# Objective
Fixes#3352Fixes#3208
## Solution
- Update wgpu to 0.12
- Update naga to 0.8
- Resolve compilation errors
- Remove [[block]] from WGSL shaders (because it is depracated and now wgpu cant parse it)
- Replace `elseif` with `else if` in pbr.wgsl
This makes the [New Bevy Renderer](#2535) the default (and only) renderer. The new renderer isn't _quite_ ready for the final release yet, but I want as many people as possible to start testing it so we can identify bugs and address feedback prior to release.
The examples are all ported over and operational with a few exceptions:
* I removed a good portion of the examples in the `shader` folder. We still have some work to do in order to make these examples possible / ergonomic / worthwhile: #3120 and "high level shader material plugins" are the big ones. This is a temporary measure.
* Temporarily removed the multiple_windows example: doing this properly in the new renderer will require the upcoming "render targets" changes. Same goes for the render_to_texture example.
* Removed z_sort_debug: entity visibility sort info is no longer available in app logic. we could do this on the "render app" side, but i dont consider it a priority.
Objective
During work on #3009 I've found that not all jobs use actions-rs, and therefore, an previous version of Rust is used for them. So while compilation and other stuff can pass, checking markup and Android build may fail with compilation errors.
Solution
This PR adds `action-rs` for any job running cargo, and updates the edition to 2021.
This relicenses Bevy under the dual MIT or Apache-2.0 license. For rationale, see #2373.
* Changes the LICENSE file to describe the dual license. Moved the MIT license to docs/LICENSE-MIT. Added the Apache-2.0 license to docs/LICENSE-APACHE. I opted for this approach over dumping both license files at the root (the more common approach) for a number of reasons:
* Github links to the "first" license file (LICENSE-APACHE) in its license links (you can see this in the wgpu and rust-analyzer repos). People clicking these links might erroneously think that the apache license is the only option. Rust and Amethyst both use COPYRIGHT or COPYING files to solve this problem, but this creates more file noise (if you do everything at the root) and the naming feels way less intuitive.
* People have a reflex to look for a LICENSE file. By providing a single license file at the root, we make it easy for them to understand our licensing approach.
* I like keeping the root clean and noise free
* There is precedent for putting the apache and mit license text in sub folders (amethyst)
* Removed the `Copyright (c) 2020 Carter Anderson` copyright notice from the MIT license. I don't care about this attribution, it might make license compliance more difficult in some cases, and it didn't properly attribute other contributors. We shoudn't replace it with something like "Copyright (c) 2021 Bevy Contributors" because "Bevy Contributors" is not a legal entity. Instead, we just won't include the copyright line (which has precedent ... Rust also uses this approach).
* Updates crates to use the new "MIT OR Apache-2.0" license value
* Removes the old legion-transform license file from bevy_transform. bevy_transform has been its own, fully custom implementation for a long time and that license no longer applies.
* Added a License section to the main readme
* Updated our Bevy Plugin licensing guidelines.
As a follow-up we should update the website to properly describe the new license.
Closes#2373
This was tested using cargo generate-lockfile -Zminimal-versions.
The following indirect dependencies also have minimal version
dependencies. For at least num, rustc-serialize and rand this is
necessary to compile on rustc versions that are not older than 1.0.
* num = "0.1.27"
* rustc-serialize = "0.3.20"
* termcolor = "1.0.4"
* libudev-sys = "0.1.1"
* rand = "0.3.14"
* ab_glyph = "0.2.7
Based on https://github.com/bevyengine/bevy/pull/2455
Updates the requirements on [gltf](https://github.com/gltf-rs/gltf) to permit the latest version.
<details>
<summary>Changelog</summary>
<p><em>Sourced from <a href="https://github.com/gltf-rs/gltf/blob/master/CHANGELOG.md">gltf's changelog</a>.</em></p>
<blockquote>
<h2>[0.16.0] - 2021-05-13</h2>
<h3>Added</h3>
<ul>
<li>Support for the <code>KHR_texture_transform</code> extension.</li>
<li>Support for the <code>KHR_materials_transmission_ior extension</code>.</li>
</ul>
<h3>Changed</h3>
<ul>
<li><code>Material::alpha_cutoff</code> is now optional.</li>
</ul>
<h3>Fixed</h3>
<ul>
<li>URIs with embedded data failing to import when using <code>import_slice</code>.</li>
<li>Serialization of empty primitives object being skipped.</li>
</ul>
<h2>[0.15.2] - 2020-03-29</h2>
<h3>Changed</h3>
<ul>
<li>All features are now exposed in the <a href="http://docs.rs/gltf">online documentation</a>.</li>
<li>Primary iterators now implement <code>Iterator::nth</code> explicitly for improved performance.</li>
</ul>
<h3>Fixed</h3>
<ul>
<li>Compiler warnings regarding deprecation of <code>std::error::Error::description</code>.</li>
</ul>
<h2>[0.15.1] - 2020-03-15</h2>
<h3>Added</h3>
<ul>
<li>New feature <code>guess_mime_type</code> which, as the name suggests, attempts to guess
the MIME type of an image if it doesn't exactly match the standard.</li>
</ul>
<h3>Changed</h3>
<ul>
<li><code>base64</code> updated to <code>0.11</code>.</li>
<li><code>byteorder</code> updated to <code>1.3</code>.</li>
<li><code>image</code> updated to <code>0.23.0</code>.</li>
<li><code>Format</code> has additional variants for 16-bit pixel formats.</li>
</ul>
<h3>Fixed</h3>
<ul>
<li>Off-by-one error when reading whole files incurring a gratuitous reallocation.</li>
</ul>
<h2>[0.15.0] - 2020-01-18</h2>
<h3>Added</h3>
<ul>
<li>Support for the <code>KHR_materials_unlit</code> extension, which adds an <code>unlit</code> field</li>
</ul>
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</blockquote>
<p>... (truncated)</p>
</details>
<details>
<summary>Commits</summary>
<ul>
<li>See full diff in <a href="https://github.com/gltf-rs/gltf/commits">compare view</a></li>
</ul>
</details>
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</details>
make more information available from loaded GLTF model
* make gltf nodes available as assets
* add list of primitive per mesh, and their associated material
* complete gltf structure
* get names of gltf assets
* only load materials once
* add labels with node names
