Hardware-Efficient UNORM and SNORM to Float Conversion

2024-12-26

This blog post delves into the efficient hardware implementation of converting UNORM and SNORM integer formats to IEEE 754 binary32 floating-point numbers. The author details handling special values for 8-bit and 16-bit UNORM and SNORM, demonstrating how bit shifts and additions achieve precise conversion without complex division. Normalization and rounding are explained to ensure accuracy. The post concludes by summarizing the hardware cost, highlighting its efficiency.

Hardware float conversion