Function getSampler

getSampler(
    input: {
        samplerBindingType?: GPUSamplerBindingType;
        samplerDescriptor?: GPUSamplerDescriptor;
        samplerFilter?: GPUFilterMode;
    },
    scene: Scene,
): { bindingType: GPUSamplerBindingType; sampler: GPUSampler }
1、检查材质的sampler是否存在，不存在就创建一个。 2、设置this._samplerBindingType:GPUSamplerBindingType
Parameters
- input: {
      samplerBindingType?: GPUSamplerBindingType;
      samplerDescriptor?: GPUSamplerDescriptor;
      samplerFilter?: GPUFilterMode;
  }
  IV_BaseMaterial 材质的输入参数
- scene: Scene
Returns { bindingType: GPUSamplerBindingType; sampler: GPUSampler }
GPUSampler 材质的sampler
- Defined in src/we/core/sampler/baseFunction.ts:11