void CreateEyeTextures()
{
for (int eye_idx = 0; eye_idx < 2; eye_idx++)
{
OculusWrap.OVR.EyeType eye = (OculusWrap.OVR.EyeType)eye_idx;
EyeTexture eye_tex = new EyeTexture();
eye_texes[eye_idx] = eye_tex;
// Retrieve size and position of the texture for the current eye.
eye_tex.FieldOfView = hmd.DefaultEyeFov[eye_idx];
eye_tex.TextureSize = hmd.GetFovTextureSize(eye, hmd.DefaultEyeFov[eye_idx], 1.0f);
eye_tex.RenderDescription = hmd.GetRenderDesc(eye, hmd.DefaultEyeFov[eye_idx]);
eye_tex.HmdToEyeViewOffset = eye_tex.RenderDescription.HmdToEyeViewOffset;
eye_tex.ViewportSize.Position = new OculusWrap.OVR.Vector2i(0, 0);
eye_tex.ViewportSize.Size = eye_tex.TextureSize;
eye_tex.Viewport = new Viewport(0, 0, eye_tex.TextureSize.Width, eye_tex.TextureSize.Height, 0.0f, 1.0f);
// Define a texture at the size recommended for the eye texture.
eye_tex.Texture2DDescription = DefineEyeTextureDescription(eye_tex);
// Convert the SharpDX texture description to the native Direct3D texture description.
OculusWrap.OVR.D3D11.D3D11_TEXTURE2D_DESC swapTextureDescriptionD3D11 = SharpDXHelpers.CreateTexture2DDescription(eye_tex.Texture2DDescription);
// Create a SwapTextureSet, which will contain the textures to render to, for the current eye.
var result = hmd.CreateSwapTextureSetD3D11(device.NativePointer, ref swapTextureDescriptionD3D11, out eye_tex.SwapTextureSet);
WriteErrorDetails(oculus, result, "Failed to create swap texture set.");
// Create room for each DirectX texture in the SwapTextureSet.
eye_tex.Textures = new Texture2D[eye_tex.SwapTextureSet.TextureCount];
eye_tex.RenderTargetViews = new RenderTargetView[eye_tex.SwapTextureSet.TextureCount];
// Create a texture 2D and a render target view, for each unmanaged texture contained in the SwapTextureSet.
for (int tex_idx = 0; tex_idx < eye_tex.SwapTextureSet.TextureCount; tex_idx++)
{
// Retrieve the current textureData object.
OculusWrap.OVR.D3D11.D3D11TextureData textureData = eye_tex.SwapTextureSet.Textures[tex_idx];
// Create a managed Texture2D, based on the unmanaged texture pointer.
eye_tex.Textures[tex_idx] = new Texture2D(textureData.Texture);
// Create a render target view for the current Texture2D.
eye_tex.RenderTargetViews[tex_idx] = new RenderTargetView(device, eye_tex.Textures[tex_idx]);
}
// Define the depth buffer, at the size recommended for the eye texture.
eye_tex.DepthBufferDescription = DefineEyeDepthBufferDescription(eye_tex);
// Create the depth buffer.
eye_tex.DepthBuffer = new Texture2D(device, eye_tex.DepthBufferDescription);
eye_tex.DepthStencilView = new DepthStencilView(device, eye_tex.DepthBuffer);
// Specify the texture to show on the HMD.
layer_eye_fov.ColorTexture[eye_idx] = eye_tex.SwapTextureSet.SwapTextureSetPtr;
layer_eye_fov.Viewport[eye_idx].Position = new OculusWrap.OVR.Vector2i(0, 0);
layer_eye_fov.Viewport[eye_idx].Size = eye_tex.TextureSize;
layer_eye_fov.Fov[eye_idx] = eye_tex.FieldOfView;
layer_eye_fov.Header.Flags = OculusWrap.OVR.LayerFlags.None;
}
}
Texture2DDescription DefineEyeTextureDescription(EyeTexture eye_tex)
{
return(new Texture2DDescription()
{
Width = eye_tex.TextureSize.Width,
Height = eye_tex.TextureSize.Height,
ArraySize = 1,
MipLevels = 1,
Format = Format.R8G8B8A8_UNorm,
SampleDescription = new SampleDescription(1, 0),
Usage = ResourceUsage.Default,
CpuAccessFlags = CpuAccessFlags.None,
BindFlags = BindFlags.ShaderResource | BindFlags.RenderTarget,
});
}
Texture2DDescription DefineEyeDepthBufferDescription(EyeTexture eye_tex)
{
return(new Texture2DDescription()
{
Format = Format.D32_Float,
Width = eye_tex.TextureSize.Width,
Height = eye_tex.TextureSize.Height,
ArraySize = 1,
MipLevels = 1,
SampleDescription = new SampleDescription(1, 0),
Usage = ResourceUsage.Default,
BindFlags = BindFlags.DepthStencil,
CpuAccessFlags = CpuAccessFlags.None,
OptionFlags = ResourceOptionFlags.None,
});
}
public void Render()
{
if (hmd == null)
{
return;
}
OculusWrap.OVR.Vector3f[] hmdToEyeViewOffsets = { eye_texes[0].HmdToEyeViewOffset, eye_texes[1].HmdToEyeViewOffset };
OculusWrap.OVR.FrameTiming frameTiming = hmd.GetFrameTiming(0);
OculusWrap.OVR.TrackingState trackingState = hmd.GetTrackingState(frameTiming.DisplayMidpointSeconds);
OculusWrap.OVR.Posef[] exe_poses = new OculusWrap.OVR.Posef[2];
// Calculate the position and orientation of each eye.
oculus.CalcEyePoses(trackingState.HeadPose.ThePose, hmdToEyeViewOffsets, ref exe_poses);
UVSCR_variable.Set(UVSCR());
for (int eye_idx = 0; eye_idx < 2; eye_idx++)
{
OculusWrap.OVR.EyeType eye = (OculusWrap.OVR.EyeType)eye_idx;
EyeTexture eye_tex = eye_texes[eye_idx];
layer_eye_fov.RenderPose[eye_idx] = exe_poses[eye_idx];
// Retrieve the index of the active texture and select the next texture as being active next.
int tex_idx = eye_tex.SwapTextureSet.CurrentIndex++;
ctx.OutputMerger.SetRenderTargets(eye_tex.DepthStencilView, eye_tex.RenderTargetViews[tex_idx]);
ctx.ClearDepthStencilView(eye_tex.DepthStencilView, DepthStencilClearFlags.Depth | DepthStencilClearFlags.Stencil, 1.0f, 0);
ctx.ClearRenderTargetView(eye_tex.RenderTargetViews[tex_idx], ScreenColor);
ctx.Rasterizer.SetViewport(eye_tex.Viewport);
UpdateTransform(exe_poses[eye_idx], eye_tex.FieldOfView);
DrawFigure();
}
hmd.SubmitFrame(0, layers);
ctx.CopyResource(mtex, buf0);
swap_chain.Present(0, PresentFlags.None);
}
Texture2DDescription DefineEyeTextureDescription(EyeTexture eye_tex)
{
return new Texture2DDescription()
{
Width = eye_tex.TextureSize.Width,
Height = eye_tex.TextureSize.Height,
ArraySize = 1,
MipLevels = 1,
Format = Format.R8G8B8A8_UNorm,
SampleDescription = new SampleDescription(1, 0),
Usage = ResourceUsage.Default,
CpuAccessFlags = CpuAccessFlags.None,
BindFlags = BindFlags.ShaderResource | BindFlags.RenderTarget,
};
}
Texture2DDescription DefineEyeDepthBufferDescription(EyeTexture eye_tex)
{
return new Texture2DDescription()
{
Format = Format.D32_Float,
Width = eye_tex.TextureSize.Width,
Height = eye_tex.TextureSize.Height,
ArraySize = 1,
MipLevels = 1,
SampleDescription = new SampleDescription(1, 0),
Usage = ResourceUsage.Default,
BindFlags = BindFlags.DepthStencil,
CpuAccessFlags = CpuAccessFlags.None,
OptionFlags = ResourceOptionFlags.None,
};
}
void CreateEyeTextures()
{
for (int eye_idx = 0; eye_idx < 2; eye_idx++)
{
OculusWrap.OVR.EyeType eye = (OculusWrap.OVR.EyeType)eye_idx;
EyeTexture eye_tex = new EyeTexture();
eye_texes[eye_idx] = eye_tex;
// Retrieve size and position of the texture for the current eye.
eye_tex.FieldOfView = hmd.DefaultEyeFov[eye_idx];
eye_tex.TextureSize = hmd.GetFovTextureSize(eye, hmd.DefaultEyeFov[eye_idx], 1.0f);
eye_tex.RenderDescription = hmd.GetRenderDesc(eye, hmd.DefaultEyeFov[eye_idx]);
eye_tex.HmdToEyeViewOffset = eye_tex.RenderDescription.HmdToEyeViewOffset;
eye_tex.ViewportSize.Position = new OculusWrap.OVR.Vector2i(0, 0);
eye_tex.ViewportSize.Size = eye_tex.TextureSize;
eye_tex.Viewport = new Viewport(0, 0, eye_tex.TextureSize.Width, eye_tex.TextureSize.Height, 0.0f, 1.0f);
// Define a texture at the size recommended for the eye texture.
eye_tex.Texture2DDescription = DefineEyeTextureDescription(eye_tex);
// Convert the SharpDX texture description to the native Direct3D texture description.
OculusWrap.OVR.D3D11.D3D11_TEXTURE2D_DESC swapTextureDescriptionD3D11 = SharpDXHelpers.CreateTexture2DDescription(eye_tex.Texture2DDescription);
// Create a SwapTextureSet, which will contain the textures to render to, for the current eye.
var result = hmd.CreateSwapTextureSetD3D11(device.NativePointer, ref swapTextureDescriptionD3D11, out eye_tex.SwapTextureSet);
WriteErrorDetails(oculus, result, "Failed to create swap texture set.");
// Create room for each DirectX texture in the SwapTextureSet.
eye_tex.Textures = new Texture2D[eye_tex.SwapTextureSet.TextureCount];
eye_tex.RenderTargetViews = new RenderTargetView[eye_tex.SwapTextureSet.TextureCount];
// Create a texture 2D and a render target view, for each unmanaged texture contained in the SwapTextureSet.
for (int tex_idx = 0; tex_idx < eye_tex.SwapTextureSet.TextureCount; tex_idx++)
{
// Retrieve the current textureData object.
OculusWrap.OVR.D3D11.D3D11TextureData textureData = eye_tex.SwapTextureSet.Textures[tex_idx];
// Create a managed Texture2D, based on the unmanaged texture pointer.
eye_tex.Textures[tex_idx] = new Texture2D(textureData.Texture);
// Create a render target view for the current Texture2D.
eye_tex.RenderTargetViews[tex_idx] = new RenderTargetView(device, eye_tex.Textures[tex_idx]);
}
// Define the depth buffer, at the size recommended for the eye texture.
eye_tex.DepthBufferDescription = DefineEyeDepthBufferDescription(eye_tex);
// Create the depth buffer.
eye_tex.DepthBuffer = new Texture2D(device, eye_tex.DepthBufferDescription);
eye_tex.DepthStencilView = new DepthStencilView(device, eye_tex.DepthBuffer);
// Specify the texture to show on the HMD.
layer_eye_fov.ColorTexture[eye_idx] = eye_tex.SwapTextureSet.SwapTextureSetPtr;
layer_eye_fov.Viewport[eye_idx].Position = new OculusWrap.OVR.Vector2i(0, 0);
layer_eye_fov.Viewport[eye_idx].Size = eye_tex.TextureSize;
layer_eye_fov.Fov[eye_idx] = eye_tex.FieldOfView;
layer_eye_fov.Header.Flags = OculusWrap.OVR.LayerFlags.None;
}
}
