mirrors/wlroots
1
0
Fork 0
mirror of https://gitlab.freedesktop.org/wlroots/wlroots.git synced 2025-11-09 13:29:46 -05:00
Code Issues Projects Releases Packages Wiki Activity Actions

Implement wlr-gamma-control-unstable-v1

Browse source
This commit is contained in:
emersion 2018-07-22 13:23:32 +01:00
parent 5642c5cc8f
commit a149c2370a
11 changed files with 424 additions and 14 deletions
Download patch file Download diff file Expand all files Collapse all files

12
backend/drm/atomic.c
View file

@ -199,14 +199,18 @@ static bool atomic_crtc_move_cursor(struct wlr_drm_backend *drm,
static bool atomic_crtc_set_gamma(struct wlr_drm_backend *drm,
struct wlr_drm_crtc *crtc, uint16_t *r, uint16_t *g, uint16_t *b,
uint32_t size) {
struct drm_color_lut gamma[size];
// Fallback to legacy gamma interface when gamma properties are not available
// (can happen on older intel gpu's that support gamma but not degamma)
if (crtc->props.gamma_lut == 0) {
return legacy_iface.crtc_set_gamma(drm, crtc, r, g, b, size);
}
struct drm_color_lut *gamma = malloc(size * sizeof(struct drm_color_lut));
if (gamma == NULL) {
wlr_log(WLR_ERROR, "Failed to allocate gamma table");
return false;
}
for (uint32_t i = 0; i < size; i++) {
gamma[i].red = r[i];
gamma[i].green = g[i];
@ -218,10 +222,12 @@ static bool atomic_crtc_set_gamma(struct wlr_drm_backend *drm,
}
if (drmModeCreatePropertyBlob(drm->fd, gamma,
sizeof(struct drm_color_lut) * size, &crtc->gamma_lut)) {
size * sizeof(struct drm_color_lut), &crtc->gamma_lut)) {
free(gamma);
wlr_log_errno(WLR_ERROR, "Unable to create property blob");
return false;
}
free(gamma);
struct atomic atom;
atomic_begin(crtc, &atom);

6
backend/drm/drm.c
View file

@ -228,19 +228,19 @@ static bool drm_connector_swap_buffers(struct wlr_output *output,
return true;
}
static void drm_connector_set_gamma(struct wlr_output *output,
static bool drm_connector_set_gamma(struct wlr_output *output,
uint32_t size, uint16_t *r, uint16_t *g, uint16_t *b) {
struct wlr_drm_connector *conn = (struct wlr_drm_connector *)output;
struct wlr_drm_backend *drm = (struct wlr_drm_backend *)output->backend;
bool ok;
bool ok = false;
if (conn->crtc) {
ok = drm->iface->crtc_set_gamma(drm, conn->crtc, r, g, b, size);
if (ok) {
wlr_output_update_needs_swap(output);
}
}
return ok;
}
static uint32_t drm_connector_get_gamma_size(struct wlr_output *output) {