test-renderers: Enable wgpu backend features.

This used to be implicit but now `all-is-cubes-gpu` has `default-features = false`, so we lost all non-Linux backends.
kpreid · Feb 18, 2024 · b6917ba · b6917ba
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commit b6917ba
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diff --git a/all-is-cubes-desktop/Cargo.toml b/all-is-cubes-desktop/Cargo.toml
@@ -58,7 +58,7 @@ tokio = { workspace = true, features = ["rt-multi-thread", "sync"] }
 ratatui = { version = "0.25.0", default-features = false, features = ["crossterm"] }
 unicode-width = { version = "0.1.9", default-features = false }
 # We have no true direct dependency on wgpu, but do need to select backends.
-# (As of wgpu 0.19, Vulkan is implicitly enabled on Linux
+# (As of wgpu 0.19, Vulkan is implicitly enabled on Linux.)
 wgpu = { workspace = true, features = ["dx12", "metal"] }
 # Note on feature selection: winit requires either "x11" or "wayland" to build at all on Linux, which is harmless elsewhere. I picked x11 because it should be the most compatible.
 winit = { version = "0.29.2", default-features = false, features = ["x11", "rwh_06"] }

diff --git a/test-renderers/Cargo.toml b/test-renderers/Cargo.toml
@@ -80,7 +80,9 @@ tempfile = { workspace = true }
 tinytemplate = "1.2.1"
 # Using tokio for async test-running.
 tokio = { workspace = true, features = ["macros", "rt", "rt-multi-thread", "parking_lot", "sync", "time"] }
-wgpu = { workspace = true }
+# In addition to depending on wgpu directly, we also need to select backends to be enabled in our binary.
+# (As of wgpu 0.19, Vulkan is implicitly enabled on Linux.)
+wgpu = { workspace = true, features = ["dx12", "metal"] }
 
 [lints]
 workspace = true