public void LoadCompressedMips(TextureTarget textureTarget, STGenericTexture.Surface ImageData, int mipwidth, int mipheight, int MipLevel = 0)
{
GL.CompressedTexImage2D <byte>(textureTarget, MipLevel, (InternalFormat)pixelInternalFormat,
mipwidth, mipheight, 0, getImageSize(this), ImageData.mipmaps[MipLevel]);
// GL.GenerateMipmap((GenerateMipmapTarget)textureTarget);
}
public void LoadUncompressedMips(TextureTarget textureTarget, STGenericTexture.Surface ImageData, int mipwidth, int mipheight, int MipLevel = 0)
{
GL.TexImage2D <byte>(textureTarget, MipLevel, pixelInternalFormat, mipwidth, mipheight, 0,
pixelFormat, PixelType.UnsignedByte, ImageData.mipmaps[MipLevel]);
// GL.GenerateMipmap((GenerateMipmapTarget)textureTarget);
}
public static List <STGenericTexture.Surface> GetArrayFaces(DDS dds, uint Length, int DepthLevel = 0)
{
int Dx10Size = dds.IsDX10 ? 20 : 0;
using (FileReader reader = new FileReader(dds.FileInfo.FilePath)) {
reader.TemporarySeek((int)(dds.MainHeader.Size + Dx10Size), SeekOrigin.Begin);
var format = dds.Platform.OutputFormat;
var Surfaces = new List <STGenericTexture.Surface>();
uint formatSize = TextureFormatHelper.GetBytesPerPixel(format);
bool isBlock = TextureFormatHelper.IsBCNCompressed(format);
uint Offset = 0;
if (dds.Depth > 1 && dds.MipCount > 1)
{
var Surface = new STGenericTexture.Surface();
uint MipWidth = dds.Width, MipHeight = dds.Height;
for (int j = 0; j < dds.MipCount; ++j)
{
MipWidth = (uint)Math.Max(1, dds.Width >> j);
MipHeight = (uint)Math.Max(1, dds.Height >> j);
for (byte d = 0; d < dds.Depth; ++d)
{
uint size = (MipWidth * MipHeight); //Total pixels
if (isBlock)
{
size = ((MipWidth + 3) >> 2) * ((MipHeight + 3) >> 2) * formatSize;
if (size < formatSize)
{
size = formatSize;
}
}
else
{
size = (uint)(size * (TextureFormatHelper.GetBytesPerPixel(format))); //Bytes per pixel
}
//Only add mips to the depth level needed
if (d == DepthLevel)
{
Surface.mipmaps.Add(reader.getSection((int)Offset, (int)size));
}
Offset += size;
//Add the current depth level and only once
if (d == DepthLevel && j == 0)
{
Surfaces.Add(Surface);
}
}
}
}
else
{
for (byte d = 0; d < dds.Depth; ++d)
{
for (byte i = 0; i < Length; ++i)
{
var Surface = new STGenericTexture.Surface();
uint MipWidth = dds.Width, MipHeight = dds.Height;
for (int j = 0; j < dds.MipCount; ++j)
{
MipWidth = (uint)Math.Max(1, dds.Width >> j);
MipHeight = (uint)Math.Max(1, dds.Height >> j);
uint size = (MipWidth * MipHeight); //Total pixels
if (isBlock)
{
size = ((MipWidth + 3) >> 2) * ((MipHeight + 3) >> 2) * formatSize;
if (size < formatSize)
{
size = formatSize;
}
}
else
{
size = (uint)(size * (TextureFormatHelper.GetBytesPerPixel(format))); //Bytes per pixel
}
Surface.mipmaps.Add(reader.getSection((int)Offset, (int)size));
Offset += size;
}
if (d == DepthLevel)
{
Surfaces.Add(Surface);
}
}
}
}
return(Surfaces);
}
}
