public void registerImageFromData(byte[] imageData, int imageID, string imageName = "")
{
Texture2D texture = new Texture2D(4, 4);
texture.name = imageName;
texture.LoadImage(imageData);
GL.sRGBWrite = true;
saveTexture(GLTFTextureUtils.flipTexture(texture), imageID);
}
private Texture2D TextureFlipY(Texture2D texture, Func<Color, Color> convertColor = null, Action<Texture2D> processTexture = null)
{
Texture2D newTex;
TextureImporter im = AssetImporter.GetAtPath(AssetDatabase.GetAssetPath(texture)) as TextureImporter;
if (convertColor == null && (im == null || im.textureType != TextureImporterType.NormalMap))
{
// use gpu to speed up
newTex = GLTFTextureUtils.flipTexture(texture);
}
else
{
int height = texture.height;
int width = texture.width;
Color[] newTextureColors = new Color[height * width];
ExporterUtils.DoActionForTexture(ref texture, tex =>
{
Color[] textureColors = tex.GetPixels();
for (int i = 0; i < height; ++i)
{
for (int j = 0; j < width; ++j)
{
var c = textureColors[(height - i - 1) * width + j];
newTextureColors[i * width + j] = convertColor != null ? convertColor(c) : c;
}
}
}
);
newTex = new Texture2D(width, height);
newTex.SetPixels(newTextureColors);
newTex.Apply();
}
if (processTexture != null)
{
processTexture(newTex);
}
return newTex;
}
