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Extract libretro devices and logging to another modules
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,70 @@ | ||
| use std::{ffi::c_void, mem::size_of}; | ||
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| use libretro_sys::*; | ||
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| use magenboy_common::audio::*; | ||
| use magenboy_core::{apu::audio_device::*, keypad::{button::*, joypad::*, joypad_provider::*}, ppu::{gb_ppu::*, gfx_device::*}, GB_FREQUENCY}; | ||
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| use super::GAMEBOY_CORE; | ||
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| pub struct RetroGfxDevice; | ||
| impl GfxDevice for RetroGfxDevice{ | ||
| fn swap_buffer(&mut self, buffer:&[Pixel; SCREEN_HEIGHT * SCREEN_WIDTH]) { | ||
| unsafe{(GAMEBOY_CORE.video_cb.unwrap())(buffer.as_ptr() as *const c_void, SCREEN_WIDTH as u32, SCREEN_HEIGHT as u32, SCREEN_WIDTH * size_of::<Pixel>())}; | ||
| } | ||
| } | ||
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| pub struct RetroJoypadProvider; | ||
| impl JoypadProvider for RetroJoypadProvider{ | ||
| fn provide(&mut self, joypad:&mut Joypad) { | ||
| unsafe{ | ||
| (GAMEBOY_CORE.input_poll_cb.unwrap())(); | ||
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| let input_cb: unsafe extern fn(port:u32, device:u32, index:u32, id:u32) -> i16 = GAMEBOY_CORE.input_cb.unwrap(); | ||
| joypad.buttons[Button::A as usize] = input_cb(0, DEVICE_JOYPAD, 0, DEVICE_ID_JOYPAD_A) != 0 || | ||
| input_cb(0, DEVICE_JOYPAD, 0, DEVICE_ID_JOYPAD_X) != 0; | ||
| joypad.buttons[Button::B as usize] = input_cb(0, DEVICE_JOYPAD, 0, DEVICE_ID_JOYPAD_B) != 0 || | ||
| input_cb(0, DEVICE_JOYPAD, 0, DEVICE_ID_JOYPAD_Y) != 0; | ||
| joypad.buttons[Button::Start as usize] = input_cb(0, DEVICE_JOYPAD, 0, DEVICE_ID_JOYPAD_START) != 0; | ||
| joypad.buttons[Button::Select as usize] = input_cb(0, DEVICE_JOYPAD, 0, DEVICE_ID_JOYPAD_SELECT) != 0; | ||
| joypad.buttons[Button::Up as usize] = input_cb(0, DEVICE_JOYPAD, 0, DEVICE_ID_JOYPAD_UP) != 0; | ||
| joypad.buttons[Button::Down as usize] = input_cb(0, DEVICE_JOYPAD, 0, DEVICE_ID_JOYPAD_DOWN) != 0; | ||
| joypad.buttons[Button::Right as usize] = input_cb(0, DEVICE_JOYPAD, 0, DEVICE_ID_JOYPAD_RIGHT) != 0; | ||
| joypad.buttons[Button::Left as usize] = input_cb(0, DEVICE_JOYPAD, 0, DEVICE_ID_JOYPAD_LEFT) != 0; | ||
| } | ||
| } | ||
| } | ||
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| pub struct RetroAudioDevice{ | ||
| resampler: ManualAudioResampler | ||
| } | ||
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| impl RetroAudioDevice{ | ||
| pub const OUTPUT_FREQUENCY:u32 = 48000; | ||
| } | ||
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| impl Default for RetroAudioDevice{ | ||
| fn default()->Self{ | ||
| Self { resampler: ManualAudioResampler::new(GB_FREQUENCY, Self::OUTPUT_FREQUENCY) } | ||
| } | ||
| } | ||
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| impl AudioDevice for RetroAudioDevice{ | ||
| fn push_buffer(&mut self, buffer:&[StereoSample; BUFFER_SIZE]) { | ||
| let mut resampled = self.resampler.resample(buffer); | ||
| unsafe{GAMEBOY_CORE.audio_buffer.append(&mut resampled)}; | ||
| } | ||
| } | ||
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| impl RetroAudioDevice{ | ||
| pub unsafe fn push_audio_buffer_to_libretro(){ | ||
| let mut remaining_frames = GAMEBOY_CORE.audio_buffer.len(); | ||
| let mut buffer_pos_ptr = GAMEBOY_CORE.audio_buffer.as_ptr() as *const Sample; | ||
| while remaining_frames > 0 { | ||
| let uploaded_frames = (GAMEBOY_CORE.audio_cb.unwrap())(buffer_pos_ptr, remaining_frames); | ||
| remaining_frames -= uploaded_frames; | ||
| buffer_pos_ptr = buffer_pos_ptr.add(uploaded_frames); | ||
| } | ||
| GAMEBOY_CORE.audio_buffer.clear(); | ||
| } | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,41 @@ | ||
| use std::{ffi::CString ,sync::{Mutex, OnceLock}}; | ||
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| use libretro_sys::*; | ||
| use log::Log; | ||
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| pub struct RetroLogger{ | ||
| retro_logger: Option<Mutex<LogCallback>> | ||
| } | ||
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| impl RetroLogger{ | ||
| pub fn init(max_log_level:log::LevelFilter, log_cb: Option<LogCallback>){ | ||
| static LOGGER: OnceLock<RetroLogger> = OnceLock::new(); | ||
| let logger = match log_cb{ | ||
| Some(cb) => LOGGER.get_or_init(||Self{ retro_logger: Some(Mutex::new(cb))}), | ||
| None => LOGGER.get_or_init(||Self { retro_logger: None }), | ||
| }; | ||
| log::set_logger(logger).unwrap(); | ||
| log::set_max_level(max_log_level); | ||
| } | ||
| } | ||
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| impl Log for RetroLogger{ | ||
| fn enabled(&self, metadata: &log::Metadata) -> bool { | ||
| return self.retro_logger.is_some() && metadata.level() >= log::max_level(); | ||
| } | ||
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| fn log(&self, record: &log::Record) { | ||
| let logger = self.retro_logger.as_ref().unwrap().lock().unwrap(); | ||
| let level = match record.level(){ | ||
| log::Level::Error => LogLevel::Error, | ||
| log::Level::Warn => LogLevel::Warn, | ||
| log::Level::Info => LogLevel::Info, | ||
| log::Level::Debug | | ||
| log::Level::Trace => LogLevel::Debug, | ||
| }; | ||
| let message = CString::new(format!("{}\n", record.args())).unwrap(); | ||
| unsafe{(logger.log)(level, message.as_ptr())}; | ||
| } | ||
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| fn flush(&self) {} | ||
| } |