added the notion of fixed-size buffers
the new native_window_set_buffers_geometry allows
to specify a size and format for all buffers to be
dequeued. the buffer will be scalled to the window's
size.
Change-Id: I2c378b85c88d29cdd827a5f319d5c704d79ba381
diff --git a/include/ui/egl/android_natives.h b/include/ui/egl/android_natives.h
index b44901f..171f3df 100644
--- a/include/ui/egl/android_natives.h
+++ b/include/ui/egl/android_natives.h
@@ -82,6 +82,7 @@
NATIVE_WINDOW_DISCONNECT,
NATIVE_WINDOW_SET_CROP,
NATIVE_WINDOW_SET_BUFFER_COUNT,
+ NATIVE_WINDOW_SET_BUFFERS_GEOMETRY,
};
/* parameter for NATIVE_WINDOW_[DIS]CONNECT */
@@ -192,6 +193,7 @@
* NATIVE_WINDOW_DISCONNECT
* NATIVE_WINDOW_SET_CROP
* NATIVE_WINDOW_SET_BUFFER_COUNT
+ * NATIVE_WINDOW_SET_BUFFERS_GEOMETRY
*
*/
@@ -273,6 +275,25 @@
return window->perform(window, NATIVE_WINDOW_SET_BUFFER_COUNT, bufferCount);
}
+/*
+ * native_window_set_buffers_geometry(..., int w, int h, int format)
+ * All buffers dequeued after this call will have the geometry specified.
+ * In particular, all buffers will have a fixed-size, independent form the
+ * native-window size. They will be appropriately scaled to the window-size
+ * upon composition.
+ *
+ * If all parameters are 0, the normal behavior is restored. That is,
+ * dequeued buffers following this call will be sized to the window's size.
+ *
+ */
+static inline int native_window_set_buffers_geometry(
+ android_native_window_t* window,
+ int w, int h, int format)
+{
+ return window->perform(window, NATIVE_WINDOW_SET_BUFFERS_GEOMETRY,
+ w, h, format);
+}
+
// ---------------------------------------------------------------------------
/* FIXME: this is legacy for pixmaps */