diff --git a/dom/canvas/WebGL2Context.h b/dom/canvas/WebGL2Context.h
index cb2c09eb5c9a..22936bd7ffd2 100644
--- a/dom/canvas/WebGL2Context.h
+++ b/dom/canvas/WebGL2Context.h
@@ -122,16 +122,32 @@ private:
 
 public:
     void Uniform1uiv(WebGLUniformLocation* loc, const dom::Sequence<GLuint>& arr) {
-        Uniform1uiv_base(loc,arr.Length(), arr.Elements());
+        Uniform1uiv_base(loc, arr.Length(), arr.Elements());
     }
     void Uniform2uiv(WebGLUniformLocation* loc, const dom::Sequence<GLuint>& arr) {
-        Uniform2uiv_base(loc,arr.Length(), arr.Elements());
+        Uniform2uiv_base(loc, arr.Length(), arr.Elements());
     }
     void Uniform3uiv(WebGLUniformLocation* loc, const dom::Sequence<GLuint>& arr) {
-        Uniform3uiv_base(loc,arr.Length(), arr.Elements());
+        Uniform3uiv_base(loc, arr.Length(), arr.Elements());
     }
     void Uniform4uiv(WebGLUniformLocation* loc, const dom::Sequence<GLuint>& arr) {
-        Uniform4uiv_base(loc,arr.Length(), arr.Elements());
+        Uniform4uiv_base(loc, arr.Length(), arr.Elements());
+    }
+    void Uniform1uiv(WebGLUniformLocation* loc, const dom::Uint32Array& arr) {
+        arr.ComputeLengthAndData();
+        Uniform1uiv_base(loc, arr.Length(), arr.Data());
+    }
+    void Uniform2uiv(WebGLUniformLocation* loc, const dom::Uint32Array& arr) {
+        arr.ComputeLengthAndData();
+        Uniform2uiv_base(loc, arr.Length(), arr.Data());
+    }
+    void Uniform3uiv(WebGLUniformLocation* loc, const dom::Uint32Array& arr) {
+        arr.ComputeLengthAndData();
+        Uniform3uiv_base(loc, arr.Length(), arr.Data());
+    }
+    void Uniform4uiv(WebGLUniformLocation* loc, const dom::Uint32Array& arr) {
+        arr.ComputeLengthAndData();
+        Uniform4uiv_base(loc, arr.Length(), arr.Data());
     }
 
 private:
diff --git a/dom/webidl/WebGL2RenderingContext.webidl b/dom/webidl/WebGL2RenderingContext.webidl
index 93719a627a51..417133877ec2 100644
--- a/dom/webidl/WebGL2RenderingContext.webidl
+++ b/dom/webidl/WebGL2RenderingContext.webidl
@@ -375,9 +375,13 @@ interface WebGL2RenderingContext : WebGLRenderingContext
     void uniform2ui(WebGLUniformLocation? location, GLuint v0, GLuint v1);
     void uniform3ui(WebGLUniformLocation? location, GLuint v0, GLuint v1, GLuint v2);
     void uniform4ui(WebGLUniformLocation? location, GLuint v0, GLuint v1, GLuint v2, GLuint v3);
+    void uniform1uiv(WebGLUniformLocation? location, Uint32Array value);
     void uniform1uiv(WebGLUniformLocation? location, sequence<GLuint> value);
+    void uniform2uiv(WebGLUniformLocation? location, Uint32Array value);
     void uniform2uiv(WebGLUniformLocation? location, sequence<GLuint> value);
+    void uniform3uiv(WebGLUniformLocation? location, Uint32Array value);
     void uniform3uiv(WebGLUniformLocation? location, sequence<GLuint> value);
+    void uniform4uiv(WebGLUniformLocation? location, Uint32Array value);
     void uniform4uiv(WebGLUniformLocation? location, sequence<GLuint> value);
     void uniformMatrix2x3fv(WebGLUniformLocation? location, GLboolean transpose, Float32Array value);
     void uniformMatrix2x3fv(WebGLUniformLocation? location, GLboolean transpose, sequence<GLfloat> value);