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color: use weston_mat3f for mapping step

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Replace a plain array with a type-safe documented structure.
This will get more wide use later.

Signed-off-by: Pekka Paalanen <pekka.paalanen@collabora.com>
This commit is contained in:
Pekka Paalanen 2025-04-14 14:23:00 +03:00
parent 98ec0d9b6c
commit 70b5ec5bfe
3 changed files with 3 additions and 3 deletions
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2
libweston/color-lcms/color-transform.c
View file

@ -988,7 +988,7 @@ translate_matrix_element(struct weston_color_mapping *map, cmsStage *elem)
*/
for (c = 0; c < 3; c++)
for (r = 0; r < 3; r++)
map->u.mat.matrix[c * 3 + r] = data->Double[r * 3 + c];
map->u.mat.matrix.col[c].el[r] = data->Double[r * 3 + c];
return true;
}

2
libweston/color.h
View file

@ -388,7 +388,7 @@ struct weston_color_mapping_3dlut {
* A 3x3 matrix and data is arranged as column major
*/
struct weston_color_mapping_matrix {
float matrix[9];
struct weston_mat3f matrix;
};
/**

2
libweston/renderer-gl/gl-shader-config-color-transformation.c
View file

@ -453,7 +453,7 @@ gl_shader_config_set_color_transform(struct gl_renderer *gr,
break;
case SHADER_COLOR_MAPPING_MATRIX:
assert(sconf->req.color_mapping == SHADER_COLOR_MAPPING_MATRIX);
ARRAY_COPY(sconf->color_mapping.matrix, gl_xform->mapping.mat.matrix);
ARRAY_COPY(sconf->color_mapping.matrix, gl_xform->mapping.mat.matrix.colmaj);
ret = true;
break;
case SHADER_COLOR_MAPPING_IDENTITY: