critical setup. creates FGaussianSplatGPUResources which uploads all the GPU buffers registers itself with the ViewExtension

Encode 2D coordinate to Morton code (16x16 tile) */

Constructor. Copies rendering parameters from the component

Get cluster by ID (linear search - consider building index map for frequent access) */

Get clusters at specific LOD level */

Get size of color texture bulk data in bytes */

Get a valid ColorTexture SRV (returns dummy if real one not available) */

Get all leaf clusters */

Get size of other bulk data in bytes */

Get size of position bulk data in bytes */

Get position format as uint for shader */

Get size of SH bulk data in bytes */

Get number of splats */

Get splat count */

Check if this is the root cluster (no parent) */

* Test if bounding sphere is inside or intersecting view frustum * Returns true if potentially visible */

Mark this proxy as pending destruction. Called at start of DestroyRenderThreadResources. */