glslang SPV tests: Add a set of SPV tests.

git-svn-id: https://cvs.khronos.org/svn/repos/ogl/trunk/ecosystem/public/sdk/tools/glslang@31212 e7fa87d3-cd2b-0410-9028-fcbf551c1848

Test/spv.variableArrayIndex.frag

@@ -0,0 +1,48 @@
+#version 130
+uniform sampler2D sampler;
+varying vec2 coord;
+
+struct lunarStruct1 {
+    int i;
+    float f;
+};
+
+struct lunarStruct2 {
+    int i;
+    float f;
+    lunarStruct1 s1_1;
+};
+
+struct lunarStruct3 {
+    lunarStruct2 s2_1[3];
+    int i;
+    float f;
+    lunarStruct1 s1_1;
+};
+
+
+uniform lunarStruct1 foo;
+uniform lunarStruct2 foo2[5];
+uniform lunarStruct3 foo3;
+uniform int Count;
+
+void main()
+{
+    float scale;
+    int iLocal = Count;
+
+    if (foo3.s2_1[1].i > 0)
+        scale = foo2[foo3.s2_1[foo.i].i + 2 + ++iLocal].s1_1.f;
+    else
+        scale = foo3.s2_1[0].s1_1.f;
+
+    //for (int i = 0; i < iLocal; ++i) {
+    //	scale += foo2[i].f;
+    //}
+
+    gl_FragColor =  scale * texture2D(sampler, coord);
+
+    vec2[3] constructed = vec2[3](coord, vec2(scale), vec2(1.0, 2.0));
+    gl_FragColor += vec4(constructed[foo.i], constructed[foo.i]);
+}
+