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Diffstat (limited to 'src/gui/rhi/qshaderdescription_p.h')
| -rw-r--r-- | src/gui/rhi/qshaderdescription_p.h | 281 |
1 files changed, 281 insertions, 0 deletions
diff --git a/src/gui/rhi/qshaderdescription_p.h b/src/gui/rhi/qshaderdescription_p.h new file mode 100644 index 0000000000..5a63b998cd --- /dev/null +++ b/src/gui/rhi/qshaderdescription_p.h @@ -0,0 +1,281 @@ +/**************************************************************************** +** +** 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 QSHADERDESCRIPTION_H +#define QSHADERDESCRIPTION_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 <QtCore/QString> +#include <QtCore/QVector> +#include <array> + +QT_BEGIN_NAMESPACE + +struct QShaderDescriptionPrivate; + +class Q_GUI_EXPORT QShaderDescription +{ +public: + QShaderDescription(); + QShaderDescription(const QShaderDescription &other); + QShaderDescription &operator=(const QShaderDescription &other); + ~QShaderDescription(); + void detach(); + + bool isValid() const; + + QByteArray toBinaryJson() const; + QByteArray toJson() const; + + static QShaderDescription fromBinaryJson(const QByteArray &data); + + enum VariableType { + Unknown = 0, + + // do not reorder + Float, + Vec2, + Vec3, + Vec4, + Mat2, + Mat2x3, + Mat2x4, + Mat3, + Mat3x2, + Mat3x4, + Mat4, + Mat4x2, + Mat4x3, + + Int, + Int2, + Int3, + Int4, + + Uint, + Uint2, + Uint3, + Uint4, + + Bool, + Bool2, + Bool3, + Bool4, + + Double, + Double2, + Double3, + Double4, + DMat2, + DMat2x3, + DMat2x4, + DMat3, + DMat3x2, + DMat3x4, + DMat4, + DMat4x2, + DMat4x3, + + Sampler1D, + Sampler2D, + Sampler2DMS, + Sampler3D, + SamplerCube, + Sampler1DArray, + Sampler2DArray, + Sampler2DMSArray, + Sampler3DArray, + SamplerCubeArray, + SamplerRect, + SamplerBuffer, + + Image1D, + Image2D, + Image2DMS, + Image3D, + ImageCube, + Image1DArray, + Image2DArray, + Image2DMSArray, + Image3DArray, + ImageCubeArray, + ImageRect, + ImageBuffer, + + Struct + }; + + enum ImageFormat { + // must match SPIR-V's ImageFormat + ImageFormatUnknown = 0, + ImageFormatRgba32f = 1, + ImageFormatRgba16f = 2, + ImageFormatR32f = 3, + ImageFormatRgba8 = 4, + ImageFormatRgba8Snorm = 5, + ImageFormatRg32f = 6, + ImageFormatRg16f = 7, + ImageFormatR11fG11fB10f = 8, + ImageFormatR16f = 9, + ImageFormatRgba16 = 10, + ImageFormatRgb10A2 = 11, + ImageFormatRg16 = 12, + ImageFormatRg8 = 13, + ImageFormatR16 = 14, + ImageFormatR8 = 15, + ImageFormatRgba16Snorm = 16, + ImageFormatRg16Snorm = 17, + ImageFormatRg8Snorm = 18, + ImageFormatR16Snorm = 19, + ImageFormatR8Snorm = 20, + ImageFormatRgba32i = 21, + ImageFormatRgba16i = 22, + ImageFormatRgba8i = 23, + ImageFormatR32i = 24, + ImageFormatRg32i = 25, + ImageFormatRg16i = 26, + ImageFormatRg8i = 27, + ImageFormatR16i = 28, + ImageFormatR8i = 29, + ImageFormatRgba32ui = 30, + ImageFormatRgba16ui = 31, + ImageFormatRgba8ui = 32, + ImageFormatR32ui = 33, + ImageFormatRgb10a2ui = 34, + ImageFormatRg32ui = 35, + ImageFormatRg16ui = 36, + ImageFormatRg8ui = 37, + ImageFormatR16ui = 38, + ImageFormatR8ui = 39 + }; + + enum ImageFlag { + ReadOnlyImage = 1 << 0, + WriteOnlyImage = 1 << 1 + }; + Q_DECLARE_FLAGS(ImageFlags, ImageFlag) + + // Optional data (like decorations) usually default to an otherwise invalid value (-1 or 0). This is intentional. + + struct InOutVariable { + QString name; + VariableType type = Unknown; + int location = -1; + int binding = -1; + int descriptorSet = -1; + ImageFormat imageFormat = ImageFormatUnknown; + ImageFlags imageFlags; + }; + + struct BlockVariable { + QString name; + VariableType type = Unknown; + int offset = 0; + int size = 0; + QVector<int> arrayDims; + int arrayStride = 0; + int matrixStride = 0; + bool matrixIsRowMajor = false; + QVector<BlockVariable> structMembers; + }; + + struct UniformBlock { + QString blockName; + QString structName; // instanceName + int size = 0; + int binding = -1; + int descriptorSet = -1; + QVector<BlockVariable> members; + }; + + struct PushConstantBlock { + QString name; + int size = 0; + QVector<BlockVariable> members; + }; + + struct StorageBlock { + QString blockName; + QString instanceName; + int knownSize = 0; + int binding = -1; + int descriptorSet = -1; + QVector<BlockVariable> members; + }; + + QVector<InOutVariable> inputVariables() const; + QVector<InOutVariable> outputVariables() const; + QVector<UniformBlock> uniformBlocks() const; + QVector<PushConstantBlock> pushConstantBlocks() const; + QVector<StorageBlock> storageBlocks() const; + QVector<InOutVariable> combinedImageSamplers() const; + QVector<InOutVariable> storageImages() const; + + std::array<uint, 3> computeShaderLocalSize() const; + +private: + QShaderDescriptionPrivate *d; + friend struct QShaderDescriptionPrivate; +#ifndef QT_NO_DEBUG_STREAM + friend Q_GUI_EXPORT QDebug operator<<(QDebug, const QShaderDescription &); +#endif +}; + +Q_DECLARE_OPERATORS_FOR_FLAGS(QShaderDescription::ImageFlags) + +#ifndef QT_NO_DEBUG_STREAM +Q_GUI_EXPORT QDebug operator<<(QDebug, const QShaderDescription &); +Q_GUI_EXPORT QDebug operator<<(QDebug, const QShaderDescription::InOutVariable &); +Q_GUI_EXPORT QDebug operator<<(QDebug, const QShaderDescription::BlockVariable &); +Q_GUI_EXPORT QDebug operator<<(QDebug, const QShaderDescription::UniformBlock &); +Q_GUI_EXPORT QDebug operator<<(QDebug, const QShaderDescription::PushConstantBlock &); +Q_GUI_EXPORT QDebug operator<<(QDebug, const QShaderDescription::StorageBlock &); +#endif + +QT_END_NAMESPACE + +#endif |