FGFS-4.1/OpenSceneGraph
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Beginings of support for quad bufferd, red/green, and slit screen stereo.

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This commit is contained in:
Robert Osfield
2001-12-02 22:20:46 +00:00
parent bca8b68a18
commit 34a4c18a26
8 changed files with 248 additions and 34 deletions
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6
src/osgUtil/RenderStage.cpp
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@@ -73,6 +73,10 @@ void RenderStage::draw(osg::State& state,RenderLeaf*& previous)
// glEnable( GL_DEPTH_TEST );
// set which color planes to operate on.
if (_colorMask.valid()) _colorMask->apply(state);
else glColorMask(GL_TRUE,GL_TRUE,GL_TRUE,GL_TRUE);
if (_clearMask & GL_COLOR_BUFFER_BIT)
glClearColor( _clearColor[0], _clearColor[1], _clearColor[2], _clearColor[3]);
@@ -85,8 +89,6 @@ void RenderStage::draw(osg::State& state,RenderLeaf*& previous)
if (_clearMask & GL_ACCUM_BUFFER_BIT)
glClearAccum( _clearAccum[0], _clearAccum[1], _clearAccum[2], _clearAccum[3]);
// clear a color bit planes - osg::ColorMask could also be used here.
glColorMask(GL_TRUE,GL_TRUE,GL_TRUE,GL_TRUE);
glClear( _clearMask );

72
src/osgUtil/SceneView.cpp
View File

@@ -45,14 +45,23 @@ void SceneView::setDefaults()
_lightingMode=HEADLIGHT;
_light = new osg::Light;
_light->setAmbient(Vec4(0.05f,0.05f,0.05f,1.0f));
_light->setAmbient(Vec4(0.00f,0.0f,0.00f,1.0f));
_light->setDiffuse(Vec4(0.8f,0.8f,0.8f,1.0f));
_light->setSpecular(Vec4(0.1f,0.1f,0.1f,1.0f));
_light->setSpecular(Vec4(1.0f,1.0f,1.0f,1.0f));
_camera = new Camera;
_state = new State;
_camera = new Camera;
_stereoMode = MONO;
_leftEye.set(-0.03f,0.0f,0.0f);
_rightEye.set(0.03f,0.0f,0.0f);
_focalLength = 1.0f;
_screenDistance = 1.0f;
_rendergraph = new RenderGraph;
_renderStage = new RenderStage;
@@ -281,7 +290,60 @@ void SceneView::draw()
osg::Texture::flushDeletedTextureObjects(_state->getContextID());
RenderLeaf* previous = NULL;
_renderStage->draw(*_state,previous);
switch(getStereoMode())
{
case(MONO):
{
_renderStage->draw(*_state,previous);
}
break;
case(QUAD_BUFFER_STEREO):
{
osg::ref_ptr<osg::Camera> left_camera = new osg::Camera(*_camera);
osg::ref_ptr<osg::Camera> right_camera = new osg::Camera(*_camera);
float screenDistance = 3.5f;
float iod = 0.05;
left_camera->adjustEyeOffsetForStereo(osg::Vec3(-iod*0.5,0.0f,0.0f),screenDistance);
right_camera->adjustEyeOffsetForStereo(osg::Vec3(iod*0.5,0.0f,0.0f),screenDistance);
cout << "draw"<<endl;
cout << " back left"<<endl;
glDrawBuffer(GL_BACK_LEFT);
_renderStage->setCamera(left_camera.get());
_renderStage->draw(*_state,previous);
cout << " back right"<<endl;
glDrawBuffer(GL_BACK_RIGHT);
_renderStage->setCamera(right_camera.get());
_renderStage->_stageDrawnThisFrame = false;
_renderStage->draw(*_state,previous);
}
break;
case(RED_GREEN_STEREO):
{
osg::ColorMask* red = new osg::ColorMask;
osg::ColorMask* green = new osg::ColorMask;
red->setMask(true,false,false,true);
_renderStage->setColorMask(red);
_renderStage->draw(*_state,previous);
green->setMask(false,true,false,true);
_renderStage->setColorMask(green);
_renderStage->_stageDrawnThisFrame = false;
_renderStage->draw(*_state,previous);
}
break;
default:
{
_renderStage->draw(*_state,previous);
}
break;
}
GLenum errorNo = glGetError();
if (errorNo!=GL_NO_ERROR)