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Add output modeline command

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Only works with DRM backend.
This commit is contained in:
David Rosca 2021-07-18 12:05:47 +02:00 • committed by Simon Ser
parent daaec72ac0
commit 57d6f6f19e
6 changed files with 94 additions and 1 deletions
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1
sway/commands/output.c
View file

@ -15,6 +15,7 @@ static const struct cmd_handler output_handlers[] = {
{ "enable", output_cmd_enable },
{ "max_render_time", output_cmd_max_render_time },
{ "mode", output_cmd_mode },
{ "modeline", output_cmd_modeline },
{ "pos", output_cmd_position },
{ "position", output_cmd_position },
{ "res", output_cmd_mode },

58
sway/commands/output/mode.c
View file

@ -20,6 +20,9 @@ struct cmd_results *output_cmd_mode(int argc, char **argv) {
output->custom_mode = 0;
}
// Reset custom modeline, if any
output->drm_mode.type = 0;
char *end;
output->width = strtol(*argv, &end, 10);
if (*end) {
@ -58,3 +61,58 @@ struct cmd_results *output_cmd_mode(int argc, char **argv) {
return NULL;
}
static bool parse_modeline(char **argv, drmModeModeInfo *mode) {
mode->type = DRM_MODE_TYPE_USERDEF;
mode->clock = strtof(argv[0], NULL) * 1000;
mode->hdisplay = strtol(argv[1], NULL, 10);
mode->hsync_start = strtol(argv[2], NULL, 10);
mode->hsync_end = strtol(argv[3], NULL, 10);
mode->htotal = strtol(argv[4], NULL, 10);
mode->vdisplay = strtol(argv[5], NULL, 10);
mode->vsync_start = strtol(argv[6], NULL, 10);
mode->vsync_end = strtol(argv[7], NULL, 10);
mode->vtotal = strtol(argv[8], NULL, 10);
mode->vrefresh = mode->clock * 1000.0 * 1000.0
/ mode->htotal / mode->vtotal;
if (strcasecmp(argv[9], "+hsync") == 0) {
mode->flags |= DRM_MODE_FLAG_PHSYNC;
} else if (strcasecmp(argv[9], "-hsync") == 0) {
mode->flags |= DRM_MODE_FLAG_NHSYNC;
} else {
return false;
}
if (strcasecmp(argv[10], "+vsync") == 0) {
mode->flags |= DRM_MODE_FLAG_PVSYNC;
} else if (strcasecmp(argv[10], "-vsync") == 0) {
mode->flags |= DRM_MODE_FLAG_NVSYNC;
} else {
return false;
}
snprintf(mode->name, sizeof(mode->name), "%dx%d@%d",
mode->hdisplay, mode->vdisplay, mode->vrefresh / 1000);
return true;
}
struct cmd_results *output_cmd_modeline(int argc, char **argv) {
if (!config->handler_context.output_config) {
return cmd_results_new(CMD_FAILURE, "Missing output config");
}
if (!argc) {
return cmd_results_new(CMD_INVALID, "Missing modeline argument.");
}
struct output_config *output = config->handler_context.output_config;
if (argc != 11 || !parse_modeline(argv, &output->drm_mode)) {
return cmd_results_new(CMD_INVALID, "Invalid modeline");
}
config->handler_context.leftovers.argc = argc - 12;
config->handler_context.leftovers.argv = argv + 12;
return NULL;
}