diff options
Diffstat (limited to 'src/gui/vulkan/qbasicvulkanplatforminstance.cpp')
| -rw-r--r-- | src/gui/vulkan/qbasicvulkanplatforminstance.cpp | 9 |
1 files changed, 7 insertions, 2 deletions
diff --git a/src/gui/vulkan/qbasicvulkanplatforminstance.cpp b/src/gui/vulkan/qbasicvulkanplatforminstance.cpp index 31e27cdac5..bbe9f9e1cb 100644 --- a/src/gui/vulkan/qbasicvulkanplatforminstance.cpp +++ b/src/gui/vulkan/qbasicvulkanplatforminstance.cpp @@ -259,8 +259,13 @@ void QBasicPlatformVulkanInstance::initInstance(QVulkanInstance *instance, const VkInstanceCreateInfo instInfo = {}; instInfo.sType = VK_STRUCTURE_TYPE_INSTANCE_CREATE_INFO; instInfo.pApplicationInfo = &appInfo; - if (!flags.testFlag(QVulkanInstance::NoPortabilityDrivers)) - instInfo.flags |= 0x00000001; // VK_INSTANCE_CREATE_ENUMERATE_PORTABILITY_BIT_KHR + if (!flags.testFlag(QVulkanInstance::NoPortabilityDrivers)) { + // With old Vulkan SDKs setting a non-zero flags gives a validation error. + // Whereas from 1.3.216 on the portability bit is required for MoltenVK to function. + // Hence the version check. + if (m_supportedApiVersion >= QVersionNumber(1, 3, 216)) + instInfo.flags |= 0x00000001; // VK_INSTANCE_CREATE_ENUMERATE_PORTABILITY_BIT_KHR + } QList<const char *> layerNameVec; for (const QByteArray &ba : std::as_const(m_enabledLayers)) |