Initial revision

git-svn-id: file:///usr/local/projects/SUN/JOGL/git-svn/svn-server-sync/jogl/trunk@3 232f8b59-042b-4e1e-8c03-345bb8c30851

1 files changed, 201 insertions, 0 deletions

diff --git a/src/net/java/games/gluegen/opengl/CGLPAWrapperEmitter.java b/src/net/java/games/gluegen/opengl/CGLPAWrapperEmitter.java
new file mode 100644
index 000000000..cd0554dc3
--- /dev/null
+++ b/src/net/java/games/gluegen/opengl/CGLPAWrapperEmitter.java
@@ -0,0 +1,201 @@
+/*
+ * 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
+ * MIDROSYSTEMS, 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 net.java.games.gluegen.opengl;
+
+import java.io.*;
+import java.util.*;
+import net.java.games.gluegen.*;
+import net.java.games.gluegen.cgram.types.*;
+
+public class CGLPAWrapperEmitter extends CMethodBindingEmitter
+{
+  private static final CommentEmitter defaultCommentEmitter =
+    new CGLPAWrapperCommentEmitter();
+
+  private CMethodBindingEmitter emitterBeingWrapped;
+  private String glFuncPtrTypedefValue;
+  private static String procAddressJavaTypeName =
+    JavaType.createForClass(Long.TYPE).jniTypeName();
+
+  public CGLPAWrapperEmitter(CMethodBindingEmitter methodToWrap)
+  {    
+    super(
+      new MethodBinding(methodToWrap.getBinding()) {
+        public String getName() {
+          return GLEmitter.WRAP_PREFIX + super.getName();
+        }
+      },
+      methodToWrap.getIsOverloadedBinding(),
+      methodToWrap.getJavaPackageName(),
+      methodToWrap.getJavaClassName(),
+      methodToWrap.getIsJavaMethodStatic(),
+      methodToWrap.getDefaultOutput()
+      );
+    
+    setCommentEmitter(defaultCommentEmitter);
+  }
+  
+  protected int emitArguments(PrintWriter writer)
+  {
+    int numEmitted = super.emitArguments(writer);
+    if (numEmitted > 0)
+    {
+      writer.print(", ");
+    }
+    //writer.print("long glProcAddress");
+    writer.print(procAddressJavaTypeName);
+    writer.print(" glProcAddress");
+    ++numEmitted;
+
+    return numEmitted;
+  }
+
+  protected void emitBodyVariableDeclarations(PrintWriter writer)
+  {
+    // create variable for the function pointer with the right type, and set
+    // it to the value of the passed-in glProcAddress 
+    FunctionSymbol cSym = getBinding().getCSymbol();
+    String funcPointerTypedefName =
+      GLEmitter.getGLFunctionPointerTypedefName(cSym);
+    
+    writer.print("  ");
+    writer.print(funcPointerTypedefName);
+    writer.print(" ptr_");
+    writer.print(cSym.getName());
+    writer.println(";");
+
+    super.emitBodyVariableDeclarations(writer);
+  }
+
+  protected void emitBodyVariablePreCallSetup(PrintWriter writer)
+  {
+    super.emitBodyVariablePreCallSetup(writer);
+
+    // set the function pointer to the value of the passed-in glProcAddress
+    FunctionSymbol cSym = getBinding().getCSymbol();
+    String funcPointerTypedefName =
+      GLEmitter.getGLFunctionPointerTypedefName(cSym);
+
+    String ptrVarName = "ptr_" + cSym.getName();
+    
+    writer.print("  ");
+    writer.print(ptrVarName);
+    writer.print(" = (");
+    writer.print(funcPointerTypedefName);
+    writer.println(") (intptr_t) glProcAddress;");
+
+    writer.println("  assert(" + ptrVarName + " != NULL);");
+  }
+
+  // FIXME: refactor this and the superclass version so we don't have to copy
+  // the whole function
+  protected void emitBodyCallCFunction(PrintWriter writer)
+  {
+    // Make the call to the actual C function
+    writer.print("  ");
+
+    // WARNING: this code assumes that the return type has already been
+    // typedef-resolved.
+    Type cReturnType = getBinding().getCReturnType();
+
+    if (!cReturnType.isVoid()) {
+      writer.print("_res = ");
+    }
+
+    // !!!!!!!!! BEGIN CHANGES FROM SUPERCLASS METHOD
+
+    MethodBinding binding = getBinding();
+    if (binding.hasContainingType()) {
+      // Cannot call GL func through function pointer
+      throw new IllegalStateException(
+        "Cannot call GL func through function pointer: " + binding);
+    }
+
+    // call throught the run-time function pointer
+    writer.print("(* ptr_");
+    writer.print(binding.getCSymbol().getName());
+    writer.print(") ");
+    
+    // !!!!!!!!! END CHANGES FROM SUPERCLASS METHOD 
+  
+    
+    writer.print("(");
+    for (int i = 0; i < binding.getNumArguments(); i++) {
+      if (i != 0) {
+        writer.print(", ");
+      }
+      JavaType javaType = binding.getJavaArgumentType(i);
+      // Handle case where only param is void.
+      if (javaType.isVoid()) {
+        // Make sure this is the only param to the method; if it isn't,
+        // there's something wrong with our parsing of the headers.
+        assert(binding.getNumArguments() == 1);
+        continue;
+      } 
+
+      if (javaType.isJNIEnv()) {
+        writer.print("env");
+      } else if (binding.isArgumentThisPointer(i)) {
+        writer.print(CMethodBindingEmitter.cThisArgumentName());
+      } else {
+        writer.print("(");
+        writer.print(binding.getCSymbol().getArgumentType(i).getName());
+        writer.print(") ");
+        if (binding.getCArgumentType(i).isPointer() && binding.getJavaArgumentType(i).isPrimitive()) {
+          writer.print("(intptr_t) ");
+        }
+        if (javaType.isArray() || javaType.isNIOBuffer()) {
+          writer.print(pointerConversionArgumentName(i));
+        } else {
+          if (javaType.isString()) { writer.print("_UTF8"); }
+          writer.print(binding.getArgumentName(i));          
+        }
+      }
+    }
+    writer.println(");");
+  }
+
+  /** This class emits the comment for the wrapper method */
+  private static class CGLPAWrapperCommentEmitter extends CMethodBindingEmitter.DefaultCommentEmitter {
+    protected void emitBeginning(FunctionEmitter methodEmitter, PrintWriter writer) {
+      writer.print(" -- FIXME: IMPLEMENT COMMENT FOR CGLPAWrapperCommentEmitter -- ");
+    }
+  }
+} // end class CGLPAWrapperEmitter