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color-lcms: constify build_3d_lut()

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These arrays are read-only here.

Signed-off-by: Pekka Paalanen <pekka.paalanen@collabora.com>
This commit is contained in:
Pekka Paalanen 2025-10-06 14:11:09 +03:00
parent 33ee2c9fb4
commit f69bb08738
3 changed files with 6 additions and 6 deletions
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4
libweston/color-lcms/color-transform.c
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@ -1702,13 +1702,13 @@ cmlcms_color_transform_recipe_string(const struct cmlcms_color_transform_recipe
static bool
build_3d_lut(struct weston_compositor *compositor, cmsHTRANSFORM cmap_3dlut,
unsigned int len_shaper, float *shaper,
unsigned int len_shaper, const float *shaper,
unsigned int len_lut3d, float *lut3d)
{
float divider = len_lut3d - 1;
float rgb_in[3], rgb_out[3];
uint32_t index, index_r, index_g, index_b;
float *curves[3];
const float *curves[3];
curves[0] = &shaper[0];
curves[1] = &shaper[len_shaper];

4
libweston/color.c
View file

@ -430,7 +430,7 @@ linear_interpolation(float x, float x0, float y0, float x1, float y1)
}
WESTON_EXPORT_FOR_TESTS void
find_neighbors(struct weston_compositor *compositor, uint32_t len, float *array,
find_neighbors(struct weston_compositor *compositor, uint32_t len, const float *array,
float val, uint32_t *neigh_A_index, uint32_t *neigh_B_index)
{
bool ascendent = (array[0] <= array[len - 1]);
@ -469,7 +469,7 @@ find_neighbors(struct weston_compositor *compositor, uint32_t len, float *array,
*/
WL_EXPORT float
weston_inverse_evaluate_lut1d(struct weston_compositor *compositor,
uint32_t len_lut, float *lut, float input)
uint32_t len_lut, const float *lut, float input)
{
float divider = len_lut - 1;
uint32_t neighbor_A_index, neighbor_B_index;

4
libweston/color.h
View file

@ -681,12 +681,12 @@ weston_color_curve_to_3x1D_LUT(struct weston_compositor *compositor,
size_t lut_size, char **err_msg);
void
find_neighbors(struct weston_compositor *compositor, uint32_t len, float *array,
find_neighbors(struct weston_compositor *compositor, uint32_t len, const float *array,
float val, uint32_t *neigh_A_index, uint32_t *neigh_B_index);
float
weston_inverse_evaluate_lut1d(struct weston_compositor *compositor,
uint32_t len_lut, float *lut, float input);
uint32_t len_lut, const float *lut, float input);
struct weston_color_transform *
weston_color_transform_ref(struct weston_color_transform *xform);