public ShaderResourceView Load(string filename, out Rectangle contentRectOut, out Size sizeOut)
{
Debug.Assert(filename != null);
var textureData = _fs.ReadBinaryFile(filename);
try
{
DecodedImage image;
if (filename.ToLowerInvariant().EndsWith(".img") && textureData.Length == 4)
{
image = ImageIO.DecodeCombinedImage(_fs, filename, textureData);
}
else
{
image = ImageIO.DecodeImage(textureData);
}
var texWidth = image.info.width;
var texHeight = image.info.height;
contentRectOut = new Rectangle(0, 0, image.info.width, image.info.height);
sizeOut = new Size(texWidth, texHeight);
// Load the D3D11 one
var textureDesc = new Texture2DDescription();
textureDesc.Format = Format.B8G8R8A8_UNorm;
textureDesc.Width = texWidth;
textureDesc.Height = texHeight;
textureDesc.ArraySize = 1;
textureDesc.MipLevels = 1;
textureDesc.BindFlags = BindFlags.ShaderResource;
textureDesc.Usage = ResourceUsage.Immutable;
textureDesc.SampleDescription.Count = 1;
Texture2D texture;
var initialData = new DataBox();
unsafe
{
fixed(byte *imageDataPtr = image.data)
{
initialData.DataPointer = (IntPtr)imageDataPtr;
initialData.RowPitch = image.info.width * 4;
texture = new Texture2D(Device.Device, textureDesc, new[] { initialData });
}
}
if (Device.IsDebugDevice())
{
texture.DebugName = filename;
}
// Make a shader resource view for the texture since that's the only thing we're interested in here
var resourceViewDesc = new ShaderResourceViewDescription();
resourceViewDesc.Texture2D.MipLevels = 1;
resourceViewDesc.Dimension = ShaderResourceViewDimension.Texture2D;
mLoaded++;
mEstimatedUsage += (uint)(texWidth * texHeight * 4);
return(new ShaderResourceView(Device.Device, texture, resourceViewDesc));
}
catch (Exception e)
{
Logger.Error("Unable to load texture {0}: {1}", filename, e.Message);
contentRectOut = new Rectangle(0, 0, 0, 0);
sizeOut = new Size(0, 0);
return(null);
}
}