Add uint type (big change). For both int/uint, add the operators >>, <<, &, |, and ^. Also added unsigned literals and uint precision support. Also fixed how int/uint literal underflow/overflow is handled.

git-svn-id: https://cvs.khronos.org/svn/repos/ogl/trunk/ecosystem/public/sdk/tools/glslang@21054 e7fa87d3-cd2b-0410-9028-fcbf551c1848

Test/precision.frag

@@ -10,7 +10,11 @@ lowp vec2 foo(mediump vec3 mv3)
 
 int global_medium;
 
-precision highp int;
+precision highp int; 
+precision highp ivec2;     // ERROR
+precision mediump int[2];  // ERROR
+precision lowp uint;       // ERROR
+precision mediump vec4;    // ERROR
 
 int global_high;