Add support for tracking drawable information to core

Actually make the existing ioctls for adding and removing drawables do
something useful, and add another ioctl for the X server to update drawable
information. The only kind of drawable information tracked so far is cliprects.
(cherry picked from 29598e5253ff5c085ccf63580fd24b84db848424 commit)

1 files changed, 24 insertions, 0 deletions

diff --git a/shared-core/drm.h b/shared-core/drm.h
index c2bcf62c..0b241117 100644
--- a/shared-core/drm.h
+++ b/shared-core/drm.h
@@ -165,6 +165,14 @@ typedef struct drm_clip_rect {
 } drm_clip_rect_t;
 
 /**
+ * Drawable information.
+ */
+typedef struct drm_drawable_info {
+	unsigned int num_rects;
+	drm_clip_rect_t *rects;
+} drm_drawable_info_t;
+
+/**
  * Texture region,
  */
 typedef struct drm_tex_region {
@@ -515,6 +523,20 @@ typedef struct drm_draw {
 } drm_draw_t;
 
 /**
+ * DRM_IOCTL_UPDATE_DRAW ioctl argument type.
+ */
+typedef enum {
+	DRM_DRAWABLE_CLIPRECTS,
+} drm_drawable_info_type_t;
+
+typedef struct drm_update_draw {
+	drm_drawable_t handle;
+	unsigned int type;
+	unsigned int num;
+	unsigned long long data;
+} drm_update_draw_t;
+
+/**
  * DRM_IOCTL_GET_MAGIC and DRM_IOCTL_AUTH_MAGIC ioctl argument type.
  */
 typedef struct drm_auth {
@@ -901,6 +923,8 @@ typedef union drm_mm_init_arg{
 #define DRM_IOCTL_MM_INIT               DRM_IOWR(0x3e, drm_mm_init_arg_t)
 #endif
 
+#define DRM_IOCTL_UPDATE_DRAW           DRM_IOW(0x3f, drm_update_draw_t)
+
 /*@}*/
 
 /**