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#define FXPRO_EFFECT
//#define BLOOMPRO_EFFECT
#if FXPRO_EFFECT
#define BLOOMPRO_EFFECT
#endif
using System;
using System.Collections.Generic;
using System.Linq;
using UnityEngine;
using Object = UnityEngine.Object;
#if FXPRO_EFFECT
namespace FxProNS {
#elif BLOOMPRO_EFFECT
namespace BloomProNS {
#endif
[Serializable]
public class BloomHelperParams {
public EffectsQuality Quality;
public Color BloomTint = new Color(110.0f/255.0f,230.0f/255.0f,1.0f,1.0f);
[Range( 0f, .99f )]
public float BloomThreshold = .8f;
[Range( 0f, 3f )]
public float BloomIntensity = 0.7f;
[Range( 0.01f, 3f )]
public float BloomSoftness = .5f;
}
public class BloomHelper : Singleton<BloomHelper>, IDisposable
{
private static Material _mat;
public static Material Mat
{
get
{
if (null == _mat)
{
Shader shader = XUtliPoolLib.ShaderManager.singleton.FindShader("BloomPro", "Hidden/BloomPro");
_mat = new Material(shader)
{
hideFlags = HideFlags.HideAndDontSave
};
}
return _mat;
}
}
private BloomHelperParams p;
private int bloomSamples = 5;
private float bloomBlurRadius = 5f;
#if ((UNITY_EDITOR) || (UNITY_STANDALONE)|| (UNITY_IOS))
public void SetParams(BloomHelperParams _p)
{
p = _p;
}
public void Init() {
float realBloomIntensity = Mathf.Exp( p.BloomIntensity ) - 1f;
//if (Application.platform == RuntimePlatform.IPhonePlayer)
// p.BloomThreshold *= .75f;
Mat.SetFloat( "_BloomThreshold", p.BloomThreshold );
Mat.SetFloat( "_BloomIntensity", realBloomIntensity );
Mat.SetColor( "_BloomTint", p.BloomTint );
// Debug.Log( p.BloomTint );
//Bloom samples settings
if (p.Quality == EffectsQuality.High || p.Quality == EffectsQuality.Normal) {
bloomSamples = 5;
Mat.EnableKeyword( "BLOOM_SAMPLES_5" );
} if (p.Quality == EffectsQuality.Fast || p.Quality == EffectsQuality.Fastest) {
bloomSamples = 3;
Mat.DisableKeyword( "BLOOM_SAMPLES_5" );
}
//Blur radius settings
if (p.Quality == EffectsQuality.High) {
bloomBlurRadius = 10f;
Mat.EnableKeyword( "BLUR_RADIUS_10" );
Mat.DisableKeyword( "BLUR_RADIUS_5" );
} else {
bloomBlurRadius = 5f;
Mat.EnableKeyword( "BLUR_RADIUS_5" );
Mat.DisableKeyword( "BLUR_RADIUS_10" );
}
float[] bloomTexFactors = CalculateBloomTexFactors( Mathf.Exp( p.BloomSoftness ) - 1f );
if (bloomTexFactors.Length == 5) {
Mat.SetVector( "_BloomTexFactors1",
new Vector4( bloomTexFactors[0], bloomTexFactors[1], bloomTexFactors[2], bloomTexFactors[3] ) );
Mat.SetVector( "_BloomTexFactors2", new Vector4( bloomTexFactors[4], 0f, 0f, 0f ) );
} else if (bloomTexFactors.Length == 3) {
Mat.SetVector(
"_BloomTexFactors1",
new Vector4( bloomTexFactors[0], bloomTexFactors[1], bloomTexFactors[2], 0f ) );
} else {
Debug.LogError( "Unsupported bloomTexFactors.Length: " + bloomTexFactors.Length );
}
RenderTextureManager.Instance.Dispose();
}
public void RenderBloomTexture( RenderTexture source, RenderTexture dest )
{
RenderTexture curRenderTex = RenderTextureManager.Instance.RequestRenderTexture( source.width, source.height, source.depth, source.format );
//Prepare by extracting blooming pixels
Graphics.Blit( source, curRenderTex, Mat, 0 ); //Is it ok to extract blooming pixels at 1/4 res??????
//Downsample & blur
for (int i = 1; i <= bloomSamples; i++) {
float curSpread = Mathf.Lerp( 1f, 2f, (float)(i - 1) / (float)(bloomSamples) );
#if FXPRO_EFFECT
RenderTextureManager.Instance.SafeAssign( ref curRenderTex, FxPro.DownsampleTex( curRenderTex, 2f ) );
#elif BLOOMPRO_EFFECT
RenderTextureManager.Instance.SafeAssign( ref curRenderTex, BloomPro.DownsampleTex( curRenderTex, 2f ) );
#elif DOFPRO_EFFECT
RenderTextureManager.Instance.SafeAssign( ref curRenderTex, DOFPro.DownsampleTex( curRenderTex, 2f ) );
#endif
RenderTextureManager.Instance.SafeAssign( ref curRenderTex, BlurTex( curRenderTex, curSpread ) );
//Set blurred bloom texture
Mat.SetTexture( "_DsTex" + i, curRenderTex );
}
//Bloom composite pass
Graphics.Blit( null, dest, Mat, 1 );
RenderTextureManager.Instance.ReleaseRenderTexture(curRenderTex);
}
public RenderTexture BlurTex( RenderTexture _input, float _spread ) {
//Blur
float curBlurSize = _spread * 10f / bloomBlurRadius; //Normalization - smaller blur = higher step
RenderTexture tempRenderTex1 = RenderTextureManager.Instance.RequestRenderTexture( _input.width, _input.height, _input.depth, _input.format );
RenderTexture tempRenderTex2 = RenderTextureManager.Instance.RequestRenderTexture( _input.width, _input.height, _input.depth, _input.format );
//Horizontal blur
Mat.SetVector( "_SeparableBlurOffsets", new Vector4( 1f, 0f, 0f, 0f ) * curBlurSize );
Graphics.Blit( _input, tempRenderTex1, Mat, 2 );
//Vertical blur
Mat.SetVector( "_SeparableBlurOffsets", new Vector4( 0f, 1f, 0f, 0f ) * curBlurSize );
Graphics.Blit( tempRenderTex1, tempRenderTex2, Mat, 2 );
tempRenderTex1 = RenderTextureManager.Instance.ReleaseRenderTexture( tempRenderTex1 );
return tempRenderTex2;
}
private float[] CalculateBloomTexFactors( float softness ) {
var bloomTexFactors = new float[bloomSamples];
for (int i = 0; i < bloomTexFactors.Length; i++) {
float t = (float)(i) / (float)(bloomTexFactors.Length - 1);
bloomTexFactors[i] = Mathf.Lerp( 1f, softness, t );
}
bloomTexFactors = MakeSumOne( bloomTexFactors );
return bloomTexFactors;
}
private float[] MakeSumOne( IList<float> _in ) {
float sum = _in.Sum();
var res = new float[_in.Count];
for (int i = 0; i < _in.Count; i++) {
res[i] = _in[i] / sum;
}
return res;
}
public void Dispose()
{
if (null != Mat)
Object.DestroyImmediate(Mat);
RenderTextureManager.Instance.Dispose();
}
#else
public void Dispose() {
}
#endif
}
}
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