Microsoft has moved Gears games to Variable Rate Shading Tier 2, ie a better and faster version of VRS. It gains an extra 14% of performance without visible loss of quality.
VRS is a feature that simplifies the rendering of shaders to speed up the game. It does not have to render every pixel, but it can choose 1×2, 2×2 or larger whole pixels to process at once. It is very effective especially on areas that will be blurred in the scene, either by motion blur or depth of field, but also places in the shadows, or out of direct view.
The main advantage of Tier 2 VRS is better cooperation with dynamic resolution, which can be adapted and will not create artifacts, as well as the fact that the screen space texture is crashed, while color analysis in the previous shot can determine which parts of the image can be reduced without visible difference.
Tier 1 VRS
Tier 2 VRS
At the same time, VRS levels can be adjusted. While on Insane settings in 4K it gives Quality adds 14% Performance, Balanced 15% and Performance 20%.
In the scene itself, it looks like this:
Red places are unchanged, green ones have 2×2 shading, yellow and orange 1×2 and 2×1.
Tier 2 VRS offers virtually free performance with minimal visual impact and now with easier integration.
Source: Sector.sk by www.sector.sk.
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