From 19508c979e0935b89a33668cefa0f60ba31da39b Mon Sep 17 00:00:00 2001
From: Able <abl3theabove@gmail.com>
Date: Sat, 12 Feb 2022 23:17:17 -0600
Subject: [PATCH] main graphics loop

---
 ableos/Cargo.toml          |  4 ++--
 ableos/src/graphics/mod.rs |  7 ++++---
 ableos/src/kmain.rs        | 20 ++++++++++++++++++++
 3 files changed, 26 insertions(+), 5 deletions(-)

diff --git a/ableos/Cargo.toml b/ableos/Cargo.toml
index 8decda16..9397f58a 100644
--- a/ableos/Cargo.toml
+++ b/ableos/Cargo.toml
@@ -34,8 +34,8 @@ run-args = [
     "-drive",
     "file=disk.qcow2,if=none,id=drive0",
     
-# "-qmp",
-#  "unix:../qmp-sock,server,nowait"
+"-qmp",
+ "unix:../qmp-sock,server,nowait"
 
 
 ]
diff --git a/ableos/src/graphics/mod.rs b/ableos/src/graphics/mod.rs
index 59fd69db..3be4afcb 100644
--- a/ableos/src/graphics/mod.rs
+++ b/ableos/src/graphics/mod.rs
@@ -3,7 +3,7 @@ use ab_glyph::{Font, FontRef, Glyph};
 use alloc::{boxed::Box, vec, vec::Vec};
 use shadeable::{evaluate_shader, pixel_format::Rgba64};
 use spin;
-use vga::writers::GraphicsWriter;
+use vga::{colors::Color16, writers::GraphicsWriter};
 
 #[derive(Debug)]
 pub struct ScreenSize {
@@ -127,7 +127,7 @@ impl ScreenBuffer {
     // TODO force clear
     pub fn force_redraw(&mut self) {
         use shadeable::pixel_format::into_vga_16;
-        VGAE.lock().clear_screen(into_vga_16(self.clear_color));
+        VGAE.lock().clear_screen(vga::colors::Color16::Black);
     }
 
     /// Draw a glyph on the screen at the given position
@@ -211,8 +211,9 @@ impl VgaBuffer for ScreenBuffer {
             for x in 0..self.size.x {
                 use shadeable::pixel_format::into_vga_16;
                 let vga_color = into_vga_16(self.buff[y * self.size.x + x]);
+                // let vga_color = vga::colors::Color16::Cyan;
 
-                if into_vga_16(self.clear_color) != vga_color {
+                if Color16::Cyan != vga_color {
                     mode.set_pixel(x, y, vga_color);
                 }
             }
diff --git a/ableos/src/kmain.rs b/ableos/src/kmain.rs
index b56f07a5..0cec6e79 100644
--- a/ableos/src/kmain.rs
+++ b/ableos/src/kmain.rs
@@ -1,6 +1,7 @@
 #![allow(clippy::empty_loop)]
 
 use acpi::AcpiTables;
+use x86_64::instructions::interrupts::{disable, enable};
 
 use crate::scratchpad;
 
@@ -86,6 +87,25 @@ pub fn kernel_main() -> ! {
 
     start_facepalm();
     scratchpad();
+
+    loop {
+        disable();
+        let mut mode = SCREEN_BUFFER.lock();
+        mode.force_redraw();
+
+        mode.copy_to_buffer();
+        mode.clear();
+
+        mode.draw_char(0, 0, 'v', 0xff00ffff);
+
+        mode.copy_to_buffer();
+        drop(mode);
+        enable()
+        // sloop::halt();
+    }
+
+    // }
+
     sloop()
 }