JOGL mem info

    public int getFreeMemory() {
       GL gl = GLContext.getCurrentGL();
       IntBuffer freeMemory= BufferUtils.createIntBuffer(3);
       freeMemory.put(-1);
       try {
            if(gl.glGetString(GL.GL_VENDOR).equals("NVIDIA Corporation") && gl.isExtensionAvailable("GL_NVX_gpu_memory_info"))
            {
               freeMemory.clear();
               gl.glGetIntegerv(0x9048,freeMemory);
               return freeMemory.get(0);
            }
       } catch (Exception e) {
           logger.log(Level.WARNING,"Cannot retrieve free memory for the NVIDIA GPU");
       }
       try {
            if(gl.glGetString(GL.GL_VENDOR).equals("ATI Technologies") && gl.isExtensionAvailable("GL_ATI_meminfo"))
            {
               freeMemory.clear();
               //VBO Free Memory
               gl.glGetIntegerv(0x87FB, freeMemory);
               //TEXTURE_FREE_MEMORY_ATI
               gl.glGetIntegerv(0x87FC, freeMemory);
               //RENDERBUFFER_FREE_MEMORY_ATI
               gl.glGetIntegerv(0x87FD, freeMemory);
               // storing total free memory at position 0
               freeMemory.put(0,freeMemory.get(0) + freeMemory.get(1) + freeMemory.get(2));
               return freeMemory.get(0);
            }
       }catch(Exception e){
            logger.log(Level.WARNING,"Cannot retrieve free memory for the ATI GPU");
       }
       throw new UnsupportedOperationException("Cannot retrieve GPU's memory info");
    }

    public int getMaxMemory() {
       GL gl = GLContext.getCurrentGL();
       IntBuffer maxMemory= BufferUtils.createIntBuffer(1);
       maxMemory.put(-1);
       try {
            if(gl.glGetString(GL.GL_VENDOR).equals("NVIDIA Corporation") && gl.isExtensionAvailable("GL_NVX_gpu_memory_info"))
            {
               maxMemory.clear();
               gl.glGetIntegerv(0x9048,maxMemory);
               return maxMemory.get(0);
            }
       } catch (Exception e) {
           logger.log(Level.WARNING,"Cannot retrieve maximum memory for the NVIDIA GPU");
       }
       try {
            if(gl.glGetString(GL.GL_VENDOR).equals("ATI Technologies"))
            {
               maxMemory.clear();
               maxMemory.put(-1);
               return maxMemory.get(0);
            }
       }catch(Exception e){
            logger.log(Level.WARNING,"Cannot retrieve maximum memory for the ATI GPU");
       }
       throw new UnsupportedOperationException("Cannot retrieve GPU's memory info");
    }