diff options
Diffstat (limited to 'src/java/com/sun/gluegen/opengl')
| -rw-r--r-- | src/java/com/sun/gluegen/opengl/BuildComposablePipeline.java | 1088 | ||||
| -rw-r--r-- | src/java/com/sun/gluegen/opengl/BuildStaticGLInfo.java | 346 | ||||
| -rwxr-xr-x | src/java/com/sun/gluegen/opengl/GLConfiguration.java | 296 | ||||
| -rw-r--r-- | src/java/com/sun/gluegen/opengl/GLEmitter.java | 455 | ||||
| -rwxr-xr-x | src/java/com/sun/gluegen/opengl/GLJavaMethodBindingEmitter.java | 123 |
5 files changed, 2308 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..270a1243a --- /dev/null +++ b/src/java/com/sun/gluegen/opengl/BuildComposablePipeline.java @@ -0,0 +1,1088 @@ +/* + * 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.nio.Buffer; +import java.util.*; +import java.util.ArrayList; + +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; + // 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 = Arrays.asList(classToComposeAround.getMethods()); + + Set<PlainMethod> publicMethodsPlain = new HashSet<PlainMethod>(); + for (Iterator<Method> iter = publicMethodsRaw.iterator(); iter.hasNext();) { + 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; + + PlainMethod(Method m, boolean runHooks) { + this.m = m; + this.runHooks = runHooks; + } + + public Method getWrappedMethod() { + return m; + } + + public boolean runHooks() { + return runHooks; + } + + @Override + 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; + } + + @Override + 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; + } + + @Override + public String toString() { + Class<?>[] args = m.getParameterTypes(); + StringBuilder argsString = new StringBuilder(); + 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. + */ + 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<PlainMethod> 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))); + + List<Class<?>> baseInterfaces = Arrays.asList(baseInterfaceClass.getInterfaces()); + HashSet<Class<?>> clazzList = new HashSet<Class<?>>(); + clazzList.add(baseInterfaceClass); + clazzList.addAll(baseInterfaces); + int ifNamesNumber = clazzList.size(); + + // keep original order .. + clazzList.clear(); + String[] ifNames = new String[ifNamesNumber]; + { + int i = 0; + + for (Iterator<Class<?>> iter = baseInterfaces.iterator(); iter.hasNext();) { + Class<?> ifClass = iter.next(); + if (!clazzList.contains(ifClass)) { + ifNames[i++] = ifClass.getName(); + clazzList.add(ifClass); + } + } + + if (null != baseInterfaceClass && !clazzList.contains(baseInterfaceClass)) { + ifNames[i++] = baseInterfaceClass.getName(); + clazzList.add(baseInterfaceClass); + } + } + + clazzList.add(downstreamClass); + if (null != prologClassOpt) { + clazzList.add(prologClassOpt); + } + + ArrayList<String> imports = new ArrayList<String>(); + imports.add("java.io.*"); + imports.add("javax.media.opengl.*"); + imports.add("com.jogamp.gluegen.runtime.*"); + imports.add(Buffer.class.getPackage().getName()+".*"); + for (Class<?> clasS : clazzList) { + imports.add(clasS.getName()); + } + + CodeGenUtils.emitJavaHeaders(output, + outputPackage, + outputClassName, + true, + imports, + 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 = 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) { + StringBuilder buf = new StringBuilder(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.jogamp.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, "GL4bc"); + emitGLIsMethod(output, "GL4"); + emitGLIsMethod(output, "GL3bc"); + emitGLIsMethod(output, "GL3"); + emitGLIsMethod(output, "GL2"); + emitGLIsMethod(output, "GLES1"); + emitGLIsMethod(output, "GLES2"); + emitGLIsMethod(output, "GL2ES1"); + emitGLIsMethod(output, "GL2ES2"); + emitGLIsMethod(output, "GL2GL3"); + 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, "GL4bc"); + emitGLGetMethod(output, "GL4"); + emitGLGetMethod(output, "GL3bc"); + emitGLGetMethod(output, "GL3"); + emitGLGetMethod(output, "GL2"); + emitGLGetMethod(output, "GLES1"); + emitGLGetMethod(output, "GLES2"); + emitGLGetMethod(output, "GL2ES1"); + emitGLGetMethod(output, "GL2ES2"); + emitGLGetMethod(output, "GL2GL3"); + output.println(" public GLProfile getGLProfile() {"); + output.println(" return " + getDownstreamObjectName() + ".getGLProfile();"); + output.println(" }"); + } + } // end class PipelineEmitter + + //------------------------------------------------------- + protected class CustomPipeline extends PipelineEmitter { + + String className; + int mode; + + 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; + } + + @Override + 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(); + } + + @Override + 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(" GL gl = drawable.setGL( new " + className + "( drawable.getGL().getGL2ES2(), new " + prologNameOpt + "( drawable.getGL().getGL2ES2() ) ) );"); + } else { + output.println(" GL gl = 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; + + 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; + } + + @Override + 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(); + } + + @Override + 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(" GL gl = 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; + + 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; + } + + @Override + 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(); + } + + @Override + 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(" GL gl = 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(" print("); + 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..2be5519fe --- /dev/null +++ b/src/java/com/sun/gluegen/opengl/BuildStaticGLInfo.java @@ -0,0 +1,346 @@ +/* + * 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 int funcIdentifierGroup = 10; + protected static Pattern funcPattern = + Pattern.compile("^(GLAPI|GL_API|GL_APICALL|EGLAPI|extern)?(\\s*)((unsigned|const)\\s+)?(\\w+)(\\s*\\*)?(\\s+)(GLAPIENTRY|GL_APIENTRY|APIENTRY|EGLAPIENTRY|WINAPI)?(\\s*)([ew]?gl\\w+)\\s?(\\(.*)"); + + protected static Pattern associationPattern = + Pattern.compile("\\#ifndef ([CEW]?GL[XU]?_[A-Za-z0-9_]+)(.*)"); + + protected static int defineIdentifierGroup = 1; + protected static Pattern definePattern = + Pattern.compile("\\#define ([CEW]?GL[XU]?_[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<String, String> declarationToExtensionMap = new HashMap<String, String>(); + + // Maps extension names to Set of identifiers (both #defines and + // function names) this extension declares + protected Map<String, Set<String>> extensionToDeclarationMap = new HashMap<String, Set<String>>(); + protected boolean debug = false; + + /** + * 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(); + builder.setDebug(true); + 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) { + StringBuilder buf = new StringBuilder("{ "); + 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); + } + } + + public void setDebug(boolean v) { + debug = v; + } + + /** 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) { + int type = 0; // 1-define, 2-function + // 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(funcIdentifierGroup).trim(); + type = 2; + } else if ((m = definePattern.matcher(line)).matches()) { + identifier = m.group(defineIdentifierGroup).trim(); + type = 1; + } else if (line.startsWith("#endif")) { + if (debug) { + System.err.println("END ASSOCIATION BLOCK: <" + activeAssociation + ">"); + } + activeAssociation = null; + } + if ((identifier != null) + && (activeAssociation != null) + && // Handles #ifndef GL_... #define GL_... + !identifier.equals(activeAssociation)) { + addAssociation(identifier, activeAssociation); + if (debug) { + System.err.println(" ADDING ASSOCIATION: <" + identifier + "> <" + activeAssociation + "> ; type " + type); + } + } + } else if ((m = associationPattern.matcher(line)).matches()) { + // found a new #ifndef GL_XXX block + activeAssociation = m.group(1).trim(); + + if (debug) { + System.err.println("BEGIN ASSOCIATION BLOCK: <" + activeAssociation + ">"); + } + } + } + reader.close(); + } + + public void dump() { + for (String name : extensionToDeclarationMap.keySet()) { + Set<String> decls = extensionToDeclarationMap.get(name); + System.out.println("<" + name + "> :"); + List<String> l = new ArrayList<String>(); + l.addAll(decls); + Collections.sort(l); + for (String str : l) { + System.out.println(" <" + str + ">"); + } + } + } + + public String getExtension(String identifier) { + return declarationToExtensionMap.get(identifier); + } + + public Set<String> getDeclarations(String extension) { + return 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.jogamp.gluegen.runtime.opengl.GLExtensionNames.getFuncNamePermutationNumber(glFunctionName);"); + output.println(" for(int i = 0; null==mappedName && i < funcNamePermNum; i++) {"); + output.println(" String tmp = com.jogamp.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 (String name : declarationToExtensionMap.keySet()) { + if (!name.startsWith("GL")) { + ++maxCapacity; + } + } + + output.println(" funcToAssocMap = new HashMap(" + maxCapacity + "); // approximate max capacity"); + output.println(" String group;"); + ArrayList<String> sets = new ArrayList<String>(extensionToDeclarationMap.keySet()); + Collections.sort(sets); + for (String groupName : sets) { + Set<String> funcs = extensionToDeclarationMap.get(groupName); + List<String> l = new ArrayList<String>(); + l.addAll(funcs); + Collections.sort(l); + Iterator<String> funcIter = l.iterator(); + boolean printedHeader = false; + while (funcIter.hasNext()) { + String funcName = 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 = 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..d712e902d --- /dev/null +++ b/src/java/com/sun/gluegen/opengl/GLConfiguration.java @@ -0,0 +1,296 @@ +/* + * 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.jogamp.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<String>(); + private Set<String> ignoredExtensions = new HashSet<String>(); + private Set<String> extensionsRenamedIntoCore = new HashSet<String>(); + private BuildStaticGLInfo glInfo; + + // Maps function names to the kind of buffer object it deals with + private Map<String, GLEmitter.BufferObjectKind> bufferObjectKinds = new HashMap<String, GLEmitter.BufferObjectKind>(); + private GLEmitter emitter; + private Set<String> dropUniqVendorExtensions = new HashSet<String>(); + + // 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 = false; + private boolean allowNonGLExtensions = false; + + public GLConfiguration(GLEmitter emitter) { + super(); + this.emitter = emitter; + try { + setProcAddressNameExpr("PFN $UPPERCASE({0}) PROC"); + } catch (NoSuchElementException e) { + throw new RuntimeException("Error configuring ProcAddressNameExpr", e); + } + } + + @Override + 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("AllowNonGLExtensions")) { + allowNonGLExtensions = readBoolean("AllowNonGLExtensions", tok, filename, lineNo).booleanValue(); + } 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. */ + @Override + 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<String> res2 = new ArrayList<String>(); + 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<String> iter = res.iterator(); iter.hasNext();) { + String line = iter.next(); + if (line.indexOf("Buffers.rangeCheck") >= 0) { + iter.remove(); + } + } + } + } + + return res; + } + + @Override + public void dumpIgnores() { + System.err.println("GL Ignored extensions: "); + for (String str : ignoredExtensions) { + System.err.println("\t" + str); + } + 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 isGLEnum = GLExtensionNames.isGLEnumeration(symbol); + boolean isGLFunc = GLExtensionNames.isGLFunction(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 + ", vendor " + extSuffix); + } + return true; + } + } + } + } + return false; + } + + @Override + public boolean shouldIgnoreInInterface(String symbol) { + return shouldIgnoreInInterface(symbol, true); + } + + public boolean shouldIgnoreInInterface(String symbol, boolean checkEXT) { + return shouldIgnoreExtension(symbol, checkEXT) || super.shouldIgnoreInInterface(symbol); + } + + @Override + 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; + } + + /** If true, accept all non encapsulated defines and functions, + * as it is mandatory for GL declarations. */ + public boolean getAllowNonGLExtensions() { + return allowNonGLExtensions; + } + + /** 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. */ + GLEmitter.BufferObjectKind getBufferObjectKind(String name) { + return 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 (String file : glHeaders) { + 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..b5df6ff2d --- /dev/null +++ b/src/java/com/sun/gluegen/opengl/GLEmitter.java @@ -0,0 +1,455 @@ +/* + * 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.*; +import com.jogamp.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, MethodBinding> bufferObjectMethodBindings = new IdentityHashMap<MethodBinding, MethodBinding>(); + + enum BufferObjectKind { UNPACK_PIXEL, PACK_PIXEL, ARRAY, ELEMENT} + + @Override + 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(); + Set<String> extensionsRenamedIntoCore = config.getExtensionsRenamedIntoCore(); + BuildStaticGLInfo glInfo = config.getGLInfo(); + if (null == glInfo) { + if (extensionsRenamedIntoCore.size() > 0) { + throw new RuntimeException("ExtensionRenamedIntoCore (num: " + extensionsRenamedIntoCore.size() + "), but no GLHeader"); + } + return; + } + for (String extension : extensionsRenamedIntoCore) { + Set<String> declarations = glInfo.getDeclarations(extension); + if (declarations != null) { + for (Iterator<String> iterator = declarations.iterator(); iterator.hasNext();) { + String decl = iterator.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<String, ConstantDefinition>(); + for (ConstantDefinition def : constants) { + constantMap.put(def.getName(), def); + } + Map<String, FunctionSymbol> functionMap = new LinkedHashMap<String, FunctionSymbol>(); + for (FunctionSymbol sym : functions) { + 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 (String extension : extensionNames) { + Set<String> declarations = glInfo.getDeclarations(extension); + boolean isExtension = true; + boolean shouldUnify = true; + String cause = null; + for (String decl : declarations) { + 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 (String decl : declarations) { + 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<ConstantDefinition>(constantMap.values()); + functions = new ArrayList<FunctionSymbol>(functionMap.values()); + } + } + + private void unifyExtensions(GlueEmitterControls controls) { + controls.runSymbolFilter(new ExtensionUnifier()); + } + + @Override + 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). */ + @Override + protected List<MethodBinding> expandMethodBinding(MethodBinding binding) { + List<MethodBinding> bindings = super.expandMethodBinding(binding); + + if (!getGLConfig().isBufferObjectFunction(binding.getName())) { + return bindings; + } + + List<MethodBinding> newBindings = new ArrayList<MethodBinding>(bindings); + + // Need to expand each one of the generated bindings to take a + // Java long instead of a Buffer for each void* argument + + for (MethodBinding cur : bindings) { + + // 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; + } + + @Override + 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); + } + + @Override + public void emitDefine(ConstantDefinition def, String optionalComment) throws Exception { + BuildStaticGLInfo glInfo = getGLConfig().getGLInfo(); + if (null == glInfo) { + throw new Exception("No GLInfo for: " + def); + } + String symbolRenamed = def.getName(); + StringBuilder newComment = new StringBuilder(); + newComment.append("Part of <code>"); + if (0 == addExtensionsOfSymbols2Buffer(newComment, ", ", symbolRenamed, def.getAliasedNames())) { + if (def.isEnum()) { + String enumName = def.getEnumName(); + if (null != enumName) { + newComment.append(enumName); + } else { + newComment.append("CORE ENUM"); + } + } else { + if (getGLConfig().getAllowNonGLExtensions()) { + newComment.append("CORE DEF"); + } else { + // Note: All GL defines must be contained within an extension marker ! + // #ifndef GL_EXT_lala + // #define GL_EXT_lala 1 + // ... + // #endif + if (JavaConfiguration.DEBUG_IGNORES) { + StringBuilder sb = new StringBuilder(); + JavaEmitter.addStrings2Buffer(sb, ", ", symbolRenamed, def.getAliasedNames()); + System.err.println("Dropping marker: " + sb.toString()); + } + return; + } + } + } + newComment.append("</code>"); + + if (null != optionalComment) { + newComment.append("<br>"); + newComment.append(optionalComment); + } + + super.emitDefine(def, newComment.toString()); + } + + public int addExtensionsOfSymbols2Buffer(StringBuilder buf, String sep, String first, Collection<String> col) { + BuildStaticGLInfo glInfo = getGLConfig().getGLInfo(); + if (null == glInfo) { + throw new RuntimeException("No GLInfo for: " + first); + } + int num = 0; + if (null == buf) { + buf = new StringBuilder(); + } + String extensionName; + + Iterator<String> iter = col.iterator(); + if (null != first) { + extensionName = glInfo.getExtension(first); + if (null != extensionName) { + buf.append(extensionName); + if (iter.hasNext()) { + buf.append(sep); + } + num++; + } + } + while (iter.hasNext()) { + extensionName = glInfo.getExtension(iter.next()); + if (null != extensionName) { + buf.append(extensionName); + if (iter.hasNext()) { + buf.append(sep); + } + num++; + } + } + return num; + } + + //---------------------------------------------------------------------- + // Internals only below this point + // + @Override + protected void generateModifiedEmitters(JavaMethodBindingEmitter baseJavaEmitter, List<FunctionEmitter> emitters) { + List<FunctionEmitter> superEmitters = new ArrayList<FunctionEmitter>(); + super.generateModifiedEmitters(baseJavaEmitter, superEmitters); + + // See whether this is one of the Buffer Object variants + boolean bufferObjectVariant = bufferObjectMethodBindings.containsKey(baseJavaEmitter.getBinding()); + + for (FunctionEmitter emitter : superEmitters) { + if (emitter instanceof ProcAddressJavaMethodBindingEmitter) { + emitter = new GLJavaMethodBindingEmitter((ProcAddressJavaMethodBindingEmitter) emitter, this, bufferObjectVariant); + } + emitters.add(emitter); + } + } + + protected boolean needsBufferObjectVariant(FunctionSymbol sym) { + return getGLConfig().isBufferObjectFunction(sym.getName()); + } + + protected GLConfiguration getGLConfig() { + return (GLConfiguration) getConfig(); + } + + @Override + 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 = "+GLExtensionNames.class.getName()+".normalizeVEN(com.jogamp.gluegen.runtime.opengl.GLExtensionNames.normalizeARB(functionNameUsr, true), true);"); + w.println(" String addressFieldNameBase = PROCADDRESS_VAR_PREFIX + functionNameBase;"); + w.println(" java.lang.reflect.Field addressField = null;"); + w.println(" int funcNamePermNum = "+GLExtensionNames.class.getName()+".getFuncNamePermutationNumber(functionNameBase);"); + w.println(" for(int i = 0; null==addressField && i < funcNamePermNum; i++) {"); + w.println(" String addressFieldName = "+GLExtensionNames.class.getName()+".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(); + } +} 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..51182c153 --- /dev/null +++ b/src/java/com/sun/gluegen/opengl/GLJavaMethodBindingEmitter.java @@ -0,0 +1,123 @@ +/* + * 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 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; + protected CommentEmitter glCommentEmitter = new GLCommentEmitter(); + + 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; + setCommentEmitter(glCommentEmitter); + } + + public GLJavaMethodBindingEmitter(ProcAddressJavaMethodBindingEmitter methodToWrap, GLEmitter emitter, boolean bufferObjectVariant) { + super(methodToWrap); + this.bufferObjectVariant = bufferObjectVariant; + this.glEmitter = emitter; + setCommentEmitter(glCommentEmitter); + } + + public GLJavaMethodBindingEmitter(GLJavaMethodBindingEmitter methodToWrap) { + this(methodToWrap, methodToWrap.glEmitter, methodToWrap.bufferObjectVariant); + } + + @Override + 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); + Type targetType = cType.asPointer().getTargetType(); + if (cType.isPointer() && (targetType.isVoid() || targetType.isPrimitive())) { + return name + "_buffer_offset"; + } + } + + return name; + } + + protected class GLCommentEmitter extends JavaMethodBindingEmitter.DefaultCommentEmitter { + + @Override + protected void emitBindingCSignature(MethodBinding binding, PrintWriter writer) { + + super.emitBindingCSignature(binding, writer); + + String symbolRenamed = binding.getName(); + StringBuilder newComment = new StringBuilder(); + + newComment.append("<br>Part of <code>"); + if (0 == glEmitter.addExtensionsOfSymbols2Buffer(newComment, ", ", symbolRenamed, binding.getAliasedNames())) { + if (glEmitter.getGLConfig().getAllowNonGLExtensions()) { + newComment.append("CORE FUNC"); + } else { + StringBuilder sb = new StringBuilder(); + JavaEmitter.addStrings2Buffer(sb, ", ", symbolRenamed, binding.getAliasedNames()); + RuntimeException ex = new RuntimeException("Couldn't find extension to: " + binding + " ; " + sb.toString()); + glEmitter.getGLConfig().getGLInfo().dump(); + // glEmitter.getGLConfig().dumpRenames(); + throw ex; + } + } + newComment.append("</code>"); + writer.print(newComment.toString()); + } + } +} |