static void Main(string[] args)
{
var dispose = new DisposeGroup();
// Initialize window and imgui
var view = dispose.Add(new RenderView());
var gd = view.GraphicsDevice;
var cl = gd.ResourceFactory.CreateCommandList();
var imGui = new ImGuiView(gd, view.Window, gd.MainSwapchain.Framebuffer.OutputDescription, view.Width, view.Height);
ImGui.GetIO().ConfigWindowsMoveFromTitleBarOnly = true;
//Create ImGui Windows
var menu = new UIMenu("Hello World!", new IUIComponent[] { new UIMenuItem("Test 1"), new UIMenuItem("Test 2", "CTRL+Z") });
var mainmenu = new UIMainMenuBar(new IUIComponent[] { menu });
var uiwindow = new UIWindow("Abstracted ImGui!", new IUIComponent[] { new UIText("Test Text"), new UICheckbox("Test Checkbox", false) });
var pattern = new MIDIPattern();
var projectConnect = new ProjectConnect();
var pianoRollWindow = UIUtils.CreatePianoRollWindow(projectConnect, pattern, gd, imGui);
// Initialize imgui UI
var uihost = dispose.Add(new UIHost(new IUIComponent[] { mainmenu, uiwindow, pianoRollWindow }));
Stopwatch frameTimer = new Stopwatch();
frameTimer.Start();
var hotkeys = new HotkeyHandler <GlobalHotkey>();
// Main application loop
while (view.Exists)
{
if (!view.Exists)
{
break;
}
imGui.Update((float)frameTimer.Elapsed.TotalSeconds, view.Width, view.Height);
frameTimer.Reset();
frameTimer.Start();
cl.Begin();
// Compute UI elements, render canvases
ImGui.DockSpaceOverViewport();
uihost.Render(cl);
ImGui.ShowDemoWindow();
hotkeys.Update(true);
if (hotkeys.CurrentHotkey == GlobalHotkey.Undo)
{
projectConnect.Undo();
}
if (hotkeys.CurrentHotkey == GlobalHotkey.Redo)
{
projectConnect.Redo();
}
Console.WriteLine(hotkeys.CurrentHotkey);
ImGui.Text(ImGui.GetIO().Framerate.ToString());
imGui.UpdateViewIO(view);
cl.SetFramebuffer(gd.MainSwapchain.Framebuffer);
cl.ClearColorTarget(0, new RgbaFloat(clearColor.X, clearColor.Y, clearColor.Z, 1f));
imGui.Render(gd, cl);
cl.End();
gd.SubmitCommands(cl);
gd.SwapBuffers(gd.MainSwapchain);
imGui.SwapExtraWindows(gd);
}
dispose.Dispose();
}
public TestCanvas(GraphicsDevice gd, ImGuiView view, Func <Vector2> computeSize) : base(gd, view, computeSize)
{
Buffer = dispose.Add(new BufferList <VertexPositionColor>(gd, 6));
VertexPositionColor[] quadVertices =
{
new VertexPositionColor(new Vector2(-150f, 150f), RgbaFloat.Red),
new VertexPositionColor(new Vector2(150f, 150f), RgbaFloat.Green),
new VertexPositionColor(new Vector2(-150f, -150f), RgbaFloat.Blue),
new VertexPositionColor(new Vector2(150f, -150f), RgbaFloat.Yellow)
};
ushort[] quadIndices = { 0, 1, 2, 3 };
VertexBuffer = Factory.CreateBuffer(new BufferDescription(4 * VertexPositionColor.SizeInBytes, BufferUsage.VertexBuffer | BufferUsage.Dynamic));
IndexBuffer = Factory.CreateBuffer(new BufferDescription(4 * sizeof(ushort), BufferUsage.IndexBuffer));
dispose.Add(VertexBuffer);
dispose.Add(IndexBuffer);
ProjMatrix = Factory.CreateBuffer(new BufferDescription(64, BufferUsage.UniformBuffer | BufferUsage.Dynamic));
dispose.Add(ProjMatrix);
GraphicsDevice.UpdateBuffer(VertexBuffer, 0, quadVertices);
GraphicsDevice.UpdateBuffer(IndexBuffer, 0, quadIndices);
VertexLayoutDescription vertexLayout = new VertexLayoutDescription(
new VertexElementDescription("Position", VertexElementSemantic.TextureCoordinate, VertexElementFormat.Float2),
new VertexElementDescription("Color", VertexElementSemantic.TextureCoordinate, VertexElementFormat.Float4));
Layout = Factory.CreateResourceLayout(new ResourceLayoutDescription(
new ResourceLayoutElementDescription("ProjectionMatrixBuffer", ResourceKind.UniformBuffer, ShaderStages.Vertex)));
dispose.Add(Layout);
ShaderDescription vertexShaderDesc = new ShaderDescription(
ShaderStages.Vertex,
Encoding.UTF8.GetBytes(VertexCode),
"main");
ShaderDescription fragmentShaderDesc = new ShaderDescription(
ShaderStages.Fragment,
Encoding.UTF8.GetBytes(FragmentCode),
"main");
Shaders = dispose.AddArray(Factory.CreateFromSpirv(vertexShaderDesc, fragmentShaderDesc));
var pipelineDescription = new GraphicsPipelineDescription();
pipelineDescription.BlendState = BlendStateDescription.SingleOverrideBlend;
pipelineDescription.DepthStencilState = new DepthStencilStateDescription(
depthTestEnabled: true,
depthWriteEnabled: true,
comparisonKind: ComparisonKind.LessEqual);
pipelineDescription.RasterizerState = new RasterizerStateDescription(
cullMode: FaceCullMode.Front,
fillMode: PolygonFillMode.Solid,
frontFace: FrontFace.Clockwise,
depthClipEnabled: true,
scissorTestEnabled: false);
pipelineDescription.PrimitiveTopology = PrimitiveTopology.TriangleList;
pipelineDescription.ResourceLayouts = new ResourceLayout[] { Layout };
pipelineDescription.ShaderSet = new ShaderSetDescription(
vertexLayouts: new VertexLayoutDescription[] { vertexLayout },
shaders: Shaders);
pipelineDescription.Outputs = Canvas.FrameBuffer.OutputDescription;
Pipeline = Factory.CreateGraphicsPipeline(pipelineDescription);
MainResourceSet = Factory.CreateResourceSet(new ResourceSetDescription(Layout, ProjMatrix));
}
