Vulkan: Fix missing index buffer usage.

The newer validation layers picked up this missing bit. BUG=angleproject:2237 Change-Id: I5bb2f1db3a4e284c003de0f5b23f7f613056af3a Reviewed-on: https://chromium-review.googlesource.com/760637 Commit-Queue: Jamie Madill <jmadill@chromium.org> Reviewed-by: Frank Henigman <fjhenigman@chromium.org>

Vulkan: Fix missing index buffer usage.
6226b8df · Jamie Madill · Commit Bot · 858ff481 · 6226b8df
Commit 6226b8df authored Nov 09, 2017 by Jamie Madill Committed by Commit Bot Nov 15, 2017
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BufferVk.cpp src/libANGLE/renderer/vulkan/BufferVk.cpp +2 -1

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--- a/src/libANGLE/renderer/vulkan/BufferVk.cpp
+++ b/src/libANGLE/renderer/vulkan/BufferVk.cpp
@@ -61,7 +61,8 @@ gl::Error BufferVk::setData(const gl::Context *context,
        createInfo.pNext                 = nullptr;
        createInfo.flags                 = 0;
        createInfo.size                  = size;
-        createInfo.usage = (VK_BUFFER_USAGE_VERTEX_BUFFER_BIT | VK_BUFFER_USAGE_TRANSFER_DST_BIT);
+        createInfo.usage = (VK_BUFFER_USAGE_VERTEX_BUFFER_BIT | VK_BUFFER_USAGE_TRANSFER_DST_BIT |
+                            VK_BUFFER_USAGE_INDEX_BUFFER_BIT);
        createInfo.sharingMode           = VK_SHARING_MODE_EXCLUSIVE;
        createInfo.queueFamilyIndexCount = 0;
        createInfo.pQueueFamilyIndices   = nullptr;