public HmdSwapTextureSet(IntPtr hmdPtr, Device device, int width, int height)
{
var cDesc = new _D3D11_TEXTURE2D_DESC()
{
Width = (uint)width,
Height = (uint)height,
MipLevels = (uint)1,
ArraySize = (uint)1,
Format = (uint)DrawSystem.GetRenderTargetFormat(),
SampleDesc_Count = (uint)1,
SampleDesc_Quality = (uint)0,
Usage = (uint)ResourceUsage.Default,
BindFlags = (uint)(BindFlags.RenderTarget | BindFlags.ShaderResource),
CPUAccessFlags = (uint)CpuAccessFlags.None,
MiscFlags = (uint)ResourceOptionFlags.None,
};
unsafe
{
IntPtr textureSetPtr;
int result = LibOVR.ovrHmd_CreateSwapTextureSetD3D11(hmdPtr, device.NativePointer, (IntPtr)(&cDesc), out textureSetPtr);
if (result != 0)
{
MessageBox.Show("Failed to ovrHmd_CreateSwapTexturesetD3D11() code=" + result);
return;
}
var textureSet = CRef <LibOVR.ovrSwapTextureSet> .FromPtr(textureSetPtr);
if (textureSet == null)
{
return;
}
var textureList = new List <CRef <LibOVR.ovrTexture> >();
for (int texIndex = 0; texIndex < textureSet.Value.TextureCount; ++texIndex)
{
IntPtr texPtr = textureSet.Value.Textures + sizeof(LibOVR.ovrTexture) * texIndex;
var tex = CRef <LibOVR.ovrTexture> .FromPtr(texPtr);
textureList.Add(tex);
}
m_hmdPtr = hmdPtr;
m_textureSet = textureSet;
m_textures = textureList.ToArray();
}
var csize = m_textures[0].Value.Header.TextureSize;
m_resolution = new Size(csize.w, csize.h);
// make SharpDx resource
m_textureResList = m_textures.Select(t => new Texture2D(t.Value.Texture)).ToList();
// make and set texture views
m_renderTargetViewList = m_textureResList.Select(t => new RenderTargetView(device, t)).ToList();
_SetTextureView(0, m_renderTargetViewList[0]);
_SetTextureView(1, m_renderTargetViewList[1]);
}
public static CRef <string> FromCharPtr(IntPtr ptr)
{
if (ptr == IntPtr.Zero)
{
return(null);
}
else
{
var handle = new CRef <string>();
handle.m_ptr = ptr;
handle.Value = Marshal.PtrToStringAnsi(ptr);
return(handle);
}
}
public static CRef <ValueType> FromPtr(IntPtr ptr)
{
if (ptr == IntPtr.Zero)
{
return(null);
}
else
{
var handle = new CRef <ValueType>();
handle.m_ptr = ptr;
handle.Value = (ValueType)Marshal.PtrToStructure(ptr, typeof(ValueType));
return(handle);
}
}
private HmdSystem()
{
//var initParams = new LibOVR.ovrInitParams;
//initParams.Flags = 0;
if (LibOVR.ovr_Initialize(IntPtr.Zero) != 0)
{
MessageBox.Show("Failed to initialize LibOVR.");
return;
}
string version = CRef <string> .FromCharPtr(LibOVR.ovr_GetVersionString()).Value;
int detect = LibOVR.ovrHmd_Detect();
Debug.Print("[HMD] sdk version = {0}", version);
Debug.Print("[HMD] detected device count = {0}", detect);
}
/// <summary>
/// get the first detected hmd device
/// </summary>
/// <returns>
/// detected hmd
/// </returns>
public HmdDevice DetectHmd()
{
IntPtr hmdPtr;
if (LibOVR.ovrHmd_Create(0, out hmdPtr) != 0)
{
MessageBox.Show("Oculus Rift not detected.");
return(null);
}
var hmd = CRef <LibOVR.ovrHmdDesc> .FromPtr(hmdPtr);
if (hmd == null)
{
return(null);
}
else
{
m_hmdDevice = new HmdDevice(hmd);
return(m_hmdDevice);
}
}
public HmdDevice(CRef <LibOVR.ovrHmdDesc> handle)
{
m_handle = handle;
}