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LIBRETRO: add dynamically displayed options

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This commit is contained in:
Giovanni Cascione 2023-08-23 14:00:11 +02:00
parent 5c13a41324
commit 84ebccb5af
1 changed files with 49 additions and 11 deletions
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60
backends/platform/libretro/src/libretro.cpp
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@ -110,6 +110,10 @@ static size_t samples_per_frame_buffer_size = 0;
static int16_t *sound_buffer = NULL; // pointer to output buffer
static int16_t *sound_buffer_empty = NULL; // pointer to zeroed output buffer, to regulate GUI FPS
static bool updating_variables = false;
static int opt_frameskip_threshold_display = 0;
static int opt_frameskip_no_display = 0;
static void log_scummvm_exit_code(void) {
if (retro_get_scummvm_res() == Common::kNoError)
retro_log_cb(RETRO_LOG_INFO, "ScummVM exited successfully.\n");
@ -190,7 +194,7 @@ void retro_osd_notification(const char* msg) {
static void update_variables(void) {
struct retro_variable var;
updating_variables = true;
const char* osd_msg = "";
var.key = "scummvm_gamepad_cursor_speed";
@ -275,14 +279,20 @@ static void update_variables(void) {
var.value = NULL;
uint8 old_frameskip_type = frameskip_type;
if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value) {
opt_frameskip_threshold_display = 0;
opt_frameskip_no_display = 0;
if (strcmp(var.value, "disabled") == 0)
frameskip_type = 0;
else if (strcmp(var.value, "fixed") == 0)
else if (strcmp(var.value, "fixed") == 0) {
frameskip_type = 1;
else if (strcmp(var.value, "auto") == 0)
opt_frameskip_no_display = 1;
} else if (strcmp(var.value, "auto") == 0)
frameskip_type = 2;
else if (strcmp(var.value, "manual") == 0)
else if (strcmp(var.value, "manual") == 0) {
frameskip_type = 3;
opt_frameskip_threshold_display = 1;
}
}
var.key = "scummvm_auto_performance_tuner";
@ -319,6 +329,35 @@ static void update_variables(void) {
audio_status |= AUDIO_STATUS_UPDATE_AV_INFO;
}
}
updating_variables = false;
}
static void retro_set_options_display(void) {
struct retro_core_option_display option_display;
option_display.visible = opt_frameskip_threshold_display;
option_display.key = "scummvm_frameskip_threshold";
environ_cb(RETRO_ENVIRONMENT_SET_CORE_OPTIONS_DISPLAY, &option_display);
option_display.visible = opt_frameskip_no_display;
option_display.key = "scummvm_frameskip_no";
environ_cb(RETRO_ENVIRONMENT_SET_CORE_OPTIONS_DISPLAY, &option_display);
}
static bool retro_update_display(void) {
if (updating_variables)
return false;
/* Core options */
bool updated = false;
if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE_UPDATE, &updated) && updated)
{
update_variables();
LIBRETRO_G_SYSTEM->refreshRetroSettings();
retro_set_options_display();
}
return updated;
}
bool retro_setting_get_timing_inaccuracies_enabled(){
@ -328,7 +367,6 @@ bool retro_setting_get_timing_inaccuracies_enabled(){
return timing_inaccuracies_enabled;
}
int retro_setting_get_analog_deadzone(void) {
return analog_deadzone;
}
@ -494,6 +532,10 @@ void retro_set_environment(retro_environment_t cb) {
environ_cb(RETRO_ENVIRONMENT_SET_SUPPORT_NO_GAME, &tmp);
libretro_set_core_options(environ_cb, &has_categories);
/* Core option display callback */
struct retro_core_options_update_display_callback update_display_callback = {retro_update_display};
environ_cb(RETRO_ENVIRONMENT_SET_CORE_OPTIONS_UPDATE_DISPLAY_CALLBACK, &update_display_callback);
}
unsigned retro_api_version(void) {
@ -571,6 +613,8 @@ void retro_init(void) {
update_variables();
retro_set_options_display();
init_command_params();
environ_cb(RETRO_ENVIRONMENT_SET_INPUT_DESCRIPTORS, retro_input_desc);
@ -735,12 +779,6 @@ bool retro_load_game_special(unsigned game_type, const struct retro_game_info *i
}
void retro_run(void) {
bool updated = false;
if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE_UPDATE, &updated) && updated){
update_variables();
LIBRETRO_G_SYSTEM->refreshRetroSettings();
}
if (audio_status & AUDIO_STATUS_UPDATE_AV_INFO){
struct retro_system_av_info info;
info.geometry.base_width = RES_W;