Switch from GL_RGB16F to GL_R11F_G11F_B10F for probes (#3562)

* #3561 Switch from GL_RGB16F to GL_R11F_G11F_B10F for reflection probes to help reduce memory bandwidth and VRAM pressure.

1 files changed, 2 insertions, 2 deletions

diff --git a/indra/newview/llreflectionmapmanager.cpp b/indra/newview/llreflectionmapmanager.cpp
index 4760ab376e..9a20977652 100644
--- a/indra/newview/llreflectionmapmanager.cpp
+++ b/indra/newview/llreflectionmapmanager.cpp
@@ -227,7 +227,7 @@ void LLReflectionMapManager::update()
 
     if (!mRenderTarget.isComplete())
     {
-        U32 color_fmt = render_hdr ? GL_RGBA16F : GL_RGBA8;
+        U32 color_fmt = render_hdr ? GL_R11F_G11F_B10F : GL_RGB8;
         U32 targetRes = mProbeResolution * 4; // super sample
         mRenderTarget.allocate(targetRes, targetRes, color_fmt, true);
     }
@@ -240,7 +240,7 @@ void LLReflectionMapManager::update()
         mMipChain.resize(count);
         for (U32 i = 0; i < count; ++i)
         {
-            mMipChain[i].allocate(res, res, render_hdr ? GL_RGB16F : GL_RGB8);
+            mMipChain[i].allocate(res, res, render_hdr ? GL_R11F_G11F_B10F : GL_RGB8);
             res /= 2;
         }
     }