Hi all,
This is the RC2 release for Weston 14.0.0.
Changelog since RC1:
Marius Vlad (2):
libweston/color-management: Add fallback for static_assert
build: bump to version 13.0.94 for the RC2 release
git tag: 13.0.94
https://gitlab.freedesktop.org/wayland/weston/-/releases/13.0.94/d
Hi all,
This is the RC2 release for Weston 14.0.0.
Changelog since RC1:
Marius Vlad (2):
libweston/color-management: Add fallback for static_assert
build: bump to version 13.0.94 for the RC2 release
git tag: 13.0.94
https://gitlab.freedesktop.org/wayland/weston/-/releases/13.0.94/d
Le 19/08/24 - 16:56, Harry Wentland a écrit :
> fixp2int always rounds down, fixp2int_ceil rounds up. We need
> the new fixp2int_round.
>
> Signed-off-by: Harry Wentland
> ---
> drivers/gpu/drm/vkms/vkms_composer.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/drivers
Le 19/08/24 - 16:56, Harry Wentland a écrit :
> +static int vkms_initialize_color_pipeline(struct drm_plane *plane, struct
> drm_prop_enum_list *list)
> +{
> +
> + struct drm_colorop *op, *prev_op;
> + struct drm_device *dev = plane->dev;
> + int ret;
> +
> + /* 1st op: 1d curve *
Hi,
I have a WIP implementation of this for KWin at
https://invent.kde.org/plasma/kwin/-/commits/work/zamundaaa/drm-colorop.
It maps KWin's color pipeline to the drm one to get (primary plane
only, for now) direct scanout of HDR content on SDR displays while
doing tone mapping (or SDR on HDR, but
Le 19/08/24 - 16:56, Harry Wentland a écrit :
[...]
> diff --git a/drivers/gpu/drm/vkms/vkms_composer.c
> b/drivers/gpu/drm/vkms/vkms_composer.c
> index 3d6785d081f2..3ecda70c2b55 100644
> --- a/drivers/gpu/drm/vkms/vkms_composer.c
> +++ b/drivers/gpu/drm/vkms/vkms_composer.c
> @@ -435,3 +435,7
Le 19/08/24 - 16:56, Harry Wentland a écrit :
[...]
> +#ifndef __DRM_COLOROP_H__
> +#define __DRM_COLOROP_H__
> +
> +#include
> +#include
> +#include
> +
> +/**
> + * struct drm_colorop_state - mutable colorop state
> + */
> +struct drm_colorop_state {
> + /** @colorop: backpointer to the
Le 19/08/24 - 16:56, Harry Wentland a écrit :
> This is an RFC set for a color pipeline API, along with implementations
> in VKMS and amdgpu. It is tested with a set of IGT tests that can be
> found at [1]. The IGT tests run a pixel-by-pixel comparison with an
> allowable delta variation as the goa
Le 19/08/24 - 16:56, Harry Wentland a écrit :
> Certain operations require us to preserve values below 0.0 and
> above 1.0 (0x0 and 0x respectively in 16 bpc unorm). One
> such operation is a BT709 encoding operation followed by its
> decoding operation, or the reverse.
>
> We'll use s32 value
Le 19/08/24 - 16:57, Harry Wentland a écrit :
> Not all HW will be able to do bypass on all color
> operations. Introduce an 'allow_bypass' boolean for
> all colorop init functions and only create the BYPASS
> property when it's true.
You did not change the documentation of struct drm_colorop_stat
Le 19/08/24 - 16:56, Harry Wentland a écrit :
> We add two 3x4 matrices into the VKMS color pipeline. The reason
> we're adding matrices is so that we can test that application
> of a matrix and its inverse yields an output equal to the input
> image.
>
> One complication with the matrix implement
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