Bump the vertex buffer sizes by 1 #1855
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Matches gpuweb/gpuweb#2044 (comment)
Description
Vulkan doesn't like vertex buffers bound at the end of the range.
This change adds 1 to all vertex buffers.
Impl note: it would be better to only do this for Vulkan, but then it would have a weird interaction with buffer zeroing. Since zeroing is handled on wgpu-core side, it needs to know the actual size of the buffer. Maybe we can revisit this later?
Testing
Untested