Closes: #46pull/100/head
parent
b4ef78acea
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//-----------------------------------------------------------------------------
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// JOLTPHYSICS_AVX2.VPC
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//
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// Project Script
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//-----------------------------------------------------------------------------
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$Macro PROJNAME "joltphysics_avx2"
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$Conditional VOLT_AVX2 "1"
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$Macro VOLTARCH "AVX2"
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$Include "joltphysics_inc.vpc"
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//-----------------------------------------------------------------------------
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// JOLTPHYSICS_SSE2.VPC
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//
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// Project Script
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//-----------------------------------------------------------------------------
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$Macro PROJNAME "joltphysics_sse2"
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$Conditional VOLT_SSE2 "1"
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$Macro VOLTARCH "SSE2"
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$Include "joltphysics_inc.vpc"
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//-----------------------------------------------------------------------------
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// JOLTPHYSICS_SSE42.VPC
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//
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// Project Script
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//-----------------------------------------------------------------------------
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$Macro PROJNAME "joltphysics_sse42"
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$Conditional VOLT_SSE42 "1"
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$Macro VOLTARCH "SSE42"
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$Include "joltphysics_inc.vpc"
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//-----------------------------------------------------------------------------
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// VPHYSICS_JOLT_STATIC.VPC
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// VPHYSICS_JOLT_AVX2.VPC
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//
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// Project Script
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//-----------------------------------------------------------------------------
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$Macro PROJNAME "vphysics_jolt_static"
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$Macro PROJNAME "vphysics_jolt_avx2"
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$Conditional VOLT_AVX2 "1"
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$Macro VOLTARCH "AVX2"
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$Include "vphysics_jolt_inc.vpc"
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//-----------------------------------------------------------------------------
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// VPHYSICS_JOLT_SSE2.VPC
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//
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// Project Script
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//-----------------------------------------------------------------------------
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$Macro PROJNAME "vphysics_jolt_sse2"
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$Conditional VOLT_SSE2 "1"
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$Macro VOLTARCH "SSE2"
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$Include "vphysics_jolt_inc.vpc"
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//=================================================================================================
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//
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// The base physics DLL interface
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//
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// This is a thin CPU-agnostic wrapper for the actual Volt DLLs which are named
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// vphysics_jolt_sse2.dll, vphysics_jolt_sse42.dll and vphysics_jolt_avx2.dll
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//
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//=================================================================================================
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#include "tier0/basetypes.h"
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#include "tier1/interface.h"
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#include "vphysics_interface.h"
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#ifdef _WIN32
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#include <intrin.h>
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#else
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#include <cpuid.h>
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#endif
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// memdbgon must be the last include file in a .cpp file!!!
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#include "tier0/memdbgon.h"
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//-------------------------------------------------------------------------------------------------
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class PhysicsWrapper final : public CBaseAppSystem<IPhysics>
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{
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public:
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bool Connect( CreateInterfaceFn factory ) override;
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void Disconnect() override;
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InitReturnVal_t Init() override;
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void Shutdown() override;
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void *QueryInterface( const char *pInterfaceName ) override;
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IPhysicsEnvironment *CreateEnvironment() override;
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void DestroyEnvironment( IPhysicsEnvironment *pEnvironment ) override;
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IPhysicsEnvironment *GetActiveEnvironmentByIndex( int index ) override;
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IPhysicsObjectPairHash *CreateObjectPairHash() override;
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void DestroyObjectPairHash( IPhysicsObjectPairHash *pHash ) override;
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IPhysicsCollisionSet *FindOrCreateCollisionSet( unsigned int id, int maxElementCount ) override;
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IPhysicsCollisionSet *FindCollisionSet( unsigned int id ) override;
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void DestroyAllCollisionSets() override;
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public:
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static PhysicsWrapper &GetInstance() { return s_PhysicsInterface; }
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private:
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bool InitWrapper();
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CSysModule *m_pActualPhysicsModule;
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IPhysics *m_pActualPhysicsInterface;
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static PhysicsWrapper s_PhysicsInterface;
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};
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PhysicsWrapper PhysicsWrapper::s_PhysicsInterface;
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EXPOSE_SINGLE_INTERFACE_GLOBALVAR( PhysicsWrapper, IPhysics, VPHYSICS_INTERFACE_VERSION, PhysicsWrapper::GetInstance() );
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//-------------------------------------------------------------------------------------------------
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enum CPULevel_t
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{
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CPU_HAS_SSE2,
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CPU_HAS_SSE42,
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CPU_HAS_AVX2,
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};
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static void GetCPUID( int *pInfo, int func, int subfunc )
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{
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#ifdef _WIN32
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__cpuidex( pInfo, func, subfunc );
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#else
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__cpuid_count( func, subfunc, pInfo[0], pInfo[1], pInfo[2], pInfo[3] );
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#endif
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}
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static CPULevel_t GetCPULevel()
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{
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int cpuInfo[4];
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CPULevel_t cpuLevel = CPU_HAS_SSE2;
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GetCPUID( cpuInfo, 0, 0 ); // Get the number of functions
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const int numFuncs = cpuInfo[0];
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if ( numFuncs >= 7 )
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{
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GetCPUID( cpuInfo, 7, 0 ); // Call function 7
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bool hasAVX2 = cpuInfo[1] & ( 1 << 5 ); // 5 is the AVX2 bit
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if ( hasAVX2 )
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cpuLevel = CPU_HAS_AVX2;
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}
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else
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{
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GetCPUID( cpuInfo, 1, 0 ); // Call function 1
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bool hasSSE42 = cpuInfo[2] & ( 1 << 20 ); // 20 is the SSE42 bit
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if ( hasSSE42 )
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cpuLevel = CPU_HAS_SSE42;
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}
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return cpuLevel;
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}
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static const char *GetModuleFromCPULevel( CPULevel_t level )
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{
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switch ( level )
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{
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case CPU_HAS_AVX2: return "vphysics_jolt_avx2" DLL_EXT_STRING;
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case CPU_HAS_SSE42: return "vphysics_jolt_sse42" DLL_EXT_STRING;
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default: return "vphysics_jolt_sse2" DLL_EXT_STRING;
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}
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}
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// Tries to load the actual vphysics DLL
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bool PhysicsWrapper::InitWrapper()
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{
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if ( m_pActualPhysicsInterface )
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return true;
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const char *pModuleName = GetModuleFromCPULevel( GetCPULevel() );
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if ( !Sys_LoadInterface( pModuleName, VPHYSICS_INTERFACE_VERSION, &m_pActualPhysicsModule, (void **)&m_pActualPhysicsInterface ) )
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return false;
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return true;
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}
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bool PhysicsWrapper::Connect( CreateInterfaceFn factory )
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{
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if ( !InitWrapper() )
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return false;
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return m_pActualPhysicsInterface->Connect( factory );
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}
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void PhysicsWrapper::Disconnect()
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{
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m_pActualPhysicsInterface->Disconnect();
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Sys_UnloadModule( m_pActualPhysicsModule );
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}
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//-------------------------------------------------------------------------------------------------
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InitReturnVal_t PhysicsWrapper::Init()
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{
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return m_pActualPhysicsInterface->Init();
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}
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void PhysicsWrapper::Shutdown()
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{
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m_pActualPhysicsInterface->Shutdown();
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}
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void *PhysicsWrapper::QueryInterface( const char *pInterfaceName )
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{
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// This function can be called before Connect, so try and load the real DLL early
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if ( !InitWrapper() )
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return nullptr;
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return m_pActualPhysicsInterface->QueryInterface( pInterfaceName );
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}
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//-------------------------------------------------------------------------------------------------
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IPhysicsEnvironment *PhysicsWrapper::CreateEnvironment()
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{
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return m_pActualPhysicsInterface->CreateEnvironment();
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}
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void PhysicsWrapper::DestroyEnvironment( IPhysicsEnvironment *pEnvironment )
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{
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m_pActualPhysicsInterface->DestroyEnvironment( pEnvironment );
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}
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IPhysicsEnvironment *PhysicsWrapper::GetActiveEnvironmentByIndex( int index )
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{
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return m_pActualPhysicsInterface->GetActiveEnvironmentByIndex( index );
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}
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//-------------------------------------------------------------------------------------------------
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IPhysicsObjectPairHash *PhysicsWrapper::CreateObjectPairHash()
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{
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return m_pActualPhysicsInterface->CreateObjectPairHash();
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}
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void PhysicsWrapper::DestroyObjectPairHash( IPhysicsObjectPairHash *pHash )
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{
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m_pActualPhysicsInterface->DestroyObjectPairHash( pHash );
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}
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//-------------------------------------------------------------------------------------------------
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IPhysicsCollisionSet *PhysicsWrapper::FindOrCreateCollisionSet( unsigned int id, int maxElementCount )
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{
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return m_pActualPhysicsInterface->FindOrCreateCollisionSet( id, maxElementCount );
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}
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IPhysicsCollisionSet *PhysicsWrapper::FindCollisionSet( unsigned int id )
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{
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return m_pActualPhysicsInterface->FindCollisionSet( id );
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}
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void PhysicsWrapper::DestroyAllCollisionSets()
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{
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m_pActualPhysicsInterface->DestroyAllCollisionSets();
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}
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//-----------------------------------------------------------------------------
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// VPHYSICS_WRAPPER_EXTERNAL.VPC
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//
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// Project Script
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//-----------------------------------------------------------------------------
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// Existing Source engine games don't know about Volt, so public wrapper builds
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// just output "vphysics.dll"
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$Macro WRAPPER_NAME "vphysics"
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$Include "vphysics_wrapper_inc.vpc"
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//-----------------------------------------------------------------------------
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// VPHYSICS_WRAPPER.VPC
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//
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// Project Script
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//-----------------------------------------------------------------------------
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$MacroRequired "WRAPPER_NAME"
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$Macro SRCDIR "..\.."
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$Macro OUTBINNAME "$WRAPPER_NAME"
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$Macro OUTBINDIR "$SRCDIR\..\$GAMEDIR\bin"
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$Include "$SRCDIR\vpc_scripts\source_dll_base.vpc"
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$Configuration
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{
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$Linker
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{
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// For Alien Swarm, we don't get the ability to build our own tier1 or mathlib
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// which means we need to be compatible with the .libs provided built for
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// ancient Visual Studio.
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$AdditionalDependencies "$BASE legacy_stdio_definitions.lib" [$GAME_ASW]
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}
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}
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$Project "vphysics_wrapper"
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{
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$Folder "Source Files"
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{
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$File "vphysics_wrapper.cpp"
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}
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$Folder "Header Files"
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{
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}
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$Folder "Interface"
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{
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$File "$SRCDIR\public\vphysics_interface.h"
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$File "$SRCDIR\public\vphysics\collision_set.h"
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$File "$SRCDIR\public\vphysics\constraints.h"
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$File "$SRCDIR\public\vphysics\friction.h"
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$File "$SRCDIR\public\vphysics\object_hash.h"
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$File "$SRCDIR\public\vphysics\performance.h"
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$File "$SRCDIR\public\vphysics\player_controller.h"
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$File "$SRCDIR\public\vphysics\stats.h"
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$File "$SRCDIR\public\vphysics\vehicles.h"
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}
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$Folder "Link Libraries"
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{
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}
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}
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//-----------------------------------------------------------------------------
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// VPHYSICS_WRAPPER_INTERNAL.VPC
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//
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// Project Script
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//-----------------------------------------------------------------------------
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// This file is used when building for an engine that is aware of vphysics_jolt
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$Macro WRAPPER_NAME "vphysics_jolt"
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$Include "vphysics_wrapper_inc.vpc"
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