1 files changed, 23 insertions, 0 deletions
diff --git a/dom/canvas/test/webgl-conf/checkout/conformance/ogles/GL/build/uniform1_frag.frag b/dom/canvas/test/webgl-conf/checkout/conformance/ogles/GL/build/uniform1_frag.frag
new file mode 100644
index 0000000000..1270647faa
--- /dev/null
+++ b/dom/canvas/test/webgl-conf/checkout/conformance/ogles/GL/build/uniform1_frag.frag
@@ -0,0 +1,23 @@
+
+/*
+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.
+*/
+
+
+#ifdef GL_ES
+precision mediump float;
+#endif
+struct gtf_FogParameters {
+vec4 color;
+float density;
+float start;
+float end;
+float scale;
+};
+uniform gtf_FogParameters gtf_Fog;
+void main()
+{
+    gtf_Fog.density = 1.0;  // cannot modify a uniform
+}