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using UnityEngine;
using System.Collections;
[RequireComponent(typeof(Camera))]
public class MobileBloom : MobilePostEffectsBase
{
public enum Resolution {
Low = 0,
High = 1,
}
public enum BlurType {
Standard = 0,
Sgx = 1,
}
public enum BlurDir
{
vertical = 0,
horizontal = 1,
both = 2
}
[Range(0.0f, 1.5f)]
public float threshhold = 0.25f;
[Range(0.0f, 2.5f)]
public float intensity = 0.75f;
[Range(0.25f, 5.5f)]
public float blurSize = 1.0f;
Resolution resolution = Resolution.Low;
[Range(1, 4)]
private int blurIterations = 1;
private BlurType blurType = BlurType.Sgx;
public BlurDir blurDir = BlurDir.vertical;
public Shader fastBloomShader;
private Material fastBloomMaterial = null;
new bool CheckResources ()
{
CheckSupport (false);
if(fastBloomShader==null)
fastBloomShader = Shader.Find("Hidden/FastBloom");
if (fastBloomMaterial==null)
fastBloomMaterial = CheckShaderAndCreateMaterial (fastBloomShader, fastBloomMaterial);
//if(!isSupported)
// ReportAutoDisable ();
return isSupported;
}
void OnDisable()
{
if (fastBloomMaterial)
DestroyImmediate(fastBloomMaterial);
}
void OnRenderImage (RenderTexture source,RenderTexture destination)
{
if(CheckResources() == false)
{
//Graphics.Blit (source, destination);
return;
}
int divider = resolution == Resolution.Low ? 4 : 2;
float widthMod = resolution == Resolution.Low ? 0.5f : 1.0f;
fastBloomMaterial.SetVector("_Parameter", new Vector4(blurSize * widthMod, 0.0f, threshhold, intensity));
source.filterMode = FilterMode.Bilinear;
int rtW = source.width / divider;
int rtH = source.height / divider;
// downsample
RenderTexture rt = RenderTexture.GetTemporary (rtW, rtH, 0, source.format);
rt.filterMode = FilterMode.Bilinear;
Graphics.Blit (source, rt, fastBloomMaterial, 1);
int passOffs = blurType == BlurType.Standard ? 0 : 2;
for(int i = 0; i < blurIterations; i++)
{
fastBloomMaterial.SetVector ("_Parameter", new Vector4 (blurSize * widthMod + (i*1.0f), 0.0f, threshhold, intensity));
RenderTexture rt2 = null;
if (blurDir == BlurDir.vertical || blurDir == BlurDir.both)
{
// vertical blur
rt2 = RenderTexture.GetTemporary(rtW, rtH, 0, source.format);
rt2.filterMode = FilterMode.Bilinear;
Graphics.Blit(rt, rt2, fastBloomMaterial, 2 + passOffs);
RenderTexture.ReleaseTemporary(rt);
rt = rt2;
}
if (blurDir == BlurDir.horizontal || blurDir == BlurDir.both)
{
// horizontal blur
rt2 = RenderTexture.GetTemporary(rtW, rtH, 0, source.format);
rt2.filterMode = FilterMode.Bilinear;
Graphics.Blit(rt, rt2, fastBloomMaterial, 3 + passOffs);
RenderTexture.ReleaseTemporary(rt);
rt = rt2;
}
}
fastBloomMaterial.SetTexture("_Bloom", rt);
Graphics.Blit(source, destination, fastBloomMaterial, 0);
RenderTexture.ReleaseTemporary(rt);
}
}
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