/// <summary>
/// Gets the aligned sizes of the specified texture information.
/// The alignment depends on the texture layout and format bytes per pixel.
/// </summary>
/// <param name="info">Texture information to calculate the aligned size from</param>
/// <param name="level">Mipmap level for texture views</param>
/// <returns>The aligned texture size</returns>
public static Size GetAlignedSize(TextureInfo info, int level = 0)
{
int width = Math.Max(1, info.Width >> level);
int height = Math.Max(1, info.Height >> level);
if (info.IsLinear)
{
return(SizeCalculator.GetLinearAlignedSize(
width,
height,
info.FormatInfo.BlockWidth,
info.FormatInfo.BlockHeight,
info.FormatInfo.BytesPerPixel));
}
else
{
int depth = Math.Max(1, info.GetDepth() >> level);
return(SizeCalculator.GetBlockLinearAlignedSize(
width,
height,
depth,
info.FormatInfo.BlockWidth,
info.FormatInfo.BlockHeight,
info.FormatInfo.BytesPerPixel,
info.GobBlocksInY,
info.GobBlocksInZ,
info.GobBlocksInTileX));
}
}
/// <summary>
/// Gets the aligned sizes for the given dimensions, using the specified texture information.
/// The alignment depends on the texture layout and format bytes per pixel.
/// </summary>
/// <param name="info">Texture information to calculate the aligned size from</param>
/// <param name="width">The width to be aligned</param>
/// <param name="height">The height to be aligned</param>
/// <param name="depth">The depth to be aligned</param>
/// <returns>The aligned texture size</returns>
private static Size GetAlignedSize(TextureInfo info, int width, int height, int depth)
{
if (info.IsLinear)
{
return(SizeCalculator.GetLinearAlignedSize(
width,
height,
info.FormatInfo.BlockWidth,
info.FormatInfo.BlockHeight,
info.FormatInfo.BytesPerPixel));
}
else
{
return(SizeCalculator.GetBlockLinearAlignedSize(
width,
height,
depth,
info.FormatInfo.BlockWidth,
info.FormatInfo.BlockHeight,
info.FormatInfo.BytesPerPixel,
info.GobBlocksInY,
info.GobBlocksInZ,
info.GobBlocksInTileX));
}
}