Impelement copy rects

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;
 	}