public void UpdateFrame(SharpDX.Direct3D11.Device device, TimeSpan deltaTime, ref MouseState mouse)
{
var nextSize = new Vector2(200, 200);
ImGui.SetNextWindowSize(ref nextSize, ImGuiCond.FirstUseEver);
var padding = Vector2.Zero;
ImGui.PushStyleVar(ImGuiStyleVar.WindowPadding, ref padding);
if (ImGui.Begin(m_name))
{
var size = ImGui.GetContentRegionAvail();
var pos = ImGui.GetWindowPos();
var frameHeight = ImGui.GetFrameHeight();
var localMouse = ImGui.GetMousePos() - pos - new Vector2(0, frameHeight);
var width = (int)size.X;
var height = (int)size.Y;
if (localMouse.X >= 0 && localMouse.Y >= 0 && localMouse.X < size.X && localMouse.Y < size.Y)
{
m_mouse = mouse;
// cursor on view
m_mouse.X = (int)localMouse.X;
m_mouse.Y = (int)localMouse.Y;
}
m_camera.MouseInput(m_mouse, width, height);
// update
m_im3d.Set();
Im3d.Im3dGui_NewFrame(ref m_camera.state, ref m_mouse, (float)deltaTime.TotalSeconds, -1);
Im3d.Gizmo("gizmo", ref m_model.M11);
Im3d.EndFrame();
if (m_renderTexture != null)
{
var desc = m_renderTexture.Description;
if (desc.Width != width || desc.Height != height)
{
m_renderTexture.Dispose();
m_renderTexture = null;
m_srv.Dispose();
m_srv = null;
}
}
if (m_renderTexture == null)
{
m_renderTexture = new Texture2D(device, new Texture2DDescription
{
Format = SharpDX.DXGI.Format.B8G8R8X8_UNorm,
ArraySize = 1,
MipLevels = 1,
Width = width,
Height = height,
SampleDescription = new SharpDX.DXGI.SampleDescription
{
Count = 1,
Quality = 0
},
BindFlags = BindFlags.RenderTarget | BindFlags.ShaderResource
});
m_srv = new ShaderResourceView(device, m_renderTexture);
m_rt.FromTexture(device, m_renderTexture);
}
m_rt.Setup(device, m_clearColor);
// render
ImGui.DX11_DrawTeapot(device.ImmediateContext.NativePointer, ref m_camera.state.viewProjection.M11, ref m_model.M11);
// im3d
Im3d.Im3d_DX11_Draw(device.ImmediateContext.NativePointer, ref m_camera.state.viewProjection.M11,
(int)m_camera.state.viewportWidth,
(int)m_camera.state.viewportHeight,
Im3d.GetDrawLists(), (int)Im3d.GetDrawListCount().Value);
//
// show render target
//
var uv0 = Vector2.Zero;
var uv1 = Vector2.One;
var bg = new Vector4(1, 1, 1, 1);
var tint = new Vector4(1, 1, 1, 1);
ImGui.ImageButton(m_srv.NativePointer, ref size, ref uv0, ref uv1, 0, ref bg, ref tint);
}
ImGui.End();
ImGui.PopStyleVar();
}
