isTextureLODBiasSupported check added

4 years ago · 39a78e075f
parent b4eb001d14
commit 39a78e075f
1 changed files with 2 additions and 1 deletions
--- a/src/osg/Texture.cpp
+++ b/src/osg/Texture.cpp
@ -2216,7 +2216,8 @@ void Texture::applyTexParameters(GLenum target, State& state) const
        glTexParameterf(target, GL_TEXTURE_MAX_LOD, _maxlod);
    }

-    glTexParameterf(target, GL_TEXTURE_LOD_BIAS, _lodbias);
+    if (extensions->isTextureLODBiasSupported)
+        glTexParameterf(target, GL_TEXTURE_LOD_BIAS, _lodbias);

    getTextureParameterDirty(state.getContextID()) = false;