From 3e16116fd369ad3cf3600b2c3015daa3cea80e63 Mon Sep 17 00:00:00 2001
From: assiduous <assiduous@diligentgraphics.com>
Date: Wed, 25 Dec 2019 14:30:37 -0800
Subject: Native app: added gloden image processing

---
 NativeApp/include/AppBase.h     | 17 +++++++++++++++++
 NativeApp/src/Win32/WinMain.cpp | 21 ++++++++++++++++++---
 TextureLoader/src/Image.cpp     |  8 ++++++--
 3 files changed, 41 insertions(+), 5 deletions(-)

diff --git a/NativeApp/include/AppBase.h b/NativeApp/include/AppBase.h
index 634de48..60cf937 100644
--- a/NativeApp/include/AppBase.h
+++ b/NativeApp/include/AppBase.h
@@ -29,6 +29,13 @@ namespace Diligent
 class AppBase
 {
 public:
+    enum class GoldenImageMode
+    {
+        None = 0,
+        Capture,
+        Compare
+    };
+
     virtual ~AppBase() {}
 
     virtual void        ProcessCommandLine(const char* CmdLine) = 0;
@@ -42,6 +49,16 @@ public:
         width  = 0;
         height = 0;
     }
+
+    virtual GoldenImageMode GetGoldenImageMode() const
+    {
+        return GoldenImageMode::None;
+    }
+
+    virtual int GetExitCode() const
+    {
+        return 0;
+    }
 };
 
 } // namespace Diligent
diff --git a/NativeApp/src/Win32/WinMain.cpp b/NativeApp/src/Win32/WinMain.cpp
index 63dd01c..3545c53 100644
--- a/NativeApp/src/Win32/WinMain.cpp
+++ b/NativeApp/src/Win32/WinMain.cpp
@@ -23,6 +23,8 @@
 
 #include <memory>
 #include <iomanip>
+#include <iostream>
+
 #include <Windows.h>
 #include <crtdbg.h>
 #include "NativeAppBase.h"
@@ -72,13 +74,26 @@ int WINAPI WinMain(HINSTANCE instance, HINSTANCE, LPSTR, int cmdShow)
                              rc.right - rc.left, rc.bottom - rc.top, NULL, NULL, instance, NULL);
     if (!wnd)
     {
-        MessageBoxA(NULL, "Cannot create window", "Error", MB_OK | MB_ICONERROR);
-        return 0;
+        std::cerr << "Failed to create a window";
+        return 1;
+    }
+
+    g_pTheApp->OnWindowCreated(wnd, WindowWidth, WindowHeight);
+
+    auto GoldenImgMode = g_pTheApp->GetGoldenImageMode();
+    if (GoldenImgMode != NativeAppBase::GoldenImageMode::None)
+    {
+        g_pTheApp->Update(0, 0);
+        g_pTheApp->Render();
+        g_pTheApp->Present();
+        auto ExitCode = g_pTheApp->GetExitCode();
+        g_pTheApp.reset();
+        return ExitCode;
     }
+
     ShowWindow(wnd, cmdShow);
     UpdateWindow(wnd);
 
-    g_pTheApp->OnWindowCreated(wnd, WindowWidth, WindowHeight);
     AppTitle = g_pTheApp->GetAppTitle();
 
     Diligent::Timer Timer;
diff --git a/TextureLoader/src/Image.cpp b/TextureLoader/src/Image.cpp
index 6472fd7..a5e4414 100644
--- a/TextureLoader/src/Image.cpp
+++ b/TextureLoader/src/Image.cpp
@@ -477,11 +477,15 @@ Image::Image(IReferenceCounters*  pRefCounters,
     }
     else if (LoadInfo.Format == EImageFileFormat::dds)
     {
-        LOG_ERROR("An image can't be created from DDS file. Use CreateTextureFromFile() or CreateTextureFromDDS() functions.");
+        LOG_ERROR_MESSAGE("An image can't be created from DDS file. Use CreateTextureFromFile() or CreateTextureFromDDS() functions.");
     }
     else if (LoadInfo.Format == EImageFileFormat::ktx)
     {
-        LOG_ERROR("An image can't be created from KTX file. Use CreateTextureFromFile() or CreateTextureFromKTX() functions.");
+        LOG_ERROR_MESSAGE("An image can't be created from KTX file. Use CreateTextureFromFile() or CreateTextureFromKTX() functions.");
+    }
+    else
+    {
+        LOG_ERROR_MESSAGE("Unknown image format.");
     }
 }
 
-- 
cgit v1.2.3