gpu-error: webgpu · apple metal-3 · macOS

gpu-error — GPUValidationError: Error while parsing WGSL: :9:8 error: structures must have at least one member
struct OutputType {
^^^^^^^^^^

• While calling [Device].CreateShaderModule([ShaderModuleDescriptor ""fragment_WarTable_Mat""]).

Renderer WebGPU · apple metal-3 · 2436×1241 @1x · r180 · post: dof+smaa · 165 textures in 37 models
Render incidents 5 (gpu-error, shader)
Build 4cb88c2 · Origin https://dev.wartabletactics.com · Map The Ambush · Phase Battle · Turn 1

Incidents so far:

• +42.5s gpu-error: GPUValidationError: Error while parsing WGSL: :9:8 error: structures must have at least one member

struct OutputType {
^^^^^^^^^^

• While calling [Device].CreateShaderModule([ShaderModuleDescriptor ""fragment_WarTable_Mat""]).

• +42.5s shader: fragment_WarTable_Mat 9:8 structures must have at least one member
• +42.5s gpu-error: renderPipeline_WarTable_Mat_122: [Invalid ShaderModule "fragment_WarTable_Mat"] is invalid due to a previous error.
• While validating fragment stage ([Invalid ShaderModule "fragment_WarTable_Mat"], entryPoint: "main").
• While validating fragment state.
• While calling [Device].CreateRenderPipeline([RenderPipelineDescriptor ""renderPipeline_WarTable_Mat_122""]).

• +42.8s gpu-error: GPUValidationError: [Invalid RenderPipeline "renderPipeline_WarTable_Mat_122"] is invalid due to a previous error.
• While encoding [RenderPassEncoder (unlabeled)].SetPipeline([Invalid RenderPipeline "renderPipeline_WarTable_Mat_122"]).
• While finishing [CommandEncoder "renderContext_35"].

(×6)

• +42.8s gpu-error: GPUValidationError: [Invalid CommandBuffer from CommandEncoder "renderContext_35"] is invalid due to a previous error.
• While calling [Queue].Submit([[Invalid CommandBuffer from CommandEncoder "renderContext_35"]])

(×6)

Console, last lines:

• warn: [frame] 248 ms between frames in "cutscene" (this frame's own work 5 ms; no labelled span)
• warn: THREE.TSL: Vertex attribute "normal" not found on geometry.
• warn: THREE.TSL: Vertex attribute "normal" not found on geometry.
• warn: [stall] 401 ms in "frame:render" — over the 85 ms DSP budget, the mixer missed 4 buffer(s)
• warn: [frame] 432 ms between frames in "cutscene" (this frame's own work 420 ms: frame:probe 19, frame:render 401; unattributed 0)

Diagnostics attached as wtt-render-report.json (game state included).