From 7c7fbd572874bdbb3e6f965da3abb918013e1ac8 Mon Sep 17 00:00:00 2001
From: Yong He <yonghe@outlook.com>
Date: Mon, 11 Mar 2024 14:52:16 -0700
Subject: Add `-fvk-use-dx-position-w` and fix ExecutionMode ordering for
 geometry shaders. (#3731)

* Add `-fvk-use-dx-position-w`.

* Fix ordering of OutputVertices and output primitive type decoration in spirv.

* Fix.

* fix

* Fix.

* Move test around.
---
 source/slang/slang-emit.cpp | 2 ++
 1 file changed, 2 insertions(+)

(limited to 'source/slang/slang-emit.cpp')

diff --git a/source/slang/slang-emit.cpp b/source/slang/slang-emit.cpp
index 5ec6fa62a..0ec9b0c1a 100644
--- a/source/slang/slang-emit.cpp
+++ b/source/slang/slang-emit.cpp
@@ -934,6 +934,8 @@ Result linkAndOptimizeIR(
         legalizeUniformBufferLoad(irModule);
         if (targetProgram->getOptionSet().getBoolOption(CompilerOptionName::VulkanInvertY))
             invertYOfPositionOutput(irModule);
+        if (targetProgram->getOptionSet().getBoolOption(CompilerOptionName::VulkanUseDxPositionW))
+            rcpWOfPositionInput(irModule);
     }
 
     // Lower sizeof/alignof
-- 
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