Create runtime stubs for compute driver.

Change-Id: I8e0250a642844a2ad3ff6efc38e385445b7da032
diff --git a/libs/rs/rsMatrix2x2.h b/libs/rs/rsMatrix2x2.h
new file mode 100644
index 0000000..4dcb84a
--- /dev/null
+++ b/libs/rs/rsMatrix2x2.h
@@ -0,0 +1,62 @@
+/*
+ * 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 ANDROID_RS_MATRIX_2x2_H
+#define ANDROID_RS_MATRIX_2x2_H
+
+#include "rsType.h"
+
+
+// ---------------------------------------------------------------------------
+namespace android {
+namespace renderscript {
+
+struct Matrix2x2 : public rs_matrix2x2 {
+    inline float get(uint32_t row, uint32_t col) const {
+        return m[row*2 + col];
+    }
+
+    inline void set(uint32_t row, uint32_t col, float v) {
+        m[row*2 + col] = v;
+    }
+
+    void loadIdentity();
+    void load(const float *);
+    void load(const rs_matrix2x2 *);
+
+    void loadMultiply(const rs_matrix2x2 *lhs, const rs_matrix2x2 *rhs);
+
+    void transpose();
+
+    void multiply(const rs_matrix2x2 *rhs) {
+        Matrix2x2 tmp;
+        tmp.loadMultiply(this, rhs);
+        load(&tmp);
+    }
+};
+
+}
+}
+
+
+
+
+#endif
+
+
+
+
+