diff options
Diffstat (limited to 'src/gui/rhi/qshader_p.h')
| -rw-r--r-- | src/gui/rhi/qshader_p.h | 224 |
1 files changed, 224 insertions, 0 deletions
diff --git a/src/gui/rhi/qshader_p.h b/src/gui/rhi/qshader_p.h new file mode 100644 index 0000000000..243842a95a --- /dev/null +++ b/src/gui/rhi/qshader_p.h @@ -0,0 +1,224 @@ +/**************************************************************************** +** +** Copyright (C) 2019 The Qt Company Ltd. +** Contact: http://www.qt.io/licensing/ +** +** This file is part of the Qt Gui module +** +** $QT_BEGIN_LICENSE:LGPL3$ +** Commercial License Usage +** Licensees holding valid commercial Qt licenses may use this file in +** accordance with the commercial license agreement provided with the +** Software or, alternatively, in accordance with the terms contained in +** a written agreement between you and The Qt Company. For licensing terms +** and conditions see http://www.qt.io/terms-conditions. For further +** information use the contact form at http://www.qt.io/contact-us. +** +** GNU Lesser General Public License Usage +** Alternatively, this file may be used under the terms of the GNU Lesser +** General Public License version 3 as published by the Free Software +** Foundation and appearing in the file LICENSE.LGPLv3 included in the +** packaging of this file. Please review the following information to +** ensure the GNU Lesser General Public License version 3 requirements +** will be met: https://www.gnu.org/licenses/lgpl.html. +** +** GNU General Public License Usage +** Alternatively, this file may be used under the terms of the GNU +** General Public License version 2.0 or later as published by the Free +** Software Foundation and appearing in the file LICENSE.GPL included in +** the packaging of this file. Please review the following information to +** ensure the GNU General Public License version 2.0 requirements will be +** met: http://www.gnu.org/licenses/gpl-2.0.html. +** +** $QT_END_LICENSE$ +** +****************************************************************************/ + +#ifndef QSHADER_P_H +#define QSHADER_P_H + +// +// W A R N I N G +// ------------- +// +// This file is not part of the Qt API. It exists for the convenience +// of a number of Qt sources files. This header file may change from +// version to version without notice, or even be removed. +// +// We mean it. +// + +#include <QtGui/qtguiglobal.h> +#include <private/qshaderdescription_p.h> + +QT_BEGIN_NAMESPACE + +struct QShaderPrivate; +class QShaderKey; + +class Q_GUI_EXPORT QShaderVersion +{ +public: + enum Flag { + GlslEs = 0x01 + }; + Q_DECLARE_FLAGS(Flags, Flag) + + QShaderVersion() = default; + QShaderVersion(int v, Flags f = Flags()); + + int version() const { return m_version; } + void setVersion(int v) { m_version = v; } + + Flags flags() const { return m_flags; } + void setFlags(Flags f) { m_flags = f; } + +private: + int m_version = 100; + Flags m_flags; +}; + +Q_DECLARE_OPERATORS_FOR_FLAGS(QShaderVersion::Flags) +Q_DECLARE_TYPEINFO(QShaderVersion, Q_MOVABLE_TYPE); + +class Q_GUI_EXPORT QShaderCode +{ +public: + QShaderCode() = default; + QShaderCode(const QByteArray &code, const QByteArray &entry = QByteArray()); + + QByteArray shader() const { return m_shader; } + void setShader(const QByteArray &code) { m_shader = code; } + + QByteArray entryPoint() const { return m_entryPoint; } + void setEntryPoint(const QByteArray &entry) { m_entryPoint = entry; } + +private: + QByteArray m_shader; + QByteArray m_entryPoint; +}; + +Q_DECLARE_TYPEINFO(QShaderCode, Q_MOVABLE_TYPE); + +class Q_GUI_EXPORT QShader +{ +public: + enum Stage { + VertexStage = 0, + TessellationControlStage, + TessellationEvaluationStage, + GeometryStage, + FragmentStage, + ComputeStage + }; + + enum Source { + SpirvShader = 0, + GlslShader, + HlslShader, + DxbcShader, // fxc + MslShader, + DxilShader, // dxc + MetalLibShader // xcrun metal + xcrun metallib + }; + + enum Variant { + StandardShader = 0, + BatchableVertexShader + }; + + QShader(); + QShader(const QShader &other); + QShader &operator=(const QShader &other); + ~QShader(); + void detach(); + + bool isValid() const; + + Stage stage() const; + void setStage(Stage stage); + + QShaderDescription description() const; + void setDescription(const QShaderDescription &desc); + + QVector<QShaderKey> availableShaders() const; + QShaderCode shader(const QShaderKey &key) const; + void setShader(const QShaderKey &key, const QShaderCode &shader); + void removeShader(const QShaderKey &key); + + QByteArray serialized() const; + static QShader fromSerialized(const QByteArray &data); + +private: + QShaderPrivate *d; + friend struct QShaderPrivate; + friend Q_GUI_EXPORT bool operator==(const QShader &, const QShader &) Q_DECL_NOTHROW; + friend Q_GUI_EXPORT uint qHash(const QShader &, uint) Q_DECL_NOTHROW; +#ifndef QT_NO_DEBUG_STREAM + friend Q_GUI_EXPORT QDebug operator<<(QDebug, const QShader &); +#endif +}; + +class Q_GUI_EXPORT QShaderKey +{ +public: + QShaderKey() = default; + QShaderKey(QShader::Source s, + const QShaderVersion &sver, + QShader::Variant svar = QShader::StandardShader); + + QShader::Source source() const { return m_source; } + void setSource(QShader::Source s) { m_source = s; } + + QShaderVersion sourceVersion() const { return m_sourceVersion; } + void setSourceVersion(const QShaderVersion &sver) { m_sourceVersion = sver; } + + QShader::Variant sourceVariant() const { return m_sourceVariant; } + void setSourceVariant(QShader::Variant svar) { m_sourceVariant = svar; } + +private: + QShader::Source m_source = QShader::SpirvShader; + QShaderVersion m_sourceVersion; + QShader::Variant m_sourceVariant = QShader::StandardShader; +}; + +Q_DECLARE_TYPEINFO(QShaderKey, Q_MOVABLE_TYPE); + +Q_GUI_EXPORT bool operator==(const QShader &lhs, const QShader &rhs) Q_DECL_NOTHROW; +Q_GUI_EXPORT uint qHash(const QShader &s, uint seed = 0) Q_DECL_NOTHROW; + +inline bool operator!=(const QShader &lhs, const QShader &rhs) Q_DECL_NOTHROW +{ + return !(lhs == rhs); +} + +Q_GUI_EXPORT bool operator==(const QShaderVersion &lhs, const QShaderVersion &rhs) Q_DECL_NOTHROW; +Q_GUI_EXPORT bool operator==(const QShaderKey &lhs, const QShaderKey &rhs) Q_DECL_NOTHROW; +Q_GUI_EXPORT bool operator==(const QShaderCode &lhs, const QShaderCode &rhs) Q_DECL_NOTHROW; + +inline bool operator!=(const QShaderVersion &lhs, const QShaderVersion &rhs) Q_DECL_NOTHROW +{ + return !(lhs == rhs); +} + +inline bool operator!=(const QShaderKey &lhs, const QShaderKey &rhs) Q_DECL_NOTHROW +{ + return !(lhs == rhs); +} + +inline bool operator!=(const QShaderCode &lhs, const QShaderCode &rhs) Q_DECL_NOTHROW +{ + return !(lhs == rhs); +} + +Q_GUI_EXPORT uint qHash(const QShaderKey &k, uint seed = 0) Q_DECL_NOTHROW; + +#ifndef QT_NO_DEBUG_STREAM +Q_GUI_EXPORT QDebug operator<<(QDebug, const QShader &); +Q_GUI_EXPORT QDebug operator<<(QDebug dbg, const QShaderKey &k); +Q_GUI_EXPORT QDebug operator<<(QDebug dbg, const QShaderVersion &v); +#endif + +QT_END_NAMESPACE + +#endif |