qopengl.cpp

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1/****************************************************************************-
2**-
3** Copyright (C) 2015 The Qt Company Ltd.-
4** Contact: http://www.qt.io/licensing/-
5**-
6** This file is part of the QtGui module of the Qt Toolkit.-
7**-
8** $QT_BEGIN_LICENSE:LGPL21$-
9** Commercial License Usage-
10** Licensees holding valid commercial Qt licenses may use this file in-
11** accordance with the commercial license agreement provided with the-
12** Software or, alternatively, in accordance with the terms contained in-
13** a written agreement between you and The Qt Company. For licensing terms-
14** and conditions see http://www.qt.io/terms-conditions. For further-
15** information use the contact form at http://www.qt.io/contact-us.-
16**-
17** GNU Lesser General Public License Usage-
18** Alternatively, this file may be used under the terms of the GNU Lesser-
19** General Public License version 2.1 or version 3 as published by the Free-
20** Software Foundation and appearing in the file LICENSE.LGPLv21 and-
21** LICENSE.LGPLv3 included in the packaging of this file. Please review the-
22** following information to ensure the GNU Lesser General Public License-
23** requirements will be met: https://www.gnu.org/licenses/lgpl.html and-
24** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.-
25**-
26** As a special exception, The Qt Company gives you certain additional-
27** rights. These rights are described in The Qt Company LGPL Exception-
28** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.-
29**-
30** $QT_END_LICENSE$-
31**-
32****************************************************************************/-
33-
34#include "qopengl.h"-
35#include "qopengl_p.h"-
36-
37#include "qopenglcontext.h"-
38#include "qopenglfunctions.h"-
39#include "qoffscreensurface.h"-
40-
41#include <QtCore/QDebug>-
42#include <QtCore/QJsonDocument>-
43#include <QtCore/QJsonValue>-
44#include <QtCore/QJsonObject>-
45#include <QtCore/QJsonArray>-
46#include <QtCore/QTextStream>-
47#include <QtCore/QFile>-
48#include <QtCore/QDir>-
49-
50#include <set>-
51-
52QT_BEGIN_NAMESPACE-
53-
54#if defined(QT_OPENGL_3)-
55typedef const GLubyte * (QOPENGLF_APIENTRYP qt_glGetStringi)(GLenum, GLuint);-
56#endif-
57-
58QOpenGLExtensionMatcher::QOpenGLExtensionMatcher()-
59{-
60 QOpenGLContext *ctx = QOpenGLContext::currentContext();-
61 QOpenGLFunctions *funcs = ctx->functions();-
62 const char *extensionStr = 0;-
63-
64 if (ctx->isOpenGLES() || ctx->format().majorVersion() < 3)
ctx->isOpenGLES()Description
TRUEnever evaluated
FALSEnever evaluated
ctx->format()....rVersion() < 3Description
TRUEnever evaluated
FALSEnever evaluated
0
65 extensionStr = reinterpret_cast<const char *>(funcs->glGetString(GL_EXTENSIONS));
never executed: extensionStr = reinterpret_cast<const char *>(funcs->glGetString(0x1F03));
0
66-
67 if (extensionStr) {
extensionStrDescription
TRUEnever evaluated
FALSEnever evaluated
0
68 QByteArray ba(extensionStr);-
69 QList<QByteArray> extensions = ba.split(' ');-
70 m_extensions = extensions.toSet();-
71 } else {
never executed: end of block
0
72#ifdef QT_OPENGL_3-
73 // clear error state-
74 while (funcs->glGetError()) {}
never executed: end of block
funcs->glGetError()Description
TRUEnever evaluated
FALSEnever evaluated
0
75-
76 if (ctx) {
ctxDescription
TRUEnever evaluated
FALSEnever evaluated
0
77 qt_glGetStringi glGetStringi = (qt_glGetStringi)ctx->getProcAddress("glGetStringi");-
78-
79 if (!glGetStringi)
!glGetStringiDescription
TRUEnever evaluated
FALSEnever evaluated
0
80 return;
never executed: return;
0
81-
82 GLint numExtensions = 0;-
83 funcs->glGetIntegerv(GL_NUM_EXTENSIONS, &numExtensions);-
84-
85 for (int i = 0; i < numExtensions; ++i) {
i < numExtensionsDescription
TRUEnever evaluated
FALSEnever evaluated
0
86 const char *str = reinterpret_cast<const char *>(glGetStringi(GL_EXTENSIONS, i));-
87 m_extensions.insert(str);-
88 }
never executed: end of block
0
89 }
never executed: end of block
0
90#endif // QT_OPENGL_3-
91 }
never executed: end of block
0
92}-
93-
94/* Helpers to read out the list of features matching a device from-
95 * a Chromium driver bug list. Note that not all keys are supported and-
96 * some may behave differently: gl_vendor is a substring match instead of regex.-
97 {-
98 "entries": [-
99 {-
100 "id": 20,-
101 "description": "Disable EXT_draw_buffers on GeForce GT 650M on Linux due to driver bugs",-
102 "os": {-
103 "type": "linux"-
104 },-
105 // Optional: "exceptions" list-
106 "vendor_id": "0x10de",-
107 "device_id": ["0x0fd5"],-
108 "multi_gpu_category": "any",-
109 "features": [-
110 "disable_ext_draw_buffers"-
111 ]-
112 },-
113 ....-
114 }-
115*/-
116-
117QDebug operator<<(QDebug d, const QOpenGLConfig::Gpu &g)-
118{-
119 QDebugStateSaver s(d);-
120 d.nospace();-
121 d << "Gpu(";-
122 if (g.isValid()) {
g.isValid()Description
TRUEnever evaluated
FALSEnever evaluated
0
123 d << "vendor=" << hex << showbase <<g.vendorId << ", device=" << g.deviceId-
124 << "version=" << g.driverVersion;-
125 } else {
never executed: end of block
0
126 d << 0;-
127 }
never executed: end of block
0
128 d << ')';-
129 return d;
never executed: return d;
0
130}-
131-
132static
never executed: return ([]() -> QString { enum { Size = sizeof(u"" "value")/2 - 1 }; static const QStaticStringData<Size> qstring_literal = { { { { -1 } }, Size, 0, 0, sizeof(QStringData) }, u"" "value" }; QStringDataPtr holder = { qstring_literal.data_ptr() }; const QString qstring_literal_temp(holder); return qstring_literal_temp; }());
never executed: return qstring_literal_temp;
 inline QString valueKey() { return QStringLiteral("value"); }
never executed: return ([]() -> QString { enum { Size = sizeof(u"" "value")/2 - 1 }; static const QStaticStringData<Size> qstring_literal = { { { { -1 } }, Size, 0, 0, sizeof(QStringData) }, u"" "value" }; QStringDataPtr holder = { qstring_literal.data_ptr() }; const QString qstring_literal_temp(holder); return qstring_literal_temp; }());
never executed: return qstring_literal_temp;
0
133static
never executed: return ([]() -> QString { enum { Size = sizeof(u"" "op")/2 - 1 }; static const QStaticStringData<Size> qstring_literal = { { { { -1 } }, Size, 0, 0, sizeof(QStringData) }, u"" "op" }; QStringDataPtr holder = { qstring_literal.data_ptr() }; const QString qstring_literal_temp(holder); return qstring_literal_temp; }());
never executed: return qstring_literal_temp;
 inline QString opKey() { return QStringLiteral("op"); }
never executed: return ([]() -> QString { enum { Size = sizeof(u"" "op")/2 - 1 }; static const QStaticStringData<Size> qstring_literal = { { { { -1 } }, Size, 0, 0, sizeof(QStringData) }, u"" "op" }; QStringDataPtr holder = { qstring_literal.data_ptr() }; const QString qstring_literal_temp(holder); return qstring_literal_temp; }());
never executed: return qstring_literal_temp;
0
134static
never executed: return ([]() -> QString { enum { Size = sizeof(u"" "version")/2 - 1 }; static const QStaticStringData<Size> qstring_literal = { { { { -1 } }, Size, 0, 0, sizeof(QStringData) }, u"" "version" }; QStringDataPtr holder = { qstring_literal.data_ptr() }; const QString qstring_literal_temp(holder); return qstring_literal_temp; }());
never executed: return qstring_literal_temp;
 inline QString versionKey() { return QStringLiteral("version"); }
never executed: return ([]() -> QString { enum { Size = sizeof(u"" "version")/2 - 1 }; static const QStaticStringData<Size> qstring_literal = { { { { -1 } }, Size, 0, 0, sizeof(QStringData) }, u"" "version" }; QStringDataPtr holder = { qstring_literal.data_ptr() }; const QString qstring_literal_temp(holder); return qstring_literal_temp; }());
never executed: return qstring_literal_temp;
0
135static
never executed: return ([]() -> QString { enum { Size = sizeof(u"" "release")/2 - 1 }; static const QStaticStringData<Size> qstring_literal = { { { { -1 } }, Size, 0, 0, sizeof(QStringData) }, u"" "release" }; QStringDataPtr holder = { qstring_literal.data_ptr() }; const QString qstring_literal_temp(holder); return qstring_literal_temp; }());
never executed: return qstring_literal_temp;
 inline QString releaseKey() { return QStringLiteral("release"); }
never executed: return ([]() -> QString { enum { Size = sizeof(u"" "release")/2 - 1 }; static const QStaticStringData<Size> qstring_literal = { { { { -1 } }, Size, 0, 0, sizeof(QStringData) }, u"" "release" }; QStringDataPtr holder = { qstring_literal.data_ptr() }; const QString qstring_literal_temp(holder); return qstring_literal_temp; }());
never executed: return qstring_literal_temp;
0
136static
never executed: return ([]() -> QString { enum { Size = sizeof(u"" "type")/2 - 1 }; static const QStaticStringData<Size> qstring_literal = { { { { -1 } }, Size, 0, 0, sizeof(QStringData) }, u"" "type" }; QStringDataPtr holder = { qstring_literal.data_ptr() }; const QString qstring_literal_temp(holder); return qstring_literal_temp; }());
never executed: return qstring_literal_temp;
 inline QString typeKey() { return QStringLiteral("type"); }
never executed: return ([]() -> QString { enum { Size = sizeof(u"" "type")/2 - 1 }; static const QStaticStringData<Size> qstring_literal = { { { { -1 } }, Size, 0, 0, sizeof(QStringData) }, u"" "type" }; QStringDataPtr holder = { qstring_literal.data_ptr() }; const QString qstring_literal_temp(holder); return qstring_literal_temp; }());
never executed: return qstring_literal_temp;
0
137static
never executed: return ([]() -> QString { enum { Size = sizeof(u"" "os")/2 - 1 }; static const QStaticStringData<Size> qstring_literal = { { { { -1 } }, Size, 0, 0, sizeof(QStringData) }, u"" "os" }; QStringDataPtr holder = { qstring_literal.data_ptr() }; const QString qstring_literal_temp(holder); return qstring_literal_temp; }());
never executed: return qstring_literal_temp;
 inline QString osKey() { return QStringLiteral("os"); }
never executed: return ([]() -> QString { enum { Size = sizeof(u"" "os")/2 - 1 }; static const QStaticStringData<Size> qstring_literal = { { { { -1 } }, Size, 0, 0, sizeof(QStringData) }, u"" "os" }; QStringDataPtr holder = { qstring_literal.data_ptr() }; const QString qstring_literal_temp(holder); return qstring_literal_temp; }());
never executed: return qstring_literal_temp;
0
138static
never executed: return ([]() -> QString { enum { Size = sizeof(u"" "vendor_id")/2 - 1 }; static const QStaticStringData<Size> qstring_literal = { { { { -1 } }, Size, 0, 0, sizeof(QStringData) }, u"" "vendor_id" }; QStringDataPtr holder = { qstring_literal.data_ptr() }; const QString qstring_literal_temp(holder); return qstring_literal_temp; }());
never executed: return qstring_literal_temp;
 inline QString vendorIdKey() { return QStringLiteral("vendor_id"); }
never executed: return ([]() -> QString { enum { Size = sizeof(u"" "vendor_id")/2 - 1 }; static const QStaticStringData<Size> qstring_literal = { { { { -1 } }, Size, 0, 0, sizeof(QStringData) }, u"" "vendor_id" }; QStringDataPtr holder = { qstring_literal.data_ptr() }; const QString qstring_literal_temp(holder); return qstring_literal_temp; }());
never executed: return qstring_literal_temp;
0
139static
never executed: return ([]() -> QString { enum { Size = sizeof(u"" "gl_vendor")/2 - 1 }; static const QStaticStringData<Size> qstring_literal = { { { { -1 } }, Size, 0, 0, sizeof(QStringData) }, u"" "gl_vendor" }; QStringDataPtr holder = { qstring_literal.data_ptr() }; const QString qstring_literal_temp(holder); return qstring_literal_temp; }());
never executed: return qstring_literal_temp;
 inline QString glVendorKey() { return QStringLiteral("gl_vendor"); }
never executed: return ([]() -> QString { enum { Size = sizeof(u"" "gl_vendor")/2 - 1 }; static const QStaticStringData<Size> qstring_literal = { { { { -1 } }, Size, 0, 0, sizeof(QStringData) }, u"" "gl_vendor" }; QStringDataPtr holder = { qstring_literal.data_ptr() }; const QString qstring_literal_temp(holder); return qstring_literal_temp; }());
never executed: return qstring_literal_temp;
0
140static
never executed: return ([]() -> QString { enum { Size = sizeof(u"" "device_id")/2 - 1 }; static const QStaticStringData<Size> qstring_literal = { { { { -1 } }, Size, 0, 0, sizeof(QStringData) }, u"" "device_id" }; QStringDataPtr holder = { qstring_literal.data_ptr() }; const QString qstring_literal_temp(holder); return qstring_literal_temp; }());
never executed: return qstring_literal_temp;
 inline QString deviceIdKey() { return QStringLiteral("device_id"); }
never executed: return ([]() -> QString { enum { Size = sizeof(u"" "device_id")/2 - 1 }; static const QStaticStringData<Size> qstring_literal = { { { { -1 } }, Size, 0, 0, sizeof(QStringData) }, u"" "device_id" }; QStringDataPtr holder = { qstring_literal.data_ptr() }; const QString qstring_literal_temp(holder); return qstring_literal_temp; }());
never executed: return qstring_literal_temp;
0
141static
never executed: return ([]() -> QString { enum { Size = sizeof(u"" "driver_version")/2 - 1 }; static const QStaticStringData<Size> qstring_literal = { { { { -1 } }, Size, 0, 0, sizeof(QStringData) }, u"" "driver_version" }; QStringDataPtr holder = { qstring_literal.data_ptr() }; const QString qstring_literal_temp(holder); return qstring_literal_temp; }());
never executed: return qstring_literal_temp;
 inline QString driverVersionKey() { return QStringLiteral("driver_version"); }
never executed: return ([]() -> QString { enum { Size = sizeof(u"" "driver_version")/2 - 1 }; static const QStaticStringData<Size> qstring_literal = { { { { -1 } }, Size, 0, 0, sizeof(QStringData) }, u"" "driver_version" }; QStringDataPtr holder = { qstring_literal.data_ptr() }; const QString qstring_literal_temp(holder); return qstring_literal_temp; }());
never executed: return qstring_literal_temp;
0
142static
never executed: return ([]() -> QString { enum { Size = sizeof(u"" "driver_description")/2 - 1 }; static const QStaticStringData<Size> qstring_literal = { { { { -1 } }, Size, 0, 0, sizeof(QStringData) }, u"" "driver_description" }; QStringDataPtr holder = { qstring_literal.data_ptr() }; const QString qstring_literal_temp(holder); return qstring_literal_temp; }());
never executed: return qstring_literal_temp;
 inline QString driverDescriptionKey() { return QStringLiteral("driver_description"); }
never executed: return ([]() -> QString { enum { Size = sizeof(u"" "driver_description")/2 - 1 }; static const QStaticStringData<Size> qstring_literal = { { { { -1 } }, Size, 0, 0, sizeof(QStringData) }, u"" "driver_description" }; QStringDataPtr holder = { qstring_literal.data_ptr() }; const QString qstring_literal_temp(holder); return qstring_literal_temp; }());
never executed: return qstring_literal_temp;
0
143static
never executed: return ([]() -> QString { enum { Size = sizeof(u"" "features")/2 - 1 }; static const QStaticStringData<Size> qstring_literal = { { { { -1 } }, Size, 0, 0, sizeof(QStringData) }, u"" "features" }; QStringDataPtr holder = { qstring_literal.data_ptr() }; const QString qstring_literal_temp(holder); return qstring_literal_temp; }());
never executed: return qstring_literal_temp;
 inline QString featuresKey() { return QStringLiteral("features"); }
never executed: return ([]() -> QString { enum { Size = sizeof(u"" "features")/2 - 1 }; static const QStaticStringData<Size> qstring_literal = { { { { -1 } }, Size, 0, 0, sizeof(QStringData) }, u"" "features" }; QStringDataPtr holder = { qstring_literal.data_ptr() }; const QString qstring_literal_temp(holder); return qstring_literal_temp; }());
never executed: return qstring_literal_temp;
0
144static
never executed: return ([]() -> QString { enum { Size = sizeof(u"" "id")/2 - 1 }; static const QStaticStringData<Size> qstring_literal = { { { { -1 } }, Size, 0, 0, sizeof(QStringData) }, u"" "id" }; QStringDataPtr holder = { qstring_literal.data_ptr() }; const QString qstring_literal_temp(holder); return qstring_literal_temp; }());
never executed: return qstring_literal_temp;
 inline QString idKey() { return QStringLiteral("id"); }
never executed: return ([]() -> QString { enum { Size = sizeof(u"" "id")/2 - 1 }; static const QStaticStringData<Size> qstring_literal = { { { { -1 } }, Size, 0, 0, sizeof(QStringData) }, u"" "id" }; QStringDataPtr holder = { qstring_literal.data_ptr() }; const QString qstring_literal_temp(holder); return qstring_literal_temp; }());
never executed: return qstring_literal_temp;
0
145static
never executed: return ([]() -> QString { enum { Size = sizeof(u"" "description")/2 - 1 }; static const QStaticStringData<Size> qstring_literal = { { { { -1 } }, Size, 0, 0, sizeof(QStringData) }, u"" "description" }; QStringDataPtr holder = { qstring_literal.data_ptr() }; const QString qstring_literal_temp(holder); return qstring_literal_temp; }());
never executed: return qstring_literal_temp;
 inline QString descriptionKey() { return QStringLiteral("description"); }
never executed: return ([]() -> QString { enum { Size = sizeof(u"" "description")/2 - 1 }; static const QStaticStringData<Size> qstring_literal = { { { { -1 } }, Size, 0, 0, sizeof(QStringData) }, u"" "description" }; QStringDataPtr holder = { qstring_literal.data_ptr() }; const QString qstring_literal_temp(holder); return qstring_literal_temp; }());
never executed: return qstring_literal_temp;
0
146static
never executed: return ([]() -> QString { enum { Size = sizeof(u"" "exceptions")/2 - 1 }; static const QStaticStringData<Size> qstring_literal = { { { { -1 } }, Size, 0, 0, sizeof(QStringData) }, u"" "exceptions" }; QStringDataPtr holder = { qstring_literal.data_ptr() }; const QString qstring_literal_temp(holder); return qstring_literal_temp; }());
never executed: return qstring_literal_temp;
 inline QString exceptionsKey() { return QStringLiteral("exceptions"); }
never executed: return ([]() -> QString { enum { Size = sizeof(u"" "exceptions")/2 - 1 }; static const QStaticStringData<Size> qstring_literal = { { { { -1 } }, Size, 0, 0, sizeof(QStringData) }, u"" "exceptions" }; QStringDataPtr holder = { qstring_literal.data_ptr() }; const QString qstring_literal_temp(holder); return qstring_literal_temp; }());
never executed: return qstring_literal_temp;
0
147-
148typedef QJsonArray::ConstIterator JsonArrayConstIt;-
149-
150static inline bool contains(const QJsonArray &haystack, unsigned needle)-
151{-
152 for (JsonArrayConstIt it = haystack.constBegin(), cend = haystack.constEnd(); it != cend; ++it) {
it != cendDescription
TRUEnever evaluated
FALSEnever evaluated
0
153 if (needle == it->toString().toUInt(Q_NULLPTR, /* base */ 0))
needle == it->...nt(nullptr, 0)Description
TRUEnever evaluated
FALSEnever evaluated
0
154 return true;
never executed: return true;
0
155 }
never executed: end of block
0
156 return false;
never executed: return false;
0
157}-
158-
159static inline bool contains(const QJsonArray &haystack, const QString &needle)-
160{-
161 for (JsonArrayConstIt it = haystack.constBegin(), cend = haystack.constEnd(); it != cend; ++it) {
it != cendDescription
TRUEnever evaluated
FALSEnever evaluated
0
162 if (needle == it->toString())
needle == it->toString()Description
TRUEnever evaluated
FALSEnever evaluated
0
163 return true;
never executed: return true;
0
164 }
never executed: end of block
0
165 return false;
never executed: return false;
0
166}-
167-
168namespace {-
169enum Operator { NotEqual, LessThan, LessEqualThan, Equals, GreaterThan, GreaterEqualThan };-
170static const char operators[][3] = {"!=", "<", "<=", "=", ">", ">="};-
171-
172// VersionTerm describing a version term consisting of number and operator-
173// found in os.version and driver_version.-
174struct VersionTerm {-
175 VersionTerm() : op(NotEqual) {}
never executed: end of block
0
176 static VersionTerm fromJson(const QJsonValue &v);-
177 bool isNull() const { return number.isNull(); }
never executed: return number.isNull();
0
178 bool matches(const QVersionNumber &other) const;-
179-
180 QVersionNumber number;-
181 Operator op;-
182};-
183-
184bool VersionTerm::matches(const QVersionNumber &other) const-
185{-
186 if (isNull() || other.isNull()) {
isNull()Description
TRUEnever evaluated
FALSEnever evaluated
other.isNull()Description
TRUEnever evaluated
FALSEnever evaluated
0
187 qWarning("called with invalid parameters");-
188 return false;
never executed: return false;
0
189 }-
190 switch (op) {-
191 case NotEqual:
never executed: case NotEqual:
0
192 return other != number;
never executed: return other != number;
0
193 case LessThan:
never executed: case LessThan:
0
194 return other < number;
never executed: return other < number;
0
195 case LessEqualThan:
never executed: case LessEqualThan:
0
196 return other <= number;
never executed: return other <= number;
0
197 case Equals:
never executed: case Equals:
0
198 return other == number;
never executed: return other == number;
0
199 case GreaterThan:
never executed: case GreaterThan:
0
200 return other > number;
never executed: return other > number;
0
201 case GreaterEqualThan:
never executed: case GreaterEqualThan:
0
202 return other >= number;
never executed: return other >= number;
0
203 }-
204 return false;
never executed: return false;
0
205}-
206-
207VersionTerm VersionTerm::fromJson(const QJsonValue &v)-
208{-
209 VersionTerm result;-
210 if (!v.isObject())
!v.isObject()Description
TRUEnever evaluated
FALSEnever evaluated
0
211 return result;
never executed: return result;
0
212 const QJsonObject o = v.toObject();-
213 result.number = QVersionNumber::fromString(o.value(valueKey()).toString());-
214 const QString opS = o.value(opKey()).toString();-
215 for (size_t i = 0; i < sizeof(operators) / sizeof(operators[0]); ++i) {
i < sizeof(ope...(operators[0])Description
TRUEnever evaluated
FALSEnever evaluated
0
216 if (opS == QLatin1String(operators[i])) {
opS == QLatin1...(operators[i])Description
TRUEnever evaluated
FALSEnever evaluated
0
217 result.op = static_cast<Operator>(i);-
218 break;
never executed: break;
0
219 }-
220 }
never executed: end of block
0
221 return result;
never executed: return result;
0
222}-
223-
224// OS term consisting of name and optional version found in-
225// under "os" in main array and in "exceptions" lists.-
226struct OsTypeTerm-
227{-
228 static OsTypeTerm fromJson(const QJsonValue &v);-
229 static QString hostOs();-
230 static QVersionNumber hostKernelVersion() { return QVersionNumber::fromString(QSysInfo::kernelVersion()); }
never executed: return QVersionNumber::fromString(QSysInfo::kernelVersion());
0
231 static QString hostOsRelease() {-
232 QString ver;-
233#ifdef Q_OS_WIN-
234 switch (QSysInfo::windowsVersion()) {-
235 case QSysInfo::WV_XP:-
236 case QSysInfo::WV_2003:-
237 ver = QStringLiteral("xp");-
238 break;-
239 case QSysInfo::WV_VISTA:-
240 ver = QStringLiteral("vista");-
241 break;-
242 case QSysInfo::WV_WINDOWS7:-
243 ver = QStringLiteral("7");-
244 break;-
245 case QSysInfo::WV_WINDOWS8:-
246 ver = QStringLiteral("8");-
247 break;-
248 case QSysInfo::WV_WINDOWS8_1:-
249 ver = QStringLiteral("8.1");-
250 break;-
251 case QSysInfo::WV_WINDOWS10:-
252 ver = QStringLiteral("10");-
253 break;-
254 default:-
255 break;-
256 }-
257#endif-
258 return ver;
never executed: return ver;
0
259 }-
260-
261 bool isNull() const { return type.isEmpty(); }
never executed: return type.isEmpty();
0
262 bool matches(const QString &osName, const QVersionNumber &kernelVersion, const QString &osRelease) const-
263 {-
264 if (isNull() || osName.isEmpty() || kernelVersion.isNull()) {
isNull()Description
TRUEnever evaluated
FALSEnever evaluated
osName.isEmpty()Description
TRUEnever evaluated
FALSEnever evaluated
kernelVersion.isNull()Description
TRUEnever evaluated
FALSEnever evaluated
0
265 qWarning("called with invalid parameters");-
266 return false;
never executed: return false;
0
267 }-
268 if (type != osName)
type != osNameDescription
TRUEnever evaluated
FALSEnever evaluated
0
269 return false;
never executed: return false;
0
270 if (!versionTerm.isNull() && !versionTerm.matches(kernelVersion))
!versionTerm.isNull()Description
TRUEnever evaluated
FALSEnever evaluated
!versionTerm.m...kernelVersion)Description
TRUEnever evaluated
FALSEnever evaluated
0
271 return false;
never executed: return false;
0
272 // release is a list of Windows versions where the rule should match-
273 if (!release.isEmpty() && !contains(release, osRelease))
!release.isEmpty()Description
TRUEnever evaluated
FALSEnever evaluated
!contains(release, osRelease)Description
TRUEnever evaluated
FALSEnever evaluated
0
274 return false;
never executed: return false;
0
275 return true;
never executed: return true;
0
276 }-
277-
278 QString type;-
279 VersionTerm versionTerm;-
280 QJsonArray release;-
281};-
282-
283OsTypeTerm OsTypeTerm::fromJson(const QJsonValue &v)-
284{-
285 OsTypeTerm result;-
286 if (!v.isObject())
!v.isObject()Description
TRUEnever evaluated
FALSEnever evaluated
0
287 return result;
never executed: return result;
0
288 const QJsonObject o = v.toObject();-
289 result.type = o.value(typeKey()).toString();-
290 result.versionTerm = VersionTerm::fromJson(o.value(versionKey()));-
291 result.release = o.value(releaseKey()).toArray();-
292 return result;
never executed: return result;
0
293}-
294-
295QString OsTypeTerm::hostOs()-
296{-
297 // Determine Host OS.-
298#if defined(Q_OS_WIN)-
299 return QStringLiteral("win");-
300#elif defined(Q_OS_LINUX)-
301 return QStringLiteral("linux");
never executed: return ([]() -> QString { enum { Size = sizeof(u"" "linux")/2 - 1 }; static const QStaticStringData<Size> qstring_literal = { { { { -1 } }, Size, 0, 0, sizeof(QStringData) }, u"" "linux" }; QStringDataPtr holder = { qstring_literal.data_ptr() }; const QString qstring_literal_temp(holder); return qstring_literal_temp; }());
never executed: return qstring_literal_temp;
0
302#elif defined(Q_OS_OSX)-
303 return QStringLiteral("macosx");-
304#elif defined(Q_OS_ANDROID)-
305 return QStringLiteral("android");-
306#else-
307 return QString();-
308#endif-
309}-
310} // anonymous namespace-
311-
312static QString msgSyntaxWarning(const QJsonObject &object, const QString &what)-
313{-
314 QString result;-
315 QTextStream(&result) << "Id " << object.value(idKey()).toInt()-
316 << " (\"" << object.value(descriptionKey()).toString()-
317 << "\"): " << what;-
318 return result;
never executed: return result;
0
319}-
320-
321// Check whether an entry matches. Called recursively for-
322// "exceptions" list.-
323-
324static bool matches(const QJsonObject &object,-
325 const QString &osName,-
326 const QVersionNumber &kernelVersion,-
327 const QString &osRelease,-
328 const QOpenGLConfig::Gpu &gpu)-
329{-
330 const OsTypeTerm os = OsTypeTerm::fromJson(object.value(osKey()));-
331 if (!os.isNull() && !os.matches(osName, kernelVersion, osRelease))
!os.isNull()Description
TRUEnever evaluated
FALSEnever evaluated
!os.matches(os...on, osRelease)Description
TRUEnever evaluated
FALSEnever evaluated
0
332 return false;
never executed: return false;
0
333-
334 const QJsonValue exceptionsV = object.value(exceptionsKey());-
335 if (exceptionsV.isArray()) {
exceptionsV.isArray()Description
TRUEnever evaluated
FALSEnever evaluated
0
336 const QJsonArray exceptionsA = exceptionsV.toArray();-
337 for (JsonArrayConstIt it = exceptionsA.constBegin(), cend = exceptionsA.constEnd(); it != cend; ++it) {
it != cendDescription
TRUEnever evaluated
FALSEnever evaluated
0
338 if (matches(it->toObject(), osName, kernelVersion, osRelease, gpu))
matches(it->to...sRelease, gpu)Description
TRUEnever evaluated
FALSEnever evaluated
0
339 return false;
never executed: return false;
0
340 }
never executed: end of block
0
341 }
never executed: end of block
0
342-
343 const QJsonValue vendorV = object.value(vendorIdKey());-
344 if (vendorV.isString()) {
vendorV.isString()Description
TRUEnever evaluated
FALSEnever evaluated
0
345 if (gpu.vendorId != vendorV.toString().toUInt(Q_NULLPTR, /* base */ 0))
gpu.vendorId !...nt(nullptr, 0)Description
TRUEnever evaluated
FALSEnever evaluated
0
346 return false;
never executed: return false;
0
347 } else {
never executed: end of block
0
348 if (object.contains(glVendorKey())) {
object.contains(glVendorKey())Description
TRUEnever evaluated
FALSEnever evaluated
0
349 const QByteArray glVendorV = object.value(glVendorKey()).toString().toUtf8();-
350 if (!gpu.glVendor.contains(glVendorV))
!gpu.glVendor....ins(glVendorV)Description
TRUEnever evaluated
FALSEnever evaluated
0
351 return false;
never executed: return false;
0
352 }
never executed: end of block
0
353 }
never executed: end of block
0
354-
355 if (gpu.deviceId) {
gpu.deviceIdDescription
TRUEnever evaluated
FALSEnever evaluated
0
356 const QJsonValue deviceIdV = object.value(deviceIdKey());-
357 switch (deviceIdV.type()) {-
358 case QJsonValue::Array:
never executed: case QJsonValue::Array:
0
359 if (!contains(deviceIdV.toArray(), gpu.deviceId))
!contains(devi... gpu.deviceId)Description
TRUEnever evaluated
FALSEnever evaluated
0
360 return false;
never executed: return false;
0
361 break;
never executed: break;
0
362 case QJsonValue::Undefined:
never executed: case QJsonValue::Undefined:
0
363 case QJsonValue::Null:
never executed: case QJsonValue::Null:
0
364 break;
never executed: break;
0
365 default:
never executed: default:
0
366 qWarning().noquote()-
367 << msgSyntaxWarning(object,-
368 QLatin1String("Device ID must be of type array."));-
369 }
never executed: end of block
0
370 }-
371 if (!gpu.driverVersion.isNull()) {
!gpu.driverVersion.isNull()Description
TRUEnever evaluated
FALSEnever evaluated
0
372 const QJsonValue driverVersionV = object.value(driverVersionKey());-
373 switch (driverVersionV.type()) {-
374 case QJsonValue::Object:
never executed: case QJsonValue::Object:
0
375 if (!VersionTerm::fromJson(driverVersionV).matches(gpu.driverVersion))
!VersionTerm::...driverVersion)Description
TRUEnever evaluated
FALSEnever evaluated
0
376 return false;
never executed: return false;
0
377 break;
never executed: break;
0
378 case QJsonValue::Undefined:
never executed: case QJsonValue::Undefined:
0
379 case QJsonValue::Null:
never executed: case QJsonValue::Null:
0
380 break;
never executed: break;
0
381 default:
never executed: default:
0
382 qWarning().noquote()-
383 << msgSyntaxWarning(object,-
384 QLatin1String("Driver version must be of type object."));-
385 }
never executed: end of block
0
386 }-
387-
388 if (!gpu.driverDescription.isEmpty()) {
!gpu.driverDes...tion.isEmpty()Description
TRUEnever evaluated
FALSEnever evaluated
0
389 const QJsonValue driverDescriptionV = object.value(driverDescriptionKey());-
390 if (driverDescriptionV.isString()) {
driverDescriptionV.isString()Description
TRUEnever evaluated
FALSEnever evaluated
0
391 if (!gpu.driverDescription.contains(driverDescriptionV.toString().toUtf8()))
!gpu.driverDes...ng().toUtf8())Description
TRUEnever evaluated
FALSEnever evaluated
0
392 return false;
never executed: return false;
0
393 }
never executed: end of block
0
394 }
never executed: end of block
0
395-
396 return true;
never executed: return true;
0
397}-
398-
399static bool readGpuFeatures(const QOpenGLConfig::Gpu &gpu,-
400 const QString &osName,-
401 const QVersionNumber &kernelVersion,-
402 const QString &osRelease,-
403 const QJsonDocument &doc,-
404 QSet<QString> *result,-
405 QString *errorMessage)-
406{-
407 result->clear();-
408 errorMessage->clear();-
409 const QJsonValue entriesV = doc.object().value(QStringLiteral("entries"));
never executed: return qstring_literal_temp;
0
410 if (!entriesV.isArray()) {
!entriesV.isArray()Description
TRUEnever evaluated
FALSEnever evaluated
0
411 *errorMessage = QLatin1String("No entries read.");-
412 return false;
never executed: return false;
0
413 }-
414-
415 const QJsonArray entriesA = entriesV.toArray();-
416 for (JsonArrayConstIt eit = entriesA.constBegin(), ecend = entriesA.constEnd(); eit != ecend; ++eit) {
eit != ecendDescription
TRUEnever evaluated
FALSEnever evaluated
0
417 if (eit->isObject()) {
eit->isObject()Description
TRUEnever evaluated
FALSEnever evaluated
0
418 const QJsonObject object = eit->toObject();-
419 if (matches(object, osName, kernelVersion, osRelease, gpu)) {
matches(object...sRelease, gpu)Description
TRUEnever evaluated
FALSEnever evaluated
0
420 const QJsonValue featuresListV = object.value(featuresKey());-
421 if (featuresListV.isArray()) {
featuresListV.isArray()Description
TRUEnever evaluated
FALSEnever evaluated
0
422 const QJsonArray featuresListA = featuresListV.toArray();-
423 for (JsonArrayConstIt fit = featuresListA.constBegin(), fcend = featuresListA.constEnd(); fit != fcend; ++fit)
fit != fcendDescription
TRUEnever evaluated
FALSEnever evaluated
0
424 result->insert(fit->toString());
never executed: result->insert(fit->toString());
0
425 }
never executed: end of block
0
426 }
never executed: end of block
0
427 }
never executed: end of block
0
428 }
never executed: end of block
0
429 return true;
never executed: return true;
0
430}-
431-
432static bool readGpuFeatures(const QOpenGLConfig::Gpu &gpu,-
433 const QString &osName,-
434 const QVersionNumber &kernelVersion,-
435 const QString &osRelease,-
436 const QByteArray &jsonAsciiData,-
437 QSet<QString> *result, QString *errorMessage)-
438{-
439 result->clear();-
440 errorMessage->clear();-
441 QJsonParseError error;-
442 const QJsonDocument document = QJsonDocument::fromJson(jsonAsciiData, &error);-
443 if (document.isNull()) {
document.isNull()Description
TRUEnever evaluated
FALSEnever evaluated
0
444 const int lineNumber = 1 + jsonAsciiData.left(error.offset).count('\n');-
445 QTextStream str(errorMessage);-
446 str << "Failed to parse data: \"" << error.errorString()-
447 << "\" at line " << lineNumber << " (offset: "-
448 << error.offset << ").";-
449 return false;
never executed: return false;
0
450 }-
451 return readGpuFeatures(gpu, osName, kernelVersion, osRelease, document, result, errorMessage);
never executed: return readGpuFeatures(gpu, osName, kernelVersion, osRelease, document, result, errorMessage);
0
452}-
453-
454static bool readGpuFeatures(const QOpenGLConfig::Gpu &gpu,-
455 const QString &osName,-
456 const QVersionNumber &kernelVersion,-
457 const QString &osRelease,-
458 const QString &fileName,-
459 QSet<QString> *result, QString *errorMessage)-
460{-
461 result->clear();-
462 errorMessage->clear();-
463 QFile file(fileName);-
464 if (!file.open(QIODevice::ReadOnly)) {
!file.open(QIO...ice::ReadOnly)Description
TRUEnever evaluated
FALSEnever evaluated
0
465 QTextStream str(errorMessage);-
466 str << "Cannot open \"" << QDir::toNativeSeparators(fileName) << "\": "-
467 << file.errorString();-
468 return false;
never executed: return false;
0
469 }-
470 const bool success = readGpuFeatures(gpu, osName, kernelVersion, osRelease, file.readAll(), result, errorMessage);-
471 if (!success) {
!successDescription
TRUEnever evaluated
FALSEnever evaluated
0
472 errorMessage->prepend(QLatin1String("Error reading \"")-
473 + QDir::toNativeSeparators(fileName)-
474 + QLatin1String("\": "));-
475 }
never executed: end of block
0
476 return success;
never executed: return success;
0
477}-
478-
479QSet<QString> QOpenGLConfig::gpuFeatures(const QOpenGLConfig::Gpu &gpu,-
480 const QString &osName,-
481 const QVersionNumber &kernelVersion,-
482 const QString &osRelease,-
483 const QJsonDocument &doc)-
484{-
485 QSet<QString> result;-
486 QString errorMessage;-
487 if (!readGpuFeatures(gpu, osName, kernelVersion, osRelease, doc, &result, &errorMessage))
!readGpuFeatur...&errorMessage)Description
TRUEnever evaluated
FALSEnever evaluated
0
488 qWarning().noquote() << errorMessage;
never executed: QMessageLogger(__FILE__, 488, __PRETTY_FUNCTION__).warning().noquote() << errorMessage;
0
489 return result;
never executed: return result;
0
490}-
491-
492QSet<QString> QOpenGLConfig::gpuFeatures(const QOpenGLConfig::Gpu &gpu,-
493 const QString &osName,-
494 const QVersionNumber &kernelVersion,-
495 const QString &osRelease,-
496 const QString &fileName)-
497{-
498 QSet<QString> result;-
499 QString errorMessage;-
500 if (!readGpuFeatures(gpu, osName, kernelVersion, osRelease, fileName, &result, &errorMessage))
!readGpuFeatur...&errorMessage)Description
TRUEnever evaluated
FALSEnever evaluated
0
501 qWarning().noquote() << errorMessage;
never executed: QMessageLogger(__FILE__, 501, __PRETTY_FUNCTION__).warning().noquote() << errorMessage;
0
502 return result;
never executed: return result;
0
503}-
504-
505QSet<QString> QOpenGLConfig::gpuFeatures(const Gpu &gpu, const QJsonDocument &doc)-
506{-
507 return gpuFeatures(gpu, OsTypeTerm::hostOs(), OsTypeTerm::hostKernelVersion(), OsTypeTerm::hostOsRelease(), doc);
never executed: return gpuFeatures(gpu, OsTypeTerm::hostOs(), OsTypeTerm::hostKernelVersion(), OsTypeTerm::hostOsRelease(), doc);
0
508}-
509-
510QSet<QString> QOpenGLConfig::gpuFeatures(const Gpu &gpu, const QString &fileName)-
511{-
512 return gpuFeatures(gpu, OsTypeTerm::hostOs(), OsTypeTerm::hostKernelVersion(), OsTypeTerm::hostOsRelease(), fileName);
never executed: return gpuFeatures(gpu, OsTypeTerm::hostOs(), OsTypeTerm::hostKernelVersion(), OsTypeTerm::hostOsRelease(), fileName);
0
513}-
514-
515QOpenGLConfig::Gpu QOpenGLConfig::Gpu::fromContext()-
516{-
517 QOpenGLContext *ctx = QOpenGLContext::currentContext();-
518 QScopedPointer<QOpenGLContext> tmpContext;-
519 QScopedPointer<QOffscreenSurface> tmpSurface;-
520 if (!ctx) {
!ctxDescription
TRUEnever evaluated
FALSEnever evaluated
0
521 tmpContext.reset(new QOpenGLContext);-
522 if (!tmpContext->create()) {
!tmpContext->create()Description
TRUEnever evaluated
FALSEnever evaluated
0
523 qWarning("QOpenGLConfig::Gpu::fromContext: Failed to create temporary context");-
524 return QOpenGLConfig::Gpu();
never executed: return QOpenGLConfig::Gpu();
0
525 }-
526 tmpSurface.reset(new QOffscreenSurface);-
527 tmpSurface->setFormat(tmpContext->format());-
528 tmpSurface->create();-
529 tmpContext->makeCurrent(tmpSurface.data());-
530 }
never executed: end of block
0
531-
532 QOpenGLConfig::Gpu gpu;-
533 ctx = QOpenGLContext::currentContext();-
534 const GLubyte *p = ctx->functions()->glGetString(GL_VENDOR);-
535 if (p)
pDescription
TRUEnever evaluated
FALSEnever evaluated
0
536 gpu.glVendor = QByteArray(reinterpret_cast<const char *>(p));
never executed: gpu.glVendor = QByteArray(reinterpret_cast<const char *>(p));
0
537-
538 return gpu;
never executed: return gpu;
0
539}-
540-
541Q_GUI_EXPORT std::set<QByteArray> *qgpu_features(const QString &filename)-
542{-
543 const QSet<QString> features = QOpenGLConfig::gpuFeatures(QOpenGLConfig::Gpu::fromContext(), filename);-
544 std::set<QByteArray> *result = new std::set<QByteArray>;-
545 foreach (const QString &feature, features)-
546 result->insert(feature.toUtf8());
never executed: result->insert(feature.toUtf8());
0
547 return result;
never executed: return result;
0
548}-
549-
550QT_END_NAMESPACE-
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