Merge pull request #556 from secondlife/davep/SL-20611

SL-20611 Make haze effect local lights.  Incidental fix for EventPump coroutine sometimes doing unsafe work mid-render.

1 files changed, 11 insertions, 1 deletions

diff --git a/indra/newview/llsettingsvo.cpp b/indra/newview/llsettingsvo.cpp
index 42587658a6..7009fb98ab 100644
--- a/indra/newview/llsettingsvo.cpp
+++ b/indra/newview/llsettingsvo.cpp
@@ -63,6 +63,7 @@
 #include <boost/algorithm/string/replace.hpp>
 #include "llinventoryobserver.h"
 #include "llinventorydefines.h"
+#include "llworld.h"
 
 #include "lltrans.h"
 
@@ -983,12 +984,21 @@ void LLSettingsVOWater::applySpecial(void *ptarget, bool force)
 
     LLEnvironment& env = LLEnvironment::instance();
 
-    auto group = LLGLSLShader::SG_WATER;
+    auto group = LLGLSLShader::SG_ANY;
     LLShaderUniforms* shader = &((LLShaderUniforms*)ptarget)[group];
     
 	{
         F32 water_height = env.getWaterHeight();
 
+        if (LLViewerCamera::instance().cameraUnderWater())
+        { // when the camera is under water, use the water height at the camera position
+            LLViewerRegion* region = LLWorld::instance().getRegionFromPosAgent(LLViewerCamera::instance().getOrigin());
+            if (region)
+            {
+                water_height = region->getWaterHeight();
+            }
+        }
+
         //transform water plane to eye space
         glh::vec3f norm(0.f, 0.f, 1.f);
         glh::vec3f p(0.f, 0.f, water_height);