diff options
Diffstat (limited to 'src/java/com/sun/gluegen/opengl')
| -rw-r--r-- | src/java/com/sun/gluegen/opengl/BuildComposablePipeline.java | 1104 | ||||
| -rw-r--r-- | src/java/com/sun/gluegen/opengl/BuildStaticGLInfo.java | 333 | ||||
| -rwxr-xr-x | src/java/com/sun/gluegen/opengl/GLConfiguration.java | 297 | ||||
| -rw-r--r-- | src/java/com/sun/gluegen/opengl/GLEmitter.java | 407 | ||||
| -rwxr-xr-x | src/java/com/sun/gluegen/opengl/GLJavaMethodBindingEmitter.java | 103 |
5 files changed, 2244 insertions, 0 deletions
diff --git a/src/java/com/sun/gluegen/opengl/BuildComposablePipeline.java b/src/java/com/sun/gluegen/opengl/BuildComposablePipeline.java new file mode 100644 index 000000000..89176f557 --- /dev/null +++ b/src/java/com/sun/gluegen/opengl/BuildComposablePipeline.java @@ -0,0 +1,1104 @@ +/* + * Copyright (c) 2003 Sun Microsystems, Inc. All Rights Reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions are + * met: + * + * - Redistribution of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * + * - Redistribution 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 Sun Microsystems, Inc. or the names of + * contributors may be used to endorse or promote products derived from + * this software without specific prior written permission. + * + * This software is provided "AS IS," without a warranty of any kind. ALL + * EXPRESS OR IMPLIED CONDITIONS, REPRESENTATIONS AND WARRANTIES, + * INCLUDING ANY IMPLIED WARRANTY OF MERCHANTABILITY, FITNESS FOR A + * PARTICULAR PURPOSE OR NON-INFRINGEMENT, ARE HEREBY EXCLUDED. SUN + * MICROSYSTEMS, INC. ("SUN") AND ITS LICENSORS SHALL NOT BE LIABLE FOR + * ANY DAMAGES SUFFERED BY LICENSEE AS A RESULT OF USING, MODIFYING OR + * DISTRIBUTING THIS SOFTWARE OR ITS DERIVATIVES. IN NO EVENT WILL SUN OR + * ITS LICENSORS BE LIABLE FOR ANY LOST REVENUE, PROFIT OR DATA, OR FOR + * DIRECT, INDIRECT, SPECIAL, CONSEQUENTIAL, INCIDENTAL OR PUNITIVE + * DAMAGES, HOWEVER CAUSED AND REGARDLESS OF THE THEORY OF LIABILITY, + * ARISING OUT OF THE USE OF OR INABILITY TO USE THIS SOFTWARE, EVEN IF + * SUN HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES. + * + * You acknowledge that this software is not designed or intended for use + * in the design, construction, operation or maintenance of any nuclear + * facility. + * + * Sun gratefully acknowledges that this software was originally authored + * and developed by Kenneth Bradley Russell and Christopher John Kline. + */ + +package com.sun.gluegen.opengl; + +import com.sun.gluegen.*; + +import java.lang.reflect.*; +import java.io.*; +import java.util.*; +import java.util.regex.*; + +public class BuildComposablePipeline +{ + public static final int GEN_DEBUG = 1 << 0 ; // default + public static final int GEN_TRACE = 1 << 1 ; // default + public static final int GEN_CUSTOM = 1 << 2 ; + public static final int GEN_PROLOG_XOR_DOWNSTREAM = 1 << 3 ; + + int mode; + private String outputDir; + private String outputPackage; + private String outputName; + private Class classToComposeAround; + private Class classPrologOpt; + private Class classDownstream; + private String basePackage; + private String baseName; // does not include package! + private String downstreamPackage; + private String downstreamName; // does not include package! + + // Only desktop OpenGL has immediate mode glBegin / glEnd + private boolean hasImmediateMode; + + // Desktop OpenGL and GLES1 have GL_STACK_OVERFLOW and GL_STACK_UNDERFLOW errors + private boolean hasStackOverflow; + + public static Class getClass(String name) { + Class clazz=null; + try { + clazz = Class.forName(name); + } catch (Exception e) { + throw new RuntimeException( + "Could not find class \"" + name + "\"", e); + } + return clazz; + } + + public static Method getMethod(Class clazz, Method m) { + Method res = null; + try { + res = clazz.getMethod(m.getName(), m.getParameterTypes()); + } catch (Exception e) { } + return res; + } + + public static void main(String[] args) + { + String classToComposeAroundName = args[0]; + Class classPrologOpt, classDownstream; + Class classToComposeAround = getClass(classToComposeAroundName); + + String outputDir = args[1]; + String outputPackage, outputName; + int mode; + + if(args.length>2) { + String outputClazzName = args[2]; + outputPackage = getPackageName(outputClazzName); + outputName = getBaseClassName(outputClazzName); + classPrologOpt = getClass(args[3]); + classDownstream = getClass(args[4]); + mode = GEN_CUSTOM; + if(args.length>5) { + if(args[5].equals("prolog_xor_downstream")) { + mode |= GEN_PROLOG_XOR_DOWNSTREAM; + } + } + } else { + outputPackage = getPackageName(classToComposeAroundName); + outputName = null; // TBD .. + classPrologOpt = null; + classDownstream = classToComposeAround; + mode = GEN_DEBUG | GEN_TRACE; + } + + BuildComposablePipeline composer = + new BuildComposablePipeline(mode, outputDir, outputPackage, outputName, classToComposeAround, classPrologOpt, classDownstream); + + try + { + composer.emit(); + } + catch (IOException e) + { + throw new RuntimeException( + "Error generating composable pipeline source files", e); + } + } + + protected BuildComposablePipeline(int mode, String outputDir, String outputPackage, String outputName, + Class classToComposeAround, Class classPrologOpt, Class classDownstream) + { + this.mode=mode; + this.outputDir=outputDir; + this.outputPackage=outputPackage; + this.outputName=outputName; + this.classToComposeAround=classToComposeAround; + this.classPrologOpt=classPrologOpt; + this.classDownstream=classDownstream; + + if (! classToComposeAround.isInterface()) + { + throw new IllegalArgumentException( + classToComposeAround.getName() + " is not an interface class"); + } + + try { + hasImmediateMode = + (classToComposeAround.getMethod("glBegin", new Class[] { Integer.TYPE }) != null); + } catch (Exception e) { + } + + try { + hasStackOverflow = + (classToComposeAround.getField("GL_STACK_OVERFLOW") != null); + } catch (Exception e) { + } + } + + /** + * Emit the java source code for the classes that comprise the composable + * pipeline. + */ + public void emit() throws IOException + { + List/*<Method>*/ publicMethodsRaw = new ArrayList(); + publicMethodsRaw.addAll(Arrays.asList(classToComposeAround.getMethods())); + Set/*<Method>*/ publicMethodsPlain = new HashSet(); + for (Iterator iter=publicMethodsRaw.iterator(); iter.hasNext(); ) { + Method method = (Method) iter.next(); + // Don't hook methods which aren't real GL methods, + // such as the synthetic "isGL2ES2" "getGL2ES2" + String name = method.getName(); + boolean runHooks = name.startsWith("gl"); + if (!name.startsWith("getGL") && !name.startsWith("isGL") && !name.equals("toString")) { + publicMethodsPlain.add(new PlainMethod(method, runHooks)); + } + } + + if(0!=(mode&GEN_DEBUG)) { + (new DebugPipeline(outputDir, outputPackage, classToComposeAround, classDownstream)).emit(publicMethodsPlain.iterator()); + } + if(0!=(mode&GEN_TRACE)) { + (new TracePipeline(outputDir, outputPackage, classToComposeAround, classDownstream)).emit(publicMethodsPlain.iterator()); + } + if(0!=(mode&GEN_CUSTOM)) { + (new CustomPipeline(mode, outputDir, outputPackage, outputName, classToComposeAround, classPrologOpt, classDownstream)).emit(publicMethodsPlain.iterator()); + } + } + + public static String getPackageName(String clazzName) { + int lastDot = clazzName.lastIndexOf('.'); + if (lastDot == -1) + { + // no package, class is at root level + return null; + } + return clazzName.substring(0, lastDot); + } + + public static String getBaseClassName(String clazzName) { + int lastDot = clazzName.lastIndexOf('.'); + if (lastDot == -1) + { + // no package, class is at root level + return clazzName; + } + return clazzName.substring(lastDot+1); + } + + //------------------------------------------------------- + + protected class PlainMethod + { + Method m; + boolean runHooks; + + public PlainMethod(Method m, boolean runHooks) { + this.m=m; + this.runHooks = runHooks; + } + + public Method getWrappedMethod() { return m; } + + public boolean runHooks() { return runHooks; } + + public boolean equals(Object obj) { + if(obj instanceof PlainMethod) { + PlainMethod b = (PlainMethod)obj; + boolean res = + m.getName().equals(b.m.getName()) && + m.getModifiers() == b.m.getModifiers() && + m.getReturnType().equals(b.m.getReturnType()) && + Arrays.equals( m.getParameterTypes() , b.m.getParameterTypes() ) ; + return res; + } + return false; + } + + public int hashCode() { + int hash = m.getName().hashCode() ^ m.getModifiers() ^ m.getReturnType().hashCode(); + Class[] args = m.getParameterTypes(); + for(int i=0; i<args.length; i++) { + hash ^= args[i].hashCode(); + } + return hash; + } + + public String toString() { + Class[] args = m.getParameterTypes(); + StringBuffer argsString = new StringBuffer(); + argsString.append("("); + for (int i = 0; i < args.length; i++) { + if (i > 0) + argsString.append(", "); + argsString.append(args[i].getName()); + } + argsString.append(")"); + return m.toString() + + "\n\tname: " + m.getName() + + "\n\tmods: " + m.getModifiers() + + "\n\tretu: " + m.getReturnType() + + "\n\targs[" + args.length + "]: "+argsString.toString(); + } + } + + /** + * Emits a Java source file that represents one element of the composable + * pipeline. + */ + protected abstract class PipelineEmitter + { + private File file; + protected String basePackage; + protected String baseName; // does not include package! + protected String downstreamPackage; + protected String downstreamName; // does not include package! + protected String prologPackageOpt=null; + protected String prologNameOpt=null; // does not include package! + + protected String outputDir; + protected String outputPackage; + protected Class baseInterfaceClass; + protected Class prologClassOpt=null; + protected Class downstreamClass; + + /** + * @param outputDir the directory into which the pipeline classes will be + * generated. + * @param baseInterfaceClassName the full class name (including package, + * e.g. "java.lang.String") of the interface that the pipeline wraps + * @exception IllegalArgumentException if classToComposeAround is not an + * interface. + */ + public PipelineEmitter(String outputDir, String outputPackage, Class baseInterfaceClass, Class prologClassOpt, Class downstreamClass) + { + this.outputDir=outputDir; + this.outputPackage=outputPackage; + this.baseInterfaceClass=baseInterfaceClass; + this.prologClassOpt=prologClassOpt; + this.downstreamClass=downstreamClass; + + basePackage = getPackageName(baseInterfaceClass.getName()); + baseName = getBaseClassName(baseInterfaceClass.getName()); + downstreamPackage = getPackageName(downstreamClass.getName()); + downstreamName = getBaseClassName(downstreamClass.getName()); + if(null!=prologClassOpt) { + prologPackageOpt = getPackageName(prologClassOpt.getName()); + prologNameOpt = getBaseClassName(prologClassOpt.getName()); + } + } + + public void emit(Iterator/*<Method>*/ methodsToWrap) throws IOException + { + String outputClassName = getOutputName(); + this.file = new File(outputDir + File.separatorChar + outputClassName + ".java"); + String parentDir = file.getParent(); + if (parentDir != null) + { + File pDirFile = new File(parentDir); + pDirFile.mkdirs(); + } + + PrintWriter output = new PrintWriter(new BufferedWriter(new FileWriter(file))); + + HashSet clazzList = new HashSet(); + clazzList.add(baseInterfaceClass); + clazzList.addAll(Arrays.asList(baseInterfaceClass.getInterfaces())); + + String[] ifNames = new String[clazzList.size()]; + { + int i=0; + for (Iterator iter=clazzList.iterator(); iter.hasNext(); ) { + ifNames[i++] = new String(((Class)iter.next()).getName()); + } + } + + clazzList.add(downstreamClass); + if(null!=prologClassOpt) { + clazzList.add(prologClassOpt); + } + + String[] importNames = new String[clazzList.size()+2]; + { + int i=0; + importNames[i++] = new String("java.io.*"); + importNames[i++] = new String("javax.media.opengl.*"); + for (Iterator iter=clazzList.iterator(); iter.hasNext(); ) { + importNames[i++] = new String(((Class)iter.next()).getName()); + } + } + + CodeGenUtils.emitJavaHeaders(output, + outputPackage, + outputClassName, + "com.sun.gluegen.runtime", // FIXME: should make configurable + true, + importNames, + new String[] { "public" }, + ifNames, + null, + new CodeGenUtils.EmissionCallback() { + public void emit(PrintWriter w) { emitClassDocComment(w); } + } + ); + + preMethodEmissionHook(output); + + constructorHook(output); + + emitGLIsMethods(output); + emitGLGetMethods(output); + + while (methodsToWrap.hasNext()) + { + PlainMethod pm = (PlainMethod)methodsToWrap.next(); + Method m = pm.getWrappedMethod(); + emitMethodDocComment(output, m); + emitSignature(output, m); + emitBody(output, m, pm.runHooks()); + } + + postMethodEmissionHook(output); + + output.println(); + output.print(" private " + downstreamName + " " + getDownstreamObjectName() + ";"); + + // end the class + output.println(); + output.print("} // end class "); + output.println(outputClassName); + + output.flush(); + output.close(); + + System.out.println("wrote to file: "+file); // JAU + } + + /** Get the name of the object through which API calls should be routed. */ + protected String getDownstreamObjectName() + { + return "downstream" + downstreamName; + } + + /** Get the name of the object which shall be called as a prolog. */ + protected String getPrologObjectNameOpt() + { + if(null!=prologNameOpt) { + return "prolog" + prologNameOpt; + } + return null; + } + + protected void emitMethodDocComment(PrintWriter output, Method m) + { + } + + protected void emitSignature(PrintWriter output, Method m) + { + output.print(" public "); + output.print(' '); + output.print(JavaType.createForClass(m.getReturnType()).getName()); + output.print(' '); + output.print(m.getName()); + output.print('('); + output.print(getArgListAsString(m, true, true)); + output.println(")"); + } + + protected void emitBody(PrintWriter output, Method m, boolean runHooks) + { + output.println(" {"); + output.print(" "); + Class retType = m.getReturnType(); + + boolean callPreDownstreamHook = runHooks && hasPreDownstreamCallHook(m); + boolean callPostDownstreamHook = runHooks && hasPostDownstreamCallHook(m); + boolean callDownstream = (null!=getMethod(downstreamClass, m)) && + !( 0!=(GEN_PROLOG_XOR_DOWNSTREAM&getMode()) && callPreDownstreamHook ) ; + boolean hasResult = (retType != Void.TYPE); + + if(!callDownstream) { + if(!emptyDownstreamAllowed()) { + throw new RuntimeException("Method "+m+" has no downstream ("+downstreamName+")"); + } + } + + if(!callPreDownstreamHook && !callPostDownstreamHook && !callDownstream) { + if(!emptyMethodAllowed()) { + throw new RuntimeException("Method "+m+" is empty, no downstream ("+downstreamName+") nor prolog ("+prologNameOpt+")."); + } else { + output.print(" if(DEBUG) { System.out.println(\"WARNING: No prolog, no downstream, empty: \"+"); + printFunctionCallString(output, m); + output.println("); } "); + } + } + + if (callPreDownstreamHook) { + if(hasResult && !callDownstream) { + if(callPostDownstreamHook) { + output.print(" "+JavaType.createForClass(retType).getName()); + output.print(" _res = "); + } else { + output.print(" return "); + } + } + preDownstreamCallHook(output, m); + } + + if(callDownstream) { + if (hasResult) { + if(callPostDownstreamHook) { + output.print(" "+JavaType.createForClass(retType).getName()); + output.print(" _res = "); + } else { + output.print(" return "); + } + } + output.print(getDownstreamObjectName()); + output.print('.'); + output.print(m.getName()); + output.print('('); + output.print(getArgListAsString(m, false, true)); + output.println(");"); + } + + if (callPostDownstreamHook) { + postDownstreamCallHook(output, m); + } + + if (hasResult && callDownstream && callPostDownstreamHook) { + output.println(" return _res;"); + } + output.println(" }"); + + } + + protected String getArgListAsString(Method m, boolean includeArgTypes, boolean includeArgNames) + { + StringBuffer buf = new StringBuffer(256); + if (!includeArgNames && !includeArgTypes) + { + throw new IllegalArgumentException( + "Cannot generate arglist without both arg types and arg names"); + } + + Class[] argTypes = m.getParameterTypes(); + for (int i = 0; i < argTypes.length; ++i) + { + if (includeArgTypes) + { + buf.append(JavaType.createForClass(argTypes[i]).getName()); + buf.append(' '); + } + + if (includeArgNames) + { + buf.append("arg"); + buf.append(i); + } + if (i < argTypes.length-1) { buf.append(','); } + } + + return buf.toString(); + } + + /** The name of the class around which this pipeline is being + * composed. E.g., if this pipeline was constructed with + * "java.util.Set" as the baseInterfaceClassName, then this method will + * return "Set". + */ + protected String getBaseInterfaceName() + { + return baseName; + } + + /** Get the output name for this pipeline class. */ + protected abstract String getOutputName(); + + /** + * Called after the class headers have been generated, but before any + * method wrappers have been generated. + */ + protected void preMethodEmissionHook(PrintWriter output) { + output.println(" public static final boolean DEBUG = com.sun.opengl.impl.Debug.debug(\""+getOutputName()+"\");"); + } + + /** + * Emits the constructor for the pipeline; called after the preMethodEmissionHook. + */ + protected abstract void constructorHook(PrintWriter output); + + /** + * Called after the method wrappers have been generated, but before the + * closing parenthesis of the class is emitted. + */ + protected void postMethodEmissionHook(PrintWriter output) { + output.println( " public String toString() {"); + output.println( " StringBuffer sb = new StringBuffer();"); + output.println( " sb.append(\""+getOutputName()+" [ implementing "+baseInterfaceClass.getName()+",\\n\\t\");"); + if(null!=prologClassOpt) { + output.println( " sb.append(\" prolog: \"+"+getPrologObjectNameOpt()+".toString()+\",\\n\\t\");"); + } + output.println( " sb.append(\" downstream: \"+"+getDownstreamObjectName()+".toString()+\"\\n\\t]\");"); + output.println( " return sb.toString();"); + output.println( " }"); + } + + /** + * Called before the pipeline routes the call to the downstream object. + */ + protected abstract void preDownstreamCallHook(PrintWriter output, Method m); + protected abstract boolean hasPreDownstreamCallHook(Method m); + + /** + * Called after the pipeline has routed the call to the downstream object, + * but before the calling function exits or returns a value. + */ + protected abstract void postDownstreamCallHook(PrintWriter output, Method m); + + protected abstract boolean hasPostDownstreamCallHook(Method m); + + protected abstract int getMode(); + protected abstract boolean emptyMethodAllowed(); + protected abstract boolean emptyDownstreamAllowed(); + + /** Emit a Javadoc comment for this pipeline class. */ + protected abstract void emitClassDocComment(PrintWriter output); + + /** + * Emits one of the isGL* methods. + */ + protected void emitGLIsMethod(PrintWriter output, String type) { + output.println(" public boolean is" + type + "() {"); + Class clazz = BuildComposablePipeline.getClass("javax.media.opengl." + type); + if (clazz.isAssignableFrom(baseInterfaceClass)) { + output.println(" return true;"); + } else { + output.println(" return false;"); + } + output.println(" }"); + } + + /** + * Emits all of the isGL* methods. + */ + protected void emitGLIsMethods(PrintWriter output) { + emitGLIsMethod(output, "GL"); + emitGLIsMethod(output, "GL3"); + emitGLIsMethod(output, "GL2"); + emitGLIsMethod(output, "GLES1"); + emitGLIsMethod(output, "GLES2"); + emitGLIsMethod(output, "GL2ES1"); + emitGLIsMethod(output, "GL2ES2"); + output.println(" public boolean isGLES() {"); + output.println(" return isGLES2() || isGLES1();"); + output.println(" }"); + } + /** + * Emits one of the getGL* methods. + */ + protected void emitGLGetMethod(PrintWriter output, String type) { + output.println(" public javax.media.opengl." + type + " get" + type + "() {"); + Class clazz = BuildComposablePipeline.getClass("javax.media.opengl." + type); + if (clazz.isAssignableFrom(baseInterfaceClass)) { + output.println(" return this;"); + } else { + output.println(" throw new GLException(\"Not a " + type + " implementation\");"); + } + output.println(" }"); + } + + /** + * Emits all of the getGL* methods. + */ + protected void emitGLGetMethods(PrintWriter output) { + emitGLGetMethod(output, "GL"); + emitGLGetMethod(output, "GL3"); + emitGLGetMethod(output, "GL2"); + emitGLGetMethod(output, "GLES1"); + emitGLGetMethod(output, "GLES2"); + emitGLGetMethod(output, "GL2ES1"); + emitGLGetMethod(output, "GL2ES2"); + output.println(" public GLProfile getGLProfile() {"); + output.println(" return "+getDownstreamObjectName()+".getGLProfile();"); + output.println(" }"); + } + } // end class PipelineEmitter + + //------------------------------------------------------- + + protected class CustomPipeline extends PipelineEmitter + { + String className; + int mode; + + public CustomPipeline(int mode, String outputDir, String outputPackage, String outputName, Class baseInterfaceClass, Class prologClassOpt, Class downstreamClass) + { + super(outputDir, outputPackage, baseInterfaceClass, prologClassOpt, downstreamClass); + className = outputName; + this.mode = mode; + } + + protected String getOutputName() + { + return className; + } + + protected int getMode() { return mode; } + + protected boolean emptyMethodAllowed() { + return true; + } + protected boolean emptyDownstreamAllowed() { + return true; + } + + protected void preMethodEmissionHook(PrintWriter output) + { + super.preMethodEmissionHook(output); + } + + protected void constructorHook(PrintWriter output) { + output.print( " public " + getOutputName() + "(" ); + output.print( downstreamName + " " + getDownstreamObjectName() ); + if(null!=prologNameOpt) { + output.println( ", " + prologNameOpt + " " + getPrologObjectNameOpt() + ")"); + } else { + output.println(")"); + } + output.println(" {"); + output.println(" if (" + getDownstreamObjectName() + " == null) {"); + output.println(" throw new IllegalArgumentException(\"null " + getDownstreamObjectName() + "\");"); + output.println(" }"); + output.print( " this." + getDownstreamObjectName()); + output.println(" = " + getDownstreamObjectName() + ";"); + if(null!=prologNameOpt) { + output.print( " this." + getPrologObjectNameOpt()); + output.println(" = " + getPrologObjectNameOpt() + ";"); + } + output.println(" }"); + output.println(); + } + + protected void postMethodEmissionHook(PrintWriter output) + { + super.postMethodEmissionHook(output); + if(null!=prologNameOpt) { + output.print(" private " + prologNameOpt + " " + getPrologObjectNameOpt() + ";"); + } + } + + protected void emitClassDocComment(PrintWriter output) + { + output.println("/**"); + output.println(" * Composable pipeline {@link "+outputPackage+"."+outputName+"}, implementing the interface"); + output.println(" * {@link "+baseInterfaceClass.getName()+"}"); + output.println(" * <p>"); + output.println(" * Each method follows the call graph <ul>"); + if(null!=prologClassOpt) { + output.println(" * <li> call <em>prolog</em> {@link "+prologClassOpt.getName()+"} if available"); + } + output.println(" * <li> call <em>downstream</em> {@link "+downstreamClass.getName()+"} if available"); + if(null!=prologClassOpt && 0!=(GEN_PROLOG_XOR_DOWNSTREAM&getMode())) { + output.println(" * <strong>and</strong> if no call to {@link "+prologClassOpt.getName()+"} is made"); + } + output.println(" * </ul><p>"); + output.println(" * "); + output.println(" * <ul>"); + output.println(" * <li> <em>Interface</em> {@link "+baseInterfaceClass.getName()+"}"); + if(null!=prologClassOpt) { + output.println(" * <li> <em>Prolog</em> {@link "+prologClassOpt.getName()+"}"); + } + output.println(" * <li> <em>Downstream</em> {@link "+downstreamClass.getName()+"}"); + output.println(" * </ul><p>"); + output.println(" * Sample code which installs this pipeline: </P>"); + output.println(" * "); + output.println("<PRE>"); + if(null!=prologNameOpt) { + output.println(" drawable.setGL( new "+className+"( drawable.getGL().getGL2ES2(), new "+prologNameOpt+"( drawable.getGL().getGL2ES2() ) ) );"); + } else { + output.println(" drawable.setGL( new "+className+"( drawable.getGL().getGL2ES2() ) );"); + } + output.println("</PRE>"); + output.println("*/"); + } + + protected boolean hasPreDownstreamCallHook(Method m) { + return null!=getMethod(prologClassOpt, m); + } + + protected void preDownstreamCallHook(PrintWriter output, Method m) + { + if(null!=prologNameOpt) { + output.print(getPrologObjectNameOpt()); + output.print('.'); + output.print(m.getName()); + output.print('('); + output.print(getArgListAsString(m, false, true)); + output.println(");"); + } + } + + protected boolean hasPostDownstreamCallHook(Method m) { + return false; + } + + protected void postDownstreamCallHook(PrintWriter output, Method m) + { + } + + } // end class CustomPipeline + + protected class DebugPipeline extends PipelineEmitter + { + String className; + public DebugPipeline(String outputDir, String outputPackage, Class baseInterfaceClass, Class downstreamClass) + { + super(outputDir, outputPackage, baseInterfaceClass, null, downstreamClass); + className = "Debug" + getBaseInterfaceName(); + } + + protected String getOutputName() + { + return className; + } + + protected int getMode() { return 0; } + + protected boolean emptyMethodAllowed() { + return false; + } + protected boolean emptyDownstreamAllowed() { + return false; + } + + protected void preMethodEmissionHook(PrintWriter output) + { + super.preMethodEmissionHook(output); + } + + protected void constructorHook(PrintWriter output) { + output.print( " public " + getOutputName() + "(" ); + output.println( downstreamName + " " + getDownstreamObjectName() + ")"); + output.println(" {"); + output.println(" if (" + getDownstreamObjectName() + " == null) {"); + output.println(" throw new IllegalArgumentException(\"null " + getDownstreamObjectName() + "\");"); + output.println(" }"); + output.print( " this." + getDownstreamObjectName()); + output.println(" = " + getDownstreamObjectName() + ";"); + if(null!=prologNameOpt) { + output.print( " this." + getPrologObjectNameOpt()); + output.println(" = " + getPrologObjectNameOpt() + ";"); + } + output.println(" // Fetch GLContext object for better error checking (if possible)"); + output.println(" _context = " + getDownstreamObjectName() + ".getContext();"); + output.println(" }"); + output.println(); + } + + protected void postMethodEmissionHook(PrintWriter output) + { + super.postMethodEmissionHook(output); + output.println(" private void checkGLGetError(String caller)"); + output.println(" {"); + if (hasImmediateMode) { + output.println(" if (insideBeginEndPair) {"); + output.println(" return;"); + output.println(" }"); + output.println(); + } + output.println(" // Debug code to make sure the pipeline is working; leave commented out unless testing this class"); + output.println(" //System.err.println(\"Checking for GL errors " + + "after call to \" + caller);"); + output.println(); + output.println(" int err = " + + getDownstreamObjectName() + + ".glGetError();"); + output.println(" if (err == GL_NO_ERROR) { return; }"); + output.println(); + output.println(" StringBuffer buf = new StringBuffer(Thread.currentThread()+"); + output.println(" \" glGetError() returned the following error codes " + + "after a call to \" + caller + \": \");"); + output.println(); + output.println(" // Loop repeatedly to allow for distributed GL implementations,"); + output.println(" // as detailed in the glGetError() specification"); + output.println(" int recursionDepth = 10;"); + output.println(" do {"); + output.println(" switch (err) {"); + output.println(" case GL_INVALID_ENUM: buf.append(\"GL_INVALID_ENUM \"); break;"); + output.println(" case GL_INVALID_VALUE: buf.append(\"GL_INVALID_VALUE \"); break;"); + output.println(" case GL_INVALID_OPERATION: buf.append(\"GL_INVALID_OPERATION \"); break;"); + if (hasStackOverflow) { + output.println(" case GL_STACK_OVERFLOW: buf.append(\"GL_STACK_OVERFLOW \"); break;"); + output.println(" case GL_STACK_UNDERFLOW: buf.append(\"GL_STACK_UNDERFLOW \"); break;"); + } + output.println(" case GL_OUT_OF_MEMORY: buf.append(\"GL_OUT_OF_MEMORY \"); break;"); + output.println(" case GL_NO_ERROR: throw new InternalError(\"Should not be treating GL_NO_ERROR as error\");"); + output.println(" default: buf.append(\"Unknown glGetError() return value: \");"); + output.println(" }"); + output.println(" buf.append(\"( \" + err + \" 0x\"+Integer.toHexString(err).toUpperCase() + \"), \");"); + output.println(" } while ((--recursionDepth >= 0) && (err = " + + getDownstreamObjectName() + + ".glGetError()) != GL_NO_ERROR);"); + output.println(" throw new GLException(buf.toString());"); + output.println(" }"); + if (hasImmediateMode) { + output.println(" /** True if the pipeline is inside a glBegin/glEnd pair.*/"); + output.println(" private boolean insideBeginEndPair = false;"); + output.println(); + } + output.println(" private void checkContext() {"); + output.println(" GLContext currentContext = GLContext.getCurrent();"); + output.println(" if (currentContext == null) {"); + output.println(" throw new GLException(\"No OpenGL context is current on this thread\");"); + output.println(" }"); + output.println(" if ((_context != null) && (_context != currentContext)) {"); + output.println(" throw new GLException(\"This GL object is being incorrectly used with a different GLContext than that which created it\");"); + output.println(" }"); + output.println(" }"); + output.println(" private GLContext _context;"); + } + + protected void emitClassDocComment(PrintWriter output) + { + output.println("/** <P> Composable pipeline which wraps an underlying {@link GL} implementation,"); + output.println(" providing error checking after each OpenGL method call. If an error occurs,"); + output.println(" causes a {@link GLException} to be thrown at exactly the point of failure."); + output.println(" Sample code which installs this pipeline: </P>"); + output.println(); + output.println("<PRE>"); + output.println(" drawable.setGL(new DebugGL(drawable.getGL()));"); + output.println("</PRE>"); + output.println("*/"); + } + + protected boolean hasPreDownstreamCallHook(Method m) { + return true; + } + + protected void preDownstreamCallHook(PrintWriter output, Method m) + { + output.println(" checkContext();"); + } + + protected boolean hasPostDownstreamCallHook(Method m) { + return true; + } + + protected void postDownstreamCallHook(PrintWriter output, Method m) + { + if (m.getName().equals("glBegin")) + { + output.println(" insideBeginEndPair = true;"); + output.println(" // NOTE: can't check glGetError(); it's not allowed inside glBegin/glEnd pair"); + } + else + { + if (m.getName().equals("glEnd")) + { + output.println(" insideBeginEndPair = false;"); + } + + output.println(" String txt = new String(\""+ m.getName() + "(\" +"); + Class[] params = m.getParameterTypes() ; + for(int i=0; params!=null && i<params.length; i++) { + if(params[i].equals(int.class)) { + output.println(" \"<"+params[i].getName()+"> 0x\"+Integer.toHexString(arg"+i+").toUpperCase() +"); + } else { + output.println(" \"<"+params[i].getName()+">\" +"); + } + if(i<params.length-1) { + output.println(" \", \" +"); + } + } + output.println(" \")\");"); + // calls to glGetError() are only allowed outside of glBegin/glEnd pairs + output.println(" checkGLGetError( txt );"); + } + } + + } // end class DebugPipeline + + //------------------------------------------------------- + + protected class TracePipeline extends PipelineEmitter + { + String className; + public TracePipeline(String outputDir, String outputPackage, Class baseInterfaceClass, Class downstreamClass) + { + super(outputDir, outputPackage, baseInterfaceClass, null, downstreamClass); + className = "Trace" + getBaseInterfaceName(); + } + + protected String getOutputName() + { + return className; + } + + protected int getMode() { return 0; } + + protected boolean emptyMethodAllowed() { + return false; + } + protected boolean emptyDownstreamAllowed() { + return false; + } + + protected void preMethodEmissionHook(PrintWriter output) + { + super.preMethodEmissionHook(output); + } + + protected void constructorHook(PrintWriter output) { + output.print( " public " + getOutputName() + "(" ); + output.println( downstreamName + " " + getDownstreamObjectName() + ", PrintStream " + getOutputStreamName() + ")"); + output.println(" {"); + output.println(" if (" + getDownstreamObjectName() + " == null) {"); + output.println(" throw new IllegalArgumentException(\"null " + getDownstreamObjectName() + "\");"); + output.println(" }"); + output.print( " this." + getDownstreamObjectName()); + output.println(" = " + getDownstreamObjectName() + ";"); + output.print( " this." + getOutputStreamName()); + output.println(" = " + getOutputStreamName() + ";"); + output.println(" }"); + output.println(); + } + + protected void postMethodEmissionHook(PrintWriter output) + { + super.postMethodEmissionHook(output); + output.println("private PrintStream " + getOutputStreamName() + ";"); + output.println("private int indent = 0;"); + output.println("protected String dumpArray(Object obj)"); + output.println("{"); + output.println(" if (obj == null) return \"[null]\";"); + output.println(" StringBuffer sb = new StringBuffer(\"[\");"); + output.println(" int len = java.lang.reflect.Array.getLength(obj);"); + output.println(" int count = Math.min(len,16);"); + output.println(" for ( int i =0; i < count; i++ ) {"); + output.println(" sb.append(java.lang.reflect.Array.get(obj,i));"); + output.println(" if (i < count-1)"); + output.println(" sb.append(',');"); + output.println(" }"); + output.println(" if ( len > 16 )"); + output.println(" sb.append(\"...\").append(len);"); + output.println(" sb.append(']');"); + output.println(" return sb.toString();"); + output.println("}"); + output.println("protected void print(String str)"); + output.println("{"); + output.println(" "+getOutputStreamName()+".print(str);"); + output.println("}"); + output.println("protected void println(String str)"); + output.println("{"); + output.println(" "+getOutputStreamName()+".println(str);"); + output.println("}"); + output.println("protected void printIndent()"); + output.println("{"); + output.println(" for( int i =0; i < indent; i++) {"+getOutputStreamName()+".print(' ');}"); + output.println("}"); + } + protected void emitClassDocComment(PrintWriter output) + { + output.println("/** <P> Composable pipeline which wraps an underlying {@link GL} implementation,"); + output.println(" providing tracing information to a user-specified {@link java.io.PrintStream}"); + output.println(" before and after each OpenGL method call. Sample code which installs this pipeline: </P>"); + output.println(); + output.println("<PRE>"); + output.println(" drawable.setGL(new TraceGL(drawable.getGL(), System.err));"); + output.println("</PRE>"); + output.println("*/"); + } + + protected boolean hasPreDownstreamCallHook(Method m) { + return true; + } + + protected void preDownstreamCallHook(PrintWriter output, Method m) + { + if ( m.getName().equals("glEnd") || m.getName().equals("glEndList")) + { + output.println("indent-=2;"); + output.println(" printIndent();"); + } + else + { + output.println("printIndent();"); + } + + output.print(" println("); + printFunctionCallString(output, m); + output.println(");"); + } + + protected boolean hasPostDownstreamCallHook(Method m) { + return true; + } + + protected void postDownstreamCallHook(PrintWriter output, Method m) + { + Class ret = m.getReturnType(); + if ( ret != Void.TYPE ) + { + output.println(" println(\" = \"+_res);"); + } + else + { + output.println(" println(\"\");"); + } + } + + private String getOutputStreamName() { + return "stream"; + } + + } // end class TracePipeline + + public static final void printFunctionCallString(PrintWriter output, Method m) { + Class[] params = m.getParameterTypes(); + output.print(" \"" + m.getName() + "(\""); + for ( int i =0; i < params.length; i++ ) + { + if ( params[i].isArray() ) { + output.print("+\"<"+params[i].getName()+">\""); + } else if(params[i].equals(int.class)) { + output.print("+\"<"+params[i].getName()+"> 0x\"+Integer.toHexString(arg"+i+").toUpperCase()"); + } else { + output.print("+\"<"+params[i].getName()+">\"+arg"+i); + } + if ( i < params.length-1) { + output.print("+\",\""); + } + } + output.print("+\")\""); + } +} diff --git a/src/java/com/sun/gluegen/opengl/BuildStaticGLInfo.java b/src/java/com/sun/gluegen/opengl/BuildStaticGLInfo.java new file mode 100644 index 000000000..4226f4612 --- /dev/null +++ b/src/java/com/sun/gluegen/opengl/BuildStaticGLInfo.java @@ -0,0 +1,333 @@ +/* + * Copyright (c) 2003 Sun Microsystems, Inc. All Rights Reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions are + * met: + * + * - Redistribution of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * + * - Redistribution 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 Sun Microsystems, Inc. or the names of + * contributors may be used to endorse or promote products derived from + * this software without specific prior written permission. + * + * This software is provided "AS IS," without a warranty of any kind. ALL + * EXPRESS OR IMPLIED CONDITIONS, REPRESENTATIONS AND WARRANTIES, + * INCLUDING ANY IMPLIED WARRANTY OF MERCHANTABILITY, FITNESS FOR A + * PARTICULAR PURPOSE OR NON-INFRINGEMENT, ARE HEREBY EXCLUDED. SUN + * MICROSYSTEMS, INC. ("SUN") AND ITS LICENSORS SHALL NOT BE LIABLE FOR + * ANY DAMAGES SUFFERED BY LICENSEE AS A RESULT OF USING, MODIFYING OR + * DISTRIBUTING THIS SOFTWARE OR ITS DERIVATIVES. IN NO EVENT WILL SUN OR + * ITS LICENSORS BE LIABLE FOR ANY LOST REVENUE, PROFIT OR DATA, OR FOR + * DIRECT, INDIRECT, SPECIAL, CONSEQUENTIAL, INCIDENTAL OR PUNITIVE + * DAMAGES, HOWEVER CAUSED AND REGARDLESS OF THE THEORY OF LIABILITY, + * ARISING OUT OF THE USE OF OR INABILITY TO USE THIS SOFTWARE, EVEN IF + * SUN HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES. + * + * You acknowledge that this software is not designed or intended for use + * in the design, construction, operation or maintenance of any nuclear + * facility. + * + * Sun gratefully acknowledges that this software was originally authored + * and developed by Kenneth Bradley Russell and Christopher John Kline. + */ + +package com.sun.gluegen.opengl; + +import java.io.*; +import java.util.*; +import java.util.regex.*; + + /** + * Builds the StaticGLInfo class from the OpenGL header files (i.e., gl.h + * and glext.h) whose paths were passed as arguments to {@link + * #main(String[])}. + * + * It relies upon the assumption that a function's membership is scoped by + * preprocessor blocks in the header files that match the following pattern: + * <br> + * + * <pre> + * + * #ifndef GL_XXXX + * GLAPI <returnType> <APIENTRY|GLAPIENTRY> glFuncName(<params>) + * #endif GL_XXXX + * + * </pre> + * + * For example, if it parses the following data: + * + * <pre> + * + * #ifndef GL_VERSION_1_3 + * GLAPI void APIENTRY glActiveTexture (GLenum); + * GLAPI void APIENTRY glMultiTexCoord1dv (GLenum, const GLdouble *); + * GLAPI void <APIENTRY|GLAPIENTRY> glFuncName(<params>) + * #endif GL_VERSION_1_3 + * + * #ifndef GL_ARB_texture_compression + * GLAPI void APIENTRY glCompressedTexImage3DARB (GLenum, GLint, GLenum, GLsizei, GLsizei, GLsizei, GLint, GLsizei, const GLvoid *); + * GLAPI void APIENTRY glCompressedTexImage2DARB (GLenum, GLint, GLenum, GLsizei, GLsizei, GLint, GLsizei, const GLvoid *); + * #endif + * + * </pre> + * + * It will associate + * <code> glActiveTexture </code> and + * <code> glMultiTexCoord1dv </code> + * with the symbol + * <code> GL_VERSION_1_3 </code>, + * and associate + * <code> glCompressedTexImage2DARB </code> and + * <code> glCompressedTexImage3DARB </code> + * with the symbol + * <code> GL_ARB_texture_compression </code>. + * */ +public class BuildStaticGLInfo +{ + // Handles function pointer + protected static Pattern funcPattern = + Pattern.compile("^(GLAPI|GL_API|GL_APICALL|EGLAPI|extern)?(\\s*)(\\w+)(\\*)?(\\s+)(GLAPIENTRY|GL_APIENTRY|APIENTRY|EGLAPIENTRY|WINAPI)?(\\s*)([ew]?gl\\w+)\\s?(\\(.*)"); + protected static Pattern associationPattern = + Pattern.compile("\\#ifndef ([EW]?GL[X]?_[A-Za-z0-9_]+)"); + protected static Pattern definePattern = + Pattern.compile("\\#define ([EW]?GL[X]?_[A-Za-z0-9_]+)\\s*([A-Za-z0-9_]+)"); + // Maps function / #define names to the names of the extensions they're declared in + protected Map declarationToExtensionMap = new HashMap(); + // Maps extension names to Set of identifiers (both #defines and + // function names) this extension declares + protected Map/*<String, Set<String>*/ extensionToDeclarationMap = new HashMap(); + + /** + * The first argument is the package to which the StaticGLInfo class + * belongs, the second is the path to the directory in which that package's + * classes reside, and the remaining arguments are paths to the C header + * files that should be parsed + */ + public static void main(String[] args) throws IOException + { + if (args.length > 0 && args[0].equals("-test")) { + BuildStaticGLInfo builder = new BuildStaticGLInfo(); + String[] newArgs = new String[args.length - 1]; + System.arraycopy(args, 1, newArgs, 0, args.length - 1); + builder.parse(newArgs); + builder.dump(); + System.exit(0); + } + + String packageName = args[0]; + String packageDir = args[1]; + + String[] cHeaderFilePaths = new String[args.length-2]; + System.arraycopy(args, 2, cHeaderFilePaths, 0, cHeaderFilePaths.length); + + BuildStaticGLInfo builder = new BuildStaticGLInfo(); + try { + builder.parse(cHeaderFilePaths); + + File file = new File(packageDir + File.separatorChar + "StaticGLInfo.java"); + String parentDir = file.getParent(); + if (parentDir != null) { + File pDirFile = new File(parentDir); + pDirFile.mkdirs(); + } + + PrintWriter writer = new PrintWriter(new BufferedWriter(new FileWriter(file))); + builder.emitJavaCode(writer, packageName); + + writer.flush(); + writer.close(); + } + catch (Exception e) + { + StringBuffer buf = new StringBuffer("{ "); + for (int i = 0; i < cHeaderFilePaths.length; ++i) + { + buf.append(cHeaderFilePaths[i]); + buf.append(" "); + } + buf.append('}'); + throw new RuntimeException( + "Error building StaticGLInfo.java from " + buf.toString(), e); + } + } + + + /** Parses the supplied C header files and adds the function + associations contained therein to the internal map. */ + public void parse(String[] cHeaderFilePaths) throws IOException { + for (int i = 0; i < cHeaderFilePaths.length; i++) { + parse(cHeaderFilePaths[i]); + } + } + + /** Parses the supplied C header file and adds the function + associations contained therein to the internal map. */ + public void parse(String cHeaderFilePath) throws IOException { + BufferedReader reader = new BufferedReader(new FileReader(cHeaderFilePath)); + String line, activeAssociation = null; + Matcher m = null; + while ((line = reader.readLine()) != null) { + // see if we're inside a #ifndef GL_XXX block and matching a function + if (activeAssociation != null) { + String identifier = null; + if ((m = funcPattern.matcher(line)).matches()) { + identifier = m.group(8); + } else if ((m = definePattern.matcher(line)).matches()) { + identifier = m.group(1); + } else if (line.startsWith("#endif")) { + activeAssociation = null; + } + if ((identifier != null) && + (activeAssociation != null) && + // Handles #ifndef GL_... #define GL_... + !identifier.equals(activeAssociation)) { + addAssociation(identifier, activeAssociation); + // System.err.println(" ADDING ASSOCIATION: " + identifier + " " + activeAssociation); + } + } else if ((m = associationPattern.matcher(line)).matches()) { + // found a new #ifndef GL_XXX block + activeAssociation = m.group(1); + + // System.err.println("FOUND NEW ASSOCIATION BLOCK: " + activeAssociation); + } + } + reader.close(); + } + + public void dump() { + for (Iterator i1 = extensionToDeclarationMap.keySet().iterator(); i1.hasNext(); ) { + String name = (String) i1.next(); + Set decls = (Set) extensionToDeclarationMap.get(name); + System.out.println(name + ":"); + List l = new ArrayList(); + l.addAll(decls); + Collections.sort(l); + for (Iterator i2 = l.iterator(); i2.hasNext(); ) { + System.out.println(" " + (String) i2.next()); + } + } + } + + public String getExtension(String identifier) { + return (String) declarationToExtensionMap.get(identifier); + } + + public Set/*<String>*/ getDeclarations(String extension) { + return (Set) extensionToDeclarationMap.get(extension); + } + + public Set/*<String>*/ getExtensions() { + return extensionToDeclarationMap.keySet(); + } + + public void emitJavaCode(PrintWriter output, String packageName) { + output.println("package " + packageName + ";"); + output.println(); + output.println("import java.util.*;"); + output.println(); + output.println("public final class StaticGLInfo"); + output.println("{"); + + output.println(" // maps function names to the extension string or OpenGL"); + output.println(" // specification version string to which they correspond."); + output.println(" private static HashMap funcToAssocMap;"); + output.println(); + + output.println(" /**"); + output.println(" * Returns the OpenGL extension string or GL_VERSION string with which the"); + output.println(" * given function is associated. <P>"); + output.println(" *"); + output.println(" * If the"); + output.println(" * function is part of the OpenGL core, the returned value will be"); + output.println(" * GL_VERSION_XXX where XXX represents the OpenGL version of which the"); + output.println(" * function is a member (XXX will be of the form \"A\" or \"A_B\" or \"A_B_C\";"); + output.println(" * e.g., GL_VERSION_1_2_1 for OpenGL version 1.2.1)."); + output.println(" *"); + output.println(" * If the function is an extension function, the returned value will the"); + output.println(" * OpenGL extension string for the extension to which the function"); + output.println(" * corresponds. For example, if glLoadTransposeMatrixfARB is the argument,"); + output.println(" * GL_ARB_transpose_matrix will be the value returned."); + output.println(" * Please see http://oss.sgi.com/projects/ogl-sample/registry/index.html for"); + output.println(" * a list of extension names and the functions they expose."); + output.println(" *"); + output.println(" * If the function specified is not part of any known OpenGL core version or"); + output.println(" * extension, then NULL will be returned."); + output.println(" */"); + output.println(" public static String getFunctionAssociation(String glFunctionName)"); + output.println(" {"); + output.println(" String mappedName = null;"); + output.println(" int funcNamePermNum = com.sun.gluegen.runtime.opengl.GLExtensionNames.getFuncNamePermutationNumber(glFunctionName);"); + output.println(" for(int i = 0; null==mappedName && i < funcNamePermNum; i++) {"); + output.println(" String tmp = com.sun.gluegen.runtime.opengl.GLExtensionNames.getFuncNamePermutation(glFunctionName, i);"); + output.println(" try {"); + output.println(" mappedName = (String)funcToAssocMap.get(tmp);"); + output.println(" } catch (Exception e) { }"); + output.println(" }"); + output.println(" return mappedName;"); + output.println(" }"); + output.println(); + + output.println(" static"); + output.println(" {"); + + // Compute max capacity + int maxCapacity = 0; + for (Iterator iter = declarationToExtensionMap.keySet().iterator(); iter.hasNext(); ) { + String name = (String) iter.next(); + if (!name.startsWith("GL")) { + ++maxCapacity; + } + } + + output.println(" funcToAssocMap = new HashMap(" + maxCapacity + "); // approximate max capacity"); + output.println(" String group;"); + ArrayList sets = new ArrayList(extensionToDeclarationMap.keySet()); + Collections.sort(sets); + for (Iterator iter = sets.iterator(); iter.hasNext(); ) { + String groupName = (String) iter.next(); + Set funcs = (Set) extensionToDeclarationMap.get(groupName); + List l = new ArrayList(); + l.addAll(funcs); + Collections.sort(l); + Iterator funcIter = l.iterator(); + boolean printedHeader = false; + while (funcIter.hasNext()) { + String funcName = (String)funcIter.next(); + if (!funcName.startsWith("GL")) { + if (!printedHeader) { + output.println(); + output.println(" //----------------------------------------------------------------"); + output.println(" // " + groupName); + output.println(" //----------------------------------------------------------------"); + output.println(" group = \"" + groupName + "\";"); + printedHeader = true; + } + + output.println(" funcToAssocMap.put(\"" + funcName + "\", group);"); + } + } + } + output.println(" }"); + output.println("} // end class StaticGLInfo"); + } + + //---------------------------------------------------------------------- + // Internals only below this point + // + + protected void addAssociation(String identifier, String association) { + declarationToExtensionMap.put(identifier, association); + Set/*<String>*/ identifiers = (Set) extensionToDeclarationMap.get(association); + if (identifiers == null) { + identifiers = new HashSet/*<String>*/(); + extensionToDeclarationMap.put(association, identifiers); + } + identifiers.add(identifier); + } +} diff --git a/src/java/com/sun/gluegen/opengl/GLConfiguration.java b/src/java/com/sun/gluegen/opengl/GLConfiguration.java new file mode 100755 index 000000000..3013848dc --- /dev/null +++ b/src/java/com/sun/gluegen/opengl/GLConfiguration.java @@ -0,0 +1,297 @@ +/* + * Copyright (c) 2003-2005 Sun Microsystems, Inc. All Rights Reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions are + * met: + * + * - Redistribution of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * + * - Redistribution 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 Sun Microsystems, Inc. or the names of + * contributors may be used to endorse or promote products derived from + * this software without specific prior written permission. + * + * This software is provided "AS IS," without a warranty of any kind. ALL + * EXPRESS OR IMPLIED CONDITIONS, REPRESENTATIONS AND WARRANTIES, + * INCLUDING ANY IMPLIED WARRANTY OF MERCHANTABILITY, FITNESS FOR A + * PARTICULAR PURPOSE OR NON-INFRINGEMENT, ARE HEREBY EXCLUDED. SUN + * MICROSYSTEMS, INC. ("SUN") AND ITS LICENSORS SHALL NOT BE LIABLE FOR + * ANY DAMAGES SUFFERED BY LICENSEE AS A RESULT OF USING, MODIFYING OR + * DISTRIBUTING THIS SOFTWARE OR ITS DERIVATIVES. IN NO EVENT WILL SUN OR + * ITS LICENSORS BE LIABLE FOR ANY LOST REVENUE, PROFIT OR DATA, OR FOR + * DIRECT, INDIRECT, SPECIAL, CONSEQUENTIAL, INCIDENTAL OR PUNITIVE + * DAMAGES, HOWEVER CAUSED AND REGARDLESS OF THE THEORY OF LIABILITY, + * ARISING OUT OF THE USE OF OR INABILITY TO USE THIS SOFTWARE, EVEN IF + * SUN HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES. + * + * You acknowledge that this software is not designed or intended for use + * in the design, construction, operation or maintenance of any nuclear + * facility. + * + * Sun gratefully acknowledges that this software was originally authored + * and developed by Kenneth Bradley Russell and Christopher John Kline. + */ + +package com.sun.gluegen.opengl; + +import java.io.*; +import java.util.*; + +import com.sun.gluegen.*; +import com.sun.gluegen.procaddress.*; +import com.sun.gluegen.runtime.opengl.GLExtensionNames; + +public class GLConfiguration extends ProcAddressConfiguration { + // The following data members support ignoring an entire extension at a time + private List/*<String>*/ glHeaders = new ArrayList(); + private Set/*<String>*/ ignoredExtensions = new HashSet(); + private Set/*<String>*/ extensionsRenamedIntoCore = new HashSet(); + private BuildStaticGLInfo glInfo; + // Maps function names to the kind of buffer object it deals with + private Map/*<String,GLEmitter.BufferObjectKind>*/ bufferObjectKinds = new HashMap(); + private GLEmitter emitter; + private Set/*String*/ dropUniqVendorExtensions = new HashSet(); + // This directive is off by default but can help automatically + // indicate which extensions have been folded into the core OpenGL + // namespace, and if not, then why not + private boolean autoUnifyExtensions; + + public GLConfiguration(GLEmitter emitter) { + super(); + this.emitter = emitter; + try { + setProcAddressNameExpr("PFN $UPPERCASE({0}) PROC"); + } catch (NoSuchElementException e) { + throw new RuntimeException("Error configuring ProcAddressNameExpr", e); + } + } + + protected void dispatch(String cmd, StringTokenizer tok, File file, String filename, int lineNo) throws IOException { + if (cmd.equalsIgnoreCase("IgnoreExtension")) + { + String sym = readString("IgnoreExtension", tok, filename, lineNo); + ignoredExtensions.add(sym); + } + else if (cmd.equalsIgnoreCase("RenameExtensionIntoCore")) + { + String sym = readString("RenameExtensionIntoCore", tok, filename, lineNo); + extensionsRenamedIntoCore.add(sym); + } + else if (cmd.equalsIgnoreCase("AutoUnifyExtensions")) + { + autoUnifyExtensions = readBoolean("AutoUnifyExtensions", tok, filename, lineNo).booleanValue(); + } + else if (cmd.equalsIgnoreCase("GLHeader")) + { + String sym = readString("GLHeader", tok, filename, lineNo); + glHeaders.add(sym); + } + else if (cmd.equalsIgnoreCase("BufferObjectKind")) + { + readBufferObjectKind(tok, filename, lineNo); + } + else if (cmd.equalsIgnoreCase("DropUniqVendorExtensions")) + { + String sym = readString("DropUniqVendorExtensions", tok, filename, lineNo); + dropUniqVendorExtensions.add(sym); + } + else + { + super.dispatch(cmd,tok,file,filename,lineNo); + } + } + + protected void readBufferObjectKind(StringTokenizer tok, String filename, int lineNo) { + try { + String kindString = tok.nextToken(); + GLEmitter.BufferObjectKind kind = null; + String target = tok.nextToken(); + if (kindString.equalsIgnoreCase("UnpackPixel")) { + kind = GLEmitter.BufferObjectKind.UNPACK_PIXEL; + } else if (kindString.equalsIgnoreCase("PackPixel")) { + kind = GLEmitter.BufferObjectKind.PACK_PIXEL; + } else if (kindString.equalsIgnoreCase("Array")) { + kind = GLEmitter.BufferObjectKind.ARRAY; + } else if (kindString.equalsIgnoreCase("Element")) { + kind = GLEmitter.BufferObjectKind.ELEMENT; + } else { + throw new RuntimeException("Error parsing \"BufferObjectKind\" command at line " + lineNo + + " in file \"" + filename + "\": illegal BufferObjectKind \"" + + kindString + "\", expected one of UnpackPixel, PackPixel, Array, or Element"); + } + + bufferObjectKinds.put(target, kind); + } catch (NoSuchElementException e) { + throw new RuntimeException("Error parsing \"BufferObjectKind\" command at line " + lineNo + + " in file \"" + filename + "\"", e); + } + } + + /** Overrides javaPrologueForMethod in superclass and + automatically generates prologue code for functions associated + with buffer objects. */ + public List/*<String>*/ javaPrologueForMethod(MethodBinding binding, + boolean forImplementingMethodCall, + boolean eraseBufferAndArrayTypes) { + List/*<String>*/ res = super.javaPrologueForMethod(binding, + forImplementingMethodCall, + eraseBufferAndArrayTypes); + GLEmitter.BufferObjectKind kind = getBufferObjectKind(binding.getName()); + if (kind != null) { + // Need to generate appropriate prologue based on both buffer + // object kind and whether this variant of the MethodBinding + // is the one accepting a "long" as argument + // + // NOTE we MUST NOT mutate the array returned from the super + // call! + ArrayList res2 = new ArrayList(); + if (res != null) { + res2.addAll(res); + } + res = res2; + + String prologue = "check"; + + if (kind == GLEmitter.BufferObjectKind.UNPACK_PIXEL) { + prologue = prologue + "UnpackPBO"; + } else if (kind == GLEmitter.BufferObjectKind.PACK_PIXEL) { + prologue = prologue + "PackPBO"; + } else if (kind == GLEmitter.BufferObjectKind.ARRAY) { + prologue = prologue + "ArrayVBO"; + } else if (kind == GLEmitter.BufferObjectKind.ELEMENT) { + prologue = prologue + "ElementVBO"; + } else { + throw new RuntimeException("Unknown BufferObjectKind " + kind); + } + + if (emitter.isBufferObjectMethodBinding(binding)) { + prologue = prologue + "Enabled"; + } else { + prologue = prologue + "Disabled"; + } + + prologue = prologue + "(true);"; + + res.add(0, prologue); + + // Must also filter out bogus rangeCheck directives for VBO/PBO + // variants + if (emitter.isBufferObjectMethodBinding(binding)) { + for (Iterator iter = res.iterator(); iter.hasNext(); ) { + String line = (String) iter.next(); + if (line.indexOf("BufferFactory.rangeCheck") >= 0) { + iter.remove(); + } + } + } + } + + return res; + } + + public void dumpIgnores() { + System.err.println("GL Ignored extensions: "); + for (Iterator iter = ignoredExtensions.iterator(); iter.hasNext(); ) { + System.err.println("\t"+(String)iter.next()); + } + super.dumpIgnores(); + } + + protected boolean shouldIgnoreExtension(String symbol, boolean criteria) { + if (criteria && glInfo != null) { + String extension = glInfo.getExtension(symbol); + if (extension != null && + ignoredExtensions.contains(extension)) { + return true; + } + boolean isGLFunc = GLExtensionNames.isGLFunction(symbol); + boolean isGLEnum = GLExtensionNames.isGLEnumeration(symbol); + if(isGLFunc || isGLEnum) { + if(GLExtensionNames.isExtensionVEN(symbol, isGLFunc)) { + String extSuffix = GLExtensionNames.getExtensionSuffix(symbol, isGLFunc); + if( getDropUniqVendorExtensions(extSuffix) ) { + if(DEBUG_IGNORES) { + System.err.println("Ignore UniqVendorEXT: "+symbol); + } + return true; + } + } + } + } + return false; + } + + public boolean shouldIgnoreInInterface(String symbol) { + return shouldIgnoreInInterface(symbol, true); + } + + public boolean shouldIgnoreInInterface(String symbol, boolean checkEXT) { + return shouldIgnoreExtension(symbol, checkEXT) || super.shouldIgnoreInInterface(symbol); + } + + public boolean shouldIgnoreInImpl(String symbol) { + return shouldIgnoreInImpl(symbol, true); + } + + public boolean shouldIgnoreInImpl(String symbol, boolean checkEXT) { + return shouldIgnoreExtension(symbol, checkEXT) || super.shouldIgnoreInImpl(symbol); + } + + /** Should we automatically ignore extensions that have already been + fully subsumed into the OpenGL core namespace, and if they have + not been, indicate which definition is not already in the core? */ + public boolean getAutoUnifyExtensions() { + return autoUnifyExtensions; + } + + /** shall the non unified (uniq) vendor extensions be dropped ? */ + public boolean getDropUniqVendorExtensions(String extName) { + return dropUniqVendorExtensions.contains(extName); + } + + /** Returns the kind of buffer object this function deals with, or + null if none. */ + public GLEmitter.BufferObjectKind getBufferObjectKind(String name) { + return (GLEmitter.BufferObjectKind) bufferObjectKinds.get(name); + } + + public boolean isBufferObjectFunction(String name) { + return (getBufferObjectKind(name) != null); + } + + /** Parses any GL headers specified in the configuration file for + the purpose of being able to ignore an extension at a time. */ + public void parseGLHeaders(GlueEmitterControls controls) throws IOException { + if (!glHeaders.isEmpty()) { + glInfo = new BuildStaticGLInfo(); + for (Iterator iter = glHeaders.iterator(); iter.hasNext(); ) { + String file = (String) iter.next(); + String fullPath = controls.findHeaderFile(file); + if (fullPath == null) { + throw new IOException("Unable to locate header file \"" + file + "\""); + } + glInfo.parse(fullPath); + } + } + } + + /** Returns the information about the association between #defines, + function symbols and the OpenGL extensions they are defined + in. */ + public BuildStaticGLInfo getGLInfo() { + return glInfo; + } + + /** Returns the OpenGL extensions that should have all of their + constant definitions and functions renamed into the core + namespace; for example, glGenFramebuffersEXT to + glGenFramebuffers and GL_FRAMEBUFFER_EXT to GL_FRAMEBUFFER. */ + public Set/*<String>*/ getExtensionsRenamedIntoCore() { + return extensionsRenamedIntoCore; + } +} diff --git a/src/java/com/sun/gluegen/opengl/GLEmitter.java b/src/java/com/sun/gluegen/opengl/GLEmitter.java new file mode 100644 index 000000000..fff9d7e94 --- /dev/null +++ b/src/java/com/sun/gluegen/opengl/GLEmitter.java @@ -0,0 +1,407 @@ +/* + * Copyright (c) 2003-2005 Sun Microsystems, Inc. All Rights Reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions are + * met: + * + * - Redistribution of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * + * - Redistribution 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 Sun Microsystems, Inc. or the names of + * contributors may be used to endorse or promote products derived from + * this software without specific prior written permission. + * + * This software is provided "AS IS," without a warranty of any kind. ALL + * EXPRESS OR IMPLIED CONDITIONS, REPRESENTATIONS AND WARRANTIES, + * INCLUDING ANY IMPLIED WARRANTY OF MERCHANTABILITY, FITNESS FOR A + * PARTICULAR PURPOSE OR NON-INFRINGEMENT, ARE HEREBY EXCLUDED. SUN + * MICROSYSTEMS, INC. ("SUN") AND ITS LICENSORS SHALL NOT BE LIABLE FOR + * ANY DAMAGES SUFFERED BY LICENSEE AS A RESULT OF USING, MODIFYING OR + * DISTRIBUTING THIS SOFTWARE OR ITS DERIVATIVES. IN NO EVENT WILL SUN OR + * ITS LICENSORS BE LIABLE FOR ANY LOST REVENUE, PROFIT OR DATA, OR FOR + * DIRECT, INDIRECT, SPECIAL, CONSEQUENTIAL, INCIDENTAL OR PUNITIVE + * DAMAGES, HOWEVER CAUSED AND REGARDLESS OF THE THEORY OF LIABILITY, + * ARISING OUT OF THE USE OF OR INABILITY TO USE THIS SOFTWARE, EVEN IF + * SUN HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES. + * + * You acknowledge that this software is not designed or intended for use + * in the design, construction, operation or maintenance of any nuclear + * facility. + * + * Sun gratefully acknowledges that this software was originally authored + * and developed by Kenneth Bradley Russell and Christopher John Kline. + */ + +package com.sun.gluegen.opengl; + +import java.io.*; +import java.text.MessageFormat; +import java.util.*; +import com.sun.gluegen.*; +import com.sun.gluegen.cgram.types.*; +import com.sun.gluegen.procaddress.*; +import com.sun.gluegen.runtime.*; +import com.sun.gluegen.runtime.opengl.GLExtensionNames; + +/** + * A subclass of ProcAddressEmitter with special OpenGL-specific + * configuration abilities. + */ +public class GLEmitter extends ProcAddressEmitter +{ + // Keeps track of which MethodBindings were created for handling + // Buffer Object variants. Used as a Set rather than a Map. + private Map/*<MethodBinding>*/ bufferObjectMethodBindings = new IdentityHashMap(); + + static class BufferObjectKind { + private BufferObjectKind() {} + + static final BufferObjectKind UNPACK_PIXEL = new BufferObjectKind(); + static final BufferObjectKind PACK_PIXEL = new BufferObjectKind(); + static final BufferObjectKind ARRAY = new BufferObjectKind(); + static final BufferObjectKind ELEMENT = new BufferObjectKind(); + } + + public void beginEmission(GlueEmitterControls controls) throws IOException + { + getGLConfig().parseGLHeaders(controls); + renameExtensionsIntoCore(); + if (getGLConfig().getAutoUnifyExtensions()) { + unifyExtensions(controls); + } + super.beginEmission(controls); + } + + protected void renameExtensionsIntoCore() { + // This method handles renaming of entire extensions into the + // OpenGL core namespace. For example, it is used to move certain + // OpenGL ES (OES) extensions into the core namespace which are + // already in the core namespace in desktop OpenGL. It builds upon + // renaming mechanisms that are built elsewhere. + + GLConfiguration config = getGLConfig(); + BuildStaticGLInfo glInfo = config.getGLInfo(); + for (Iterator iter = config.getExtensionsRenamedIntoCore().iterator(); + iter.hasNext(); ) { + String extension = (String) iter.next(); + Set/*<String>*/ declarations = glInfo.getDeclarations(extension); + if (declarations != null) { + for (Iterator i2 = declarations.iterator(); i2.hasNext(); ) { + String decl = (String) i2.next(); + boolean isGLFunction = GLExtensionNames.isGLFunction(decl); + boolean isGLEnumeration = false; + if (!isGLFunction) { + isGLEnumeration = GLExtensionNames.isGLEnumeration(decl); + } + if (isGLFunction || isGLEnumeration) { + String renamed = GLExtensionNames.normalize(decl, isGLFunction); + if(!renamed.equals(decl)) { + config.addJavaSymbolRename(decl, renamed); + } + } + } + } + } + } + + class ExtensionUnifier implements SymbolFilter { + private List/*<ConstantDefinition>*/ constants; + private List/*<FunctionSymbol>*/ functions; + + public void filterSymbols(List/*<ConstantDefinition>*/ constants, + List/*<FunctionSymbol>*/ functions) { + this.constants = constants; + this.functions = functions; + doWork(); + } + + public List/*<ConstantDefinition>*/ getConstants() { + return constants; + } + + public List/*<FunctionSymbol>*/ getFunctions() { + return functions; + } + + private void doWork() { + BuildStaticGLInfo glInfo = getGLConfig().getGLInfo(); + if (glInfo == null) { + return; + } + // Try to retain a "good" ordering for these symbols + Map/*<String, ConstantDefinition>*/ constantMap = new LinkedHashMap(); + Map/*<String, FunctionSymbol>*/ functionMap = new LinkedHashMap(); + for (Iterator iter = constants.iterator(); iter.hasNext(); ) { + ConstantDefinition def = (ConstantDefinition) iter.next(); + constantMap.put(def.getName(), def); + } + for (Iterator iter = functions.iterator(); iter.hasNext(); ) { + FunctionSymbol sym = (FunctionSymbol) iter.next(); + functionMap.put(sym.getName(), sym); + } + // Go through all of the declared extensions. + // For each extension, look at its #define and function symbols. + // If we find all of the extension's symbols in the core API under + // non-ARB (or whatever is the suffix) names, then remove this extension + // from the public API. If it turns out that we are running on hardware + // that doesn't support the core version of these APIs, the runtime + // will take care of looking up the extension version of these entry + // points. + Set/*<String>*/ extensionNames = glInfo.getExtensions(); + for (Iterator iter1 = extensionNames.iterator(); iter1.hasNext(); ) { + String extension = (String) iter1.next(); + Set/*<String>*/ declarations = glInfo.getDeclarations(extension); + boolean isExtension = true; + boolean shouldUnify = true; + String cause = null; + for (Iterator iter2 = declarations.iterator(); iter2.hasNext(); ) { + String decl = (String) iter2.next(); + boolean isFunc = !decl.startsWith("GL_"); + if (!GLExtensionNames.isExtension(decl, isFunc)) { + isExtension = false; + break; + } + // See whether we're emitting glue code for this + // entry point or definition at all + if (isFunc) { + if (!functionMap.containsKey(decl)) { + isExtension = false; + break; + } + } else { + if (!constantMap.containsKey(decl)) { + isExtension = false; + break; + } + } + cause = decl; + String unifiedName = GLExtensionNames.normalize(decl, isFunc); + // NOTE that we look up the unified name in the + // BuildStaticGLInfo's notion of the APIs -- since + // we might not be emitting glue code for the + // headers that actually contain the core entry + // point. Think of the case where we are parsing the + // GLES2 gl2.h, which contains certain desktop + // OpenGL extensions that have been moved into the + // core, but later generating the implementing glue + // code (not the interface) for the desktop gl.h / + // glext.h. + shouldUnify = (glInfo.getExtension(unifiedName) != null); + // if (isFunc) { + // shouldUnify = functionMap.containsKey(unifiedName); + // } else { + // shouldUnify = constantMap.containsKey(unifiedName); + // } + if (!shouldUnify) { + break; + } + } + if (isExtension) { + if (shouldUnify) { + for (Iterator iter2 = declarations.iterator(); iter2.hasNext(); ) { + String decl = (String) iter2.next(); + boolean isFunc = !decl.startsWith("GL_"); + if (isFunc) { + functionMap.remove(decl); + } else { + constantMap.remove(decl); + } + } + System.err.println("INFO: unified extension " + extension + " into core API"); + } else { + System.err.println("INFO: didn't unify extension " + extension + " into core API because of " + cause); + } + } + } + constants = new ArrayList(); + for (Iterator iter = constantMap.keySet().iterator(); iter.hasNext(); ) { + constants.add(constantMap.get(iter.next())); + } + functions = new ArrayList(); + for (Iterator iter = functionMap.keySet().iterator(); iter.hasNext(); ) { + functions.add(functionMap.get(iter.next())); + } + } + } + + private void unifyExtensions(GlueEmitterControls controls) { + controls.runSymbolFilter(new ExtensionUnifier()); + } + + protected JavaConfiguration createConfig() { + return new GLConfiguration(this); + } + + /** In order to implement Buffer Object variants of certain + functions we generate another MethodBinding which maps the void* + argument to a Java long. The generation of emitters then takes + place as usual. We do however need to keep track of the modified + MethodBinding object so that we can also modify the emitters + later to inform them that their argument has changed. We might + want to push this functionality down into the MethodBinding + (i.e., mutators for argument names). We also would need to + inform the CMethodBindingEmitter that it is overloaded in this + case (though we default to true currently). */ + protected List/*<MethodBinding>*/ expandMethodBinding(MethodBinding binding) { + List/*<MethodBinding>*/ bindings = super.expandMethodBinding(binding); + + if (!getGLConfig().isBufferObjectFunction(binding.getName())) { + return bindings; + } + + List/*<MethodBinding>*/ newBindings = new ArrayList(); + newBindings.addAll(bindings); + + // Need to expand each one of the generated bindings to take a + // Java long instead of a Buffer for each void* argument + for (Iterator iter = bindings.iterator(); iter.hasNext(); ) { + MethodBinding cur = (MethodBinding) iter.next(); + + // Some of these routines (glBitmap) take strongly-typed + // primitive pointers as arguments which are expanded into + // non-void* arguments + // This test (rather than !signatureUsesNIO) is used to catch + // more unexpected situations + if (cur.signatureUsesJavaPrimitiveArrays()) { + continue; + } + + MethodBinding result = cur; + for (int i = 0; i < cur.getNumArguments(); i++) { + if (cur.getJavaArgumentType(i).isNIOBuffer()) { + result = result.replaceJavaArgumentType(i, JavaType.createForClass(Long.TYPE)); + } + } + + if (result == cur) { + throw new RuntimeException("Error: didn't find any void* arguments for BufferObject function " + + binding.getName()); + } + + newBindings.add(result); + // Now need to flag this MethodBinding so that we generate the + // correct flags in the emitters later + bufferObjectMethodBindings.put(result, result); + } + + return newBindings; + } + + protected boolean needsModifiedEmitters(FunctionSymbol sym) { + if ((!needsProcAddressWrapper(sym) && !needsBufferObjectVariant(sym)) || + getConfig().isUnimplemented(sym.getName())) { + return false; + } + + return true; + } + + public boolean isBufferObjectMethodBinding(MethodBinding binding) { + return bufferObjectMethodBindings.containsKey(binding); + } + + //---------------------------------------------------------------------- + // Internals only below this point + // + + protected void generateModifiedEmitters(JavaMethodBindingEmitter baseJavaEmitter, List emitters) { + List superEmitters = new ArrayList(); + super.generateModifiedEmitters(baseJavaEmitter, superEmitters); + + // See whether this is one of the Buffer Object variants + boolean bufferObjectVariant = bufferObjectMethodBindings.containsKey(baseJavaEmitter.getBinding()); + + for (Iterator iter = superEmitters.iterator(); iter.hasNext(); ) { + JavaMethodBindingEmitter emitter = (JavaMethodBindingEmitter) iter.next(); + if (emitter instanceof ProcAddressJavaMethodBindingEmitter) { + emitters.add(new GLJavaMethodBindingEmitter((ProcAddressJavaMethodBindingEmitter) emitter, this, bufferObjectVariant)); + } else { + emitters.add(emitter); + } + } + } + + protected boolean needsBufferObjectVariant(FunctionSymbol sym) { + return getGLConfig().isBufferObjectFunction(sym.getName()); + } + + protected GLConfiguration getGLConfig() { + return (GLConfiguration) getConfig(); + } + + protected void endProcAddressTable() throws Exception + { + PrintWriter w = tableWriter; + + w.println(" /**"); + w.println(" * This is a convenience method to get (by name) the native function"); + w.println(" * pointer for a given function. It lets you avoid having to"); + w.println(" * manually compute the "" + PROCADDRESS_VAR_PREFIX + " + "); + w.println(" * <functionName>" member variable name and look it up via"); + w.println(" * reflection; it also will throw an exception if you try to get the"); + w.println(" * address of an unknown function, or one that is statically linked"); + w.println(" * and therefore does not have a function pointer in this table."); + w.println(" *"); + w.println(" * @throws RuntimeException if the function pointer was not found in"); + w.println(" * this table, either because the function was unknown or because"); + w.println(" * it was statically linked."); + w.println(" */"); + w.println(" public long getAddressFor(String functionNameUsr) {"); + w.println(" String functionNameBase = com.sun.gluegen.runtime.opengl.GLExtensionNames.normalizeVEN(com.sun.gluegen.runtime.opengl.GLExtensionNames.normalizeARB(functionNameUsr, true), true);"); + w.println(" String addressFieldNameBase = " + getProcAddressConfig().gluegenRuntimePackage() + ".ProcAddressHelper.PROCADDRESS_VAR_PREFIX + functionNameBase;"); + w.println(" java.lang.reflect.Field addressField = null;"); + w.println(" int funcNamePermNum = com.sun.gluegen.runtime.opengl.GLExtensionNames.getFuncNamePermutationNumber(functionNameBase);"); + w.println(" for(int i = 0; null==addressField && i < funcNamePermNum; i++) {"); + w.println(" String addressFieldName = com.sun.gluegen.runtime.opengl.GLExtensionNames.getFuncNamePermutation(addressFieldNameBase, i);"); + w.println(" try {"); + w.println(" addressField = getClass().getField(addressFieldName);"); + w.println(" } catch (Exception e) { }"); + w.println(" }"); + w.println(""); + w.println(" if(null==addressField) {"); + w.println(" // The user is calling a bogus function or one which is not"); + w.println(" // runtime linked"); + w.println(" throw new RuntimeException("); + w.println(" \"WARNING: Address field query failed for \\\"\" + functionNameBase + \"\\\"/\\\"\" + functionNameUsr +"); + w.println(" \"\\\"; it's either statically linked or address field is not a known \" +"); + w.println(" \"function\");"); + w.println(" } "); + w.println(" try {"); + w.println(" return addressField.getLong(this);"); + w.println(" } catch (Exception e) {"); + w.println(" throw new RuntimeException("); + w.println(" \"WARNING: Address query failed for \\\"\" + functionNameBase + \"\\\"/\\\"\" + functionNameUsr +"); + w.println(" \"\\\"; it's either statically linked or is not a known \" +"); + w.println(" \"function\", e);"); + w.println(" }"); + w.println(" }"); + + w.println("} // end of class " + tableClassName); + w.flush(); + w.close(); + } + + protected void emitProcAddressTableEntryForSymbol(FunctionSymbol cFunc) + { + emitProcAddressTableEntryForString(cFunc.getName()); + } + + protected void emitProcAddressTableEntryForString(String str) + { + // Deal gracefully with forced proc address generation in the face + // of having the function pointer typedef in the header file too + if (emittedTableEntries.contains(str)) + return; + emittedTableEntries.add(str); + tableWriter.print(" public long "); + tableWriter.print(PROCADDRESS_VAR_PREFIX); + tableWriter.print(str); + tableWriter.println(";"); + } + +} diff --git a/src/java/com/sun/gluegen/opengl/GLJavaMethodBindingEmitter.java b/src/java/com/sun/gluegen/opengl/GLJavaMethodBindingEmitter.java new file mode 100755 index 000000000..c6a030935 --- /dev/null +++ b/src/java/com/sun/gluegen/opengl/GLJavaMethodBindingEmitter.java @@ -0,0 +1,103 @@ +/* + * Copyright (c) 2003-2005 Sun Microsystems, Inc. All Rights Reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions are + * met: + * + * - Redistribution of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * + * - Redistribution 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 Sun Microsystems, Inc. or the names of + * contributors may be used to endorse or promote products derived from + * this software without specific prior written permission. + * + * This software is provided "AS IS," without a warranty of any kind. ALL + * EXPRESS OR IMPLIED CONDITIONS, REPRESENTATIONS AND WARRANTIES, + * INCLUDING ANY IMPLIED WARRANTY OF MERCHANTABILITY, FITNESS FOR A + * PARTICULAR PURPOSE OR NON-INFRINGEMENT, ARE HEREBY EXCLUDED. SUN + * MICROSYSTEMS, INC. ("SUN") AND ITS LICENSORS SHALL NOT BE LIABLE FOR + * ANY DAMAGES SUFFERED BY LICENSEE AS A RESULT OF USING, MODIFYING OR + * DISTRIBUTING THIS SOFTWARE OR ITS DERIVATIVES. IN NO EVENT WILL SUN OR + * ITS LICENSORS BE LIABLE FOR ANY LOST REVENUE, PROFIT OR DATA, OR FOR + * DIRECT, INDIRECT, SPECIAL, CONSEQUENTIAL, INCIDENTAL OR PUNITIVE + * DAMAGES, HOWEVER CAUSED AND REGARDLESS OF THE THEORY OF LIABILITY, + * ARISING OUT OF THE USE OF OR INABILITY TO USE THIS SOFTWARE, EVEN IF + * SUN HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES. + * + * You acknowledge that this software is not designed or intended for use + * in the design, construction, operation or maintenance of any nuclear + * facility. + * + * Sun gratefully acknowledges that this software was originally authored + * and developed by Kenneth Bradley Russell and Christopher John Kline. + */ + +package com.sun.gluegen.opengl; + +import java.io.*; +import java.util.*; +import com.sun.gluegen.*; +import com.sun.gluegen.cgram.types.*; +import com.sun.gluegen.procaddress.*; + +/** A specialization of the proc address emitter which knows how to + change argument names to take into account Vertex Buffer Object / + Pixel Buffer Object variants. */ + +public class GLJavaMethodBindingEmitter extends ProcAddressJavaMethodBindingEmitter { + protected boolean bufferObjectVariant; + protected GLEmitter glEmitter; + + public GLJavaMethodBindingEmitter(JavaMethodBindingEmitter methodToWrap, + boolean callThroughProcAddress, + String getProcAddressTableExpr, + boolean changeNameAndArguments, + boolean bufferObjectVariant, + GLEmitter emitter) { + super(methodToWrap, + callThroughProcAddress, + getProcAddressTableExpr, + changeNameAndArguments, + emitter); + this.bufferObjectVariant = bufferObjectVariant; + this.glEmitter=emitter; + } + + public GLJavaMethodBindingEmitter(ProcAddressJavaMethodBindingEmitter methodToWrap, + GLEmitter emitter, + boolean bufferObjectVariant) { + super(methodToWrap); + this.bufferObjectVariant = bufferObjectVariant; + this.glEmitter=emitter; + } + + public GLJavaMethodBindingEmitter(GLJavaMethodBindingEmitter methodToWrap) { + this(methodToWrap, methodToWrap.glEmitter, methodToWrap.bufferObjectVariant); + } + + protected String getArgumentName(int i) { + String name = super.getArgumentName(i); + + if (!bufferObjectVariant) { + return name; + } + + // Emitters for VBO/PBO-related routines change the outgoing + // argument name for the buffer + if (binding.getJavaArgumentType(i).isLong()) { + Type cType = binding.getCArgumentType(i); + if (cType.isPointer() && + (cType.asPointer().getTargetType().isVoid() || + cType.asPointer().getTargetType().isPrimitive())) { + return name + "_buffer_offset"; + } + } + + return name; + } +} |