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Float to int is slow on ppc. It requires a store, a big stall, and then a load. It's even worse on a G5 if the compiler is dumb (and let's face it, I'm using gcc here...). Just use lroundf when we want an int. It will certainly be no slower.

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This commit is contained in:
Steve Checkoway
2007-01-02 23:36:44 +00:00
parent 7a6eabd616
commit eb0b26cd82
17 changed files with 37 additions and 37 deletions
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stepmania/src/ScreenNameEntry.cpp
+2 -2
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@@ -67,7 +67,7 @@ void ScreenNameEntry::ScrollingText::Init( const RString &sName, const vector<fl
void ScreenNameEntry::ScrollingText::DrawPrimitives()
{
const float fFakeBeat = GAMESTATE->m_fSongBeat;
const size_t iClosestIndex = (int)roundf( fFakeBeat ) % g_sNameChars.size();
const size_t iClosestIndex = lroundf( fFakeBeat ) % g_sNameChars.size();
const float fClosestYOffset = GetClosestCharYOffset( fFakeBeat );
size_t iCharIndex = ( iClosestIndex - NUM_CHARS_TO_DRAW_BEHIND + g_sNameChars.size() ) % g_sNameChars.size();
@@ -103,7 +103,7 @@ void ScreenNameEntry::ScrollingText::DrawPrimitives()
char ScreenNameEntry::ScrollingText::GetClosestChar( float fFakeBeat ) const
{
ASSERT( fFakeBeat >= 0.f );
return g_sNameChars[(size_t)roundf(fFakeBeat) % g_sNameChars.size()];
return g_sNameChars[lroundf(fFakeBeat) % g_sNameChars.size()];
}
// return value is relative to gray arrows