From f090fe76a7dd061f8ff68ae60e0a1d1cf345792c Mon Sep 17 00:00:00 2001
From: jbikker <bikker.j@gmail.com>
Date: Thu, 12 Dec 2024 20:46:10 +0100
Subject: [PATCH] Replace OpenMP in pt with C++11 threads.

---
 README.md                    | 4 ++--
 vcproj/tiny_bvh_anim.vcxproj | 2 --
 vcproj/tiny_bvh_pt.vcxproj   | 2 --
 3 files changed, 2 insertions(+), 6 deletions(-)

diff --git a/README.md b/README.md
index 2c93294..be1aada 100644
--- a/README.md
+++ b/README.md
@@ -63,9 +63,9 @@ The cross-platform fenster-based single-source **bitmap renderer** can be compil
 
 ```g++ -std=c++20 -mavx -O3 -framework Cocoa tiny_bvh_fenster.cpp -o tiny_bvh_fenster``` (on macOS)
 
-The multi-threaded **ambient occlusion** demo can be compiled with
+The multi-threaded **path tracing** demo can be compiled with
 
-````g++ -std=c++20 -mavx -mwindows -fopenmp -O3 tiny_bvh_pt.cpp -o tiny_bvh_pt```` (on windows)
+````g++ -std=c++20 -mavx -mwindows -O3 tiny_bvh_pt.cpp -o tiny_bvh_pt```` (on windows)
 
 The **performance measurement tool** uses OpenMP and can be compiled with:
 
diff --git a/vcproj/tiny_bvh_anim.vcxproj b/vcproj/tiny_bvh_anim.vcxproj
index 5e90301..c084f12 100644
--- a/vcproj/tiny_bvh_anim.vcxproj
+++ b/vcproj/tiny_bvh_anim.vcxproj
@@ -118,7 +118,6 @@
       <ConformanceMode>true</ConformanceMode>
       <LanguageStandard>stdcpp20</LanguageStandard>
       <AdditionalIncludeDirectories>..\external\embree\include</AdditionalIncludeDirectories>
-      <OpenMPSupport>false</OpenMPSupport>
     </ClCompile>
     <Link>
       <SubSystem>Windows</SubSystem>
@@ -137,7 +136,6 @@
       <ConformanceMode>true</ConformanceMode>
       <LanguageStandard>stdcpp20</LanguageStandard>
       <AdditionalIncludeDirectories>..\external\embree\include</AdditionalIncludeDirectories>
-      <OpenMPSupport>true</OpenMPSupport>
       <Optimization>Full</Optimization>
       <FavorSizeOrSpeed>Speed</FavorSizeOrSpeed>
       <EnableEnhancedInstructionSet>AdvancedVectorExtensions</EnableEnhancedInstructionSet>
diff --git a/vcproj/tiny_bvh_pt.vcxproj b/vcproj/tiny_bvh_pt.vcxproj
index a47f1c0..2f582b1 100644
--- a/vcproj/tiny_bvh_pt.vcxproj
+++ b/vcproj/tiny_bvh_pt.vcxproj
@@ -118,7 +118,6 @@
       <ConformanceMode>true</ConformanceMode>
       <LanguageStandard>stdcpp20</LanguageStandard>
       <AdditionalIncludeDirectories>..\external\embree\include</AdditionalIncludeDirectories>
-      <OpenMPSupport>false</OpenMPSupport>
     </ClCompile>
     <Link>
       <SubSystem>Windows</SubSystem>
@@ -137,7 +136,6 @@
       <ConformanceMode>true</ConformanceMode>
       <LanguageStandard>stdcpp20</LanguageStandard>
       <AdditionalIncludeDirectories>..\external\embree\include</AdditionalIncludeDirectories>
-      <OpenMPSupport>true</OpenMPSupport>
       <Optimization>Full</Optimization>
       <FavorSizeOrSpeed>Speed</FavorSizeOrSpeed>
       <EnableEnhancedInstructionSet>AdvancedVectorExtensions</EnableEnhancedInstructionSet>