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libretro: Replace clock() with frame time callback (#2589)
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src/system/libretro/tic80_libretro.c
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src/system/libretro/tic80_libretro.c
···
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#define RETRO_BASE_POINTER_SPEED_DPAD 1.6f
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#define RETRO_SLOW_MOUSE_FACTOR_ANALOG 0.3f
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#define RETRO_SLOW_MOUSE_FACTOR_DPAD 0.4f
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#ifndef TIC80_FREQUENCY
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#define TIC80_FREQUENCY 1000000
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#endif
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enum pointer_device_type
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{
···
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int mouseHideTimer;
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int mouseHideTimerStart;
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tic80* tic;
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retro_usec_t frameTime;
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};
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static struct tic80_state* state;
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/**
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* TIC-80 callback; Request counter
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* TIC-80 callback; Request counter.
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*/
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static u64 tic80_libretro_counter()
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{
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return clock();
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if (state == NULL) {
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return 0;
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}
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return (u64)state->frameTime;
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}
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/**
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* TIC-80 callback; Request freq
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* TIC-80 callback; Request frequency.
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*/
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static u64 tic80_libretro_freq()
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static u64 tic80_libretro_frequency()
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{
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return CLOCKS_PER_SEC;
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return TIC80_FREQUENCY;
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}
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/**
···
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va_start(va, fmt);
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vfprintf(stderr, fmt, va);
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va_end(va);
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}
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/**
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* libretro callback; Called to indicate how much time has passed since last retro_run().
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*/
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void tic80_libretro_frame_time(retro_usec_t usec) {
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if (state == NULL) {
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return;
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}
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state->frameTime = usec;
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}
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/**
···
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tic80_libretro_update_keyboard(&state->input.keyboard);
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// Update the game state.
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tic80_tick(game, state->input, tic80_libretro_counter, tic80_libretro_freq);
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tic80_tick(game, state->input, tic80_libretro_counter, tic80_libretro_frequency);
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tic80_sound(game);
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}
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···
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// Ensure content data is available.
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if (info->data == NULL) {
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log_cb(RETRO_LOG_ERROR, "[TIC-80] No content data provided.\n");
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return false;
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}
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// Set up the frame time callback.
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struct retro_frame_time_callback frame_time = {
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.callback = tic80_libretro_frame_time,
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.reference = TIC80_FREQUENCY / TIC80_FRAMERATE,
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};
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if (!environ_cb(RETRO_ENVIRONMENT_SET_FRAME_TIME_CALLBACK, &frame_time)) {
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log_cb(RETRO_LOG_ERROR, "[TIC-80] Failed to set frame time callback.\n");
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return false;
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}
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