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authorDave Parks <davep@lindenlab.com>2012-02-10 20:04:19 -0600
committerDave Parks <davep@lindenlab.com>2012-02-10 20:04:19 -0600
commit3710c6110d65d3a604f7b419cd764cf5b9b98600 (patch)
tree544b689c3c084976b05a69a34726524e6e68f214 /indra/llrender/llglslshader.cpp
parente0582d4bc71e2f367b4cf4a6f0b808451620b52f (diff)
SH-2908 Rework indexed texture rendering to use a uvec4 instead of a float for texture indices in the data stream. Also rework gl_FragColor overrides to not collide with some odd driver implementations.
Diffstat (limited to 'indra/llrender/llglslshader.cpp')
-rw-r--r--indra/llrender/llglslshader.cpp5
1 files changed, 3 insertions, 2 deletions
diff --git a/indra/llrender/llglslshader.cpp b/indra/llrender/llglslshader.cpp
index 7eba62e59e..a879a18895 100644
--- a/indra/llrender/llglslshader.cpp
+++ b/indra/llrender/llglslshader.cpp
@@ -164,8 +164,9 @@ BOOL LLGLSLShader::createShader(vector<string> * attributes,
return FALSE;
}
- if (gGLManager.mGLVersion < 3.1f)
- { //attachShaderFeatures may have set the number of indexed texture channels, so set to 1 again
+ if (gGLManager.mGLSLVersionMajor < 2 && gGLManager.mGLSLVersionMinor < 3)
+ { //indexed texture rendering requires GLSL 1.3 or later
+ //attachShaderFeatures may have set the number of indexed texture channels, so set to 1 again
mFeatures.mIndexedTextureChannels = llmin(mFeatures.mIndexedTextureChannels, 1);
}