Externals: Add glslang from Vulkan SDK v1.0.21.1

Externals/glslang/StandAlone/Worklist.h

@@ -0,0 +1,98 @@
+//
+//Copyright (C) 2013 LunarG, Inc.
+//
+//All rights reserved.
+//
+//Redistribution and use in source and binary forms, with or without
+//modification, are permitted provided that the following conditions
+//are met:
+//
+//    Redistributions of source code must retain the above copyright
+//    notice, this list of conditions and the following disclaimer.
+//
+//    Redistributions in binary form must reproduce the above
+//    copyright notice, this list of conditions and the following
+//    disclaimer in the documentation and/or other materials provided
+//    with the distribution.
+//
+//    Neither the name of 3Dlabs Inc. Ltd. nor the names of its
+//    contributors may be used to endorse or promote products derived
+//    from this software without specific prior written permission.
+//
+//THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+//"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+//LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+//FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
+//COPYRIGHT HOLDERS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
+//INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
+//BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+//LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
+//CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+//LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
+//ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+//POSSIBILITY OF SUCH DAMAGE.
+//
+#ifndef WORKLIST_H_INCLUDED
+#define WORKLIST_H_INCLUDED
+
+#include "../glslang/OSDependent/osinclude.h"
+#include <string>
+#include <list>
+
+namespace glslang {
+
+    class TWorkItem {
+    public:
+        TWorkItem() { }
+        explicit TWorkItem(const std::string& s) :
+            name(s) { }
+        std::string name;
+        std::string results;
+        std::string resultsIndex;
+    };
+
+    class TWorklist {
+    public:
+        TWorklist() { }
+        virtual ~TWorklist() { }
+
+        void add(TWorkItem* item)
+        {
+            GetGlobalLock();
+            
+            worklist.push_back(item);
+            
+            ReleaseGlobalLock();
+        }
+    
+        bool remove(TWorkItem*& item)
+        {
+            GetGlobalLock();
+            
+            if (worklist.empty())
+                return false;
+            item = worklist.front();
+            worklist.pop_front();
+            
+            ReleaseGlobalLock();
+
+            return true;
+        }
+
+        int size()
+        {
+            return (int)worklist.size();
+        }
+
+        bool empty()
+        {
+            return worklist.empty();
+        }
+
+    protected:
+        std::list<TWorkItem*> worklist;
+    };
+
+} // end namespace glslang
+
+#endif // WORKLIST_H_INCLUDED