commit 09932eceb2fcec029edc6aaa0e2bca0591613281
author Jesse Hall <jessehall@google.com> Mon Mar 13 11:36:05 2017 -0700
committer Jesse Hall <jessehall@google.com> Tue Mar 14 12:26:37 2017 -0700
tree 3981099d24c2bf9dbb58ad63d287d07d8fea5e8e
parent 444ad1ee82a549c96bf9e5087b9041d6264c93ec

Add ANativeWindow_setBuffersTransform

Bug: 32634406
Test: build
Change-Id: I16080008187bd334e64917274fc86afe12dde8e7

libs/nativewindow/ANativeWindow.cpp

diff --git a/libs/nativewindow/ANativeWindow.cpp b/libs/nativewindow/ANativeWindow.cpp
index 34c136a..a85d16e 100644
--- a/libs/nativewindow/ANativeWindow.cpp
+++ b/libs/nativewindow/ANativeWindow.cpp
@@ -69,3 +69,20 @@
 int32_t ANativeWindow_unlockAndPost(ANativeWindow* window) {
     return window->perform(window, NATIVE_WINDOW_UNLOCK_AND_POST);
 }
+
+int32_t ANativeWindow_setBuffersTransform(ANativeWindow* window, int32_t transform) {
+    static_assert(ANATIVEWINDOW_TRANSFORM_MIRROR_HORIZONTAL == NATIVE_WINDOW_TRANSFORM_FLIP_H);
+    static_assert(ANATIVEWINDOW_TRANSFORM_MIRROR_VERTICAL == NATIVE_WINDOW_TRANSFORM_FLIP_V);
+    static_assert(ANATIVEWINDOW_TRANSFORM_ROTATE_90 == NATIVE_WINDOW_TRANSFORM_ROT_90);
+
+    constexpr int32_t kAllTransformBits =
+            ANATIVEWINDOW_TRANSFORM_MIRROR_HORIZONTAL |
+            ANATIVEWINDOW_TRANSFORM_MIRROR_VERTICAL |
+            ANATIVEWINDOW_TRANSFORM_ROTATE_90;
+    if (!window || !getWindowProp(window, NATIVE_WINDOW_IS_VALID))
+        return -EINVAL;
+    if ((transform & ~kAllTransformBits) != 0)
+        return -EINVAL;
+
+    return native_window_set_buffers_transform(window, transform);
+}