Add R11 EAC pixel config

src/gpu/gl/GrGLCaps.cpp

Index: src/gpu/gl/GrGLCaps.cpp
diff --git a/src/gpu/gl/GrGLCaps.cpp b/src/gpu/gl/GrGLCaps.cpp
index fdf6cacc08bb41dccab4cb467aabc857a08823fd..4a62c5acaab1ce370545f9b11d991153260d0e3f 100644
--- a/src/gpu/gl/GrGLCaps.cpp
+++ b/src/gpu/gl/GrGLCaps.cpp
@@ -531,6 +531,14 @@ void GrGLCaps::initConfigTexturableTable(const GrGLContextInfo& ctxInfo, const G
 
     fConfigTextureSupport[kLATC_GrPixelConfig] = hasLATC;
     fLATCAlias = alias;
+
+    // Check for R11_EAC
+    if (kGL_GrGLStandard == standard) {
+        fConfigTextureSupport[kR11_EAC_GrPixelConfig] =
+            version >= GR_GL_VER(4, 3) || ctxInfo.hasExtension("GL_ARB_ES3_compatibility");
+    } else {
+        fConfigTextureSupport[kR11_EAC_GrPixelConfig] = version >= GR_GL_VER(3, 0);
+    }
 }
 
 bool GrGLCaps::readPixelsSupported(const GrGLInterface* intf,