TorqueGameEngines/Torque3D
1
0
Fork 0
mirror of https://github.com/TorqueGameEngines/Torque3D.git synced 2026-07-15 08:34:40 +00:00
Code Issues Projects Releases Packages Wiki Activity Actions

Add math control state functions for intel

Browse source
This commit is contained in:
James Urquhart 2015-02-10 22:54:18 +00:00
parent 47d5d80e80
commit a3f8227541
2 changed files with 42 additions and 13 deletions
Download patch file Download diff file Expand all files Collapse all files

18
Engine/source/platformMac/macCarbMath.cpp
View file

@ -34,17 +34,21 @@ static MRandomLCG sgPlatRandom;
U32 Platform::getMathControlState() U32 Platform::getMathControlState()
{ {
return 0; U16 cw;
} asm("fstcw %0" : "=m" (cw) :);
return cw;
void Platform::setMathControlStateKnown()
{
} }
void Platform::setMathControlState(U32 state) void Platform::setMathControlState(U32 state)
{ {
U16 cw = state;
asm("fldcw %0" : : "m" (cw));
}
void Platform::setMathControlStateKnown()
{
U16 cw = 0x27F;
asm("fldcw %0" : : "m" (cw));
} }
//-------------------------------------- //--------------------------------------

37
Engine/source/platformX86UNIX/x86UNIXMath.cpp
View file

@ -130,17 +130,42 @@ F32 Platform::getRandom()
return sgPlatRandom.randF(); return sgPlatRandom.randF();
} }
#if defined(i386) || defined(__x86_64__)
U32 Platform::getMathControlState()
{
U16 cw;
asm("fstcw %0" : "=m" (cw) :);
return cw;
}
void Platform::setMathControlState(U32 state)
{
U16 cw = state;
asm("fldcw %0" : : "m" (cw));
}
void Platform::setMathControlStateKnown()
{
U16 cw = 0x27F;
asm("fldcw %0" : : "m" (cw));
}
#else
U32 Platform::getMathControlState() U32 Platform::getMathControlState()
{ {
return 0; return 0;
} }
void Platform::setMathControlStateKnown()
{
}
void Platform::setMathControlState(U32 state) void Platform::setMathControlState(U32 state)
{ {
} }
void Platform::setMathControlStateKnown()
{
}
#endif