Shulou(Shulou.com)11/24 Report--

Thanks to CTOnews.com netizen OC_Formula for the clue delivery! CTOnews.com, August 15, Native DX9 hardware support has officially disappeared from Intel's 12th generation CPU Xe integrated graphics solution and A-Series Arc Alchemist stand-alone GPU. Intel said that all support for DirectX 9 will be transferred to DirectX 12 emulation mode.

The simulation will run on the Microsoft "D3D9On12" open source transformation layer. The conversion occurs by sending 3D DirectX 9 graphics commands to the D3D9On12 layer rather than directly to the D3D9 graphics driver. Once the D3D9On12 layer receives commands from D3D9 API, it converts all commands into D3D12 API calls. So basically, D3D9On12 will be used entirely as a GPU driver, not as Intel's actual GPU driver.

Microsoft says this simulation process has become a relatively high-performance implementation of DirectX 9. As a result, performance is comparable to native DirectX 9 hardware support.

Therefore, Intel's change to DX9 seems to be a very good move. Intel can now shift driver development resources to DirectX 11 optimization (which is bad right now). In addition, Intel will not be affected by performance, DX9 optimization is completely "outsourced" to Microsoft.

According to Microsoft, you can look at the performance of D3D9On12 and see if Nvidia and AMD follow the same path as Intel. However, API translation may have some effects, including higher CPU usage (because translation is accelerated through software) and potential side effects of old games. Nvidia and AMD also have nearly 20 years of experience with DirectX 9 drivers, and there may be a performance loss in the DX12 emulation layer by comparison.

Previously, Intel had only the DirectX 9 experience on integrated graphics cards, which could not be translated into a higher-performance unique experience. Therefore, Intel has practical benefits in turning to emulation on Arc graphics cards around the world.

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