This is in preparation for a migration to the Present extension
on systems that do not support frame synchronization.
* 12to11.man: Remove option that is no longer useful.
* Imakefile (SRCS, OBJS): Add `sync_source.c.'.
* compositor.h (enum _RenderMode): New enum.
(struct _RenderFuncs): Add some new functions.
(enum _FrameMode): Remove ModeNotifyDisablePresent.
* frame_clock.c (struct _FrameClockCallback): Add draw time to
frame callback.
(struct _FrameClock): Rearrange for alignment and remove many
unused members.
(BumpFrame): New function.
(FreezeForValue): Remove code that is no longer useful, as
clock->frozen no longer exists.
(StartFrame, EndFrame): Remove clock "freezing" logic. Only
`need_configure' remains.
(RunFrameCallbacks, NoteFakeFrame): Add frame drawn time.
(XLFrameClockAfterFrame): Adjust for new type of callback.
(XLFrameClockFreeze): Remove function.
(XLFrameClockFrameInProgress): Remove test for
`frozen_until_end_frame'.
(XLFrameClockHandleFrameEvent): Improve code in accordance with
above changes.
(XLFrameClockUnfreeze, XLFrameClockNeedConfigure): Remove
functions.
(XLFrameClockIsFrozen): Remove function.
(XLFrameClockSetFreezeCallback): Accept new callback
`fast_forward_callback'.
(XLFrameClockGetFrameTime): Remove unused function.
* icon_surface.c (struct _IconSurface, ReleaseBacking)
(ReleaseBuffer, RunFrameCallbacks, AfterFrame, Commit)
(SubsurfaceUpdate, XLGetIconSurface)
(XLHandleOneXEventForIconSurfaces): Switch the icon surface to
the sync helper abstraction, and allow asynch buffer release
from inside.
* picture_renderer.c (struct _PictureTarget): New field
`next_msc' and `render_mode'.
(SwapBackBuffers): Respect the render mode.
(InitSynchronizedPresentation): Delete function.
(InitAdditionalModifiers): Remove incorrect comment.
(InitRenderFuncs): Stop initializing obsolete option.
(SetRenderMode): New function.
(PresentToWindow): Respect the render mode.
(NotifyMsc): New function.
(picture_render_funcs): Add notify_msc.
(HandlePresentCompleteNotify): Call completion callback with the
fraame counter.
* renderer.c (RenderSetRenderMode):
(RenderNotifyMsc): New functions.
* subcompositor.c (struct _Subcompositor)
(SubcompositorSetNoteFrameCallback): Add msc and ust to note
frame callback.
(PresentCompletedCallback, RenderCompletedCallback): Call with
msc and ust.
(BeginFrame): When presentation is being synchronized and there
is no existing presentation callback, ask for an event to be
sent on the next frame.
(EndFrame): Do not clear the presentation callbacks, as the
update might not touch anything.
* test.c (NoteFrame): Update prototype.
* xdg_popup.c (InternalReposition): Stop "freezing" the frame
clock.
* xdg_surface.c (struct _XdgRole): Replace the frame clock with
the sync helper abstraction.
(RunFrameCallbacks): Run with the frame time.
(RunFrameCallbacksConditionally): Save the pending frame time.
(UpdateFrameRefreshPrediction): Delete function.
(XLHandleXEventForXdgSurfaces): Give events to the sync helper
instead.
(Unfreeze, IsRoleMapped, CheckFrame): Remove functions.
(Commit, SubsurfaceUpdate): Update using the sync helper
instead, only if not pending ack commit.
(MaybeRunLateFrame, AfterFrame): Delete functions.
(NoteConfigure, NoteBounds): Update for the sync helper.
(WriteRedirectProperty): Always require redirection for now.
Disabling redirection requires sorting out some Present problems
on the X server side.
(WasFrameQueued, NoteFrame): Delete functions.
(HandleFreeze): Delete function.
(HandleResize, CheckFastForward, HandleFrameCallback): New
functions.
(XLGetXdgSurface): Use the sync helper for most things.
(XLXdgRoleSendConfigure, XLXdgRoleReconstrain)
(XLXdgRoleGetFrameClock): Delete function.
(XLXdgRoleNoteRejectedConfigure): Clean up for using the sync
clock instead.
* compositor.h: Remove some unused prototypes.
* seat.c (DispatchButton): Remove redundant popup code as
owner-events is now handled correctly when a surface is not
found.
* xdg_popup.c (Detach, Dismiss, RecordGrabPending, CanDestroyPopup)
(Destroy, MaybeDismissPopup): Keep track of which grabbed popup
is topmost, and don't allow deleting non-topmost ones.
(HandleOneGenericEvent, XLHandleButtonForXdgPopups): Delete
functions.
* 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.
