76 lines
1.8 KiB
Rust
76 lines
1.8 KiB
Rust
use crate::processor::memory::mmio::gpu::Colour;
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pub use crate::processor::memory::mmio::joypad::{JoypadButtons, JoypadState};
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pub use crate::{HEIGHT, WIDTH};
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use async_ringbuf::{AsyncHeapConsumer, AsyncHeapProducer, AsyncHeapRb};
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pub enum EmulatorMessage {
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Stop,
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}
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#[derive(Clone, Copy)]
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pub enum DownsampleType {
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Linear,
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ZeroOrderHold,
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}
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pub enum RomFile {
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Path(String),
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Raw(Vec<u8>),
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}
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#[cfg(feature = "async")]
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pub trait Renderer<Format: From<Colour>>: Send {
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fn prepare(&mut self, width: usize, height: usize);
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fn display(&mut self, buffer: &[Format]);
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fn set_title(&mut self, _title: String) {}
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fn latest_joypad_state(&mut self) -> JoypadState;
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fn set_rumble(&mut self, _rumbling: bool) {}
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}
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#[cfg(not(feature = "async"))]
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pub trait Renderer<Format: From<Colour>> {
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fn prepare(&mut self, width: usize, height: usize);
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fn display(&mut self, buffer: &[Format]);
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fn set_title(&mut self, _title: String) {}
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fn latest_joypad_state(&mut self) -> JoypadState;
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fn set_rumble(&mut self, _rumbling: bool) {}
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}
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pub struct AudioOutput {
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pub sample_rate: f32,
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pub send_rb: AsyncHeapProducer<[f32; 2]>,
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pub wait_for_output: bool,
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pub downsample_type: DownsampleType,
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}
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impl AudioOutput {
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pub fn new(
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sample_rate: f32,
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wait_for_output: bool,
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frames_to_buffer: usize,
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downsample_type: DownsampleType,
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) -> (Self, AsyncHeapConsumer<[f32; 2]>) {
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let rb_len = (sample_rate as usize / 60) * frames_to_buffer;
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let rb = AsyncHeapRb::<[f32; 2]>::new(rb_len);
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let (send_rb, rx) = rb.split();
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(
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Self {
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sample_rate,
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send_rb,
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wait_for_output,
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downsample_type,
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},
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rx,
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)
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}
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}
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