Vulkan: enable OES_element_index_uint for Vulkan

We already handle 32-bit indices, so this change enables the corresponding extension for ES 2.0. Bug: angleproject:2902 Change-Id: Iccde1d4aac383a9c11edf851778ff315de8d4ad1 Reviewed-on: https://chromium-review.googlesource.com/c/angle/angle/+/1646032Reviewed-by: Courtney Goeltzenleuchter <courtneygo@google.com> Reviewed-by: Jamie Madill <jmadill@chromium.org> Commit-Queue: James Dong <dongja@google.com>

Vulkan: enable OES_element_index_uint for Vulkan
b91f87b6 · James Dong · Commit Bot · 03bc3db8 · b91f87b6
Commit b91f87b6 authored Jun 05, 2019 by James Dong Committed by Commit Bot Jun 05, 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
@@ -106,6 +106,9 @@ void RendererVk::ensureCapsInitialized() const
    // Vulkan natively supports standard derivatives
    mNativeExtensions.standardDerivatives = true;

+    // Vulkan natively supports 32-bit indices, entry in kIndexTypeMap
+    mNativeExtensions.elementIndexUint = true;
+
    // https://vulkan.lunarg.com/doc/view/1.0.30.0/linux/vkspec.chunked/ch31s02.html
    mNativeCaps.maxElementIndex       = std::numeric_limits<GLuint>::max() - 1;
    mNativeCaps.max3DTextureSize      = mPhysicalDeviceProperties.limits.maxImageDimension3D;