Add loongarch platform support

physx/buildtools/cmake_generate_projects.py

@@ -119,6 +119,8 @@ def isMultiConfigPlatform(self):
             return False
         elif self.targetPlatform == 'linuxAarch64':
             return False
+        elif self.targetPlatform == 'linuxLoongarch64':
+            return False
         return True
 
     def getCMakeSwitches(self):
@@ -215,13 +217,25 @@ def getPlatformCMakeParams(self):
                 outString = outString + ' -DCMAKE_TOOLCHAIN_FILE=\"' + \
                     cmake_modules_root + '/linux/LinuxAarch64.cmake\"'
             return outString
+        elif self.targetPlatform == 'linuxLoongarch64':
+            outString = outString + ' -DTARGET_BUILD_PLATFORM=linux'
+            outString = outString + ' -DPX_OUTPUT_ARCH=loongarch64'
+            if self.compiler == 'clang':
+                if os.environ.get('PM_clang_PATH') is not None:
+                    outString = outString + ' -DCMAKE_C_COMPILER=' + \
+                        os.environ['PM_clang_PATH'] + '/bin/clang'
+                    outString = outString + ' -DCMAKE_CXX_COMPILER=' + \
+                        os.environ['PM_clang_PATH'] + '/bin/clang++'
+                else:
+                    outString = outString + ' -DCMAKE_C_COMPILER=clang'
+                    outString = outString + ' -DCMAKE_CXX_COMPILER=clang++'
+            return outString
         elif self.targetPlatform == 'mac64':
             outString = outString + ' -DTARGET_BUILD_PLATFORM=mac'
             outString = outString + ' -DPX_OUTPUT_ARCH=x86'
             return outString
         return ''
 
-
 def getCommonParams():
     outString = '--no-warn-unused-cli'
     outString = outString + ' -DCMAKE_PREFIX_PATH=\"' + os.environ['PM_PATHS'] + '\"'

physx/buildtools/presets/public/linux-loongarch64.xml

@@ -0,0 +1,11 @@
+<?xml version="1.0" encoding="utf-8"?>
+<preset name="linux-loongarch64" comment="Linux-loongarch64 clang PhysX SDK general settings">
+  <platform targetPlatform="linuxLoongarch64" compiler="clang" />
+  <CMakeSwitches>
+    <cmakeSwitch name="PX_BUILDSNIPPETS" value="True" comment="Generate the snippets" />
+    <cmakeSwitch name="PX_GENERATE_STATIC_LIBRARIES" value="True" comment="Generate static libs" />
+  </CMakeSwitches>
+  <CMakeParams>
+    <cmakeParam name="CMAKE_INSTALL_PREFIX" value="install/linux-loongarch64/PhysX" comment="Install path relative to PhysX SDK root" />
+  </CMakeParams>
+</preset>

physx/generate_projects.sh

@@ -1,5 +1,10 @@
 #!/bin/bash +x
 
+machine=`uname -m`
+if [ "$machine"x = "loongarch64"x ]; then
+    export PM_PYTHON_EXT="python3"
+fi
+
 if [ -n "${BASH_SOURCE[0]}" ]; then
     SCRIPT_DIR=$(dirname "${BASH_SOURCE[0]}")
 else
@@ -33,4 +38,4 @@ status=$?
 if [ "$status" -ne "0" ]; then
  echo "Error $status"
  exit 1
-fi
+fi

physx/include/foundation/PxAlloca.h

@@ -62,7 +62,7 @@ class PxScopedPointer : private Alloc
 #if PX_WINDOWS_FAMILY
 	#include <malloc.h>
 	#define PxAlloca(x) _alloca(x)
-#elif PX_LINUX
+#elif PX_LINUX || PX_LOONGARCH64
 	#include <malloc.h>
 	#define PxAlloca(x) alloca(x)
 #elif PX_APPLE_FAMILY

physx/include/foundation/PxIntrinsics.h

@@ -33,7 +33,7 @@
 
 #if PX_WINDOWS_FAMILY
 #include "windows/PxWindowsIntrinsics.h"
-#elif(PX_LINUX || PX_APPLE_FAMILY)
+#elif(PX_LINUX || PX_APPLE_FAMILY || PX_LOONGARCH64)
 #include "unix/PxUnixIntrinsics.h"
 #elif PX_SWITCH
 #include "switch/PxSwitchIntrinsics.h"

physx/include/foundation/PxMath.h

@@ -42,7 +42,7 @@
 #pragma warning(pop)
 #endif
 
-#if (PX_LINUX_FAMILY && !PX_ARM_FAMILY)
+#if (PX_LINUX_FAMILY && !PX_ARM_FAMILY && !PX_LOONGARCH64)
 // Force linking against nothing newer than glibc v2.17 to remain compatible with platforms with older glibc versions
 __asm__(".symver expf,expf@GLIBC_2.2.5");
 __asm__(".symver powf,powf@GLIBC_2.2.5");

physx/include/foundation/PxMathIntrinsics.h

@@ -33,7 +33,7 @@
 
 #if PX_WINDOWS_FAMILY
 #include "foundation/windows/PxWindowsMathIntrinsics.h"
-#elif(PX_LINUX || PX_APPLE_FAMILY)
+#elif(PX_LINUX || PX_APPLE_FAMILY || PX_LOONGARCH64)
 #include "foundation/unix/PxUnixMathIntrinsics.h"
 #elif PX_SWITCH
 #include "foundation/switch/PxSwitchMathIntrinsics.h"

physx/include/foundation/PxPreprocessor.h

@@ -111,6 +111,8 @@ Architecture defines, see http://sourceforge.net/p/predef/wiki/Architectures/
 	#define PX_A64 1
 #elif defined(__arm__) || defined(_M_ARM)
 	#define PX_ARM 1
+#elif defined(__loongarch64__) || defined(__loongarch64)
+        #define PX_LOONGARCH64 1
 #elif defined(__ppc__) || defined(_M_PPC) || defined(__CELLOS_LV2__)
 	#define PX_PPC 1
 #else
@@ -171,6 +173,9 @@ define anything not defined on this platform to 0
 #ifndef PX_ARM
 	#define PX_ARM 0
 #endif
+#ifndef PX_LOONGARCH64
+	#define PX_LOONGARCH64 0
+#endif
 #ifndef PX_PPC
 	#define PX_PPC 0
 #endif
@@ -224,7 +229,7 @@ family shortcuts
 // architecture
 #define PX_INTEL_FAMILY (PX_X64 || PX_X86)
 #define PX_ARM_FAMILY (PX_ARM || PX_A64)
-#define PX_P64_FAMILY (PX_X64 || PX_A64) // shortcut for 64-bit architectures
+#define PX_P64_FAMILY (PX_X64 || PX_A64 || PX_LOONGARCH64) // shortcut for 64-bit architectures
 
 /**
 C++ standard library defines
@@ -522,7 +527,7 @@ protected:                  \
 //#define DISABLE_CUDA_PHYSX
 #ifndef DISABLE_CUDA_PHYSX
 	//CUDA is currently supported on x86_64 windows and linux, and ARM_64 linux
-	#define PX_SUPPORT_GPU_PHYSX ((PX_X64 && (PX_WINDOWS_FAMILY || PX_LINUX)) || (PX_A64 && PX_LINUX))
+	#define PX_SUPPORT_GPU_PHYSX ((PX_X64 && (PX_WINDOWS_FAMILY || PX_LINUX)) || (PX_A64 && PX_LINUX) || PX_LOONGARCH64)
 #else
 	#define PX_SUPPORT_GPU_PHYSX 0
 #endif

physx/include/foundation/PxSIMDHelpers.h

@@ -48,7 +48,7 @@ namespace physx
 			const QuatV qV = V4LoadU(&q.x);
 			Vec3V column0V, column1V, column2V;
 			QuatGetMat33V(qV, column0V, column1V, column2V);
-#if defined(PX_SIMD_DISABLED) || (PX_LINUX && (PX_ARM || PX_A64))
+#if defined(PX_SIMD_DISABLED) || (PX_LINUX && (PX_ARM || PX_A64 || PX_LOONGARCH64))
 			V3StoreU(column0V, column0);
 			V3StoreU(column1V, column1);
 			V3StoreU(column2V, column2);

physx/snippets/compiler/cmake/linux/SnippetRender.cmake

@@ -28,7 +28,7 @@
 # Build SnippetRender
 #
 
-IF(NOT ${CMAKE_SYSTEM_PROCESSOR} STREQUAL "aarch64")
+IF(NOT (${CMAKE_SYSTEM_PROCESSOR} STREQUAL "aarch64" OR ${CMAKE_SYSTEM_PROCESSOR} STREQUAL "loongarch64"))
 	FIND_PACKAGE(OpenGL $ENV{PM_OpenGL_VERSION} CONFIG REQUIRED) # Pull in OpenGL and GLUT
 ENDIF()
 
@@ -46,7 +46,7 @@ SET(SNIPPETRENDER_COMPILE_DEFS
 SET(SNIPPETRENDER_PLATFORM_INCLUDES)
 
 # gwoolery: aarch64 requires glut library to be lower case, for whatever reason
-IF(CMAKE_SYSTEM_PROCESSOR STREQUAL "aarch64")
+IF(CMAKE_SYSTEM_PROCESSOR STREQUAL "aarch64" OR CMAKE_SYSTEM_PROCESSOR STREQUAL "loongarch64")
 	SET(GLUT_LIB "glut")
 ELSE()
 	SET(GLUT_LIB "GLUT")

physx/snippets/compiler/cmake/linux/SnippetTemplate.cmake

@@ -57,7 +57,7 @@ IF(${SNIPPET_NAME} STREQUAL "ArticulationLoader")
 ENDIF()
 
 # gwoolery: aarch64 requires glut library to be lower case, for whatever reason
-IF(CMAKE_SYSTEM_PROCESSOR STREQUAL "aarch64")
+IF(CMAKE_SYSTEM_PROCESSOR STREQUAL "aarch64" OR CMAKE_SYSTEM_PROCESSOR STREQUAL "loongarch64")
 	SET(GLUT_LIB "glut")
 ELSE()
 	SET(GLUT_LIB "GLUT")

physx/snippets/compiler/cmake/linux/SnippetVehicle2Template.cmake

@@ -47,7 +47,7 @@ SET(SNIPPET_PLATFORM_SOURCES
 )
 
 # gwoolery: aarch64 requires glut library to be lower case, for whatever reason
-IF(CMAKE_SYSTEM_PROCESSOR STREQUAL "aarch64")
+IF(CMAKE_SYSTEM_PROCESSOR STREQUAL "aarch64" OR CMAKE_SYSTEM_PROCESSOR STREQUAL "loongarch64")
 	SET(GLUT_LIB "glut")
 ELSE()
 	SET(GLUT_LIB "GLUT")

physx/source/compiler/cmake/linux/CMakeLists.txt

@@ -138,6 +138,11 @@ IF(${CMAKE_CROSSCOMPILING} AND CMAKE_SYSTEM_PROCESSOR STREQUAL "aarch64")
 ELSE()
 	SET(PX_SUPPORT_OMNI_PVD_FLAG "PX_SUPPORT_OMNI_PVD=1")
 ENDIF()
+
+IF(CMAKE_SYSTEM_PROCESSOR STREQUAL "loongarch64")
+	SET(GPU_LIB_COPIED 1 CACHE INTERNAL "PhysX GPU so files not copied")
+ENDIF()
+
 SET(PHYSX_LINUX_COMPILE_DEFS "${PHYSX_AUTOBUILD};${PUBLIC_RELEASE_FLAG};${FEATURES_UNDER_CONSTRUCTION_FLAG}" CACHE INTERNAL "Base PhysX preprocessor definitions")
 SET(PHYSX_LINUX_DEBUG_COMPILE_DEFS   "PX_DEBUG=1;PX_CHECKED=1;${NVTX_FLAG};PX_SUPPORT_PVD=1;${PX_SUPPORT_OMNI_PVD_FLAG}"  CACHE INTERNAL "Debug PhysX preprocessor definitions")
 SET(PHYSX_LINUX_CHECKED_COMPILE_DEFS "NDEBUG;PX_CHECKED=1;${NVTX_FLAG};PX_SUPPORT_PVD=1;${PX_SUPPORT_OMNI_PVD_FLAG}" CACHE INTERNAL "Checked PhysX preprocessor definitions")

physx/source/compiler/cmake/modules/GetCompilerAndPlatform.cmake

@@ -135,6 +135,8 @@ FUNCTION (GetPlatformBinName PLATFORM_BIN_NAME LIBPATH_SUFFIX)
 			SET(RETVAL "linux.clang")
 		ELSEIF(${CMAKE_SYSTEM_PROCESSOR} STREQUAL "aarch64")
 			SET(RETVAL "linux.aarch64")
+		ELSEIF(${CMAKE_SYSTEM_PROCESSOR} STREQUAL "loongarch64")
+			SET(RETVAL "linux.loongarch64")
 		ENDIF()
 	ENDIF()
 

physx/source/foundation/unix/FdUnixThread.cpp

@@ -269,6 +269,7 @@ void PxThreadImpl::yieldProcessor()
 {
 #if (PX_ARM || PX_A64)
 	__asm__ __volatile__("yield");
+#elif PX_LOONGARCH64
 #else
 	__asm__ __volatile__("pause");
 #endif

physx/source/physxextensions/src/serialization/SnSerialUtils.cpp

@@ -38,7 +38,7 @@ using namespace physx;
 namespace
 {
 
-#define SN_NUM_BINARY_PLATFORMS 9
+#define SN_NUM_BINARY_PLATFORMS 10
 const PxU32 sBinaryPlatformTags[SN_NUM_BINARY_PLATFORMS] =
 {
 	PX_MAKE_FOURCC('W','_','3','2'),
@@ -49,7 +49,8 @@ const PxU32 sBinaryPlatformTags[SN_NUM_BINARY_PLATFORMS] =
 	PX_MAKE_FOURCC('M','_','6','4'),
 	PX_MAKE_FOURCC('N','X','3','2'),
 	PX_MAKE_FOURCC('N','X','6','4'),
-	PX_MAKE_FOURCC('L','A','6','4')
+	PX_MAKE_FOURCC('L','A','6','4'),
+	PX_MAKE_FOURCC('L','O','6','4')
 };
 
 const char* sBinaryPlatformNames[SN_NUM_BINARY_PLATFORMS] =
@@ -62,7 +63,8 @@ const char* sBinaryPlatformNames[SN_NUM_BINARY_PLATFORMS] =
 	"mac64",
 	"switch32",
 	"switch64",
-	"linuxaarch64"
+	"linuxaarch64",
+	"loongarch64"
 };
 
 }
@@ -89,6 +91,8 @@ PxU32 getBinaryPlatformTag()
 	return sBinaryPlatformTags[7];
 #elif PX_LINUX && PX_A64
 	return sBinaryPlatformTags[8];
+#elif PX_LINUX && PX_LOONGARCH64
+	return sBinaryPlatformTags[9];
 #else
 	#error Unknown binary platform
 #endif