From ee1e04f60ce8c9f9dc5a8dab05c029f2021203d3 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Jo=C3=A3o=20Magalh=C3=A3es?= <joamag@gmail.com>
Date: Thu, 3 Aug 2023 12:19:16 +0100
Subject: [PATCH] feat: new global buffer usage
---
frontends/libretro/src/lib.rs | 18 ++++++++++--------
1 file changed, 10 insertions(+), 8 deletions(-)
diff --git a/frontends/libretro/src/lib.rs b/frontends/libretro/src/lib.rs
index 6a4229d5..5f7d5828 100644
--- a/frontends/libretro/src/lib.rs
+++ b/frontends/libretro/src/lib.rs
@@ -153,6 +153,10 @@ pub extern "C" fn retro_init() {
unsafe {
EMULATOR = Some(GameBoy::new(None));
KEY_STATES = Some(HashMap::new());
+ AUDIO_BUFFER = Some(vec![
+ 0x00;
+ EMULATOR.as_ref().unwrap().apu_i().audio_buffer_max()
+ ]);
}
}
@@ -219,6 +223,7 @@ pub extern "C" fn retro_run() {
let input_poll_cb = unsafe { INPUT_POLL_CALLBACK.as_ref().unwrap() };
let input_state_cb = unsafe { INPUT_STATE_CALLBACK.as_ref().unwrap() };
let key_states = unsafe { KEY_STATES.as_mut().unwrap() };
+ let audio_buffer_ref = unsafe { AUDIO_BUFFER.as_mut().unwrap() };
let channels = emulator.audio_channels();
let mut last_frame = emulator.ppu_frame();
@@ -272,14 +277,11 @@ pub extern "C" fn retro_run() {
.map(|v| *v as i16 * 256)
.collect::<Vec<i16>>();
- unsafe {
- AUDIO_BUFFER = Some(audio_buffer.to_vec());
- let audio_buffer_ref = AUDIO_BUFFER.as_ref().unwrap();
- sample_batch_cb(
- audio_buffer_ref.as_ptr(),
- audio_buffer_ref.len() / channels as usize,
- );
- }
+ audio_buffer_ref[0..audio_buffer.len()].copy_from_slice(&audio_buffer);
+ sample_batch_cb(
+ audio_buffer_ref.as_ptr(),
+ audio_buffer.len() / channels as usize,
+ );
emulator.clear_audio_buffer();
}
--
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