1 files changed, 48 insertions, 0 deletions
diff --git a/make/config/jogl/cg-common-CustomJavaCode.java b/make/config/jogl/cg-common-CustomJavaCode.java
new file mode 100644
index 000000000..cdaa6f2b2
--- /dev/null
+++ b/make/config/jogl/cg-common-CustomJavaCode.java
@@ -0,0 +1,48 @@
+private static DynamicLookupHelper cgDynamicLookupHelper;
+private static CgProcAddressTable cgProcAddressTable;
+
+static {
+    cgProcAddressTable = new CgProcAddressTable();
+    if(null==cgProcAddressTable) {
+      throw new RuntimeException("Couldn't instantiate CgProcAddressTable");
+    }
+    DynamicLibraryBundle cgDynamicLookupHelper = new DynamicLibraryBundle(new CgDynamicLibraryBundleInfo());
+    if(null==cgDynamicLookupHelper) {
+      throw new RuntimeException("Null CgDynamicLookupHelper");
+    }
+    if(!cgDynamicLookupHelper.isToolLibLoaded()) {
+      throw new RuntimeException("Couln't load native Cg or CgGL library");
+    }
+    if(!cgDynamicLookupHelper.isGlueLibLoaded(CgDynamicLibraryBundleInfo.getCgGlueLibIndex())) {
+      throw new RuntimeException("Couln't load native GLue/JNI library");
+    }
+    cgProcAddressTable.reset(cgDynamicLookupHelper);
+}
+
+public  static CgProcAddressTable getCgProcAddressTable() { return cgProcAddressTable; }
+
+/** A convenience method which reads all available data from the InputStream and then calls cgCreateProgram. */
+public static CGprogram cgCreateProgramFromStream(CGcontext ctx, int program_type, java.io.InputStream stream, int profile, java.lang.String entry, java.lang.String[] args) throws java.io.IOException {
+  if (stream == null) {
+    throw new java.io.IOException("null stream");
+  }
+  stream = new java.io.BufferedInputStream(stream);
+  int avail = stream.available();
+  byte[] data = new byte[avail];
+  int numRead = 0;
+  int pos = 0;
+  do {
+    if (pos + avail > data.length) {
+      byte[] newData = new byte[pos + avail];
+      System.arraycopy(data, 0, newData, 0, pos);
+      data = newData;
+    }
+    numRead = stream.read(data, pos, avail);
+    if (numRead >= 0) {
+      pos += numRead;
+    }
+    avail = stream.available();
+  } while (avail > 0 && numRead >= 0);
+  String program = new String(data, 0, pos, "US-ASCII");
+  return cgCreateProgram(ctx, program_type, program, profile, entry, args);
+}