rusticl: nir bindings

Signed-off-by: Karol Herbst <kherbst@redhat.com>
Acked-by: Alyssa Rosenzweig <alyssa.rosenzweig@collabora.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/15439>

src/compiler/nir/meson.build

@@ -372,10 +372,12 @@ _libnir = static_library(
   build_by_default : false,
 )
 
+inc_nir = include_directories('.')
+
 # Headers-only dependency
 idep_nir_headers = declare_dependency(
   sources : [nir_opcodes_h, nir_builder_opcodes_h, nir_intrinsics_h, nir_intrinsics_indices_h],
-  include_directories : include_directories('.'),
+  include_directories : inc_nir,
 )
 
 # Also link with nir

src/gallium/frontends/rusticl/mesa/compiler/mod.rs

@@ -1 +1,2 @@
 pub mod clc;
+pub mod nir;

src/gallium/frontends/rusticl/mesa/compiler/nir.rs

@@ -0,0 +1,15 @@
+extern crate mesa_rust_gen;
+
+use self::mesa_rust_gen::*;
+
+use std::ptr::NonNull;
+
+pub struct NirShader {
+    nir: NonNull<nir_shader>,
+}
+
+impl Drop for NirShader {
+    fn drop(&mut self) {
+        unsafe { ralloc_free(self.nir.as_ptr().cast()) };
+    }
+}

src/gallium/frontends/rusticl/meson.build

@@ -31,6 +31,7 @@ libmesa_rust_util_files = files(
 libmesa_rust_files = files(
   'mesa/lib.rs',
   'mesa/compiler/mod.rs',
+  'mesa/compiler/nir.rs',
   'mesa/compiler/clc/mod.rs',
   'mesa/compiler/clc/spirv.rs',
   'mesa/pipe/context.rs',
@@ -167,16 +168,20 @@ rusticl_mesa_bindings_rs = rust.bindgen(
   input : 'rusticl_mesa_bindings.h',
   output : 'rusticl_mesa_bindings.rs',
   include_directories : [
+    inc_compiler,
     inc_gallium,
     inc_gallium_aux,
     inc_include,
+    inc_nir,
     inc_src,
   ],
   c_args : pre_args,
   args : [
     rusticl_bindgen_args,
     '--whitelist-function', 'clc_.*',
+    '--whitelist-function', 'nir_.*',
     '--whitelist-function', 'pipe_.*',
+    '--whitelist-function', 'ralloc_.*',
     '--whitelist-type', 'pipe_endian',
     '--whitelist-type', 'clc_kernel_arg_access_qualifier',
     '--bitfield-enum', 'clc_kernel_arg_access_qualifier',

src/gallium/frontends/rusticl/rusticl_mesa_bindings.h

@@ -2,6 +2,8 @@
 
 #include "compiler/clc/clc.h"
 
+#include "nir.h"
+
 #include "pipe/p_context.h"
 #include "pipe/p_defines.h"
 #include "pipe/p_screen.h"