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Author SHA1 Message Date
hujianwei
a05a62d9d0 Rework subcompositor damage culling and use a back buffer in the pict renderer 
Note that the EGL renderer has been broken by these changes.

* compositor.h (struct _RenderFuncs): Change arguments to
`finish_render'.  Add `cancel_completion_callback'.  Remove
`cancel_presentation'.
(struct _BufferFuncs): Add `is_buffer_opaque'.
* egl.c: Note that the EGL renderer is currently broken.
* fence_ring.c (FenceFree, struct _Fence, GetFence, FenceAwait)
(FenceToXFence): Repurpose fence code as a generic allocator of
fences.
* frame_clock.c (EndFrame): Adjust calculation of even value.
* picture_renderer.c (struct _BufferActivityRecord): Remove
`fence'.
(struct _PictureBuffer): Remove unused field.
(struct _PresentCompletionCallback): Remove unused fields
linking it to the target.
(struct _BackBuffer): New structure.
(IsBufferBusy, SetBufferBusy, ClearBufferBusy): New macros.
(struct _PictureTarget): Add back buffer and GC fields.
(use_sync_fences): Remove variable.
(RecordBufferActivity): Don't take fence.
(UnlinkActivityRecord): Don't wait on fence.
(FreeBackBuffer, FreeBackBuffers, CreateBackBuffer)
(MakePresentationCallback, SwapBackBuffers)
(SwapBackBuffersWithCopy, MaybeAwaitBuffer, GetNextBackBuffer)
(EnsurePicture): New functions.
(TargetFromDrawable): Don't create picture for window targets,
and create GC for those.
(NoteTargetSize): Free back buffers instead of creating
presentation windows.
(DestroyRenderTarget): Free back buffers.
(ViewContainsExtents): Delete function.
(FinishRender): Swap back buffers and handle callbacks.
(CancelCompletionCallback): New function.
(TargetAge): Implement accordingly.
(PresentToWindow, CancelPresentationCallback): Present to the
regular window instead of a separate ``presentation window''.
(CancelPresentation): Remove function.
(picture_render_funcs): Add CancelCompletionCallback; remove
NeverAges and CancelPresentation.
(BufferFromDmaBuf, FinishDmaBufRecord, BufferFromShm): Set
opaque flag accordingly.
(IsBufferOpaque): New function.
(picture_buffer_funcs): Add IsBufferOpaque.
(HandlePresentCompleteNotify, HandlePresentIdleNotify): Handle
back buffer release.

* renderer.c (RenderFinishRender, RenderCancelCompletionCallback)
(RenderCancelPresentation, RenderIsBufferOpaque): Adjust
accordingly.
* seat.c (InterpolateAxes): Fix NULL-pointer dereference.

* subcompositor.c (SetFrozen, IsFrozen): Get rid of unused
state.
(struct _View): Cache the width and height.  Add cull_region
field.
(struct _Subcompositor): Add `render_key' field.
(ViewAfterSizeUpdate): Set cached width and height.
(ViewAttachBuffer): Correctly handle size changes.
(ViewDamage): Apply buffer damage.
(ViewDamageBuffer): use ViewDamage.
(ApplyBufferDamage): New function.:(FillBoxesWithTransparency,
ViewContainsExtents, IntersectBoxes): Delete unused functions.
(RenderCompletedCallback): New function.
(NoViewsAfter): Delete function.
(SkipSlug): New slug.
(SubcompositorUpdateAncillary, TryPresent, AnyParentUnmapped)
(DoCull, DrawBackground, CompositeSingleView, InitBackground)
(SubcompositorComposite1, SubcompositorComposite): New
functions.  Implement new redisplay logic here.
(SubcompositorUpdate, CopyRegion): New function.
(SubcompositorExpose, SubcompositorFree): Clear render callback
if set.
(SubcompositorLookupView): Use cached width and height.
(SubcompositorFreeze, SubcompositorUnfreeze): Remove unused
functions.
* time.c (InitTime): Fix use of uninitialized value initializing
the Sync extension.
* transform.c (TransformBox): Pacify compiler warning.
 2022-10-29 05:21:35 +00:00
hujianwei
0b5d44537b Allow the user to manually specify format modifiers 
* 12to11.conf (DRMFOURCCH): New variable.
* 12to11.man: Document new resource.
* Imakefile (GENHEADERS): Add
drm_modifiers.h.:(drm_modifiers.h): New target.
(cleandir): Clean up.
* compositor.h: Update prototypes.
* fns.c (TransformBox): Move to transform.c.
* frame_clock.c (PostEndFrame): Use 200 us, since 100 us is not
always enough.
* picture_renderer.c (struct _DrmModifierName): New structure.
(known_modifiers): New array.
(AddAdditionalModifier, ParseAdditionalModifiers)
(InitAdditionalModifiers): New functions.
(InitRenderFuncs): Call them.
(ApplyInverseTransform): Accept buffer width and height instead
of PictureBuffer.  Move to transform.c.
(MaybeApplyTransform): Adjust calls.
(FindSupportedModifiers, InitDrmFormats): Stop adding the linear
format by default, and let the user specify it instead.
* subcompositor.c (InvertTransform): Move to transform.c.
* svnignore.txt: Add new generated header.
* transform.c (ApplyInverseTransform, TransformBox)
(InvertTransform): Move some functions here as they will be used
in the EGL backend.
 2022-10-26 06:48:59 +00:00
hujianwei
a63a7ebdd6 Fix frame timing prediction algorithm 
* compositor.h (struct _RoleFuncs): Replace subframe with
`subsurface_update'.
* dmabuf.c (ExistingModifier):
* fns.c (RebalanceBusfault): Pacify various compiler warnings.
* frame_clock.c (struct _FrameClock, PostEndFrame)
(XLFrameClockHandleFrameEvent, XLMakeFrameClockForWindow): Fix
presentation logic.  First, store absolute presentation
timestamps.  Secondly, use the frame_delay to adjust timestamps.
* icon_surface.c (Subframe): Delete function.
(SubsurfaceUpdate): New function.
(EndSubframe): Delete function.
(XLGetIconSurface): Change attached functions.
* picture_renderer.c (struct _PictureTarget, RecordBufferActivity)
(HandleActivityEvent, DestroyRenderTarget)
(FillBoxesWithTransparency, Composite, FinishRender)
(picture_render_funcs): Send roundtrip event only once, and
flush upon FinishRender.
* process.c (ProcessPendingDescriptions, RunProcess,
ProcessPoll): Don't block signals where unnecessary.
* seat.c (struct _Seat, CursorFromRole, ReleaseSeat, Subframe)
(EndSubframe, MakeCurrentCursor, HandleBind, MakeSeatForDevicePair)
(StartResizeTracking):
* subsurface.c (Subframe, EndSubframe, Commit, Teardown)
(GetSubsurface):
* surface.c (HandleScaleChanged):
* xdg_surface.c (CheckFrame, Commit, Subframe, SubsurfaceUpdate)
(EndSubframe, XLGetXdgSurface):
* xdg_toplevel.c (Unmap): Adjust for above changes, and fix some
compiler warnings.
 2022-10-24 03:45:57 +00:00
hujianwei
491f1a6a1c Slightly improve frame prediction cutoff point 
* frame_clock.c (PostEndFrame): Use 5000 us by default, only
reverting to the old algorithm if the presentation time is less
than that.
 2022-10-23 13:18:32 +00:00
hujianwei
76e40a1a74 Fix more instances of flicker in subsurfaces 
* frame_clock.c (StartFrame): If the end frame timer is being
used to, return True and reset end_frame_called.
* subcompositor.c (SubcompositorLookupView): Fix coordinate
lookup inside subsurfaces.
* xdg_surface.c (NoteFrame): Rearrange frame callback logic.
 2022-10-23 07:35:18 +00:00
oldosfan
d143b45496 Implement _NET_WM_PING and some WIP Present code 
* 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.
 2022-10-20 03:55:19 +00:00
oldosfan
713eb811ea Add support for DRM leasing and significantly rework composition code 
* 12to11.c (HandleCmdline): Improve messages printed during
-help.
(XLMain): Initialize DRM leasing.
* 12to11.man: Document changes.
* Imakefile (LOCAL_LIBRARIES): Add xcb-randr, xf86drm and
XPresent.
(SRCS): Add drm_lease.c.
(OBJS): Add drm_lease.o.
* atoms.c (names): Add CONNECTOR_ID.
(CONNECTOR_ID): New atom.
(XLInitAtoms): Intern CONNECTOR_ID.
* compositor.h (struct _RenderFuncs): Require event mask to be
passed to target_from_window.  New functions
`set_standard_event_mask', `present_to_window',
`cancel_presentation_callback', and `cancel_presentation'.
(struct _BufferFuncs): Move buffer release machinery here.
(enum _FrameMode): New enum.
* egl.c (TargetFromWindow, SetStandardEventMask,
egl_render_funcs): Adjust functions accordingly.
* frame_clock.c (struct _FrameClock): New fields
`end_frame_called' and `pending_sync_value'.
(HandleEndFrame, PostEndFrame, StartFrame, EndFrame): Clean up
frame synchronization code.  Do not end upon predicted
presentation time if EndFrame was not called in time.
(FreezeForValue): New function.
(XLFrameClockHandleFrameEvent): Defer actually freezing until
StartFrame happens.
(XLFrameClockGetFrameTime): New function.
* icon_surface.c (ReleaseBuffer): Use RenderWaitForIdle.
(RunFrameCallbacks, AfterFrame): Pass frame clock to callbacks.
Use frame time if available.
(XLGetIconSurface): Require wait_for_idle to work.
* output.c (change_hook): New hook.
(XLHandleOneXEventForOutputs): Run hook if set.
(XLOutputSetChangeFunction): New function.
(XLInitRROutputs): Select for RRResourceChangeNotify if
providers are supported.
* picture_renderer.c (struct _PresentRecord)
(struct _BufferActivityRecord, struct _IdleCallback)
(struct _PictureBuffer, struct _PictureTarget)
(struct _DrmFormatInfo, struct _DmaBufRecord)
(struct _PresentCompletionCallback): New record structures.
(all_formats, SendRoundtripMessage, FindBufferActivityRecord)
(RecordBufferActivity, RunIdleCallbacks, MaybeRunIdleCallbacks)
(UnlinkActivityRecord, HandleActivityEvent, InitRenderFuncs)
(TargetFromDrawable, TargetFromPixmap, TargetFromWindow)
(SetStandardEventMask, NoteTargetSize, PictureFromTarget)
(DestroyRenderTarget, FillBoxesWithTransparency)
(ServerRegionFromRegion, ClearRectangle, Composite)
(FindPresentRecord, AllocateRecord, PresentToWindow)
(CancelPresentationCallback, CancelPresentation)
(picture_render_funcs, FindSupportedModifiers, InitDrmFormats)
(PictFormatIsPresentable, BufferFromDmaBuf, FinishDmaBufRecord)
(BufferFromDmaBufAsync, BufferFromShm, BufferFromSinglePixel)
(FreeShmBuffer, FreeDmabufBuffer, FreeSinglePixelBuffer)
(AddIdleCallback, CancelIdleCallback, IsBufferIdle)
(IdleEventPredicate, WaitForIdle, SetNeedWaitForIdle)
(picture_buffer_funcs, HandlePresentCompleteNotify)
(HandlePresentIdleNotify, HandlePresentationEvent)
(HandleOneXEventForPictureRenderer, InitPictureRenderer): Allow
presenting pixmaps directly, and move buffer release tracking
machinery here.
* renderer.c (RenderTargetFromWindow): Update signature.
(RenderPresentToWindow, RenderCancelPresentationCallback)
(RenderCancelPresentation, RenderAddIdleCallback)
(RegisterStaticRenderer): New wrapper functions.
* run.c (HandleOneXEvent): Handle picture renderer events
earlier.
* seat.c (MaybeCreateCursor): Require wait_for_idle.
(ReleaseBuffer): Wait for buffer to become idle on each target
in the cursor ring.
* subcompositor.c (struct _Subcompositor): New callback
`note_frame'.
(SubcompositorSetNoteFrameCallback, NoViewsAfter)
(PresentCompletedCallback): New functions.
(SubcompositorUpdate): Try to present the buffer if possible,
and run completion callbacks.
(SubcompositorFree): Free presentation key.
* surface.c (XLSurfaceRunFrameCallbacksMs): New function.
* text_input.c: Improve commentary.
* xdg-shell.xml: Update from wayland-protocols.
* xdg_surface.c (struct _XdgRole): New fields `pending_frame',
`last_specified_serial'.
(struct _ReleaseLaterRecord): Replace free function with idle
callback key and xdg role pointers.
(RemoveRecord): Delete function.
(FreeRecords): Stop cancelling buffer destroy listener.
(ReleaseLaterExtBufferFunc): Delete function.
(RunFrameCallbacks): Use frame clock time if it is set.
(HandleReleaseLaterMessage): Delete function.
(BufferIdleCallback): New function.
(ReleaseLater): Delete function.
(XLHandleXEventForXdgSurfaces): Stop handling buffer release
events here.
(AckConfigure): Improve debug code and reject duplicate serials.
(Commit): Unfreeze earlier; also, in general...
(NoteFrame): Move frame handling implementation here.
(ReleaseBuffer, Subframe, EndSubframe, AfterFrame, ResizeForMap)
(SelectExtraEvents): Set standard event mask.
(XLGetXdgSurface, XLXdgRoleSendConfigure): ...Replace frame
clock logic with that in NoteFrame.
 2022-10-12 12:53:09 +00:00
oldosfan
4d2e85d002 Implement wp_viewporter support and fix scaling for fractional values 
* 12to11.c (XLMain): Initialize wp_viewporter.
* Imakefile (ETAGS): Remove unused variable.
(SRCS, OBJS): Add wp_viewporter.c and wp_viewporter.o.
(GENHEADERS): Remove unnecessary headers.
(viewporter): New scanner target.
* README: Document support for wp_viewporter.
* compositor.h (struct _ViewportExt): New forward declaration.
(struct _DrawParams): New fields for cropping and stretching.
(struct _RenderFuncs): Describe how composite works.
(struct _BufferFuncs): Make update_buffer_for_damage take
DrawParams as an argument.
(struct _State): New fields for viewporting.
(struct _Surface): New field `viewport' and associated input
delta.
(struct _XdgRoleImplementationFuncs): New field
`is_window_mapped'.  Do not commit while unmapped.
* dmabuf.c (XLInitDmabuf): Remove outdated comment.
* dnd.c (HandleMotion): Use TruncateWindowToSurface.
* egl.c (struct _EglBuffer): Add 3x3 reverse transformation
matrix.
(struct _CompositeProgram): Rename `scale' to `source'.
(Index): New macro.
(PickBetterVisual, FindVisual): Compensate for EGL picking a
non-RGBA visual.
(EglCompileCompositeProgram): Look for source, not scale.
(ComputeTransformMatrix): New function.
(Composite): Compute transformation matrix and draw using that.
(BufferFromDmaBuf, BufferFromShm): Copy identity transform and
stop setting scale.
(ReverseTransformToBox): New function.
(UpdateShmBufferIncrementally): Accept DrawParams and invert
damage according to that.
(UpdateBuffer, UpdateBufferForDamage): Pass draw params to the
incremental buffer update function.
* fns.c (XLExtendRegion): New function.
* frame_clock.c (CurrentHighPrecisionTimestamp): Delete
function.
(HighPrecisionTimestamp, HighPrecisionTimestamp32): New
functions.
(PostEndFrame): Handle X server time truncation to 32 bits.
(XLFrameClockFreeze): Remove trailing whitespace.
* picture_renderer.c (GetSourceX, GetSourceY, CompareStretch):
New functions.
(MaybeApplyTransform): Check more values before applying
transformations.  Then, handle stretch and offset.
* positioner.c (GetAdjustmentOffset, ApplyConstraintAdjustment)
(XLPositionerCalculateGeometry): Scale coordinates using new
functions.
* renderer.c (RenderUpdateBufferForDamage): Accept DrawParams
instead of scale.
* shaders.txt (Composite Rectangle Fragment Shader RGBA)
(Composite Rectangle Fragment Shader RGBX)
(Composite Rectangle Fragment Shader External): Stop
transforming texcoords.
(Composite Rectangle Vertex Shader): Transform texcoords in the
vertex shader instead.
* subcompositor.c (IsViewported, SetViewported,
ClearViewported): New functions.
(struct _View): New fields for tracking viewports and fractional
offsets.
(ViewAttachBuffer): Do not garbage upon buffer size change if a
viewport is set.
(ViewMoveFractional): New function.
(ViewDamage): Describe what the damage is and is not transformed
by.
(GetContentScale): New function.
(ViewWidth, ViewHeight): Apply viewport.
(ViewSetScale): Use ViewAfterSizeUpdate instead of duplicating
code.
(ViewSetViewport, ViewClearViewport): New functions.
(ViewComputeTransform): Compute transform for viewports.  New
arg draw; use it to determine whether or not to include a
fractional offset.
(IntersectBoxes): Fix intersection calculation.
(SubcompositorUpdate): Don't keep calling ViewWidth and
ViewHeight in a loop.
(SubcompositorExpose): Adjust for changes to buffer damage
uploading.
* subsurface.c (MoveFractional): New function.  Handle
fractional offsets after scaling.
(MaybeUpdateOutputs, AfterParentCommit, Setup, Rescale): Use
that function to move the subsurface instead.
* surface.c (ApplyScale): Update comment.
(ApplyViewport, CheckViewportValues): New functions.
(HandleScaleChanged): Apply the viewport as well upon scale
change.
(ApplyDamage): Improve damage calculation for viewported
surfaces.
(SavePendingState, InternalCommit): Save and commit viewport
state; check old values upon buffer commit.
(InitState): Initialize viewport to initial values.
(XLSurfaceRunFrameCallbacks): Handle overflows of 32-bit time at
the 49-day mark.
(SurfaceToWindow, ScaleToWindow, WindowToSurface, ScaleToSurface)
(TruncateScaleToWindow, TruncateScaleToWindow)
(TruncateWindowToSurface, TruncateScaleToSurface): New functions
for handling scale.
* xdg_popup.c (MoveWindow, IsWindowMapped, XLGetXdgPopup):
* xdg_surface.c (IsRoleMapped, Commit, Subframe)
(GetResizeDimensions, XLXdgRoleCalcNewWindowSize):
* xdg_toplevel.c (IsWindowMapped, NoteConfigureTime, SendStates)
(RecordStateSize, HandleWindowGeometryChange, NoteWindowPreResize)
(XLGetXdgToplevel): Use them instead of manually multiplying
with the factor.
 2022-09-30 01:17:47 +00:00
oldosfan
528f7ba858 Import files 2022-09-12 13:24:50 +00:00