1 files changed, 48 insertions, 0 deletions
diff --git a/dom/canvas/test/webgl-conf/checkout/conformance/ogles/GL/functions/float_empty_empty_float_empty_vert.vert b/dom/canvas/test/webgl-conf/checkout/conformance/ogles/GL/functions/float_empty_empty_float_empty_vert.vert
new file mode 100644
index 0000000000..e8adae115d
--- /dev/null
+++ b/dom/canvas/test/webgl-conf/checkout/conformance/ogles/GL/functions/float_empty_empty_float_empty_vert.vert
@@ -0,0 +1,48 @@
+
+/*
+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_Vertex;
+uniform mat4 gtf_ModelViewProjectionMatrix;
+varying vec4 color;
+
+// Function declaration.
+float function(float par);
+
+void main (void)
+{
+	float par = 1.0;
+	float ret = 0.0;
+
+	float gray = 0.0;
+
+	ret = function(par);
+
+	// The parameter should remain unchanged by the function and the function should return 1.0.
+	if((par == 1.0) && (ret == 1.0))
+	{
+		gray = 1.0;
+	}
+
+	color = vec4(gray, gray, gray, 1.0);
+	gl_Position = gtf_ModelViewProjectionMatrix * gtf_Vertex;
+}
+
+// Function definition.
+float function(float par)
+{
+	// Return the value of the parameter.
+	if(par == 1.0)
+	{
+		// Test parameter qualifier (default is "in").
+		par = 0.0;
+
+		return 1.0;
+	}
+	else
+		return 0.0;
+}