Vulkan, bugfix for loading spv

Author: rsahlin

graphics-by-opengl-j2se/src/main/java/com/nucleus/io/StreamUtils.java

@@ -140,7 +140,7 @@ public static byte[] readFromStream(InputStream in, int buffersize) throws IOExc
     public static int readFromName(String name, ByteBuffer buffer) throws IOException, URISyntaxException {
         ClassLoader loader = StreamUtils.class.getClassLoader();
         InputStream is = loader.getResourceAsStream(name);
-        int loaded = readFromStream(is, buffer, -1);
+        int loaded = readFromStream(is, buffer, buffer.limit() - buffer.position());
         is.close();
         return loaded;
     }

graphics-by-opengl-j2se/src/main/java/com/nucleus/vulkan/GLSLCompiler.java

@@ -69,7 +69,7 @@ public void compileStage(String path, ArrayList<String> folders, ByteBuffer buff
             String output = null;
             for (String filename : filenames) {
                 String filePath = FileUtils.getInstance().getFilePath(path + filename, folder);
-                name = filename.substring(0, filename.length() - (type.fileName.length() + 1));
+                name = filename.substring(0, filename.length() - (stageSuffix.length()));
                 output = name + type.fileName;
                 String cmd = "glslc " + filename + " -o -";
                 buffer.clear();