1 files changed, 52 insertions, 0 deletions
diff --git a/third_party/rust/naga/src/back/spv/mod.rs b/third_party/rust/naga/src/back/spv/mod.rs
new file mode 100644
index 0000000000..15f1598357
--- /dev/null
+++ b/third_party/rust/naga/src/back/spv/mod.rs
@@ -0,0 +1,52 @@
+mod helpers;
+mod instructions;
+mod layout;
+mod writer;
+
+#[cfg(test)]
+mod test_framework;
+
+#[cfg(test)]
+mod layout_tests;
+
+pub use writer::Writer;
+
+use spirv::*;
+
+bitflags::bitflags! {
+    pub struct WriterFlags: u32 {
+        const NONE = 0x0;
+        const DEBUG = 0x1;
+    }
+}
+
+struct PhysicalLayout {
+    magic_number: Word,
+    version: Word,
+    generator: Word,
+    bound: Word,
+    instruction_schema: Word,
+}
+
+#[derive(Default)]
+struct LogicalLayout {
+    capabilities: Vec<Word>,
+    extensions: Vec<Word>,
+    ext_inst_imports: Vec<Word>,
+    memory_model: Vec<Word>,
+    entry_points: Vec<Word>,
+    execution_modes: Vec<Word>,
+    debugs: Vec<Word>,
+    annotations: Vec<Word>,
+    declarations: Vec<Word>,
+    function_declarations: Vec<Word>,
+    function_definitions: Vec<Word>,
+}
+
+pub(self) struct Instruction {
+    op: Op,
+    wc: u32,
+    type_id: Option<Word>,
+    result_id: Option<Word>,
+    operands: Vec<Word>,
+}