/// <summary>
/// Initializes a new instance of the <see cref="TexImage"/> class.
/// </summary>
/// <param name="data">The data.</param>
/// <param name="dataSize">Size of the data.</param>
/// <param name="width">The width.</param>
/// <param name="height">The height.</param>
/// <param name="depth">The depth.</param>
/// <param name="format">The format.</param>
/// <param name="mipmapCount">The mipmap count.</param>
/// <param name="arraySize">Size of the array.</param>
/// <param name="dimension">The dimension.</param>
/// <param name="faceCount">The face count (multiple of 6 if Texture Cube, 1 otherwise).</param>
/// <param name="alphaDepth">The depth of the alpha channel</param>
public TexImage(IntPtr data, int dataSize, int width, int height, int depth, PixelFormat format, int mipmapCount, int arraySize, TextureDimension dimension, int faceCount = 1, int alphaDepth = -1)
{
Data = data;
DataSize = dataSize;
Width = width;
Height = height;
Depth = depth;
Format = format;
MipmapCount = mipmapCount;
ArraySize = arraySize;
Dimension = dimension;
FaceCount = faceCount;
OriginalAlphaDepth = alphaDepth;
Name = "";
int imageCount;
if (Dimension == TextureDimension.Texture3D)
{
int subImagePerArrayElementCount = 0;
int curDepth = Depth;
for (int i = 0; i < MipmapCount; ++i)
{
subImagePerArrayElementCount += curDepth;
curDepth = curDepth > 1 ? curDepth >>= 1 : curDepth;
}
imageCount = (int)(ArraySize * FaceCount * subImagePerArrayElementCount);
}
else
{
imageCount = (int)(ArraySize * FaceCount * MipmapCount);
}
SubImageArray = new SubImage[imageCount];
int ct = 0;
int rowPitch, slicePitch, curHeight, curWidth;
Tools.ComputePitch(Format, Width, Height, out rowPitch, out slicePitch);
RowPitch = rowPitch;
SlicePitch = slicePitch;
for (uint i = 0; i < FaceCount; ++i)
{
for (uint j = 0; j < ArraySize; ++j)
{
depth = Depth;
for (uint k = 0; k < MipmapCount; ++k)
{
curWidth = Width;
curHeight = Height;
Tools.ComputePitch(Format, curWidth, curHeight, out rowPitch, out slicePitch);
for (int l = 0; l < depth; ++l)
{
SubImageArray[ct] = new TexImage.SubImage();
SubImageArray[ct].Width = curWidth;
SubImageArray[ct].Height = curHeight;
SubImageArray[ct].RowPitch = rowPitch;
SubImageArray[ct].SlicePitch = slicePitch;
SubImageArray[ct].DataSize = slicePitch;
SubImageArray[ct].Data = new IntPtr(Data.ToInt64() + l * slicePitch);
++ct;
}
depth = depth > 1 ? depth >>= 1 : depth;
}
}
}
LibraryData = new Dictionary<ITexLibrary, ITextureLibraryData>();
Disposed = false;
}
/// <summary>
/// Initializes a new instance of the <see cref="TexImage"/> class.
/// </summary>
/// <param name="data">The data.</param>
/// <param name="dataSize">Size of the data.</param>
/// <param name="width">The width.</param>
/// <param name="height">The height.</param>
/// <param name="depth">The depth.</param>
/// <param name="format">The format.</param>
/// <param name="mipmapCount">The mipmap count.</param>
/// <param name="arraySize">Size of the array.</param>
/// <param name="dimension">The dimension.</param>
/// <param name="faceCount">The face count (multiple of 6 if Texture Cube, 1 otherwise).</param>
/// <param name="alphaDepth">The depth of the alpha channel</param>
public TexImage(IntPtr data, int dataSize, int width, int height, int depth, PixelFormat format, int mipmapCount, int arraySize, TextureDimension dimension, int faceCount = 1, int alphaDepth = -1)
{
Data = data;
DataSize = dataSize;
Width = width;
Height = height;
Depth = depth;
Format = format;
MipmapCount = mipmapCount;
ArraySize = arraySize;
Dimension = dimension;
FaceCount = faceCount;
OriginalAlphaDepth = alphaDepth;
Name = "";
int imageCount;
if (Dimension == TextureDimension.Texture3D)
{
int subImagePerArrayElementCount = 0;
int curDepth = Depth;
for (int i = 0; i < MipmapCount; ++i)
{
subImagePerArrayElementCount += curDepth;
curDepth = curDepth > 1 ? curDepth >>= 1 : curDepth;
}
imageCount = (int)(ArraySize * FaceCount * subImagePerArrayElementCount);
}
else
{
imageCount = (int)(ArraySize * FaceCount * MipmapCount);
}
SubImageArray = new SubImage[imageCount];
int ct = 0;
int rowPitch, slicePitch, curHeight, curWidth;
Tools.ComputePitch(Format, Width, Height, out rowPitch, out slicePitch);
RowPitch = rowPitch;
SlicePitch = slicePitch;
for (uint i = 0; i < FaceCount; ++i)
{
for (uint j = 0; j < ArraySize; ++j)
{
depth = Depth;
for (uint k = 0; k < MipmapCount; ++k)
{
curWidth = Width;
curHeight = Height;
Tools.ComputePitch(Format, curWidth, curHeight, out rowPitch, out slicePitch);
for (int l = 0; l < depth; ++l)
{
SubImageArray[ct] = new TexImage.SubImage();
SubImageArray[ct].Width = curWidth;
SubImageArray[ct].Height = curHeight;
SubImageArray[ct].RowPitch = rowPitch;
SubImageArray[ct].SlicePitch = slicePitch;
SubImageArray[ct].DataSize = slicePitch;
SubImageArray[ct].Data = new IntPtr(Data.ToInt64() + l * slicePitch);
++ct;
}
depth = depth > 1 ? depth >>= 1 : depth;
}
}
}
LibraryData = new Dictionary <ITexLibrary, ITextureLibraryData>();
Disposed = false;
}
