am 77b33cba: am f68c6eed: am c1f197ca: am 6005f9e5: am 15d68941: Merge "[RenderScript] Add docs advising users about dstAtop bug." into mnc-dev

* commit '77b33cba7f7a9214d151a9a4dda4ec545bff0af6':
  [RenderScript] Add docs advising users about dstAtop bug.

1 files changed, 4 insertions, 0 deletions

diff --git a/rs/java/android/renderscript/ScriptIntrinsicBlend.java b/rs/java/android/renderscript/ScriptIntrinsicBlend.java
index dc1bec32f52d..fdcd61b04eca 100644
--- a/rs/java/android/renderscript/ScriptIntrinsicBlend.java
+++ b/rs/java/android/renderscript/ScriptIntrinsicBlend.java
@@ -360,6 +360,8 @@ public class ScriptIntrinsicBlend extends ScriptIntrinsic {
     /**
      * 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 @@ public class ScriptIntrinsicBlend extends ScriptIntrinsic {
     /**
      * 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