        ipsr.directional().setNumSplits(1);
+        ipsr.addLight(dl);
+        ipsr.addLight(sl);
+        ipsr.addLight(pl);
+        viewPort.addProcessor(ipsr);
+    }
+
+    private void loadScene() {
+        Geometry box = new Geometry("Box", new Box(1, 1, 1));
+        box.setShadowMode(ShadowMode.CastAndReceive);
+        Material boxMat = new Material(assetManager, "Common/MatDefs/Light/PBRLighting.j3md");
+        boxMat.setFloat("Roughness", 0.5f);
+        boxMat.setFloat("Metallic", 0f);
+        box.setMaterial(boxMat);
+        rootNode.attachChild(box);
+        
+        Geometry box2 = box.clone(true);
+        box2.move(3, 0, 0);
+        rootNode.attachChild(box2);
+        
+        Geometry box3 = box.clone(true);
+        box3.move(-3, 0, 0);
+        rootNode.attachChild(box3);
+        
+        Geometry floor = new Geometry("floor", new Quad(100, 100));
+        floor.rotate(-FastMath.HALF_PI, 0, 0);
+        floor.center();
+        floor.move(0, -1, 0);
+        floor.setShadowMode(ShadowMode.Receive);
+        Material floorMat = new Material(assetManager, "Common/MatDefs/Light/PBRLighting.j3md");
+        floorMat.setFloat("Roughness", 0.5f);
+        floorMat.setFloat("Metallic", 0f);
+        floor.setMaterial(floorMat);
+        rootNode.attachChild(floor);
+    }
+
+    private boolean moveLight = false;
+
+    private void loadInputs() {
+        inputManager.addMapping("MoveLight", new KeyTrigger(KeyInput.KEY_SPACE));
+        inputManager.addListener(new ActionListener() {
+            @Override
+            public void onAction(String name, boolean isPressed, float tpf) {
+                moveLight = isPressed;
+            }
+        }, "MoveLight");
+        
+        inputManager.addMapping("OffsetFactorUp", new KeyTrigger(KeyInput.KEY_U));
+        inputManager.addMapping("OffsetFactorDown", new KeyTrigger(KeyInput.KEY_J));
+        inputManager.addMapping("OffsetUnitsUp", new KeyTrigger(KeyInput.KEY_I));
+        inputManager.addMapping("OffsetUnitsDown", new KeyTrigger(KeyInput.KEY_K));
+        inputManager.addListener(new AnalogListener() {
+            private float factor, units;
+            @Override
+            public void onAnalog(String name, float value, float tpf) {
+                switch (name) {
+                    case "OffsetFactorUp":
+                        factor += tpf * 5f;
+                        break;
+                    case "OffsetFactorDown":
+                        factor -= tpf * 5f;
+                        break;
+                    case "OffsetUnitsUp":
+                        units += tpf * 50f;
+                        break;
+                    case "OffsetUnitsDown":
+                        units -= tpf * 50f;
+                        break;
+                }
+                ipsr.setPolyOffset(factor, units);
+                System.out.println("PolyOffset(" + factor + ", " + units + ")");
+            }
+            
+        }, "OffsetFactorUp", "OffsetFactorDown", "OffsetUnitsUp", "OffsetUnitsDown");
+    }
+
+    @Override
+    public void simpleUpdate(float tpf) {
+        if (moveLight) {
+            sl.setPosition(cam.getLocation());
+            sl.setDirection(cam.getDirection());
+            System.out.println(sl.getPosition());
+            System.out.println(sl.getDirection());
+        }
+    }
+
+}

jme3-niftygui/src/main/java/com/jme3/niftygui/JmeBatchRenderBackend.java

@@ -453,7 +453,7 @@ public class JmeBatchRenderBackend implements BatchRenderBackend {
 
     private final Mesh mesh = new Mesh();
     private final Geometry meshGeometry = new Geometry("nifty-quad", mesh);
-    private final RenderState renderState = new RenderState();
+    private final RenderState renderState = RenderState.ADDITIONAL.clone();
 
     private FloatBuffer vertexPosBuffer;
     private FloatBuffer vertexTexCoordBuffer;

jme3-niftygui/src/main/java/com/jme3/niftygui/RenderDeviceJme.java

@@ -73,7 +73,7 @@ public class RenderDeviceJme implements RenderDevice {
     private VertexBuffer quadColor;
     private Matrix4f tempMat = new Matrix4f();
     private ColorRGBA tempColor = new ColorRGBA();
-    private RenderState renderState = new RenderState();
+    private RenderState renderState = RenderState.ADDITIONAL.clone();
     
     private Material colorMaterial;
     private Material textureColorMaterial;

jme3-vr/src/main/java/com/jme3/shadow/DirectionalLightShadowRendererVR.java

@@ -145,7 +145,7 @@ public class DirectionalLightShadowRendererVR extends AbstractShadowRendererVR {
 
         //We prevent computing the frustum points and splits with zeroed or negative near clip value
         float frustumNear = Math.max(viewCam.getFrustumNear(), 0.001f);
-        ShadowUtil.updateFrustumPoints(viewCam, frustumNear, zFar, 1.0f, points);
+        ShadowUtil.updateFrustumPoints(viewCam, frustumNear, zFar, points);
 
         //shadowCam.setDirection(direction);
         shadowCam.getRotation().lookAt(light.getDirection(), shadowCam.getUp());
@@ -180,7 +180,7 @@ public class DirectionalLightShadowRendererVR extends AbstractShadowRendererVR {
     protected GeometryList getOccludersToRender(int shadowMapIndex, GeometryList shadowMapOccluders) {
 
         // update frustum points based on current camera and split
-        ShadowUtil.updateFrustumPoints(viewPort.getCamera(), splitsArray[shadowMapIndex], splitsArray[shadowMapIndex + 1], 1.0f, points);
+        ShadowUtil.updateFrustumPoints(viewPort.getCamera(), splitsArray[shadowMapIndex], splitsArray[shadowMapIndex + 1], points);
 
         //Updating shadow cam with current split frusta
         if (lightReceivers.size()==0) {