AcTools.Render.Forward.ForwardRenderer.DrawInner C# (CSharp) Method

        protected override void DrawInner() {
            DrawPrepare();

            DeviceContext.ClearRenderTargetView(_buffer.TargetView, Color.Gray);
            DeviceContext.ClearDepthStencilView(DepthStencilView, DepthStencilClearFlags.Depth | DepthStencilClearFlags.Stencil, 1f, 0);
            DeviceContext.OutputMerger.SetTargets(DepthStencilView, _buffer.TargetView);

            DeviceContext.OutputMerger.DepthStencilState = null;
            DeviceContext.OutputMerger.BlendState = null;
            DeviceContext.Rasterizer.State = ShowWireframe ? _wireframeRasterizerState : null;

            DeviceContext.OutputMerger.DepthStencilState = DeviceContextHolder.LessEqualDepthState;
            Scene.Draw(DeviceContextHolder, ActualCamera, SpecialRenderMode.Simple);

            DeviceContext.OutputMerger.DepthStencilState = DeviceContextHolder.ReadOnlyDepthState;
            Scene.Draw(DeviceContextHolder, ActualCamera, SpecialRenderMode.SimpleTransparent);

            DrawAfter();

            DeviceContext.OutputMerger.DepthStencilState = null;
            DeviceContext.OutputMerger.BlendState = null;
            DeviceContext.Rasterizer.State = null;

            ShaderResourceView result;
            if (UseBloom) {
                if (_hdr == null) {
                    _hdr = DeviceContextHolder.GetEffect<EffectPpHdr>();
                    _blur = DeviceContextHolder.GetHelper<BlurHelper>();
                }

                DeviceContext.OutputMerger.SetTargets(_buffer1.TargetView);
                DeviceContext.ClearRenderTargetView(_buffer1.TargetView, ColorTransparent);

                DeviceContextHolder.PrepareQuad(_hdr.LayoutPT);
                _hdr.FxInputMap.SetResource(_buffer.View);
                _hdr.TechBloom.DrawAllPasses(DeviceContext, 6);
                
                _blur.Blur(DeviceContextHolder, _buffer1, _buffer2, 1f, 2);

                DeviceContext.OutputMerger.SetTargets(_buffer2.TargetView);

                _hdr.FxInputMap.SetResource(_buffer.View);
                _hdr.FxBloomMap.SetResource(_buffer1.View);
                _hdr.TechCombine.DrawAllPasses(DeviceContext, 6);

                result = _buffer2.View;
            } else {
                result = _buffer.View;
            }

            DeviceContext.ClearRenderTargetView(RenderTargetView, ColorTransparent);
            if (UseFxaa) {
                DeviceContextHolder.GetHelper<FxaaHelper>().Draw(DeviceContextHolder, result, RenderTargetView);
            } else {
                DeviceContextHolder.GetHelper<CopyHelper>().Draw(DeviceContextHolder, result, RenderTargetView);
            }
        }