diff options
-rw-r--r-- | harddoomdev.c | 9 | ||||
-rw-r--r-- | harddoomdev.h | 2 | ||||
-rw-r--r-- | surface.c | 31 |
3 files changed, 42 insertions, 0 deletions
diff --git a/harddoomdev.c b/harddoomdev.c index 1a818ea..c4489aa 100644 --- a/harddoomdev.c +++ b/harddoomdev.c @@ -245,6 +245,15 @@ void draw_span(struct surface_data *surface_data, struct flat_data *flat_data, send_command(surface_data->doom_data, HARDDOOM_CMD_DRAW_SPAN); } +void draw_background(struct surface_data *surface_data, + struct flat_data *flat_data) +{ + set_surf_dst_pt(surface_data->doom_data, surface_data->page_table_dev); + set_flat(surface_data->doom_data, flat_data->flat_dev); + + send_command(surface_data->doom_data, HARDDOOM_CMD_DRAW_BACKGROUND); +} + uint32_t doomdev_read_stat(void __iomem *iomem, size_t stat) { return doomdev_read(iomem, HARDDOOM_STATS(stat)); diff --git a/harddoomdev.h b/harddoomdev.h index 9381fd5..4ddd01e 100644 --- a/harddoomdev.h +++ b/harddoomdev.h @@ -23,5 +23,7 @@ void draw_column(struct surface_data *surface_data, struct texture_data *texture_data, struct doomdev_column column); void draw_span(struct surface_data *surface_data, struct flat_data *flat_data, struct doomdev_span span); +void draw_background(struct surface_data *surface_data, + struct flat_data *flat_data); #endif @@ -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; } |