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When wlr_output.swapchain is used instead of the backend's, the
buffer_type will be set to SCANOUT even if wlr_output_attach_render
has been called. This tricks wlr_output_damage into thinking the
whole output needs to be repainted.
Workaround this issue by forcing buffer_type to RENDER when the
output has a back-buffer set.
Will clean all of that up when removing the precommit event handler
altogether.
This commit fixes damage tracking on the Wayland, X11 and headless
backends.
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Right now we rely entirely on implicit sync for synchronizing
access to GPU buffers. Implicit sync works by setting
synchronization points on the buffer in writers, and letting
readers wait on these sync points before accessing the buffer.
With OpenGL, sync points are created using functions such as
eglSwapBuffers or glFlush. If none of these special functions
are called, no sync point will be created and readers will
potentially access a buffer that hasn't finished rendering yet.
In the context of wlroots, OpenGL is the writer and the backend
(KMS or parent Wayland/X11 session) is the reader. After we're
done rendering a frame, and before passing that frame to the
backend, we need to call glFlush.
glFlush is called when the buffer is detached from the renderer.
This is a task done by output_clear_back_buffer. So let's call
this function before invoking the impl->commit hook, instead of
calling it after.
All of this is maybe a little tricky to get right with the
current renderer_bind_buffer API. The new
wlr_renderer_begin_with_buffer API is much better, because glFlush
is called on wlr_renderer_end, so it's more intuitive.
Closes: https://github.com/swaywm/wlroots/issues/3020
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wlr_box_rotated_bounds functions
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All code-paths now invoke wlr_texture_from_buffer. De-duplicate
the calls.
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The specialized client buffer implementations take care of this.
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The only reason we had this was because of EGL_WL_bind_wayland_display
support, which has been dropped.
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Our GLES2 renderer doesn't use it anymore, so we can drop it.
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Everything needs to go through the unified wlr_buffer interface
now.
If necessary, there are two ways support for
EGL_WL_bind_wayland_display could be restored by compositors:
- Either by using GBM to convert back EGL Wayland buffers to
DMA-BUFs, then wrap the DMA-BUF into a wlr_buffer.
- Or by wrapping the EGL Wayland buffer into a special wlr_buffer
that doesn't implement any wlr_buffer_impl hook, and special-case
that buffer type in the renderer.
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This allows use to remove all of our special wl_drm support code.
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This allows renderers to choose between implementing the old
wlr_renderer_impl.texture_from_wl_drm hook, or opt for the new
wlr_drm stub. The stub has the advantage of not requiring any
special support code: stubbed wl_drm buffers look exactly like
DMA-BUFs from linux-dmabuf-unstable-v1.
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Mesa's Vulkan WSI still uses wl_drm when modifiers aren't supported.
This has been fixed in [1] but will take some time to be propagated
to users. In the meantime, add a fallback.
[1]: https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/4942
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This will allow us to remove all of our EGL wl_drm support code
and remove some weird stuff we need just for wl_drm support. In
particular, wl_drm buffers coming from the EGL implementation
can't easily be wrapped into a wlr_buffer properly.
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The previous fix tried to side-step cursor->pending_fb completely.
However that messes up our buffer locking mechanism.
Instead, stop clearing the pending cursor FB on a failed commit. The
pending cursor FB will remain for the next commit.
Fixes: 6c3d080e25e5 ("backend/drm: populate cursor plane's current_fb")
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This reverts commit 6c3d080e25e56404228ad7704eed43e40fa0c623.
Populating wlr_drm_plane.current_fb messes up the buffer's locking.
The previous buffer is released while it's still being displayed
on-screen.
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As per [1], the mailing list isn't used anymore.
[1]: https://github.com/swaywm/wlroots/pull/3016
Fixes: 82af6e720870 ("region: stabilize interface")
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References: https://github.com/swaywm/wlroots/issues/1008
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The mailing list has never been used.
I think listing the deprecated functions in the release notes is
enough. I'd rather not add the burden of maintaining a separate
communication medium.
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We were bumping the pending sequence number after emitting the
commit event, so commit handlers were seeing inconsistent state
where current.seq == pending.seq. This prevents commit handlers
from immediately locking the pending state.
Fix this by bumping the pending sequence number before firing the
commit event.
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Instead of using a single-field wl_list, let's just use a wl_array.
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Custom backends and renderers need to implement
wlr_backend_impl.get_buffer_caps and
wlr_renderer_impl.get_render_buffer_caps. They can't if enum
wlr_buffer_cap isn't made public.
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These were hardcoded to 1. Instead, create the resource with the
version of the parent object.
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We never create an EGL context with the platform set to something
other than EGL_PLATFORM_GBM_KHR. Let's simplify wlr_egl_create by
taking a DRM FD instead of a (platform, remote_display) tuple.
This hides the internal details of creating an EGL context for a
specific device. This will allow us to transparently use the device
platform [1] when the time comes.
[1]: https://github.com/swaywm/wlroots/pull/2671
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There are still many situations where the buffer scale is not
divisible by scale. The fix will require a tad more work, so
let's just log the client error for now and continue handling
the surface commit as usual.
Closes: https://github.com/swaywm/sway/issues/6352
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Same as [1], but for wlr_subsurface.
[1]: https://github.com/swaywm/wlroots/pull/2814
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surface_create is now private, so no need to worry about the version
being too high anymore.
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These weren't set in the build, thus Meson was just dropping them
in the generated file.
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New warnings can be hard to notice in CI, since CI will just pass in
that case. Meson sometimes uses warnings for important mistakes, e.g.
invalid option.
Let's turn warnings into errors so that we can spot these more easily.
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This build option doesn't exist anymore.
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meson.build_root() is deprecated.
References: https://github.com/mesonbuild/meson/pull/8629
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