diff options
Diffstat (limited to 'kernel/src/misc/graphics.c')
| -rw-r--r-- | kernel/src/misc/graphics.c | 16 |
1 files changed, 8 insertions, 8 deletions
diff --git a/kernel/src/misc/graphics.c b/kernel/src/misc/graphics.c index c899978..9c8dc9a 100644 --- a/kernel/src/misc/graphics.c +++ b/kernel/src/misc/graphics.c @@ -6,14 +6,14 @@ #include <libk/string.h> #include <libk/math.h> -fb_t main_fb; +volatile fb_t main_fb; -uint32_t* pixel_offset(fb_t fb, uint32_t x, uint32_t y) +uint32_t* pixel_offset(volatile fb_t fb, uint32_t x, uint32_t y) { return (uint32_t*)((char*)fb.addr + y * fb.pitch + x * fb.bpp / 8); } -void fb_draw_pixel(fb_t fb, int32_t x, int32_t y, uint32_t col) +void fb_draw_pixel(volatile fb_t fb, int32_t x, int32_t y, uint32_t col) { if (x < 0 || y < 0) return; if (x >= (int32_t)fb.width || y >= (int32_t)fb.height) return; @@ -24,7 +24,7 @@ void fb_draw_pixel(fb_t fb, int32_t x, int32_t y, uint32_t col) /* https://en.wikipedia.org/wiki/Bresenham%27s_line_algorithm */ -void fb_draw_line_low(fb_t fb, int32_t x0, int32_t y0, int32_t x1, int32_t y1, uint32_t col) +void fb_draw_line_low(volatile fb_t fb, int32_t x0, int32_t y0, int32_t x1, int32_t y1, uint32_t col) { int32_t dx = x1 - x0; int32_t dy = y1 - y0; @@ -48,7 +48,7 @@ void fb_draw_line_low(fb_t fb, int32_t x0, int32_t y0, int32_t x1, int32_t y1, u } -void fb_draw_line_high(fb_t fb, int32_t x0, int32_t y0, int32_t x1, int32_t y1, uint32_t col) +void fb_draw_line_high(volatile fb_t fb, int32_t x0, int32_t y0, int32_t x1, int32_t y1, uint32_t col) { int32_t dx = x1 - x0; int32_t dy = y1 - y0; @@ -71,7 +71,7 @@ void fb_draw_line_high(fb_t fb, int32_t x0, int32_t y0, int32_t x1, int32_t y1, } } -void fb_draw_line(fb_t fb, int32_t x0, int32_t y0, int32_t x1, int32_t y1, uint32_t col) +void fb_draw_line(volatile fb_t fb, int32_t x0, int32_t y0, int32_t x1, int32_t y1, uint32_t col) { if (abs(y1 - y0) < abs(x1 - x0)) { if (x0 > x1) @@ -86,7 +86,7 @@ void fb_draw_line(fb_t fb, int32_t x0, int32_t y0, int32_t x1, int32_t y1, uint3 } } -void fb_draw_character(fb_t fb, char c, int32_t x, int32_t y, uint32_t char_col, uint32_t bg_col) +void fb_draw_character(volatile fb_t fb, char c, int32_t x, int32_t y, uint32_t char_col, uint32_t bg_col) { if (c < 0) return; @@ -104,7 +104,7 @@ void fb_draw_character(fb_t fb, char c, int32_t x, int32_t y, uint32_t char_col, } } -void fb_draw_string(fb_t fb, const char* s, int32_t x, int32_t y, uint32_t char_col, uint32_t bg_col) +void fb_draw_string(volatile fb_t fb, const char* s, int32_t x, int32_t y, uint32_t char_col, uint32_t bg_col) { for (size_t i = 0; i < strlen(s); i++) { fb_draw_character(fb, s[i], (x + (int32_t)i * 8), y, char_col, bg_col); |