chore: update build configuration variables and organization

- add new variables `wgpu_dx12_compiler`, `rust_log`, `rust_backtrace`
- move `mesa_version` and `ci_binary_build` variables to a different section

.github/workflows/ci.yml

@@ -14,17 +14,21 @@ env:
   VULKAN_SDK_VERSION: "1.3.268"
   # Sourced from https://www.nuget.org/packages/Microsoft.Direct3D.WARP
   WARP_VERSION: "1.0.8"
-  # Sourced from https://archive.mesa3d.org/. Bumping this requires
-  # updating the mesa build in https://github.com/gfx-rs/ci-build and creating a new release.
-  MESA_VERSION: "23.3.1"
-  # Corresponds to https://github.com/gfx-rs/ci-build/releases
-  CI_BINARY_BUILD: "build18"
   # Sourced from https://github.com/microsoft/DirectXShaderCompiler/releases
   #
   # Must also be changed in shaders.yaml
   DXC_RELEASE: "v1.7.2308"
   DXC_FILENAME: "dxc_2023_08_14.zip"
 
+  # Sourced from https://archive.mesa3d.org/. Bumping this requires
+  # updating the mesa build in https://github.com/gfx-rs/ci-build and creating a new release.
+  MESA_VERSION: "23.3.1"
+  # Corresponds to https://github.com/gfx-rs/ci-build/releases
+  CI_BINARY_BUILD: "build18"
+  WGPU_DX12_COMPILER: dxc
+  RUST_LOG: info
+  RUST_BACKTRACE: full
+
   FONTS: "Monaspace FiraCode ProFont CascadiaCode Noto"
   BREW_FONTS: "font-monaspace font-fira-code-nerd-font font-profont-nerd-font font-caskaydia-cove-nerd-font font-monaspace-nerd-font font-noto-nerd-font"
   VERSION: "v3.2.1"