From 85b0259307706119d5fe9a2a3d7938e064499c1d Mon Sep 17 00:00:00 2001
From: Ali Cheraghi <alichraghi@proton.me>
Date: Sat, 27 Jun 2026 12:00:24 +0330
Subject: [PATCH] Target: chain spirv versions

---
 lib/std/Target/spirv.zig      | 24 ++++++++++++++++++------
 tools/update_cpu_features.zig | 15 ++++++++++++++-
 2 files changed, 32 insertions(+), 7 deletions(-)

diff --git a/lib/std/Target/spirv.zig b/lib/std/Target/spirv.zig
index 90d43cdbad5a9ccc699f94e5f53483ec94d7e502..ecd3c056cf329c5c392807d19b18ba6dd36d361b 100644
--- a/lib/std/Target/spirv.zig
+++ b/lib/std/Target/spirv.zig
@@ -1766,32 +1766,44 @@ pub const all_features = blk: {
     result[@intFromEnum(Feature.v1_1)] = .{
         .llvm_name = null,
         .description = "Enable v1_1 Extension.",
-        .dependencies = featureSet(&[_]Feature{}),
+        .dependencies = featureSet(&[_]Feature{
+            .v1_0,
+        }),
     };
     result[@intFromEnum(Feature.v1_2)] = .{
         .llvm_name = null,
         .description = "Enable v1_2 Extension.",
-        .dependencies = featureSet(&[_]Feature{}),
+        .dependencies = featureSet(&[_]Feature{
+            .v1_1,
+        }),
     };
     result[@intFromEnum(Feature.v1_3)] = .{
         .llvm_name = null,
         .description = "Enable v1_3 Extension.",
-        .dependencies = featureSet(&[_]Feature{}),
+        .dependencies = featureSet(&[_]Feature{
+            .v1_2,
+        }),
     };
     result[@intFromEnum(Feature.v1_4)] = .{
         .llvm_name = null,
         .description = "Enable v1_4 Extension.",
-        .dependencies = featureSet(&[_]Feature{}),
+        .dependencies = featureSet(&[_]Feature{
+            .v1_3,
+        }),
     };
     result[@intFromEnum(Feature.v1_5)] = .{
         .llvm_name = null,
         .description = "Enable v1_5 Extension.",
-        .dependencies = featureSet(&[_]Feature{}),
+        .dependencies = featureSet(&[_]Feature{
+            .v1_4,
+        }),
     };
     result[@intFromEnum(Feature.v1_6)] = .{
         .llvm_name = null,
         .description = "Enable v1_6 Extension.",
-        .dependencies = featureSet(&[_]Feature{}),
+        .dependencies = featureSet(&[_]Feature{
+            .v1_5,
+        }),
     };
     result[@intFromEnum(Feature.variable_pointers)] = .{
         .llvm_name = null,
diff --git a/tools/update_cpu_features.zig b/tools/update_cpu_features.zig
index 42432c0c36f48c831524773b882d1da75caaa723..7ee0fb9af538dc8aec13ec7cd98ac7d471f13299 100644
--- a/tools/update_cpu_features.zig
+++ b/tools/update_cpu_features.zig
@@ -80,7 +80,20 @@ const spirv_extra_features = blk: {
         feature.* = .{
             .zig_name = name,
             .desc = "Enable " ++ name ++ " extension",
-            .deps = &.{},
+            .deps = if (std.mem.eql(u8, name, "v1_6"))
+                &.{"v1_5"}
+            else if (std.mem.eql(u8, name, "v1_5"))
+                &.{"v1_4"}
+            else if (std.mem.eql(u8, name, "v1_4"))
+                &.{"v1_3"}
+            else if (std.mem.eql(u8, name, "v1_3"))
+                &.{"v1_2"}
+            else if (std.mem.eql(u8, name, "v1_2"))
+                &.{"v1_1"}
+            else if (std.mem.eql(u8, name, "v1_1"))
+                &.{"v1_0"}
+            else
+                &.{},
         };
     }
 
-- 
2.54.0