To optimize textures for mobile 3D applications, focus on reducing file size and memory usage while maintaining visual quality.
Start by downscaling resolution to match mobile screen capabilities—avoid overly high resolutions that waste memory. Use efficient compression formats like ASTC (Adaptive Scalable Texture Compression) or ETC (Ericsson Texture Compression), which balance quality and file size better than uncompressed formats. Simplify non-essential details, such as reducing texture complexity in less visible areas, to lower memory bandwidth pressure.
Additionally, analyze target mobile devices’ GPU specifications to select appropriate compression formats and resolution limits, ensuring compatibility and performance.