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39
40#ifndef QOPENGL_P_H
41#define QOPENGL_P_H
42
43//
44// W A R N I N G
45// -------------
46//
47// This file is not part of the Qt API. It exists purely as an
48// implementation detail. This header file may change from version to
49// version without notice, or even be removed.
50//
51// We mean it.
52//
53
54#include <QtGui/private/qtguiglobal_p.h>
55#include <qopengl.h>
56#include <private/qopenglcontext_p.h>
57#include <QtCore/qset.h>
58#include <QtCore/qstring.h>
59#include <QtCore/qversionnumber.h>
60
61QT_BEGIN_NAMESPACE
62
63class QJsonDocument;
64
65class Q_GUI_EXPORT QOpenGLExtensionMatcher
66{
67public:
68 QOpenGLExtensionMatcher();
69
70 bool match(const QByteArray &extension) const
71 {
72 return m_extensions.contains(extension);
73 }
74
75 QSet<QByteArray> extensions() const { return m_extensions; }
76
77private:
78 QSet<QByteArray> m_extensions;
79};
80
81class Q_GUI_EXPORT QOpenGLConfig
82{
83public:
84 struct Q_GUI_EXPORT Gpu {
85 Gpu() : vendorId(0), deviceId(0) {}
86 bool isValid() const { return deviceId || !glVendor.isEmpty(); }
87 bool equals(const Gpu &other) const {
88 return vendorId == other.vendorId && deviceId == other.deviceId && driverVersion == other.driverVersion
89 && driverDescription == other.driverDescription && glVendor == other.glVendor;
90 }
91
92 uint vendorId;
93 uint deviceId;
94 QVersionNumber driverVersion;
95 QByteArray driverDescription;
96 QByteArray glVendor;
97
98 static Gpu fromDevice(uint vendorId, uint deviceId, QVersionNumber driverVersion, const QByteArray &driverDescription) {
99 Gpu gpu;
100 gpu.vendorId = vendorId;
101 gpu.deviceId = deviceId;
102 gpu.driverVersion = driverVersion;
103 gpu.driverDescription = driverDescription;
104 return gpu;
105 }
106
107 static Gpu fromGLVendor(const QByteArray &glVendor) {
108 Gpu gpu;
109 gpu.glVendor = glVendor;
110 return gpu;
111 }
112
113 static Gpu fromContext();
114 };
115
116 static QSet<QString> gpuFeatures(const Gpu &gpu,
117 const QString &osName, const QVersionNumber &kernelVersion, const QString &osVersion,
118 const QJsonDocument &doc);
119 static QSet<QString> gpuFeatures(const Gpu &gpu,
120 const QString &osName, const QVersionNumber &kernelVersion, const QString &osVersion,
121 const QString &fileName);
122 static QSet<QString> gpuFeatures(const Gpu &gpu, const QJsonDocument &doc);
123 static QSet<QString> gpuFeatures(const Gpu &gpu, const QString &fileName);
124};
125
126inline bool operator==(const QOpenGLConfig::Gpu &a, const QOpenGLConfig::Gpu &b)
127{
128 return a.equals(b);
129}
130
131inline bool operator!=(const QOpenGLConfig::Gpu &a, const QOpenGLConfig::Gpu &b)
132{
133 return !a.equals(b);
134}
135
136inline size_t qHash(const QOpenGLConfig::Gpu &gpu, size_t seed = 0)
137{
138 return (qHash(gpu.vendorId) + qHash(gpu.deviceId) + qHash(gpu.driverVersion)) ^ seed;
139}
140
141QT_END_NAMESPACE
142
143#endif // QOPENGL_H
144