Explore the intricacies of integrating Vulkan support into existing mobile game codebases in this Google I/O 2016 conference talk. Delve into the logistics and technical aspects of transitioning from OpenGL ES to Vulkan, a high-efficiency graphics API designed for cross-platform usage. Learn about validation layers, command buffers, queues, pipelines, descriptor sets, render passes, image layouts, and memory management in Vulkan. Discover performance considerations, render loop optimization techniques, and the use of push constants for fast shader value updates. Gain insights on porting Vulkan applications from desktop to mobile platforms, addressing challenges such as limited 3-channel format support and varying image layout behaviors.