1941985 - [WebGPU] https://huggingface.co/spaces/webml-community/remove-background-webgpu is not working as expected

Status: RESOLVED FIXED

(Core :: Graphics: WebGPU, defect)

Description

[Mayank Bansal]

Attachment: Sample input

Go to https://huggingface.co/spaces/webml-community/remove-background-webgpu
Input the attached image
Click process.
Compare this with Chrome

AR:
The generated image is very different in Nightly compared to Chrome and looks incorrect. The image generated by Chrome looks correct (i.e. with hte background removed).

Comment 1

[Mayank Bansal]

Attachment: error log

Comment 2

[Erich Gubler [:ErichDonGubler] (he/him)]

When clicking the Process button in the linked page, I get the two distinct shader compilation issues in the console:

WebGPU compilation info for shader module "Resize" (1 error(s), 0 warning(s), 0 info)

Shader validation error: Function [5] 'getInputValue' is invalid
   ┌─ Resize:63:5
   │  
63 │ ╭     fn getInputValue(batch: u32, channel: u32, row: u32, col: u32) -> f32 {
64 │ │       var input_indices: vec4<u32>;
65 │ │       input_indices[2]=max(0, min(row, 21 - 1));;
   │ │                               ^^^ naga::Expression [8]
66 │ │       input_indices[3]=max(0, min(col, 16 - 1));;
   · │
70 │ │ 
71 │ │       return get_inputByIndices(input_indices);
   │ ╰───────────────────────────────────────────────^ naga::Function [5]
   │  
   = Expression [8] is invalid
   = Argument [1] to Min as expression [7] has an invalid type.

Shader validation error: Entry point main at Compute is invalid
   ┌─ InstanceNormComputeChannelScaleShift:24:30
   │
24 │     for (var i: u32 = 0; i < min(64, uniforms.H); i++) {
   │                              ^^^ naga::Expression [34]
   │
   = Expression [34] is invalid
   = Argument [1] to Min as expression [33] has an invalid type.

This is bug 1829879.

Comment 3

[Jeff Muizelaar [:jrmuizel]]

This works now.