From 50a64d7e401c083e49e3e44f41923de9aa01488b Mon Sep 17 00:00:00 2001
From: Baptiste Wicht <baptiste.wicht@gmail.com>
Date: Sat, 6 Aug 2016 22:09:24 +0200
Subject: [PATCH] Exposes vesa resolution

---
 kernel/include/vesa.hpp |  3 +++
 kernel/src/vesa.cpp     | 10 ++++++++++
 2 files changed, 13 insertions(+)

diff --git a/kernel/include/vesa.hpp b/kernel/include/vesa.hpp
index 4e6e91d4..23c56b69 100644
--- a/kernel/include/vesa.hpp
+++ b/kernel/include/vesa.hpp
@@ -35,6 +35,9 @@ void draw_char(size_t x, size_t y, char c, uint8_t r, uint8_t g, uint8_t b);
 
 void move_lines_up(size_t y, size_t x, size_t w, size_t lines, size_t n);
 
+uint64_t width();
+uint64_t height();
+
 } //end of vesa namespace
 
 #endif
diff --git a/kernel/src/vesa.cpp b/kernel/src/vesa.cpp
index 49ce444c..f233dcb9 100644
--- a/kernel/src/vesa.cpp
+++ b/kernel/src/vesa.cpp
@@ -92,6 +92,16 @@ bool vesa::init(){
     return true;
 }
 
+uint64_t vesa::width(){
+    auto& block = *reinterpret_cast<vesa::mode_info_block_t*>(early::vesa_mode_info_address);
+    return block.width;
+}
+
+uint64_t vesa::height(){
+    auto& block = *reinterpret_cast<vesa::mode_info_block_t*>(early::vesa_mode_info_address);
+    return block.height;
+}
+
 uint32_t vesa::make_color(uint8_t r, uint8_t g, uint8_t b){
     return (r << red_shift) + (g << green_shift) + (b << blue_shift);
 }