FidelityFX-FSR plugin, initia camera render stuff

Source/Game/Cabrito/EngineSubsystem.cs

@@ -104,5 +104,22 @@ namespace Cabrito
 				}
 			}
 		}
+
+		[ConsoleVariable("r_renderscale")]
+		public static string RenderScale
+		{
+			get
+			{
+				return MainRenderTask.Instance.RenderingPercentage.ToString();
+			}
+			set
+			{
+				if (float.TryParse(value, out float valueFloat))
+				{
+					valueFloat = Mathf.Clamp(valueFloat, 0.00001f, 4.0f);
+					MainRenderTask.Instance.RenderingPercentage = valueFloat;
+				}
+			}
+		}
 	}
 }

Source/Game/CameraRender.cs

@@ -0,0 +1,75 @@
+using System;
+using System.Collections.Generic;
+using FlaxEngine;
+
+namespace Game
+{
+    /// <summary>
+    /// CameraRender Script.
+    /// </summary>
+    public class CameraRender : Script
+    {
+        public Camera camera;
+
+        private PostProcessEffect fidelityFx;
+
+        public override void OnStart()
+        {
+            // Here you can add code that needs to be called when script is created, just before the first game update
+            MainRenderTask.Instance.Render += InstanceOnRender;
+            MainRenderTask.Instance.PostRender += OnPostRender;
+
+            foreach (PostProcessEffect fx in SceneRenderTask.GlobalCustomPostFx)
+            {
+                if (fx.TypeName == "FidelityFX.FSRPostFx")
+                    fidelityFx = fx;
+                Debug.Log("fx: " + fx.TypeName);
+            }
+
+            MainRenderTask.Instance.RenderingPercentage = 1f;
+        }
+
+        private void InstanceOnRender(RenderTask renderTask, GPUContext gpuContext)
+        {
+            //gpuContext.Clear();
+            var outputView = MainRenderTask.Instance.OutputView;
+            var viewport = camera.Viewport;
+            MainRenderTask.Instance.View.CopyFrom(camera, ref viewport);
+
+            //MainRenderTask.Instance.View.CopyFrom(Camera.MainCamera);
+        }
+
+        private void OnPostRender(GPUContext gpuContext, ref RenderContext renderContext)
+        {
+            //var viewport = MainRenderTask.Instance.Viewport;
+            //var viewport2 = camera.Viewport;
+
+            MainRenderTask.Instance.View.CopyFrom(Camera.MainCamera);
+        }
+
+        /// <inheritdoc/>
+        public override void OnEnable()
+        {
+            // Here you can add code that needs to be called when script is enabled (eg. register for events)
+        }
+
+        /// <inheritdoc/>
+        public override void OnDisable()
+        {
+            MainRenderTask.Instance.Render -= InstanceOnRender;
+            MainRenderTask.Instance.PostRender -= OnPostRender;
+            // Here you can add code that needs to be called when script is disabled (eg. unregister from events)
+        }
+
+        /// <inheritdoc/>
+        public override void OnUpdate()
+        {
+            if (Input.GetKeyDown(KeyboardKeys.F8))
+            {
+                fidelityFx.Enabled = !fidelityFx.Enabled;
+                Cabrito.Console.Print("FXR: " + fidelityFx.Enabled.ToString());
+            }
+            // Here you can add code that needs to be called every frame
+        }
+    }
+}