private void createTexture()
{
uint movieWidth = MetaioSDKUnity.getMovieTextureWidth(movieGeometry);
uint movieHeight = MetaioSDKUnity.getMovieTextureHeight(movieGeometry);
// Shouldn't happen, dimensions are initialized by now
if (movieWidth == 0 || movieHeight == 0)
{
throw new Exception("Movie not loaded yet, width/height is zero");
}
int textureSizeX = nextPowerOf2(movieWidth);
int textureSizeY = nextPowerOf2(movieHeight);
Texture2D texture = new Texture2D(textureSizeX, textureSizeY, TextureFormat.RGBA32, false);
// User has to set transparency-supporting shader himself since he might as well overwrite the shader with
// a custom one, so we do not force anyone to use the Unity built-in shader
Material mat = gameObject.renderer.material;
texture.wrapMode = TextureWrapMode.Clamp;
mat.mainTexture = texture;
// Most videos are not a power of 2 in dimensions, so scale the UV coordinates appropriately.
// Unity seems to interpret the (0,0) coordinate of OpenGL textures as bottom left, so we
// need to vertically flip the V coordinate here.
mat.mainTextureScale = new Vector2((float)movieWidth / textureSizeX, -(float)movieHeight / textureSizeY);
mat.mainTextureOffset = new Vector2(0, (float)movieHeight / textureSizeY);
textureID = texture.GetNativeTextureID();
Debug.Log(string.Format("Texture ID for movie {0} ({1}x{2}): {3}", movieFile, movieWidth, movieHeight, textureID));
}
