commit 8a7b3a0ced4cb84cba4014c951a49aa94cce3ae2
author Jiajia Qin <jiajia.qin@intel.com> Fri Aug 25 16:05:48 2017 +0800
committer Commit Bot <commit-bot@chromium.org> Tue Sep 05 14:37:18 2017 +0000
tree eefc4c545a82d08713b6ef32e82fe7a4f46c5839
parent 72b4e1e5bbbb2b6749bf49bdba287a85abade649

Reland 'Remove IndexRange retrieving in validation'

This change adds GL_KHR_robust_buffer_access_behavior support.
The old change is in https://chromium-review.googlesource.com/c/angle/angle/+/607413

BUG=755897, angleproject:1393, angleproject:1463

Change-Id: I04a1132c3ae8d3a766194df61c4ff7bf0b084f03
Reviewed-on: https://chromium-review.googlesource.com/640750
Commit-Queue: Geoff Lang <geofflang@chromium.org>
Reviewed-by: Geoff Lang <geofflang@chromium.org>

src/libANGLE/Context.cpp

diff --git a/src/libANGLE/Context.cpp b/src/libANGLE/Context.cpp
index c7ec67c..1d69e85 100644
--- a/src/libANGLE/Context.cpp
+++ b/src/libANGLE/Context.cpp
@@ -280,11 +280,6 @@
       mScratchBuffer(1000u),
       mZeroFilledBuffer(1000u)
 {
-    if (mRobustAccess)
-    {
-        UNIMPLEMENTED();
-    }
-
     initCaps(displayExtensions);
     initWorkarounds();
 
@@ -2610,6 +2605,11 @@
     mExtensions.robustResourceInitialization =
         egl::Display::GetClientExtensions().displayRobustResourceInitialization;
 
+    // mExtensions.robustBufferAccessBehavior is true only if robust access is true and the backend
+    // supports it.
+    mExtensions.robustBufferAccessBehavior =
+        mRobustAccess && mExtensions.robustBufferAccessBehavior;
+
     // Enable the cache control query unconditionally.
     mExtensions.programCacheControl = true;