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Fix build for wasm32 target

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This commit is contained in:
Vincent Jousse 2020-12-17 21:47:57 +01:00
parent 89e585af61
commit 0899bb7207
4 changed files with 26 additions and 13 deletions
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8
.github/workflows/ci.yml vendored
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@ -33,6 +33,14 @@ jobs:
- name: Additional core features
run: cargo check --manifest-path wgpu-core/Cargo.toml --features trace --target ${{ env.TARGET }}
webgl_build:
name: Web Assembly
runs-on: ubuntu-18.04
steps:
- uses: actions/checkout@v2
- run: rustup target add wasm32-unknown-unknown
- run: cargo build --manifest-path wgpu-core/Cargo.toml --target wasm32-unknown-unknown
build:
name: ${{ matrix.name }}
runs-on: ${{ matrix.os }}

9
wgpu-core/Cargo.toml
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@ -39,19 +39,22 @@ gpu-descriptor = { git = "https://github.com/zakarumych/gpu-descriptor", rev = "
hal = { package = "gfx-hal", git = "https://github.com/gfx-rs/gfx", rev = "0244e3401e9f127617cb8636397048584e7bfe8a" }
gfx-backend-empty = { git = "https://github.com/gfx-rs/gfx", rev = "0244e3401e9f127617cb8636397048584e7bfe8a" }
[target.'cfg(all(unix, not(target_os = "ios"), not(target_os = "macos")))'.dependencies]
[target.'cfg(all(not(target_arch = "wasm32"), all(unix, not(target_os = "ios"), not(target_os = "macos"))))'.dependencies]
gfx-backend-vulkan = { git = "https://github.com/gfx-rs/gfx", rev = "0244e3401e9f127617cb8636397048584e7bfe8a", features = ["naga"] }
gfx-backend-gl = { git = "https://github.com/gfx-rs/gfx", rev = "0244e3401e9f127617cb8636397048584e7bfe8a", features = ["naga"] }
[target.'cfg(any(target_os = "ios", target_os = "macos"))'.dependencies]
[target.'cfg(all(not(target_arch = "wasm32"), any(target_os = "ios", target_os = "macos")))'.dependencies]
gfx-backend-metal = { git = "https://github.com/gfx-rs/gfx", rev = "0244e3401e9f127617cb8636397048584e7bfe8a", features = ["naga"] }
gfx-backend-vulkan = { git = "https://github.com/gfx-rs/gfx", rev = "0244e3401e9f127617cb8636397048584e7bfe8a", optional = true }
[target.'cfg(windows)'.dependencies]
[target.'cfg(all(not(target_arch = "wasm32"), windows))'.dependencies]
gfx-backend-dx12 = { git = "https://github.com/gfx-rs/gfx", rev = "0244e3401e9f127617cb8636397048584e7bfe8a" }
gfx-backend-dx11 = { git = "https://github.com/gfx-rs/gfx", rev = "0244e3401e9f127617cb8636397048584e7bfe8a" }
gfx-backend-vulkan = { git = "https://github.com/gfx-rs/gfx", rev = "0244e3401e9f127617cb8636397048584e7bfe8a" }
[target.'cfg(target_arch = "wasm32")'.dependencies]
gfx-backend-gl = { git = "https://github.com/gfx-rs/gfx", rev = "0244e3401e9f127617cb8636397048584e7bfe8a", features = ["naga"] }
[dependencies.naga]
git = "https://github.com/gfx-rs/naga"
tag = "gfx-5"

12
wgpu-core/build.rs
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@ -6,13 +6,15 @@ fn main() {
// Setup cfg aliases
cfg_aliases::cfg_aliases! {
// Vendors/systems
wasm: { target_arch = "wasm32" },
apple: { any(target_os = "ios", target_os = "macos") },
unix_wo_apple: {all(unix, not(apple))},
// Backends
vulkan: { any(windows, all(unix, not(apple)), feature = "gfx-backend-vulkan") },
metal: { apple },
dx12: { windows },
dx11: { windows },
gl: { all(unix, not(apple)) },
vulkan: { all(not(wasm), any(windows, unix_wo_apple, feature = "gfx-backend-vulkan")) },
metal: { all(not(wasm), apple) },
dx12: { all(not(wasm), windows) },
dx11: { all(not(wasm), windows) },
gl: { any(wasm, unix_wo_apple) },
}
}

10
wgpu-core/src/lib.rs
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@ -230,15 +230,15 @@ macro_rules! gfx_select {
// Note: For some reason the cfg aliases defined in build.rs don't succesfully apply in this
// macro so we must specify their equivalents manually
match $id.backend() {
#[cfg(any(not(any(target_os = "ios", target_os = "macos")), feature = "gfx-backend-vulkan"))]
#[cfg(all(not(target_arch = "wasm32"), any(not(any(target_os = "ios", target_os = "macos")), feature = "gfx-backend-vulkan")))]
wgt::Backend::Vulkan => $global.$method::<$crate::backend::Vulkan>( $($param),* ),
#[cfg(any(target_os = "ios", target_os = "macos"))]
#[cfg(all(not(target_arch = "wasm32"), any(target_os = "ios", target_os = "macos")))]
wgt::Backend::Metal => $global.$method::<$crate::backend::Metal>( $($param),* ),
#[cfg(windows)]
#[cfg(all(not(target_arch = "wasm32"), windows))]
wgt::Backend::Dx12 => $global.$method::<$crate::backend::Dx12>( $($param),* ),
#[cfg(windows)]
#[cfg(all(not(target_arch = "wasm32"), windows))]
wgt::Backend::Dx11 => $global.$method::<$crate::backend::Dx11>( $($param),* ),
#[cfg(all(unix, not(any(target_os = "ios", target_os = "macos"))))]
#[cfg(any(target_arch = "wasm32", all(unix, not(any(target_os = "ios", target_os = "macos")))))]
wgt::Backend::Gl => $global.$method::<$crate::backend::Gl>( $($param),+ ),
other => panic!("Unexpected backend {:?}", other),
}