From d4349352a57eb00ce411b4c0542d3207357aecbe Mon Sep 17 00:00:00 2001 From: Aleksa Vuckovic Date: Wed, 3 Aug 2022 21:28:15 +0200 Subject: drawing lines to fb --- include/graphics.h | 32 ++++++++++++++++++++++++++++++++ 1 file changed, 32 insertions(+) create mode 100644 include/graphics.h (limited to 'include/graphics.h') diff --git a/include/graphics.h b/include/graphics.h new file mode 100644 index 0000000..d00e8d8 --- /dev/null +++ b/include/graphics.h @@ -0,0 +1,32 @@ +#ifndef GRAPHICS_H +#define GRAPHICS_H + +#include + +struct fb_t { + uint64_t addr; + uint32_t pitch; + uint32_t width; + uint32_t height; + uint8_t bpp; + uint8_t type; +} __attribute__((packed, aligned(8))); +typedef struct fb_t fb_t; + +extern fb_t fb; + +#define RED 0x00ff0000 +#define GREEN 0x0000ff00 +#define BLUE 0x000000ff +#define YELLOW 0x00ffff00 +#define PURPLE 0x00ff00ff +#define WHITE 0x00ffffff +#define BLACK 0x00000000 + +uint64_t* pixel_offset(fb_t fb, uint32_t x, uint32_t y); +void fb_draw_pixel(fb_t fb, uint32_t x, uint32_t y, uint32_t col); +void fb_draw_line_low(fb_t fb, uint32_t x0, uint32_t y0, uint32_t x1, uint32_t y1, uint32_t col); +void fb_draw_line_high(fb_t fb, int32_t x0, int32_t y0, int32_t x1, int32_t y1, int32_t col); +void fb_draw_line(fb_t fb, int32_t x0, int32_t y0, int32_t x1, int32_t y1, int32_t col); + +#endif -- cgit v1.2.3