private static void ConfigureSampler(TextureDescriptor texDesc, TextureImporter textureImporter)
{
textureImporter.mipmapEnabled = texDesc.Sampler.EnableMipMap;
textureImporter.filterMode = texDesc.Sampler.FilterMode;
textureImporter.wrapModeU = texDesc.Sampler.WrapModesU;
textureImporter.wrapModeV = texDesc.Sampler.WrapModesV;
}
public void Add(TextureDescriptor texDesc)
{
if (_texDescDict.ContainsKey(texDesc.SubAssetKey))
{
return;
}
_texDescDict.Add(texDesc.SubAssetKey, texDesc);
}
public static void Configure(TextureDescriptor texDesc, IReadOnlyDictionary <SubAssetKey, Texture> ExternalMap)
{
if (ExternalMap.TryGetValue(texDesc.SubAssetKey, out Texture external))
{
if (ImporterGetter.TryGetImporter(external, out ImporterGetter getter))
{
using (getter)
{
Configure(texDesc, external, getter.Importer);
}
}
}
}
public static void Configure(TextureDescriptor texDesc, IReadOnlyDictionary <SubAssetKey, Texture> externalMap)
{
if (!externalMap.TryGetValue(texDesc.SubAssetKey, out var externalTexture))
{
return;
}
if (!EditorTextureUtility.TryGetAsEditorTexture2DAsset(externalTexture, out var texture2D, out var importer))
{
return;
}
Configure(texDesc, importer);
importer.SaveAndReimport();
}
private static void Configure(TextureDescriptor texDesc, TextureImporter importer)
{
switch (texDesc.TextureType)
{
case TextureImportTypes.NormalMap:
{
ConfigureSize(importer);
ConfigureNormalMap(importer);
}
break;
case TextureImportTypes.StandardMap:
{
ConfigureSize(importer);
ConfigureLinear(importer);
}
break;
case TextureImportTypes.sRGB:
{
ConfigureSize(importer);
}
break;
case TextureImportTypes.Linear:
{
ConfigureSize(importer);
ConfigureLinear(importer);
}
break;
default:
throw new NotImplementedException();
}
ConfigureSampler(texDesc, importer);
}
/// <summary>
/// テクスチャ生成情報を基に、テクスチャ生成を行う。
/// SubAssetKey が同じ場合はキャッシュを返す。
/// </summary>
public async Task <Texture> GetTextureAsync(TextureDescriptor texDesc, IAwaitCaller awaitCaller)
{
var subAssetKey = texDesc.SubAssetKey;
if (_externalMap != null && _externalMap.TryGetValue(subAssetKey, out var externalTexture))
{
return(externalTexture);
}
if (_textureCache.TryGetValue(subAssetKey, out var cachedTexture))
{
return(cachedTexture);
}
switch (texDesc.TextureType)
{
case TextureImportTypes.NormalMap:
{
// no conversion. Unity's normal map is same with glTF's.
//
// > contrary to Unity’s usual convention of using Y as “up”
// https://docs.unity3d.com/2018.4/Documentation/Manual/StandardShaderMaterialParameterNormalMap.html
var data0 = await texDesc.Index0();
var rawTexture = await TextureDeserializer.LoadTextureAsync(data0, texDesc.Sampler.EnableMipMap, ColorSpace.Linear, awaitCaller);
rawTexture.name = subAssetKey.Name;
rawTexture.SetSampler(texDesc.Sampler);
_textureCache.Add(subAssetKey, rawTexture);
return(rawTexture);
}
case TextureImportTypes.StandardMap:
{
Texture2D metallicRoughnessTexture = default;
Texture2D occlusionTexture = default;
if (texDesc.Index0 != null)
{
var data0 = await texDesc.Index0();
metallicRoughnessTexture = await TextureDeserializer.LoadTextureAsync(data0, texDesc.Sampler.EnableMipMap, ColorSpace.Linear, awaitCaller);
}
if (texDesc.Index1 != null)
{
var data1 = await texDesc.Index1();
occlusionTexture = await TextureDeserializer.LoadTextureAsync(data1, texDesc.Sampler.EnableMipMap, ColorSpace.Linear, awaitCaller);
}
var combinedTexture = OcclusionMetallicRoughnessConverter.Import(metallicRoughnessTexture,
texDesc.MetallicFactor, texDesc.RoughnessFactor, occlusionTexture, _isLegacySquaredRoughness);
combinedTexture.name = subAssetKey.Name;
combinedTexture.SetSampler(texDesc.Sampler);
_textureCache.Add(subAssetKey, combinedTexture);
UnityObjectDestoyer.DestroyRuntimeOrEditor(metallicRoughnessTexture);
UnityObjectDestoyer.DestroyRuntimeOrEditor(occlusionTexture);
return(combinedTexture);
}
case TextureImportTypes.sRGB:
{
var data0 = await texDesc.Index0();
var rawTexture = await TextureDeserializer.LoadTextureAsync(data0, texDesc.Sampler.EnableMipMap, ColorSpace.sRGB, awaitCaller);
rawTexture.name = subAssetKey.Name;
rawTexture.SetSampler(texDesc.Sampler);
_textureCache.Add(subAssetKey, rawTexture);
return(rawTexture);
}
case TextureImportTypes.Linear:
{
var data0 = await texDesc.Index0();
var rawTexture = await TextureDeserializer.LoadTextureAsync(data0, texDesc.Sampler.EnableMipMap, ColorSpace.Linear, awaitCaller);
rawTexture.name = subAssetKey.Name;
rawTexture.SetSampler(texDesc.Sampler);
_textureCache.Add(subAssetKey, rawTexture);
return(rawTexture);
}
default:
throw new ArgumentOutOfRangeException();
}
}