Kernel: Optimize VTTY cursor rendering

cursor is now only updated once after all consecutive `putchar`s are handled.
2025-04-18 03:55:56 +03:00
parent 6858546ce9
commit 9258c73484
4 changed files with 23 additions and 3 deletions
@@ -41,7 +41,6 @@ namespace Kernel

 		virtual uint32_t height() const = 0;
 		virtual uint32_t width() const = 0;
-		void putchar(uint8_t ch);

 		virtual dev_t rdev() const final override { return m_rdev; }

@@ -60,10 +59,13 @@ namespace Kernel
 		TTY(mode_t mode, uid_t uid, gid_t gid);

 		virtual void putchar_impl(uint8_t ch) = 0;
+		virtual void update_cursor() {}
+
 		virtual BAN::ErrorOr<size_t> read_impl(off_t, BAN::ByteSpan) override;
 		virtual BAN::ErrorOr<size_t> write_impl(off_t, BAN::ConstByteSpan) override;

 	private:
+		void putchar(uint8_t ch);
 		void do_backspace();

 	protected: