[spv-out] require ClipDistance & CullDistance capabilities if necessa…

…ry (#2528)
gfx-rs · Oct 3, 2023 · 613da72 · 613da72
1 parent 9f3cdb6
commit 613da72
Showing 1 changed file with 14 additions and 2 deletions.
diff --git a/src/back/spv/writer.rs b/src/back/spv/writer.rs
@@ -1514,8 +1514,20 @@ impl Writer {
                     // vertex
                     Bi::BaseInstance => BuiltIn::BaseInstance,
                     Bi::BaseVertex => BuiltIn::BaseVertex,
-                    Bi::ClipDistance => BuiltIn::ClipDistance,
-                    Bi::CullDistance => BuiltIn::CullDistance,
+                    Bi::ClipDistance => {
+                        self.require_any(
+                            "`clip_distance` built-in",
+                            &[spirv::Capability::ClipDistance],
+                        )?;
+                        BuiltIn::ClipDistance
+                    }
+                    Bi::CullDistance => {
+                        self.require_any(
+                            "`cull_distance` built-in",
+                            &[spirv::Capability::CullDistance],
+                        )?;
+                        BuiltIn::CullDistance
+                    }
                     Bi::InstanceIndex => BuiltIn::InstanceIndex,
                     Bi::PointSize => BuiltIn::PointSize,
                     Bi::VertexIndex => BuiltIn::VertexIndex,