From be06998c5153f7f9731f3a322ede4cf9e58e4b3d Mon Sep 17 00:00:00 2001
From: Pankaj Mistry <63069047+pmistryNV@users.noreply.github.com>
Date: Tue, 19 Dec 2023 15:00:04 -0800
Subject: Lower sv_vertexid to decoration VertexIndex as defined in
 GL_KHR_vulkan_glsl (#3419)

---
 source/slang/slang-emit-spirv.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

(limited to 'source')

diff --git a/source/slang/slang-emit-spirv.cpp b/source/slang/slang-emit-spirv.cpp
index 5939754e0..aa277cfba 100644
--- a/source/slang/slang-emit-spirv.cpp
+++ b/source/slang/slang-emit-spirv.cpp
@@ -3137,7 +3137,7 @@ struct SPIRVEmitContext
                 }
                 else if (semanticName == "sv_vertexid")
                 {
-                    return getBuiltinGlobalVar(inst->getFullType(), SpvBuiltInVertexId);
+                    return getBuiltinGlobalVar(inst->getFullType(), SpvBuiltInVertexIndex);
                 }
                 else if (semanticName == "sv_viewid")
                 {
-- 
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