bors[bot] 730313177e Merge #923
923: Fix invalid mip level count check r=kvark a=benfrankel

**Connections**
Fixes https://github.com/gfx-rs/wgpu/issues/894
Continues from https://github.com/gfx-rs/wgpu/pull/893

**Description**
Invalid mip level counts are allowed through `Device::create_texture`, triggering Vulkan validation errors. A fix was applied in https://github.com/gfx-rs/wgpu/pull/893, but the fix needs a minor correction to work properly.

Also added back the `MAX_MIP_LEVELS` check, because it's technically possible for `MAX_MIP_LEVELS` to be less than `kind.compute_num_levels()`, e.g. if one of the given dimensions is very big (2^16). 

Error message is updated to reflect the change in behavior: there are now three ways for a mip level count to be invalid: it's equal to zero; it's greater than `MAX_MIP_LEVELS`; or it's greater than the largest mip level count allowed for the given size.

**Testing**
Tested by manually modifying the `mipmap` example in `wgpu-rs` to pass various edge case values for `size` and `mip_level_count`.


Co-authored-by: Ben Frankel <ben.frankel7@gmail.com>
2020-09-08 12:20:50 +00:00
2020-09-04 23:47:24 -04:00
2020-09-02 20:43:32 +00:00
2020-04-30 09:55:52 -04:00
2018-09-13 15:18:51 -04:00
2020-03-03 00:10:04 -03:30
2020-04-06 08:55:39 -04:00

This is an active GitHub mirror of the WebGPU implementation in Rust, which now lives in "gfx/wgpu" of Mozilla-central. Issues and pull requests are accepted, but some bidirectional synchronization may be involved.

WebGPU

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This is the core logic of an experimental WebGPU implementation. It's written in Rust and is based on gfx-hal with help of gfx-extras. See the upstream WebGPU specification (work in progress).

The implementation consists of the following parts:

  • Crates.io docs.rs - internal Rust API for WebGPU implementations to use
  • Crates.io docs.rs - Rust types shared between wgpu-core, wgpu-native, and wgpu-rs
  • player - standalone application for replaying the API traces, uses winit

This repository contains the core of wgpu, and is not usable directly by applications. If you are looking for the user-facing Rust API, you need wgpu-rs. If you are looking for the native implementation or bindings to the API in other languages, you need wgpu-native.

Supported Platforms

API Windows 7/10 Linux & Android macOS & iOS
DX11
DX12 ✔️
Vulkan ✔️ ✔️
Metal ✔️
OpenGL 🚧 🚧 🚧

✔️ = Primary support — = Secondary support — 🚧 = Unsupported, but support in progress

Description
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