[Solved] How can I get rid of blurry textures in Metal?

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In your texture sample call (in the shader), you need to set your magnification filter to ‘nearest’, instead of ‘linear’, like so (assuming your sampler is declared inline inside your shader):

constexpr sampler textureSampler (mag_filter::nearest, // <-- Set this to 'nearest' if you don't want any filtering on magnification
                                  min_filter::nearest);

// Sample the texture to obtain a color
const half4 colorSample = colorTexture.sample(textureSampler, in.textureCoordinate);

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solved How can I get rid of blurry textures in Metal?