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/*
* Copyright (c) 2009-2016 jMonkeyEngine
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
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package com.jme3.material;
import com.jme3.asset.AssetManager;
import com.jme3.light.LightList;
import com.jme3.math.Matrix4f;
import com.jme3.renderer.RenderManager;
import com.jme3.scene.Geometry;
import com.jme3.scene.shape.Box;
import com.jme3.shader.Shader;
import com.jme3.shader.Uniform;
import com.jme3.shader.VarType;
import java.util.Arrays;
import java.util.HashSet;
import org.junit.Assert;
import org.junit.Test;
import static com.jme3.scene.MPOTestUtils.*;
import com.jme3.scene.Node;
import com.jme3.shader.DefineList;
import com.jme3.system.NullRenderer;
import com.jme3.system.TestUtil;
import com.jme3.texture.Image.Format;
import com.jme3.texture.Texture;
import com.jme3.texture.Texture2D;
import java.util.ArrayList;
import static org.junit.Assert.assertEquals;
import org.junit.Before;
/**
* Validates {@link MatParam}s.
*
* @author Kirill Vainer
*/
public class MaterialMatParamTest {
private static final HashSet IGNORED_UNIFORMS = new HashSet(
Arrays.asList(new String[]{"m_ParallaxHeight", "m_Shininess", "m_BackfaceShadows"}));
@Test
public void testBoolMpoOnly() {
material("Common/MatDefs/Light/Lighting.j3md");
inputMpo(mpoBool("UseMaterialColors", true));
outDefines(def("MATERIAL_COLORS", VarType.Boolean, true));
outUniforms(uniform("UseMaterialColors", VarType.Boolean, true));
}
@Test
public void testBoolMpOnly() {
material("Common/MatDefs/Light/Lighting.j3md");
inputMp(mpoBool("UseMaterialColors", true));
outDefines(def("MATERIAL_COLORS", VarType.Boolean, true));
outUniforms(uniform("UseMaterialColors", VarType.Boolean, true));
}
@Test
public void testBoolMpFalse() {
material("Common/MatDefs/Light/Lighting.j3md");
inputMp(mpoBool("UseMaterialColors", false));
outDefines(def("MATERIAL_COLORS", VarType.Boolean, false));
outUniforms(uniform("UseMaterialColors", VarType.Boolean, false));
}
@Test
public void testBoolOverrideFalse() {
material("Common/MatDefs/Light/Lighting.j3md");
inputMp(mpoBool("UseMaterialColors", true));
inputMpo(mpoBool("UseMaterialColors", false));
outDefines();
outUniforms(uniform("UseMaterialColors", VarType.Boolean, false));
}
@Test
public void testBoolOverrideTrue() {
material("Common/MatDefs/Light/Lighting.j3md");
inputMp(mpoBool("UseMaterialColors", false));
inputMpo(mpoBool("UseMaterialColors", true));
outDefines(def("MATERIAL_COLORS", VarType.Boolean, true));
outUniforms(uniform("UseMaterialColors", VarType.Boolean, true));
}
@Test
public void testFloatMpoOnly() {
material("Common/MatDefs/Light/Lighting.j3md");
inputMpo(mpoFloat("AlphaDiscardThreshold", 3.12f));
outDefines(def("DISCARD_ALPHA", VarType.Float, 3.12f));
outUniforms(uniform("AlphaDiscardThreshold", VarType.Float, 3.12f));
}
@Test
public void testFloatMpOnly() {
material("Common/MatDefs/Light/Lighting.j3md");
inputMp(mpoFloat("AlphaDiscardThreshold", 3.12f));
outDefines(def("DISCARD_ALPHA", VarType.Float, 3.12f));
outUniforms(uniform("AlphaDiscardThreshold", VarType.Float, 3.12f));
}
@Test
public void testFloatMpZero() {
material("Common/MatDefs/Light/Lighting.j3md");
inputMp(mpoFloat("AlphaDiscardThreshold", 0.0f));
outDefines(def("DISCARD_ALPHA", VarType.Float, 0.0f));
outUniforms(uniform("AlphaDiscardThreshold", VarType.Float, 0.0f));
}
@Test
public void testFloatOverride() {
material("Common/MatDefs/Light/Lighting.j3md");
inputMp(mpoFloat("AlphaDiscardThreshold", 3.12f));
inputMpo(mpoFloat("AlphaDiscardThreshold", 2.79f));
outDefines(def("DISCARD_ALPHA", VarType.Float, 2.79f));
outUniforms(uniform("AlphaDiscardThreshold", VarType.Float, 2.79f));
}
@Test
public void testForcedOverride() {
material("Common/MatDefs/Light/Lighting.j3md");
inputMp(mpoFloat("AlphaDiscardThreshold", 3.12f));
inputMpo(mpoFloat("AlphaDiscardThreshold", 2.79f));
inputFpo(mpoFloat("AlphaDiscardThreshold", 1.23f));
outDefines(def("DISCARD_ALPHA", VarType.Float, 1.23f));
outUniforms(uniform("AlphaDiscardThreshold", VarType.Float, 1.23f));
reset();
root.clearMatParamOverrides();
root.updateGeometricState();
outDefines(def("DISCARD_ALPHA", VarType.Float, 2.79f));
outUniforms(uniform("AlphaDiscardThreshold", VarType.Float, 2.79f));
}
@Test
public void testChildOverridesParent() {
material("Common/MatDefs/Light/Lighting.j3md");
inputParentMpo(mpoFloat("AlphaDiscardThreshold", 3.12f));
inputMpo(mpoFloat("AlphaDiscardThreshold", 2.79f));
outUniforms(uniform("AlphaDiscardThreshold", VarType.Float, 2.79f));
outDefines(def("DISCARD_ALPHA", VarType.Float, 2.79f));
}
@Test
public void testMpoDisable() {
material("Common/MatDefs/Light/Lighting.j3md");
inputMp(mpoFloat("AlphaDiscardThreshold", 3.12f));
MatParamOverride override = mpoFloat("AlphaDiscardThreshold", 2.79f);
inputMpo(override);
outDefines(def("DISCARD_ALPHA", VarType.Float, 2.79f));
outUniforms(uniform("AlphaDiscardThreshold", VarType.Float, 2.79f));
reset();
override.setEnabled(false);
outDefines(def("DISCARD_ALPHA", VarType.Float, 3.12f));
outUniforms(uniform("AlphaDiscardThreshold", VarType.Float, 3.12f));
reset();
override.setEnabled(true);
outDefines(def("DISCARD_ALPHA", VarType.Float, 2.79f));
outUniforms(uniform("AlphaDiscardThreshold", VarType.Float, 2.79f));
}
@Test
public void testIntMpoOnly() {
material("Common/MatDefs/Light/Lighting.j3md");
inputMpo(mpoInt("NumberOfBones", 1234));
outDefines(def("NUM_BONES", VarType.Int, 1234));
outUniforms(uniform("NumberOfBones", VarType.Int, 1234));
}
@Test
public void testIntMpOnly() {
material("Common/MatDefs/Light/Lighting.j3md");
inputMp(mpoInt("NumberOfBones", 1234));
outDefines(def("NUM_BONES", VarType.Int, 1234));
outUniforms(uniform("NumberOfBones", VarType.Int, 1234));
}
@Test
public void testIntMpZero() {
material("Common/MatDefs/Light/Lighting.j3md");
inputMp(mpoInt("NumberOfBones", 0));
outDefines(def("NUM_BONES", VarType.Int, 0));
outUniforms(uniform("NumberOfBones", VarType.Int, 0));
}
@Test
public void testIntOverride() {
material("Common/MatDefs/Light/Lighting.j3md");
inputMp(mpoInt("NumberOfBones", 1234));
inputMpo(mpoInt("NumberOfBones", 4321));
outDefines(def("NUM_BONES", VarType.Int, 4321));
outUniforms(uniform("NumberOfBones", VarType.Int, 4321));
}
@Test
public void testMatrixArray() {
Matrix4f[] matrices = new Matrix4f[]{
new Matrix4f()
};
material("Common/MatDefs/Light/Lighting.j3md");
inputMpo(mpoMatrix4Array("BoneMatrices", matrices));
outDefines();
outUniforms(uniform("BoneMatrices", VarType.Matrix4Array, matrices));
}
@Test
public void testNonExistentParameter() {
material("Common/MatDefs/Light/Lighting.j3md");
inputMpo(mpoInt("NonExistent", 4321));
outDefines();
outUniforms();
}
@Test
public void testWrongType() {
material("Common/MatDefs/Light/Lighting.j3md");
inputMpo(mpoInt("UseMaterialColors", 4321));
outDefines();
outUniforms();
}
@Test
public void testParamOnly() {
material("Common/MatDefs/Light/Lighting.j3md");
inputMpo(mpoFloat("ShadowMapSize", 3.12f));
outDefines();
outUniforms(uniform("ShadowMapSize", VarType.Float, 3.12f));
}
@Test
public void testRemove() {
material("Common/MatDefs/Light/Lighting.j3md");
reset();
inputMp(mpoInt("NumberOfBones", 1234));
outDefines(def("NUM_BONES", VarType.Int, 1234));
outUniforms(uniform("NumberOfBones", VarType.Int, 1234));
reset();
inputMpo(mpoInt("NumberOfBones", 4321));
outDefines(def("NUM_BONES", VarType.Int, 4321));
outUniforms(uniform("NumberOfBones", VarType.Int, 4321));
reset();
geometry.clearMatParamOverrides();
root.updateGeometricState();
outDefines(def("NUM_BONES", VarType.Int, 1234));
outUniforms(uniform("NumberOfBones", VarType.Int, 1234));
reset();
geometry.getMaterial().clearParam("NumberOfBones");
outDefines();
outUniforms();
reset();
inputMpo(mpoInt("NumberOfBones", 4321));
outDefines(def("NUM_BONES", VarType.Int, 4321));
outUniforms(uniform("NumberOfBones", VarType.Int, 4321));
reset();
inputMp(mpoInt("NumberOfBones", 1234));
outDefines(def("NUM_BONES", VarType.Int, 4321));
outUniforms(uniform("NumberOfBones", VarType.Int, 4321));
}
public void testRemoveOverride() {
material("Common/MatDefs/Light/Lighting.j3md");
reset();
inputMp(mpoInt("NumberOfBones", 1234));
outDefines(def("NUM_BONES", VarType.Int, 1234));
outUniforms(uniform("NumberOfBones", VarType.Int, 1234));
reset();
inputMpo(mpoInt("NumberOfBones", 4321));
outDefines(def("NUM_BONES", VarType.Int, 4321));
outUniforms(uniform("NumberOfBones", VarType.Int, 4321));
reset();
geometry.clearMatParamOverrides();
outDefines(def("NUM_BONES", VarType.Int, 1234));
outUniforms(uniform("NumberOfBones", VarType.Int, 1234));
}
@Test
public void testRemoveMpoOnly() {
material("Common/MatDefs/Light/Lighting.j3md");
reset();
inputMpo(mpoInt("NumberOfBones", 4321));
outDefines(def("NUM_BONES", VarType.Int, 4321));
outUniforms(uniform("NumberOfBones", VarType.Int, 4321));
reset();
geometry.clearMatParamOverrides();
root.updateGeometricState();
outDefines();
outUniforms();
}
@Test
public void testTextureMpoOnly() {
material("Common/MatDefs/Light/Lighting.j3md");
Texture2D tex = new Texture2D(128, 128, Format.RGBA8);
inputMpo(mpoTexture2D("DiffuseMap", tex));
outDefines(def("DIFFUSEMAP", VarType.Texture2D, tex));
outUniforms(uniform("DiffuseMap", VarType.Int, 0));
outTextures(tex);
}
@Test
public void testTextureOverride() {
material("Common/MatDefs/Light/Lighting.j3md");
Texture2D tex1 = new Texture2D(128, 128, Format.RGBA8);
Texture2D tex2 = new Texture2D(128, 128, Format.RGBA8);
inputMp(mpoTexture2D("DiffuseMap", tex1));
inputMpo(mpoTexture2D("DiffuseMap", tex2));
outDefines(def("DIFFUSEMAP", VarType.Texture2D, tex2));
outUniforms(uniform("DiffuseMap", VarType.Int, 0));
outTextures(tex2);
}
@Test
public void testRemoveTexture() {
material("Common/MatDefs/Light/Lighting.j3md");
Texture2D tex = new Texture2D(128, 128, Format.RGBA8);
reset();
inputMpo(mpoTexture2D("DiffuseMap", tex));
outDefines(def("DIFFUSEMAP", VarType.Texture2D, tex));
outUniforms(uniform("DiffuseMap", VarType.Int, 0));
outTextures(tex);
reset();
geometry.clearMatParamOverrides();
root.updateGeometricState();
outDefines();
outUniforms();
outTextures();
}
@Test
public void testRemoveTextureOverride() {
material("Common/MatDefs/Light/Lighting.j3md");
Texture2D tex1 = new Texture2D(128, 128, Format.RGBA8);
Texture2D tex2 = new Texture2D(128, 128, Format.RGBA8);
reset();
inputMp(mpoTexture2D("DiffuseMap", tex1));
outDefines(def("DIFFUSEMAP", VarType.Texture2D, tex1));
outUniforms(uniform("DiffuseMap", VarType.Int, 0));
outTextures(tex1);
reset();
inputMpo(mpoTexture2D("DiffuseMap", tex2));
outDefines(def("DIFFUSEMAP", VarType.Texture2D, tex2));
outUniforms(uniform("DiffuseMap", VarType.Int, 0));
outTextures(tex2);
reset();
geometry.clearMatParamOverrides();
root.updateGeometricState();
outDefines(def("DIFFUSEMAP", VarType.Texture2D, tex1));
outUniforms(uniform("DiffuseMap", VarType.Int, 0));
outTextures(tex1);
}
private static class Define {
public String name;
public VarType type;
public Object value;
@Override
public String toString() {
switch (type) {
case Boolean:
if ((Boolean)value) {
return "#define " + name + " 1\n";
} else {
return "";
}
case Int:
case Float:
return "#define " + name + " " + value + "\n";
default:
if (value != null) {
return "#define " + name + " 1\n";
} else {
return "";
}
}
}
}
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() {
root.attachChild(geometry);
}
private final NullRenderer renderer = new NullRenderer() {
@Override
public void setShader(Shader shader) {
MaterialMatParamTest.this.usedShader = shader;
evaluated = true;
}
@Override
public void setTexture(int unit, Texture texture) {
MaterialMatParamTest.this.usedTextures[unit] = texture;
}
};
private final RenderManager renderManager = new RenderManager(renderer);
private boolean evaluated = false;
private Shader usedShader = null;
private final Texture[] usedTextures = new Texture[32];
private void inputMp(MatParam... params) {
if (evaluated) {
throw new IllegalStateException();
}
Material mat = geometry.getMaterial();
for (MatParam param : params) {
mat.setParam(param.getName(), param.getVarType(), param.getValue());
}
}
private void inputMpo(MatParamOverride... overrides) {
if (evaluated) {
throw new IllegalStateException();
}
for (MatParamOverride override : overrides) {
geometry.addMatParamOverride(override);
}
root.updateGeometricState();
}
private void inputParentMpo(MatParamOverride... overrides) {
if (evaluated) {
throw new IllegalStateException();
}
for (MatParamOverride override : overrides) {
root.addMatParamOverride(override);
}
root.updateGeometricState();
}
private void inputFpo(MatParamOverride... overrides) {
if (evaluated) {
throw new IllegalStateException();
}
for (MatParamOverride override : overrides) {
renderManager.addForcedMatParam(override);
}
}
private void reset() {
evaluated = false;
usedShader = null;
Arrays.fill(usedTextures, null);
for (MatParamOverride override : new ArrayList<>(renderManager.getForcedMatParams())) {
renderManager.removeForcedMatParam(override);
}
}
private Define def(String name, VarType type, Object value) {
Define d = new Define();
d.name = name;
d.type = type;
d.value = value;
return d;
}
private Uniform uniform(String name, VarType type, Object value) {
Uniform u = new Uniform();
u.setName("m_" + name);
u.setValue(type, value);
return u;
}
private void material(String path) {
AssetManager assetManager = TestUtil.createAssetManager();
geometry.setMaterial(new Material(assetManager, path));
}
private void evaluateTechniqueDef() {
Assert.assertFalse(evaluated);
Material mat = geometry.getMaterial();
mat.render(geometry, lightList, renderManager);
Assert.assertTrue(evaluated);
}
private void outTextures(Texture... textures) {
for (int i = 0; i < usedTextures.length; i++) {
if (i < textures.length) {
Assert.assertSame(textures[i], usedTextures[i]);
} else {
Assert.assertNull(usedTextures[i]);
}
}
}
private void outDefines(Define... expectedDefinesArray) {
StringBuilder expectedDefineSource = new StringBuilder();
for (Define define : expectedDefinesArray) {
expectedDefineSource.append(define.toString());
}
if (!evaluated) {
evaluateTechniqueDef();
}
Material mat = geometry.getMaterial();
Technique tech = mat.getActiveTechnique();
TechniqueDef def = tech.getDef();
DefineList actualDefines = tech.getDynamicDefines();
String[] defineNames = def.getDefineNames();
VarType[] defineTypes = def.getDefineTypes();
String actualDefineSource = actualDefines.generateSource(Arrays.asList(defineNames), Arrays.asList(defineTypes));
assertEquals(expectedDefineSource.toString(), actualDefineSource);
}
private void outUniforms(Uniform... uniforms) {
if (!evaluated) {
evaluateTechniqueDef();
}
HashSet actualUniforms = new HashSet<>();
for (Uniform uniform : usedShader.getUniformMap().values()) {
if (uniform.getName().startsWith("m_")
&& !IGNORED_UNIFORMS.contains(uniform.getName())) {
actualUniforms.add(uniform);
}
}
HashSet expectedUniforms = new HashSet<>(Arrays.asList(uniforms));
if (!expectedUniforms.equals(actualUniforms)) {
Assert.fail("Uniform lists must match: " + expectedUniforms + " != " + actualUniforms);
}
}
}
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