1 files changed, 7 insertions, 0 deletions
diff --git a/gfx/wr/swgl/src/glsl.h b/gfx/wr/swgl/src/glsl.h
index 9193c72424..213cdd40b9 100644
--- a/gfx/wr/swgl/src/glsl.h
+++ b/gfx/wr/swgl/src/glsl.h
@@ -106,6 +106,7 @@ float force_scalar(Float f) { return f[0]; }
 
 int32_t force_scalar(I32 i) { return i[0]; }
 
+struct vec3;
 struct vec4;
 struct ivec2;
 
@@ -2287,6 +2288,12 @@ bvec2_scalar notEqual(vec2_scalar x, vec2_scalar y) {
   return bvec2_scalar(notEqual(x.x, y.x), notEqual(x.y, y.y));
 }
 
+vec3 floor(vec3 v) { return vec3(floor(v.x), floor(v.y), floor(v.z)); }
+
+vec4 floor(vec4 v) {
+  return vec4(floor(v.x), floor(v.y), floor(v.z), floor(v.w));
+}
+
 struct mat4_scalar;
 
 struct mat2_scalar {