Class WebGPUContext

constructor

• new WebGPUContext(memory, device): WebGPUContext

• Parameters

  • memory: Memory

  • device: GPUDevice

  Returns WebGPUContext

device

memory

bindCanvas

• bindCanvas(canvas): void

• Bind a canvas element to the runtime.

  Parameters

  • canvas: HTMLCanvasElement

    The HTML canvas/

  Returns void

clearCanvas

• clearCanvas(): void

• Clear canvas

  Returns void

copyRawBytesToBuffer

• copyRawBytesToBuffer(rawBytes, toPtr, toOffset, nbytes): void

• Copy raw bytes into buffer ptr.

  Parameters

  • rawBytes: Uint8Array

    The raw bytes

  • toPtr: number

    The target gpu buffer ptr

  • toOffset: number

    The beginning offset

  • nbytes: number

    Number of bytes

  Returns void

createShader

• createShader(finfo, code): Function

• Create a PackedFunc that runs the given shader via createComputePipeline

  Parameters

  • finfo: FunctionInfo

  • code: string

    The shader data(in WGSL)

  Returns Function

  The shader

createShaderAsync

• createShaderAsync(finfo, code): Promise<Function>

• Create a PackedFunc that runs the given shader asynchronously via createComputePipelineAsync

  Parameters

  • finfo: FunctionInfo

  • code: string

    The shader data(in WGSL)

  Returns Promise<Function>

  The shader

dispose

• dispose(): void

• Dispose context.

  Returns void

drawImageFromBuffer

• drawImageFromBuffer(ptr, height, width): void

• Draw image from data in storage buffer.

  Parameters

  • ptr: number

    The GPU ptr

  • height: number

    The height of the image.

  • width: number

    The width of the image.

  Returns void

getDeviceAPI

• getDeviceAPI(name): Function

• Get the device API according to its name

  Parameters

  • name: string

  Returns Function

  The corresponding device api.

runtimeStatsText

• runtimeStatsText(): string

• Obtain the runtime information in readable format.

  Returns string

sync

• sync(): Promise<void>

• Wait for all pending GPU tasks to complete

  Returns Promise<void>