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39
40#include "qshaderformat_p.h"
41
42QT_BEGIN_NAMESPACE
43
44QShaderFormat::QShaderFormat() noexcept
45 : m_api(NoApi)
46 , m_shaderType(Fragment)
47{
48}
49
50QShaderFormat::Api QShaderFormat::api() const noexcept
51{
52 return m_api;
53}
54
55void QShaderFormat::setApi(QShaderFormat::Api api) noexcept
56{
57 m_api = api;
58}
59
60QVersionNumber QShaderFormat::version() const noexcept
61{
62 return m_version;
63}
64
65void QShaderFormat::setVersion(const QVersionNumber &version) noexcept
66{
67 m_version = version;
68}
69
70QStringList QShaderFormat::extensions() const noexcept
71{
72 return m_extensions;
73}
74
75void QShaderFormat::setExtensions(const QStringList &extensions) noexcept
76{
77 m_extensions = extensions;
78 m_extensions.sort();
79}
80
81QString QShaderFormat::vendor() const noexcept
82{
83 return m_vendor;
84}
85
86void QShaderFormat::setVendor(const QString &vendor) noexcept
87{
88 m_vendor = vendor;
89}
90
91bool QShaderFormat::isValid() const noexcept
92{
93 return m_api != NoApi && m_version.majorVersion() > 0;
94}
95
96bool QShaderFormat::supports(const QShaderFormat &other) const noexcept
97{
98 if (!isValid() || !other.isValid())
99 return false;
100
101 if (m_api == OpenGLES && m_api != other.m_api)
102 return false;
103
104 if (m_api == OpenGLCoreProfile && m_api != other.m_api)
105 return false;
106
107 if (m_version < other.m_version)
108 return false;
109
110 if (m_shaderType != other.m_shaderType)
111 return false;
112
113 const auto containsAllExtensionsFromOther = std::includes(first1: m_extensions.constBegin(),
114 last1: m_extensions.constEnd(),
115 first2: other.m_extensions.constBegin(),
116 last2: other.m_extensions.constEnd());
117 if (!containsAllExtensionsFromOther)
118 return false;
119
120 if (!other.m_vendor.isEmpty() && m_vendor != other.m_vendor)
121 return false;
122
123 return true;
124}
125
126QShaderFormat::ShaderType QShaderFormat::shaderType() const Q_DECL_NOTHROW
127{
128 return m_shaderType;
129}
130
131void QShaderFormat::setShaderType(QShaderFormat::ShaderType shaderType) Q_DECL_NOTHROW
132{
133 m_shaderType = shaderType;
134}
135
136bool operator==(const QShaderFormat &lhs, const QShaderFormat &rhs) noexcept
137{
138 return lhs.api() == rhs.api()
139 && lhs.version() == rhs.version()
140 && lhs.extensions() == rhs.extensions()
141 && lhs.vendor() == rhs.vendor()
142 && lhs.shaderType() == rhs.shaderType();
143}
144
145QT_END_NAMESPACE
146

source code of qtbase/src/gui/util/qshaderformat.cpp