forked from AbleOS/ableos
25 lines
985 B
Rust
25 lines
985 B
Rust
// TODO: Reorganize and make part of this into a limine agnostic API for general purpose graphics
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use crate::kmain::FRAMEBUFFER;
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pub fn clear_screen() {
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{
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// TODO: setup a proper framebuffer handler
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let fb_response = FRAMEBUFFER.get_response().get().unwrap();
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for fb in fb_response.framebuffers().unwrap() {
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trace!("Framebuffer {}x{}", fb.width, fb.height);
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trace!("{}", fb.memory_model);
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trace!("{}", fb.bpp);
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let mut count = 0;
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let total = fb.width * fb.height * 3;
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while count != total {
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unsafe {
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let fb_ptr = fb.address.as_mut_ptr().unwrap();
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*fb_ptr.offset((count).try_into().unwrap()) = 0x00;
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*fb_ptr.offset((count + 1).try_into().unwrap()) = 0x00;
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*fb_ptr.offset((count + 2).try_into().unwrap()) = 0x00;
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}
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count += 3;
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}
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}
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}
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}
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