SL-16841 Skip rendering shadows when decreasing shadow detail setting to avoid stalls

1 files changed, 25 insertions, 8 deletions

diff --git a/indra/newview/pipeline.cpp b/indra/newview/pipeline.cpp
index 96dd0b895d..c895c8a227 100644
--- a/indra/newview/pipeline.cpp
+++ b/indra/newview/pipeline.cpp
@@ -10215,14 +10215,7 @@ void LLPipeline::generateSunShadow(LLCamera& camera)
 
 	if (mSunDiffuse == LLColor4::black)
 	{ //sun diffuse is totally black, shadows don't matter
-		LLGLDepthTest depth(GL_TRUE);
-
-		for (S32 j = 0; j < 4; j++)
-		{
-			mShadow[j].bindTarget();
-			mShadow[j].clear();
-			mShadow[j].flush();
-		}
+        skipRenderingShadows();
 	}
 	else
 	{
@@ -11430,6 +11423,30 @@ void LLPipeline::restoreHiddenObject( const LLUUID& id )
 	}
 }
 
+void LLPipeline::skipRenderingShadows()
+{
+    LLGLDepthTest depth(GL_TRUE);
+
+    for (S32 j = 0; j < 4; j++)
+    {
+        mShadow[j].bindTarget();
+        mShadow[j].clear();
+        mShadow[j].flush();
+    }
+}
+
+void LLPipeline::handleShadowDetailChanged()
+{
+    if (RenderShadowDetail > gSavedSettings.getS32("RenderShadowDetail"))
+    {
+        skipRenderingShadows();
+    }
+    else
+    {
+        LLViewerShaderMgr::instance()->setShaders();
+    }
+}
+
 const F32 MIN_DRAW_DISTANCE = 64;
 const F32 MAX_DRAW_DISTANCE = 256;