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* Feature: Properly detect ARM32/ARM64 in the CMake build process and enable ARM NEON when either of these are detected.

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This commit is contained in:
Robert MacGregor 2021-10-27 17:30:43 -04:00
parent 69216b706a
commit 6b56210a47
2 changed files with 22 additions and 9 deletions
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17
Tools/CMake/basics.cmake
View file

@ -22,10 +22,19 @@
project("Torque3DEngine")
if( CMAKE_CXX_SIZEOF_DATA_PTR EQUAL 8 )
set( TORQUE_CPU_X64 ON )
elseif( CMAKE_CXX_SIZEOF_DATA_PTR EQUAL 4 )
set( TORQUE_CPU_X32 ON )
# Detect 32bit and 64bit x86/ARM
if (CMAKE_SYSTEM_PROCESSOR MATCHES "arm")
if( CMAKE_CXX_SIZEOF_DATA_PTR EQUAL 8 )
set( TORQUE_CPU_ARM64 ON )
elseif( CMAKE_CXX_SIZEOF_DATA_PTR EQUAL 4 )
set( TORQUE_CPU_ARM32 ON )
endif()
else()
if( CMAKE_CXX_SIZEOF_DATA_PTR EQUAL 8 )
set( TORQUE_CPU_X64 ON )
elseif( CMAKE_CXX_SIZEOF_DATA_PTR EQUAL 4 )
set( TORQUE_CPU_X32 ON )
endif()
endif()
if(NOT TORQUE_TEMPLATE)

14
Tools/CMake/libraries/lpng.cmake
View file

@ -24,13 +24,17 @@ project(lpng)
# addDef(PNG_NO_ASSEMBLER_CODE)
# Issues with Neon at the moment (Arm support)
# https://sourceforge.net/p/libpng/bugs/281/
set(PNG_ARM_NEON off CACHE STRING "")
add_definitions(-DPNG_ARM_NEON_OPT=0)
# Enables NEON for libpng
if ( TORQUE_CPU_ARM32 OR TORQUE_CPU_ARM64 )
set(PNG_INTEL_NEON on CACHE STRING "")
add_definitions(-DPNG_ARM_NEON_OPT=1)
addPath("${libDir}/lpng/arm")
else()
set(PNG_ARM_NEON off CACHE STRING "")
add_definitions(-DPNG_ARM_NEON_OPT=0)
endif()
# Enables SSE for libpng - also takes care of compiler warnings.
# If we don't want SSE, we should set it to off/0.
if ( TORQUE_CPU_X32 OR TORQUE_CPU_X64 )
set(PNG_INTEL_SSE on CACHE STRING "")
add_definitions(-DPNG_INTEL_SSE_OPT=1)