/// <summary>
///
/// </summary>
public override void CreateDisplayResources()
{
base.CreateDisplayResources();
backbufferColor = new RenderTarget2D(device, swapChain.GetBackBuffer <D3D.Texture2D>(0));
oculusSwapChains = new OculusTextureSwapChain[2];
eyeTextures = new EyeTexture[2];
for (int i = 0; i < 2; i++)
{
OVR.Sizei idealSize = hmd.GetFovTextureSize((OVR.EyeType)i, hmd.DefaultEyeFov[i], 1.0f);
oculusSwapChains[i] = hmd.CreateTextureSwapChain(d3dDevice.NativePointer, idealSize.Width, idealSize.Height);
eyeTextures[i] = new EyeTexture(device, oculusSwapChains[i])
{
DepthStencil2D = new DepthStencil2D(device, DepthFormat.D24S8, idealSize.Width, idealSize.Height),
Viewport = new Viewport(0, 0, idealSize.Width, idealSize.Height),
ViewportSize = new OVR.Recti(new OVR.Vector2i(0, 0), new OVR.Sizei {
Width = idealSize.Width, Height = idealSize.Height
})
};
//eyeTextures[i].DepthBufferDescription = new Texture2DDescription {
// Width = idealSize.Width,
// Height = idealSize.Height,
// ArraySize = 1,
// MipLevels = 1,
// Format = Format.D32_Float,
// CpuAccessFlags = CpuAccessFlags.None,
// Usage = ResourceUsage.Default,
// BindFlags = BindFlags.DepthStencil,
// OptionFlags = ResourceOptionFlags.None,
// SampleDescription = new SampleDescription(1, 0)
//};
}
hmd.CreateMirrorTexture(d3dDevice.NativePointer,
new OVR.MirrorTextureDesc {
Format = OVR.TextureFormat.OVR_FORMAT_R8G8B8A8_UNORM_SRGB,
Width = backbufferColor.Width,
Height = backbufferColor.Height,
MiscFlags = OVR.TextureMiscFlags.None
}, out mirrorTexture);
layers = new Layers();
layerEyeFov = layers.AddLayerEyeFov();
hmd.SetTrackingOriginType(OVR.TrackingOrigin.EyeLevel);
frameIndex = 0;
Game.RenderSystem.Width = eyeTextures[0].Viewport.Width;
Game.RenderSystem.Height = eyeTextures[0].Viewport.Height;
}
/// <summary>
///
/// </summary>
public override void CreateDisplayResources()
{
base.CreateDisplayResources();
backbufferColor = new RenderTarget2D(device, swapChain.GetBackBuffer<D3D.Texture2D>(0));
oculusSwapChains = new OculusTextureSwapChain[2];
eyeTextures = new EyeTexture[2];
for (int i = 0; i < 2; i++) {
OVR.Sizei idealSize = hmd.GetFovTextureSize((OVR.EyeType)i, hmd.DefaultEyeFov[i], 1.0f);
oculusSwapChains[i] = hmd.CreateTextureSwapChain(d3dDevice.NativePointer, idealSize.Width, idealSize.Height);
eyeTextures[i] = new EyeTexture(device, oculusSwapChains[i]) {
DepthStencil2D = new DepthStencil2D(device, DepthFormat.D24S8, idealSize.Width, idealSize.Height),
Viewport = new Viewport(0, 0, idealSize.Width, idealSize.Height),
ViewportSize = new OVR.Recti(new OVR.Vector2i(0, 0), new OVR.Sizei {Width = idealSize.Width, Height = idealSize.Height})
};
//eyeTextures[i].DepthBufferDescription = new Texture2DDescription {
// Width = idealSize.Width,
// Height = idealSize.Height,
// ArraySize = 1,
// MipLevels = 1,
// Format = Format.D32_Float,
// CpuAccessFlags = CpuAccessFlags.None,
// Usage = ResourceUsage.Default,
// BindFlags = BindFlags.DepthStencil,
// OptionFlags = ResourceOptionFlags.None,
// SampleDescription = new SampleDescription(1, 0)
//};
}
hmd.CreateMirrorTexture(d3dDevice.NativePointer,
new OVR.MirrorTextureDesc {
Format = OVR.TextureFormat.OVR_FORMAT_R8G8B8A8_UNORM_SRGB,
Width = backbufferColor.Width,
Height = backbufferColor.Height,
MiscFlags = OVR.TextureMiscFlags.None
}, out mirrorTexture);
layers = new Layers();
layerEyeFov = layers.AddLayerEyeFov();
hmd.SetTrackingOriginType(OVR.TrackingOrigin.EyeLevel);
frameIndex = 0;
Game.RenderSystem.Width = eyeTextures[0].Viewport.Width;
Game.RenderSystem.Height = eyeTextures[0].Viewport.Height;
}
override protected void Render()
{
Lock = true;
using (Wrap oculus = new Wrap())
{
// Initialize the Oculus runtime.
if (!oculus.Initialize(initializationParameters))
{
throw new HeadsetError("Failed to initialize the Oculus runtime library.");
}
OVRTypes.GraphicsLuid graphicsLuid;
// Create a set of layers to submit.
EyeTexture[] eyeTextures = new EyeTexture[2];
// Create a depth buffer, using the same width and height as the back buffer.
Texture2DDescription depthBufferDescription = new Texture2DDescription()
{
Format = Format.D32_Float,
ArraySize = 1,
MipLevels = 1,
Width = 1920, // TODO: FIXME?
Height = 1080,
SampleDescription = new SampleDescription(1, 0),
Usage = ResourceUsage.Default,
BindFlags = BindFlags.DepthStencil,
CpuAccessFlags = CpuAccessFlags.None,
OptionFlags = ResourceOptionFlags.None
};
// Define how the depth buffer will be used to filter out objects, based on their distance from the viewer.
DepthStencilStateDescription depthStencilStateDescription = new DepthStencilStateDescription()
{
IsDepthEnabled = true,
DepthComparison = Comparison.Less,
DepthWriteMask = DepthWriteMask.Zero
};
//#if DEBUG
// SharpDX.Configuration.EnableObjectTracking = true;
//#endif
using (Hmd hmd = oculus.Hmd_Create(out graphicsLuid))
// Create DirectX drawing device.
using (_device = new Device(SharpDX.Direct3D.DriverType.Hardware, DeviceCreationFlags.BgraSupport, new SharpDX.Direct3D.FeatureLevel[] { SharpDX.Direct3D.FeatureLevel.Level_10_0 }))
// Create DirectX Graphics Interface factory, used to create the swap chain.
using (Factory factory = new Factory())
using (DeviceContext immediateContext = _device.ImmediateContext)
// Create the depth buffer.
using (Texture2D depthBuffer = new Texture2D(_device, depthBufferDescription))
using (DepthStencilView depthStencilView = new DepthStencilView(_device, depthBuffer))
using (DepthStencilState depthStencilState = new DepthStencilState(_device, depthStencilStateDescription))
using (Layers layers = new Layers())
using (_gd = SharpDX.Toolkit.Graphics.GraphicsDevice.New(_device))
using (vrui = new VRUI(_device, _gd))
using (customEffectL = GetCustomEffect(_gd))
using (customEffectR = GetCustomEffect(_gd))
//using (SharpDX.Toolkit.Graphics.GeometricPrimitive primitive = GraphicTools.CreateGeometry(_projection, _gd, false))
{
if (hmd == null)
{
throw new HeadsetError("Oculus Rift not detected.");
}
if (hmd.ProductName == string.Empty)
{
throw new HeadsetError("The HMD is not enabled.");
}
Viewport viewport = new Viewport(0, 0, hmd.Resolution.Width, hmd.Resolution.Height, 0.0f, 1.0f);
LayerEyeFov layerEyeFov = layers.AddLayerEyeFov();
// Retrieve the DXGI device, in order to set the maximum frame latency.
using (SharpDX.DXGI.Device1 dxgiDevice = _device.QueryInterface <SharpDX.DXGI.Device1>())
{
dxgiDevice.MaximumFrameLatency = 1;
}
for (int eyeIndex = 0; eyeIndex < 2; eyeIndex++)
{
OVRTypes.EyeType eye = (OVRTypes.EyeType)eyeIndex;
var textureSize = hmd.GetFovTextureSize(eye, hmd.DefaultEyeFov[eyeIndex], 1.0f);
var renderDescription = hmd.GetRenderDesc(eye, hmd.DefaultEyeFov[eyeIndex]);
EyeTexture eyeTexture = eyeTextures[eyeIndex] = new EyeTexture()
{
// Retrieve size and position of the texture for the current eye.
FieldOfView = hmd.DefaultEyeFov[eyeIndex],
TextureSize = textureSize,
RenderDescription = renderDescription,
// Define a texture at the size recommended for the eye texture.
Viewport = new Viewport(0, 0, textureSize.Width, textureSize.Height, 0.0f, 1.0f),
HmdToEyeViewOffset = renderDescription.HmdToEyeOffset,
Texture2DDescription = new Texture2DDescription()
{
Width = textureSize.Width,
Height = textureSize.Height,
ArraySize = 1,
MipLevels = 1,
Format = Format.R8G8B8A8_UNorm_SRgb,
SampleDescription = new SampleDescription(1, 0),
Usage = ResourceUsage.Default,
CpuAccessFlags = CpuAccessFlags.None,
BindFlags = BindFlags.ShaderResource | BindFlags.RenderTarget
}
};
eyeTexture.ViewportSize.Position = new OVRTypes.Vector2i(0, 0);
eyeTexture.ViewportSize.Size = textureSize;
// Convert the SharpDX texture description to the native Direct3D texture description.
OVRTypes.TextureSwapChainDesc textureSwapChainDesc = SharpDXHelpers.CreateTextureSwapChainDescription(eyeTexture.Texture2DDescription);
AssertSuccess(hmd.CreateTextureSwapChainDX(_device.NativePointer, textureSwapChainDesc, out eyeTexture.SwapTextureSet),
oculus, "Failed to create swap chain.");
// Retrieve the number of buffers of the created swap chain.
int textureSwapChainBufferCount;
AssertSuccess(eyeTexture.SwapTextureSet.GetLength(out textureSwapChainBufferCount),
oculus, "Failed to retrieve the number of buffers of the created swap chain.");
// Create room for each DirectX texture in the SwapTextureSet.
eyeTexture.Textures = new Texture2D[textureSwapChainBufferCount];
eyeTexture.RenderTargetViews = new RenderTargetView[textureSwapChainBufferCount];
// Create a texture 2D and a render target view, for each unmanaged texture contained in the SwapTextureSet.
for (int textureIndex = 0; textureIndex < textureSwapChainBufferCount; textureIndex++)
{
// Interface ID of the Direct3D Texture2D interface.
Guid textureInterfaceId = new Guid("6f15aaf2-d208-4e89-9ab4-489535d34f9c");
// Retrieve the Direct3D texture contained in the Oculus TextureSwapChainBuffer.
IntPtr swapChainTextureComPtr = IntPtr.Zero;
AssertSuccess(eyeTexture.SwapTextureSet.GetBufferDX(textureIndex, textureInterfaceId, out swapChainTextureComPtr),
oculus, "Failed to retrieve a texture from the created swap chain.");
// Create a managed Texture2D, based on the unmanaged texture pointer.
eyeTexture.Textures[textureIndex] = new Texture2D(swapChainTextureComPtr);
// Create a render target view for the current Texture2D.
eyeTexture.RenderTargetViews[textureIndex] = new RenderTargetView(_device, eyeTexture.Textures[textureIndex]);
}
// Define the depth buffer, at the size recommended for the eye texture.
eyeTexture.DepthBufferDescription = new Texture2DDescription()
{
Format = Format.D32_Float,
Width = eyeTexture.TextureSize.Width,
Height = eyeTexture.TextureSize.Height,
ArraySize = 1,
MipLevels = 1,
SampleDescription = new SampleDescription(1, 0),
Usage = ResourceUsage.Default,
BindFlags = BindFlags.DepthStencil,
CpuAccessFlags = CpuAccessFlags.None,
OptionFlags = ResourceOptionFlags.None
};
// Create the depth buffer.
eyeTexture.DepthBuffer = new Texture2D(_device, eyeTexture.DepthBufferDescription);
eyeTexture.DepthStencilView = new DepthStencilView(_device, eyeTexture.DepthBuffer);
// Specify the texture to show on the HMD.
layerEyeFov.ColorTexture[eyeIndex] = eyeTexture.SwapTextureSet.TextureSwapChainPtr;
layerEyeFov.Viewport[eyeIndex].Position = new OVRTypes.Vector2i(0, 0);
layerEyeFov.Viewport[eyeIndex].Size = eyeTexture.TextureSize;
layerEyeFov.Fov[eyeIndex] = eyeTexture.FieldOfView;
layerEyeFov.Header.Flags = OVRTypes.LayerFlags.HighQuality;
}
#region Render loop
DateTime startTime = DateTime.Now;
DateTime lastTime = DateTime.Now;
float deltaTime = 0;
// Start with default background
SetDefaultScene();
while (!abort)
{
UpdateContentIfRequested();
OVRTypes.Vector3f[] hmdToEyeViewOffsets = { eyeTextures[0].HmdToEyeViewOffset, eyeTextures[1].HmdToEyeViewOffset };
//OVR.FrameTiming frameTiming = hmd.GetFrameTiming(0);
//OVR.TrackingState trackingState = hmd.GetTrackingState(frameTiming.DisplayMidpointSeconds);
double displayMidpoint = hmd.GetPredictedDisplayTime(0);
OVRTypes.TrackingState trackingState = hmd.GetTrackingState(displayMidpoint, true);
OVRTypes.Posef[] eyePoses = new OVRTypes.Posef[2];
// Calculate the position and orientation of each eye.
oculus.CalcEyePoses(trackingState.HeadPose.ThePose, hmdToEyeViewOffsets, ref eyePoses);
float timeSinceStart = (float)(DateTime.Now - startTime).TotalSeconds;
deltaTime = (float)(DateTime.Now - lastTime).TotalSeconds;
lastTime = DateTime.Now;
Vector3 centerEye = (eyePoses[0].Position.ToVector3() + eyePoses[1].Position.ToVector3()) * 0.5f;
for (int eyeIndex = 0; eyeIndex < 2; eyeIndex++)
{
OVRTypes.EyeType eye = (OVRTypes.EyeType)eyeIndex;
EyeTexture eyeTexture = eyeTextures[eyeIndex];
layerEyeFov.RenderPose[eyeIndex] = eyePoses[eyeIndex];
// Update the render description at each frame, as the HmdToEyeOffset can change at runtime.
eyeTexture.RenderDescription = hmd.GetRenderDesc(eye, hmd.DefaultEyeFov[eyeIndex]);
// Retrieve the index of the active texture
int textureIndex;
AssertSuccess(eyeTexture.SwapTextureSet.GetCurrentIndex(out textureIndex),
oculus, "Failed to retrieve texture swap chain current index.");
immediateContext.OutputMerger.SetRenderTargets(eyeTexture.DepthStencilView, eyeTexture.RenderTargetViews[textureIndex]);
immediateContext.ClearRenderTargetView(eyeTexture.RenderTargetViews[textureIndex], Color.Black);
immediateContext.ClearDepthStencilView(eyeTexture.DepthStencilView, DepthStencilClearFlags.Depth | DepthStencilClearFlags.Stencil, 1.0f, 0);
immediateContext.Rasterizer.SetViewport(eyeTexture.Viewport);
// Retrieve the eye rotation quaternion and use it to calculate the LookAt direction and the LookUp direction.
Quaternion lookRotation = SharpDXHelpers.ToQuaternion(eyePoses[eyeIndex].Orientation);
lookRotation = new Quaternion(1, 0, 0, 0) * lookRotation;
Matrix rotationMatrix = Matrix.RotationQuaternion(lookRotation);
Vector3 lookUp = Vector3.Transform(new Vector3(0, -1, 0), rotationMatrix).ToVector3();
Vector3 lookAt = Vector3.Transform(new Vector3(0, 0, 1), rotationMatrix).ToVector3();
//Vector3 eyeDiff = eyePoses[eyeIndex].Position.ToVector3() - eyePoses[1 - eyeIndex].Position.ToVector3();
Vector3 lookPosition = new Vector3(
-eyePoses[eyeIndex].Position.X,
eyePoses[eyeIndex].Position.Y,
eyePoses[eyeIndex].Position.Z
);
Matrix worldMatrix = Matrix.Translation(lookPosition);
Matrix viewMatrix = Matrix.LookAtLH(lookPosition, lookPosition + lookAt, lookUp);
Matrix projectionMatrix = oculus.Matrix4f_Projection(eyeTexture.FieldOfView, 0.1f, 100.0f, OVRTypes.ProjectionModifier.LeftHanded).ToMatrix();
projectionMatrix.Transpose();
Matrix MVP = worldMatrix * viewMatrix * projectionMatrix;
customEffectL.Parameters["WorldViewProj"].SetValue(MVP);
customEffectR.Parameters["WorldViewProj"].SetValue(MVP);
lock (localCritical)
{
try
{
if (eyeIndex == 0)
{
primitive?.Draw(customEffectL);
}
if (eyeIndex == 1)
{
primitive?.Draw(customEffectR);
}
}
catch (NullReferenceException)
{
;
}
}
if (ProvideLook != null && eyeIndex == 0)
{
lookRotation.Invert();
lookRotation = lookRotation * new Quaternion(1, 0, 0, 0); // rotate 180 in x
Vector3 forward = Vector3.Transform(Vector3.ForwardRH, lookRotation);
Vector3 up = Vector3.Transform(Vector3.Up, lookRotation);
log.Publish("oculus.forward", forward.ToString("0.00"));
log.Publish("oculus.up", up.ToString("0.00"));
log.Publish("oculus.lookAt", lookAt.ToString("0.00"));
log.Publish("oculus.lookUp", lookUp.ToString("0.00"));
log.Publish("oculus.vr_quat", lookRotation);
log.Publish("q.sent", lookRotation);
ProvideLook(lookPosition, lookRotation, OculusFOV);
}
// reset UI position every frame if it is not visible
if (vrui.isUIHidden)
{
vrui.SetWorldPosition(viewMatrix.Forward, lookPosition, false);
}
vrui.Draw(Media, currentTime, Duration);
vrui.Render(deltaTime, viewMatrix, projectionMatrix, lookPosition, ShouldShowVRUI);
// Commits any pending changes to the TextureSwapChain, and advances its current index
AssertSuccess(eyeTexture.SwapTextureSet.Commit(), oculus, "Failed to commit the swap chain texture.");
//Console.WriteLine("xbox: " + ((hmd.ovr_GetConnectedControllerTypes() & OVRTypes.ControllerType.XBox) != 0));
//Console.WriteLine("remote: " + ((hmd.ovr_GetConnectedControllerTypes() & OVRTypes.ControllerType.Remote) != 0));
//Console.WriteLine("active: " + hmd.GetInputState(OVRTypes.ControllerType.Active));
//Console.WriteLine("buttons: " + hmd.GetInputState(OVRTypes.ControllerType.Remote).Buttons);
}
hmd.SubmitFrame(0, layers);
}
#endregion
//debugWindow.Stop();
waitForRendererStop.Set();
// Release all resources
primitive?.Dispose();
eyeTextures[0].Dispose();
eyeTextures[1].Dispose();
immediateContext.ClearState();
immediateContext.Flush();
}
}
Lock = false;
}
private void InitializeOculus()
{
RenderForm form = new RenderForm("OculusWrap SharpDX demo");
Wrap oculus = new Wrap();
Hmd hmd;
form.KeyUp += new System.Windows.Forms.KeyEventHandler(this.Window_KeyUp);
//form.moused
//form.Activate();
//form.Show();
int textureWidth = 0, textureHeight = 0;
newTextureArrived = false;
//zoom == 2 is not implemented, because the visual quality would be too low.
//zoom == 4 will be implemented in the future.
if (zoom == 3)
{
textureWidth = 3328;
textureHeight = 1664;
}
bool success = oculus.Initialize();
if (!success)
{
System.Windows.Forms.MessageBox.Show("Failed to initialize the Oculus runtime library.", "Uh oh", MessageBoxButtons.OK, MessageBoxIcon.Error);
return;
}
// Use the head mounted display, if it's available, otherwise use the debug HMD.
int numberOfHeadMountedDisplays = oculus.Hmd_Detect();
if (numberOfHeadMountedDisplays > 0)
hmd = oculus.Hmd_Create(0);
else
hmd = oculus.Hmd_CreateDebug(OculusWrap.OVR.HmdType.DK2);
if (hmd == null)
{
System.Windows.Forms.MessageBox.Show("Oculus Rift not detected.", "Uh oh", MessageBoxButtons.OK, MessageBoxIcon.Error);
return;
}
if (hmd.ProductName == string.Empty)
System.Windows.Forms.MessageBox.Show("The HMD is not enabled.", "There's a tear in the Rift", MessageBoxButtons.OK, MessageBoxIcon.Error);
// Specify which head tracking capabilities to enable.
hmd.SetEnabledCaps(OVR.HmdCaps.LowPersistence | OVR.HmdCaps.DynamicPrediction);
// Start the sensor which informs of the Rift's pose and motion
hmd.ConfigureTracking(OVR.TrackingCaps.ovrTrackingCap_Orientation | OVR.TrackingCaps.ovrTrackingCap_MagYawCorrection | OVR.TrackingCaps.ovrTrackingCap_Position, OVR.TrackingCaps.None);
// Create a set of layers to submit.
EyeTexture[] eyeTextures = new EyeTexture[2];
OVR.ovrResult result;
// Create DirectX drawing device.
SharpDX.Direct3D11.Device device = new Device(SharpDX.Direct3D.DriverType.Hardware, DeviceCreationFlags.Debug);
// Create DirectX Graphics Interface factory, used to create the swap chain.
Factory factory = new Factory();
DeviceContext immediateContext = device.ImmediateContext;
// Define the properties of the swap chain.
SwapChainDescription swapChainDescription = new SwapChainDescription();
swapChainDescription.BufferCount = 1;
swapChainDescription.IsWindowed = true;
swapChainDescription.OutputHandle = form.Handle;
swapChainDescription.SampleDescription = new SampleDescription(1, 0);
swapChainDescription.Usage = Usage.RenderTargetOutput | Usage.ShaderInput;
swapChainDescription.SwapEffect = SwapEffect.Sequential;
swapChainDescription.Flags = SwapChainFlags.AllowModeSwitch;
swapChainDescription.ModeDescription.Width = form.Width;
swapChainDescription.ModeDescription.Height = form.Height;
swapChainDescription.ModeDescription.Format = Format.R8G8B8A8_UNorm;
swapChainDescription.ModeDescription.RefreshRate.Numerator = 0;
swapChainDescription.ModeDescription.RefreshRate.Denominator = 1;
// Create the swap chain.
SharpDX.DXGI.SwapChain swapChain = new SwapChain(factory, device, swapChainDescription);
// Retrieve the back buffer of the swap chain.
Texture2D backBuffer = swapChain.GetBackBuffer<Texture2D>(0);
RenderTargetView backBufferRenderTargetView = new RenderTargetView(device, backBuffer);
// Create a depth buffer, using the same width and height as the back buffer.
Texture2DDescription depthBufferDescription = new Texture2DDescription();
depthBufferDescription.Format = Format.D32_Float;
depthBufferDescription.ArraySize = 1;
depthBufferDescription.MipLevels = 1;
depthBufferDescription.Width = form.Width;
depthBufferDescription.Height = form.Height;
depthBufferDescription.SampleDescription = new SampleDescription(1, 0);
depthBufferDescription.Usage = ResourceUsage.Default;
depthBufferDescription.BindFlags = BindFlags.DepthStencil;
depthBufferDescription.CpuAccessFlags = CpuAccessFlags.None;
depthBufferDescription.OptionFlags = ResourceOptionFlags.None;
// Define how the depth buffer will be used to filter out objects, based on their distance from the viewer.
DepthStencilStateDescription depthStencilStateDescription = new DepthStencilStateDescription();
depthStencilStateDescription.IsDepthEnabled = true;
depthStencilStateDescription.DepthComparison = Comparison.Less;
depthStencilStateDescription.DepthWriteMask = DepthWriteMask.Zero;
// Create the depth buffer.
Texture2D depthBuffer = new Texture2D(device, depthBufferDescription);
DepthStencilView depthStencilView = new DepthStencilView(device, depthBuffer);
DepthStencilState depthStencilState = new DepthStencilState(device, depthStencilStateDescription);
Viewport viewport = new Viewport(0, 0, hmd.Resolution.Width, hmd.Resolution.Height, 0.0f, 1.0f);
immediateContext.OutputMerger.SetDepthStencilState(depthStencilState);
immediateContext.OutputMerger.SetRenderTargets(depthStencilView, backBufferRenderTargetView);
immediateContext.Rasterizer.SetViewport(viewport);
// Retrieve the DXGI device, in order to set the maximum frame latency.
using (SharpDX.DXGI.Device1 dxgiDevice = device.QueryInterface<SharpDX.DXGI.Device1>())
{
dxgiDevice.MaximumFrameLatency = 1;
}
Layers layers = new Layers();
LayerEyeFov layerEyeFov = layers.AddLayerEyeFov();
for (int eyeIndex = 0; eyeIndex < 2; eyeIndex++)
{
OVR.EyeType eye = (OVR.EyeType)eyeIndex;
EyeTexture eyeTexture = new EyeTexture();
eyeTextures[eyeIndex] = eyeTexture;
// Retrieve size and position of the texture for the current eye.
eyeTexture.FieldOfView = hmd.DefaultEyeFov[eyeIndex];
eyeTexture.TextureSize = hmd.GetFovTextureSize(eye, hmd.DefaultEyeFov[eyeIndex], 1.0f);
eyeTexture.RenderDescription = hmd.GetRenderDesc(eye, hmd.DefaultEyeFov[eyeIndex]);
eyeTexture.HmdToEyeViewOffset = eyeTexture.RenderDescription.HmdToEyeViewOffset;
eyeTexture.ViewportSize.Position = new OVR.Vector2i(0, 0);
eyeTexture.ViewportSize.Size = eyeTexture.TextureSize;
eyeTexture.Viewport = new Viewport(0, 0, eyeTexture.TextureSize.Width, eyeTexture.TextureSize.Height, 0.0f, 1.0f);
// Define a texture at the size recommended for the eye texture.
eyeTexture.Texture2DDescription = new Texture2DDescription();
eyeTexture.Texture2DDescription.Width = eyeTexture.TextureSize.Width;
eyeTexture.Texture2DDescription.Height = eyeTexture.TextureSize.Height;
eyeTexture.Texture2DDescription.ArraySize = 1;
eyeTexture.Texture2DDescription.MipLevels = 1;
eyeTexture.Texture2DDescription.Format = Format.R8G8B8A8_UNorm;
eyeTexture.Texture2DDescription.SampleDescription = new SampleDescription(1, 0);
eyeTexture.Texture2DDescription.Usage = ResourceUsage.Default;
eyeTexture.Texture2DDescription.CpuAccessFlags = CpuAccessFlags.None;
eyeTexture.Texture2DDescription.BindFlags = BindFlags.ShaderResource | BindFlags.RenderTarget;
// Convert the SharpDX texture description to the native Direct3D texture description.
OVR.D3D11.D3D11_TEXTURE2D_DESC swapTextureDescriptionD3D11 = SharpDXHelpers.CreateTexture2DDescription(eyeTexture.Texture2DDescription);
// Create a SwapTextureSet, which will contain the textures to render to, for the current eye.
result = hmd.CreateSwapTextureSetD3D11(device.NativePointer, ref swapTextureDescriptionD3D11, out eyeTexture.SwapTextureSet);
WriteErrorDetails(oculus, result, "Failed to create swap texture set.");
// Create room for each DirectX texture in the SwapTextureSet.
eyeTexture.Textures = new Texture2D[eyeTexture.SwapTextureSet.TextureCount];
eyeTexture.RenderTargetViews = new RenderTargetView[eyeTexture.SwapTextureSet.TextureCount];
// Create a texture 2D and a render target view, for each unmanaged texture contained in the SwapTextureSet.
for (int textureIndex = 0; textureIndex < eyeTexture.SwapTextureSet.TextureCount; textureIndex++)
{
// Retrieve the current textureData object.
OVR.D3D11.D3D11TextureData textureData = eyeTexture.SwapTextureSet.Textures[textureIndex];
// Create a managed Texture2D, based on the unmanaged texture pointer.
eyeTexture.Textures[textureIndex] = new Texture2D(textureData.Texture);
// Create a render target view for the current Texture2D.
eyeTexture.RenderTargetViews[textureIndex] = new RenderTargetView(device, eyeTexture.Textures[textureIndex]);
}
// Define the depth buffer, at the size recommended for the eye texture.
eyeTexture.DepthBufferDescription = new Texture2DDescription();
eyeTexture.DepthBufferDescription.Format = Format.D32_Float;
eyeTexture.DepthBufferDescription.Width = eyeTexture.TextureSize.Width;
eyeTexture.DepthBufferDescription.Height = eyeTexture.TextureSize.Height;
eyeTexture.DepthBufferDescription.ArraySize = 1;
eyeTexture.DepthBufferDescription.MipLevels = 1;
eyeTexture.DepthBufferDescription.SampleDescription = new SampleDescription(1, 0);
eyeTexture.DepthBufferDescription.Usage = ResourceUsage.Default;
eyeTexture.DepthBufferDescription.BindFlags = BindFlags.DepthStencil;
eyeTexture.DepthBufferDescription.CpuAccessFlags = CpuAccessFlags.None;
eyeTexture.DepthBufferDescription.OptionFlags = ResourceOptionFlags.None;
// Create the depth buffer.
eyeTexture.DepthBuffer = new Texture2D(device, eyeTexture.DepthBufferDescription);
eyeTexture.DepthStencilView = new DepthStencilView(device, eyeTexture.DepthBuffer);
// Specify the texture to show on the HMD.
layerEyeFov.ColorTexture[eyeIndex] = eyeTexture.SwapTextureSet.SwapTextureSetPtr;
layerEyeFov.Viewport[eyeIndex].Position = new OVR.Vector2i(0, 0);
layerEyeFov.Viewport[eyeIndex].Size = eyeTexture.TextureSize;
layerEyeFov.Fov[eyeIndex] = eyeTexture.FieldOfView;
layerEyeFov.Header.Flags = OVR.LayerFlags.TextureOriginAtBottomLeft;
}
// Define the texture used to display the rendered result on the computer monitor.
Texture2DDescription mirrorTextureDescription = new Texture2DDescription();
mirrorTextureDescription.Width = form.Width;
mirrorTextureDescription.Height = form.Height;
mirrorTextureDescription.ArraySize = 1;
mirrorTextureDescription.MipLevels = 1;
mirrorTextureDescription.Format = Format.R8G8B8A8_UNorm;
mirrorTextureDescription.SampleDescription = new SampleDescription(1, 0);
mirrorTextureDescription.Usage = ResourceUsage.Default;
mirrorTextureDescription.CpuAccessFlags = CpuAccessFlags.None;
mirrorTextureDescription.BindFlags = BindFlags.ShaderResource | BindFlags.RenderTarget;
SamplerStateDescription samplerStateDescription = new SamplerStateDescription
{
AddressU = TextureAddressMode.Wrap,
AddressV = TextureAddressMode.Wrap,
AddressW = TextureAddressMode.Wrap,
Filter = Filter.Anisotropic
};
RasterizerStateDescription rasterizerStateDescription = RasterizerStateDescription.Default();
rasterizerStateDescription.IsFrontCounterClockwise = true;
// Convert the SharpDX texture description to the native Direct3D texture description.
OVR.D3D11.D3D11_TEXTURE2D_DESC mirrorTextureDescriptionD3D11 = SharpDXHelpers.CreateTexture2DDescription(mirrorTextureDescription);
OculusWrap.D3D11.MirrorTexture mirrorTexture;
// Create the texture used to display the rendered result on the computer monitor.
result = hmd.CreateMirrorTextureD3D11(device.NativePointer, ref mirrorTextureDescriptionD3D11, out mirrorTexture);
WriteErrorDetails(oculus, result, "Failed to create mirror texture.");
Texture2D mirrorTextureD3D11 = new Texture2D(mirrorTexture.Texture.Texture);
#region Vertex and pixel shader
// Create vertex shader.
ShaderBytecode vertexShaderByteCode = ShaderBytecode.CompileFromFile("Shaders.fx", "VertexShaderMain", "vs_4_0");
VertexShader vertexShader = new VertexShader(device, vertexShaderByteCode);
// Create pixel shader.
ShaderBytecode pixelShaderByteCode = ShaderBytecode.CompileFromFile("Shaders.fx", "PixelShaderMain", "ps_4_0");
PixelShader pixelShader = new PixelShader(device, pixelShaderByteCode);
ShaderSignature shaderSignature = ShaderSignature.GetInputSignature(vertexShaderByteCode);
Texture2D myTexture = new Texture2D(device, new Texture2DDescription()
{
Format = Format.R8G8B8A8_UNorm,
ArraySize = 1,
MipLevels = 1,
Width = textureWidth,
Height = textureHeight,
SampleDescription = new SampleDescription(1, 0),
Usage = ResourceUsage.Dynamic,
BindFlags = BindFlags.ShaderResource,
CpuAccessFlags = CpuAccessFlags.Write,
OptionFlags = ResourceOptionFlags.None,
});
ShaderResourceView textureView = new ShaderResourceView(device, myTexture);
//set sampler for texture
SamplerState samplerState = new SamplerState(device, samplerStateDescription);
//initialize rasterizer
RasterizerState rasterizerState = new RasterizerState(device, rasterizerStateDescription);
// Specify that each vertex consists of a single vertex position and color.
int[] indices = null;
Vertex[] vertices = null;
CreateGeometry(out indices, out vertices);
InputElement[] inputElements = new InputElement[]
{
new InputElement("SV_Position", 0, Format.R32G32B32A32_Float, 0, 0),
new InputElement("COLOR", 0, Format.R32G32B32A32_Float, 16, 0),
new InputElement("TEXCOORD", 0, Format.R32G32_Float, 32, 0),
/*new InputElement("TEXCOORD", 0, Format.R32G32_Float, 16, 0),
new InputElement("TEXCOORD", 0, Format.R32G32_Float, 32, 0),*/
};
// Define an input layout to be passed to the vertex shader.
InputLayout inputLayout = new InputLayout(device, shaderSignature, inputElements);
// Create a vertex buffer, containing our 3D model.
Buffer vertexBuffer = Buffer.Create(device, BindFlags.VertexBuffer, vertices);//m_vertices);
// Create a constant buffer, to contain our WorldViewProjection matrix, that will be passed to the vertex shader.
Buffer constantBuffer = new Buffer(device, Utilities.SizeOf<Matrix>(), ResourceUsage.Default, BindFlags.ConstantBuffer, CpuAccessFlags.None, ResourceOptionFlags.None, 0);
Buffer indexBuffer = SharpDX.Direct3D11.Buffer.Create(device, BindFlags.IndexBuffer, indices);
// Setup the immediate context to use the shaders and model we defined.
immediateContext.InputAssembler.InputLayout = inputLayout;
immediateContext.InputAssembler.PrimitiveTopology = PrimitiveTopology.TriangleList;
immediateContext.InputAssembler.SetVertexBuffers(0, new VertexBufferBinding(vertexBuffer, Utilities.SizeOf<Vertex>(), 0));
immediateContext.InputAssembler.SetIndexBuffer(indexBuffer, Format.R32_UInt, 0);
immediateContext.VertexShader.SetConstantBuffer(0, constantBuffer);
immediateContext.VertexShader.Set(vertexShader);
immediateContext.PixelShader.Set(pixelShader);
immediateContext.PixelShader.SetShaderResource(0, textureView);
immediateContext.PixelShader.SetSampler(0, samplerState);
#endregion
DateTime startTime = DateTime.Now;
Vector3 position = new Vector3(0, 0, 0);
oculusReady = true;
#region Render loop
RenderLoop.Run(form, () =>
{
OVR.Vector3f[] hmdToEyeViewOffsets = { eyeTextures[0].HmdToEyeViewOffset, eyeTextures[1].HmdToEyeViewOffset };
OVR.FrameTiming frameTiming = hmd.GetFrameTiming(0);
OVR.TrackingState trackingState = hmd.GetTrackingState(frameTiming.DisplayMidpointSeconds);
OVR.Posef[] eyePoses = new OVR.Posef[2];
// Calculate the position and orientation of each eye.
oculus.CalcEyePoses(trackingState.HeadPose.ThePose, hmdToEyeViewOffsets, ref eyePoses);
float timeSinceStart = (float)(DateTime.Now - startTime).TotalSeconds;
for (int eyeIndex = 0; eyeIndex < 2; eyeIndex++)
{
OVR.EyeType eye = (OVR.EyeType)eyeIndex;
EyeTexture eyeTexture = eyeTextures[eyeIndex];
layerEyeFov.RenderPose[eyeIndex] = eyePoses[eyeIndex];
// Retrieve the index of the active texture and select the next texture as being active next.
int textureIndex = eyeTexture.SwapTextureSet.CurrentIndex++;
immediateContext.OutputMerger.SetRenderTargets(eyeTexture.DepthStencilView, eyeTexture.RenderTargetViews[textureIndex]);
immediateContext.ClearRenderTargetView(eyeTexture.RenderTargetViews[textureIndex], Color.Black);
immediateContext.ClearDepthStencilView(eyeTexture.DepthStencilView, DepthStencilClearFlags.Depth | DepthStencilClearFlags.Stencil, 1.0f, 0);
immediateContext.Rasterizer.SetViewport(eyeTexture.Viewport);
//added a custom rasterizer
immediateContext.Rasterizer.State = rasterizerState;
// Retrieve the eye rotation quaternion and use it to calculate the LookAt direction and the LookUp direction.
Quaternion rotationQuaternion = SharpDXHelpers.ToQuaternion(eyePoses[eyeIndex].Orientation);
Matrix rotationMatrix = Matrix.RotationQuaternion(rotationQuaternion);
Vector3 lookUp = Vector3.Transform(new Vector3(0, -1, 0), rotationMatrix).ToVector3();
Vector3 lookAt = Vector3.Transform(new Vector3(0, 0, 1), rotationMatrix).ToVector3();
Vector3 viewPosition = position - eyePoses[eyeIndex].Position.ToVector3();
//use this to get the first rotation to goal
Matrix world = Matrix.Scaling(1.0f) /** Matrix.RotationX(timeSinceStart*0.2f) */* Matrix.RotationY(timeSinceStart * 2 / 10f) /** Matrix.RotationZ(timeSinceStart*3/10f)*/;
Matrix viewMatrix = Matrix.LookAtRH(viewPosition, viewPosition + lookAt, lookUp);
Matrix projectionMatrix = OVR.ovrMatrix4f_Projection(eyeTexture.FieldOfView, 0.1f, 10.0f, OVR.ProjectionModifier.None).ToMatrix();
projectionMatrix.Transpose();
Matrix worldViewProjection = world * viewMatrix * projectionMatrix;
worldViewProjection.Transpose();
// Update the transformation matrix.
immediateContext.UpdateSubresource(ref worldViewProjection, constantBuffer);
// Draw the cube
//immediateContext.Draw(vertices.Length/2, 0);
immediateContext.DrawIndexed(indices.Length, 0, 0);
}
hmd.SubmitFrame(0, layers);
immediateContext.CopyResource(mirrorTextureD3D11, backBuffer);
swapChain.Present(0, PresentFlags.None);
if (newTextureArrived == true)
{
newTextureArrived = false;
DataBox map = device.ImmediateContext.MapSubresource(myTexture, 0, MapMode.WriteDiscard, SharpDX.Direct3D11.MapFlags.None);
//load the BitMapSource with appropriate formating (Format32bppPRGBA)
SharpDX.WIC.BitmapSource bitMap = LoadBitmap(new SharpDX.WIC.ImagingFactory(), streamTexture);
//string newFile = Path.GetDirectoryName(Process.GetCurrentProcess().MainModule.FileName) + @"\img_merged.jpg";
//SharpDX.WIC.BitmapSource bitMap = LoadBitmapFromFile(new SharpDX.WIC.ImagingFactory(), newFile);
int width = bitMap.Size.Width;
int height = bitMap.Size.Height;
int stride = bitMap.Size.Width * 4;
bitMap.CopyPixels(stride, map.DataPointer, height * stride);
device.ImmediateContext.UnmapSubresource(myTexture, 0);
//bitMap.Dispose();
streamTexture.Seek(0, SeekOrigin.Begin);
}
});
#endregion
// Release all resources
inputLayout.Dispose();
constantBuffer.Dispose();
indexBuffer.Dispose();
vertexBuffer.Dispose();
inputLayout.Dispose();
shaderSignature.Dispose();
pixelShader.Dispose();
pixelShaderByteCode.Dispose();
vertexShader.Dispose();
vertexShaderByteCode.Dispose();
mirrorTextureD3D11.Dispose();
layers.Dispose();
eyeTextures[0].Dispose();
eyeTextures[1].Dispose();
immediateContext.ClearState();
immediateContext.Flush();
immediateContext.Dispose();
depthStencilState.Dispose();
depthStencilView.Dispose();
depthBuffer.Dispose();
backBufferRenderTargetView.Dispose();
backBuffer.Dispose();
swapChain.Dispose();
factory.Dispose();
// Disposing the device, before the hmd, will cause the hmd to fail when disposing.
// Disposing the device, after the hmd, will cause the dispose of the device to fail.
// It looks as if the hmd steals ownership of the device and destroys it, when it's shutting down.
// device.Dispose();
hmd.Dispose();
oculus.Dispose();
}
