commit c1e0268a741ef82d77e296f7186a049fa4ff1f97
author Luc Ferron <lucferron@chromium.org> Wed Apr 11 11:02:55 2018 -0400
committer Commit Bot <commit-bot@chromium.org> Thu Apr 12 13:53:14 2018 +0000
tree 874e315cbab06eb3dac6b27e1d200e9c52e590ad
parent a56467e082366aeb2580a719412494a323178feb

Vulkan: drawArrays followed by drawElements bugfix

Also add a test in StateChangeTest.cpp to validate the behavior.

Bug: angleproject:2458

Change-Id: I58848772c0b4f71aaa3ee187778e49fa08e6800d
Reviewed-on: https://chromium-review.googlesource.com/1007320
Reviewed-by: Jamie Madill <jmadill@chromium.org>
Reviewed-by: Luc Ferron <lucferron@chromium.org>
Commit-Queue: Luc Ferron <lucferron@chromium.org>

src/libANGLE/renderer/vulkan/VertexArrayVk.cpp

diff --git a/src/libANGLE/renderer/vulkan/VertexArrayVk.cpp b/src/libANGLE/renderer/vulkan/VertexArrayVk.cpp
index 369fcec..d0a44c2 100644
--- a/src/libANGLE/renderer/vulkan/VertexArrayVk.cpp
+++ b/src/libANGLE/renderer/vulkan/VertexArrayVk.cpp
@@ -464,7 +464,11 @@
             updateArrayBufferReadDependencies(drawNode, activeAttribs,
                                               renderer->getCurrentQueueSerial());
         }
+
         mVertexBuffersDirty = false;
+
+        // This forces the binding to happen if we follow a drawElement call from a drawArrays call.
+        mIndexBufferDirty = true;
     }
 
     return gl::NoError();