Backported possible crash fix while changing graphics settings from 1.22

1 files changed, 12 insertions, 0 deletions

diff --git a/linden/indra/newview/pipeline.cpp b/linden/indra/newview/pipeline.cpp
index 3523635..e7db166 100644
--- a/linden/indra/newview/pipeline.cpp
+++ b/linden/indra/newview/pipeline.cpp
@@ -2665,6 +2665,18 @@ void LLPipeline::renderForSelect(std::set<LLViewerObject*>& objects, BOOL render
         LLGLState::checkClientArrays();
         U32 last_type = 0;
         
+        // If we don't do this, we crash something on changing graphics settings
+        // from Medium -> Low, because we unload all the shaders and the 
+        // draw pools aren't aware.  I don't know if this has to be a separate
+        // loop before actual rendering. JC
+        for (pool_set_t::iterator iter = mPools.begin(); iter != mPools.end(); ++iter)
+        {
+                LLDrawPool *poolp = *iter;
+                if (poolp->isFacePool() && hasRenderType(poolp->getType()))
+                {
+                        poolp->prerender();
+                }
+        }
         for (pool_set_t::iterator iter = mPools.begin(); iter != mPools.end(); ++iter)
         {
                 LLDrawPool *poolp = *iter;