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add back buffer support to agl

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This commit is contained in:
Able 2023-05-08 21:56:10 -05:00
parent 7881ee2881
commit 9239fe7f9e
2 changed files with 17 additions and 1 deletions
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13
libraries/able_graphics_library/src/raw_pixel/arch/x86/mod.rs
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@ -7,6 +7,8 @@ use embedded_graphics::{
pub struct Display {
pub fb: *mut u32,
// Back buffer
pub bb: *mut u32,
pub size: Size,
pub color: Rgb888,
}
@ -15,6 +17,15 @@ impl Display {
pub fn set_color(&mut self, color: Rgb888) {
self.color = color;
}
pub fn swap_buffers(&mut self) {
let size: usize = (self.size.height * self.size.width).try_into().unwrap();
unsafe {
let dst_ptr = self.fb;
let src_ptr = self.bb;
core::ptr::copy_nonoverlapping(src_ptr, dst_ptr, size);
}
}
pub fn line(
&mut self,
@ -53,7 +64,7 @@ impl DrawTarget for Display {
return Err(BlitOutOfBoundsError);
}
self.fb
self.bb
.add(
(pos_y * self.size.width + pos_x)
.try_into()

5
libraries/able_graphics_library/src/raw_pixel/raw_pixel.aidl Normal file
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@ -0,0 +1,5 @@
Type Coordinate = i32;
Type Coordinates = (Coordinate, Coordinate);
Function line Takes(Coordinates, Coordinates) Returns(Nothing);