71 lines
2.5 KiB
Rust
71 lines
2.5 KiB
Rust
use crate::prelude::*;
|
|
|
|
use sdl2::surface::Surface;
|
|
|
|
/// Provides access to an [sdl2::surface::Surface] representing the core's most recent video frame.
|
|
pub struct Sdl2SurfaceComponent {
|
|
surface: Surface<'static>,
|
|
pixel_format: sdl2::pixels::PixelFormatEnum,
|
|
}
|
|
|
|
impl Sdl2SurfaceComponent {
|
|
pub fn new() -> Result<Self, Box<dyn std::error::Error>> {
|
|
let pixel_format = sdl2::pixels::PixelFormatEnum::ARGB1555;
|
|
|
|
// automatically replaced in video_refresh whenever size doesn't match
|
|
let surface = Surface::new(1, 1, pixel_format)?;
|
|
|
|
Ok(Sdl2SurfaceComponent {
|
|
surface,
|
|
pixel_format,
|
|
})
|
|
}
|
|
|
|
pub fn surface(&self) -> &Surface {
|
|
&self.surface
|
|
}
|
|
}
|
|
|
|
impl RetroComponent for Sdl2SurfaceComponent {}
|
|
impl RetroCallbacks for Sdl2SurfaceComponent {
|
|
fn video_refresh(&mut self, frame: &VideoFrame) {
|
|
match frame {
|
|
VideoFrame::XRGB1555 { width, height, .. }
|
|
| VideoFrame::RGB565 { width, height, .. }
|
|
| VideoFrame::XRGB8888 { width, height, .. } => {
|
|
// dirty, but must be &mut for SDL API.
|
|
// safe as long as we don't offer a &mut Surface in the API.
|
|
let (bytes, pitch) = frame.data_pitch_as_bytes().unwrap();
|
|
let data = unsafe {
|
|
core::slice::from_raw_parts_mut(bytes.as_ptr() as *mut u8, bytes.len())
|
|
};
|
|
if let Ok(surf) = Surface::from_data(data, *width, *height, pitch as u32, self.pixel_format) {
|
|
if self.surface.size() != (*width, *height) {
|
|
if let Ok(new) = Surface::new(*width, *height, self.pixel_format) {
|
|
self.surface = new;
|
|
}
|
|
}
|
|
let _ = surf.blit(None, &mut self.surface, None);
|
|
}
|
|
}
|
|
_ => {}
|
|
}
|
|
}
|
|
|
|
fn set_pixel_format(&mut self, pix_fmt: PixelFormat) -> Option<bool> {
|
|
self.pixel_format = match pix_fmt {
|
|
PixelFormat::ARGB1555 => sdl2::pixels::PixelFormatEnum::RGB555,
|
|
PixelFormat::ARGB8888 => sdl2::pixels::PixelFormatEnum::ARGB8888,
|
|
PixelFormat::RGB565 => sdl2::pixels::PixelFormatEnum::RGB565,
|
|
};
|
|
Some(true)
|
|
}
|
|
|
|
fn get_variable(&mut self, key: &str) -> Option<String> {
|
|
match key {
|
|
"parallel-n64-gfxplugin" => Some("angrylion".to_string()),
|
|
_ => None,
|
|
}
|
|
}
|
|
}
|