Forward declaration

* Asset type actions for Gaussian Splat assets * Provides content browser editor integration like custom color, category, and actions */

* Compute shader for frustum culling and LOD selection of clusters * Tests each cluster's bounding sphere against the view frustum * Calculates scre

* Compute shader to reset the visible cluster counter, indirect draw args, and visibility bitmap */

* Compute shader that builds a compact list of visible splat indices * This enables subsequent passes to only process visible splats */

Gather unclaimed indices and their distances to the seed

* GatherCS: 1 thread per proxy. * Copies GPUResources->VisibleSplatCountBuffer[0] into GlobalVisibleCountArray[ProxyIndex]. */

* Compute shader for calculating sort distances (depth) for each splat */

* Compute shader for calculating view-dependent data for each Gaussian splat * This runs per-frame to transform splats to screen space and evaluate s

* Pixel shader for the sRGB→linear composite pass * Reads the intermediate sRGB-blended splat accumulation texture, * converts to linear, and output

* Vertex shader for the sRGB→linear composite pass (full-screen triangle) */

* GPU resources for Gaussian Splatting rendering * FBufferRHIRef: Raw GPU Memory * ShaderResourceViewRHIRef(SRV): interpret the memory into correspo

* Pixel shader for rendering Gaussian splats with gaussian falloff */

* Shared render data for a Gaussian Splat asset. * Holds CPU-side cached data and shared GPU buffers that are created once * per asset and shared ac

* Scene proxy for rendering Gaussian Splatting */

* Vertex shader for rendering Gaussian splats as quads */

* PLY file header information */

* PrefixSumCS: 1 thread total. * Computes prefix sums over GlobalVisibleCountArray and writes all indirect * dispatch/draw args for the global Phase

* Compute shader that prepares indirect dispatch and draw arguments * from the visible splat count */

Build the list of visible proxies and compute total splat count (CPU-side)

* Radix sort - CountCS: per-tile histogram of 256 digit bins */

* Radix sort - DigitPrefixSumCS: exclusive prefix sum across 256 digit totals */

* Radix sort - PrefixSumCS: exclusive prefix sum per digit across tiles */

* Radix sort - ScatterCS: write keys+values to sorted positions */