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Added DisplaySettings::s/getNvOptimusEnablement() and OSG_NvOptimusEnablement env var control to control the setting of the NvOptimusEnablement variable

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git-svn-id: http://svn.openscenegraph.org/osg/OpenSceneGraph/trunk@14614 16af8721-9629-0410-8352-f15c8da7e697
This commit is contained in:
Robert Osfield 2014-12-18 10:59:07 +00:00
parent 075e874c85
commit 6f9ac83693
2 changed files with 31 additions and 1 deletions
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5
include/osg/DisplaySettings
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@ -293,6 +293,11 @@ class OSG_EXPORT DisplaySettings : public osg::Referenced
/** Get the hint of the profile mask to use in when creating graphic contexts.*/
unsigned int getGLContextProfileMask() const { return _glContextProfileMask; }
/** Set the NvOptimusEnablement value. Default can be set using OSG_NvOptimusEnablement env var.*/
void setNvOptimusEnablement(int value);
/** Get the NvOptimusEnablement value. */
int getNvOptimusEnablement() const;
void setKeystoneHint(bool enabled) { _keystoneHint = enabled; }
bool getKeystoneHint() const { return _keystoneHint; }

27
src/osg/DisplaySettings.cpp
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@ -23,12 +23,30 @@
using namespace osg;
using namespace std;
#if defined(WIN32) && !defined(__CYGWIN__)
extern "C" { _declspec(dllexport) DWORD NvOptimusEnablement=0x00000001; }
#else
extern "C" { int NvOptimusEnablement=0x00000001; }
#endif
void DisplaySettings::setNvOptimusEnablement(int value)
{
NvOptimusEnablement = value;
}
int DisplaySettings::getNvOptimusEnablement() const
{
return NvOptimusEnablement;
}
ref_ptr<DisplaySettings>& DisplaySettings::instance()
{
static ref_ptr<DisplaySettings> s_displaySettings = new DisplaySettings;
return s_displaySettings;
}
OSG_INIT_SINGLETON_PROXY(ProxyInitDisplaySettings, DisplaySettings::instance())
DisplaySettings::DisplaySettings(const DisplaySettings& vs):Referenced(true)
{
setDisplaySettings(vs);
@ -334,10 +352,12 @@ static ApplicationUsageProxy DisplaySetting_e28(ApplicationUsage::ENVIRONMENTAL_
static ApplicationUsageProxy DisplaySetting_e29(ApplicationUsage::ENVIRONMENTAL_VARIABLE,
"OSG_KEYSTONE_FILES <filename>[:filename]..",
"Specify filenames of keystone parameter files. Under Windows use ; to deliminate files, otherwise use :");
static ApplicationUsageProxy DisplaySetting_e30(ApplicationUsage::ENVIRONMENTAL_VARIABLE,
"OSG_MENUBAR_BEHAVIOR <behavior>",
"OSX Only : Specify the behavior of the menubar (AUTO_HIDE, FORCE_HIDE, FORCE_SHOW)");
static ApplicationUsageProxy DisplaySetting_e31(ApplicationUsage::ENVIRONMENTAL_VARIABLE,
"OSG_NvOptimusEnablement <value>",
"Set the hint to NvOptimus of whether to enable it or not, set 1 to enable, 0 to disable");
void DisplaySettings::readEnvironmentalVariables()
{
@ -704,6 +724,11 @@ void DisplaySettings::readEnvironmentalVariables()
_OSXMenubarBehavior = MENUBAR_FORCE_SHOW;
}
}
if( (ptr = getenv("OSG_NvOptimusEnablement")) != 0)
{
setNvOptimusEnablement(atoi(ptr));
}
}
void DisplaySettings::readCommandLine(ArgumentParser& arguments)