1 files changed, 53 insertions, 0 deletions

diff --git a/dxg/dxcommon.ixx b/dxg/dxcommon.ixx
new file mode 100644
index 0000000..b06ae95
--- /dev/null
+++ b/dxg/dxcommon.ixx
@@ -0,0 +1,53 @@
+module;
+
+#include <wrl.h>
+#include <stdexcept>
+
+export module dxcommon;
+
+using Microsoft::WRL::ComPtr;
+
+namespace dx {
+
+export {
+
+class exception : public std::exception
+{
+public:
+    exception() noexcept = default;
+
+    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);
+    }
+
+    [[nodiscard]] const char* what() const noexcept final
+    {
+        return m_error;
+    }
+
+private:
+    static thread_local char m_error[1024];
+};
+
+template <typename T>
+void SafeRelease(ComPtr<T>& ptr)
+{
+    if (ptr)
+    {
+        ptr->Release();
+        ptr = nullptr;
+    }
+}
+
+} // export
+
+thread_local char exception::m_error[1024];
+
+} // dx