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| |
| #include "rendersurfaceselector_p.h" |
| #include <Qt3DRender/qrendersurfaceselector.h> |
| #include <Qt3DRender/private/qrendersurfaceselector_p.h> |
| #include <QtGui/qwindow.h> |
| #include <QtGui/qscreen.h> |
| #include <QtGui/qoffscreensurface.h> |
| |
| QT_BEGIN_NAMESPACE |
| |
| using namespace Qt3DCore; |
| |
| namespace { |
| |
| QSurface *surfaceFromQObject(QObject *o) |
| { |
| QSurface *surface = nullptr; |
| QWindow *window = qobject_cast<QWindow *>(o); |
| if (window) { |
| surface = static_cast<QSurface *>(window); |
| } else { |
| QOffscreenSurface *offscreen = qobject_cast<QOffscreenSurface *>(o); |
| if (offscreen) |
| surface = static_cast<QSurface *>(offscreen); |
| } |
| return surface; |
| } |
| |
| } |
| |
| namespace Qt3DRender { |
| namespace Render { |
| |
| RenderSurfaceSelector::RenderSurfaceSelector() |
| : FrameGraphNode(FrameGraphNode::Surface) |
| , m_surfaceObj(nullptr) |
| , m_surface(nullptr) |
| , m_width(0) |
| , m_height(0) |
| , m_devicePixelRatio(0.0f) |
| { |
| } |
| |
| void RenderSurfaceSelector::syncFromFrontEnd(const QNode *frontEnd, bool firstTime) |
| { |
| const QRenderSurfaceSelector *node = qobject_cast<const QRenderSurfaceSelector *>(frontEnd); |
| if (!node) |
| return; |
| |
| FrameGraphNode::syncFromFrontEnd(frontEnd, firstTime); |
| |
| if (node->surface() != m_surfaceObj) { |
| m_surfaceObj = node->surface(); |
| m_surface = surfaceFromQObject(m_surfaceObj); |
| markDirty(AbstractRenderer::FrameGraphDirty); |
| } |
| |
| if (m_surface && m_surface->surfaceClass() == QSurface::Window) { |
| QWindow *window = static_cast<QWindow *>(m_surface); |
| if (window->width() != m_width) { |
| m_width = window->width(); |
| markDirty(AbstractRenderer::FrameGraphDirty); |
| } |
| if (window->height() != m_height) { |
| m_height = window->height(); |
| markDirty(AbstractRenderer::FrameGraphDirty); |
| } |
| } |
| |
| if (node->externalRenderTargetSize() != m_renderTargetSize) { |
| m_renderTargetSize = node->externalRenderTargetSize(); |
| markDirty(AbstractRenderer::FrameGraphDirty); |
| } |
| |
| if (node->surfacePixelRatio() != m_devicePixelRatio) { |
| m_devicePixelRatio = node->surfacePixelRatio(); |
| markDirty(AbstractRenderer::FrameGraphDirty); |
| } |
| } |
| |
| QSize RenderSurfaceSelector::renderTargetSize() const |
| { |
| if (m_renderTargetSize.isValid()) |
| return m_renderTargetSize; |
| return QSize(m_width, m_height); |
| } |
| |
| } // namespace Render |
| } // namespace Qt3DRender |
| |
| QT_END_NAMESPACE |