Copied JOGL_2_SANDBOX r1957 on to trunk; JOGL_2_SANDBOX branch is now closed

git-svn-id: file:///usr/local/projects/SUN/JOGL/git-svn/svn-server-sync/jogl/trunk@1959 232f8b59-042b-4e1e-8c03-345bb8c30851

1 files changed, 254 insertions, 0 deletions

diff --git a/make/config/jogl/glu-CustomJavaCode-gl2es1.java b/make/config/jogl/glu-CustomJavaCode-gl2es1.java
new file mode 100755
index 000000000..8afc28c15
--- /dev/null
+++ b/make/config/jogl/glu-CustomJavaCode-gl2es1.java
@@ -0,0 +1,254 @@
+/*
+private static boolean useJavaMipmapCode = true;
+
+static {
+  AccessController.doPrivileged(new PrivilegedAction() {
+      public Object run() {
+        String val = System.getProperty("jogl.glu.nojava");
+        if (val != null && !val.toLowerCase().equals("false")) {
+          useJavaMipmapCode = false;
+        }
+        return null;
+      }
+    });
+}
+*/
+
+/**
+ * Instantiates a new OpenGL Utility Library object. A GLU object may
+ * be instantiated at any point in the application and is not
+ * inherently tied to any particular OpenGL context; however, the GLU
+ * object may only be used when an OpenGL context is current on the
+ * current thread. Attempts to call most of the methods in the GLU
+ * library when no OpenGL context is current will cause an exception
+ * to be thrown.
+ *
+ * <P>
+ *
+ * The returned GLU object is not guaranteed to be thread-safe and
+ * should only be used from one thread at a time. Multiple GLU objects
+ * may be instantiated to be used from different threads
+ * simultaneously.
+ */
+
+public GLUgl2es1()
+{
+  super();
+}
+
+public void destroy() {
+  super.destroy();
+}
+
+//----------------------------------------------------------------------
+// Utility routines
+//
+
+public static final GL2ES1 getCurrentGL2ES1() throws GLException {
+  GLContext curContext = GLContext.getCurrent();
+  if (curContext == null) {
+    throw new GLException("No OpenGL context current on this thread");
+  }
+  return curContext.getGL().getGL2ES1();
+}
+
+
+/*
+public String gluErrorString(int errorCode) {
+  return Error.gluErrorString(errorCode);
+}
+*/
+
+/* extName is an extension name.
+ * extString is a string of extensions separated by blank(s). There may or 
+ * may not be leading or trailing blank(s) in extString.
+ * This works in cases of extensions being prefixes of another like
+ * GL_EXT_texture and GL_EXT_texture3D.
+ * Returns true if extName is found otherwise it returns false.
+ */
+/*
+public boolean gluCheckExtension(java.lang.String extName, java.lang.String extString) {
+  return Registry.gluCheckExtension(extName, extString);
+}
+*/
+
+/*
+public String gluGetString(int name) {
+  return Registry.gluGetString(name);
+}
+*/
+
+//----------------------------------------------------------------------
+// Mipmap and image scaling functionality
+
+protected static boolean availableMipmap = false;
+protected static boolean checkedMipmap = false;
+
+protected static final void validateMipmap() {
+    if(!checkedMipmap) {
+        availableMipmap = NWReflection.isClassAvailable("com.sun.opengl.impl.glu.mipmap.Mipmap");
+        checkedMipmap = true;
+    }
+    if(!availableMipmap) {
+      throw new GLException("Mipmap not available");
+    }
+}
+
+private final java.nio.ByteBuffer copyToByteBuffer(java.nio.Buffer buf) {
+  if (buf instanceof java.nio.ByteBuffer) {
+    if (buf.position() == 0) {
+      return (java.nio.ByteBuffer) buf;
+    }
+    return InternalBufferUtil.copyByteBuffer((java.nio.ByteBuffer) buf);
+  } else if (buf instanceof java.nio.ShortBuffer) {
+    return InternalBufferUtil.copyShortBufferAsByteBuffer((java.nio.ShortBuffer) buf);
+  } else if (buf instanceof java.nio.IntBuffer) {
+    return InternalBufferUtil.copyIntBufferAsByteBuffer((java.nio.IntBuffer) buf);
+  } else if (buf instanceof java.nio.FloatBuffer) {
+    return InternalBufferUtil.copyFloatBufferAsByteBuffer((java.nio.FloatBuffer) buf);
+  } else {
+    throw new IllegalArgumentException("Unsupported buffer type (must be one of byte, short, int, or float)");
+  }
+}
+
+/**
+ * Optional, throws GLException if not available in profile
+ */
+public final int gluScaleImage( int format, int widthin, int heightin,
+                               int typein, java.nio.Buffer datain, int widthout, int heightout,
+                               int typeout, java.nio.Buffer dataout ) {
+  validateMipmap();
+  java.nio.ByteBuffer in = null;
+  java.nio.ByteBuffer out = null;
+  in = copyToByteBuffer(datain);
+  if( dataout instanceof java.nio.ByteBuffer ) {
+    out = (java.nio.ByteBuffer)dataout;
+  } else if( dataout instanceof java.nio.ShortBuffer ) {
+    out = InternalBufferUtil.newByteBuffer(dataout.remaining() * InternalBufferUtil.SIZEOF_SHORT);
+  } else if ( dataout instanceof java.nio.IntBuffer ) {
+    out = InternalBufferUtil.newByteBuffer(dataout.remaining() * InternalBufferUtil.SIZEOF_INT);
+  } else if ( dataout instanceof java.nio.FloatBuffer ) {
+    out = InternalBufferUtil.newByteBuffer(dataout.remaining() * InternalBufferUtil.SIZEOF_FLOAT);
+  } else {
+    throw new IllegalArgumentException("Unsupported destination buffer type (must be byte, short, int, or float)");
+  }
+  int errno = Mipmap.gluScaleImage( getCurrentGL2ES1(), format, widthin, heightin, typein, in, 
+            widthout, heightout, typeout, out );
+  if( errno == 0 ) {
+    out.rewind();
+    if (out != dataout) {
+      if( dataout instanceof java.nio.ShortBuffer ) {
+        ((java.nio.ShortBuffer) dataout).put(out.asShortBuffer());
+      } else if( dataout instanceof java.nio.IntBuffer ) {
+        ((java.nio.IntBuffer) dataout).put(out.asIntBuffer());
+      } else if( dataout instanceof java.nio.FloatBuffer ) {
+        ((java.nio.FloatBuffer) dataout).put(out.asFloatBuffer());
+      } else {
+        throw new RuntimeException("Should not reach here");
+      }
+    }
+  }
+  return( errno );
+}
+
+
+/**
+ * Optional, throws GLException if not available in profile
+ */
+public final int gluBuild1DMipmapLevels( int target, int internalFormat, int width,
+                                        int format, int type, int userLevel, int baseLevel, int maxLevel,
+                                        java.nio.Buffer data ) {
+  validateMipmap();
+  java.nio.ByteBuffer buffer = copyToByteBuffer(data);
+  return( Mipmap.gluBuild1DMipmapLevels( getCurrentGL2ES1(), target, internalFormat, width,
+          format, type, userLevel, baseLevel, maxLevel, buffer ) );
+}
+
+
+/**
+ * Optional, throws GLException if not available in profile
+ */
+public final int gluBuild1DMipmaps( int target, int internalFormat, int width,
+                                   int format, int type, java.nio.Buffer data ) {
+  validateMipmap();
+  java.nio.ByteBuffer buffer = copyToByteBuffer(data);
+  return( Mipmap.gluBuild1DMipmaps( getCurrentGL2ES1(), target, internalFormat, width, format,
+          type, buffer ) );
+}
+
+
+/**
+ * Optional, throws GLException if not available in profile
+ */
+public final int gluBuild2DMipmapLevels( int target, int internalFormat, int width,
+                                        int height, int format, int type, int userLevel, int baseLevel,
+                                        int maxLevel, java.nio.Buffer data ) {
+  validateMipmap();
+  // While the code below handles other data types, it doesn't handle non-ByteBuffers
+  data = copyToByteBuffer(data);
+  return( Mipmap.gluBuild2DMipmapLevels( getCurrentGL2ES1(), target, internalFormat, width,
+          height, format, type, userLevel, baseLevel, maxLevel, data ) );
+}
+
+/**
+ * Optional, throws GLException if not available in profile
+ */
+public final int gluBuild2DMipmaps( int target, int internalFormat, int width,
+                                   int height, int format, int type, java.nio.Buffer data ) {
+  validateMipmap();
+  // While the code below handles other data types, it doesn't handle non-ByteBuffers
+  data = copyToByteBuffer(data);
+  return( Mipmap.gluBuild2DMipmaps( getCurrentGL2ES1(), target, internalFormat, width, height,
+          format, type, data) );
+}
+
+/**
+ * Optional, throws GLException if not available in profile
+ */
+public final int gluBuild3DMipmapLevels( int target, int internalFormat, int width,
+                                        int height, int depth, int format, int type, int userLevel, int baseLevel,
+                                        int maxLevel, java.nio.Buffer data) {
+  validateMipmap();
+  java.nio.ByteBuffer buffer = copyToByteBuffer(data);
+  return( Mipmap.gluBuild3DMipmapLevels( getCurrentGL2ES1(), target, internalFormat, width,
+          height, depth, format, type, userLevel, baseLevel, maxLevel, buffer) );
+}
+
+/**
+ * Optional, throws GLException if not available in profile
+ */
+public final int gluBuild3DMipmaps( int target, int internalFormat, int width,
+                                   int height, int depth, int format, int type, java.nio.Buffer data ) {
+  validateMipmap();
+  java.nio.ByteBuffer buffer = copyToByteBuffer(data);
+  return( Mipmap.gluBuild3DMipmaps( getCurrentGL2ES1(), target, internalFormat, width, height,
+          depth, format, type, buffer ) );
+}
+
+//----------------------------------------------------------------------
+// GLUProcAddressTable handling
+//
+
+/*
+private static GLUProcAddressTable gluProcAddressTable;
+private static volatile boolean gluLibraryLoaded;
+
+private static GLUProcAddressTable getGLUProcAddressTable() {
+  if (!gluLibraryLoaded) {
+    loadGLULibrary();
+  }
+  if (gluProcAddressTable == null) {
+    GLUProcAddressTable tmp = new GLUProcAddressTable();
+    GLProcAddressHelper.resetProcAddressTable(tmp, GLDrawableFactoryImpl.getFactoryImpl());
+    gluProcAddressTable = tmp;
+  }
+  return gluProcAddressTable;
+}
+
+private static synchronized void loadGLULibrary() {
+  if (!gluLibraryLoaded) {
+    GLDrawableFactoryImpl.getFactoryImpl().loadGLULibrary();
+    gluLibraryLoaded = true;
+  }
+}
+*/