Emit errors for all the variables that were being expanded
if an error occurs while parsing a property value at compute time.
Include the variables that are being expanded in the error message.
Pass the bytes we're parsing to the sections, and keep a pointer
to them around, so we can compare them in the has_section
implementation.
This commit also corrects some of the location information that
we add into the section for variables to be more accurate.
We were doing it in one case, but forgetting it in another.
These sections are necessary to report meaningful error locations
when parsing property values at compute time.
When we compute values, the provider we use ends up being the
style cascade. If we hit a parser error when parsing variable-bearing
property values at compute time, we emit the error on that provider.
By making the cascade propagate the error back to the proper css
provider that contains the section in question, we get it reported
back to the css editor in the inspector.
This will be necessary for supporting variables in animations.
For this we need to pass all the gtk_css_value_compute() parameters into
GtkCssAnimatedStyle: parent style and provider.
We'll need this to support variables in @keyframes, since styles will
need to combine their own variables and the ones from the keyframes.
See the next commit, this one is split out to avoid a huge diff.
In case the context's only reference was held by being the current
context, setting the new context would free it.
Resetting it later would then be a use-after-free.
Fixes#6694
Currently, GTK does not check the result of vkAcquireNextImageKHR() and
assumes that it always succeeds. As a result, the vkQueuePresentKHR() is
unconditionally set to wait for the semaphore passed to
vkAcquireNextImageKHR() earlier.
However, if vkAcquireNextImageKHR() fails for some reason, the semaphore
passed to it does not get signalled. This causes the presentation
command to wait for the semaphore to be signalled indefinitely, which
causes GTK to hang.
This change adds error handling around vkAcquireNextImageKHR() to make
GTK recreate the Vulkan swapchain when it is necessary or beneficial and
helps avoiding situations that could cause indefinite waits.
The docs for GtkBuilderListItemFactory previously stated that the
template must extend GtkListItem. However, this is not always true.
GtkListView has headers which must extend GtkListHeader, and
GtkColumnView has its own types.
Clarified this in the GtkBuilderListItemFactory docs, and specified the
expected types in the GtkColumnView, GtkListView, and GtkGridView docs.
On Windows, gsize is a long long unsigned. The compiler complains about
that.
Use G_GSIZE_FORMAT which translates to %llu on Windows, %lu on most
platforms, and sometimes just %u on rare cases.
This reverts commit 84a304e66e.
This produces marks that are confusing to me. They don't correlate
with actual gaps in the frame cycle and often overlap with regular
'window presented' marks. Also, the function we are emitting these
marks from is called from the get_frame_time getter, and we
definitely don't want to emit marks from there.
GTK_ACCESSIBLE_ROLE_GENERIC is for
"a nameless container that has no semantic meaning of its own",
for which AT-SPI role ATSPI_ROLE_PANEL [1]
("A generic container that is often used to group
objects.") fits better than ATSPI_ROLE_FILLER
("A object that fills up space in a user interface."),
so map to this one.
With this in place, widgets like GtkBox are again
reported with the panel role on AT-SPI level after
commit a86923de94
("a11y: Change the role for many containers"),
whose commit message suggests that the change
on the AT-SPI level was unintended.
For GTK_ACCESSIBLE_ROLE_GROUP, use the corresponding
ATSPI_ROLE_GROUPING ("A group of related widgets.
This group typically has a label.").
[1] https://docs.gtk.org/atspi2/enum.Role.html
In order for the size change check to make sense, vk_pipeline_cache_size
needs to correspond to the size of the cache we last wrote to disk.
We were forgetting to update it after saving the cache, so the
check was ineffective.
If the svg doesn't use the symbolic style classes, we can avoid
loading it multiple times.
This brought the time for loading system-run-symbolic at 256@2
from 6.8ms down to 2ms.
Add an 'only_fg' argument to all our internal texture utility
api, so GtkIconTheme can find out if a symbolic png or svg uses
colors beyond the foreground or not.
This information is used in gtk_symbolic_paintable_snapshot_symbolic
to optimize rendering of such symbolic icons.
We want to store some metadata in our symbolic pngs, so make it
possible to get options when loading a png, along with the texture.
Update all callers.
In particular, add all the dmabuf texture details.
I originally wanted this just to see if a texture was the type I
expected it to be while debugging, but then I thought "why not add the
rest, too?"
I did not add GL-internal texture details (like GL format,
internalformat etc), because that would require a make_current().
Use different codepaths for known formats vs unknown formats.
Be more careful with unknown formats and always import them as
GL_TEXTURE_EXTERNAL_OES when possible (GL can't do EXTERNAL) to avoid
problems.
This is a more defensive approach towards older drivers that don't
support modifiers.
This fixes importing YUV textures on AMD Gen8.
Another approach would be to check for YUV and never try
GL_TEXTURE_2D with them, but I decided to go this way first.
Fixes#6668
Due to rounding errors, it is possible after intersecting a lot of
rectangles to end up with a tiny size for an offscreen. And because we
allow an epsilon before ceil()ing to an integer (see commit afc7b46264
for details) it is now possible that we end up with a size of 0.
Avoid that by always enforcing a minimum size of 1px.
Test included
The test uses a different codepath to arrive at the same problem - it
specifies the small size instead of triggering it via rounding errors
and clipping like the original bug (and most likely the more common case
to encounter this problem.
Fixes#6656
Use a format of
[XXX] SYMBOL DETAILS
where SYMBOL indicates the offloading status:
🗙 - no offload
▲ - offload above, with background
△ - offload above, no background
▼ - offload below, with background
▽ - offload below, no background
The VK_IMAGE_LAYOUT_UNDEFINED layout means that the data hold by the
texture can be discarded, and we don't want to discard it. Because the
Vulkan spec is unclear (see [1] for a discussion), err on the side of
caution and use VK_IMAGE_LAYOUT_GENERAL.
Fixes import failures with WebKit.
[1] https://github.com/ValveSoftware/gamescope/issues/356
Visual Studio (and possibly other non-GCC compilers) do not like
uses of #-preprocessor directives in macro usage (warning C5101: use of
preprocessor directive in function-like macro argument list is undefined
behavior is also shown), so fix the build by defining another macro
accordingly.
This adds support for setting a string used to describe the operation of a control,
if there's something special about it.
This is mapped to the HelpText property in the AT-SPI2 backend,
and has equivalent in others.
Popping an event of the queue in the IMContext handler
prevents it from being forwarded to the NSApp, in case the
(key) event was not handled by IMContext.
So I reverted to a mix of the original (4.13) and new (4.14.1) behavior
for fetching events: NSEvent lookup for IMContext uses loose matching,
so it can work with rewritten events. When sending events to NSApp, only
we're checking for an exact match.
Now in-app keyboard shortcuts (e.g. Ctrl-F2) work from within text
fields again.
We prefer it over the old DESKTOP_STARTUP_ID environment variable if we
have it and it is valid.
We have to stash and unset XDG_ACTIVATION_TOKEN in addition to
DESKTOP_STARTUP_ID now as well. This makes sure that we don't call any
library functions which might rely on some environment variables. This
way unsetting the environment variables is safe and we can then
afterwards validate and print warnings.
in the old approach it was possible that one NSEvent was
sent to the underlying NSApp multiple times. This resulted in
those events being forwarded to our (glib) event queue again.
The visual result was that no screen updates were done. Under the hood
the application was very busy with passing events around.
By popping the events off of our event queue, we make sure they're sent
only once.
Do the same checks for background coordinates that we do for the
subsurface coordinates themselves: they must be integral in both
application and device pixels.
Spew a bit less per-frame. Unfortunately, we still spew for
every frame, and fixing that would require more extensive
refactoring to centralize all logging in gskoffload.c
These cause harm in connection with subprojects if the subprojects
yield to a deprecated option. So just rip the bandaid off and
drop the deprecated build options.
A floating reference is returned, not a full reference. By having no
annotation, like for all other widget constructors, the correct default
is used again.
For now, this just applies the shadow from the widget's style,
there is no way to apply different shadows to text ranges (except
for the selection, which already has its own css style).
The intent of this change to get wider testing and verify that the
Vulkan drivers we get to use in the wild are good enough for our
needs. If significant problems show up, we will revert this change
for 4.16.
The new preference order is vulkan > ngl > gl > cairo.
The gl renderer is still there because we need it to support gles2.
If you need to override the default renderer choice, you can
still use the GSK_RENDERER environment variable.
Fixes: #6537
Replace the font options with the new font rendering setting.
The font options are still available for tweaking in the inspector
as properties of the GtkSettings object.
Add a high-level setting that gives us more freedom to tweak
font rendering knobs according to our needs. It has a 'manual'
value that lets users continue to influence font rendering using
the low-level font-related settings as before.
Once the schemas have this, we can support setting this session-wide.
See https://gitlab.gnome.org/GNOME/gsettings-desktop-schemas/-/merge_requests/79
The initial implementation of 'automatic' font rendering is fairly
simplistic: if the monitor dpi is less than 200, prefer sharpness,
so turn on metrics hinting and slight hinting. If the monitor dpi
is at least 200, we both off.
Change the default value to TRUE. This is because we want to stop
hardcoding this value for unscaled situations, but we don't want
to change everybody's font rendering.
GdkVulkanContext is deprecated and only exposed in the api because
we need it as return type of the (deprecated)
gdk_surface_create_vulkan_context() API.
This property allows explicit control over whether to draw
a black background behind offloaded content or not, instead
of relying on the theme background.
In fetch_net_wm_check_window(), before updating the wmspec_check_window, a
check is performed to verify a 15s difference between last_wmspec_check_time
and the current monotonic time.
The comment suggests that this check is done to ensure that it doesn't check
for a new check window repeatedly over and over again. While that was the case
origionally, currently the last_wmspec_check_time only gets updated when
wmspec_check_window is set, which is already checked earlier, making the time
check useless.
This check causes issues on cold boots where gtk4 applications are not able
to obtain the wmspec_check_window until 15 seconds after boot, making gtk
unable to check for extended wm_hints during that time.
Fixes: #6558
Do the backend call before changing the stacking order in the
frontend. This is necessary so the backend can look at the current
stacking order to determine if it will change.
Only commit things that have changed. In the ideal scenario, only
the texture changes from frame to frame, and all the sizing related
setup and the background stay the same, causing the least amount
of work in the compositor.
Rename things so they make more sense. The dest/source naming got
a bit unclear when we added background into the mix. Now we're going
for:
source_rect - the texture region to display
texture_rect - dimensions of the subsurface showing the texture
background_rect - dimensions of the background subsurface
bounds - union of texture_rect and background_rect
Also use this opportunity to add some api docs.
Detect a black color node below the texture node and pass that
information to the subsurface, to take advange of the single-pixel
buffer optimization.
To make this work, we need to stop using the bounds of the subsurface
node for sizing the offload, and instead use either the clip or
the texture node for that.
Make it possible for subsurfaces to have a black background on a
secondary subsurface below the actual subsurface. Using a single-pixel
buffer for that background increases the changes that the compositor
will use direct scanout for the actual subsurface.
This changes the private subsurface API. All callers have been
updated to pass an empty background rect.
This is useful for debugging offloading without having to rely
on gstreamer giving us dmabufs. To use it, set
GDK_DEBUG=force-offload
in the environment.
- Fix link to the security policy
- Drop the confusing note about SSH access (with the old URL)
- Use modern idiomatic Meson subcommands for configuring and building
- Use `git switch` instead of `git checkout`
- Specify that you should always use merge requests, not patches
- Link to the handbook instead of the wiki
The compiler (gcc 13.2) thinks that `t` could be used uninitialised.
That’s obviously not the case, because there’s always going to be at
least one loop iteration due to the initial values of `t1` and `t2`.
Change the loop to a `do…while` to make that a bit clearer to the
compiler without making any functional changes to the code.
Signed-off-by: Philip Withnall <pwithnall@gnome.org>
If there somehow end up being no `supported_versions`, `ctx` would end
up being dereferenced before being initialised. While I think that’s
unlikely, the compiler doesn’t know that, so let’s just initialise the
variable unconditionally.
Signed-off-by: Philip Withnall <pwithnall@gnome.org>
We were getting our gl and dmabuf texture mixed up and ending
up freeing the Texture structs while they were still used as
callback data for dmabuf texture destroys. Avoid that by keeping
separate pointers for the gl and dmabuf textures.
Fixes: #6623
The goal is to generate an offscreen at 1x scale.
When not ceil()ing the numbers the offscreen code would do it *and*
adjust the scale accordingly, so we'd end up with something like a
1.01x scale.
And that would cause the code to reenter this codepath with the goal to
generate an offscreen at 1x scale.
And indeed, this would lead to infinite recursion.
Tests included.
Fixes#6553
The parsing for a `GTK_TYPE_SHORTCUT_ACTION` on a GtkShortcut in a
builder file can fail, resulting in a `NULL` GtkShortcutAction. This
currently does not result in any warnings, potentially making typos in
builder files tricky to debug.
Since `gtk_shortcut_action_parse_builder()` already sets an error if it
fails, we can just use that and simply return false.
This drops cursor and eraser source names to account for their removal
from GdkInputSource so that GDK_DEBUG=input debug message correctly
prints source type in X11 environment.
Fixes: c1d90273 ("gdk: Drop GDK_SOURCE_ERASER")
Fixes: 3285f52d ("gdk: Drop GDK_SOURCE_CURSOR")
Closes: #6619
When we look for the texture to attach to the subsurface, keep
track of transforms we see along the way, and look at their scale
component to determine if the texture needs to be flipped.
We currently don't allow rotations here.
This fixes glarea rendering being upside-down when offloaded.
Allow to specify a D₂ transform when attaching a texture to a
subsurface, to handle flipped and rotated content. The Wayland
implementation handles these transforms by setting a buffer
transform on the subsurface.
All callers have been updated to pass GDK_TEXTURE_TRANSFORM_NORMAL.
GtkShortcutManager allows adding controllers to it. For the default
implementation, they get added to one of two models, based on the
propagation phase (either GTK_PHASE_CAPTURE or GTK_PHASE_BUBBLE).
However, when a controller is removed, its presence in the manager gets
checked against the current propagation phase of the controller, which
may have changed from when it was added. This can lead to crashes if the
controller was not disposed properly since it still has a reference in
one of the two models of the GtkShortcutManager.
To fix this, add a callback for `notify::propagation-phase`, which
removes the controller from all possible models and readds it again with
its current phase. This callback is only disconnected permanently when
the controller is manually removed with
`gtk_shortcut_manager_default_remove_controller()`.
Closes#6246
Remove duplicate descriptions of the switch's appearance, describe more
particularly how the default signal handler for `GtkSwitch::state-set`
behaves, and add a suggestion that the `state` property should
only be set when communicating a delayed state change.
Fixes#6600
This reverts commit 3d898af736.
The commit caused a regression where, depending on the update policy,
we would not apply value changes at all.
Fixes: #6599
Use the existing `gtk_at_spi_translate_coordinates_to_accessible`
to translate the coordinates passed as parameters to AT-SPI
Text's GetOffsetAtPoint method instead of having a
custom GtkWidget-specific translation.
This makes this work for non-GtkWidget GtkAccessibles
as well, and also adds support for parent-relative
coordinates (ATSPI_COORD_TYPE_PARENT).
With the fix from the previous commit in place,
trying to use the GetOffsetAtPoint AT-SPI Text method
from Accerciser's IPython console with the gtk4-demo
Hypertext example would still give this error:
In [46]: acc.queryText().getCharacterExtents(5, pyatspi.XY_WINDOW)
Out[46]: (58, 20, 5, 19)
In [47]: acc.queryText().getOffsetAtPoint(59, 21, pyatspi.XY_WINDOW)
---------------------------------------------------------------------------
Error Traceback (most recent call last)
Cell In[47], line 1
----> 1 acc.queryText().getOffsetAtPoint(59, 21, pyatspi.XY_WINDOW)
File /usr/lib/python3/dist-packages/pyatspi/text.py:346, in Text.getOffsetAtPoint(self, x, y, coordType)
331 def getOffsetAtPoint(self, x, y, coordType):
332 """
333 Get the offset of the character at a given onscreen coordinate.
334 The coordinate system used to interpret x and y is determined
(...)
344 -1 if the point is outside the bounds of any glyph.
345 """
--> 346 return Atspi.Text.get_offset_at_point(self.obj, x, y, coordType)
Error: atspi_error: Did not receive a reply. Possible causes include: the remote application did not send a reply, the message bus security policy blocked the reply, the reply timeout expired, or the network connection was broken. (1)
and the gtk4-demo output would show the actual problem:
(gtk4-demo:563491): GLib-GIO-WARNING **: 13:18:27.652: Type of return value is incorrect: expected '(i)', got '(u)'
Fix this by returning an int as expected.
With this in place, the result is now as expected:
In [48]: acc.queryText().getCharacterExtents(5, pyatspi.XY_WINDOW)
Out[48]: (58, 20, 5, 19)
In [49]: acc.queryText().getOffsetAtPoint(59, 21, pyatspi.XY_WINDOW)
Out[49]: 5
Trying to use the AT-SPI Text GetOffsetAtPoint method
didn't work.
For example, trying to use it from Accerciser's IPython
console with the gtk4-demo Hypertext example, would
give this error:
In [45]: acc.queryText().getOffsetAtPoint(59, 21, pyatspi.XY_WINDOW)
---------------------------------------------------------------------------
Error Traceback (most recent call last)
Cell In[45], line 1
----> 1 acc.queryText().getOffsetAtPoint(59, 21, pyatspi.XY_WINDOW)
File /usr/lib/python3/dist-packages/pyatspi/text.py:346, in Text.getOffsetAtPoint(self, x, y, coordType)
331 def getOffsetAtPoint(self, x, y, coordType):
332 """
333 Get the offset of the character at a given onscreen coordinate.
334 The coordinate system used to interpret x and y is determined
(...)
344 -1 if the point is outside the bounds of any glyph.
345 """
--> 346 return Atspi.Text.get_offset_at_point(self.obj, x, y, coordType)
Error: atspi_error: Unsupported coordinate space (1)
and the gtk4-demo output would show the actual problem:
(gtk4-demo:562820): GLib-CRITICAL **: 13:14:10.862: the GVariant format string '(i&s)' has a type of '(is)' but the given value has a type of '(iiu)'
(gtk4-demo:562820): GLib-CRITICAL **: 13:14:10.863: g_variant_get: assertion 'valid_format_string (format_string, TRUE, value)' failed
Specify the proper type, which gets us one step further at least.
Instead of reimplementing translating coordinates
relative to a GtkAccessible in a way that requires
that the GtkAccessible is a GtkWidget, reuse the
existing helper function
`gtk_at_spi_translate_coordinates_from_accessible`
in the implementations of AT-SPI Text methods
GetCharacterExtents and GetRangeExtents.
This makes the implementation work for non-GtkWidget
GtkAccessibles, adds support for parent-relative
coordinates (ATSPI_COORD_TYPE_PARENT)
and also fixes an issue with incorrect extents
being reported in a quick test with the "Hypertext"
sample from gtk4-demo.
Sample for querying extents in Accerciser's IPython
console for the Hypertext sample previously gave this
result:
In [39]: acc.queryText().getCharacterExtents(5, pyatspi.XY_WINDOW)
Out[39]: (58, 20, -53, -1)
Now, a positive width and height are returned as expected and
the result matches the one when using the GTK 3 version
in gtk3-demo:
In [1]: acc.queryText().getCharacterExtents(5, pyatspi.XY_WINDOW)
Out[1]: (58, 20, 5, 19)
Move the (so far) local helper functions used for the
AT-SPI Component method implementations,
`translate_coordinates_from_accessible` and
`translate_coordinates_to_accessible` to
`gtkatspiutilsprivate` and add a "gtk_at_spi_"
prefix to the function names.
This will allow to reuse them elsewhere in
upcoming commits.
We still keep the editable implementation, since not all our
editable widgets implement GtkAccessibleText yet, but the label,
inscription and textview implementations are unused.
This should give us more flexibility for buffer size vs surface
size.
Unfortunately, mutter doesn't play along currently, so this is
only useful for kwin, weston or sway.
This app has a dynamic cursor that is the GTK logo, loaded from
an SVG to make it come out at the nominal size of the cursor
theme, while taking fractional scaling into account.
Add a variant of GdkCursor that obtains the texture for the cursor
via a callback. The callback gives us the flexibility to handle
fractional scales and update the cursor for cursor theme size
changes as well as scale changes.
There is some question if this needs to be clipped to widget extents
- if the textview is in a scrolled window, we can easily return
extents here that go beyond the window or event the screen.
This works better for cff fonts, where hinting is not as local as
what the autohinter does for ttf fonts, and it does not seem to
have negative effects.
Fixes: #6577Fixes: #6568
It turns out that we mispositioned glyphs with some cff fonts
when metrics hinting is off, and hinting is on. Since we don't
fully understand the interactions of these settings at this point,
lets preserve metrics hinting as it was on the font we got.
This at least gives folks a workaround for when they experience
clipped rendering with cff fonts: Turn on hint-metrics.
We forced hint metrics off here because it made Pango do some
creative wfh for hex boxes at small sizes, but I've dropped that
on the Pango side.
This attempts to improve the accuracy for the "presentation_time" of an
individual GdkFrameTimings. That information is currently filled in as soon
as we get a frame callback. However, if presentation-time wayland protocol
is available, that will be used to supliment a more accurate time which
may improve future presentation-time predictions within GdkFrameClockIdle.
The protocol states that all related and sub surfaces will receive the
same information so it is safe that this could be registered for more
than just the toplevel. The information becomes idempotent.
When no action is selected, use the default cursor, and only
switch to one of the action-indicating cursors when we are over
a drop target.
Fixes: #6337Fixes: #6511
In a very particular situation, it could happen that our renderpass
reordering did not work out.
Consider this nesting of renderpasses (indentation indicates subpasses):
pass A
subpass of A
pass B
subpass of B
Out reordering code would reorder this as:
subpass of B
subpass of A
pass A
pass B
Which doesn't sound too bad, the subpasses happen before the passes
after all.
However, a subpass might be a pass that converts the image for a texture
stored in the texture cache and then updates the cached image.
If "subpass of A" is such a pass *and* if "subpass of B" then renders
with exactly this texture, then "subpass of B" will use the result of
"subpass of A" as a source.
The fix is to ensure that subpasses stay ordered, too.
The new order moves subpasses right before their parent pass, so the
order of the example now looks like:
subpass of A
pass A
subpass of B
pass B
The place where this would happen most common was when drawing thumbnail
images in Nautilus, the GTK filechooser or Fractal.
Those images are usually PNG files, which are straight alpha. They are then
drawn with a drop shadow, which requires an offscreen for drawing as
well as those images as premultipled sources, so lots of subpasses happen.
If there is then a redraw with a somewhat tricky subregion, then the
slicing of the region code could end up generating 2 passes that each draw
half of the thumbnail image - the first pass drawing the top half and the
second pass drawing the bottom half.
And due to the bug the bottom half would then be drawn from the
offscreen before the actual contents of the offscreen would be drawn,
leading to a corrupt bottom part of the image.
Test included.
Fixes: #6318
We write the buffers in small chunks, and we even sometimes read it. So
prefer it when it's cached.
Speeds up the text benchmarks by a factor of 3x on my dedicated GPU.
If glBufferStorage() is available, we can replace our usage of
glBufferSubData() with persistently mapped storage via
glMappedBufferRange().
This has 1 disadvantage:
1. It's not supported everywhere, it requires GL 4.4 or
GL_EXT_buffer_storage. But every GPU of the last 10 years should
implement it. So we check for it and keep the old code.
The old code can also be forced via GDK_GL_DISABLE=buffer-storage.
But it has 2 advantages:
1. It is what Vulkan does, so it unifies the two renderers' buffer
handling.
2. It is a significant performance boost in use cases with large vertex
buffers. Those are pretty rare, but do happen with lots of text at a
small font size. An example would be a small font in a maximized VTE
terminal or the overview in gnome-text-editor.
A custom benchmark tailored for this problem can be created with:
tests/rendernode-create-tests 1000000 text.node
This creates a node file called "text.node" that draws 1 million text
nodes.
(Creating that test takes a minute or so. A smaller number may be useful
on less powerful hardware than my Intel Tigerlake laptop.)
The difference can then be compared via:
tools/gtk4-rendernode-tool benchmark --runs=20 text.node
and
GDK_GL_DISABLE=buffer-storage tools/gtk4-rendernode-tool benchmark --runs=20 text.node
For my laptop, the difference is:
before: 1.1s
after: 0.8s
Related: !7021
It's not just unused, it's also wrong.
We are reading from the buffer when reallocating the vertex buffer
and memcpy()ing the old into the new buffer - at that point we read from
it.
We cannot depend on the exact event, since some events (e.g. for popups)
are rewritten. Therefore we need to determine the NSEvent based on
heuristics. The usual suspects are event type, device and timestamp.
This allows us to fix IMContext for popups.
When ops get allocated that use the same stats as the last op, put them
into the same ShaderOp. This reduces the number of ShaderOps we need to
record, which has 3 benefits:
1. It's less work when iterating over all the ops.
This isn't a big win, but it makes submit() and print() run a bit
faster.
2. We don't need to manage data per-op.
This is a large win because we don't need to ref/unref descriptors
as much anymore, and refcounting is visible on profiles.
3. We save memory.
This is a pretty big win because we iterate over ops a lot, and when
the array is large enough (I've managed to write testcases that makes
it grow to over 4GB) it kills all the caches and that's bad.
The main benefit of all this are glyphs, which used to emit 1 ShaderOp
per glyph and can now end up with 1 ShaderOp for multiple text nodes,
even if those text nodes use different fonts or colors - because they
can all share the same ColorizeOp.
With potentially multiple ops per ShaderOp, we may encounter situations
where 1 ShaderOp contains more ops than we want to merge. (With
GSK_GPU_SKIP=merge, we don't want to merge at all.)
So we still merge the ShaderOps (now unconditionally), but we then run
a loop that potentially splits the merged ops again - exactly at the
point we want to.
This way we can merge ops inside of ShaderOps and merge ShaderOps, but
still have the draw calls contain the exact number of ops we want.
This just introduces the variable and sets it to 1 everywhere.
The ultimate goal is to allow one ShaderOp to collect multiple ops into
one, thereby saving memory in the ops array and leading to faster
performance.
In an autobuilder environment, there will typically be no hardware GPU
available, so Mesa will fall back from hardware to Zink to software
rendering. Unfortunately, Zink logs to stderr during loading if no
hardware GPUs are available. This particular test asserts that stderr
has desired contents, which means Zink's extra output causes the test
to fail. We can bypass this by disabling use of Zink.
Resolves: https://gitlab.gnome.org/GNOME/gtk/-/issues/6478
Signed-off-by: Simon McVittie <smcv@debian.org>
When grabbing the seat for an xdg popup using xdg_popup_grab() in response
to a touch-end event, we request the grab a little late and the touch is no
longer being tracked by gdkseat. This means that
_gdk_wayland_seat_get_last_implicit_grab_serial() right now can not provide
us with the serial for that touchpoint, because that serial was stored on
the GdkWaylandTouchData that is already gone.
To still provide the compositor a valid serial in that case, store the
serial of the latest touchpoint more persistently in GdkWaylandSeat itself,
so that we can still access it when the touchpoint has already ended.
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