diff options
| author | Paul Olav Tvete <paul.tvete@qt.io> | 2019-12-13 14:18:11 +0100 |
|---|---|---|
| committer | Paul Olav Tvete <paul.tvete@qt.io> | 2020-01-06 18:13:01 +0100 |
| commit | 908df199d0782d161e83d75dd7a7d9aab29ff9e7 (patch) | |
| tree | 221b69130f3b78f85543092c71c29c3a3ee379ab /src/platformsupport | |
| parent | 6d201aa1bddad04fd4176c526a878ec9cad6f9ab (diff) | |
Add environment variables for customizing Vulkan
QT_VULKAN_INSTANCE_EXTENSIONS to specify additional
instance extensions.
QT_VULKAN_INSTANCE_LAYERS to specify additional
instance layers.
QT_VULKAN_DEVICE_EXTENSIONS to specify additional
device extensions.
These will apply to all QVulkanWindows and everything
that uses RHI, including Qt Quick with the Vulkan RHI
backend.
Task-number: QTBUG-80499
Change-Id: I912495affa987d62a9823d55d06d6a8209f6adc6
Reviewed-by: Laszlo Agocs <laszlo.agocs@qt.io>
Diffstat (limited to 'src/platformsupport')
| -rw-r--r-- | src/platformsupport/vkconvenience/qbasicvulkanplatforminstance.cpp | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/src/platformsupport/vkconvenience/qbasicvulkanplatforminstance.cpp b/src/platformsupport/vkconvenience/qbasicvulkanplatforminstance.cpp index 68340a3173..6f6ba58319 100644 --- a/src/platformsupport/vkconvenience/qbasicvulkanplatforminstance.cpp +++ b/src/platformsupport/vkconvenience/qbasicvulkanplatforminstance.cpp @@ -214,6 +214,22 @@ void QBasicPlatformVulkanInstance::initInstance(QVulkanInstance *instance, const for (const QByteArray &ext : extraExts) m_enabledExtensions.append(ext); + QByteArray envExts = qgetenv("QT_VULKAN_INSTANCE_EXTENSIONS"); + if (!envExts.isEmpty()) { + QByteArrayList envExtList = envExts.split(';'); + for (auto ext : m_enabledExtensions) + envExtList.removeAll(ext); + m_enabledExtensions.append(envExtList); + } + + QByteArray envLayers = qgetenv("QT_VULKAN_INSTANCE_LAYERS"); + if (!envLayers.isEmpty()) { + QByteArrayList envLayerList = envLayers.split(';'); + for (auto ext : m_enabledLayers) + envLayerList.removeAll(ext); + m_enabledLayers.append(envLayerList); + } + // No clever stuff with QSet and friends: the order for layers matters // and the user-provided order must be kept. for (int i = 0; i < m_enabledLayers.count(); ++i) { |