From 73420f4f34976eedb4d01855a71513a4c1bd95bb Mon Sep 17 00:00:00 2001
From: Dave Parks <davep@lindenlab.com>
Date: Tue, 3 Dec 2024 14:32:20 -0800
Subject: #3184 Fix for crash on some GPUs when setting quality to High or
 higher (#3201)

---
 indra/llrender/llgl.cpp | 1 +
 indra/llrender/llgl.h   | 1 +
 2 files changed, 2 insertions(+)

(limited to 'indra/llrender')

diff --git a/indra/llrender/llgl.cpp b/indra/llrender/llgl.cpp
index c5c9d50dee..1bc5e79835 100644
--- a/indra/llrender/llgl.cpp
+++ b/indra/llrender/llgl.cpp
@@ -1259,6 +1259,7 @@ bool LLGLManager::initGL()
     glGetIntegerv(GL_MAX_INTEGER_SAMPLES, &mMaxIntegerSamples);
     glGetIntegerv(GL_MAX_SAMPLE_MASK_WORDS, &mMaxSampleMaskWords);
     glGetIntegerv(GL_MAX_SAMPLES, &mMaxSamples);
+    glGetIntegerv(GL_MAX_VARYING_VECTORS, &mMaxVaryingVectors);
     glGetIntegerv(GL_MAX_UNIFORM_BLOCK_SIZE, &mMaxUniformBlockSize);
 
     // sanity clamp max uniform block size to 64k just in case
diff --git a/indra/llrender/llgl.h b/indra/llrender/llgl.h
index f5b1e8d786..24ba4d6deb 100644
--- a/indra/llrender/llgl.h
+++ b/indra/llrender/llgl.h
@@ -88,6 +88,7 @@ public:
     S32 mGLMaxTextureSize;
     F32 mMaxAnisotropy = 0.f;
     S32 mMaxUniformBlockSize = 0;
+    S32 mMaxVaryingVectors = 0;
 
     // GL 4.x capabilities
     bool mHasCubeMapArray = false;
-- 
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