GL_ARB_enhanced_layouts, part 2: Full implementation of location/component, plus the parsing for xfb* and align/offset (but not yet full semantics for align/offset).

git-svn-id: https://cvs.khronos.org/svn/repos/ogl/trunk/ecosystem/public/sdk/tools/glslang@24692 e7fa87d3-cd2b-0410-9028-fcbf551c1848

Test/440.frag

@@ -0,0 +1,22 @@
+#version 440
+
+// Note 'location'-only tests for enhanced layouts are in 330.frag
+// Generic 'component' tests are in 440.vert
+
+// a consumes components 2 and 3 of location 4
+layout(location = 4, component = 2) in vec2 a; 
+
+// b consumes component 1 of location 4
+layout(location = 4, component = 1) in float b; 
+layout(location = 4, component = 2) in vec2 h;  // ERROR, component overlap not okay for fragment in
+
+layout(location = 3, component = 2) in vec3 c;  // ERROR: c overflows components 2 and 3
+
+// e consumes beginning (components 0, 1 and 2) of each of 6 slots
+layout(location = 20, component = 0) in vec3 e[6];
+
+// f consumes last component of the same 6 slots 
+layout(location = 20, component = 3) in float f[6];
+
+layout(location = 30, component = 3) out int be;
+layout(location = 30, component = 0) out vec3 bf;  // ERROR, not the same basic type