1 files changed, 68 insertions, 0 deletions
diff --git a/NativeApp/include/AppBase.hpp b/NativeApp/include/AppBase.hpp
new file mode 100644
index 0000000..4f7414b
--- /dev/null
+++ b/NativeApp/include/AppBase.hpp
@@ -0,0 +1,68 @@
+/*
+ *  Copyright 2019-2020 Diligent Graphics LLC
+ *  Copyright 2015-2019 Egor Yusov
+ *  
+ *  Licensed under the Apache License, Version 2.0 (the "License");
+ *  you may not use this file except in compliance with the License.
+ *  You may obtain a copy of the License at
+ *  
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *  
+ *  Unless required by applicable law or agreed to in writing, software
+ *  distributed under the License is distributed on an "AS IS" BASIS,
+ *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ *  See the License for the specific language governing permissions and
+ *  limitations under the License.
+ *
+ *  In no event and under no legal theory, whether in tort (including negligence), 
+ *  contract, or otherwise, unless required by applicable law (such as deliberate 
+ *  and grossly negligent acts) or agreed to in writing, shall any Contributor be
+ *  liable for any damages, including any direct, indirect, special, incidental, 
+ *  or consequential damages of any character arising as a result of this License or 
+ *  out of the use or inability to use the software (including but not limited to damages 
+ *  for loss of goodwill, work stoppage, computer failure or malfunction, or any and 
+ *  all other commercial damages or losses), even if such Contributor has been advised 
+ *  of the possibility of such damages.
+ */
+
+#pragma once
+
+namespace Diligent
+{
+
+class AppBase
+{
+public:
+    enum class GoldenImageMode
+    {
+        None = 0,
+        Capture,
+        Compare
+    };
+
+    virtual ~AppBase() {}
+
+    virtual void        ProcessCommandLine(const char* CmdLine) = 0;
+    virtual const char* GetAppTitle() const                     = 0;
+    virtual void        Update(double CurrTime, double ElapsedTime){};
+    virtual void        Render()                            = 0;
+    virtual void        Present()                           = 0;
+    virtual void        WindowResize(int width, int height) = 0;
+    virtual void        GetDesiredInitialWindowSize(int& width, int& height)
+    {
+        width  = 0;
+        height = 0;
+    }
+
+    virtual GoldenImageMode GetGoldenImageMode() const
+    {
+        return GoldenImageMode::None;
+    }
+
+    virtual int GetExitCode() const
+    {
+        return 0;
+    }
+};
+
+} // namespace Diligent