Limited availability
Secure context: This feature is available only in secure contexts (HTTPS), in some or all supporting browsers.
Note: This feature is available in Web Workers.
The getBindGroupLayout()
method of the GPUComputePipeline
interface returns the pipeline's GPUBindGroupLayout
object with the given index (i.e., included in the originating GPUDevice.createComputePipeline()
or GPUDevice.createComputePipelineAsync()
call's pipeline layout).
If the GPUComputePipeline
was created with layout: "auto"
, this method is the only way to retrieve the GPUBindGroupLayout
s generated by the pipeline.
getBindGroupLayout(index)
Parameters
index
A number representing the index of the GPUBindGroupLayout
to return.
A GPUBindGroupLayout
object instance.
The following criteria must be met when calling getBindGroupLayout()
, otherwise a GPUValidationError
is generated and an invalid GPUBindGroupLayout
object is returned:
index
is less than the number of GPUBindGroupLayout
objects used in the pipeline layout.Note: You can see complete working examples with getBindGroupLayout()
in action in the WebGPU samples.
// â¦
// Create a compute pipeline using layout: "auto" to automatically generate
// appropriate bind group layouts
const computePipeline = device.createComputePipeline({
layout: "auto",
compute: {
module: shaderModule,
entryPoint: "main",
},
});
// Create a bind group with the auto-generated layout from the compute pipeline
const computeBindGroup = device.createBindGroup({
layout: computePipeline.getBindGroupLayout(0),
entries: [
{
binding: 0,
resource: { buffer: storageBuffer },
},
],
});
// â¦
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