From ff21af2b0d37940947d0ad440f71679f359968b5 Mon Sep 17 00:00:00 2001 From: Robert Osfield Date: Wed, 14 May 2014 16:00:08 +0000 Subject: [PATCH] Cleaned up code --- src/osgViewer/config/WoWVxDisplay.cpp | 1104 ------------------------- 1 file changed, 1104 deletions(-) diff --git a/src/osgViewer/config/WoWVxDisplay.cpp b/src/osgViewer/config/WoWVxDisplay.cpp index 17a369df6..8cba5bbb4 100644 --- a/src/osgViewer/config/WoWVxDisplay.cpp +++ b/src/osgViewer/config/WoWVxDisplay.cpp @@ -275,1107 +275,3 @@ void WoWVxDisplay::configure(osgViewer::View& view) const } } } - -#if 0 - -DepthPartitionSettings::DepthPartitionSettings(DepthMode mode): - _mode(mode), - _zNear(1.0), _zMid(5.0), _zFar(1000.0) -{} - -bool DepthPartitionSettings::getDepthRange(osg::View& view, unsigned int partition, double& zNear, double& zFar) -{ - switch(_mode) - { - case(FIXED_RANGE): - { - if (partition==0) - { - zNear = _zNear; - zFar = _zMid; - return true; - } - else if (partition==1) - { - zNear = _zMid; - zFar = _zFar; - return true; - } - return false; - } - case(BOUNDING_VOLUME): - { - osgViewer::View* view_withSceneData = dynamic_cast(&view); - const osg::Node* node = view_withSceneData ? view_withSceneData->getSceneData() : 0; - if (!node) return false; - - const osg::Camera* masterCamera = view.getCamera(); - if (!masterCamera) return false; - - osg::BoundingSphere bs = node->getBound(); - const osg::Matrixd& viewMatrix = masterCamera->getViewMatrix(); - //osg::Matrixd& projectionMatrix = masterCamera->getProjectionMatrix(); - - osg::Vec3d lookVectorInWorldCoords = osg::Matrixd::transform3x3(viewMatrix,osg::Vec3d(0.0,0.0,-1.0)); - lookVectorInWorldCoords.normalize(); - - osg::Vec3d nearPointInWorldCoords = bs.center() - lookVectorInWorldCoords*bs.radius(); - osg::Vec3d farPointInWorldCoords = bs.center() + lookVectorInWorldCoords*bs.radius(); - - osg::Vec3d nearPointInEyeCoords = nearPointInWorldCoords * viewMatrix; - osg::Vec3d farPointInEyeCoords = farPointInWorldCoords * viewMatrix; - -#if 0 - OSG_NOTICE<setNodeMask(0x0); - return; - } - else - { - camera->setNodeMask(0xffffff); - } - - if (camera->getProjectionMatrix()(0,3)==0.0 && - camera->getProjectionMatrix()(1,3)==0.0 && - camera->getProjectionMatrix()(2,3)==0.0) - { - double left, right, bottom, top, zNear, zFar; - camera->getProjectionMatrixAsOrtho(left, right, bottom, top, zNear, zFar); - camera->setProjectionMatrixAsOrtho(left, right, bottom, top, computed_zNear, computed_zFar); - } - else - { - double left, right, bottom, top, zNear, zFar; - camera->getProjectionMatrixAsFrustum(left, right, bottom, top, zNear, zFar); - - double nr = computed_zNear / zNear; - camera->setProjectionMatrixAsFrustum(left * nr, right * nr, bottom * nr, top * nr, computed_zNear, computed_zFar); - } - } - - osg::ref_ptr _dps; - unsigned int _partition; -}; - - -typedef std::list< osg::ref_ptr > Cameras; - -Cameras getActiveCameras(osg::View& view) -{ - Cameras activeCameras; - - if (view.getCamera() && view.getCamera()->getGraphicsContext()) - { - activeCameras.push_back(view.getCamera()); - } - - for(unsigned int i=0; igetGraphicsContext()) - { - activeCameras.push_back(slave._camera.get()); - } - } - return activeCameras; -} - -} - -bool View::setUpDepthPartitionForCamera(osg::Camera* cameraToPartition, DepthPartitionSettings* incomming_dps) -{ - osg::ref_ptr context = cameraToPartition->getGraphicsContext(); - if (!context) return false; - - osg::ref_ptr viewport = cameraToPartition->getViewport(); - if (!viewport) return false; - - osg::ref_ptr dps = incomming_dps; - if (!dps) dps = new DepthPartitionSettings; - - bool useMastersSceneData = true; - osg::Matrixd projectionOffset; - osg::Matrixd viewOffset; - - if (getCamera()==cameraToPartition) - { - // replace main camera with depth partition cameras - OSG_INFO<<"View::setUpDepthPartitionForCamera(..) Replacing main Camera"<=getNumSlaves()) return false; - - osg::View::Slave& slave = getSlave(i); - - useMastersSceneData = slave._useMastersSceneData; - projectionOffset = slave._projectionOffset; - viewOffset = slave._viewOffset; - - OSG_NOTICE<<"View::setUpDepthPartitionForCamera(..) Replacing slave Camera"<setGraphicsContext(0); - cameraToPartition->setViewport(0); - - // far camera - { - osg::ref_ptr camera = new osg::Camera; - camera->setGraphicsContext(context.get()); - camera->setViewport(viewport.get()); - - camera->setDrawBuffer(cameraToPartition->getDrawBuffer()); - camera->setReadBuffer(cameraToPartition->getReadBuffer()); - - camera->setComputeNearFarMode(osg::Camera::DO_NOT_COMPUTE_NEAR_FAR); - camera->setCullingMode(osg::Camera::ENABLE_ALL_CULLING); - - addSlave(camera.get()); - - osg::View::Slave& slave = getSlave(getNumSlaves()-1); - - slave._useMastersSceneData = useMastersSceneData; - slave._projectionOffset = projectionOffset; - slave._viewOffset = viewOffset; - slave._updateSlaveCallback = new osgDepthPartition::MyUpdateSlaveCallback(dps.get(), 1); - } - - // near camera - { - osg::ref_ptr camera = new osg::Camera; - camera->setGraphicsContext(context.get()); - camera->setViewport(viewport.get()); - - camera->setDrawBuffer(cameraToPartition->getDrawBuffer()); - camera->setReadBuffer(cameraToPartition->getReadBuffer()); - - camera->setComputeNearFarMode(osg::Camera::DO_NOT_COMPUTE_NEAR_FAR); - camera->setCullingMode(osg::Camera::ENABLE_ALL_CULLING); - camera->setClearMask(GL_DEPTH_BUFFER_BIT); - - addSlave(camera.get()); - - osg::View::Slave& slave = getSlave(getNumSlaves()-1); - slave._useMastersSceneData = useMastersSceneData; - slave._projectionOffset = projectionOffset; - slave._viewOffset = viewOffset; - slave._updateSlaveCallback = new osgDepthPartition::MyUpdateSlaveCallback(dps.get(), 0); - } - - return true; -} - - - -bool View::setUpDepthPartition(DepthPartitionSettings* dsp) -{ - osgDepthPartition::Cameras originalCameras = osgDepthPartition::getActiveCameras(*this); - if (originalCameras.empty()) - { - OSG_INFO<<"osgView::View::setUpDepthPartition(,..), no windows assigned, doing view.setUpViewAcrossAllScreens()"<areThreadsRunning(); - if (threadsWereRunning) getViewerBase()->stopThreading(); - - for(osgDepthPartition::Cameras::iterator itr = originalCameras.begin(); - itr != originalCameras.end(); - ++itr) - { - setUpDepthPartitionForCamera(itr->get(), dsp); - } - - if (threadsWereRunning) getViewerBase()->startThreading(); - - return true; -} - - -void View::StereoSlaveCallback::updateSlave(osg::View& view, osg::View::Slave& slave) -{ - osg::Camera* camera = slave._camera.get(); - osgViewer::View* viewer_view = dynamic_cast(&view); - - if (_ds.valid() && camera && viewer_view) - { - - // set projection matrix - if (_eyeScale<0.0) - { - camera->setProjectionMatrix(_ds->computeLeftEyeProjectionImplementation(view.getCamera()->getProjectionMatrix())); - } - else - { - camera->setProjectionMatrix(_ds->computeRightEyeProjectionImplementation(view.getCamera()->getProjectionMatrix())); - } - - double sd = _ds->getScreenDistance(); - double fusionDistance = sd; - switch(viewer_view->getFusionDistanceMode()) - { - case(osgUtil::SceneView::USE_FUSION_DISTANCE_VALUE): - fusionDistance = viewer_view->getFusionDistanceValue(); - break; - case(osgUtil::SceneView::PROPORTIONAL_TO_SCREEN_DISTANCE): - fusionDistance *= viewer_view->getFusionDistanceValue(); - break; - } - double eyeScale = osg::absolute(_eyeScale) * (fusionDistance/sd); - - if (_eyeScale<0.0) - { - camera->setViewMatrix(_ds->computeLeftEyeViewImplementation(view.getCamera()->getViewMatrix(), eyeScale)); - } - else - { - camera->setViewMatrix(_ds->computeRightEyeViewImplementation(view.getCamera()->getViewMatrix(), eyeScale)); - } - } - else - { - slave.updateSlaveImplementation(view); - } -} - -osg::Camera* View::assignStereoCamera(osg::DisplaySettings* ds, osg::GraphicsContext* gc, int x, int y, int width, int height, GLenum buffer, double eyeScale) -{ - osg::ref_ptr camera = new osg::Camera; - - camera->setGraphicsContext(gc); - camera->setViewport(new osg::Viewport(x,y, width, height)); - camera->setDrawBuffer(buffer); - camera->setReadBuffer(buffer); - - // add this slave camera to the viewer, with a shift left of the projection matrix - addSlave(camera.get(), osg::Matrixd::identity(), osg::Matrixd::identity()); - - // assign update callback to maintain the correct view and projection matrices - osg::View::Slave& slave = getSlave(getNumSlaves()-1); - slave._updateSlaveCallback = new StereoSlaveCallback(ds, eyeScale); - - return camera.release(); -} - -static const GLubyte patternVertEven[] = { - 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, - 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, - 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, - 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, - 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, - 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, - 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, - 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, - 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, - 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, - 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, - 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, - 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, - 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, - 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, - 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55}; - -static const GLubyte patternVertOdd[] = { - 0xAA, 0xAA, 0xAA, 0xAA, 0xAA, 0xAA, 0xAA, 0xAA, - 0xAA, 0xAA, 0xAA, 0xAA, 0xAA, 0xAA, 0xAA, 0xAA, - 0xAA, 0xAA, 0xAA, 0xAA, 0xAA, 0xAA, 0xAA, 0xAA, - 0xAA, 0xAA, 0xAA, 0xAA, 0xAA, 0xAA, 0xAA, 0xAA, - 0xAA, 0xAA, 0xAA, 0xAA, 0xAA, 0xAA, 0xAA, 0xAA, - 0xAA, 0xAA, 0xAA, 0xAA, 0xAA, 0xAA, 0xAA, 0xAA, - 0xAA, 0xAA, 0xAA, 0xAA, 0xAA, 0xAA, 0xAA, 0xAA, - 0xAA, 0xAA, 0xAA, 0xAA, 0xAA, 0xAA, 0xAA, 0xAA, - 0xAA, 0xAA, 0xAA, 0xAA, 0xAA, 0xAA, 0xAA, 0xAA, - 0xAA, 0xAA, 0xAA, 0xAA, 0xAA, 0xAA, 0xAA, 0xAA, - 0xAA, 0xAA, 0xAA, 0xAA, 0xAA, 0xAA, 0xAA, 0xAA, - 0xAA, 0xAA, 0xAA, 0xAA, 0xAA, 0xAA, 0xAA, 0xAA, - 0xAA, 0xAA, 0xAA, 0xAA, 0xAA, 0xAA, 0xAA, 0xAA, - 0xAA, 0xAA, 0xAA, 0xAA, 0xAA, 0xAA, 0xAA, 0xAA, - 0xAA, 0xAA, 0xAA, 0xAA, 0xAA, 0xAA, 0xAA, 0xAA, - 0xAA, 0xAA, 0xAA, 0xAA, 0xAA, 0xAA, 0xAA, 0xAA}; - -static const GLubyte patternHorzEven[] = { - 0xFF, 0xFF, 0xFF, 0xFF, 0x00, 0x00, 0x00, 0x00, - 0xFF, 0xFF, 0xFF, 0xFF, 0x00, 0x00, 0x00, 0x00, - 0xFF, 0xFF, 0xFF, 0xFF, 0x00, 0x00, 0x00, 0x00, - 0xFF, 0xFF, 0xFF, 0xFF, 0x00, 0x00, 0x00, 0x00, - 0xFF, 0xFF, 0xFF, 0xFF, 0x00, 0x00, 0x00, 0x00, - 0xFF, 0xFF, 0xFF, 0xFF, 0x00, 0x00, 0x00, 0x00, - 0xFF, 0xFF, 0xFF, 0xFF, 0x00, 0x00, 0x00, 0x00, - 0xFF, 0xFF, 0xFF, 0xFF, 0x00, 0x00, 0x00, 0x00, - 0xFF, 0xFF, 0xFF, 0xFF, 0x00, 0x00, 0x00, 0x00, - 0xFF, 0xFF, 0xFF, 0xFF, 0x00, 0x00, 0x00, 0x00, - 0xFF, 0xFF, 0xFF, 0xFF, 0x00, 0x00, 0x00, 0x00, - 0xFF, 0xFF, 0xFF, 0xFF, 0x00, 0x00, 0x00, 0x00, - 0xFF, 0xFF, 0xFF, 0xFF, 0x00, 0x00, 0x00, 0x00, - 0xFF, 0xFF, 0xFF, 0xFF, 0x00, 0x00, 0x00, 0x00, - 0xFF, 0xFF, 0xFF, 0xFF, 0x00, 0x00, 0x00, 0x00, - 0xFF, 0xFF, 0xFF, 0xFF, 0x00, 0x00, 0x00, 0x00}; - -// 32 x 32 bit array every row is a horizontal line of pixels -// and the (bitwise) columns a vertical line -// The following is a checkerboard pattern -static const GLubyte patternCheckerboard[] = { - 0x55, 0x55, 0x55, 0x55, - 0xAA, 0xAA, 0xAA, 0xAA, - 0x55, 0x55, 0x55, 0x55, - 0xAA, 0xAA, 0xAA, 0xAA, - 0x55, 0x55, 0x55, 0x55, - 0xAA, 0xAA, 0xAA, 0xAA, - 0x55, 0x55, 0x55, 0x55, - 0xAA, 0xAA, 0xAA, 0xAA, - 0x55, 0x55, 0x55, 0x55, - 0xAA, 0xAA, 0xAA, 0xAA, - 0x55, 0x55, 0x55, 0x55, - 0xAA, 0xAA, 0xAA, 0xAA, - 0x55, 0x55, 0x55, 0x55, - 0xAA, 0xAA, 0xAA, 0xAA, - 0x55, 0x55, 0x55, 0x55, - 0xAA, 0xAA, 0xAA, 0xAA, - 0x55, 0x55, 0x55, 0x55, - 0xAA, 0xAA, 0xAA, 0xAA, - 0x55, 0x55, 0x55, 0x55, - 0xAA, 0xAA, 0xAA, 0xAA, - 0x55, 0x55, 0x55, 0x55, - 0xAA, 0xAA, 0xAA, 0xAA, - 0x55, 0x55, 0x55, 0x55, - 0xAA, 0xAA, 0xAA, 0xAA, - 0x55, 0x55, 0x55, 0x55, - 0xAA, 0xAA, 0xAA, 0xAA, - 0x55, 0x55, 0x55, 0x55, - 0xAA, 0xAA, 0xAA, 0xAA, - 0x55, 0x55, 0x55, 0x55, - 0xAA, 0xAA, 0xAA, 0xAA, - 0x55, 0x55, 0x55, 0x55, - 0xAA, 0xAA, 0xAA, 0xAA}; - - -void View::setUpViewForStereo() -{ - osg::DisplaySettings* ds = _displaySettings.valid() ? _displaySettings.get() : osg::DisplaySettings::instance().get(); - if (!ds->getStereo()) return; - - ds->setUseSceneViewForStereoHint(false); - - typedef std::vector< osg::ref_ptr > Keystones; - Keystones keystones; - if (ds->getKeystoneHint() && !ds->getKeystones().empty()) - { - for(osg::DisplaySettings::Objects::iterator itr = ds->getKeystones().begin(); - itr != ds->getKeystones().end(); - ++itr) - { - Keystone* keystone = dynamic_cast(itr->get()); - if (keystone) keystones.push_back(keystone); - } - } - - if (ds->getKeystoneHint()) - { - while(keystones.size()<2) keystones.push_back(new Keystone); - } - - - // set up view's main camera - { - double height = osg::DisplaySettings::instance()->getScreenHeight(); - double width = osg::DisplaySettings::instance()->getScreenWidth(); - double distance = osg::DisplaySettings::instance()->getScreenDistance(); - double vfov = osg::RadiansToDegrees(atan2(height/2.0f,distance)*2.0); - - getCamera()->setProjectionMatrixAsPerspective( vfov, width/height, 1.0f,10000.0f); - } - - - int screenNum = 0; - - osg::GraphicsContext::WindowingSystemInterface* wsi = osg::GraphicsContext::getWindowingSystemInterface(); - if (!wsi) - { - OSG_NOTICE<<"Error, no WindowSystemInterface available, cannot create windows."<getNumScreens(si); - - osg::GraphicsContext::ScreenIdentifier si; - si.readDISPLAY(); - - // displayNum has not been set so reset it to 0. - if (si.displayNum<0) si.displayNum = 0; - - si.screenNum = screenNum; - - unsigned int width, height; - wsi->getScreenResolution(si, width, height); - -// width/=2; height/=2; - - osg::ref_ptr traits = new osg::GraphicsContext::Traits(ds); - traits->hostName = si.hostName; - traits->displayNum = si.displayNum; - traits->screenNum = si.screenNum; - traits->x = 0; - traits->y = 0; - traits->width = width; - traits->height = height; - traits->windowDecoration = false; - traits->doubleBuffer = true; - traits->sharedContext = 0; - - OSG_NOTICE<<"traits->stencil="<stencil< gc = osg::GraphicsContext::createGraphicsContext(traits.get()); - if (!gc) - { - OSG_NOTICE<<"GraphicsWindow has not been created successfully."<getStereoMode()) - { - case(osg::DisplaySettings::QUAD_BUFFER): - { - // left Camera left buffer - osg::ref_ptr left_camera = assignStereoCamera(ds, gc.get(), 0, 0, traits->width, traits->height, traits->doubleBuffer ? GL_BACK_LEFT : GL_FRONT_LEFT, -1.0); - left_camera->setClearMask(GL_COLOR_BUFFER_BIT|GL_DEPTH_BUFFER_BIT); - left_camera->setRenderOrder(osg::Camera::NESTED_RENDER, 0); - - // right Camera right buffer - osg::ref_ptr right_camera = assignStereoCamera(ds, gc.get(), 0, 0, traits->width, traits->height, traits->doubleBuffer ? GL_BACK_RIGHT : GL_FRONT_RIGHT, 1.0); - right_camera->setClearMask(GL_DEPTH_BUFFER_BIT); - right_camera->setRenderOrder(osg::Camera::NESTED_RENDER, 1); - - // for keystone: - // left camera to render to left texture - // right camera to render to right texture - // left keystone camera to render to left buffer - // left keystone camera to render to right buffer - // one keystone and editing for the one window - - if (!keystones.empty()) - { - // for keystone: - // left camera to render to left texture using whole viewport of left texture - // right camera to render to right texture using whole viewport of right texture - // left keystone camera to render to left viewport/window - // right keystone camera to render to right viewport/window - // two keystone, one for each of the left and right viewports/windows - - osg::ref_ptr keystone = keystones.front(); - - // create distortion texture - osg::ref_ptr left_texture = createDistortionTexture(traits->width, traits->height); - - // convert to RTT Camera - left_camera->setViewport(0, 0, traits->width, traits->height); - left_camera->setDrawBuffer(GL_FRONT); - left_camera->setReadBuffer(GL_FRONT); - left_camera->setAllowEventFocus(true); - left_camera->setRenderTargetImplementation(osg::Camera::FRAME_BUFFER_OBJECT); - - // attach the texture and use it as the color buffer. - left_camera->attach(osg::Camera::COLOR_BUFFER, left_texture.get()); - - - // create distortion texture - osg::ref_ptr right_texture = createDistortionTexture(traits->width, traits->height); - - // convert to RTT Camera - right_camera->setViewport(0, 0, traits->width, traits->height); - right_camera->setDrawBuffer(GL_FRONT); - right_camera->setReadBuffer(GL_FRONT); - right_camera->setAllowEventFocus(true); - right_camera->setRenderTargetImplementation(osg::Camera::FRAME_BUFFER_OBJECT); - - // attach the texture and use it as the color buffer. - right_camera->attach(osg::Camera::COLOR_BUFFER, right_texture.get()); - - - // create Keystone left distortion camera - keystone->setGridColor(osg::Vec4(1.0f,0.0f,0.0,1.0)); - osg::ref_ptr left_keystone_camera = assignKeystoneDistortionCamera(ds, gc.get(), - 0, 0, traits->width, traits->height, - traits->doubleBuffer ? GL_BACK_LEFT : GL_FRONT_LEFT, - left_texture.get(), keystone.get()); - - left_keystone_camera->setRenderOrder(osg::Camera::NESTED_RENDER, 2); - - // attach Keystone editing event handler. - left_keystone_camera->addEventCallback(new KeystoneHandler(keystone.get())); - - - // create Keystone right distortion camera - osg::ref_ptr right_keystone_camera = assignKeystoneDistortionCamera(ds, gc.get(), - 0, 0, traits->width, traits->height, - traits->doubleBuffer ? GL_BACK_RIGHT : GL_FRONT_RIGHT, - right_texture.get(), keystone.get()); - - right_keystone_camera->setRenderOrder(osg::Camera::NESTED_RENDER, 3); - right_keystone_camera->setAllowEventFocus(false); - - } - - break; - } - case(osg::DisplaySettings::ANAGLYPHIC): - { - // left Camera red - osg::ref_ptr left_camera = assignStereoCamera(ds, gc.get(), 0, 0, traits->width, traits->height, traits->doubleBuffer ? GL_BACK : GL_FRONT, -1.0); - left_camera->setClearMask(GL_COLOR_BUFFER_BIT|GL_DEPTH_BUFFER_BIT); - left_camera->getOrCreateStateSet()->setAttribute(new osg::ColorMask(true, false, false, true)); - left_camera->setRenderOrder(osg::Camera::NESTED_RENDER, 0); - - // right Camera cyan - osg::ref_ptr right_camera = assignStereoCamera(ds, gc.get(), 0, 0, traits->width, traits->height, traits->doubleBuffer ? GL_BACK : GL_FRONT, 1.0); - right_camera->setClearMask(GL_DEPTH_BUFFER_BIT); - right_camera->getOrCreateStateSet()->setAttribute(new osg::ColorMask(false, true, true, true)); - right_camera->setRenderOrder(osg::Camera::NESTED_RENDER, 1); - - if (!keystones.empty()) - { - // for keystone: - // left camera to render to texture using red colour mask - // right camera to render to same texture using cyan colour mask - // keystone camera to render to whole screen without colour masks - // one keystone and editing for the one window - - osg::ref_ptr keystone = keystones.front(); - - // create distortion texture - osg::ref_ptr texture = createDistortionTexture(traits->width, traits->height); - - // convert to RTT Camera - left_camera->setDrawBuffer(GL_FRONT); - left_camera->setReadBuffer(GL_FRONT); - left_camera->setAllowEventFocus(false); - right_camera->setRenderOrder(osg::Camera::NESTED_RENDER, 0); - left_camera->setRenderTargetImplementation(osg::Camera::FRAME_BUFFER_OBJECT); - - // attach the texture and use it as the color buffer. - left_camera->attach(osg::Camera::COLOR_BUFFER, texture.get()); - - - // convert to RTT Camera - right_camera->setDrawBuffer(GL_FRONT); - right_camera->setReadBuffer(GL_FRONT); - right_camera->setAllowEventFocus(false); - right_camera->setRenderOrder(osg::Camera::NESTED_RENDER, 1); - right_camera->setRenderTargetImplementation(osg::Camera::FRAME_BUFFER_OBJECT); - - // attach the texture and use it as the color buffer. - right_camera->attach(osg::Camera::COLOR_BUFFER, texture.get()); - - - // create Keystone distortion camera - osg::ref_ptr camera = assignKeystoneDistortionCamera(ds, gc.get(), - 0, 0, traits->width, traits->height, - traits->doubleBuffer ? GL_BACK : GL_FRONT, - texture.get(), keystone.get()); - - camera->setRenderOrder(osg::Camera::NESTED_RENDER, 2); - - // attach Keystone editing event handler. - camera->addEventCallback(new KeystoneHandler(keystone.get())); - } - - break; - } - case(osg::DisplaySettings::HORIZONTAL_SPLIT): - { - bool left_eye_left_viewport = ds->getSplitStereoHorizontalEyeMapping()==osg::DisplaySettings::LEFT_EYE_LEFT_VIEWPORT; - int left_start = (left_eye_left_viewport) ? 0 : traits->width/2; - int right_start = (left_eye_left_viewport) ? traits->width/2 : 0; - - // left viewport Camera - osg::ref_ptr left_camera = assignStereoCamera(ds, gc.get(), - left_start, 0, traits->width/2, traits->height, traits->doubleBuffer ? GL_BACK : GL_FRONT, - 1.0); - - // right viewport Camera - osg::ref_ptr right_camera = assignStereoCamera(ds, gc.get(), - right_start, 0, traits->width/2, traits->height, traits->doubleBuffer ? GL_BACK : GL_FRONT, - 1.0); - - if (!keystones.empty()) - { - // for keystone: - // left camera to render to left texture using whole viewport of left texture - // right camera to render to right texture using whole viewport of right texture - // left keystone camera to render to left viewport/window - // right keystone camera to render to right viewport/window - // two keystone, one for each of the left and right viewports/windows - - osg::ref_ptr left_keystone = keystones[0]; - osg::ref_ptr right_keystone = keystones[1]; - - // create distortion texture - osg::ref_ptr left_texture = createDistortionTexture(traits->width/2, traits->height); - - // convert to RTT Camera - left_camera->setViewport(0, 0, traits->width/2, traits->height); - left_camera->setDrawBuffer(GL_FRONT); - left_camera->setReadBuffer(GL_FRONT); - left_camera->setAllowEventFocus(true); - left_camera->setRenderOrder(osg::Camera::NESTED_RENDER, 0); - left_camera->setRenderTargetImplementation(osg::Camera::FRAME_BUFFER_OBJECT); - - // attach the texture and use it as the color buffer. - left_camera->attach(osg::Camera::COLOR_BUFFER, left_texture.get()); - - - // create distortion texture - osg::ref_ptr right_texture = createDistortionTexture(traits->width/2, traits->height); - - // convert to RTT Camera - right_camera->setViewport(0, 0, traits->width/2, traits->height); - right_camera->setDrawBuffer(GL_FRONT); - right_camera->setReadBuffer(GL_FRONT); - right_camera->setAllowEventFocus(true); - right_camera->setRenderOrder(osg::Camera::NESTED_RENDER, 1); - right_camera->setRenderTargetImplementation(osg::Camera::FRAME_BUFFER_OBJECT); - - // attach the texture and use it as the color buffer. - right_camera->attach(osg::Camera::COLOR_BUFFER, right_texture.get()); - - - // create Keystone left distortion camera - left_keystone->setGridColor(osg::Vec4(1.0f,0.0f,0.0,1.0)); - osg::ref_ptr left_keystone_camera = assignKeystoneDistortionCamera(ds, gc.get(), - left_start, 0, traits->width/2, traits->height, - traits->doubleBuffer ? GL_BACK : GL_FRONT, - left_texture.get(), left_keystone.get()); - - left_keystone_camera->setRenderOrder(osg::Camera::NESTED_RENDER, 2); - - // attach Keystone editing event handler. - left_keystone_camera->addEventCallback(new KeystoneHandler(left_keystone.get())); - - - // create Keystone right distortion camera - right_keystone->setGridColor(osg::Vec4(0.0f,1.0f,0.0,1.0)); - osg::ref_ptr right_keystone_camera = assignKeystoneDistortionCamera(ds, gc.get(), - right_start, 0, traits->width/2, traits->height, - traits->doubleBuffer ? GL_BACK : GL_FRONT, - right_texture.get(), right_keystone.get()); - - right_keystone_camera->setRenderOrder(osg::Camera::NESTED_RENDER, 3); - - // attach Keystone editing event handler. - right_keystone_camera->addEventCallback(new KeystoneHandler(right_keystone.get())); - - getCamera()->setAllowEventFocus(false); - - } - - break; - } - case(osg::DisplaySettings::VERTICAL_SPLIT): - { - bool left_eye_bottom_viewport = ds->getSplitStereoVerticalEyeMapping()==osg::DisplaySettings::LEFT_EYE_BOTTOM_VIEWPORT; - int left_start = (left_eye_bottom_viewport) ? 0 : traits->height/2; - int right_start = (left_eye_bottom_viewport) ? traits->height/2 : 0; - - // bottom viewport Camera - osg::ref_ptr left_camera = assignStereoCamera(ds, gc.get(), - 0, left_start, traits->width, traits->height/2, traits->doubleBuffer ? GL_BACK : GL_FRONT, - 1.0); - - // top vieport camera - osg::ref_ptr right_camera = assignStereoCamera(ds, gc.get(), - 0, right_start, traits->width, traits->height/2, traits->doubleBuffer ? GL_BACK : GL_FRONT, - 1.0); - - // for keystone: - // left camera to render to left texture using whole viewport of left texture - // right camera to render to right texture using whole viewport of right texture - // left keystone camera to render to left viewport/window - // right keystone camera to render to right viewport/window - // two keystone, one for each of the left and right viewports/windows - - if (!keystones.empty()) - { - // for keystone: - // left camera to render to left texture using whole viewport of left texture - // right camera to render to right texture using whole viewport of right texture - // left keystone camera to render to left viewport/window - // right keystone camera to render to right viewport/window - // two keystone, one for each of the left and right viewports/windows - - osg::ref_ptr left_keystone = keystones[0]; - osg::ref_ptr right_keystone = keystones[1]; - - // create distortion texture - osg::ref_ptr left_texture = createDistortionTexture(traits->width, traits->height/2); - - // convert to RTT Camera - left_camera->setViewport(0, 0, traits->width, traits->height/2); - left_camera->setDrawBuffer(GL_FRONT); - left_camera->setReadBuffer(GL_FRONT); - left_camera->setAllowEventFocus(true); - left_camera->setRenderOrder(osg::Camera::NESTED_RENDER, 0); - left_camera->setRenderTargetImplementation(osg::Camera::FRAME_BUFFER_OBJECT); - - // attach the texture and use it as the color buffer. - left_camera->attach(osg::Camera::COLOR_BUFFER, left_texture.get()); - - - // create distortion texture - osg::ref_ptr right_texture = createDistortionTexture(traits->width, traits->height/2); - - // convert to RTT Camera - right_camera->setViewport(0, 0, traits->width, traits->height/2); - right_camera->setDrawBuffer(GL_FRONT); - right_camera->setReadBuffer(GL_FRONT); - right_camera->setAllowEventFocus(true); - right_camera->setRenderOrder(osg::Camera::NESTED_RENDER, 1); - right_camera->setRenderTargetImplementation(osg::Camera::FRAME_BUFFER_OBJECT); - - // attach the texture and use it as the color buffer. - right_camera->attach(osg::Camera::COLOR_BUFFER, right_texture.get()); - - - // create Keystone left distortion camera - left_keystone->setGridColor(osg::Vec4(1.0f,0.0f,0.0,1.0)); - osg::ref_ptr left_keystone_camera = assignKeystoneDistortionCamera(ds, gc.get(), - 0, left_start, traits->width, traits->height/2, - traits->doubleBuffer ? GL_BACK : GL_FRONT, - left_texture.get(), left_keystone.get()); - - left_keystone_camera->setRenderOrder(osg::Camera::NESTED_RENDER, 2); - - // attach Keystone editing event handler. - left_keystone_camera->addEventCallback(new KeystoneHandler(left_keystone.get())); - - - // create Keystone right distortion camera - right_keystone->setGridColor(osg::Vec4(0.0f,1.0f,0.0,1.0)); - osg::ref_ptr right_keystone_camera = assignKeystoneDistortionCamera(ds, gc.get(), - 0, right_start, traits->width, traits->height/2, - traits->doubleBuffer ? GL_BACK : GL_FRONT, - right_texture.get(), right_keystone.get()); - - right_keystone_camera->setRenderOrder(osg::Camera::NESTED_RENDER, 3); - - // attach Keystone editing event handler. - right_keystone_camera->addEventCallback(new KeystoneHandler(right_keystone.get())); - - getCamera()->setAllowEventFocus(false); - - } - - break; - } - case(osg::DisplaySettings::LEFT_EYE): - { - // single window, whole window, just left eye offsets - osg::ref_ptr left_camera = assignStereoCamera(ds, gc.get(), 0, 0, traits->width, traits->height, traits->doubleBuffer ? GL_BACK : GL_FRONT, -1.0); - - // for keystone: - // treat as standard keystone correction. - // left eye camera to render to texture - // keystone camera then render to window - // one keystone and editing for window - - if (!keystones.empty()) - { - // for keystone: - // left camera to render to texture using red colour mask - // right camera to render to same texture using cyan colour mask - // keystone camera to render to whole screen without colour masks - // one keystone and editing for the one window - - osg::ref_ptr keystone = keystones.front(); - - // create distortion texture - osg::ref_ptr texture = createDistortionTexture(traits->width, traits->height); - - // convert to RTT Camera - left_camera->setDrawBuffer(GL_FRONT); - left_camera->setReadBuffer(GL_FRONT); - left_camera->setAllowEventFocus(false); - left_camera->setRenderOrder(osg::Camera::NESTED_RENDER, 0); - left_camera->setRenderTargetImplementation(osg::Camera::FRAME_BUFFER_OBJECT); - - // attach the texture and use it as the color buffer. - left_camera->attach(osg::Camera::COLOR_BUFFER, texture.get()); - - - // create Keystone distortion camera - osg::ref_ptr camera = assignKeystoneDistortionCamera(ds, gc.get(), - 0, 0, traits->width, traits->height, - traits->doubleBuffer ? GL_BACK : GL_FRONT, - texture.get(), keystone.get()); - - camera->setRenderOrder(osg::Camera::NESTED_RENDER, 2); - - // attach Keystone editing event handler. - camera->addEventCallback(new KeystoneHandler(keystone.get())); - } - break; - } - case(osg::DisplaySettings::RIGHT_EYE): - { - // single window, whole window, just right eye offsets - osg::ref_ptr right_camera = assignStereoCamera(ds, gc.get(), 0, 0, traits->width, traits->height, traits->doubleBuffer ? GL_BACK : GL_FRONT, 1.0); - - // for keystone: - // treat as standard keystone correction. - // left eye camera to render to texture - // keystone camera then render to window - // one keystone and editing for window - - if (!keystones.empty()) - { - // for keystone: - // left camera to render to texture using red colour mask - // right camera to render to same texture using cyan colour mask - // keystone camera to render to whole screen without colour masks - // one keystone and editing for the one window - - osg::ref_ptr keystone = keystones.front(); - - // create distortion texture - osg::ref_ptr texture = createDistortionTexture(traits->width, traits->height); - - // convert to RTT Camera - right_camera->setDrawBuffer(GL_FRONT); - right_camera->setReadBuffer(GL_FRONT); - right_camera->setAllowEventFocus(false); - right_camera->setRenderOrder(osg::Camera::NESTED_RENDER, 0); - right_camera->setRenderTargetImplementation(osg::Camera::FRAME_BUFFER_OBJECT); - - // attach the texture and use it as the color buffer. - right_camera->attach(osg::Camera::COLOR_BUFFER, texture.get()); - - // create Keystone distortion camera - osg::ref_ptr camera = assignKeystoneDistortionCamera(ds, gc.get(), - 0, 0, traits->width, traits->height, - traits->doubleBuffer ? GL_BACK : GL_FRONT, - texture.get(), keystone.get()); - - camera->setRenderOrder(osg::Camera::NESTED_RENDER, 1); - - // attach Keystone editing event handler. - camera->addEventCallback(new KeystoneHandler(keystone.get())); - } - break; - } - case(osg::DisplaySettings::HORIZONTAL_INTERLACE): - case(osg::DisplaySettings::VERTICAL_INTERLACE): - case(osg::DisplaySettings::CHECKERBOARD): - { - // set up the stencil buffer - { - osg::ref_ptr camera = new osg::Camera; - camera->setGraphicsContext(gc.get()); - camera->setViewport(0, 0, traits->width, traits->height); - camera->setDrawBuffer(traits->doubleBuffer ? GL_BACK : GL_FRONT); - camera->setReadBuffer(camera->getDrawBuffer()); - camera->setReferenceFrame(osg::Camera::ABSOLUTE_RF); - camera->setClearMask(GL_COLOR_BUFFER_BIT|GL_DEPTH_BUFFER_BIT|GL_STENCIL_BUFFER_BIT); - camera->setClearStencil(0); - camera->setRenderOrder(osg::Camera::NESTED_RENDER, 0); - addSlave(camera.get(), false); - - osg::ref_ptr geometry = osg::createTexturedQuadGeometry(osg::Vec3(-1.0f,-1.0f,0.0f), osg::Vec3(2.0f,0.0f,0.0f), osg::Vec3(0.0f,2.0f,0.0f), 0.0f, 0.0f, 1.0f, 1.0f); - osg::ref_ptr geode = new osg::Geode; - geode->addDrawable(geometry.get()); - camera->addChild(geode.get()); - - geode->setCullingActive(false); - - osg::ref_ptr stateset = geode->getOrCreateStateSet(); - - // set up stencil - osg::ref_ptr stencil = new osg::Stencil; - stencil->setFunction(osg::Stencil::ALWAYS, 1, ~0u); - stencil->setOperation(osg::Stencil::REPLACE, osg::Stencil::REPLACE, osg::Stencil::REPLACE); - stencil->setWriteMask(~0u); - stateset->setAttributeAndModes(stencil.get(), osg::StateAttribute::ON); - - // set up polygon stipple - if(ds->getStereoMode() == osg::DisplaySettings::VERTICAL_INTERLACE) - { - stateset->setAttributeAndModes(new osg::PolygonStipple(patternVertEven), osg::StateAttribute::ON); - } - else if(ds->getStereoMode() == osg::DisplaySettings::HORIZONTAL_INTERLACE) - { - stateset->setAttributeAndModes(new osg::PolygonStipple(patternHorzEven), osg::StateAttribute::ON); - } - else - { - stateset->setAttributeAndModes(new osg::PolygonStipple(patternCheckerboard), osg::StateAttribute::ON); - } - - stateset->setMode(GL_LIGHTING, osg::StateAttribute::OFF); - stateset->setMode(GL_DEPTH_TEST, osg::StateAttribute::OFF); - - } - - // left Camera - { - osg::ref_ptr camera = assignStereoCamera(ds, gc.get(), 0, 0, traits->width, traits->height, traits->doubleBuffer ? GL_BACK : GL_FRONT, -1.0); - camera->setClearMask(0); - camera->setClearMask(GL_DEPTH_BUFFER_BIT | GL_COLOR_BUFFER_BIT); - camera->setRenderOrder(osg::Camera::NESTED_RENDER, 1); - - osg::ref_ptr stencil = new osg::Stencil; - stencil->setFunction(osg::Stencil::EQUAL, 0, ~0u); - stencil->setOperation(osg::Stencil::KEEP, osg::Stencil::KEEP, osg::Stencil::KEEP); - camera->getOrCreateStateSet()->setAttributeAndModes(stencil.get(), osg::StateAttribute::ON); - } - - // right Camera - { - osg::ref_ptr camera = assignStereoCamera(ds, gc.get(), 0, 0, traits->width, traits->height, traits->doubleBuffer ? GL_BACK : GL_FRONT, 1.0); - camera->setClearMask(GL_DEPTH_BUFFER_BIT); - camera->setRenderOrder(osg::Camera::NESTED_RENDER, 2); - - osg::ref_ptr stencil = new osg::Stencil; - stencil->setFunction(osg::Stencil::NOTEQUAL, 0, ~0u); - stencil->setOperation(osg::Stencil::KEEP, osg::Stencil::KEEP, osg::Stencil::KEEP); - camera->getOrCreateStateSet()->setAttributeAndModes(stencil.get(), osg::StateAttribute::ON); - } - break; - } - } -} - - -void View::setUpViewForKeystone(Keystone* keystone) -{ - int screenNum = 0; - - osg::GraphicsContext::WindowingSystemInterface* wsi = osg::GraphicsContext::getWindowingSystemInterface(); - if (!wsi) - { - OSG_NOTICE<<"Error, no WindowSystemInterface available, cannot create windows."<getScreenResolution(si, width, height); - -// width/=2; height/=2; - - osg::ref_ptr traits = new osg::GraphicsContext::Traits; - traits->hostName = si.hostName; - traits->displayNum = si.displayNum; - traits->screenNum = si.screenNum; - traits->x = 0; - traits->y = 0; - traits->width = width; - traits->height = height; - traits->windowDecoration = false; - traits->doubleBuffer = true; - traits->sharedContext = 0; - - - osg::ref_ptr gc = osg::GraphicsContext::createGraphicsContext(traits.get()); - if (!gc) - { - OSG_NOTICE<<"GraphicsWindow has not been created successfully."< texture = createDistortionTexture(width, height); - - // create RTT Camera - assignRenderToTextureCamera(gc.get(), width, height, texture.get()); - - // create Keystone distortion camera - osg::ref_ptr camera = assignKeystoneDistortionCamera(ds, gc.get(), - 0, 0, width, height, - traits->doubleBuffer ? GL_BACK : GL_FRONT, - texture.get(), keystone); - // attach Keystone editing event handler. - camera->addEventCallback(new KeystoneHandler(keystone)); - -} - -#endif