Add some missing invariant semantic checks, replace some misplaced sampler semantic checks, add parameter and structure member checks against new qualifiers.

git-svn-id: https://cvs.khronos.org/svn/repos/ogl/trunk/ecosystem/public/sdk/tools/glslang@23962 e7fa87d3-cd2b-0410-9028-fcbf551c1848

Test/100.frag

@@ -43,3 +43,36 @@ void main()
 
 invariant gl_FragColor;
 float fa[];              // ERROR
+float f13;
+invariant f13;           // ERROR
+struct S { int a; };
+invariant S;
+invariant float fi;      // ERROR
+varying vec4 av;
+invariant av;            // okay in v100
+
+void foo10()
+{
+    invariant f;         // ERROR
+    invariant float f2;  // ERROR
+    float f3;
+    invariant f3;        // ERROR
+}
+
+uniform vec2 uv2;
+invariant uv2;              // ERROR
+invariant uniform vec3 uv3; // ERROR
+
+sampler2D glob2D;           // ERROR
+void f11(sampler2D p2d)
+{
+    sampler2D v2D;          // ERROR
+}
+varying sampler2D vary2D;   // ERROR
+
+struct sp {
+    highp float f;
+    in float g;             // ERROR
+    uniform float h;        // ERROR
+    invariant float i;      // ERROR
+};