From c1320260251b469b9e794c700d2c37b883c60771 Mon Sep 17 00:00:00 2001
From: Andrey Kleshchev <117672381+akleshchev@users.noreply.github.com>
Date: Fri, 24 Jul 2026 23:23:23 +0300
Subject: #6040 Fix dummy snapshot spinners

---
 indra/newview/llfloatersnapshot.cpp | 77 +++++++++++++++++++++++++------------
 indra/newview/llfloatersnapshot.h   |  2 +-
 2 files changed, 53 insertions(+), 26 deletions(-)

diff --git a/indra/newview/llfloatersnapshot.cpp b/indra/newview/llfloatersnapshot.cpp
index 83d7a92846..8fa279dace 100644
--- a/indra/newview/llfloatersnapshot.cpp
+++ b/indra/newview/llfloatersnapshot.cpp
@@ -96,13 +96,13 @@ LLSnapshotModel::ESnapshotFormat LLFloaterSnapshot::Impl::getImageFormat(LLFloat
 LLSpinCtrl* LLFloaterSnapshot::Impl::getWidthSpinner(LLFloaterSnapshotBase* floater)
 {
     LLPanelSnapshot* active_panel = getActivePanel(floater);
-    return active_panel ? active_panel->getWidthSpinner() : floater->getChild<LLSpinCtrl>("snapshot_width");
+    return active_panel ? active_panel->getWidthSpinner() : floater->findChild<LLSpinCtrl>("snapshot_width");
 }
 
 LLSpinCtrl* LLFloaterSnapshot::Impl::getHeightSpinner(LLFloaterSnapshotBase* floater)
 {
     LLPanelSnapshot* active_panel = getActivePanel(floater);
-    return active_panel ? active_panel->getHeightSpinner() : floater->getChild<LLSpinCtrl>("snapshot_height");
+    return active_panel ? active_panel->getHeightSpinner() : floater->findChild<LLSpinCtrl>("snapshot_height");
 }
 
 void LLFloaterSnapshot::Impl::enableAspectRatioCheckbox(LLFloaterSnapshotBase* floater, bool enable)
@@ -278,7 +278,7 @@ void LLFloaterSnapshot::Impl::updateControls(LLFloaterSnapshotBase* floater)
         LLSpinCtrl* height_ctrl = getHeightSpinner(floater);
 
         // Initialize spinners.
-        if (width_ctrl->getValue().asInteger() == 0)
+        if (width_ctrl && width_ctrl->getValue().asInteger() == 0)
         {
             S32 w = gViewerWindow->getWindowWidthRaw();
             LL_DEBUGS() << "Initializing width spinner (" << width_ctrl->getName() << "): " << w << LL_ENDL;
@@ -288,7 +288,7 @@ void LLFloaterSnapshot::Impl::updateControls(LLFloaterSnapshotBase* floater)
                 width_ctrl->setIncrement((F32)(w >> 1));
             }
         }
-        if (height_ctrl->getValue().asInteger() == 0)
+        if (height_ctrl && height_ctrl->getValue().asInteger() == 0)
         {
             S32 h = gViewerWindow->getWindowHeightRaw();
             LL_DEBUGS() << "Initializing height spinner (" << height_ctrl->getName() << "): " << h << LL_ENDL;
@@ -686,8 +686,8 @@ void LLFloaterSnapshot::Impl::updateResolution(LLUICtrl* ctrl, void* data, bool
     LLSnapshotLivePreview* previewp = getPreviewView();
     if (previewp && combobox->getCurrentIndex() >= 0)
     {
-        S32 original_width = 0 , original_height = 0 ;
-        previewp->getSize(original_width, original_height) ;
+        S32 original_width = 0, original_height = 0;
+        previewp->getSize(original_width, original_height);
 
         if (gSavedSettings.getBOOL("RenderUIInSnapshot") || gSavedSettings.getBOOL("RenderHUDInSnapshot"))
         { //clamp snapshot resolution to window size when showing UI or HUD in snapshot
@@ -737,24 +737,31 @@ void LLFloaterSnapshot::Impl::updateResolution(LLUICtrl* ctrl, void* data, bool
             previewp->setSize(width, height);
         }
 
-        checkAspectRatio(view, width) ;
+        checkAspectRatio(view, width);
 
         previewp->getSize(width, height);
 
-        // We use the height spinner here because we come here via the aspect ratio
-        // checkbox as well and we want height always changing to width by default.
-        // If we use the width spinner we would change width according to height by
-        // default, that is not what we want.
-        updateSpinners(view, previewp, width, height, !getHeightSpinner(view)->isDirty()); // may change width and height
+        LLSpinCtrl* height_ctrl = getHeightSpinner(view);
+        if (height_ctrl)
+        {
+            // We use the height spinner here because we come here via the aspect ratio
+            // checkbox as well and we want height always changing to width by default.
+            // If we use the width spinner we would change width according to height by
+            // default, that is not what we want.
+            updateSpinners(view, previewp, width, height, !height_ctrl->isDirty()); // may change width and height
+        }
 
-        if(getWidthSpinner(view)->getValue().asInteger() != width || getHeightSpinner(view)->getValue().asInteger() != height)
+        LLSpinCtrl* width_ctrl = getWidthSpinner(view);
+        if (width_ctrl
+            && height_ctrl
+            && (width_ctrl->getValue().asInteger() != width || height_ctrl->getValue().asInteger() != height))
         {
-            getWidthSpinner(view)->setValue(width);
-            getHeightSpinner(view)->setValue(height);
+            width_ctrl->setValue(width);
+            height_ctrl->setValue(height);
             if (getActiveSnapshotType(view) == LLSnapshotModel::SNAPSHOT_TEXTURE)
             {
-                getWidthSpinner(view)->setIncrement((F32)(width >> 1));
-                getHeightSpinner(view)->setIncrement((F32)(height >> 1));
+                width_ctrl->setIncrement((F32)(width >> 1));
+                height_ctrl->setIncrement((F32)(height >> 1));
             }
         }
 
@@ -824,7 +831,7 @@ void LLFloaterSnapshot::Impl::comboSetCustom(LLFloaterSnapshotBase* floater, con
 }
 
 // Update supplied width and height according to the constrain proportions flag; limit them by max_val.
-bool LLFloaterSnapshot::Impl::checkImageSize(LLSnapshotLivePreview* previewp, S32& width, S32& height, bool isWidthChanged, S32 max_value)
+bool LLFloaterSnapshot::Impl::checkImageSize(LLSnapshotLivePreview* previewp, S32& width, S32& height, bool isWidthChanged, S32 max_value) const
 {
     S32 w = width ;
     S32 h = height ;
@@ -870,19 +877,31 @@ bool LLFloaterSnapshot::Impl::checkImageSize(LLSnapshotLivePreview* previewp, S3
 
 void LLFloaterSnapshot::Impl::setImageSizeSpinnersValues(LLFloaterSnapshotBase* view, S32 width, S32 height)
 {
-    getWidthSpinner(view)->forceSetValue(width);
-    getHeightSpinner(view)->forceSetValue(height);
+    LLSpinCtrl* width_ctrl = getWidthSpinner(view);
+    LLSpinCtrl* height_ctrl = getHeightSpinner(view);
+    if (!height_ctrl || !width_ctrl)
+    {
+        return;
+    }
+    width_ctrl->forceSetValue(width);
+    height_ctrl->forceSetValue(height);
     if (getActiveSnapshotType(view) == LLSnapshotModel::SNAPSHOT_TEXTURE)
     {
-        getWidthSpinner(view)->setIncrement((F32)(width >> 1));
-        getHeightSpinner(view)->setIncrement((F32)(height >> 1));
+        width_ctrl->setIncrement((F32)(width >> 1));
+        height_ctrl->setIncrement((F32)(height >> 1));
     }
 }
 
 void LLFloaterSnapshot::Impl::updateSpinners(LLFloaterSnapshotBase* view, LLSnapshotLivePreview* previewp, S32& width, S32& height, bool is_width_changed)
 {
-    getWidthSpinner(view)->resetDirty();
-    getHeightSpinner(view)->resetDirty();
+    LLSpinCtrl* width_ctrl = getWidthSpinner(view);
+    LLSpinCtrl* height_ctrl = getHeightSpinner(view);
+    if (!height_ctrl || !width_ctrl)
+    {
+        return;
+    }
+    width_ctrl->resetDirty();
+    height_ctrl->resetDirty();
     if (checkImageSize(previewp, width, height, is_width_changed, previewp->getMaxImageSize()))
     {
         setImageSizeSpinnersValues(view, width, height);
@@ -903,7 +922,15 @@ void LLFloaterSnapshot::Impl::applyCustomResolution(LLFloaterSnapshotBase* view,
         if (w != curw || h != curh)
         {
             //if to upload a snapshot, process spinner input in a special way.
-            previewp->setMaxImageSize((S32) getWidthSpinner(view)->getMaxValue()) ;
+            LLSpinCtrl* width_ctrl = getWidthSpinner(view);
+            if (width_ctrl)
+            {
+                previewp->setMaxImageSize((S32)width_ctrl->getMaxValue());
+            }
+            else
+            {
+                previewp->setMaxImageSize((S32)2048);
+            }
 
             previewp->setSize(w,h);
             checkAutoSnapshot(previewp, false);
diff --git a/indra/newview/llfloatersnapshot.h b/indra/newview/llfloatersnapshot.h
index 186d9c41cf..703ce9e57b 100644
--- a/indra/newview/llfloatersnapshot.h
+++ b/indra/newview/llfloatersnapshot.h
@@ -194,7 +194,7 @@ public:
     void onImageFormatChange(LLFloaterSnapshotBase* view);
     void applyCustomResolution(LLFloaterSnapshotBase* view, S32 w, S32 h);
     static void onSendingPostcardFinished(LLFloaterSnapshotBase* floater, bool status);
-    bool checkImageSize(LLSnapshotLivePreview* previewp, S32& width, S32& height, bool isWidthChanged, S32 max_value);
+    bool checkImageSize(LLSnapshotLivePreview* previewp, S32& width, S32& height, bool isWidthChanged, S32 max_value) const;
     void setImageSizeSpinnersValues(LLFloaterSnapshotBase *view, S32 width, S32 height);
     void updateSpinners(LLFloaterSnapshotBase* view, LLSnapshotLivePreview* previewp, S32& width, S32& height, bool is_width_changed);
     static void onSnapshotUploadFinished(LLFloaterSnapshotBase* floater, bool status);
-- 
cgit v1.3


From f71fbab66aac13bddd069bdaa0d31156b691911d Mon Sep 17 00:00:00 2001
From: Andrey Kleshchev <117672381+akleshchev@users.noreply.github.com>
Date: Fri, 24 Jul 2026 21:35:32 +0300
Subject: #6040 Minor warnings fixes #2

---
 indra/llrender/llgl.cpp                            |  9 +---
 indra/llui/lltoolbar.cpp                           | 52 ++++++++++++----------
 indra/llui/lltoolbar.h                             |  1 +
 indra/newview/llgltfmateriallist.cpp               |  2 +-
 indra/newview/llimprocessing.cpp                   |  3 +-
 indra/newview/lllogininstance.cpp                  |  2 +
 indra/newview/llpanelgrouproles.cpp                |  6 +++
 indra/newview/llpanellandmedia.cpp                 |  7 ---
 indra/newview/llpanellogin.cpp                     |  2 +
 indra/newview/llpanelsnapshot.cpp                  | 13 +++++-
 indra/newview/llviewerassetstorage.cpp             |  6 +--
 indra/newview/llviewernetwork.cpp                  |  3 +-
 .../skins/default/xui/en/floater_snapshot.xml      |  1 -
 13 files changed, 61 insertions(+), 46 deletions(-)

diff --git a/indra/llrender/llgl.cpp b/indra/llrender/llgl.cpp
index 4584ed1d86..a577a729b0 100644
--- a/indra/llrender/llgl.cpp
+++ b/indra/llrender/llgl.cpp
@@ -1053,11 +1053,6 @@ void LLGLManager::initWGL()
     {
         LL_WARNS("RenderInit") << "No ARB WGL PBuffer extensions" << LL_ENDL;
     }
-
-    if( !glh_init_extensions("WGL_ARB_render_texture") )
-    {
-        LL_WARNS("RenderInit") << "No ARB WGL render texture extensions" << LL_ENDL;
-    }
 #endif
 }
 
@@ -1201,7 +1196,7 @@ bool LLGLManager::initGL()
         }
         if (mVRAM != 0)
         {
-            LL_WARNS("RenderInit") << "VRAM Detected (AMDAssociations):" << mVRAM << LL_ENDL;
+            LL_INFOS("RenderInit") << "VRAM Detected (AMDAssociations):" << mVRAM << LL_ENDL;
         }
     }
     else if (mHasNVXGpuMemoryInfo)
@@ -1212,7 +1207,7 @@ bool LLGLManager::initGL()
 
         if (mVRAM != 0)
         {
-            LL_WARNS("RenderInit") << "VRAM Detected (NVXGpuMemoryInfo):" << mVRAM << LL_ENDL;
+            LL_INFOS("RenderInit") << "VRAM Detected (NVXGpuMemoryInfo):" << mVRAM << LL_ENDL;
         }
     }
 #endif
diff --git a/indra/llui/lltoolbar.cpp b/indra/llui/lltoolbar.cpp
index 785dc85448..2a9bf2585d 100644
--- a/indra/llui/lltoolbar.cpp
+++ b/indra/llui/lltoolbar.cpp
@@ -792,6 +792,11 @@ void LLToolBar::updateLayoutAsNeeded()
     mNeedsLayout = false;
 }
 
+bool LLToolBar::postBuild()
+{
+    mCaretIcon = getChild<LLIconCtrl>("caret");
+    return LLUICtrl::postBuild();
+}
 
 void LLToolBar::draw()
 {
@@ -835,35 +840,36 @@ void LLToolBar::draw()
     LLUI::translate((F32)getRect().mLeft, (F32)getRect().mBottom);
 
     // Position the caret
-    if (!mCaretIcon)
-    {
-        mCaretIcon = getChild<LLIconCtrl>("caret");
-    }
-
-    LLIconCtrl* caret = mCaretIcon;
-    caret->setVisible(false);
-    if (mDragAndDropTarget && !mButtonCommands.empty())
+    // Todo: This shouldn't be on draw, but, as example, on hover
+    if (mCaretIcon)
     {
-        LLRect caret_rect = caret->getRect();
-        if (getOrientation(mSideType) == LLLayoutStack::HORIZONTAL)
-        {
-            caret->setRect(LLRect(mDragx-caret_rect.getWidth()/2+1,
-                                  mDragy,
-                                  mDragx+caret_rect.getWidth()/2+1,
-                                  mDragy-mDragGirth));
-        }
-        else
+        mCaretIcon->setVisible(false);
+        if (mDragAndDropTarget && !mButtonCommands.empty())
         {
-            caret->setRect(LLRect(mDragx,
-                                  mDragy+caret_rect.getHeight()/2,
-                                  mDragx+mDragGirth,
-                                  mDragy-caret_rect.getHeight()/2));
+            LLRect caret_rect = mCaretIcon->getRect();
+            if (getOrientation(mSideType) == LLLayoutStack::HORIZONTAL)
+            {
+                mCaretIcon->setRect(LLRect(mDragx - caret_rect.getWidth() / 2 + 1,
+                    mDragy,
+                    mDragx + caret_rect.getWidth() / 2 + 1,
+                    mDragy - mDragGirth));
+            }
+            else
+            {
+                mCaretIcon->setRect(LLRect(mDragx,
+                    mDragy + caret_rect.getHeight() / 2,
+                    mDragx + mDragGirth,
+                    mDragy - caret_rect.getHeight() / 2));
+            }
+            mCaretIcon->setVisible(true);
         }
-        caret->setVisible(true);
     }
 
     LLUICtrl::draw();
-    caret->setVisible(false);
+    if (mCaretIcon)
+    {
+        mCaretIcon->setVisible(false);
+    }
     mDragAndDropTarget = false;
 }
 
diff --git a/indra/llui/lltoolbar.h b/indra/llui/lltoolbar.h
index abf44f259a..b4fb3fab02 100644
--- a/indra/llui/lltoolbar.h
+++ b/indra/llui/lltoolbar.h
@@ -213,6 +213,7 @@ public:
     };
 
     // virtuals
+    bool postBuild();
     void draw();
     void reshape(S32 width, S32 height, bool called_from_parent = true);
     bool handleRightMouseDown(S32 x, S32 y, MASK mask);
diff --git a/indra/newview/llgltfmateriallist.cpp b/indra/newview/llgltfmateriallist.cpp
index b784419780..4036544343 100644
--- a/indra/newview/llgltfmateriallist.cpp
+++ b/indra/newview/llgltfmateriallist.cpp
@@ -525,7 +525,7 @@ void LLGLTFMaterialList::onAssetLoadComplete(const LLUUID& id, LLAssetType::ETyp
 
     if (status != LL_ERR_NOERR)
     {
-        LL_WARNS("GLTF") << "Error getting material asset data: " << LLAssetStorage::getErrorString(status) << " (" << status << ")" << LL_ENDL;
+        LL_WARNS("GLTF") << "Error getting material asset data: " << LLAssetStorage::getErrorString(status) << " (" << status << ") for asset " << id << LL_ENDL;
         asset_data->mMaterial->materialComplete(false);
         delete asset_data;
     }
diff --git a/indra/newview/llimprocessing.cpp b/indra/newview/llimprocessing.cpp
index 3f60dc5d26..9ba939d35b 100644
--- a/indra/newview/llimprocessing.cpp
+++ b/indra/newview/llimprocessing.cpp
@@ -1582,7 +1582,8 @@ void LLIMProcessing::requestOfflineMessagesCoro(std::string url)
 
     if (!contents.size())
     {
-        LL_WARNS("Messaging") << "No contents received for offline messages via capability " << url << LL_ENDL;
+        // Received no offline messages on login.
+        LL_INFOS("Messaging") << "No contents received for offline messages via capability " << url << LL_ENDL;
         return;
     }
 
diff --git a/indra/newview/lllogininstance.cpp b/indra/newview/lllogininstance.cpp
index 02f013ad3c..2cdaf40be8 100644
--- a/indra/newview/lllogininstance.cpp
+++ b/indra/newview/lllogininstance.cpp
@@ -96,6 +96,8 @@ LLLoginInstance::LLLoginInstance() :
     mDispatcher.add("connect",    "", boost::bind(&LLLoginInstance::handleLoginSuccess, this, _1));
     mDispatcher.add("disconnect", "", boost::bind(&LLLoginInstance::handleDisconnect, this, _1));
     mDispatcher.add("indeterminate", "", boost::bind(&LLLoginInstance::handleIndeterminate, this, _1));
+    // Todo, implement "authenticating"?
+    mDispatcher.add("authenticating", "", boost::bind(&LLLoginInstance::handleIndeterminate, this, _1));
 }
 
 void LLLoginInstance::setPlatformInfo(const std::string platform,
diff --git a/indra/newview/llpanelgrouproles.cpp b/indra/newview/llpanelgrouproles.cpp
index 426a89fe6c..b4adbe0819 100644
--- a/indra/newview/llpanelgrouproles.cpp
+++ b/indra/newview/llpanelgrouproles.cpp
@@ -3233,6 +3233,12 @@ void LLPanelGroupBanListSubTab::setBanCount(U32 ban_count)
 
 void LLPanelGroupBanListSubTab::populateBanList()
 {
+    if (mGroupID.isNull())
+    {
+        mBanList->deleteAllItems();
+        return;
+    }
+
     LLGroupMgrGroupData* gdatap = LLGroupMgr::getInstance()->getGroupData(mGroupID);
     if(!gdatap)
     {
diff --git a/indra/newview/llpanellandmedia.cpp b/indra/newview/llpanellandmedia.cpp
index 294bd4021d..feea97c4a9 100644
--- a/indra/newview/llpanellandmedia.cpp
+++ b/indra/newview/llpanellandmedia.cpp
@@ -135,8 +135,6 @@ void LLPanelLandMedia::refresh()
         mMediaURLEdit->setText(parcel->getMediaURL());
         mMediaURLEdit->setEnabled( false );
 
-        getChild<LLUICtrl>("current_url")->setValue(parcel->getMediaCurrentURL());
-
         mMediaDescEdit->setText(parcel->getMediaDesc());
         mMediaDescEdit->setEnabled( can_change_media );
 
@@ -234,12 +232,9 @@ void LLPanelLandMedia::setMediaURL(const std::string& media_url)
     LLParcel *parcel = mParcel->getParcel();
     if(parcel)
         parcel->setMediaCurrentURL(media_url);
-    // LLViewerMedia::navigateHome();
 
 
     mMediaURLEdit->onCommit();
-    // LLViewerParcelMedia::sendMediaNavigateMessage(media_url);
-    getChild<LLUICtrl>("current_url")->setValue(media_url);
 }
 std::string LLPanelLandMedia::getMediaURL()
 {
@@ -322,8 +317,6 @@ void LLPanelLandMedia::onResetBtn(void *userdata)
     LLParcel* parcel = self->mParcel->getParcel();
     // LLViewerMedia::navigateHome();
     self->refresh();
-    self->getChild<LLUICtrl>("current_url")->setValue(parcel->getMediaURL());
-    // LLViewerParcelMedia::sendMediaNavigateMessage(parcel->getMediaURL());
 
 }
 
diff --git a/indra/newview/llpanellogin.cpp b/indra/newview/llpanellogin.cpp
index 15cc8b421c..65520013aa 100644
--- a/indra/newview/llpanellogin.cpp
+++ b/indra/newview/llpanellogin.cpp
@@ -807,6 +807,8 @@ void LLPanelLogin::onUpdateStartSLURL(const LLSLURL& new_start_slurl)
     case LLSLURL::HOME_LOCATION:
         //location_combo->setCurrentByIndex(0); // home location
         break;
+    case LLSLURL::LAST_LOCATION:
+        break;
 
     default:
         LL_WARNS("AppInit")<<"invalid login slurl, using home"<<LL_ENDL;
diff --git a/indra/newview/llpanelsnapshot.cpp b/indra/newview/llpanelsnapshot.cpp
index 56c0294dbe..d76f19617f 100644
--- a/indra/newview/llpanelsnapshot.cpp
+++ b/indra/newview/llpanelsnapshot.cpp
@@ -64,7 +64,12 @@ bool LLPanelSnapshot::postBuild()
 {
     S32 w = getTypedPreviewWidth();
     S32 h = getTypedPreviewHeight();
-    getChild<LLUICtrl>("save_btn")->setLabelArg("[UPLOAD_COST]", std::to_string(LLAgentBenefitsMgr::current().getTextureUploadCost(w, h)));
+    LLUICtrl *save_btn = findChild<LLUICtrl>("save_btn");
+    if (save_btn)
+    {
+        // Not all snapshot floaters have a save button
+        save_btn->setLabelArg("[UPLOAD_COST]", std::to_string(LLAgentBenefitsMgr::current().getTextureUploadCost(w, h)));
+    }
     getChild<LLUICtrl>(getImageSizeComboName())->setCommitCallback(boost::bind(&LLPanelSnapshot::onResolutionComboCommit, this, _1));
     if (!getWidthSpinnerName().empty())
     {
@@ -193,7 +198,11 @@ void LLPanelSnapshot::updateImageQualityLevel()
         quality_lvl = LLTrans::getString("snapshot_quality_very_high");
     }
 
-    getChild<LLTextBox>("image_quality_level")->setTextArg("[QLVL]", quality_lvl);
+    LLTextBox* quality_lvl_ctrl = getChild<LLTextBox>("image_quality_level");
+    if (quality_lvl_ctrl)
+    {
+        quality_lvl_ctrl->setTextArg("[QLVL]", quality_lvl);
+    }
 }
 
 void LLPanelSnapshot::goBack()
diff --git a/indra/newview/llviewerassetstorage.cpp b/indra/newview/llviewerassetstorage.cpp
index fd462fb225..657fb0ffc1 100644
--- a/indra/newview/llviewerassetstorage.cpp
+++ b/indra/newview/llviewerassetstorage.cpp
@@ -506,7 +506,7 @@ void LLViewerAssetStorage::assetRequestCoro(
 
     if (!gAgent.getRegion()->capabilitiesReceived())
     {
-        LL_WARNS_ONCE("ViewerAsset") << "Waiting for capabilities" << LL_ENDL;
+        LL_INFOS_ONCE("ViewerAsset") << "Waiting for capabilities" << LL_ENDL;
 
         LLEventStream capsRecv("waitForCaps", true);
 
@@ -533,8 +533,8 @@ void LLViewerAssetStorage::assetRequestCoro(
             return;
         }
 
-        LL_WARNS_ONCE("ViewerAsset") << "capsRecv got event" << LL_ENDL;
-        LL_WARNS_ONCE("ViewerAsset") << "region " << gAgent.getRegion() << " mViewerAssetUrl " << mViewerAssetUrl << LL_ENDL;
+        LL_INFOS_ONCE("ViewerAsset") << "capsRecv got event" << LL_ENDL;
+        LL_INFOS_ONCE("ViewerAsset") << "region " << gAgent.getRegion() << " mViewerAssetUrl " << mViewerAssetUrl << LL_ENDL;
     }
     if (mViewerAssetUrl.empty() && gAgent.getRegion())
     {
diff --git a/indra/newview/llviewernetwork.cpp b/indra/newview/llviewernetwork.cpp
index 8ec2a6d661..fb52d0a8e6 100644
--- a/indra/newview/llviewernetwork.cpp
+++ b/indra/newview/llviewernetwork.cpp
@@ -135,7 +135,8 @@ void LLGridManager::initialize(const std::string& grid_file)
 
     LLSD other_grids;
     llifstream llsd_xml;
-    if (!grid_file.empty())
+    // grids.xml is not supplied by default
+    if (!grid_file.empty() && LLFile::isfile(grid_file))
     {
         LL_INFOS("GridManager")<<"Grid configuration file '"<<grid_file<<"'"<<LL_ENDL;
         llsd_xml.open( grid_file.c_str(), std::ios::in | std::ios::binary );
diff --git a/indra/newview/skins/default/xui/en/floater_snapshot.xml b/indra/newview/skins/default/xui/en/floater_snapshot.xml
index acdccdc03a..7f1a59217f 100644
--- a/indra/newview/skins/default/xui/en/floater_snapshot.xml
+++ b/indra/newview/skins/default/xui/en/floater_snapshot.xml
@@ -226,7 +226,6 @@
             Filter:
         </text>
         <combo_box
-            control_name="PhotoFilters"
             follows="left|right|top"
             name="filters_combobox"
             tool_tip="Image filters"
-- 
cgit v1.3


From cf74ead7ad7eec40edb2d01c52bc3994c3850bd0 Mon Sep 17 00:00:00 2001
From: Andrey Kleshchev <117672381+akleshchev@users.noreply.github.com>
Date: Fri, 24 Jul 2026 22:48:37 +0300
Subject: #6040 Fix phantom profile button

"Profile..." haven't existed for over a decade.
"info_btn" was never hooked up.
Group name should already be a clickable LLSLURL
---
 indra/newview/llfloaterland.cpp                    | 30 ----------------------
 indra/newview/llfloaterland.h                      |  2 --
 .../skins/default/xui/en/floater_about_land.xml    | 24 +++--------------
 3 files changed, 3 insertions(+), 53 deletions(-)

diff --git a/indra/newview/llfloaterland.cpp b/indra/newview/llfloaterland.cpp
index 5c5219bcdd..750d218f52 100644
--- a/indra/newview/llfloaterland.cpp
+++ b/indra/newview/llfloaterland.cpp
@@ -466,9 +466,6 @@ bool LLPanelLandGeneral::postBuild()
     mContentRating = getChild<LLTextBox>("ContentRatingText");
     mLandType = getChild<LLTextBox>("LandTypeText");
 
-    mBtnProfile = getChild<LLButton>("Profile...");
-    mBtnProfile->setClickedCallback(boost::bind(&LLPanelLandGeneral::onClickProfile, this));
-
 
     mTextGroupLabel = getChild<LLTextBox>("Group:");
     mTextGroup = getChild<LLTextBox>("GroupText");
@@ -599,8 +596,6 @@ void LLPanelLandGeneral::refresh()
     mTextOwner->setText(LLStringUtil::null);
     mContentRating->setText(LLStringUtil::null);
     mLandType->setText(LLStringUtil::null);
-    mBtnProfile->setLabel(getString("profile_text"));
-    mBtnProfile->setEnabled(false);
 
     mTextClaimDate->setText(LLStringUtil::null);
     mTextGroup->setText(LLStringUtil::null);
@@ -682,7 +677,6 @@ void LLPanelLandGeneral::refresh()
             mTextSalePending->setEnabled(false);
             mTextOwner->setText(getString("public_text"));
             mTextOwner->setEnabled(false);
-            mBtnProfile->setEnabled(false);
             mTextClaimDate->setText(LLStringUtil::null);
             mTextClaimDate->setEnabled(false);
             mTextGroup->setText(getString("none_text"));
@@ -711,21 +705,14 @@ void LLPanelLandGeneral::refresh()
             //refreshNames();
             mTextOwner->setEnabled(true);
 
-            // We support both group and personal profiles
-            mBtnProfile->setEnabled(true);
-
             if (parcel->getGroupID().isNull())
             {
-                // Not group owned, so "Profile"
-                mBtnProfile->setLabel(getString("profile_text"));
 
                 mTextGroup->setText(getString("none_text"));
                 mTextGroup->setEnabled(false);
             }
             else
             {
-                // Group owned, so "Info"
-                mBtnProfile->setLabel(getString("info_text"));
 
                 //mTextGroup->setText("HIPPOS!");//parcel->getGroupName());
                 mTextGroup->setEnabled(true);
@@ -959,23 +946,6 @@ void LLPanelLandGeneral::onClickSetGroup()
     }
 }
 
-void LLPanelLandGeneral::onClickProfile()
-{
-    LLParcel* parcel = mParcel->getParcel();
-    if (!parcel) return;
-
-    if (parcel->getIsGroupOwned())
-    {
-        const LLUUID& group_id = parcel->getGroupID();
-        LLGroupActions::show(group_id);
-    }
-    else
-    {
-        const LLUUID& avatar_id = parcel->getOwnerID();
-        LLAvatarActions::showProfile(avatar_id);
-    }
-}
-
 // public
 void LLPanelLandGeneral::setGroup(const LLUUID& group_id)
 {
diff --git a/indra/newview/llfloaterland.h b/indra/newview/llfloaterland.h
index 8af0caab33..79e5da042f 100644
--- a/indra/newview/llfloaterland.h
+++ b/indra/newview/llfloaterland.h
@@ -146,7 +146,6 @@ public:
     virtual void draw();
 
     void setGroup(const LLUUID& group_id);
-    void onClickProfile();
     void onClickSetGroup();
     static void onClickDeed(void*);
     static void onClickBuyLand(void* data);
@@ -193,7 +192,6 @@ protected:
 
     LLTextBox*      mTextOwnerLabel;
     LLTextBox*      mTextOwner;
-    LLButton*       mBtnProfile;
 
     LLTextBox*      mContentRating;
     LLTextBox*      mLandType;
diff --git a/indra/newview/skins/default/xui/en/floater_about_land.xml b/indra/newview/skins/default/xui/en/floater_about_land.xml
index ffb9c0f78e..eeac4ed25f 100644
--- a/indra/newview/skins/default/xui/en/floater_about_land.xml
+++ b/indra/newview/skins/default/xui/en/floater_about_land.xml
@@ -253,17 +253,9 @@
      image_pressed="Info_Press"
      image_unselected="Info_Over"
      left_pad="3"
-     name="info_btn"
+     name="info_btn_owner"
      top_delta="-2"
      width="16" />
-          <!--  <button
-             follows="left|top"
-             height="23"
-             label="Profile"
-             layout="topleft"
-             left_pad="4"
-             name="Profile..."
-             width="90" />-->
             <text
              type="string"
              length="1"
@@ -272,11 +264,10 @@
              layout="topleft"
              left="10"
              name="Group:"
-             top_pad="7"
+             top_pad="13"
              width="100">
                 Group:
             </text>
-   <!--TODO: HOOK UP GROUP ICON-->
             <text
              follows="left|top"
              height="16"
@@ -287,15 +278,6 @@
              width="240">
                 TestString PleaseIgnore
             </text>
-                 <button
-     follows="right"
-     height="23"
-     image_pressed="Info_Press"
-     image_unselected="Info_Over"
-     left_pad="3"
-     name="info_btn"
-     top_delta="-2"
-     width="16" />
             <button
              follows="left|top"
              height="23"
@@ -305,7 +287,7 @@
              right="-154"
              name="Set..."
              width="90"
-             top_delta="-2"/>
+             top_delta="-5"/>
             <check_box
              enabled="false"
              height="16"
-- 
cgit v1.3


From e5fbe49ff74f09d6cd982764e7913086e8825423 Mon Sep 17 00:00:00 2001
From: Andrey Kleshchev <117672381+akleshchev@users.noreply.github.com>
Date: Sat, 25 Jul 2026 02:38:49 +0300
Subject: #6040 Make apr warnings easier to understand

---
 indra/llcommon/llapr.cpp | 30 ++++++++++++++++++++++++++++--
 1 file changed, 28 insertions(+), 2 deletions(-)

diff --git a/indra/llcommon/llapr.cpp b/indra/llcommon/llapr.cpp
index eeff2694a7..06eb4c389f 100644
--- a/indra/llcommon/llapr.cpp
+++ b/indra/llcommon/llapr.cpp
@@ -231,9 +231,35 @@ bool _ll_apr_warn_status(apr_status_t status, const char* file, int line)
 {
     if(APR_SUCCESS == status) return false;
 #if !LL_LINUX
-    char buf[MAX_STRING];   /* Flawfinder: ignore */
+    char buf[MAX_STRING];
     apr_strerror(status, buf, sizeof(buf));
-    LL_WARNS("APR") << "APR: " << file << ":" << line << " " << buf << LL_ENDL;
+
+#ifdef LL_WINDOWS
+    // On Windows, APR error strings may be in the system's ANSI code page (e.g., Cyrillic)
+    // Convert to UTF-8 for proper logging
+    std::string error_msg = buf;
+    int wlen = MultiByteToWideChar(CP_ACP, 0, buf, -1, nullptr, 0);
+    if (wlen > 0)
+    {
+        std::wstring wbuf(wlen, L'\0');
+        MultiByteToWideChar(CP_ACP, 0, buf, -1, &wbuf[0], wlen);
+
+        int utf8len = WideCharToMultiByte(CP_UTF8, 0, wbuf.c_str(), -1, nullptr, 0, nullptr, nullptr);
+        if (utf8len > 0)
+        {
+            std::string utf8buf(utf8len, '\0');
+            WideCharToMultiByte(CP_UTF8, 0, wbuf.c_str(), -1, &utf8buf[0], utf8len, nullptr, nullptr);
+            error_msg = utf8buf.c_str(); // Remove null terminator
+        }
+        LL_WARNS("APR") << "APR: " << file << ":" << line << " " << error_msg << " (0x" << std::hex << status << std::dec << ")" << LL_ENDL;
+    }
+    else
+    {
+        LL_WARNS("APR") << "APR: " << file << ":" << line << " " << buf << " (0x" << std::hex << status << std::dec << ")" << LL_ENDL;
+    }
+#else
+    LL_WARNS("APR") << "APR: " << file << ":" << line << " " << buf << " (0x" << std::hex << status << std::dec << ")" << LL_ENDL;
+#endif
 #endif
     return true;
 }
-- 
cgit v1.3


From a0e4f187a5cafa104f3e93797cea64c73710c17c Mon Sep 17 00:00:00 2001
From: Hecklezz <tj8@live.com.au>
Date: Mon, 27 Jul 2026 04:29:37 +1000
Subject: Fix LLGroupMgr::removeObserver possibly failing to find and erase
 observers

---
 indra/newview/llgroupmgr.cpp | 10 +++-------
 1 file changed, 3 insertions(+), 7 deletions(-)

diff --git a/indra/newview/llgroupmgr.cpp b/indra/newview/llgroupmgr.cpp
index e0da762279..6081b36918 100644
--- a/indra/newview/llgroupmgr.cpp
+++ b/indra/newview/llgroupmgr.cpp
@@ -869,19 +869,15 @@ void LLGroupMgr::removeObserver(LLGroupMgrObserver* observer)
     {
         return;
     }
-    observer_multimap_t::iterator it;
-    it = mObservers.find(observer->getID());
-    while (it != mObservers.end())
+    observer_multimap_t::iterator it = mObservers.lower_bound(observer->getID());
+    observer_multimap_t::iterator end = mObservers.upper_bound(observer->getID());
+    for (; it != end; ++it)
     {
         if (it->second == observer)
         {
             mObservers.erase(it);
             break;
         }
-        else
-        {
-            ++it;
-        }
     }
 }
 
-- 
cgit v1.3


From bc49cc8b3f5488c56f2664d060712aacb52ab5f4 Mon Sep 17 00:00:00 2001
From: Andrey Kleshchev <117672381+akleshchev@users.noreply.github.com>
Date: Sat, 25 Jul 2026 10:13:42 +0300
Subject: #5994 Add process autokill test

Copilot generated test for testing whether process exits with the app on windows.
---
 indra/llcommon/tests/llprocess_test.cpp | 250 ++++++++++++++++++++++++++++++++
 1 file changed, 250 insertions(+)

diff --git a/indra/llcommon/tests/llprocess_test.cpp b/indra/llcommon/tests/llprocess_test.cpp
index 84f6c131e7..00dcd52d5d 100644
--- a/indra/llcommon/tests/llprocess_test.cpp
+++ b/indra/llcommon/tests/llprocess_test.cpp
@@ -110,6 +110,19 @@ static std::string readfile(const std::string& pathname, const std::string& desc
     return output;
 }
 
+#if LL_WINDOWS
+static std::string readfile_if_present(const std::string& pathname)
+{
+    std::ifstream inf(pathname.c_str());
+    if (!inf.is_open())
+    {
+        return "";
+    }
+    return std::string((std::istreambuf_iterator<char>(inf)),
+                       std::istreambuf_iterator<char>());
+}
+#endif
+
 /// Looping on LLProcess::isRunning() must now be accompanied by pumping
 /// "mainloop" -- otherwise the status won't update and you get an infinite
 /// loop.
@@ -251,6 +264,215 @@ struct PythonProcessLauncher
     NamedExtTempFile mScript;
 };
 
+#if LL_WINDOWS
+namespace
+{
+    static constexpr const char* AUTOKILL_HELPER_SCRIPT_ENV = "LLPROCESS_AUTOKILL_HELPER_SCRIPT";
+    static constexpr const char* AUTOKILL_HELPER_PIDFILE_ENV = "LLPROCESS_AUTOKILL_HELPER_PIDFILE";
+    static constexpr const char* AUTOKILL_HELPER_RELEASE_ENV = "LLPROCESS_AUTOKILL_HELPER_RELEASE";
+    static constexpr const char* AUTOKILL_HELPER_COUNT_ENV = "LLPROCESS_AUTOKILL_HELPER_COUNT";
+    static constexpr int AUTOKILL_HELPER_RELEASE_TIMEOUT_SECONDS = 60;
+    static constexpr int AUTOKILL_HELPER_PID_TIMEOUT_SECONDS = 15;
+    static constexpr DWORD AUTOKILL_HELPER_POLL_INTERVAL_MS = 100;
+    static constexpr DWORD AUTOKILL_CHILD_TERMINATION_TIMEOUT_MS = 5000;
+    static constexpr int AUTOKILL_HELPER_INVALID_ENV_EXIT = 2;
+    static constexpr int AUTOKILL_HELPER_INVALID_COUNT_EXIT = 3;
+    static constexpr int AUTOKILL_HELPER_LAUNCH_FAILURE_EXIT = 4;
+
+    struct ScopedEnvironmentVariable
+    {
+        ScopedEnvironmentVariable(const char* name, const std::string& value):
+            mName(name),
+            mHadValue(false)
+        {
+            DWORD size = GetEnvironmentVariableA(name, nullptr, 0);
+            if (size > 0)
+            {
+                std::vector<char> buffer(size);
+                DWORD copied = GetEnvironmentVariableA(name, buffer.data(), size);
+                if (copied > 0)
+                {
+                    mHadValue = true;
+                    mOldValue.assign(buffer.data(), copied);
+                }
+            }
+            SetEnvironmentVariableA(name, value.c_str());
+        }
+
+        ~ScopedEnvironmentVariable()
+        {
+            SetEnvironmentVariableA(mName.c_str(), mHadValue ? mOldValue.c_str() : nullptr);
+        }
+
+        std::string mName;
+        std::string mOldValue;
+        bool mHadValue;
+    };
+
+    std::string get_current_executable_path()
+    {
+        std::vector<char> buffer(MAX_PATH);
+        for (;;)
+        {
+            DWORD length = GetModuleFileNameA(nullptr, buffer.data(), static_cast<DWORD>(buffer.size()));
+            tut::ensure("GetModuleFileNameA() failed", length > 0);
+            if (length < buffer.size() &&
+                (length < buffer.size() - 1 || buffer[length] == '\0'))
+            {
+                return std::string(buffer.data(), length);
+            }
+            buffer.resize(buffer.size() * 2);
+        }
+    }
+
+    void run_autokill_helper_from_environment()
+    {
+        const std::string script = LLStringUtil::getenv(AUTOKILL_HELPER_SCRIPT_ENV);
+        if (script.empty())
+        {
+            return;
+        }
+
+        const std::string pidfile = LLStringUtil::getenv(AUTOKILL_HELPER_PIDFILE_ENV);
+        const std::string releasefile = LLStringUtil::getenv(AUTOKILL_HELPER_RELEASE_ENV);
+        const std::string countstr = LLStringUtil::getenv(AUTOKILL_HELPER_COUNT_ENV);
+        const std::string python = LLStringUtil::getenv("PYTHON");
+        int child_count = 1;
+        if (!countstr.empty())
+        {
+            try
+            {
+                child_count = std::stoi(countstr);
+            }
+            catch (const std::exception& err)
+            {
+                LL_WARNS("LLProcess") << "Invalid autokill helper child count '"
+                                       << countstr << "': " << err.what() << LL_ENDL;
+                std::exit(AUTOKILL_HELPER_INVALID_COUNT_EXIT);
+            }
+        }
+
+        if (pidfile.empty() || releasefile.empty() || python.empty() || child_count < 1)
+        {
+            std::exit(AUTOKILL_HELPER_INVALID_ENV_EXIT);
+        }
+
+        std::vector<LLProcessPtr> children;
+        children.reserve(child_count);
+        std::ofstream out(pidfile.c_str(), std::ios::trunc);
+        for (int i = 0; i < child_count; ++i)
+        {
+            LLProcess::Params params;
+            params.executable = python;
+            params.args.add(script);
+            params.autokill = true;
+            params.attached = false;
+            LLProcessPtr child = LLProcess::create(params);
+            if (!child)
+            {
+                std::exit(AUTOKILL_HELPER_LAUNCH_FAILURE_EXIT);
+            }
+            children.push_back(child);
+            out << child->getProcessID() << '\n';
+        }
+        out.flush();
+        out.close();
+
+        for (DWORD elapsed_ms = 0;
+             elapsed_ms < AUTOKILL_HELPER_RELEASE_TIMEOUT_SECONDS * 1000;
+             elapsed_ms += AUTOKILL_HELPER_POLL_INTERVAL_MS)
+        {
+            if (readfile_if_present(releasefile) == "exit")
+            {
+                break;
+            }
+            Sleep(AUTOKILL_HELPER_POLL_INTERVAL_MS);
+        }
+
+        // Exit the helper process itself so the job handle closes and Windows
+        // terminates the autokilled children.
+        std::exit(0);
+    }
+
+    std::vector<DWORD> wait_for_helper_pids(
+        const std::string& pidfile,
+        int expected_count,
+        int timeout = AUTOKILL_HELPER_PID_TIMEOUT_SECONDS)
+    {
+        for (int i = 0;
+             i < (timeout * 1000) / static_cast<int>(AUTOKILL_HELPER_POLL_INTERVAL_MS);
+             ++i)
+        {
+            std::ifstream inf(pidfile.c_str());
+            std::vector<DWORD> pids;
+            DWORD pid = 0;
+            while (inf >> pid)
+            {
+                pids.push_back(pid);
+            }
+            if (static_cast<int>(pids.size()) == expected_count)
+            {
+                return pids;
+            }
+            Sleep(AUTOKILL_HELPER_POLL_INTERVAL_MS);
+            LLEventPumps::instance().obtain("mainloop").post(LLSD());
+        }
+        tut::ensure(STRINGIZE("expected " << expected_count
+                                << " child pids within " << timeout
+                                << " seconds"), false);
+        return {};
+    }
+
+    void verify_autokill_on_helper_exit(const std::string& desc, int child_count)
+    {
+        NamedExtTempFile child_script("py",
+            "import time\n"
+            "time.sleep(30)\n");
+        NamedTempFile pidfile("pid", "");
+        NamedTempFile releasefile("release", "");
+
+        ScopedEnvironmentVariable helper_script(AUTOKILL_HELPER_SCRIPT_ENV, child_script.getName());
+        ScopedEnvironmentVariable helper_pidfile(AUTOKILL_HELPER_PIDFILE_ENV, pidfile.getName());
+        ScopedEnvironmentVariable helper_release(AUTOKILL_HELPER_RELEASE_ENV, releasefile.getName());
+        ScopedEnvironmentVariable helper_count(AUTOKILL_HELPER_COUNT_ENV, std::to_string(child_count));
+
+        LLProcess::Params params;
+        params.executable = get_current_executable_path();
+        params.desc = desc + " helper";
+        LLProcessPtr helper = LLProcess::create(params);
+        tut::ensure("helper launched", bool(helper));
+
+        std::vector<DWORD> pids = wait_for_helper_pids(pidfile.getName(), child_count);
+        std::vector<HANDLE> handles;
+        handles.reserve(pids.size());
+        for (DWORD pid : pids)
+        {
+            // SYNCHRONIZE lets the test wait for the child to terminate, while
+            // PROCESS_QUERY_LIMITED_INFORMATION keeps the requested access minimal.
+            HANDLE handle = OpenProcess(SYNCHRONIZE | PROCESS_QUERY_LIMITED_INFORMATION, false, pid);
+            tut::ensure(STRINGIZE("opened child process handle for pid " << pid), handle != nullptr);
+            handles.push_back(handle);
+        }
+
+        {
+            std::ofstream out(releasefile.getName().c_str(), std::ios::trunc);
+            out << "exit";
+        }
+
+        waitfor(*helper);
+        tut::ensure_equals("helper exited", helper->getStatus().mState, LLProcess::EXITED);
+
+        for (HANDLE handle : handles)
+        {
+            tut::ensure_equals("autokilled child exited",
+                               WaitForSingleObject(handle, AUTOKILL_CHILD_TERMINATION_TIMEOUT_MS),
+                               WAIT_OBJECT_0);
+            CloseHandle(handle);
+        }
+    }
+}
+#endif
+
 /// convenience function for PythonProcessLauncher::run()
 template <typename CONTENT>
 static void python(const std::string& desc, const CONTENT& script)
@@ -303,6 +525,13 @@ namespace tut
 {
     struct llprocess_data
     {
+        llprocess_data()
+        {
+#if LL_WINDOWS
+            run_autokill_helper_from_environment();
+#endif
+        }
+
         LLAPRPool pool;
     };
     typedef test_group<llprocess_data> llprocess_group;
@@ -1815,4 +2044,25 @@ namespace tut
                elapsed_ms < 75);
     }
 
+    template<> template<>
+    void object::test<36>()
+    {
+        set_test_name("autokill ensures child termination on parent exit");
+#if !LL_WINDOWS
+        skip("Windows-specific test");
+#else
+        verify_autokill_on_helper_exit(get_test_name(), 1);
+#endif
+    }
+
+    template<> template<>
+    void object::test<37>()
+    {
+        set_test_name("multiple processes with autokill");
+#if !LL_WINDOWS
+        skip("Windows-specific test");
+#else
+        verify_autokill_on_helper_exit(get_test_name(), 2);
+#endif
+    }
 } // namespace tut
-- 
cgit v1.3


From ad14755927626a32f71ddfec1f350c2206eef3a4 Mon Sep 17 00:00:00 2001
From: Andrey Kleshchev <117672381+akleshchev@users.noreply.github.com>
Date: Fri, 24 Jul 2026 23:52:19 +0300
Subject: #5994 Make sure process terminates with the parent

---
 indra/llcommon/llprocess.cpp | 92 +++++++++++++++++++++++++++++++++++++++++++-
 1 file changed, 91 insertions(+), 1 deletion(-)

diff --git a/indra/llcommon/llprocess.cpp b/indra/llcommon/llprocess.cpp
index 730c85ef5f..a71589a2bf 100644
--- a/indra/llcommon/llprocess.cpp
+++ b/indra/llcommon/llprocess.cpp
@@ -63,6 +63,87 @@
 #include <sys/wait.h>
 #endif
 
+#if LL_WINDOWS
+#include <windows.h>
+#include "llwin32headers.h"
+#include <mutex>
+
+namespace {
+    // Global job object that will kill all child processes when parent terminates
+    HANDLE g_jobObject = NULL;
+    bool g_jobObjectInitialized = false;
+    std::mutex g_jobObjectMutex;
+
+    void InitializeJobObject()
+    {
+        if (g_jobObjectInitialized)
+            return;
+        std::lock_guard<std::mutex> lock(g_jobObjectMutex);
+        if (g_jobObjectInitialized)
+            return;
+
+        g_jobObjectInitialized = true;
+
+        // Create a job object
+        g_jobObject = ::CreateJobObjectW(NULL, NULL);
+        if (g_jobObject == NULL)
+        {
+            LL_WARNS("LLProcess") << "Failed to create job object: " << ::GetLastError() << LL_ENDL;
+            return;
+        }
+
+        // Configure the job to kill all processes when the last handle closes
+        // (i.e., when the parent process exits)
+        JOBOBJECT_EXTENDED_LIMIT_INFORMATION jeli = { 0 };
+        jeli.BasicLimitInformation.LimitFlags = JOB_OBJECT_LIMIT_KILL_ON_JOB_CLOSE;
+
+        // Windows 8+ supports nested jobs (for VS studio)
+        jeli.BasicLimitInformation.LimitFlags |= JOB_OBJECT_LIMIT_BREAKAWAY_OK;
+
+        if (!::SetInformationJobObject(g_jobObject, JobObjectExtendedLimitInformation,
+            &jeli, sizeof(jeli)))
+        {
+            LL_WARNS("LLProcess") << "Failed to set job object limits: " << ::GetLastError() << LL_ENDL;
+            ::CloseHandle(g_jobObject);
+            g_jobObject = NULL;
+            return;
+        }
+
+        LL_INFOS("LLProcess") << "Job object created - child processes will terminate with parent" << LL_ENDL;
+    }
+
+    void AssignProcessToJob(HANDLE hProcess, const std::string& desc)
+    {
+        if (!g_jobObjectInitialized)
+            InitializeJobObject();
+
+        if (g_jobObject != NULL)
+        {
+            if (!::AssignProcessToJobObject(g_jobObject, hProcess))
+            {
+                DWORD error = ::GetLastError();
+                // ERROR_ACCESS_DENIED (5) means the process is already in a job
+                // This can happen if the parent viewer is itself in a job
+                if (error == ERROR_ACCESS_DENIED)
+                {
+                    LL_WARNS("LLProcess") << "Autokill requested but process " << desc
+                        << " is already in a job object (ERROR_ACCESS_DENIED)"
+                        << LL_ENDL;
+                }
+                else
+                {
+                    LL_WARNS("LLProcess") << "Failed to assign process " << desc
+                        << " to job object: error " << error << LL_ENDL;
+                }
+            }
+            else
+            {
+                LL_DEBUGS("LLProcess") << "Process " << desc << " assigned to job object" << LL_ENDL;
+            }
+        }
+    }
+}
+#endif
 
 namespace bp = boost::process::v2;
 namespace asio = boost::asio;
@@ -653,7 +734,16 @@ void LLProcess::launch(const LLSDOrParams& params)
                 << ": " << ex.what()));
         }
 
-#if !LL_WINDOWS
+#if LL_WINDOWS
+        // Add the process to the job object so it terminates when parent dies.
+        // This is done for all processes with autokill=true (the default).
+        // Job objects are the Windows-recommended way to ensure child processes
+        // don't become orphaned if the parent crashes or is killed.
+        if (mAutokill && mChild)
+        {
+            AssignProcessToJob(mChild->native_handle(), mDesc);
+        }
+#else
         // boost::process v2 may install a SIGCHLD handler via boost::asio
         // without SA_RESTART when mIOContext is passed to bp::process.
         // Without SA_RESTART, blocking waitpid() calls elsewhere in the
-- 
cgit v1.3


From 1c81813e79c4acc917d75b47117778dd277e5b1f Mon Sep 17 00:00:00 2001
From: Lisa Scheers <lisa+github@scheers.tech>
Date: Mon, 27 Jul 2026 21:35:52 +0200
Subject: #6055 Move texture upload preparation off the main thread (#6031)

---
 indra/llrender/CMakeLists.txt                   |   5 +
 indra/llrender/llimagegl.cpp                    | 309 ++++++++++++++++--------
 indra/llrender/llimagegl.h                      |  17 ++
 indra/llrender/tests/llimagegl_prepare_test.cpp | 118 +++++++++
 indra/newview/llviewertexture.cpp               |  52 +++-
 5 files changed, 395 insertions(+), 106 deletions(-)
 create mode 100644 indra/llrender/tests/llimagegl_prepare_test.cpp

diff --git a/indra/llrender/CMakeLists.txt b/indra/llrender/CMakeLists.txt
index fcd287bbb3..149b50e866 100644
--- a/indra/llrender/CMakeLists.txt
+++ b/indra/llrender/CMakeLists.txt
@@ -106,3 +106,8 @@ target_link_libraries(llrender
         OpenGL::GLU
         )
 
+if (LL_TESTS)
+  include(LLAddBuildTest)
+  set(test_libs llrender llimage)
+  LL_ADD_INTEGRATION_TEST(llimagegl_prepare "" "${test_libs}")
+endif (LL_TESTS)
diff --git a/indra/llrender/llimagegl.cpp b/indra/llrender/llimagegl.cpp
index 4a3d32c7ff..31298b03a3 100644
--- a/indra/llrender/llimagegl.cpp
+++ b/indra/llrender/llimagegl.cpp
@@ -42,6 +42,7 @@
 #include "llwindow.h"
 #include "llframetimer.h"
 #include <unordered_set>
+#include <utility>
 
 extern LL_COMMON_API bool on_main_thread();
 
@@ -541,6 +542,7 @@ void LLImageGL::init(bool usemipmaps, bool allow_compression)
 
     mIsMask = false;
     mNeedsAlphaAndPickMask = true ;
+    mUploadPreparation.reset();
     mAlphaStride = 0 ;
     mAlphaOffset = 0 ;
 
@@ -588,6 +590,7 @@ void LLImageGL::cleanup()
         destroyGLTexture();
     }
     freePickMask();
+    discardUploadPreparation();
 
     mSaveData = NULL; // deletes data
 }
@@ -744,6 +747,32 @@ bool LLImageGL::setImage(const U8* data_in, bool data_hasmips /* = false */, S32
 {
     LL_PROFILE_ZONE_SCOPED_CATEGORY_TEXTURE;
 
+    bool alpha_prepared = false;
+    bool pick_mask_prepared = false;
+    if (mUploadPreparation)
+    {
+        TextureUploadPreparation preparation = std::move(*mUploadPreparation);
+        mUploadPreparation.reset();
+        alpha_prepared = preparation.mAlphaAnalyzed;
+        pick_mask_prepared = preparation.mPickMaskPrepared;
+        if (alpha_prepared)
+        {
+            mIsMask = preparation.mIsMask;
+        }
+
+        if (pick_mask_prepared)
+        {
+            freePickMask();
+            mPickMaskWidth = preparation.mPickMaskWidth;
+            mPickMaskHeight = preparation.mPickMaskHeight;
+            if (!preparation.mPickMask.empty())
+            {
+                mPickMask = new U8[preparation.mPickMask.size()];
+                memcpy(mPickMask, preparation.mPickMask.data(), preparation.mPickMask.size());
+            }
+        }
+    }
+
     const bool is_compressed = isCompressed();
 
     if (mUseMipMaps)
@@ -803,11 +832,14 @@ bool LLImageGL::setImage(const U8* data_in, bool data_hasmips /* = false */, S32
                     }
 
                     LLImageGL::setManualImage(mTarget, gl_level, mFormatInternal, w, h, mFormatPrimary, GL_UNSIGNED_BYTE, (GLvoid*)data_in, mAllowCompression);
-                    if (gl_level == 0)
+                    if (gl_level == 0 && !alpha_prepared)
                     {
                         analyzeAlpha(data_in, w, h);
                     }
-                    updatePickMask(w, h, data_in);
+                    if (!pick_mask_prepared)
+                    {
+                        updatePickMask(w, h, data_in);
+                    }
 
                     if(mFormatSwapBytes)
                     {
@@ -849,10 +881,16 @@ bool LLImageGL::setImage(const U8* data_in, bool data_hasmips /* = false */, S32
                                  w, h,
                                  mFormatPrimary, mFormatType,
                                  data_in, mAllowCompression);
-                    analyzeAlpha(data_in, w, h);
+                    if (!alpha_prepared)
+                    {
+                        analyzeAlpha(data_in, w, h);
+                    }
                     stop_glerror();
 
-                    updatePickMask(w, h, data_in);
+                    if (!pick_mask_prepared)
+                    {
+                        updatePickMask(w, h, data_in);
+                    }
 
                     if(mFormatSwapBytes)
                     {
@@ -950,12 +988,12 @@ bool LLImageGL::setImage(const U8* data_in, bool data_hasmips /* = false */, S32
                         }
 
                         LLImageGL::setManualImage(mTarget, m, mFormatInternal, w, h, mFormatPrimary, mFormatType, cur_mip_data, mAllowCompression);
-                        if (m == 0)
+                        if (m == 0 && !alpha_prepared)
                         {
                             analyzeAlpha(data_in, w, h);
                         }
                         stop_glerror();
-                        if (m == 0)
+                        if (m == 0 && !pick_mask_prepared)
                         {
                             updatePickMask(w, h, cur_mip_data);
                         }
@@ -1007,9 +1045,15 @@ bool LLImageGL::setImage(const U8* data_in, bool data_hasmips /* = false */, S32
 
             LLImageGL::setManualImage(mTarget, 0, mFormatInternal, w, h,
                          mFormatPrimary, mFormatType, (GLvoid *)data_in, mAllowCompression);
-            analyzeAlpha(data_in, w, h);
+            if (!alpha_prepared)
+            {
+                analyzeAlpha(data_in, w, h);
+            }
 
-            updatePickMask(w, h, data_in);
+            if (!pick_mask_prepared)
+            {
+                updatePickMask(w, h, data_in);
+            }
 
             stop_glerror();
 
@@ -2114,6 +2158,153 @@ void LLImageGL::setNeedsAlphaAndPickMask(bool need_mask)
     }
 }
 
+namespace
+{
+bool analyze_alpha_mask(const U8* data, U32 width, U32 height, S32 alpha_stride, S32 alpha_offset)
+{
+    U32 length = width * height;
+    U32 alpha_total = 0;
+    U32 sample[16] = {};
+
+    // Generate a histogram of quantized alpha.
+    // Also add the histogram of a 2x2 box-sampled version. The idea is
+    // to mid-skew the data (and thus reduce the chance of treating it as
+    // a mask) for high-frequency alpha maps, which suffer the worst from
+    // aliasing when used as alpha masks.
+    if (width >= 2 && height >= 2 && width % 2 == 0 && height % 2 == 0)
+    {
+        const U8* row_start = data + alpha_offset;
+        for (U32 y = 0; y < height; y += 2)
+        {
+            const U8* current = row_start;
+            for (U32 x = 0; x < width; x += 2)
+            {
+                const U32 s1 = current[0];
+                alpha_total += s1;
+                const U32 s2 = current[width * alpha_stride];
+                alpha_total += s2;
+                current += alpha_stride;
+                const U32 s3 = current[0];
+                alpha_total += s3;
+                const U32 s4 = current[width * alpha_stride];
+                alpha_total += s4;
+                current += alpha_stride;
+
+                ++sample[s1 / 16];
+                ++sample[s2 / 16];
+                ++sample[s3 / 16];
+                ++sample[s4 / 16];
+
+                const U32 average_sum = s1 + s2 + s3 + s4;
+                alpha_total += average_sum;
+                sample[average_sum / (16 * 4)] += 4;
+            }
+
+            row_start += 2 * width * alpha_stride;
+        }
+        length *= 2; // We sampled everything twice, essentially.
+    }
+    else
+    {
+        const U8* current = data + alpha_offset;
+        for (U32 i = 0; i < length; ++i)
+        {
+            const U32 alpha = *current;
+            alpha_total += alpha;
+            ++sample[alpha / 16];
+            current += alpha_stride;
+        }
+    }
+
+    // Too many mid-range alpha samples make the texture unsuitable for a
+    // 1-bit mask. Likewise, if all samples are clumped in one half of the
+    // range (but not at an absolute extreme), treat that as an intentional
+    // effect rather than a mask.
+    U32 midrange_total = 0;
+    for (U32 i = 2; i < 13; ++i)
+    {
+        midrange_total += sample[i];
+    }
+    U32 lower_half_total = 0;
+    for (U32 i = 0; i < 8; ++i)
+    {
+        lower_half_total += sample[i];
+    }
+    U32 upper_half_total = 0;
+    for (U32 i = 8; i < 16; ++i)
+    {
+        upper_half_total += sample[i];
+    }
+
+    return midrange_total <= length / 48 &&
+           (lower_half_total != length || alpha_total == 0) &&
+           (upper_half_total != length || alpha_total == 255 * length);
+}
+}
+
+LLImageGL::TextureUploadPreparation LLImageGL::prepareForUpload(const LLImageRaw* image)
+{
+    LL_PROFILE_ZONE_NAMED_CATEGORY_TEXTURE("prepare texture upload");
+
+    TextureUploadPreparation result;
+    if (!image || image->isBufferInvalid())
+    {
+        return result;
+    }
+
+    const S32 width = image->getWidth();
+    const S32 height = image->getHeight();
+    const S32 components = image->getComponents();
+    const U8* data = image->getData();
+    if (!data || (components != 1 && components != 2 && components != 4))
+    {
+        return result;
+    }
+
+    if (!sSkipAnalyzeAlpha)
+    {
+        result.mAlphaAnalyzed = true;
+        result.mIsMask = analyze_alpha_mask(data, width, height, components, components - 1);
+    }
+
+    if (components == 4)
+    {
+        const U32 pick_width = (static_cast<U32>(width) + 1) / 2;
+        const U32 pick_height = (static_cast<U32>(height) + 1) / 2;
+        result.mPickMaskPrepared = true;
+        result.mPickMaskWidth = static_cast<U16>(pick_width);
+        result.mPickMaskHeight = static_cast<U16>(pick_height);
+        const U32 bit_count = pick_width * pick_height;
+        result.mPickMask.resize((bit_count + 7) / 8);
+
+        const S32 alpha_offset = components - 1;
+        U32 pick_bit = 0;
+        for (S32 y = 0; y < height; y += 2)
+        {
+            for (S32 x = 0; x < width; x += 2)
+            {
+                if (data[(y * width + x) * components + alpha_offset] > 32)
+                {
+                    result.mPickMask[pick_bit / 8] |= 1 << (pick_bit % 8);
+                }
+                ++pick_bit;
+            }
+        }
+    }
+
+    return result;
+}
+
+void LLImageGL::applyUploadPreparation(TextureUploadPreparation&& preparation)
+{
+    mUploadPreparation = std::make_unique<TextureUploadPreparation>(std::move(preparation));
+}
+
+void LLImageGL::discardUploadPreparation()
+{
+    mUploadPreparation.reset();
+}
+
 void LLImageGL::calcAlphaChannelOffsetAndStride()
 {
     if(mAlphaOffset == INVALID_OFFSET)//do not need alpha mask
@@ -2195,98 +2386,7 @@ void LLImageGL::analyzeAlpha(const void* data_in, U32 w, U32 h)
     }
 
     LL_PROFILE_ZONE_SCOPED_CATEGORY_TEXTURE;
-
-    U32 length = w * h;
-    U32 alphatotal = 0;
-
-    U32 sample[16];
-    memset(sample, 0, sizeof(U32)*16);
-
-    // generate histogram of quantized alpha.
-    // also add-in the histogram of a 2x2 box-sampled version.  The idea is
-    // this will mid-skew the data (and thus increase the chances of not
-    // being used as a mask) from high-frequency alpha maps which
-    // suffer the worst from aliasing when used as alpha masks.
-    if (w >= 2 && h >= 2)
-    {
-        llassert(w % 2 == 0);
-        llassert(h % 2 == 0);
-        const GLubyte* rowstart = ((const GLubyte*) data_in) + mAlphaOffset;
-        for (U32 y = 0; y < h; y += 2)
-        {
-            const GLubyte* current = rowstart;
-            for (U32 x = 0; x < w; x += 2)
-            {
-                const U32 s1 = current[0];
-                alphatotal += s1;
-                const U32 s2 = current[w * mAlphaStride];
-                alphatotal += s2;
-                current += mAlphaStride;
-                const U32 s3 = current[0];
-                alphatotal += s3;
-                const U32 s4 = current[w * mAlphaStride];
-                alphatotal += s4;
-                current += mAlphaStride;
-
-                ++sample[s1/16];
-                ++sample[s2/16];
-                ++sample[s3/16];
-                ++sample[s4/16];
-
-                const U32 asum = (s1+s2+s3+s4);
-                alphatotal += asum;
-                sample[asum/(16*4)] += 4;
-            }
-
-            rowstart += 2 * w * mAlphaStride;
-        }
-        length *= 2; // we sampled everything twice, essentially
-    }
-    else
-    {
-        const GLubyte* current = ((const GLubyte*) data_in) + mAlphaOffset;
-        for (U32 i = 0; i < length; i++)
-        {
-            const U32 s1 = *current;
-            alphatotal += s1;
-            ++sample[s1/16];
-            current += mAlphaStride;
-        }
-    }
-
-    // if more than 1/16th of alpha samples are mid-range, this
-    // shouldn't be treated as a 1-bit mask
-
-    // also, if all of the alpha samples are clumped on one half
-    // of the range (but not at an absolute extreme), then consider
-    // this to be an intentional effect and don't treat as a mask.
-
-    U32 midrangetotal = 0;
-    for (U32 i = 2; i < 13; i++)
-    {
-        midrangetotal += sample[i];
-    }
-    U32 lowerhalftotal = 0;
-    for (U32 i = 0; i < 8; i++)
-    {
-        lowerhalftotal += sample[i];
-    }
-    U32 upperhalftotal = 0;
-    for (U32 i = 8; i < 16; i++)
-    {
-        upperhalftotal += sample[i];
-    }
-
-    if (midrangetotal > length/48 || // lots of midrange, or
-        (lowerhalftotal == length && alphatotal != 0) || // all close to transparent but not all totally transparent, or
-        (upperhalftotal == length && alphatotal != 255*length)) // all close to opaque but not all totally opaque
-    {
-        mIsMask = false; // not suitable for masking
-    }
-    else
-    {
-        mIsMask = true;
-    }
+    mIsMask = analyze_alpha_mask(static_cast<const U8*>(data_in), w, h, mAlphaStride, mAlphaOffset);
 }
 
 //----------------------------------------------------------------------------
@@ -2294,14 +2394,14 @@ U32 LLImageGL::createPickMask(S32 pWidth, S32 pHeight)
 {
     LL_PROFILE_ZONE_SCOPED_CATEGORY_TEXTURE;
     freePickMask();
-    U32 pick_width = pWidth/2 + 1;
-    U32 pick_height = pHeight/2 + 1;
+    U32 pick_width = (static_cast<U32>(pWidth) + 1) / 2;
+    U32 pick_height = (static_cast<U32>(pHeight) + 1) / 2;
 
     U32 size = pick_width * pick_height;
     size = (size + 7) / 8; // pixelcount-to-bits
     mPickMask = new U8[size];
-    mPickMaskWidth = pick_width - 1;
-    mPickMaskHeight = pick_height - 1;
+    mPickMaskWidth = static_cast<U16>(pick_width);
+    mPickMaskHeight = static_cast<U16>(pick_height);
 
     memset(mPickMask, 0, sizeof(U8) * size);
 
@@ -2641,4 +2741,3 @@ void LLImageGLThread::run()
     gGL.shutdown();
     mWindow->destroySharedContext(mContext);
 }
-
diff --git a/indra/llrender/llimagegl.h b/indra/llrender/llimagegl.h
index 6b4492c09e..adff2c6a10 100644
--- a/indra/llrender/llimagegl.h
+++ b/indra/llrender/llimagegl.h
@@ -39,7 +39,9 @@
 #include "llrender.h"
 #include "threadpool.h"
 #include "workqueue.h"
+#include <memory>
 #include <unordered_set>
+#include <vector>
 
 #define LL_IMAGEGL_THREAD_CHECK 0 //set to 1 to enable thread debugging for ImageGL
 
@@ -61,6 +63,16 @@ class LLImageGL : public LLRefCount
 {
     friend class LLTexUnit;
 public:
+    struct TextureUploadPreparation
+    {
+        bool mAlphaAnalyzed = false;
+        bool mIsMask = false;
+        bool mPickMaskPrepared = false;
+        U16 mPickMaskWidth = 0;
+        U16 mPickMaskHeight = 0;
+        std::vector<U8> mPickMask;
+    };
+
 
     // call once per frame
     static void updateClass();
@@ -207,6 +219,10 @@ public:
     virtual void cleanup(); // Clean up the LLImageGL so it can be reinitialized.  Be careful when using this in derived class destructors
 
     void setNeedsAlphaAndPickMask(bool need_mask);
+    bool getNeedsAlphaAndPickMask() const { return mNeedsAlphaAndPickMask; }
+    static TextureUploadPreparation prepareForUpload(const LLImageRaw* image);
+    void applyUploadPreparation(TextureUploadPreparation&& preparation);
+    void discardUploadPreparation();
 
 #if LL_IMAGEGL_THREAD_CHECK
     // thread debugging
@@ -242,6 +258,7 @@ private:
 
     bool mIsMask;
     bool mNeedsAlphaAndPickMask;
+    std::unique_ptr<TextureUploadPreparation> mUploadPreparation;
     S8   mAlphaStride ;
     S8   mAlphaOffset ;
 
diff --git a/indra/llrender/tests/llimagegl_prepare_test.cpp b/indra/llrender/tests/llimagegl_prepare_test.cpp
new file mode 100644
index 0000000000..96df21bcc5
--- /dev/null
+++ b/indra/llrender/tests/llimagegl_prepare_test.cpp
@@ -0,0 +1,118 @@
+/**
+ * @file llimagegl_prepare_test.cpp
+ * @brief Tests for CPU-side texture upload preparation.
+ *
+ * $LicenseInfo:firstyear=2026&license=viewerlgpl$
+ * Second Life Viewer Source Code
+ * Copyright (C) 2026, Linden Research, Inc.
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation;
+ * version 2.1 of the License only.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
+ *
+ * Linden Research, Inc., 945 Battery Street, San Francisco, CA  94111  USA
+ * $/LicenseInfo$
+ */
+
+#include "linden_common.h"
+
+#include "../test/lltut.h"
+
+#include "llimage.h"
+#include "llimagegl.h"
+
+namespace tut
+{
+    struct llimagegl_prepare_data
+    {
+        static LLPointer<LLImageRaw> make_image(U16 width, U16 height, S8 components)
+        {
+            LLPointer<LLImageRaw> image = new LLImageRaw(width, height, components);
+            memset(image->getData(), 0, image->getDataSize());
+            return image;
+        }
+    };
+
+    typedef test_group<llimagegl_prepare_data> llimagegl_prepare_test;
+    typedef llimagegl_prepare_test::object llimagegl_prepare_object;
+    llimagegl_prepare_test llimagegl_prepare_test_factory("LLImageGL upload preparation");
+
+    template<> template<>
+    void llimagegl_prepare_object::test<1>()
+    {
+        LLPointer<LLImageRaw> image = make_image(3, 5, 4);
+        U8* data = image->getData();
+        for (S32 y = 0; y < image->getHeight(); y += 2)
+        {
+            data[(y * image->getWidth()) * image->getComponents() + 3] = 255;
+        }
+
+        LLImageGL::TextureUploadPreparation result = LLImageGL::prepareForUpload(image);
+
+        ensure("alpha analysis is prepared", result.mAlphaAnalyzed);
+        ensure("binary alpha is classified as a mask", result.mIsMask);
+        ensure("RGBA pick mask is prepared", result.mPickMaskPrepared);
+        ensure_equals("odd width uses ceiling half-width", result.mPickMaskWidth, U16(2));
+        ensure_equals("odd height uses ceiling half-height", result.mPickMaskHeight, U16(3));
+        ensure_equals("alternating pick bits", result.mPickMask[0], U8(0x15));
+    }
+
+    template<> template<>
+    void llimagegl_prepare_object::test<2>()
+    {
+        LLPointer<LLImageRaw> image = make_image(15, 2, 4);
+        U8* data = image->getData();
+        for (S32 x = 0; x < image->getWidth(); x += 4)
+        {
+            data[x * image->getComponents() + 3] = 255;
+        }
+
+        LLImageGL::TextureUploadPreparation result = LLImageGL::prepareForUpload(image);
+
+        ensure("RGBA pick mask is prepared", result.mPickMaskPrepared);
+        ensure_equals("pick width matches samples written", result.mPickMaskWidth, U16(8));
+        ensure_equals("pick height matches samples written", result.mPickMaskHeight, U16(1));
+        ensure_equals("exactly eight bits need one byte", result.mPickMask.size(), size_t(1));
+        ensure_equals("all eight sample positions map correctly", result.mPickMask[0], U8(0x55));
+    }
+
+    template<> template<>
+    void llimagegl_prepare_object::test<3>()
+    {
+        LLPointer<LLImageRaw> image = make_image(3, 3, 2);
+        U8* data = image->getData();
+        for (S32 pixel = 0; pixel < image->getWidth() * image->getHeight(); ++pixel)
+        {
+            data[pixel * image->getComponents() + 1] = 255;
+        }
+
+        LLImageGL::TextureUploadPreparation result = LLImageGL::prepareForUpload(image);
+
+        ensure("luminance-alpha analysis is prepared", result.mAlphaAnalyzed);
+        ensure("opaque alpha is classified as a mask", result.mIsMask);
+        ensure("unsupported pick-mask layout falls back to setImage", !result.mPickMaskPrepared);
+        ensure("no unsupported pick-mask data is produced", result.mPickMask.empty());
+    }
+
+    template<> template<>
+    void llimagegl_prepare_object::test<4>()
+    {
+        LLPointer<LLImageRaw> image = make_image(2, 2, 3);
+
+        LLImageGL::TextureUploadPreparation result = LLImageGL::prepareForUpload(image);
+
+        ensure("RGB has no alpha preparation", !result.mAlphaAnalyzed);
+        ensure("RGB has no pick-mask preparation", !result.mPickMaskPrepared);
+        ensure("RGB has no prepared pick-mask data", result.mPickMask.empty());
+    }
+}
diff --git a/indra/newview/llviewertexture.cpp b/indra/newview/llviewertexture.cpp
index 0f23596c9a..db20658497 100644
--- a/indra/newview/llviewertexture.cpp
+++ b/indra/newview/llviewertexture.cpp
@@ -63,6 +63,8 @@
 #include "lltexturecache.h"
 #include "llviewerwindow.h"
 #include "llwindow.h"
+
+#include <utility>
 ///////////////////////////////////////////////////////////////////////////////
 
 // statics
@@ -1581,6 +1583,7 @@ bool LLViewerFetchedTexture::createTexture(S32 usename/*= 0*/)
 void LLViewerFetchedTexture::postCreateTexture()
 {
     LL_PROFILE_ZONE_SCOPED_CATEGORY_TEXTURE;
+    mGLTexturep->discardUploadPreparation();
     if (!mNeedsCreateTexture)
     {
         return;
@@ -1679,6 +1682,54 @@ void LLViewerFetchedTexture::scheduleCreateTexture()
                         unref();
                     });
             }
+            else if (!mGLTexturep->getHasExplicitFormat() &&
+                     mGLTexturep->getNeedsAlphaAndPickMask() &&
+                     mRawImage->getComponents() != 3)
+            {
+                auto main_queue = mMainQueue.lock();
+                auto general_queue = LL::WorkQueue::getInstance("General");
+                if (main_queue && general_queue)
+                {
+                    LLPointer<LLImageRaw> raw_image = mRawImage;
+                    ref();
+                    const bool posted = main_queue->postTo(
+                        general_queue,
+                        [raw_image]()
+                        {
+                            return LLImageGL::prepareForUpload(raw_image);
+                        },
+                        [this, raw_image](LLImageGL::TextureUploadPreparation preparation)
+                        {
+                            if (mNeedsCreateTexture)
+                            {
+                                if (mRawImage == raw_image)
+                                {
+                                    mGLTexturep->applyUploadPreparation(std::move(preparation));
+                                }
+                                if (!mCreatePending)
+                                {
+                                    mCreatePending = true;
+                                    gTextureList.mCreateTextureList.push(this);
+                                }
+                            }
+                            unref();
+                        });
+                    if (!posted)
+                    {
+                        unref();
+                        if (!mCreatePending)
+                        {
+                            mCreatePending = true;
+                            gTextureList.mCreateTextureList.push(this);
+                        }
+                    }
+                }
+                else if (!mCreatePending)
+                {
+                    mCreatePending = true;
+                    gTextureList.mCreateTextureList.push(this);
+                }
+            }
             else
             {
                 if (!mCreatePending)
@@ -4108,4 +4159,3 @@ void LLTexturePipelineTester::LLTextureTestSession::reset()
 //----------------------------------------------------------------------------------------------
 //end of LLTexturePipelineTester
 //----------------------------------------------------------------------------------------------
-
-- 
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