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backend/drm: add support for color transforms

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Simon Ser 2025-05-24 13:40:05 +02:00 • committed by Kenny Levinsen
parent 97f6946c8d
commit f10dd1da1c
3 changed files with 35 additions and 11 deletions
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15
backend/drm/legacy.c
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@ -7,6 +7,7 @@
#include "backend/drm/fb.h"
#include "backend/drm/iface.h"
#include "backend/drm/util.h"
#include "render/color.h"
#include "types/wlr_output.h"
static bool legacy_fb_props_match(struct wlr_drm_fb *fb1,
@ -124,9 +125,17 @@ static bool legacy_crtc_commit(const struct wlr_drm_connector_state *state,
}
}
if (state->base->committed & WLR_OUTPUT_STATE_GAMMA_LUT) {
if (!drm_legacy_crtc_set_gamma(drm, crtc,
state->base->gamma_lut_size, state->base->gamma_lut)) {
if (state->base->committed & WLR_OUTPUT_STATE_COLOR_TRANSFORM) {
size_t dim = 0;
uint16_t *lut = NULL;
if (state->base->color_transform != NULL) {
struct wlr_color_transform_lut_3x1d *tr =
color_transform_lut_3x1d_from_base(state->base->color_transform);
dim = tr->dim;
lut = tr->lut_3x1d;
}
if (!drm_legacy_crtc_set_gamma(drm, crtc, dim, lut)) {
return false;
}
}