public TextureArray2D(ImageLoader.Image image)
{
Size = image.GetSize(0);
Debug.Assert(Size.Depth == 1);
NumMipmaps = image.NumMipmaps;
NumLayers = image.NumLayers;
Format = image.Format.DxgiFormat;
var data = new DataRectangle[NumLayers * NumMipmaps];
for (int curLayer = 0; curLayer < NumLayers; ++curLayer)
{
for (int curMipmap = 0; curMipmap < NumMipmaps; ++curMipmap)
{
var mip = image.Layers[curLayer].Mipmaps[curMipmap];
var idx = GetSubresourceIndex(curLayer, curMipmap);
data[idx].DataPointer = mip.Bytes;
// The distance (in bytes) from the beginning of one line of a texture to the next line.
data[idx].Pitch = (int)(mip.Size / mip.Height);
}
}
handle = new Texture2D(Device.Get().Handle, CreateTextureDescription(false), data);
CreateTextureViews(false);
}
public ImageData(ImageLoader.Image image)
{
this.TextureArray = new TextureArray2D(image);
NumMipmaps = image.NumMipmaps;
NumLayers = image.NumLayers;
IsGrayscale = image.IsGrayscale();
HasAlpha = image.HasAlpha();
IsHdr = image.IsHdr();
Filename = image.Filename;
FormatName = image.Format.ToString();
}
/// <summary>
/// create texture form an existing image
/// </summary>
/// <param name="image"></param>
public TextureArray2D(ImageLoader.Image image)
{
id = GL.GenTexture();
this.nMipmaps = image.NumMipmaps;
this.nLayer = image.Layers.Count;
this.internalFormat = image.Format.InternalFormat;
this.IsSrgb = image.Format.IsSrgb;
this.width = image.GetWidth(0);
this.height = image.GetHeight(0);
GL.BindTexture(TextureTarget.Texture2DArray, id);
// create storage
GL.TexStorage3D(TextureTarget3d.Texture2DArray, image.NumMipmaps,
internalFormat, image.GetWidth(0),
image.GetHeight(0), image.Layers.Count);
if (image.Format.IsCompressed)
{
for (int face = 0; face < image.Layers.Count; ++face)
{
for (int level = 0; level < image.NumMipmaps; ++level)
{
GL.CompressedTexSubImage3D(TextureTarget.Texture2DArray, level,
0, 0, face, image.GetWidth(level), image.GetHeight(level),
1, image.Format.Format,
(int)image.Layers[face].Mipmaps[level].Size,
image.Layers[face].Mipmaps[level].Bytes);
}
}
}
else
{
for (int face = 0; face < image.Layers.Count; ++face)
{
for (int level = 0; level < image.NumMipmaps; ++level)
{
GL.TexSubImage3D(TextureTarget.Texture2DArray, level,
0, 0, face, image.GetWidth(level), image.GetHeight(level),
1, image.Format.Format, image.Format.Type, image.Layers[face].Mipmaps[level].Bytes);
}
}
}
CreateTexture2DViews();
}
public Texture3D(ImageLoader.Image image, int layer = 0)
{
Size = image.GetSize(0);
LayerMipmap = image.LayerMipmap;
Format = image.Format.DxgiFormat;
var data = new DataBox[LayerMipmap.Mipmaps];
for (int curMipmap = 0; curMipmap < LayerMipmap.Mipmaps; ++curMipmap)
{
var mip = image.Layers[layer].Mipmaps[curMipmap];
var idx = curMipmap;
data[idx].DataPointer = mip.Bytes;
data[idx].SlicePitch = (int)(mip.Size / mip.Depth);
data[idx].RowPitch = data[idx].SlicePitch / mip.Height;
}
handle = new SharpDX.Direct3D11.Texture3D(Device.Get().Handle, CreateTextureDescription(false, true), data);
CreateTextureViews(false, true);
}
public TextureArray2D(ImageLoader.Image image)
{
Size = image.GetSize(0);
Debug.Assert(Size.Depth == 1);
LayerMipmap = image.LayerMipmap;
Format = image.Format.DxgiFormat;
var data = new DataRectangle[LayerMipmap.Layers * LayerMipmap.Mipmaps];
foreach (var lm in LayerMipmap.Range)
{
var mip = image.Layers[lm.Layer].Mipmaps[lm.Mipmap];
var idx = GetSubresourceIndex(lm);
data[idx].DataPointer = mip.Bytes;
// The distance (in bytes) from the beginning of one line of a texture to the next line.
data[idx].Pitch = (int)(mip.Size / mip.Height);
}
handle = new Texture2D(Device.Get().Handle, CreateTextureDescription(false), data);
CreateTextureViews(false);
}
