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-rw-r--r--indra/newview/llfeaturemanager.cpp15
1 files changed, 15 insertions, 0 deletions
diff --git a/indra/newview/llfeaturemanager.cpp b/indra/newview/llfeaturemanager.cpp
index 88024b8390..7a99702e27 100644
--- a/indra/newview/llfeaturemanager.cpp
+++ b/indra/newview/llfeaturemanager.cpp
@@ -655,6 +655,21 @@ void LLFeatureManager::applyBaseMasks()
if (gGLManager.mIsIntel)
{
maskFeatures("Intel");
+ if (gGLManager.mGLVersion < 4.59f)
+ {
+ // if we don't have OpenGL 4.6 on intel, set it to OpenGL 3.3
+ // we also want to trigger the GL3 fallbacks on these chipsets
+ // this is expected to be mainly pre-Haswell Intel HD Graphics 4X00 and 5X00.
+ // A lot of these chips claim 4.3 or 4.4 support, but don't seem to work.
+ // https://code.blender.org/2019/04/supported-gpus-in-blender-2-80/
+ // https://docs.blender.org/manual/en/latest/troubleshooting/gpu/windows/intel.html#legacy-intel-hd-4000-5000
+ // https://www.intel.com/content/www/us/en/support/articles/000005524/graphics.html
+ // this will disable things like reflection probes, HDR, FXAA and SMAA
+ gGLManager.mGLVersion = llmin(gGLManager.mGLVersion, 3.33f);
+ // and select GLSL version for OpenGL 3.3
+ gGLManager.mGLSLVersionMajor = 3;
+ gGLManager.mGLSLVersionMinor = 30;
+ }
}
if (gGLManager.mIsApple)
{