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fb: supported bpp = 24

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Added new draw_rect24 function to support bpp=24 devices.

Signed-off-by: jianglianfang <jianglianfang@xiaomi.com>
This commit is contained in:
jianglianfang 2024-05-06 14:59:09 +08:00 committed by Xiang Xiao
parent 2305255373
commit 73f26ca084
1 changed files with 30 additions and 2 deletions
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32
examples/fb/fb_main.c
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@ -176,8 +176,9 @@ static int fbdev_get_pinfo(int fd, FAR struct fb_planeinfo_s *pinfo)
* certain color formats are supported.
*/
if (pinfo->bpp != 32 && pinfo->bpp != 16 &&
pinfo->bpp != 8 && pinfo->bpp != 1)
if (pinfo->bpp != 32 && pinfo->bpp != 24 &&
pinfo->bpp != 16 && pinfo->bpp != 8 &&
pinfo->bpp != 1)
{
fprintf(stderr, "ERROR: bpp=%u not supported\n", pinfo->bpp);
return EXIT_FAILURE;
@ -275,6 +276,29 @@ static void draw_rect32(FAR struct fb_state_s *state,
}
}
static void draw_rect24(FAR struct fb_state_s *state,
FAR struct fb_area_s *area, int color)
{
FAR uint8_t *dest;
FAR uint8_t *row;
int x;
int y;
row = (FAR uint8_t *)state->fbmem + state->pinfo.stride * area->y;
for (y = 0; y < area->h; y++)
{
dest = ((FAR uint8_t *)row) + area->x * 3;
for (x = 0; x < area->w; x++)
{
*dest++ = g_rgb24[color] & 0xff;
*dest++ = (g_rgb24[color] >> 8) & 0xff;
*dest++ = (g_rgb24[color] >> 16) & 0xff;
}
row += state->pinfo.stride;
}
}
static void draw_rect16(FAR struct fb_state_s *state,
FAR struct fb_area_s *area, int color)
{
@ -411,6 +435,10 @@ static void draw_rect(FAR struct fb_state_s *state,
draw_rect32(state, area, color);
break;
case 24:
draw_rect24(state, area, color);
break;
case 16:
draw_rect16(state, area, color);
break;