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authorDave Parks <davep@lindenlab.com>2011-06-23 23:06:36 -0500
committerDave Parks <davep@lindenlab.com>2011-06-23 23:06:36 -0500
commit253642ccff9b08da5e62449ff62b23e986dcb77d (patch)
tree1118351f770d4b07c720527bf02c74e1bfd26c29 /indra/newview/llvovolume.cpp
parent56f8396ff15b7d827f008edd6fe263bae26313f0 (diff)
SH-1903 Don't use indexed texture rendering when GL version is < 3.1 (fixes bad performance on cards with old drivers)
Diffstat (limited to 'indra/newview/llvovolume.cpp')
-rw-r--r--indra/newview/llvovolume.cpp5
1 files changed, 5 insertions, 0 deletions
diff --git a/indra/newview/llvovolume.cpp b/indra/newview/llvovolume.cpp
index c5e2c56e4b..e6da8eb89d 100644
--- a/indra/newview/llvovolume.cpp
+++ b/indra/newview/llvovolume.cpp
@@ -4495,6 +4495,11 @@ void LLVolumeGeometryManager::genDrawInfo(LLSpatialGroup* group, U32 mask, std::
S32 texture_index_channels = gGLManager.mNumTextureImageUnits-1; //always reserve one for shiny for now just for simplicity
+ if (gGLManager.mGLVersion < 3.1f)
+ {
+ texture_index_channels = 1;
+ }
+
if (LLPipeline::sRenderDeferred && distance_sort)
{
texture_index_channels = gDeferredAlphaProgram.mFeatures.mIndexedTextureChannels;