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Consider these two DX11 images. They're a 20x20 texture scaled up by like 10x or so.

The left uses linear, the right uses D3D11_FILTER_MINIMUM_MIN_MAG_MIP_POINT

linear neares

The problem is that the right is still blurry for some reason. It's less blurry than the other, but it's noticable, especially with a larger texture.

What is the cause of this, and how can it be avoided?

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  • $\begingroup$ What if you scale by an odd number e.g. 9x? $\endgroup$ Commented Jul 10 at 17:35

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I solved it over here: https://stackoverflow.com/questions/79695925/how-do-you-upscale-directx-11-textures/79696306#79696306

Short answer: every time we resize the window, we have to recreate our texture render target view and the other object related to it.

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