1 files changed, 38 insertions, 0 deletions
diff --git a/dom/canvas/test/webgl-conf/checkout/conformance/ogles/GL/refract/refract_vec3_vert_ivarynconst_ref.vert b/dom/canvas/test/webgl-conf/checkout/conformance/ogles/GL/refract/refract_vec3_vert_ivarynconst_ref.vert
new file mode 100644
index 0000000000..5d1872fa74
--- /dev/null
+++ b/dom/canvas/test/webgl-conf/checkout/conformance/ogles/GL/refract/refract_vec3_vert_ivarynconst_ref.vert
@@ -0,0 +1,38 @@
+
+/*
+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 M_PI = 3.14159265358979323846;
+
+	// Both are unit vectors
+	vec3 v1;
+	vec3 v2 = normalize(vec3(1.0, 1.0, 1.0));
+
+	float theta = gtf_Color.g * 2.0 * M_PI;
+	float phi = gtf_Color.b * 2.0 * M_PI;
+	v1.x = cos(theta) * sin(phi);
+	v1.y = sin(theta) * sin(phi);
+	v1.z = cos(phi);
+
+	vec3 result;
+	float eta = 0.5;
+	float k = 1.0 - eta * eta * (1.0 - dot(v1, v2) * dot(v1, v2));
+	if(k < 0.0)
+		result = vec3(0.0);
+	else
+		result = eta * v1 - (eta * dot(v1, v2) + sqrt(k)) * v2;
+
+	color = vec4((result + 1.0) / 2.0, 1.0);
+	gl_Position = gtf_ModelViewProjectionMatrix * gtf_Vertex;
+}