mirror of
https://github.com/aelurum/AssetStudio.git
synced 2025-05-27 22:00:23 -04:00
662 lines
27 KiB
C#
662 lines
27 KiB
C#
using System;
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using System.Collections.Generic;
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using System.Linq;
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using System.Text;
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namespace Unity_Studio
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{
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class Texture2D
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{
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public string m_Name;
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public int m_Width;
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public int m_Height;
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public int m_CompleteImageSize;
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public int m_TextureFormat;
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public bool m_MipMap = false;
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public bool m_IsReadable;
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public bool m_ReadAllowed;
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public int m_ImageCount;
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public int m_TextureDimension;
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//m_TextureSettings
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public int m_FilterMode;
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public int m_Aniso;
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public float m_MipBias;
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public int m_WrapMode;
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public int m_LightmapFormat;
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public int m_ColorSpace;
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public byte[] image_data;
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//DDS Start
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public byte[] dwMagic = { 0x44, 0x44, 0x53, 0x20, 0x7c };
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public int dwFlags = 0x1 + 0x2 + 0x4 + 0x1000;
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//public int dwHeight; m_Height
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//public int dwWidth; m_Width
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public int dwPitchOrLinearSize = 0x0;
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public int dwMipMapCount = 0x1;
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public int dwSize = 0x20;
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public int dwFlags2;
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public int dwFourCC = 0x0;
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public int dwRGBBitCount;
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public int dwRBitMask;
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public int dwGBitMask;
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public int dwBBitMask;
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public int dwABitMask;
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public int dwCaps = 0x1000;
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public int dwCaps2 = 0x0;
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//DDS End
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//PVR Start
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public int pvrVersion = 0x03525650;
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public int pvrFlags = 0x0;
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public long pvrPixelFormat;
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public int pvrColourSpace = 0x0;
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public int pvrChannelType = 0x0;
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//public int pvrHeight; m_Height
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//public int pvrWidth; m_Width
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public int pvrDepth = 0x1;
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public int pvrNumSurfaces = 0x1; //For texture arrays
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public int pvrNumFaces = 0x1; //For cube maps
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//public int pvrMIPMapCount; dwMipMapCount
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public int pvrMetaDataSize = 0x0;
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//PVR End
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//KTX Start
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public int glType = 0;
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public int glTypeSize = 1;
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public int glFormat = 0;
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public int glInternalFormat;
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public int glBaseInternalFormat;
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//public int pixelWidth; m_Width
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//public int pixelHeight; m_Height
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public int pixelDepth = 0;
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public int numberOfArrayElements = 0;
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public int numberOfFaces = 1;
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public int numberOfMipmapLevels = 1;
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public int bytesOfKeyValueData = 0;
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//KTX End
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//ASTC Start
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public byte[] astc_magicnum = { 0x13, 0xab, 0xa1, 0x5c };
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public byte astc_x;
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public byte astc_y;
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public byte astc_z = 1;
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public byte[] astc_width = new byte[3];
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public byte[] astc_height = new byte[3];
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public byte[] astc_length = new byte[3] { 1, 0, 0 };//I don't know what this is.
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//ASTC END
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//Texture data
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public int image_data_size;
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public Texture2D(AssetPreloadData preloadData, bool readSwitch)
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{
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var sourceFile = preloadData.sourceFile;
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var a_Stream = preloadData.sourceFile.a_Stream;
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a_Stream.Position = preloadData.Offset;
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if (sourceFile.platform == -2)
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{
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uint m_ObjectHideFlags = a_Stream.ReadUInt32();
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PPtr m_PrefabParentObject = sourceFile.ReadPPtr();
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PPtr m_PrefabInternal = sourceFile.ReadPPtr();
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}
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m_Name = a_Stream.ReadAlignedString(a_Stream.ReadInt32());
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m_Width = a_Stream.ReadInt32();
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m_Height = a_Stream.ReadInt32();
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m_CompleteImageSize = a_Stream.ReadInt32();
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m_TextureFormat = a_Stream.ReadInt32();
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if (sourceFile.version[0] < 5 || (sourceFile.version[0] == 5 && sourceFile.version[1] < 2))
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{ m_MipMap = a_Stream.ReadBoolean(); }
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else
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{
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dwFlags += 0x20000;
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dwMipMapCount = a_Stream.ReadInt32();//is this with or without main image?
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dwCaps += 0x400008;
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}
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m_IsReadable = a_Stream.ReadBoolean(); //2.6.0 and up
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m_ReadAllowed = a_Stream.ReadBoolean(); //3.0.0 and up
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a_Stream.AlignStream(4);
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m_ImageCount = a_Stream.ReadInt32();
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m_TextureDimension = a_Stream.ReadInt32();
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//m_TextureSettings
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m_FilterMode = a_Stream.ReadInt32();
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m_Aniso = a_Stream.ReadInt32();
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m_MipBias = a_Stream.ReadSingle();
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m_WrapMode = a_Stream.ReadInt32();
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if (sourceFile.version[0] >= 3)
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{
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m_LightmapFormat = a_Stream.ReadInt32();
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if (sourceFile.version[0] >= 4 || sourceFile.version[1] >= 5) { m_ColorSpace = a_Stream.ReadInt32(); } //3.5.0 and up
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}
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image_data_size = a_Stream.ReadInt32();
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if (m_MipMap)
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{
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dwFlags += 0x20000;
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dwMipMapCount = Convert.ToInt32(Math.Log(Math.Max(m_Width, m_Height)) / Math.Log(2));
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dwCaps += 0x400008;
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}
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if (readSwitch)
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{
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image_data = new byte[image_data_size];
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a_Stream.Read(image_data, 0, image_data_size);
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switch ((TextureFormat)m_TextureFormat)
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{
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case TextureFormat.Alpha8: //test pass
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{
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/*dwFlags2 = 0x2;
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dwRGBBitCount = 0x8;
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dwRBitMask = 0x0;
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dwGBitMask = 0x0;
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dwBBitMask = 0x0;
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dwABitMask = 0x0; *///透明通道丢失?
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//转ARGB32
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var bytes = Enumerable.Repeat<byte>(0xFF, image_data_size * 4).ToArray();
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for (int i = 0; i < image_data_size; i++)
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{
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bytes[i * 4] = image_data[i];
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}
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image_data = bytes;
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image_data_size = image_data_size * 4;
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bytes = null;
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dwFlags2 = 0x41;
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dwRGBBitCount = 0x20;
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dwRBitMask = 0xFF00;
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dwGBitMask = 0xFF0000;
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dwBBitMask = -16777216;
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dwABitMask = 0xFF;
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break;
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}
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case TextureFormat.ARGB4444: //test pass
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{
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if (sourceFile.platform == 11) //swap bytes for Xbox confirmed, PS3 not encountered
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{
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for (int i = 0; i < (image_data_size / 2); i++)
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{
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byte b0 = image_data[i * 2];
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image_data[i * 2] = image_data[i * 2 + 1];
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image_data[i * 2 + 1] = b0;
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}
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}
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dwFlags2 = 0x41;
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dwRGBBitCount = 0x10;
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dwRBitMask = 0xF00;
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dwGBitMask = 0xF0;
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dwBBitMask = 0xF;
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dwABitMask = 0xF000;
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break;
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}
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case TextureFormat.RGB24: //test pass
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{
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dwFlags2 = 0x40;
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dwRGBBitCount = 0x18;
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dwRBitMask = 0xFF;
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dwGBitMask = 0xFF00;
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dwBBitMask = 0xFF0000;
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dwABitMask = 0x0;
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break;
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}
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case TextureFormat.RGBA32: //test pass
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{
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dwFlags2 = 0x41;
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dwRGBBitCount = 0x20;
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dwRBitMask = 0xFF;
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dwGBitMask = 0xFF00;
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dwBBitMask = 0xFF0000;
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dwABitMask = -16777216;
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break;
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}
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case TextureFormat.ARGB32://test pass
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{
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dwFlags2 = 0x41;
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dwRGBBitCount = 0x20;
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dwRBitMask = 0xFF00;
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dwGBitMask = 0xFF0000;
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dwBBitMask = -16777216;
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dwABitMask = 0xFF;
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break;
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}
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case TextureFormat.RGB565: //test pass
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{
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if (sourceFile.platform == 11)
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{
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for (int i = 0; i < (image_data_size / 2); i++)
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{
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byte b0 = image_data[i * 2];
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image_data[i * 2] = image_data[i * 2 + 1];
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image_data[i * 2 + 1] = b0;
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}
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}
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dwFlags2 = 0x40;
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dwRGBBitCount = 0x10;
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dwRBitMask = 0xF800;
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dwGBitMask = 0x7E0;
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dwBBitMask = 0x1F;
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dwABitMask = 0x0;
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break;
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}
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case TextureFormat.R16:
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break;
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case TextureFormat.DXT1: //DXT1
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{
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if (sourceFile.platform == 11) //X360 only, PS3 not
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{
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for (int i = 0; i < (image_data_size / 2); i++)
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{
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byte b0 = image_data[i * 2];
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image_data[i * 2] = image_data[i * 2 + 1];
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image_data[i * 2 + 1] = b0;
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}
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}
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if (m_MipMap) { dwPitchOrLinearSize = m_Height * m_Width / 2; }
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dwFlags2 = 0x4;
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dwFourCC = 0x31545844;
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dwRGBBitCount = 0x0;
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dwRBitMask = 0x0;
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dwGBitMask = 0x0;
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dwBBitMask = 0x0;
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dwABitMask = 0x0;
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break;
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}
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case TextureFormat.DXT5: //DXT5
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{
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if (sourceFile.platform == 11) //X360, PS3 not
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{
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for (int i = 0; i < (image_data_size / 2); i++)
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{
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byte b0 = image_data[i * 2];
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image_data[i * 2] = image_data[i * 2 + 1];
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image_data[i * 2 + 1] = b0;
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}
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}
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if (m_MipMap) { dwPitchOrLinearSize = m_Height * m_Width / 2; }
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dwFlags2 = 0x4;
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dwFourCC = 0x35545844;
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dwRGBBitCount = 0x0;
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dwRBitMask = 0x0;
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dwGBitMask = 0x0;
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dwBBitMask = 0x0;
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dwABitMask = 0x0;
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break;
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}
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case TextureFormat.RGBA4444: //test pass
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{
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dwFlags2 = 0x41;
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dwRGBBitCount = 0x10;
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dwRBitMask = 0xF000;
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dwGBitMask = 0xF00;
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dwBBitMask = 0xF0;
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dwABitMask = 0xF;
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break;
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}
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case TextureFormat.BGRA32: //test pass
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{
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dwFlags2 = 0x41;
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dwRGBBitCount = 0x20;
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dwRBitMask = 0xFF0000;
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dwGBitMask = 0xFF00;
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dwBBitMask = 0xFF;
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dwABitMask = -16777216;
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break;
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}
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case TextureFormat.RHalf:
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case TextureFormat.RGHalf:
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case TextureFormat.RGBAHalf:
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case TextureFormat.RFloat:
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case TextureFormat.RGFloat:
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case TextureFormat.RGBAFloat:
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break;
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case TextureFormat.YUY2:
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{
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pvrPixelFormat = 0x11;
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break;
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}
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case TextureFormat.DXT1Crunched: //DXT1 Crunched
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case TextureFormat.DXT5Crunched: //DXT1 Crunched
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break;
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case TextureFormat.PVRTC_RGB2: //test pass
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{
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pvrPixelFormat = 0x0;
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glInternalFormat = KTXHeader.GL_COMPRESSED_RGB_PVRTC_2BPPV1_IMG;
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glBaseInternalFormat = KTXHeader.GL_RGB;
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break;
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}
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case TextureFormat.PVRTC_RGBA2: //test pass
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{
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pvrPixelFormat = 0x1;
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glInternalFormat = KTXHeader.GL_COMPRESSED_RGBA_PVRTC_2BPPV1_IMG;
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glBaseInternalFormat = KTXHeader.GL_RGBA;
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break;
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}
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case TextureFormat.PVRTC_RGB4: //test pass
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{
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pvrPixelFormat = 0x2;
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glInternalFormat = KTXHeader.GL_COMPRESSED_RGB_PVRTC_4BPPV1_IMG;
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glBaseInternalFormat = KTXHeader.GL_RGB;
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break;
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}
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case TextureFormat.PVRTC_RGBA4: //test pass
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{
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pvrPixelFormat = 0x3;
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glInternalFormat = KTXHeader.GL_COMPRESSED_RGBA_PVRTC_4BPPV1_IMG;
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glBaseInternalFormat = KTXHeader.GL_RGBA;
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break;
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}
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case TextureFormat.ETC_RGB4: //test pass
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{
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pvrPixelFormat = 0x16;
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glInternalFormat = KTXHeader.GL_ETC1_RGB8_OES;
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glBaseInternalFormat = KTXHeader.GL_RGB;
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break;
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}
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case TextureFormat.ATC_RGB4: //can use QCompress to convert
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{
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glInternalFormat = KTXHeader.GL_ATC_RGB_AMD;
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glBaseInternalFormat = KTXHeader.GL_RGB;
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break;
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}
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case TextureFormat.ATC_RGBA8: //can use QCompress to convert
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{
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glInternalFormat = KTXHeader.GL_ATC_RGBA_EXPLICIT_ALPHA_AMD;
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glBaseInternalFormat = KTXHeader.GL_RGBA;
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break;
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}
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case TextureFormat.EAC_R:
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{
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pvrPixelFormat = 25;
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glInternalFormat = KTXHeader.GL_COMPRESSED_R11_EAC;
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glBaseInternalFormat = KTXHeader.GL_RED;
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break;
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}
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case TextureFormat.EAC_R_SIGNED:
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{
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pvrPixelFormat = 25;
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glInternalFormat = KTXHeader.GL_COMPRESSED_SIGNED_R11_EAC;
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glBaseInternalFormat = KTXHeader.GL_RED;
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break;
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}
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case TextureFormat.EAC_RG:
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{
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pvrPixelFormat = 26;
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glInternalFormat = KTXHeader.GL_COMPRESSED_RG11_EAC;
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glBaseInternalFormat = KTXHeader.GL_RG;
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break;
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}
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case TextureFormat.EAC_RG_SIGNED:
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{
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pvrPixelFormat = 26;
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glInternalFormat = KTXHeader.GL_COMPRESSED_SIGNED_RG11_EAC;
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glBaseInternalFormat = KTXHeader.GL_RG;
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break;
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}
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case TextureFormat.ETC2_RGB: //test pass
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{
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pvrPixelFormat = 22;
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glInternalFormat = KTXHeader.GL_COMPRESSED_RGB8_ETC2;
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glBaseInternalFormat = KTXHeader.GL_RGB;
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break;
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}
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case TextureFormat.ETC2_RGBA1: //test pass
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{
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pvrPixelFormat = 24;
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glInternalFormat = KTXHeader.GL_COMPRESSED_RGB8_PUNCHTHROUGH_ALPHA1_ETC2;
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glBaseInternalFormat = KTXHeader.GL_RGBA;
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break;
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}
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case TextureFormat.ETC2_RGBA8: //test pass
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{
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pvrPixelFormat = 23;
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glInternalFormat = KTXHeader.GL_COMPRESSED_RGBA8_ETC2_EAC;
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glBaseInternalFormat = KTXHeader.GL_RGBA;
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break;
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}
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case TextureFormat.ASTC_RGB_4x4: //test pass
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case TextureFormat.ASTC_RGBA_4x4: //test pass
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{
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astc_x = 4;
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astc_y = 4;
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break;
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}
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case TextureFormat.ASTC_RGB_5x5: //test pass
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case TextureFormat.ASTC_RGBA_5x5: //test pass
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{
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astc_x = 5;
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astc_y = 5;
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break;
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}
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case TextureFormat.ASTC_RGB_6x6: //test pass
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case TextureFormat.ASTC_RGBA_6x6: //test pass
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{
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astc_x = 6;
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astc_y = 6;
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break;
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}
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case TextureFormat.ASTC_RGB_8x8: //test pass
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case TextureFormat.ASTC_RGBA_8x8: //test pass
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{
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astc_x = 8;
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astc_y = 8;
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break;
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}
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case TextureFormat.ASTC_RGB_10x10: //test pass
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case TextureFormat.ASTC_RGBA_10x10: //test pass
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{
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astc_x = 10;
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astc_y = 10;
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break;
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}
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case TextureFormat.ASTC_RGB_12x12: //test pass
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case TextureFormat.ASTC_RGBA_12x12: //test pass
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{
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astc_x = 12;
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astc_y = 12;
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break;
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}
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case TextureFormat.ETC_RGB4_3DS:
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case TextureFormat.ETC_RGBA8_3DS:
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break;
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}
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}
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else
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{
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preloadData.InfoText = "Width: " + m_Width.ToString() + "\nHeight: " + m_Height.ToString() + "\nFormat: ";
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preloadData.exportSize = image_data_size;
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string type = ((TextureFormat)m_TextureFormat).ToString();
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preloadData.InfoText += type;
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switch ((TextureFormat)m_TextureFormat)
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{
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case TextureFormat.Alpha8:
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case TextureFormat.ARGB4444:
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case TextureFormat.RGB24:
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case TextureFormat.RGBA32:
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case TextureFormat.ARGB32:
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case TextureFormat.RGB565:
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case TextureFormat.DXT1:
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case TextureFormat.DXT5:
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case TextureFormat.RGBA4444:
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case TextureFormat.BGRA32:
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preloadData.extension = ".dds"; preloadData.exportSize += 128; break;
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case TextureFormat.DXT1Crunched:
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case TextureFormat.DXT5Crunched:
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preloadData.extension = ".crn"; break;
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case TextureFormat.YUY2:
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case TextureFormat.PVRTC_RGB2:
|
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case TextureFormat.PVRTC_RGBA2:
|
|
case TextureFormat.PVRTC_RGB4:
|
|
case TextureFormat.PVRTC_RGBA4:
|
|
case TextureFormat.ETC_RGB4:
|
|
case TextureFormat.ETC2_RGB:
|
|
case TextureFormat.ETC2_RGBA1:
|
|
case TextureFormat.ETC2_RGBA8:
|
|
case TextureFormat.EAC_R:
|
|
case TextureFormat.EAC_R_SIGNED:
|
|
case TextureFormat.EAC_RG:
|
|
case TextureFormat.EAC_RG_SIGNED:
|
|
preloadData.extension = ".pvr"; preloadData.exportSize += 52; break;
|
|
//case TextureFormat.PVRTC_RGB2:
|
|
//case TextureFormat.PVRTC_RGBA2:
|
|
//case TextureFormat.PVRTC_RGB4:
|
|
//case TextureFormat.PVRTC_RGBA4:
|
|
case TextureFormat.ATC_RGB4:
|
|
case TextureFormat.ATC_RGBA8:
|
|
//case TextureFormat.ETC_RGB4:
|
|
//case TextureFormat.ETC2_RGB:
|
|
//case TextureFormat.ETC2_RGBA1:
|
|
//case TextureFormat.ETC2_RGBA8:
|
|
//case TextureFormat.EAC_R:
|
|
//case TextureFormat.EAC_R_SIGNED:
|
|
//case TextureFormat.EAC_RG:
|
|
//case TextureFormat.EAC_RG_SIGNED:
|
|
preloadData.extension = ".ktx"; preloadData.exportSize += 68; break;
|
|
case TextureFormat.ASTC_RGB_4x4:
|
|
case TextureFormat.ASTC_RGB_5x5:
|
|
case TextureFormat.ASTC_RGB_6x6:
|
|
case TextureFormat.ASTC_RGB_8x8:
|
|
case TextureFormat.ASTC_RGB_10x10:
|
|
case TextureFormat.ASTC_RGB_12x12:
|
|
case TextureFormat.ASTC_RGBA_4x4:
|
|
case TextureFormat.ASTC_RGBA_5x5:
|
|
case TextureFormat.ASTC_RGBA_6x6:
|
|
case TextureFormat.ASTC_RGBA_8x8:
|
|
case TextureFormat.ASTC_RGBA_10x10:
|
|
case TextureFormat.ASTC_RGBA_12x12:
|
|
preloadData.extension = ".astc"; preloadData.exportSize += 10; break;
|
|
default:
|
|
preloadData.extension = "_" + type + ".tex"; break;
|
|
}
|
|
|
|
switch (m_FilterMode)
|
|
{
|
|
case 0: preloadData.InfoText += "\nFilter Mode: Point "; break;
|
|
case 1: preloadData.InfoText += "\nFilter Mode: Bilinear "; break;
|
|
case 2: preloadData.InfoText += "\nFilter Mode: Trilinear "; break;
|
|
|
|
}
|
|
|
|
preloadData.InfoText += "\nAnisotropic level: " + m_Aniso.ToString() + "\nMip map bias: " + m_MipBias.ToString();
|
|
|
|
switch (m_WrapMode)
|
|
{
|
|
case 0: preloadData.InfoText += "\nWrap mode: Repeat"; break;
|
|
case 1: preloadData.InfoText += "\nWrap mode: Clamp"; break;
|
|
}
|
|
|
|
if (m_Name != "") { preloadData.Text = m_Name; }
|
|
else { preloadData.Text = preloadData.TypeString + " #" + preloadData.uniqueID; }
|
|
preloadData.SubItems.AddRange(new string[] { preloadData.TypeString, preloadData.exportSize.ToString() });
|
|
}
|
|
}
|
|
}
|
|
|
|
|
|
public enum TextureFormat
|
|
{
|
|
Alpha8 = 1,
|
|
ARGB4444,
|
|
RGB24,
|
|
RGBA32,
|
|
ARGB32,
|
|
RGB565 = 7,
|
|
R16 = 9,
|
|
DXT1,
|
|
DXT5 = 12,
|
|
RGBA4444,
|
|
BGRA32,
|
|
RHalf,
|
|
RGHalf,
|
|
RGBAHalf,
|
|
RFloat,
|
|
RGFloat,
|
|
RGBAFloat,
|
|
YUY2,
|
|
DXT1Crunched = 28,
|
|
DXT5Crunched,
|
|
PVRTC_RGB2,
|
|
PVRTC_RGBA2,
|
|
PVRTC_RGB4,
|
|
PVRTC_RGBA4,
|
|
ETC_RGB4,
|
|
ATC_RGB4,
|
|
ATC_RGBA8,
|
|
EAC_R = 41,
|
|
EAC_R_SIGNED,
|
|
EAC_RG,
|
|
EAC_RG_SIGNED,
|
|
ETC2_RGB,
|
|
ETC2_RGBA1,
|
|
ETC2_RGBA8,
|
|
ASTC_RGB_4x4,
|
|
ASTC_RGB_5x5,
|
|
ASTC_RGB_6x6,
|
|
ASTC_RGB_8x8,
|
|
ASTC_RGB_10x10,
|
|
ASTC_RGB_12x12,
|
|
ASTC_RGBA_4x4,
|
|
ASTC_RGBA_5x5,
|
|
ASTC_RGBA_6x6,
|
|
ASTC_RGBA_8x8,
|
|
ASTC_RGBA_10x10,
|
|
ASTC_RGBA_12x12,
|
|
ETC_RGB4_3DS,
|
|
ETC_RGBA8_3DS
|
|
}
|
|
}
|
|
|
|
public class KTXHeader
|
|
{
|
|
public static byte[] IDENTIFIER = { 0xAB, 0x4B, 0x54, 0x58, 0x20, 0x31, 0x31, 0xBB, 0x0D, 0x0A, 0x1A, 0x0A };
|
|
public static byte[] ENDIANESS_LE = new byte[] { 1, 2, 3, 4 };
|
|
public static byte[] ENDIANESS_BE = new byte[] { 4, 3, 2, 1 };
|
|
|
|
// constants for glInternalFormat
|
|
public static int GL_ETC1_RGB8_OES = 0x8D64;
|
|
|
|
public static int GL_COMPRESSED_RGB_PVRTC_4BPPV1_IMG = 0x8C00;
|
|
public static int GL_COMPRESSED_RGB_PVRTC_2BPPV1_IMG = 0x8C01;
|
|
public static int GL_COMPRESSED_RGBA_PVRTC_4BPPV1_IMG = 0x8C02;
|
|
public static int GL_COMPRESSED_RGBA_PVRTC_2BPPV1_IMG = 0x8C03;
|
|
|
|
public static int GL_ATC_RGB_AMD = 0x8C92;
|
|
public static int GL_ATC_RGBA_EXPLICIT_ALPHA_AMD = 0x8C93;
|
|
public static int GL_ATC_RGBA_INTERPOLATED_ALPHA_AMD = 0x87EE;
|
|
|
|
public static int GL_COMPRESSED_RGB8_ETC2 = 0x9274;
|
|
public static int GL_COMPRESSED_SRGB8_ETC2 = 0x9275;
|
|
public static int GL_COMPRESSED_RGB8_PUNCHTHROUGH_ALPHA1_ETC2 = 0x9276;
|
|
public static int GL_COMPRESSED_SRGB8_PUNCHTHROUGH_ALPHA1_ETC2 = 0x9277;
|
|
public static int GL_COMPRESSED_RGBA8_ETC2_EAC = 0x9278;
|
|
public static int GL_COMPRESSED_SRGB8_ALPHA8_ETC2_EAC = 0x9279;
|
|
public static int GL_COMPRESSED_R11_EAC = 0x9270;
|
|
public static int GL_COMPRESSED_SIGNED_R11_EAC = 0x9271;
|
|
public static int GL_COMPRESSED_RG11_EAC = 0x9272;
|
|
public static int GL_COMPRESSED_SIGNED_RG11_EAC = 0x9273;
|
|
|
|
// constants for glBaseInternalFormat
|
|
public static int GL_RED = 0x1903;
|
|
public static int GL_GREEN = 0x1904;
|
|
public static int GL_BLUE = 0x1905;
|
|
public static int GL_ALPHA = 0x1906;
|
|
public static int GL_RGB = 0x1907;
|
|
public static int GL_RGBA = 0x1908;
|
|
public static int GL_RG = 0x8227;
|
|
|
|
public static int getMipMapCount(int width, int height)
|
|
{
|
|
int mipMapCount = 1;
|
|
for (int dim = Math.Max(width, height); dim > 1; dim /= 2)
|
|
{
|
|
mipMapCount++;
|
|
}
|
|
return mipMapCount;
|
|
}
|
|
} |