NVIDIA and Microsoft set to launch neural rendering in DirectX 12
NVIDIA, in partnership with Microsoft, has announced that RTX Neural Shading will be integrated into the preview version of the DirectX 12 Agility SDK as early as April this year. This will allow developers to leverage neural network algorithms directly through shaders for the first time, harnessing the power of Tensor Cores in GeForce RTX graphics cards.
The announcement, made at GDC 2025, highlighted three key innovations:
- Smart texture compression — RTX Neural Texture Compression reduces VRAM usage by a factor of seven, generating neural network-based texture equivalents in seconds rather than hours.
- Dynamic lighting — RTX Neural Radiance Cache creates the effect of infinite light reflections, calculating them from just one or two sources, speeding up rendering without sacrificing detail.
- Intelligent materials — RTX Neural Materials accelerates the processing of complex surfaces like silk or ceramic by five times, a level of detail previously achievable only through offline rendering.
John Spitzer, Vice President at NVIDIA, emphasized that this is more than just a technology upgrade—it's a fundamental shift. Direct AI integration into shaders via DirectX will change the game, allowing every developer to easily implement cinematic graphics in real time. Owners of RTX 50 Series graphics cards will be the first to benefit from RTX Neural Shading, though the technology will be backward-compatible with previous generations.
Experts note that while widespread adoption of neural rendering may take one to two years, the April SDK release will mark the starting point for a new era of visual fidelity in gaming. The technological race between NVIDIA, AMD, and Intel is entering a phase where success will be determined not by hardware, but by algorithms.
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