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Vulkan: Set apiVersion dawn targets

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Set apiVersion to Vulkan 1.0 if the instance only supports
Vulkan 1.0. Otherwise set apiVersion to Vulkan 1.2, treat
1.2 as the highest API version dawn targets.

Bug: dawn:426
Change-Id: I322eaa0a93a518df36b86717c2ed5a98c5d056ea
Reviewed-on: https://dawn-review.googlesource.com/c/dawn/+/25065
Reviewed-by: Corentin Wallez <cwallez@chromium.org>
Commit-Queue: Xinghua Cao <xinghua.cao@intel.com>
This commit is contained in:
Xinghua Cao 2020-07-20 08:44:29 +00:00 committed by Commit Bot service account
parent d0dd661f18
commit 92ebe87b74
1 changed files with 11 additions and 1 deletions
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10
src/dawn_native/vulkan/BackendVk.cpp
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@ -231,7 +231,17 @@ namespace dawn_native { namespace vulkan {
appInfo.applicationVersion = 0;
appInfo.pEngineName = nullptr;
appInfo.engineVersion = 0;
// Vulkan 1.0 implementations were required to return VK_ERROR_INCOMPATIBLE_DRIVER if
// apiVersion was larger than 1.0. Meanwhile, as long as the instance supports at least
// Vulkan 1.1, an application can use different versions of Vulkan with an instance than
// it does with a device or physical device. So we should set apiVersion to Vulkan 1.0
// if the instance only supports Vulkan 1.0. Otherwise we set apiVersion to Vulkan 1.2,
// treat 1.2 as the highest API version dawn targets.
if (mGlobalInfo.apiVersion == VK_MAKE_VERSION(1, 0, 0)) {
appInfo.apiVersion = mGlobalInfo.apiVersion;
} else {
appInfo.apiVersion = VK_MAKE_VERSION(1, 2, 0);
}
VkInstanceCreateInfo createInfo;
createInfo.sType = VK_STRUCTURE_TYPE_INSTANCE_CREATE_INFO;