void OnRenderImage(RenderTexture source, RenderTexture destination)
{
if (MyMaterial)
{
//申请两块降低了分辨率的RT
RenderTexture rt1 = RenderTexture.GetTemporary(source.width >> downSampleFactor, source.height >> downSampleFactor, 0, source.format);
RenderTexture rt2 = RenderTexture.GetTemporary(source.width >> downSampleFactor, source.height >> downSampleFactor, 0, source.format);
Graphics.Blit(source, rt1);
//使用降低分辨率的rt进行模糊:pass0
MyMaterial.SetFloat("_BlurFactor", blurFactor);
MyMaterial.SetVector("_BlurCenter", blurCenter);
Graphics.Blit(rt1, rt2, MyMaterial, 0);
//使用rt2和原始图像lerp:pass1
MyMaterial.SetTexture("_BlurTex", rt2);
MyMaterial.SetFloat("_LerpFactor", lerpFactor);
Graphics.Blit(source, destination, MyMaterial, 1);
//释放RTs
RenderTexture.ReleaseTemporary(rt1);
RenderTexture.ReleaseTemporary(rt2);
}
else
{
Graphics.Blit(source, destination);
}
}
private void OnRenderImage(RenderTexture source, RenderTexture destination)
{
if (MyMaterial)
{
if (vignetteTexture)
{
MyMaterial.SetTexture("_VignetteTex", vignetteTexture);
}
var rt1 = RenderTexture.GetTemporary(source.width >> downSample, source.height >> downSample, 0, source.format);
var rt2 = RenderTexture.GetTemporary(source.width >> downSample, source.height >> downSample, 0, source.format);
Graphics.Blit(source, rt1);
for (int i = 0; i < iteration; i++)
{
MyMaterial.SetVector("_offsets", new Vector4(0, blurRadius));
Graphics.Blit(rt1, rt2, MyMaterial);
MyMaterial.SetVector("_offsets", new Vector4(blurRadius, 0));
Graphics.Blit(rt2, rt1, MyMaterial);
}
Graphics.Blit(rt1, destination);
RenderTexture.ReleaseTemporary(rt1);
RenderTexture.ReleaseTemporary(rt2);
}
else
{
Graphics.Blit(source, destination);
}
}
private void OnRenderImage(RenderTexture source, RenderTexture destination)
{
if (MyMaterial)
{
MyMaterial.SetFloat("_BlurFactor", blurFactor);
MyMaterial.SetVector("_BlurCenter", blurCenter);
Graphics.Blit(source, destination, MyMaterial);
}
else
{
Graphics.Blit(source, destination);
}
}
private void OnRenderImage(RenderTexture source, RenderTexture destination)
{
if (MyMaterial)
{
MyMaterial.SetTexture("_NoiseTex", NoiseTexture);
MyMaterial.SetFloat("_DistortFactor", distortFactor);
MyMaterial.SetVector("_DistortCenter", distortCenter);
MyMaterial.SetFloat("_DistortStrength", distortStrength);
Graphics.Blit(source, destination, MyMaterial);
}
else
{
Graphics.Blit(source, destination);
}
}
private void OnRenderImage(RenderTexture source, RenderTexture destination)
{
if (MyMaterial)
{
float curWaveDistance = (Time.time - waveStartTime) * waveSpeed;
MyMaterial.SetFloat("_distanceFactor", distanceFactor);
MyMaterial.SetFloat("_timeFactor", timeFactor);
MyMaterial.SetFloat("_totalFactor", totalFactor);
MyMaterial.SetFloat("_waveWidth", waveWidth);
MyMaterial.SetFloat("_curWaveDis", curWaveDistance);
MyMaterial.SetVector("_startPos", startPos);
Graphics.Blit(source, destination, MyMaterial);
}
else
{
Graphics.Blit(source, destination);
}
}
void OnRenderImage(RenderTexture source, RenderTexture destination)
{
if (MyMaterial && renderTexture)
{
RenderTexture temp1 = RenderTexture.GetTemporary(source.width >> downSample, source.height >> downSample, 0);
RenderTexture temp2 = RenderTexture.GetTemporary(source.width >> downSample, source.height >> downSample, 0);
//高斯模糊，两次模糊，横向纵向，使用pass0进行高斯模糊
MyMaterial.SetVector("_offsets", new Vector4(0, samplerScale, 0, 0));
Graphics.Blit(renderTexture, temp1, MyMaterial, 0);
MyMaterial.SetVector("_offsets", new Vector4(samplerScale, 0, 0, 0));
Graphics.Blit(temp1, temp2, MyMaterial, 0);
//如果有叠加再进行迭代模糊处理
for (int i = 0; i < iteration; i++)
{
MyMaterial.SetVector("_offsets", new Vector4(0, samplerScale, 0, 0));
Graphics.Blit(temp2, temp1, MyMaterial, 0);
MyMaterial.SetVector("_offsets", new Vector4(samplerScale, 0, 0, 0));
Graphics.Blit(temp1, temp2, MyMaterial, 0);
}
//用模糊图和原始图计算出轮廓图
//MyMaterial.SetTexture("_BlurTex", temp2);
//Graphics.Blit(renderTexture, temp1, MyMaterial, 1);
//轮廓图和场景图叠加
MyMaterial.SetTexture("_BlurTex", temp1);
Graphics.Blit(source, destination, MyMaterial, 2);
RenderTexture.ReleaseTemporary(temp1);
RenderTexture.ReleaseTemporary(temp2);
}
else
{
Graphics.Blit(source, destination);
}
}
private void OnRenderImage(RenderTexture src, RenderTexture dest)
{
if (MyMaterial != null)
{
RenderTexture rt1 = RenderTexture.GetTemporary(src.width >> downSample, src.height >> downSample, 0, src.format);
RenderTexture rt2 = RenderTexture.GetTemporary(src.width >> downSample, src.height >> downSample, 0, src.format);
//缩小
Graphics.Blit(src, rt1);
//阈值分割处理
//MyMaterial.SetVector("_ColorThreshold", colorThreshold);
MyMaterial.SetFloat("_LuminanceThreshold", luminanceThreshold);
Graphics.Blit(rt1, rt2, MyMaterial, 0);
//高斯模糊处理
MyMaterial.SetVector("_Offsets", new Vector4(1, 0, 0, 0));
Graphics.Blit(rt2, rt1, MyMaterial, 1);
MyMaterial.SetVector("_Offsets", new Vector4(0, 1, 0, 0));
Graphics.Blit(rt1, rt2, MyMaterial, 1);
//Bloom混合
MyMaterial.SetTexture("_BlurTex", rt2);
MyMaterial.SetVector("_BloomColor", bloomColor);
MyMaterial.SetFloat("_BloomFactor", bloomFactor);
Graphics.Blit(src, dest, MyMaterial, 2);
RenderTexture.ReleaseTemporary(rt1);
RenderTexture.ReleaseTemporary(rt2);
}
else
{
Graphics.Blit(src, dest);
}
}