Check that bound allocations are 1D

We do not support higher order bound allocations. The
stride is not available to the script so they cannot
walk the allocation correctly.

Change-Id: I9447a5d43c3ae1b88fc9522628a17bd5a317ffc6

1 files changed, 7 insertions, 0 deletions

diff --git a/rs/java/android/renderscript/Script.java b/rs/java/android/renderscript/Script.java
index 5ab18f7..a1f2287 100644
--- a/rs/java/android/renderscript/Script.java
+++ b/rs/java/android/renderscript/Script.java
@@ -188,6 +188,13 @@ public class Script extends BaseObj {
     public void bindAllocation(Allocation va, int slot) {
         mRS.validate();
         if (va != null) {
+            if (mRS.getApplicationContext().getApplicationInfo().targetSdkVersion >= 20) {
+                final Type t = va.mType;
+                if (t.hasMipmaps() || t.hasFaces() || (t.getY() != 0) || (t.getZ() != 0)) {
+                    throw new RSIllegalArgumentException(
+                        "API 20+ only allows simple 1D allocations to be used with bind.");
+                }
+            }
             mRS.nScriptBindAllocation(getID(mRS), va.getID(mRS), slot);
         } else {
             mRS.nScriptBindAllocation(getID(mRS), 0, slot);