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Purpose of this PR
Add a simple motion vectors pass for opaque particles to use with application space warp. We're only using the camera motion and not the motion of the particles themselves as an approximation for now.
Testing status
Tested in an application with opaque and transparent particles with application space warp enabled and verified that we were writing the camera motion to the color buffer and the depth of the particles in the depth buffer of the motion vector pass (and only for opaque particles).
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Checklist for PR maker
need-backport-*label. After you backport the PR, the label changes tobackported-*.CHANGELOG.mdfile.Purpose of this PR
Add a simple motion vectors pass for opaque particles to use with application space warp. We're only using the camera motion and not the motion of the particles themselves as an approximation for now.
Testing status
Tested in an application with opaque and transparent particles with application space warp enabled and verified that we were writing the camera motion to the color buffer and the depth of the particles in the depth buffer of the motion vector pass (and only for opaque particles).
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