| 1 | using System; | 
 
 
 
 
 | 2 | using System.Collections.Generic; | 
 
 
 
 
 | 3 | using Oni.Imaging; | 
 
 
 
 
 | 4 |  | 
 
 
 
 
 | 5 | namespace Oni.Motoko | 
 
 
 
 
 | 6 | { | 
 
 
 
 
 | 7 | internal class Texture | 
 
 
 
 
 | 8 | { | 
 
 
 
 
 | 9 | public readonly List<Surface> Surfaces = new List<Surface>(); | 
 
 
 
 
 | 10 | public int Width; | 
 
 
 
 
 | 11 | public int Height; | 
 
 
 
 
 | 12 | public TextureFormat Format; | 
 
 
 
 
 | 13 | public TextureFlags Flags; | 
 
 
 
 
 | 14 | public string Name; | 
 
 
 
 
 | 15 | public Texture EnvMap; | 
 
 
 
 
 | 16 |  | 
 
 
 
 
 | 17 | public void GenerateMipMaps() | 
 
 
 
 
 | 18 | { | 
 
 
 
 
 | 19 | if ((Flags & TextureFlags.HasMipMaps) != 0) | 
 
 
 
 
 | 20 | return; | 
 
 
 
 
 | 21 |  | 
 
 
 
 
 | 22 | var surface = Surfaces[0]; | 
 
 
 
 
 | 23 |  | 
 
 
 
 
 | 24 | Surfaces.Clear(); | 
 
 
 
 
 | 25 | Surfaces.Add(surface); | 
 
 
 
 
 | 26 |  | 
 
 
 
 
 | 27 | if (surface.Format == SurfaceFormat.DXT1) | 
 
 
 
 
 | 28 | surface = surface.Convert(SurfaceFormat.BGRX5551); | 
 
 
 
 
 | 29 |  | 
 
 
 
 
 | 30 | int width = surface.Width; | 
 
 
 
 
 | 31 | int height = surface.Height; | 
 
 
 
 
 | 32 | var surfaceFormat = Format.ToSurfaceFormat(); | 
 
 
 
 
 | 33 |  | 
 
 
 
 
 | 34 | while (width > 1 || height > 1) | 
 
 
 
 
 | 35 | { | 
 
 
 
 
 | 36 | width = Math.Max(width >> 1, 1); | 
 
 
 
 
 | 37 | height = Math.Max(height >> 1, 1); | 
 
 
 
 
 | 38 |  | 
 
 
 
 
 | 39 | surface = surface.Resize(width, height); | 
 
 
 
 
 | 40 |  | 
 
 
 
 
 | 41 | Surfaces.Add(surface); | 
 
 
 
 
 | 42 | } | 
 
 
 
 
 | 43 |  | 
 
 
 
 
 | 44 | if (surface.Format != surfaceFormat) | 
 
 
 
 
 | 45 | { | 
 
 
 
 
 | 46 | for (int i = 1; i < Surfaces.Count; i++) | 
 
 
 
 
 | 47 | Surfaces[i] = Surfaces[i].Convert(surfaceFormat); | 
 
 
 
 
 | 48 | } | 
 
 
 
 
 | 49 |  | 
 
 
 
 
 | 50 | Flags |= TextureFlags.HasMipMaps; | 
 
 
 
 
 | 51 | } | 
 
 
 
 
 | 52 |  | 
 
 
 
 
 | 53 | public bool HasAlpha => Surfaces[0].HasAlpha; | 
 
 
 
 
 | 54 |  | 
 
 
 
 
 | 55 | public bool WrapU => (Flags & TextureFlags.NoUWrap) == 0; | 
 
 
 
 
 | 56 | public bool WrapV => (Flags & TextureFlags.NoVWrap) == 0; | 
 
 
 
 
 | 57 | } | 
 
 
 
 
 | 58 | } |