blob: 70a68d9471bc3a958cc9696b41db8012223a39ba (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
|
#include "gfx.h"
#include "memory.h"
struct GfxInfo *gfx_info = (void *) (0x1000-10);
// byteswap
u32 make_color(color col)
{
return ((u32) 0)
| ((u32) col.b << 0)
| ((u32) col.g << 8)
| ((u32) col.r << 16)
| ((u32) col.a << 24);
}
void gfx_set_pixel(u16 x, u16 y, u32 col)
{
u32 *out = (u32 *) (u64) (gfx_info->framebuffer + y * gfx_info->pitch + x * sizeof col);
*out = col;
BARRIER_VAR(out);
}
void gfx_set_area(u16 x, u16 y, u16 w, u16 h, u32 col)
{
void *cbeg = (void *) (u64) (gfx_info->framebuffer + y * gfx_info->pitch + x * sizeof col);
void *cend = cbeg + h * gfx_info->pitch;
for (; cbeg < cend; cbeg += gfx_info->pitch) {
u32 *rbeg = cbeg;
u32 *rend = rbeg + w;
for (; rbeg < rend; rbeg++)
*rbeg = col;
}
BARRIER_VAR(cbeg);
}
void gfx_draw_img(u16 x, u16 y, u16 w, u16 h, u32 *img)
{
void *cbeg = (void *) (u64) (gfx_info->framebuffer + y * gfx_info->pitch + x * sizeof(color));
for (u16 yi = 0; yi < h; cbeg += gfx_info->pitch, yi++)
memcpy(cbeg, img + yi * w, w * sizeof(color));
BARRIER_VAR(cbeg);
}
|
