Change rgb SetConvertedChannels extension to use ColorRGB explicitly

Author: ds5678

AssetRipper.TextureDecoder/Dxt/DxtDecoder.cs

@@ -245,7 +245,7 @@ public static int DecompressDXT3<TOutputColor, TOutputChannel>(ReadOnlySpan<byte
 					uint d = ToUInt32(input, offset + 12);
 					for (int i = 0; i < 16; i++, d >>= 2)
 					{
-						buffer[i].SetConvertedChannels<TOutputColor, TOutputChannel, ColorRGB<byte>, byte>(colors[unchecked((int)(d & 3))], alphas[i]);
+						buffer[i].SetConvertedChannels<TOutputColor, TOutputChannel, byte>(colors[unchecked((int)(d & 3))], alphas[i]);
 					}
 
 					int clen = s < bcw - 1 ? 4 : clen_last;
@@ -348,8 +348,8 @@ public static int DecompressDXT5<TOutputColor, TOutputChannel>(ReadOnlySpan<byte
 				for (int s = 0; s < bcw; s++, offset += 16)
 				{
 					byte a0 = input[offset + 0];
-					byte a1 = input[offset + 1];
-					alphas[0] = a0;
+					byte a1 = input[offset + 1];
+					alphas[0] = a0;
 					alphas[1] = a1;
 					if (a0 > a1)
 					{
@@ -391,7 +391,7 @@ public static int DecompressDXT5<TOutputColor, TOutputChannel>(ReadOnlySpan<byte
 					uint dc = ToUInt32(input, offset + 12);
 					for (int i = 0; i < 16; i++, da >>= 3, dc >>= 2)
 					{
-						buffer[i].SetConvertedChannels<TOutputColor, TOutputChannel, ColorRGB<byte>, byte>(colors[unchecked((int)(dc & 3))], alphas[unchecked((int)(da & 7))]);
+						buffer[i].SetConvertedChannels<TOutputColor, TOutputChannel, byte>(colors[unchecked((int)(dc & 3))], alphas[unchecked((int)(da & 7))]);
 					}
 
 					int clen = s < bcw - 1 ? 4 : clen_last;

AssetRipper.TextureDecoder/Rgb/Color.cs

@@ -55,11 +55,10 @@ internal static void SetConvertedChannels<TThis, TThisChannel, TSourceChannel>(t
 	}
 
 	[MethodImpl(MethodImplOptions.AggressiveInlining | MethodImplOptions.AggressiveOptimization)]
-	internal static void SetConvertedChannels<TThis, TThisChannel, TSourceColor, TSourceChannel>(this ref TThis color, TSourceColor rgb, TSourceChannel a)
+	internal static void SetConvertedChannels<TThis, TThisChannel, TSourceChannel>(this ref TThis color, ColorRGB<TSourceChannel> rgb, TSourceChannel a)
 		where TThisChannel : unmanaged
-		where TSourceChannel : unmanaged
+		where TSourceChannel : unmanaged, INumberBase<TSourceChannel>, IMinMaxValue<TSourceChannel>
 		where TThis : unmanaged, IColor<TThisChannel>
-		where TSourceColor : unmanaged, IColor<TSourceChannel>
 	{
 		color.SetChannels(
 			NumericConversion.Convert<TSourceChannel, TThisChannel>(rgb.R),