1 files changed, 43 insertions, 2 deletions

diff --git a/indra/llui/llbutton.cpp b/indra/llui/llbutton.cpp
index 30968225a8..3df7f83d49 100644
--- a/indra/llui/llbutton.cpp
+++ b/indra/llui/llbutton.cpp
@@ -120,8 +120,9 @@ LLButton::Params::Params()
 
 
 LLButton::LLButton(const LLButton::Params& p)
-:   LLUICtrl(p),
+    : LLUICtrl(p),
     LLBadgeOwner(getHandle()),
+    mFontBuffer(false),
     mMouseDownFrame(0),
     mMouseHeldDownCount(0),
     mBorderEnabled( false ),
@@ -329,6 +330,30 @@ void LLButton::onCommit()
     LLUICtrl::onCommit();
 }
 
+void LLButton::setUnselectedLabelColor(const LLUIColor& c)
+{
+    mUnselectedLabelColor = c;
+    mFontBuffer.reset();
+}
+
+void LLButton::setSelectedLabelColor(const LLUIColor& c)
+{
+    mSelectedLabelColor = c;
+    mFontBuffer.reset();
+}
+
+void LLButton::setUseEllipses(bool use_ellipses)
+{
+    mUseEllipses = use_ellipses;
+    mFontBuffer.reset();
+}
+
+void LLButton::setUseFontColor(bool use_font_color)
+{
+    mUseFontColor = use_font_color;
+    mFontBuffer.reset();
+}
+
 boost::signals2::connection LLButton::setClickedCallback(const CommitCallbackParam& cb)
 {
     return setClickedCallback(initCommitCallback(cb));
@@ -396,6 +421,15 @@ bool LLButton::postBuild()
     return LLUICtrl::postBuild();
 }
 
+void LLButton::onVisibilityChange(bool new_visibility)
+{
+    if (!new_visibility)
+    {
+        mFontBuffer.reset();
+    }
+    return LLUICtrl::onVisibilityChange(new_visibility);
+}
+
 bool LLButton::handleUnicodeCharHere(llwchar uni_char)
 {
     bool handled = false;
@@ -954,7 +988,7 @@ void LLButton::draw()
         // LLFontGL::render expects S32 max_chars variable but process in a separate way -1 value.
         // Due to U32_MAX is equal to S32 -1 value I have rest this value for non-ellipses mode.
         // Not sure if it is really needed. Probably S32_MAX should be always passed as max_chars.
-        mLastDrawCharsCount = mGLFont->render(label, 0,
+        mLastDrawCharsCount = mFontBuffer.render(mGLFont, label, 0,
             (F32)x,
             (F32)(getRect().getHeight() / 2 + mBottomVPad),
             label_color % alpha,
@@ -996,6 +1030,7 @@ void LLButton::setToggleState(bool b)
         setFlashing(false); // stop flash state whenever the selected/unselected state if reset
         // Unselected label assignments
         autoResize();
+        mFontBuffer.reset();
     }
 }
 
@@ -1025,11 +1060,13 @@ bool LLButton::toggleState()
 void LLButton::setLabel( const std::string& label )
 {
     mUnselectedLabel = mSelectedLabel = label;
+    mFontBuffer.reset();
 }
 
 void LLButton::setLabel( const LLUIString& label )
 {
     mUnselectedLabel = mSelectedLabel = label;
+    mFontBuffer.reset();
 }
 
 void LLButton::setLabel( const LLStringExplicit& label )
@@ -1043,17 +1080,20 @@ bool LLButton::setLabelArg( const std::string& key, const LLStringExplicit& text
 {
     mUnselectedLabel.setArg(key, text);
     mSelectedLabel.setArg(key, text);
+    mFontBuffer.reset();
     return true;
 }
 
 void LLButton::setLabelUnselected( const LLStringExplicit& label )
 {
     mUnselectedLabel = label;
+    mFontBuffer.reset();
 }
 
 void LLButton::setLabelSelected( const LLStringExplicit& label )
 {
     mSelectedLabel = label;
+    mFontBuffer.reset();
 }
 
 bool LLButton::labelIsTruncated() const
@@ -1113,6 +1153,7 @@ void LLButton::resize(const LLUIString& label)
         if (btn_width < min_width)
         {
             reshape(min_width, getRect().getHeight());
+            mFontBuffer.reset();
         }
     }
 }