Removed glam feature toggle altogether

Author: oisyn

crates/spirv-std/Cargo.toml

@@ -12,7 +12,7 @@ spirv-std-types.workspace = true
 spirv-std-macros.workspace = true
 bitflags = "1.2.1"
 num-traits = { version = "0.2.14", default-features = false, features = ["libm"] }
-glam = { version = "0.22", default-features = false, features = ["libm"], optional = true }
+glam = { version = "0.22", default-features = false, features = ["libm"] }
 
 [features]
-default = ["glam"]
+default = []

crates/spirv-std/src/float.rs

@@ -82,7 +82,6 @@ pub fn f32_to_f16(float: f32) -> u32 {
 
 /// Converts an f16 (half) into an f32 (float). The parameter is a u32, due to GPU support for u16
 /// not being universal - the upper 16 bits are ignored.
-#[cfg(feature = "glam")]
 #[spirv_std_macros::gpu_only]
 pub fn f16_to_f32(packed: u32) -> f32 {
     f16x2_to_vec2::<F32x2>(packed).x

crates/spirv-std/src/image/params.rs

@@ -27,7 +27,6 @@ macro_rules! sample_type_impls {
     }
 }
 
-#[cfg(feature = "glam")]
 sample_type_impls! {
     Unknown: i8 => (glam::IVec2, glam::IVec3, glam::IVec4),
     Unknown: i16 => (glam::IVec2, glam::IVec3, glam::IVec4),

crates/spirv-std/src/lib.rs

@@ -113,18 +113,8 @@ pub use byte_addressable_buffer::ByteAddressableBuffer;
 pub use num_traits;
 pub use runtime_array::*;
 
-#[cfg(feature = "glam")]
 pub use glam;
 
-// HACK(shesp) As we removed support for generic user-configurable vector types in the Image API,
-// glam is now required. In the future we might want to add other popular vector math libraries,
-// so we keep the "glam" feature toggle intact for now. As the code won't currently compile
-// without it, present the user with a somewhat friendly error message.
-#[cfg(not(feature = "glam"))]
-compile_error!(
-    r#"`spriv-std` now requires the use of `glam`. Make sure the "glam" feature is specified for `spirv-std` in `Cargo.toml`"#
-);
-
 #[cfg(all(not(test), target_arch = "spirv"))]
 #[panic_handler]
 fn panic(_: &core::panic::PanicInfo<'_>) -> ! {

crates/spirv-std/src/vector.rs

@@ -7,32 +7,19 @@
 /// should not be done.
 pub unsafe trait Vector<T: crate::scalar::Scalar, const N: usize>: Default {}
 
-#[cfg(feature = "glam")]
 unsafe impl Vector<f32, 2> for glam::Vec2 {}
-#[cfg(feature = "glam")]
 unsafe impl Vector<f32, 3> for glam::Vec3 {}
-#[cfg(feature = "glam")]
 unsafe impl Vector<f32, 3> for glam::Vec3A {}
-#[cfg(feature = "glam")]
 unsafe impl Vector<f32, 4> for glam::Vec4 {}
 
-#[cfg(feature = "glam")]
 unsafe impl Vector<f64, 2> for glam::DVec2 {}
-#[cfg(feature = "glam")]
 unsafe impl Vector<f64, 3> for glam::DVec3 {}
-#[cfg(feature = "glam")]
 unsafe impl Vector<f64, 4> for glam::DVec4 {}
 
-#[cfg(feature = "glam")]
 unsafe impl Vector<u32, 2> for glam::UVec2 {}
-#[cfg(feature = "glam")]
 unsafe impl Vector<u32, 3> for glam::UVec3 {}
-#[cfg(feature = "glam")]
 unsafe impl Vector<u32, 4> for glam::UVec4 {}
 
-#[cfg(feature = "glam")]
 unsafe impl Vector<i32, 2> for glam::IVec2 {}
-#[cfg(feature = "glam")]
 unsafe impl Vector<i32, 3> for glam::IVec3 {}
-#[cfg(feature = "glam")]
 unsafe impl Vector<i32, 4> for glam::IVec4 {}

docs/src/writing-shader-crates.md

@@ -150,7 +150,7 @@ Configure your shader crate as a `"dylib"` type crate, and add `spirv-std` to it
 
 ```toml
 [dependencies]
-spirv-std = { version = "0.4", features = ["glam"] }
+spirv-std = { version = "0.6" }
 ```
 
 Make sure your shader code uses the `no_std` attribute and makes the `spirv` attribute visibile in the global scope. Then, you're ready to write your first shader. Here's a very simple fragment shader called `main_fs` as an example that outputs the color red:

examples/shaders/compute-shader/Cargo.toml

@@ -11,7 +11,7 @@ repository.workspace = true
 crate-type = ["dylib", "lib"]
 
 [dependencies]
-spirv-std = { workspace = true, features = ["glam"] }
+spirv-std = { workspace = true }
 
 [target.'cfg(not(target_arch = "spirv"))'.dependencies]
 rayon = "1.5"

examples/shaders/mouse-shader/Cargo.toml

@@ -12,4 +12,4 @@ crate-type = ["dylib"]
 
 [dependencies]
 shared = { path = "../../shaders/shared" }
-spirv-std = { workspace = true, features = ["glam"] }
+spirv-std = { workspace = true }

examples/shaders/reduce/Cargo.toml

@@ -11,4 +11,4 @@ repository.workspace = true
 crate-type = ["dylib", "lib"]
 
 [dependencies]
-spirv-std = { workspace = true, features = ["glam"] }
+spirv-std = { workspace = true }

examples/shaders/shared/Cargo.toml

@@ -8,5 +8,5 @@ license.workspace = true
 repository.workspace = true
 
 [dependencies]
-spirv-std = { workspace = true, features = ["glam"] }
+spirv-std = { workspace = true }
 bytemuck = { version = "1.6.3", features = ["derive"] }