commit 52f5da43184e62123d9327e2b4ebf4cc67a6a96f
author Ian Elliott <ianelliott@google.com> Fri Dec 21 09:02:09 2018 -0700
committer Commit Bot <commit-bot@chromium.org> Fri Dec 21 22:41:42 2018 +0000
tree 1f3b3c0fa3b640a4e7a9491e645e09c46a8392ed
parent 899c5d264f9cffd3c305fc639d3d53c403e5efef

Also enable flipY for Vulkan 1.1

The necessary support for flipY is included in core Vulkan 1.1
so enable the feature if that's what's available.

Bug: angleproject:2968
Change-Id: I6808a1a0b1ace74976a7476f77d686e137a1e747
Reviewed-on: https://chromium-review.googlesource.com/c/1387758
Commit-Queue: Ian Elliott <ianelliott@google.com>
Reviewed-by: Yuly Novikov <ynovikov@chromium.org>
Reviewed-by: Jamie Madill <jmadill@chromium.org>

src/libANGLE/renderer/vulkan/RendererVk.cpp

diff --git a/src/libANGLE/renderer/vulkan/RendererVk.cpp b/src/libANGLE/renderer/vulkan/RendererVk.cpp
index 3f0304f..ca1d50a 100644
--- a/src/libANGLE/renderer/vulkan/RendererVk.cpp
+++ b/src/libANGLE/renderer/vulkan/RendererVk.cpp
@@ -625,7 +625,8 @@
     mFeaturesInitialized = true;
 
     // Selectively enable KHR_MAINTENANCE1 to support viewport flipping.
-    if (getFeatures().flipViewportY)
+    if ((getFeatures().flipViewportY) &&
+        (mPhysicalDeviceProperties.apiVersion < VK_MAKE_VERSION(1, 1, 0)))
     {
         enabledDeviceExtensions.push_back(VK_KHR_MAINTENANCE1_EXTENSION_NAME);
     }
@@ -815,7 +816,8 @@
     mFeatures.basicGLLineRasterization = true;
 #endif  // defined(ANGLE_PLATFORM_ANDROID)
 
-    if (ExtensionFound(VK_KHR_MAINTENANCE1_EXTENSION_NAME, deviceExtensionProps))
+    if ((mPhysicalDeviceProperties.apiVersion >= VK_MAKE_VERSION(1, 1, 0)) ||
+        ExtensionFound(VK_KHR_MAINTENANCE1_EXTENSION_NAME, deviceExtensionProps))
     {
         // TODO(lucferron): Currently disabled on Intel only since many tests are failing and need
         // investigation. http://anglebug.com/2728