macos: anti_aliasing example crashes when MSAA is set to 8 samples #15789
Description
Bevy version
main, since #14273
Relevant system information
SystemInfo { os: "MacOS 14.5 ", kernel: "23.5.0", cpu: "Apple M1 Max", core_count: "10", memory: "64.0 GiB" }
AdapterInfo { name: "Apple M1 Max", vendor: 0, device: 0, device_type: IntegratedGpu, driver: "", driver_info: "", backend: Metal }
What you did
cargo run --example anti_aliasting- Select MSAA
- Select 8 samples
What went wrong
App crashes
2024-10-09T15:29:05.575172Z ERROR wgpu_core::device::global: Device::create_texture error: Sample count 8 is not supported by format Rgba16Float on this device. The WebGPU spec guarantees [1, 4] samples are supported by this format. With the TEXTURE_ADAPTER_SPECIFIC_FORMAT_FEATURES feature your device supports [1, 2, 4].
2024-10-09T15:29:05.575243Z ERROR wgpu::backend::wgpu_core: Handling wgpu errors as fatal by default
thread 'Compute Task Pool (0)' panicked at /Users/me/.cargo/registry/src/index.crates.io-6f17d22bba15001f/wgpu-0.20.1/src/backend/wgpu_core.rs:2996:5:
wgpu error: Validation Error
Caused by:
In Device::create_texture
note: label = `main_texture_sampled`
Sample count 8 is not supported by format Rgba16Float on this device. The WebGPU spec guarantees [1, 4] samples are supported by this format. With the TEXTURE_ADAPTER_SPECIFIC_FORMAT_FEATURES feature your device supports [1, 2, 4].
note: run with `RUST_BACKTRACE=1` environment variable to display a backtrace
Encountered a panic in system `bevy_render::view::prepare_view_targets`!
Additional information
Before this PR, the app would not crash, and would emit a helpful warning.
2024-10-09T15:28:24.305025Z WARN bevy_render::view::window: MSAA 8x is not supported on this device. Falling back to MSAA 4x.