diff options
Diffstat (limited to 'src/datavis3dqml2/declarativemapsrenderer.cpp')
-rw-r--r-- | src/datavis3dqml2/declarativemapsrenderer.cpp | 79 |
1 files changed, 79 insertions, 0 deletions
diff --git a/src/datavis3dqml2/declarativemapsrenderer.cpp b/src/datavis3dqml2/declarativemapsrenderer.cpp new file mode 100644 index 00000000..6e8dc2db --- /dev/null +++ b/src/datavis3dqml2/declarativemapsrenderer.cpp @@ -0,0 +1,79 @@ +/**************************************************************************** +** +** Copyright (C) 2013 Digia Plc +** All rights reserved. +** For any questions to Digia, please use contact form at http://qt.digia.com +** +** This file is part of the QtDataVis3D module. +** +** Licensees holding valid Qt Enterprise licenses may use this file in +** accordance with the Qt Enterprise License Agreement provided with the +** Software or, alternatively, in accordance with the terms contained in +** a written agreement between you and Digia. +** +** If you have questions regarding the use of this file, please use +** contact form at http://qt.digia.com +** +****************************************************************************/ + +#include "declarativemapsrenderer_p.h" + +#include <QtQuick/QQuickWindow> +#include <QtGui/QOpenGLFramebufferObject> + +QT_DATAVIS3D_BEGIN_NAMESPACE + +DeclarativeMapsRenderer::DeclarativeMapsRenderer(QQuickWindow *window, Maps3DController *renderer) + : m_fbo(0), + m_texture(0), + m_window(window), + m_mapsRenderer(renderer) +{ + connect(m_window, SIGNAL(beforeRendering()), this, SLOT(render()), Qt::DirectConnection); +} + +DeclarativeMapsRenderer::~DeclarativeMapsRenderer() +{ + delete m_texture; + delete m_fbo; +} + +void DeclarativeMapsRenderer::render() +{ + QSize size = rect().size().toSize(); + + // Create FBO + if (!m_fbo) { + QOpenGLFramebufferObjectFormat format; + format.setAttachment(QOpenGLFramebufferObject::Depth); + m_fbo = new QOpenGLFramebufferObject(size, format); + m_texture = m_window->createTextureFromId(m_fbo->texture(), size); + + setTexture(m_texture); + + // Flip texture + // TODO: Can be gotten rid of once support for texture flipping becomes available (in Qt5.2) + QSize ts = m_texture->textureSize(); + QRectF sourceRect(0, 0, ts.width(), ts.height()); + float tmp = sourceRect.top(); + sourceRect.setTop(sourceRect.bottom()); + sourceRect.setBottom(tmp); + QSGGeometry *geometry = this->geometry(); + QSGGeometry::updateTexturedRectGeometry(geometry, rect(), + m_texture->convertToNormalizedSourceRect(sourceRect)); + markDirty(DirtyMaterial); + //qDebug() << "create node" << m_fbo->handle() << m_texture->textureId() << m_fbo->size(); + } + + // Call the shared rendering function + m_fbo->bind(); + + m_mapsRenderer->render(m_fbo->handle()); + + m_fbo->release(); + + // New view is in the FBO, request repaint of scene graph + m_window->update(); +} + +QT_DATAVIS3D_END_NAMESPACE |