diff --git a/examples/osgkeystone/osgkeystone.cpp b/examples/osgkeystone/osgkeystone.cpp index 1ca12200c..2b2af3fdd 100644 --- a/examples/osgkeystone/osgkeystone.cpp +++ b/examples/osgkeystone/osgkeystone.cpp @@ -31,6 +31,7 @@ #include #include #include +#include int main( int argc, char **argv ) @@ -46,7 +47,7 @@ int main( int argc, char **argv ) } if (!config) { - config = new osgViewer::SingleWindow(100,100,800,600,0); + config = new osgViewer::WoWVxDisplay(); // new osgViewer::SingleWindow(100,100,800,600,0); } OSG_NOTICE<<"Config "< + +namespace osgViewer { + +/** autostereoscopic Philips WoWvx display.*/ +class OSGVIEWER_EXPORT WoWVxDisplay : public Config +{ + public: + + // default to 20" display, type can be 20 to 42. + WoWVxDisplay(unsigned int type=20, unsigned int screenNum=0): + _screenNum(0), + _wow_content(0x02), + _wow_factor(0x40), + _wow_offset(0x80), + _wow_disparity_Zd(0.459813f), + _wow_disparity_vz(6.180772f), + _wow_disparity_M(-1586.34f), + _wow_disparity_C(127.5f) { if (type==42) WoWVx42(); } + + WoWVxDisplay(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): + _screenNum(screenNum), + _wow_content(wow_content), + _wow_factor(wow_factor), + _wow_offset(wow_offset), + _wow_disparity_Zd(wow_disparity_Zd), + _wow_disparity_vz(wow_disparity_vz), + _wow_disparity_M(wow_disparity_M), + _wow_disparity_C(wow_disparity_C) {} + + WoWVxDisplay(const WoWVxDisplay& rhs, const osg::CopyOp& copyop=osg::CopyOp::SHALLOW_COPY): + Config(rhs, copyop), + _screenNum(rhs._screenNum), + _wow_content(rhs._wow_content), + _wow_factor(rhs._wow_factor), + _wow_offset(rhs._wow_offset), + _wow_disparity_Zd(rhs._wow_disparity_Zd), + _wow_disparity_vz(rhs._wow_disparity_vz), + _wow_disparity_M(rhs._wow_disparity_M), + _wow_disparity_C(rhs._wow_disparity_C) {} + + META_Object(osgViewer, WoWVxDisplay); + + virtual void configure(osgViewer::View& view) const; + + void setScreenNum(unsigned int n) { _screenNum = n; } + unsigned int getScreenNum() const { return _screenNum; } + + void WoWVx20() + { + _wow_disparity_Zd = 0.459813f; + _wow_disparity_vz = 6.180772f; + _wow_disparity_M = -1586.34f; + _wow_disparity_C = 127.5f; + } + + void WoWVx42() + { + _wow_disparity_Zd = 0.467481f; + _wow_disparity_vz = 7.655192f; + _wow_disparity_M = -1960.37f; + _wow_disparity_C = 127.5f; + } + + void setContent(unsigned char c) { _wow_content = c; } + double getContent() const { return _wow_content; } + + void setFactor(unsigned char c) { _wow_factor = c; } + double getFactor() const { return _wow_factor; } + + void setOffset(unsigned char c) { _wow_offset = c; } + double getOffset() const { return _wow_offset; } + + void setDisparityZD(float c) { _wow_disparity_Zd = c; } + float getDisparityZD() const { return _wow_disparity_Zd; } + + void setDisparityVZ(float c) { _wow_disparity_vz = c; } + float getDisparityVZ() const { return _wow_disparity_vz; } + + void setDisparityM(float c) { _wow_disparity_M = c; } + float getDisparityM() const { return _wow_disparity_M; } + + void setDisparityC(float c) { _wow_disparity_C = c; } + float getDisparityC() 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; +}; + +#if 0 +/** 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) const; + + protected: +}; + +#endif + +} + + +#endif diff --git a/src/osgViewer/config/PanormaicSphericalDisplay.cpp b/src/osgViewer/config/PanormaicSphericalDisplay.cpp index e0f1bc92a..347c9d285 100644 --- a/src/osgViewer/config/PanormaicSphericalDisplay.cpp +++ b/src/osgViewer/config/PanormaicSphericalDisplay.cpp @@ -290,1354 +290,3 @@ void PanoramicSphericalDisplay::configure(osgViewer::View& view) const view.addSlave(camera.get(), osg::Matrixd(), osg::Matrixd(), false); } } -#if 0 - -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; -} - - -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/config/WoWVxDisplay.cpp b/src/osgViewer/config/WoWVxDisplay.cpp new file mode 100644 index 000000000..b5d82c1be --- /dev/null +++ b/src/osgViewer/config/WoWVxDisplay.cpp @@ -0,0 +1,1381 @@ +/* -*-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 + +using namespace osgViewer; + +void WoWVxDisplay::configure(osgViewer::View& view) const +{ + OSG_INFO<<"WoWVxDisplay::configure(...)"<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); + + view.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"); + + view.addSlave(camera.get(), osg::Matrixd(), osg::Matrixd(), false); + } + } +} + +#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 \ No newline at end of file diff --git a/src/osgWrappers/serializers/osgViewer/WoWVxDisplay.cpp b/src/osgWrappers/serializers/osgViewer/WoWVxDisplay.cpp new file mode 100644 index 000000000..82dee7617 --- /dev/null +++ b/src/osgWrappers/serializers/osgViewer/WoWVxDisplay.cpp @@ -0,0 +1,22 @@ +#include + +#include +#include +#include + +REGISTER_OBJECT_WRAPPER( osgViewer_WoWVxDisplay, + new osgViewer::WoWVxDisplay, + osgViewer::WoWVxDisplay, + "osg::Object osgViewer::Config osgViewer::WoWVxDisplay" ) +{ + ADD_UINT_SERIALIZER(ScreenNum, 0u); + + ADD_UCHAR_SERIALIZER(Content, 0); + ADD_UCHAR_SERIALIZER(Factor, 0); + ADD_UCHAR_SERIALIZER(Offset, 0); + + ADD_FLOAT_SERIALIZER(DisparityZD, 0); + ADD_FLOAT_SERIALIZER(DisparityVZ, 0); + ADD_FLOAT_SERIALIZER(DisparityM, 0); + ADD_FLOAT_SERIALIZER(DisparityC, 0); +}