Commit eea94660 authored by Vlad Zahorodnii's avatar Vlad Zahorodnii
Browse files

utils: Extract DamageJournal in its own file

parent dece547a
Pipeline #137656 passed with stage
in 12 minutes and 58 seconds
......@@ -9,7 +9,7 @@
#pragma once
#include "utils/common.h"
#include "utils/damagejournal.h"
#include <QVector>
#include <QSize>
......
......@@ -9,7 +9,6 @@
#ifndef KWIN_EGL_GBM_BACKEND_H
#define KWIN_EGL_GBM_BACKEND_H
#include "abstract_egl_backend.h"
#include "utils/common.h"
#include <kwinglutils.h>
......
......@@ -15,7 +15,7 @@
#include <optional>
#include "drm_buffer_gbm.h"
#include "utils/common.h"
#include "utils/damagejournal.h"
struct gbm_device;
struct gbm_surface;
......
......@@ -10,7 +10,7 @@
#ifndef KWIN_EGL_WAYLAND_BACKEND_H
#define KWIN_EGL_WAYLAND_BACKEND_H
#include "abstract_egl_backend.h"
#include "utils/common.h"
#include "utils/damagejournal.h"
// wayland
#include <wayland-egl.h>
......
......@@ -11,7 +11,7 @@
#define KWIN_SCENE_QPAINTER_WAYLAND_BACKEND_H
#include "qpainterbackend.h"
#include "utils/common.h"
#include "utils/damagejournal.h"
#include <QObject>
#include <QImage>
......
......@@ -8,7 +8,7 @@
#include "eglonxbackend.h"
#include "openglsurfacetexture_x11.h"
#include "utils/common.h"
#include "utils/damagejournal.h"
#include <kwingltexture.h>
#include <kwingltexture_p.h>
......
......@@ -11,7 +11,7 @@
#include "openglbackend.h"
#include "openglsurfacetexture_x11.h"
#include "x11eventfilter.h"
#include "utils/common.h"
#include "utils/damagejournal.h"
#include <xcb/glx.h>
#include <epoxy/glx.h>
......
......@@ -154,73 +154,6 @@ Qt::MouseButton KWIN_EXPORT x11ToQtMouseButton(int button);
Qt::MouseButtons KWIN_EXPORT x11ToQtMouseButtons(int state);
Qt::KeyboardModifiers KWIN_EXPORT x11ToQtKeyboardModifiers(int state);
/**
* The DamageJournal class is a helper that tracks last N damage regions.
*/
class KWIN_EXPORT DamageJournal
{
public:
/**
* Returns the maximum number of damage regions that can be stored in the journal.
*/
int capacity() const
{
return m_capacity;
}
/**
* Sets the maximum number of damage regions that can be stored in the journal
* to @a capacity.
*/
void setCapacity(int capacity)
{
m_capacity = capacity;
}
/**
* Adds the specified @a region to the journal.
*/
void add(const QRegion &region)
{
while (m_log.size() >= m_capacity) {
m_log.takeLast();
}
m_log.prepend(region);
}
/**
* Clears the damage journal. Typically, one would want to clear the damage journal
* if a buffer swap fails for some reason.
*/
void clear()
{
m_log.clear();
}
/**
* Accumulates the damage regions in the log up to the specified @a bufferAge.
*
* If the specified buffer age value refers to a damage region older than the last
* one in the journal, @a fallback will be returned.
*/
QRegion accumulate(int bufferAge, const QRegion &fallback = QRegion()) const
{
QRegion region;
if (bufferAge > 0 && bufferAge <= m_log.size()) {
for (int i = 0; i < bufferAge - 1; ++i) {
region |= m_log[i];
}
} else {
region = fallback;
}
return region;
}
private:
QList<QRegion> m_log;
int m_capacity = 10;
};
KWIN_EXPORT QPoint popupOffset(const QRect &anchorRect, const Qt::Edges anchorEdge, const Qt::Edges gravity, const QSize popupSize);
} // namespace
......
/*
SPDX-FileCopyrightText: 2022 Vlad Zahorodnii <vlad.zahorodnii@kde.org>
SPDX-License-Identifier: GPL-2.0-or-later
*/
#pragma once
#include "kwin_export.h"
#include <QRegion>
namespace KWin
{
/**
* The DamageJournal class is a helper that tracks last N damage regions.
*/
class KWIN_EXPORT DamageJournal
{
public:
/**
* Returns the maximum number of damage regions that can be stored in the journal.
*/
int capacity() const
{
return m_capacity;
}
/**
* Sets the maximum number of damage regions that can be stored in the journal
* to @a capacity.
*/
void setCapacity(int capacity)
{
m_capacity = capacity;
}
/**
* Adds the specified @a region to the journal.
*/
void add(const QRegion &region)
{
while (m_log.size() >= m_capacity) {
m_log.takeLast();
}
m_log.prepend(region);
}
/**
* Clears the damage journal. Typically, one would want to clear the damage journal
* if a buffer swap fails for some reason.
*/
void clear()
{
m_log.clear();
}
/**
* Accumulates the damage regions in the log up to the specified @a bufferAge.
*
* If the specified buffer age value refers to a damage region older than the last
* one in the journal, @a fallback will be returned.
*/
QRegion accumulate(int bufferAge, const QRegion &fallback = QRegion()) const
{
QRegion region;
if (bufferAge > 0 && bufferAge <= m_log.size()) {
for (int i = 0; i < bufferAge - 1; ++i) {
region |= m_log[i];
}
} else {
region = fallback;
}
return region;
}
private:
QList<QRegion> m_log;
int m_capacity = 10;
};
} // namespace KWin
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