Add support for LoongArch

Taken from:

https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=1057632

Author: loongson-zjl

Platform/Linux/Build/Common/CommonDefs.mak

@@ -23,6 +23,8 @@ else ifneq (,$(findstring mips,$(MACHINE)))
 	HOST_PLATFORM = Mips
 else ifneq (,$(findstring riscv64,$(MACHINE)))
         HOST_PLATFORM = Riscv64
+else ifneq (,$(findstring loongarch64,$(MACHINE)))
+        HOST_PLATFORM = LoongArch64
 else
 	DUMMY:=$(error Can't determine host platform)
 endif

Platform/Linux/Build/Common/Platform.LoongArch64

@@ -0,0 +1,12 @@
+export GLUT_SUPPORTED=1
+
+ifeq "$(CFG)" "Release"
+
+    # Optimization level, minus currently buggy optimizing methods (which break bit-exact)
+    CFLAGS += -O3 -fno-tree-pre -fno-strict-aliasing
+
+    # More optimization flags
+    CFLAGS += -ftree-vectorize -ffast-math -funsafe-math-optimizations -fsingle-precision-constant
+
+endif
+

Platform/Linux/CreateRedist/RedistMaker

@@ -39,6 +39,8 @@ else
 		PLATFORM="Mips" ;;
 	riscv64)
 		PLATFORM="Riscv64" ;;
+	loongarch64)
+		PLATFORM="LoongArch64" ;;
 	*)
 		echo "Unknown machine type: $MACHINE_TYPE"
 		exit 1

Source/Utils/XnSensorServer/SensorServer.cpp

@@ -56,7 +56,7 @@ int main(int argc, char* argv[])
 	nRetVal = XnSensorServerGetGlobalConfigFile(strConfigDir, strConfigFile, XN_FILE_MAX_PATH);
 	XN_CHECK_RC(nRetVal, "Resolving global config file");
 
-#if (XN_PLATFORM == XN_PLATFORM_LINUX_X86 || XN_PLATFORM == XN_PLATFORM_LINUX_ARM || XN_PLATFORM == XN_PLATFORM_LINUX_AARCH64 || XN_PLATFORM == XN_PLATFORM_LINUX_POWERPC || XN_PLATFORM == XN_PLATFORM_MACOSX || XN_PLATFORM == XN_PLATFORM_LINUX_MIPS || XN_PLATFORM == XN_PLATFORM_LINUX_RISCV64)
+#if (XN_PLATFORM == XN_PLATFORM_LINUX_X86 || XN_PLATFORM == XN_PLATFORM_LINUX_ARM || XN_PLATFORM == XN_PLATFORM_LINUX_AARCH64 || XN_PLATFORM == XN_PLATFORM_LINUX_POWERPC || XN_PLATFORM == XN_PLATFORM_MACOSX || XN_PLATFORM == XN_PLATFORM_LINUX_MIPS || XN_PLATFORM == XN_PLATFORM_LINUX_RISCV64 || XN_PLATFORM == XN_PLATFORM_LINUX_LOONGARCH64)
 	xnLogSetOutputFolder("/var/log/primesense/XnSensorServer/");
 #endif
 

Source/XnDeviceSensorV2/XnDeviceSensorInit.h

@@ -57,7 +57,7 @@
 
 	#define XN_SENSOR_USB_MISC_BUFFER_SIZE	0x1000
 	#define XN_SENSOR_USB_MISC_BUFFERS		1
-#elif (XN_PLATFORM == XN_PLATFORM_LINUX_X86 || XN_PLATFORM == XN_PLATFORM_LINUX_ARM || XN_PLATFORM == XN_PLATFORM_LINUX_AARCH64 || XN_PLATFORM == XN_PLATFORM_LINUX_POWERPC || XN_PLATFORM == XN_PLATFORM_MACOSX || XN_PLATFORM == XN_PLATFORM_ANDROID_ARM || XN_PLATFORM == XN_PLATFORM_LINUX_MIPS || XN_PLATFORM == XN_PLATFORM_LINUX_RISCV64)
+#elif (XN_PLATFORM == XN_PLATFORM_LINUX_X86 || XN_PLATFORM == XN_PLATFORM_LINUX_ARM || XN_PLATFORM == XN_PLATFORM_LINUX_AARCH64 || XN_PLATFORM == XN_PLATFORM_LINUX_POWERPC || XN_PLATFORM == XN_PLATFORM_MACOSX || XN_PLATFORM == XN_PLATFORM_ANDROID_ARM || XN_PLATFORM == XN_PLATFORM_LINUX_MIPS || XN_PLATFORM == XN_PLATFORM_LINUX_RISCV64 || XN_PLATFORM == XN_PLATFORM_LINUX_LOONGARCH64)
 	#define XN_SENSOR_USB_IMAGE_BUFFER_SIZE_MULTIPLIER_ISO				32
 	#define XN_SENSOR_USB_IMAGE_BUFFER_SIZE_MULTIPLIER_BULK				40
 	#define XN_SENSOR_USB_IMAGE_BUFFER_SIZE_MULTIPLIER_LOWBAND_ISO		16

Source/XnDeviceSensorV2/XnSensorClient.cpp

@@ -882,7 +882,7 @@ XnStatus XnSensorClient::StartServerProcess()
 
 #if (XN_PLATFORM == XN_PLATFORM_WIN32)
 	nRetVal = GetModuleDir(strServerDir);
-#elif (XN_PLATFORM == XN_PLATFORM_LINUX_X86 || XN_PLATFORM == XN_PLATFORM_LINUX_ARM || XN_PLATFORM == XN_PLATFORM_LINUX_AARCH64 || XN_PLATFORM == XN_PLATFORM_LINUX_POWERPC || XN_PLATFORM == XN_PLATFORM_MACOSX || XN_PLATFORM == XN_PLATFORM_LINUX_MIPS || XN_PLATFORM == XN_PLATFORM_LINUX_RISCV64)
+#elif (XN_PLATFORM == XN_PLATFORM_LINUX_X86 || XN_PLATFORM == XN_PLATFORM_LINUX_ARM || XN_PLATFORM == XN_PLATFORM_LINUX_AARCH64 || XN_PLATFORM == XN_PLATFORM_LINUX_POWERPC || XN_PLATFORM == XN_PLATFORM_MACOSX || XN_PLATFORM == XN_PLATFORM_LINUX_MIPS || XN_PLATFORM == XN_PLATFORM_LINUX_RISCV64 || XN_PLATFORM == XN_PLATFORM_LINUX_LOONGARCH64)
 	sprintf(strServerDir, "/usr/lib/libopenni-sensor-primesense0");
 #endif