155 lines
6.7 KiB
Java
155 lines
6.7 KiB
Java
/*
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* Copyright (c) 2002-2008 LWJGL Project
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are
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* met:
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*
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* * Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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*
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* * Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* * Neither the name of 'LWJGL' nor the names of
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* its contributors may be used to endorse or promote products derived
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* from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
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* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
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* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
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* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
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* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
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* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
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* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
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* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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package org.lwjgl.util.generator.opencl;
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import org.lwjgl.PointerWrapper;
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import org.lwjgl.util.generator.Extension;
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import org.lwjgl.util.generator.Private;
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import org.lwjgl.util.generator.Utils;
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import java.io.PrintWriter;
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import java.lang.annotation.Annotation;
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import java.util.Set;
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import javax.annotation.processing.ProcessingEnvironment;
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import javax.lang.model.element.TypeElement;
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/**
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* CL platform/device capabilities generator.
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*
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* @author Spasi
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*/
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public final class CLPDCapabilitiesGenerator {
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// TODO: Add future versions here
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private static final int[][] CL_VERSIONS = {
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{ 1, 2 }, // OpenCL 1
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};
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static void generateClassPrologue(final PrintWriter writer, final String name) {
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writer.println("public final class " + name + " {");
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writer.println();
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writer.println("\tpublic final int majorVersion;");
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writer.println("\tpublic final int minorVersion;");
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writer.println();
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for ( int major = 1; major <= CL_VERSIONS.length; major++ ) {
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for ( final int minor : CL_VERSIONS[major - 1] )
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writer.println("\tpublic final boolean OpenCL" + Integer.toString(major) + Integer.toString(minor) + ";");
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}
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writer.println();
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}
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static void generateExtensions(final PrintWriter writer, final TypeElement d) {
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writer.print("\t");
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if ( d.getAnnotation(Private.class) == null )
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writer.print("public ");
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writer.println("final boolean " + CLGeneratorProcessor.getExtensionName(d.getSimpleName().toString()) + ";");
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}
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static void generateConstructor(ProcessingEnvironment env, final PrintWriter writer, final Set<? extends TypeElement> templates,
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final Class<? extends Annotation> capsType, final String capsName,
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final Class<? extends PointerWrapper> objectType, final String objectName) {
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writer.println("\tpublic " + capsName + "(final " + objectType.getSimpleName() + ' ' + objectName + ") {");
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writer.println("\t\tfinal String extensionList = " + objectName + ".getInfoString(CL10.CL_" + objectName.toUpperCase() + "_EXTENSIONS);\n" +
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"\t\tfinal String version = " + objectName + ".getInfoString(CL10.CL_" + objectName.toUpperCase() + "_VERSION);\n" +
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"\t\tif ( !version.startsWith(\"OpenCL \") )\n" +
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"\t\t\tthrow new RuntimeException(\"Invalid OpenCL version string: \" + version);\n\n" +
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"\t\ttry {\n" +
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"\t\t\tfinal StringTokenizer tokenizer = new StringTokenizer(version.substring(7), \". \");\n" +
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"\n" +
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"\t\t\tmajorVersion = Integer.parseInt(tokenizer.nextToken());\n" +
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"\t\t\tminorVersion = Integer.parseInt(tokenizer.nextToken());\n");
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for ( int major = 1; major <= CL_VERSIONS.length; major++ ) {
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for ( final int minor : CL_VERSIONS[major - 1] )
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writer.println("\t\t\tOpenCL" + Integer.toString(major) + Integer.toString(minor) + " = " + major + " < majorVersion || (" + major + " == majorVersion && " + minor + " <= minorVersion);");
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}
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writer.println("\t\t} catch (RuntimeException e) {\n" +
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"\t\t\tthrow new RuntimeException(\"The major and/or minor OpenCL version \\\"\" + version + \"\\\" is malformed: \" + e.getMessage());\n" +
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"\t\t}\n");
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writer.println("\t\tfinal Set<String> extensions = APIUtil.getExtensions(extensionList);");
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for ( final TypeElement t : templates ) {
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if ( t.getAnnotation(capsType) == null )
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continue;
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final String extName = CLGeneratorProcessor.getExtensionName(t.getSimpleName().toString());
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String nativeName = extName.toLowerCase();
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Extension ext = t.getAnnotation(Extension.class);
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if ( ext != null && !ext.nativeName().isEmpty() )
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nativeName = ext.nativeName();
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writer.print("\t\t" + extName + " = extensions.contains(\"" + nativeName + "\")");
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if ( !Utils.getMethods(t).isEmpty() )
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writer.print(" && CLCapabilities." + extName);
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writer.println(";");
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}
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writer.println("\t}\n");
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}
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public static void generateGetters(final PrintWriter writer) {
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writer.println("\tpublic int getMajorVersion() {");
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writer.println("\t\treturn majorVersion;");
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writer.println("\t}\n");
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writer.println("\tpublic int getMinorVersion() {");
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writer.println("\t\treturn minorVersion;");
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writer.println("\t}\n");
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}
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public static void generateToString(final PrintWriter writer, final Set<? extends TypeElement> templates, final Class<? extends Annotation> capsType) {
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writer.println("\tpublic String toString() {");
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writer.println("\t\tfinal StringBuilder buf = new StringBuilder();\n");
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writer.println("\t\tbuf.append(\"OpenCL \").append(majorVersion).append('.').append(minorVersion);");
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writer.println();
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writer.println("\t\tbuf.append(\" - Extensions: \");");
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for ( final TypeElement t : templates ) {
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if ( t.getAnnotation(capsType) == null )
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continue;
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writer.println("\t\tif ( " + CLGeneratorProcessor.getExtensionName(t.getSimpleName().toString()) + " ) buf.append(\"" + CLGeneratorProcessor.getExtensionName(t.getSimpleName().toString()).toLowerCase() + " \");");
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}
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writer.println("\n\t\treturn buf.toString();");
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writer.println("\t}\n");
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}
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}
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