multi_draw_indirect_counter

[fyellin]

Implementation of the final two functions.
Fix some typos I had previous made.

[fyellin]

This code is working now, but it wasn't working an hour ago, and I didn't really do anything to fix it. I want to make sure I understand what's going on before this is merged. But it's rather straightforward code.

[fyellin]

The naga bug is back.

[fyellin]

This code is waiting for a new wgpu-native-lib to include:

gfx-rs/wgpu-native#432
gfx-rs/wgpu#6194

We pull directly from wpgu-native, so their next update should include the change. I'm not sure how wgpu-native decides which version of wgpu to use.

[almarklein]

I'm not sure how wgpu-native decides which version of wgpu to use.

Here's an example: gfx-rs/wgpu-native#402 Basically bumping versions in cargo.toml and then making the necessary changes. It usually updates for each release of wgpu-core.

[fyellin]

@almarklein.

I ask because it seems that tag 22.1.0.5 was created on gfx-rs/wgpu-native on Sept 12.

Meanwhile I don't see any tags on gfx-rs/wgpu, and the fix was merged into "trunk" on Sept 2. But it doesn't seem to have made it into the build of lib-native.

[almarklein]

That's correct. The latest tag from wgpu-core is 22.1.0. The versioning of wgpu-native is to take the version of wgpu-core and add a fourth number to it. We've had a few releases (22.1.0.x) for bugfixes and changes to how the binary archives are composed.

[fyellin]

I've confirmed that this code works with a patched wgpu. I've tried it out both on emulated GPUs and on real GPUs.

I just need to wait for us to catch up.

[fyellin]

Do we have any news as to when there will be a new wgpu-native? This PR needs big foxes there in order to work.

[fyellin]

I see that gfx-rs/wgpu has just released v 23.0.0. Now I just need to wait for wgpu-native to incorporate that, and then for us to incorporate wgpu-native.

[almarklein]

The work has started some time ago: gfx-rs/wgpu-native#441

[fyellin]

I compiled that PR along with its wgpu.h and webgpu.h, and ran it against our test suite. Almost everything worked perfectly. The only issues were that some error messages changed slightly (our tests looked for the exact test of the error message), and that the output of GlobalReport has changed so that test_objects and test_destroy weren't working. I did it on a Mac, so couldn't test multi draw, but I'll try again later on a Linux. So I'm hoping our porting efforts will be easy.

…

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