kwin/src/surfaceitem_internal.cpp
Vlad Zahorodnii baf05ec4a5 Rename PlatformSurfaceTexture to SurfaceTexture
This is, primarily, to make naming consistent with SurfaceItem,
SurfacePixmap and just "Surface" in the future.
2021-10-21 10:21:56 +03:00

85 lines
2 KiB
C++

/*
SPDX-FileCopyrightText: 2021 Vlad Zahorodnii <vlad.zahorodnii@kde.org>
SPDX-License-Identifier: GPL-2.0-or-later
*/
#include "surfaceitem_internal.h"
#include "composite.h"
#include "scene.h"
namespace KWin
{
SurfaceItemInternal::SurfaceItemInternal(Toplevel *window, Item *parent)
: SurfaceItem(window, parent)
{
connect(window, &Toplevel::bufferGeometryChanged,
this, &SurfaceItemInternal::handleBufferGeometryChanged);
setSize(window->bufferGeometry().size());
// The device pixel ratio of the internal window is static.
QMatrix4x4 surfaceToBufferMatrix;
surfaceToBufferMatrix.scale(window->bufferScale());
setSurfaceToBufferMatrix(surfaceToBufferMatrix);
}
QRegion SurfaceItemInternal::shape() const
{
return QRegion(rect());
}
SurfacePixmap *SurfaceItemInternal::createPixmap()
{
return new SurfacePixmapInternal(this);
}
void SurfaceItemInternal::handleBufferGeometryChanged(Toplevel *toplevel, const QRect &old)
{
if (toplevel->bufferGeometry().size() != old.size()) {
discardPixmap();
}
setSize(toplevel->bufferGeometry().size());
}
SurfacePixmapInternal::SurfacePixmapInternal(SurfaceItemInternal *item, QObject *parent)
: SurfacePixmap(Compositor::self()->scene()->createSurfaceTextureInternal(this), parent)
, m_item(item)
{
}
QOpenGLFramebufferObject *SurfacePixmapInternal::fbo() const
{
return m_fbo.data();
}
QImage SurfacePixmapInternal::image() const
{
return m_rasterBuffer;
}
void SurfacePixmapInternal::create()
{
update();
}
void SurfacePixmapInternal::update()
{
const Toplevel *window = m_item->window();
if (window->internalFramebufferObject()) {
m_fbo = window->internalFramebufferObject();
m_hasAlphaChannel = true;
} else if (!window->internalImageObject().isNull()) {
m_rasterBuffer = window->internalImageObject();
m_hasAlphaChannel = m_rasterBuffer.hasAlphaChannel();
}
}
bool SurfacePixmapInternal::isValid() const
{
return !m_fbo.isNull() || !m_rasterBuffer.isNull();
}
} // namespace KWin