go-libwebp

Experimental translation from libwebp to Go source.
Log | Files | Refs | README | LICENSE

backend_wazero.go (694B)

      1 //go:build !transpiled && !nowasm
      2 
      3 // This file is named for wazero rather than for wasm on purpose: wasm is a
      4 // valid GOARCH, so a _wasm.go suffix would apply an implicit GOARCH=wasm
      5 // build constraint and silently drop the backend from every ordinary build.
      6 
      7 package webp
      8 
      9 import (
     10 	"image"
     11 	"io"
     12 
     13 	wasm "git.sr.ht/~jackmordaunt/go-libwebp/v2/lib/wasm/webp"
     14 )
     15 
     16 func init() {
     17 	fallbackBackend = &backend{
     18 		name: "wasm",
     19 		// ready is deliberately nil; see the backend type. wasm.Init is
     20 		// sync.Once-lazy, so the module compiles on first real use only.
     21 		encode: func(w io.Writer, m *image.NRGBA, q float32) error {
     22 			return wasm.EncodeImpl(w, m, q)
     23 		},
     24 		decode: wasm.DecodeImpl,
     25 	}
     26 }