So far we only supported blitting the whole screen from the shadow fb to the framebuffer. Add a function to blit areas.
Signed-off-by: Sascha Hauer <[email protected]> --- commands/splash.c | 2 +- include/gui/graphic_utils.h | 2 ++ lib/gui/graphic_utils.c | 19 +++++++++++++++++++ 3 files changed, 22 insertions(+), 1 deletion(-) diff --git a/commands/splash.c b/commands/splash.c index dd4cfbe..15b296b 100644 --- a/commands/splash.c +++ b/commands/splash.c @@ -50,7 +50,7 @@ static int do_splash(int argc, char *argv[]) } image_file = argv[optind]; - sc = fb_open(fbdev, offscreen); + sc = fb_open(fbdev); if (IS_ERR(sc)) { perror("fd_open"); return PTR_ERR(sc); diff --git a/include/gui/graphic_utils.h b/include/gui/graphic_utils.h index ff4d9a0..231b3a9 100644 --- a/include/gui/graphic_utils.h +++ b/include/gui/graphic_utils.h @@ -25,5 +25,7 @@ void fb_close(struct screen *sc); void gu_screen_blit(struct screen *sc); void gu_invert_area(struct fb_info *info, void *buf, int startx, int starty, int width, int height); +void gu_screen_blit_area(struct screen *sc, int startx, int starty, int width, + int height); #endif /* __GRAPHIC_UTILS_H__ */ diff --git a/lib/gui/graphic_utils.c b/lib/gui/graphic_utils.c index b57b4a1..4c1885d 100644 --- a/lib/gui/graphic_utils.c +++ b/lib/gui/graphic_utils.c @@ -306,6 +306,25 @@ void fb_close(struct screen *sc) free(sc); } +void gu_screen_blit_area(struct screen *sc, int startx, int starty, int width, + int height) +{ + struct fb_info *info = sc->info; + int bpp = info->bits_per_pixel >> 3; + + if (info->screen_base_shadow) { + int y; + void *fb = info->screen_base + starty * sc->info->line_length + startx * bpp; + void *fboff = info->screen_base_shadow + starty * sc->info->line_length + startx * bpp; + + for (y = starty; y < starty + height; y++) { + memcpy(fb, fboff, width * bpp); + fb += sc->info->line_length; + fboff += sc->info->line_length; + } + } +} + void gu_screen_blit(struct screen *sc) { struct fb_info *info = sc->info; -- 2.4.6 _______________________________________________ barebox mailing list [email protected] http://lists.infradead.org/mailman/listinfo/barebox
