From 297417c754961d2c1c3f8a2e94126c668e4574bc Mon Sep 17 00:00:00 2001
From: Darren Wihandi <65404740+fairywreath@users.noreply.github.com>
Date: Thu, 17 Apr 2025 02:02:55 -0600
Subject: Fix SV_InstanceID for emit-spirv-via-glsl path (#6848)

---
 source/slang/slang-ir-glsl-legalize.cpp | 1 +
 1 file changed, 1 insertion(+)

(limited to 'source/slang')

diff --git a/source/slang/slang-ir-glsl-legalize.cpp b/source/slang/slang-ir-glsl-legalize.cpp
index eb101de86..ada34f220 100644
--- a/source/slang/slang-ir-glsl-legalize.cpp
+++ b/source/slang/slang-ir-glsl-legalize.cpp
@@ -627,6 +627,7 @@ GLSLSystemValueInfo* getGLSLSystemValueInfo(
         name = "gl_InstanceIndex";
         targetVarName = IRTargetBuiltinVarName::HlslInstanceID;
         context->requireSPIRVVersion(SemanticVersion(1, 3));
+        context->requireGLSLVersion(ProfileVersion::GLSL_460);
         context->requireGLSLExtension(toSlice("GL_ARB_shader_draw_parameters"));
     }
     else if (semanticName == "sv_isfrontface")
-- 
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