Copyright | Will Thompson Iñaki García Etxebarria and Jonas Platte |
---|---|
License | LGPL-2.1 |
Maintainer | Iñaki García Etxebarria |
Safe Haskell | None |
Language | Haskell2010 |
VulkanContext
is an object representing the platform-specific
Vulkan draw context.
GdkVulkanContexts
are created for a Surface
using
surfaceCreateVulkanContext
, and the context will match the
the characteristics of the surface.
Support for VulkanContext
is platform-specific, context creation
can fail, returning Nothing
context.
Synopsis
- newtype VulkanContext = VulkanContext (ManagedPtr VulkanContext)
- class (GObject o, IsDescendantOf VulkanContext o) => IsVulkanContext o
- toVulkanContext :: (MonadIO m, IsVulkanContext o) => o -> m VulkanContext
- noVulkanContext :: Maybe VulkanContext
- type C_VulkanContextImagesUpdatedCallback = Ptr () -> Ptr () -> IO ()
- type VulkanContextImagesUpdatedCallback = IO ()
- afterVulkanContextImagesUpdated :: (IsVulkanContext a, MonadIO m) => a -> VulkanContextImagesUpdatedCallback -> m SignalHandlerId
- genClosure_VulkanContextImagesUpdated :: MonadIO m => VulkanContextImagesUpdatedCallback -> m (GClosure C_VulkanContextImagesUpdatedCallback)
- mk_VulkanContextImagesUpdatedCallback :: C_VulkanContextImagesUpdatedCallback -> IO (FunPtr C_VulkanContextImagesUpdatedCallback)
- noVulkanContextImagesUpdatedCallback :: Maybe VulkanContextImagesUpdatedCallback
- onVulkanContextImagesUpdated :: (IsVulkanContext a, MonadIO m) => a -> VulkanContextImagesUpdatedCallback -> m SignalHandlerId
- wrap_VulkanContextImagesUpdatedCallback :: VulkanContextImagesUpdatedCallback -> C_VulkanContextImagesUpdatedCallback
Exported types
newtype VulkanContext Source #
Memory-managed wrapper type.
Instances
Eq VulkanContext Source # | |
Defined in GI.Gdk.Objects.VulkanContext (==) :: VulkanContext -> VulkanContext -> Bool # (/=) :: VulkanContext -> VulkanContext -> Bool # | |
GObject VulkanContext Source # | |
Defined in GI.Gdk.Objects.VulkanContext gobjectType :: IO GType # | |
IsGValue VulkanContext Source # | Convert |
Defined in GI.Gdk.Objects.VulkanContext toGValue :: VulkanContext -> IO GValue # fromGValue :: GValue -> IO VulkanContext # | |
HasParentTypes VulkanContext Source # | |
Defined in GI.Gdk.Objects.VulkanContext | |
type ParentTypes VulkanContext Source # | |
Defined in GI.Gdk.Objects.VulkanContext |
class (GObject o, IsDescendantOf VulkanContext o) => IsVulkanContext o Source #
Type class for types which can be safely cast to VulkanContext
, for instance with toVulkanContext
.
Instances
(GObject o, IsDescendantOf VulkanContext o) => IsVulkanContext o Source # | |
Defined in GI.Gdk.Objects.VulkanContext |
toVulkanContext :: (MonadIO m, IsVulkanContext o) => o -> m VulkanContext Source #
Cast to VulkanContext
, for types for which this is known to be safe. For general casts, use castTo
.
noVulkanContext :: Maybe VulkanContext Source #
A convenience alias for Nothing
:: Maybe
VulkanContext
.
Methods
Overloaded methods
Signals
imagesUpdated
type C_VulkanContextImagesUpdatedCallback = Ptr () -> Ptr () -> IO () Source #
Type for the callback on the (unwrapped) C side.
type VulkanContextImagesUpdatedCallback = IO () Source #
This signal is emitted when the images managed by this context have changed. Usually this means that the swapchain had to be recreated, for example in response to a change of the surface size.
afterVulkanContextImagesUpdated :: (IsVulkanContext a, MonadIO m) => a -> VulkanContextImagesUpdatedCallback -> m SignalHandlerId Source #
Connect a signal handler for the imagesUpdated signal, to be run after the default handler. When overloading is enabled, this is equivalent to
after
vulkanContext #imagesUpdated callback
genClosure_VulkanContextImagesUpdated :: MonadIO m => VulkanContextImagesUpdatedCallback -> m (GClosure C_VulkanContextImagesUpdatedCallback) Source #
Wrap the callback into a GClosure
.
mk_VulkanContextImagesUpdatedCallback :: C_VulkanContextImagesUpdatedCallback -> IO (FunPtr C_VulkanContextImagesUpdatedCallback) Source #
Generate a function pointer callable from C code, from a C_VulkanContextImagesUpdatedCallback
.
noVulkanContextImagesUpdatedCallback :: Maybe VulkanContextImagesUpdatedCallback Source #
A convenience synonym for
.Nothing
:: Maybe
VulkanContextImagesUpdatedCallback
onVulkanContextImagesUpdated :: (IsVulkanContext a, MonadIO m) => a -> VulkanContextImagesUpdatedCallback -> m SignalHandlerId Source #
Connect a signal handler for the imagesUpdated signal, to be run before the default handler. When overloading is enabled, this is equivalent to
on
vulkanContext #imagesUpdated callback