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.150.geom

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+#version 150 core
+
+layout(triangles_adjacency) in;
+layout(max_vertices = 30) out;
+layout(stream = 3, triangle_strip) out;
+
+in fromVertex {
+    in vec3 color;
+} fromV[];
+
+out toFragment {
+    out vec3 color;
+} toF;
+
+out fromVertex {
+    vec3 color;
+};
+
+void main()
+{
+    color = fromV[0].color;
+    //?? gl_ClipDistance[3] = gl_in[1].gl_ClipDistance[2];
+    gl_Position = gl_in[0].gl_Position;
+    gl_PointSize = gl_in[3].gl_PointSize;
+    gl_PrimitiveID = gl_PrimitiveIDIn;
+    gl_Layer = 2;
+
+    EmitVertex();
+
+    color = 2 * fromV[0].color;
+    gl_Position = 2.0 * gl_in[0].gl_Position;
+    gl_PointSize = 2.0 * gl_in[3].gl_PointSize;
+    gl_PrimitiveID = gl_PrimitiveIDIn + 1;
+    gl_Layer = 3;
+
+    EmitVertex();
+
+    EndPrimitive();
+}