diff --git a/include/osgViewer/Config b/include/osgViewer/Config new file mode 100644 index 000000000..a9bd9c4ea --- /dev/null +++ b/include/osgViewer/Config @@ -0,0 +1,262 @@ +/* -*-c++-*- OpenSceneGraph - Copyright (C) 1998-2006 Robert Osfield + * + * This library is open source and may be redistributed and/or modified under + * the terms of the OpenSceneGraph Public License (OSGPL) version 0.0 or + * (at your option) any later version. The full license is in LICENSE file + * included with this distribution, and on the openscenegraph.org website. + * + * This library is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * OpenSceneGraph Public License for more details. +*/ + +#ifndef OSGVIEWER_CONFIG +#define OSGVIEWER_CONFIG 1 + +#include +#include + +namespace osgViewer { + +// forward declare +class View; + +/** Config base class for encapsulating view configuration.*/ +class Config : public osg::Object +{ + public: + + Config() {} + + Config(const Config& rhs, const osg::CopyOp& copyop=osg::CopyOp::SHALLOW_COPY) : osg::Object(rhs,copyop) {} + + META_Object(osgViewer,Config); + + /** configure method that is overridden by Config subclasses.*/ + virtual void configure(osgViewer::View& /*view*/) const {} +}; + +class OSGVIEWER_EXPORT ViewAcrossAllScreens : public Config +{ + public: + + ViewAcrossAllScreens() {} + ViewAcrossAllScreens(const ViewAcrossAllScreens& rhs, const osg::CopyOp& copyop=osg::CopyOp::SHALLOW_COPY): Config(rhs,copyop) {} + + META_Object(osgViewer,ViewAcrossAllScreens); + + /** configure method that is overridden by Config subclasses.*/ + virtual void configure(osgViewer::View& view) const; +}; + +/** single camera on a single window.*/ +class OSGVIEWER_EXPORT ViewInWindow : public Config +{ + public: + + ViewInWindow():_x(0),_y(0),_width(-1),_height(-1),_screenNum(0) {} + ViewInWindow(int x, int y, int width, int height, unsigned int screenNum=0):_x(x),_y(y),_width(width),_height(height),_screenNum(screenNum) {} + ViewInWindow(const ViewInWindow& rhs, const osg::CopyOp& copyop=osg::CopyOp::SHALLOW_COPY):Config(rhs,copyop), _x(rhs._x),_y(rhs._y),_width(rhs._width),_height(rhs._height),_screenNum(rhs._screenNum) {} + + META_Object(osgViewer,ViewInWindow); + + /** configure method that is overridden by Config subclasses.*/ + virtual void configure(osgViewer::View& view) const; + + void setX(int x) { _x = x; } + int getX() const { return _x; } + + void setY(int y) { _y = y; } + int getY() const { return _y; } + + void setWidth(int w) { _width = w; } + int getWidth() const { return _width; } + + void setHeight(int h) { _height = h; } + int getHeight() const { return _height; } + + void setScreenNum(unsigned int sn) { _screenNum = sn; } + unsigned int getScreenNum() const { return _screenNum; } + + protected: + + int _x, _y, _width, _height; + unsigned int _screenNum; +}; + +#if 0 + +/** single camera associated with a single full screen GraphicsWindow.*/ +class OSGVIEWER_EXPORT ViewOnSingleScreen : public Config +{ + public: + + ViewOnSingleScreen(unsigned int screenNum=0); + ViewOnSingleScreen(const ViewOnSingleScreen& rhs, const osg::CopyOp& copyop=osg::CopyOp::SHALLOW_COPY); + + META_Object(osgViewer,ViewOnSingleScreen); + + /** configure method that is overridden by Config subclasses.*/ + virtual void configure(osgViewer::View& view); + + void setScreenNum(int sn) { _screenNum = sn; } + int getScreenNum() const { return _screenNum; } + + protected: + + unsigned int _screenNum; +}; + +/** spherical display using 6 slave cameras rendering the 6 sides of a cube map, and 7th camera doing distortion correction to present on a spherical display.*/ +class OSGVIEWER_EXPORT ViewFor3DSphericalDisplay : public Config +{ + public: + + ViewFor3DSphericalDisplay(double radius=1.0, double collar=0.45, unsigned int screenNum=0, osg::Image* intensityMap=0, const osg::Matrixd& projectorMatrix = osg::Matrixd()); + ViewFor3DSphericalDisplay(const ViewFor3DSphericalDisplay& rhs, const osg::CopyOp& copyop=osg::CopyOp::SHALLOW_COPY); + + META_Object(osgViewer,ViewOnSingleScreen); + + /** configure method that is overridden by Config subclasses.*/ + virtual void configure(osgViewer::View& view); + + void setRadius(double r) { _radius = r; } + double getRadius() const { return _radius; } + + void setCollar(double r) { _collar = r; } + double getCollar() const { return _collar; } + + void setScreenNum(unsigned int n) { _screenNum = n; } + unsigned int getScreenNum() const { return _screenNum; } + + void setIntensityMap(osg::Image* im) { _intensityMap = im; } + osg::Image* getIntensityMap() const { return _intensityMap; } + + void setProjectionMatrix(const osg::Matrixd& m) { _intensityMap = m; } + osg::Matrixd& getIntensityMap() const { return _intensityMap; } + + protected: + + double _radius; + double _collar; + unsigned int _screenNum; + osg::ref_ref _intensityMap; + const osg::Matrixd _projectorMatrix; +}; + +/** spherical display by rendering main scene to a panoramic 2:1 texture and then doing distortion correction to present onto a spherical display.*/ +class OSGVIEWER_EXPORT ViewForPanoramicSphericalDisplay : public Config +{ + public: + + ViewForPanoramicSphericalDisplay(double radius=1.0, double collar=0.45, unsigned int screenNum=0, osg::Image* intensityMap=0, const osg::Matrixd& projectorMatrix = osg::Matrixd()); + ViewForPanoramicSphericalDisplay(const ViewForPanoramicSphericalDisplay& rhs, const osg::CopyOp& copyop=osg::CopyOp::SHALLOW_COPY); + + META_Object(osgViewer,ViewOnSingleScreen); + + /** configure method that is overridden by Config subclasses.*/ + virtual void configure(osgViewer::View& view); + + void setRadius(double r) { _radius = r; } + double getRadius() const { return _radius; } + + void setCollar(double r) { _collar = r; } + double getCollar() const { return _collar; } + + void setScreenNum(unsigned int n) { _screenNum = n; } + unsigned int getScreenNum() const { return _screenNum; } + + void setIntensityMap(osg::Image* im) { _intensityMap = im; } + osg::Image* getIntensityMap() const { return _intensityMap; } + + void setProjectionMatrix(const osg::Matrixd& m) { _intensityMap = m; } + osg::Matrixd& getIntensityMap() const { return _intensityMap; } + + protected: + + double _radius; + double _collar; + unsigned int _screenNum; + osg::ref_ref _intensityMap; + const osg::Matrixd _projectorMatrix; +}; + +/** autostereoscopic Philips WoWvx display.*/ +class OSGVIEWER_EXPORT ViewForWoWVxDisplay : public Config +{ + public: + + ViewForWoWVxDisplay(); + ViewForWoWVxDisplay(unsigned int screenNum, unsigned char wow_content, unsigned char wow_factor, unsigned char wow_offset, float wow_disparity_Zd, float wow_disparity_vz, float wow_disparity_M, float wow_disparity_C); + ViewForWoWVxDisplay(const ViewForWoWVxDisplay& rhs, const osg::CopyOp& copyop=osg::CopyOp::SHALLOW_COPY); + + META_Object(osgViewer,ViewForWoWVxDisplay); + + /** configure method that is overridden by Config subclasses.*/ + virtual void configure(osgViewer::View& view); + + void setScreenNum(unsigned int n) { _screenNum = n; } + unsigned int getScreenNum() const { return _screenNum; } + + void set(unsigned char c) { _wow_content = c; } + double get() const { return _wow_content; } + + void set(unsigned char c) { _wow_factor = c; } + double get() const { return _wow_factor; } + + void set(unsigned char c) { _wow_offset = c; } + double get() const { return _wow_offset; } + + void setWowDisparityZD(float c) { _wow_disparity_Zd = c; } + float getWowDisparityZD() const { return _wow_disparity_Zd; } + + void setWowDisparityVZ(float c) { _wow_disparity_vz = c; } + float getWowDisparityVZ() const { return _wow_disparity_vz; } + + void setWowDisparityM(float c) { _wow_disparity_M = c; } + float getWowDisparityM() const { return _wow_disparity_M; } + + void setWowDisparityC(float c) { _wow_disparity_C = c; } + float getWowDisparityC() const { return _wow_disparity_C; } + + protected: + + unsigned int _screenNum; + unsigned char _wow_content; + unsigned char _wow_factor; + unsigned char _wow_offset; + float _wow_disparity_Zd; + float _wow_disparity_vz; + float _wow_disparity_M; + float _wow_disparity_C; +}; + +/** Configure view with DepthPartition.*/ +class OSGVIEWER_EXPORT DepthPartition : public Config +{ + public: + + DepthPartition(DepthPartitionSettings* dsp=0); + + DepthPartition(const ViewForWoWVxDisplay& rhs, const osg::CopyOp& copyop=osg::CopyOp::SHALLOW_COPY); + + META_Object(osgViewer,DepthPartition); + + void setDepthPartionSettings(DepthPartitionSettings* dsp) const { _dps = dps; } + const DepthPartitionSettings* getDepthPartionSettings() const { return _dps; } + + /** for setting up depth partitioning on the specified camera.*/ + bool setUpDepthPartitionForCamera(osg::Camera* cameraToPartition, DepthPartitionSettings* dps=0); + + virtual void configure(osgViewer::View& view); + + protected: +}; + +#endif + +} + + +#endif diff --git a/src/osgViewer/CMakeLists.txt b/src/osgViewer/CMakeLists.txt index a9dcb6864..f7ca29f6c 100644 --- a/src/osgViewer/CMakeLists.txt +++ b/src/osgViewer/CMakeLists.txt @@ -10,6 +10,7 @@ SET(LIB_NAME osgViewer) SET(HEADER_PATH ${OpenSceneGraph_SOURCE_DIR}/include/${LIB_NAME}) SET(TARGET_H ${HEADER_PATH}/CompositeViewer + ${HEADER_PATH}/Config ${HEADER_PATH}/Export ${HEADER_PATH}/GraphicsWindow ${HEADER_PATH}/Keystone @@ -24,6 +25,7 @@ SET(TARGET_H SET(LIB_COMMON_FILES CompositeViewer.cpp + Config.cpp GraphicsWindow.cpp HelpHandler.cpp Keystone.cpp diff --git a/src/osgViewer/Config.cpp b/src/osgViewer/Config.cpp new file mode 100644 index 000000000..1fd475588 --- /dev/null +++ b/src/osgViewer/Config.cpp @@ -0,0 +1,2424 @@ +/* -*-c++-*- OpenSceneGraph - Copyright (C) 1998-2006 Robert Osfield + * + * This library is open source and may be redistributed and/or modified under + * the terms of the OpenSceneGraph Public License (OSGPL) version 0.0 or + * (at your option) any later version. The full license is in LICENSE file + * included with this distribution, and on the openscenegraph.org website. + * + * This library is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * OpenSceneGraph Public License for more details. +*/ + +#include +#include +#include +#include + +#include + +#include +#include +#include +#include +#include +#include +#include + +#include +#include +#include + +#include +#include + +using namespace osgViewer; + + +void ViewAcrossAllScreens::configure(osgViewer::View& view) const +{ + osg::GraphicsContext::WindowingSystemInterface* wsi = osg::GraphicsContext::getWindowingSystemInterface(); + if (!wsi) + { + OSG_NOTICE<<"View::setUpViewAcrossAllScreens() : Error, no WindowSystemInterface available, cannot create windows."<getProjectionMatrixAsPerspective(fovy, aspectRatio, zNear, zFar); + + osg::GraphicsContext::ScreenIdentifier si; + si.readDISPLAY(); + + // displayNum has not been set so reset it to 0. + if (si.displayNum<0) si.displayNum = 0; + + unsigned int numScreens = wsi->getNumScreens(si); + if (numScreens==1) + { + if (si.screenNum<0) si.screenNum = 0; + + unsigned int width, height; + wsi->getScreenResolution(si, width, height); + + 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::ref_ptr gc = osg::GraphicsContext::createGraphicsContext(traits.get()); + + view.getCamera()->setGraphicsContext(gc.get()); + + osgViewer::GraphicsWindow* gw = dynamic_cast(gc.get()); + if (gw) + { + OSG_INFO<<" GraphicsWindow has been created successfully."<getEventQueue()->getCurrentEventState()->setWindowRectangle(0, 0, width, height ); + } + else + { + OSG_NOTICE<<" GraphicsWindow has not been created successfully."<width) / double(traits->height); + double aspectRatioChange = newAspectRatio / aspectRatio; + if (aspectRatioChange != 1.0) + { + view.getCamera()->getProjectionMatrix() *= osg::Matrix::scale(1.0/aspectRatioChange,1.0,1.0); + } + + view.getCamera()->setViewport(new osg::Viewport(0, 0, traits->width, traits->height)); + + GLenum buffer = traits->doubleBuffer ? GL_BACK : GL_FRONT; + + view.getCamera()->setDrawBuffer(buffer); + view.getCamera()->setReadBuffer(buffer); + + } + else + { + + double translate_x = 0.0; + + for(unsigned int i=0; igetScreenResolution(si, width, height); + translate_x += double(width) / (double(height) * aspectRatio); + } + + bool stereoSplitScreens = numScreens==2 && + ds->getStereoMode()==osg::DisplaySettings::HORIZONTAL_SPLIT && + ds->getStereo(); + + for(unsigned int i=0; igetScreenResolution(si, width, height); + + osg::ref_ptr traits = new osg::GraphicsContext::Traits(ds); + traits->hostName = si.hostName; + traits->displayNum = si.displayNum; + traits->screenNum = si.screenNum; + traits->screenNum = i; + 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()); + + osg::ref_ptr camera = new osg::Camera; + camera->setGraphicsContext(gc.get()); + + osgViewer::GraphicsWindow* gw = dynamic_cast(gc.get()); + if (gw) + { + OSG_INFO<<" GraphicsWindow has been created successfully."<getEventQueue()->getCurrentEventState()->setWindowRectangle(traits->x, traits->y, traits->width, traits->height ); + } + else + { + OSG_NOTICE<<" GraphicsWindow has not been created successfully."<setViewport(new osg::Viewport(0, 0, traits->width, traits->height)); + + GLenum buffer = traits->doubleBuffer ? GL_BACK : GL_FRONT; + camera->setDrawBuffer(buffer); + camera->setReadBuffer(buffer); + + if (stereoSplitScreens) + { + unsigned int leftCameraNum = (ds->getSplitStereoHorizontalEyeMapping()==osg::DisplaySettings::LEFT_EYE_LEFT_VIEWPORT) ? 0 : 1; + + osg::ref_ptr ds_local = new osg::DisplaySettings(*ds); + ds_local->setStereoMode(leftCameraNum==i ? osg::DisplaySettings::LEFT_EYE : osg::DisplaySettings::RIGHT_EYE); + camera->setDisplaySettings(ds_local.get()); + + view.addSlave(camera.get(), osg::Matrixd(), osg::Matrixd() ); + } + else + { + double newAspectRatio = double(traits->width) / double(traits->height); + double aspectRatioChange = newAspectRatio / aspectRatio; + + view.addSlave(camera.get(), osg::Matrixd::translate( translate_x - aspectRatioChange, 0.0, 0.0) * osg::Matrix::scale(1.0/aspectRatioChange,1.0,1.0), osg::Matrixd() ); + translate_x -= aspectRatioChange * 2.0; + } + } + } + + view.assignSceneDataToCameras(); +} + + +void ViewInWindow::configure(osgViewer::View& view) const +{ + osg::GraphicsContext::WindowingSystemInterface* wsi = osg::GraphicsContext::getWindowingSystemInterface(); + if (!wsi) + { + OSG_NOTICE<<"View::setUpViewAcrossAllScreens() : Error, no WindowSystemInterface available, cannot create windows."< traits = new osg::GraphicsContext::Traits(ds); + + traits->readDISPLAY(); + if (traits->displayNum<0) traits->displayNum = 0; + + traits->screenNum = _screenNum; + traits->x = _x; + traits->y = _y; + traits->width = _width; + traits->height = _height; + traits->windowDecoration = true; + traits->doubleBuffer = true; + traits->sharedContext = 0; + + if (traits->width<=0 || traits->height<=0 ) + { + 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); + if (traits->width<=0) traits->width = width; + if (traits->height<=0) traits->height = height; + } + + osg::ref_ptr gc = osg::GraphicsContext::createGraphicsContext(traits.get()); + + view.getCamera()->setGraphicsContext(gc.get()); + + osgViewer::GraphicsWindow* gw = dynamic_cast(gc.get()); + if (gw) + { + OSG_INFO<<"View::setUpViewOnSingleScreen - GraphicsWindow has been created successfully."<getEventQueue()->getCurrentEventState()->setWindowRectangle(traits->x, traits->y, traits->width, traits->height ); + } + else + { + OSG_NOTICE<<" GraphicsWindow has not been created successfully."<getProjectionMatrixAsPerspective(fovy, aspectRatio, zNear, zFar); + + double newAspectRatio = double(traits->width) / double(traits->height); + double aspectRatioChange = newAspectRatio / aspectRatio; + if (aspectRatioChange != 1.0) + { + view.getCamera()->getProjectionMatrix() *= osg::Matrix::scale(1.0/aspectRatioChange,1.0,1.0); + } + + view.getCamera()->setViewport(new osg::Viewport(0, 0, traits->width, traits->height)); + + GLenum buffer = traits->doubleBuffer ? GL_BACK : GL_FRONT; + + view.getCamera()->setDrawBuffer(buffer); + view.getCamera()->setReadBuffer(buffer); +} + +#if 0 + +void View::setUpViewOnSingleScreen(unsigned int screenNum) +{ + osg::GraphicsContext::WindowingSystemInterface* wsi = osg::GraphicsContext::getWindowingSystemInterface(); + if (!wsi) + { + OSG_NOTICE<<"View::setUpViewOnSingleScreen() : Error, no WindowSystemInterface available, cannot create windows."<getScreenResolution(si, width, height); + + 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::ref_ptr gc = osg::GraphicsContext::createGraphicsContext(traits.get()); + + view.getCamera()->setGraphicsContext(gc.get()); + + osgViewer::GraphicsWindow* gw = dynamic_cast(gc.get()); + if (gw) + { + OSG_INFO<<"View::setUpViewOnSingleScreen - GraphicsWindow has been created successfully."<getEventQueue()->getCurrentEventState()->setWindowRectangle(0, 0, width, height ); + } + else + { + OSG_NOTICE<<" GraphicsWindow has not been created successfully."<getProjectionMatrixAsPerspective(fovy, aspectRatio, zNear, zFar); + + double newAspectRatio = double(traits->width) / double(traits->height); + double aspectRatioChange = newAspectRatio / aspectRatio; + if (aspectRatioChange != 1.0) + { + view.getCamera()->getProjectionMatrix() *= osg::Matrix::scale(1.0/aspectRatioChange,1.0,1.0); + } + + view.getCamera()->setViewport(new osg::Viewport(0, 0, traits->width, traits->height)); + + GLenum buffer = traits->doubleBuffer ? GL_BACK : GL_FRONT; + + view.getCamera()->setDrawBuffer(buffer); + view.getCamera()->setReadBuffer(buffer); +} + +static osg::Geometry* create3DSphericalDisplayDistortionMesh(const osg::Vec3& origin, const osg::Vec3& widthVector, const osg::Vec3& heightVector, double sphere_radius, double collar_radius,osg::Image* intensityMap, const osg::Matrix& projectorMatrix) +{ + osg::Vec3d center(0.0,0.0,0.0); + osg::Vec3d eye(0.0,0.0,0.0); + + double distance = sqrt(sphere_radius*sphere_radius - collar_radius*collar_radius); + + bool centerProjection = false; + + osg::Vec3d projector = eye - osg::Vec3d(0.0,0.0, distance); + + OSG_INFO<<"create3DSphericalDisplayDistortionMesh : Projector position = "<getScreenResolution(si, width, height); + + + 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."<setTextureSize(tex_width, tex_height); + texture->setInternalFormat(GL_RGB); + texture->setFilter(osg::Texture::MIN_FILTER,osg::Texture::LINEAR); + texture->setFilter(osg::Texture::MAG_FILTER,osg::Texture::LINEAR); + texture->setWrap(osg::Texture::WRAP_S,osg::Texture::CLAMP_TO_EDGE); + texture->setWrap(osg::Texture::WRAP_T,osg::Texture::CLAMP_TO_EDGE); + texture->setWrap(osg::Texture::WRAP_R,osg::Texture::CLAMP_TO_EDGE); + +#if 0 + osg::Camera::RenderTargetImplementation renderTargetImplementation = osg::Camera::SEPERATE_WINDOW; + GLenum buffer = GL_FRONT; +#else + osg::Camera::RenderTargetImplementation renderTargetImplementation = osg::Camera::FRAME_BUFFER_OBJECT; + GLenum buffer = GL_FRONT; +#endif + + // front face + { + osg::ref_ptr camera = new osg::Camera; + camera->setName("Front face camera"); + camera->setGraphicsContext(gc.get()); + camera->setViewport(new osg::Viewport(0,0,camera_width, camera_height)); + camera->setDrawBuffer(buffer); + camera->setReadBuffer(buffer); + camera->setAllowEventFocus(false); + // tell the camera to use OpenGL frame buffer object where supported. + camera->setRenderTargetImplementation(renderTargetImplementation); + + // attach the texture and use it as the color buffer. + camera->attach(osg::Camera::COLOR_BUFFER, texture, 0, osg::TextureCubeMap::POSITIVE_Y); + + addSlave(camera.get(), osg::Matrixd(), osg::Matrixd()); + } + + + // top face + { + osg::ref_ptr camera = new osg::Camera; + camera->setName("Top face camera"); + camera->setGraphicsContext(gc.get()); + camera->setViewport(new osg::Viewport(0,0,camera_width, camera_height)); + camera->setDrawBuffer(buffer); + camera->setReadBuffer(buffer); + camera->setAllowEventFocus(false); + + // tell the camera to use OpenGL frame buffer object where supported. + camera->setRenderTargetImplementation(renderTargetImplementation); + + // attach the texture and use it as the color buffer. + camera->attach(osg::Camera::COLOR_BUFFER, texture, 0, osg::TextureCubeMap::POSITIVE_Z); + + addSlave(camera.get(), osg::Matrixd(), osg::Matrixd::rotate(osg::inDegrees(-90.0f), 1.0,0.0,0.0)); + } + + // left face + { + osg::ref_ptr camera = new osg::Camera; + camera->setName("Left face camera"); + camera->setGraphicsContext(gc.get()); + camera->setViewport(new osg::Viewport(0,0,camera_width, camera_height)); + camera->setDrawBuffer(buffer); + camera->setReadBuffer(buffer); + camera->setAllowEventFocus(false); + + // tell the camera to use OpenGL frame buffer object where supported. + camera->setRenderTargetImplementation(renderTargetImplementation); + + // attach the texture and use it as the color buffer. + camera->attach(osg::Camera::COLOR_BUFFER, texture, 0, osg::TextureCubeMap::NEGATIVE_X); + + addSlave(camera.get(), osg::Matrixd(), osg::Matrixd::rotate(osg::inDegrees(-90.0f), 0.0,1.0,0.0) * osg::Matrixd::rotate(osg::inDegrees(-90.0f), 0.0,0.0,1.0)); + } + + // right face + { + osg::ref_ptr camera = new osg::Camera; + camera->setName("Right face camera"); + camera->setGraphicsContext(gc.get()); + camera->setViewport(new osg::Viewport(0,0,camera_width, camera_height)); + camera->setDrawBuffer(buffer); + camera->setReadBuffer(buffer); + camera->setAllowEventFocus(false); + + // tell the camera to use OpenGL frame buffer object where supported. + camera->setRenderTargetImplementation(renderTargetImplementation); + + // attach the texture and use it as the color buffer. + camera->attach(osg::Camera::COLOR_BUFFER, texture, 0, osg::TextureCubeMap::POSITIVE_X); + + addSlave(camera.get(), osg::Matrixd(), osg::Matrixd::rotate(osg::inDegrees(90.0f), 0.0,1.0,0.0 ) * osg::Matrixd::rotate(osg::inDegrees(90.0f), 0.0,0.0,1.0)); + } + + // bottom face + { + osg::ref_ptr camera = new osg::Camera; + camera->setGraphicsContext(gc.get()); + camera->setName("Bottom face camera"); + camera->setViewport(new osg::Viewport(0,0,camera_width, camera_height)); + camera->setDrawBuffer(buffer); + camera->setReadBuffer(buffer); + camera->setAllowEventFocus(false); + + // tell the camera to use OpenGL frame buffer object where supported. + camera->setRenderTargetImplementation(renderTargetImplementation); + + // attach the texture and use it as the color buffer. + camera->attach(osg::Camera::COLOR_BUFFER, texture, 0, osg::TextureCubeMap::NEGATIVE_Z); + + addSlave(camera.get(), osg::Matrixd(), osg::Matrixd::rotate(osg::inDegrees(90.0f), 1.0,0.0,0.0) * osg::Matrixd::rotate(osg::inDegrees(180.0f), 0.0,0.0,1.0)); + } + + // back face + { + osg::ref_ptr camera = new osg::Camera; + camera->setName("Back face camera"); + camera->setGraphicsContext(gc.get()); + camera->setViewport(new osg::Viewport(0,0,camera_width, camera_height)); + camera->setDrawBuffer(buffer); + camera->setReadBuffer(buffer); + camera->setAllowEventFocus(false); + + // tell the camera to use OpenGL frame buffer object where supported. + camera->setRenderTargetImplementation(renderTargetImplementation); + + // attach the texture and use it as the color buffer. + camera->attach(osg::Camera::COLOR_BUFFER, texture, 0, osg::TextureCubeMap::NEGATIVE_Y); + + addSlave(camera.get(), osg::Matrixd(), osg::Matrixd::rotate(osg::inDegrees(180.0f), 1.0,0.0,0.0)); + } + + getCamera()->setProjectionMatrixAsPerspective(90.0f, 1.0, 1, 1000.0); + + // distortion correction set up. + { + osg::Geode* geode = new osg::Geode(); + geode->addDrawable(create3DSphericalDisplayDistortionMesh(osg::Vec3(0.0f,0.0f,0.0f), osg::Vec3(width,0.0f,0.0f), osg::Vec3(0.0f,height,0.0f), radius, collar, applyIntensityMapAsColours ? intensityMap : 0, projectorMatrix)); + + // new we need to add the texture to the mesh, we do so by creating a + // StateSet to contain the Texture StateAttribute. + osg::StateSet* stateset = geode->getOrCreateStateSet(); + stateset->setTextureAttributeAndModes(0, texture,osg::StateAttribute::ON); + stateset->setMode(GL_LIGHTING,osg::StateAttribute::OFF); + + if (!applyIntensityMapAsColours && intensityMap) + { + stateset->setTextureAttributeAndModes(1, new osg::Texture2D(intensityMap), osg::StateAttribute::ON); + } + + osg::ref_ptr camera = new osg::Camera; + camera->setGraphicsContext(gc.get()); + camera->setClearMask(GL_DEPTH_BUFFER_BIT | GL_COLOR_BUFFER_BIT ); + camera->setClearColor( osg::Vec4(0.0,0.0,0.0,1.0) ); + camera->setViewport(new osg::Viewport(0, 0, width, height)); + GLenum buffer = traits->doubleBuffer ? GL_BACK : GL_FRONT; + camera->setDrawBuffer(buffer); + camera->setReadBuffer(buffer); + camera->setReferenceFrame(osg::Camera::ABSOLUTE_RF); + camera->setAllowEventFocus(true); + camera->setInheritanceMask(camera->getInheritanceMask() & ~osg::CullSettings::CLEAR_COLOR & ~osg::CullSettings::COMPUTE_NEAR_FAR_MODE); + //camera->setComputeNearFarMode(osg::CullSettings::DO_NOT_COMPUTE_NEAR_FAR); + + camera->setProjectionMatrixAsOrtho2D(0,width,0,height); + camera->setViewMatrix(osg::Matrix::identity()); + + // add subgraph to render + camera->addChild(geode); + + camera->setName("DistortionCorrectionCamera"); + + addSlave(camera.get(), osg::Matrixd(), osg::Matrixd(), false); + } + + getCamera()->setNearFarRatio(0.0001f); + + if (getLightingMode()==osg::View::HEADLIGHT) + { + // set a local light source for headlight to ensure that lighting is consistent across sides of cube. + getLight()->setPosition(osg::Vec4(0.0f,0.0f,0.0f,1.0f)); + } +} + +static osg::Geometry* createParoramicSphericalDisplayDistortionMesh(const osg::Vec3& origin, const osg::Vec3& widthVector, const osg::Vec3& heightVector, double sphere_radius, double collar_radius, osg::Image* intensityMap, const osg::Matrix& projectorMatrix) +{ + osg::Vec3d center(0.0,0.0,0.0); + osg::Vec3d eye(0.0,0.0,0.0); + + double distance = sqrt(sphere_radius*sphere_radius - collar_radius*collar_radius); + bool flip = false; + bool texcoord_flip = false; + + osg::Vec3d projector = eye - osg::Vec3d(0.0,0.0, distance); + + + OSG_INFO<<"createParoramicSphericalDisplayDistortionMesh : Projector position = "<getScreenResolution(si, width, height); + + 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; + + + bool applyIntensityMapAsColours = true; + + osg::ref_ptr gc = osg::GraphicsContext::createGraphicsContext(traits.get()); + if (!gc) + { + OSG_NOTICE<<"GraphicsWindow has not been created successfully."<setTextureSize(tex_width, tex_height); + texture->setInternalFormat(GL_RGB); + texture->setFilter(osg::Texture::MIN_FILTER,osg::Texture::LINEAR); + texture->setFilter(osg::Texture::MAG_FILTER,osg::Texture::LINEAR); + texture->setWrap(osg::Texture::WRAP_S,osg::Texture::CLAMP_TO_EDGE); + texture->setWrap(osg::Texture::WRAP_T,osg::Texture::CLAMP_TO_EDGE); + +#if 0 + osg::Camera::RenderTargetImplementation renderTargetImplementation = osg::Camera::SEPERATE_WINDOW; + GLenum buffer = GL_FRONT; +#else + osg::Camera::RenderTargetImplementation renderTargetImplementation = osg::Camera::FRAME_BUFFER_OBJECT; + GLenum buffer = GL_FRONT; +#endif + + // front face + { + osg::ref_ptr camera = new osg::Camera; + camera->setName("Front face camera"); + camera->setGraphicsContext(gc.get()); + camera->setViewport(new osg::Viewport(0,0,camera_width, camera_height)); + camera->setDrawBuffer(buffer); + camera->setReadBuffer(buffer); + camera->setAllowEventFocus(false); + // tell the camera to use OpenGL frame buffer object where supported. + camera->setRenderTargetImplementation(renderTargetImplementation); + + // attach the texture and use it as the color buffer. + camera->attach(osg::Camera::COLOR_BUFFER, texture); + + addSlave(camera.get(), osg::Matrixd(), osg::Matrixd()); + } + + // distortion correction set up. + { + osg::Geode* geode = new osg::Geode(); + geode->addDrawable(createParoramicSphericalDisplayDistortionMesh(osg::Vec3(0.0f,0.0f,0.0f), osg::Vec3(width,0.0f,0.0f), osg::Vec3(0.0f,height,0.0f), radius, collar, applyIntensityMapAsColours ? intensityMap : 0, projectorMatrix)); + + // new we need to add the texture to the mesh, we do so by creating a + // StateSet to contain the Texture StateAttribute. + osg::StateSet* stateset = geode->getOrCreateStateSet(); + stateset->setTextureAttributeAndModes(0, texture,osg::StateAttribute::ON); + stateset->setMode(GL_LIGHTING,osg::StateAttribute::OFF); + + osg::TexMat* texmat = new osg::TexMat; + texmat->setScaleByTextureRectangleSize(true); + stateset->setTextureAttributeAndModes(0, texmat, osg::StateAttribute::ON); + + if (!applyIntensityMapAsColours && intensityMap) + { + stateset->setTextureAttributeAndModes(1, new osg::Texture2D(intensityMap), osg::StateAttribute::ON); + } + + osg::ref_ptr camera = new osg::Camera; + camera->setGraphicsContext(gc.get()); + camera->setClearMask(GL_DEPTH_BUFFER_BIT | GL_COLOR_BUFFER_BIT ); + camera->setClearColor( osg::Vec4(0.0,0.0,0.0,1.0) ); + camera->setViewport(new osg::Viewport(0, 0, width, height)); + GLenum buffer = traits->doubleBuffer ? GL_BACK : GL_FRONT; + camera->setDrawBuffer(buffer); + camera->setReadBuffer(buffer); + camera->setReferenceFrame(osg::Camera::ABSOLUTE_RF); + camera->setAllowEventFocus(false); + camera->setInheritanceMask(camera->getInheritanceMask() & ~osg::CullSettings::CLEAR_COLOR & ~osg::CullSettings::COMPUTE_NEAR_FAR_MODE); + //camera->setComputeNearFarMode(osg::CullSettings::DO_NOT_COMPUTE_NEAR_FAR); + + camera->setProjectionMatrixAsOrtho2D(0,width,0,height); + camera->setViewMatrix(osg::Matrix::identity()); + + // add subgraph to render + camera->addChild(geode); + + camera->setName("DistortionCorrectionCamera"); + + addSlave(camera.get(), osg::Matrixd(), osg::Matrixd(), false); + } +} + +void View::setUpViewForWoWVxDisplay(unsigned int screenNum, unsigned char wow_content, unsigned char wow_factor, unsigned char wow_offset, float wow_disparity_Zd, float wow_disparity_vz, float wow_disparity_M, float wow_disparity_C) +{ + OSG_INFO<<"View::setUpViewForWoWVxDisplay(...)"<getScreenResolution(si, width, height); + + 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."<setTextureSize(tex_width, tex_height); + texture->setInternalFormat(GL_RGB); + texture->setFilter(osg::Texture2D::MIN_FILTER,osg::Texture2D::LINEAR); + texture->setFilter(osg::Texture2D::MAG_FILTER,osg::Texture2D::LINEAR); + + osg::Texture2D* textureD = new osg::Texture2D; + textureD->setTextureSize(tex_width, tex_height); + textureD->setInternalFormat(GL_DEPTH_COMPONENT); + textureD->setFilter(osg::Texture2D::MIN_FILTER,osg::Texture2D::LINEAR); + textureD->setFilter(osg::Texture2D::MAG_FILTER,osg::Texture2D::LINEAR); + +#if 0 + osg::Camera::RenderTargetImplementation renderTargetImplementation = osg::Camera::SEPERATE_WINDOW; + GLenum buffer = GL_FRONT; +#else + osg::Camera::RenderTargetImplementation renderTargetImplementation = osg::Camera::FRAME_BUFFER_OBJECT; + GLenum buffer = GL_FRONT; +#endif + + // front face + { + osg::ref_ptr camera = new osg::Camera; + camera->setName("Front face camera"); + camera->setGraphicsContext(gc.get()); + camera->setViewport(new osg::Viewport(0,0,camera_width, camera_height)); + camera->setDrawBuffer(buffer); + camera->setReadBuffer(buffer); + camera->setAllowEventFocus(false); + // tell the camera to use OpenGL frame buffer object where supported. + camera->setRenderTargetImplementation(renderTargetImplementation); + + // attach the texture and use it as the color buffer. + camera->attach(osg::Camera::COLOR_BUFFER, texture); + camera->attach(osg::Camera::DEPTH_BUFFER, textureD); + + addSlave(camera.get(), osg::Matrixd(), osg::Matrixd()); + } + + // WoW display set up. + { + osg::Texture1D *textureHeader = new osg::Texture1D(); + // Set up the header + { + unsigned char header[]= {0xF1,wow_content,wow_factor,wow_offset,0x00,0x00,0x00,0x00,0x00,0x00}; + // Calc the CRC32 + { + unsigned long _register = 0; + for(int i = 0; i < 10; ++i) { + unsigned char mask = 0x80; + unsigned char byte = header[i]; + for (int j = 0; j < 8; ++j) + { + bool topBit = (_register & 0x80000000) != 0; + _register <<= 1; + _register ^= ((byte & mask) != 0? 0x1: 0x0); + if (topBit) + { + _register ^= 0x04c11db7; + } + mask >>= 1; + } + } + unsigned char *p = (unsigned char*) &_register; + for(size_t i = 0; i < 4; ++i) + { + header[i+6] = p[3-i]; + } + } + + osg::ref_ptr imageheader = new osg::Image(); + imageheader->allocateImage(256,1,1,GL_LUMINANCE,GL_UNSIGNED_BYTE); + { + unsigned char *cheader = imageheader->data(); + for (int x=0; x<256; ++x){ + cheader[x] = 0; + } + for (int x=0; x<=9; ++x){ + for (int y=7; y>=0; --y){ + int i = 2*(7-y)+16*x; + cheader[i] = (((1<<(y))&(header[x])) << (7-(y))); + } + } + } + textureHeader->setImage(imageheader.get()); + } + + // Create the Screen Aligned Quad + osg::Geode* geode = new osg::Geode(); + { + osg::Geometry* geom = new osg::Geometry; + + osg::Vec3Array* vertices = new osg::Vec3Array; + vertices->push_back(osg::Vec3(0,height,0)); + vertices->push_back(osg::Vec3(0,0,0)); + vertices->push_back(osg::Vec3(width,0,0)); + vertices->push_back(osg::Vec3(width,height,0)); + geom->setVertexArray(vertices); + + osg::Vec2Array* tex = new osg::Vec2Array; + tex->push_back(osg::Vec2(0,1)); + tex->push_back(osg::Vec2(0,0)); + tex->push_back(osg::Vec2(1,0)); + tex->push_back(osg::Vec2(1,1)); + geom->setTexCoordArray(0,tex); + + geom->addPrimitiveSet(new osg::DrawArrays(GL_QUADS,0,4)); + geode->addDrawable(geom); + + // new we need to add the textures to the quad, and setting up the shader. + osg::StateSet* stateset = geode->getOrCreateStateSet(); + stateset->setTextureAttributeAndModes(0, textureHeader,osg::StateAttribute::ON); + stateset->setTextureAttributeAndModes(1, texture,osg::StateAttribute::ON); + stateset->setTextureAttributeAndModes(2, textureD,osg::StateAttribute::ON); + stateset->setMode(GL_LIGHTING,osg::StateAttribute::OFF); + + osg::ref_ptr programShader = new osg::Program(); + stateset->setAttribute(programShader.get(), osg::StateAttribute::ON); + stateset->addUniform( new osg::Uniform("wow_width", (int)width)); + stateset->addUniform( new osg::Uniform("wow_height", (int)height)); + stateset->addUniform( new osg::Uniform("wow_disparity_M", wow_disparity_M)); + stateset->addUniform( new osg::Uniform("wow_disparity_Zd", wow_disparity_Zd)); + stateset->addUniform( new osg::Uniform("wow_disparity_vz", wow_disparity_vz)); + stateset->addUniform( new osg::Uniform("wow_disparity_C", wow_disparity_C)); + + stateset->addUniform(new osg::Uniform("wow_header", 0)); + stateset->addUniform(new osg::Uniform("wow_tcolor", 1)); + stateset->addUniform(new osg::Uniform("wow_tdepth", 2)); + + osg::Shader *frag = new osg::Shader(osg::Shader::FRAGMENT); + frag->setShaderSource(" "\ + " uniform sampler1D wow_header; " \ + " uniform sampler2D wow_tcolor; " \ + " uniform sampler2D wow_tdepth; " \ + " " \ + " uniform int wow_width; " \ + " uniform int wow_height; " \ + " uniform float wow_disparity_M; " \ + " uniform float wow_disparity_Zd; " \ + " uniform float wow_disparity_vz; " \ + " uniform float wow_disparity_C; " \ + " " \ + " float disparity(float Z) " \ + " { " \ + " return (wow_disparity_M*(1.0-(wow_disparity_vz/(Z-wow_disparity_Zd+wow_disparity_vz))) " \ + " + wow_disparity_C) / 255.0; " \ + " } " \ + " " \ + " void main() " \ + " { " \ + " vec2 pos = (gl_FragCoord.xy / vec2(wow_width/2,wow_height) ); " \ + " if (gl_FragCoord.x > float(wow_width/2)) " \ + " { " \ + " gl_FragColor = vec4(disparity(( texture2D(wow_tdepth, pos - vec2(1,0))).z)); " \ + " } " \ + " else{ " \ + " gl_FragColor = texture2D(wow_tcolor, pos); " \ + " } " \ + " if ( (gl_FragCoord.y >= float(wow_height-1)) && (gl_FragCoord.x < 256.0) ) " \ + " { " \ + " float pos = gl_FragCoord.x/256.0; " \ + " float blue = texture1D(wow_header, pos).b; " \ + " if ( blue < 0.5) " \ + " gl_FragColor.b = 0.0; " \ + " else " \ + " gl_FragColor.b = 1.0; " \ + " } " \ + " } " ); + + programShader->addShader(frag); + } + + // Create the Camera + { + osg::ref_ptr camera = new osg::Camera; + camera->setGraphicsContext(gc.get()); + camera->setClearMask(GL_DEPTH_BUFFER_BIT | GL_COLOR_BUFFER_BIT ); + camera->setClearColor( osg::Vec4(0.0,0.0,0.0,1.0) ); + camera->setViewport(new osg::Viewport(0, 0, width, height)); + GLenum buffer = traits->doubleBuffer ? GL_BACK : GL_FRONT; + camera->setDrawBuffer(buffer); + camera->setReadBuffer(buffer); + camera->setReferenceFrame(osg::Camera::ABSOLUTE_RF); + camera->setAllowEventFocus(false); + camera->setInheritanceMask(camera->getInheritanceMask() & ~osg::CullSettings::CLEAR_COLOR & ~osg::CullSettings::COMPUTE_NEAR_FAR_MODE); + //camera->setComputeNearFarMode(osg::CullSettings::DO_NOT_COMPUTE_NEAR_FAR); + + camera->setProjectionMatrixAsOrtho2D(0,width,0,height); + camera->setViewMatrix(osg::Matrix::identity()); + + // add subgraph to render + camera->addChild(geode); + + camera->setName("WoWCamera"); + + addSlave(camera.get(), osg::Matrixd(), osg::Matrixd(), false); + } + } +} + +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; +} + + + +/////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +// +// Methods that support Stereo and Keystone correction. +// +osg::Texture* View::createDistortionTexture(int width, int height) +{ + osg::ref_ptr texture = new osg::TextureRectangle; + + texture->setTextureSize(width, height); + texture->setInternalFormat(GL_RGB); + texture->setFilter(osg::Texture::MIN_FILTER,osg::Texture::LINEAR); + texture->setFilter(osg::Texture::MAG_FILTER,osg::Texture::LINEAR); + texture->setWrap(osg::Texture::WRAP_S,osg::Texture::CLAMP_TO_EDGE); + texture->setWrap(osg::Texture::WRAP_T,osg::Texture::CLAMP_TO_EDGE); + + return texture.release(); +} + +osg::Camera* View::assignRenderToTextureCamera(osg::GraphicsContext* gc, int width, int height, osg::Texture* texture) +{ + osg::ref_ptr camera = new osg::Camera; + camera->setName("Render to texture camera"); + camera->setGraphicsContext(gc); + camera->setViewport(new osg::Viewport(0,0,width, height)); + camera->setDrawBuffer(GL_FRONT); + camera->setReadBuffer(GL_FRONT); + camera->setAllowEventFocus(false); + camera->setRenderTargetImplementation(osg::Camera::FRAME_BUFFER_OBJECT); + + // attach the texture and use it as the color buffer. + camera->attach(osg::Camera::COLOR_BUFFER, texture); + + addSlave(camera.get(), osg::Matrixd(), osg::Matrixd()); + + return camera.release(); +} + +osg::Camera* View::assignKeystoneDistortionCamera(osg::DisplaySettings* ds, osg::GraphicsContext* gc, int x, int y, int width, int height, GLenum buffer, osg::Texture* texture, Keystone* keystone) +{ + double screenDistance = ds->getScreenDistance(); + double screenWidth = ds->getScreenWidth(); + double screenHeight = ds->getScreenHeight(); + double fovy = osg::RadiansToDegrees(2.0*atan2(screenHeight/2.0,screenDistance)); + double aspectRatio = screenWidth/screenHeight; + + osg::Geode* geode = keystone->createKeystoneDistortionMesh(); + + // new we need to add the texture to the mesh, we do so by creating a + // StateSet to contain the Texture StateAttribute. + osg::StateSet* stateset = geode->getOrCreateStateSet(); + stateset->setTextureAttributeAndModes(0, texture,osg::StateAttribute::ON); + stateset->setMode(GL_LIGHTING,osg::StateAttribute::OFF); + + osg::TexMat* texmat = new osg::TexMat; + texmat->setScaleByTextureRectangleSize(true); + stateset->setTextureAttributeAndModes(0, texmat, osg::StateAttribute::ON); + + osg::ref_ptr camera = new osg::Camera; + camera->setGraphicsContext(gc); + camera->setClearMask(GL_DEPTH_BUFFER_BIT | GL_COLOR_BUFFER_BIT ); + camera->setClearColor( osg::Vec4(0.0,0.0,0.0,1.0) ); + camera->setViewport(new osg::Viewport(x, y, width, height)); + camera->setDrawBuffer(buffer); + camera->setReadBuffer(buffer); + camera->setReferenceFrame(osg::Camera::ABSOLUTE_RF); + camera->setInheritanceMask(camera->getInheritanceMask() & ~osg::CullSettings::CLEAR_COLOR & ~osg::CullSettings::COMPUTE_NEAR_FAR_MODE); + //camera->setComputeNearFarMode(osg::CullSettings::DO_NOT_COMPUTE_NEAR_FAR); + + camera->setViewMatrix(osg::Matrix::identity()); + camera->setProjectionMatrixAsPerspective(fovy, aspectRatio, 0.1, 1000.0); + + // add subgraph to render + camera->addChild(geode); + + camera->addChild(keystone->createGrid()); + + camera->setName("DistortionCorrectionCamera"); + + // camera->addEventCallback(new KeystoneHandler(keystone)); + + addSlave(camera.get(), osg::Matrixd(), osg::Matrixd(), false); + + return camera.release(); +} + + + +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 \ No newline at end of file diff --git a/src/osgViewer/Keystone.cpp b/src/osgViewer/Keystone.cpp index 229acbb4d..c80981012 100644 --- a/src/osgViewer/Keystone.cpp +++ b/src/osgViewer/Keystone.cpp @@ -592,28 +592,3 @@ bool Keystone::loadKeystoneFiles(osg::DisplaySettings* ds) return keystonesLoaded; } - - -/////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// -// -// Serialization support -// - -#include -#include -#include - -REGISTER_OBJECT_WRAPPER( Keystone, - new osgViewer::Keystone, - osgViewer::Keystone, - "osg::Object osgViewer::Keystone" ) -{ - ADD_BOOL_SERIALIZER( KeystoneEditingEnabled, true ); - ADD_VEC4_SERIALIZER( GridColor, osg::Vec4(1.0,1.0,1.0,1.0) ); - ADD_VEC2D_SERIALIZER( BottomLeft, osg::Vec2d(0.0,0.0) ); - ADD_VEC2D_SERIALIZER( BottomRight, osg::Vec2d(0.0,0.0) ); - ADD_VEC2D_SERIALIZER( TopLeft, osg::Vec2d(0.0,0.0) ); - ADD_VEC2D_SERIALIZER( TopRight, osg::Vec2d(0.0,0.0) ); -} - - diff --git a/src/osgWrappers/serializers/CMakeLists.txt b/src/osgWrappers/serializers/CMakeLists.txt index 11fccdd75..2156a23bf 100644 --- a/src/osgWrappers/serializers/CMakeLists.txt +++ b/src/osgWrappers/serializers/CMakeLists.txt @@ -48,3 +48,4 @@ ADD_SUBDIRECTORY(osgGA) ADD_SUBDIRECTORY(osgTerrain) ADD_SUBDIRECTORY(osgText) ADD_SUBDIRECTORY(osgVolume) +ADD_SUBDIRECTORY(osgViewer) diff --git a/src/osgWrappers/serializers/osgViewer/CMakeLists.txt b/src/osgWrappers/serializers/osgViewer/CMakeLists.txt new file mode 100644 index 000000000..98bee4867 --- /dev/null +++ b/src/osgWrappers/serializers/osgViewer/CMakeLists.txt @@ -0,0 +1,7 @@ +FILE(GLOB TARGET_SRC *.cpp) +FILE(GLOB TARGET_H *.h) + +SET(TARGET_ADDED_LIBRARIES osgViewer ) + +#### end var setup ### +SETUP_PLUGIN(osgviewer) diff --git a/src/osgWrappers/serializers/osgViewer/Config.cpp b/src/osgWrappers/serializers/osgViewer/Config.cpp new file mode 100644 index 000000000..4637c350e --- /dev/null +++ b/src/osgWrappers/serializers/osgViewer/Config.cpp @@ -0,0 +1,12 @@ +#include + +#include +#include +#include + +REGISTER_OBJECT_WRAPPER( osgViewer_Config, + new osgViewer::Config, + osgViewer::Config, + "osg::Object osgViewer::Config" ) +{ +} diff --git a/src/osgWrappers/serializers/osgViewer/Keystone.cpp b/src/osgWrappers/serializers/osgViewer/Keystone.cpp new file mode 100644 index 000000000..d5a2265f6 --- /dev/null +++ b/src/osgWrappers/serializers/osgViewer/Keystone.cpp @@ -0,0 +1,18 @@ +#include + +#include +#include +#include + +REGISTER_OBJECT_WRAPPER( osgViewer_Keystone, + new osgViewer::Keystone, + osgViewer::Keystone, + "osg::Object osgViewer::Keystone" ) +{ + ADD_BOOL_SERIALIZER( KeystoneEditingEnabled, true ); + ADD_VEC4_SERIALIZER( GridColor, osg::Vec4(1.0,1.0,1.0,1.0) ); + ADD_VEC2D_SERIALIZER( BottomLeft, osg::Vec2d(0.0,0.0) ); + ADD_VEC2D_SERIALIZER( BottomRight, osg::Vec2d(0.0,0.0) ); + ADD_VEC2D_SERIALIZER( TopLeft, osg::Vec2d(0.0,0.0) ); + ADD_VEC2D_SERIALIZER( TopRight, osg::Vec2d(0.0,0.0) ); +} diff --git a/src/osgWrappers/serializers/osgViewer/ViewAcrossAllScreens.cpp b/src/osgWrappers/serializers/osgViewer/ViewAcrossAllScreens.cpp new file mode 100644 index 000000000..4902f8b8f --- /dev/null +++ b/src/osgWrappers/serializers/osgViewer/ViewAcrossAllScreens.cpp @@ -0,0 +1,12 @@ +#include + +#include +#include +#include + +REGISTER_OBJECT_WRAPPER( osgViewer_ViewAcrossAllScreens, + new osgViewer::ViewAcrossAllScreens, + osgViewer::ViewAcrossAllScreens, + "osg::Object osgViewer::Config osgViewer::ViewAcrossAllScreens" ) +{ +} diff --git a/src/osgWrappers/serializers/osgViewer/ViewInWindow.cpp b/src/osgWrappers/serializers/osgViewer/ViewInWindow.cpp new file mode 100644 index 000000000..bc0d5776d --- /dev/null +++ b/src/osgWrappers/serializers/osgViewer/ViewInWindow.cpp @@ -0,0 +1,17 @@ +#include + +#include +#include +#include + +REGISTER_OBJECT_WRAPPER( osgViewer_ViewInWindow, + new osgViewer::ViewInWindow, + osgViewer::ViewInWindow, + "osg::Object osgViewer::Config osgViewer::ViewInWindow" ) +{ + ADD_INT_SERIALIZER( X, 0); + ADD_INT_SERIALIZER( Y, 0); + ADD_INT_SERIALIZER( Width, -1); + ADD_INT_SERIALIZER( Height, -1); + ADD_UINT_SERIALIZER( ScreenNum, 0u); +}