Merge remote-tracking branch 'secondlife/release/2024.09-ExtraFPS' into 2024.09-ExtraFPS

3 files changed, 38 insertions, 30 deletions

diff --git a/indra/newview/app_settings/settings.xml b/indra/newview/app_settings/settings.xml
index a69c09d696..66813e8a67 100644
--- a/indra/newview/app_settings/settings.xml
+++ b/indra/newview/app_settings/settings.xml
@@ -9364,6 +9364,17 @@
     <key>Value</key>
     <real>4.0</real>
   </map>
+  <key>RenderUseExposureSkySettings</key>
+  <map>
+    <key>Comment</key>
+    <string>Use exposure sky settings instead of deriving from HDR scale.</string>
+    <key>Persist</key>
+    <integer>0</integer>
+    <key>Type</key>
+    <string>Boolean</string>
+    <key>Value</key>
+    <integer>0</integer>
+  </map>
   <key>RenderDynamicExposureCoefficient</key>
   <map>
     <key>Comment</key>
diff --git a/indra/newview/llviewertexture.cpp b/indra/newview/llviewertexture.cpp
index 14647d6f84..36b6787ace 100644
--- a/indra/newview/llviewertexture.cpp
+++ b/indra/newview/llviewertexture.cpp
@@ -582,31 +582,9 @@ void LLViewerTexture::updateClass()
         {
             if (!was_backgrounded)
             {
-                std::string notification_name;
-                std::string setting;
-                if (is_minimized)
-                {
-                    notification_name = "TextureDiscardMinimized";
-                    setting           = "TextureDiscardMinimizedTime";
-                }
-                else
-                {
-                    notification_name = "TextureDiscardBackgrounded";
-                    setting           = "TextureDiscardBackgroundedTime";
-                }
-
                 LL_INFOS() << "Viewer was " << (is_minimized ? "minimized" : "backgrounded") << " for " << discard_time
                            << "s, freeing up video memory." << LL_ENDL;
 
-                LLNotificationsUtil::add(notification_name, llsd::map("DELAY", discard_time), LLSD(),
-                                         [=](const LLSD& notification, const LLSD& response)
-                                         {
-                                             if (response["Cancel_okcancelignore"].asBoolean())
-                                             {
-                                                 LL_INFOS() << "User chose to disable texture discard on " <<  (is_minimized ? "minimizing." : "backgrounding.") << LL_ENDL;
-                                                 gSavedSettings.setF32(setting, -1.f);
-                                             }
-                                         });
                 last_desired_discard_bias = sDesiredDiscardBias;
                 was_backgrounded = true;
             }
diff --git a/indra/newview/pipeline.cpp b/indra/newview/pipeline.cpp
index 47c2f2ffa9..85af326005 100644
--- a/indra/newview/pipeline.cpp
+++ b/indra/newview/pipeline.cpp
@@ -7119,18 +7119,37 @@ void LLPipeline::generateExposure(LLRenderTarget* src, LLRenderTarget* dst, bool
         LLSettingsSky::ptr_t sky = LLEnvironment::instance().getCurrentSky();
 
         F32 probe_ambiance = LLEnvironment::instance().getCurrentSky()->getReflectionProbeAmbiance(should_auto_adjust);
-        F32 exp_min = sky->getHDRMin();
-        F32 exp_max = sky->getHDRMax();
 
-        if (dynamic_exposure_enabled)
+        F32 exp_min = 1.f;
+        F32 exp_max = 1.f;
+
+        static LLCachedControl<bool> use_exposure_sky_settings(gSavedSettings, "RenderUseExposureSkySettings", false);
+
+        if (use_exposure_sky_settings)
         {
-            exp_min = sky->getHDROffset() - exp_min;
-            exp_max = sky->getHDROffset() + exp_max;
+            if (dynamic_exposure_enabled)
+            {
+                exp_min = sky->getHDROffset() - sky->getHDRMin();
+                exp_max = sky->getHDROffset() + sky->getHDRMax();
+            }
+            else
+            {
+                exp_min = sky->getHDROffset();
+                exp_max = sky->getHDROffset();
+            }
         }
-        else
+        else if (dynamic_exposure_enabled)
         {
-            exp_min = sky->getHDROffset();
-            exp_max = sky->getHDROffset();
+            if (probe_ambiance > 0.f)
+            {
+                F32 hdr_scale = sqrtf(LLEnvironment::instance().getCurrentSky()->getGamma()) * 2.f;
+
+                if (hdr_scale > 1.f)
+                {
+                    exp_min = 1.f / hdr_scale;
+                    exp_max = hdr_scale;
+                }
+            }
         }
 
         shader->uniform1f(dt, gFrameIntervalSeconds);