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/**
* @(#) 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
//
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