commit 3b5c2dae61d95932349f2bf82b1f990739730292
author Jamie Madill <jmadill@chromium.org> Tue Aug 19 15:23:32 2014 -0400
committer Jamie Madill <jmadill@chromium.org> Mon Aug 25 20:19:56 2014 +0000
tree e576ead33f66f3b834827abc17896ffac06aaddb
parent 268b6bcd5d415e2169228f4f082e546ac05aa899

Add a new invariant declaration operator.

BUG=angle:711

Change-Id: I54a48b636a68c317b8d44ee2d578847b80095289
Reviewed-on: https://chromium-review.googlesource.com/213500
Reviewed-by: Zhenyao Mo <zmo@chromium.org>
Tested-by: Jamie Madill <jmadill@chromium.org>

src/compiler/translator/OutputGLSLBase.cpp

diff --git a/src/compiler/translator/OutputGLSLBase.cpp b/src/compiler/translator/OutputGLSLBase.cpp
index 09f7ad9..6d07ccc 100644
--- a/src/compiler/translator/OutputGLSLBase.cpp
+++ b/src/compiler/translator/OutputGLSLBase.cpp
@@ -81,8 +81,7 @@
 {
     TInfoSinkBase &out = objSink();
     TQualifier qualifier = type.getQualifier();
-    if (qualifier != EvqTemporary && qualifier != EvqGlobal &&
-        type.getBasicType() != EbtInvariant)
+    if (qualifier != EvqTemporary && qualifier != EvqGlobal)
     {
         out << type.getQualifierString() << " ";
     }
@@ -650,6 +649,17 @@
             mDeclaringVariables = false;
         }
         break;
+      case EOpInvariantDeclaration: {
+            // Invariant declaration.
+            ASSERT(visit == PreVisit);
+            const TIntermSequence *sequence = node->getSequence();
+            ASSERT(sequence && sequence->size() == 1);
+            const TIntermSymbol *symbol = sequence->front()->getAsSymbolNode();
+            ASSERT(symbol);
+            out << "invariant " << symbol->getSymbol() << ";";
+            visitChildren = false;
+            break;
+        }
       case EOpConstructFloat:
         writeTriplet(visit, "float(", NULL, ")");
         break;