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feat(gsplat): Rename GSPLAT_RENDERER_RASTER_HYBRID to RASTER_GPU_SORT #8686

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Merged
mvaligursky merged 1 commit into from
May 5, 2026
Merged

feat(gsplat): Rename GSPLAT_RENDERER_RASTER_HYBRID to RASTER_GPU_SORT #8686

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2 changes: 1 addition & 1 deletion examples/src/examples/gaussian-splatting/annotations.controls.mjs
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Expand Up @@ -16,7 +16,7 @@ export const controls = ({ observer, ReactPCUI, React, jsx, fragment }) => {
options: [
{ v: 0, t: 'Auto' },
{ v: 1, t: 'Raster (CPU Sort)' },
{ v: 2, t: 'Raster (Hybrid)' },
{ v: 2, t: 'Raster (GPU Sort)' },
{ v: 3, t: 'Compute' }
]
})
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2 changes: 1 addition & 1 deletion examples/src/examples/gaussian-splatting/benchmark.example.mjs
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Expand Up @@ -24,7 +24,7 @@ const IDLE_FPS_SAMPLE_MS = 1000;
const RENDERERS = [
{ device: 'webgl2', renderer: pc.GSPLAT_RENDERER_RASTER_CPU_SORT, label: 'WebGL2 CPU Sort', shortLabel: 'GL2 CPU' },
{ device: 'webgpu', renderer: pc.GSPLAT_RENDERER_RASTER_CPU_SORT, label: 'WebGPU CPU Sort', shortLabel: 'GPU CPU' },
{ device: 'webgpu', renderer: pc.GSPLAT_RENDERER_RASTER_HYBRID, label: 'WebGPU Hybrid', shortLabel: 'Hybrid' },
{ device: 'webgpu', renderer: pc.GSPLAT_RENDERER_RASTER_GPU_SORT, label: 'WebGPU GPU Sort', shortLabel: 'GPU Sort' },
{ device: 'webgpu', renderer: pc.GSPLAT_RENDERER_COMPUTE, label: 'WebGPU Compute', shortLabel: 'Compute' }
];

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2 changes: 1 addition & 1 deletion examples/src/examples/gaussian-splatting/crop.controls.mjs
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Expand Up @@ -17,7 +17,7 @@ export const controls = ({ observer, ReactPCUI, React, jsx, fragment }) => {
options: [
{ v: 0, t: 'Auto' },
{ v: 1, t: 'Raster (CPU Sort)' },
{ v: 2, t: 'Raster (Hybrid)' },
{ v: 2, t: 'Raster (GPU Sort)' },
{ v: 3, t: 'Compute' }
]
})
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2 changes: 1 addition & 1 deletion examples/src/examples/gaussian-splatting/editor.controls.mjs
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Expand Up @@ -20,7 +20,7 @@ export const controls = ({ observer, ReactPCUI, React, jsx, fragment }) => {
options: [
{ v: 0, t: 'Auto' },
{ v: 1, t: 'Raster (CPU Sort)' },
{ v: 2, t: 'Raster (Hybrid)' },
{ v: 2, t: 'Raster (GPU Sort)' },
{ v: 3, t: 'Compute' }
]
})
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2 changes: 1 addition & 1 deletion examples/src/examples/gaussian-splatting/flipbook.controls.mjs
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Expand Up @@ -16,7 +16,7 @@ export const controls = ({ observer, ReactPCUI, React, jsx, fragment }) => {
options: [
{ v: 0, t: 'Auto' },
{ v: 1, t: 'Raster (CPU Sort)' },
{ v: 2, t: 'Raster (Hybrid)' },
{ v: 2, t: 'Raster (GPU Sort)' },
{ v: 3, t: 'Compute' }
]
})
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2 changes: 1 addition & 1 deletion examples/src/examples/gaussian-splatting/global-sorting.controls.mjs
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Expand Up @@ -16,7 +16,7 @@ export const controls = ({ observer, ReactPCUI, React, jsx, fragment }) => {
options: [
{ v: 0, t: 'Auto' },
{ v: 1, t: 'Raster (CPU Sort)' },
{ v: 2, t: 'Raster (Hybrid)' },
{ v: 2, t: 'Raster (GPU Sort)' },
{ v: 3, t: 'Compute' }
]
})
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2 changes: 1 addition & 1 deletion examples/src/examples/gaussian-splatting/lod-instances.controls.mjs
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Expand Up @@ -19,7 +19,7 @@ export const controls = ({ observer, ReactPCUI, React, jsx, fragment }) => {
options: [
{ v: 0, t: 'Auto' },
{ v: 1, t: 'Raster (CPU Sort)' },
{ v: 2, t: 'Raster (Hybrid)' },
{ v: 2, t: 'Raster (GPU Sort)' },
{ v: 3, t: 'Compute' }
]
})
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2 changes: 1 addition & 1 deletion examples/src/examples/gaussian-splatting/lod-streaming-sh.controls.mjs
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Expand Up @@ -19,7 +19,7 @@ export const controls = ({ observer, ReactPCUI, React, jsx, fragment }) => {
options: [
{ v: 0, t: 'Auto' },
{ v: 1, t: 'Raster (CPU Sort)' },
{ v: 2, t: 'Raster (Hybrid)' },
{ v: 2, t: 'Raster (GPU Sort)' },
{ v: 3, t: 'Compute' }
]
})
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2 changes: 1 addition & 1 deletion examples/src/examples/gaussian-splatting/lod-streaming.controls.mjs
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Expand Up @@ -169,7 +169,7 @@ export const controls = ({ observer, ReactPCUI, React, jsx, fragment }) => {
options: [
{ v: 0, t: 'Auto' },
{ v: 1, t: 'Raster (CPU Sort)' },
{ v: 2, t: 'Raster (Hybrid)' },
{ v: 2, t: 'Raster (GPU Sort)' },
{ v: 3, t: 'Compute' }
]
})
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2 changes: 1 addition & 1 deletion examples/src/examples/gaussian-splatting/multi-splat.controls.mjs
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Expand Up @@ -19,7 +19,7 @@ export const controls = ({ observer, ReactPCUI, React, jsx, fragment }) => {
options: [
{ v: 0, t: 'Auto' },
{ v: 1, t: 'Raster (CPU Sort)' },
{ v: 2, t: 'Raster (Hybrid)' },
{ v: 2, t: 'Raster (GPU Sort)' },
{ v: 3, t: 'Compute' }
]
})
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2 changes: 1 addition & 1 deletion examples/src/examples/gaussian-splatting/multi-view.controls.mjs
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Expand Up @@ -16,7 +16,7 @@ export const controls = ({ observer, ReactPCUI, React, jsx, fragment }) => {
options: [
{ v: 0, t: 'Auto' },
{ v: 1, t: 'Raster (CPU Sort)' },
{ v: 2, t: 'Raster (Hybrid)' },
{ v: 2, t: 'Raster (GPU Sort)' },
{ v: 3, t: 'Compute' }
]
})
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2 changes: 1 addition & 1 deletion examples/src/examples/gaussian-splatting/paint.controls.mjs
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Expand Up @@ -20,7 +20,7 @@ export const controls = ({ observer, ReactPCUI, React, jsx, fragment }) => {
options: [
{ v: 0, t: 'Auto' },
{ v: 1, t: 'Raster (CPU Sort)' },
{ v: 2, t: 'Raster (Hybrid)' },
{ v: 2, t: 'Raster (GPU Sort)' },
{ v: 3, t: 'Compute' }
]
})
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2 changes: 1 addition & 1 deletion examples/src/examples/gaussian-splatting/picking.controls.mjs
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Expand Up @@ -16,7 +16,7 @@ export const controls = ({ observer, ReactPCUI, React, jsx, fragment }) => {
options: [
{ v: 0, t: 'Auto' },
{ v: 1, t: 'Raster (CPU Sort)' },
{ v: 2, t: 'Raster (Hybrid)' },
{ v: 2, t: 'Raster (GPU Sort)' },
{ v: 3, t: 'Compute' }
]
})
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2 changes: 1 addition & 1 deletion examples/src/examples/gaussian-splatting/procedural-instanced.controls.mjs
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Expand Up @@ -16,7 +16,7 @@ export const controls = ({ observer, ReactPCUI, React, jsx, fragment }) => {
options: [
{ v: 0, t: 'Auto' },
{ v: 1, t: 'Raster (CPU Sort)' },
{ v: 2, t: 'Raster (Hybrid)' },
{ v: 2, t: 'Raster (GPU Sort)' },
{ v: 3, t: 'Compute' }
]
})
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2 changes: 1 addition & 1 deletion examples/src/examples/gaussian-splatting/procedural-mesh.controls.mjs
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Expand Up @@ -16,7 +16,7 @@ export const controls = ({ observer, ReactPCUI, React, jsx, fragment }) => {
options: [
{ v: 0, t: 'Auto' },
{ v: 1, t: 'Raster (CPU Sort)' },
{ v: 2, t: 'Raster (Hybrid)' },
{ v: 2, t: 'Raster (GPU Sort)' },
{ v: 3, t: 'Compute' }
]
})
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2 changes: 1 addition & 1 deletion examples/src/examples/gaussian-splatting/procedural-shapes.controls.mjs
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Expand Up @@ -17,7 +17,7 @@ export const controls = ({ observer, ReactPCUI, React, jsx, fragment }) => {
options: [
{ v: 0, t: 'Auto' },
{ v: 1, t: 'Raster (CPU Sort)' },
{ v: 2, t: 'Raster (Hybrid)' },
{ v: 2, t: 'Raster (GPU Sort)' },
{ v: 3, t: 'Compute' }
]
})
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2 changes: 1 addition & 1 deletion examples/src/examples/gaussian-splatting/reveal.controls.mjs
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Expand Up @@ -16,7 +16,7 @@ export const controls = ({ observer, ReactPCUI, React, jsx, fragment }) => {
options: [
{ v: 0, t: 'Auto' },
{ v: 1, t: 'Raster (CPU Sort)' },
{ v: 2, t: 'Raster (Hybrid)' },
{ v: 2, t: 'Raster (GPU Sort)' },
{ v: 3, t: 'Compute' }
]
})
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2 changes: 1 addition & 1 deletion examples/src/examples/gaussian-splatting/shader-effects.controls.mjs
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Expand Up @@ -16,7 +16,7 @@ export const controls = ({ observer, ReactPCUI, React, jsx, fragment }) => {
options: [
{ v: 0, t: 'Auto' },
{ v: 1, t: 'Raster (CPU Sort)' },
{ v: 2, t: 'Raster (Hybrid)' },
{ v: 2, t: 'Raster (GPU Sort)' },
{ v: 3, t: 'Compute' }
]
})
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2 changes: 1 addition & 1 deletion examples/src/examples/gaussian-splatting/shadows.controls.mjs
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Expand Up @@ -16,7 +16,7 @@ export const controls = ({ observer, ReactPCUI, React, jsx, fragment }) => {
options: [
{ v: 0, t: 'Auto' },
{ v: 1, t: 'Raster (CPU Sort)' },
{ v: 2, t: 'Raster (Hybrid)' },
{ v: 2, t: 'Raster (GPU Sort)' },
{ v: 3, t: 'Compute' }
]
})
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2 changes: 1 addition & 1 deletion examples/src/examples/gaussian-splatting/simple.controls.mjs
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Expand Up @@ -16,7 +16,7 @@ export const controls = ({ observer, ReactPCUI, jsx, fragment }) => {
options: [
{ v: 0, t: 'Auto' },
{ v: 1, t: 'Raster (CPU Sort)' },
{ v: 2, t: 'Raster (Hybrid)' },
{ v: 2, t: 'Raster (GPU Sort)' },
{ v: 3, t: 'Compute' }
]
})
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2 changes: 1 addition & 1 deletion examples/src/examples/gaussian-splatting/spherical-harmonics.controls.mjs
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Expand Up @@ -16,7 +16,7 @@ export const controls = ({ observer, ReactPCUI, jsx, fragment }) => {
options: [
{ v: 0, t: 'Auto' },
{ v: 1, t: 'Raster (CPU Sort)' },
{ v: 2, t: 'Raster (Hybrid)' },
{ v: 2, t: 'Raster (GPU Sort)' },
{ v: 3, t: 'Compute' }
]
})
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2 changes: 1 addition & 1 deletion examples/src/examples/gaussian-splatting/viewer.controls.mjs
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Expand Up @@ -21,7 +21,7 @@ export const controls = ({ observer, ReactPCUI, React, jsx, fragment }) => {
options: [
{ v: 0, t: 'Auto' },
{ v: 1, t: 'Raster (CPU Sort)' },
{ v: 2, t: 'Raster (Hybrid)' },
{ v: 2, t: 'Raster (GPU Sort)' },
{ v: 3, t: 'Compute' }
]
})
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2 changes: 1 addition & 1 deletion examples/src/examples/gaussian-splatting/weather.controls.mjs
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Expand Up @@ -19,7 +19,7 @@ export const controls = ({ observer, ReactPCUI, React, jsx, fragment }) => {
options: [
{ v: 0, t: 'Auto' },
{ v: 1, t: 'Raster (CPU Sort)' },
{ v: 2, t: 'Raster (Hybrid)' },
{ v: 2, t: 'Raster (GPU Sort)' },
{ v: 3, t: 'Compute' }
]
})
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2 changes: 1 addition & 1 deletion examples/src/examples/gaussian-splatting/world.controls.mjs
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Expand Up @@ -19,7 +19,7 @@ export const controls = ({ observer, ReactPCUI, React, jsx, fragment }) => {
options: [
{ v: 0, t: 'Auto' },
{ v: 1, t: 'Raster (CPU Sort)' },
{ v: 2, t: 'Raster (Hybrid)' },
{ v: 2, t: 'Raster (GPU Sort)' },
{ v: 3, t: 'Compute' }
]
})
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2 changes: 1 addition & 1 deletion examples/src/examples/gaussian-splatting/xr-views.controls.mjs
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Expand Up @@ -16,7 +16,7 @@ export const controls = ({ observer, ReactPCUI, React, jsx, fragment }) => {
options: [
{ v: 0, t: 'Auto' },
{ v: 1, t: 'Raster (CPU Sort)' },
{ v: 2, t: 'Raster (Hybrid)' },
{ v: 2, t: 'Raster (GPU Sort)' },
{ v: 3, t: 'Compute' }
]
})
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9 changes: 4 additions & 5 deletions src/scene/constants.js
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Expand Up @@ -1225,15 +1225,14 @@ export const GSPLAT_RENDERER_AUTO = 0;
export const GSPLAT_RENDERER_RASTER_CPU_SORT = 1;

/**
* Hybrid rasterization renderer that performs projection, screen-space culling and sort key
* generation in a single compute pass, sorts globally via a compute radix sort, and rasterizes
* quads from a pre-projected cache. WebGPU only. Experimental with limited functionality.
* Rasterization-based rendering with GPU-side culling and sorting. WebGPU only. Experimental with
* limited functionality.
*
* @type {number}
* @category Graphics
* @ignore
* @alpha
*/
export const GSPLAT_RENDERER_RASTER_HYBRID = 2;
export const GSPLAT_RENDERER_RASTER_GPU_SORT = 2;

/**
* Full compute pipeline for rendering. WebGPU only. Experimental with limited functionality.
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22 changes: 11 additions & 11 deletions src/scene/gsplat-unified/gsplat-manager.js
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Expand Up @@ -18,7 +18,7 @@ import { ComputeRadixSort } from '../graphics/radix-sort/compute-radix-sort.js';
import { Debug } from '../../core/debug.js';
import { BoundingBox } from '../../core/shape/bounding-box.js';
import {
GSPLAT_RENDERER_RASTER_CPU_SORT, GSPLAT_RENDERER_RASTER_HYBRID,
GSPLAT_RENDERER_RASTER_CPU_SORT, GSPLAT_RENDERER_RASTER_GPU_SORT,
GSPLAT_RENDERER_COMPUTE,
GSPLAT_DEBUG_LOD, GSPLAT_DEBUG_SH_UPDATE, GSPLAT_DEBUG_AABBS
} from '../constants.js';
Expand Down Expand Up @@ -90,7 +90,7 @@ let _randomColorRaw = null;
* GSplatManager manages the rendering of splats using a work buffer, where all active splats are
* stored and rendered from.
*
* Shared culling + compaction (hybrid raster and compute renderer, WebGPU only):
* Shared culling + compaction (raster GPU-sort path and compute renderer, WebGPU only):
* Interval compaction operates on contiguous intervals of splats (one per octree node).
* 1. Cull + count (compute): each interval's bounding sphere is tested against frustum
* planes (or a fisheye cone). The pass writes the interval's splat count (or 0 if
Expand Down Expand Up @@ -154,21 +154,21 @@ class GSplatManager {
cpuSorter = null;

/**
* GPU-based radix sorter (hybrid raster path).
* GPU-based radix sorter (raster GPU sort path).
*
* @type {ComputeRadixSort|null}
*/
gpuSorter = null;

/**
* Interval-based GPU compaction (hybrid / compute paths).
* Interval-based GPU compaction (raster GPU sort / compute paths).
*
* @type {GSplatIntervalCompaction|null}
*/
intervalCompaction = null;

/**
* Compute projector + sort keys for {@link GSPLAT_RENDERER_RASTER_HYBRID}.
* Compute projector + sort keys for {@link GSPLAT_RENDERER_RASTER_GPU_SORT}.
*
* @type {GSplatProjector|null}
*/
Expand All @@ -180,7 +180,7 @@ class GSplatManager {
indirectDrawSlot = -1;

/**
* Indirect dispatch slot for hybrid raster (projector + radix) and compute paths.
* Indirect dispatch slot for raster GPU sort (projector + radix) and compute paths.
* The compute local renderer builds its own indirect args in private buffers
* and does not use these slots.
*/
Expand Down Expand Up @@ -507,7 +507,7 @@ class GSplatManager {
* @returns {import('../mesh-instance.js').MeshInstance|null} The pick mesh instance, or null.
*/
prepareForPicking(camera, width, height) {
if (this.activeRenderer === GSPLAT_RENDERER_RASTER_HYBRID) {
if (this.activeRenderer === GSPLAT_RENDERER_RASTER_GPU_SORT) {
const sortedState = this.worldStates.get(this.sortedVersion);
if (!sortedState?.sortedBefore || !camera.node) return null;

Expand Down Expand Up @@ -585,7 +585,7 @@ class GSplatManager {
_createRenderer(mode) {
if (mode === GSPLAT_RENDERER_COMPUTE) {
this.renderer = new GSplatComputeLocalRenderer(this.device, this.node, this.cameraNode, this.layer, this.workBuffer);
} else if (mode === GSPLAT_RENDERER_RASTER_HYBRID) {
} else if (mode === GSPLAT_RENDERER_RASTER_GPU_SORT) {
this.renderer = new GSplatHybridRenderer(this.device, this.node, this.cameraNode, this.layer, this.workBuffer);
this.initHybridSorting();
} else {
Expand Down Expand Up @@ -1518,7 +1518,7 @@ class GSplatManager {
// Compute renderer: run compaction only (no key generation or radix sort)
this.compactGpu(lastState);
gpuSortedThisFrame = true;
} else if (this.activeRenderer === GSPLAT_RENDERER_RASTER_HYBRID) {
} else if (this.activeRenderer === GSPLAT_RENDERER_RASTER_GPU_SORT) {
this.sortGpuHybrid(lastState);
gpuSortedThisFrame = true;
} else {
Expand All @@ -1536,9 +1536,9 @@ class GSplatManager {
this.lastCullingProjMat.copy(this.cameraNode.camera.projectionMatrix);
}

// Hybrid raster needs projector + radix + fresh indirect args every frame (indirect
// Raster GPU sort needs projector + radix + fresh indirect args every frame (indirect
// slots are per-frame; post-projector visible count differs from interval prefix sum).
if (this.activeRenderer === GSPLAT_RENDERER_RASTER_HYBRID && lastState && !gpuSortedThisFrame) {
if (this.activeRenderer === GSPLAT_RENDERER_RASTER_GPU_SORT && lastState && !gpuSortedThisFrame) {
this.sortGpuHybrid(lastState);
gpuSortedThisFrame = true;
}
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8 changes: 4 additions & 4 deletions src/scene/gsplat-unified/gsplat-params.js
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Expand Up @@ -8,7 +8,7 @@ import { GSplatFormat } from '../gsplat/gsplat-format.js';
import {
GSPLATDATA_COMPACT,
GSPLAT_RENDERER_AUTO, GSPLAT_RENDERER_RASTER_CPU_SORT,
GSPLAT_RENDERER_COMPUTE, GSPLAT_RENDERER_RASTER_HYBRID,
GSPLAT_RENDERER_COMPUTE, GSPLAT_RENDERER_RASTER_GPU_SORT,
GSPLAT_DEBUG_NONE, GSPLAT_DEBUG_LOD, GSPLAT_DEBUG_SH_UPDATE, GSPLAT_DEBUG_HEATMAP,
GSPLAT_DEBUG_AABBS, GSPLAT_DEBUG_NODE_AABBS
} from '../constants.js';
Expand Down Expand Up @@ -146,8 +146,8 @@ class GSplatParams {
* - {@link GSPLAT_RENDERER_AUTO}: Automatically selects the best pipeline for the platform.
* - {@link GSPLAT_RENDERER_RASTER_CPU_SORT}: Rasterization with CPU-side sorting.
* - {@link GSPLAT_RENDERER_COMPUTE}: Full compute pipeline (WebGPU only, experimental).
* - {@link GSPLAT_RENDERER_RASTER_HYBRID}: Hybrid rasterization with a compute projection
* cache and global radix sort (WebGPU only, experimental, internal).
* - {@link GSPLAT_RENDERER_RASTER_GPU_SORT}: Rasterization with GPU-side sorting (WebGPU only,
* experimental).
*
* Defaults to {@link GSPLAT_RENDERER_AUTO}. Modes requiring WebGPU fall back to
* {@link GSPLAT_RENDERER_RASTER_CPU_SORT} on WebGL devices. The resolved mode actually used
Expand All @@ -162,7 +162,7 @@ class GSplatParams {
if (value === GSPLAT_RENDERER_AUTO) {
this._currentRenderer = GSPLAT_RENDERER_RASTER_CPU_SORT;
} else if ((value === GSPLAT_RENDERER_COMPUTE ||
value === GSPLAT_RENDERER_RASTER_HYBRID) &&
value === GSPLAT_RENDERER_RASTER_GPU_SORT) &&
!this._device.isWebGPU) {
this._currentRenderer = GSPLAT_RENDERER_RASTER_CPU_SORT;
} else {
Expand Down