From 6f2ce72b038b34e84819ddfc5d658166ed879eaa Mon Sep 17 00:00:00 2001
From: Yong He <yonghe@outlook.com>
Date: Thu, 27 Feb 2025 16:57:52 -0800
Subject: Map `SV_InstanceID` to `gl_InstanceIndex-gl_BaseInstance` (#6468)

* Map `SV_InstanceID` to `gl_InstanceIndex-gl_BaseInstance`

* Fix ci.
---
 source/slang/slang-compiler.cpp | 22 ++++++++++++++++++++++
 1 file changed, 22 insertions(+)

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

diff --git a/source/slang/slang-compiler.cpp b/source/slang/slang-compiler.cpp
index 04ebb753c..58cc55e71 100644
--- a/source/slang/slang-compiler.cpp
+++ b/source/slang/slang-compiler.cpp
@@ -16,6 +16,8 @@
 #include "slang-check-impl.h"
 #include "slang-check.h"
 
+#include <chrono>
+
 // Artifact
 #include "../compiler-core/slang-artifact-associated.h"
 #include "../compiler-core/slang-artifact-container-util.h"
@@ -1835,6 +1837,26 @@ SlangResult CodeGenContext::_emitEntryPoints(ComPtr<IArtifact>& outArtifact)
     return SLANG_FAIL;
 }
 
+// Helper class for recording compile time.
+struct CompileTimerRAII
+{
+    std::chrono::high_resolution_clock::time_point startTime;
+    Session* session;
+    CompileTimerRAII(Session* inSession)
+    {
+        startTime = std::chrono::high_resolution_clock::now();
+        session = inSession;
+    }
+    ~CompileTimerRAII()
+    {
+        double elapsedTime = std::chrono::duration_cast<std::chrono::microseconds>(
+                                 std::chrono::high_resolution_clock::now() - startTime)
+                                 .count() /
+                             1e6;
+        session->addTotalCompileTime(elapsedTime);
+    }
+};
+
 // Do emit logic for a zero or more entry points
 SlangResult CodeGenContext::emitEntryPoints(ComPtr<IArtifact>& outArtifact)
 {
-- 
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