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Merge pull request #618 from VincentVanlaer/atomic-gamma

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Add atomic gamma control
This commit is contained in:
Drew DeVault 2018-02-10 09:51:09 -05:00 • committed by GitHub
commit 664d7bfe4e
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GPG key ID: 4AEE18F83AFDEB23
7 changed files with 110 additions and 9 deletions
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24
backend/drm/drm.c
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@ -140,6 +140,7 @@ bool wlr_drm_resources_init(struct wlr_drm_backend *drm) {
for (size_t i = 0; i < drm->num_crtcs; ++i) {
struct wlr_drm_crtc *crtc = &drm->crtcs[i];
crtc->id = res->crtcs[i];
crtc->legacy_crtc = drmModeGetCrtc(drm->fd, crtc->id);
wlr_drm_get_crtc_props(drm->fd, crtc->id, &crtc->props);
}
@ -166,9 +167,13 @@ void wlr_drm_resources_free(struct wlr_drm_backend *drm) {
for (size_t i = 0; i < drm->num_crtcs; ++i) {
struct wlr_drm_crtc *crtc = &drm->crtcs[i];
drmModeAtomicFree(crtc->atomic);
drmModeFreeCrtc(crtc->legacy_crtc);
if (crtc->mode_id) {
drmModeDestroyPropertyBlob(drm->fd, crtc->mode_id);
}
if (crtc->gamma_lut) {
drmModeDestroyPropertyBlob(drm->fd, crtc->gamma_lut);
}
}
for (size_t i = 0; i < drm->num_planes; ++i) {
struct wlr_drm_plane *plane = &drm->planes[i];
@ -228,13 +233,26 @@ static void wlr_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;
drmModeCrtcSetGamma(drm->fd, conn->crtc->id, size, r, g, b);
bool ok;
if (conn->crtc) {
ok = drm->iface->crtc_set_gamma(drm, conn->crtc, r, g, b, size);
if (ok) {
wlr_output_update_needs_swap(output);
}
}
}
static uint32_t wlr_drm_connector_get_gamma_size(struct wlr_output *output) {
struct wlr_drm_connector *conn = (struct wlr_drm_connector *)output;
drmModeCrtc *crtc = conn->old_crtc;
return crtc ? crtc->gamma_size : 0;
struct wlr_drm_backend *drm = (struct wlr_drm_backend *)output->backend;
if (conn->crtc) {
return drm->iface->crtc_get_gamma_size(drm, conn->crtc);
}
return 0;
}
void wlr_drm_connector_start_renderer(struct wlr_drm_connector *conn) {