Moving samplers behind the hal.

Change-Id: I494e5a9d2b599d07b985328b346f1f10ae4972e1
diff --git a/driver/rsdSampler.h b/driver/rsdSampler.h
new file mode 100644
index 0000000..3a64e9e
--- /dev/null
+++ b/driver/rsdSampler.h
@@ -0,0 +1,30 @@
+/*
+ * Copyright (C) 2011 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#ifndef RSD_SAMPLER_H
+#define RSD_SAMPLER_H
+
+#include <rs_hal.h>
+
+
+bool rsdSamplerInit(const android::renderscript::Context *rsc,
+                    const android::renderscript::Sampler *);
+
+void rsdSamplerDestroy(const android::renderscript::Context *rsc,
+                       const android::renderscript::Sampler *);
+
+
+#endif // RSD_SAMPLER_H