Merge slightly altered patch from Alexandros Frantzis that allows adjusting individual CRTCs.

This commit is contained in:
Jon Lund Steffensen
2010-05-04 23:42:10 +02:00
4 changed files with 94 additions and 41 deletions
+9 -2
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@@ -1,8 +1,15 @@
Maintainer
--------------------
Jon Lund Steffensen <jonlst@gmail.com>
Original gtk-redshift script contributed by Martin Koelewijn.
The redshift icon is based on artwork by the Tango Desktop Project.
Contributors
--------------------
Alexandros Frantzis
Martin Koelewijn
Tango Desktop Project provided artwork for the redshift icon.
Translators
--------------------
+68 -35
View File
@@ -36,7 +36,7 @@
int
randr_init(randr_state_t *state, int screen_num)
randr_init(randr_state_t *state, int screen_num, int crtc_num)
{
xcb_generic_error_t *error;
@@ -108,6 +108,7 @@ randr_init(randr_state_t *state, int screen_num)
return -1;
}
state->crtc_num = crtc_num;
state->crtc_count = res_reply->num_crtcs;
state->crtcs = malloc(state->crtc_count * sizeof(randr_crtc_state_t));
if (state->crtcs == NULL) {
@@ -248,45 +249,77 @@ randr_free(randr_state_t *state)
xcb_disconnect(state->conn);
}
static int
randr_set_temperature_for_crtc(randr_state_t *state, int crtc_num, int temp,
float gamma[3])
{
xcb_generic_error_t *error;
if (crtc_num >= state->crtc_count || crtc_num < 0) {
fprintf(stderr, _("CRTC %d does not exist. "),
state->crtc_num);
if (state->crtc_count > 1) {
fprintf(stderr, _("Valid CRTCs are [0-%d].\n"),
state->crtc_count-1);
} else {
fprintf(stderr, _("Only CRTC 0 exists.\n"));
}
return -1;
}
xcb_randr_crtc_t crtc = state->crtcs[crtc_num].crtc;
unsigned int ramp_size = state->crtcs[crtc_num].ramp_size;
/* Create new gamma ramps */
uint16_t *gamma_ramps = malloc(3*ramp_size*sizeof(uint16_t));
if (gamma_ramps == NULL) {
perror("malloc");
return -1;
}
uint16_t *gamma_r = &gamma_ramps[0*ramp_size];
uint16_t *gamma_g = &gamma_ramps[1*ramp_size];
uint16_t *gamma_b = &gamma_ramps[2*ramp_size];
colorramp_fill(gamma_r, gamma_g, gamma_b, ramp_size,
temp, gamma);
/* Set new gamma ramps */
xcb_void_cookie_t gamma_set_cookie =
xcb_randr_set_crtc_gamma_checked(state->conn, crtc,
ramp_size, gamma_r,
gamma_g, gamma_b);
error = xcb_request_check(state->conn, gamma_set_cookie);
if (error) {
fprintf(stderr, _("`%s' returned error %d\n"),
"RANDR Set CRTC Gamma", error->error_code);
free(gamma_ramps);
return -1;
}
free(gamma_ramps);
return 0;
}
int
randr_set_temperature(randr_state_t *state, int temp, float gamma[3])
{
xcb_generic_error_t *error;
int r;
/* Set temperature on all CRTCs */
for (int i = 0; i < state->crtc_count; i++) {
xcb_randr_crtc_t crtc = state->crtcs[i].crtc;
unsigned int ramp_size = state->crtcs[i].ramp_size;
/* Create new gamma ramps */
uint16_t *gamma_ramps = malloc(3*ramp_size*sizeof(uint16_t));
if (gamma_ramps == NULL) {
perror("malloc");
return -1;
/* If no CRTC number has been specified,
set temperature on all CRTCs. */
if (state->crtc_num < 0) {
for (int i = 0; i < state->crtc_count; i++) {
r = randr_set_temperature_for_crtc(state, i,
temp, gamma);
if (r < 0) return -1;
}
uint16_t *gamma_r = &gamma_ramps[0*ramp_size];
uint16_t *gamma_g = &gamma_ramps[1*ramp_size];
uint16_t *gamma_b = &gamma_ramps[2*ramp_size];
colorramp_fill(gamma_r, gamma_g, gamma_b, ramp_size,
temp, gamma);
/* Set new gamma ramps */
xcb_void_cookie_t gamma_set_cookie =
xcb_randr_set_crtc_gamma_checked(state->conn, crtc,
ramp_size, gamma_r,
gamma_g, gamma_b);
error = xcb_request_check(state->conn, gamma_set_cookie);
if (error) {
fprintf(stderr, _("`%s' returned error %d\n"),
"RANDR Set CRTC Gamma", error->error_code);
free(gamma_ramps);
return -1;
}
free(gamma_ramps);
} else {
return randr_set_temperature_for_crtc(state, state->crtc_num,
temp, gamma);
}
return 0;
+2 -1
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@@ -34,12 +34,13 @@ typedef struct {
typedef struct {
xcb_connection_t *conn;
xcb_screen_t *screen;
int crtc_num;
unsigned int crtc_count;
randr_crtc_state_t *crtcs;
} randr_state_t;
int randr_init(randr_state_t *state, int screen_num);
int randr_init(randr_state_t *state, int screen_num, int crtc_num);
void randr_free(randr_state_t *state);
void randr_restore(randr_state_t *state);
int randr_set_temperature(randr_state_t *state, int temp, float gamma[3]);
+15 -3
View File
@@ -216,11 +216,12 @@ print_help(const char *program_name)
fputs(_(" -g R:G:B\tAdditional gamma correction to apply\n"
" -l LAT:LON\tYour current location\n"
" -m METHOD\tMethod to use to set color temperature"
" (randr or vidmode)\n"
" (RANDR or VidMode)\n"
" -o\t\tOne shot mode (do not continously adjust"
" color temperature)\n"
" -r\t\tDisable initial temperature transition\n"
" -s SCREEN\tX screen to apply adjustments to\n"
" -c CRTC\tCRTC to apply adjustments to (RANDR only)\n"
" -t DAY:NIGHT\tColor temperature to set at daytime/night\n"),
stdout);
fputs("\n", stdout);
@@ -253,6 +254,7 @@ main(int argc, char *argv[])
float gamma[3] = { DEFAULT_GAMMA, DEFAULT_GAMMA, DEFAULT_GAMMA };
int use_randr = -1;
int screen_num = -1;
int crtc_num = -1;
int transition = 1;
int one_shot = 0;
int verbose = 0;
@@ -260,8 +262,11 @@ main(int argc, char *argv[])
/* Parse arguments. */
int opt;
while ((opt = getopt(argc, argv, "g:hl:m:ors:t:v")) != -1) {
while ((opt = getopt(argc, argv, "c:g:hl:m:ors:t:v")) != -1) {
switch (opt) {
case 'c':
crtc_num = atoi(optarg);
break;
case 'g':
s = strchr(optarg, ':');
if (s == NULL) {
@@ -426,13 +431,20 @@ main(int argc, char *argv[])
gamma[0], gamma[1], gamma[2]);
}
/* CRTC can only be selected for RANDR */
if (crtc_num > -1 && !use_randr) {
fprintf(stderr, _("CRTC can only be selected"
" with the RANDR method.\n"));
exit(EXIT_FAILURE);
}
/* Initialize gamma adjustment method. If use_randr is negative
try all methods until one that works is found. */
gamma_state_t state;
#ifdef ENABLE_RANDR
if (use_randr < 0 || use_randr == 1) {
/* Initialize RANDR state */
r = randr_init(&state.randr, screen_num);
r = randr_init(&state.randr, screen_num, crtc_num);
if (r < 0) {
fputs(_("Initialization of RANDR failed.\n"), stderr);
if (use_randr < 0) {