| 1 | // Copyright (C) 2016 Klaralvdalens Datakonsult AB (KDAB). |
|---|---|
| 2 | // SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only |
| 3 | |
| 4 | #include "rendersurfaceselector_p.h" |
| 5 | #include <Qt3DRender/qrendersurfaceselector.h> |
| 6 | #include <Qt3DRender/private/qrendersurfaceselector_p.h> |
| 7 | #include <QtGui/qwindow.h> |
| 8 | #include <QtGui/qscreen.h> |
| 9 | #include <QtGui/qoffscreensurface.h> |
| 10 | |
| 11 | QT_BEGIN_NAMESPACE |
| 12 | |
| 13 | using namespace Qt3DCore; |
| 14 | |
| 15 | namespace { |
| 16 | |
| 17 | QSurface *surfaceFromQObject(QObject *o) |
| 18 | { |
| 19 | QSurface *surface = nullptr; |
| 20 | QWindow *window = qobject_cast<QWindow *>(o); |
| 21 | if (window) { |
| 22 | surface = static_cast<QSurface *>(window); |
| 23 | } else { |
| 24 | QOffscreenSurface *offscreen = qobject_cast<QOffscreenSurface *>(object: o); |
| 25 | if (offscreen) |
| 26 | surface = static_cast<QSurface *>(offscreen); |
| 27 | } |
| 28 | return surface; |
| 29 | } |
| 30 | |
| 31 | } |
| 32 | |
| 33 | namespace Qt3DRender { |
| 34 | namespace Render { |
| 35 | |
| 36 | RenderSurfaceSelector::RenderSurfaceSelector() |
| 37 | : FrameGraphNode(FrameGraphNode::Surface) |
| 38 | , m_surfaceObj(nullptr) |
| 39 | , m_surface(nullptr) |
| 40 | , m_width(0) |
| 41 | , m_height(0) |
| 42 | , m_devicePixelRatio(0.0f) |
| 43 | { |
| 44 | } |
| 45 | |
| 46 | void RenderSurfaceSelector::syncFromFrontEnd(const QNode *frontEnd, bool firstTime) |
| 47 | { |
| 48 | const QRenderSurfaceSelector *node = qobject_cast<const QRenderSurfaceSelector *>(object: frontEnd); |
| 49 | if (!node) |
| 50 | return; |
| 51 | |
| 52 | FrameGraphNode::syncFromFrontEnd(frontEnd, firstTime); |
| 53 | |
| 54 | if (node->surface() != m_surfaceObj) { |
| 55 | m_surfaceObj = node->surface(); |
| 56 | m_surface = surfaceFromQObject(o: m_surfaceObj); |
| 57 | markDirty(changes: AbstractRenderer::FrameGraphDirty); |
| 58 | } |
| 59 | |
| 60 | if (m_surface && m_surface->surfaceClass() == QSurface::Window) { |
| 61 | QWindow *window = static_cast<QWindow *>(m_surface); |
| 62 | if (window->width() != m_width) { |
| 63 | m_width = window->width(); |
| 64 | markDirty(changes: AbstractRenderer::FrameGraphDirty); |
| 65 | } |
| 66 | if (window->height() != m_height) { |
| 67 | m_height = window->height(); |
| 68 | markDirty(changes: AbstractRenderer::FrameGraphDirty); |
| 69 | } |
| 70 | } |
| 71 | |
| 72 | if (node->externalRenderTargetSize() != m_renderTargetSize) { |
| 73 | m_renderTargetSize = node->externalRenderTargetSize(); |
| 74 | markDirty(changes: AbstractRenderer::FrameGraphDirty); |
| 75 | } |
| 76 | |
| 77 | if (node->surfacePixelRatio() != m_devicePixelRatio) { |
| 78 | m_devicePixelRatio = node->surfacePixelRatio(); |
| 79 | markDirty(changes: AbstractRenderer::FrameGraphDirty); |
| 80 | } |
| 81 | } |
| 82 | |
| 83 | QSize RenderSurfaceSelector::renderTargetSize() const |
| 84 | { |
| 85 | if (m_renderTargetSize.isValid()) |
| 86 | return m_renderTargetSize; |
| 87 | return QSize(m_width, m_height); |
| 88 | } |
| 89 | |
| 90 | } // namespace Render |
| 91 | } // namespace Qt3DRender |
| 92 | |
| 93 | QT_END_NAMESPACE |
| 94 |