/// <inheritdoc />
            public override void Render(GPUContext context, ref RenderContext renderContext, GPUTexture input, GPUTexture output)
            {
                Profiler.BeginEventGPU("Editor Primitives");

                // Prepare
                var renderList = RenderList.GetFromPool();
                var prevList   = renderContext.List;

                renderContext.List      = renderList;
                renderContext.View.Pass = DrawPass.Forward;

                // Bind output
                float width  = input.Width;
                float height = input.Height;

                context.SetViewport(width, height);
                var depthBuffer       = renderContext.Buffers.DepthBuffer;
                var depthBufferHandle = depthBuffer.View();

                if ((depthBuffer.Flags & GPUTextureFlags.ReadOnlyDepthView) == GPUTextureFlags.ReadOnlyDepthView)
                {
                    depthBufferHandle = depthBuffer.ViewReadOnlyDepth();
                }
                context.SetRenderTarget(depthBufferHandle, input.View());

                // Collect draw calls
                for (int i = 0; i < Level.ScenesCount; i++)
                {
                    var scene = Level.GetScene(i);
                    ViewportIconsRenderer.DrawIcons(ref renderContext, scene);
                }

                // Sort draw calls
                renderList.SortDrawCalls(ref renderContext, true, DrawCallsListType.Forward);

                // Perform the rendering
                renderList.ExecuteDrawCalls(ref renderContext, DrawCallsListType.Forward);

                // Cleanup
                RenderList.ReturnToPool(renderList);
                renderContext.List = prevList;

                Profiler.EndEventGPU();
            }
Esempio n. 2
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        /// <inheritdoc />
        public override void Render(GPUContext context, ref RenderContext renderContext, GPUTexture input, GPUTexture output)
        {
            if (Viewport == null)
            {
                throw new NullReferenceException();
            }

            Profiler.BeginEventGPU("Editor Primitives");

            // Check if use MSAA
            var  format         = output.Format;
            var  formatFeatures = GPUDevice.Instance.GetFormatFeatures(format);
            bool enableMsaa     = formatFeatures.MSAALevelMax >= MSAALevel.X4 && Editor.Instance.Options.Options.Visual.EnableMSAAForDebugDraw;

            // Prepare
            var msaaLevel = enableMsaa ? MSAALevel.X4 : MSAALevel.None;
            var width     = output.Width;
            var height    = output.Height;
            var desc      = GPUTextureDescription.New2D(width, height, format, GPUTextureFlags.RenderTarget | GPUTextureFlags.ShaderResource, 1, 1, msaaLevel);
            var target    = RenderTargetPool.Get(ref desc);

            desc = GPUTextureDescription.New2D(width, height, PixelFormat.D24_UNorm_S8_UInt, GPUTextureFlags.DepthStencil, 1, 1, msaaLevel);
            var targetDepth = RenderTargetPool.Get(ref desc);

            // Copy frame and clear depth
            context.Draw(target, input);
            context.ClearDepth(targetDepth.View());
            context.SetViewport(width, height);
            context.SetRenderTarget(targetDepth.View(), target.View());

            // Draw gizmos and other editor primitives
            var renderList = RenderList.GetFromPool();
            var prevList   = renderContext.List;

            renderContext.List = renderList;
            for (int i = 0; i < Viewport.Gizmos.Count; i++)
            {
                Viewport.Gizmos[i].Draw(ref renderContext);
            }
            Viewport.DrawEditorPrimitives(context, ref renderContext, target, targetDepth);

            // Sort draw calls
            renderList.SortDrawCalls(ref renderContext, false, DrawCallsListType.GBuffer);
            renderList.SortDrawCalls(ref renderContext, false, DrawCallsListType.GBufferNoDecals);
            renderList.SortDrawCalls(ref renderContext, true, DrawCallsListType.Forward);

            // Perform the rendering
            renderContext.View.Pass = DrawPass.GBuffer;
            renderList.ExecuteDrawCalls(ref renderContext, DrawCallsListType.GBuffer);
            renderList.ExecuteDrawCalls(ref renderContext, DrawCallsListType.GBufferNoDecals);
            renderContext.View.Pass = DrawPass.Forward;
            renderList.ExecuteDrawCalls(ref renderContext, DrawCallsListType.Forward);

            // Resolve MSAA texture
            if (enableMsaa)
            {
                context.ResolveMultisample(target, output);
            }
            else
            {
                context.Draw(output, target);
            }

            // Cleanup
            RenderTargetPool.Release(targetDepth);
            RenderTargetPool.Release(target);
            RenderList.ReturnToPool(renderList);
            renderContext.List = prevList;

            Profiler.EndEventGPU();
        }