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diff --git a/dom/canvas/test/webgl-conf/checkout/conformance/ogles/GL/equal/equal_ivec3_vert.vert b/dom/canvas/test/webgl-conf/checkout/conformance/ogles/GL/equal/equal_ivec3_vert.vert
new file mode 100644
index 0000000000..914b7e92a9
--- /dev/null
+++ b/dom/canvas/test/webgl-conf/checkout/conformance/ogles/GL/equal/equal_ivec3_vert.vert
@@ -0,0 +1,20 @@
+
+/*
+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)
+{
+ vec3 c = floor(10.0 * gtf_Color.rgb - 4.5); // round to the nearest integer
+ vec3 result = vec3(equal(ivec3(c), ivec3(0)));
+ color = vec4(result, 1.0);
+ gl_Position = gtf_ModelViewProjectionMatrix * gtf_Vertex;
+}