add Capabilities::MULTIVIEW

src/valid/interface.rs

@@ -140,6 +140,7 @@ impl VaryingContext<'_> {
                     Bi::ClipDistance => Capabilities::CLIP_DISTANCE,
                     Bi::CullDistance => Capabilities::CULL_DISTANCE,
                     Bi::PrimitiveIndex => Capabilities::PRIMITIVE_INDEX,
+                    Bi::ViewIndex => Capabilities::MULTIVIEW,
                     _ => Capabilities::empty(),
                 };
                 if !self.capabilities.contains(required) {

src/valid/mod.rs

@@ -106,6 +106,8 @@ bitflags::bitflags! {
         const CULL_DISTANCE = 0x80;
         /// Support for 16-bit normalized storage texture formats.
         const STORAGE_TEXTURE_16BIT_NORM_FORMATS = 0x100;
+        /// Support for [`BuiltIn::ViewIndex`].
+        const MULTIVIEW = 0x200;
     }
 }
 

tests/in/multiview.param.ron

@@ -1,3 +1,4 @@
 (
+	god_mode: true,
 	glsl_multiview: Some(2),
 )

tests/in/multiview_webgl.param.ron

@@ -1,4 +1,5 @@
 (
+	god_mode: true,
     glsl: (
 		version: Embedded (
             version: 300,