private static Texture CreateTextureFromTga(
GraphicsDevice graphicsDevice,
ResourceUploadBatch uploadBatch,
TgaFile tgaFile,
bool generateMipMaps)
{
if (tgaFile.Header.ImageType != TgaImageType.UncompressedRgb)
{
throw new InvalidOperationException();
}
var data = ConvertTgaPixels(
tgaFile.Header.ImagePixelSize,
tgaFile.Data);
TextureMipMapData[] mipMapData;
if (generateMipMaps)
{
mipMapData = MipMapUtility.GenerateMipMaps(
tgaFile.Header.Width,
tgaFile.Header.Height,
data);
}
else
{
mipMapData = new[]
{
new TextureMipMapData
{
Data = data,
BytesPerRow = tgaFile.Header.Width * 4
}
};
}
return(Texture.CreateTexture2D(
graphicsDevice,
uploadBatch,
PixelFormat.Rgba8UNorm,
tgaFile.Header.Width,
tgaFile.Header.Height,
mipMapData));
}
public static TextureMipMapData[] GetData(TgaFile tgaFile, bool generateMipMaps)
{
var data = TgaFile.ConvertPixelsToRgba8(tgaFile);
if (generateMipMaps)
{
return(MipMapUtility.GenerateMipMaps(
tgaFile.Header.Width,
tgaFile.Header.Height,
data));
}
else
{
return(new[]
{
new TextureMipMapData
{
Data = data,
BytesPerRow = tgaFile.Header.Width * 4
}
});
}
}
