From 15a784689e648e3ca68f58c5faf20ec936e56e72 Mon Sep 17 00:00:00 2001
From: Christian Gmeiner <cgmeiner@igalia.com>
Date: Wed, 17 Apr 2024 11:04:33 +0200
Subject: [PATCH] etnaviv: isa: Generate Rust FFI bindings for asm.h

We will work with etna_inst_* structs in Rust.

Signed-off-by: Christian Gmeiner <cgmeiner@igalia.com>
Reviewed-by: @LingMan
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/28869>
---
 src/etnaviv/isa/bindings.h  |  8 ++++++++
 src/etnaviv/isa/meson.build | 29 +++++++++++++++++++++++++++++
 2 files changed, 37 insertions(+)
 create mode 100644 src/etnaviv/isa/bindings.h

diff --git a/src/etnaviv/isa/bindings.h b/src/etnaviv/isa/bindings.h
new file mode 100644
index 00000000000..3089ed5307a
--- /dev/null
+++ b/src/etnaviv/isa/bindings.h
@@ -0,0 +1,8 @@
+/*
+ * Copyright © 2024 Igalia S.L.
+ * SPDX-License-Identifier: MIT
+ */
+
+#pragma once
+
+#include "asm.h"
diff --git a/src/etnaviv/isa/meson.build b/src/etnaviv/isa/meson.build
index b9812839e8f..3bd78faa7f3 100644
--- a/src/etnaviv/isa/meson.build
+++ b/src/etnaviv/isa/meson.build
@@ -90,4 +90,33 @@ disasm = executable(
   install: false,
 )
 
+if with_tools.contains('etnaviv')
+  add_languages('rust', required: true)
+  rust = import('rust')
+
+  isa_bindings_rs = rust.bindgen(
+    input : 'bindings.h',
+    output : 'isa_bindings.rs',
+    include_directories : [inc_src],
+    args : [
+      '--disable-header-comment',
+      '--ignore-functions',
+      '--allowlist-type', 'etna_inst',
+      '--allowlist-type', 'isa_swiz',
+      '--default-enum-style', 'rust',
+      '--with-derive-default',
+    ],
+  )
+
+  _libetnaviv_isa_bindings_gen = static_library(
+    'isa_bindings',
+    isa_bindings_rs,
+    gnu_symbol_visibility : 'hidden',
+    rust_abi : 'rust',
+    rust_args: [
+      '-Anon_camel_case_types',
+    ],
+  )
+endif
+
 subdir('tests')