* 12to11.c (XLMain): Initialize idle inhibition.
* 12to11.man: Document new resources.
* Imakefile (SRCS): Add idle_inhibit.c and process.c.
(OBJS): Add idle_inhibit.o and process.o.
(idle-inhibit-unstable-v1): New scanner target.
* README: Explain what is now supported.
* compositor.h (enum _ClientDataType): Add IdleInhibitData.
(struct _Surface): Keep track of the number of focused seats.
* fns.c (UnblockSigbus): Fix unblocking of SIGBUS.
(XLAddFdFlag): New function.
* picture_renderer.c (GetRenderDevice):
* seat.c (WriteKeymap):
* drm_lease.c (AddProvider): Make various file descriptors
close-on-exec.
* run.c (RunStep): Change poll function to one that applies the
result of SIGCHLD.
* surface.c (XLSurfaceNoteFocus): Keep track of the number of
focused seats and call idle inhibit hooks when that changes.
* 12to11.c (XLMain): Initialize timestamp tracking.
* 12to11.man: Document *.useDirectPresentation resource.
* atoms.c (names): Add _NET_WM_PID and _NET_WM_PING.
(XLInitAtoms): Likewise.
* compositor.h (struct _RenderFuncs): Update doc of
cancel_presentation.
(enum _FrameMode): Add ModeNotifyDisablePresent.
(struct _XdgRoleList, struct _XdgWmBase): New structs.
* frame_clock.c (StartFrame): Return if the clock was really
started.
(XLFrameClockStartFrame): Likewise.
(XLInitFrameClock): Move Sync extension initialization to
InitTime.
* picture_renderer.c (struct _PresentCompletionCallback)
(struct _PictureTarget, InitSynchronizedPresentation)
(InitRenderFuncs, TargetFromDrawable, DestroyRenderTarget)
(PresentToWindow, CancelPresentationCallback, AddRenderFlag)
(HandlePresentCompleteNotify): Link structure on target. When
synchronized presentation is enabled, use the approriate msc to
present, and record the last known msc.
* run.c (HandleOneXEvent): Handle timestamp events.
* subcompositor.c (SubcompositorUpdate): Note frame with
ModeNotifyDisablePresent.
(FindSystemCounter, ValueToScalar, ScalarToValue, StartAlarms)
(HandleAlarmNotify, HandleOneXEventForTime, InitTime): New
functions.
* xdg_surface.c (struct _XdgRole): New fields `link' and
`wm_base'.
(struct _PingEvent): New structure.
(ReleaseBacking): Release all ping events.
(NoteFrame, WriteRedirectProperty): Allow unredirection under
some circumstances.
(XLGetXdgSurface): Attach wm base.
(XLXdgRoleHandlePing, ReplyPingEvent, XLXdgRoleReplyPing): New
function.
* xdg_toplevel.c (GetClientMachine): New function.
(WriteCredentialProperties): New function.
(Attach): Write credential properties.
(ReplyToPing): New function.
(XLHandleXEventForXdgToplevels): Handle ping events.
* xdg_wm.c (Pong): Reply to ping events once pong is received
from the client.
(HandleResourceDestroy): Detach all surfaces and run their ping
events.
(HandleBind): Allocate memory for XdgWmBase.
(XLXdgWmBaseSendPing): New function.
* 12to11.c (XLMain): Initialize explicit synchronization.
* Imakefile (SRCS, OBJS): Remove generated files.
(ScannerTarget): New macro.
(clean): Clean GENSRCS as well.
(linux-dmabuf-unstable-v1.h):
(linux-dmabuf-unstable-v1.c):
(xdg-shell.h):
(xdg-shell.c):
(primary-selection-unstable-v1.h):
(primary-selection-unstable-v1.c): Remove and replace with
ScannerTarget.
* README: Announce explicit synchronization support.
* compositor.h (union _RenderFence): New union.
(struct _RenderFuncs): Add fence functions.
(struct _Surface): New fields for explicit synchronization
objects and release callbacks.
* egl.c (EglInitFuncs, EglInitGlFuncs, EglInitDisplay):
Initialize functions and extensions used for explicit
synchronization, and set render func flags.
(ImportFdFence, WaitFence, DeleteFence, HandleFenceReadable)
(GetFinishFence): New functions.
(egl_render_funcs): Add those functions.
(AddRenderFlag): New function.
* fns.c (MaybeInstallBusHandler): Fix coding style.
* picture_renderer.c (ImportFdFence, WaitFence, DeleteFence)
(GetFinishFence): New stubs.
(picture_render_funcs): Add those functions; they should never
be called.
* renderer.c (RenderImportFdFence):
(RenderWaitFence):
(RenderDeleteFence):
(RenderGetFinishFence): New wrapper functions.
* run.c (struct _PollFd, XLAddWriteFd, XLAddReadFd): Add pollfd
field to callback args.
(RunStep): Pass them to callbacks. Also, fix a comment.
* surface.c (DoRelease): New function.
(DestroySurface): Clear release if possible.
(SavePendingState, TryEarlyRelease): Extract release code to
DoRelease.
(InternalCommit): Wait for sync fences before continuing.
(Commit): Close acquire fence and release sync release object.
(HandleSurfaceDestroy): Destroy release callback and close
acquire fence.
(XLCreateSurface): Clear acquire fence field with right initial
value.
* xdata.c (NoticeTransferWritable):
(NoticeTransferReadable):
(NoticeConversionTransferReadable):
(NoticeConversionTransferWritable): Adjust arguments for new
callback data.
EGL support is still incomplete; stuff like scaling is missing.
* 12to11.c (PickVisual, XLMain): Remove function. Initialize
renderers, and rely on that to initialize the visuals.
* 12to11.man: Document new environment variables.
* Imakefile (SRCS, OBJS): Add picture_renderer.c and renderer.c
and their associated objects.
(GENHEADERS): New variable for generated headers.
(EGL_SRCS, EGL_OBJS): New variables.
(LOCAL_LIBRARIES, SRCS, OBJS, DEFINES): [HaveEglSupport]: Add
EGL defines, libraries, and objects.:(shaders.h): New rule.
(depend, cleandir): Depend on generated headers and SRCs.
$($(OBJS)): Depend on $(GENHEADERS).
* README: Write how to build with EGL support and update content
descriptions.
* buffer.c (XLPictureFromBuffer): Delete function.
(XLRenderBufferFromBuffer): New function.
(XLPixmapFromBuffer): Delete function.
* compositor.h (enum _Operation, struct _SharedMemoryAttributes)
(struct _DmaBufAttributes, union _RenderTarget)
(union _RenderBuffer, struct _RenderFuncs, struct _DrmFormat)
(struct _ShmFormat, struct _BufferFuncs, struct
_ExtBufferFuncs): New structures.
(Fallthrough): New define. Define to __attribute__
((fallthrough)) wherever supported. Replace uses of Picture
with RenderBuffer.
* dmabuf.c (struct _DrmFormatInfo): Remove structures.
(struct _BufferParams): Remove link.
(struct _Buffer): Replace pixmap and picture with render buffer
object.
(dri3_opcode, all_formats, pending_success, next_roundtrip_id)
(round_trip_window): Delete.
(ReleaseBufferParams, HandleParamsResourceDestroy, ForceRoundTrip)
(DepthForFormat, XLHandleErrorForDmabuf, PictFormatForFormat)
(DestroyBacking, GetPictureFunc, GetPixmapFunc, GetBufferFunc)
(CreateBufferFor, ModifierHigh, FinishBufferCreation)
(XLHandleOneXEventForDmabuf, CreateHeader, Create, CreateImmed)
(FindFormatMatching, FindSupportedModifiers, FindSupportedFormats)
(SendSupportedFormats, HandleBind, InitDrmDevice, WriteFormatTable)
(ReallyInitDmabuf, ReadSupportedFormats, XLInitDmabuf): Remove
various functions and reimplement as a wrapper around the
renderer abstraction, instead of DRI3.
* fns.c (struct _Busfault): New structure.
(busfault_tree, bus_handler_installed): New variables.
(GetHeight, FixHeights, RotateLeft, RotateRight, RebalanceBusfault)
(RecordBusfault, DetectBusfault, DeleteMin, RemoveBusfault)
(HandleBusfault, MaybeInstallBusHandler, BlockSigbus)
(UnblockSigbus, XLRecordBusfault, XLRemoveBusfaults): New
functions to store non-overlapping regions of mapped memory in
an AVL tree, and to ignore SIGBUS events that trap within.
* icon_surface.c (struct _IconSurface): Replace picture with
rendering target.
(ReleaseBacking, XLGetIconSurface): Use rendering targets
instead of pictures.
* libraries.def: Add defines for EGL.
* run.c (HandleOneXEvent): Replace old dmabuf code with renderer
code.
* seat.c (CursorFromRole, PictureForCursor, ApplyCursor)
(UpdateCursorFromSubcompositor, Subframe, EndSubframe): Rewrite
cursor code to use rendering targets and not pictures.
* shm.c (Buffer, DereferencePool): Remove SIGBUS protection.
(DereferenceBuffer): Reimplement in terms of renderer functions.
(GetPictureFunc): Delete function.
(GetBufferFunc): New function.
(GetPixmapFunc): Delete function.
(PrintBuffer): Remove now-broken implementation.
(DepthForFormat, PictFormatForFormat): Delete functions, as they
are now part of the rendering backend.
(IsFormatSupported): New function.
(CreateBuffer): Reimplement in terms of renderer functions.
(ResizePool): Change SIGBUS protection for resize.
(CreatePool): Protect buffer data from SIGBUS should a client
truncate the file.
(PostFormats): Reimplement in terms of RenderGetShmFormats.
(XLInitShm): Stop initializing MIT-SHM.
* subcompositor.c (IsTargetAttached): New flag and associated
macros.
(struct _View): Remove useless field.
(struct _Subcompositor): Change target to RenderTarget. Add
fields for prior damage.
(MakeSubcompositor): Initialize new fields.
(SubcompositorSetTarget): Accept RenderTarget, not picture, and
set target attached flag.
(ViewGetTransform): Delete function.
(ViewApplyTransform): New function.
(FillBoxesWithTransparency): Reimplement in terms of renderer
functions.
(StorePreviousDamage): New function.
(SubcompositorUpdate): Reimplement in terms of renderer
functions. Also, learn to deal with situations where the buffer
reflects the state 1 to 2 swaps ago.
(SubcompositorExpose): Reimplement in terms of renderer
functions.
(SubcompositorFree): Free new fields.
(SubcompositorInit): Remove no longer required initialization of
identity matrix.
* xdata.c (ReceiveBody): Fix coding style.
* xdg_surface.c (struct _XdgRole, ReleaseBacking,
XLGetXdgSurface): Switch from pictures to RenderTargets.
* xerror.c (ErrorHandler): Handle errors for picture renderer
instead of dmabuf.c.