commit feb8c68685270e7cc482a4e56291eac3399b6646
author Geoff Lang <geofflang@chromium.org> Mon Feb 13 16:07:35 2017 -0500
committer Commit Bot <commit-bot@chromium.org> Wed Feb 15 17:31:55 2017 +0000
tree f9d048fadef77018f47c72839407a2261dfc1a67
parent 4336489ffc5d3ddd43d9bf8e658a258997b65f0f

Add extensions to disable client arrays.

Chrome doesn't allow any client data in its command buffer.  Add an ANGLE
extension to request a context that disallows client data.

BUG=602737

Change-Id: If9d5144daea3c629a73562396000df59a671aad3
Reviewed-on: https://chromium-review.googlesource.com/441986
Commit-Queue: Geoff Lang <geofflang@chromium.org>
Reviewed-by: Jamie Madill <jmadill@chromium.org>

src/libANGLE/validationES.cpp

diff --git a/src/libANGLE/validationES.cpp b/src/libANGLE/validationES.cpp
index 5804c56..aabc42f 100644
--- a/src/libANGLE/validationES.cpp
+++ b/src/libANGLE/validationES.cpp
@@ -59,7 +59,7 @@
         gl::Buffer *buffer = attrib.buffer.get();
         if (!buffer)
         {
-            if (webglCompatibility)
+            if (webglCompatibility || !state.areClientArraysEnabled())
             {
                 // [WebGL 1.0] Section 6.5 Enabled Vertex Attributes and Range Checking
                 // If a vertex attribute is enabled as an array via enableVertexAttribArray but
@@ -205,6 +205,9 @@
         case GL_BIND_GENERATES_RESOURCE_CHROMIUM:
             return queryOnly && context->getExtensions().bindGeneratesResource;
 
+        case GL_CLIENT_ARRAYS_ANGLE:
+            return queryOnly && context->getExtensions().clientArrays;
+
         case GL_FRAMEBUFFER_SRGB_EXT:
             return context->getExtensions().sRGBWriteControl;
 
@@ -3484,6 +3487,11 @@
                                        "indices must be a multiple of the element type size."));
             return false;
         }
+    }
+
+    if (context->getExtensions().webglCompatibility ||
+        !context->getGLState().areClientArraysEnabled())
+    {
         if (!elementArrayBuffer && count > 0)
         {
             // [WebGL 1.0] Section 6.2 No Client Side Arrays