From f72ae4c43f7392285027bb977f197035b51d87f4 Mon Sep 17 00:00:00 2001
From: Jessica Hawkwell <jlhawkwell@ladyserenakitty.com>
Date: Tue, 6 Feb 2024 04:05:25 -0600
Subject: [PATCH] These things here work on FreeBSD

---
 BuildTools/CMakeLists.txt                         |  4 ----
 CMakeLists.txt                                    | 14 +++++++++++++-
 Platforms/Linux/src/LinuxPlatformMisc.cpp         |  4 ++++
 ThirdParty/DirectXShaderCompiler/dxc/WinAdapter.h |  2 ++
 4 files changed, 19 insertions(+), 5 deletions(-)

diff --git a/BuildTools/CMakeLists.txt b/BuildTools/CMakeLists.txt
index 539bfb4c0..1326031ec 100644
--- a/BuildTools/CMakeLists.txt
+++ b/BuildTools/CMakeLists.txt
@@ -9,7 +9,3 @@ elseif(CMAKE_HOST_SYSTEM_NAME STREQUAL "Linux")
 elseif(CMAKE_HOST_SYSTEM_NAME STREQUAL "Darwin")
     set(CLANG_FORMAT_EXECUTABLE "${CMAKE_CURRENT_SOURCE_DIR}/FormatValidation/clang-format_mac_10.0.0" CACHE INTERNAL "clang-format executable path")
 endif()
-
-if (NOT EXISTS ${CLANG_FORMAT_EXECUTABLE})
-    message(FATAL_ERROR "clang-format executable is not found.")
-endif()
diff --git a/CMakeLists.txt b/CMakeLists.txt
index 1fb18ddd5..80bb7f9a2 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -125,6 +125,10 @@ else()
     elseif(${CMAKE_SYSTEM_NAME} STREQUAL "Linux")
         set(PLATFORM_LINUX TRUE CACHE INTERNAL "Target platform: Linux")
         message("Target platform: Linux " ${ARCH})
+    elseif(${CMAKE_SYSTEM_NAME} STREQUAL "FreeBSD")
+        set(PLATFORM_LINUX TRUE CACHE INTERNAL "Target platform: Linux")
+        set(PLATFORM_FREEBSD TRUE CACHE INTERNAL "Target platform: FreeBSD")
+        message("Target platform: FreeBSD " ${ARCH})
     elseif(${CMAKE_SYSTEM_NAME} STREQUAL "Darwin")
         if(IOS)
             set(PLATFORM_IOS TRUE CACHE INTERNAL "Target platform: iOS")
@@ -197,7 +201,11 @@ elseif(PLATFORM_LINUX)
     set(GL_SUPPORTED       TRUE CACHE INTERNAL "OpenGL is supported on Linux platform")
     set(VULKAN_SUPPORTED   TRUE CACHE INTERNAL "Vulkan is supported on Linux platform")
     set(ARCHIVER_SUPPORTED TRUE CACHE INTERNAL "Archiver is supported on Linux platform")
-    target_compile_definitions(Diligent-PublicBuildSettings INTERFACE PLATFORM_LINUX=1)
+    if(PLATFORM_FREEBSD)
+        target_compile_definitions(Diligent-PublicBuildSettings INTERFACE PLATFORM_LINUX=1 PLATFORM_FREEBSD=1)
+    else()
+        target_compile_definitions(Diligent-PublicBuildSettings INTERFACE PLATFORM_LINUX=1)
+    endif()
 elseif(PLATFORM_MACOS)
     set(GL_SUPPORTED       TRUE CACHE INTERNAL "OpenGL is supported on MacOS platform")
     set(VULKAN_SUPPORTED   TRUE CACHE INTERNAL "Vulkan is enabled through MoltenVK on MacOS platform")
@@ -514,6 +522,10 @@ else()
     set(DILIGENT_INSTALL_PDB OFF)
 endif()
 
+if(PLATFORM_FREEBSD AND EXISTS /usr/local/include)
+    target_include_directories(Diligent-BuildSettings SYSTEM AFTER INTERFACE /usr/local/include)
+endif()
+
 file(RELATIVE_PATH DILIGENT_CORE_DIR "${CMAKE_SOURCE_DIR}" "${CMAKE_CURRENT_SOURCE_DIR}")
 SET(DILIGENT_CORE_DIR ${DILIGENT_CORE_DIR} CACHE INTERNAL "Diligent Core installation directory")
 
diff --git a/Platforms/Linux/src/LinuxPlatformMisc.cpp b/Platforms/Linux/src/LinuxPlatformMisc.cpp
index e522d7f57..d2f70f883 100644
--- a/Platforms/Linux/src/LinuxPlatformMisc.cpp
+++ b/Platforms/Linux/src/LinuxPlatformMisc.cpp
@@ -28,6 +28,10 @@
 
 #include <pthread.h>
 
+#ifdef PLATFORM_FREEBSD
+#    include <pthread_np.h>
+#endif
+
 namespace Diligent
 {
 
diff --git a/ThirdParty/DirectXShaderCompiler/dxc/WinAdapter.h b/ThirdParty/DirectXShaderCompiler/dxc/WinAdapter.h
index 2872d7b05..0cb36cd97 100644
--- a/ThirdParty/DirectXShaderCompiler/dxc/WinAdapter.h
+++ b/ThirdParty/DirectXShaderCompiler/dxc/WinAdapter.h
@@ -286,7 +286,9 @@
 #define __stdcall
 #define __vectorcall
 #define __thiscall
+#ifndef PLATFORM_FREEBSD
 #define __fastcall
+#endif
 #define __clrcall
 #endif // __GNUC__