NVIDIA has unveiled groundbreaking enhancements to NVIDIA RTX neural rendering technologies ahead of the Game Developers Conference (GDC). By partnering with Microsoft, NVIDIA is bringing neural shading support to the Microsoft DirectX preview in April, allowing developers to harness AI Tensor Cores in NVIDIA GeForce RTX GPUs to accelerate neural networks within a game’s graphics pipeline.
Revolutionizing Graphics With Neural Shading
Neural shading marks a major shift in graphics programming by merging AI with traditional rendering. This innovation dramatically increases frame rates, enhances image quality, and optimizes system resource usage.
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“Shawn Hargreaves, Direct3D development manager at Microsoft, announced that Microsoft will introduce cooperative vector support to DirectX and HLSL, with a preview launch set for April. “This breakthrough is poised to revolutionize graphics programming by integrating neural rendering into the gaming industry. Unlocking Tensor Cores on NVIDIA RTX empowers developers to harness RTX Neural Shaders, delivering richer and more immersive experiences on Windows.
Additionally, NVIDIA RTX Kit, a suite of neural rendering technologies for game developers, is receiving significant updates, including Unreal Engine 5 support for RTX Mega Geometry and RTX Hair features.
RTX Remix Open-Source Platform Officially Released
Modders can now create stunning remasters of classic games using the officially released NVIDIA RTX Remix open-source platform. A new playable Half-Life 2 RTX demo—featuring full ray tracing, NVIDIA DLSS 4 Multi Frame Generation, RTX Neural Radiance Cache, RTX Skin, and more—will be available on Tuesday, March 18.
RTX Kit Arrives in Unreal Engine 5
Over the past three decades, the number of triangles used in game development has grown exponentially. With Unreal Engine 5’s Nanite geometry system, developers can build open worlds filled with hundreds of millions of triangles. However, as ray-traced game scenes become more complex, rendering costs increase dramatically, making real-time frame rates harder to achieve.
RTX Mega Geometry accelerates the ray tracing of complex scenes, allowing developers to use up to 100 times more triangles than current standards. This powerful feature is coming to the NVIDIA RTX (NvRTX) branch of Unreal Engine 5.
NVIDIA GeForce RTX 50 Series GPUs also introduce RTX Hair, a new linear swept sphere primitive that significantly enhances the ray tracing of hair and fur. Unlike traditional triangle-based methods, linear swept spheres more accurately simulate individual hair strands, improving image quality and performance when rendering realistic digital humans. RTX Hair is set to arrive in the NvRTX branch of Unreal Engine 5.
At CES, NVIDIA unveiled the “Zorah” technology demo, highlighting its advanced neural rendering capabilities. The updated Zorah demo at GDC—built in Unreal Engine 5—will feature the latest advancements in neural rendering, including RTX Mega Geometry, RTX Hair, ReSTIR Path Tracing, and ReSTIR Direct Illumination.
Return to ‘Half-Life 2’ With RTX Demo
The official release of RTX Remix—featuring DLSS 4 with Multi Frame Generation, new RTX neural rendering technologies, and community-requested upgrades—empowers modders to create even more visually stunning RTX remasters.
Since its beta release last year, over 30,000 modders have used RTX Remix to enhance hundreds of classic titles. More than 1 million gamers have played RTX Remix mods, including NVIDIA Lightspeed Studios’ Portal with RTX and the fan-made Portal: Prelude RTX.
Half-Life 2 owners can explore the environments of Ravenholm and Nova Prospekt with RTX enhancements by downloading the free Half-Life 2 RTX demo from Steam starting March 18. The remaster is being developed by four of Half-Life 2’s top mod teams, now collaborating under the banner of Orbifold Studios. Half-Life 2 RTX features full ray tracing, remastered assets, DLSS 4, NVIDIA Reflex, RTX Neural Radiance Cache, RTX Skin, and RTX Volumetrics.
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DLSS 4: The Fastest-Adopted NVIDIA Game Technology
Since the launch of GeForce RTX 50 Series GPUs, DLSS 4 has received overwhelming support from gamers and developers. Now available in over 100 games and apps, DLSS 4 has reached this milestone two years faster than DLSS 3, making it the most rapidly adopted NVIDIA game technology to date.
DLSS 4 introduces Multi Frame Generation, an AI-driven feature that generates up to three additional frames per traditionally rendered frame. By working in tandem with the full DLSS suite, it boosts frame rates by up to 8x over traditional rendering methods. This unprecedented performance improvement enables GeForce RTX 50 Series users to maximize visuals at high resolutions while achieving ultra-smooth gameplay.
Upcoming titles such as Lost Soul Aside, Mecha BREAK, Phantom Blade Zero, Stellar Blade, Tides of Annihilation, and Wild Assault will launch with DLSS 4, ensuring GeForce RTX gamers experience the best possible graphics and performance.
FAQs
1. What makes NVIDIA’s neural shading technology groundbreaking?
Neural shading combines AI with traditional rendering to improve frame rates, enhance image quality, and optimize system performance. It allows developers to utilize Tensor Cores in NVIDIA RTX GPUs, integrating AI-driven rendering directly into a game’s graphics pipeline.
2. How does RTX Mega Geometry benefit game developers?
RTX Mega Geometry accelerates the ray tracing of complex scenes, allowing developers to use up to 100 times more triangles than traditional methods. This enables richer, more detailed environments without compromising performance.
3. When will the Half-Life 2 RTX demo be available?
The Half-Life 2 RTX demo will be available for free download on Steam starting March 18. It features full ray tracing, remastered assets, DLSS 4, NVIDIA Reflex, and various RTX neural rendering enhancements.
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