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using System; |
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using System.Collections.Generic; |
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|
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namespace Oni.Imaging |
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{ |
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internal static class DdsReader |
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{ |
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public static List<Surface> Read(string filePath, bool noMipMaps) |
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{ |
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var surfaces = new List<Surface>(); |
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|
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using (var reader = new BinaryReader(filePath)) |
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{ |
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var header = DdsHeader.Read(reader); |
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var format = header.GetSurfaceFormat(); |
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|
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for (int i = 0; i < header.MipmapCount; i++) |
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{ |
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int width = Math.Max(header.Width >> i, 1); |
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int height = Math.Max(header.Height >> i, 1); |
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|
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if (format == SurfaceFormat.DXT1) |
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{ |
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width = Math.Max(width, 4); |
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height = Math.Max(height, 4); |
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} |
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|
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var surface = new Surface(width, height, format); |
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reader.Read(surface.Data, 0, surface.Data.Length); |
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surfaces.Add(surface); |
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|
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if (noMipMaps) |
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break; |
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} |
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} |
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|
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return surfaces; |
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} |
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} |
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} |
