Allow tessellation shaders to work on versions back to 150. Also combined all the tessellation tests into a single run.

git-svn-id: https://cvs.khronos.org/svn/repos/ogl/trunk/ecosystem/public/sdk/tools/glslang@24569 e7fa87d3-cd2b-0410-9028-fcbf551c1848

Test/150.tese

@@ -0,0 +1,35 @@
+#version 150
+
+#extension GL_ARB_tessellation_shader : enable
+
+layout(quads, cw) in;
+layout(fractional_odd_spacing) in;    
+layout(point_mode) in;
+patch in vec4 patchIn;
+
+void main()
+{
+    barrier(); // ERROR
+
+    int a = gl_MaxTessEvaluationInputComponents +
+            gl_MaxTessEvaluationOutputComponents +
+            gl_MaxTessEvaluationTextureImageUnits +
+            gl_MaxTessEvaluationUniformComponents +
+            gl_MaxTessPatchComponents +
+            gl_MaxPatchVertices +
+            gl_MaxTessGenLevel;
+
+    vec4 p = gl_in[1].gl_Position;
+    float ps = gl_in[1].gl_PointSize;
+    float cd = gl_in[1].gl_ClipDistance[2];
+
+    int pvi = gl_PatchVerticesIn;
+    int pid = gl_PrimitiveID;
+    vec3 tc = gl_TessCoord;
+    float tlo = gl_TessLevelOuter[3];
+    float tli = gl_TessLevelInner[1];
+
+    gl_Position = p;
+    gl_PointSize = ps;
+    gl_ClipDistance[2] = cd;
+}