commit 37e1d0ce1e445a0d647c5d4ab901aa0618c5a6c2
author Miao Wang <miaowang@google.com> Mon Jul 20 15:05:31 2015 -0700
committer Miao Wang <miaowang@google.com> Mon Jul 20 16:44:14 2015 -0700
tree 412b87eece132c7e98a02a1cd1b122f00624fa0d
parent 79a1bde2e0f38507738743e490beb895dae7b03e

[RenderScript] Add docs advising users about dstAtop bug.

Bug: 22047392
Change-Id: I736a697276020687c20dff515aabb1be1776f8c0
(cherry picked from commit ffb1a9bed0788d3547f085bfb9d254004e0db1e3)

rs/java/android/renderscript/ScriptIntrinsicBlend.java

diff --git a/rs/java/android/renderscript/ScriptIntrinsicBlend.java b/rs/java/android/renderscript/ScriptIntrinsicBlend.java
index dc1bec3..fdcd61b 100644
--- a/rs/java/android/renderscript/ScriptIntrinsicBlend.java
+++ b/rs/java/android/renderscript/ScriptIntrinsicBlend.java
@@ -360,6 +360,8 @@
     /**
      * dst = dst.rgb * src.a + (1.0 - dst.a) * src.rgb
      * dst.a = src.a
+     * Note: Before API 23, the alpha channel was not correctly set.
+     *       Please use with caution when targeting older APIs.
      *
      * @param ain The source buffer
      * @param aout The destination buffer
@@ -371,6 +373,8 @@
     /**
      * dst = dst.rgb * src.a + (1.0 - dst.a) * src.rgb
      * dst.a = src.a
+     * Note: Before API 23, the alpha channel was not correctly set.
+     *       Please use with caution when targeting older APIs.
      *
      * @param ain The source buffer
      * @param aout The destination buffer