SL-19567: (WIP) Add options to use higher precision for glow and post-process buffers. Disabled by default.

3 files changed, 30 insertions, 2 deletions

diff --git a/indra/newview/app_settings/settings.xml b/indra/newview/app_settings/settings.xml
index 09eda2534c..9f3a5bd5b9 100644
--- a/indra/newview/app_settings/settings.xml
+++ b/indra/newview/app_settings/settings.xml
@@ -9340,6 +9340,17 @@
     <key>Value</key>
     <integer>0</integer>
   </map>
+  <key>RenderPostProcessingHDR</key>
+  <map>
+    <key>Comment</key>
+    <string>Enable HDR for post processing buffer</string>
+    <key>Persist</key>
+    <integer>1</integer>
+    <key>Type</key>
+    <string>Boolean</string>
+    <key>Value</key>
+    <integer>0</integer>
+  </map>
   <key>RenderMaxOpenGLVersion</key>
   <map>
     <key>Comment</key>
@@ -10155,6 +10166,17 @@
       <key>Value</key>
       <integer>9</integer>
     </map>
+    <key>RenderGlowHDR</key>
+    <map>
+      <key>Comment</key>
+      <string>Enable HDR for glow map</string>
+      <key>Persist</key>
+      <integer>1</integer>
+      <key>Type</key>
+      <string>Boolean</string>
+      <key>Value</key>
+      <integer>0</integer>
+    </map>
     <key>RenderGlowStrength</key>
     <map>
       <key>Comment</key>
diff --git a/indra/newview/llviewercontrol.cpp b/indra/newview/llviewercontrol.cpp
index aae4409167..9707a2a7e6 100644
--- a/indra/newview/llviewercontrol.cpp
+++ b/indra/newview/llviewercontrol.cpp
@@ -700,6 +700,7 @@ void settings_setup_listeners()
     setting_setup_signal_listener(gSavedSettings, "RenderUIBuffer", handleWindowResized);
     setting_setup_signal_listener(gSavedSettings, "RenderDepthOfField", handleReleaseGLBufferChanged);
     setting_setup_signal_listener(gSavedSettings, "RenderFSAASamples", handleReleaseGLBufferChanged);
+    setting_setup_signal_listener(gSavedSettings, "RenderPostProcessingHDR", handleReleaseGLBufferChanged);
     setting_setup_signal_listener(gSavedSettings, "RenderSpecularResX", handleLUTBufferChanged);
     setting_setup_signal_listener(gSavedSettings, "RenderSpecularResY", handleLUTBufferChanged);
     setting_setup_signal_listener(gSavedSettings, "RenderSpecularExponent", handleLUTBufferChanged);
@@ -708,6 +709,7 @@ void settings_setup_listeners()
     setting_setup_signal_listener(gSavedSettings, "RenderGlow", handleReleaseGLBufferChanged);
     setting_setup_signal_listener(gSavedSettings, "RenderGlow", handleSetShaderChanged);
     setting_setup_signal_listener(gSavedSettings, "RenderGlowResolutionPow", handleReleaseGLBufferChanged);
+    setting_setup_signal_listener(gSavedSettings, "RenderGlowHDR", handleReleaseGLBufferChanged);
     setting_setup_signal_listener(gSavedSettings, "RenderGammaFull", handleSetShaderChanged);
     setting_setup_signal_listener(gSavedSettings, "RenderVolumeLODFactor", handleVolumeLODChanged);
     setting_setup_signal_listener(gSavedSettings, "RenderAvatarLODFactor", handleAvatarLODChanged);
diff --git a/indra/newview/pipeline.cpp b/indra/newview/pipeline.cpp
index 0c767e7767..4183990261 100644
--- a/indra/newview/pipeline.cpp
+++ b/indra/newview/pipeline.cpp
@@ -840,7 +840,9 @@ bool LLPipeline::allocateScreenBuffer(U32 resX, U32 resY, U32 samples)
         mSceneMap.allocate(resX, resY, GL_RGB, true);
     }
 
-    mPostMap.allocate(resX, resY, GL_RGBA);
+	const bool post_hdr = gSavedSettings.getBOOL("RenderPostProcessingHDR");
+    const U32 post_color_fmt = post_hdr ? GL_RGBA16F : GL_RGBA;
+    mPostMap.allocate(resX, resY, post_color_fmt);
 
     //HACK make screenbuffer allocations start failing after 30 seconds
     if (gSavedSettings.getBOOL("SimulateFBOFailure"))
@@ -1163,9 +1165,11 @@ void LLPipeline::createGLBuffers()
 
     // allocate screen space glow buffers
     const U32 glow_res = llmax(1, llmin(512, 1 << gSavedSettings.getS32("RenderGlowResolutionPow")));
+	const bool glow_hdr = gSavedSettings.getBOOL("RenderGlowHDR");
+    const U32 glow_color_fmt = glow_hdr ? GL_RGBA16F : GL_RGBA;
     for (U32 i = 0; i < 3; i++)
     {
-        mGlow[i].allocate(512, glow_res, GL_RGBA);
+        mGlow[i].allocate(512, glow_res, glow_color_fmt);
     }
 
     allocateScreenBuffer(resX, resY);