diff options
Diffstat (limited to 'indra/llrender/llrender.cpp')
| -rw-r--r-- | indra/llrender/llrender.cpp | 32 |
1 files changed, 28 insertions, 4 deletions
diff --git a/indra/llrender/llrender.cpp b/indra/llrender/llrender.cpp index 49e10c4790..c37139ac4c 100644 --- a/indra/llrender/llrender.cpp +++ b/indra/llrender/llrender.cpp @@ -119,14 +119,29 @@ void LLTexUnit::refreshState(void) gGL.flush(); glActiveTextureARB(GL_TEXTURE0_ARB + mIndex); + + // + // Per apple spec, don't call glEnable/glDisable when index exceeds max texture units + // http://www.mailinglistarchive.com/html/mac-opengl@lists.apple.com/2008-07/msg00653.html + // + bool enableDisable = (mIndex < gGLManager.mNumTextureUnits); + if (mCurrTexType != TT_NONE) { - glEnable(sGLTextureType[mCurrTexType]); + if (enableDisable) + { + glEnable(sGLTextureType[mCurrTexType]); + } + glBindTexture(sGLTextureType[mCurrTexType], mCurrTexture); } else { - glDisable(GL_TEXTURE_2D); + if (enableDisable) + { + glDisable(GL_TEXTURE_2D); + } + glBindTexture(GL_TEXTURE_2D, 0); } @@ -167,7 +182,11 @@ void LLTexUnit::enable(eTextureType type) mCurrTexType = type; gGL.flush(); - glEnable(sGLTextureType[type]); + + if (mIndex < gGLManager.mNumTextureUnits) + { + glEnable(sGLTextureType[type]); + } } } @@ -180,7 +199,12 @@ void LLTexUnit::disable(void) activate(); unbind(mCurrTexType); gGL.flush(); - glDisable(sGLTextureType[mCurrTexType]); + + if (mIndex < gGLManager.mNumTextureUnits) + { + glDisable(sGLTextureType[mCurrTexType]); + } + mCurrTexType = TT_NONE; } } |