Omar Emara
c42370d577
When using the Low or Medium settings on the Glare node, the generated glare has an offset toward the lower left corner of the image. That's because the shader erroneously has logic that assumes non-normalized coordinates, so its offsets are in the pixel space of the original image. To fix this, we just use a fixed 0.5 offset in the output pixel space to evaluate at the center of pixels. In the future, we might look into using a more advanced downsampling scheme to avoid temporal instability, which is a new requirement due to the viewport compositor.
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