1 files changed, 63 insertions, 0 deletions
diff --git a/dom/canvas/test/webgl-conf/checkout/conformance2/glsl3/no-attribute-vertex-shader.html b/dom/canvas/test/webgl-conf/checkout/conformance2/glsl3/no-attribute-vertex-shader.html
new file mode 100644
index 0000000000..eabbd9779d
--- /dev/null
+++ b/dom/canvas/test/webgl-conf/checkout/conformance2/glsl3/no-attribute-vertex-shader.html
@@ -0,0 +1,63 @@
+<!--
+Copyright (c) 2019 The Khronos Group Inc.
+Use of this source code is governed by an MIT-style license that can be
+found in the LICENSE.txt file.
+-->
+
+<!DOCTYPE html>
+<html>
+<head>
+<meta charset="utf-8">
+<title>Test no attribute vertex shaders</title>
+<link rel="stylesheet" href="../../resources/js-test-style.css"/>
+<script src="../../js/js-test-pre.js"></script>
+<script src="../../js/webgl-test-utils.js"></script>
+</head>
+<body>
+<div id="description"></div>
+<div id="console"></div>
+<script id="vertex-shader" type="x-shader/x-vertex">#version 300 es
+
+void main() {
+  ivec2 xy = ivec2(
+      gl_VertexID % 2,
+      (gl_VertexID / 2 + gl_VertexID / 3) % 2);
+  gl_Position = vec4(vec2(xy) * 2. - 1., 0, 1);
+}
+</script>
+<script id="fshader" type="x-shader/x-fragment">#version 300 es
+precision mediump float;
+out vec4 result;
+void main() {
+  result = vec4(0, 1, 0, 1);
+}
+</script>
+<script>
+"use strict";
+description("Test no attribute shaders work as expected");
+
+var wtu = WebGLTestUtils;
+var gl = wtu.create3DContext(undefined, undefined, 2);
+
+function test() {
+    debug("");
+    var program = wtu.setupProgram(gl, ["vertex-shader", "fshader"], undefined, undefined, true);
+    if (!program) {
+        testFailed('Program compilation failed');
+        return;
+    }
+
+    gl.drawArrays(gl.TRIANGLES, 0, 6);
+    wtu.checkCanvas(gl, [0, 255, 0, 255], "should be green", 0);
+};
+
+if (!gl) {
+    testFailed("context does not exist");
+} else {
+    test();
+}
+var successfullyParsed = true;
+finishTest();
+</script>
+</body>
+</html>