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Add set_gamma and get_gamma_size to wlr_output_impl

This commit is contained in:
emersion 2017-09-06 18:53:08 +02:00
parent cd125377fc
commit 6f98b5a337
No known key found for this signature in database
GPG Key ID: 0FDE7BE0E88F5E48
3 changed files with 29 additions and 3 deletions
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19
backend/drm/drm.c
View File

@ -301,6 +301,23 @@ static void wlr_drm_output_swap_buffers(struct wlr_output *_output) {
output->pageflip_pending = true;
}
static void wlr_drm_output_set_gamma(struct wlr_output *_output,
uint16_t size, uint16_t *r, uint16_t *g, uint16_t *b) {
struct wlr_drm_output *output = (struct wlr_drm_output *)_output;
struct wlr_drm_backend *backend =
wl_container_of(output->renderer, backend, renderer);
drmModeCrtcSetGamma(backend->fd, output->crtc->id, size, r, g, b);
}
static uint16_t wlr_drm_output_get_gamma_size(struct wlr_output *_output) {
struct wlr_drm_output *output = (struct wlr_drm_output *)_output;
drmModeCrtc *crtc = output->old_crtc;
if (!crtc) {
return 0;
}
return crtc->gamma_size;
}
void wlr_drm_output_start_renderer(struct wlr_drm_output *output) {
if (output->state != WLR_DRM_OUTPUT_CONNECTED) {
return;
@ -696,6 +713,8 @@ static struct wlr_output_impl output_impl = {
.destroy = wlr_drm_output_destroy,
.make_current = wlr_drm_output_make_current,
.swap_buffers = wlr_drm_output_swap_buffers,
.set_gamma = wlr_drm_output_set_gamma,
.get_gamma_size = wlr_drm_output_get_gamma_size,
};
static int find_id(const void *item, const void *cmp_to) {

3
include/wlr/interfaces/wlr_output.h
View File

@ -14,6 +14,9 @@ struct wlr_output_impl {
void (*destroy)(struct wlr_output *output);
void (*make_current)(struct wlr_output *output);
void (*swap_buffers)(struct wlr_output *output);
void (*set_gamma)(struct wlr_output *output,
uint16_t size, uint16_t *r, uint16_t *g, uint16_t *b);
uint16_t (*get_gamma_size)(struct wlr_output *output);
};
void wlr_output_init(struct wlr_output *output, const struct wlr_output_impl *impl);

10
types/wlr_output.c
View File

@ -226,10 +226,14 @@ void wlr_output_swap_buffers(struct wlr_output *output) {
void wlr_output_set_gamma(struct wlr_output *output,
uint16_t size, uint16_t *r, uint16_t *g, uint16_t *b) {
// TODO
if (output->impl->set_gamma) {
output->impl->set_gamma(output, size, r, g, b);
}
}
uint16_t wlr_output_get_gamma_size(struct wlr_output *output) {
// TODO
return 0;
if (!output->impl->get_gamma_size) {
return 0;
}
return output->impl->get_gamma_size(output);
}