1 files changed, 296 insertions, 0 deletions
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;
+    }
+}