From 78a52f71022854bd35bcc0702e5d560729cccb29 Mon Sep 17 00:00:00 2001
From: Able <abl3theabove@gmail.com>
Date: Fri, 2 Dec 2022 08:51:21 -0600
Subject: [PATCH] Consolidating limine graphics

---
 ableos/src/graphics_limine.rs | 24 ++++++++++++++++++++++++
 ableos/src/kmain.rs           |  4 +++-
 ableos/src/lib.rs             |  1 +
 base/home/able/kernel.md      |  4 ----
 4 files changed, 28 insertions(+), 5 deletions(-)
 create mode 100644 ableos/src/graphics_limine.rs
 delete mode 100644 base/home/able/kernel.md

diff --git a/ableos/src/graphics_limine.rs b/ableos/src/graphics_limine.rs
new file mode 100644
index 0000000..c375276
--- /dev/null
+++ b/ableos/src/graphics_limine.rs
@@ -0,0 +1,24 @@
+// TODO: Reorganize and make part of this into a limine agnostic API for general purpose graphics
+use crate::kmain::FRAMEBUFFER;
+pub fn clear_screen() {
+    {
+        // TODO: setup a proper framebuffer handler
+        let fb_response = FRAMEBUFFER.get_response().get().unwrap();
+        for fb in fb_response.framebuffers().unwrap() {
+            trace!("Framebuffer {}x{}", fb.width, fb.height);
+            trace!("{}", fb.memory_model);
+            trace!("{}", fb.bpp);
+            let mut count = 0;
+            let total = fb.width * fb.height * 3;
+            while count != total {
+                unsafe {
+                    let fb_ptr = fb.address.as_mut_ptr().unwrap();
+                    *fb_ptr.offset((count).try_into().unwrap()) = 0x00;
+                    *fb_ptr.offset((count + 1).try_into().unwrap()) = 0x00;
+                    *fb_ptr.offset((count + 2).try_into().unwrap()) = 0x00;
+                }
+                count += 3;
+            }
+        }
+    }
+}
diff --git a/ableos/src/kmain.rs b/ableos/src/kmain.rs
index bc7cd6a..d09f916 100644
--- a/ableos/src/kmain.rs
+++ b/ableos/src/kmain.rs
@@ -14,7 +14,7 @@ use crate::devices::pci;
 use crate::relib::network::socket::{SimpleSock, Socket};
 use crate::{boot_conf::KernelConfig, scratchpad, systeminfo::RELEASE_TYPE};
 // use crate::{boot_conf::KernelConfig, scratchpad, systeminfo::RELEASE_TYPE, TERM};
-use crate::{filesystem, hardware};
+use crate::{filesystem, graphics_limine, hardware};
 use kernel::KERNEL_VERSION;
 use limine::LimineSmpInfo;
 use limine::{LimineFramebufferRequest, LimineSmpRequest};
@@ -131,6 +131,8 @@ pub fn kernel_main(
     //     }
     // }
 
+    graphics_limine::clear_screen();
+
     scratchpad();
     sloop()
 }
diff --git a/ableos/src/lib.rs b/ableos/src/lib.rs
index 201ece8..2c200a4 100644
--- a/ableos/src/lib.rs
+++ b/ableos/src/lib.rs
@@ -81,6 +81,7 @@ pub mod wasm_jumploader;
 pub mod allocator;
 
 // pub use allocator as aalloc;
+pub mod graphics_limine;
 pub mod handle;
 pub mod hardware;
 pub mod ipc;
diff --git a/base/home/able/kernel.md b/base/home/able/kernel.md
deleted file mode 100644
index b4b1e54..0000000
--- a/base/home/able/kernel.md
+++ /dev/null
@@ -1,4 +0,0 @@
-Hi there :>$RED$
-hi
-$GREEN$
-hi 3