Add basic intra-stage linking validation for matching types and qualification of uniforms/ins/outs/globals, function body duplication, and mixing ES/non-ES shaders.

Still need to handle arrays and built-in redeclarations, and many more rules, but this puts the basics in place.


git-svn-id: https://cvs.khronos.org/svn/repos/ogl/trunk/ecosystem/public/sdk/tools/glslang@23225 e7fa87d3-cd2b-0410-9028-fcbf551c1848

Test/runtests

@@ -33,7 +33,8 @@ function runLinkTest {
 }
 
 runLinkTest mains1.frag mains2.frag noMain1.geom noMain2.geom
-runLinkTest noMain.vert mains.frag 
+runLinkTest noMain.vert mains.frag
+runLinkTest link1.frag link2.frag link3.frag
 
 #
 # multi-threaded test
@@ -42,4 +43,3 @@ echo Comparing single thread to multithread for all tests in current directory..
 $EXE -i *.vert *.geom *.frag *.tes* *.comp > singleThread.out
 $EXE -i *.vert *.geom *.frag *.tes* *.comp -t > multiThread.out
 diff singleThread.out multiThread.out
-