qshaderdescription.cpp

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// Copyright (C) 2023 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only
 
#include "qshaderdescription_p.h"
#include "qshader_p.h"
#include <QDebug>
#include <QDataStream>
#include <QJsonObject>
#include <QJsonArray>
 
QT_BEGIN_NAMESPACE
 
QShaderDescription::QShaderDescription()
    : d(new QShaderDescriptionPrivate)
{
}
 
void QShaderDescription::detach()
{
    qAtomicDetach(d);
}
 
QShaderDescription::QShaderDescription(const QShaderDescription &other)
    : d(other.d)
{
    d->ref.ref();
}
 
QShaderDescription &QShaderDescription::operator=(const QShaderDescription &other)
{
    qAtomicAssign(d, other.d);
    return *this;
}
 
QShaderDescription::~QShaderDescription()
{
    if (!d->ref.deref())
        delete d;
}
 
bool QShaderDescription::isValid() const
{
    return !d->inVars.isEmpty() || !d->outVars.isEmpty()
        || !d->uniformBlocks.isEmpty() || !d->pushConstantBlocks.isEmpty() || !d->storageBlocks.isEmpty()
        || !d->combinedImageSamplers.isEmpty() || !d->storageImages.isEmpty()
        || !d->separateImages.isEmpty() || !d->separateSamplers.isEmpty()
        || !d->inBuiltins.isEmpty() || !d->outBuiltins.isEmpty();
}
 
QByteArray QShaderDescription::toJson() const
{
    return d->makeDoc().toJson();
}
 
void QShaderDescription::serialize(QDataStream *stream, int version) const
{
    d->writeToStream(stream, version);
}
 
QShaderDescription QShaderDescription::deserialize(QDataStream *stream, int version)
{
    QShaderDescription desc;
    QShaderDescriptionPrivate::get(&desc)->loadFromStream(stream, version);
    return desc;
}
 
QList<QShaderDescription::InOutVariable> QShaderDescription::inputVariables() const
{
    return d->inVars;
}
 
QList<QShaderDescription::InOutVariable> QShaderDescription::outputVariables() const
{
    return d->outVars;
}
 
QList<QShaderDescription::UniformBlock> QShaderDescription::uniformBlocks() const
{
    return d->uniformBlocks;
}
 
QList<QShaderDescription::PushConstantBlock> QShaderDescription::pushConstantBlocks() const
{
    return d->pushConstantBlocks;
}
 
QList<QShaderDescription::StorageBlock> QShaderDescription::storageBlocks() const
{
    return d->storageBlocks;
}
 
QList<QShaderDescription::InOutVariable> QShaderDescription::combinedImageSamplers() const
{
    return d->combinedImageSamplers;
}
 
QList<QShaderDescription::InOutVariable> QShaderDescription::separateImages() const
{
    return d->separateImages;
}
 
QList<QShaderDescription::InOutVariable> QShaderDescription::separateSamplers() const
{
    return d->separateSamplers;
}
 
QList<QShaderDescription::InOutVariable> QShaderDescription::storageImages() const
{
    return d->storageImages;
}
 
QVector<QShaderDescription::BuiltinVariable> QShaderDescription::inputBuiltinVariables() const
{
    return d->inBuiltins;
}
 
QVector<QShaderDescription::BuiltinVariable> QShaderDescription::outputBuiltinVariables() const
{
    return d->outBuiltins;
}
 
std::array<uint, 3> QShaderDescription::computeShaderLocalSize() const
{
    return d->localSize;
}
 
uint QShaderDescription::tessellationOutputVertexCount() const
{
    return d->tessOutVertCount;
}
 
QShaderDescription::TessellationMode QShaderDescription::tessellationMode() const
{
    return d->tessMode;
}
 
QShaderDescription::TessellationWindingOrder QShaderDescription::tessellationWindingOrder() const
{
    return d->tessWind;
}
 
QShaderDescription::TessellationPartitioning QShaderDescription::tessellationPartitioning() const
{
    return d->tessPart;
}
 
static const struct TypeTab {
    const char k[20];
    QShaderDescription::VariableType v;
} typeTab[] = {
    { "float", QShaderDescription::Float },
    { "vec2", QShaderDescription::Vec2 },
    { "vec3", QShaderDescription::Vec3 },
    { "vec4", QShaderDescription::Vec4 },
    { "mat2", QShaderDescription::Mat2 },
    { "mat3", QShaderDescription::Mat3 },
    { "mat4", QShaderDescription::Mat4 },
 
    { "struct", QShaderDescription::Struct },
 
    { "sampler1D", QShaderDescription::Sampler1D },
    { "sampler2D", QShaderDescription::Sampler2D },
    { "sampler2DMS", QShaderDescription::Sampler2DMS },
    { "sampler3D", QShaderDescription::Sampler3D },
    { "samplerCube", QShaderDescription::SamplerCube },
    { "sampler1DArray", QShaderDescription::Sampler1DArray },
    { "sampler2DArray", QShaderDescription::Sampler2DArray },
    { "sampler2DMSArray", QShaderDescription::Sampler2DMSArray },
    { "sampler3DArray", QShaderDescription::Sampler3DArray },
    { "samplerCubeArray", QShaderDescription::SamplerCubeArray },
    { "samplerRect", QShaderDescription::SamplerRect },
    { "samplerBuffer", QShaderDescription::SamplerBuffer },
    { "samplerExternalOES", QShaderDescription::SamplerExternalOES },
    { "sampler", QShaderDescription::Sampler },
 
    { "mat2x3", QShaderDescription::Mat2x3 },
    { "mat2x4", QShaderDescription::Mat2x4 },
    { "mat3x2", QShaderDescription::Mat3x2 },
    { "mat3x4", QShaderDescription::Mat3x4 },
    { "mat4x2", QShaderDescription::Mat4x2 },
    { "mat4x3", QShaderDescription::Mat4x3 },
 
    { "int", QShaderDescription::Int },
    { "ivec2", QShaderDescription::Int2 },
    { "ivec3", QShaderDescription::Int3 },
    { "ivec4", QShaderDescription::Int4 },
 
    { "uint", QShaderDescription::Uint },
    { "uvec2", QShaderDescription::Uint2 },
    { "uvec3", QShaderDescription::Uint3 },
    { "uvec4", QShaderDescription::Uint4 },
 
    { "bool", QShaderDescription::Bool },
    { "bvec2", QShaderDescription::Bool2 },
    { "bvec3", QShaderDescription::Bool3 },
    { "bvec4", QShaderDescription::Bool4 },
 
    { "double", QShaderDescription::Double },
    { "dvec2", QShaderDescription::Double2 },
    { "dvec3", QShaderDescription::Double3 },
    { "dvec4", QShaderDescription::Double4 },
    { "dmat2", QShaderDescription::DMat2 },
    { "dmat3", QShaderDescription::DMat3 },
    { "dmat4", QShaderDescription::DMat4 },
    { "dmat2x3", QShaderDescription::DMat2x3 },
    { "dmat2x4", QShaderDescription::DMat2x4 },
    { "dmat3x2", QShaderDescription::DMat3x2 },
    { "dmat3x4", QShaderDescription::DMat3x4 },
    { "dmat4x2", QShaderDescription::DMat4x2 },
    { "dmat4x3", QShaderDescription::DMat4x3 },
 
    { "image1D", QShaderDescription::Image1D },
    { "image2D", QShaderDescription::Image2D },
    { "image2DMS", QShaderDescription::Image2DMS },
    { "image3D", QShaderDescription::Image3D },
    { "imageCube", QShaderDescription::ImageCube },
    { "image1DArray", QShaderDescription::Image1DArray },
    { "image2DArray", QShaderDescription::Image2DArray },
    { "image2DMSArray", QShaderDescription::Image2DMSArray },
    { "image3DArray", QShaderDescription::Image3DArray },
    { "imageCubeArray", QShaderDescription::ImageCubeArray },
    { "imageRect", QShaderDescription::ImageRect },
    { "imageBuffer", QShaderDescription::ImageBuffer },
 
    { "half", QShaderDescription::Half },
    { "half2", QShaderDescription::Half2 },
    { "half3", QShaderDescription::Half3 },
    { "half4", QShaderDescription::Half4 } };
 
static QLatin1StringView typeStr(QShaderDescription::VariableType t)
{
    for (size_t i = 0; i < sizeof(typeTab) / sizeof(TypeTab); ++i) {
        if (typeTab[i].v == t)
            return QLatin1StringView(typeTab[i].k);
    }
    return {};
}
 
static const struct ImageFormatTab {
    const char k[15];
    QShaderDescription::ImageFormat v;
} imageFormatTab[] {
    { "unknown", QShaderDescription::ImageFormatUnknown },
    { "rgba32f", QShaderDescription::ImageFormatRgba32f },
    { "rgba16", QShaderDescription::ImageFormatRgba16f },
    { "r32f", QShaderDescription::ImageFormatR32f },
    { "rgba8", QShaderDescription::ImageFormatRgba8 },
    { "rgba8_snorm", QShaderDescription::ImageFormatRgba8Snorm },
    { "rg32f", QShaderDescription::ImageFormatRg32f },
    { "rg16f", QShaderDescription::ImageFormatRg16f },
    { "r11f_g11f_b10f", QShaderDescription::ImageFormatR11fG11fB10f },
    { "r16f", QShaderDescription::ImageFormatR16f },
    { "rgba16", QShaderDescription::ImageFormatRgba16 },
    { "rgb10_a2", QShaderDescription::ImageFormatRgb10A2 },
    { "rg16", QShaderDescription::ImageFormatRg16 },
    { "rg8", QShaderDescription::ImageFormatRg8 },
    { "r16", QShaderDescription::ImageFormatR16 },
    { "r8", QShaderDescription::ImageFormatR8 },
    { "rgba16_snorm", QShaderDescription::ImageFormatRgba16Snorm },
    { "rg16_snorm", QShaderDescription::ImageFormatRg16Snorm },
    { "rg8_snorm", QShaderDescription::ImageFormatRg8Snorm },
    { "r16_snorm", QShaderDescription::ImageFormatR16Snorm },
    { "r8_snorm", QShaderDescription::ImageFormatR8Snorm },
    { "rgba32i", QShaderDescription::ImageFormatRgba32i },
    { "rgba16i", QShaderDescription::ImageFormatRgba16i },
    { "rgba8i", QShaderDescription::ImageFormatRgba8i },
    { "r32i", QShaderDescription::ImageFormatR32i },
    { "rg32i", QShaderDescription::ImageFormatRg32i },
    { "rg16i", QShaderDescription::ImageFormatRg16i },
    { "rg8i", QShaderDescription::ImageFormatRg8i },
    { "r16i", QShaderDescription::ImageFormatR16i },
    { "r8i", QShaderDescription::ImageFormatR8i },
    { "rgba32ui", QShaderDescription::ImageFormatRgba32ui },
    { "rgba16ui", QShaderDescription::ImageFormatRgba16ui },
    { "rgba8ui", QShaderDescription::ImageFormatRgba8ui },
    { "r32ui", QShaderDescription::ImageFormatR32ui },
    { "rgb10_a2ui", QShaderDescription::ImageFormatRgb10a2ui },
    { "rg32ui", QShaderDescription::ImageFormatRg32ui },
    { "rg16ui", QShaderDescription::ImageFormatRg16ui },
    { "rg8ui", QShaderDescription::ImageFormatRg8ui },
    { "r16ui", QShaderDescription::ImageFormatR16ui },
    { "r8ui", QShaderDescription::ImageFormatR8ui }
};
 
static QLatin1StringView imageFormatStr(QShaderDescription::ImageFormat f)
{
    for (size_t i = 0; i < sizeof(imageFormatTab) / sizeof(ImageFormatTab); ++i) {
        if (imageFormatTab[i].v == f)
            return QLatin1StringView(imageFormatTab[i].k);
    }
    return {};
}
 
static const struct BuiltinTypeTab {
    const char k[21];
    QShaderDescription::BuiltinType v;
} builtinTypeTab[] = {
    { "Position", QShaderDescription::PositionBuiltin },
    { "PointSize", QShaderDescription::PointSizeBuiltin },
    { "ClipDistance", QShaderDescription::ClipDistanceBuiltin },
    { "CullDistance", QShaderDescription::CullDistanceBuiltin },
    { "VertexId", QShaderDescription::VertexIdBuiltin },
    { "InstanceId", QShaderDescription::InstanceIdBuiltin },
    { "PrimitiveId", QShaderDescription::PrimitiveIdBuiltin },
    { "InvocationId", QShaderDescription::InvocationIdBuiltin },
    { "Layer", QShaderDescription::LayerBuiltin },
    { "ViewportIndex", QShaderDescription::ViewportIndexBuiltin },
    { "TessLevelOuter", QShaderDescription::TessLevelOuterBuiltin },
    { "TessLevelInner", QShaderDescription::TessLevelInnerBuiltin },
    { "TessCoord", QShaderDescription::TessCoordBuiltin },
    { "PatchVertices", QShaderDescription::PatchVerticesBuiltin },
    { "FragCoord", QShaderDescription::FragCoordBuiltin },
    { "PointCoord", QShaderDescription::PointCoordBuiltin },
    { "FrontFacing", QShaderDescription::FrontFacingBuiltin },
    { "SampleId", QShaderDescription::SampleIdBuiltin },
    { "SamplePosition", QShaderDescription::SamplePositionBuiltin },
    { "SampleMask", QShaderDescription::SampleMaskBuiltin },
    { "FragDepth", QShaderDescription::FragDepthBuiltin },
    { "NumWorkGroups", QShaderDescription::NumWorkGroupsBuiltin },
    { "WorkgroupSize", QShaderDescription::WorkgroupSizeBuiltin },
    { "WorkgroupId", QShaderDescription::WorkgroupIdBuiltin },
    { "LocalInvocationId", QShaderDescription::LocalInvocationIdBuiltin },
    { "GlobalInvocationId", QShaderDescription::GlobalInvocationIdBuiltin },
    { "LocalInvocationIndex", QShaderDescription::LocalInvocationIndexBuiltin },
    { "VertexIndex", QShaderDescription::VertexIndexBuiltin },
    { "InstanceIndex", QShaderDescription::InstanceIndexBuiltin }
};
 
static QLatin1StringView builtinTypeStr(QShaderDescription::BuiltinType t)
{
    for (size_t i = 0; i < sizeof(builtinTypeTab) / sizeof(BuiltinTypeTab); ++i) {
        if (builtinTypeTab[i].v == t)
            return QLatin1StringView(builtinTypeTab[i].k);
    }
    return {};
}
 
static const struct TessellationModeTab {
    const char k[10];
    QShaderDescription::TessellationMode v;
} tessellationModeTab[] {
    { "unknown", QShaderDescription::UnknownTessellationMode },
    { "triangles", QShaderDescription::TrianglesTessellationMode },
    { "quad", QShaderDescription::QuadTessellationMode },
    { "isoline", QShaderDescription::IsolineTessellationMode }
};
 
static QLatin1StringView tessModeStr(QShaderDescription::TessellationMode mode)
{
    for (size_t i = 0; i < sizeof(tessellationModeTab) / sizeof(TessellationModeTab); ++i) {
        if (tessellationModeTab[i].v == mode)
            return QLatin1StringView(tessellationModeTab[i].k);
    }
    return {};
}
 
static const struct TessellationWindingOrderTab {
    const char k[8];
    QShaderDescription::TessellationWindingOrder v;
} tessellationWindingOrderTab[] {
    { "unknown", QShaderDescription::UnknownTessellationWindingOrder },
    { "cw", QShaderDescription::CwTessellationWindingOrder },
    { "ccw", QShaderDescription::CcwTessellationWindingOrder }
};
 
static QLatin1StringView tessWindStr(QShaderDescription::TessellationWindingOrder w)
{
    for (size_t i = 0; i < sizeof(tessellationWindingOrderTab) / sizeof(TessellationWindingOrderTab); ++i) {
        if (tessellationWindingOrderTab[i].v == w)
            return QLatin1StringView(tessellationWindingOrderTab[i].k);
    }
    return {};
}
 
static const struct TessellationPartitioningTab {
    const char k[24];
    QShaderDescription::TessellationPartitioning v;
} tessellationPartitioningTab[] {
    { "unknown", QShaderDescription::UnknownTessellationPartitioning },
    { "equal_spacing", QShaderDescription::EqualTessellationPartitioning },
    { "fractional_even_spacing", QShaderDescription::FractionalEvenTessellationPartitioning },
    { "fractional_odd_spacing", QShaderDescription::FractionalOddTessellationPartitioning }
};
 
static QLatin1StringView tessPartStr(QShaderDescription::TessellationPartitioning p)
{
    for (size_t i = 0; i < sizeof(tessellationPartitioningTab) / sizeof(TessellationPartitioningTab); ++i) {
        if (tessellationPartitioningTab[i].v == p)
            return QLatin1StringView(tessellationPartitioningTab[i].k);
    }
    return {};
}
 
#ifndef QT_NO_DEBUG_STREAM
QDebug operator<<(QDebug dbg, const QShaderDescription &sd)
{
    const QShaderDescriptionPrivate *d = sd.d;
    QDebugStateSaver saver(dbg);
 
    if (sd.isValid()) {
        dbg.nospace() << "QShaderDescription("
                      << "inVars " << d->inVars
                      << " outVars " << d->outVars
                      << " uniformBlocks " << d->uniformBlocks
                      << " pcBlocks " << d->pushConstantBlocks
                      << " storageBlocks " << d->storageBlocks
                      << " combinedSamplers " << d->combinedImageSamplers
                      << " storageImages " << d->storageImages
                      << " separateImages " << d->separateImages
                      << " separateSamplers " << d->separateSamplers
                      << " inBuiltins " << d->inBuiltins
                      << " outBuiltins " << d->outBuiltins
                      << ')';
    } else {
        dbg.nospace() << "QShaderDescription(null)";
    }
 
    return dbg;
}
 
QDebug operator<<(QDebug dbg, const QShaderDescription::InOutVariable &var)
{
    QDebugStateSaver saver(dbg);
    dbg.nospace() << "InOutVariable(" << typeStr(var.type) << ' ' << var.name;
    if (var.perPatch)
        dbg.nospace() << " per-patch";
    if (var.location >= 0)
        dbg.nospace() << " location=" << var.location;
    if (var.binding >= 0)
        dbg.nospace() << " binding=" << var.binding;
    if (var.descriptorSet >= 0)
        dbg.nospace() << " set=" << var.descriptorSet;
    if (var.imageFormat != QShaderDescription::ImageFormatUnknown)
        dbg.nospace() << " imageFormat=" << imageFormatStr(var.imageFormat);
    if (var.imageFlags)
        dbg.nospace() << " imageFlags=" << var.imageFlags;
    if (!var.arrayDims.isEmpty())
        dbg.nospace() << " array=" << var.arrayDims;
    if (!var.structMembers.isEmpty())
        dbg.nospace() << " structMembers=" << var.structMembers;
    dbg.nospace() << ')';
    return dbg;
}
 
QDebug operator<<(QDebug dbg, const QShaderDescription::BlockVariable &var)
{
    QDebugStateSaver saver(dbg);
    dbg.nospace() << "BlockVariable(" << typeStr(var.type) << ' ' << var.name;
    if (var.offset != -1)
        dbg.nospace() << " offset=" << var.offset;
    dbg.nospace() << " size=" << var.size;
    if (!var.arrayDims.isEmpty())
        dbg.nospace() << " array=" << var.arrayDims;
    if (var.arrayStride)
        dbg.nospace() << " arrayStride=" << var.arrayStride;
    if (var.matrixStride)
        dbg.nospace() << " matrixStride=" << var.matrixStride;
    if (var.matrixIsRowMajor)
        dbg.nospace() << " [rowmaj]";
    if (!var.structMembers.isEmpty())
        dbg.nospace() << " structMembers=" << var.structMembers;
    dbg.nospace() << ')';
    return dbg;
}
 
QDebug operator<<(QDebug dbg, const QShaderDescription::UniformBlock &blk)
{
    QDebugStateSaver saver(dbg);
    dbg.nospace() << "UniformBlock(" << blk.blockName << ' ' << blk.structName
                  << " size=" << blk.size;
    if (blk.binding >= 0)
        dbg.nospace() << " binding=" << blk.binding;
    if (blk.descriptorSet >= 0)
        dbg.nospace() << " set=" << blk.descriptorSet;
    dbg.nospace() << ' ' << blk.members << ')';
    return dbg;
}
 
QDebug operator<<(QDebug dbg, const QShaderDescription::PushConstantBlock &blk)
{
    QDebugStateSaver saver(dbg);
    dbg.nospace() << "PushConstantBlock(" << blk.name << " size=" << blk.size << ' ' << blk.members
                  << ')';
    return dbg;
}
 
QDebug operator<<(QDebug dbg, const QShaderDescription::StorageBlock &blk)
{
    QDebugStateSaver saver(dbg);
    dbg.nospace() << "StorageBlock(" << blk.blockName << ' ' << blk.instanceName
                  << " knownSize=" << blk.knownSize;
    if (blk.binding >= 0)
        dbg.nospace() << " binding=" << blk.binding;
    if (blk.descriptorSet >= 0)
        dbg.nospace() << " set=" << blk.descriptorSet;
    if (blk.runtimeArrayStride)
        dbg.nospace() << " runtimeArrayStride=" << blk.runtimeArrayStride;
    if (blk.qualifierFlags)
        dbg.nospace() << " qualifierFlags=" << blk.qualifierFlags;
    dbg.nospace() << ' ' << blk.members << ')';
    return dbg;
}
 
QDebug operator<<(QDebug dbg, const QShaderDescription::BuiltinVariable &builtin)
{
    QDebugStateSaver saver(dbg);
    dbg.nospace() << "BuiltinVariable(type=" << builtinTypeStr(builtin.type);
    dbg.nospace() << " varType=" << typeStr(builtin.varType);
    if (!builtin.arrayDims.isEmpty())
        dbg.nospace() << " array=" << builtin.arrayDims;
    dbg.nospace() << ")";
    return dbg;
}
#endif
 
#define JSON_KEY(key) static constexpr QLatin1StringView key ## Key() noexcept { return QLatin1StringView( #key ); }
JSON_KEY(name)
JSON_KEY(type)
JSON_KEY(location)
JSON_KEY(binding)
JSON_KEY(set)
JSON_KEY(perPatch)
JSON_KEY(imageFormat)
JSON_KEY(imageFlags)
JSON_KEY(offset)
JSON_KEY(arrayDims)
JSON_KEY(arrayStride)
JSON_KEY(matrixStride)
JSON_KEY(matrixRowMajor)
JSON_KEY(structMembers)
JSON_KEY(members)
JSON_KEY(inputs)
JSON_KEY(outputs)
JSON_KEY(uniformBlocks)
JSON_KEY(blockName)
JSON_KEY(structName)
JSON_KEY(instanceName)
JSON_KEY(size)
JSON_KEY(knownSize)
JSON_KEY(pushConstantBlocks)
JSON_KEY(storageBlocks)
JSON_KEY(combinedImageSamplers)
JSON_KEY(storageImages)
JSON_KEY(inBuiltins)
JSON_KEY(outBuiltins)
JSON_KEY(computeLocalSize)
JSON_KEY(tessellationOutputVertexCount)
JSON_KEY(tessellationMode)
JSON_KEY(tessellationWindingOrder)
JSON_KEY(tessellationPartitioning)
JSON_KEY(separateImages)
JSON_KEY(separateSamplers)
JSON_KEY(runtimeArrayStride)
JSON_KEY(qualifierFlags)
#undef JSON_KEY
 
static void addDeco(QJsonObject *obj, const QShaderDescription::InOutVariable &v)
{
    if (v.location >= 0)
        (*obj)[locationKey()] = v.location;
    if (v.binding >= 0)
        (*obj)[bindingKey()] = v.binding;
    if (v.descriptorSet >= 0)
        (*obj)[setKey()] = v.descriptorSet;
    if (v.perPatch)
        (*obj)[perPatchKey()] = v.perPatch;
    if (v.imageFormat != QShaderDescription::ImageFormatUnknown)
        (*obj)[imageFormatKey()] = imageFormatStr(v.imageFormat);
    if (v.imageFlags)
        (*obj)[imageFlagsKey()] = int(v.imageFlags);
    if (!v.arrayDims.isEmpty()) {
        QJsonArray dimArr;
        for (int dim : v.arrayDims)
            dimArr.append(dim);
        (*obj)[arrayDimsKey()] = dimArr;
    }
}
 
static void serializeDecorations(QDataStream *stream, const QShaderDescription::InOutVariable &v, int version)
{
    (*stream) << v.location;
    (*stream) << v.binding;
    (*stream) << v.descriptorSet;
    (*stream) << int(v.imageFormat);
    (*stream) << int(v.imageFlags);
    (*stream) << int(v.arrayDims.size());
    for (int dim : v.arrayDims)
        (*stream) << dim;
    if (version > QShaderPrivate::QSB_VERSION_WITHOUT_NATIVE_SHADER_INFO)
        (*stream) << quint8(v.perPatch);
}
 
static void serializeBuiltinVar(QDataStream *stream, const QShaderDescription::BuiltinVariable &v, int version)
{
    (*stream) << int(v.type);
    if (version > QShaderPrivate::QSB_VERSION_WITHOUT_INPUT_OUTPUT_INTERFACE_BLOCKS) {
        (*stream) << int(v.varType);
        (*stream) << int(v.arrayDims.size());
        for (int dim : v.arrayDims)
            (*stream) << dim;
    }
}
 
static QJsonObject blockMemberObject(const QShaderDescription::BlockVariable &v)
{
    QJsonObject obj;
    obj[nameKey()] = QString::fromUtf8(v.name);
    obj[typeKey()] = typeStr(v.type);
    if (v.offset != -1)
        obj[offsetKey()] = v.offset;
    obj[sizeKey()] = v.size;
    if (!v.arrayDims.isEmpty()) {
        QJsonArray dimArr;
        for (int dim : v.arrayDims)
            dimArr.append(dim);
        obj[arrayDimsKey()] = dimArr;
    }
    if (v.arrayStride)
        obj[arrayStrideKey()] = v.arrayStride;
    if (v.matrixStride)
        obj[matrixStrideKey()] = v.matrixStride;
    if (v.matrixIsRowMajor)
        obj[matrixRowMajorKey()] = true;
    if (!v.structMembers.isEmpty()) {
        QJsonArray arr;
        for (const QShaderDescription::BlockVariable &sv : v.structMembers)
            arr.append(blockMemberObject(sv));
        obj[structMembersKey()] = arr;
    }
    return obj;
}
 
static QJsonObject inOutObject(const QShaderDescription::InOutVariable &v)
{
    QJsonObject obj;
    obj[nameKey()] = QString::fromUtf8(v.name);
    obj[typeKey()] = typeStr(v.type);
    addDeco(&obj, v);
    if (!v.structMembers.isEmpty()) {
        QJsonArray arr;
        for (const QShaderDescription::BlockVariable &sv : v.structMembers)
            arr.append(blockMemberObject(sv));
        obj[structMembersKey()] = arr;
    }
    return obj;
}
 
static QJsonObject builtinObject(const QShaderDescription::BuiltinVariable &v)
{
    QJsonObject obj;
 
    obj[nameKey()] = builtinTypeStr(v.type);
    obj[typeKey()] = typeStr(v.varType);
    if (!v.arrayDims.isEmpty()) {
        QJsonArray dimArr;
        for (int dim : v.arrayDims)
            dimArr.append(dim);
        obj[arrayDimsKey()] = dimArr;
    }
    return obj;
}
 
static void serializeBlockMemberVar(QDataStream *stream, const QShaderDescription::BlockVariable &v)
{
    (*stream) << QString::fromUtf8(v.name);
    (*stream) << int(v.type);
    (*stream) << v.offset;
    (*stream) << v.size;
    (*stream) << int(v.arrayDims.size());
    for (int dim : v.arrayDims)
        (*stream) << dim;
    (*stream) << v.arrayStride;
    (*stream) << v.matrixStride;
    (*stream) << v.matrixIsRowMajor;
    (*stream) << int(v.structMembers.size());
    for (const QShaderDescription::BlockVariable &sv : v.structMembers)
        serializeBlockMemberVar(stream, sv);
}
 
static void serializeInOutVar(QDataStream *stream, const QShaderDescription::InOutVariable &v,
                              int version)
{
    (*stream) << QString::fromUtf8(v.name);
    (*stream) << int(v.type);
    serializeDecorations(stream, v, version);
    if (version > QShaderPrivate::QSB_VERSION_WITHOUT_INPUT_OUTPUT_INTERFACE_BLOCKS) {
        (*stream) << int(v.structMembers.size());
        for (const QShaderDescription::BlockVariable &sv : v.structMembers)
            serializeBlockMemberVar(stream, sv);
    }
}
 
QJsonDocument QShaderDescriptionPrivate::makeDoc()
{
    QJsonObject root;
 
    QJsonArray jinputs;
    for (const QShaderDescription::InOutVariable &v : std::as_const(inVars))
        jinputs.append(inOutObject(v));
    if (!jinputs.isEmpty())
        root[inputsKey()] = jinputs;
 
    QJsonArray joutputs;
    for (const QShaderDescription::InOutVariable &v : std::as_const(outVars))
        joutputs.append(inOutObject(v));
    if (!joutputs.isEmpty())
        root[outputsKey()] = joutputs;
 
    QJsonArray juniformBlocks;
    for (const QShaderDescription::UniformBlock &b : uniformBlocks) {
        QJsonObject juniformBlock;
        juniformBlock[blockNameKey()] = QString::fromUtf8(b.blockName);
        juniformBlock[structNameKey()] = QString::fromUtf8(b.structName);
        juniformBlock[sizeKey()] = b.size;
        if (b.binding >= 0)
            juniformBlock[bindingKey()] = b.binding;
        if (b.descriptorSet >= 0)
            juniformBlock[setKey()] = b.descriptorSet;
        QJsonArray members;
        for (const QShaderDescription::BlockVariable &v : b.members)
            members.append(blockMemberObject(v));
        juniformBlock[membersKey()] = members;
        juniformBlocks.append(juniformBlock);
    }
    if (!juniformBlocks.isEmpty())
        root[uniformBlocksKey()] = juniformBlocks;
 
    QJsonArray jpushConstantBlocks;
    for (const QShaderDescription::PushConstantBlock &b : pushConstantBlocks) {
        QJsonObject jpushConstantBlock;
        jpushConstantBlock[nameKey()] = QString::fromUtf8(b.name);
        jpushConstantBlock[sizeKey()] = b.size;
        QJsonArray members;
        for (const QShaderDescription::BlockVariable &v : b.members)
            members.append(blockMemberObject(v));
        jpushConstantBlock[membersKey()] = members;
        jpushConstantBlocks.append(jpushConstantBlock);
    }
    if (!jpushConstantBlocks.isEmpty())
        root[pushConstantBlocksKey()] = jpushConstantBlocks;
 
    QJsonArray jstorageBlocks;
    for (const QShaderDescription::StorageBlock &b : storageBlocks) {
        QJsonObject jstorageBlock;
        jstorageBlock[blockNameKey()] = QString::fromUtf8(b.blockName);
        jstorageBlock[instanceNameKey()] = QString::fromUtf8(b.instanceName);
        jstorageBlock[knownSizeKey()] = b.knownSize;
        if (b.binding >= 0)
            jstorageBlock[bindingKey()] = b.binding;
        if (b.descriptorSet >= 0)
            jstorageBlock[setKey()] = b.descriptorSet;
        if (b.runtimeArrayStride)
            jstorageBlock[runtimeArrayStrideKey()] = b.runtimeArrayStride;
        if (b.qualifierFlags)
            jstorageBlock[qualifierFlagsKey()] = int(b.qualifierFlags);
        QJsonArray members;
        for (const QShaderDescription::BlockVariable &v : b.members)
            members.append(blockMemberObject(v));
        jstorageBlock[membersKey()] = members;
        jstorageBlocks.append(jstorageBlock);
    }
    if (!jstorageBlocks.isEmpty())
        root[storageBlocksKey()] = jstorageBlocks;
 
    QJsonArray jcombinedSamplers;
    for (const QShaderDescription::InOutVariable &v : std::as_const(combinedImageSamplers)) {
        QJsonObject sampler;
        sampler[nameKey()] = QString::fromUtf8(v.name);
        sampler[typeKey()] = typeStr(v.type);
        addDeco(&sampler, v);
        jcombinedSamplers.append(sampler);
    }
    if (!jcombinedSamplers.isEmpty())
        root[combinedImageSamplersKey()] = jcombinedSamplers;
 
    QJsonArray jstorageImages;
    for (const QShaderDescription::InOutVariable &v : std::as_const(storageImages)) {
        QJsonObject image;
        image[nameKey()] = QString::fromUtf8(v.name);
        image[typeKey()] = typeStr(v.type);
        addDeco(&image, v);
        jstorageImages.append(image);
    }
    if (!jstorageImages.isEmpty())
        root[storageImagesKey()] = jstorageImages;
 
    QJsonArray jinBuiltins;
    for (const QShaderDescription::BuiltinVariable &v : std::as_const(inBuiltins))
        jinBuiltins.append(builtinObject(v));
    if (!jinBuiltins.isEmpty())
        root[inBuiltinsKey()] = jinBuiltins;
 
    QJsonArray joutBuiltins;
    for (const QShaderDescription::BuiltinVariable &v : std::as_const(outBuiltins))
        joutBuiltins.append(builtinObject(v));
    if (!joutBuiltins.isEmpty())
        root[outBuiltinsKey()] = joutBuiltins;
 
    if (localSize[0] || localSize[1] || localSize[2]) {
        QJsonArray jlocalSize;
        for (size_t i = 0; i < 3; ++i)
            jlocalSize.append(QJsonValue(int(localSize[i])));
        root[computeLocalSizeKey()] = jlocalSize;
    }
 
    if (tessOutVertCount)
        root[tessellationOutputVertexCountKey()] = int(tessOutVertCount);
 
    if (tessMode != QShaderDescription::UnknownTessellationMode)
        root[tessellationModeKey()] = tessModeStr(tessMode);
 
    if (tessWind != QShaderDescription::UnknownTessellationWindingOrder)
        root[tessellationWindingOrderKey()] = tessWindStr(tessWind);
 
    if (tessPart != QShaderDescription::UnknownTessellationPartitioning)
        root[tessellationPartitioningKey()] = tessPartStr(tessPart);
 
    QJsonArray jseparateImages;
    for (const QShaderDescription::InOutVariable &v : std::as_const(separateImages)) {
        QJsonObject image;
        image[nameKey()] = QString::fromUtf8(v.name);
        image[typeKey()] = typeStr(v.type);
        addDeco(&image, v);
        jseparateImages.append(image);
    }
    if (!jseparateImages.isEmpty())
        root[separateImagesKey()] = jseparateImages;
 
    QJsonArray jseparateSamplers;
    for (const QShaderDescription::InOutVariable &v : std::as_const(separateSamplers)) {
        QJsonObject sampler;
        sampler[nameKey()] = QString::fromUtf8(v.name);
        sampler[typeKey()] = typeStr(v.type);
        addDeco(&sampler, v);
        jseparateSamplers.append(sampler);
    }
    if (!jseparateSamplers.isEmpty())
        root[separateSamplersKey()] = jseparateSamplers;
 
    return QJsonDocument(root);
}
 
void QShaderDescriptionPrivate::writeToStream(QDataStream *stream, int version)
{
    (*stream) << int(inVars.size());
    for (const QShaderDescription::InOutVariable &v : std::as_const(inVars))
        serializeInOutVar(stream, v, version);
 
    (*stream) << int(outVars.size());
    for (const QShaderDescription::InOutVariable &v : std::as_const(outVars))
        serializeInOutVar(stream, v, version);
 
    (*stream) << int(uniformBlocks.size());
    for (const QShaderDescription::UniformBlock &b : uniformBlocks) {
        (*stream) << QString::fromUtf8(b.blockName);
        (*stream) << QString::fromUtf8(b.structName);
        (*stream) << b.size;
        (*stream) << b.binding;
        (*stream) << b.descriptorSet;
        (*stream) << int(b.members.size());
        for (const QShaderDescription::BlockVariable &v : b.members)
            serializeBlockMemberVar(stream, v);
    }
 
    (*stream) << int(pushConstantBlocks.size());
    for (const QShaderDescription::PushConstantBlock &b : pushConstantBlocks) {
        (*stream) << QString::fromUtf8(b.name);
        (*stream) << b.size;
        (*stream) << int(b.members.size());
        for (const QShaderDescription::BlockVariable &v : b.members)
            serializeBlockMemberVar(stream, v);
    }
 
    (*stream) << int(storageBlocks.size());
    for (const QShaderDescription::StorageBlock &b : storageBlocks) {
        (*stream) << QString::fromUtf8(b.blockName);
        (*stream) << QString::fromUtf8(b.instanceName);
        (*stream) << b.knownSize;
        (*stream) << b.binding;
        (*stream) << b.descriptorSet;
        (*stream) << int(b.members.size());
        for (const QShaderDescription::BlockVariable &v : b.members)
            serializeBlockMemberVar(stream, v);
        if (version > QShaderPrivate::QSB_VERSION_WITHOUT_EXTENDED_STORAGE_BUFFER_INFO) {
            (*stream) << b.runtimeArrayStride;
            (*stream) << b.qualifierFlags;
        }
    }
 
    (*stream) << int(combinedImageSamplers.size());
    for (const QShaderDescription::InOutVariable &v : std::as_const(combinedImageSamplers)) {
        (*stream) << QString::fromUtf8(v.name);
        (*stream) << int(v.type);
        serializeDecorations(stream, v, version);
    }
 
    (*stream) << int(storageImages.size());
    for (const QShaderDescription::InOutVariable &v : std::as_const(storageImages)) {
        (*stream) << QString::fromUtf8(v.name);
        (*stream) << int(v.type);
        serializeDecorations(stream, v, version);
    }
 
    for (size_t i = 0; i < 3; ++i)
        (*stream) << quint32(localSize[i]);
 
    (*stream) << int(separateImages.size());
    for (const QShaderDescription::InOutVariable &v : std::as_const(separateImages)) {
        (*stream) << QString::fromUtf8(v.name);
        (*stream) << int(v.type);
        serializeDecorations(stream, v, version);
    }
 
    (*stream) << int(separateSamplers.size());
    for (const QShaderDescription::InOutVariable &v : std::as_const(separateSamplers)) {
        (*stream) << QString::fromUtf8(v.name);
        (*stream) << int(v.type);
        serializeDecorations(stream, v, version);
    }
 
    if (version > QShaderPrivate::QSB_VERSION_WITHOUT_NATIVE_SHADER_INFO) {
        (*stream) << quint32(tessOutVertCount);
        (*stream) << quint32(tessMode);
        (*stream) << quint32(tessWind);
        (*stream) << quint32(tessPart);
 
        (*stream) << int(inBuiltins.size());
        for (const QShaderDescription::BuiltinVariable &v : std::as_const(inBuiltins))
            serializeBuiltinVar(stream, v, version);
 
        (*stream) << int(outBuiltins.size());
        for (const QShaderDescription::BuiltinVariable &v : std::as_const(outBuiltins))
            serializeBuiltinVar(stream, v, version);
    }
}
 
static void deserializeDecorations(QDataStream *stream, int version, QShaderDescription::InOutVariable *v)
{
    (*stream) >> v->location;
    (*stream) >> v->binding;
    (*stream) >> v->descriptorSet;
    int f;
    (*stream) >> f;
    v->imageFormat = QShaderDescription::ImageFormat(f);
    (*stream) >> f;
    v->imageFlags = QShaderDescription::ImageFlags(f);
 
    if (version > QShaderPrivate::QSB_VERSION_WITHOUT_VAR_ARRAYDIMS) {
        (*stream) >> f;
        v->arrayDims.resize(f);
        for (int i = 0; i < f; ++i)
            (*stream) >> v->arrayDims[i];
    }
 
    if (version > QShaderPrivate::QSB_VERSION_WITHOUT_NATIVE_SHADER_INFO) {
        quint8 b;
        (*stream) >> b;
        v->perPatch = b;
    }
}
 
static QShaderDescription::BuiltinVariable deserializeBuiltinVar(QDataStream *stream, int version)
{
    QShaderDescription::BuiltinVariable var;
    int t;
    (*stream) >> t;
    var.type = QShaderDescription::BuiltinType(t);
    if (version > QShaderPrivate::QSB_VERSION_WITHOUT_INPUT_OUTPUT_INTERFACE_BLOCKS) {
        (*stream) >> t;
        var.varType = QShaderDescription::VariableType(t);
        int count;
        (*stream) >> count;
        var.arrayDims.resize(count);
        for (int i = 0; i < count; ++i)
            (*stream) >> var.arrayDims[i];
    }
    return var;
}
 
static QShaderDescription::BlockVariable deserializeBlockMemberVar(QDataStream *stream, int version)
{
    QShaderDescription::BlockVariable var;
    QString tmp;
    (*stream) >> tmp;
    var.name = tmp.toUtf8();
    int t;
    (*stream) >> t;
    var.type = QShaderDescription::VariableType(t);
    (*stream) >> var.offset;
    (*stream) >> var.size;
    int count;
    (*stream) >> count;
    var.arrayDims.resize(count);
    for (int i = 0; i < count; ++i)
        (*stream) >> var.arrayDims[i];
    (*stream) >> var.arrayStride;
    (*stream) >> var.matrixStride;
    (*stream) >> var.matrixIsRowMajor;
    (*stream) >> count;
    var.structMembers.resize(count);
    for (int i = 0; i < count; ++i)
        var.structMembers[i] = deserializeBlockMemberVar(stream, version);
    return var;
}
 
static QShaderDescription::InOutVariable deserializeInOutVar(QDataStream *stream, int version)
{
    QShaderDescription::InOutVariable var;
    QString tmp;
    (*stream) >> tmp;
    var.name = tmp.toUtf8();
    int t;
    (*stream) >> t;
    var.type = QShaderDescription::VariableType(t);
    deserializeDecorations(stream, version, &var);
    if (version > QShaderPrivate::QSB_VERSION_WITHOUT_INPUT_OUTPUT_INTERFACE_BLOCKS) {
        int count;
        (*stream) >> count;
        var.structMembers.resize(count);
        for (int i = 0; i < count; ++i)
            var.structMembers[i] = deserializeBlockMemberVar(stream, version);
    }
    return var;
}
 
void QShaderDescriptionPrivate::loadFromStream(QDataStream *stream, int version)
{
    Q_ASSERT(ref.loadRelaxed() == 1); // must be detached
 
    int count;
    (*stream) >> count;
    inVars.resize(count);
    for (int i = 0; i < count; ++i)
        inVars[i] = deserializeInOutVar(stream, version);
 
    (*stream) >> count;
    outVars.resize(count);
    for (int i = 0; i < count; ++i)
        outVars[i] = deserializeInOutVar(stream, version);
 
    (*stream) >> count;
    uniformBlocks.resize(count);
    for (int i = 0; i < count; ++i) {
        QString tmp;
        (*stream) >> tmp;
        uniformBlocks[i].blockName = tmp.toUtf8();
        (*stream) >> tmp;
        uniformBlocks[i].structName = tmp.toUtf8();
        (*stream) >> uniformBlocks[i].size;
        (*stream) >> uniformBlocks[i].binding;
        (*stream) >> uniformBlocks[i].descriptorSet;
        int memberCount;
        (*stream) >> memberCount;
        uniformBlocks[i].members.resize(memberCount);
        for (int memberIdx = 0; memberIdx < memberCount; ++memberIdx)
            uniformBlocks[i].members[memberIdx] = deserializeBlockMemberVar(stream, version);
    }
 
    (*stream) >> count;
    pushConstantBlocks.resize(count);
    for (int i = 0; i < count; ++i) {
        QString tmp;
        (*stream) >> tmp;
        pushConstantBlocks[i].name = tmp.toUtf8();
        (*stream) >> pushConstantBlocks[i].size;
        int memberCount;
        (*stream) >> memberCount;
        pushConstantBlocks[i].members.resize(memberCount);
        for (int memberIdx = 0; memberIdx < memberCount; ++memberIdx)
            pushConstantBlocks[i].members[memberIdx] = deserializeBlockMemberVar(stream, version);
    }
 
    (*stream) >> count;
    storageBlocks.resize(count);
    for (int i = 0; i < count; ++i) {
        QString tmp;
        (*stream) >> tmp;
        storageBlocks[i].blockName = tmp.toUtf8();
        (*stream) >> tmp;
        storageBlocks[i].instanceName = tmp.toUtf8();
        (*stream) >> storageBlocks[i].knownSize;
        (*stream) >> storageBlocks[i].binding;
        (*stream) >> storageBlocks[i].descriptorSet;
        int memberCount;
        (*stream) >> memberCount;
        storageBlocks[i].members.resize(memberCount);
        for (int memberIdx = 0; memberIdx < memberCount; ++memberIdx)
            storageBlocks[i].members[memberIdx] = deserializeBlockMemberVar(stream, version);
 
        if (version > QShaderPrivate::QSB_VERSION_WITHOUT_EXTENDED_STORAGE_BUFFER_INFO) {
            (*stream) >> storageBlocks[i].runtimeArrayStride;
            (*stream) >> storageBlocks[i].qualifierFlags;
        }
    }
 
    (*stream) >> count;
    combinedImageSamplers.resize(count);
    for (int i = 0; i < count; ++i) {
        QString tmp;
        (*stream) >> tmp;
        combinedImageSamplers[i].name = tmp.toUtf8();
        int t;
        (*stream) >> t;
        combinedImageSamplers[i].type = QShaderDescription::VariableType(t);
        deserializeDecorations(stream, version, &combinedImageSamplers[i]);
    }
 
    (*stream) >> count;
    storageImages.resize(count);
    for (int i = 0; i < count; ++i) {
        QString tmp;
        (*stream) >> tmp;
        storageImages[i].name = tmp.toUtf8();
        int t;
        (*stream) >> t;
        storageImages[i].type = QShaderDescription::VariableType(t);
        deserializeDecorations(stream, version, &storageImages[i]);
    }
 
    for (size_t i = 0; i < 3; ++i) {
        quint32 v;
        (*stream) >> v;
        localSize[i] = v;
    }
 
    if (version > QShaderPrivate::QSB_VERSION_WITHOUT_SEPARATE_IMAGES_AND_SAMPLERS) {
        (*stream) >> count;
        separateImages.resize(count);
        for (int i = 0; i < count; ++i) {
            QString tmp;
            (*stream) >> tmp;
            separateImages[i].name = tmp.toUtf8();
            int t;
            (*stream) >> t;
            separateImages[i].type = QShaderDescription::VariableType(t);
            deserializeDecorations(stream, version, &separateImages[i]);
        }
 
        (*stream) >> count;
        separateSamplers.resize(count);
        for (int i = 0; i < count; ++i) {
            QString tmp;
            (*stream) >> tmp;
            separateSamplers[i].name = tmp.toUtf8();
            int t;
            (*stream) >> t;
            separateSamplers[i].type = QShaderDescription::VariableType(t);
            deserializeDecorations(stream, version, &separateSamplers[i]);
        }
    }
 
    if (version > QShaderPrivate::QSB_VERSION_WITHOUT_NATIVE_SHADER_INFO) {
        quint32 v;
        (*stream) >> v;
        tessOutVertCount = v;
        (*stream) >> v;
        tessMode = QShaderDescription::TessellationMode(v);
        (*stream) >> v;
        tessWind = QShaderDescription::TessellationWindingOrder(v);
        (*stream) >> v;
        tessPart = QShaderDescription::TessellationPartitioning(v);
 
        (*stream) >> count;
        inBuiltins.resize(count);
        for (int i = 0; i < count; ++i)
            inBuiltins[i] = deserializeBuiltinVar(stream, version);
 
        (*stream) >> count;
        outBuiltins.resize(count);
        for (int i = 0; i < count; ++i)
            outBuiltins[i] = deserializeBuiltinVar(stream, version);
    }
}
 
bool operator==(const QShaderDescription &lhs, const QShaderDescription &rhs) noexcept
{
    if (lhs.d == rhs.d)
        return true;
 
    return lhs.d->inVars == rhs.d->inVars
            && lhs.d->outVars == rhs.d->outVars
            && lhs.d->uniformBlocks == rhs.d->uniformBlocks
            && lhs.d->pushConstantBlocks == rhs.d->pushConstantBlocks
            && lhs.d->storageBlocks == rhs.d->storageBlocks
            && lhs.d->combinedImageSamplers == rhs.d->combinedImageSamplers
            && lhs.d->separateImages == rhs.d->separateImages
            && lhs.d->separateSamplers == rhs.d->separateSamplers
            && lhs.d->storageImages == rhs.d->storageImages
            && lhs.d->inBuiltins == rhs.d->inBuiltins
            && lhs.d->outBuiltins == rhs.d->outBuiltins
            && lhs.d->localSize == rhs.d->localSize
            && lhs.d->tessOutVertCount == rhs.d->tessOutVertCount
            && lhs.d->tessMode == rhs.d->tessMode
            && lhs.d->tessWind == rhs.d->tessWind
            && lhs.d->tessPart == rhs.d->tessPart;
}
 
bool operator==(const QShaderDescription::InOutVariable &lhs, const QShaderDescription::InOutVariable &rhs) noexcept
{
    return lhs.name == rhs.name
            && lhs.type == rhs.type
            && lhs.location == rhs.location
            && lhs.binding == rhs.binding
            && lhs.descriptorSet == rhs.descriptorSet
            && lhs.imageFormat == rhs.imageFormat
            && lhs.imageFlags == rhs.imageFlags
            && lhs.arrayDims == rhs.arrayDims
            && lhs.perPatch == rhs.perPatch
            && lhs.structMembers == rhs.structMembers;
}
 
bool operator==(const QShaderDescription::BlockVariable &lhs, const QShaderDescription::BlockVariable &rhs) noexcept
{
    return lhs.name == rhs.name
            && lhs.type == rhs.type
            && lhs.offset == rhs.offset
            && lhs.size == rhs.size
            && lhs.arrayDims == rhs.arrayDims
            && lhs.arrayStride == rhs.arrayStride
            && lhs.matrixStride == rhs.matrixStride
            && lhs.matrixIsRowMajor == rhs.matrixIsRowMajor
            && lhs.structMembers == rhs.structMembers;
}
 
bool operator==(const QShaderDescription::UniformBlock &lhs, const QShaderDescription::UniformBlock &rhs) noexcept
{
    return lhs.blockName == rhs.blockName
            && lhs.structName == rhs.structName
            && lhs.size == rhs.size
            && lhs.binding == rhs.binding
            && lhs.descriptorSet == rhs.descriptorSet
            && lhs.members == rhs.members;
}
 
bool operator==(const QShaderDescription::PushConstantBlock &lhs, const QShaderDescription::PushConstantBlock &rhs) noexcept
{
    return lhs.name == rhs.name
            && lhs.size == rhs.size
            && lhs.members == rhs.members;
}
 
bool operator==(const QShaderDescription::StorageBlock &lhs, const QShaderDescription::StorageBlock &rhs) noexcept
{
    return lhs.blockName == rhs.blockName
            && lhs.instanceName == rhs.instanceName
            && lhs.knownSize == rhs.knownSize
            && lhs.binding == rhs.binding
            && lhs.descriptorSet == rhs.descriptorSet
            && lhs.runtimeArrayStride == rhs.runtimeArrayStride
            && lhs.qualifierFlags == rhs.qualifierFlags
            && lhs.members == rhs.members;
}
 
bool operator==(const QShaderDescription::BuiltinVariable &lhs, const QShaderDescription::BuiltinVariable &rhs) noexcept
{
    return lhs.type == rhs.type
            && lhs.varType == rhs.varType
            && lhs.arrayDims == rhs.arrayDims;
}
 
QT_END_NAMESPACE