[PATCH V3 2/7] weston: Add the weston randr support in compositor.h

[Quanxian Wang]

1) Add weston_randr definition and randr_backend intreface.
2) Export functions used in compositor.c so that module wrandr
   could use them. For example, weston_output_transform_scale_init.
3) Support new_mode backend interface in output structure.

Signed-off-by: Quanxian Wang <quanxian.wang at intel.com>
---
 src/compositor.h | 43 +++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 43 insertions(+)

diff --git a/src/compositor.h b/src/compositor.h
index 22a485f..c728ffe 100644
--- a/src/compositor.h
+++ b/src/compositor.h
@@ -172,6 +172,17 @@ enum weston_mode_switch_op {
 	WESTON_MODE_SWITCH_RESTORE_NATIVE
 };
 
+struct wrandr {
+	struct weston_compositor *compositor;
+	struct wl_global *global;
+	struct wl_resource *resource;
+	struct wl_listener destroy_listener;
+	struct {
+		struct wl_list request_list;
+		struct wl_list randr_callback_list;
+	} pending;
+};
+
 struct weston_output {
 	uint32_t id;
 	char *name;
@@ -218,6 +229,33 @@ struct weston_output {
 	void (*destroy)(struct weston_output *output);
 	void (*assign_planes)(struct weston_output *output);
 	int (*switch_mode)(struct weston_output *output, struct weston_mode *mode);
+	struct weston_mode * (*new_timing)(struct weston_output *output,
+					   uint32_t clock,
+					   int hdisplay,
+					   int hsync_start,
+					   int hsync_end,
+					   int htotal,
+					   int vdisplay,
+					   int vsync_start,
+					   int vsync_end,
+					   int vtotal,
+					   int vscan,
+					   uint32_t flags);
+
+	int (*compare_timing)(struct weston_mode *mode,
+			      uint32_t clock,
+			      int hdisplay,
+			      int hsync_start,
+			      int hsync_end,
+			      int htotal,
+			      int vdisplay,
+			      int vsync_start,
+			      int vsync_end,
+			      int vtotal,
+			      int vscan,
+			      uint32_t flags);
+
+	struct weston_mode * (*new_mode)(int width, int height, int refresh);
 
 	/* backlight values are on 0-255 range, where higher is brighter */
 	int32_t backlight_current;
@@ -632,6 +670,7 @@ struct weston_compositor {
 
 	/* Raw keyboard processing (no libxkbcommon initialization or handling) */
 	int use_xkbcommon;
+	struct wrandr *randr;
 };
 
 struct weston_buffer {
@@ -1356,6 +1395,10 @@ weston_surface_set_color(struct weston_surface *surface,
 void
 weston_surface_destroy(struct weston_surface *surface);
 
+void
+weston_output_transform_scale_init(struct weston_output *output,
+				   uint32_t transform, uint32_t scale);
+
 int
 weston_output_switch_mode(struct weston_output *output, struct weston_mode *mode,
 			int32_t scale, enum weston_mode_switch_op op);
-- 
1.8.1.2