| 1 | /**************************************************************************** |
|---|---|
| 2 | ** |
| 3 | ** Copyright (C) 2017 Klaralvdalens Datakonsult AB (KDAB). |
| 4 | ** Contact: https://www.qt.io/licensing/ |
| 5 | ** |
| 6 | ** This file is part of the QtGui module of the Qt Toolkit. |
| 7 | ** |
| 8 | ** $QT_BEGIN_LICENSE:LGPL$ |
| 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 https://www.qt.io/terms-conditions. For further |
| 15 | ** information use the contact form at https://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 3 as published by the Free Software |
| 20 | ** Foundation and appearing in the file LICENSE.LGPL3 included in the |
| 21 | ** packaging of this file. Please review the following information to |
| 22 | ** ensure the GNU Lesser General Public License version 3 requirements |
| 23 | ** will be met: https://www.gnu.org/licenses/lgpl-3.0.html. |
| 24 | ** |
| 25 | ** GNU General Public License Usage |
| 26 | ** Alternatively, this file may be used under the terms of the GNU |
| 27 | ** General Public License version 2.0 or (at your option) the GNU General |
| 28 | ** Public license version 3 or any later version approved by the KDE Free |
| 29 | ** Qt Foundation. The licenses are as published by the Free Software |
| 30 | ** Foundation and appearing in the file LICENSE.GPL2 and LICENSE.GPL3 |
| 31 | ** included in the packaging of this file. Please review the following |
| 32 | ** information to ensure the GNU General Public License requirements will |
| 33 | ** be met: https://www.gnu.org/licenses/gpl-2.0.html and |
| 34 | ** https://www.gnu.org/licenses/gpl-3.0.html. |
| 35 | ** |
| 36 | ** $QT_END_LICENSE$ |
| 37 | ** |
| 38 | ****************************************************************************/ |
| 39 | |
| 40 | #include "qshaderformat_p.h" |
| 41 | |
| 42 | QT_BEGIN_NAMESPACE |
| 43 | |
| 44 | QShaderFormat::QShaderFormat() noexcept |
| 45 | : m_api(NoApi) |
| 46 | , m_shaderType(Fragment) |
| 47 | { |
| 48 | } |
| 49 | |
| 50 | QShaderFormat::Api QShaderFormat::api() const noexcept |
| 51 | { |
| 52 | return m_api; |
| 53 | } |
| 54 | |
| 55 | void QShaderFormat::setApi(QShaderFormat::Api api) noexcept |
| 56 | { |
| 57 | m_api = api; |
| 58 | } |
| 59 | |
| 60 | QVersionNumber QShaderFormat::version() const noexcept |
| 61 | { |
| 62 | return m_version; |
| 63 | } |
| 64 | |
| 65 | void QShaderFormat::setVersion(const QVersionNumber &version) noexcept |
| 66 | { |
| 67 | m_version = version; |
| 68 | } |
| 69 | |
| 70 | QStringList QShaderFormat::extensions() const noexcept |
| 71 | { |
| 72 | return m_extensions; |
| 73 | } |
| 74 | |
| 75 | void QShaderFormat::setExtensions(const QStringList &extensions) noexcept |
| 76 | { |
| 77 | m_extensions = extensions; |
| 78 | m_extensions.sort(); |
| 79 | } |
| 80 | |
| 81 | QString QShaderFormat::vendor() const noexcept |
| 82 | { |
| 83 | return m_vendor; |
| 84 | } |
| 85 | |
| 86 | void QShaderFormat::setVendor(const QString &vendor) noexcept |
| 87 | { |
| 88 | m_vendor = vendor; |
| 89 | } |
| 90 | |
| 91 | bool QShaderFormat::isValid() const noexcept |
| 92 | { |
| 93 | return m_api != NoApi && m_version.majorVersion() > 0; |
| 94 | } |
| 95 | |
| 96 | bool 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(m_extensions.constBegin(), |
| 114 | m_extensions.constEnd(), |
| 115 | other.m_extensions.constBegin(), |
| 116 | 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 | |
| 126 | QShaderFormat::ShaderType QShaderFormat::shaderType() const noexcept |
| 127 | { |
| 128 | return m_shaderType; |
| 129 | } |
| 130 | |
| 131 | void QShaderFormat::setShaderType(QShaderFormat::ShaderType shaderType) noexcept |
| 132 | { |
| 133 | m_shaderType = shaderType; |
| 134 | } |
| 135 | |
| 136 | bool 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 | |
| 145 | QT_END_NAMESPACE |
| 146 |