Update to wgpu 30.0

A few things have changed, so let's jump in!

Presenting a SurfaceTexture

SurfaceTexture::present() has been removed. We now need to pass the SurfaceTexture into the Queue::present() function.

self.queue.present(output);

Sparse VertexBufferLayout

VertexBufferLayout entries can now be None. This allows you to have keep buffers bound at the same slots when rendering. This allows you to use consistent slots for specific buffers between different pipelines, so if you normally have the following buffer list:

&[
    Some(VertexDesc::Layout),
    Some(InstanceDesc::Layout),
    Some(MaterialDesc::Layout),
]

If you wanted to draw something that had a material but no instancing such as a large set piece, or a boss character. You could have the following list:

&[
    Some(VertexDesc::Layout),
    None,
    Some(MaterialDesc::Layout),
]

The buffer tutorial has been updated with more details.

Limit Bucketing

When requesting an adapter you need to specify RequestAdapterOptions::apply_limit_bucketing. This allows you to mask your GPU's capabilities from bad actors who might want to use your systems capabilities for fingerprinting or other suspicious activity. It can also help with shader caching if you want to compile custom shaders for specific tiers of devices.

Color Space

Requesting an adapter now requires you to specify color_space. This allows you to better specify how your window compositor should interpret wgpu's output. Using wgpu::ColorSpaces::Auto should work for most use cases.

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