void UpdateTransform(OculusWrap.OVR.Posef eye_pose, OculusWrap.OVR.FovPort fov)
{
// Retrieve the eye rotation quaternion and use it to calculate the LookAt direction and the LookUp direction.
Camera camera = new Camera()
{
Position = main_camera.Position + Vector3.Transform(eye_pose.Position.ToVector3(), main_camera.Rotation),
Rotation = main_camera.Rotation * SharpDXHelpers.ToQuaternion(eye_pose.Orientation),
};
world_matrix = Matrix.Scaling(ocu_config.Scale);
Transform_View = camera.GetViewMatrix();
Transform_Projection = OculusWrap.OVR.ovrMatrix4f_Projection(fov, ocu_config.Znear, ocu_config.Zfar, OculusWrap.OVR.ProjectionModifier.RightHanded).ToMatrix();
Transform_Projection.Transpose();
Matrix world_view_matrix = world_matrix * Transform_View;
world_view_projection_matrix = world_view_matrix * Transform_Projection;
World_variable.SetMatrix(world_matrix);
WorldView_variable.SetMatrix(world_view_matrix);
WorldViewProjection_variable.SetMatrix(world_view_projection_matrix);
/* for HUD */
Projection_variable.SetMatrix(Transform_Projection);
}
void CreateMirrorTexture(Control control)
{
OculusWrap.OVR.ovrResult result;
// Define the texture used to display the rendered result on the computer monitor.
Texture2DDescription mirrorTextureDescription = DefineMirrorTextureDescription(control);
// Convert the SharpDX texture description to the native Direct3D texture description.
OculusWrap.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.");
mtex = new Texture2D(mirrorTexture.Texture.Texture);
}
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;
}
}