SPV: Require desktop 140 or ES 310 or above.

Test/spv.earlyReturnDiscard.frag

@@ -1,10 +1,10 @@
-#version 110
+#version 140
 
 uniform float d;
 uniform vec4 bigColor, smallColor;
 uniform vec4 otherColor;
 
-varying float c;
+in float c;
 
 uniform float threshhold;
 uniform float threshhold2;
@@ -12,7 +12,7 @@ uniform float threshhold3;
 
 uniform float minimum;
 
-varying vec4 BaseColor;
+in vec4 BaseColor;
 
 uniform bool b;