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Don't attempt to change the display modes unless it's needed. (It's most likely a no-op, but don't even bother.)

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This commit is contained in:
Steve Checkoway
2006-01-20 11:33:07 +00:00
parent 6b236cee94
commit cdd1f94019
1 changed files with 20 additions and 15 deletions
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stepmania/src/arch/LowLevelWindow/LowLevelWindow_Cocoa.mm
+20 -15
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@@ -188,18 +188,19 @@ CString LowLevelWindow_Cocoa::TryVideoMode( const VideoModeParams& p, bool& newD
m_CurrentParams.PAL = p.PAL;
m_CurrentParams.fDisplayAspectRatio = p.fDisplayAspectRatio;
#define X(x) p.x == m_CurrentParams.x
if( X(windowed) && X(bpp) && X(width) && X(height) && X(rate) && X(vsync) )
return 0;
#define X(x) p.x != m_CurrentParams.x
const bool bRebuildContext = X(bpp) || X(windowed) || !m_Context;
const bool bChangeMode = X(bpp) || X(width) || X(height) || X(rate);
const bool bChangeVsync = X(vsync);
#undef X
if( !bRebuildContext && !bChangeMode && !bChangeVsync )
return CString();
POOL;
newDeviceOut = false;
NSRect contentRect = { { 0, 0 }, { p.width, p.height } };
const bool bRebuildContext = p.bpp != m_CurrentParams.bpp ||
!m_Context || p.windowed != m_CurrentParams.windowed;
NSRect contentRect = { { 0, 0 }, { p.width, p.height } };
ASSERT( p.bpp == 16 || p.bpp == 32 );
@@ -237,12 +238,13 @@ CString LowLevelWindow_Cocoa::TryVideoMode( const VideoModeParams& p, bool& newD
return CString();
}
int result = ChangeDisplayMode( p );
if( result )
if( bChangeMode )
{
return ssprintf( "Failed to switch to full screen:%d x %d @ %d. Error %d.",
p.width, p.height, p.rate, result );
int result = ChangeDisplayMode( p );
if( result )
return ssprintf( "Failed to switch to full screen:%d x %d @ %d. Error %d.",
p.width, p.height, p.rate, result );
}
if( bRebuildContext )
@@ -266,10 +268,13 @@ CString LowLevelWindow_Cocoa::TryVideoMode( const VideoModeParams& p, bool& newD
[m_Context update];
[m_Context makeCurrentContext];
long swap = p.vsync ? 1 : 0;
if( bChangeVsync )
{
long swap = p.vsync ? 1 : 0;
[m_Context setValues:&swap forParameter:NSOpenGLCPSwapInterval];
m_CurrentParams.vsync = p.vsync;
[m_Context setValues:&swap forParameter:NSOpenGLCPSwapInterval];
m_CurrentParams.vsync = p.vsync;
}
return CString();
}