71 lines
2.5 KiB
Rust
71 lines
2.5 KiB
Rust
use {limine::NonNullPtr, virtio_drivers::transport::Transport};
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use {
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crate::{arch::virtio::AbleosHal, kmain::DEVICE_TREE},
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able_graphics_library::raw_pixel::Display,
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embedded_graphics::{pixelcolor::Rgb888, prelude::*},
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limine::{Framebuffer, FramebufferRequest},
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spin::{Lazy, Mutex},
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virtio_drivers::device::gpu::VirtIOGpu,
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};
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pub static DISPLAY: Lazy<Mutex<Display>> = Lazy::new(|| {
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static FB_REQ: FramebufferRequest = FramebufferRequest::new(0);
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let fb1: &NonNullPtr<Framebuffer> = &FB_REQ.get_response().get().unwrap().framebuffers()[0];
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{
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use crate::alloc::string::ToString;
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let mut dt = DEVICE_TREE.lock();
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let mut disp = xml::XMLElement::new("display_0");
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disp.set_attribute("width", fb1.width);
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disp.set_attribute("height", fb1.height);
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disp.set_attribute("bits per pixel", fb1.bpp);
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dt.devices.insert("Displays".to_string(), alloc::vec![disp]);
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}
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let size: usize = (fb1.width * fb1.height).try_into().unwrap();
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let back_buffer: alloc::vec::Vec<u32> = alloc::vec![0; 800*600];
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let m = Mutex::new(Display {
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fb: fb1.address.as_ptr().unwrap().cast(),
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// bb: fb1.address.as_ptr().unwrap().cast(),
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bb: back_buffer.as_slice().as_ptr() as *mut u32,
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size: Size::new(fb1.width as u32, fb1.height as u32),
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color: Rgb888::WHITE,
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});
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log::info!("Graphics initialised");
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m
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});
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pub fn init() {
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Lazy::force(&DISPLAY);
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}
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// pub fn virtio_gpu<T: Transport>(transport: T) {
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// let mut gpu = VirtIOGpu::<AbleosHal, T>::new(transport).expect("failed to create gpu driver");
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// let (width, height) = gpu.resolution().expect("failed to get resolution");
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// let width = width as usize;
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// let height = height as usize;
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// log::info!("GPU resolution is {}x{}", width, height);
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// let fb = gpu.setup_framebuffer().expect("failed to get fb");
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// for y in 0..height {
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// for x in 0..width {
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// let idx = (y * width + x) * 4;
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// fb[idx] = x as u8;
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// fb[idx + 1] = y as u8;
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// fb[idx + 2] = (x + y) as u8;
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// }
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// }
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// gpu.flush().expect("failed to flush");
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// //delay some time
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// log::info!("virtio-gpu show graphics....");
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// for _ in 0..100000 {
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// for _ in 0..100000 {
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// unsafe {
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// core::arch::asm!("nop");
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// }
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// }
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// }
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// log::info!("virtio-gpu test finished");
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// }
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