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[naga] Make tests compile without the WGSL front end. (#6217)

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Jim Blandy 2024-09-05 01:18:20 -07:00 committed by GitHub
parent 36124b12c5
commit aeac0f29fe
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1 changed files with 50 additions and 43 deletions
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93
naga/tests/validation.rs
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@ -316,6 +316,8 @@ fn main() {{
#[cfg(feature = "wgsl-in")]
#[test]
fn incompatible_interpolation_and_sampling_types() {
use dummy_interpolation_shader::DummyInterpolationShader;
// NOTE: Things we expect to actually compile are in the `interpolate` snapshot test.
use itertools::Itertools;
@ -396,6 +398,8 @@ fn incompatible_interpolation_and_sampling_types() {
#[cfg(all(feature = "wgsl-in", feature = "glsl-out"))]
#[test]
fn no_flat_first_in_glsl() {
use dummy_interpolation_shader::DummyInterpolationShader;
let DummyInterpolationShader {
source: _,
module,
@ -432,44 +436,46 @@ fn no_flat_first_in_glsl() {
));
}
struct DummyInterpolationShader {
source: String,
module: naga::Module,
interpolate_attr: String,
entry_point: &'static str,
}
#[cfg(all(test, feature = "wgsl-in"))]
mod dummy_interpolation_shader {
pub struct DummyInterpolationShader {
pub source: String,
pub module: naga::Module,
pub interpolate_attr: String,
pub entry_point: &'static str,
}
impl DummyInterpolationShader {
fn new(interpolation: naga::Interpolation, sampling: Option<naga::Sampling>) -> Self {
// NOTE: If you have to add variants below, make sure to add them to the
// `cartesian_product`'d combinations in tests around here!
let interpolation_str = match interpolation {
naga::Interpolation::Flat => "flat",
naga::Interpolation::Linear => "linear",
naga::Interpolation::Perspective => "perspective",
};
let sampling_str = match sampling {
None => String::new(),
Some(sampling) => format!(
", {}",
match sampling {
naga::Sampling::First => "first",
naga::Sampling::Either => "either",
naga::Sampling::Center => "center",
naga::Sampling::Centroid => "centroid",
naga::Sampling::Sample => "sample",
}
),
};
let member_type = match interpolation {
naga::Interpolation::Perspective | naga::Interpolation::Linear => "f32",
naga::Interpolation::Flat => "u32",
};
impl DummyInterpolationShader {
pub fn new(interpolation: naga::Interpolation, sampling: Option<naga::Sampling>) -> Self {
// NOTE: If you have to add variants below, make sure to add them to the
// `cartesian_product`'d combinations in tests around here!
let interpolation_str = match interpolation {
naga::Interpolation::Flat => "flat",
naga::Interpolation::Linear => "linear",
naga::Interpolation::Perspective => "perspective",
};
let sampling_str = match sampling {
None => String::new(),
Some(sampling) => format!(
", {}",
match sampling {
naga::Sampling::First => "first",
naga::Sampling::Either => "either",
naga::Sampling::Center => "center",
naga::Sampling::Centroid => "centroid",
naga::Sampling::Sample => "sample",
}
),
};
let member_type = match interpolation {
naga::Interpolation::Perspective | naga::Interpolation::Linear => "f32",
naga::Interpolation::Flat => "u32",
};
let interpolate_attr = format!("@interpolate({interpolation_str}{sampling_str})");
let source = format!(
"\
struct VertexOutput {{
let interpolate_attr = format!("@interpolate({interpolation_str}{sampling_str})");
let source = format!(
"\
struct VertexOutput {{
@location(0) {interpolate_attr} member: {member_type},
}}
@ -478,14 +484,15 @@ fn main(input: VertexOutput) {{
// ...
}}
"
);
let module = naga::front::wgsl::parse_str(&source).unwrap();
);
let module = naga::front::wgsl::parse_str(&source).unwrap();
Self {
source,
module,
interpolate_attr,
entry_point: "main",
Self {
source,
module,
interpolate_attr,
entry_point: "main",
}
}
}
}