Added SSE detection

README.md

@@ -218,14 +218,25 @@ The included sample WAV file is made from the [Falling Mate ringtone](http://bre
 
 The included Unit Test Framework [greatest](https://github.com/silentbicycle/greatest/) by Scott Vokes is licensed under the [ISC License](http://www.isc.org/downloads/software-support-policy/isc-license/).
 
-The included cmake scripts [FindALUT](https://github.com/rpavlik/cmake-modules/blob/master/FindALUT.cmake), [FindSDL2](https://github.com/dhewm/dhewm3/blob/master/neo/sys/cmake/FindSDL2.cmake) and [FindSDL2TTF](https://github.com/Deraen/ohj2710/blob/master/cmake_modules/FindSDL2TTF.cmake) are released under the Boost Software License (for FindALUT) and under the BSD License for the other two. Authors: Ryan Pavlik, Iowa State University, Eric Wing and Kitware Inc.
+There are some included cmake scripts:
+
+* [FindALUT](https://github.com/rpavlik/cmake-modules/blob/master/FindALUT.cmake)
+* [FindSDL2](https://github.com/dhewm/dhewm3/blob/master/neo/sys/cmake/FindSDL2.cmake)
+* [FindSDL2TTF](https://github.com/Deraen/ohj2710/blob/master/cmake_modules/FindSDL2TTF.cmake)
+* [FindSSE](https://gitorious.org/vc/vc/source/a1d8b9fc31060d870386613cc72319546c850b87:cmake/FindSSE.cmake)
+
+See the respective files in `cmake` for their licensing.
+
+* Copyright 2009-2010 Ryan Pavlik <rpavlik@iastate.edu> <abiryan@ryand.net>, Iowa State University, Distributed under the Boost Software License.
+* Copyright 2003-2009 Kitware, Inc.
+* Eric Wing
 
 OpenRaider is based on code, specs, and alogrithms from:
 
-+ GooseEgg/Freyja 3d Modelers by Mongoose
-+ TR Rosetta Stone spec sheet by Anonymous
-+ TRView 1.0.0 by Yuri Zhivago, with patches by Mongoose
+* GooseEgg/Freyja 3d Modelers by Mongoose
+* TR Rosetta Stone spec sheet by Anonymous
+* TRView 1.0.0 by Yuri Zhivago, with patches by Mongoose
 
 All code should be GPLed, unless otherwise noted.
 
-2013, 2014 improvements & clean-up by xythobuz.
+2013, 2014 improvements, clean-up by xythobuz.

cmake/FindSSE.cmake

@@ -0,0 +1,124 @@
+# Check if SSE instructions are available on the machine where 
+# the project is compiled.
+
+IF(CMAKE_SYSTEM_NAME MATCHES "Linux")
+    EXEC_PROGRAM(cat ARGS "/proc/cpuinfo" OUTPUT_VARIABLE CPUINFO)
+
+    # TODO
+    set(SSE_FOUND true CACHE BOOL "SSE available on host")
+
+    STRING(REGEX REPLACE "^.*(sse2).*$" "\\1" SSE_THERE ${CPUINFO})
+    STRING(COMPARE EQUAL "sse2" "${SSE_THERE}" SSE2_TRUE)
+    IF (SSE2_TRUE)
+        set(SSE2_FOUND true CACHE BOOL "SSE2 available on host")
+    ELSE (SSE2_TRUE)
+        set(SSE2_FOUND false CACHE BOOL "SSE2 available on host")
+    ENDIF (SSE2_TRUE)
+
+    # /proc/cpuinfo apparently omits sse3 :(
+    STRING(REGEX REPLACE "^.*[^s](sse3).*$" "\\1" SSE_THERE ${CPUINFO})
+    STRING(COMPARE EQUAL "sse3" "${SSE_THERE}" SSE3_TRUE)
+    IF (NOT SSE3_TRUE)
+        STRING(REGEX REPLACE "^.*(T2300).*$" "\\1" SSE_THERE ${CPUINFO})
+        STRING(COMPARE EQUAL "T2300" "${SSE_THERE}" SSE3_TRUE)
+    ENDIF (NOT SSE3_TRUE)
+
+    STRING(REGEX REPLACE "^.*(ssse3).*$" "\\1" SSE_THERE ${CPUINFO})
+    STRING(COMPARE EQUAL "ssse3" "${SSE_THERE}" SSSE3_TRUE)
+    IF (SSE3_TRUE OR SSSE3_TRUE)
+        set(SSE3_FOUND true CACHE BOOL "SSE3 available on host")
+    ELSE (SSE3_TRUE OR SSSE3_TRUE)
+        set(SSE3_FOUND false CACHE BOOL "SSE3 available on host")
+    ENDIF (SSE3_TRUE OR SSSE3_TRUE)
+    IF (SSSE3_TRUE)
+        set(SSSE3_FOUND true CACHE BOOL "SSSE3 available on host")
+    ELSE (SSSE3_TRUE)
+        set(SSSE3_FOUND false CACHE BOOL "SSSE3 available on host")
+    ENDIF (SSSE3_TRUE)
+
+    STRING(REGEX REPLACE "^.*(sse4_1).*$" "\\1" SSE_THERE ${CPUINFO})
+    STRING(COMPARE EQUAL "sse4_1" "${SSE_THERE}" SSE41_TRUE)
+    IF (SSE41_TRUE)
+        set(SSE4_1_FOUND true CACHE BOOL "SSE4.1 available on host")
+    ELSE (SSE41_TRUE)
+        set(SSE4_1_FOUND false CACHE BOOL "SSE4.1 available on host")
+    ENDIF (SSE41_TRUE)
+ELSEIF(CMAKE_SYSTEM_NAME MATCHES "Darwin")
+    EXEC_PROGRAM("/usr/sbin/sysctl -n machdep.cpu.features" OUTPUT_VARIABLE
+        CPUINFO)
+
+    STRING(REGEX REPLACE "^.*[^S](SSE).*$" "\\1" SSE_THERE ${CPUINFO})
+    STRING(COMPARE EQUAL "SSE" "${SSE_THERE}" SSE_TRUE)
+    IF (SSE_TRUE)
+        set(SSE_FOUND true CACHE BOOL "SSE available on host")
+    ELSE (SSE_TRUE)
+        set(SSE_FOUND false CACHE BOOL "SSE available on host")
+    ENDIF (SSE_TRUE)
+
+    STRING(REGEX REPLACE "^.*[^S](SSE2).*$" "\\1" SSE_THERE ${CPUINFO})
+    STRING(COMPARE EQUAL "SSE2" "${SSE_THERE}" SSE2_TRUE)
+    IF (SSE2_TRUE)
+        set(SSE2_FOUND true CACHE BOOL "SSE2 available on host")
+    ELSE (SSE2_TRUE)
+        set(SSE2_FOUND false CACHE BOOL "SSE2 available on host")
+    ENDIF (SSE2_TRUE)
+
+    STRING(REGEX REPLACE "^.*[^S](SSE3).*$" "\\1" SSE_THERE ${CPUINFO})
+    STRING(COMPARE EQUAL "SSE3" "${SSE_THERE}" SSE3_TRUE)
+    IF (SSE3_TRUE)
+        set(SSE3_FOUND true CACHE BOOL "SSE3 available on host")
+    ELSE (SSE3_TRUE)
+        set(SSE3_FOUND false CACHE BOOL "SSE3 available on host")
+    ENDIF (SSE3_TRUE)
+
+    STRING(REGEX REPLACE "^.*(SSSE3).*$" "\\1" SSE_THERE ${CPUINFO})
+    STRING(COMPARE EQUAL "SSSE3" "${SSE_THERE}" SSSE3_TRUE)
+    IF (SSSE3_TRUE)
+        set(SSSE3_FOUND true CACHE BOOL "SSSE3 available on host")
+    ELSE (SSSE3_TRUE)
+        set(SSSE3_FOUND false CACHE BOOL "SSSE3 available on host")
+    ENDIF (SSSE3_TRUE)
+
+    STRING(REGEX REPLACE "^.*(SSE4.1).*$" "\\1" SSE_THERE ${CPUINFO})
+    STRING(COMPARE EQUAL "SSE4.1" "${SSE_THERE}" SSE41_TRUE)
+    IF (SSE41_TRUE)
+        set(SSE4_1_FOUND true CACHE BOOL "SSE4.1 available on host")
+    ELSE (SSE41_TRUE)
+        set(SSE4_1_FOUND false CACHE BOOL "SSE4.1 available on host")
+    ENDIF (SSE41_TRUE)
+ELSEIF(CMAKE_SYSTEM_NAME MATCHES "Windows")
+    # TODO
+    set(SSE_FOUND    true  CACHE BOOL "SSE available on host")
+    set(SSE2_FOUND   true  CACHE BOOL "SSE2 available on host")
+    set(SSE3_FOUND   false CACHE BOOL "SSE3 available on host")
+    set(SSSE3_FOUND  false CACHE BOOL "SSSE3 available on host")
+    set(SSE4_1_FOUND false CACHE BOOL "SSE4.1 available on host")
+ELSE(CMAKE_SYSTEM_NAME MATCHES "Linux")
+    set(SSE_FOUND    true  CACHE BOOL "SSE available on host")
+    set(SSE2_FOUND   true  CACHE BOOL "SSE2 available on host")
+    set(SSE3_FOUND   false CACHE BOOL "SSE3 available on host")
+    set(SSSE3_FOUND  false CACHE BOOL "SSSE3 available on host")
+    set(SSE4_1_FOUND false CACHE BOOL "SSE4.1 available on host")
+ENDIF(CMAKE_SYSTEM_NAME MATCHES "Linux")
+
+if(NOT SSE_FOUND)
+    MESSAGE(STATUS "Could not find hardware support for SSE on this machine.")
+endif(NOT SSE_FOUND)
+
+if(NOT SSE2_FOUND)
+    MESSAGE(STATUS "Could not find hardware support for SSE2 on this machine.")
+endif(NOT SSE2_FOUND)
+
+if(NOT SSE3_FOUND)
+    MESSAGE(STATUS "Could not find hardware support for SSE3 on this machine.")
+endif(NOT SSE3_FOUND)
+
+if(NOT SSSE3_FOUND)
+    MESSAGE(STATUS "Could not find hardware support for SSSE3 on this machine.")
+endif(NOT SSSE3_FOUND)
+
+if(NOT SSE4_1_FOUND)
+    MESSAGE(STATUS "Could not find hardware support for SSE4.1 on this machine.")
+endif(NOT SSE4_1_FOUND)
+
+mark_as_advanced(SSE_FOUND SSE2_FOUND SSE3_FOUND SSSE3_FOUND SSE4_1_FOUND)

src/CMakeLists.txt

@@ -47,6 +47,36 @@ endif (APPLE)
 
 #################################################################
 
+# Check for SSE, enable if available
+include (../cmake/FindSSE.cmake)
+if ("${CMAKE_CXX_COMPILER_ID}" STREQUAL "Clang")
+    if (SSE_FOUND)
+        set (SSE_FOUND_MSG "${SSE_FOUND_MSG} SSE")
+        set (OpenRaider_CXX_FLAGS "${OpenRaider_CXX_FLAGS} -msse")
+    endif (SSE_FOUND)
+    if (SSE2_FOUND)
+        set (SSE_FOUND_MSG "${SSE_FOUND_MSG} SSE2")
+        set (OpenRaider_CXX_FLAGS "${OpenRaider_CXX_FLAGS} -msse2")
+    endif (SSE2_FOUND)
+    if (SSE3_FOUND)
+        set (SSE_FOUND_MSG "${SSE_FOUND_MSG} SSE3")
+        set (OpenRaider_CXX_FLAGS "${OpenRaider_CXX_FLAGS} -msse3")
+    endif (SSE3_FOUND)
+    if (SSSE3_FOUND)
+        set (SSE_FOUND_MSG "${SSE_FOUND_MSG} SSSE3")
+        set (OpenRaider_CXX_FLAGS "${OpenRaider_CXX_FLAGS} -mssse3")
+    endif (SSSE3_FOUND)
+    if (SSE4_1_FOUND)
+        set (SSE_FOUND_MSG "${SSE_FOUND_MSG} SSE4.1")
+        set (OpenRaider_CXX_FLAGS "${OpenRaider_CXX_FLAGS} -msse4.1")
+    endif (SSE4_1_FOUND)
+
+    # Display message if something is enabled
+    if (NOT "${SSE_FOUND_MSG}" STREQUAL "")
+        message ("Enabled${SSE_FOUND_MSG}...")
+    endif (NOT "${SSE_FOUND_MSG}" STREQUAL "")
+endif ("${CMAKE_CXX_COMPILER_ID}" STREQUAL "Clang")
+
 # Apply Flags
 set (CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} ${OpenRaider_CXX_FLAGS}")
 set (CMAKE_CXX_FLAGS_DEBUG "${CMAKE_CXX_FLAGS_DEBUG} ${OpenRaider_CXX_FLAGS} ${OpenRaider_CXX_FLAGS_DEBUG}")

src/OpenRaider.cpp

@@ -63,7 +63,7 @@ void killOpenRaiderSingleton() {
     printf("Build date: %s @ %s\n", __DATE__, __TIME__);
     printf("Build host: %s\n", BUILD_HOST);
     printf("Web site  : http://github.com/xythobuz/OpenRaider\n");
-    printf("Contact   : xythobuz@xythobuz.de");
+    printf("Contact   : xythobuz@xythobuz.de\n");
 }