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Cesium for Unreal v1.19.0 (Unreal Engine 4)
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@kring kring released this 01 Nov 11:09
· 146 commits to ue4-main since this release
v1.19.0-ue4
8a17e53

2022-11-01

This release includes support for Unreal Engine v4.26 and v4.27 for Windows, Linux, macOS, Android, and iOS. Please select the appropriate ZIP for your version. For Unreal Engine 5, please see Cesium for Unreal v1.19.0 (Unreal Engine 5).

Breaking Changes 📣
  • Removed some poorly named and unreliable functions on the CesiumGeoreference: ComputeEastNorthUp, TransformRotatorEastNorthUpToUnreal, and TransformRotatorUnrealToEastNorthUp. These functions have been replaced with reliable "EastSouthUp" counterparts.
Additions 🎉
  • Added asynchronous texture creation where supported by the graphics API. This offloads a frequent render thread bottleneck to background loading threads.
  • Improved synchronous texture creation by eliminating a main-thread memcpy, for cases where asynchronous texture creation is not supported.
  • Added throttling of the main-thread part of loading for glTFs.
  • Added throttling for tile cache unloads on the main thread.
  • Added a prototype developer feature enabling Unreal Insights tracing into Cesium Native. This helps us investigate end-to-end performance in a deeper and more precise manner.
Fixes 🔧
  • Significantly reduced frame-rate dips during asynchronous tile loading by eliminating thread pool monopolization by Cesium tasks.
  • Improved the tile destruction sequence by allowing it to defer being destroyed to future frames if it is waiting on asynchronous work to finish. Previously we would essentially block the main thread waiting for tiles to become ready for destruction.

In addition to the above, this release updates cesium-native from v0.20.0 to v0.21.0. See the changelog for a complete list of changes in cesium-native.

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