From e1d57f01b2112a6415313c83fc300f94475db382 Mon Sep 17 00:00:00 2001 From: Marcin Chrzanowski Date: Sun, 27 May 2018 14:45:16 +0200 Subject: Implement draw background --- surface.c | 31 +++++++++++++++++++++++++++++++ 1 file changed, 31 insertions(+) (limited to 'surface.c') diff --git a/surface.c b/surface.c index 29530b7..fddc0fe 100644 --- a/surface.c +++ b/surface.c @@ -163,6 +163,35 @@ long draw_spans(struct file *filp, unsigned long arg) return param->spans_num; } +long do_draw_background(struct file *filp, unsigned long arg) +{ + struct doomdev_surf_ioctl_draw_background *param; + struct surface_data *surface_data; + struct flat_data *flat_data; + struct fd flat_fds; + + surface_data = filp->private_data; + + param = (struct doomdev_surf_ioctl_draw_background *) arg; + + flat_fds = fdget(param->flat_fd); + flat_data = flat_fds.file->private_data; + + if (surface_data->doom_data != flat_data->doom_data) { + return -EINVAL; + } + + mutex_lock(&surface_data->doom_data->cmd_mutex); + + draw_background(surface_data, flat_data); + + mutex_unlock(&surface_data->doom_data->cmd_mutex); + + fdput(flat_fds); + + return 0; +} + long surface_ioctl(struct file *filp, unsigned int cmd, unsigned long arg) { switch (cmd) { @@ -176,6 +205,8 @@ long surface_ioctl(struct file *filp, unsigned int cmd, unsigned long arg) return draw_columns(filp, arg); case DOOMDEV_SURF_IOCTL_DRAW_SPANS: return draw_spans(filp, arg); + case DOOMDEV_SURF_IOCTL_DRAW_BACKGROUND: + return do_draw_background(filp, arg); default: return -1; } -- cgit v1.2.3