public ImageId SaveImageHDR(Texture2D texture, EHDRTextureType type, int maxSize = -1, string path = null)
{
if (_texture2d2ImageID.ContainsKey(texture))
{
return _texture2d2ImageID[texture];
}
string format = ".png";
string[] pathes;
if (path == null)
{
pathes = GetTextureOutPath(texture, format);
}
else
{
pathes = ExporterUtils.GetAssetOutPath(path, format);
}
var exportPath = pathes[0];
var pathInGlTF = pathes[1];
var newtex = GLTFTextureUtils.HDR2RGBD(texture);
if (maxSize > 0 && (newtex.width > maxSize || newtex.height > maxSize))
{
TextureScale.Bilinear(newtex, maxSize, maxSize);
}
byte[] content = newtex.EncodeToPNG();
return GenerateImage(content, exportPath, pathInGlTF);
}
public TextureId SaveTextureHDR(Texture2D texture, EHDRTextureType type, int maxSize = -1, string path = null)
{
if (type != EHDRTextureType.RGBD)
{
throw new Exception("HDR Texture can only be exported as 'RGBD' now !");
}
var isGammaSpace = PlayerSettings.colorSpace == ColorSpace.Gamma;
if (isGammaSpace)
{
// we need linear space lightmap in Sein
Debug.LogWarning("You are using lightmap in `Gamma ColorSpace`, it may have wrong result in Sein ! Please checkout 'http://seinjs.com/guide/baking' for details !");
}
if (_texture2d2ID.ContainsKey(texture))
{
return _texture2d2ID[texture];
}
var imageId = SaveImageHDR(texture, type, maxSize, path);
return GenerateTexture(texture, imageId);
}
