Added Geometry and Tessellation Shader Tests

gradle.properties

@@ -6,10 +6,10 @@ jmeMainVersion = 3.1
 jmeVersionTag = snapshot-github
 
 # specify if JavaDoc should be built
-buildJavaDoc = true
+buildJavaDoc = false
 
 # specify if SDK and Native libraries get built
-buildSdkProject = true
+buildSdkProject = false
 buildNativeProjects = false
 
 # Path to android NDK for building native libraries

jme3-examples/src/main/java/jme3test/material/TestGeometryShader.java

@@ -3,7 +3,6 @@ package jme3test.material;
 import com.jme3.app.SimpleApplication;
 import com.jme3.bounding.BoundingBox;
 import com.jme3.material.Material;
-import com.jme3.material.RenderState;
 import com.jme3.math.Vector3f;
 import com.jme3.scene.Geometry;
 import com.jme3.scene.Mesh;
@@ -27,7 +26,7 @@ public class TestGeometryShader extends SimpleApplication {
         geometry.updateGeometricState();
         geometry.setMaterial(new Material(assetManager, "Materials/Geom/SimpleGeom.j3md"));
         //geometry.getMaterial().getAdditionalRenderState().setFaceCullMode(RenderState.FaceCullMode.Off);
-        //geometry.setMaterial(assetManager.loadMaterial("Materials/Geom/SimpleGeom.j3md"));
+        //geometry.setMaterial(assetManager.loadMaterial("Materials/Geom/SimpleTess.j3md"));
         rootNode.attachChild(geometry);
 
         Geometry geometry1 = new Geometry("T1", new Sphere(10, 10, 1));

jme3-examples/src/main/java/jme3test/material/TestTesselation.java

@@ -1,73 +0,0 @@
-package jme3test.material;
-
-import com.jme3.app.SimpleApplication;
-import com.jme3.light.DirectionalLight;
-import com.jme3.material.Material;
-import com.jme3.math.*;
-import com.jme3.scene.Geometry;
-import com.jme3.scene.Node;
-import com.jme3.scene.shape.Quad;
-import com.jme3.texture.Texture;
-import com.jme3.util.SkyFactory;
-import com.jme3.util.TangentBinormalGenerator;
-
-
-/**
- * Created by michael on 23.02.15.
- */
-public class TestTesselation extends SimpleApplication {
-    private Vector3f lightDir = new Vector3f(-1, -1, .5f).normalizeLocal();
-    DirectionalLight dl;
-
-    public void setupSkyBox() {
-        rootNode.attachChild(SkyFactory.createSky(assetManager, "Scenes/Beach/FullskiesSunset0068.dds", false));
-    }
-
-
-    public void setupLighting() {
-
-        dl = new DirectionalLight();
-        dl.setDirection(lightDir);
-        dl.setColor(new ColorRGBA(.9f, .9f, .9f, 1));
-        rootNode.addLight(dl);
-    }
-
-    void setupParallax() {
-        Material mat;
-        mat = assetManager.loadMaterial("Textures/Terrain/BrickWall/BrickWall2.j3m");
-        mat.getTextureParam("DiffuseMap").getTextureValue().setWrap(Texture.WrapMode.Repeat);
-        mat.getTextureParam("NormalMap").getTextureValue().setWrap(Texture.WrapMode.Repeat);
-
-        // Node floorGeom = (Node) assetManager.loadAsset("Models/WaterTest/WaterTest.mesh.xml");
-        //Geometry g = ((Geometry) floorGeom.getChild(0));
-        //g.getMesh().scaleTextureCoordinates(new Vector2f(10, 10));
-
-        Node floorGeom = new Node("floorGeom");
-        Quad q = new Quad(100, 100);
-        q.scaleTextureCoordinates(new Vector2f(1, 1));
-        Geometry g = new Geometry("geom", q);
-        g.setLocalRotation(new Quaternion().fromAngleAxis(-FastMath.HALF_PI, Vector3f.UNIT_X));
-        floorGeom.attachChild(g);
-
-
-        TangentBinormalGenerator.generate(floorGeom);
-        floorGeom.setLocalTranslation(-50, 22, 60);
-        //floorGeom.setLocalScale(100);
-
-        floorGeom.setMaterial(mat);
-        rootNode.attachChild(floorGeom);
-    }
-
-    @Override
-    public void simpleInitApp() {
-        setupLighting();
-        setupParallax();
-        cam.setLocation(new Vector3f(-15.445636f, 30.162927f, 60.252777f));
-        cam.setRotation(new Quaternion(0.05173137f, 0.92363626f, -0.13454558f, 0.35513034f));
-    }
-
-    public static void main(String[] args){
-        TestTesselation app = new TestTesselation();
-        app.start();
-    }
-}

jme3-examples/src/main/java/jme3test/material/TestTessellationShader.java

@@ -0,0 +1,37 @@
+package jme3test.material;
+
+import com.jme3.app.SimpleApplication;
+import com.jme3.material.Material;
+import com.jme3.scene.Geometry;
+import com.jme3.scene.Mesh;
+import com.jme3.scene.VertexBuffer;
+import com.jme3.scene.shape.Quad;
+import com.jme3.util.BufferUtils;
+
+/**
+ * Created by michael on 28.02.15.
+ */
+public class TestTessellationShader extends SimpleApplication {
+    @Override
+    public void simpleInitApp() {
+        Material material = new Material(getAssetManager(), "Materials/Tess/SimpleTess.j3md");
+        material.setInt("TessellationFactor", 5);
+        material.getAdditionalRenderState().setWireframe(true);
+        Quad quad = new Quad(10, 10);
+        quad.clearBuffer(VertexBuffer.Type.Index);
+        quad.setBuffer(VertexBuffer.Type.Index, 4, BufferUtils.createIntBuffer(0, 1, 2, 3));
+        quad.setMode(Mesh.Mode.Patch);
+        quad.setPatchVertexCount(4);
+        Geometry geometry = new Geometry("tessTest", quad);
+        geometry.setMaterial(material);
+        rootNode.attachChild(geometry);
+
+        Geometry geometry1 = new Geometry("Demo", new Quad(2, 2));
+        geometry1.setMaterial(new Material(getAssetManager(),"Common/MatDefs/Misc/Unshaded.j3md"));
+        rootNode.attachChild(geometry1);
+    }
+
+    public static void main(String[] args) {
+        new TestTessellationShader().start();
+    }
+}

jme3-testdata/src/main/resources/Materials/Tess/SimpleTess.frag

@@ -0,0 +1,3 @@
+void main(){
+ gl_FragColor=vec4(1.0,0.0,1.0,0.5);
+}

jme3-testdata/src/main/resources/Materials/Tess/SimpleTess.j3m

@@ -0,0 +1,4 @@
+Material Pong Rock : Materials/Tess/SimpleTess.j3md {
+     MaterialParameters {
+     }
+}

jme3-testdata/src/main/resources/Materials/Tess/SimpleTess.j3md

@@ -0,0 +1,19 @@
+MaterialDef SimpleGeom {
+
+    MaterialParameters {
+        Texture2D NormalDisplacementMap
+        Int TessellationFactor
+    }
+
+     Technique {
+        VertexShader GLSL400:   Materials/Tess/SimpleTess.vert
+        TessellationEvaluationShader GLSL400:   Materials/Tess/SimpleTess.tseval
+        TessellationControlShader GLSL400:   Materials/Tess/SimpleTess.tsctrl
+        FragmentShader GLSL400: Materials/Tess/SimpleTess.frag
+
+        WorldParameters {
+            WorldViewProjectionMatrix
+        }
+    }
+
+}

jme3-testdata/src/main/resources/Materials/Tess/SimpleTess.tsctrl

@@ -0,0 +1,13 @@
+layout (quads,equal_spacing,cw) in;
+
+uniform mat4 g_WorldViewProjectionMatrix;
+
+void main(){
+        vec3 p0 = mix(gl_in[0].gl_Position.xyz, gl_in[3].gl_Position.xyz, gl_TessCoord.x);
+        // interpolate in horizontal direction between vert. 1 and 2
+        vec3 p1 = mix(gl_in[1].gl_Position.xyz, gl_in[2].gl_Position.xyz, gl_TessCoord.x);
+        // interpolate in vert direction
+        vec3 tePosition = mix(p0, p1, gl_TessCoord.y);
+        gl_Position = g_WorldViewProjectionMatrix * vec4(tePosition, 1);
+}
+

jme3-testdata/src/main/resources/Materials/Tess/SimpleTess.tseval

@@ -0,0 +1,17 @@
+layout(vertices=4) out;
+out gl_PerVertex{
+  vec4 gl_Position;
+}gl_out[];
+uniform int mTessellationFactor;
+void main(){
+    if (gl_InvocationID == 0){
+        gl_TessLevelOuter[0]=5;
+        gl_TessLevelOuter[1]=5;
+        gl_TessLevelOuter[2]=5;
+        gl_TessLevelOuter[3]=5;
+
+        gl_TessLevelInner[0]=5;
+        gl_TessLevelInner[1]=5;
+    }
+    gl_out[gl_InvocationID].gl_Position = gl_in[gl_InvocationID].gl_Position;
+}

jme3-testdata/src/main/resources/Materials/Tess/SimpleTess.vert

@@ -0,0 +1,5 @@
+attribute vec3 inPosition;
+
+void main(){
+ gl_Position=vec4(inPosition,1);
+}