diff --git a/src/gui/rhi/qrhi.cpp b/src/gui/rhi/qrhi.cpp
index fdf8acb3bb..4825721053 100644
--- a/src/gui/rhi/qrhi.cpp
+++ b/src/gui/rhi/qrhi.cpp
@@ -3367,7 +3367,7 @@ void QRhiImplementation::updateLayoutDesc(QRhiShaderResourceBindings *srb)
     srb->m_layoutDesc.clear();
     auto layoutDescAppender = std::back_inserter(srb->m_layoutDesc);
     for (const QRhiShaderResourceBinding &b : std::as_const(srb->m_bindings)) {
-        const QRhiShaderResourceBinding::Data *d = b.data();
+        const QRhiShaderResourceBinding::Data *d = &b.d;
         srb->m_layoutDescHash ^= uint(d->binding) ^ uint(d->stage) ^ uint(d->type)
             ^ uint(d->arraySize());
         layoutDescAppender = d->serialize(layoutDescAppender);
@@ -4083,8 +4083,8 @@ QRhiShaderResourceBinding QRhiShaderResourceBinding::bufferLoadStore(
  */
 bool operator==(const QRhiShaderResourceBinding &a, const QRhiShaderResourceBinding &b) noexcept
 {
-    const QRhiShaderResourceBinding::Data *da = a.data();
-    const QRhiShaderResourceBinding::Data *db = b.data();
+    const QRhiShaderResourceBinding::Data *da = QRhiImplementation::shaderResourceBindingData(a);
+    const QRhiShaderResourceBinding::Data *db = QRhiImplementation::shaderResourceBindingData(b);
 
     if (da == db)
         return true;
@@ -4173,7 +4173,7 @@ bool operator!=(const QRhiShaderResourceBinding &a, const QRhiShaderResourceBind
  */
 size_t qHash(const QRhiShaderResourceBinding &b, size_t seed) noexcept
 {
-    const QRhiShaderResourceBinding::Data *d = b.data();
+    const QRhiShaderResourceBinding::Data *d = QRhiImplementation::shaderResourceBindingData(b);
     size_t h = uint(d->binding) ^ uint(d->stage) ^ uint(d->type) ^ seed;
     switch (d->type) {
     case QRhiShaderResourceBinding::UniformBuffer:
@@ -4207,7 +4207,7 @@ size_t qHash(const QRhiShaderResourceBinding &b, size_t seed) noexcept
 QDebug operator<<(QDebug dbg, const QRhiShaderResourceBinding &b)
 {
     QDebugStateSaver saver(dbg);
-    const QRhiShaderResourceBinding::Data *d = b.data();
+    const QRhiShaderResourceBinding::Data *d = QRhiImplementation::shaderResourceBindingData(b);
     dbg.nospace() << "QRhiShaderResourceBinding("
                   << "binding=" << d->binding
                   << " stage=" << d->stage
@@ -5431,7 +5431,7 @@ bool QRhiImplementation::sanityCheckShaderResourceBindings(QRhiShaderResourceBin
     const int CHECKED_BINDINGS_COUNT = 64;
     bool bindingSeen[CHECKED_BINDINGS_COUNT] = {};
     for (auto it = srb->cbeginBindings(), end = srb->cendBindings(); it != end; ++it) {
-        const int binding = it->data()->binding;
+        const int binding = shaderResourceBindingData(*it)->binding;
         if (binding >= CHECKED_BINDINGS_COUNT)
             continue;
         if (binding < 0) {
@@ -5439,7 +5439,7 @@ bool QRhiImplementation::sanityCheckShaderResourceBindings(QRhiShaderResourceBin
             bindingsOk = false;
             continue;
         }
-        switch (it->data()->type) {
+        switch (shaderResourceBindingData(*it)->type) {
         case QRhiShaderResourceBinding::UniformBuffer:
             if (!bindingSeen[binding]) {
                 bindingSeen[binding] = true;
@@ -5493,7 +5493,7 @@ bool QRhiImplementation::sanityCheckShaderResourceBindings(QRhiShaderResourceBin
             }
             break;
         default:
-            qWarning("Unknown binding type %d", int(it->data()->type));
+            qWarning("Unknown binding type %d", int(shaderResourceBindingData(*it)->type));
             bindingsOk = false;
             break;
         }
diff --git a/src/gui/rhi/qrhi_p.h b/src/gui/rhi/qrhi_p.h
index caac76a6c2..e254eafd2e 100644
--- a/src/gui/rhi/qrhi_p.h
+++ b/src/gui/rhi/qrhi_p.h
@@ -409,6 +409,7 @@ public:
         }
     };
 
+    // ### remove these two once Qt Quick 3D is updated
     Data *data() { return &d; }
     const Data *data() const { return &d; }
 
@@ -420,13 +421,14 @@ public:
                                            Output dst)
     {
         while (first != last) {
-            dst = first->data()->serialize(dst);
+            dst = first->d.serialize(dst);
             ++first;
         }
     }
 
 private:
     Data d;
+    friend class QRhiImplementation;
 };
 
 Q_DECLARE_OPERATORS_FOR_FLAGS(QRhiShaderResourceBinding::StageFlags)
diff --git a/src/gui/rhi/qrhi_p_p.h b/src/gui/rhi/qrhi_p_p.h
index 860133bef1..4e2b62bda6 100644
--- a/src/gui/rhi/qrhi_p_p.h
+++ b/src/gui/rhi/qrhi_p_p.h
@@ -220,6 +220,21 @@ public:
     QRhiVertexInputAttribute::Format shaderDescVariableFormatToVertexInputFormat(QShaderDescription::VariableType type) const;
     quint32 byteSizePerVertexForVertexInputFormat(QRhiVertexInputAttribute::Format format) const;
 
+    static const QRhiShaderResourceBinding::Data *shaderResourceBindingData(const QRhiShaderResourceBinding &binding)
+    {
+        return &binding.d;
+    }
+
+    static QRhiShaderResourceBinding::Data *shaderResourceBindingData(QRhiShaderResourceBinding &binding)
+    {
+        return &binding.d;
+    }
+
+    static bool sortedBindingLessThan(const QRhiShaderResourceBinding &a, const QRhiShaderResourceBinding &b)
+    {
+        return a.d.binding < b.d.binding;
+    }
+
     QRhi *q;
 
     static const int MAX_SHADER_CACHE_ENTRIES = 128;
diff --git a/src/gui/rhi/qrhid3d11.cpp b/src/gui/rhi/qrhid3d11.cpp
index ac93bbe479..9b14a2f0f2 100644
--- a/src/gui/rhi/qrhid3d11.cpp
+++ b/src/gui/rhi/qrhid3d11.cpp
@@ -854,7 +854,7 @@ void QRhiD3D11::setShaderResources(QRhiCommandBuffer *cb, QRhiShaderResourceBind
 
     bool srbUpdate = false;
     for (int i = 0, ie = srbD->sortedBindings.count(); i != ie; ++i) {
-        const QRhiShaderResourceBinding::Data *b = srbD->sortedBindings.at(i).data();
+        const QRhiShaderResourceBinding::Data *b = shaderResourceBindingData(srbD->sortedBindings.at(i));
         QD3D11ShaderResourceBindings::BoundResourceData &bd(srbD->boundResourceData[i]);
         switch (b->type) {
         case QRhiShaderResourceBinding::UniformBuffer:
@@ -2143,7 +2143,7 @@ void QRhiD3D11::updateShaderResourceBindings(QD3D11ShaderResourceBindings *srbD,
     } res[RBM_SUPPORTED_STAGES];
 
     for (int i = 0, ie = srbD->sortedBindings.count(); i != ie; ++i) {
-        const QRhiShaderResourceBinding::Data *b = srbD->sortedBindings.at(i).data();
+        const QRhiShaderResourceBinding::Data *b = shaderResourceBindingData(srbD->sortedBindings.at(i));
         QD3D11ShaderResourceBindings::BoundResourceData &bd(srbD->boundResourceData[i]);
         switch (b->type) {
         case QRhiShaderResourceBinding::UniformBuffer:
@@ -3841,11 +3841,7 @@ bool QD3D11ShaderResourceBindings::create()
     rhiD->updateLayoutDesc(this);
 
     std::copy(m_bindings.cbegin(), m_bindings.cend(), std::back_inserter(sortedBindings));
-    std::sort(sortedBindings.begin(), sortedBindings.end(),
-              [](const QRhiShaderResourceBinding &a, const QRhiShaderResourceBinding &b)
-    {
-        return a.data()->binding < b.data()->binding;
-    });
+    std::sort(sortedBindings.begin(), sortedBindings.end(), QRhiImplementation::sortedBindingLessThan);
 
     boundResourceData.resize(sortedBindings.count());
 
@@ -3854,7 +3850,7 @@ bool QD3D11ShaderResourceBindings::create()
 
     hasDynamicOffset = false;
     for (const QRhiShaderResourceBinding &b : sortedBindings) {
-        const QRhiShaderResourceBinding::Data *bd = b.data();
+        const QRhiShaderResourceBinding::Data *bd = QRhiImplementation::shaderResourceBindingData(b);
         if (bd->type == QRhiShaderResourceBinding::UniformBuffer && bd->u.ubuf.hasDynamicOffset) {
             hasDynamicOffset = true;
             break;
@@ -3869,13 +3865,8 @@ void QD3D11ShaderResourceBindings::updateResources(UpdateFlags flags)
 {
     sortedBindings.clear();
     std::copy(m_bindings.cbegin(), m_bindings.cend(), std::back_inserter(sortedBindings));
-    if (!flags.testFlag(BindingsAreSorted)) {
-        std::sort(sortedBindings.begin(), sortedBindings.end(),
-                  [](const QRhiShaderResourceBinding &a, const QRhiShaderResourceBinding &b)
-        {
-            return a.data()->binding < b.data()->binding;
-        });
-    }
+    if (!flags.testFlag(BindingsAreSorted))
+        std::sort(sortedBindings.begin(), sortedBindings.end(), QRhiImplementation::sortedBindingLessThan);
 
     Q_ASSERT(boundResourceData.count() == sortedBindings.count());
     for (BoundResourceData &bd : boundResourceData)
diff --git a/src/gui/rhi/qrhid3d12.cpp b/src/gui/rhi/qrhid3d12.cpp
index ea9e16576d..f018492ef1 100644
--- a/src/gui/rhi/qrhid3d12.cpp
+++ b/src/gui/rhi/qrhid3d12.cpp
@@ -786,7 +786,7 @@ void QRhiD3D12::setShaderResources(QRhiCommandBuffer *cb, QRhiShaderResourceBind
     QD3D12ShaderResourceBindings *srbD = QRHI_RES(QD3D12ShaderResourceBindings, srb);
 
     for (int i = 0, ie = srbD->sortedBindings.size(); i != ie; ++i) {
-        const QRhiShaderResourceBinding::Data *b = srbD->sortedBindings[i].data();
+        const QRhiShaderResourceBinding::Data *b = shaderResourceBindingData(srbD->sortedBindings[i]);
         switch (b->type) {
         case QRhiShaderResourceBinding::UniformBuffer:
         {
@@ -2239,7 +2239,7 @@ void QD3D12ShaderResourceVisitor::visit()
 {
     for (int bindingIdx = 0, bindingCount = srb->sortedBindings.count(); bindingIdx != bindingCount; ++bindingIdx) {
         const QRhiShaderResourceBinding &b(srb->sortedBindings[bindingIdx]);
-        const QRhiShaderResourceBinding::Data *bd = b.data();
+        const QRhiShaderResourceBinding::Data *bd = QRhiImplementation::shaderResourceBindingData(b);
 
         for (int stageIdx = 0; stageIdx < stageCount; ++stageIdx) {
             const QD3D12ShaderStageData *sd = &stageData[stageIdx];
@@ -4408,15 +4408,11 @@ bool QD3D12ShaderResourceBindings::create()
     rhiD->updateLayoutDesc(this);
 
     std::copy(m_bindings.cbegin(), m_bindings.cend(), std::back_inserter(sortedBindings));
-    std::sort(sortedBindings.begin(), sortedBindings.end(),
-              [](const QRhiShaderResourceBinding &a, const QRhiShaderResourceBinding &b)
-    {
-        return a.data()->binding < b.data()->binding;
-    });
+    std::sort(sortedBindings.begin(), sortedBindings.end(), QRhiImplementation::sortedBindingLessThan);
 
     hasDynamicOffset = false;
     for (const QRhiShaderResourceBinding &b : sortedBindings) {
-        const QRhiShaderResourceBinding::Data *bd = b.data();
+        const QRhiShaderResourceBinding::Data *bd = QRhiImplementation::shaderResourceBindingData(b);
         if (bd->type == QRhiShaderResourceBinding::UniformBuffer && bd->u.ubuf.hasDynamicOffset) {
             hasDynamicOffset = true;
             break;
@@ -4439,13 +4435,8 @@ void QD3D12ShaderResourceBindings::updateResources(UpdateFlags flags)
 {
     sortedBindings.clear();
     std::copy(m_bindings.cbegin(), m_bindings.cend(), std::back_inserter(sortedBindings));
-    if (!flags.testFlag(BindingsAreSorted)) {
-        std::sort(sortedBindings.begin(), sortedBindings.end(),
-                  [](const QRhiShaderResourceBinding &a, const QRhiShaderResourceBinding &b)
-        {
-            return a.data()->binding < b.data()->binding;
-        });
-    }
+    if (!flags.testFlag(BindingsAreSorted))
+        std::sort(sortedBindings.begin(), sortedBindings.end(), QRhiImplementation::sortedBindingLessThan);
 
     generation += 1;
 }
diff --git a/src/gui/rhi/qrhigles2.cpp b/src/gui/rhi/qrhigles2.cpp
index f277cab7a3..be03ef0a07 100644
--- a/src/gui/rhi/qrhigles2.cpp
+++ b/src/gui/rhi/qrhigles2.cpp
@@ -1613,7 +1613,7 @@ void QRhiGles2::setShaderResources(QRhiCommandBuffer *cb, QRhiShaderResourceBind
     if (cbD->passNeedsResourceTracking) {
         QRhiPassResourceTracker &passResTracker(cbD->passResTrackers[cbD->currentPassResTrackerIndex]);
         for (int i = 0, ie = srbD->m_bindings.size(); i != ie; ++i) {
-            const QRhiShaderResourceBinding::Data *b = srbD->m_bindings.at(i).data();
+            const QRhiShaderResourceBinding::Data *b = shaderResourceBindingData(srbD->m_bindings.at(i));
             switch (b->type) {
             case QRhiShaderResourceBinding::UniformBuffer:
                 // no BufUniformRead / AccessUniform because no real uniform buffers are used
@@ -3699,7 +3699,7 @@ void QRhiGles2::bindShaderResources(QGles2CommandBuffer *cbD,
     QVarLengthArray<SeparateSampler, 4> separateSamplerBindings;
 
     for (int i = 0, ie = srbD->m_bindings.size(); i != ie; ++i) {
-        const QRhiShaderResourceBinding::Data *b = srbD->m_bindings.at(i).data();
+        const QRhiShaderResourceBinding::Data *b = shaderResourceBindingData(srbD->m_bindings.at(i));
 
         switch (b->type) {
         case QRhiShaderResourceBinding::UniformBuffer:
@@ -4318,7 +4318,7 @@ void QRhiGles2::dispatch(QRhiCommandBuffer *cb, int x, int y, int z)
         QGles2ShaderResourceBindings *srbD = QRHI_RES(QGles2ShaderResourceBindings, cbD->currentComputeSrb);
         const int bindingCount = srbD->m_bindings.size();
         for (int i = 0; i < bindingCount; ++i) {
-            const QRhiShaderResourceBinding::Data *b = srbD->m_bindings.at(i).data();
+            const QRhiShaderResourceBinding::Data *b = shaderResourceBindingData(srbD->m_bindings.at(i));
             switch (b->type) {
             case QRhiShaderResourceBinding::ImageLoad:
             case QRhiShaderResourceBinding::ImageStore:
@@ -5576,7 +5576,7 @@ bool QGles2ShaderResourceBindings::create()
 
     hasDynamicOffset = false;
     for (int i = 0, ie = m_bindings.size(); i != ie; ++i) {
-        const QRhiShaderResourceBinding::Data *b = m_bindings.at(i).data();
+        const QRhiShaderResourceBinding::Data *b = QRhiImplementation::shaderResourceBindingData(m_bindings.at(i));
         if (b->type == QRhiShaderResourceBinding::UniformBuffer) {
             if (b->u.ubuf.hasDynamicOffset) {
                 hasDynamicOffset = true;
diff --git a/src/gui/rhi/qrhimetal.mm b/src/gui/rhi/qrhimetal.mm
index 2161692fec..2d4e826df7 100644
--- a/src/gui/rhi/qrhimetal.mm
+++ b/src/gui/rhi/qrhimetal.mm
@@ -1208,7 +1208,7 @@ void QRhiMetal::enqueueShaderResourceBindings(QMetalShaderResourceBindings *srbD
     QMetalShaderResourceBindingsData bindingData;
 
     for (const QRhiShaderResourceBinding &binding : std::as_const(srbD->sortedBindings)) {
-        const QRhiShaderResourceBinding::Data *b = binding.data();
+        const QRhiShaderResourceBinding::Data *b = shaderResourceBindingData(binding);
         switch (b->type) {
         case QRhiShaderResourceBinding::UniformBuffer:
         {
@@ -1471,7 +1471,7 @@ void QRhiMetal::setShaderResources(QRhiCommandBuffer *cb, QRhiShaderResourceBind
 
     // do buffer writes, figure out if we need to rebind, and mark as in-use
     for (int i = 0, ie = srbD->sortedBindings.count(); i != ie; ++i) {
-        const QRhiShaderResourceBinding::Data *b = srbD->sortedBindings.at(i).data();
+        const QRhiShaderResourceBinding::Data *b = shaderResourceBindingData(srbD->sortedBindings.at(i));
         QMetalShaderResourceBindings::BoundResourceData &bd(srbD->boundResourceData[i]);
         switch (b->type) {
         case QRhiShaderResourceBinding::UniformBuffer:
@@ -4176,13 +4176,9 @@ bool QMetalShaderResourceBindings::create()
     rhiD->updateLayoutDesc(this);
 
     std::copy(m_bindings.cbegin(), m_bindings.cend(), std::back_inserter(sortedBindings));
-    std::sort(sortedBindings.begin(), sortedBindings.end(),
-              [](const QRhiShaderResourceBinding &a, const QRhiShaderResourceBinding &b)
-    {
-        return a.data()->binding < b.data()->binding;
-    });
+    std::sort(sortedBindings.begin(), sortedBindings.end(), QRhiImplementation::sortedBindingLessThan);
     if (!sortedBindings.isEmpty())
-        maxBinding = sortedBindings.last().data()->binding;
+        maxBinding = QRhiImplementation::shaderResourceBindingData(sortedBindings.last())->binding;
     else
         maxBinding = -1;
 
@@ -4199,13 +4195,8 @@ void QMetalShaderResourceBindings::updateResources(UpdateFlags flags)
 {
     sortedBindings.clear();
     std::copy(m_bindings.cbegin(), m_bindings.cend(), std::back_inserter(sortedBindings));
-    if (!flags.testFlag(BindingsAreSorted)) {
-        std::sort(sortedBindings.begin(), sortedBindings.end(),
-                  [](const QRhiShaderResourceBinding &a, const QRhiShaderResourceBinding &b)
-        {
-            return a.data()->binding < b.data()->binding;
-        });
-    }
+    if (!flags.testFlag(BindingsAreSorted))
+        std::sort(sortedBindings.begin(), sortedBindings.end(), QRhiImplementation::sortedBindingLessThan);
 
     for (BoundResourceData &bd : boundResourceData)
         memset(&bd, 0, sizeof(BoundResourceData));
diff --git a/src/gui/rhi/qrhivulkan.cpp b/src/gui/rhi/qrhivulkan.cpp
index ca0c81a756..e2f618456a 100644
--- a/src/gui/rhi/qrhivulkan.cpp
+++ b/src/gui/rhi/qrhivulkan.cpp
@@ -2464,7 +2464,7 @@ void QRhiVulkan::dispatch(QRhiCommandBuffer *cb, int x, int y, int z)
         QVkShaderResourceBindings *srbD = QRHI_RES(QVkShaderResourceBindings, cbD->currentComputeSrb);
         const int bindingCount = srbD->m_bindings.size();
         for (int i = 0; i < bindingCount; ++i) {
-            const QRhiShaderResourceBinding::Data *b = srbD->m_bindings.at(i).data();
+            const QRhiShaderResourceBinding::Data *b = shaderResourceBindingData(srbD->m_bindings.at(i));
             switch (b->type) {
             case QRhiShaderResourceBinding::ImageLoad:
             case QRhiShaderResourceBinding::ImageStore:
@@ -2622,7 +2622,7 @@ void QRhiVulkan::updateShaderResourceBindings(QRhiShaderResourceBindings *srb, i
     int frameSlot = updateAll ? 0 : descSetIdx;
     while (frameSlot < (updateAll ? QVK_FRAMES_IN_FLIGHT : descSetIdx + 1)) {
         for (int i = 0, ie = srbD->sortedBindings.size(); i != ie; ++i) {
-            const QRhiShaderResourceBinding::Data *b = srbD->sortedBindings.at(i).data();
+            const QRhiShaderResourceBinding::Data *b = shaderResourceBindingData(srbD->sortedBindings.at(i));
             QVkShaderResourceBindings::BoundResourceData &bd(srbD->boundResourceData[frameSlot][i]);
 
             VkWriteDescriptorSet writeInfo = {};
@@ -4569,7 +4569,7 @@ void QRhiVulkan::setShaderResources(QRhiCommandBuffer *cb, QRhiShaderResourceBin
     // Do host writes and mark referenced shader resources as in-use.
     // Also prepare to ensure the descriptor set we are going to bind refers to up-to-date Vk objects.
     for (int i = 0, ie = srbD->sortedBindings.size(); i != ie; ++i) {
-        const QRhiShaderResourceBinding::Data *b = srbD->sortedBindings[i].data();
+        const QRhiShaderResourceBinding::Data *b = shaderResourceBindingData(srbD->sortedBindings[i]);
         QVkShaderResourceBindings::BoundResourceData &bd(descSetBd[i]);
         switch (b->type) {
         case QRhiShaderResourceBinding::UniformBuffer:
@@ -4716,7 +4716,7 @@ void QRhiVulkan::setShaderResources(QRhiCommandBuffer *cb, QRhiShaderResourceBin
             // and neither srb nor dynamicOffsets has any such ordering
             // requirement.
             for (const QRhiShaderResourceBinding &binding : std::as_const(srbD->sortedBindings)) {
-                const QRhiShaderResourceBinding::Data *b = binding.data();
+                const QRhiShaderResourceBinding::Data *b = shaderResourceBindingData(binding);
                 if (b->type == QRhiShaderResourceBinding::UniformBuffer && b->u.ubuf.hasDynamicOffset) {
                     uint32_t offset = 0;
                     for (int i = 0; i < dynamicOffsetCount; ++i) {
@@ -6696,16 +6696,12 @@ bool QVkShaderResourceBindings::create()
 
     sortedBindings.clear();
     std::copy(m_bindings.cbegin(), m_bindings.cend(), std::back_inserter(sortedBindings));
-    std::sort(sortedBindings.begin(), sortedBindings.end(),
-              [](const QRhiShaderResourceBinding &a, const QRhiShaderResourceBinding &b)
-    {
-        return a.data()->binding < b.data()->binding;
-    });
+    std::sort(sortedBindings.begin(), sortedBindings.end(), QRhiImplementation::sortedBindingLessThan);
 
     hasSlottedResource = false;
     hasDynamicOffset = false;
     for (const QRhiShaderResourceBinding &binding : std::as_const(sortedBindings)) {
-        const QRhiShaderResourceBinding::Data *b = binding.data();
+        const QRhiShaderResourceBinding::Data *b = QRhiImplementation::shaderResourceBindingData(binding);
         if (b->type == QRhiShaderResourceBinding::UniformBuffer && b->u.ubuf.buf) {
             if (QRHI_RES(QVkBuffer, b->u.ubuf.buf)->type() == QRhiBuffer::Dynamic)
                 hasSlottedResource = true;
@@ -6716,7 +6712,7 @@ bool QVkShaderResourceBindings::create()
 
     QVarLengthArray<VkDescriptorSetLayoutBinding, 4> vkbindings;
     for (const QRhiShaderResourceBinding &binding : std::as_const(sortedBindings)) {
-        const QRhiShaderResourceBinding::Data *b = binding.data();
+        const QRhiShaderResourceBinding::Data *b = QRhiImplementation::shaderResourceBindingData(binding);
         VkDescriptorSetLayoutBinding vkbinding = {};
         vkbinding.binding = uint32_t(b->binding);
         vkbinding.descriptorType = toVkDescriptorType(b);
@@ -6765,13 +6761,8 @@ void QVkShaderResourceBindings::updateResources(UpdateFlags flags)
 {
     sortedBindings.clear();
     std::copy(m_bindings.cbegin(), m_bindings.cend(), std::back_inserter(sortedBindings));
-    if (!flags.testFlag(BindingsAreSorted)) {
-        std::sort(sortedBindings.begin(), sortedBindings.end(),
-                  [](const QRhiShaderResourceBinding &a, const QRhiShaderResourceBinding &b)
-        {
-            return a.data()->binding < b.data()->binding;
-        });
-    }
+    if (!flags.testFlag(BindingsAreSorted))
+        std::sort(sortedBindings.begin(), sortedBindings.end(), QRhiImplementation::sortedBindingLessThan);
 
     // Reset the state tracking table too - it can deal with assigning a
     // different QRhiBuffer/Texture/Sampler for a binding point, but it cannot