diff options
Diffstat (limited to 'src/drivers/vesa.c')
| -rw-r--r-- | src/drivers/vesa.c | 25 |
1 files changed, 19 insertions, 6 deletions
diff --git a/src/drivers/vesa.c b/src/drivers/vesa.c index 54e7e34..6bafd9e 100644 --- a/src/drivers/vesa.c +++ b/src/drivers/vesa.c @@ -1,12 +1,8 @@ #include <def.h> #include <vesa.h> -void vesa_draw_rectangle(int x1, int y1, int x2, int y2, const u8 color[3]) +void vesa_draw_rectangle(int x1, int y1, int x2, int y2, const u32 color[3]) { - int vbe_bpl = vbe->bpp >> 3; - int vbe_pitch = vbe->pitch; - u8 *fb = (u8 *)vbe->framebuffer; - int pos1 = x1 * vbe_bpl + y1 * vbe_pitch; u8 *draw = &fb[pos1]; for (int i = 0; i <= y2 - y1; i++) { @@ -19,7 +15,24 @@ void vesa_draw_rectangle(int x1, int y1, int x2, int y2, const u8 color[3]) } } -void vesa_fill(const u8 color[3]) +void vesa_set_pixel(u16 x, u16 y, const u32 color[3]) +{ + u8 pos = x * vbe_bpl + y * vbe_pitch; + u8 *draw = &fb[pos]; + draw[pos] = (char)color[2]; + draw[pos + 1] = (char)color[1]; + draw[pos + 2] = (char)color[0]; +} + +void vesa_fill(const u32 color[3]) { vesa_draw_rectangle(0, 0, vbe->width - 1, vbe->height - 1, color); } + +void vesa_init(struct vbe *info) +{ + vbe = info; + vbe_bpl = vbe->bpp >> 3; + vbe_pitch = vbe->pitch; + fb = (u8 *)vbe->framebuffer; +} |