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Kernel: Clean code in tty and vesa

This commit is contained in:
Bananymous 2022-12-27 17:22:45 +02:00
parent 2535eb1c4c
commit 5ae1fc58e9
4 changed files with 33 additions and 35 deletions
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4
kernel/arch/i386/TTY.cpp
View File

@ -250,7 +250,7 @@ void TTY::PutCharAt(uint16_t ch, size_t x, size_t y)
cell.character = ch; cell.character = ch;
cell.foreground = m_foreground; cell.foreground = m_foreground;
cell.background = m_background; cell.background = m_background;
VESA::PutEntryAt(ch, x, y, m_foreground, m_background); VESA::PutCharAt(ch, x, y, m_foreground, m_background);
} }
void TTY::PutChar(char ch) void TTY::PutChar(char ch)
@ -356,7 +356,7 @@ void TTY::PutCharCurrent(char ch)
y++; y++;
break; break;
default: default:
VESA::PutEntryAt(ch, x, y, VESA::Color::BRIGHT_WHITE, VESA::Color::BLACK); VESA::PutCharAt(ch, x, y, VESA::Color::BRIGHT_WHITE, VESA::Color::BLACK);
break; break;
} }

60
kernel/arch/i386/VESA.cpp
View File

@ -26,48 +26,38 @@ namespace VESA
static uint32_t s_height = 0; static uint32_t s_height = 0;
static uint8_t s_mode = 0; static uint8_t s_mode = 0;
static uint32_t s_terminal_width = 0;
static uint32_t s_terminal_height = 0;
static void (*PutCharAtImpl)(uint16_t, uint32_t, uint32_t, Color, Color) = nullptr;
static void (*ClearImpl)(Color) = nullptr;
static void GraphicsPutCharAt(uint16_t ch, uint32_t x, uint32_t y, Color fg, Color bg); static void GraphicsPutCharAt(uint16_t ch, uint32_t x, uint32_t y, Color fg, Color bg);
static void GraphicsClear(Color color); static void GraphicsClear(Color color);
static void TextPutCharAt(uint16_t ch, uint32_t x, uint32_t y, Color fg, Color bg); static void TextPutCharAt(uint16_t ch, uint32_t x, uint32_t y, Color fg, Color bg);
static void TextClear(Color color); static void TextClear(Color color);
void PutEntryAt(uint16_t ch, uint32_t x, uint32_t y, Color fg, Color bg) void PutCharAt(uint16_t ch, uint32_t x, uint32_t y, Color fg, Color bg)
{ {
if (x >= s_width) if (x >= s_width || y >= s_height)
return; return;
if (y >= s_height) PutCharAtImpl(ch, x, y, fg, bg);
return;
if (s_mode == MULTIBOOT_FRAMEBUFFER_TYPE_GRAPHICS)
return GraphicsPutCharAt(ch, x, y, fg, bg);
if (s_mode == MULTIBOOT_FRAMEBUFFER_TYPE_TEXT)
return TextPutCharAt(ch, x, y, fg, bg);
} }
void Clear(Color color) void Clear(Color color)
{ {
if (s_mode == MULTIBOOT_FRAMEBUFFER_TYPE_GRAPHICS) ClearImpl(color);
return GraphicsClear(color);
if (s_mode == MULTIBOOT_FRAMEBUFFER_TYPE_TEXT)
return TextClear(color);
} }
uint32_t GetTerminalWidth() uint32_t GetTerminalWidth()
{ {
if (s_mode == MULTIBOOT_FRAMEBUFFER_TYPE_GRAPHICS) return s_terminal_width;
return s_width / font.Width;
if (s_mode == MULTIBOOT_FRAMEBUFFER_TYPE_TEXT)
return s_width;
return 0;
} }
uint32_t GetTerminalHeight() uint32_t GetTerminalHeight()
{ {
if (s_mode == MULTIBOOT_FRAMEBUFFER_TYPE_GRAPHICS) return s_terminal_height;
return s_height / font.Height;
if (s_mode == MULTIBOOT_FRAMEBUFFER_TYPE_TEXT)
return s_height;
return 0;
} }
bool Initialize() bool Initialize()
@ -91,18 +81,26 @@ namespace VESA
return false; return false;
} }
GraphicsClear(Color::BLACK); PutCharAtImpl = GraphicsPutCharAt;
return true; ClearImpl = GraphicsClear;
s_terminal_width = s_width / font.Width;
s_terminal_height = s_height / font.Height;
} }
else if (s_mode == MULTIBOOT_FRAMEBUFFER_TYPE_TEXT)
if (s_mode == MULTIBOOT_FRAMEBUFFER_TYPE_TEXT)
{ {
TextClear(Color::BLACK); PutCharAtImpl = TextPutCharAt;
return true; ClearImpl = TextClear;
s_terminal_width = s_width;
s_terminal_height = s_height;
} }
else
dprintln("Unsupported type for VESA framebuffer"); {
return false; dprintln("Unsupported type for VESA framebuffer");
return false;
}
ClearImpl(Color::BLACK);
return true;
} }
static uint32_t s_graphics_colors[] static uint32_t s_graphics_colors[]

2
kernel/include/kernel/TTY.h
View File

@ -23,7 +23,7 @@ private:
inline void RenderFromBuffer(size_t x, size_t y) inline void RenderFromBuffer(size_t x, size_t y)
{ {
const auto& cell = m_buffer[y * m_width + x]; const auto& cell = m_buffer[y * m_width + x];
VESA::PutEntryAt(cell.character, x, y, cell.foreground, cell.background); VESA::PutCharAt(cell.character, x, y, cell.foreground, cell.background);
} }
private: private:

2
kernel/include/kernel/VESA.h
View File

@ -26,7 +26,7 @@ namespace VESA
}; };
bool Initialize(); bool Initialize();
void PutEntryAt(uint16_t, uint32_t, uint32_t, Color, Color); void PutCharAt(uint16_t, uint32_t, uint32_t, Color, Color);
void Clear(Color); void Clear(Color);
uint32_t GetTerminalWidth(); uint32_t GetTerminalWidth();