public static void CreateTexture(Texture vpxTex, string textureFolder)
{
var unityTex = vpxTex.ToUnityTexture();
byte[] bytes = null;
if (vpxTex.IsHdr)
{
// this is a hack to decompress the texture or unity will throw an error as it cant write compressed files.
var renderTex = RenderTexture.GetTemporary(
unityTex.width,
unityTex.height,
0,
RenderTextureFormat.Default,
RenderTextureReadWrite.Linear
);
var previous = RenderTexture.active;
RenderTexture.active = renderTex;
Graphics.Blit(unityTex, renderTex);
var rawImage = new Texture2D(unityTex.width, unityTex.height, TextureFormat.RGBAFloat, false);
rawImage.ReadPixels(new Rect(0, 0, renderTex.width, renderTex.height), 0, 0);
rawImage.Apply();
RenderTexture.active = previous;
RenderTexture.ReleaseTemporary(renderTex);
bytes = rawImage.EncodeToEXR(Texture2D.EXRFlags.CompressZIP);
}
else
{
bytes = unityTex.EncodeToPNG();
}
var path = vpxTex.GetUnityFilename(textureFolder);
File.WriteAllBytes(path, bytes);
AssetDatabase.ImportAsset(path);
}
public static void WriteAsAsset(this Texture texture, string folder, bool skipIfExists)
{
var path = texture.GetUnityFilename(folder);
if (skipIfExists && File.Exists(path))
{
return;
}
// convert if bmp
if (texture.ConvertToPng)
{
using var im = texture.GetImage();
im.Pngsave(path);
}
else if (texture.IsWebp)
{
// write both original and png conversion
File.WriteAllBytes(path, texture.Content);
using var im = texture.GetImage();
im.Pngsave(Path.Combine(
Path.GetDirectoryName(path) ?? "",
Path.GetFileNameWithoutExtension(path) + ".png"
));
}
else // might need to convert other formats like webp
{
File.WriteAllBytes(path, texture.Content);
}
}