From 2ac1fe03e85b6b81076a4cfff86ee2ef5af178c4 Mon Sep 17 00:00:00 2001
From: Dave Parks <davep@lindenlab.com>
Date: Tue, 21 Jun 2011 16:11:04 -0500
Subject: [PATCH] SH-1838 Fix for black screen when enabling lighting and
shadows on an ATI machine.
---
indra/llrender/llgl.cpp | 7 +++++++
1 file changed, 7 insertions(+)
diff --git a/indra/llrender/llgl.cpp b/indra/llrender/llgl.cpp
index a3aed4dd8ab..c224ab0e9bb 100644
--- a/indra/llrender/llgl.cpp
+++ b/indra/llrender/llgl.cpp
@@ -568,6 +568,13 @@ bool LLGLManager::initGL()
glGetIntegerv(GL_MAX_SAMPLE_MASK_WORDS, &mMaxSampleMaskWords);
}
+#if LL_WINDOWS
+ if (mIsATI)
+ { //using multisample textures on ATI results in black screen for some reason
+ mHasTextureMultisample = FALSE;
+ }
+#endif
+
if (mHasFramebufferObject)
{
glGetIntegerv(GL_MAX_SAMPLES, &mMaxSamples);
--
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