private void ThreadProc()
{
while (true)
{
updateParametersReadySemaphore.Wait();
preparedFrame = framePreparer.PrepareFrame(updateParameters);
}
}
private Texture2D RenderView(IPreparedFrame preparedFrame, HiddenAreaMesh hiddenAreaMesh, Matrix viewTransform, Matrix projectionTransform)
{
var renderTexture = preparedFrame.RenderView(device.ImmediateContext, hiddenAreaMesh, viewTransform, projectionTransform);
mostRecentProjectionTransform = projectionTransform;
mostRecentRenderTexture = renderTexture;
return(renderTexture);
}
private void Run()
{
//setup initial frame
timeKeeper.Start();
OpenVR.Compositor.GetLastPoses(poses, gamePoses);
KickoffFramePreparation();
preparedFrame = asyncFramePreparer.FinishPreparingFrame();
RenderLoop.Run(companionWindow.Form, DoFrame);
}
private void SubmitEye(EVREye eye, IPreparedFrame preparedFrame)
{
immediateContext.WithEvent($"VRApp::SubmitEye({eye})", () => {
HiddenAreaMesh hiddenAreaMesh = hiddenAreaMeshes.GetMesh(eye);
Matrix viewMatrix = GetViewMatrix(eye);
Matrix projectionMatrix = GetProjectionMatrix(eye);
var resultTexture = RenderView(preparedFrame, hiddenAreaMesh, viewMatrix, projectionMatrix);
VRTextureBounds_t bounds;
bounds.uMin = 0;
bounds.uMax = 1;
bounds.vMin = 0;
bounds.vMax = 1;
Texture_t eyeTexture;
eyeTexture.handle = resultTexture.NativePointer;
eyeTexture.eType = ETextureType.DirectX;
eyeTexture.eColorSpace = EColorSpace.Auto;
OpenVR.Compositor.Submit(eye, ref eyeTexture, ref bounds, EVRSubmitFlags.Submit_Default);
});
}
private void DoFrame()
{
OpenVR.Compositor.WaitGetPoses(poses, gamePoses);
timeKeeper.AdvanceFrame();
PumpVREvents();
KickoffFramePreparation();
immediateContext.WithEvent("VRApp::Prework", () => {
preparedFrame.DoPrework(device.ImmediateContext, poses);
});
SubmitEye(EVREye.Eye_Left, preparedFrame);
SubmitEye(EVREye.Eye_Right, preparedFrame);
if (companionWindow.HasIndependentCamera)
{
Matrix companionViewTransform = companionWindow.GetViewTransform();
Matrix companionWindowProjectionMatrix = companionWindow.GetDesiredProjectionMatrix();
immediateContext.WithEvent("VRApp::RenderCompanionView", () => {
RenderView(preparedFrame, null, companionViewTransform, companionWindowProjectionMatrix);
});
}
companionWindow.Display(
mostRecentRenderTexture,
mostRecentProjectionTransform,
() => preparedFrame.DrawCompanionWindowUi(device.ImmediateContext));
preparedFrame.DoPostwork(device.ImmediateContext);
OpenVR.Compositor.PostPresentHandoff();
preparedFrame.Dispose();
preparedFrame = asyncFramePreparer.FinishPreparingFrame();
}
public void StartPreparingFrame(FrameUpdateParameters updateParameters)
{
this.updateParameters = updateParameters;
this.preparedFrame = null;
updateParametersReadySemaphore.Release();
}
