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Explain why texture.source is not always required #1549

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Feb 27, 2019
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Explain why texture.source is not always required #1549

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4a6aace
Explain why texture.source is not always required.
emackey Jan 29, 2019
03b7114
Update wording.
emackey Jan 31, 2019
7553a5b
Update per offline discussion.
emackey Feb 27, 2019
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4 changes: 2 additions & 2 deletions specification/2.0/README.md
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Original file line number Diff line number Diff line change
Expand Up @@ -3717,7 +3717,7 @@ A texture and its sampler.
| |Type|Description|Required|
|---|----|-----------|--------|
|**sampler**|`integer`|The index of the sampler used by this texture. When undefined, a sampler with repeat wrapping and auto filtering should be used.|No|
|**source**|`integer`|The index of the image used by this texture.|No|
|**source**|`integer`|The index of the image used by this texture. When undefined, it is expected that an extension or other mechanism will supply an alternate texture source, otherwise behavior is undefined.|No|
|**name**|`string`|The user-defined name of this object.|No|
|**extensions**|`object`|Dictionary object with extension-specific objects.|No|
|**extras**|`any`|Application-specific data.|No|
Expand All @@ -3736,7 +3736,7 @@ The index of the sampler used by this texture. When undefined, a sampler with re

#### texture.source

The index of the image used by this texture.
The index of the image used by this texture. When undefined, it is expected that an extension or other mechanism will supply an alternate texture source, otherwise behavior is undefined.

* **Type**: `integer`
* **Required**: No
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2 changes: 1 addition & 1 deletion specification/2.0/schema/texture.schema.json
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Expand Up @@ -11,7 +11,7 @@
},
"source": {
"allOf": [ { "$ref": "glTFid.schema.json" } ],
"description": "The index of the image used by this texture."
"description": "The index of the image used by this texture. When undefined, it is expected that an extension or other mechanism will supply an alternate texture source, otherwise behavior is undefined."
},
"name": { },
"extensions": { },
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