diff options
Diffstat (limited to 'fb.c')
| -rw-r--r-- | fb.c | 14 |
1 files changed, 14 insertions, 0 deletions
@@ -31,6 +31,17 @@ framebufctl_memdraw(Framebufctl *ctl, Memimage *dst) } static void +framebufctl_drawnormals(Framebufctl *ctl, Image *dst) +{ + Framebuf *fb; + + qlock(ctl); + fb = ctl->getfb(ctl); + loadimage(dst, rectaddpt(fb->r, dst->r.min), (uchar*)fb->nb, Dx(fb->r)*Dy(fb->r)*4); + qunlock(ctl); +} + +static void framebufctl_swap(Framebufctl *ctl) { qlock(ctl); @@ -45,6 +56,7 @@ framebufctl_reset(Framebufctl *ctl) /* address the back buffer—resetting the front buffer is VERBOTEN */ fb = ctl->getbb(ctl); + memset(fb->nb, 0, Dx(fb->r)*Dy(fb->r)*4); memsetd(fb->zb, Inf(-1), Dx(fb->r)*Dy(fb->r)); memset(fb->cb, 0, Dx(fb->r)*Dy(fb->r)*4); } @@ -71,6 +83,7 @@ mkfb(Rectangle r) fb->cb = emalloc(Dx(r)*Dy(r)*4); fb->zb = emalloc(Dx(r)*Dy(r)*sizeof(*fb->zb)); memsetd(fb->zb, Inf(-1), Dx(r)*Dy(r)); + fb->nb = emalloc(Dx(r)*Dy(r)*4); fb->r = r; return fb; } @@ -94,6 +107,7 @@ mkfbctl(Rectangle r) fc->fb[1] = mkfb(r); fc->draw = framebufctl_draw; fc->memdraw = framebufctl_memdraw; + fc->drawnormals = framebufctl_drawnormals; fc->swap = framebufctl_swap; fc->reset = framebufctl_reset; fc->getfb = framebufctl_getfb; |