1 files changed, 68 insertions, 0 deletions
diff --git a/dom/canvas/test/webgl-conf/checkout/conformance/ogles/GL/functions/vec4_empty_out_vec4_empty_vert.vert b/dom/canvas/test/webgl-conf/checkout/conformance/ogles/GL/functions/vec4_empty_out_vec4_empty_vert.vert
new file mode 100644
index 0000000000..c26956cf07
--- /dev/null
+++ b/dom/canvas/test/webgl-conf/checkout/conformance/ogles/GL/functions/vec4_empty_out_vec4_empty_vert.vert
@@ -0,0 +1,68 @@
+
+/*
+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.
+vec4 function(out vec4 par);
+bool is_all(const in vec4 par, const in float value);
+void set_all(out vec4 par, const in float value);
+
+void main (void)
+{
+	vec4 par = vec4(1.0, 1.0, 1.0, 1.0);
+	vec4 ret = vec4(0.0, 0.0, 0.0, 0.0);
+
+	float gray = 0.0;
+
+	ret = function(par);
+
+	// The parameter should be changed by the function and the function should return 1.0.
+	if(is_all(par, 0.0) && is_all(ret, 1.0))
+	{
+		gray = 1.0;
+	}
+
+	color = vec4(gray, gray, gray, 1.0);
+	gl_Position = gtf_ModelViewProjectionMatrix * gtf_Vertex;
+}
+
+// Function definition.
+vec4 function(out vec4 par)
+{
+	// Test parameter qualifier (default is "in").
+	set_all(par, 0.0);
+
+	return vec4(1.0, 1.0, 1.0, 1.0);
+}
+
+bool is_all(const in vec4 par, const in float value)
+{
+	bool ret = true;
+
+	if(par[0] != value)
+		ret = false;
+	if(par[1] != value)
+		ret = false;
+	if(par[2] != value)
+		ret = false;
+	if(par[3] != value)
+		ret = false;
+
+	return ret;
+}
+
+void set_all(out vec4 par, const in float value)
+{
+	par[0] = value;
+	par[1] = value;
+	par[2] = value;
+	par[3] = value;
+}