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* Added GL interface generator tool

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experimental
shadowislord 11 years ago
parent 2ca99b83de
commit 0aeb807ffe
4 changed files with 393 additions and 60 deletions
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  1. 39
      gradle.properties
  2. 14
      jme3-gl-autogen/build.gradle
  3. 313
      jme3-gl-autogen/src/main/java/jme3tools/autogen/GLAutoGen.java
  4. 87
      settings.gradle

39
gradle.properties
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@ -1,19 +1,20 @@
# Version number used for plugins, only 3 numbers (e.g. 3.1.3)
jmeVersion = 3.0.10
# Version used for application and settings folder, no spaces!
jmeMainVersion = 3.1
# Version addition pre-alpha-svn, Stable, Beta
jmeVersionTag = pre-alpha-svn
# specify if SDK and Native libraries get built
buildSdkProject = true
buildNativeProjects = false
# Path to android NDK for building native libraries
#ndkPath=/Users/normenhansen/Documents/Code-Import/android-ndk-r7
ndkPath = D:/android/android-ndk-r8e
# Path for downloading native Bullet
bulletUrl = http://bullet.googlecode.com/files/bullet-2.82-r2704.zip
bulletFolder = bullet-2.82-r2704
bulletZipFile = bullet.zip
# Version number used for plugins, only 3 numbers (e.g. 3.1.3)
jmeVersion = 3.0.10
# Version used for application and settings folder, no spaces!
jmeMainVersion = 3.1
# Version addition pre-alpha-svn, Stable, Beta
jmeVersionTag = pre-alpha-svn
# specify if SDK and Native libraries get built
buildSdkProject = true
buildNativeProjects = false
buildAutogen = false
# Path to android NDK for building native libraries
#ndkPath=/Users/normenhansen/Documents/Code-Import/android-ndk-r7
ndkPath = D:/android/android-ndk-r8e
# Path for downloading native Bullet
bulletUrl = http://bullet.googlecode.com/files/bullet-2.82-r2704.zip
bulletFolder = bullet-2.82-r2704
bulletZipFile = bullet.zip

14
jme3-gl-autogen/build.gradle
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@ -0,0 +1,14 @@
//apply plugin:'application'
if (!hasProperty('mainClass')) {
ext.mainClass = 'com.jme3.util.GLAutoGen'
}
//mainClassName = ext.mainClass
dependencies {
compile project(':jme3-core')
compile project(':jme3-desktop')
compile project(':jme3-jogl')
compile project(':jme3-lwjgl')
}

313
jme3-gl-autogen/src/main/java/jme3tools/autogen/GLAutoGen.java
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@ -0,0 +1,313 @@
package jme3tools.autogen;
import java.io.BufferedReader;
import java.io.FileReader;
import java.io.IOException;
import java.lang.reflect.Field;
import java.lang.reflect.Method;
import java.lang.reflect.Modifier;
import java.util.ArrayList;
import java.util.Collection;
import java.util.HashMap;
import java.util.List;
import java.util.TreeSet;
import org.lwjgl.opengl.ARBDrawInstanced;
import org.lwjgl.opengl.ARBGeometryShader4;
import org.lwjgl.opengl.ARBInstancedArrays;
import org.lwjgl.opengl.ARBMultisample;
import org.lwjgl.opengl.ARBTextureMultisample;
import org.lwjgl.opengl.EXTFramebufferBlit;
import org.lwjgl.opengl.EXTFramebufferMultisample;
import org.lwjgl.opengl.EXTFramebufferObject;
import org.lwjgl.opengl.EXTTextureArray;
import org.lwjgl.opengl.EXTTextureFilterAnisotropic;
import org.lwjgl.opengl.GL11;
import org.lwjgl.opengl.GL12;
import org.lwjgl.opengl.GL13;
import org.lwjgl.opengl.GL14;
import org.lwjgl.opengl.GL15;
import org.lwjgl.opengl.GL20;
import org.lwjgl.opengl.GL21;
import org.lwjgl.opengl.GL30;
import org.lwjgl.opengl.NVHalfFloat;
public class GLAutoGen {
private static class ConstantInfo {
Class<?> declaringClazz;
String constantName;
Class<?> constantType;
Object constantValue;
public ConstantInfo(Class<?> declaringClazz, String constantName,
Class<?> constantType, Object constantValue) {
this.declaringClazz = declaringClazz;
this.constantName = constantName;
this.constantType = constantType;
this.constantValue = constantValue;
}
@Override
public String toString() {
return "ConstantInfo{"
+ "declaringClazz=" + declaringClazz
+ ", constantName=" + constantName
+ ", constantType=" + constantType
+ ", constantValue=" + constantValue
+ '}';
}
}
private static class MethodInfo {
Class<?> declaringClazz;
String methodName;
Class<?> returnType;
Class<?>[] paramTypes;
public MethodInfo(Class<?> declaringClazz, String methodName, Class<?> returnType, Class<?>[] paramTypes) {
this.declaringClazz = declaringClazz;
this.methodName = methodName;
this.returnType = returnType;
this.paramTypes = paramTypes;
}
@Override
public String toString() {
return "MethodInfo{" + "declaringClazz=" + declaringClazz + ", methodName=" + methodName + ", returnType=" + returnType + ", paramTypes=" + paramTypes + '}';
}
}
private static final HashMap<String, ConstantInfo> constantMap
= new HashMap<String, ConstantInfo>();
private static final HashMap<String, List<MethodInfo>> methodMap
= new HashMap<String, List<MethodInfo>>();
private static final TreeSet<String> usedConstants = new TreeSet<String>();
private static final TreeSet<String> usedMethods = new TreeSet<String>();
private static void scanConstantsFromType(Class<?> clazz) {
Field[] fields = clazz.getDeclaredFields();
for (Field field : fields) {
if ((field.getModifiers() & (Modifier.STATIC | Modifier.PUBLIC)) != 0) {
String name = field.getName();
Class<?> type = field.getType();
Object value = null;
if (constantMap.containsKey(name)) {
throw new UnsupportedOperationException(name + " constant redeclared");
}
if (type == int.class) {
try {
value = field.getInt(null);
} catch (Exception ex) {
ex.printStackTrace();
}
} else if (type == long.class) {
try {
value = field.getLong(null);
} catch (Exception ex) {
ex.printStackTrace();
}
}
if (value == null) {
throw new UnsupportedOperationException("Unsupported type: " + type);
}
constantMap.put(name, new ConstantInfo(clazz, name, type, value));
}
}
}
private static void scanMethodsFromType(Class<?> clazz) {
Method[] methods = clazz.getDeclaredMethods();
for (Method method : methods) {
if ((method.getModifiers() & (Modifier.STATIC | Modifier.PUBLIC)) != 0) {
String name = method.getName();
Class<?> type = method.getReturnType();
Class<?>[] paramTypes = method.getParameterTypes();
List<MethodInfo> overloads = methodMap.get(name);
if (overloads == null) {
overloads = new ArrayList<MethodInfo>();
methodMap.put(name, overloads);
}
MethodInfo info = new MethodInfo(clazz, name, type, paramTypes);
overloads.add(info);
}
}
}
private static void scanType(Class<?> clazz) {
scanConstantsFromType(clazz);
scanMethodsFromType(clazz);
}
private static Collection<String> scanConstants(String line) {
List<String> constants = new ArrayList<String>();
int next_gl = line.indexOf("GL_");
while (next_gl > 0) {
char chrBefore = line.charAt(next_gl - 1);
if (!Character.isWhitespace(chrBefore)
&& chrBefore != '.'
&& chrBefore != '!'
&& chrBefore != '(') {
// System.out.println(line + "\t\t\t\tPreceding character \"" + chrBefore + "\" not acceptable.");
} else {
for (int scan_idx = next_gl + 3; scan_idx < line.length(); scan_idx++) {
char chrCall = line.charAt(scan_idx);
if (Character.isLowerCase(chrCall)) {
// GL constants cannot have lowercase letters.
break;
} else if (!Character.isLetterOrDigit(chrCall) && chrCall != '_') {
constants.add(line.substring(next_gl, scan_idx));
break;
}
}
}
next_gl = line.indexOf("GL_", next_gl + 3);
}
return constants;
}
private static Collection<String> scanMethods(String line) {
List<String> methods = new ArrayList<String>();
int next_gl = line.indexOf("gl");
while (next_gl > 0) {
char chrBefore = line.charAt(next_gl - 1);
if (!Character.isWhitespace(chrBefore)
&& chrBefore != '.'
&& chrBefore != '!'
&& chrBefore != '(') {
// System.out.println(line + "\t\t\t\tPreceding character not acceptable.");
} else {
for (int scan_idx = next_gl + 2; scan_idx < line.length(); scan_idx++) {
char chrCall = line.charAt(scan_idx);
if (chrCall == '(') {
String methodName = line.substring(next_gl, scan_idx);
methods.add(methodName);
break;
} else if (!Character.isLetterOrDigit(chrCall)) {
// System.out.println(line.substring(next_gl) + "\t\t\t\tFound non-letter inside call");
break;
}
}
}
next_gl = line.indexOf("gl", next_gl + 2);
}
return methods;
}
private static void scanFile(String path) {
FileReader reader = null;
try {
reader = new FileReader(path);
BufferedReader br = new BufferedReader(reader);
while (true) {
String line = br.readLine();
if (line == null) {
break;
}
usedMethods.addAll(scanMethods(line));
usedConstants.addAll(scanConstants(line));
}
} catch (IOException ex) {
ex.printStackTrace();
} finally {
if (reader != null) {
try {
reader.close();
} catch (IOException ex) {
}
}
}
}
private static void exportInterface() {
System.out.println("package autogen;");
System.out.println();
System.out.println("/**");
System.out.println(" * Auto-generated interface");
System.out.println(" */");
System.out.println("public interface GL {");
System.out.println();
System.out.println("// -- begin constants");
for (String constant : usedConstants) {
ConstantInfo info = constantMap.get(constant);
if (info == null) {
throw new IllegalStateException("Cannot find required constant: " + constant);
}
String typeStr = info.constantType.toString();
String valueStr = null;
if (info.constantType == int.class) {
valueStr = "0x" + Integer.toHexString((Integer)info.constantValue).toUpperCase();
} else if (info.constantType == long.class) {
valueStr = "0x" + Long.toHexString((Long)info.constantValue).toUpperCase();
}
System.out.println("\tpublic static final " + typeStr + " " + info.constantName + " = " + valueStr + ";");
}
System.out.println("// -- end constants");
System.out.println();
System.out.println("// -- begin methods");
for (String method : usedMethods) {
List<MethodInfo> infos = methodMap.get(method);
if (infos == null) {
throw new IllegalStateException("Cannot find required method: " + method);
}
for (MethodInfo info : infos) {
String retTypeStr = info.returnType.toString();
System.out.print("\tpublic " + retTypeStr + " " + method + "(");
for (int i = 0; i < info.paramTypes.length; i++) {
System.out.print(info.paramTypes[i].getSimpleName() + " param" + (i + 1));
if (i != info.paramTypes.length - 1) {
System.out.print(", ");
}
}
System.out.println(");");
}
}
System.out.println("// -- end methods");
System.out.println();
System.out.println("}");
}
public static void main(String[] args) throws IOException {
String lwjgl = "D:\\engine\\jme3-lwjgl\\src\\main\\java\\com\\jme3\\renderer\\lwjgl\\LwjglRenderer.java";
String jogl = "D:\\engine\\jme3-jogl\\src\\main\\java\\com\\jme3\\renderer\\jogl\\JoglRenderer.java";
String ogles = "D:\\engine\\jme3-android\\src\\main\\java\\com\\jme3\\renderer\\android\\OGLESShaderRenderer.java";
scanType(GL11.class);
scanType(GL14.class);
scanType(GL12.class);
scanType(GL13.class);
scanType(GL15.class);
scanType(GL20.class);
scanType(GL21.class);
scanType(GL30.class);
scanType(NVHalfFloat.class);
scanType(ARBGeometryShader4.class);
scanType(EXTFramebufferObject.class);
scanType(EXTFramebufferBlit.class);
scanType(EXTFramebufferMultisample.class);
scanType(ARBTextureMultisample.class);
scanType(ARBMultisample.class);
scanType(EXTTextureArray.class);
scanType(EXTTextureFilterAnisotropic.class);
scanType(ARBDrawInstanced.class);
scanType(ARBInstancedArrays.class);
scanFile(lwjgl);
exportInterface();
}
}

87
settings.gradle
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@ -1,42 +1,47 @@
/**
* This is the global settings file used by all subprojects.
**/
rootProject.name = 'jmonkeyengine'
// Core classes, should work on all java platforms
include 'jme3-core'
include 'jme3-effects'
include 'jme3-networking'
include 'jme3-plugins'
include 'jme3-terrain'
// Desktop dependent java classes
include 'jme3-desktop'
include 'jme3-blender'
include 'jme3-jogl'
include 'jme3-lwjgl'
// Other external dependencies
include 'jme3-jbullet'
include 'jme3-niftygui'
include 'jme3-jogg'
include 'jme3-android'
include 'jme3-ios'
//native builds
include 'jme3-bullet' //java
if(buildNativeProjects == "true"){
include 'jme3-bullet-native' //cpp
include 'jme3-bullet-native-android' //cpp
}
include 'jme3-android-native' //cpp
// Test Data project
include 'jme3-testdata'
// Example projects
include 'jme3-examples'
if(buildSdkProject == "true"){
include 'sdk'
/**
* This is the global settings file used by all subprojects.
**/
rootProject.name = 'jmonkeyengine'
// Core classes, should work on all java platforms
include 'jme3-core'
include 'jme3-effects'
include 'jme3-networking'
include 'jme3-plugins'
include 'jme3-terrain'
// Desktop dependent java classes
include 'jme3-desktop'
include 'jme3-blender'
include 'jme3-jogl'
include 'jme3-lwjgl'
// Other external dependencies
include 'jme3-jbullet'
include 'jme3-niftygui'
include 'jme3-jogg'
include 'jme3-android'
include 'jme3-ios'
//native builds
include 'jme3-bullet' //java
if(buildNativeProjects == "true"){
include 'jme3-bullet-native' //cpp
include 'jme3-bullet-native-android' //cpp
}
include 'jme3-android-native' //cpp
// Test Data project
include 'jme3-testdata'
// Example projects
include 'jme3-examples'
// GL Autogen
if (buildAutogen == "true") {
include 'jme3-gl-autogen'
}
if(buildSdkProject == "true"){
include 'sdk'
}
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