Definition
WebGPU defines GPUCanvasConfiguration
dictionary GPUCanvasConfiguration {
required GPUDevice device;
required GPUTextureFormat format;
GPUTextureUsageFlags usage = 0x10; // GPUTextureUsage.RENDER_ATTACHMENT
sequence<GPUTextureFormat> viewFormats = [];
PredefinedColorSpace colorSpace = "srgb";
GPUCanvasAlphaMode alphaMode = "opaque";
};