Update `model-viewer` example and fixing compiler bugs. (#1795)

2 files changed, 53 insertions, 0 deletions

diff --git a/examples/example-base/example-base.cpp b/examples/example-base/example-base.cpp
index b06bbdf7e..09891e555 100644
--- a/examples/example-base/example-base.cpp
+++ b/examples/example-base/example-base.cpp
@@ -1,4 +1,10 @@
 #include "example-base.h"
+#include <chrono>
+
+#ifdef _WIN32
+#define WIN32_LEAN_AND_MEAN
+#include <Windows.h>
+#endif
 
 using namespace Slang;
 using namespace gfx;
@@ -20,6 +26,7 @@ Slang::Result WindowedAppBase::initializeBase(const char* title, int width, int
 
     // Initialize the rendering layer.
     IDevice::Desc deviceDesc = {};
+    // deviceDesc.slang.targetFlags = SLANG_TARGET_FLAG_DUMP_IR;
     gfx::Result res = gfxCreateDevice(&deviceDesc, gDevice.writeRef());
     if (SLANG_FAILED(res))
         return res;
@@ -158,3 +165,11 @@ void WindowedAppBase::windowSizeChanged()
         }
     }
 }
+
+int64_t getCurrentTime() { return std::chrono::high_resolution_clock::now().time_since_epoch().count(); }
+
+int64_t getTimerFrequency() { return std::chrono::high_resolution_clock::period::den; }
+
+#ifdef _WIN32
+void _Win32OutputDebugString(const char* str) { OutputDebugStringW(Slang::String(str).toWString().begin()); }
+#endif
diff --git a/examples/example-base/example-base.h b/examples/example-base/example-base.h
index ab7522f06..67f722c11 100644
--- a/examples/example-base/example-base.h
+++ b/examples/example-base/example-base.h
@@ -4,6 +4,10 @@
 #include "tools/platform/window.h"
 #include "source/core/slang-basic.h"
 
+#ifdef _WIN32
+void _Win32OutputDebugString(const char* str);
+#endif
+
 struct WindowedAppBase
 {
 protected:
@@ -35,6 +39,40 @@ public:
     virtual void finalize() { gQueue->wait(); }
 };
 
+int64_t getCurrentTime();
+int64_t getTimerFrequency();
+
+template<typename ... TArgs> inline void reportError(const char* format, TArgs... args)
+{
+    printf(format, args...);
+#ifdef _WIN32
+    char buffer[4096];
+    sprintf_s(buffer, format, args...);
+    _Win32OutputDebugString(buffer);
+#endif
+}
+
+template <typename... TArgs> inline void log(const char* format, TArgs... args)
+{
+    reportError(format, args...);
+}
+
+// Many Slang API functions return detailed diagnostic information
+// (error messages, warnings, etc.) as a "blob" of data, or return
+// a null blob pointer instead if there were no issues.
+//
+// For convenience, we define a subroutine that will dump the information
+// in a diagnostic blob if one is produced, and skip it otherwise.
+//
+inline void diagnoseIfNeeded(slang::IBlob* diagnosticsBlob)
+{
+    if (diagnosticsBlob != nullptr)
+    {
+        reportError("%s", (const char*)diagnosticsBlob->getBufferPointer());
+    }
+}
+
+
 template<typename TApp>
 int innerMain()
 {