Parser: Extension requirement of gl_PrimitiveID and gl_Layer should be checked only for ESSL instead of GLSL.

git-svn-id: https://cvs.khronos.org/svn/repos/ogl/trunk/ecosystem/public/sdk/tools/glslang@30613 e7fa87d3-cd2b-0410-9028-fcbf551c1848

GL_ARB_enhanced_layouts, final.  #extension tests, built-in constants, and bug fix for non-constant expression in layout(...=expr).


git-svn-id: https://cvs.khronos.org/svn/repos/ogl/trunk/ecosystem/public/sdk/tools/glslang@25220 e7fa87d3-cd2b-0410-9028-fcbf551c1848

 - moving offset calculations for std140/std430 from reflection to linkValidate.cpp
 - applying the offset/align rules on top of std140/std430
 - removing caching the structure's number of components (and correcting that this is components, not size)


git-svn-id: https://cvs.khronos.org/svn/repos/ogl/trunk/ecosystem/public/sdk/tools/glslang@25174 e7fa87d3-cd2b-0410-9028-fcbf551c1848

GL_ARB_enhanced_layouts, part 5: uniform offset and align semantics.  Numerical computations not yet done.


git-svn-id: https://cvs.khronos.org/svn/repos/ogl/trunk/ecosystem/public/sdk/tools/glslang@25092 e7fa87d3-cd2b-0410-9028-fcbf551c1848

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