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Prior to this commit, compositors needed to render the texture to an
intermediate off-screen buffer using wlr_renderer APIs if they wanted to
use a custom rendering path (e.g. render to a 3D scene).
A new wlr_gles2_texture_get_attribs exposes the GL texture target and ID
so that compositors can render wlr_textures with their own shaders. An
example of a compositor doing so is available at [1].
[1]: https://git.sr.ht/~sircmpwn/wxrc/tree/3db905b7842ac42cf1878876e647005b41f00a52/src/render.c#L227
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Define both MESA_EGL_NO_X11_HEADERS and EGL_NO_X11 for
backward combatibility.
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The documentation for wayland-server.h says:
> Use of this header file is discouraged. Prefer including
> wayland-server-core.h instead, which does not include the server protocol
> header and as such only defines the library PI, excluding the deprecated API
> below.
Replacing wayland-server.h with wayland-server-core.h allows us to drop the
WL_HIDE_DEPRECATED declaration.
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This types adds a container for formats + modifiers.
A list that is of [format [modifier]] was chosen instead of
[format modifer] because that is how GBM accepts them.
Co-Authored-By: emersion <contact@emersion.fr>
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The read format is dependent on the output, so we first need to make it
current. This fixes a race condition in wlr-screencopy-v1 where a dmabuf
client would cause EGL_NO_SURFACE to be bound at the time when
screencopy needs to query for the preferred format, causing GL errors.
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This prevents some annoying issues when e.g. not including wlr/config.h or
making a typo in the guard name.
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If no X11 related things are being built, tell Mesa's eglplatform.h not to attempt inclusion of associated X11 header.
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We were assuming GL_BGRA_EXT was always supported.
We now check that it's supported for rendering. We fail if it isn't because
this format is specified as "always supported" by the Wayland protocol.
We also check if it's supported for reading pixels. A new preferred_read_format
function returns the preferred format that can be used to read pixels. This is
used by the screencopy protocol.
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Also rephrase the write_pixels comment.
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It's not allowed to change the format of a texture so remove
the confusing parameter.
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If a client uses an older version of the dmabuf protocol, use the
`formats` event instead of `modifiers` (since that didn't exist in older
versions).
With a bit of necessary guessing, support dmabuf importing even when
EGL_EXT_image_dma_buf_import_modifiers isn't present instead of
failing up front.
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This reverts commit 9c886f20b97b6ab1ac85b849f1fe7f16eb199ff0.
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This breaks wlroots when used as a meson subproject.
This reverts commit dea311992eb4ff3e343c3cf5b0603034223d2a42, reversing
changes made to 6db9c4b74667c1d917d720f5e96985a2461569fb.
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This introduces -DWLR_USE_UNSTABLE and adds information regarding the
stability status to all headers. I started with a conservative set of
headers to mark as stable:
- types/wlr_matrix.h
- util/edges.h
- util/log.h
- util/region.h
- xcursor.h
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Detecting whether eglSwapBuffersWithDamageEXT or
eglSwapBuffersWithDamageKHR is used should be based on the extension
string, not only on the availability of the function.
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It's possible to implement it outside the renderer, by creating a
texture and destroying it right away. This reduces the API surface
of the renderer.
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render: bind wl_drm in renderer
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Compositors now have more control over how the backend creates its
renderer. Currently all backends create an EGL/GLES2 renderer, so
the necessary attributes for creating the context are passed to a
user-provided callback function. It is responsible for initializing
provided wlr_egl and to return a renderer. On fail, return 0.
Fixes #987
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This allows external renderers and potential future GL-based
renderers to re-use this function.
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Redesign wlr_texture
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