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Variable Rasterization Rate/eye-tracked foveated encoding #20

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shinyquagsire23 opened this issue Feb 8, 2024 · 1 comment
Open

Variable Rasterization Rate/eye-tracked foveated encoding #20

shinyquagsire23 opened this issue Feb 8, 2024 · 1 comment
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Apple pls Apple needs to fix something, no workaround feature A feature which needs to be implemented

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@shinyquagsire23
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Relevant docs:
https://developer.apple.com/documentation/compositorservices/4082136-cp_drawable_get_rasterization_ra
https://developer.apple.com/documentation/metal/mtlrasterizationratemap

Current foveation is only in the center of the FOV, but it should be possible to move the fovea based on the rasterization maps. Needs investigation.
@shinyquagsire23 shinyquagsire23 added feature A feature which needs to be implemented Apple pls Apple needs to fix something, no workaround labels Feb 8, 2024
@shinyquagsire23
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I dug around CompositorServices and as far as I can tell, not only do we not have eye tracking, we don't have foveated rasterization rate maps. Apple needs to implement one or the other for us to proceed with this feature.

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