1 files changed, 55 insertions, 0 deletions

diff --git a/dxcommon/include/dxcommon.h b/dxcommon/include/dxcommon.h
new file mode 100644
index 0000000..0270629
--- /dev/null
+++ b/dxcommon/include/dxcommon.h
@@ -0,0 +1,55 @@
+#pragma once
+
+#include <wrl.h>
+
+#include <stdexcept>
+
+//#define IID_PPV_ARGS(ppType) __uuidof(**(ppType)), static_cast<void**>(ppType)
+
+namespace dx {
+
+using Microsoft::WRL::ComPtr;
+
+class exception : public std::exception {
+public:
+    exception() noexcept {}
+
+    exception(HRESULT result, const char* file, int line) noexcept
+    {
+        sprintf_s(m_error, sizeof(m_error), "%s:%d Failed with HRESULT = %08X",
+            file, line, static_cast<unsigned int>(result));
+    }
+
+    exception(const char* error, const char* file, int line) noexcept
+    {
+        sprintf_s(m_error, sizeof(m_error), "%s:%d %s", file, line, error);
+    }
+
+    const char* what() const noexcept
+    {
+        return m_error;
+    }
+
+private:
+    static char m_error[1024];
+};
+
+#define THROW(error) throw exception(error, __FILE__, __LINE__)
+
+#define ThrowIfFailed(result) {\
+    if (result != S_OK) {\
+        THROW(result);\
+    }\
+}
+
+template <typename T>
+void SafeRelease(ComPtr<T>& ptr)
+{
+    if (ptr)
+    {
+        ptr->Release();
+        ptr = nullptr;
+    }
+}
+
+}  // dx