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Perform CPU check as early as possible

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Check CPU as early as possible (first routine during init). This is required because SpdLog compiles down to SSE instructions.
This commit is contained in:
Kawe Mazidjatari 2022-09-14 01:35:05 +02:00
parent 729475c74c
commit e0504d2828
3 changed files with 7 additions and 0 deletions
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2
r5dev/core/dllmain.cpp
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@ -17,6 +17,8 @@
void SDK_Init()
{
CheckCPU(); // Check CPU as early as possible, SpdLog also uses SIMD intrinsics.
if (strstr(GetCommandLineA(), "-launcher"))
{
g_svCmdLine = GetCommandLineA();

4
r5dev/core/init.cpp
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@ -416,9 +416,13 @@ void QuerySystemInfo()
spdlog::error("Unable to retrieve system memory information: {:s}\n",
std::system_category().message(static_cast<int>(::GetLastError())));
}
}
void CheckCPU() // Respawn's engine utilizes POPCNT, SSE3 and SSSE3 (Supplemental SSE 3 Instructions), which is checked in r5apex.exe after we have initialized. We only use up to SSE2.
{
if (!s_bMathlibInitialized)
{
const CPUInformation& pi = GetCPUInformation();
if (!(pi.m_bSSE && pi.m_bSSE2))
{
if (MessageBoxA(NULL, "SSE and SSE2 are required.", "Unsupported CPU", MB_ICONERROR | MB_OK))

1
r5dev/core/init.h
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@ -14,6 +14,7 @@ void Systems_Shutdown();
void WinSock_Init();
void WinSock_Shutdown();
void QuerySystemInfo();
void CheckCPU();
void DetourInit();
void DetourAddress();