blob: 586dfb44a43f7c9729e17c370271accec6104f37 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
|
// Copyright (C) 2022 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only
#include "qrhibackingstore_p.h"
#include <private/qimage_p.h>
QT_BEGIN_NAMESPACE
QRhiBackingStore::QRhiBackingStore(QWindow *window)
: QRasterBackingStore(window)
{
}
QRhiBackingStore::~QRhiBackingStore()
{
}
void QRhiBackingStore::flush(QWindow *flushedWindow, const QRegion ®ion, const QPoint &offset)
{
Q_UNUSED(region);
Q_UNUSED(offset);
if (flushedWindow->surfaceType() != window()->surfaceType()) {
qWarning() << "Cannot flush child window" << flushedWindow
<< "with surface type" << flushedWindow->surfaceType() << ";"
<< "Must match" << window()->surfaceType() << "of" << window();
// FIXME: Support different surface types by not tying the
// RHI config to the backing store itself (per window config).
return;
}
if (!rhi()) {
QPlatformBackingStoreRhiConfig rhiConfig;
switch (window()->surfaceType()) {
case QSurface::OpenGLSurface:
rhiConfig.setApi(QPlatformBackingStoreRhiConfig::OpenGL);
break;
case QSurface::MetalSurface:
rhiConfig.setApi(QPlatformBackingStoreRhiConfig::Metal);
break;
default:
Q_UNREACHABLE();
}
rhiConfig.setEnabled(true);
setRhiConfig(rhiConfig);
}
static QPlatformTextureList emptyTextureList;
bool translucentBackground = m_image.hasAlphaChannel();
rhiFlush(flushedWindow, flushedWindow->devicePixelRatio(),
region, offset, &emptyTextureList, translucentBackground);
}
QImage::Format QRhiBackingStore::format() const
{
QImage::Format fmt = QRasterBackingStore::format();
// With render-to-texture widgets and QRhi-based flushing the backingstore
// image must have an alpha channel. Hence upgrading the format. Matches
// what other platforms (Windows, xcb) do.
if (QImage::toPixelFormat(fmt).alphaUsage() != QPixelFormat::UsesAlpha)
fmt = qt_maybeDataCompatibleAlphaVersion(fmt);
return fmt;
}
QT_END_NAMESPACE
|