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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/BitmapText.cpp
+5 -5
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@@ -191,7 +191,7 @@ void BitmapText::BuildChars()
switch( m_VertAlign )
{
case VertAlign_Top: iY = 0; break;
case VertAlign_Middle: iY = -(int)roundf(m_size.y/2.0f); break;
case VertAlign_Middle: iY = -lroundf(m_size.y/2.0f); break;
case VertAlign_Bottom: iY = -(int)m_size.y; break;
default: ASSERT( false );
}
@@ -209,7 +209,7 @@ void BitmapText::BuildChars()
switch( m_HorizAlign )
{
case HorizAlign_Left: iX = 0; break;
case HorizAlign_Center: iX = -(int)roundf(iLineWidth/2.0f); break;
case HorizAlign_Center: iX = -lroundf(iLineWidth/2.0f); break;
case HorizAlign_Right: iX = -iLineWidth; break;
default: ASSERT( false );
}
@@ -254,8 +254,8 @@ void BitmapText::DrawChars()
return;
const int iNumGlyphs = m_pTextures.size();
int iStartGlyph = (int) roundf( SCALE( m_pTempState->crop.left, 0.f, 1.f, 0, (float) iNumGlyphs ) );
int iEndGlyph = (int) roundf( SCALE( m_pTempState->crop.right, 0.f, 1.f, (float) iNumGlyphs, 0 ) );
int iStartGlyph = lroundf( SCALE( m_pTempState->crop.left, 0.f, 1.f, 0, (float) iNumGlyphs ) );
int iEndGlyph = lroundf( SCALE( m_pTempState->crop.right, 0.f, 1.f, (float) iNumGlyphs, 0 ) );
iStartGlyph = clamp( iStartGlyph, 0, iNumGlyphs );
iEndGlyph = clamp( iEndGlyph, 0, iNumGlyphs );
@@ -565,7 +565,7 @@ void BitmapText::DrawPrimitives()
vector<RageVector3> vGlyphJitter;
if( m_bJitter )
{
int iSeed = (int)roundf( RageTimer::GetTimeSinceStartFast()*8 );
int iSeed = lroundf( RageTimer::GetTimeSinceStartFast()*8 );
RandomGen rnd( iSeed );
for( unsigned i=0; i<m_aVertices.size(); i+=4 )