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ChmanChman
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TextureFormatUtilities refactor
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‎PostProcessing/Runtime/Utils/TextureFormatUtilities.cs

Lines changed: 70 additions & 60 deletions
Original file line numberDiff line numberDiff line change
@@ -1,77 +1,87 @@
11
using System;
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using System.Collections.Generic;
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using UnityEngine.Assertions;
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35
namespace UnityEngine.Rendering.PostProcessing
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{
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// Temporary code dump until the texture format refactor goes into trunk...
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public static class TextureFormatUtilities
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{
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static Dictionary<TextureFormat, RenderTextureFormat> m_FormatMap;
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static TextureFormatUtilities()
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{
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m_FormatMap = new Dictionary<TextureFormat, RenderTextureFormat>
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{
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{ TextureFormat.Alpha8, RenderTextureFormat.ARGB32 },
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{ TextureFormat.ARGB4444, RenderTextureFormat.ARGB4444 },
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{ TextureFormat.RGB24, RenderTextureFormat.ARGB32 },
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{ TextureFormat.RGBA32, RenderTextureFormat.ARGB32 },
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{ TextureFormat.ARGB32, RenderTextureFormat.ARGB32 },
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{ TextureFormat.RGB565, RenderTextureFormat.RGB565 },
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{ TextureFormat.R16, RenderTextureFormat.RHalf },
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{ TextureFormat.DXT1, RenderTextureFormat.ARGB32 },
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{ TextureFormat.DXT5, RenderTextureFormat.ARGB32 },
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{ TextureFormat.RGBA4444, RenderTextureFormat.ARGB4444 },
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{ TextureFormat.BGRA32, RenderTextureFormat.ARGB32 },
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{ TextureFormat.RHalf, RenderTextureFormat.RHalf },
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{ TextureFormat.RGHalf, RenderTextureFormat.RGHalf },
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{ TextureFormat.RGBAHalf, RenderTextureFormat.ARGBHalf },
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{ TextureFormat.RFloat, RenderTextureFormat.RFloat },
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{ TextureFormat.RGFloat, RenderTextureFormat.RGFloat },
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{ TextureFormat.RGBAFloat, RenderTextureFormat.ARGBFloat },
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{ TextureFormat.RGB9e5Float, RenderTextureFormat.ARGBHalf },
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{ TextureFormat.BC4, RenderTextureFormat.R8 },
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{ TextureFormat.BC5, RenderTextureFormat.RGHalf },
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{ TextureFormat.BC6H, RenderTextureFormat.ARGBHalf },
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{ TextureFormat.BC7, RenderTextureFormat.ARGB32 },
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#if !UNITY_IOS
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{ TextureFormat.DXT1Crunched, RenderTextureFormat.ARGB32 },
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{ TextureFormat.DXT5Crunched, RenderTextureFormat.ARGB32 },
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#endif
42+
{ TextureFormat.PVRTC_RGB2, RenderTextureFormat.ARGB32 },
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{ TextureFormat.PVRTC_RGBA2, RenderTextureFormat.ARGB32 },
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{ TextureFormat.PVRTC_RGB4, RenderTextureFormat.ARGB32 },
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{ TextureFormat.PVRTC_RGBA4, RenderTextureFormat.ARGB32 },
46+
{ TextureFormat.ETC_RGB4, RenderTextureFormat.ARGB32 },
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{ TextureFormat.ATC_RGB4, RenderTextureFormat.ARGB32 },
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{ TextureFormat.ATC_RGBA8, RenderTextureFormat.ARGB32 },
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{ TextureFormat.ETC2_RGB, RenderTextureFormat.ARGB32 },
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{ TextureFormat.ETC2_RGBA1, RenderTextureFormat.ARGB32 },
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{ TextureFormat.ETC2_RGBA8, RenderTextureFormat.ARGB32 },
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{ TextureFormat.ASTC_RGB_4x4, RenderTextureFormat.ARGB32 },
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{ TextureFormat.ASTC_RGB_5x5, RenderTextureFormat.ARGB32 },
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{ TextureFormat.ASTC_RGB_6x6, RenderTextureFormat.ARGB32 },
55+
{ TextureFormat.ASTC_RGB_8x8, RenderTextureFormat.ARGB32 },
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{ TextureFormat.ASTC_RGB_10x10, RenderTextureFormat.ARGB32 },
57+
{ TextureFormat.ASTC_RGB_12x12, RenderTextureFormat.ARGB32 },
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{ TextureFormat.ASTC_RGBA_4x4, RenderTextureFormat.ARGB32 },
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{ TextureFormat.ASTC_RGBA_5x5, RenderTextureFormat.ARGB32 },
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{ TextureFormat.ASTC_RGBA_6x6, RenderTextureFormat.ARGB32 },
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{ TextureFormat.ASTC_RGBA_8x8, RenderTextureFormat.ARGB32 },
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{ TextureFormat.ASTC_RGBA_10x10, RenderTextureFormat.ARGB32 },
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{ TextureFormat.ASTC_RGBA_12x12, RenderTextureFormat.ARGB32 },
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{ TextureFormat.ETC_RGB4_3DS, RenderTextureFormat.ARGB32 },
65+
{ TextureFormat.ETC_RGBA8_3DS, RenderTextureFormat.ARGB32 }
66+
};
67+
}
68+
869
public static RenderTextureFormat GetUncompressedRenderTextureFormat(Texture texture)
970
{
71+
Assert.IsNotNull(texture);
72+
1073
if (texture is RenderTexture)
1174
return (texture as RenderTexture).format;
1275

1376
if (texture is Texture2D)
1477
{
15-
switch ((texture as Texture2D).format)
16-
{
17-
case TextureFormat.Alpha8: return RenderTextureFormat.ARGB32;
18-
case TextureFormat.ARGB4444: return RenderTextureFormat.ARGB4444;
19-
case TextureFormat.RGB24: return RenderTextureFormat.ARGB32;
20-
case TextureFormat.RGBA32: return RenderTextureFormat.ARGB32;
21-
case TextureFormat.ARGB32: return RenderTextureFormat.ARGB32;
22-
case TextureFormat.RGB565: return RenderTextureFormat.RGB565;
23-
case TextureFormat.R16: return RenderTextureFormat.RHalf; // ???
24-
case TextureFormat.DXT1: return RenderTextureFormat.ARGB32;
25-
case TextureFormat.DXT5: return RenderTextureFormat.ARGB32;
26-
case TextureFormat.RGBA4444: return RenderTextureFormat.ARGB4444;
27-
case TextureFormat.BGRA32: return RenderTextureFormat.ARGB32;
28-
case TextureFormat.RHalf: return RenderTextureFormat.RHalf;
29-
case TextureFormat.RGHalf: return RenderTextureFormat.RGHalf;
30-
case TextureFormat.RGBAHalf: return RenderTextureFormat.ARGBHalf;
31-
case TextureFormat.RFloat: return RenderTextureFormat.RFloat;
32-
case TextureFormat.RGFloat: return RenderTextureFormat.RGFloat;
33-
case TextureFormat.RGBAFloat: return RenderTextureFormat.ARGBFloat;
34-
case TextureFormat.RGB9e5Float: return RenderTextureFormat.ARGBHalf;
35-
case TextureFormat.BC4: return RenderTextureFormat.R8;
36-
case TextureFormat.BC5: return RenderTextureFormat.RGHalf;
37-
case TextureFormat.BC6H: return RenderTextureFormat.ARGBHalf;
38-
case TextureFormat.BC7: return RenderTextureFormat.ARGB32;
39-
#if !UNITY_IOS
40-
case TextureFormat.DXT1Crunched: return RenderTextureFormat.ARGB32;
41-
case TextureFormat.DXT5Crunched: return RenderTextureFormat.ARGB32;
42-
#endif
43-
case TextureFormat.PVRTC_RGB2: return RenderTextureFormat.ARGB32;
44-
case TextureFormat.PVRTC_RGBA2: return RenderTextureFormat.ARGB32;
45-
case TextureFormat.PVRTC_RGB4: return RenderTextureFormat.ARGB32;
46-
case TextureFormat.PVRTC_RGBA4: return RenderTextureFormat.ARGB32;
47-
case TextureFormat.ETC_RGB4: return RenderTextureFormat.ARGB32;
48-
case TextureFormat.ATC_RGB4: return RenderTextureFormat.ARGB32;
49-
case TextureFormat.ATC_RGBA8: return RenderTextureFormat.ARGB32;
50-
case TextureFormat.ETC2_RGB: return RenderTextureFormat.ARGB32;
51-
case TextureFormat.ETC2_RGBA1: return RenderTextureFormat.ARGB32;
52-
case TextureFormat.ETC2_RGBA8: return RenderTextureFormat.ARGB32;
53-
case TextureFormat.ASTC_RGB_4x4: return RenderTextureFormat.ARGB32;
54-
case TextureFormat.ASTC_RGB_5x5: return RenderTextureFormat.ARGB32;
55-
case TextureFormat.ASTC_RGB_6x6: return RenderTextureFormat.ARGB32;
56-
case TextureFormat.ASTC_RGB_8x8: return RenderTextureFormat.ARGB32;
57-
case TextureFormat.ASTC_RGB_10x10: return RenderTextureFormat.ARGB32;
58-
case TextureFormat.ASTC_RGB_12x12: return RenderTextureFormat.ARGB32;
59-
case TextureFormat.ASTC_RGBA_4x4: return RenderTextureFormat.ARGB32;
60-
case TextureFormat.ASTC_RGBA_5x5: return RenderTextureFormat.ARGB32;
61-
case TextureFormat.ASTC_RGBA_6x6: return RenderTextureFormat.ARGB32;
62-
case TextureFormat.ASTC_RGBA_8x8: return RenderTextureFormat.ARGB32;
63-
case TextureFormat.ASTC_RGBA_10x10: return RenderTextureFormat.ARGB32;
64-
case TextureFormat.ASTC_RGBA_12x12: return RenderTextureFormat.ARGB32;
65-
case TextureFormat.ETC_RGB4_3DS: return RenderTextureFormat.ARGB32;
66-
case TextureFormat.ETC_RGBA8_3DS: return RenderTextureFormat.ARGB32;
67-
case TextureFormat.EAC_R: goto default;
68-
case TextureFormat.EAC_R_SIGNED: goto default;
69-
case TextureFormat.EAC_RG: goto default;
70-
case TextureFormat.EAC_RG_SIGNED: goto default;
71-
case TextureFormat.YUY2: goto default;
72-
default:
73-
throw new NotSupportedException("Texture format not supported");
74-
}
78+
var inFormat = ((Texture2D)texture).format;
79+
RenderTextureFormat outFormat;
80+
81+
if (!m_FormatMap.TryGetValue(inFormat, out outFormat))
82+
throw new NotSupportedException("Texture format not supported");
83+
84+
return outFormat;
7585
}
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7787
return RenderTextureFormat.Default;

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