protected void Blur(RenderTexture source, eBlurType blurType)
{
RenderTexture tmpBlurTexture = RenderTexture.GetTemporary(source.width, source.height, source.depth, source.format);
Blur(source, tmpBlurTexture, blurType);
RenderTexture.ReleaseTemporary(tmpBlurTexture);
}
protected void Blur(RenderTexture source, RenderTexture destination, eBlurType blurType)
{
float widthOverHeight = source.width / (1.0f * source.height);
float oneOverBaseSize = 1.0f / 512.0f;
int pass = (int)blurType;
for (int i = 0; i < m_blurIteration; ++i)
{
float offsetScale = (1.0f + (i * 0.25f)) * m_blurRange;
BlurMat.SetVector(ShaderPropertyID.BlurOffset, new Vector4(0, offsetScale * oneOverBaseSize, 0, 0));
Graphics.Blit(source, destination, BlurMat, pass);
BlurMat.SetVector(ShaderPropertyID.BlurOffset, new Vector4((offsetScale / widthOverHeight) * oneOverBaseSize, 0, 0, 0));
Graphics.Blit(destination, source, BlurMat, pass);
}
Graphics.Blit(source, destination, BlurMat, pass);
}
