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53 lines
2.2 KiB
53 lines
2.2 KiB
// Copyright (c) 2023 Nico de Poel
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//
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// Permission is hereby granted, free of charge, to any person obtaining a copy
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// of this software and associated documentation files (the "Software"), to deal
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// in the Software without restriction, including without limitation the rights
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// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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// copies of the Software, and to permit persons to whom the Software is
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// furnished to do so, subject to the following conditions:
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//
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// The above copyright notice and this permission notice shall be included in all
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// copies or substantial portions of the Software.
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//
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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// THE SOFTWARE.
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using System;
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using System.Collections;
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using System.Collections.Generic;
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using UnityEngine;
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namespace FidelityFX
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{
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[RequireComponent(typeof(Camera), typeof(Fsr2ImageEffect))]
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public class Fsr2ImageEffectHelper : MonoBehaviour
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{
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private Camera _renderCamera;
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private Fsr2ImageEffect _imageEffect;
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private void OnEnable()
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{
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_renderCamera = GetComponent<Camera>();
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_imageEffect = GetComponent<Fsr2ImageEffect>();
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}
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private void OnPreCull()
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{
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if (_imageEffect == null || !_imageEffect.enabled)
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return;
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var originalRect = _renderCamera.rect;
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float upscaleRatio = Fsr2.GetUpscaleRatioFromQualityMode(_imageEffect.qualityMode);
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// Render to a smaller portion of the screen by manipulating the camera's viewport rect
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_renderCamera.aspect = (_renderCamera.pixelWidth * originalRect.width) / (_renderCamera.pixelHeight * originalRect.height);
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_renderCamera.rect = new Rect(0, 0, originalRect.width / upscaleRatio, originalRect.height / upscaleRatio);
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}
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}
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}
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