1 files changed, 45 insertions, 0 deletions
diff --git a/Tests/VSWinStorePhone/Direct3DApp1/DirectXHelper.h b/Tests/VSWinStorePhone/Direct3DApp1/DirectXHelper.h
new file mode 100644
index 0000000000..d411a9b815
--- /dev/null
+++ b/Tests/VSWinStorePhone/Direct3DApp1/DirectXHelper.h
@@ -0,0 +1,45 @@
+#pragma once
+
+#include <wrl/client.h>
+#include <ppl.h>
+#include <ppltasks.h>
+
+namespace DX
+{
+  inline void ThrowIfFailed(HRESULT hr)
+  {
+    if (FAILED(hr))
+    {
+      // Set a breakpoint on this line to catch Win32 API errors.
+      throw Platform::Exception::CreateException(hr);
+    }
+  }
+
+  // Function that reads from a binary file asynchronously.
+  inline Concurrency::task<Platform::Array<byte>^> ReadDataAsync(Platform::String^ filename)
+  {
+    using namespace Windows::Storage;
+    using namespace Concurrency;
+
+    auto folder = Windows::ApplicationModel::Package::Current->InstalledLocation;
+
+    return create_task(folder->GetFileAsync(filename)).then([] (StorageFile^ file)
+    {
+#if !PHONE
+      return FileIO::ReadBufferAsync(file);
+#else
+      return file->OpenReadAsync();
+    }).then([](Streams::IRandomAccessStreamWithContentType^ stream)
+    {
+      unsigned int bufferSize = static_cast<unsigned int>(stream->Size);
+      auto fileBuffer = ref new Streams::Buffer(bufferSize);
+      return stream->ReadAsync(fileBuffer, bufferSize, Streams::InputStreamOptions::None);
+#endif
+    }).then([] (Streams::IBuffer^ fileBuffer) -> Platform::Array<byte>^
+    {
+      auto fileData = ref new Platform::Array<byte>(fileBuffer->Length);
+      Streams::DataReader::FromBuffer(fileBuffer)->ReadBytes(fileData);
+      return fileData;
+    });
+  }
+}