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compositor: add eotf-mode weston.ini option

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This per-output option allows to choose one of the HDR video modes.

Signed-off-by: Pekka Paalanen <pekka.paalanen@collabora.com>
This commit is contained in:
Pekka Paalanen
2021-07-16 17:43:43 +03:00
committed by Pekka Paalanen
parent 5151f9fe9e
commit 33d553f833
2 changed files with 95 additions and 0 deletions
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compositor/main.c
+76
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@@ -1316,6 +1316,73 @@ wet_output_set_color_profile(struct weston_output *output,
return ok ? 0 : -1;
}
static int
wet_output_set_eotf_mode(struct weston_output *output,
struct weston_config_section *section)
{
static const struct {
const char *name;
enum weston_eotf_mode eotf_mode;
} modes[] = {
{ "sdr", WESTON_EOTF_MODE_SDR },
{ "hdr-gamma", WESTON_EOTF_MODE_TRADITIONAL_HDR },
{ "st2084", WESTON_EOTF_MODE_ST2084 },
{ "hlg", WESTON_EOTF_MODE_HLG },
};
struct wet_compositor *compositor;
enum weston_eotf_mode eotf_mode = WESTON_EOTF_MODE_SDR;
char *str = NULL;
unsigned i;
compositor = to_wet_compositor(output->compositor);
if (section) {
weston_config_section_get_string(section, "eotf-mode",
&str, NULL);
}
if (!str) {
/* The default SDR mode is always supported. */
assert(weston_output_get_supported_eotf_modes(output) & eotf_mode);
weston_output_set_eotf_mode(output, eotf_mode);
return 0;
}
for (i = 0; i < ARRAY_LENGTH(modes); i++)
if (strcmp(str, modes[i].name) == 0)
break;
if (i == ARRAY_LENGTH(modes)) {
weston_log("Error in config for output '%s': '%s' is not a valid EOTF mode. Try one of:",
output->name, str);
for (i = 0; i < ARRAY_LENGTH(modes); i++)
weston_log_continue(" %s", modes[i].name);
weston_log_continue("\n");
return -1;
}
eotf_mode = modes[i].eotf_mode;
if ((weston_output_get_supported_eotf_modes(output) & eotf_mode) == 0) {
weston_log("Error: output '%s' does not support EOTF mode %s.\n",
output->name, str);
free(str);
return -1;
}
if (eotf_mode != WESTON_EOTF_MODE_SDR &&
!compositor->use_color_manager) {
weston_log("Error: EOTF mode %s on output '%s' requires color-management=true in weston.ini\n",
str, output->name);
free(str);
return -1;
}
weston_output_set_eotf_mode(output, eotf_mode);
free(str);
return 0;
}
static void
allow_content_protection(struct weston_output *output,
struct weston_config_section *section)
@@ -1839,6 +1906,9 @@ drm_backend_output_configure(struct weston_output *output,
allow_content_protection(output, section);
if (wet_output_set_eotf_mode(output, section) < 0)
return -1;
return 0;
}
@@ -2655,6 +2725,12 @@ headless_backend_output_configure(struct weston_output *output)
.scale = 1,
.transform = WL_OUTPUT_TRANSFORM_NORMAL
};
struct weston_config *wc = wet_get_config(output->compositor);
struct weston_config_section *section;
section = weston_config_get_section(wc, "output", "name", output->name);
if (wet_output_set_eotf_mode(output, section) < 0)
return -1;
return wet_configure_windowed_output_from_config(output, &defaults);
}