demo · v142

Texture component swizzle

Pick a source colour, then remap which input channel feeds each output channel — exactly the semantics of GPUTextureViewDescriptor.componentSwizzle. The right swatch shows the result the shader would see when sampling, computed entirely on the CPU.

source colour:

source texture

after swizzle (shader sees)



    

      

        
navigator.gpu present

        
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texture-component-swizzle adapter feature

        
checking…

      

    

  


  
relevant API


const view = texture.createView({
  componentSwizzle: { r: "b", g: "g", b: "r", a: "a" } // BGRA
});


  

    
see also