"max bpc" property is meant for working around faulty sink hardware.
Normally it should be set to the maximum possible value so that the
kernel driver has full freedom to choose the link bpc without being
artificially forced to lower color precision.
The default value is 16 because that is a nice round number and more
than any link technology I've heard is using today which would be 12.
Also offer an API set the value, so that weston.ini could be used in the
next patch for sink workaround purposes.
Closes: https://gitlab.freedesktop.org/wayland/weston/-/issues/612
Signed-off-by: Pekka Paalanen <pekka.paalanen@collabora.com>
I will be needing it in a new test, so let's share it.
For convenience, this also adds client back-pointer in struct surface so
that I don't need to pass client explicitly.
Signed-off-by: Pekka Paalanen <pekka.paalanen@collabora.com>
skip() is a left-over from an old test harness design, the comment even
refers to automake. Calling skip() cannot do anything good anymore,
because it wouldn't print the skips in the TAP report, so it would
probably be considered a failure.
Delete this unused and nowadays incorrect function, so it doesn't
confuse people.
Signed-off-by: Pekka Paalanen <pekka.paalanen@collabora.com>
Commit 62ab6891db intended to change the angle calculation
so that the a time delta since the first frame would be used
instead of the absolute time. That was done in order to ensure
the angle would always start with the same value, allowing users
to differentiate left and right, which again is needed when
testing flipped transforms.
However, the `benchmark_time` variable is unsuitable for that
purpose as it gets reset on each benchmark interval, abruptly
changing the angle.
Thus introduce a dedicated variable.
Fixes 62ab6891db
Signed-off-by: Robert Mader <robert.mader@collabora.com>
Add RDP to the list of backends we can set as default for use
when weston is launched without display/socket environment vars
set.
Co-authored-by: Steve Pronovost <spronovo@microsoft.com>
Co-authored-by: Brenton DeGeer <brdegeer@microsoft.com>
Signed-off-by: Hideyuki Nagase <hideyukn@microsoft.com>
Signed-off-by: Steve Pronovost <spronovo@microsoft.com>
Signed-off-by: Brenton DeGeer <brdegeer@microsoft.com>
Move gen_ramp_rgb() down in the file where the TEST() specific code
begins. This way we first have a big block of fixture setup code which
creates an ICC profile, and the next big block is the actual test client
code. gen_ramp_rgb() belongs with the latter.
This makes the file structure slightly more logical.
This is a pure code move, no changes at all.
Signed-off-by: Pekka Paalanen <pekka.paalanen@collabora.com>
This name describes better what this test does. In the future another
TEST() for alpha blending will be added. Both of them will be using
matrix-shaper and cLUT output profiles.
Signed-off-by: Pekka Paalanen <pekka.paalanen@collabora.com>
The new name better matches the contents of the test.
Currently the test creates output ICC profiles with matrix-shaper and
cLUT forms, and tests that basic color conversion from input to output
color space is correct.
The common theme in this test program is to create ICC profiles to be
used as output profiles. In the future this can include more kinds of
testing, e.g. linear blending. OTOH, this test program will always be
limited to SDR because HDR testing probably will not use ICC files.
Signed-off-by: Pekka Paalanen <pekka.paalanen@collabora.com>
To support heterogeneous outputs, the output must be created by the
same backend as the head(s) it is created for. Solve this by always
creating an output with a first head to attach that determines the
backend to use. Skip already attached first heads in drm_try_attach().
See: https://gitlab.freedesktop.org/wayland/weston/-/issues/268
Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de>
Add a struct weston_head parameter to weston_compositor_create_output()
and fold weston_compositor_create_output_with_head() into it.
See: https://gitlab.freedesktop.org/wayland/weston/-/issues/268
Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de>
As a first step towards heterogeneous outputs, ignore other backends'
heads and outputs. This is done by checking the destroy callbacks for
heads and outputs.
See: https://gitlab.freedesktop.org/wayland/weston/-/issues/268
Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de>
As a first step towards heterogeneous outputs, ignore other backends'
heads and outputs. This is done by checking the destroy callbacks for
heads and outputs.
See: https://gitlab.freedesktop.org/wayland/weston/-/issues/268
Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de>
As a first step towards heterogeneous outputs, ignore other backends'
heads and outputs. This is done by checking the destroy callbacks for
heads and outputs.
See: https://gitlab.freedesktop.org/wayland/weston/-/issues/268
Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de>
As a first step towards heterogeneous outputs, ignore other backends'
heads and outputs. This is done by checking the destroy callbacks for
heads and outputs.
See: https://gitlab.freedesktop.org/wayland/weston/-/issues/268
Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de>
As a first step towards heterogeneous outputs, ignore other backends'
heads and outputs. This is done by checking the destroy callbacks for
heads and outputs.
See: https://gitlab.freedesktop.org/wayland/weston/-/issues/268
Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de>
Stop plugins from overwriting the struct weston_output::destroy vfunc,
as that will be used by backends to recognize their outputs.
Instead, pass a plugin-specific destroy callback when creating the
virtual output.
See: https://gitlab.freedesktop.org/wayland/weston/-/issues/268
Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de>
As a first step towards heterogeneous outputs, add an opaque pointer
weston_head::backend_id that will be used by backends to identify
their own heads.
See: https://gitlab.freedesktop.org/wayland/weston/-/issues/268
Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de>
The get file descriptor functions are being deprecated and a two step
process of getting handles and then getting the descriptors for the
handles is being used instead.
Signed-off-by: Derek Foreman <derek.foreman@collabora.com>
Update to a newer FreeRDP release so we can start cleaning up
some of our usage of things that will be deprecated in the next
major release.
For this, I've simply picked the newest version currently in
our CI images.
Signed-off-by: Derek Foreman <derek.foreman@collabora.com>
This doesn't actually fix a bug - cairo refcounts this. But I
really don't like the look of code that drops a reference then
continues to use it.
While we're here, set a different pattern when we're done so the
one we allocated loses its last reference.
Signed-off-by: Derek Foreman <derek.foreman@collabora.com>
This reverts commit 6914064066.
This is a follow-up change of b623fd2a ("drm-backend: stop parsing IN_FORMATS
blobs, use libdrm instead"). Weston now has a hard-requirement on libdrm
2.4.108, clean up remaining and unnecessary conditional code. Change 69140640
("backend-drm: add HDR_OUTPUT_METADATA definitions") is no longer needed
and stop including libdrm-updates.h from kms-color.c.
Signed-off-by: Luigi Santivetti <luigi.santivetti@imgtec.com>
Before this change the drm-backend in Weston did the work of parsing DRM
blobs in order to query IN_FORMATS data, if available. This is also the
case for other DRM/KMS clients that use IN_FORMATS (i.e. X).
libdrm 2.4.108 with e641e2a6 ("xf86drm: add iterator API for DRM/KMS
IN_FORMATS blobs") introduced a dedicated API for querying IN_FORMATS data.
Bump the minimum required version to 2.4.108, stop parsing IN_FORMATS in
Weston and start using DRM iterators. In addition, remove fallback code for
libdrm <2.4.107.
Signed-off-by: Luigi Santivetti <luigi.santivetti@imgtec.com>
libdrm with version 2.4.108 provides new functionality for parsing
IN_FORMATS blobs. Weston can make use of it and avoid implementing
its own logic. At present CI uses Debian 11 (bullseye) which comes
with an older version (2.4.104), so we build it from source.
Signed-off-by: Luigi Santivetti <luigi.santivetti@imgtec.com>
This has somehow stopped working. Copied different syntax from a gitlab
example.
Signed-off-by: Derek Foreman <derek.foreman@collabora.com>
(cherry picked from commit 0f4b411091)
When color management is disabled, the fragment shader was still first
ensuring straight alpha and then immediately just going back to
pre-multiplied. This is near-impossible for a shader compiler to
optimize out, I guess because of the if-statement to handle division by
zero. Having view alpha applied in between certainly didn't make it
easier.
That causes extra fragment computations that are unnecessary. In the
issue report this was found to cause a notable performance regression.
Fix the performance regression by introducing special-case paths for
when straight alpha is not needed. This skips the unnecessary
computations.
Fixes: https://gitlab.freedesktop.org/wayland/weston/-/issues/623
Fixes: 9a6a4e7032
Signed-off-by: Pekka Paalanen <pekka.paalanen@collabora.com>
(cherry picked from commit 6234cb98d1)
Dropped SHADER_COLOR_MAPPING_IDENTITY as that is not available in weston
10.0.
This patch makes sure we have a gl_buffer_state present when using
direct-display protocol extensions (which forbids any GL imports, and
assumes a direct path with the display unit to perform a KMS import).
Without this patch we would basically have no gl_buffer_state at repaint
time because we never manged to create one, as direct-display code path
will return much early.
Partially fixes gitlab.freedesktop.org/wayland/weston/-/issues/621.
Suggested-by: Pekka Paalanen <pekka.paalanen@collabora.com>
Signed-off-by: Marius Vlad <marius.vlad@collabora.com>
Added cLUT profile creation to validate linearization algorithm
for DToB3 tag (direction dev to PCS). The 3DLUT is
built by using raw matrix conversion from dev to XYZ and reverse
(XYZ to device).
The test uses floating point pipeline, known as unbounded mode of LCMS.
The details are described in ICCSpecRevision_02_11_06_Float.pdf
The purpose of these new test cases is to keep the GL-renderer 3D LUT
path tested even after color-lcms and GL-renderer start using
specialized matrix-shaper paths.
These also exercise build_eotf_from_clut_profile() in color-lcms, but do
not actually verify it. These cases only test that the recovered EOTF
and its inverse produce an identity mapping together.
BT.2020 is not used in these tests, because the RGB-XYZ conversion
matrix does not stay inside [0.0, 1.0] in either direction, which would
be a problem for the 3D LUT element in the multiProcessingElement
pipelines. Handling that would have been possible, but testing with
AdobeRGB color space should suffice while keeping the test code from
being even more complicated.
roundtrip_verification() tests that we succeed in creating cms
pipelines correctly in both directions so that the resulting ICC file is
better behaved. The Weston test itself only cares about the BToD
direction.
Credits to:
Vladimir Lachine <vladimir.lachine@amd.com>
Graeme Gill <graeme@argyllcms.com>
Co-authored-by: Pekka Paalanen <pekka.paalanen@collabora.com>
Signed-off-by: Vitaly Prosyak <vitaly.prosyak@amd.com>
Signed-off-by: Pekka Paalanen <pekka.paalanen@collabora.com>
We will want to run the same color spaces with different types of ICC
profiles. To help with that:
1. Let struct lcms_pipeline define the test color space and
transformations and move the tolerance into a new per test case
structure.
2. Added profile type: PTYPE_MATRIX_SHAPER, PTYPE_CLUT.
PTYPE_MATRIX_SHAPER is the previously implemented type.
Co-authored-by: Pekka Paalanen <pekka.paalanen@collabora.com>
Signed-off-by: Vitaly Prosyak <vitaly.prosyak@amd.com>
Signed-off-by: Pekka Paalanen <pekka.paalanen@collabora.com>
This function sets some basic text tags to make an ICC file better
formed.
The code is taken from LittleCMS, https://github.com/mm2/Little-CMS.git
git revision
lcms2.13.1-28-g6ae2e99 (6ae2e99a3535417ca5c95b602eb61fdd29d294d0)
file src/cmsvirt.c.
Suggested-by: Vitaly Prosyak <vitaly.prosyak@amd.com>
Signed-off-by: Pekka Paalanen <pekka.paalanen@collabora.com>
This adds a new test helper library that depends on LittleCMS 2.
For starters, the library implements conversion from enum transfer_fn to
ICC multiProcessingElements compatible LittleCMS curve object.
That conversion allows encoding transfer funtions in ICC files and
LittleCMS pipelines with full float32 precision instead of forcing a
conversion to a 1D LUT which for power-type curves is surprisingly
imprecise.
This also adds CI tests to make sure the conversion matches our
hand-coded transfer functions.
Signed-off-by: Pekka Paalanen <pekka.paalanen@collabora.com>
These helpers allow collecting color difference statistics easily.
To be used in color-shaper-matrix-test.
Signed-off-by: Pekka Paalanen <pekka.paalanen@collabora.com>
When defining a color space with a transfer function, this looks up the
inverse transfer function without needing to store that separately.
Signed-off-by: Pekka Paalanen <pekka.paalanen@collabora.com>
This will be useful to make a curve in a color pipeline pass-through
without needing to special-case skipping the curve.
Signed-off-by: Pekka Paalanen <pekka.paalanen@collabora.com>
Fix up whitespace and document what this array is for.
For the sake of slightly better readability.
Signed-off-by: Pekka Paalanen <pekka.paalanen@collabora.com>
Re-use color_float_apply_curve() instead of open-coding it.
Maybe makes reading the code a little easier.
Signed-off-by: Pekka Paalanen <pekka.paalanen@collabora.com>
Make process_pixel_using_pipeline() slightly easier to read by
extracting a meaningful function.
Pure refactoring, no behavioral changes.
Compared to previous, flip the scalar multiplication around, so that it
matches the mathematical order of matrix-vector multiplication.
Also document the layout conventions for lcmsVEC3 and lcmsMAT3. These
follow the convention used in LittleCMS for cmsVEC3 and cmsMAT3, and are
necessary to understand to review the matrix-vector multiplication for
correctness.
Signed-off-by: Pekka Paalanen <pekka.paalanen@collabora.com>
Make process_pixel_using_pipeline() slightly easier to read by
extracting a meaningful function.
Pure refactoring, no changes.
Signed-off-by: Pekka Paalanen <pekka.paalanen@collabora.com>
Looks like this was forgotten, and I managed to get compiler errors
about redeclaring all enums.
Signed-off-by: Pekka Paalanen <pekka.paalanen@collabora.com>
It's bad form to set the same variable in multiple places, and not all
of them were even equivalent.
Move lcms2 finding to the root level build file only. It is still an
optional dependency like before, and the if-not-found checks are still
in place where actually needed.
Signed-off-by: Pekka Paalanen <pekka.paalanen@collabora.com>
When color management is disabled, the fragment shader was still first
ensuring straight alpha and then immediately just going back to
pre-multiplied. This is near-impossible for a shader compiler to
optimize out, I guess because of the if-statement to handle division by
zero. Having view alpha applied in between certainly didn't make it
easier.
That causes extra fragment computations that are unnecessary. In the
issue report this was found to cause a notable performance regression.
Fix the performance regression by introducing special-case paths for
when straight alpha is not needed. This skips the unnecessary
computations.
Fixes: https://gitlab.freedesktop.org/wayland/weston/-/issues/623
Fixes: 9a6a4e7032
Signed-off-by: Pekka Paalanen <pekka.paalanen@collabora.com>
Currently, the opaque is discarded for all transformations other than a simple
translation, because correctly transforming the opaque area is not possible in
general.
However, there is one simple case that is probably the most common one: A fully
opaque surface that is translated and scaled. In this case the opaque area is
simply the new bounding box. So set the transformed opaque area accordingly.
Signed-off-by: Michael Olbrich <m.olbrich@pengutronix.de>
If surface->is_opaque is set then we can assume that the whole surface is
opaque. In the trivial case (no transformation or translation only) this means
that transform.boundingbox is exactly the view area and is fully opaque. So it
can be used for transform.opaque.
This is important because damage calculation uses transform.opaque. Without
this, anything underneath a surface without an explicit opaque region but a
pixel format without alpha channel is drawn unnecessarily.
Signed-off-by: Michael Olbrich <m.olbrich@pengutronix.de>
The drm_device is initialized as a side effect of the (badly named)
drm_device_is_kms function. Explicitly pass the drm_device to be able to
initialize kms devices that are not the main drm device of the drm backend.
Signed-off-by: Michael Tretter <m.tretter@pengutronix.de>
If we have multiple drm devices, we cannot use the drm device from the backend,
because we would only get the primary device and not the device of the output.
Signed-off-by: Michael Tretter <m.tretter@pengutronix.de>
Pekka Paalanen
Robert Mader
Hideyuki Nagase
Philipp Zabel
Derek Foreman
Luigi Santivetti
Marius Vlad
Vitaly Prosyak
Michael Olbrich
Michael Tretter