Add GetEsslVersionString() and GetGlslVersionString().

StandAlone/StandAlone.cpp

@@ -551,6 +551,9 @@ void CompileAndLinkShaders()
 {
     // keep track of what to free
     std::list<glslang::TShader*> shaders;
+    
+    //printf("%s\n", glslang::GetEsslVersionString());
+    //printf("%s\n", glslang::GetGlslVersionString());
 
     EShMessages messages = EShMsgDefault;
     SetMessageOptions(messages);

glslang/MachineIndependent/ShaderLang.cpp

@@ -912,6 +912,16 @@ int ShGetUniformLocation(const ShHandle handle, const char* name)
 
 namespace glslang {
 
+const char* GetEsslVersionString()
+{
+    return "OpenGL ES GLSL 3.00 glslang";
+}
+
+const char* GetGlslVersionString()
+{
+    return "4.20 glslang";
+}
+
 bool InitializeProcess()
 {
     return ShInitialize() != 0;

glslang/Public/ShaderLang.h

@@ -263,6 +263,9 @@ class TInfoSink;
 
 namespace glslang {
 
+const char* GetEsslVersionString();
+const char* GetGlslVersionString();
+
 class TIntermediate;
 class TProgram;
 class TPoolAllocator;