e4938297e6
Specify the render target to buffer transformation and take that into account in effects and when calculating the projection matrix.
137 lines
2.5 KiB
C++
137 lines
2.5 KiB
C++
/*
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SPDX-FileCopyrightText: 2022 Vlad Zahorodnii <vlad.zahorodnii@kde.org>
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SPDX-License-Identifier: GPL-2.0-or-later
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*/
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#include "scene/scene.h"
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#include "core/output.h"
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#include "core/renderlayer.h"
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#include "scene/itemrenderer.h"
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namespace KWin
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{
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SceneDelegate::SceneDelegate(Scene *scene, Output *output)
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: m_scene(scene)
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, m_output(output)
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{
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m_scene->addDelegate(this);
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}
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SceneDelegate::~SceneDelegate()
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{
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m_scene->removeDelegate(this);
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}
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QRegion SceneDelegate::repaints() const
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{
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return m_scene->damage().translated(-viewport().topLeft());
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}
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SurfaceItem *SceneDelegate::scanoutCandidate() const
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{
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return m_scene->scanoutCandidate();
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}
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void SceneDelegate::prePaint()
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{
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m_scene->prePaint(this);
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}
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void SceneDelegate::postPaint()
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{
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m_scene->postPaint();
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}
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void SceneDelegate::paint(const RenderTarget &renderTarget, const QRegion ®ion)
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{
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m_scene->paint(renderTarget, region == infiniteRegion() ? infiniteRegion() : region.translated(viewport().topLeft()));
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}
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Output *SceneDelegate::output() const
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{
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return m_output;
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}
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QRect SceneDelegate::viewport() const
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{
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return m_output ? m_output->geometry() : m_scene->geometry();
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}
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Scene::Scene(std::unique_ptr<ItemRenderer> &&renderer)
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: m_renderer(std::move(renderer))
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{
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}
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Scene::~Scene()
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{
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}
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ItemRenderer *Scene::renderer() const
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{
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return m_renderer.get();
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}
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void Scene::addRepaintFull()
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{
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addRepaint(geometry());
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}
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void Scene::addRepaint(int x, int y, int width, int height)
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{
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addRepaint(QRegion(x, y, width, height));
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}
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void Scene::addRepaint(const QRegion ®ion)
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{
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for (const auto &delegate : std::as_const(m_delegates)) {
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const QRect viewport = delegate->viewport();
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QRegion dirtyRegion = region & viewport;
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dirtyRegion.translate(-viewport.topLeft());
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if (!dirtyRegion.isEmpty()) {
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delegate->layer()->addRepaint(dirtyRegion);
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}
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}
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}
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QRegion Scene::damage() const
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{
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return QRegion();
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}
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QRect Scene::geometry() const
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{
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return m_geometry;
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}
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void Scene::setGeometry(const QRect &rect)
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{
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if (m_geometry != rect) {
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m_geometry = rect;
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addRepaintFull();
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}
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}
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QList<SceneDelegate *> Scene::delegates() const
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{
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return m_delegates;
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}
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void Scene::addDelegate(SceneDelegate *delegate)
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{
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m_delegates.append(delegate);
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}
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void Scene::removeDelegate(SceneDelegate *delegate)
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{
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m_delegates.removeOne(delegate);
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Q_EMIT delegateRemoved(delegate);
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}
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SurfaceItem *Scene::scanoutCandidate() const
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{
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return nullptr;
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}
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} // namespace KWin
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