void ViewportGadget::doRender( const Style *style ) const
{
glClearColor( 0.3f, 0.3f, 0.3f, 0.0f );
glClearDepth( 1.0f );
glClear( GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT );
IECoreGL::ToGLConverterPtr converter = new IECoreGL::ToGLCameraConverter(
const_cast<CameraController &>( m_cameraController ).getCamera()
);
IECoreGL::CameraPtr camera = boost::static_pointer_cast<IECoreGL::Camera>( converter->convert() );
camera->render( 0 );
// Set up the camera to world matrix in gl_TextureMatrix[0] so that we can
// reference world space positions in shaders
// This should be more appropriately named in a uniform buffer, but the
// easiest time to get this right is probably when we switch everything
// away from using fixed function stuff
glActiveTexture( GL_TEXTURE0 );
glMatrixMode( GL_TEXTURE );
glLoadIdentity();
glMultMatrixf( camera->getTransform().getValue() );
glMatrixMode( GL_MODELVIEW );
Gadget::doRender( style );
}
void ViewportGadget::doRender( const Style *style ) const
{
glClearColor( 0.3f, 0.3f, 0.3f, 0.0f );
glClearDepth( 1.0f );
glClear( GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT );
IECoreGL::ToGLConverterPtr converter = new IECoreGL::ToGLCameraConverter(
const_cast<CameraController &>( m_cameraController ).getCamera()
);
IECoreGL::CameraPtr camera = staticPointerCast<IECoreGL::Camera>( converter->convert() );
camera->render( 0 );
IndividualContainer::doRender( style );
}
void ViewportGadget::SelectionScope::begin( const ViewportGadget *viewportGadget, const Imath::Box2f &rasterRegion, const Imath::M44f &transform, IECoreGL::Selector::Mode mode )
{
V2f viewport = viewportGadget->getViewport();
Box2f ndcRegion( rasterRegion.min / viewport, rasterRegion.max / viewport );
IECoreGL::ToGLConverterPtr converter = new IECoreGL::ToGLCameraConverter(
const_cast<CameraController &>( viewportGadget->m_cameraController ).getCamera()
);
IECoreGL::CameraPtr camera = staticPointerCast<IECoreGL::Camera>( converter->convert() );
/// \todo It would be better to base this on whether we have a depth buffer or not, but
/// we don't have access to that information right now.
m_depthSort = camera->isInstanceOf( IECoreGL::PerspectiveCamera::staticTypeId() );
camera->render( 0 );
glClearColor( 0.3f, 0.3f, 0.3f, 0.0f );
glClearDepth( 1.0f );
glClear( GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT );
m_selector = SelectorPtr( new IECoreGL::Selector( ndcRegion, mode, m_selection ) );
glPushMatrix();
glMultMatrixf( transform.getValue() );
}