commit 74c2347e92c79a342bc83af5693bcb0dfa86a608
author Sami Väisänen <svaisanen@nvidia.com> Mon May 09 17:30:30 2016 +0300
committer Commit Bot <commit-bot@chromium.org> Mon May 16 14:24:25 2016 +0000
tree 5de6025d98325c9b476dd87a34a441fae7fd64f3
parent 87fc71c456851bf496f87baff87266496ebc469d

Support EXT_multisample_compatibility in the GL backend

BUG=angleproject:1377

Change-Id: Ie14aceca8e01f1cbc93fd5bd06d986336fb752b3
Reviewed-on: https://chromium-review.googlesource.com/343501
Reviewed-by: Sami Väisänen <svaisanen@nvidia.com>
Reviewed-by: Geoff Lang <geofflang@chromium.org>
Commit-Queue: Sami Väisänen <svaisanen@nvidia.com>

src/libANGLE/Context.cpp

diff --git a/src/libANGLE/Context.cpp b/src/libANGLE/Context.cpp
index eaa4a51..4330803 100644
--- a/src/libANGLE/Context.cpp
+++ b/src/libANGLE/Context.cpp
@@ -1405,6 +1405,18 @@
         }
     }
 
+    if (mExtensions.multisampleCompatibility)
+    {
+        switch (pname)
+        {
+            case GL_MULTISAMPLE_EXT:
+            case GL_SAMPLE_ALPHA_TO_ONE_EXT:
+                *type = GL_BOOL;
+                *numParams = 1;
+                return true;
+        }
+    }
+
     // Check for ES3.0+ parameter names which are also exposed as ES2 extensions
     switch (pname)
     {