added setCrop() to android_native_window_t
hooked up the new method up to Surface.cpp
the actual crop is not implemented in SF yet
Change-Id: Ic6e313c98fd880f127a051a0ccc71808bd689751
diff --git a/include/ui/egl/android_natives.h b/include/ui/egl/android_natives.h
index 773fd93..471c3c7 100644
--- a/include/ui/egl/android_natives.h
+++ b/include/ui/egl/android_natives.h
@@ -41,6 +41,14 @@
struct android_native_buffer_t;
+typedef struct android_native_rect_t
+{
+ int32_t left;
+ int32_t top;
+ int32_t right;
+ int32_t bottom;
+} android_native_rect_t;
+
// ---------------------------------------------------------------------------
typedef struct android_native_base_t
@@ -63,15 +71,16 @@
/* attributes queriable with query() */
enum {
NATIVE_WINDOW_WIDTH = 0,
- NATIVE_WINDOW_HEIGHT = 1,
- NATIVE_WINDOW_FORMAT = 2,
+ NATIVE_WINDOW_HEIGHT,
+ NATIVE_WINDOW_FORMAT,
};
/* valid operations for the (*perform)() hook */
enum {
NATIVE_WINDOW_SET_USAGE = 0,
- NATIVE_WINDOW_CONNECT = 1,
- NATIVE_WINDOW_DISCONNECT = 2
+ NATIVE_WINDOW_CONNECT,
+ NATIVE_WINDOW_DISCONNECT,
+ NATIVE_WINDOW_SET_CROP,
};
/* parameter for NATIVE_WINDOW_[DIS]CONNECT */
@@ -125,7 +134,7 @@
*
* Returns 0 on success or -errno on error.
*/
- int (*dequeueBuffer)(struct android_native_window_t* window,
+ int (*dequeueBuffer)(struct android_native_window_t* window,
struct android_native_buffer_t** buffer);
/*
@@ -171,6 +180,7 @@
* NATIVE_WINDOW_SET_USAGE
* NATIVE_WINDOW_CONNECT
* NATIVE_WINDOW_DISCONNECT
+ * NATIVE_WINDOW_SET_CROP
*
*/
@@ -221,6 +231,24 @@
return window->perform(window, NATIVE_WINDOW_DISCONNECT, api);
}
+/*
+ * native_window_set_crop(..., crop) sets which region of the next queued
+ * buffers needs to be considered.
+ * A buffer's crop region is scaled to match the surface's size.
+ *
+ * The specified crop region applies to all buffers queued after it is called.
+ *
+ * if 'crop' is NULL, subsequently queued buffers won't be cropped.
+ *
+ * An error is returned if for instance the crop region is invalid,
+ * out of the buffer's bound or if the window is invalid.
+ */
+static inline int native_window_set_crop(
+ android_native_window_t* window,
+ android_native_rect_t const * crop)
+{
+ return window->perform(window, NATIVE_WINDOW_SET_CROP, crop);
+}
// ---------------------------------------------------------------------------