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Added test setting 'ShyotlUseLegacyTextureBatching' to disable new texture indexing. The new indexing method requires heavy branching in shaders, which some hardware may not perfom well with.

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Shyotl
2011-08-16 02:37:18 -05:00
parent 7f0662a1ac
commit 20ef149dcb
5 changed files with 33 additions and 7 deletions
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3
indra/newview/llviewershadermgr.cpp
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@@ -654,7 +654,8 @@ BOOL LLViewerShaderMgr::loadBasicShaders()
shaders.reserve(13);
S32 ch = gGLManager.mNumTextureImageUnits-1;
if (gGLManager.mGLVersion < 3.1f)
static const LLCachedControl<bool> no_texture_indexing("ShyotlUseLegacyTextureBatching",false);
if (gGLManager.mGLVersion < 3.1f || no_texture_indexing)
{ //force to 1 texture index channel for old drivers
ch = 1;
}