From 54394d3a2133906f03a2dcf8b64b5ec2571c8b87 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Micha=C5=82=20Janiszewski?= <janisozaur+signed@gmail.com>
Date: Tue, 19 Dec 2017 23:02:04 +0100
Subject: [PATCH] Enable SSE4.1 for file implementing it

---
 CMakeLists.txt              | 11 +++++++++++
 src/openrct2/CMakeLists.txt |  4 ++++
 2 files changed, 15 insertions(+)

diff --git a/CMakeLists.txt b/CMakeLists.txt
index 81a35cf8c9..4080a08143 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -113,6 +113,17 @@ else()
 	message("No discord-rpc detected, to enable clone discord-rpc to root directory: ${ROOT_DIR}")
 endif()
 
+# Copied from https://github.com/opencv/opencv/blob/dcdd6af5a856826fe62c95322145731e702e54c5/cmake/OpenCVDetectCXXCompiler.cmake#L63-L70
+if(MSVC64 OR MINGW64)
+    set(X86_64 1)
+elseif(MINGW OR (MSVC AND NOT CMAKE_CROSSCOMPILING))
+    set(X86 1)
+elseif(CMAKE_SYSTEM_PROCESSOR MATCHES "amd64.*|x86_64.*|AMD64.*")
+    set(X86_64 1)
+elseif(CMAKE_SYSTEM_PROCESSOR MATCHES "i686.*|i386.*|x86.*|amd64.*|AMD64.*")
+    set(X86 1)
+endif()
+
 # Include sub-projects
 include("${ROOT_DIR}/src/openrct2/CMakeLists.txt" NO_POLICY_SCOPE)
 include("${ROOT_DIR}/src/openrct2-cli/CMakeLists.txt" NO_POLICY_SCOPE)
diff --git a/src/openrct2/CMakeLists.txt b/src/openrct2/CMakeLists.txt
index cdc4cbd617..a12fa8c5b6 100644
--- a/src/openrct2/CMakeLists.txt
+++ b/src/openrct2/CMakeLists.txt
@@ -207,3 +207,7 @@ if (NOT OPENRCT2_COMMIT_SHA1_SHORT STREQUAL "HEAD")
     ${CMAKE_CURRENT_LIST_DIR}/Crash/Platform.cpp PROPERTY
     COMPILE_DEFINITIONS OPENRCT2_COMMIT_SHA1_SHORT="${OPENRCT2_COMMIT_SHA1_SHORT}")
 endif()
+
+if(X86 OR X86_64)
+set_source_files_properties(${CMAKE_CURRENT_LIST_DIR}/drawing/SSE41Drawing.cpp PROPERTIES COMPILE_FLAGS -msse4.1)
+endif()