FGFS-4.1/OpenSceneGraph
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Added SceneView::s/getDrawBufferValue(GLenum) to allow customization of what

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glDrawBuffer() value is set on each frame.
This commit is contained in:
Robert Osfield
2003-10-17 10:25:59 +00:00
parent 8b0a5035b2
commit 594f25b5d1
2 changed files with 43 additions and 6 deletions
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21
include/osgUtil/SceneView
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@@ -190,6 +190,17 @@ class OSGUTIL_EXPORT SceneView : public osg::Referenced
/** Set to the position and orientation of view matrix, using the same convention as gluLookAt. */
void setViewMatrixAsLookAt(const osg::Vec3& eye,const osg::Vec3& center,const osg::Vec3& up);
/** Set the draw buffer value used at the start of each frame draw. Note, overridden in quad buffer stereo mode */
void setDrawBufferValue( GLenum drawBufferValue )
{
_drawBufferValue = drawBufferValue;
}
/** Get the draw buffer value used at the start of each frame draw. */
GLenum getDrawBufferValue() const
{
return _drawBufferValue;
}
/** Get the view matrix. */
osg::Matrixd& getViewMatrix() { return _viewMatrix; }
@@ -296,10 +307,10 @@ class OSGUTIL_EXPORT SceneView : public osg::Referenced
/** Set the FusionDistanceMode and Value. Note, is used only when working in stereo.*/
void setFusionDistance(FusionDistanceMode mode,float value=1.0f)
{
_fusionDistanceMode = mode;
_fusionDistanceValue = value;
}
{
_fusionDistanceMode = mode;
_fusionDistanceValue = value;
}
/** Get the FusionDistanceMode.*/
FusionDistanceMode getFusionDistanceMode() const { return _fusionDistanceMode; }
@@ -472,6 +483,8 @@ class OSGUTIL_EXPORT SceneView : public osg::Referenced
bool _prioritizeTextures;
GLenum _drawBufferValue;
};
}

28
src/osgUtil/SceneView.cpp
View File

@@ -56,6 +56,8 @@ SceneView::SceneView(DisplaySettings* ds)
_cullMask = 0xffffffff;
_cullMaskLeft = 0xffffffff;
_cullMaskRight = 0xffffffff;
_drawBufferValue = GL_BACK;
}
@@ -640,6 +642,10 @@ void SceneView::draw()
break;
case(osg::DisplaySettings::ANAGLYPHIC):
{
if( _drawBufferValue != GL_NONE)
{
glDrawBuffer(_drawBufferValue);
}
_localStateSet->setAttribute(_viewport.get());
@@ -687,6 +693,11 @@ void SceneView::draw()
break;
case(osg::DisplaySettings::HORIZONTAL_SPLIT):
{
if( _drawBufferValue != GL_NONE)
{
glDrawBuffer(_drawBufferValue);
}
// ensure that all color planes are active.
osg::ColorMask* cmask = static_cast<osg::ColorMask*>(_localStateSet->getAttribute(osg::StateAttribute::COLORMASK));
if (cmask)
@@ -744,6 +755,11 @@ void SceneView::draw()
break;
case(osg::DisplaySettings::VERTICAL_SPLIT):
{
if( _drawBufferValue != GL_NONE)
{
glDrawBuffer(_drawBufferValue);
}
// ensure that all color planes are active.
osg::ColorMask* cmask = static_cast<osg::ColorMask*>(_localStateSet->getAttribute(osg::StateAttribute::COLORMASK));
if (cmask)
@@ -800,6 +816,11 @@ void SceneView::draw()
case(osg::DisplaySettings::RIGHT_EYE):
case(osg::DisplaySettings::LEFT_EYE):
{
if( _drawBufferValue != GL_NONE)
{
glDrawBuffer(_drawBufferValue);
}
// ensure that all color planes are active.
osg::ColorMask* cmask = static_cast<osg::ColorMask*>(_localStateSet->getAttribute(osg::StateAttribute::COLORMASK));
if (cmask)
@@ -829,8 +850,11 @@ void SceneView::draw()
else
{
// Need to restore draw buffer when toggling Stereo off.
glDrawBuffer(GL_BACK);
// Need to restore draw buffer when toggling Stereo off.
if( _drawBufferValue != GL_NONE)
{
glDrawBuffer(_drawBufferValue);
}
_localStateSet->setAttribute(_viewport.get());