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fix compiling err in usr/src/bin/embed_graph.rs

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This commit is contained in:
Yu Chen 2023-01-07 18:53:48 +08:00
parent e0eb517517
commit f2635c2dba
1 changed files with 12 additions and 10 deletions
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22
user/src/bin/embed_graph.rs
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@ -27,11 +27,12 @@ const RECT_SIZE: u32 = 40;
// pub static ref FB: Arc<Display> = Arc::new(Display::new(Size::new(VIRTGPU_XRES as u32, VIRTGPU_YRES as u32), Point::new(INIT_X, INIT_Y)));
// }
#[derive(Clone)]
//#[derive(Clone)]
pub struct Display {
pub size: Size,
pub point: Point,
pub fb: Arc<&'static mut [u8]>,
//pub fb: Arc<&'static mut [u8]>,
pub fb: &'static mut [u8],
}
impl Display {
@ -41,9 +42,9 @@ impl Display {
"Hello world from user mode program! 0x{:X} , len {}",
fb_ptr as usize, VIRTGPU_LEN
);
let fb =
unsafe { Arc::new(core::slice::from_raw_parts_mut(fb_ptr as *mut u8, VIRTGPU_LEN as usize)) };
// let fb =
// unsafe { Arc::new(core::slice::from_raw_parts_mut(fb_ptr as *mut u8, VIRTGPU_LEN as usize)) };
let fb= unsafe { core::slice::from_raw_parts_mut(fb_ptr as *mut u8, VIRTGPU_LEN as usize) };
Self { size, point, fb }
}
// pub fn reset(&self) {
@ -67,18 +68,19 @@ impl DrawTarget for Display {
where
I: IntoIterator<Item = embedded_graphics::Pixel<Self::Color>>,
{
let fb = self.fb.clone();
//let fb = self.fb.clone();
//let fb = self.fb;
//let mut arc_data_mut = Arc::make_mut(fb);
pixels.into_iter().for_each(|px| {
let idx = ((self.point.y + px.0.y) * VIRTGPU_XRES as i32 + self.point.x + px.0.x)
as usize
* 4;
if idx + 2 >= fb.len() {
if idx + 2 >= self.fb.len() {
return;
}
fb[idx] = px.1.b();
fb[idx + 1] = px.1.g();
fb[idx + 2] = px.1.r();
self.fb[idx] = px.1.b();
self.fb[idx + 1] = px.1.g();
self.fb[idx + 2] = px.1.r();
});
framebuffer_flush();
Ok(())