1 files changed, 22 insertions, 0 deletions
diff --git a/dom/canvas/test/webgl-conf/checkout/conformance/ogles/GL/smoothstep/smoothstep_float_vert_xvary_edgeconstquarter_ref.vert b/dom/canvas/test/webgl-conf/checkout/conformance/ogles/GL/smoothstep/smoothstep_float_vert_xvary_edgeconstquarter_ref.vert
new file mode 100644
index 0000000000..8bd69f3b62
--- /dev/null
+++ b/dom/canvas/test/webgl-conf/checkout/conformance/ogles/GL/smoothstep/smoothstep_float_vert_xvary_edgeconstquarter_ref.vert
@@ -0,0 +1,22 @@
+
+/*
+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.
+*/
+
+
+attribute vec4 gtf_Color;
+attribute vec4 gtf_Vertex;
+uniform mat4 gtf_ModelViewProjectionMatrix;
+varying vec4 color;
+
+void main (void)
+{
+	const float edge0 = 0.25;
+	const float edge1 = 0.75;
+	float c = clamp((gtf_Color.r - edge0) / (edge1 - edge0), 0.0, 1.0);
+
+	color = vec4(c * c * (3.0 - 2.0 * c), 0.0, 0.0, 1.0);
+	gl_Position = gtf_ModelViewProjectionMatrix * gtf_Vertex;
+}