public static void glGetCompressedTexImageARB(int target, int lod, long pImg_buffer_offset) { ContextCapabilities caps = GLContext.getCapabilities(); long function_pointer = caps.glGetCompressedTexImageARB; BufferChecks.checkFunctionAddress(function_pointer); GLChecks.ensurePackPBOenabled(caps); nglGetCompressedTexImageARBBO(target, lod, pImg_buffer_offset, function_pointer); }