Vulkan: Enable standard derivatives extension

Enable standard derivatives by default for Vulkan. Bug: angleproject:2903 Test: Validate Skia doesn't generate errors. Test: CQ Runs Change-Id: I7f180d4ca03c154db3e9562213127eca1ce65562 Reviewed-on: https://chromium-review.googlesource.com/c/angle/angle/+/1599857 Commit-Queue: Tim Van Patten <timvp@google.com> Reviewed-by: Shahbaz Youssefi <syoussefi@chromium.org> Reviewed-by: Jamie Madill <jmadill@chromium.org>

Vulkan: Enable standard derivatives extension
f5115ed4 · Tim Van Patten · Commit Bot · 86819f0e · f5115ed4
Commit f5115ed4 authored May 07, 2019 by Tim Van Patten Committed by Commit Bot May 08, 2019
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vk_caps_utils.cpp src/libANGLE/renderer/vulkan/vk_caps_utils.cpp +3 -0

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--- a/src/libANGLE/renderer/vulkan/vk_caps_utils.cpp
+++ b/src/libANGLE/renderer/vulkan/vk_caps_utils.cpp
@@ -97,6 +97,9 @@ void RendererVk::ensureCapsInitialized() const
    // Vulkan natively supports non power-of-two textures
    mNativeExtensions.textureNPOT = true;

+    // Vulkan natively supports standard derivatives
+    mNativeExtensions.standardDerivatives = true;
+
    // TODO(lucferron): Eventually remove everything above this line in this function as the caps
    // get implemented.
    // https://vulkan.lunarg.com/doc/view/1.0.30.0/linux/vkspec.chunked/ch31s02.html