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- Added preloading of fonts to reduce the chance that characters from a single

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font will require more than one hardware texture to display.


SVN r717 (trunk)
This commit is contained in:
Randy Heit 2008-01-27 05:23:10 +00:00
commit 499fefec07
4 changed files with 52 additions and 0 deletions
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44
src/v_font.cpp
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@ -741,6 +741,50 @@ int FFont::GetCharWidth (int code) const
return Chars[code - FirstChar].Pic->GetScaledWidth();
}
//==========================================================================
//
// FFont :: Preload
//
// Loads most of the 7-bit ASCII characters. In the case of D3DFB, this
// means all the characters of a font have a better chance of being packed
// into the same hardware texture.
//
//==========================================================================
void FFont::Preload() const
{
// First and last char are the same? Wait until it's actually needed
// since nothing is gained by preloading now.
if (FirstChar == LastChar)
{
return;
}
for (int i = MAX(FirstChar, 0x21); i < MIN(LastChar, 0x7e); ++i)
{
int foo;
FTexture *pic = GetChar(i, &foo);
if (pic != NULL)
{
pic->GetNative(false);
}
}
}
//==========================================================================
//
// FFont :: StaticPreloadFonts
//
// Preloads all the defined fonts.
//
//==========================================================================
void FFont::StaticPreloadFonts()
{
for (FFont *font = FirstFont; font != NULL; font = font->Next)
{
font->Preload();
}
}
//==========================================================================
//