lottie/render: add support for arm backend build.

Change-Id: I2cd319c4f599ead2e33056b037828d417d47753b

packaging/lottie-player.spec

@@ -32,9 +32,19 @@ lottie player library (devel)
 export CFLAGS+=" -fvisibility=hidden -fPIC -Wall -O2"
 export LDFLAGS+=" "
 
+%ifarch %{arm}
+export CXXFLAGS+=" -D_ARCH_ARM_ -mfpu=neon"
+%endif
 
+
+%ifarch %{arm}
+cmake . -DCMAKE_INSTALL_PREFIX=/usr \
+        -DLIB_INSTALL_DIR:PATH=%{_libdir} \
+        -DARCH="arm"
+%else
 cmake . -DCMAKE_INSTALL_PREFIX=/usr \
         -DLIB_INSTALL_DIR:PATH=%{_libdir}
+%endif
 
 
 make %{?jobs:-j%jobs}

src/vector/CMakeLists.txt

@@ -10,6 +10,7 @@ target_sources(lottie-player
         "${CMAKE_CURRENT_LIST_DIR}/vcompositionfunctions.cpp"
         "${CMAKE_CURRENT_LIST_DIR}/vdrawhelper.cpp"
         "${CMAKE_CURRENT_LIST_DIR}/vdrawhelper_sse2.cpp"
+        "${CMAKE_CURRENT_LIST_DIR}/vdrawhelper_neon.cpp"
         "${CMAKE_CURRENT_LIST_DIR}/vregion.cpp"
         "${CMAKE_CURRENT_LIST_DIR}/vrle.cpp"
         "${CMAKE_CURRENT_LIST_DIR}/vpath.cpp"
@@ -23,6 +24,14 @@ target_sources(lottie-player
         "${CMAKE_CURRENT_LIST_DIR}/vdrawable.cpp"
     )
 
+IF("${ARCH}" STREQUAL "arm")
+#SET(CMAKE_ASM_FLAGS "${CFLAGS} -x assembler-with-cpp")
+#target_sources(lottie-player
+#    PRIVATE
+#        "${CMAKE_CURRENT_LIST_DIR}/pixman-arm-neon-asm.S"
+#    )
+ENDIF("${ARCH}" STREQUAL "arm")
+
 target_include_directories(lottie-player
     PRIVATE
         "${CMAKE_CURRENT_LIST_DIR}"