public void BeginFrame(string id)
{
FrameTracker tracker = new FrameTracker();
_frames.Push(tracker);
WriteASCII(id, incrementSize: false);
tracker.SizeOffsetInStream = _stream.Position;
WriteBigE(0, incrementSize: false); // Size placeholder
}
public void BeginFrame(string id)
{
FrameTracker tracker = new FrameTracker();
_frames.Push(tracker);
WriteASCII(id, incrementSize: false);
tracker.SizeOffsetInStream = _stream.Position;
WriteBigE(0, incrementSize: false); // Size placeholder
}
public void CreateDriverCore()
{
Session = new Session(sessionId++);
FrameTracker = new FrameTracker(DevTools);
WebView = new WebView(DevTools, FrameTracker, this);
Mouse = new ChromeDriverMouse(WebView, Session);
Keyboard = new ChromeDriverKeyboard(WebView);
ElementUtils = new ElementUtils(WebView, Session);
ElementCommands = new ElementCommands(WebView, Session, ElementUtils, this);
WindowCommands = new WindowCommands(WebView, Session, this);
}
internal void PreDraw(FrameTracker tracker, int swapchainIndex)
{
//Update the scene data
SceneData sceneData = new SceneData(
tracker.FrameNumber,
(float)tracker.ElapsedTime,
tracker.DeltaTime);
sceneDataBuffer.Write(sceneData, SceneData.SIZE * swapchainIndex);
gbufferTechnique.PreDraw(swapchainIndex);
shadowTechnique.PreDraw(swapchainIndex, sunDirection, shadowDistance);
}
public void EndFrame()
{
FrameTracker tracker = _frames.Pop();
long currentPosition = _stream.Position;
_stream.Seek(tracker.SizeOffsetInStream, SeekOrigin.Begin);
WriteBigE(tracker.Size, incrementSize: false);
_stream.Seek(currentPosition, SeekOrigin.Begin);
if (_frames.Count > 0)
{
_frames.Peek().Size += tracker.Size + tracker.HeaderSize; // parent frame size increase
}
}
public void Draw(FrameTracker frameTracker)
{
if (commandbuffers == null || commandbuffers.Length == 0)
{
throw new Exception($"[{nameof(Window)}] No command buffers have been created yet");
}
ThrowIfDisposed();
//If the scene is dirty we re-record the command-buffers
if (scene?.Dirty == true)
{
logicalDevice.WaitIdle();
CreateRenderCommands(scene);
}
int swapchainIndex = swapchain.AcquireNextImage(semaphore: imageAvailableSemaphore);
//Wait for the previous submit of this buffer to be done
waitFences[swapchainIndex].Wait();
waitFences[swapchainIndex].Reset();
//Give the scene a chance to prepare some data for drawing
scene?.PreDraw(frameTracker, swapchainIndex);
//Once we have acquired an image we submit a commandbuffer for writing to it
graphicsQueue.Submit(
waitSemaphore: imageAvailableSemaphore,
waitDstStageMask: PipelineStages.ColorAttachmentOutput,
commandBuffer: commandbuffers[swapchainIndex],
signalSemaphore: renderFinishedSemaphore,
fence: waitFences[swapchainIndex]
);
//Once rendering to the framebuffer is done we can present it
presentQueue.PresentKhr(
waitSemaphore: renderFinishedSemaphore,
swapchain: swapchain,
imageIndex: swapchainIndex);
//Set the window title mostly for debugging purposes
nativeWindow.Title =
$"{title} - {hostDevice.Name} - {nativeWindow.ClientRect.Size} - Fps: {frameTracker.SmoothedFps:N1}";
}
private void DrawDebugOverlay()
{
spriteBatch.Begin();
spriteBatch.Rect(new Color(0, 0, 0, 0.5f), new Vector2(0, 0), new Vector2(200, 50));
spriteBatch.Print(Color.White, new Vector2(2, 0), String.Format("fps: {0} ", Math.Floor(FrameTracker.GetAverageFramerate())));
spriteBatch.Print(Color.White, new Vector2(2, 12), "campos" + FormatVector(Camera.Position));
spriteBatch.Print(Color.White, new Vector2(2, 24), "camlookat" + FormatVector(Camera.View.Forward));
spriteBatch.End();
}
