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This reverts commit ea7357b70366588069c83f158e6a4eb2d3a702b3.
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See [1] for the motivation.
[1]: https://gitlab.freedesktop.org/wayland/wayland-protocols/-/merge_requests/75
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Instead of ensuring the renderer and allocator are initialized in each
backend, do it in wlr_backend_autocreate. This allows compositors to
create backends without any renderer/allocator if they side-step
wlr_backend_autocreate.
Since the wlr_backend_get_renderer and backend_get_allocator end up
calling wlr_renderer_autocreate and wlr_allocator_autocreate, it sounds
like a good idea to centralize all of the opimionated bits in one place.
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Add render/allocator/ and include/render/allocator/ to hold
everything allocator-related.
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This is now unconditionally set to WLR_OUTPUT_STATE_BUFFER_SCANOUT.
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Co-authored-by: Simon Ser <contact@emersion.fr>
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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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Right now, when a new output state field is added, all backends by
default won't reject it. This means we need to add new checks to
each and every backend when we introduce a new state field.
Instead, introduce a bitmask of supported output state fields in
each backend, and error out if the user has submitted an unknown
field.
Some fields don't need any backend involvment to work. These are
listed in WLR_OUTPUT_STATE_BACKEND_OPTIONAL as a convenience.
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Rely on wlr_output's generic swapchain handling.
We still need a renderer for cursor readback, sadly.
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Instead of passing a wlr_texture to the backend, directly pass a
wlr_buffer. Use get_cursor_size and get_cursor_formats to create
a wlr_buffer that can be used as a cursor.
We don't want to pass a wlr_texture because we want to remove as
many rendering bits from the backend as possible.
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When picking a format, the backend needs to know whether the
buffers allocated by the allocator will be DMA-BUFs or shared
memory. So far, the backend used the renderer's supported
buffer types to guess this information.
This is pretty fragile: renderers in general don't care about the
SHM cap (they only care about the DATA_PTR one). Additionally,
nothing stops a renderer from supporting both DMA-BUFs and shared
memory, but this would break the backend's guess.
Instead, use wlr_allocator.buffer_caps. This is more reliable since
the buffers created with the allocator are guaranteed to have these
caps.
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Instead of managing our own renderer and allocator, let the common
code do it.
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This new functions cleans up the common backend state. While this
currently only emits the destroy signal, this will also clean up
the renderer and allocator in upcoming patches.
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wlroots' dependency on this library doesn't change the features
exposed to compositors. It's purely a wlroots implementation detail.
Thus downstream compositors shouldn't really care about it.
Introduce an "internal_features" dictionary to store the status of
such internal dependencies.
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We cannot scan-out DMA-BUFs with any flag right now.
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We need to adjust the second translation depending on the transform
we applied.
Fixes: 9601a2abf024 ("output: improve transform matrix calculation"
Closes: https://github.com/swaywm/wlroots/issues/2774
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Compute only the transform matrix in the output. The projection matrix
will be calculated inside the gles2 renderer when we start rendering.
The goal is to help the pixman rendering process.
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When a new texture is set, the hotspot may actually belong to the
previous texture and be out of bounds. Rather than incur X errors for
these, clamp the hotspot to be inside of the texture.
This fixes weston examples updating their cursors (e.g.
weston-eventdemo).
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This allows us to easily iterate on all features and only deal with
bools.
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We don't need it anymore now that we've stopped using the EGL Xlib
platform.
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Fixes #2659
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The X11 backend uses the Present extension to schedule frames. The
refresh rate is unused.
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When we receive an Expose event, that means that we must redraw that
region of the X11 window. Keep track of these regions with pixman
regions, and merge them with the additional output damaged regions.
Fixes #2670
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These are ones I see log messages about in my setup.
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This makes full-screen with weston-terminal work.
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The transform matrix was all 0's, which meant that effectively nothing
got rendered other than the clear color.
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The region variable was shadowed in an if block. As a result, in the
outer block region was always XCB_NONE and was never destroyed (causing
a memory leak on the server).
Reported-by: Ilia Mirkin <imirkin@alum.mit.edu>
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This actually simplifies the logic since we no longer have to wait for
enter/leave events, and also improves the UX when e.g. handling a crash
with gdb attached.
See #2659
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Just in case.
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Add fallbacks when DRI3 1.2 isn't supported.
Closes: https://github.com/swaywm/wlroots/issues/2586
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Instead of requiring callers to manually make the EGL context current
before binding a buffer and unsetting it after unbinding a buffer, do
it inside wlr_renderer_bind_buffer.
This hides renderer-specific implementation details inside the
wlr_renderer interface. Non-GLES2 renderers may not use EGL.
This removes all EGL dependencies from the backends.
References: https://github.com/swaywm/wlroots/issues/2618
References: https://github.com/swaywm/wlroots/pull/2615#issuecomment-756687006
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