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Vulkan: Display a warning when using MoltenVK on HS and earlier

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This commit is contained in:
Stenzek 2019-01-25 04:07:42 -08:00
parent 0177c6c2c7
commit 3f1586dbce
1 changed files with 34 additions and 0 deletions
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34
Source/Core/VideoBackends/Vulkan/main.cpp
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@ -277,6 +277,30 @@ void VideoBackend::Shutdown()
UnloadVulkanLibrary(); UnloadVulkanLibrary();
} }
#if defined(VK_USE_PLATFORM_MACOS_MVK)
static bool IsRunningOnMojaveOrHigher()
{
// id processInfo = [NSProcessInfo processInfo]
id processInfo = reinterpret_cast<id (*)(Class, SEL)>(objc_msgSend)(
objc_getClass("NSProcessInfo"), sel_getUid("processInfo"));
if (!processInfo)
return false;
struct OSVersion // NSOperatingSystemVersion
{
size_t major_version; // NSInteger majorVersion
size_t minor_version; // NSInteger minorVersion
size_t patch_version; // NSInteger patchVersion
};
// const bool meets_requirement = [processInfo isOperatingSystemAtLeastVersion:required_version];
constexpr OSVersion required_version = {10, 14, 0};
const bool meets_requirement = reinterpret_cast<bool (*)(id, SEL, OSVersion)>(objc_msgSend)(
processInfo, sel_getUid("isOperatingSystemAtLeastVersion:"), required_version);
return meets_requirement;
}
#endif
void VideoBackend::PrepareWindow(const WindowSystemInfo& wsi) void VideoBackend::PrepareWindow(const WindowSystemInfo& wsi)
{ {
#if defined(VK_USE_PLATFORM_MACOS_MVK) #if defined(VK_USE_PLATFORM_MACOS_MVK)
@ -315,6 +339,16 @@ void VideoBackend::PrepareWindow(const WindowSystemInfo& wsi)
// layer.contentsScale = factor // layer.contentsScale = factor
reinterpret_cast<void (*)(id, SEL, double)>(objc_msgSend)(layer, sel_getUid("setContentsScale:"), reinterpret_cast<void (*)(id, SEL, double)>(objc_msgSend)(layer, sel_getUid("setContentsScale:"),
factor); factor);
// The Metal version included with MacOS 10.13 and below does not support several features we
// require. Furthermore, the drivers seem to choke on our shaders (mainly Intel). So, we warn
// the user that this is an unsupported configuration, but permit them to continue.
if (!IsRunningOnMojaveOrHigher())
{
PanicAlertT(
"You are attempting to use the Vulkan (Metal) backend on an unsupported operating system. "
"For all functionality to be enabled, you must use macOS 10.14 (Mojave) or newer. Please "
"do not report any issues encountered unless they also occur on 10.14+.");
}
#endif #endif
} }
} // namespace Vulkan } // namespace Vulkan