Microsoft has unveiled DirectX Raytracing 1.2 (DXR), bringing revolutionary advances in RayTracing performance, technology introduced by Geforce RTX 20. The announcement was made during the GDC 2025, which ends today.
This update promises improvements in efficiency, preparing the land for the future of game graphics and advanced applications now that companies are presenting their technologies with AI.
Both Nvidia, with its 50 Blackwell series and DLSS 4, and AMD with the RDNA 4 architecture, are integrating AI resources into their GPUS. And the trend is gaining strength in the market.
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DXR 1.2 news
Starting with DXR 1.2 (Directx Raytracing), Microsoft is introducing two new technologies that include OMO (Opacity Micromaps) and SER (Shader Execution Reordering) (which will help provide performance increases.
OMM (Opacity micromaps) significantly optimizes geometry tested in alpha, Providing up to 2.3x of performance improvement in Path Tracing games. By managing opacity data efficiently, OMM reduces shader and improves rendering efficiency without compromising visual quality.
The other news is the Shader Execution Reordering (Ser), which offers a rendering speed up to 2 times higher. It intelligently groups shaders to improve GPU efficiency, reducing divergence and increasing frame rates.
DXR 1.2 aims to deliver up to 40% performance improvements during complex scenes as shown in Alan Wake 2, which was shown in the GDC with the latest technology. At the same time, it offers Visuals Raytraced substantially detailed.
According to Microsoft, Nvidia has already adopted resources in GPUS Geforce RTX and the company is working with AMD, Intel and Qualcomm for a broader adoption.
Other news
Microsoft is also introducing support for cooperative vectors, a new programming feature that will reach Shader Model 6.9. With cooperative vectors, developers can take advantage of new hardware acceleration mechanisms for vector and matrix operations, allowing them to integrate neural rendering techniques directly with the graphic pipeline.
All major hardware suppliers, including Nvidia, AMD and Intel, are working with cooperative vectors and neural rendering.
The neural Block Texture Compression is a new graphic technique that dramatically reduces the use of memory, maintaining visual fidelity. According to Microsoft information, Intel has been able to leverage cooperative vectors to feed advanced neural compression models seeing a 10x acceleration in inference performance.
In addition, with real-time Path-transting can be improved by neural surpasses and noise reduction, combining two of the most advanced graphic innovations to provide realistic visuals at practical performance levels.
Nvidia has revealed that its neural Shading SDK will support DirectX and use cooperative vectors, providing developers to easily integrate neural rendering techniques, significantly improving visual realism without sacrificing performance.
Below is a demonstration offered by Nvidia showing the use of neural rendering:
Updates
Microsoft will also provide updates to the Advanced Rasteization Platform (WARP). WARP, a CPU -based software rendering for DirectX and will get enhanced features and performance updates.
The rendering is performed only at the CPU and does not require GPU, which makes it perfect for Diagnostic compatible GPUS systems. Warp will now be fully compatible with the DX12 Ultimate and will be supported for all the latest features such as raytracing, mesh shaders and work charts.
In addition, Microsoft will also support from the first day for Directx Raytracing 1.2 (DXR) within its Directx deburator and a profile known as Pix on Windows. The three technologies will be available on the preview agility SDK that arrives at the end of April 2025.
Source: Microsoft.
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Source: https://www.adrenaline.com.br/microsoft/microsoft-revela-directx-raytracing-1-2-e-promete-melhorias-de-desempenho-inovadoras/
