You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
58 lines
2.8 KiB
58 lines
2.8 KiB
// Copyright (c) 2023 Nico de Poel
|
|
//
|
|
// Permission is hereby granted, free of charge, to any person obtaining a copy
|
|
// of this software and associated documentation files (the "Software"), to deal
|
|
// in the Software without restriction, including without limitation the rights
|
|
// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
|
|
// copies of the Software, and to permit persons to whom the Software is
|
|
// furnished to do so, subject to the following conditions:
|
|
//
|
|
// The above copyright notice and this permission notice shall be included in all
|
|
// copies or substantial portions of the Software.
|
|
//
|
|
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
|
|
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
|
|
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
|
|
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
|
|
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
|
|
// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
|
|
// THE SOFTWARE.
|
|
|
|
using System.Collections;
|
|
using UnityEngine;
|
|
|
|
namespace FidelityFX
|
|
{
|
|
/// <summary>
|
|
/// Small helper script to be used in conjunction with the Fsr2ImageEffect script.
|
|
/// The FSR2 image effect needs to be the last effect in the post-processing chain but for render scaling to work properly, it also needs to be the first to execute OnPreCull.
|
|
/// Unfortunately altering the script execution order does not affect the order in which OnPreCull is executed. Only the order of scripts on the same game object matters.
|
|
///
|
|
/// When combining FSR2 upscaling with other post-processing effects (most notably Unity's Post-Processing Stack V2),
|
|
/// this script should be added to the same camera and moved up above any other scripts that have an OnPreCull method.
|
|
/// </summary>
|
|
[RequireComponent(typeof(Camera), typeof(Fsr2ImageEffect))]
|
|
public class Fsr2ImageEffectHelper : MonoBehaviour
|
|
{
|
|
private Camera _renderCamera;
|
|
private Fsr2ImageEffect _imageEffect;
|
|
|
|
private void OnEnable()
|
|
{
|
|
_renderCamera = GetComponent<Camera>();
|
|
_imageEffect = GetComponent<Fsr2ImageEffect>();
|
|
}
|
|
|
|
private void OnPreCull()
|
|
{
|
|
if (_imageEffect == null || !_imageEffect.enabled)
|
|
return;
|
|
|
|
var originalRect = _renderCamera.rect;
|
|
float upscaleRatio = Fsr2.GetUpscaleRatioFromQualityMode(_imageEffect.qualityMode);
|
|
|
|
// Render to a smaller portion of the screen by manipulating the camera's viewport rect
|
|
_renderCamera.rect = new Rect(0, 0, originalRect.width / upscaleRatio, originalRect.height / upscaleRatio);
|
|
}
|
|
}
|
|
}
|