Support for NVidia AllocateMemoryNV extension and fixed problem with extensions not being loaded

1 files changed, 70 insertions, 20 deletions

diff --git a/C2J/manual/gl-manualCodedImplJNI1-14.java b/C2J/manual/gl-manualCodedImplJNI1-14.java
index 7e490ba..0fc04ce 100644
--- a/C2J/manual/gl-manualCodedImplJNI1-14.java
+++ b/C2J/manual/gl-manualCodedImplJNI1-14.java
@@ -1,20 +1,70 @@
-/**

- * @(#) GLFunc14JauJNI.java

- */

-

-

-package gl4java;

-

-import java.nio.*;

-

-/**

- * The default implementation class for OpenGL native function mapping

- *

- * @version 	2.00, 21. April 1999

- * @author      Sven Goethel

- */

-public class GLFunc14JauJNI

-	implements GLFunc14 

-{

-

-

+/**
+ * @(#) GLFunc14JauJNI.java
+ */
+
+
+package gl4java;
+
+import java.nio.*;
+import gl4java.utils.DirectBufferCleanup;
+
+/**
+ * The default implementation class for OpenGL native function mapping
+ *
+ * @version 	2.00, 21. April 1999
+ * @author      Sven Goethel
+ */
+public class GLFunc14JauJNI
+	implements GLFunc14 
+{
+
+  //----------------------------------------------------------------------
+  // Special-case routines requiring hand coding
+  //
+
+  /** Access to the underlying wglAllocateMemoryNV or
+      glXAllocateMemoryNV routine, if present. Presence of this
+      routine can be queried by calling GLContext.gljTestGLProc with
+      the argument "glAllocateMemoryNV". */
+  public ByteBuffer glAllocateMemoryNV(int size,
+                                       float readFreq,
+                                       float writeFreq,
+                                       float priority) {
+    long address = glAllocateMemoryNV0(size, readFreq, writeFreq, priority);
+    if (address == 0) {
+      throw new OutOfMemoryError();
+    }
+    ByteBuffer buf = newDirectByteBuffer(address, size);
+    registerForCleanup(this, buf);
+    return buf;
+  }
+  
+  /** This delegates to either wglAllocateMemoryNV or
+      glXAllocateMemoryNV in the native code, depending on the window
+      system */
+  private native long glAllocateMemoryNV0(int size, float readFreq, float writeFreq, float priority);
+
+  /** This delegates to either wglFreeMemoryNV or glXFreeMemoryNV in
+      the native code, depending on the window system */
+  private native void glFreeMemoryNV0(long addr);
+
+  /** Allocate a direct byte buffer pointing at an arbitrary memory
+      address -- must be hidden for security reasons */
+  private native ByteBuffer newDirectByteBuffer(long addr, int capacity);
+
+  private static volatile DirectBufferCleanup cleanup;
+  private static synchronized void registerForCleanup(final GLFunc14JauJNI gl, Buffer buf) {
+    if (cleanup == null) {
+      cleanup = new DirectBufferCleanup(new DirectBufferCleanup.Callback() {
+          public void cleanup(long addr) {
+            gl.glFreeMemoryNV0(addr);
+          }
+        });
+    }
+    cleanup.register(buf);
+  }
+
+  //----------------------------------------------------------------------
+  // All other routines below are autogenerated
+  //
+