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Microsoft's DirectX update could double ray tracing performance in PC games
AppWizard
March 21, 2025

Microsoft’s DirectX update could double ray tracing performance in PC games

DirectX Raytracing 1.2 is a rendering API developed by Microsoft that aims to improve ray tracing efficiency in gaming. It introduces enhancements such as opacity micromaps, which can increase performance by up to 2.3 times in path-based gaming, and shader execution reordering, which could double performance in certain scenarios. Nvidia has committed to providing driver support for this API across its GeForce RTX GPU lineup, and Microsoft is also working with AMD, Intel, and Qualcomm for compatibility. Additionally, techniques like neural block texture compression and neural supersampling are being explored to enhance real-time path tracing. A preview software development kit for DirectX Raytracing 1.2 is set to be released in April.
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