Method ReadFromFile

Shadows/SampleFramework11/GraphicsTypes.cpp:498–527

}

void StructuredBuffer::ReadFromFile(const wchar* path, ID3D11Device* device)
{
    // Open the file
    HANDLE fileHandle = CreateFile(path, GENERIC_READ, FILE_SHARE_READ, nullptr, OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL, nullptr);
    if(fileHandle == INVALID_HANDLE_VALUE)
        Win32Call(false);

    // Read the buffer info
    bool32 useAsUAV, hiddenCounter, appendConsume;
    DWORD bytesRead = 0;
    Win32Call(ReadFile(fileHandle, &Size, 4, &bytesRead, nullptr));
    Win32Call(ReadFile(fileHandle, &Stride, 4, &bytesRead, nullptr));
    Win32Call(ReadFile(fileHandle, &NumElements, 4, &bytesRead, nullptr));
    Win32Call(ReadFile(fileHandle, &useAsUAV, 4, &bytesRead, nullptr));
    Win32Call(ReadFile(fileHandle, &hiddenCounter, 4, &bytesRead, nullptr));
    Win32Call(ReadFile(fileHandle, &appendConsume, 4, &bytesRead, nullptr));

    // Read the buffer data
    UINT8* bufferData = new UINT8[Size];
    Win32Call(ReadFile(fileHandle, bufferData, Size, &bytesRead, nullptr));

    // Close the file
    Win32Call(CloseHandle(fileHandle));

    // Init
    Initialize(device, Stride, NumElements, useAsUAV, appendConsume, hiddenCounter, bufferData);

    // Clean up
    delete [] bufferData;
}

// == StagingBuffer ===============================================================================