98 lines
2.7 KiB
C#
98 lines
2.7 KiB
C#
using UnityEngine;
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namespace UnityStandardAssets.ImageEffects
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{
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[ExecuteInEditMode]
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[RequireComponent(typeof(Camera))]
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[AddComponentMenu("Image Effects/Bloom and Glow/Bloom (Optimized)")]
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public class BloomOptimized : PostEffectsBase
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{
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public enum Resolution
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{
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Low = 0,
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High = 1
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}
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public enum BlurType
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{
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Standard = 0,
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Sgx = 1
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}
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[Range(0f, 1.5f)]
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public float threshold = 0.25f;
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[Range(0f, 2.5f)]
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public float intensity = 0.75f;
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[Range(0.25f, 5.5f)]
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public float blurSize = 1f;
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private Resolution resolution;
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[Range(1f, 4f)]
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public int blurIterations = 1;
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public BlurType blurType;
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public Shader fastBloomShader;
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private Material fastBloomMaterial;
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public override bool CheckResources()
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{
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CheckSupport(needDepth: false);
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fastBloomMaterial = CheckShaderAndCreateMaterial(fastBloomShader, fastBloomMaterial);
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if (!isSupported)
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{
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ReportAutoDisable();
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}
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return isSupported;
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}
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private void OnDisable()
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{
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if ((bool)fastBloomMaterial)
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{
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Object.DestroyImmediate(fastBloomMaterial);
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}
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}
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private void OnRenderImage(RenderTexture source, RenderTexture destination)
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{
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if (!CheckResources())
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{
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Graphics.Blit(source, destination);
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return;
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}
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int num = ((resolution == Resolution.Low) ? 4 : 2);
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float num2 = ((resolution == Resolution.Low) ? 0.5f : 1f);
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fastBloomMaterial.SetVector("_Parameter", new Vector4(blurSize * num2, 0f, threshold, intensity));
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source.filterMode = FilterMode.Bilinear;
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int width = source.width / num;
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int height = source.height / num;
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RenderTexture renderTexture = RenderTexture.GetTemporary(width, height, 0, source.format);
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renderTexture.filterMode = FilterMode.Bilinear;
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Graphics.Blit(source, renderTexture, fastBloomMaterial, 1);
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int num3 = ((blurType != BlurType.Standard) ? 2 : 0);
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for (int i = 0; i < blurIterations; i++)
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{
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fastBloomMaterial.SetVector("_Parameter", new Vector4(blurSize * num2 + (float)i * 1f, 0f, threshold, intensity));
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RenderTexture temporary = RenderTexture.GetTemporary(width, height, 0, source.format);
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temporary.filterMode = FilterMode.Bilinear;
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Graphics.Blit(renderTexture, temporary, fastBloomMaterial, 2 + num3);
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RenderTexture.ReleaseTemporary(renderTexture);
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renderTexture = temporary;
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temporary = RenderTexture.GetTemporary(width, height, 0, source.format);
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temporary.filterMode = FilterMode.Bilinear;
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Graphics.Blit(renderTexture, temporary, fastBloomMaterial, 3 + num3);
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RenderTexture.ReleaseTemporary(renderTexture);
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renderTexture = temporary;
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}
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fastBloomMaterial.SetTexture("_Bloom", renderTexture);
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Graphics.Blit(source, destination, fastBloomMaterial, 0);
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RenderTexture.ReleaseTemporary(renderTexture);
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}
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}
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}
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