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Diffstat (limited to 'surface.c')
-rw-r--r--surface.c38
1 files changed, 37 insertions, 1 deletions
diff --git a/surface.c b/surface.c
index d37a468..ef701ea 100644
--- a/surface.c
+++ b/surface.c
@@ -17,7 +17,7 @@ long draw_lines(struct file *filp, unsigned long arg)
struct doomdev_surf_ioctl_draw_lines *param;
struct doomdev_line *lines;
int i;
-
+
surface_data = filp->private_data;
param = (struct doomdev_surf_ioctl_draw_lines *) arg;
lines = (struct doomdev_line *) param->lines_ptr;
@@ -55,6 +55,40 @@ long fill_rects(struct file *filp, unsigned long arg)
return param->rects_num;
}
+long copy_rects(struct file *filp, unsigned long arg)
+{
+ struct surface_data *dst_data;
+ struct surface_data *src_data;
+ struct doomdev_surf_ioctl_copy_rects *param;
+ struct doomdev_copy_rect *rects;
+ struct fd src_fds;
+ int i;
+
+ p("in copy rects\n");
+
+ dst_data = filp->private_data;
+ param = (struct doomdev_surf_ioctl_copy_rects *) arg;
+ rects = (struct doomdev_copy_rect *) param->rects_ptr;
+
+ src_fds = fdget(param->surf_src_fd);
+ src_data = src_fds.file->private_data;
+
+ if (dst_data->doom_data != src_data->doom_data) {
+ p("copying between devices");
+ return -EINVAL;
+ }
+
+ mutex_lock(&dst_data->doom_data->cmd_mutex);
+
+ for (i = 0; i < param->rects_num; i++) {
+ copy_rect(dst_data, src_data, rects[i]);
+ }
+
+ mutex_unlock(&dst_data->doom_data->cmd_mutex);
+
+ return param->rects_num;
+}
+
long surface_ioctl(struct file *filp, unsigned int cmd, unsigned long arg)
{
switch (cmd) {
@@ -62,6 +96,8 @@ long surface_ioctl(struct file *filp, unsigned int cmd, unsigned long arg)
return draw_lines(filp, arg);
case DOOMDEV_SURF_IOCTL_FILL_RECTS:
return fill_rects(filp, arg);
+ case DOOMDEV_SURF_IOCTL_COPY_RECTS:
+ return copy_rects(filp, arg);
default:
return -1;
}