Module overrungl.core

Package overrungl

Interface Callback

All Known Subinterfaces:

GLDebugProc, GLDebugProcAMD, IGLFWCharFun, IGLFWCursorEnterFun, IGLFWCursorPosFun, IGLFWDropFun, IGLFWErrorFun, IGLFWFramebufferSizeFun, IGLFWJoystickFun, IGLFWKeyFun, IGLFWMonitorFun, IGLFWMouseButtonFun, IGLFWScrollFun, IGLFWWindowCloseFun, IGLFWWindowContentScaleFun, IGLFWWindowFocusFun, IGLFWWindowIconifyFun, IGLFWWindowMaximizeFun, IGLFWWindowPosFun, IGLFWWindowRefreshFun, IGLFWWindowSizeFun, STBIIoCallbacks.Eof, STBIIoCallbacks.Read, STBIIoCallbacks.Skip, STBIWriteFunc

public interface Callback

Callback relies on preview features of the Java platform:

• Callback refers to one or more preview APIs: Arena, FunctionDescriptor, MemorySegment.

Programs can only use Callback when preview features are enabled.

Preview features may be removed in a future release, or upgraded to permanent features of the Java platform.

The upcall stub which can be passed to other foreign functions as a function pointer, with the given arena.

Since:

0.1.0

Author:

squid233

Method Summary

Modifier and Type	Method	Description
default MemorySegmentPREVIEW	address(ArenaPREVIEW arena)	Gets the address with the given arena.
FunctionDescriptorPREVIEW	descriptor()	Returns the function descriptor of this callback.
MethodHandle	handle(MethodHandles.Lookup lookup)	Finds the method handle from the given method handles lookup.
default MemorySegmentPREVIEW	segment(ArenaPREVIEW arena, FunctionDescriptorPREVIEW function)	Gets the memory segment of the upcall stub with the given arena.

Method Details

address

default MemorySegmentPREVIEW address(ArenaPREVIEW arena)

Gets the address with the given arena.

Parameters:

arena - the arena.

Returns:

the memory address.

descriptor

FunctionDescriptorPREVIEW descriptor()

Returns the function descriptor of this callback.

Returns:

the function descriptor of this callback

handle

MethodHandle handle(MethodHandles.Lookup lookup)
             throws NoSuchMethodException,
IllegalAccessException

Finds the method handle from the given method handles lookup.

Parameters:

lookup - the lookup

Returns:

the method handle

Throws:

NoSuchMethodException - if the method does not exist

IllegalAccessException - if access checking fails, or if the method is static, or if the method's variable arity modifier bit is set and asVarargsCollector fails

segment

default MemorySegmentPREVIEW segment(ArenaPREVIEW arena,
 FunctionDescriptorPREVIEW function)

Gets the memory segment of the upcall stub with the given arena.

Parameters:

arena - the arena.

function - the function descriptor.

Returns:

the memory segment.