commit 6a5857960311b3950aa93f95b61bee0c2e4743e3
author Jeykumar Sankaran <jsanka@codeaurora.org> Thu Oct 03 11:30:55 2013 -0700
committer Gerrit - the friendly Code Review server <code-review@localhost> Fri Oct 04 14:20:15 2013 -0700
tree f8e00e3857a8e2045bb9323cb5f0ef39045d1e64
parent d214b2c8436def5cd11c90acef7a8b98aaf57d41

libhwcomposer: Make Rect utils generic.

Changes rect utility functions more generic.
Adds more sanity checks.

Change-Id: Ie935302592ac8eb5f7cfaffe03ac49da077a290d

libhwcomposer/hwc_utils.h

diff --git a/libhwcomposer/hwc_utils.h b/libhwcomposer/hwc_utils.h
index e616e42..b5d76e9 100644
--- a/libhwcomposer/hwc_utils.h
+++ b/libhwcomposer/hwc_utils.h
@@ -185,12 +185,10 @@
 
 int getExtOrientation(hwc_context_t* ctx);
 
-bool isValidRect(hwc_rect_t& rect);
+bool isValidRect(const hwc_rect_t& rect);
 void deductRect(const hwc_layer_1_t* layer, hwc_rect_t& irect);
-void getIntersection(hwc_rect_t& rect1,
-                        hwc_rect_t& rect2, hwc_rect_t& irect);
-void getUnion(hwc_rect_t& rect1,
-                        hwc_rect_t& rect2, hwc_rect_t& irect);
+hwc_rect_t getIntersection(const hwc_rect_t& rect1, const hwc_rect_t& rect2);
+hwc_rect_t getUnion(const hwc_rect_t& rect1, const hwc_rect_t& rect2);
 void optimizeLayerRects(hwc_context_t *ctx,
                         const hwc_display_contents_1_t *list, const int& dpy);