Update the scalar SIMD fallback

Cargo.lock

@@ -164,6 +164,7 @@ dependencies = [
  "gl 0.6.5 (registry+https://github.com/rust-lang/crates.io-index)",
  "pathfinder_demo 0.1.0",
  "pathfinder_geometry 0.3.0",
+ "pathfinder_simd 0.3.0",
  "sdl2 0.32.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "sdl2-sys 0.32.5 (registry+https://github.com/rust-lang/crates.io-index)",
 ]

demo/native/Cargo.toml

@@ -4,6 +4,9 @@ version = "0.1.0"
 edition = "2018"
 authors = ["Patrick Walton <pcwalton@mimiga.net>"]
 
+[features]
+pf-no-simd = ["pathfinder_simd/pf-no-simd"]
+
 [dependencies]
 gl = "0.6"
 sdl2 = "0.32"
@@ -14,3 +17,6 @@ path = "../common"
 
 [dependencies.pathfinder_geometry]
 path = "../../geometry"
+
+[dependencies.pathfinder_simd]
+path = "../../simd"

simd/Cargo.toml

@@ -4,4 +4,7 @@ version = "0.3.0"
 edition = "2018"
 authors = ["Patrick Walton <pcwalton@mimiga.net>"]
 
+[features]
+pf-no-simd = []
+
 [dependencies]