blob: d19f87bc55a32bac146cf87fed0b944aca5892ad (
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
69
|
// Copyright (C) 2024 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
#ifndef QDXGIHDRINFO_P_H
#define QDXGIHDRINFO_P_H
//
// W A R N I N G
// -------------
//
// This file is not part of the Qt API. It exists purely as an
// implementation detail. This header file may change from version to
// version without notice, or even be removed.
//
// We mean it.
//
#include <QtGui/qwindow.h>
#include <rhi/qrhi.h>
#include <dxgi1_6.h>
QT_BEGIN_NAMESPACE
class Q_GUI_EXPORT QDxgiHdrInfo
{
public:
// When already having an adapter, i.e. in a D3D11/12 backend of QRhi; this
// is very cheap to construct.
QDxgiHdrInfo(IDXGIAdapter1 *adapter);
// When having the adapter LUID from somewhere (e.g.
// VkPhysicalDeviceIDProperties::deviceLUID); This has to create a DXGI
// factory and enumarate to find the matching IDXGIAdapter, so less cheap.
QDxgiHdrInfo(LUID luid);
// All functions below will enumerate all adapters and all their outputs
// every time they are called. Probably not nice. Use when there is no
// knowledge which GPUs will be used with QRhi.
QDxgiHdrInfo();
~QDxgiHdrInfo();
// True if the window belongs to an output where HDR is enabled. Moving a
// window to another screen may make this function return a different value.
//
// If/how DXGI outputs map to screens, is out of our hands, but they will
// typically match. However, this will not be functional when WARP is used
// since the WARP adapter never has any outputs associated (even though
// there are certainly screens still).
//
bool isHdrCapable(QWindow *w);
// HDR info and white level. Or default, dummy values when the window is not
// on a HDR-enabled output.
QRhiSwapChainHdrInfo queryHdrInfo(QWindow *w);
private:
static bool output6ForWindow(QWindow *w, IDXGIAdapter1 *adapter, IDXGIOutput6 **result);
static bool outputDesc1ForWindow(QWindow *w, IDXGIAdapter1 *adapter, DXGI_OUTPUT_DESC1 *result);
static float sdrWhiteLevelInNits(const DXGI_OUTPUT_DESC1 &outputDesc);
IDXGIFactory2 *m_factory = nullptr;
IDXGIAdapter1 *m_adapter = nullptr;
};
QT_END_NAMESPACE
#endif
|
