af0d98bf1d
b2eaf812b1 made sure that the min offset alignment for text rendering
was used to calculate the correct offset. However the change didn't
update the region to be uploaded to the GPU. The artifacts are caused by
reading from allocated, but uninitialized memory.
This PR fixes this by calculating the correct region to copy to the GPU.
The artifact didn't appear on AMD/NVIDIA GPUs as their alignment are
4 bytes. Intel GPU is 64 bytes.
Pull Request: https://projects.blender.org/blender/blender/pulls/147265Blender
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