Beispiel #1
0
        static void Main()
        {
            m_FrameNumber = 0;
            m_Time = 0.0f;

            Device device;
            SwapChain swapChain;

            //var form = new RenderForm("CSharpRenderer");
            var form = new CSharpRendererMainForm();
            var panel = form.GetRenderingPanel();
            form.ClientSize = new System.Drawing.Size(ResolutionX, ResolutionY);

            var description = new SwapChainDescription()
            {
                BufferCount = 2,
                Usage = Usage.RenderTargetOutput,
                OutputHandle = panel.Handle,
                IsWindowed = true,
                ModeDescription = new ModeDescription(ResolutionX, ResolutionY, new Rational(60, 1), Format.R8G8B8A8_UNorm),
                SampleDescription = new SampleDescription(1, 0),
                Flags = SwapChainFlags.AllowModeSwitch,
                SwapEffect = SwapEffect.Discard
            };

            Device.CreateWithSwapChain(DriverType.Hardware, DeviceCreationFlags.None, description, out device, out swapChain);
            var swapChainResource = Resource.FromSwapChain<Texture2D>(swapChain, 0);

            SamplerStates.Initialize(device);
            ShaderManager.Initialize(device);
            GPUProfiler.Initialize(device);
            ContextHelper.Initialize(device);
            RenderTargetManager.Initialize(device);
            PostEffectHelper.Initialize(device, ResolutionX, ResolutionY);
            CubemapRenderHelper.Initialize(device);
            PerlinNoiseRenderHelper.Initialize(device, device.ImmediateContext);
            LightingLUTHelper.Initialize(device, device.ImmediateContext);
            DebugManager.Initialize(device, ResolutionX, ResolutionY);

            InitializeControls(form);

            Scene scene = new Scene();
            scene.Initialize(device, form, panel, ResolutionX, ResolutionY);

            var resolvedRenderTarget = RenderTargetSet.CreateRenderTargetSet(device, ResolutionX, ResolutionY, Format.R8G8B8A8_UNorm, 1, false);
            RenderTargetSet.BindNull(device.ImmediateContext);

            // setting a viewport is required if you want to actually see anything
            var context = device.ImmediateContext;

            // prevent DXGI handling of alt+enter, which doesn't work properly with Winforms
            using (var factory = swapChain.GetParent<Factory>())
                factory.SetWindowAssociation(panel.Handle, WindowAssociationFlags.IgnoreAltEnter);

            int counter = 0;

            Dictionary<string, double> profilers;
            profilers = new Dictionary<String, double>();

            DateTime now = DateTime.Now;

            CustomConstantBufferInstance globalFrameConstantBuffer = ShaderManager.CreateConstantBufferInstance("GlobalFrameBuffer", device);

            MessagePump.Run(form, () =>
            {
                TemporalSurfaceManager.UpdateTemporalSurfaces();
                if (ShaderManager.UpdateShaderManager(device))
                {
                    InitializeControls(form);
                }

                GPUProfiler.BeginFrameProfiling(context);

                double timeDelta = (DateTime.Now - now).TotalMilliseconds;

                if (!form.GetFreezeTime())
                {
                    m_Time += timeDelta / 1000.0;
                    m_FrameNumber++;
                }

                UpdateGlobalConstantBuffer(context, globalFrameConstantBuffer, form);

                scene.RenderFrame(context, timeDelta, resolvedRenderTarget);
                now = DateTime.Now;
                DebugManager.PresentDebug(context, resolvedRenderTarget);
                context.CopyResource(resolvedRenderTarget.m_RenderTargets[0].m_TextureObject2D, swapChainResource);
                GPUProfiler.EndFrameProfiling(context);
                swapChain.Present(0, PresentFlags.None);
                context.PixelShader.SetShaderResource(null, 0);

                if (GPUProfiler.m_CurrentFrameProfilerTree != null)
                {
                    Action<GPUProfiler.ProfilerTreeMember, String> processLevel = null;

                    processLevel = (GPUProfiler.ProfilerTreeMember treeMember, String level) =>
                    {
                        string finalName = level + treeMember.m_Name;

                        if(profilers.ContainsKey(finalName))
                        {
                            profilers[finalName] += treeMember.m_Time;
                        }
                        else
                        {
                            profilers.Add(finalName, treeMember.m_Time);
                        }

                        foreach (var v in treeMember.m_ChildMembers)
                        {
                            processLevel(v, level + "_");
                        }
                    };

                    processLevel(GPUProfiler.m_CurrentFrameProfilerTree, "");
                }

                CheckAndUpdateDebugUI(context, form);

                if (++counter == 10)
                {
                    UpdateControls();
                    DataGridView dataGridView = form.GetDataGridView();
                    dataGridView.Rows.Clear();

                    foreach(var profilerEntry in profilers)
                    {
                        DataGridViewRow row = new DataGridViewRow();
                        row.CreateCells(dataGridView);
                        row.Cells[0].Value = profilerEntry.Key;
                        row.Cells[1].Value = String.Format("{0}", Math.Round(profilerEntry.Value * 100.0 / 10.0) / 100.0);
                        dataGridView.Rows.Add(row);
                    }

                    profilers.Clear();

                    counter = 0;
                }
                else
                {
                    // avoid 2ms frame times...
                    System.Threading.Thread.Sleep(10);
                }
            });
        }