Only enable addAndTrueToLoopCondition feature on Mac Intel

The issue which reported the need for this workaround only found a problem on Mac. The failure doesn't happen on other the Linux OpenGL Intel driver, so it shouldn't be enabled there. Bug: chromium:1021900, chromium:644669 Change-Id: I65e7462828419aeb9182898f73977ee1c5e72ff3 Reviewed-on: https://chromium-review.googlesource.com/c/angle/angle/+/1904291Reviewed-by: Kenneth Russell <kbr@chromium.org> Reviewed-by: Geoff Lang <geofflang@chromium.org> Commit-Queue: Austin Eng <enga@chromium.org>

Only enable addAndTrueToLoopCondition feature on Mac Intel
50919254 · Austin Eng · Commit Bot · dc98ca69 · 50919254
Commit 50919254 authored Nov 07, 2019 by Austin Eng Committed by Commit Bot Nov 08, 2019
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renderergl_utils.cpp src/libANGLE/renderer/gl/renderergl_utils.cpp +1 -1

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--- a/src/libANGLE/renderer/gl/renderergl_utils.cpp
+++ b/src/libANGLE/renderer/gl/renderergl_utils.cpp
@@ -1472,7 +1472,7 @@ void InitializeFeatures(const FunctionsGL *functions, angle::FeaturesGL *feature
    ANGLE_FEATURE_CONDITION(features, emulateAbsIntFunction, isIntel);
-    ANGLE_FEATURE_CONDITION(features, addAndTrueToLoopCondition, isIntel);
+    ANGLE_FEATURE_CONDITION(features, addAndTrueToLoopCondition, IsApple() && isIntel);
    ANGLE_FEATURE_CONDITION(features, emulateIsnanFloat, isIntel);