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[wgsl-in] Add basic test for interpolate attribute.

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This commit is contained in:
Jim Blandy
2021-04-09 14:58:14 -07:00
committed by Dzmitry Malyshau
parent 3f958f618b
commit 2eb3e81e19
8 changed files with 313 additions and 3 deletions
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6
src/back/glsl/features.rs
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@@ -26,7 +26,7 @@ bitflags::bitflags! {
const TEXTURE_1D = 1 << 10;
/// Interpolation and auxiliary qualifiers. Perspective, Flat, and
/// Centroid are available in all GLSL versions we support.
const LINEAR_QUALIFIER = 1 << 11;
const NOPERSPECTIVE_QUALIFIER = 1 << 11;
const SAMPLE_QUALIFIER = 1 << 12;
}
}
@@ -88,7 +88,7 @@ impl FeaturesManager {
// 1D textures are supported by all core versions and aren't supported by an es versions
// so use 0 that way the check will always be false and can be optimized away
check_feature!(TEXTURE_1D, 0);
check_feature!(LINEAR_QUALIFIER, 130);
check_feature!(NOPERSPECTIVE_QUALIFIER, 130);
check_feature!(SAMPLE_QUALIFIER, 400, 320);
// Return an error if there are missing features
@@ -290,7 +290,7 @@ impl<'a, W> Writer<'a, W> {
_ => {
if let Some(&Binding::Location(_, Some(interpolation))) = binding {
match interpolation {
Interpolation::Linear => self.features.request(Features::LINEAR_QUALIFIER),
Interpolation::Linear => self.features.request(Features::NOPERSPECTIVE_QUALIFIER),
Interpolation::Sample => self.features.request(Features::SAMPLE_QUALIFIER),
_ => ()
};