public VeldridEngine(GraphicsBackend backend, bool useRenderDoc)
{
On <LoadRenderDocEvent>(e =>
{
if (_renderDoc == null && RenderDoc.Load(out _renderDoc))
{
_newBackend = GraphicsDevice.BackendType;
_recreateWindow = true;
}
});
On <GarbageCollectionEvent>(e => GC.Collect());
On <QuitEvent>(e => _done = true);
On <RunRenderDocEvent>(e => _renderDoc?.LaunchReplayUI());
On <SetCursorPositionEvent>(e => _pendingCursorUpdate = new Vector2(e.X, e.Y));
On <ToggleFullscreenEvent>(e => ToggleFullscreenState());
On <ToggleHardwareCursorEvent>(e => _window.CursorVisible = !_window.CursorVisible);
On <ToggleResizableEvent>(e => _window.Resizable = !_window.Resizable);
On <ToggleVisibleBorderEvent>(e => _window.BorderVisible = !_window.BorderVisible);
On <SetMsaaLevelEvent>(e => _newSampleCount = e.SampleCount switch
{
1 => TextureSampleCount.Count1,
2 => TextureSampleCount.Count2,
4 => TextureSampleCount.Count4,
8 => TextureSampleCount.Count8,
16 => TextureSampleCount.Count16,
32 => TextureSampleCount.Count32,
_ => throw new InvalidOperationException($"Invalid sample count {e.SampleCount}")
});
private void Update(float deltaSeconds)
{
_fta.AddTime(deltaSeconds);
_scene.Update(deltaSeconds);
if (ImGui.BeginMainMenuBar())
{
if (ImGui.BeginMenu("Settings"))
{
if (ImGui.BeginMenu("Graphics Backend"))
{
if (ImGui.MenuItem("Vulkan", string.Empty, _gd.BackendType == GraphicsBackend.Vulkan, GraphicsDevice.IsBackendSupported(GraphicsBackend.Vulkan)))
{
ChangeBackend(GraphicsBackend.Vulkan);
}
if (ImGui.MenuItem("OpenGL", string.Empty, _gd.BackendType == GraphicsBackend.OpenGL, GraphicsDevice.IsBackendSupported(GraphicsBackend.OpenGL)))
{
ChangeBackend(GraphicsBackend.OpenGL);
}
if (ImGui.MenuItem("OpenGL ES", string.Empty, _gd.BackendType == GraphicsBackend.OpenGLES, GraphicsDevice.IsBackendSupported(GraphicsBackend.OpenGLES)))
{
ChangeBackend(GraphicsBackend.OpenGLES);
}
if (ImGui.MenuItem("Direct3D 11", string.Empty, _gd.BackendType == GraphicsBackend.Direct3D11, GraphicsDevice.IsBackendSupported(GraphicsBackend.Direct3D11)))
{
ChangeBackend(GraphicsBackend.Direct3D11);
}
if (ImGui.MenuItem("Metal", string.Empty, _gd.BackendType == GraphicsBackend.Metal, GraphicsDevice.IsBackendSupported(GraphicsBackend.Metal)))
{
ChangeBackend(GraphicsBackend.Metal);
}
ImGui.EndMenu();
}
if (ImGui.BeginMenu("MSAA"))
{
if (ImGui.Combo("MSAA", ref _msaaOption, _msaaOptions, _msaaOptions.Length))
{
ChangeMsaa(_msaaOption);
}
ImGui.EndMenu();
}
bool threadedRendering = _scene.ThreadedRendering;
if (ImGui.MenuItem("Render with multiple threads", string.Empty, threadedRendering, true))
{
_scene.ThreadedRendering = !_scene.ThreadedRendering;
}
bool tinted = _fsq.UseTintedTexture;
if (ImGui.MenuItem("Tinted output", string.Empty, tinted, true))
{
_fsq.UseTintedTexture = !tinted;
}
ImGui.EndMenu();
}
if (ImGui.BeginMenu("Window"))
{
bool isFullscreen = _window.WindowState == WindowState.BorderlessFullScreen;
if (ImGui.MenuItem("Fullscreen", "F11", isFullscreen, true))
{
ToggleFullscreenState();
}
if (ImGui.MenuItem("Always Recreate Sdl2Window", string.Empty, _recreateWindow, true))
{
_recreateWindow = !_recreateWindow;
}
if (ImGui.IsItemHovered())
{
ImGui.SetTooltip(
"Causes a new OS window to be created whenever the graphics backend is switched. This is much safer, and is the default.");
}
if (ImGui.MenuItem("sRGB Swapchain Format", string.Empty, _colorSrgb, true))
{
_colorSrgb = !_colorSrgb;
ChangeBackend(_gd.BackendType);
}
bool vsync = _gd.SyncToVerticalBlank;
if (ImGui.MenuItem("VSync", string.Empty, vsync, true))
{
_gd.SyncToVerticalBlank = !_gd.SyncToVerticalBlank;
}
bool resizable = _window.Resizable;
if (ImGui.MenuItem("Resizable Window", string.Empty, resizable))
{
_window.Resizable = !_window.Resizable;
}
bool bordered = _window.BorderVisible;
if (ImGui.MenuItem("Visible Window Border", string.Empty, bordered))
{
_window.BorderVisible = !_window.BorderVisible;
}
ImGui.EndMenu();
}
if (ImGui.BeginMenu("Materials"))
{
if (ImGui.BeginMenu("Brick"))
{
DrawIndexedMaterialMenu(CommonMaterials.Brick);
ImGui.EndMenu();
}
if (ImGui.BeginMenu("Vase"))
{
DrawIndexedMaterialMenu(CommonMaterials.Vase);
ImGui.EndMenu();
}
if (ImGui.BeginMenu("Reflective"))
{
DrawIndexedMaterialMenu(CommonMaterials.Reflective);
ImGui.EndMenu();
}
ImGui.EndMenu();
}
if (ImGui.BeginMenu("Debug"))
{
if (ImGui.MenuItem("Refresh Device Objects"))
{
RefreshDeviceObjects(1);
}
if (ImGui.MenuItem("Refresh Device Objects (10 times)"))
{
RefreshDeviceObjects(10);
}
if (ImGui.MenuItem("Refresh Device Objects (100 times)"))
{
RefreshDeviceObjects(100);
}
if (_controllerTracker != null)
{
if (ImGui.MenuItem("Controller State"))
{
_controllerDebugMenu = true;
}
}
else
{
if (ImGui.MenuItem("Connect to Controller"))
{
Sdl2ControllerTracker.CreateDefault(out _controllerTracker);
_scene.Camera.Controller = _controllerTracker;
}
}
ImGui.EndMenu();
}
if (ImGui.BeginMenu("RenderDoc"))
{
if (_renderDoc == null)
{
if (ImGui.MenuItem("Load"))
{
if (RenderDoc.Load(out _renderDoc))
{
ChangeBackend(_gd.BackendType);
}
}
}
else
{
if (ImGui.MenuItem("Trigger Capture"))
{
_renderDoc.TriggerCapture();
}
if (ImGui.BeginMenu("Options"))
{
bool allowVsync = _renderDoc.AllowVSync;
if (ImGui.Checkbox("Allow VSync", ref allowVsync))
{
_renderDoc.AllowVSync = allowVsync;
}
bool validation = _renderDoc.APIValidation;
if (ImGui.Checkbox("API Validation", ref validation))
{
_renderDoc.APIValidation = validation;
}
int delayForDebugger = (int)_renderDoc.DelayForDebugger;
if (ImGui.InputInt("Debugger Delay", ref delayForDebugger))
{
delayForDebugger = Math.Clamp(delayForDebugger, 0, int.MaxValue);
_renderDoc.DelayForDebugger = (uint)delayForDebugger;
}
bool verifyBufferAccess = _renderDoc.VerifyBufferAccess;
if (ImGui.Checkbox("Verify Buffer Access", ref verifyBufferAccess))
{
_renderDoc.VerifyBufferAccess = verifyBufferAccess;
}
bool overlayEnabled = _renderDoc.OverlayEnabled;
if (ImGui.Checkbox("Overlay Visible", ref overlayEnabled))
{
_renderDoc.OverlayEnabled = overlayEnabled;
}
bool overlayFrameRate = _renderDoc.OverlayFrameRate;
if (ImGui.Checkbox("Overlay Frame Rate", ref overlayFrameRate))
{
_renderDoc.OverlayFrameRate = overlayFrameRate;
}
bool overlayFrameNumber = _renderDoc.OverlayFrameNumber;
if (ImGui.Checkbox("Overlay Frame Number", ref overlayFrameNumber))
{
_renderDoc.OverlayFrameNumber = overlayFrameNumber;
}
bool overlayCaptureList = _renderDoc.OverlayCaptureList;
if (ImGui.Checkbox("Overlay Capture List", ref overlayCaptureList))
{
_renderDoc.OverlayCaptureList = overlayCaptureList;
}
ImGui.EndMenu();
}
if (ImGui.MenuItem("Launch Replay UI"))
{
_renderDoc.LaunchReplayUI();
}
}
ImGui.EndMenu();
}
if (_controllerDebugMenu)
{
if (ImGui.Begin("Controller State", ref _controllerDebugMenu, ImGuiWindowFlags.NoCollapse))
{
if (_controllerTracker != null)
{
ImGui.Columns(2);
ImGui.Text($"Name: {_controllerTracker.ControllerName}");
foreach (SDL_GameControllerAxis axis in (SDL_GameControllerAxis[])Enum.GetValues(typeof(SDL_GameControllerAxis)))
{
ImGui.Text($"{axis}: {_controllerTracker.GetAxis(axis)}");
}
ImGui.NextColumn();
foreach (SDL_GameControllerButton button in (SDL_GameControllerButton[])Enum.GetValues(typeof(SDL_GameControllerButton)))
{
ImGui.Text($"{button}: {_controllerTracker.IsPressed(button)}");
}
}
else
{
ImGui.Text("No controller detected.");
}
}
ImGui.End();
}
ImGui.Text(_fta.CurrentAverageFramesPerSecond.ToString("000.0 fps / ") + _fta.CurrentAverageFrameTimeMilliseconds.ToString("#00.00 ms"));
ImGui.EndMainMenuBar();
}
if (InputTracker.GetKeyDown(Key.F11))
{
ToggleFullscreenState();
}
if (InputTracker.GetKeyDown(Key.Keypad6))
{
_window.X += 10;
}
if (InputTracker.GetKeyDown(Key.Keypad4))
{
_window.X -= 10;
}
if (InputTracker.GetKeyDown(Key.Keypad8))
{
_window.Y += 10;
}
if (InputTracker.GetKeyDown(Key.Keypad2))
{
_window.Y -= 10;
}
_window.Title = _gd.BackendType.ToString();
}
/// <summary>
/// Draws a utility window for interacting with RenderDoc
/// </summary>
public static void ShowRenderDocWindow()
{
if (RenderDoc.IsLoaded)
{
ImGui.SetNextWindowSize(new Vector2(264, 487));
}
else
{
ImGui.SetNextWindowSize(new Vector2(264, 80));
}
if (ImGui.Begin("RenderDoc"))
{
if (!RenderDoc.IsLoaded)
{
if (ImGui.Button("Load RenderDoc"))
{
RenderDoc.Initialise();
}
}
else
{
if (ImGui.Button("Start Replay UI"))
{
RenderDoc.LaunchReplayUI();
}
if (ImGui.Button("Capture Frame"))
{
RenderDoc.TriggerCapture();
}
ImGui.Text("Debug");
ImGui.BeginChild("Debug", new Vector2(0, 82), true);
bufferBool = RenderDoc.APIValidation;
ImGui.Checkbox("API Validation", ref bufferBool);
RenderDoc.APIValidation = bufferBool;
bufferBool = RenderDoc.VerifyBufferAccess;
ImGui.Checkbox("Verify Buffer Access", ref bufferBool);
RenderDoc.VerifyBufferAccess = bufferBool;
bufferBool = RenderDoc.DebugOutputMute;
ImGui.Checkbox("Debug Output Mute", ref bufferBool);
RenderDoc.DebugOutputMute = bufferBool;
ImGui.EndChild();
ImGui.Text("Behavior");
ImGui.BeginChild("Behavior", new Vector2(0, 160 + (RenderDoc.CaptureCallstacks ? 26 : 0)), true);
bufferBool = RenderDoc.AllowFullscreen;
ImGui.Checkbox("Allow Fullscreen", ref bufferBool);
RenderDoc.AllowFullscreen = bufferBool;
bufferBool = RenderDoc.AllowVSync;
ImGui.Checkbox("Allow V-Sync", ref bufferBool);
RenderDoc.AllowVSync = bufferBool;
bufferBool = RenderDoc.RefAllResources;
ImGui.Checkbox("Reference All Resources", ref bufferBool);
RenderDoc.RefAllResources = bufferBool;
bufferBool = RenderDoc.CaptureAllCmdLists;
ImGui.Checkbox("Capture All Command Lists", ref bufferBool);
RenderDoc.CaptureAllCmdLists = bufferBool;
bufferBool = RenderDoc.CaptureCallstacks;
ImGui.Checkbox("Capture Callstacks", ref bufferBool);
RenderDoc.CaptureCallstacks = bufferBool;
if (RenderDoc.CaptureCallstacks)
{
bufferBool = RenderDoc.CaptureCallstacksOnlyDraws;
ImGui.Checkbox("Capture Callstacks (Only Draws)", ref bufferBool);
RenderDoc.CaptureCallstacksOnlyDraws = bufferBool;
}
bufferBool = RenderDoc.HookIntoChildren;
ImGui.Checkbox("Hook Into Child Processes", ref bufferBool);
RenderDoc.HookIntoChildren = bufferBool;
ImGui.EndChild();
ImGui.Text("Overlay");
ImGui.BeginChild("Overlay", new Vector2(0, 26 + (RenderDoc.OverlayEnabled ? 26 * 3 : 10)), true);
bufferBool = RenderDoc.OverlayEnabled;
ImGui.Checkbox("Enable Overlay", ref bufferBool);
RenderDoc.OverlayEnabled = bufferBool;
if (RenderDoc.OverlayEnabled)
{
bufferBool = RenderDoc.OverlayFrameRate;
ImGui.Checkbox("Overlay Framerate", ref bufferBool);
RenderDoc.OverlayFrameRate = bufferBool;
bufferBool = RenderDoc.OverlayFrameNumber;
ImGui.Checkbox("Overlay Frame Number", ref bufferBool);
RenderDoc.OverlayFrameNumber = bufferBool;
bufferBool = RenderDoc.OverlayCaptureList;
ImGui.Checkbox("Overlay Capture List", ref bufferBool);
RenderDoc.OverlayCaptureList = bufferBool;
}
ImGui.EndChild();
}
ImGui.End();
}
}