Use LLCachedControl in render path

Author: Ansariel

indra/newview/pipeline.cpp

@@ -790,7 +790,8 @@ bool LLPipeline::allocateScreenBufferInternal(U32 resX, U32 resY)
 {
     LL_PROFILE_ZONE_SCOPED_CATEGORY_DISPLAY;
 
-    bool hdr = gGLManager.mGLVersion > 4.05f && gSavedSettings.getBOOL("RenderHDREnabled");
+    static LLCachedControl<bool> render_hdr(gSavedSettings, "RenderHDREnabled", true);
+    bool hdr = gGLManager.mGLVersion > 4.05f && render_hdr;
 
     if (mRT == &mMainRT)
     { // hacky -- allocate auxillary buffer
@@ -906,7 +907,8 @@ bool LLPipeline::allocateScreenBufferInternal(U32 resX, U32 resY)
         mBakeMap.allocate(LLAvatarAppearanceDefines::SCRATCH_TEX_WIDTH, LLAvatarAppearanceDefines::SCRATCH_TEX_HEIGHT, GL_RGBA);
     }
     //HACK make screenbuffer allocations start failing after 30 seconds
-    if (gSavedSettings.getBOOL("SimulateFBOFailure"))
+    static LLCachedControl<bool> simulate_fbo_failure(gSavedSettings, "SimulateFBOFailure", false);
+    if (simulate_fbo_failure)
     {
         return false;
     }